:root {
  --bg: #050508;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.16);
  --text: #f0f0f5;
  --text-secondary: #a0a1b0;
  --text-muted: #5a5b6a;
  --purple: #7c5cfc;
  --purple-soft: rgba(124, 92, 252, 0.15);
  --purple-glow: rgba(124, 92, 252, 0.3);
  --blue: #3b82f6;
  --blue-soft: rgba(59, 130, 246, 0.12);
  --green: #10b981;
  --green-soft: rgba(16, 185, 129, 0.12);
  --orange: #f59e0b;
  --orange-soft: rgba(245, 158, 11, 0.12);
  --cyan: #06b6d4;
  --pink: #ec4899;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-2xl: 40px;
  --icon-xs: 14px;
  --icon-sm: 16px;
  --icon-md: 20px;
  --icon-lg: 24px;
  --icon-xl: 28px;
  --icon-2xl: 32px;
  --font-main: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Unbounded', 'Outfit', sans-serif;
  --font-accent: 'Outfit', 'Manrope', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 0.2s;
  --duration: 0.35s;
  --duration-slow: 0.6s;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ——— 2026 Icon system: unified stroke style ——— */
.icon,
.badge svg, .section__tag svg, .fits-card__icon svg, .feature-card__icon-wrap svg,
.step-card__icon svg, .pricing-card__list svg, .btn svg, .footer__social svg,
.chat-msg__avatar svg, .zoom-participant__avatar svg, .zoom-btn svg,
.program-card__toggle svg, .code-check svg, .chat-msg__check svg {
  stroke-linecap: round;
  stroke-linejoin: round;
}

#particles { position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: 0.4; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== Keyframes ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.55; transform: translateX(-50%) scale(1.12); }
}
@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes avatarFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes borderGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(124, 92, 252, 0.15); }
  50% { box-shadow: 0 0 40px rgba(124, 92, 252, 0.25); }
}
@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(80px, -60px) scale(1.1); }
  50% { transform: translate(-40px, 40px) scale(0.95); }
  75% { transform: translate(60px, 80px) scale(1.05); }
}
@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-70px, 50px) scale(1.08); }
  50% { transform: translate(50px, -80px) scale(0.92); }
  75% { transform: translate(-60px, -40px) scale(1.12); }
}
@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1.05); }
  33% { transform: translate(100px, 30px) scale(0.95); }
  66% { transform: translate(-50px, -70px) scale(1.1); }
}
@keyframes borderShimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ========== Liquid Glass Background Orbs ========== */
.liquid-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.liquid-bg__orb {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.35;
  will-change: transform;
}
.liquid-bg--js .liquid-bg__orb { animation: none; }
.liquid-bg__orb--1 {
  width: 600px; height: 600px; top: -10%; left: -5%;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.5), transparent 70%);
  animation: orbFloat1 20s ease-in-out infinite;
}
.liquid-bg__orb--2 {
  width: 500px; height: 500px; top: 30%; right: -10%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.4), transparent 70%);
  animation: orbFloat2 25s ease-in-out infinite;
}
.liquid-bg__orb--3 {
  width: 450px; height: 450px; bottom: 10%; left: 20%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.35), transparent 70%);
  animation: orbFloat3 22s ease-in-out infinite;
}
.liquid-bg__orb--4 {
  width: 350px; height: 350px; top: 60%; right: 25%;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.3), transparent 70%);
  animation: orbFloat1 18s ease-in-out infinite reverse;
}
.liquid-bg__orb--5 {
  width: 300px; height: 300px; top: 15%; left: 45%;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.25), transparent 70%);
  animation: orbFloat2 30s ease-in-out infinite;
}

/* Glass Card — Liquid Glass */
.glass-card {
  position: relative;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(255, 255, 255, 0.02) 50%,
    rgba(255, 255, 255, 0.05) 100%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: transform var(--duration) var(--ease-out-expo),
    border-color var(--transition),
    background var(--transition),
    box-shadow var(--duration-slow);
  will-change: transform;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(
    300px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255, 255, 255, 0.06),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none; z-index: 1;
}
.glass-card:hover::before { opacity: 1; }
.glass-card::after {
  content: '';
  position: absolute; inset: -1px; border-radius: inherit;
  background: linear-gradient(
    130deg,
    rgba(255, 255, 255, 0.15) 0%,
    transparent 40%,
    transparent 60%,
    rgba(255, 255, 255, 0.08) 100%
  );
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  padding: 1px;
  pointer-events: none; z-index: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.glass-card:hover::after { opacity: 1; }
.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.03) 50%,
    rgba(255, 255, 255, 0.06) 100%);
  transform: translateY(-4px);
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.pricing-card--featured:hover {
  animation: borderGlow 3s ease-in-out infinite;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--purple), #a78bfa, #c084fc);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 6s ease infinite;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-main); font-weight: 600; font-size: 0.95rem;
  border: none; border-radius: 100px; cursor: pointer;
  transition: var(--transition); padding: 12px 28px; white-space: nowrap;
  text-decoration: none;
}
.btn--primary {
  background: linear-gradient(135deg, var(--purple) 0%, #6a4ce0 100%);
  color: #fff;
  box-shadow: 0 0 24px var(--purple-glow), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: transform var(--duration) var(--ease-spring), background var(--transition), box-shadow var(--duration);
  position: relative; overflow: hidden;
}
.btn--primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.3s ease;
}
.btn--primary:hover::before { opacity: 1; }
.btn--primary:hover {
  box-shadow: 0 0 48px var(--purple-glow), 0 8px 32px rgba(124, 92, 252, 0.3), inset 0 1px 0 rgba(255,255,255,0.2);
  transform: translateY(-4px) scale(1.02);
}
.btn--primary:active { transform: translateY(-2px) scale(0.98); }
.btn--glass {
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: transform var(--duration) var(--ease-spring), background var(--transition), border-color var(--transition), box-shadow var(--duration);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.btn--glass:hover {
  background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
  border-color: var(--glass-border-hover); transform: translateY(-4px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 32px rgba(0, 0, 0, 0.2);
}
.btn--glass:active { transform: translateY(-2px); }
.btn svg { width: 1.1em; height: 1.1em; flex-shrink: 0; }
.btn--lg { padding: 16px 36px; font-size: 1rem; }
.btn--xl { padding: 20px 48px; font-size: 1.1rem; }
.btn--xl svg { width: 1.15em; height: 1.15em; }

/* Badge — 2026 */
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: 100px;
  font-family: var(--font-accent); font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.02em;
}
.badge svg { width: var(--icon-xs); height: var(--icon-xs); opacity: 0.85; }
.badge--glass {
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px); color: var(--text-secondary);
  transition: transform var(--duration) var(--ease-spring), background var(--transition), border-color var(--transition);
}
.badge--glass:hover { transform: scale(1.03); border-color: var(--glass-border-hover); }

/* Header — Liquid Glass */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: all 0.5s var(--ease-out-expo);
  background: transparent;
}
.header.scrolled {
  background: linear-gradient(180deg,
    rgba(5, 5, 8, 0.7) 0%,
    rgba(5, 5, 8, 0.5) 100%);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo {
  display: flex; align-items: baseline; font-family: var(--font-display); font-weight: 700;
  font-size: 1.45rem; letter-spacing: -0.03em;
  transition: opacity var(--duration);
}
.logo:hover { opacity: 0.9; }
.logo__text { color: var(--text); }
.logo__accent { color: var(--purple); }

.nav { display: flex; gap: 32px; }
.nav__link {
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); position: relative;
}
.nav__link::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--purple); border-radius: 2px;
  transition: var(--transition);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }

.burger {
  display: none; flex-direction: column; gap: 6px;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 12px; cursor: pointer; padding: 10px;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  transition: var(--transition); position: relative; z-index: 1001;
}
.burger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.burger.active { background: var(--purple-soft); border-color: rgba(124, 92, 252, 0.2); }
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Hero — Liquid Glass */
.hero {
  position: relative; z-index: 1; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 140px 0 80px; overflow: hidden;
}
.hero__glow {
  position: absolute; width: 600px; height: 600px;
  background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
  top: 10%; left: 50%; transform: translateX(-50%);
  filter: blur(100px); opacity: 0.4; pointer-events: none;
  animation: glowPulse 5s ease-in-out infinite;
}
.hero__glow--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, transparent 70%);
  top: 40%; left: 30%; transform: none;
  animation: float 8s ease-in-out infinite;
  animation-delay: 2s;
  filter: blur(80px);
}
.hero__content { position: relative; z-index: 1; }
.hero__badges {
  display: flex; gap: 10px; justify-content: center; align-items: center;
  flex-wrap: wrap; margin-bottom: 32px;
  animation: fadeUp 0.9s var(--ease-out-expo) 0.05s both;
}
.hero__title {
  font-family: var(--font-display); font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 800; line-height: 1.2; max-width: 900px; margin: 0 auto 24px;
  letter-spacing: -0.02em;
  animation: fadeUp 1s var(--ease-out-expo) 0.15s both;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem); color: var(--text-secondary);
  max-width: 680px; margin: 0 auto 40px;
  animation: fadeUp 1s var(--ease-out-expo) 0.3s both;
}
.hero__actions {
  display: flex; gap: 16px; justify-content: center; align-items: center;
  flex-wrap: wrap; margin-bottom: 56px;
  animation: fadeUp 1s var(--ease-out-expo) 0.45s both;
}
.hero__stats {
  display: inline-flex; align-items: center; gap: 32px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  padding: 16px 40px;
  animation: fadeUp 1s var(--ease-out-expo) 0.6s both;
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration-slow), border-color var(--transition);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.hero__stats:hover {
  transform: scale(1.03);
  box-shadow: 0 0 50px rgba(124, 92, 252, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}
.stat { text-align: center; display: flex; flex-direction: column; align-items: center; }
.stat__number { font-family: var(--font-display); font-size: 2rem; font-weight: 700; line-height: 1; letter-spacing: -0.02em; }
.stat__plus { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--purple); }
.stat__label { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.12em; }
.stat__divider { width: 1px; height: 32px; background: var(--glass-border); }

.hero__scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  animation: fadeUp 1s var(--ease-out-expo) 0.75s both;
}
.mouse {
  width: 26px; height: 40px; border: 2px solid var(--text-muted); border-radius: 13px;
  display: flex; justify-content: center; padding-top: 8px;
  transition: border-color var(--transition), transform var(--duration);
  animation: float 2.5s ease-in-out infinite;
}
.mouse:hover { border-color: var(--purple); transform: translateY(4px); }
.mouse__wheel { width: 3px; height: 8px; background: var(--purple); border-radius: 2px; animation: scrollWheel 2s ease-in-out infinite; }

/* Section Commons — 2026 hierarchy */
.section { position: relative; z-index: 1; padding: 110px 0; overflow: hidden; }
.section__header { text-align: center; margin-bottom: 56px; max-width: 720px; margin-left: auto; margin-right: auto; }
.section__tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-accent); font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--purple);
  margin-bottom: 20px; padding: 10px 24px;
  background: rgba(124, 92, 252, 0.08);
  border: 1px solid rgba(124, 92, 252, 0.18);
  border-radius: 100px;
  backdrop-filter: blur(12px);
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration), background var(--transition), border-color var(--transition);
}
.section__tag svg { width: var(--icon-sm); height: var(--icon-sm); flex-shrink: 0; opacity: 0.9; }
.reveal.visible .section__tag { animation: scaleIn 0.6s var(--ease-out-expo) both; }
.section__tag:hover {
  transform: scale(1.03);
  background: rgba(124, 92, 252, 0.12);
  border-color: rgba(124, 92, 252, 0.28);
}
.section__title {
  font-family: var(--font-display); font-size: clamp(1.75rem, 3.8vw, 2.75rem);
  font-weight: 800; line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.03em;
  transition: opacity var(--duration-slow), transform var(--duration-slow) var(--ease-out-expo);
}
.reveal.visible .section__title { animation: fadeUp 0.7s var(--ease-out-expo) 0.1s both; }
.section__subtitle {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 560px; margin: 0 auto; line-height: 1.65;
  transition: opacity var(--duration-slow);
}
.reveal.visible .section__subtitle { animation: fadeUp 0.7s var(--ease-out-expo) 0.2s both; }

/* Fits Grid — 2026 card icons */
.fits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fits-card {
  padding: 30px; display: flex; flex-direction: column; gap: 18px;
  transition: transform var(--duration) var(--ease-spring);
}
.fits-card .fits-card__icon {
  transition: transform var(--duration) var(--ease-spring), background var(--transition), border-color var(--transition), box-shadow var(--duration);
}
.fits-card:hover .fits-card__icon { transform: scale(1.08); }
.fits-card__icon {
  width: 56px; height: 56px; border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
}
.fits-card__icon svg { width: var(--icon-xl); height: var(--icon-xl); }
.fits-card:hover .fits-card__icon { border-color: rgba(255, 255, 255, 0.12); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2); }
.fits-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.65; }

/* Features Grid — Enhanced */
.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-card {
  padding: 32px; overflow: hidden;
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration-slow);
}
.feature-card:hover { transform: translateY(-4px); }
.feature-card--wide {
  grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px; align-items: center;
}
.feature-card--full { grid-column: span 2; text-align: center; padding: 40px; }
.feature-card--full h3 { margin-bottom: 8px; }
.feature-card--full p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
.feature-card__content h3 {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  margin-bottom: 8px; line-height: 1.3;
  transition: color var(--transition);
}
.feature-card:hover .feature-card__content h3 { color: var(--purple); }
.feature-card__content p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; }
.feature-card__icon-wrap {
  width: 56px; height: 56px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration), background var(--transition), border-color var(--transition);
  position: relative;
  border: 1px solid transparent;
}
.feature-card__icon-wrap svg {
  width: var(--icon-lg); height: var(--icon-lg);
  transition: transform var(--duration) var(--ease-spring);
}
.feature-card:hover .feature-card__icon-wrap {
  transform: scale(1.06) translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}
.feature-card:hover .feature-card__icon-wrap svg { transform: scale(1.05); }
.feature-card__icon-wrap--purple {
  background: linear-gradient(135deg, var(--purple-soft), rgba(124, 92, 252, 0.06));
  border-color: rgba(124, 92, 252, 0.22);
  color: var(--purple);
}
.feature-card__icon-wrap--green {
  background: linear-gradient(135deg, var(--green-soft), rgba(16, 185, 129, 0.06));
  border-color: rgba(16, 185, 129, 0.22);
  color: var(--green);
}
.feature-card__icon-wrap--blue {
  background: linear-gradient(135deg, var(--blue-soft), rgba(59, 130, 246, 0.06));
  border-color: rgba(59, 130, 246, 0.22);
  color: var(--blue);
}
.feature-card__icon-wrap--orange {
  background: linear-gradient(135deg, var(--orange-soft), rgba(245, 158, 11, 0.06));
  border-color: rgba(245, 158, 11, 0.22);
  color: var(--orange);
}
.feature-card__visual {
  transition: transform var(--duration) var(--ease-out-expo);
}
.feature-card:hover .feature-card__visual { transform: scale(1.02); }

/* Code Block Mockup — Liquid Glass */
.code-block {
  background: rgba(0, 0, 0, 0.5); border-radius: var(--radius);
  border: 1px solid var(--glass-border); overflow: hidden;
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), box-shadow var(--duration-slow);
}
.feature-card:hover .code-block {
  border-color: rgba(124, 92, 252, 0.2);
  box-shadow: 0 0 30px rgba(124, 92, 252, 0.08);
}
.code-block__header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--glass-border);
}
.code-block__dot { width: 10px; height: 10px; border-radius: 50%; }
.code-block__dot--red { background: #ff5f57; }
.code-block__dot--yellow { background: #febc2e; }
.code-block__dot--green { background: #28c840; }
.code-block__title { margin-left: 12px; font-size: 0.75rem; color: var(--text-muted); font-family: monospace; }
.code-block__body { padding: 16px; font-family: 'Fira Code', monospace; font-size: 0.85rem; }
.code-line { padding: 4px 0; opacity: 0; animation: fadeUp 0.5s var(--ease-out-expo) both; }
.code-line:nth-child(1) { animation-delay: 0.1s; }
.code-line:nth-child(2) { animation-delay: 0.2s; }
.code-line:nth-child(3) { animation-delay: 0.3s; }
.code-line:nth-child(4) { animation-delay: 0.4s; }
.code-line--glow { color: var(--green); text-shadow: 0 0 16px rgba(16, 185, 129, 0.5); }
.code-check {
  display: inline-flex; align-items: center; vertical-align: middle; margin-right: 4px;
  color: var(--green);
}
.code-kw { color: var(--purple); }
.code-fn { color: var(--blue); }
.code-str { color: var(--green); }

/* Chat Mockup — Liquid Glass */
.chat-mockup {
  background: rgba(0, 0, 0, 0.35); border-radius: var(--radius);
  border: 1px solid var(--glass-border); padding: 16px;
  margin-top: 16px; display: flex; flex-direction: column; gap: 12px;
  backdrop-filter: blur(8px);
}
.chat-msg {
  display: flex; gap: 10px; align-items: flex-start;
  opacity: 0; animation: fadeUp 0.5s var(--ease-out-expo) both;
}
.chat-msg:nth-child(1) { animation-delay: 0.3s; }
.chat-msg:nth-child(2) { animation-delay: 0.6s; }
.chat-msg:nth-child(3) { animation-delay: 0.9s; }
.chat-msg--curator { flex-direction: row-reverse; }
.chat-msg__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration);
  color: var(--text-secondary);
}
.chat-msg__avatar--student {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.08));
  border: 1px solid rgba(59, 130, 246, 0.25);
}
.chat-msg__avatar--curator {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.25), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--green);
}
.chat-msg:hover .chat-msg__avatar { transform: scale(1.08); }
.chat-msg__bubble {
  padding: 12px 16px; border-radius: 14px; font-size: 0.85rem;
  line-height: 1.5; max-width: 85%;
  transition: box-shadow var(--duration);
}
.chat-msg:hover .chat-msg__bubble { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15); }
.chat-msg--student .chat-msg__bubble { background: var(--glass-strong); color: var(--text); border: 1px solid var(--glass-border); }
.chat-msg--curator .chat-msg__bubble { background: var(--purple-soft); color: var(--text); border: 1px solid rgba(124, 92, 252, 0.2); }
.chat-msg__check {
  display: inline-flex; align-items: center; vertical-align: middle; margin-left: 2px;
  color: var(--green);
}
.chat-input {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-radius: 100px;
  background: var(--glass); border: 1px solid var(--glass-border);
  font-size: 0.8rem; color: var(--text-muted); margin-top: 4px;
  transition: border-color var(--transition);
  opacity: 0;
  animation: fadeUp 0.5s var(--ease-out-expo) 1.1s both;
}
.chat-mockup:hover .chat-input { border-color: rgba(255, 255, 255, 0.12); }

/* Community Visual */
.community-visual { margin-top: 20px; text-align: center; }
.community-avatars {
  display: flex; justify-content: center; align-items: center;
  gap: 0; margin-bottom: 16px;
}
.community-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-left: -10px; position: relative;
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  color: var(--text);
  border: 2px solid var(--bg);
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration), z-index 0s;
  animation: communityFloat 4s ease-in-out infinite;
  animation-delay: calc(var(--i) * 0.2s);
}
.community-avatar:first-child { margin-left: 0; }
.community-avatar:hover { transform: translateY(-6px) scale(1.15); z-index: 2; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); }
.community-avatar--1 { background: linear-gradient(135deg, var(--purple-soft), rgba(124, 92, 252, 0.25)); }
.community-avatar--2 { background: linear-gradient(135deg, var(--blue-soft), rgba(59, 130, 246, 0.2)); }
.community-avatar--3 { background: linear-gradient(135deg, var(--green-soft), rgba(16, 185, 129, 0.2)); }
.community-avatar--4 { background: linear-gradient(135deg, var(--orange-soft), rgba(245, 158, 11, 0.2)); }
.community-avatar--5 {
  background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
  font-size: 1rem; color: var(--text-secondary);
}
@keyframes communityFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
.community-label {
  font-size: 0.8rem; color: var(--text-muted); font-weight: 500;
  letter-spacing: 0.02em;
}

/* Zoom Mockup */
.zoom-mockup {
  background: rgba(0, 0, 0, 0.4); border-radius: var(--radius);
  border: 1px solid var(--glass-border); overflow: hidden;
}
.zoom-header {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-bottom: 1px solid var(--glass-border);
}
.zoom-dot { width: 8px; height: 8px; border-radius: 50%; animation: pulse 2s infinite; }
.zoom-dot--red { background: #ff5f57; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.zoom-label { font-size: 0.8rem; color: var(--text-secondary); }
.zoom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; }
.zoom-participant {
  background: var(--glass); border-radius: var(--radius-sm);
  padding: 14px; text-align: center; border: 1px solid var(--glass-border);
  transition: border-color var(--transition), box-shadow var(--duration), transform var(--duration);
}
.zoom-participant:hover { border-color: rgba(255, 255, 255, 0.15); }
.zoom-participant__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  margin: 0 auto 8px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: transform var(--duration) var(--ease-spring), color var(--transition);
}
.zoom-participant:hover .zoom-participant__avatar { transform: scale(1.1); color: var(--text); }
.zoom-participant--you .zoom-participant__avatar--you {
  background: var(--purple-soft); border-color: rgba(124, 92, 252, 0.4);
  color: var(--purple);
}
.zoom-participant--you { border-color: rgba(124, 92, 252, 0.35); box-shadow: 0 0 20px var(--purple-glow); }
.zoom-name { font-size: 0.7rem; color: var(--text-muted); font-weight: 500; }
.zoom-controls {
  display: flex; justify-content: center; gap: 10px; padding: 12px; border-top: 1px solid var(--glass-border);
}
.zoom-btn {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--glass-strong); border: 1px solid transparent;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: background var(--transition), color var(--transition), transform var(--duration) var(--ease-spring);
}
.zoom-btn:hover { background: rgba(255, 255, 255, 0.12); color: var(--text); transform: scale(1.08); }
.zoom-btn--end { background: rgba(239, 68, 68, 0.25); color: #f87171; }
.zoom-btn--end:hover { background: rgba(239, 68, 68, 0.4); color: #fca5a5; }

/* Program Cards — Liquid Glass */
.program-grid { display: flex; flex-direction: column; gap: 16px; }
.program-card { padding: 0; overflow: hidden; cursor: pointer; }
.program-card__header {
  display: flex; align-items: center; gap: 20px; padding: 24px 28px;
}
.program-card__num {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 800;
  color: var(--purple); min-width: 44px;
  transition: transform var(--duration) var(--ease-spring);
}
.program-card.open .program-card__num { transform: scale(1.1); }
.program-card__title {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 4px;
  transition: color var(--transition);
}
.program-card.open .program-card__title { color: var(--purple); }
.program-card__desc { font-size: 0.9rem; color: var(--text); opacity: 0.8; }
.program-card__toggle {
  margin-left: auto; flex-shrink: 0; width: 40px; height: 40px;
  border-radius: 50%; background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s var(--ease-spring), background var(--duration), border-color var(--transition);
}
.program-card__toggle svg { width: var(--icon-md); height: var(--icon-md); }
.program-card.open .program-card__toggle {
  transform: rotate(45deg); background: var(--purple-soft);
  border-color: rgba(124, 92, 252, 0.35);
}
.program-card__body {
  max-height: 0; overflow: hidden; padding: 0 28px;
  transition: max-height 0.6s var(--ease-out-expo), padding 0.4s ease, opacity 0.3s ease;
  opacity: 0;
}
.program-card.open .program-card__body {
  max-height: 9999px; padding: 0 28px 24px; opacity: 1;
}
.program-card__header {
  transition: background var(--transition);
}
.program-card:hover .program-card__header { background: rgba(255, 255, 255, 0.02); }
.program-card--bonus .program-card__num { color: var(--orange); }
.program-card__list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.program-card__list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--text-secondary);
}
.program-card__list li svg { flex-shrink: 0; }
.program-card__result {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; font-size: 0.9rem;
  background: var(--green-soft); border-color: rgba(16, 185, 129, 0.12);
}
.program-card__result svg { flex-shrink: 0; }
.program-card__result strong { color: var(--text); margin-right: 4px; }

/* Lesson list (details/summary) */
.lesson-list { display: flex; flex-direction: column; gap: 0; }
.lesson {
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.25s ease;
}
.lesson:hover { background: rgba(255, 255, 255, 0.02); }
.lesson:last-child { border-bottom: none; }
.lesson__head {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0; cursor: pointer; list-style: none;
  font-family: var(--font-accent); font-size: 0.95rem; font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
}
.lesson__head:hover { color: var(--purple); }
.lesson__head::-webkit-details-marker { display: none; }
.lesson__head::before {
  content: ''; display: inline-block; width: 20px; height: 20px; flex-shrink: 0;
  border: 1px solid var(--glass-border); border-radius: 6px;
  background: var(--glass);
  transition: transform 0.35s var(--ease-spring), border-color var(--transition), background var(--transition);
}
.lesson[open] .lesson__head::before {
  transform: rotate(90deg); border-color: var(--purple);
  background: var(--purple-soft);
}
.lesson__num {
  min-width: 28px; height: 28px; display: inline-flex; align-items: center; justify-content: center;
  background: var(--purple-soft); color: var(--purple); border-radius: 8px;
  font-size: 0.8rem; font-weight: 700;
  transition: transform var(--duration) var(--ease-spring), background var(--transition);
}
.lesson[open] .lesson__num { transform: scale(1.08); }
.lesson__title { flex: 1; line-height: 1.35; color: var(--text); }
.lesson__content {
  padding: 0 0 20px 44px;
  animation: fadeUp 0.4s var(--ease-out-expo) both;
}
.lesson__content p {
  font-size: 0.9rem; color: var(--text); line-height: 1.7;
  margin-bottom: 10px;
}
.lesson__content p:last-child { margin-bottom: 0; }
.lesson__content strong { color: var(--purple); font-weight: 700; }
.lesson__tools { margin-top: 8px; }

/* Pricing Grid — Liquid Glass */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.pricing-grid--single {
  grid-template-columns: 1fr;
  max-width: 480px;
  margin: 0 auto;
}
.pricing-card {
  padding: 36px; position: relative; display: flex; flex-direction: column;
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration-slow);
}
.pricing-card:hover { transform: translateY(-6px); }
.pricing-card--featured {
  border-color: rgba(124, 92, 252, 0.4);
  box-shadow: 0 0 60px var(--purple-glow), inset 0 1px 0 rgba(124, 92, 252, 0.2);
  background: linear-gradient(135deg,
    rgba(124, 92, 252, 0.08) 0%,
    rgba(124, 92, 252, 0.02) 50%,
    rgba(124, 92, 252, 0.06) 100%);
}
.pricing-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 4px 20px; border-radius: 100px; font-size: 0.75rem; font-weight: 700;
  background: var(--purple); color: #fff; letter-spacing: 0.05em;
  text-transform: uppercase;
}
.pricing-card__header { margin-bottom: 24px; }
.pricing-card__header h3 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
.pricing-card__sub { font-size: 0.85rem; color: var(--text-secondary); }
.pricing-card__list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; flex-grow: 1; }
.pricing-card__list li { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.4; }
.pricing-card__list li svg { flex-shrink: 0; width: var(--icon-sm); height: var(--icon-sm); }
.pricing-card__btn { width: 100%; justify-content: center; }

/* Steps Grid — 2026 */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step-card {
  padding: 32px 24px; text-align: center;
  transition: transform var(--duration) var(--ease-spring), box-shadow var(--duration);
}
.step-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25); }
.step-card__icon {
  width: 56px; height: 56px; border-radius: 18px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--duration) var(--ease-spring), border-color var(--transition), box-shadow var(--duration);
}
.step-card__icon svg { width: var(--icon-xl); height: var(--icon-xl); }
.step-card:hover .step-card__icon { transform: scale(1.08); border-color: rgba(255, 255, 255, 0.12); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2); }
.step-card h4 { font-family: var(--font-accent); font-size: 0.95rem; font-weight: 600; line-height: 1.4; }

/* CTA Section — Liquid Glass */
.cta-section { position: relative; overflow: hidden; }
.cta-section__glow {
  position: absolute; width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.35) 0%, transparent 60%);
  bottom: -300px; left: 50%; transform: translateX(-50%);
  filter: blur(120px); opacity: 0.4; pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite;
}
.cta-block {
  text-align: center; padding: 72px 48px; position: relative; z-index: 1;
  background: linear-gradient(135deg,
    rgba(124, 92, 252, 0.06) 0%,
    rgba(124, 92, 252, 0.02) 50%,
    rgba(59, 130, 246, 0.04) 100%);
  border-color: rgba(124, 92, 252, 0.15);
  border-radius: var(--radius-xl);
}
.cta-block:hover { border-color: rgba(124, 92, 252, 0.25); }
.cta-block .section__tag { margin-bottom: 24px; }
.cta-block__title {
  font-family: var(--font-display); font-size: clamp(1.75rem, 3.8vw, 2.75rem);
  font-weight: 800; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.03em;
}
.cta-block__desc { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 40px; line-height: 1.7; }

/* Footer — Liquid Glass */
.footer {
  position: relative; z-index: 1; padding: 80px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(180deg, transparent 0%, rgba(124, 92, 252, 0.03) 100%);
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin-top: 12px; max-width: 280px; }
.footer__socials { display: flex; gap: 12px; margin-top: 8px; }
.footer__social {
  width: 44px; height: 44px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: all var(--duration) var(--ease-spring);
}
.footer__social svg { width: var(--icon-md); height: var(--icon-md); }
.footer__social:hover {
  background: var(--purple-soft); border-color: rgba(124, 92, 252, 0.3);
  color: var(--purple); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124, 92, 252, 0.15);
}
.footer__heading {
  font-family: var(--font-accent); font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--text);
  margin-bottom: 12px;
}
.footer__link {
  font-size: 0.9rem; color: var(--text-secondary);
  transition: color var(--transition), transform var(--duration);
  display: inline-block;
}
.footer__link:hover { color: var(--text); transform: translateX(4px); }
.footer__cta-btn { font-size: 0.85rem; padding: 12px 24px; margin-top: 4px; }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap; gap: 16px;
}
.footer__legal { font-size: 0.8rem; color: var(--text-muted); }
.footer__legal p { margin-bottom: 4px; }
.footer__legal-links { display: flex; gap: 16px; }
.footer__legal-links a { color: var(--text-secondary); transition: var(--transition); }
.footer__legal-links a:hover { color: var(--text); }
.footer__credit { font-size: 0.8rem; color: var(--text-muted); font-style: italic; text-align: right; }
.footer__credit strong { color: var(--text-secondary); font-style: normal; }
.footer__tagline { display: block; margin-top: 4px; font-size: 0.75rem; opacity: 0.85; }

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
  transition-delay: 0s;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children when parent has .reveal--stagger */
.reveal--stagger > * {
  opacity: 0 !important;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}
.reveal--stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal--stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal--stagger.visible > *:nth-child(3) { transition-delay: 0.19s; }
.reveal--stagger.visible > *:nth-child(4) { transition-delay: 0.26s; }
.reveal--stagger.visible > *:nth-child(5) { transition-delay: 0.33s; }
.reveal--stagger.visible > *:nth-child(6) { transition-delay: 0.4s; }
.reveal--stagger.visible > *:nth-child(7) { transition-delay: 0.47s; }
.reveal--stagger.visible > * { opacity: 1 !important; transform: translateY(0); }

/* Scroll Progress */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--purple), #a78bfa, var(--blue));
  background-size: 200% 100%;
  z-index: 1001; width: 0%;
  transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  animation: gradientShift 4s linear infinite;
}

/* ========== Responsive: Tablet ========== */
@media (max-width: 1024px) {
  .container { padding-left: 24px; padding-right: 24px; }
  .fits-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-card--wide { grid-column: auto; grid-template-columns: 1fr; gap: 24px; }
  .feature-card--full { grid-column: auto; padding: 32px 24px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; gap: 16px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* ========== Responsive: Mobile (тщательная переработка) ========== */
@media (max-width: 768px) {
  html { scroll-padding-top: 72px; }
  .container { padding-left: 20px; padding-right: 20px; }

  /* Header */
  .header { padding: 12px 0; }
  .header.scrolled { padding: 10px 0; }
  .header__inner { gap: 16px; }
  .logo { font-size: 1.35rem; }
  .header__cta { display: none; }
  .burger {
    display: flex;
    width: 48px; height: 48px;
    min-width: 48px; min-height: 48px;
    padding: 12px;
    border-radius: 14px;
  }

  /* Full-screen nav */
  .nav {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(5, 5, 8, 0.96);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    flex-direction: column; align-items: stretch; justify-content: center;
    gap: 0; opacity: 0; visibility: hidden;
    transition: opacity 0.4s var(--ease-out-expo), visibility 0.4s;
    display: flex !important;
    padding: max(env(safe-area-inset-top), 24px) 24px max(env(safe-area-inset-bottom), 32px);
  }
  .nav.open { opacity: 1; visibility: visible; }
  .nav::before {
    content: ''; position: absolute; top: -80px; left: 50%;
    transform: translateX(-50%); width:  min(100vw, 500px); height: 500px;
    background: radial-gradient(circle, rgba(124, 92, 252, 0.18) 0%, transparent 65%);
    filter: blur(70px); pointer-events: none;
    animation: glowPulse 5s ease-in-out infinite;
  }
  .nav__link {
    font-family: var(--font-display); font-size: 1.35rem; font-weight: 600;
    padding: 20px 16px; min-height: 56px;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform: translateY(16px); opacity: 0;
    transition: transform 0.35s var(--ease-out-expo), opacity 0.35s;
  }
  .nav__link::after { display: none; }
  .nav__link:last-child { border-bottom: none; }
  .nav.open .nav__link { transform: translateY(0); opacity: 1; }
  .nav.open .nav__link:nth-child(1) { transition-delay: 0.06s; }
  .nav.open .nav__link:nth-child(2) { transition-delay: 0.12s; }
  .nav.open .nav__link:nth-child(3) { transition-delay: 0.18s; }
  .nav.open .nav__link:nth-child(4) { transition-delay: 0.24s; }

  /* Hero */
  .hero {
    min-height: auto;
    padding: 120px 0 64px;
    padding-top: max(100px, env(safe-area-inset-top));
  }
  .hero__badges {
    flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 10px;
    margin-bottom: 24px;
  }
  .badge { padding: 10px 16px; font-size: 0.78rem; }
  .hero__title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    line-height: 1.25; margin-bottom: 20px;
    padding: 0 4px;
  }
  .hero__subtitle {
    font-size: 0.95rem; line-height: 1.6;
    margin-bottom: 32px; padding: 0 4px;
  }
  .hero__actions {
    flex-direction: column; align-items: stretch;
    gap: 12px; margin-bottom: 40px;
  }
  .hero__actions .btn {
    width: 100%; justify-content: center;
    padding: 16px 24px;
  }
  .hero__stats {
    flex-wrap: wrap; justify-content: center;
    gap: 20px; padding: 20px 24px;
    border-radius: var(--radius-lg);
    max-width: 100%;
  }
  .stat__divider { display: none; }
  .stat { min-width: 64px; }
  .stat__number { font-size: 1.75rem; }
  .stat__label { font-size: 0.65rem; letter-spacing: 0.1em; }
  .hero__scroll-indicator { bottom: 24px; }
  .mouse { width: 24px; height: 36px; }

  /* Sections */
  .section { padding: 64px 0; }
  .section__header { margin-bottom: 40px; padding: 0 8px; }
  .section__tag {
    font-size: 0.7rem; letter-spacing: 0.12em;
    padding: 10px 20px; margin-bottom: 16px;
  }
  .section__tag svg { width: 14px; height: 14px; }
  .section__title {
    font-size: clamp(1.4rem, 5vw, 2rem);
    line-height: 1.2; margin-bottom: 12px;
  }
  .section__subtitle { font-size: 0.95rem; }

  /* Fits */
  .fits-grid { grid-template-columns: 1fr; gap: 14px; }
  .fits-card { padding: 24px 20px; gap: 14px; }
  .fits-card__icon { width: 48px; height: 48px; border-radius: 14px; }
  .fits-card__icon svg { width: 24px; height: 24px; }
  .fits-card p { font-size: 0.9rem; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-card { padding: 24px 20px; }
  .feature-card--wide { grid-template-columns: 1fr; gap: 20px; }
  .feature-card--full { padding: 32px 20px; }
  .feature-card__icon-wrap { width: 48px; height: 48px; border-radius: 14px; margin-bottom: 14px; }
  .feature-card__icon-wrap svg { width: 22px; height: 22px; }
  .feature-card__content h3 { font-size: 1.1rem; }
  .feature-card__content p { font-size: 0.9rem; }
  .code-block__header { padding: 10px 14px; }
  .code-block__title { font-size: 0.7rem; }
  .code-block__body { padding: 12px; font-size: 0.78rem; }
  .code-line { padding: 3px 0; }
  .chat-mockup { padding: 14px; gap: 10px; margin-top: 14px; }
  .chat-msg__avatar { width: 32px; height: 32px; }
  .chat-msg__bubble { font-size: 0.8rem; padding: 10px 12px; }
  .community-avatars { margin-bottom: 12px; }
  .community-avatar { width: 38px; height: 38px; font-size: 0.8rem; margin-left: -8px; }
  .community-avatar:first-child { margin-left: 0; }
  .community-label { font-size: 0.75rem; }
  .zoom-mockup { border-radius: var(--radius-sm); }
  .zoom-header { padding: 10px 14px; }
  .zoom-label { font-size: 0.75rem; }
  .zoom-grid { gap: 8px; padding: 12px; }
  .zoom-participant { padding: 12px; }
  .zoom-participant__avatar { width: 36px; height: 36px; margin-bottom: 6px; }
  .zoom-name { font-size: 0.65rem; }
  .zoom-controls { padding: 10px; gap: 8px; }
  .zoom-btn { width: 40px; height: 40px; }

  /* Program */
  .program-grid { gap: 12px; }
  .program-card__header {
    flex-wrap: wrap; gap: 12px;
    padding: 20px 20px;
  }
  .program-card__header > div:nth-child(2) { flex: 1 1 0%; min-width: 0; }
  .program-card__num { font-size: 1.25rem; min-width: 40px; }
  .program-card__title { font-size: 1rem; }
  .program-card__desc { font-size: 0.85rem; }
  .program-card__toggle {
    width: 100%; height: 44px; margin-left: 0;
    order: 3; border-radius: 12px;
    flex-shrink: 0;
  }
  .program-card__body { padding: 0 20px 20px; }
  .program-card.open .program-card__body { padding: 0 20px 20px; }
  .lesson__head {
    padding: 16px 0;
    min-height: 48px;
    font-size: 0.88rem;
    gap: 12px;
  }
  .lesson__head::before { width: 18px; height: 18px; }
  .lesson__num { min-width: 26px; height: 26px; font-size: 0.75rem; }
  .lesson__content { padding: 0 0 16px 0; }
  .lesson__content p { font-size: 0.85rem; }

  /* Pricing */
  .pricing-grid { max-width: 100%; gap: 16px; }
  .pricing-card { padding: 28px 20px; }
  .pricing-card__header { margin-bottom: 20px; }
  .pricing-card__header h3 { font-size: 1.25rem; }
  .pricing-card__sub { font-size: 0.82rem; }
  .pricing-card__list { gap: 12px; margin-bottom: 24px; }
  .pricing-card__list li { font-size: 0.88rem; }
  .pricing-card__btn { padding: 14px 20px; }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr; gap: 14px; }
  .step-card { padding: 28px 20px; }
  .step-card__icon { width: 48px; height: 48px; border-radius: 14px; margin-bottom: 14px; }
  .step-card__icon svg { width: 24px; height: 24px; }
  .step-card h4 { font-size: 0.9rem; }

  /* CTA */
  .cta-block {
    padding: 40px 24px;
    border-radius: var(--radius-lg);
  }
  .cta-block .section__tag { margin-bottom: 20px; }
  .cta-block__title { font-size: clamp(1.35rem, 5vw, 1.75rem); margin-bottom: 12px; }
  .cta-block__desc { font-size: 0.95rem; margin-bottom: 32px; }
  .cta-block__actions .btn { width: 100%; justify-content: center; padding: 18px 24px; }

  /* Footer */
  .footer {
    padding: 56px 0 max(28px, env(safe-area-inset-bottom));
  }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; margin-bottom: 36px; }
  .footer__desc { max-width: 100%; font-size: 0.88rem; }
  .footer__socials { margin-top: 12px; }
  .footer__social { width: 48px; height: 48px; }
  .footer__heading { margin-bottom: 10px; }
  .footer__link { font-size: 0.9rem; padding: 4px 0; }
  .footer__cta-btn { width: 100%; justify-content: center; }
  .footer__bottom { flex-direction: column; text-align: center; padding-top: 28px; gap: 20px; }
  .footer__legal p { margin-bottom: 2px; }
  .footer__legal-links { justify-content: center; flex-wrap: wrap; gap: 12px; }
  .footer__credit { text-align: center; }
}

/* ========== Responsive: Small mobile ========== */
@media (max-width: 480px) {
  .container { padding-left: 16px; padding-right: 16px; }

  .hero {
    padding-top: max(88px, env(safe-area-inset-top));
    padding-bottom: 48px;
  }
  .hero__badges { flex-direction: column; align-items: stretch; text-align: center; margin-bottom: 20px; }
  .hero__title { font-size: 1.4rem; }
  .hero__subtitle { font-size: 0.9rem; margin-bottom: 28px; }
  .hero__stats { padding: 18px 20px; gap: 16px; }
  .stat__number { font-size: 1.6rem; }

  .section { padding: 52px 0; }
  .section__header { margin-bottom: 32px; }
  .section__tag { padding: 8px 18px; font-size: 0.68rem; }
  .section__title { font-size: 1.3rem; }

  .fits-card { padding: 20px 16px; }
  .feature-card { padding: 20px 16px; }
  .feature-card--full { padding: 28px 16px; }

  .program-card__header { padding: 18px 16px; }
  .program-card__num { font-size: 1.15rem; }
  .program-card__title { font-size: 0.95rem; }
  .program-card__body { padding: 0 16px 16px; }
  .program-card.open .program-card__body { padding: 0 16px 16px; }
  .lesson__head { padding: 14px 0; font-size: 0.85rem; }

  .pricing-card { padding: 24px 16px; }
  .pricing-card__header h3 { font-size: 1.15rem; }
  .step-card { padding: 24px 16px; }
  .step-card h4 { font-size: 0.88rem; }

  .cta-block { padding: 32px 20px; }
  .cta-block__title { font-size: 1.25rem; }
  .cta-block__desc { font-size: 0.9rem; margin-bottom: 28px; }

  .footer { padding: 48px 0 24px; }
  .footer__grid { gap: 24px; margin-bottom: 28px; }
}