/* =========================================================
   Skybridge — Online Language Center
   Sunset gradient system: violet → magenta → coral (low yellow)
   Type: Instrument Serif (display) + Geist (UI)
   ========================================================= */

:root {
  /* Palette */
  --ink-900: #1A0B2E;
  --ink-800: #2B1345;
  --ink-700: #3F1C63;
  --ink-500: #6B4A89;
  --ink-400: #8B7AA1;
  --ink-300: #B9AFC6;
  --ink-200: #E5DEED;
  --ink-100: #F3EEF8;

  --cream-50: #FDFAF7;
  --cream-100: #FAF4EE;
  --paper: #FFFBF8;

  --violet: #8B5CF6;
  --purple: #7C3AED;
  --magenta: #D946A0;
  --pink: #EC4899;
  --coral: #FB7185;
  --orange: #FB923C;

  --grad-sunset: linear-gradient(110deg, #6D28D9 0%, #A855F7 22%, #D946A0 48%, #EC4899 68%, #FB7185 88%, #FB923C 100%);
  --grad-soft:   linear-gradient(135deg, rgba(139,92,246,.12), rgba(217,70,160,.10) 50%, rgba(251,113,133,.12));
  --grad-wash:   radial-gradient(1200px 600px at 20% -10%, rgba(139,92,246,.22), transparent 60%),
                 radial-gradient(900px 500px at 90% 10%, rgba(251,113,133,.18), transparent 60%),
                 radial-gradient(800px 500px at 50% 120%, rgba(217,70,160,.16), transparent 60%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(60, 20, 80, .06), 0 1px 3px rgba(60,20,80,.04);
  --shadow-md: 0 6px 16px -6px rgba(91, 33, 182, .18), 0 2px 6px rgba(91,33,182,.08);
  --shadow-lg: 0 24px 60px -20px rgba(91, 33, 182, .35), 0 8px 20px -8px rgba(236,72,153,.18);
  --shadow-glow: 0 20px 60px -16px rgba(217, 70, 160, .45);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --ease: cubic-bezier(.2,.7,.2,1);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  font-family: 'Geist', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-feature-settings: "ss01", "cv11";
  color: var(--ink-800);
  background: var(--cream-50);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

/* ===== Typography ===== */
.h-display {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(44px, 6.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink-900);
  margin: 14px 0 22px;
  font-weight: 400;
  text-wrap: pretty;
}
.h-display em {
  font-style: italic;
  color: var(--ink-700);
  font-family: 'Instrument Serif', serif;
}
.h-section {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.012em;
  color: var(--ink-900);
  margin: 8px 0 14px;
  text-wrap: balance;
}
.h-section em { font-style: italic; color: var(--magenta); }
.h-section.light { color: #fff; }
.h-subsection {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: clamp(24px, 2.6vw, 36px);
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0 0 8px;
}
.grad-text {
  background: var(--grad-sunset);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
}
.lede {
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.55;
  color: var(--ink-500);
  max-width: 58ch;
  margin: 0 0 32px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--magenta);
  padding: 6px 12px;
  background: rgba(217,70,160,.08);
  border: 1px solid rgba(217,70,160,.18);
  border-radius: 999px;
}
.section-eyebrow.light {
  color: #fff;
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.25);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.65);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(139,92,246,.22);
  color: var(--ink-700);
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--grad-sunset);
  box-shadow: 0 0 0 3px rgba(236,72,153,.18);
  animation: dotPulse 2s var(--ease) infinite;
}
@keyframes dotPulse {
  50% { box-shadow: 0 0 0 6px rgba(236,72,153,0); }
}

/* ===== Buttons ===== */
.btn {
  --pad-y: 14px; --pad-x: 22px;
  display: inline-flex;
  align-items: center; justify-content: center;
  gap: 10px;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.005em;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-sm { --pad-y: 10px; --pad-x: 18px; font-size: 14px; border-radius: 12px; }
.btn-lg { --pad-y: 16px; --pad-x: 26px; font-size: 16px; }
.btn-full { width: 100%; }

.btn-primary {
  color: #fff;
  background: var(--grad-sunset);
  background-size: 200% 100%;
  background-position: 0% 50%;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 28px 70px -18px rgba(217,70,160,.55);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  color: var(--ink-800);
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(139,92,246,.2);
}
.btn-ghost:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); }

.btn-white {
  color: var(--ink-900);
  background: #fff;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,.3);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(0,0,0,.35); }

.btn-outline-white {
  color: #fff;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
}
.btn-outline-white:hover { background: rgba(255,255,255,.16); }

.btn-wa {
  color: #fff;
  background: linear-gradient(135deg, #25D366, #128C7E);
  box-shadow: 0 16px 40px -10px rgba(37,211,102,.5);
}
.btn-wa:hover { transform: translateY(-2px); }

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: rgba(253, 250, 247, .72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(139, 92, 246, .08);
}
.nav.scrolled { box-shadow: 0 10px 30px -20px rgba(91,33,182,.25); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(139,92,246,.15);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.brand-tag {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-top: 4px;
  font-weight: 500;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 6px;
}
.nav-links a {
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink-700);
  font-weight: 500;
  border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--ink-900); background: rgba(139,92,246,.07); }

.nav-right { display: flex; align-items: center; gap: 10px; }

.lang { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,.5);
  border: 1px solid rgba(139,92,246,.15);
  color: var(--ink-700);
  font-size: 13px;
  font-weight: 500;
  transition: background .2s;
}
.lang-btn:hover { background: #fff; }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  list-style: none; padding: 6px; margin: 0;
  background: #fff;
  border: 1px solid rgba(139,92,246,.12);
  border-radius: 12px;
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.lang.open .lang-menu { opacity: 1; transform: none; pointer-events: auto; }
.lang-menu li {
  padding: 10px 12px;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-700);
}
.lang-menu li:hover { background: var(--ink-100); color: var(--ink-900); }
.lang-menu li[aria-selected="true"] { background: rgba(217,70,160,.08); color: var(--magenta); font-weight: 500; }

.nav-burger { display: none; flex-direction: column; gap: 4px; padding: 8px; border-radius: 8px; }
.nav-burger span { width: 20px; height: 2px; background: var(--ink-700); border-radius: 2px; transition: transform .2s; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 60px 28px 40px;
  background: var(--cream-50);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-wash);
  z-index: -1;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
  z-index: -1;
  animation: float 14s var(--ease) infinite;
}
.orb-1 {
  width: 540px; height: 540px;
  background: radial-gradient(circle, #A855F7, transparent 60%);
  top: -120px; left: -160px;
}
.orb-2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, #FB7185, transparent 65%);
  top: 50px; right: -140px;
  animation-delay: -4s;
}
.orb-3 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, #D946A0, transparent 60%);
  bottom: -140px; left: 40%;
  animation-delay: -9s;
}
@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(.97); }
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  min-height: 72vh;
  padding: 60px 0 40px;
}

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }

.trust-row {
  display: flex; flex-wrap: wrap; gap: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(139,92,246,.15);
}
.trust { display: flex; align-items: center; gap: 10px; color: var(--ink-700); }
.trust svg { color: var(--magenta); }
.trust div { display: flex; flex-direction: column; line-height: 1.1; font-size: 13px; }
.trust strong { color: var(--ink-900); font-weight: 600; font-size: 14px; }
.trust span { color: var(--ink-400); font-size: 12px; margin-top: 3px; }

/* Hero visual — live classroom card */
.hero-visual { position: relative; aspect-ratio: 1/1.02; min-height: 520px; }
.classroom-card {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(255,255,255,.9), rgba(255,255,255,.7));
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.9);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 14px;
  overflow: hidden;
}
.classroom-card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(139,92,246,.08), transparent 40%, rgba(251,113,133,.1));
  pointer-events: none;
  border-radius: inherit;
}
.cc-head {
  display: flex; justify-content: space-between; align-items: center;
  position: relative;
}
.cc-live {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600;
  padding: 6px 12px;
  background: rgba(236,72,153,.1);
  color: var(--pink);
  border-radius: 999px;
  letter-spacing: .02em;
}
.cc-live .pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pink);
  animation: pulse 1.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(236,72,153,.6); }
  70% { box-shadow: 0 0 0 8px rgba(236,72,153,0); }
  100% { box-shadow: 0 0 0 0 rgba(236,72,153,0); }
}
.cc-controls { display: flex; gap: 6px; }
.cc-controls span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--ink-200);
}
.cc-controls span:nth-child(1) { background: #FB7185; }
.cc-controls span:nth-child(2) { background: #FBBF24; }
.cc-controls span:nth-child(3) { background: #34D399; }

.cc-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 10px;
  flex: 1;
  position: relative;
}
.tile {
  position: relative;
  border-radius: var(--radius-md);
  padding: 12px;
  background: linear-gradient(160deg, rgba(255,255,255,.75), rgba(243,238,248,.8));
  border: 1px solid rgba(255,255,255,.95);
  display: flex; flex-direction: column; gap: 6px;
  overflow: hidden;
}
.tile-teacher {
  grid-row: span 3;
  background: linear-gradient(160deg, #8B5CF6, #EC4899 70%, #FB7185);
  color: #fff;
  border: none;
  justify-content: space-between;
}
.tile-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  overflow: hidden;
  display: grid; place-items: center;
  font-weight: 600;
  color: #fff;
  font-size: 14px;
  box-shadow: 0 4px 10px rgba(0,0,0,.1);
}
.a1 { background: linear-gradient(135deg, #F472B6, #A855F7); }
.a2 { background: linear-gradient(135deg, #FB923C, #EC4899); }
.a3 { background: linear-gradient(135deg, #A855F7, #6366F1); }
.a4 { background: linear-gradient(135deg, #EC4899, #FB7185); }
.a5 { background: linear-gradient(135deg, #8B5CF6, #EC4899); }
.avatar-t {
  width: 52px; height: 52px;
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
}
.avatar-t svg { width: 100%; height: 100%; }
.tile-meta { display: flex; flex-direction: column; gap: 4px; }
.badge-t {
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(255,255,255,.2);
  color: #fff;
  font-weight: 600;
}
.tile-name { font-size: 12px; font-weight: 600; color: var(--ink-800); }
.tile-teacher .tile-name { color: #fff; font-size: 15px; }
.tile-caption {
  font-family: 'Instrument Serif', serif;
  font-size: 17px;
  line-height: 1.2;
  font-style: italic;
  color: #fff;
}
.mic {
  position: absolute; top: 10px; right: 10px;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(0,0,0,.08);
  display: grid; place-items: center;
}
.mic::before {
  content: ""; width: 7px; height: 10px; border-radius: 3px;
  background: var(--ink-400);
}
.mic-on { background: rgba(52,211,153,.18); }
.mic-on::before { background: #10b981; }
.mic-on::after {
  content: ""; position: absolute;
  inset: -3px; border-radius: 50%;
  border: 2px solid rgba(52,211,153,.5);
  animation: pulse 1.4s infinite;
}

.cc-foot {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(255,255,255,.9), rgba(243,238,248,.85));
  border: 1px solid rgba(255,255,255,.95);
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.transcript { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--ink-500); }
.transcript strong { color: var(--ink-800); font-weight: 600; }
.t-new strong { color: var(--magenta); }
.wave { display: flex; gap: 3px; align-items: flex-end; height: 28px; }
.wave span {
  width: 3px; background: var(--grad-sunset); border-radius: 3px;
  animation: wave 1.3s infinite;
}
.wave span:nth-child(1) { height: 30%; animation-delay: -0.1s; }
.wave span:nth-child(2) { height: 60%; animation-delay: -0.3s; }
.wave span:nth-child(3) { height: 90%; animation-delay: -0.5s; }
.wave span:nth-child(4) { height: 55%; animation-delay: -0.7s; }
.wave span:nth-child(5) { height: 80%; animation-delay: -0.2s; }
.wave span:nth-child(6) { height: 40%; animation-delay: -0.8s; }
.wave span:nth-child(7) { height: 70%; animation-delay: -0.5s; }
.wave span:nth-child(8) { height: 25%; animation-delay: -0.3s; }
@keyframes wave {
  0%, 100% { transform: scaleY(.5); }
  50% { transform: scaleY(1); }
}

.floater {
  position: absolute;
  padding: 12px 16px;
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px;
  border: 1px solid rgba(139,92,246,.08);
  animation: floatSm 6s var(--ease) infinite;
}
.floater div { display: flex; flex-direction: column; line-height: 1.1; font-size: 12px; }
.floater strong { font-size: 13px; color: var(--ink-900); font-weight: 600; }
.floater span { color: var(--ink-400); margin-top: 3px; }
.floater-a { top: 28%; left: -28px; animation-delay: 0s; }
.fl-ic {
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, #34D399, #10b981);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 12px -4px rgba(16,185,129,.5);
}
.floater-b { bottom: 12%; right: -22px; animation-delay: -3s; }
.fl-stars { color: #FBBF24; font-size: 16px; letter-spacing: 2px; }

@keyframes floatSm {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

/* Marquee */
.marquee {
  margin-top: 48px;
  border-top: 1px solid rgba(139,92,246,.12);
  border-bottom: 1px solid rgba(139,92,246,.12);
  overflow: hidden;
  padding: 18px 0;
  background: rgba(255,255,255,.4);
}
.marquee-track {
  display: flex; gap: 36px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--ink-500);
}
.marquee-track span:nth-child(odd) { color: var(--ink-800); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Generic section ===== */
.section { padding: 110px 0; position: relative; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 80px;
}
.about-body {
  font-size: clamp(16px, 1.15vw, 19px);
  line-height: 1.6;
  color: var(--ink-500);
}
.why-head { margin-bottom: 48px; max-width: 680px; }
.why-sub { color: var(--ink-500); font-size: 16px; line-height: 1.55; margin: 0; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.why-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(139,92,246,.08);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.why-card::before {
  content: ""; position: absolute; inset: 0;
  background: var(--grad-soft); opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(217,70,160,.2);
}
.why-card:hover::before { opacity: 1; }
.why-ic {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--grad-sunset);
  color: #fff;
  display: grid; place-items: center;
  margin-bottom: 16px;
  box-shadow: 0 10px 24px -8px rgba(217,70,160,.5);
  position: relative;
}
.why-ic svg { width: 22px; height: 22px; }
.why-card h4 {
  font-family: 'Geist', sans-serif;
  font-size: 16px; font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 6px;
  letter-spacing: -0.01em;
  position: relative;
}
.why-card p {
  font-size: 14px; line-height: 1.5;
  color: var(--ink-500);
  margin: 0;
  position: relative;
}

/* Special Offer */
.section-offer { padding: 60px 0 110px; }
.offer-card {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  padding: 56px 60px;
  color: #fff;
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}
.offer-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(500px 300px at 10% 10%, rgba(255,255,255,.25), transparent 60%),
    radial-gradient(400px 300px at 90% 90%, rgba(255,255,255,.18), transparent 60%),
    var(--grad-sunset);
  animation: shiftBg 14s ease-in-out infinite;
  background-size: 200% 200%;
}
@keyframes shiftBg {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.offer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.offer-label {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.lbl-dot { width: 6px; height: 6px; border-radius: 50%; background: #FEE2E2; animation: pulse 1.5s infinite; }
.offer-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 5vw, 68px);
  margin: 16px 0 18px;
  line-height: 1;
  font-weight: 400;
}
.offer-body {
  font-size: 17px; line-height: 1.6;
  color: rgba(255,255,255,.92);
  margin: 0 0 32px;
  max-width: 52ch;
}
.offer-body s { opacity: .65; }
.offer-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.price-card {
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 22px;
  padding: 26px;
  color: #fff;
  box-shadow: 0 20px 60px -24px rgba(0,0,0,.4);
}
.price-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.price-title { font-size: 13px; font-weight: 500; letter-spacing: .02em; opacity: .9; }
.price-ribbon {
  background: #fff; color: var(--ink-900);
  padding: 4px 10px; border-radius: 6px;
  font-size: 11px; font-weight: 700;
  letter-spacing: .04em;
}
.price-amount { display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; }
.price-now {
  font-family: 'Instrument Serif', serif;
  font-size: 64px; line-height: 1;
  font-weight: 400;
}
.price-now .mad { font-size: 22px; margin-left: 6px; opacity: .8; }
.price-was { font-size: 14px; opacity: .75; }
.price-list { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 8px; }
.price-list li { display: flex; gap: 10px; align-items: center; font-size: 14px; opacity: .95; }
.tick {
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(255,255,255,.9);
  color: var(--magenta);
  font-size: 10px; font-weight: 700;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.spots { display: flex; flex-direction: column; gap: 6px; font-size: 12px; opacity: .9; }
.spot-bar {
  height: 6px; border-radius: 999px;
  background: rgba(255,255,255,.25);
  overflow: hidden;
}
.spot-bar span {
  display: block; height: 100%;
  background: #fff;
  border-radius: inherit;
  box-shadow: 0 0 12px rgba(255,255,255,.6);
}

/* Methodology */
.method-head { max-width: 780px; margin-bottom: 48px; }
.method-sub { color: var(--ink-500); font-size: 17px; line-height: 1.5; margin: 12px 0 0; max-width: 58ch; }
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.method-card {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(139,92,246,.08);
  position: relative;
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.method-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.method-num {
  font-family: 'Instrument Serif', serif;
  font-size: 54px;
  line-height: 1;
  background: var(--grad-sunset);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 12px;
  font-style: italic;
}
.method-card h4 {
  font-family: 'Geist', sans-serif;
  font-size: 19px; font-weight: 600;
  color: var(--ink-900);
  margin: 0 0 8px;
}
.method-card p { font-size: 14.5px; line-height: 1.55; color: var(--ink-500); margin: 0; }

/* Courses */
.section-courses {
  background:
    radial-gradient(800px 400px at 10% 0%, rgba(139,92,246,.08), transparent 60%),
    radial-gradient(700px 400px at 90% 100%, rgba(251,113,133,.08), transparent 60%),
    var(--cream-50);
}
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.course-card {
  display: flex; flex-direction: column;
  padding: 32px 28px 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(139,92,246,.08);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.course-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--grad-sunset);
  opacity: .9;
}
.course-card[data-tone="violet"]::before { background: linear-gradient(90deg, #8B5CF6, #D946A0); }
.course-card[data-tone="magenta"]::before { background: linear-gradient(90deg, #D946A0, #EC4899); }
.course-card[data-tone="coral"]::before { background: linear-gradient(90deg, #EC4899, #FB7185); }
.course-card[data-tone="pink"]::before { background: linear-gradient(90deg, #F472B6, #FB7185); }
.course-card[data-tone="plum"]::before { background: linear-gradient(90deg, #7C3AED, #A855F7); }
.course-card[data-tone="sunset"]::before { background: linear-gradient(90deg, #FB7185, #FB923C); }

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.cc-top { flex: 1; }
.cc-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(217,70,160,.08);
  color: var(--magenta);
  font-size: 11px; font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.course-card h3 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 28px;
  line-height: 1.1;
  color: var(--ink-900);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.course-card p { font-size: 14.5px; line-height: 1.55; color: var(--ink-500); margin: 0 0 20px; }
.cc-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; padding: 16px 0;
  border-top: 1px dashed rgba(139,92,246,.2);
  border-bottom: 1px dashed rgba(139,92,246,.2);
  margin-bottom: 20px;
}
.cc-meta div { display: flex; flex-direction: column; gap: 3px; }
.meta-k { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-400); font-weight: 500; }
.meta-v {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  color: var(--ink-900);
}
.meta-v em {
  font-family: 'Geist', sans-serif;
  font-size: 13px; color: var(--ink-400);
  font-weight: 500; font-style: normal; margin-left: 4px;
}
.cc-meta-contact {
  grid-template-columns: 1fr;
  padding: 16px; background: rgba(139,92,246,.04);
  border: 1px dashed rgba(139,92,246,.25);
  border-radius: 10px;
  font-size: 13px; color: var(--ink-500);
  font-style: italic;
  text-align: center;
  margin-bottom: 20px;
}

/* Registration */
.section-register {
  background:
    radial-gradient(900px 500px at 100% 0%, rgba(217,70,160,.45), transparent 60%),
    radial-gradient(800px 500px at 0% 100%, rgba(123,53,233,.45), transparent 60%),
    linear-gradient(135deg, #2B1345 0%, #3F1C63 50%, #1A0B2E 100%);
  color: #fff;
}
.register-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.register-side .section-eyebrow.light { margin-bottom: 12px; }
.register-sub { color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.5; margin: 12px 0 28px; }
.reg-bullets { list-style: none; padding: 0; margin: 0 0 36px; display: grid; gap: 10px; }
.reg-bullets li { display: flex; gap: 12px; align-items: center; color: rgba(255,255,255,.88); font-size: 15px; }
.rb-ic {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--grad-sunset);
  color: #fff; font-size: 12px; font-weight: 700;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.reg-quote {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  padding: 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  color: rgba(255,255,255,.95);
}
.reg-quote svg { color: var(--pink); grid-row: span 2; }
.reg-quote p {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  line-height: 1.3;
  font-style: italic;
  margin: 0 0 6px;
}
.reg-quote span { color: rgba(255,255,255,.65); font-size: 13px; }

.register-form {
  background: rgba(255,255,255,.95);
  color: var(--ink-800);
  border-radius: 22px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,.5);
}
.form-head { margin-bottom: 24px; }
.form-head h3 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 28px;
  margin: 0 0 6px;
  color: var(--ink-900);
}
.reassure { font-size: 13.5px; color: var(--ink-500); line-height: 1.45; }
.fieldset { border: 0; padding: 0; margin: 0 0 22px; }
.fieldset legend {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--magenta);
  font-weight: 600;
  margin-bottom: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; position: relative; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field label {
  font-size: 13px; font-weight: 500;
  color: var(--ink-700);
}
.field input, .field select {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--ink-200);
  background: #fff;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
  outline: 0;
}
.field input:focus, .field select:focus {
  border-color: var(--magenta);
  box-shadow: 0 0 0 4px rgba(217,70,160,.12);
}
.field.invalid input, .field.invalid select {
  border-color: #EF4444;
  box-shadow: 0 0 0 4px rgba(239,68,68,.1);
}
.field-err {
  font-size: 12px; color: #EF4444;
  display: none;
}
.field.invalid .field-err { display: block; }
.field.valid input, .field.valid select { border-color: #10b981; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--ink-200);
  background: #fff;
  font-size: 13.5px;
  color: var(--ink-700);
  transition: all .2s;
}
.chip input:checked + span {
  background: var(--grad-sunset);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 14px -6px rgba(217,70,160,.5);
}
.consent {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13.5px;
  color: var(--ink-500);
  margin: 10px 0 18px;
  cursor: pointer;
}
.consent input {
  width: 18px; height: 18px;
  accent-color: var(--magenta);
  margin-top: 2px;
}

.form-success {
  margin-top: 18px;
  background: rgba(16,185,129,.08);
  border: 1px solid rgba(16,185,129,.2);
  border-radius: 12px;
  padding: 16px;
  display: flex; gap: 12px; align-items: center;
  color: #065F46;
}
.form-success .fs-ic {
  width: 36px; height: 36px; border-radius: 50%;
  background: #10b981; color: #fff;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.form-success div { display: flex; flex-direction: column; font-size: 13.5px; }
.form-success strong { font-size: 15px; margin-bottom: 2px; color: #065F46; }

/* Testimonials */
.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.test-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(139,92,246,.08);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.test-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stars { color: #FB923C; letter-spacing: 2px; font-size: 14px; margin-bottom: 12px; }
.test-card p {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-800);
  margin: 0 0 20px;
  text-wrap: pretty;
}
.who { display: flex; gap: 12px; align-items: center; padding-top: 16px; border-top: 1px solid rgba(139,92,246,.08); }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  color: #fff; font-weight: 600;
  font-size: 16px;
}
.av-1 { background: linear-gradient(135deg, #7C3AED, #D946A0); }
.av-2 { background: linear-gradient(135deg, #D946A0, #EC4899); }
.av-3 { background: linear-gradient(135deg, #EC4899, #FB7185); }
.av-4 { background: linear-gradient(135deg, #FB7185, #FB923C); }
.av-5 { background: linear-gradient(135deg, #A855F7, #EC4899); }
.av-6 { background: linear-gradient(135deg, #6366F1, #8B5CF6); }
.who div { display: flex; flex-direction: column; line-height: 1.2; }
.who strong { color: var(--ink-900); font-size: 14.5px; font-weight: 600; }
.who span { color: var(--ink-400); font-size: 12.5px; margin-top: 2px; }

/* Contact */
.section-contact {
  background:
    radial-gradient(700px 400px at 15% 30%, rgba(139,92,246,.08), transparent 60%),
    radial-gradient(700px 400px at 85% 80%, rgba(251,113,133,.08), transparent 60%),
    var(--cream-50);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-list { list-style: none; padding: 0; margin: 32px 0; display: grid; gap: 14px; }
.contact-list li {
  display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid rgba(139,92,246,.08);
  border-radius: var(--radius-md);
  transition: border-color .2s, transform .2s;
}
.contact-list li:hover { border-color: rgba(217,70,160,.25); transform: translateX(4px); }
.cl-ic {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--grad-soft);
  color: var(--magenta);
  display: grid; place-items: center;
}
.contact-list strong { color: var(--ink-900); font-weight: 600; font-size: 15px; display: block; }
.contact-list span { color: var(--ink-500); font-size: 13.5px; margin-top: 2px; display: block; }
.contact-trust {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 14px; margin: 24px 0;
  padding: 20px;
  background: rgba(139,92,246,.04);
  border: 1px solid rgba(139,92,246,.1);
  border-radius: var(--radius-md);
}
.contact-trust > div { display: flex; flex-direction: column; }
.ct-k { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-400); font-weight: 600; }
.ct-v { font-size: 15px; color: var(--ink-900); font-weight: 500; margin-top: 4px; }

.follow-card {
  padding: 36px;
  border-radius: var(--radius-xl);
  background: linear-gradient(160deg, #fff, #FAF4EE);
  border: 1px solid rgba(139,92,246,.08);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.follow-card::before {
  content: ""; position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: var(--grad-soft);
  filter: blur(40px);
}
.follow-card p { color: var(--ink-500); margin: 0 0 24px; position: relative; }
.social-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; position: relative; }
.social {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(139,92,246,.1);
  color: var(--ink-800);
  font-weight: 500;
  transition: all .25s;
}
.social:hover {
  transform: translateX(4px);
  border-color: rgba(217,70,160,.3);
  box-shadow: var(--shadow-sm);
}
.social svg { color: var(--magenta); }
.follow-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(139,92,246,.12);
  position: relative;
}
.follow-stats > div { display: flex; flex-direction: column; }
.fs-n {
  font-family: 'Instrument Serif', serif;
  font-size: 32px;
  line-height: 1;
  color: var(--ink-900);
}
.fs-l { font-size: 12px; color: var(--ink-400); margin-top: 6px; letter-spacing: .04em; }

/* Footer */
.footer {
  background: #1A0B2E;
  color: rgba(255,255,255,.85);
  padding: 70px 0 28px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-sunset);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.brand-foot .brand-name { color: #fff; }
.brand-foot .brand-tag { color: rgba(255,255,255,.5); }
.brand-foot .brand-mark {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.foot-desc { color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.5; margin-top: 14px; max-width: 32ch; }
.foot-col { display: flex; flex-direction: column; gap: 10px; }
.foot-col h5 {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  font-weight: 600;
  margin: 0 0 6px;
}
.foot-col a, .foot-col span { color: rgba(255,255,255,.75); font-size: 14px; }
.foot-col a:hover { color: #fff; }
.foot-lang { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.foot-lang span { color: rgba(255,255,255,.5); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.foot-lang select {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  font-size: 14px;
}
.foot-base {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: rgba(255,255,255,.4);
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav { grid-template-columns: auto 1fr; }
  .nav-right { justify-content: flex-end; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; min-height: 440px; max-width: 520px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: 1fr; gap: 36px; }
  .offer-card { padding: 44px 32px; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .register-grid { grid-template-columns: 1fr; gap: 40px; }
  .test-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 680px) {
  .section { padding: 80px 0; }
  .hero { padding: 40px 20px 20px; }
  .hero-inner { padding: 30px 0; min-height: auto; }
  .container { padding: 0 20px; }
  .nav { padding: 12px 16px; gap: 10px; }
  .brand-tag { display: none; }
  .why-grid, .method-grid, .course-grid, .test-grid, .footer-grid, .row-2 { grid-template-columns: 1fr; }
  .offer-card { padding: 32px 24px; border-radius: 22px; }
  .price-now { font-size: 48px; }
  .hero-visual { min-height: 400px; }
  .floater-a { left: -8px; }
  .floater-b { right: -8px; }
  .foot-base { flex-direction: column; gap: 8px; }
  .contact-trust { grid-template-columns: 1fr; }
  .register-form { padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}