/* ============================================
   BiNetwork Landing — Premium Dark Theme
   Palantir / Apple inspired
   ============================================ */

:root {
  /* Core palette */
  --bg-deep: #050508;
  --bg-main: #0a0a0e;
  --bg-elevated: #0f0f14;
  --bg-card: #12121a;
  --bg-card-hover: #16161f;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-mid: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text-primary: #f4f4f6;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-inverse: #050508;

  /* Accent — cold blue/cyan, premium */
  --accent: #3b82f6;
  --accent-dim: rgba(59, 130, 246, 0.15);
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-soft: #60a5fa;

  /* Typography — единая семья, заголовки через вес, без пафоса */
  --font-head: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Spacing & layout */
  --space-section: clamp(6rem, 14vw, 12rem);
  --container: min(1280px, 100vw - 3rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.35s;
  --duration-slow: 0.6s;

  /* Hero spotlight */
  --spot-x: 50%;
  --spot-y: 20%;
  /* Scroll-linked blue wash (JS sets this) */
  --scroll-bg-y: 0;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
.u-hidden { display: none !important; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background: var(--bg-main);
  overflow-x: hidden;
}

/* Скроллбар на сайте */
html {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}
html::-webkit-scrollbar {
  width: 10px;
}
html::-webkit-scrollbar-track {
  background: transparent;
}
html::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  border: 2px solid var(--bg-main);
}
html::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Фон: лёгкая сетка только вверху, без перегруза */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 70% 40% at 50% 0%, black 15%, transparent 55%);
  -webkit-mask-image: radial-gradient(ellipse 70% 40% at 50% 0%, black 15%, transparent 55%);
}

/* Плавная синева фона по скроллу: чем ниже — тем мягче синий градиент */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 38%,
    rgba(59, 130, 246, 0.015) 55%,
    rgba(59, 130, 246, 0.035) 75%,
    rgba(59, 130, 246, 0.06) 92%,
    rgba(59, 130, 246, 0.08) 100%
  );
  background-size: 100% 200vh;
  background-repeat: no-repeat;
  background-position: 0 var(--scroll-bg-y, 0);
  transition: background-position 0.12s ease-out;
}

/* Глобальный блик по курсору (на всём сайте) */
.cursor-spotlight {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
@media (pointer: coarse) {
  .cursor-spotlight {
    display: none;
  }
}
.cursor-spotlight--blue {
  background: radial-gradient(
    650px 450px at var(--spot-x) var(--spot-y),
    rgba(96, 165, 250, 0.14),
    transparent 60%
  );
  opacity: 0.9;
}
.cursor-spotlight--red {
  background: radial-gradient(
    650px 450px at var(--spot-x) var(--spot-y),
    rgba(239, 68, 68, 0.13),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.45s ease;
}
@media (prefers-reduced-motion: reduce) {
  .cursor-spotlight--red { transition: none; }
}
body.is-over-problem .cursor-spotlight--red {
  opacity: 0.9;
}

/* Шум — едва заметный */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Орбы — мягче и тише */
.gradient-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
}
.gradient-orb--1 {
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -18%;
  right: -12%;
  animation: orbFloat 25s ease-in-out infinite;
}
.gradient-orb--2 {
  width: 38vw;
  height: 38vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  bottom: 12%;
  left: -8%;
  animation: orbFloat 30s ease-in-out infinite reverse;
}
.gradient-orb--3 {
  width: 28vw;
  height: 28vw;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbPulse 18s ease-in-out infinite;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-3%, -3%) scale(1.02); }
}
@keyframes orbPulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.28; }
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(5, 5, 8, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease-out-expo), border-color 0.4s var(--ease-out-expo), padding 0.4s var(--ease-out-expo);
}
.header--scrolled {
  background: rgba(5, 5, 8, 0.85);
  border-bottom-color: var(--border-subtle);
}
.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
}
.logo__bi {
  background: linear-gradient(
    110deg,
    #93b8f7 0%,
    #c4dafc 18%,
    #60a5fa 35%,
    #93c5fd 50%,
    #60a5fa 65%,
    #c4dafc 82%,
    #93b8f7 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: logoShimmer 8s ease-in-out infinite;
}
@keyframes logoShimmer {
  0%, 100% { background-position: 100% 0; }
  50% { background-position: 0% 0; }
}
.nav {
  display: flex;
  align-items: center;
}
.nav .btn--primary {
  color: #fff;
  font-weight: 600;
}
.nav .btn--primary:hover {
  color: #fff;
}
.nav__email {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-soft);
  text-decoration: none;
}
.nav__email:hover {
  color: var(--accent);
}
.nav__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}
.nav__contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-soft);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color 0.2s ease;
}
.nav__contact-item:hover {
  color: var(--accent);
}
.nav__contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--text-muted);
  opacity: 0.9;
}
.nav__contact-item:hover .nav__contact-icon {
  color: var(--accent);
}
.nav__contact-icon svg {
  width: 100%;
  height: 100%;
}
.nav__contact-text {
  white-space: nowrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out-expo);
  border: 1px solid transparent;
}
.btn--sm { padding: 0.5rem 1rem; font-size: var(--text-xs); }
.btn--lg { padding: 0.875rem 1.75rem; font-size: var(--text-base); }
.btn--xl { padding: 1rem 2rem; font-size: var(--text-lg); border-radius: 14px; }
.btn--primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn--primary:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-mid);
}
.btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.03);
}
.btn--outline-strong {
  background: transparent;
  color: var(--accent-soft);
  border: 2px solid rgba(59, 130, 246, 0.5);
  box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
}
.btn--outline-strong:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.08);
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.2);
  transform: translateY(-1px);
}

/* Sections */
.section {
  padding: var(--space-section) 0;
  position: relative;
}
.section__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 1.25rem;
}
.section__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(var(--text-3xl), 4.2vw, var(--text-5xl));
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0 0 1.5rem;
}
.section__title--center { text-align: center; }
.section__title--large { font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl)); }
.section__subtitle {
  font-size: clamp(1.0625rem, 1.25vw, var(--text-xl));
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  margin: 0 0 2.5rem;
  max-width: 60ch;
}
.section__subtitle--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__subtitle--wide { max-width: 68ch; }
.section__footer, .section__footer-strong {
  margin-top: 2.5rem;
  font-size: var(--text-base);
  color: var(--text-muted);
}
.section__footer-strong {
  font-weight: 600;
  color: var(--text-secondary);
}
.section__footer-strong--center { text-align: center; }
.section__footer-strong--large { font-size: var(--text-lg); }

.section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 900px) {
  .section__grid { grid-template-columns: 1fr; }
  .section__grid--reverse .section__visual { order: -1; }
}

/* Hero — усиленный первый экран: за 3 сек — что это, мощная технология, желание смотреть демо */
.section--hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(72px + clamp(3rem, 8vw, 5rem));
  padding-bottom: clamp(3rem, 8vw, 5rem);
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.section--hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(900px 500px at 50% 0%, rgba(59,130,246,0.08), transparent 55%);
  opacity: 0.8;
  transform: translateZ(0);
}

.hero__stack {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: center;
}
.hero__content {
  text-align: center;
  max-width: 980px;
  margin: 0 auto;
}
.hero__kicker {
  font-size: var(--text-sm);
  color: var(--accent-soft);
  margin-bottom: 1.25rem;
  font-weight: 500;
  line-height: 1.4;
  max-width: 42ch;
}
.hero__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4.75rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--text-primary);
}
.hero__title-gradient {
  background: linear-gradient(110deg, #e8f0ff 0%, #93c5fd 22%, #60a5fa 50%, #c4dafc 78%, #e8f0ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 220% 100%;
  animation: heroTitleShimmer 9s ease-in-out infinite;
}
@keyframes heroTitleShimmer {
  0%, 100% { background-position: 100% 0; }
  50% { background-position: 0% 0; }
}
.hero__title .hero__title-accent {
  color: var(--accent-soft);
  font-weight: 600;
}
.hero__subhead {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.35;
  color: var(--accent-soft);
  margin: 0 0 1rem;
  max-width: 48ch;
  margin-left: auto;
  margin-right: auto;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 auto 2.25rem;
  max-width: 68ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 0 auto 1.75rem;
  justify-content: center;
}
.hero__actions .btn--primary {
  min-width: 220px;
  padding: 1.05rem 2.1rem;
  font-size: 1.0625rem;
  font-weight: 600;
}
.hero__trust {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: 0.5rem 0;
}

/* Hero flow — крупная центральная диаграмма: облако → BiNetwork → выводы */
.hero__flow {
  width: 100%;
  max-width: min(1100px, 100%);
  margin: 0 auto;
}

.flow {
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(59,130,246,0.04) 25%, rgba(59,130,246,0.06) 50%, rgba(59,130,246,0.04) 75%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(59,130,246,0.06), 0 40px 100px -30px rgba(0,0,0,0.6);
  padding: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
  min-height: clamp(520px, 72vh, 780px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

/* Верх: большое облако разрозненных тегов */
.flow__sources {
  flex: 1;
  min-height: clamp(200px, 28vh, 320px);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow__sources-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 1rem;
}

.flow-tag {
  position: absolute;
  padding: 0.6rem 1.2rem;
  border-radius: 9999px;
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: clamp(0.95rem, 1.4vw, 1.35rem);
  background: rgba(8, 8, 12, 0.7);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.35);
  transform: translate(-50%, -50%);
  white-space: nowrap;
}
[data-tagcloud] .flow-tag {
  animation: flow-drift-1 22s ease-in-out infinite;
}
[data-tagcloud] .flow-tag:nth-child(odd) {
  animation-name: flow-drift-2;
  animation-duration: 26s;
  animation-delay: -3s;
}
[data-tagcloud] .flow-tag:nth-child(3n) {
  animation-name: flow-drift-3;
  animation-duration: 20s;
  animation-delay: -7s;
}
@media (prefers-reduced-motion: reduce) {
  [data-tagcloud] .flow-tag {
    animation: none;
  }
}
@keyframes flow-drift-1 {
  0%, 100% { transform: translate(-50%, -50%) translate3d(0, 0, 0) rotate(0deg); }
  25%      { transform: translate(-50%, -50%) translate3d(12px, 10px, 0) rotate(0.8deg); }
  50%      { transform: translate(-50%, -50%) translate3d(-10px, 14px, 0) rotate(-0.6deg); }
  75%      { transform: translate(-50%, -50%) translate3d(14px, -8px, 0) rotate(-1deg); }
}
@keyframes flow-drift-2 {
  0%, 100% { transform: translate(-50%, -50%) translate3d(0, 0, 0) rotate(0deg); }
  33%      { transform: translate(-50%, -50%) translate3d(-14px, 8px, 0) rotate(-1deg); }
  66%      { transform: translate(-50%, -50%) translate3d(10px, -12px, 0) rotate(0.8deg); }
}
@keyframes flow-drift-3 {
  0%, 100% { transform: translate(-50%, -50%) translate3d(0, 0, 0) rotate(0deg); }
  50%      { transform: translate(-50%, -50%) translate3d(-12px, -10px, 0) rotate(0.6deg); }
}
.flow-tag:hover {
  border-color: rgba(59,130,246,0.35);
  color: rgba(219,234,254,0.98);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.2), 0 16px 40px rgba(0,0,0,0.4);
}

/* Позиции тегов — разбросаны, не в линию */
.flow-tag--1  { left: 18%; top: 22%; }
.flow-tag--2  { left: 82%; top: 28%; }
.flow-tag--3  { left: 24%; top: 62%; }
.flow-tag--4  { left: 76%; top: 58%; }
.flow-tag--5  { left: 48%; top: 18%; }
.flow-tag--6  { left: 52%; top: 78%; }
.flow-tag--7  { left: 8%;  top: 48%; }
.flow-tag--8  { left: 92%; top: 48%; }
.flow-tag--9  { left: 32%; top: 38%; }
.flow-tag--10 { left: 68%; top: 72%; }
.flow-tag--11 { left: 38%; top: 78%; }
.flow-tag--12 { left: 62%; top: 22%; }
.flow-tag--13 { left: 14%; top: 72%; }
.flow-tag--14 { left: 86%; top: 72%; }

/* Стрелка вниз к BiNetwork */
.flow__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.6rem 0;
  flex-shrink: 0;
}
.flow__connector-line {
  width: 2px;
  height: 28px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.12), rgba(96,165,250,0.5));
  border-radius: 2px;
  opacity: 0.9;
}
.flow__connector-arrow {
  font-size: 1.25rem;
  color: rgba(96,165,250,0.7);
  margin-top: -2px;
  line-height: 1;
}
.flow--problem .flow__connector-line {
  background: linear-gradient(to bottom, rgba(255,255,255,0.12), rgba(239,68,68,0.5));
}
.flow--problem .flow__connector-arrow {
  color: rgba(248,113,113,0.85);
}

/* Ядро: BiNetwork */
.flow__core {
  flex-shrink: 0;
  text-align: center;
  padding: clamp(1.25rem, 2.5vw, 2rem) clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(59,130,246,0.18) 0%, rgba(59,130,246,0.08) 50%, rgba(59,130,246,0.12) 100%);
  border: 1px solid rgba(59,130,246,0.35);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 0 60px -12px rgba(59,130,246,0.3);
}
.flow__core-label {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  color: #dbeafe;
  text-shadow: 0 0 40px rgba(59,130,246,0.25);
}
.flow__core-sub {
  display: block;
  margin-top: 0.35rem;
  font-size: clamp(var(--text-xs), 1.1vw, var(--text-sm));
  color: rgba(255,255,255,0.7);
}

/* Низ: структурированные выходы из BiNetwork */
.flow__outputs {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  padding-top: clamp(1rem, 2vw, 1.5rem);
}
@media (max-width: 900px) {
  .flow__outputs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .flow__outputs { grid-template-columns: 1fr; }
}

.flow-output {
  padding: clamp(1rem, 1.8vw, 1.35rem) clamp(1.1rem, 1.5vw, 1.5rem);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.flow-output:hover {
  background: rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.28);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.12), 0 12px 32px -8px rgba(0,0,0,0.3);
}
.flow-output__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.flow-output__sub {
  font-size: clamp(var(--text-xs), 1vw, 0.8rem);
  color: var(--text-secondary);
  line-height: 1.35;
}

/* Секция Проблема: диаграмма внизу в стиле hero */
.problem-flow,
.solution-flow {
  width: 100%;
  max-width: min(1100px, 100%);
  margin: clamp(3rem, 5vw, 4.5rem) auto 0;
  position: relative;
  z-index: 1;
}
.flow--problem,
.flow--solution {
  min-height: clamp(380px, 50vh, 520px);
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.5rem, 3vw, 2.5rem);
}
.flow--problem .flow__sources {
  min-height: clamp(140px, 18vh, 200px);
}
.flow--solution .flow__sources {
  min-height: clamp(100px, 14vh, 160px);
}
.flow--solution .flow__source-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1rem, 2vw, 1.5rem);
  padding: 0.5rem 0;
  flex-shrink: 0;
}
.flow-source-card {
  flex: 0 1 auto;
  min-width: min(220px, 100%);
  max-width: 280px;
  padding: clamp(1rem, 1.8vw, 1.35rem) clamp(1.25rem, 2vw, 1.6rem);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
}
.flow-source-card:hover {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.25);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.1);
}
.flow-source-card__title {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.flow-source-card__sub {
  display: block;
  font-size: clamp(var(--text-xs), 0.95vw, 0.85rem);
  color: var(--text-secondary);
  line-height: 1.35;
}
.solution-flow .flow {
  margin-left: auto;
  margin-right: auto;
  max-width: min(720px, 100%);
  text-align: center;
}
.solution-flow .flow__connector {
  margin-left: auto;
  margin-right: auto;
}
.flow__core--solution {
  margin-left: auto;
  margin-right: auto;
  padding: clamp(1.5rem, 2.8vw, 2.25rem) clamp(2rem, 4vw, 3rem);
  max-width: 420px;
  background: linear-gradient(135deg, rgba(59,130,246,0.22) 0%, rgba(59,130,246,0.1) 50%, rgba(59,130,246,0.14) 100%);
  border: 1px solid rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 0 72px -16px rgba(59, 130, 246, 0.4);
}
.flow__core--solution .flow__core-label {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: #dbeafe;
  text-shadow: 0 0 48px rgba(59, 130, 246, 0.3);
}
.flow__core--solution .flow__core-sub {
  font-size: clamp(var(--text-xs), 1.05vw, var(--text-sm));
  color: rgba(255, 255, 255, 0.75);
}
.solution-flow .flow__outputs {
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  grid-template-columns: repeat(2, 1fr);
}
.flow--problem {
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(239,68,68,0.04) 30%, rgba(239,68,68,0.05) 50%, rgba(239,68,68,0.04) 70%, rgba(255,255,255,0.02) 100%);
  border-color: rgba(239, 68, 68, 0.12);
  box-shadow: 0 0 0 1px rgba(239,68,68,0.08), 0 32px 80px -24px rgba(0,0,0,0.5);
}
.flow--problem .flow-tag:hover {
  border-color: rgba(239, 68, 68, 0.35);
  color: rgba(254, 226, 226, 0.98);
  box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.2), 0 16px 40px rgba(0,0,0,0.4);
}
.flow__core--problem {
  background: linear-gradient(135deg, rgba(239,68,68,0.15) 0%, rgba(239,68,68,0.06) 100%);
  border-color: rgba(239, 68, 68, 0.3);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04), 0 0 40px -12px rgba(239, 68, 68, 0.2);
}
.flow__core--problem .flow__core-label {
  color: #fca5a5;
}
.flow__core--problem .flow__core-sub {
  color: rgba(255,255,255,0.6);
}
.flow-output--problem {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.2);
}
.flow-output--problem .flow-output__title {
  color: #f87171;
}
.flow__outputs--single {
  grid-template-columns: 1fr;
  max-width: 28rem;
  margin: 0 auto;
}
.flow-tag--p1 { left: 16%; top: 28%; }
.flow-tag--p2 { left: 84%; top: 32%; }
.flow-tag--p3 { left: 22%; top: 68%; }
.flow-tag--p4 { left: 78%; top: 62%; }
.flow-tag--p5 { left: 50%; top: 18%; }
.flow-tag--p6 { left: 50%; top: 82%; }
.flow-tag--p7 { left: 8%;  top: 52%; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .logo__bi { animation: none; }
  .flow-diagram__arrow { animation: none; }
  .flow-diagram__core { animation: none; }
  .hero__title-gradient { animation: none; }
  .gradient-orb--1, .gradient-orb--2, .gradient-orb--3 { animation: none; }
}

/* Тач/мобилки: отключаем тяжёлые анимации (орбы с blur + дрейф тегов) — меньше греется */
@media (pointer: coarse) {
  .gradient-orb--1, .gradient-orb--2, .gradient-orb--3,
  .problem-orb--1, .problem-orb--2,
  .solution-orb--1, .solution-orb--2 { animation: none; }
  [data-tagcloud] .flow-tag { animation: none; }
  .hero__title-gradient { animation: none; }
  .logo__bi { animation: none; }
}
.hero__trust::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

/* Hero flow diagram — акцент на «мощная технология» */
.hero__visual {
  position: relative;
}
.flow-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.flow-diagram::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 50%);
  pointer-events: none;
  border-radius: inherit;
}
.flow-diagram--hero {
  padding: 2.25rem 2rem;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.08), 0 24px 48px -12px rgba(0,0,0,0.45);
}
.flow-diagram__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: center;
}
.flow-diagram__row span {
  font-size: var(--text-xs);
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.flow-diagram__arrow {
  width: 2px;
  height: 24px;
  margin: 1rem auto;
  background: linear-gradient(to bottom, var(--border-mid), var(--accent));
  border-radius: var(--radius-full);
  opacity: 0.8;
  animation: arrowPulse 2s ease-in-out infinite;
}
@keyframes arrowPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.flow-diagram__core {
  text-align: center;
  padding: 1rem 1.5rem;
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: var(--radius-md);
  margin: 0.5rem 0;
  box-shadow: 0 0 40px -10px var(--accent-glow);
  animation: coreGlow 4s ease-in-out infinite;
}
@keyframes coreGlow {
  0%, 100% { box-shadow: 0 0 40px -10px var(--accent-glow); }
  50% { box-shadow: 0 0 55px -5px var(--accent-glow); }
}
.flow-diagram__core span {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--accent-soft);
}
.flow-diagram__row--outputs span {
  border-color: rgba(59, 130, 246, 0.2);
  color: var(--text-primary);
}
.hero__visual-caption {
  margin-top: 1rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-align: center;
}

/* Problem section — усиленный блок */
.section--problem {
  position: relative;
  overflow-x: hidden;
}
.problem-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 20% 50%, rgba(239, 68, 68, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.problem-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.problem-orb--1 {
  width: 45vw;
  height: 45vw;
  max-width: 480px;
  max-height: 480px;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.25) 0%, transparent 65%);
  top: 10%;
  right: 5%;
  animation: orbFloat 22s ease-in-out infinite;
}
.problem-orb--2 {
  width: 35vw;
  height: 35vw;
  max-width: 380px;
  max-height: 380px;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.2) 0%, transparent 65%);
  bottom: 15%;
  left: 0%;
  animation: orbFloat 28s ease-in-out infinite reverse;
}
.solution-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.32;
}
.solution-orb--1 {
  width: 42vw;
  height: 42vw;
  max-width: 440px;
  max-height: 440px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22) 0%, transparent 65%);
  top: 20%;
  left: -5%;
  animation: orbFloat 26s ease-in-out infinite;
}
.solution-orb--2 {
  width: 38vw;
  height: 38vw;
  max-width: 400px;
  max-height: 400px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.18) 0%, transparent 65%);
  bottom: 10%;
  right: -3%;
  animation: orbFloat 24s ease-in-out infinite reverse;
}
@media (prefers-reduced-motion: reduce) {
  .problem-orb--1, .problem-orb--2,
  .solution-orb--1, .solution-orb--2 { animation: none; }
}
.section__content--full {
  max-width: none;
  width: 100%;
}
.section__grid--problem {
  position: relative;
  z-index: 1;
}
.section__title--problem {
  max-width: 22ch;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

/* Статистика 90% — сильный акцент */
.stat-block {
  display: inline-flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0 2rem;
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.18);
  border-radius: var(--radius-md);
}
.stat-block__number {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #f87171;
}
.stat-block__text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  max-width: 22ch;
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
@media (max-width: 700px) {
  .problem-cards { grid-template-columns: 1fr; }
}
.problem-card {
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(1.5rem, 2.5vw, 2rem) clamp(1.5rem, 2.5vw, 2rem) clamp(1.25rem, 2vw, 1.75rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: border-color var(--duration-normal), background var(--duration-normal), box-shadow var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.problem-card:hover {
  border-left-color: rgba(239, 68, 68, 0.55);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.35);
}
.problem-card h3 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-lg), 1.4vw, 1.35rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.problem-card p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Итог — чёткий вывод */
.problem-footer {
  margin-top: 2.5rem;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  border-left: 4px solid rgba(239, 68, 68, 0.4);
}
.problem-footer__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.problem-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Chaos diagram — ощущение хаоса и потери */
.chaos-diagram {
  background: var(--bg-card);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 3.5vw, 3rem);
  position: relative;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.03), 0 24px 56px -16px rgba(0,0,0,0.4);
}
.chaos-diagram::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(239, 68, 68, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.chaos-diagram__nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  position: relative;
}
.chaos-diagram__nodes span {
  font-size: clamp(var(--text-sm), 1.1vw, 1rem);
  font-weight: 500;
  padding: 0.6rem 1.1rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-family: var(--font-body);
}
.chaos-diagram__arrow {
  width: 2px;
  height: 28px;
  margin: 1.25rem auto;
  background: var(--border-mid);
  border-radius: var(--radius-full);
}
.chaos-diagram__arrow--dashed {
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,0.15) 0, rgba(255,255,255,0.15) 4px, transparent 4px, transparent 8px);
  height: 32px;
}
.chaos-diagram__middle {
  text-align: center;
  font-size: clamp(var(--text-sm), 1.1vw, 1rem);
  color: var(--text-muted);
  padding: 0.75rem;
}
.chaos-diagram__bottom {
  text-align: center;
  font-size: clamp(var(--text-base), 1.15vw, 1.1rem);
  font-weight: 700;
  color: #f87171;
  padding: 1rem 1.25rem;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
}

/* Solution — усиленный блок */
.section--solution {
  position: relative;
  overflow-x: hidden;
}
.solution-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 80% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section__grid--solution {
  position: relative;
  z-index: 1;
}
.section__title--solution {
  max-width: 20ch;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

/* Ключевая мысль — выделенный тег */
.solution-tag {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-md);
}
.solution-tag__line {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
}
.solution-tag__line--accent {
  color: var(--accent-soft);
  font-size: var(--text-base);
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) {
  .principle-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .principle-list { grid-template-columns: 1fr; }
}
.principle-item {
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(1.5rem, 2.5vw, 2rem) clamp(1.5rem, 2.5vw, 2rem) clamp(1.25rem, 2vw, 1.75rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: border-color var(--duration-normal), background var(--duration-normal), box-shadow var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.principle-item:hover {
  border-left-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(59, 130, 246, 0.08);
}
.principle-item h3 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-lg), 1.4vw, 1.35rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.principle-item p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Итоговая фраза блока */
.solution-footer {
  margin-top: 2.5rem;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  border-left: 4px solid rgba(59, 130, 246, 0.35);
}
.solution-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Диаграмма решения — русский, с акцентом на ядро */
.solution-diagram {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: clamp(2rem, 3.5vw, 3rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.08), 0 24px 56px -16px rgba(0, 0, 0, 0.35);
}
.solution-diagram::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(ellipse 50% 60% at 50% 50%, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}
.solution-diagram__block {
  font-size: clamp(var(--text-sm), 1.1vw, 1.05rem);
  font-weight: 500;
  padding: 0.75rem 1.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-align: center;
  position: relative;
  z-index: 1;
}
.solution-diagram__block--core {
  margin: 0.35rem 0;
  padding: 1.25rem 2rem;
  background: var(--accent-dim);
  border-color: rgba(59, 130, 246, 0.35);
  color: var(--accent-soft);
  font-weight: 700;
  font-size: clamp(var(--text-base), 1.25vw, 1.2rem);
  box-shadow: 0 0 32px -8px var(--accent-glow);
}
.solution-diagram__block--core small {
  display: block;
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 0.35rem;
}
.solution-diagram__arrow {
  width: 2px;
  height: 20px;
  margin: 0.5rem 0;
  background: linear-gradient(to bottom, var(--border-mid), var(--accent));
  border-radius: var(--radius-full);
  opacity: 0.85;
  position: relative;
  z-index: 1;
}

/* Vertical flow (legacy, если используется где-то ещё) */
.flow-diagram--vertical {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.flow-diagram__block {
  font-size: var(--text-sm);
  padding: 0.6rem 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.flow-diagram__arrow--small {
  width: 2px;
  height: 12px;
  background: var(--border-mid);
  border-radius: var(--radius-full);
  margin: 0.25rem 0;
}

/* How it works — усиленный блок */
.section--how {
  position: relative;
}
.how-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 40% at 50% 20%, rgba(59, 130, 246, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.section--how .container {
  position: relative;
  z-index: 1;
}
.section__title--how {
  max-width: 24ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}
.section__subtitle--how {
  max-width: 62ch;
  font-size: clamp(1.0625rem, 1.2vw, 1.2rem);
}

/* Pipeline — линия над плашками, затем этапы */
.how-pipeline {
  position: relative;
  margin: clamp(3rem, 5vw, 4rem) 0 clamp(2.5rem, 4vw, 3.5rem);
  padding: clamp(2rem, 3vw, 2.75rem) clamp(1.75rem, 2.5vw, 2.25rem);
  padding-top: 3.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.06), 0 28px 64px -20px rgba(0, 0, 0, 0.4);
}
.how-pipeline__track {
  position: absolute;
  left: 1.75rem;
  right: 1.75rem;
  top: 1.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--border-subtle) 0%, var(--border-mid) 20%, var(--accent) 50%, var(--border-mid) 80%, var(--border-subtle) 100%);
  border-radius: var(--radius-full);
  opacity: 0.75;
}
.how-pipeline__steps {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.5rem;
}
.how-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.9rem 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  min-width: 9rem;
  transition: all var(--duration-normal);
}
.how-step:hover {
  border-color: var(--border-mid);
  background: var(--bg-card-hover);
}
.how-step--core {
  background: var(--accent-dim);
  border-color: rgba(59, 130, 246, 0.35);
  color: var(--accent-soft);
  font-weight: 700;
  box-shadow: 0 0 32px -8px var(--accent-glow);
}
.how-step__text {
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.35;
}
.how-step--core .how-step__text {
  color: var(--text-primary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
@media (max-width: 1000px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .steps-grid { grid-template-columns: 1fr; }
}
.step-card {
  padding: clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.5rem, 2vw, 1.75rem) clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.35rem, 1.8vw, 1.6rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  transition: all var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.step-card:hover {
  border-left-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px -12px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(59, 130, 246, 0.08);
}
.step-card h3 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-lg), 1.35vw, 1.3rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.step-card p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Итоговая фраза блока */
.how-footer {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(2rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
.how-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Capabilities — усиленный блок */
.section--capabilities {
  position: relative;
}
.cap-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section--capabilities .container {
  position: relative;
  z-index: 1;
}
.section__title--cap {
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}
.section__subtitle--cap {
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.0625rem, 1.2vw, 1.2rem);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
@media (max-width: 1100px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cap-grid { grid-template-columns: 1fr; }
}
.cap-card {
  padding: clamp(2rem, 2.8vw, 2.5rem) clamp(1.75rem, 2.2vw, 2rem) clamp(2rem, 2.8vw, 2.5rem) clamp(1.5rem, 2vw, 1.75rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  transition: all var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.cap-card:hover {
  border-left-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 24px 56px -16px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(59, 130, 246, 0.08);
}
.cap-card__icon {
  width: clamp(52px, 4.5vw, 64px);
  height: clamp(52px, 4.5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
  color: var(--accent-soft);
  transition: background var(--duration-normal), color var(--duration-normal);
}
.cap-card:hover .cap-card__icon {
  background: rgba(59, 130, 246, 0.22);
  color: var(--accent-soft);
}
.cap-card__icon svg { width: clamp(26px, 2.2vw, 32px); height: clamp(26px, 2.2vw, 32px); }
.cap-card h3 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-lg), 1.35vw, 1.3rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.cap-card p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.cap-footer {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(2rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
.cap-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Example scenario — интерактивный чат (вау-момент) */
.section--example {
  position: relative;
}
.example-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.section--example .container {
  position: relative;
  z-index: 1;
}
.section__title--example {
  max-width: 24ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

/* До клика: вопрос + кнопка */
.example-intro {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  max-width: 34rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.example-intro__hint {
  margin: 0 0 1.25rem;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
}
.example-intro__bubble {
  display: inline-block;
  margin-bottom: 2rem;
  padding: 1.25rem 2rem;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  font-family: var(--font-head);
  font-size: clamp(var(--text-lg), 1.4vw, 1.35rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.3);
}
.example-intro__bubble::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: rgba(255, 255, 255, 0.07);
}
.example-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.15rem 2.25rem;
  font-family: var(--font-head);
  font-size: clamp(var(--text-base), 1.1vw, 1.1rem);
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--duration-normal), transform var(--duration-normal), box-shadow var(--duration-normal);
  box-shadow: 0 6px 28px rgba(59, 130, 246, 0.4);
}
.example-cta:hover {
  background: var(--accent-soft);
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(59, 130, 246, 0.45);
}
.example-cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.example-cta__icon {
  display: inline-flex;
}
.example-cta__icon svg {
  width: 20px;
  height: 20px;
}

/* После клика: чат */
.section--example.example--active .example-intro {
  display: none;
}
.example-chat {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
}
.section--example.example--active .example-chat {
  display: block !important;
}
.example-chat__window {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: 0 28px 64px -20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(59, 130, 246, 0.1);
  overflow: hidden;
}
.example-chat__messages {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.75rem 1.75rem 2rem;
  min-height: 220px;
  max-height: 480px;
  overflow-y: auto;
  scroll-behavior: smooth;
}
.example-chat__messages::-webkit-scrollbar { width: 8px; }
.example-chat__messages::-webkit-scrollbar-track { background: transparent; }
.example-chat__messages::-webkit-scrollbar-thumb { background: rgba(59, 130, 246, 0.3); border-radius: 4px; }
.example-chat__msg {
  padding: 1rem 1.35rem;
  border-radius: var(--radius-lg);
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  line-height: var(--leading-relaxed);
  max-width: 92%;
}
.example-chat__msg--user {
  align-self: flex-end;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}
.example-chat__msg--ai {
  align-self: flex-start;
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--text-primary);
}
.example-chat__msg--loading {
  align-self: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}
.example-chat__msg--loading::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  margin-left: 2px;
  background: var(--accent-soft);
  border-radius: 2px;
  animation: example-typing 0.8s ease-in-out infinite;
  vertical-align: middle;
}
@keyframes example-typing {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
.example-chat__msg--ai .example-chat__analysis {
  display: block;
  margin: 0 0 0.6rem;
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 400;
}
.example-chat__msg--ai .example-chat__answer {
  display: block;
  margin: 0;
  font-weight: 600;
  color: var(--text-primary);
}

/* Use cases — усиленный блок Сценарии */
.section--usecases {
  position: relative;
}
.usecase-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 40% at 50% 30%, rgba(59, 130, 246, 0.04) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section--usecases .container {
  position: relative;
  z-index: 1;
}
.section__title--usecase {
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}
.section__subtitle--usecase {
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.0625rem, 1.2vw, 1.2rem);
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
@media (max-width: 1100px) {
  .usecase-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .usecase-grid { grid-template-columns: 1fr; }
}
.usecase-card {
  padding: clamp(2rem, 2.8vw, 2.5rem) clamp(1.75rem, 2.2vw, 2rem) clamp(2rem, 2.8vw, 2.5rem) clamp(1.5rem, 2vw, 1.75rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  transition: all var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.usecase-card:hover {
  border-left-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 24px 56px -16px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(59, 130, 246, 0.08);
}
.usecase-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 0.85rem;
}
.usecase-card h3 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-lg), 1.35vw, 1.3rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.usecase-card p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.usecase-footer {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(2rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
.usecase-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Comparison — усиленный блок Отличие */
.section--comparison {
  position: relative;
}
.comparison-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(59, 130, 246, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.section--comparison .container {
  position: relative;
  z-index: 1;
}
.section__title--comparison {
  max-width: 22ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 3.8vw, var(--text-5xl));
}
.section__subtitle--comparison {
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}

.comparison-block {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin: clamp(3rem, 5vw, 4.5rem) 0;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.03), 0 24px 56px -16px rgba(0, 0, 0, 0.35);
}
@media (max-width: 900px) {
  .comparison-block { grid-template-columns: 1fr; }
  .comparison-vs { order: -1; margin: 0; }
}
.comparison-side {
  padding: clamp(2rem, 3vw, 2.75rem) clamp(1.75rem, 2.5vw, 2.25rem);
  position: relative;
}
.comparison-side--old {
  border-right: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}
.comparison-side--new {
  border-left: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 50%);
  border-left-width: 4px;
  border-left-color: rgba(59, 130, 246, 0.4);
}
.comparison-side__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}
.comparison-side__label--accent {
  color: var(--accent-soft);
}
.comparison-side h3 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-xl), 1.5vw, 1.5rem);
  font-weight: 700;
  margin: 0 0 1.5rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.comparison-side--old .comparison-flow span {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border-color: var(--border-subtle);
}
.comparison-side--new .comparison-flow span {
  background: rgba(59, 130, 246, 0.12);
  color: var(--text-primary);
  border-color: rgba(59, 130, 246, 0.25);
}
.comparison-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.comparison-flow span {
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  padding: 0.6rem 1.35rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}
.comparison-arrow {
  width: 2px;
  height: 16px;
  background: var(--border-mid);
  border-radius: var(--radius-full);
}
.comparison-side--new .comparison-arrow {
  background: linear-gradient(to bottom, var(--border-mid), var(--accent));
  opacity: 0.85;
}
.comparison-flow--full .comparison-arrow { margin: 0.25rem 0; }
.comparison-side p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}
.comparison-vs {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  padding: 1.25rem 1rem;
  min-width: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
}
.comparison-vs__text {
  position: relative;
  z-index: 1;
  color: var(--accent-soft);
  text-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
}
.comparison-vs::before {
  content: '';
  position: absolute;
  inset: 50%;
  width: 2.5rem;
  height: 2.5rem;
  margin: -1.25rem 0 0 -1.25rem;
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--accent-dim) 0%, transparent 70%);
  opacity: 0.8;
  pointer-events: none;
}
.comparison-vs::after {
  content: '';
  position: absolute;
  inset: 50%;
  width: 3rem;
  height: 3rem;
  margin: -1.5rem 0 0 -1.5rem;
  border-radius: 50%;
  border: 1px solid rgba(59, 130, 246, 0.25);
  pointer-events: none;
}
@media (max-width: 900px) {
  .comparison-vs {
    order: -1;
    margin: 0;
    padding: 1rem 1.5rem;
    border-left: none;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    min-width: auto;
    letter-spacing: 0.2em;
  }
  .comparison-vs::before,
  .comparison-vs::after { display: none; }
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
@media (max-width: 800px) {
  .diff-grid { grid-template-columns: 1fr; }
}
.diff-item {
  padding: clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.5rem, 2vw, 1.75rem) clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.35rem, 1.8vw, 1.6rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: all var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.diff-item:hover {
  border-left-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.35);
}
.diff-item h4 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-base), 1.15vw, 1.1rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.diff-item p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.comparison-footer {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(2rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}
.comparison-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Architecture — усиленный блок Платформа */
.section--architecture {
  position: relative;
}
.arch-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 20% 50%, rgba(59, 130, 246, 0.04) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section--architecture .container {
  position: relative;
  z-index: 1;
}
.section__title--arch {
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

.arch-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 1.8vw, 1.35rem);
  width: 100%;
}
@media (max-width: 620px) {
  .arch-list { grid-template-columns: 1fr; }
}
.arch-item {
  padding: clamp(1.25rem, 2vw, 1.75rem) clamp(1.25rem, 2vw, 1.75rem) clamp(1.25rem, 2vw, 1.75rem) clamp(1.1rem, 1.6vw, 1.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  transition: all var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.arch-item:hover {
  border-left-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(59, 130, 246, 0.06);
}
.arch-item h4 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-base), 1.15vw, 1.1rem);
  font-weight: 700;
  margin: 0 0 0.45rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.arch-item p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.arch-footer {
  margin-top: clamp(2rem, 3vw, 2.5rem);
  padding: clamp(1.25rem, 2vw, 1.75rem) clamp(1.5rem, 2.5vw, 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  border-left: 4px solid rgba(59, 130, 246, 0.35);
  width: 100%;
}
.arch-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

/* Платформа: схема снизу в стиле flow */
.arch-flow {
  width: 100%;
  max-width: min(1100px, 100%);
  margin: clamp(3rem, 5vw, 4.5rem) auto 0;
  position: relative;
  z-index: 1;
}
.flow--arch {
  min-height: clamp(340px, 46vh, 480px);
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.5rem, 3vw, 2.5rem);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(59,130,246,0.05) 25%, rgba(59,130,246,0.07) 50%, rgba(59,130,246,0.05) 75%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 0 0 1px rgba(59,130,246,0.08), 0 36px 88px -28px rgba(0,0,0,0.5);
}
.flow__source-cards--arch {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1rem, 2vw, 1.35rem);
  padding: 0.5rem 0;
}
.flow-source-card--arch {
  min-width: min(180px, 100%);
  max-width: 240px;
}
.flow__core--arch {
  margin-left: auto;
  margin-right: auto;
  max-width: 400px;
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(2rem, 3.5vw, 2.75rem);
  background: linear-gradient(135deg, rgba(59,130,246,0.2) 0%, rgba(59,130,246,0.08) 50%, rgba(59,130,246,0.14) 100%);
  border: 1px solid rgba(59, 130, 246, 0.45);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 0 64px -12px rgba(59, 130, 246, 0.45);
}
.flow__core--arch .flow__core-label {
  font-size: clamp(1.65rem, 2.8vw, 2.15rem);
  color: #dbeafe;
  text-shadow: 0 0 40px rgba(59, 130, 246, 0.35);
}
.flow__core--arch .flow__core-sub {
  font-size: clamp(var(--text-xs), 1vw, var(--text-sm));
  color: rgba(255, 255, 255, 0.75);
}
.flow__outputs--arch {
  grid-template-columns: repeat(3, 1fr);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  gap: clamp(0.85rem, 1.5vw, 1.2rem);
}
@media (max-width: 640px) {
  .flow__outputs--arch { grid-template-columns: 1fr; }
}
.flow-output--arch {
  padding: clamp(1rem, 1.6vw, 1.25rem) clamp(1.1rem, 1.5vw, 1.4rem);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
}
.flow-output--arch:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.12);
}

/* Vision — усиленный блок Видение */
.section--vision {
  position: relative;
  background: linear-gradient(180deg, transparent 0%, rgba(59, 130, 246, 0.04) 50%, transparent 100%);
}
.vision-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 40% at 50% 60%, rgba(59, 130, 246, 0.05) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section--vision .container {
  position: relative;
  z-index: 1;
}
.vision-inner {
  width: 100%;
  margin: 0 auto;
}
.section__title--vision {
  max-width: 16ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}
.section__subtitle--vision {
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.0625rem, 1.2vw, 1.2rem);
}

.vision-flow-wrap {
  margin: clamp(2.5rem, 4vw, 3.5rem) 0;
  padding: clamp(2rem, 3vw, 2.75rem) clamp(1.75rem, 2.5vw, 2.25rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.06), 0 24px 56px -16px rgba(0, 0, 0, 0.35);
}
.vision-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.25rem;
}
.vision-flow__block {
  font-size: clamp(var(--text-sm), 1.1vw, 1.05rem);
  font-weight: 500;
  padding: 0.9rem 1.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
}
.vision-flow__block--accent {
  background: var(--accent-dim);
  border-color: rgba(59, 130, 246, 0.4);
  color: var(--accent-soft);
  font-weight: 700;
  box-shadow: 0 0 28px -6px var(--accent-glow);
}
.vision-flow__arrow {
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--border-mid), var(--accent));
  border-radius: var(--radius-full);
  opacity: 0.85;
}

.vision-idea {
  margin: clamp(2rem, 3.5vw, 2.75rem) 0 clamp(2.5rem, 4vw, 3.25rem);
  padding: clamp(1.75rem, 2.5vw, 2.25rem) clamp(2rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.vision-idea__text {
  margin: 0;
  font-size: clamp(var(--text-lg), 1.25vw, 1.25rem);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  text-align: center;
}

.vision-theses {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: clamp(2rem, 3.5vw, 2.75rem);
}
@media (max-width: 800px) {
  .vision-theses { grid-template-columns: 1fr; }
}
.vision-thesis {
  padding: clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.5rem, 2vw, 1.75rem) clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.35rem, 1.8vw, 1.6rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--border-mid);
  border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
  transition: all var(--duration-normal);
  box-shadow: 0 4px 24px -8px rgba(0, 0, 0, 0.2);
}
.vision-thesis:hover {
  border-left-color: var(--accent);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.35);
}
.vision-thesis h4 {
  font-family: var(--font-head);
  font-size: clamp(var(--text-base), 1.15vw, 1.1rem);
  font-weight: 700;
  margin: 0 0 0.55rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.vision-thesis p {
  margin: 0;
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.vision-footer {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 2.5vw, 2rem) clamp(2rem, 3vw, 2.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-align: center;
}
.vision-footer__text {
  margin: 0;
  font-size: clamp(var(--text-base), 1.1vw, 1.125rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* CTA — усиленный блок призыва к действию */
.section--cta {
  position: relative;
  padding: var(--space-section) 0;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 60% at 50% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.section--cta .container {
  position: relative;
  z-index: 1;
}

.cta-block {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(4rem, 7vw, 5.5rem) clamp(2.5rem, 4vw, 3.5rem);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.1), 0 0 80px -24px rgba(59, 130, 246, 0.15), 0 40px 80px -20px rgba(0, 0, 0, 0.5);
}
.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 85% 55% at 50% 0%, var(--accent-dim) 0%, transparent 65%);
  pointer-events: none;
}
.cta-block::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 520px;
  height: 280px;
  background: radial-gradient(ellipse 100% 100%, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.22;
  pointer-events: none;
}

.cta__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 auto 1.25rem;
  max-width: 18ch;
  position: relative;
  color: var(--text-primary);
}
.cta__subtitle {
  font-size: clamp(var(--text-lg), 1.25vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 auto 2.75rem;
  max-width: 46ch;
  position: relative;
}
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
  margin-bottom: 2.25rem;
  position: relative;
}
.cta__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: stretch;
  margin: 0 0 2.25rem;
  position: relative;
}
.cta__contact-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  font-size: clamp(1rem, 1.1vw, 1.125rem);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.cta__contact-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(59, 130, 246, 0.25);
  color: var(--accent-soft);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
}
.cta__contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.9;
}
.cta__contact-item:hover .cta__contact-icon {
  color: var(--accent-soft);
}
.cta__contact-icon svg {
  width: 100%;
  height: 100%;
}
.cta__contact-text {
  white-space: nowrap;
}
@media (max-width: 480px) {
  .cta__contact-item {
    padding: 0.75rem 1.25rem;
    gap: 0.625rem;
  }
  .cta__contact-text {
    white-space: normal;
  }
}
.cta__email {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.cta__email:hover {
  text-decoration: underline;
}
.btn--cta {
  min-width: 240px;
  padding: 1.25rem 2.25rem;
  font-size: clamp(1.0625rem, 1.15vw, 1.15rem);
  font-weight: 700;
  border-radius: var(--radius-lg);
}
.btn--cta:hover {
  box-shadow: 0 0 48px var(--accent-glow);
  transform: translateY(-3px);
}
.btn--cta-secondary {
  padding: 1.2rem 2rem;
  font-size: clamp(var(--text-base), 1.05vw, 1.05rem);
  font-weight: 600;
}

.cta__footer {
  position: relative;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
}
.cta__trust {
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}
.cta__tagline {
  font-size: clamp(var(--text-sm), 1.05vw, 1rem);
  font-weight: 700;
  color: var(--accent-soft);
  margin: 0;
}

/* Footer */
/* ========== Полноэкранный мультик «Как работает BiNetwork» ========== */
.cartoon {
  position: fixed;
  inset: 0;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.cartoon.is-open {
  opacity: 1;
  visibility: visible;
}
.cartoon__backdrop {
  position: absolute;
  inset: 0;
  background: var(--bg-deep);
  background-image: radial-gradient(ellipse 120% 80% at 20% 20%, rgba(59,130,246,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 80% 80%, rgba(59,130,246,0.04) 0%, transparent 45%);
}
.cartoon__wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.cartoon__header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.75rem 1rem;
  padding-top: max(0.75rem, env(safe-area-inset-top));
  padding-right: max(1rem, env(safe-area-inset-right));
  min-height: 52px;
  background: rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 10;
}
.cartoon__spine {
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,0.14) 8%, rgba(255,255,255,0.14) 92%, transparent 100%);
  opacity: 1;
  z-index: 0;
  pointer-events: none;
  border-radius: 3px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0,0,0,0.15);
}
.cartoon__spine::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 140px;
  background: linear-gradient(to bottom, transparent, rgba(59,130,246,0.7) 20%, rgba(96,165,250,1) 50%, rgba(59,130,246,0.7) 80%, transparent);
  border-radius: 3px;
  box-shadow: 0 0 20px rgba(59,130,246,0.6);
  animation: cartoon-spine-energy 2.8s linear infinite;
}
.cartoon__spine::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to bottom, transparent, rgba(59,130,246,0.2) 30%, transparent 70%);
  border-radius: 3px;
  animation: cartoon-spine-energy 2.8s linear infinite 0.4s;
  pointer-events: none;
}
@keyframes cartoon-spine-energy {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}
.cartoon__close {
  position: relative;
  top: auto;
  right: auto;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.cartoon__close:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.cartoon__close svg { width: 22px; height: 22px; }
.cartoon__strip {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 0 6rem;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  padding-bottom: calc(6rem + env(safe-area-inset-bottom));
  position: relative;
  z-index: 1;
}
.cartoon__block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 2.5rem 2rem 1.5rem;
  padding-left: 4.5rem;
  position: relative;
  min-height: 0;
}
.cartoon__block--final {
  padding-bottom: 4rem;
}
.cartoon__block-inner--final {
  background: linear-gradient(165deg, rgba(59,130,246,0.07) 0%, rgba(59,130,246,0.02) 40%, rgba(0,0,0,0.03) 100%);
  border: 1px solid rgba(59,130,246,0.15);
  box-shadow: 0 16px 56px rgba(0,0,0,0.28), 0 0 0 1px rgba(59,130,246,0.06) inset;
  padding: 2rem 1.75rem;
}
.cartoon__block-connector {
  position: absolute;
  left: 2rem;
  top: 50%;
  width: 2.25rem;
  height: 4px;
  background: linear-gradient(to right, var(--accent), rgba(59,130,246,0.35));
  opacity: 1;
  margin-top: -2px;
  z-index: 0;
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(59,130,246,0.2);
}
.cartoon__flow-down {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  margin-top: -0.75rem;
  margin-bottom: -0.75rem;
  flex-shrink: 0;
  line-height: 0;
  gap: 0;
  min-height: 5rem;
}
.cartoon__flow-line {
  width: 3px;
  flex: 1 1 auto;
  min-height: 3rem;
  margin-bottom: -6px;
  background: linear-gradient(to top, var(--accent), rgba(59,130,246,0.5) 40%, rgba(59,130,246,0.2) 100%);
  opacity: 1;
  border-radius: 2px;
  box-shadow: 0 0 20px rgba(59,130,246,0.3);
  display: block;
}
.cartoon__flow-arrow {
  display: block;
  width: 28px;
  height: 28px;
  margin-top: -6px;
  color: var(--accent);
  filter: drop-shadow(0 0 8px rgba(59,130,246,0.6));
  flex-shrink: 0;
  vertical-align: top;
}
.cartoon__block-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 800px;
  position: relative;
  z-index: 1;
  padding: 2rem 2.25rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2), 0 0 0 1px rgba(59,130,246,0.06) inset;
  backdrop-filter: blur(12px);
}
.cartoon__block-inner--gallery {
  cursor: pointer;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.cartoon__block-inner--gallery:hover {
  box-shadow: 0 12px 48px rgba(0,0,0,0.25), 0 0 0 1px rgba(59,130,246,0.12) inset;
  border-color: rgba(255,255,255,0.1);
}
.cartoon__card-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  min-height: 44px;
  margin: 0 0 0.75rem;
  padding: 0 0 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.cartoon__card-eye {
  position: relative;
  top: auto;
  right: auto;
  z-index: 1;
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  background: rgba(0,0,0,0.25);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.cartoon__card-eye:hover {
  color: var(--accent-soft);
  background: rgba(59,130,246,0.15);
  border-color: rgba(59,130,246,0.35);
  transform: scale(1.05);
}
.cartoon__card-eye svg {
  width: 20px;
  height: 20px;
  display: block;
}
.cartoon__visual {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 80px;
}
.cartoon__caption {
  flex-shrink: 0;
  text-align: center;
  padding-top: 1rem;
  max-width: 480px;
}
.cartoon__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-head);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-secondary);
}
.cartoon__subtitle {
  margin: 0;
  font-size: clamp(0.8125rem, 1vw, 0.9375rem);
  line-height: 1.45;
  color: var(--text-muted);
}
/* Пошаговое появление «дерева»: живое появление с лёгким overshoot */
.cartoon [data-step] {
  opacity: 0;
  transform: translateY(20px) scale(0.97);
}
.cartoon [data-step].is-visible {
  animation: cartoon-reveal 0.75s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes cartoon-reveal {
  0% { opacity: 0; transform: translateY(24px) scale(0.96); }
  65% { opacity: 1; transform: translateY(-5px) scale(1.02); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
/* Связка между блоками «прорисовывается» сверху вниз */
.cartoon__flow-line {
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.cartoon [data-step].is-visible .cartoon__flow-line {
  transform: scaleY(1);
}
.cartoon__flow-arrow {
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.35s ease 0.3s, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1) 0.3s;
}
.cartoon [data-step].is-visible .cartoon__flow-arrow {
  opacity: 1;
  transform: translateY(0);
}
.cartoon__org { text-align: center; }
.cartoon__org-node {
  padding: 0.85rem 1.75rem;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  margin: 0.35rem;
  display: inline-block;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.cartoon__org-node--root {
  padding: 1rem 2.25rem;
  font-size: 1.15rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.15) 0%, rgba(59,130,246,0.06) 100%);
  border-color: rgba(59,130,246,0.35);
  box-shadow: 0 6px 28px rgba(0,0,0,0.2), 0 0 40px rgba(59,130,246,0.12);
  animation: cartoon-root-pulse 5s ease-in-out infinite;
}
@keyframes cartoon-root-pulse {
  0%, 100% { box-shadow: 0 6px 28px rgba(0,0,0,0.2), 0 0 35px rgba(59,130,246,0.1); }
  50% { box-shadow: 0 6px 32px rgba(0,0,0,0.22), 0 0 50px rgba(59,130,246,0.18); }
}
.cartoon__org-node:not(.cartoon__org-node--root):not(.cartoon__org-node--team) {
  border-color: rgba(59,130,246,0.25);
  background: rgba(59,130,246,0.06);
  color: var(--accent-soft);
}
.cartoon__org-node--team {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.08);
  font-weight: 500;
}
.cartoon__org-branch { margin-top: 1.25rem; }
.cartoon__org-children { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.cartoon__workspaces { display: flex; flex-wrap: wrap; gap: 1.25rem; justify-content: center; }
.cartoon__ws {
  padding: 1.1rem 2rem;
  border-radius: 16px;
  border: 1px solid rgba(59,130,246,0.4);
  background: linear-gradient(145deg, rgba(59,130,246,0.12) 0%, rgba(59,130,246,0.05) 100%);
  font-weight: 600;
  font-size: 1rem;
  color: var(--accent-soft);
  box-shadow: 0 4px 24px rgba(59,130,246,0.15), 0 0 0 1px rgba(59,130,246,0.1) inset;
}
.cartoon__sources { display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center; max-width: 520px; }
.cartoon__source {
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}
.cartoon__iterations { display: flex; flex-direction: column; gap: 0.85rem; }
.cartoon__iter {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}
.cartoon__iter-label { font-weight: 600; font-size: 1rem; color: var(--text-primary); }
.cartoon__iter-dot { color: var(--accent); opacity: 0.9; font-size: 1.1em; }
.cartoon__pipeline { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.6rem; }
.cartoon__stage {
  padding: 0.65rem 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(59,130,246,0.35);
  background: linear-gradient(145deg, rgba(59,130,246,0.1) 0%, rgba(59,130,246,0.04) 100%);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-soft);
  box-shadow: 0 2px 16px rgba(59,130,246,0.12);
}
.cartoon__pipe-arrow { color: var(--accent); opacity: 0.85; font-size: 1.35rem; font-weight: 700; filter: drop-shadow(0 0 8px rgba(59,130,246,0.4)); }
.cartoon__pipeline-note { margin-top: 1.35rem; font-size: var(--text-sm); color: var(--text-muted); }

/* Граф исполнения этапов (сцена 4) */
.cartoon__block-inner--exec .cartoon__visual {
  padding: 0.5rem 0;
}
.cartoon__block-inner--exec {
  background: linear-gradient(165deg, rgba(59,130,246,0.06) 0%, rgba(59,130,246,0.02) 50%, rgba(0,0,0,0.02) 100%);
  border-color: rgba(59,130,246,0.12);
  box-shadow: 0 12px 48px rgba(0,0,0,0.25), 0 0 0 1px rgba(59,130,246,0.08) inset, 0 1px 0 0 rgba(59,130,246,0.15);
}
.cartoon__exec-graph {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 1rem 0.75rem;
}
.cartoon__exec-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-radius: 16px;
  border: 1px solid rgba(59,130,246,0.3);
  background: linear-gradient(180deg, rgba(59,130,246,0.1) 0%, rgba(59,130,246,0.03) 100%);
  min-width: 0;
  flex: 0 1 auto;
  width: 100%;
  max-width: 180px;
  box-shadow: 0 4px 24px rgba(59,130,246,0.12);
}
.cartoon__exec-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}
.cartoon__exec-stage-label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-soft);
  letter-spacing: 0.02em;
}
.cartoon__exec-attach {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}
.cartoon__exec-badge {
  padding: 0.4rem 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.cartoon__exec-flow {
  font-size: 0.8rem;
  color: var(--accent);
  opacity: 0.95;
  letter-spacing: 0.03em;
}
.cartoon__exec-result {
  padding: 0.5rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(59,130,246,0.4);
  background: rgba(59,130,246,0.15);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-soft);
  box-shadow: 0 4px 20px rgba(59,130,246,0.2);
}
.cartoon__exec-arrow {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 700;
  opacity: 0.95;
  align-self: center;
  flex-shrink: 0;
}

.cartoon__merge { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem; }
.cartoon__merge-from, .cartoon__merge-mid {
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  font-size: 0.95rem;
  color: var(--text-secondary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.cartoon__merge-to {
  padding: 1rem 2rem;
  border-radius: 16px;
  border: 1px solid rgba(59,130,246,0.5);
  background: linear-gradient(145deg, rgba(59,130,246,0.2) 0%, rgba(59,130,246,0.1) 100%);
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 8px 32px rgba(59,130,246,0.3), 0 0 60px rgba(59,130,246,0.15);
  animation: cartoon-merge-glow 3.5s ease-in-out infinite;
}
@keyframes cartoon-merge-glow {
  0%, 100% { box-shadow: 0 8px 32px rgba(59,130,246,0.28), 0 0 50px rgba(59,130,246,0.12); }
  50% { box-shadow: 0 8px 40px rgba(59,130,246,0.38), 0 0 70px rgba(59,130,246,0.2); }
}
.cartoon__merge-arrow { color: var(--accent); font-size: 1.35rem; font-weight: 700; filter: drop-shadow(0 0 6px rgba(59,130,246,0.5)); }
.cartoon__block.is-visible .cartoon__merge-from { transition-delay: 0.25s; }
.cartoon__block.is-visible .cartoon__merge-mid { transition-delay: 0.55s; }

/* Merge v2: ресурсы + результаты → mapper → знание */
.cartoon__merge--v2 {
  flex-direction: column;
  gap: 0.6rem;
}
.cartoon__merge-sources {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.cartoon__merge-src {
  padding: 0.5rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.cartoon__merge-plus {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 700;
}
.cartoon__merge-arrow-v {
  color: var(--accent);
  font-size: 1.1rem;
  line-height: 1;
}
.cartoon__merge-mapper {
  padding: 0.6rem 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(59,130,246,0.35);
  background: rgba(59,130,246,0.1);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-soft);
}

.cartoon__rollup { text-align: center; }
.cartoon__rollup-workspaces {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}
.cartoon__rollup-ws {
  padding: 0.5rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.cartoon__rollup-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-soft);
  margin: 0.25rem 0;
}
.cartoon__rollup-from {
  padding: 0.65rem 1.4rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: inline-block;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.cartoon__rollup-arrow {
  margin: 1rem 0;
  display: flex;
  justify-content: center;
  color: var(--accent);
  filter: drop-shadow(0 0 10px rgba(59,130,246,0.45));
}
.cartoon__rollup-arrow svg {
  width: 32px;
  height: 32px;
  display: block;
}
.cartoon__rollup-dept {
  padding: 1rem 2rem;
  border-radius: 16px;
  border: 1px solid rgba(59,130,246,0.4);
  background: linear-gradient(145deg, rgba(59,130,246,0.12) 0%, rgba(59,130,246,0.05) 100%);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-soft);
  box-shadow: 0 6px 28px rgba(59,130,246,0.2);
  animation: cartoon-rollup-dept-pulse 4s ease-in-out infinite;
}
@keyframes cartoon-rollup-dept-pulse {
  0%, 100% { box-shadow: 0 6px 28px rgba(59,130,246,0.18); }
  50% { box-shadow: 0 8px 36px rgba(59,130,246,0.28), 0 0 40px rgba(59,130,246,0.08); }
}
.cartoon__rollup-meta { margin-top: 1.15rem; font-size: var(--text-sm); color: var(--text-muted); }
.cartoon__insights { display: flex; flex-direction: column; gap: 0.85rem; }
.cartoon__insight {
  padding: 0.9rem 1.35rem;
  padding-left: 1.5rem;
  border-radius: 12px;
  border-left: 4px solid var(--accent);
  background: linear-gradient(90deg, rgba(59,130,246,0.08) 0%, rgba(59,130,246,0.02) 100%);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.cartoon__return { text-align: center; }
.cartoon__return-center {
  padding: 0.9rem 1.75rem;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(59,130,246,0.2) 0%, rgba(59,130,246,0.1) 100%);
  color: var(--accent-soft);
  font-weight: 700;
  font-size: 1.05rem;
  display: inline-block;
  margin-bottom: 1.15rem;
  border: 1px solid rgba(59,130,246,0.35);
  box-shadow: 0 4px 24px rgba(59,130,246,0.2);
}
.cartoon__return-targets { display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center; }
.cartoon__return-targets span {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.05);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.cartoon__loop { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 0.5rem; font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }
.cartoon__loop span:nth-child(odd) { color: var(--accent-soft); }
.cartoon__loop--cycle {
  flex-direction: column;
  gap: 0.25rem;
}
.cartoon__loop--cycle span:nth-child(odd) { color: inherit; }
.cartoon__loop-arr {
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
}
.cartoon__loop--cycle .cartoon__loop-arr { color: var(--accent); }
.cartoon__visual--final {
  flex: none;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1.25rem;
  max-width: 42em;
  margin: 0 auto;
  gap: 0;
}
.cartoon__final-intro {
  margin: 0 0 1.25rem;
  font-size: clamp(1rem, 2.5vw, 1.3125rem);
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.cartoon__final-line {
  margin: 0 0 1.25rem;
  font-size: clamp(1.5rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #fff;
  animation: cartoon-final-glow 4s ease-in-out infinite;
  position: relative;
  padding-top: 1rem;
}
.cartoon__final-line::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(120px, 40%);
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
}
@keyframes cartoon-final-glow {
  0%, 100% { text-shadow: 0 0 20px rgba(255,255,255,0.08), 0 0 40px rgba(59,130,246,0.06); }
  50% { text-shadow: 0 0 28px rgba(255,255,255,0.12), 0 0 60px rgba(59,130,246,0.12); }
}
.cartoon__final-brand {
  margin: 0;
  font-size: clamp(1.0625rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--accent-soft);
  text-shadow: 0 0 40px rgba(59,130,246,0.3);
  animation: cartoon-final-brand-pulse 3s ease-in-out infinite;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
@keyframes cartoon-final-brand-pulse {
  0%, 100% { text-shadow: 0 0 30px rgba(59,130,246,0.25), 0 0 50px rgba(59,130,246,0.1); }
  50% { text-shadow: 0 0 50px rgba(59,130,246,0.4), 0 0 80px rgba(59,130,246,0.2); }
}

/* Адаптив: последний блок и мультик на узких экранах */
@media (max-width: 640px) {
  .cartoon__header {
    padding: 0.5rem 0.75rem;
    padding-top: max(0.5rem, env(safe-area-inset-top));
    min-height: 48px;
  }
  .cartoon__close {
    width: 44px;
    height: 44px;
  }
  .cartoon__strip {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
  .cartoon__card-actions {
    min-height: 40px;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .cartoon__exec-graph {
    gap: 0.75rem 0.5rem;
  }
  .cartoon__exec-cell {
    padding: 0.85rem 1rem;
    max-width: 160px;
    flex: 0 1 auto;
  }
  .cartoon__exec-stage-label {
    font-size: 0.9rem;
  }
  .cartoon__exec-badge {
    font-size: 0.75rem;
    padding: 0.35rem 0.6rem;
  }
  .cartoon__exec-result {
    font-size: 0.8rem;
    padding: 0.4rem 0.7rem;
  }
  .cartoon__exec-arrow {
    font-size: 1.25rem;
  }
  .cartoon__block {
    padding-left: 3rem;
    padding-right: 1rem;
    padding-top: 1.5rem;
    padding-bottom: 1rem;
  }
  .cartoon__block--final {
    padding-bottom: 3rem;
  }
  .cartoon__block-inner--final {
    padding: 1.5rem 1.25rem;
  }
  .cartoon__block-inner {
    padding: 1.5rem 1.25rem;
    max-width: 100%;
  }
  .cartoon__block-connector {
    left: 1rem;
    width: 1.5rem;
  }
  .cartoon__final-line {
    font-size: clamp(1.375rem, 5.5vw, 2.25rem);
    margin-bottom: 1rem;
    word-break: break-word;
    padding-top: 0.875rem;
  }
  .cartoon__final-line::before {
    width: min(100px, 35%);
    height: 2px;
  }
  .cartoon__final-intro {
    font-size: clamp(1rem, 4vw, 1.2rem);
    margin-bottom: 1rem;
  }
  .cartoon__final-brand {
    font-size: clamp(1rem, 4vw, 1.25rem);
    line-height: 1.4;
  }
  .cartoon__visual--final {
    padding: 0.5rem 0.25rem;
  }
}
@media (max-width: 480px) {
  .cartoon__header {
    padding: 0.5rem 0.5rem;
    padding-top: max(0.5rem, env(safe-area-inset-top));
    padding-right: max(0.5rem, env(safe-area-inset-right));
    min-height: 44px;
  }
  .cartoon__close {
    width: 40px;
    height: 40px;
  }
  .cartoon__close svg {
    width: 18px;
    height: 18px;
  }
  .cartoon__strip {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  .cartoon__card-actions {
    min-height: 36px;
    margin-bottom: 0.5rem;
  }
  .cartoon__card-eye {
    width: 36px;
    height: 36px;
  }
  .cartoon__card-eye svg {
    width: 18px;
    height: 18px;
  }
  .cartoon__exec-graph {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.6rem 0.4rem;
  }
  .cartoon__exec-cell {
    flex: 0 1 auto;
    max-width: 140px;
    padding: 0.75rem 0.9rem;
  }
  .cartoon__exec-stage-label {
    font-size: 0.85rem;
  }
  .cartoon__exec-badge {
    font-size: 0.7rem;
    padding: 0.3rem 0.5rem;
  }
  .cartoon__exec-flow {
    font-size: 0.7rem;
  }
  .cartoon__exec-result {
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
  }
  .cartoon__exec-arrow {
    font-size: 1.1rem;
  }
  .cartoon__block {
    padding-left: 2rem;
    padding-right: 0.75rem;
    padding-top: 1.25rem;
  }
  .cartoon__block--final {
    padding-bottom: 2.5rem;
  }
  .cartoon__block-inner--final {
    padding: 1.25rem 1rem;
  }
  .cartoon__block-inner {
    padding: 1.25rem 1rem;
    border-radius: 16px;
  }
  .cartoon__block-connector {
    left: 0.75rem;
    width: 1.25rem;
  }
  .cartoon__final-line {
    font-size: clamp(1.25rem, 6.5vw, 1.875rem);
    margin-bottom: 1rem;
    padding-top: 0.75rem;
  }
  .cartoon__final-line::before {
    width: min(80px, 45%);
    height: 2px;
  }
  .cartoon__final-intro {
    font-size: clamp(0.9375rem, 4.5vw, 1.1rem);
    margin-bottom: 0.875rem;
  }
  .cartoon__final-brand {
    font-size: clamp(0.9375rem, 4.5vw, 1.125rem);
    line-height: 1.4;
  }
  .cartoon__visual--final {
    padding: 0.5rem 0.25rem;
  }
  .cartoon__spine {
    left: 1rem;
  }
}

/* Кнопка «Далее» под последним открытым звеном */
.cartoon__next-wrap {
  display: flex;
  justify-content: center;
  padding: 1.25rem 0 1rem;
  flex-shrink: 0;
}
.cartoon__next-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, rgba(59,130,246,0.85) 100%);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.cartoon__next-inline:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(59,130,246,0.45);
  background: linear-gradient(135deg, rgba(96,165,250,1) 0%, var(--accent) 100%);
}
.cartoon__next-inline:active {
  transform: translateY(0);
}
.cartoon__next-inline-icon {
  font-size: 1.1em;
  line-height: 1;
  opacity: 0.95;
}
@media (prefers-reduced-motion: reduce) {
  .cartoon__spine::before { animation: none; }
  .cartoon__spine::after { animation: none; }
  .cartoon__final-line { animation: none; text-shadow: 0 0 20px rgba(255,255,255,0.08); }
  .cartoon__final-brand { animation: none; }
  .cartoon__merge-to { animation: none; }
  .cartoon__org-node--root { animation: none; }
  .cartoon__rollup-dept { animation: none; }
}
.cartoon__nav {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 1.5rem 1.5rem;
  background: linear-gradient(to top, var(--bg-deep) 60%, transparent);
  flex-shrink: 0;
  pointer-events: auto;
}
.cartoon__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.cartoon__nav-btn:hover:not(:disabled) { background: var(--bg-card-hover); color: var(--text-primary); border-color: var(--border-strong); }
.cartoon__nav-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.cartoon__nav-stop { font-size: 0.95rem; }
.cartoon__progress { width: 120px; height: 4px; border-radius: 2px; background: var(--border-subtle); overflow: hidden; }
.cartoon__progress-bar { height: 100%; width: 0%; background: var(--accent); border-radius: 2px; transition: width 0.15s linear; }
.cartoon__dots { display: flex; gap: 0.35rem; }
.cartoon__dot { width: 6px; height: 6px; padding: 0; border: none; border-radius: 50%; background: var(--border-mid); cursor: pointer; transition: background 0.2s ease, transform 0.2s ease; }
.cartoon__dot:hover { background: var(--text-muted); }
.cartoon__dot.is-active { background: var(--accent); transform: scale(1.25); }
.cartoon__play {
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  position: relative;
}
.cartoon__play:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.cartoon__play.is-paused::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -8px 0 0 -6px;
  border: 8px solid transparent;
  border-left: 12px solid currentColor;
  border-right: none;
}
.cartoon__play:not(.is-paused)::before,
.cartoon__play:not(.is-paused)::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 14px;
  margin: -7px 0 0 -8px;
  background: currentColor;
  border-radius: 1px;
}
.cartoon__play:not(.is-paused)::after { margin-left: 2px; }

/* Галерея скриншотов в мультике */
.cartoon-gallery {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.cartoon-gallery.is-open {
  opacity: 1;
  visibility: visible;
}
.cartoon-gallery--single .cartoon-gallery__nav { display: none; }
.cartoon-gallery__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  cursor: pointer;
}
.cartoon-gallery__wrap {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 1000px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
@media (max-width: 640px) {
  .cartoon-gallery__wrap {
    width: 94vw;
    height: 82vh;
    max-height: calc(100vh - 4rem);
    margin: auto;
  }
  .cartoon-gallery__stage {
    padding: 1.25rem;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
  }
}
.cartoon-gallery__close {
  position: absolute;
  top: -3rem;
  right: 0;
  z-index: 2;
  width: 44px;
  height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
@media (max-width: 640px) {
  .cartoon-gallery__close {
    position: fixed;
    top: max(0.5rem, env(safe-area-inset-top));
    right: max(0.5rem, env(safe-area-inset-right));
    width: 40px;
    height: 40px;
  }
  .cartoon-gallery__close svg { width: 20px; height: 20px; }
}
.cartoon-gallery__close:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.35);
}
.cartoon-gallery__close svg { width: 22px; height: 22px; }
.cartoon-gallery__nav {
  position: absolute;
  top: 50%;
  margin-top: -20px;
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.cartoon-gallery__nav:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.4);
  transform: scale(1.05);
}
.cartoon-gallery__nav--prev { left: 0.75rem; }
.cartoon-gallery__nav--next { right: 0.75rem; }
.cartoon-gallery__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}
.cartoon-gallery__nav:disabled:hover { background: rgba(255,255,255,0.06); transform: none; }
.cartoon-gallery__stage {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 16px;
  background: rgba(0,0,0,0.4);
}
.cartoon-gallery__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform 0.25s ease;
}
.cartoon-gallery__img.is-zoomed {
  cursor: grab;
}
.cartoon-gallery__dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}
.cartoon-gallery__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.cartoon-gallery__dot:hover { background: rgba(255,255,255,0.5); }
.cartoon-gallery__dot.is-active { background: var(--accent); transform: scale(1.2); }

.hero__actions--single { margin-top: 1rem; margin-bottom: 0; }
.hero__cta-caption {
  display: inline-flex;
  align-items: center;
  margin-right: 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ========== Modal «Как это работает» ========== */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border-subtle);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer .logo { font-size: var(--text-base); }
.footer__copy {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}
.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Все о BiNetwork — виджет
   ============================================ */
.ai-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  font-family: var(--font-body);
}
@media (max-width: 480px) {
  .ai-widget { bottom: 1rem; right: 1rem; }
}

.ai-widget__trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(59, 130, 246, 0.1);
  transition: all 0.25s var(--ease-out-expo);
}
.ai-widget__trigger:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 24px rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
}
.ai-widget__trigger-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-soft);
}
.ai-widget__trigger-icon svg { width: 100%; height: 100%; }

.ai-widget__panel {
  position: absolute;
  bottom: calc(100% + 0.75rem);
  right: 0;
  width: 400px;
  max-width: calc(100vw - 2rem);
  min-height: 420px;
  max-height: min(560px, 85vh);
  height: min(560px, 85vh);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255,255,255,0.04), 0 0 40px -8px rgba(59, 130, 246, 0.2);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.98);
  transition: opacity 0.25s var(--ease-out-expo), transform 0.25s var(--ease-out-expo), visibility 0.25s;
}
.ai-widget__panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
@media (max-width: 480px) {
  .ai-widget__panel { width: calc(100vw - 2rem); right: -0.5rem; min-height: 70vh; max-height: 82vh; height: 82vh; }
}

.ai-widget__header {
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  flex-shrink: 0;
}
.ai-widget__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.ai-widget__close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}
.ai-widget__title {
  font-family: var(--font-head);
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 2rem 0.25rem 0;
  color: var(--text-primary);
}
.ai-widget__subtitle {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

.ai-widget__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}
.ai-widget__conversation {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 1.5rem;
  min-height: 220px;
  scrollbar-width: thin;
  scrollbar-color: rgba(59, 130, 246, 0.35) transparent;
}
.ai-widget__conversation::-webkit-scrollbar {
  width: 8px;
}
.ai-widget__conversation::-webkit-scrollbar-track {
  background: transparent;
}
.ai-widget__conversation::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  border: 2px solid var(--bg-card);
}
.ai-widget__conversation::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.4);
}
.ai-widget__empty {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.ai-widget__empty p { margin: 0 0 0.5rem; }
.ai-widget__cta {
  margin: 0.75rem 0 0.5rem;
  font-size: var(--text-sm);
  color: var(--accent-soft);
  font-weight: 500;
}
.ai-widget__example {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}
.ai-widget__example em { color: var(--accent-soft); font-style: normal; }

.ai-widget__messages {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.ai-widget__msg {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.55;
}
.ai-widget__msg--user {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  align-self: flex-end;
  max-width: 90%;
}
.ai-widget__msg--ai {
  background: var(--accent-dim);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--text-primary);
  align-self: flex-start;
  max-width: 90%;
}
.ai-widget__msg--loading {
  align-self: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}
.ai-widget__msg--loading::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  margin-left: 2px;
  background: var(--accent-soft);
  animation: aiWidgetBlink 0.8s ease-in-out infinite;
  vertical-align: -0.2em;
}
@keyframes aiWidgetBlink {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.ai-widget__form {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.ai-widget__input {
  flex: 1;
  min-height: 44px;
  max-height: 120px;
  padding: 0.65rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.5;
  resize: none;
  transition: border-color 0.2s;
}
.ai-widget__input::placeholder { color: var(--text-muted); }
.ai-widget__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}
.ai-widget__send {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.ai-widget__send:hover {
  background: var(--accent-soft);
  transform: scale(1.05);
}
.ai-widget__send:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.ai-widget__send svg { width: 20px; height: 20px; }