/* ═══════════════════════════════════════════
   MATHEMATIC — Design System & Styles
   Platform Pembelajaran Matematika
   ═══════════════════════════════════════════ */

.creators-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:24px;
}

.creator-card{
    background:rgba(255,255,255,0.08);
    backdrop-filter:blur(10px);
    border-radius:24px;
    padding:24px;
    text-align:center;
    transition:0.3s;
}

.creator-card:hover{
    transform:translateY(-8px);
}

.creator-photo{
    width:120px;
    height:120px;
    border-radius:50%;
    object-fit:cover;
    margin-bottom:16px;
}


/* PATITECH NAVBAR STYLE */
.patitech-navbar {
  background: rgba(10, 15, 25, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.patitech-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  height: 38px;
  width: 38px;
  border-radius: 8px;
}

.logo-text-wrapper {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: #00d4ff;
  letter-spacing: 1px;
}

.logo-subtext {
  font-size: 10px;
  color: #aaa;
  letter-spacing: 2px;
}

.patitech-menu a {
  color: #eaeaea;
  transition: 0.3s;
}

.patitech-menu a:hover {
  color: #00d4ff;
}

.patitech-dropdown {
  background: #0b1220;
  border: 1px solid rgba(255,255,255,0.1);
}

.patitech-dropdown a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: #00d4ff;
}

.patitech-theme,
.patitech-menu-btn {
  color: #fff;
}

/* ===== NAVBAR RIGHT ===== */
.right {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

/* ===== MENU DESKTOP ===== */
.menu-links {
  display: flex;
  gap: 15px;
}

.menu-links a {
  text-decoration: none;
  color: #333;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 500;
  transition: 0.25s;
}

/* HOVER LIGHT */
.menu-links a:hover {
  background: #ffffff;
  color: #000;
}

/* ========================= */
/* ===== DARK MODE ===== */
/* ========================= */

/* teks */
html:not(.light) .menu-links a {
  color: #ffffff;
}

/* hover */
html:not(.light) .menu-links a:hover {
  background: #ffffff;
  color: #000;
}

/* ========================= */
/* ===== BUTTON ===== */
/* ========================= */
.btn-icon {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========================= */
/* ===== MOBILE FIX ===== */
/* ========================= */

@media (max-width: 768px) {
  .menu-links {
    display: none !important;
  }

  .navbar .right {
    gap: 10px;
  }

  .navbar .btn-icon {
    width: 44px;
    height: 44px;
  }

  .dropdown {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    background: hsl(var(--bg) / .97);
    padding: 12px 14px;
    z-index: 1001;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }

  .dropdown a {
    padding: 14px 16px;
    font-size: 1rem;
    white-space: nowrap;
  }

  html:not(.light) .dropdown {
    background: hsl(220 18% 12% / .98);
  }
}

/* ═══ RESET & CSS VARIABLES ═══ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  /* ── Warna Utama ── */
  --bg: 220 18% 7%;
  --bg2: 220 15% 10%;
  --bg3: 220 14% 13%;
  --fg: 210 25% 92%;
  --fg2: 210 15% 70%;
  --fg3: 210 12% 50%;
  --card: 220 13% 16%;
  --surface: 220 13% 16%;
  --surface2: 220 12% 20%;
  --primary: 174 72% 52%;
  --teal: 174 72% 52%;
  --teal-dim: 174 50% 32%;
  --amber: 38 95% 58%;
  --violet: 265 65% 65%;
  --violet-dim: 265 50% 40%;
  --border: 220 12% 22%;
  --border-hi: 220 12% 30%;

  /* ── Radius & Font ── */
  --radius: 0.75rem;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* ── Easing ── */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);

  /* ── Grid Pattern ── */
  --grid-line: 220 15% 14% / .55;
}

/* ── Light Mode ── */
.light {
  --bg: 210 20% 98%;
  --bg2: 210 18% 95%;
  --bg3: 210 16% 90%;
  --fg: 220 25% 14%;
  --fg2: 220 15% 36%;
  --fg3: 220 12% 56%;
  --card: 0 0% 100%;
  --surface: 0 0% 100%;
  --surface2: 210 20% 96%;
  --primary: 174 65% 38%;
  --teal: 174 65% 38%;
  --teal-dim: 174 50% 60%;
  --amber: 38 90% 42%;
  --violet: 265 55% 52%;
  --violet-dim: 265 40% 60%;
  --border: 214 20% 88%;
  --border-hi: 214 20% 76%;
  --grid-line: 214 20% 70% / .35;
}

/* ═══ BASE STYLES ═══ */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: hsl(var(--bg));
  color: hsl(var(--fg));
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .5s var(--ease-smooth), color .5s var(--ease-smooth);
}

/* Grid Background Pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(hsl(var(--grid-line)) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--grid-line)) 1px, transparent 1px);
  background-size: 48px 48px;
  transition: background-image .5s;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }

/* ── Container ── */
.container { 
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 2rem;
}
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

/* ═══ KEYFRAME ANIMATIONS ═══ */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { 0% { opacity: 0; } 100% { opacity: 1; } }
@keyframes pageIn {
  0% { opacity: 0; transform: translateY(12px) scale(0.99); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blobFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33% { transform: translate(20px,-20px) scale(1.04); }
  66% { transform: translate(-10px,15px) scale(0.97); }
}
@keyframes tilePopIn {
  0% { opacity: 0; transform: translateY(12px) scale(0.8); }
  60% { opacity: 1; transform: translateY(-3px) scale(1.03); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes glowPulse {
  0% { box-shadow: 0 0 0 0 hsl(174 72% 52% / .3); }
  50% { box-shadow: 0 0 20px 4px hsl(174 72% 52% / .15); }
  100% { box-shadow: 0 0 0 0 hsl(174 72% 52% / .0); }
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes gentleBounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ── Animation Utility Classes ── */
.animate-fade-up { animation: fadeUp .7s var(--ease-out) both; }
.animate-page-in { animation: pageIn .5s var(--ease-out); }
.animate-blob-float { animation: blobFloat 20s ease-in-out infinite; }
.animate-blink { animation: blink 1.1s step-end infinite; }
.animate-spin-slow { animation: spin 4s linear infinite; }
.animate-gentle-bounce { animation: gentleBounce 2s ease-in-out infinite; }

/* ── Gradient Text ── */
.grad-text {
  background: linear-gradient(135deg, hsl(var(--teal)) 20%, hsl(var(--violet)) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad-text-amber {
  background: linear-gradient(135deg, hsl(var(--amber)), hsl(38 95% 75%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ═══ SCROLL REVEAL (CSS-driven with JS observer) ═══ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ═══ NAVBAR ═══ */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--bg) / .85);
  backdrop-filter: blur(24px) saturate(1.8);
  transition: all .4s var(--ease-smooth);
}
.navbar.scrolled { box-shadow: 0 4px 30px hsl(220 18% 3% / .3); }
.navbar .inner { display: flex; height: 64px; align-items: center; justify-content: space-between; gap: 8px; overflow: visible; }
.navbar .logo { display: flex; align-items: center; gap: 10px; transition: transform .3s var(--ease-spring); }
.navbar .logo:hover { transform: scale(1.05); }
.navbar .logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, hsl(var(--teal)), hsl(var(--violet)));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900; color: hsl(var(--bg));
  box-shadow: 0 0 16px hsl(174 72% 52% / .35);
  transition: box-shadow .3s, transform .3s var(--ease-spring);
}
.navbar .logo:hover .logo-icon { box-shadow: 0 0 24px hsl(174 72% 52% / .5); transform: rotate(-5deg); }
.navbar .logo-text { font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; }
.navbar .right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.navbar .btn-icon {
  display: flex; width: 36px; height: 36px; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); color: hsl(var(--fg2));
  transition: all .3s var(--ease-spring);
}
.navbar .btn-icon:hover { border-color: hsl(var(--border-hi)); background: hsl(var(--surface2)); transform: scale(1.15) rotate(5deg); }
.navbar .btn-icon:active { transform: scale(0.9); }

/* ── Dropdown Menu ── */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);

  /* geser sedikit dari kanan */
  right: 32px;

  width: 224px;
  border-radius: 12px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--bg) / .95);
  padding: 8px;
  box-shadow: 0 20px 60px hsl(220 18% 3% / .6);
  backdrop-filter: blur(20px);

  opacity: 0;
  transform: translateY(-8px) scale(0.95);
  pointer-events: none;
  transition: opacity .25s var(--ease-out),
              transform .25s var(--ease-spring);
}

.dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.dropdown a {
  display: flex;
  align-items: center;
  gap: 12px;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: .875rem;
  font-weight: 500;
  color: hsl(var(--fg2));
  transition: all .25s var(--ease-smooth);
}

.dropdown a.active {
  background: hsl(174 72% 52% / .18);
  color: hsl(var(--teal));
}

/* Responsive */
@media (max-width: 768px) {
  .dropdown {
    width: 100%;
    max-width: 100vw;
    left: 0;
    right: 0;
    margin: 0;
    padding: 12px 14px;
    border-radius: 0;
    box-shadow: none;
  }
}

/* ═══ PAGES ═══ */
.page { display: none; position: relative; z-index: 1; }
.page.active { display: block; animation: pageIn .5s var(--ease-out); }

/* ═══ HERO SECTION ═══ */
.hero { position: relative; min-height: 92vh; display: flex; align-items: flex-start; overflow: hidden; }
.hero .blob { position: absolute; border-radius: 50%; filter: blur(120px); pointer-events: none; }
.hero .blob1 { right: -120px; top: -80px; width: 500px; height: 500px; background: hsl(174 72% 52% / .1); animation: blobFloat 20s ease-in-out infinite; }
.hero .blob2 { left: -96px; bottom: -80px; width: 400px; height: 400px; background: hsl(265 65% 65% / .1); animation: blobFloat 20s ease-in-out infinite; animation-delay: 7s; }
.hero .grid { display: grid; grid-template-columns: 1fr; gap: 48px; padding: 96px 0; align-items: start; width: 100%; }
@media(min-width:1024px) { .hero .grid { grid-template-columns: 1fr 1fr; gap: 80px; } }

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: 99px; border: 1px solid hsl(174 72% 52% / .2);
  background: hsl(174 72% 52% / .08);
  padding: 6px 16px;
  font-family: var(--font-mono); font-size: .875rem; font-weight: 600;
  letter-spacing: .05em; color: hsl(var(--teal));
  transition: all .3s var(--ease-smooth);
}
.badge:hover { background: hsl(174 72% 52% / .15); border-color: hsl(174 72% 52% / .4); }

/* Hero Typography */
.hero h1 { font-family: var(--font-display); font-size: clamp(3rem,6vw,5rem); font-weight: 900; line-height: 1.06; letter-spacing: -.03em; }
.hero h1 .cursor { display: inline-block; width: 3px; height: .85em; vertical-align: middle; background: hsl(var(--teal)); margin-left: 4px; animation: blink 1.1s step-end infinite; }
.hero p.desc { max-width: 32rem; font-size: 1.25rem; line-height: 1.75; color: hsl(var(--fg2)); }

/* ═══ BUTTONS ═══ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: var(--radius);
  background: hsl(var(--teal));
  padding: 14px 36px; font-weight: 700; color: hsl(var(--bg));
  box-shadow: 0 8px 30px hsl(174 72% 52% / .25);
  transition: all .35s var(--ease-spring);
  position: relative; overflow: hidden; cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-4px); box-shadow: 0 14px 50px hsl(174 72% 52% / .35); }
.btn-primary:active { transform: translateY(-1px) scale(0.98); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: var(--radius);
  border: 1.5px solid hsl(var(--border-hi)); background: transparent;
  padding: 14px 36px; font-weight: 600; color: hsl(var(--fg));
  transition: all .35s var(--ease-spring); cursor: pointer;
}
.btn-outline:hover { border-color: hsl(var(--teal)); background: hsl(var(--teal) / .1); transform: translateY(-4px); }
.btn-outline:active { transform: translateY(-1px) scale(0.98); }
.btn-amber { background: hsl(var(--amber)); color: hsl(var(--bg)); }

/* ═══ SUBJECT CARDS — CSS HOVER (NO FLICKER) ═══ */
.subject-card {
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
  background: hsl(var(--surface));
  padding: 16px;
  position: relative;
  overflow: hidden;
  transition: all .45s var(--ease-smooth);
}
/* Glow line at top */
.subject-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, hsl(var(--teal)), hsl(var(--violet)), hsl(var(--amber)));
  transform: scaleX(0); transform-origin: left;
  transition: transform .6s var(--ease-smooth);
}
/* Radial glow background */
.subject-card::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(circle at 50% 0%, hsl(174 72% 52% / .06), transparent 70%);
  opacity: 0; transition: opacity .4s;
}
.subject-card .top { display: flex; align-items: flex-start; gap: 16px; position: relative; z-index: 1; }
.subject-card .icon-box {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700; color: #fff;
  transition: transform .5s var(--ease-spring), box-shadow .4s;
}
.subject-card .expand-icon {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: .75rem; color: hsl(var(--fg3));
  transition: transform .4s var(--ease-spring), color .3s;
}
.subject-card h3 { font-weight: 700; color: hsl(var(--fg)); transition: color .3s; }
.subject-card p { margin-top: 2px; font-size: .875rem; line-height: 1.6; color: hsl(var(--fg3)); }

/* Icon color variants */
.icon-violet { background: linear-gradient(135deg, #8b5cf6, #7c3aed); box-shadow: 0 4px 14px hsl(265 60% 55% / .3); }
.icon-teal { background: linear-gradient(135deg, hsl(var(--teal)), #0891b2); box-shadow: 0 4px 14px hsl(174 72% 52% / .3); }
.icon-amber { background: linear-gradient(135deg, hsl(var(--amber)), #ea580c); box-shadow: 0 4px 14px hsl(38 95% 58% / .3); }

/* ── Expandable Content (CSS :hover — NO JavaScript needed) ── */
.topics-grid {
  overflow: hidden; max-height: 0; opacity: 0;
  margin-top: 0; padding-top: 0;
  position: relative; z-index: 1;
  transition: max-height .55s var(--ease-smooth),
              opacity .35s var(--ease-smooth),
              margin-top .45s var(--ease-smooth),
              padding-top .45s var(--ease-smooth);
}
.topics-inner { display: grid; grid-template-columns: repeat(auto-fill, minmax(115px, 1fr)); gap: 6px; margin-bottom: 12px; }

/* Topic tiles */
.topic-tile {
  border-radius: 6px; border: 1px solid hsl(var(--border));
  background: hsl(var(--bg3)); padding: 8px 10px;
  opacity: 0; transform: translateY(12px) scale(0.8);
  transition: border-color .3s var(--ease-spring), background .3s, transform .25s var(--ease-spring), box-shadow .3s;
}
.topic-tile:hover {
  border-color: hsl(var(--teal-dim)); background: hsl(var(--surface2));
  transform: translateY(-3px) scale(1.03); box-shadow: 0 4px 12px hsl(220 18% 3% / .3);
}
.topic-tile .num { font-family: var(--font-mono); font-size: .75rem; font-weight: 700; color: hsl(var(--teal)); }
.topic-tile .name { font-size: .875rem; font-weight: 500; color: hsl(var(--fg2)); }

/* Bottom section */
.subject-card .topics-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border-top: 1px solid hsl(var(--border)); padding-top: 12px;
  opacity: 0; transform: translateY(10px);
  transition: opacity .4s var(--ease-smooth) .2s, transform .4s var(--ease-smooth) .2s;
}
.progress-bar { height: 2px; border-radius: 99px; background: hsl(var(--bg3)); overflow: hidden; margin-top: 4px; }
.progress-fill { height: 100%; border-radius: 99px; transition: width .8s var(--ease-smooth); will-change: width; }
.prog-violet { background: linear-gradient(90deg, #8b5cf6, hsl(var(--teal))); }
.prog-teal { background: linear-gradient(90deg, hsl(var(--teal)), #06b6d4); }
.prog-amber { background: linear-gradient(90deg, hsl(var(--amber)), #f97316); }
.btn-sm-teal {
  white-space: nowrap; border-radius: 4px;
  border: 1px solid hsl(174 72% 52% / .25); background: hsl(174 72% 52% / .18);
  padding: 6px 12px; font-family: var(--font-mono); font-size: .875rem; font-weight: 700;
  color: hsl(var(--teal)); transition: all .3s var(--ease-spring);
}
.btn-sm-teal:hover { background: hsl(var(--teal)); color: hsl(var(--bg)); transform: translateY(-2px); }

/* ═══ SUBJECT CARD ACTIVE — CLASS-BASED, NO HOVER ═══
   State dikendalikan oleh JavaScript via class .active.
   Tidak bergantung pada :hover sehingga bekerja di mobile dan desktop.
*/
.subject-card.active {
  border-color: hsl(174 72% 52% / .4);
  background: hsl(174 72% 52% / .03);
  box-shadow: 0 12px 40px hsl(220 18% 3% / .5), 0 0 0 1px hsl(174 72% 52% / .1);
  transform: translateY(-4px);
}
.subject-card.active::before { transform: scaleX(1); }
.subject-card.active::after { opacity: 1; }
.subject-card.active h3 { color: hsl(var(--teal)); }
.subject-card.active .icon-box { transform: rotate(-10deg) scale(1.15); }
.subject-card.active .expand-icon { transform: translateY(-50%) rotate(180deg); color: hsl(var(--teal)); }
.subject-card.active .icon-violet { box-shadow: 0 4px 20px hsl(265 60% 55% / .5); }
.subject-card.active .icon-teal { box-shadow: 0 4px 20px hsl(174 72% 52% / .5); }
.subject-card.active .icon-amber { box-shadow: 0 4px 20px hsl(38 95% 58% / .5); }

/* Active membuka konten dengan smooth */
.subject-card.active .topics-grid {
  max-height: 500px;
  opacity: 1;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid hsl(var(--border));
}
.subject-card.active .topics-bottom {
  opacity: 1;
  transform: translateY(0);
}
.subject-card.active .topic-tile {
  animation: tilePopIn .35s var(--ease-spring) both;
  opacity: 1;
  transform: none;
}
.subject-card.active .topic-tile:nth-child(1) { animation-delay: .03s; }
.subject-card.active .topic-tile:nth-child(2) { animation-delay: .07s; }
.subject-card.active .topic-tile:nth-child(3) { animation-delay: .11s; }
.subject-card.active .topic-tile:nth-child(4) { animation-delay: .15s; }
.subject-card.active .topic-tile:nth-child(5) { animation-delay: .19s; }
.subject-card.active .topic-tile:nth-child(6) { animation-delay: .23s; }
.subject-card.active .progress-fill {
  width: var(--hover-pct, 100%);
}

/* Hover ringan (hanya visual, tidak membuka card) */
.subject-card:not(.active):hover {
  border-color: hsl(174 72% 52% / .2);
  background: hsl(174 72% 52% / .01);
  cursor: pointer;
}

/* ═══ STATS ═══ */
.stats-grid { display: grid; gap: 20px; }
@media(min-width:640px) { .stats-grid { grid-template-columns: repeat(3, 1fr); } }
.stat-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius); border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 32px; text-align: center;
  transition: all .4s var(--ease-spring);
}
.stat-card:hover { transform: translateY(-6px); border-color: hsl(174 72% 52% / .35); box-shadow: 0 12px 40px hsl(174 72% 52% / .2); }
.stat-icon {
  display: inline-flex; width: 52px; height: 52px;
  align-items: center; justify-content: center;
  border-radius: 12px; border: 1px solid hsl(var(--border));
  background: hsl(var(--bg3)); font-size: 1.5rem; margin-bottom: 20px;
  transition: transform .4s var(--ease-spring);
}
.stat-card:hover .stat-icon { transform: scale(1.15) rotate(-5deg); }
.stat-num { font-family: var(--font-display); font-size: 2.75rem; font-weight: 900; letter-spacing: -.02em; color: hsl(var(--teal)); }
.stat-label { margin-top: 6px; font-size: 1.2rem; font-weight: 700; color: hsl(var(--fg)); }
.stat-desc { margin-top: 2px; font-family: var(--font-mono); font-size: .875rem; color: hsl(var(--fg3)); }

/* ═══ FEATURES ═══ */
.features-grid { display: grid; gap: 20px; }
@media(min-width:768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
.feature-card {
  border-radius: var(--radius); border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 28px;
  transition: all .4s var(--ease-spring);
}
.feature-card:hover {
  transform: translateY(-6px); border-color: hsl(174 72% 52% / .3);
  background: hsl(var(--surface2)); box-shadow: 0 12px 40px hsl(174 72% 52% / .2);
}
.feature-card .top-row { display: flex; align-items: flex-start; gap: 20px; }
.feature-card .ficon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px;
  border: 1px solid hsl(var(--border)); background: hsl(var(--bg3));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; transition: all .4s var(--ease-spring);
}
.feature-card:hover .ficon { transform: rotate(-8deg) scale(1.1); border-color: hsl(174 72% 52% / .3); background: hsl(174 72% 52% / .18); }
.feature-card h3 { font-weight: 700; font-size: 1.1rem; color: hsl(var(--fg)); }
.feature-card p { margin-top: 6px; font-size: 1rem; line-height: 1.65; color: hsl(var(--fg3)); }

/* ═══ CTA SECTION ═══ */
.cta-section {
  position: relative; overflow: hidden;
  border-top: 1px solid hsl(var(--border)); border-bottom: 1px solid hsl(var(--border));
  background: linear-gradient(135deg, hsl(var(--bg2)), hsl(var(--bg3)));
  padding: 112px 0; text-align: center;
}
.cta-section .overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, hsl(174 72% 52% / .12) 0%, transparent 65%);
}

/* ═══ MATERI CARDS ═══ */
.materi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); gap: 16px; }
.materi-card {
  position: relative; overflow: hidden;
  border-radius: var(--radius); border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 24px;
  transition: all .4s var(--ease-spring); cursor: pointer;
}
.materi-card:hover {
  transform: translateY(-6px) scale(1.02); border-color: hsl(var(--border-hi));
  background: hsl(var(--surface2)); box-shadow: 0 12px 32px hsl(220 18% 3% / .5);
}
.materi-card .accent-line {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, hsl(var(--teal)), hsl(var(--violet)));
  transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--ease-smooth);
}
.materi-card:hover .accent-line { transform: scaleX(1); }
.materi-card .num { font-family: var(--font-mono); font-size: 1.875rem; font-weight: 700; line-height: 1; color: hsl(174 72% 52% / .7); margin-bottom: 8px; transition: color .3s; }
.materi-card:hover .num { color: hsl(var(--teal)); }
.materi-card.new-teal { border-color: hsl(174 72% 52% / .3); background: linear-gradient(135deg, hsl(var(--surface)), hsl(174 50% 8%)); }
.materi-card.new-violet { border-color: hsl(265 65% 65% / .3); background: linear-gradient(135deg, hsl(var(--surface)), hsl(265 40% 8%)); }
.materi-card.new-green { border-color: hsl(150 100% 40% / .3); background: linear-gradient(135deg, hsl(var(--surface)), hsl(150 50% 5%)); }
.materi-card h3 { font-weight: 700; color: hsl(var(--fg)); margin-bottom: 6px; }
.materi-card .mdesc { font-size: .875rem; line-height: 1.6; color: hsl(var(--fg3)); margin-bottom: 12px; }
.materi-card .link-arrow {
  position: absolute; right: 16px; bottom: 16px;
  font-size: 1rem; color: hsl(var(--teal));
  opacity: 0; transform: translateX(-8px);
  transition: all .35s var(--ease-spring);
}
.materi-card:hover .link-arrow { opacity: 1; transform: translateX(0); }
.tag {
  display: inline-block; border-radius: 99px;
  border: 1px solid hsl(var(--border)); background: hsl(var(--bg3));
  padding: 4px 12px; font-family: var(--font-mono); font-size: .75rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: hsl(var(--fg3));
}
.tag-teal { border-color: hsl(var(--teal-dim)); background: hsl(174 72% 52% / .18); color: hsl(var(--teal)); }
.tag-violet { border-color: hsl(var(--violet-dim)); background: hsl(265 65% 65% / .18); color: hsl(var(--violet)); }
.tag-green { border-color: rgba(0,204,106,.3); background: rgba(0,255,136,.1); color: #00cc6a; }


/* ═══ TABS ═══ */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.tab-btn {
  border-radius: 99px; border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 8px 20px;
  font-weight: 600; color: hsl(var(--fg2));
  transition: all .35s var(--ease-spring);
}
.tab-btn:hover { border-color: hsl(var(--border-hi)); background: hsl(var(--surface2)); color: hsl(var(--fg)); transform: translateY(-2px); }
.tab-btn.active {
  border-color: transparent; background: hsl(var(--teal));
  color: hsl(var(--bg)); font-weight: 700;
  box-shadow: 0 8px 30px hsl(174 72% 52% / .25); transform: scale(1.05);
}

/* ═══ BADGE STYLING ═══ */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 99px; background: hsl(174 72% 52% / .15); border: 1px solid hsl(174 72% 52% / .3);
  padding: 8px 16px; font-family: var(--font-mono); font-size: .8125rem; font-weight: 700;
  color: hsl(var(--teal)); text-transform: uppercase; letter-spacing: .05em;
  transition: all .35s var(--ease-spring);
}
.badge:hover { background: hsl(174 72% 52% / .25); border-color: hsl(174 72% 52% / .5); }

.animate-spin-slow { display: inline-block; animation: spin 3s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ═══ SECTION HEADERS ═══ */
.section-header { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.section-header .emoji { font-size: 1.5rem; transition: transform .3s var(--ease-spring); }
.section-header:hover .emoji { transform: rotate(-10deg) scale(1.2); }
.section-header h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; }

/* ═══ NOTICE BOX ═══ */
.notice {
  margin-top: 48px; border-radius: var(--radius);
  border: 1px solid hsl(var(--border)); border-left: 4px solid hsl(var(--teal));
  background: hsl(var(--surface)); padding: 40px; text-align: center;
  transition: all .3s var(--ease-smooth);
}
.notice:hover { border-color: hsl(174 72% 52% / .3); box-shadow: 0 8px 24px hsl(174 72% 52% / .1); }
.notice h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; }
.notice p { max-width: 32rem; margin: 12px auto 0; color: hsl(var(--fg2)); }

/* ═══ MORE PAGE ═══ */
.filter-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 40px; }
.filter-btn {
  border-radius: 99px; background: hsl(var(--surface));
  padding: 8px 16px; font-family: var(--font-mono); font-size: .875rem;
  color: hsl(var(--fg2)); transition: all .35s var(--ease-spring);
}
.filter-btn:hover, .filter-btn.active { background: hsl(var(--teal)); color: hsl(var(--bg)); transform: scale(1.05); }
.filter-btn:active { transform: scale(0.95); }

.fact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); gap: 24px; }
.fact-card {
  border-radius: var(--radius); border: 1.5px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 28px; cursor: pointer;
  transition: all .35s var(--ease-spring);
  user-select: none; -webkit-user-select: none;
  pointer-events: auto !important;
}
.fact-card * { pointer-events: none; }
.fact-card:hover { transform: translateY(-6px) scale(1.02); border-color: hsl(var(--teal)); box-shadow: 0 12px 40px hsl(174 72% 52% / .18); }
.fact-card .emoji { font-size: 2.25rem; margin-bottom: 16px; display: block; transition: transform .4s var(--ease-spring); }
.fact-card:hover .emoji { transform: scale(1.2) rotate(-5deg); }
.fact-card h3 { font-size: 1.1875rem; font-weight: 700; color: hsl(var(--fg)); margin-bottom: 12px; letter-spacing: -.01em; }
.fact-card p { font-size: .9375rem; line-height: 1.7; color: hsl(var(--fg2)); margin-bottom: 18px; }
.fact-card .bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.fact-card .read-more {
  font-family: var(--font-mono); font-size: .8125rem; color: hsl(var(--teal)); font-weight: 600;
  opacity: 0.4; transform: translateX(-6px); transition: all .3s var(--ease-spring); white-space: nowrap;
}
.fact-card:hover .read-more { opacity: 1; transform: translateX(4px); color: hsl(174 72% 62%); }

.vokasi-section { background: hsl(var(--bg2)); padding: 96px 0; position: relative; overflow: hidden; }
.vokasi-section::before {
  content: ''; position: absolute; top: -40%; right: -20%; width: 600px; height: 600px;
  border-radius: 50%; background: hsl(38 95% 58% / .04); filter: blur(100px); pointer-events: none;
}
.vokasi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: 24px; }
.vokasi-card {
  position: relative; border-radius: var(--radius);
  border: 1.5px solid hsl(var(--border)); background: hsl(var(--surface));
  padding: 28px; cursor: pointer; transition: all .35s var(--ease-spring);
  user-select: none; -webkit-user-select: none;
  pointer-events: auto !important;
}
.vokasi-card * { pointer-events: none; }
.vokasi-card:hover { transform: translateY(-6px) scale(1.02); border-color: hsl(var(--amber)); box-shadow: 0 12px 40px hsl(38 95% 58% / .18); }
.vokasi-card .new-badge {
  position: absolute; right: 12px; top: 12px;
  border-radius: 99px; background: hsl(var(--amber));
  padding: 4px 10px; font-family: var(--font-mono); font-size: .75rem; font-weight: 700; color: hsl(var(--bg));
}
.vokasi-card .hover-arrow {
  font-family: var(--font-mono); font-size: .8125rem; color: hsl(var(--amber)); font-weight: 600;
  opacity: 0.4; transform: translateX(-6px);
  transition: all .3s var(--ease-spring);
  display: block; margin-top: 16px; white-space: nowrap;
}
.vokasi-card:hover .hover-arrow { opacity: 1; transform: translateX(4px); color: hsl(38 95% 68%); }

/* ═══ ACCORDION (CSS-powered expand/collapse) ═══ */
.accordion-item {
  overflow: hidden; border-radius: var(--radius);
  border: 1.5px solid hsl(var(--border)); background: hsl(var(--surface));
  transition: border-color .3s var(--ease-smooth), box-shadow .3s;
  margin-bottom: 18px;
}
.accordion-item:hover { border-color: hsl(265 65% 65% / .4); background: hsl(var(--surface2)); }
.accordion-item.expanded { border-color: hsl(265 65% 65% / .5); box-shadow: 0 6px 28px hsl(265 65% 65% / .12); background: hsl(var(--surface)); }
.accordion-btn {
  display: flex; width: 100%; align-items: center; gap: 18px;
  background: transparent; padding: 24px; text-align: left;
  color: hsl(var(--fg)); transition: background .25s; cursor: pointer;
}
.accordion-btn:hover { background: hsl(var(--surface2) / .6); }
.accordion-btn .emoji { flex-shrink: 0; font-size: 1.875rem; transition: transform .3s var(--ease-spring); }
.accordion-item.expanded .accordion-btn .emoji { transform: scale(1.15); }
.accordion-btn h3 { font-weight: 700; font-size: 1.25rem; color: hsl(var(--fg)); }
.accordion-btn .sub { margin-top: 6px; font-family: var(--font-mono); font-size: 0.95rem; color: hsl(var(--fg3)); letter-spacing: .01em; }
.accordion-btn .chevron { flex-shrink: 0; color: hsl(var(--fg3)); transition: transform .4s var(--ease-spring); font-size: 1rem; }
.accordion-btn .chevron.open { transform: rotate(180deg); }
.accordion-content {
  border-top: 1.5px solid hsl(var(--border)); padding: 0 24px;
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height .5s var(--ease-smooth), opacity .4s var(--ease-smooth), padding .4s var(--ease-smooth);
}
.accordion-content.open { max-height: none; opacity: 1; padding: 20px 24px 24px; }
.accordion-content p { font-size: 1.0625rem; line-height: 1.8; color: hsl(var(--fg2)); }
.accordion-content button {
  margin-top: 16px; background: transparent;
  font-family: var(--font-mono); font-size: 0.95rem; color: hsl(var(--violet)); font-weight: 600;
  transition: color .2s, transform .2s; cursor: pointer; padding: 4px 0;
}
.accordion-content button:hover { color: hsl(265 65% 75%); transform: translateX(6px); }

/* ═══ QUIZ ═══ */
.quiz-box {
  max-width: 42rem; margin: 0 auto; overflow: hidden;
  border-radius: var(--radius); border: 1.5px solid hsl(var(--border)); 
  background: hsl(var(--surface)); box-shadow: 0 8px 32px hsl(220 18% 3% / .3);
}
.quiz-header {
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  border-bottom: 1.5px solid hsl(var(--border)); background: hsl(var(--bg2)); padding: 24px 28px;
}
.quiz-progress { flex: 1; }
.quiz-bar { height: 8px; border-radius: 99px; background: hsl(var(--bg3)); overflow: hidden; }
.quiz-bar-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, hsl(var(--violet)), hsl(var(--teal))); transition: width .7s var(--ease-smooth); }
.quiz-body { padding: 32px; }
.quiz-opt {
  display: flex; width: 100%; align-items: center; gap: 16px;
  border-radius: var(--radius); border: 1.5px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 16px 18px;
  text-align: left; font-size: .9375rem; color: hsl(var(--fg));
  transition: all .3s var(--ease-spring); margin-bottom: 12px; cursor: pointer;
}
.quiz-opt:hover:not(:disabled) { transform: translateX(8px); border-color: hsl(var(--violet)); background: hsl(265 65% 65% / .12); }
.quiz-opt:active:not(:disabled) { transform: translateX(4px) scale(0.98); }
.quiz-opt.correct { border-color: #4ade80; background: rgba(74, 222, 128, .12); animation: fadeUp .4s var(--ease-out); }
.quiz-opt.wrong { border-color: #f87171; background: rgba(248, 113, 113, .12); }
.quiz-opt:disabled { opacity: 0.7; cursor: default; }
.quiz-opt .letter {
  flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%;
  border: 1.5px solid hsl(var(--border)); background: hsl(var(--surface2));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .875rem; font-weight: 700;
  transition: all .3s; color: hsl(var(--fg2));
}
.quiz-opt:hover:not(:disabled) .letter { border-color: hsl(var(--violet)); background: hsl(265 65% 65% / .25); color: hsl(var(--violet)); }

/* ═══ MODAL ═══ */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  align-items: center; justify-content: center;
  background: hsl(220 18% 3% / .01); padding: 20px;
  backdrop-filter: blur(0px);
  transition: background .35s, backdrop-filter .35s;
  overflow-y: auto;
}
.modal-overlay.open { display: flex; background: hsl(220 18% 3% / .82); backdrop-filter: blur(10px); }
.modal-overlay.open .modal-box { animation: modalIn .45s var(--ease-spring); }
.modal-box {
  position: relative; width: 100%; max-width: 48rem; max-height: 90vh;
  overflow-y: auto; border-radius: var(--radius);
  border: 1.5px solid hsl(var(--border)); background: hsl(var(--bg3)); padding: 36px;
  box-shadow: 0 25px 60px hsl(220 18% 3% / .5);
}
.modal-close {
  position: absolute; right: 16px; top: 16px;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid hsl(var(--border)); background: hsl(var(--surface));
  color: hsl(var(--fg2)); display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; transition: all .3s var(--ease-spring);
}
.modal-close:hover { background: hsl(var(--surface2)); color: hsl(var(--fg)); transform: rotate(90deg) scale(1.1); }
.modal-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.modal-header .emoji { font-size: 3rem; }
.modal-section {
  border-radius: var(--radius); border: 1.5px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 24px; margin-bottom: 18px;
  transition: all .3s var(--ease-smooth);
}
.modal-section:hover { border-color: hsl(var(--border-hi)); background: hsl(var(--surface2)); }
.modal-section h4 { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: .875rem; font-weight: 600; margin-bottom: 12px; }
.modal-section p { font-size: .875rem; line-height: 1.8; color: hsl(var(--fg2)); }

/* ═══ REFERENSI ═══ */
.ref-card {
  overflow: hidden; border-radius: var(--radius);
  border: 1px solid hsl(var(--border)); background: hsl(var(--surface));
  transition: all .4s var(--ease-spring); margin-bottom: 16px;
}
.ref-card:hover { transform: translateY(-3px); border-color: hsl(var(--border-hi)); box-shadow: 0 12px 32px hsl(220 18% 3% / .5); }
.ref-card .inner { display: flex; align-items: flex-start; justify-content: space-between; padding: 24px; }
.ref-card h3 { font-size: 1.125rem; font-weight: 700; color: hsl(var(--fg)); }
.ref-card .rdesc { margin-top: 4px; font-size: .875rem; color: hsl(var(--fg3)); }
.ref-card .link-icon { flex-shrink: 0; padding: 8px; color: hsl(var(--fg3)); transition: all .3s var(--ease-spring); }
.ref-card .link-icon:hover { color: hsl(var(--teal)); transform: translate(2px, -2px); }

/* ═══ KONTAK ═══ */
.contact-grid { display: grid; gap: 32px; }
@media(min-width:768px) { .contact-grid { grid-template-columns: 1fr 1.5fr; } }
.contact-sidebar .card {
  overflow: hidden; border-radius: var(--radius);
  border: 1px solid hsl(var(--border)); background: hsl(var(--surface));
  transition: all .4s var(--ease-spring); margin-bottom: 16px;
}
.contact-sidebar .card:hover { transform: translateY(-3px); border-color: hsl(var(--border-hi)); box-shadow: 0 8px 24px hsl(220 18% 3% / .5); }
.contact-form-box {
  border-radius: var(--radius); border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 32px;
}
.contact-form-box label { display: block; margin-bottom: 6px; font-size: .875rem; font-weight: 600; color: hsl(var(--fg2)); }
.contact-form-box input, .contact-form-box textarea {
  width: 100%; border-radius: 4px; border: 1px solid hsl(var(--border));
  background: hsl(var(--bg2)); padding: 12px; font-size: .875rem;
  color: hsl(var(--fg)); font-family: var(--font-body); margin-bottom: 16px;
  transition: border-color .3s, box-shadow .3s;
}
.contact-form-box input::placeholder, .contact-form-box textarea::placeholder { color: hsl(var(--fg3)); }
.contact-form-box input:focus, .contact-form-box textarea:focus { outline: none; border-color: hsl(var(--teal)); box-shadow: 0 0 0 3px hsl(174 72% 52% / .15); }
.btn-violet {
  width: 100%; border-radius: var(--radius); background: hsl(var(--violet));
  padding: 12px; font-weight: 600; color: hsl(var(--fg));
  transition: all .35s var(--ease-spring);
}
.btn-violet:hover { filter: brightness(1.1); transform: translateY(-3px); box-shadow: 0 8px 24px hsl(265 65% 65% / .3); }
.btn-violet:active { transform: translateY(0) scale(0.97); }

/* ═══ FOOTER ═══ */
.footer { position: relative; z-index: 1; border-top: 1px solid hsl(var(--border)); background: hsl(var(--bg2)); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; padding: 56px 0; }
@media(min-width:640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media(min-width:1024px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer h3 { margin-bottom: 16px; font-family: var(--font-mono); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: hsl(var(--fg2)); }
.footer ul { list-style: none; }
.footer li { margin-bottom: 8px; }
.footer li a { font-size: .875rem; color: hsl(var(--fg3)); transition: color .3s, transform .2s; display: inline-block; }
.footer li a:hover { color: hsl(var(--teal)); transform: translateX(4px); }
.footer-bottom { border-top: 1px solid hsl(var(--border)); padding: 32px 0; text-align: center; }
.footer-bottom p { font-size: .875rem; color: hsl(var(--fg3)); }

/* ═══ TOAST ═══ */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 2000;
  border-radius: var(--radius); border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 16px 24px;
  box-shadow: 0 20px 60px hsl(220 18% 3% / .6);
  opacity: 0; transform: translateY(16px) scale(0.95); pointer-events: none;
  transition: all .4s var(--ease-spring);
}
.toast.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.toast.success { border-left: 4px solid #22c55e; }
.toast.error { border-left: 4px solid #ef4444; }

/* ═══ CREATORS PAGE ═══ */
.creators-page { padding: 72px 0 96px; }
.creators-intro { text-align: center; max-width: 42rem; margin: 0 auto 64px; }
.creators-intro h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 900; letter-spacing: -.025em; margin-bottom: 16px; }
.creators-intro p { font-size: 1.1rem; line-height: 1.75; color: hsl(var(--fg2)); }

.advisor-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  max-width: 420px; margin: 0 auto 64px; padding: 40px 32px;
  border-radius: var(--radius); border: 1px solid hsl(var(--amber) / .35);
  background: linear-gradient(135deg, hsl(var(--surface)), hsl(38 95% 58% / .05));
  position: relative; overflow: hidden; transition: all .4s var(--ease-spring);
}
.advisor-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg, hsl(var(--amber)), hsl(var(--teal))); }
.advisor-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px hsl(38 95% 58% / .15); }
.advisor-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  background: linear-gradient(135deg, hsl(var(--amber)), hsl(38 95% 72%));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; font-weight: 900; color: hsl(220 18% 10%);
  margin-bottom: 20px; box-shadow: 0 8px 24px hsl(38 95% 58% / .3);
  border: 3px solid hsl(var(--amber) / .4); font-family: var(--font-display);
}
.advisor-role { font-family: var(--font-mono); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: hsl(var(--amber)); margin-bottom: 8px; }
.advisor-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: hsl(var(--fg)); margin-bottom: 6px; }
.advisor-info { font-size: .9rem; color: hsl(var(--fg3)); line-height: 1.6; }

.creators-section-label { text-align: center; font-family: var(--font-mono); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: hsl(var(--teal)); margin-bottom: 32px; }
.creators-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); gap: 20px; }
@media (min-width: 900px) { .creators-grid { grid-template-columns: repeat(4, 1fr); } }

.creator-card {
  border-radius: var(--radius); border: 1px solid hsl(var(--border));
  background: hsl(var(--surface)); padding: 28px 20px; text-align: center;
  position: relative; overflow: hidden; transition: all .4s var(--ease-spring);
}
.creator-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, hsl(var(--teal)), hsl(var(--violet)));
  transform:scaleX(0); transform-origin:left; transition:transform .5s var(--ease-smooth);
}
.creator-card:hover::before { transform: scaleX(1); }
.creator-card:hover { transform: translateY(-8px); border-color: hsl(var(--teal) / .4); box-shadow: 0 16px 40px hsl(174 72% 52% / .15); }
.creator-photo {
  width: 100%;
  min-height: 220px;
  border-radius: calc(var(--radius) - 4px) calc(var(--radius) - 4px) 0 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform .4s var(--ease-spring);
}
.creator-card:hover .creator-photo { transform: scale(1.03); }
.creator-details {
  padding: 22px 20px 18px;
  background: hsl(var(--surface2));
  border-top: 1px solid hsl(var(--border));
  display: grid;
  gap: 10px;
}
.creator-name { font-weight: 800; font-size: 1.05rem; color: hsl(var(--fg)); margin-bottom: 0; }
.creator-role { font-size: .9rem; font-weight: 700; color: hsl(var(--teal)); font-family: var(--font-mono); margin-bottom: 0; }
.creator-nim { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; color: hsl(var(--fg3)); }
.creator-bio { margin: 0; font-size: .95rem; line-height: 1.6; color: hsl(var(--fg2)); }
.creator-card.avatar-1 .creator-details { background: linear-gradient(180deg, hsl(174 72% 95%), hsl(174 72% 92%)); }
.creator-card.avatar-2 .creator-details { background: linear-gradient(180deg, hsl(265 65% 94%), hsl(265 65% 90%)); }
.creator-card.avatar-3 .creator-details { background: linear-gradient(180deg, hsl(38 95% 92%), hsl(38 95% 88%)); }
.creator-card.avatar-4 .creator-details { background: linear-gradient(180deg, hsl(340 75% 94%), hsl(340 75% 90%)); }

/* ═══ UTILITY CLASSES ═══ */
.text-center { text-align: center; }
.animate-fade-up {
  animation: fadeUp .5s cubic-bezier(0,0,0.2,1) both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.py-16 { padding-top: 64px; padding-bottom: 64px; }
.py-20 { padding-top: 80px; padding-bottom: 80px; }
.pt-8 { padding-top: 32px; }
.max-w-3xl { max-width: 48rem; margin-left: auto; margin-right: auto; }

/* ═══ LIGHT MODE FIXES ═══ */
.light .navbar { background: hsl(var(--bg) / .92); }
.light .modal-overlay.open { background: hsl(220 18% 3% / .6); }
.light .modal-box { background: hsl(var(--surface)); }
.light .toast { background: hsl(var(--surface)); color: hsl(var(--fg)); }
.light .dropdown { background: hsl(var(--bg) / .97); box-shadow: 0 12px 40px hsl(220 18% 3% / .15); }
.light .quiz-header { background: hsl(var(--surface2)); }
.light .subject-card { background: hsl(var(--surface)); }
.light .materi-card.new-teal { background: linear-gradient(135deg, hsl(var(--surface)), hsl(174 65% 95%)); }
.light .materi-card.new-violet { background: linear-gradient(135deg, hsl(var(--surface)), hsl(265 55% 96%)); }
.light .materi-card.new-green { background: linear-gradient(135deg, hsl(var(--surface)), hsl(150 60% 95%)); }
.light .btn-primary { color: #fff; }
.light .btn-amber { color: hsl(220 25% 14%); }
.light body::before {
  background-image: linear-gradient(hsl(214 20% 70% / .3) 1px, transparent 1px),
                     linear-gradient(90deg, hsl(214 20% 70% / .3) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ═══ RESPONSIVE — MOBILE ═══ */
@media (max-width: 768px) {
  .container { padding: 0 1rem; }
  .navbar .logo { min-width: 0; }
  .navbar .logo-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero { min-height: auto; }
  .hero .grid { grid-template-columns: 1fr !important; gap: 32px !important; padding: 64px 0 48px !important; }
  .hero .grid > div:first-child { position: static !important; }
  .hero h1 { font-size: clamp(2rem, 8vw, 3rem) !important; }
  .hero p.desc { font-size: 1rem; }
  .hero .blob1, .hero .blob2 { width: 250px; height: 250px; }
  .btn-primary, .btn-outline { padding: 12px 24px; font-size: .9rem; width: auto; max-width: 100%; justify-content: center; }
  .hero .animate-fade-up > .btn-primary,
  .hero .animate-fade-up > .btn-outline { width: 100%; }
  #subjectCards { gap: 10px !important; }
  .subject-card .top { gap: 12px; }
  .subject-card p { font-size: .8rem; }
  .topics-inner { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)) !important; gap: 4px !important; }
  .topic-tile { padding: 6px 8px; }
  .topic-tile .name { font-size: .75rem; }
  .topic-tile .num { font-size: .7rem; }
  .topics-bottom { flex-direction: column; gap: 10px !important; }
  .stat-card { padding: 24px; }
  .stat-num { font-size: 2rem; }
  .feature-card { padding: 20px; }
  .cta-section { padding: 64px 0 !important; }
  .tabs { gap: 6px; }
  .tab-btn { padding: 6px 14px; font-size: .85rem; }
  .materi-card { padding: 20px; }
  .section-header h2 { font-size: 1.2rem; }
  .fact-card { padding: 20px; }
  .vokasi-section { padding: 64px 0; }
  .accordion-btn { padding: 16px; gap: 12px; }
  .accordion-btn .emoji { font-size: 1.5rem; }
  .accordion-btn h3 { font-size: .95rem; }
  .quiz-header { flex-direction: column; gap: 12px; padding: 16px; }
  .quiz-body { padding: 20px; }
  .quiz-opt { padding: 12px; gap: 10px; font-size: .8rem; }
  .modal-box { padding: 20px; max-height: 90vh; }
  .modal-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .modal-header .emoji { font-size: 2.25rem; }
  .modal-close { right: 12px; top: 12px; width: 36px; height: 36px; }
  .contact-grid { grid-template-columns: 1fr !important; }
  .contact-form-box { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr !important; gap: 24px; padding: 40px 0; }
  .footer-bottom { padding: 24px 0; }
  .filter-btns { gap: 6px; }
  .filter-btn { padding: 6px 12px; font-size: .75rem; }
  .creators-page { padding: 48px 0 64px; }
  .creators-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
  .creator-card { padding: 20px 12px; }
  .creator-avatar { width: 60px; height: 60px; font-size: 1.4rem; }
  .creator-name { font-size: .85rem; }
  .advisor-card { padding: 28px 20px; margin-bottom: 40px; }
  .advisor-avatar { width: 72px; height: 72px; font-size: 2rem; }
  .ref-card .inner { flex-direction: column; gap: 12px; padding: 16px; }
  .notice { padding: 28px 20px; }
  .notice h2 { font-size: 1.2rem; }
  .toast { left: 16px; right: 16px; bottom: 16px; }
  .py-20 { padding-top: 48px; padding-bottom: 48px; }
  .mb-12 { margin-bottom: 32px; }
  .dropdown {
    position: fixed !important;
    top: 64px !important;
    left: 0 !important;
    right: 0 !important;
    width: auto !important;
    max-width: 100vw !important;
    margin: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 10px 14px !important;
    background: hsl(var(--bg) / .97) !important;
    z-index: 1001 !important;
    max-height: calc(100vh - 72px) !important;
    overflow-y: auto !important;
  }
}

@media (max-width: 400px) {
  .container { padding: 0 .75rem; }  .hero h1 { font-size: 1.75rem !important; }
  .badge { font-size: .75rem; padding: 4px 12px; }
  .creators-grid { grid-template-columns: 1fr !important; }
  .btn-primary, .btn-outline { padding: 10px 16px; }
  .stat-num { font-size: 1.75rem; }
  .navbar .logo-text { font-size: 1rem; }
}

/* Prevent horizontal overflow */
html, body { overflow-x: hidden; max-width: 100vw; }
img, video, iframe { max-width: 100%; height: auto; }
/* ═══════════════════════════════════════════
   ADAPTIVE CARD SYSTEM
   - Desktop (≥1024px): Grid statis, tanpa slider
   - Tablet (≥768px–1024px): Slider grup
   - Mobile (<768px): Slider 1 card
   ═══════════════════════════════════════════ */

/* ── Wrapper carousel ── */
.carousel-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
}

@media (max-width: 768px) {
  .carousel-wrap { overflow: hidden; }
  .stats-grid,
  .features-grid,
  .materi-grid,
  .fact-grid,
  .vokasi-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 16px;
    touch-action: pan-x;
    -webkit-overflow-scrolling: touch;
  }
  .stats-grid > *,
  .features-grid > *,
  .materi-grid > *,
  .fact-grid > *,
  .vokasi-grid > * {
    flex: 0 0 min(90vw, 340px) !important;
    scroll-snap-align: start;
    min-width: min(90vw, 340px) !important;
    max-width: min(90vw, 340px) !important;
  }
}

/* ── Default: grid normal (Desktop) ──
   JS akan tambah class .is-slider hanya jika perlu */
.stats-grid,
.features-grid,
.materi-grid,
.fact-grid,
.vokasi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 24px;
  padding: 8px 4px;
  /* pastikan tidak overflow di mode grid */
  overflow-x: visible;
  scroll-snap-type: none;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

/* ── Card base ── */
.stats-grid > *,
.features-grid > *,
.materi-grid > *,
.fact-grid > *,
.vokasi-grid > * {
  border-radius: 18px;
  box-shadow: 0 8px 28px hsl(220 18% 3% / .30);
  transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease-smooth);
  /* reset flex sizing (mode slider akan override via JS inline) */
  flex: none;
  min-width: 0;
  max-width: none;
}
.stats-grid > *:hover,
.features-grid > *:hover,
.materi-grid > *:hover,
.fact-grid > *:hover,
.vokasi-grid > *:hover {
  transform: translateY(-4px) scale(1.015);
  box-shadow: 0 14px 36px hsl(220 18% 3% / .45);
}

/* ── Mode SLIDER (aktif via JS: tambah class .is-slider ke grid) ── */
.stats-grid.is-slider,
.features-grid.is-slider,
.materi-grid.is-slider,
.fact-grid.is-slider,
.vokasi-grid.is-slider {
  display: flex !important;
  flex-wrap: nowrap !important;
  overflow-x: auto !important;
  overflow-y: visible;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 12px 4px 32px !important;
  -ms-overflow-style: none;
  scrollbar-width: none;
  touch-action: pan-x;
  -webkit-overflow-scrolling: touch;
  /* scroll padding biar card pertama tidak terpotong */
  scroll-padding-inline: 8px;
}
.stats-grid.is-slider::-webkit-scrollbar,
.features-grid.is-slider::-webkit-scrollbar,
.materi-grid.is-slider::-webkit-scrollbar,
.fact-grid.is-slider::-webkit-scrollbar,
.vokasi-grid.is-slider::-webkit-scrollbar {
  display: none;
}

/* Card width di mode slider diatur via JS (calc per breakpoint) */
.is-slider > * {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  flex-shrink: 0 !important;
  min-width: min(90vw, 340px) !important;
  max-width: min(90vw, 340px) !important;
  width: auto !important;
}

/* ── Tombol navigasi — hanya muncul saat .is-slider ── */
.carousel-btn {
  display: none; /* tersembunyi by default */
  position: absolute;
  top: calc(50% - 20px); /* kompensasi dots di bawah */
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid hsl(var(--border-hi));
  background: hsl(var(--surface) / .94);
  color: hsl(var(--fg));
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 18px hsl(220 18% 3% / .4);
  transition: transform .25s var(--ease-spring), background .2s, opacity .2s;
}
/* Tampilkan hanya jika slider aktif */
.carousel-wrap:has(.is-slider) .carousel-btn {
  display: flex;
}
/* Fallback untuk browser yang tidak support :has() — JS akan toggle class .slider-active */
.carousel-wrap.slider-active .carousel-btn {
  display: flex;
}
.carousel-btn:hover {
  transform: translateY(-50%) scale(1.1);
  background: hsl(var(--teal));
  color: hsl(220 18% 7%);
  border-color: transparent;
}
.carousel-btn.prev { left: -6px; }
.carousel-btn.next { right: -6px; }
.carousel-btn[disabled] { opacity: .3; cursor: default; pointer-events: none; }

@media (max-width: 640px) {
  .carousel-btn { width: 38px; height: 38px; font-size: .95rem; }
  .carousel-btn.prev { left: 2px; }
  .carousel-btn.next { right: 2px; }
}

/* ── Dots — hanya muncul saat slider aktif ── */
.carousel-dots {
  display: none; /* hidden by default */
  gap: 7px;
  justify-content: center;
  margin-top: 16px;
  flex-wrap: wrap;
  padding: 0 8px;
}
.carousel-wrap:has(.is-slider) .carousel-dots {
  display: flex;
}
.carousel-wrap.slider-active .carousel-dots {
  display: flex; /* fallback */
}

.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: hsl(var(--border-hi));
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all .3s var(--ease-spring);
  flex-shrink: 0;
}
.carousel-dot.active {
  width: 24px;
  background: hsl(var(--teal));
}
.carousel-dot:hover:not(.active) {
  background: hsl(var(--teal-dim));
  width: 12px;
}
/* Perbaikan kotak agar tidak berantakan */
.topics-grid {
  overflow: hidden;
  will-change: max-height;
}

.subject-card.active .topics-grid {
  max-height: none; /* langsung menyesuaikan konten */
}