/* ════════════════════════════════════════
   SHARED DESIGN SYSTEM — v3.0
   ────────────────────────────────────────
   Unified tokens, reset, typography, layout,
   animations, dark mode, and utilities.
   ════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,600;12..96,700;12..96,800&family=Inter:wght@400;500;600;700;800&family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* ── TOKENS ── */
:root {
  color-scheme: light dark;

  /* Palette */
  --bg:       #f7f4ec;
  --bg-2:     #ebe7dc;
  --bg-3:     #e8e5db;
  --surface:  #fffef9;
  --surface-glass: rgba(255, 254, 249, 0.88);

  --ink:      #17191d;
  --ink-2:    #434a54;
  --ink-3:    #747c88;
  --ink-4:    #9ba2b0;

  --accent:       #002147;
  --accent-2:     #315b86;
  --accent-light: #8bbcff;
  --accent-warm:  #c8410a;
  --accent-warm-2:#e8873a;

  --edu: #1a56a0;
  --par: #6b21a8;

  --line:       rgba(0, 33, 71, 0.16);
  --line-strong:rgba(0, 33, 71, 0.24);

  --danger: #ba1a1a;
  --success:#15803d;
  --warning:#b45309;

  /* Shadows */
  --shadow-xs: 0 1px 2px  rgba(12, 35, 64, 0.04);
  --shadow-sm: 0 1px 3px  rgba(12, 35, 64, 0.06), 0 1px 2px rgba(12,35,64,0.04);
  --shadow-md: 0 4px 16px rgba(12, 35, 64, 0.08), 0 2px 4px rgba(12,35,64,0.04);
  --shadow-lg: 0 12px 40px rgba(12, 35, 64, 0.10), 0 4px 8px rgba(12,35,64,0.04);
  --shadow-xl: 0 24px 60px rgba(12, 35, 64, 0.12), 0 8px 16px rgba(12,35,64,0.06);

  /* Radius */
  --r-xs: 2px;
  --r-sm: 4px;
  --r-md: 4px;
  --r-lg: 4px;
  --r-xl: 6px;
  --r-2xl:8px;
  --r-full:999px;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10:40px;
  --space-12:48px;
  --space-16:64px;
  --space-20:80px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.22, 0.9, 0.22, 1);
  --dur-fast: 150ms;
  --dur-base: 250ms;
  --dur-slow: 400ms;

  /* Grid pattern */
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");

  /* ── ALIASES — backward-compat for pages using alternate naming ── */
  --ink2: var(--ink-2);
  --ink3: var(--ink-3);
  --ink4: var(--ink-4);
  --bg2:  var(--bg-2);
  --bg3:  var(--bg-3);
  --card: var(--surface);
  --paper:var(--surface);
}

/* ── DARK (system) ── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg:       #0b111a;
    --bg-2:     #101925;
    --bg-3:     #1a2230;
    --surface:  rgba(17, 27, 41, 0.86);
    --surface-glass: rgba(17, 27, 41, 0.78);

    --ink:      #f3f0e8;
    --ink-2:    #c4c9d2;
    --ink-3:    #8f9aaa;
    --ink-4:    #5e5a52;

    --accent:       #8bbcff;
    --accent-2:     #c6dcff;
    --accent-light: #5a9fff;
    --accent-warm:  #ff8c5a;
    --accent-warm-2:#ffb380;

    --edu: #60a5fa;
    --par: #c084fc;

    --line:       rgba(243, 240, 232, 0.13);
    --line-strong:rgba(243, 240, 232, 0.22);

    --danger: #f87171;
    --success:#4ade80;
    --warning:#fbbf24;

    --shadow-xs: 0 1px 2px  rgba(0,0,0,0.30);
    --shadow-sm: 0 1px 3px  rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.25);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.40), 0 2px 4px rgba(0,0,0,0.25);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.45), 0 4px 8px rgba(0,0,0,0.30);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.50), 0 8px 16px rgba(0,0,0,0.35);
  }
}

/* Manual dark via data-theme */
[data-theme="dark"] {
  --bg:       #0b111a;
  --bg-2:     #101925;
  --bg-3:     #1a2230;
  --surface:  rgba(17, 27, 41, 0.86);
  --surface-glass: rgba(17, 27, 41, 0.78);
  --ink:      #f3f0e8;
  --ink-2:    #c4c9d2;
  --ink-3:    #8f9aaa;
  --ink-4:    #5e5a52;
  --accent:       #8bbcff;
  --accent-2:     #c6dcff;
  --accent-light: #5a9fff;
  --accent-warm:  #ff8c5a;
  --accent-warm-2:#ffb380;
  --edu: #60a5fa;
  --par: #c084fc;
  --line:       rgba(243, 240, 232, 0.13);
  --line-strong:rgba(243, 240, 232, 0.22);
  --danger: #f87171;
  --success:#4ade80;
  --warning:#fbbf24;
  --shadow-xs: 0 1px 2px  rgba(0,0,0,0.30);
  --shadow-sm: 0 1px 3px  rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.40), 0 2px 4px rgba(0,0,0,0.25);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45), 0 4px 8px rgba(0,0,0,0.30);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.50), 0 8px 16px rgba(0,0,0,0.35);
}
[data-theme="light"] {
  --bg:       #f7f4ec;
  --bg-2:     #ebe7dc;
  --bg-3:     #e8e5db;
  --surface:  #fffef9;
  --surface-glass: rgba(255, 254, 249, 0.88);
  --ink:      #17191d;
  --ink-2:    #434a54;
  --ink-3:    #747c88;
  --ink-4:    #9ba2b0;
  --accent:       #002147;
  --accent-2:     #315b86;
  --accent-light: #8bbcff;
  --accent-warm:  #c8410a;
  --accent-warm-2:#e8873a;
  --edu: #1a56a0;
  --par: #6b21a8;
  --line:       rgba(0, 33, 71, 0.16);
  --line-strong:rgba(0, 33, 71, 0.24);
  --danger: #ba1a1a;
  --success:#15803d;
  --warning:#b45309;
  --shadow-xs: 0 1px 2px  rgba(12, 35, 64, 0.04);
  --shadow-sm: 0 1px 3px  rgba(12, 35, 64, 0.06), 0 1px 2px rgba(12,35,64,0.04);
  --shadow-md: 0 4px 16px rgba(12, 35, 64, 0.08), 0 2px 4px rgba(12,35,64,0.04);
  --shadow-lg: 0 12px 40px rgba(12, 35, 64, 0.10), 0 4px 8px rgba(12,35,64,0.04);
  --shadow-xl: 0 24px 60px rgba(12, 35, 64, 0.12), 0 8px 16px rgba(12,35,64,0.06);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  background-color: var(--bg);
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--accent) 5.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--accent) 5.5%, transparent) 1px, transparent 1px),
    var(--noise);
  background-size: 48px 48px, 48px 48px, 200px 200px;
  color: var(--ink);
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100svh;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  min-width: 1em;
  height: 1em;
  overflow: hidden;
  flex: 0 0 auto;
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: "liga";
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  line-height: 1.15;
  color: var(--ink);
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: 0; }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.05rem; }

p { max-width: 70ch; }

/* ── SCROLL PROGRESS ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 9999;
  background: transparent;
  pointer-events: none;
}
.scroll-progress::before {
  content: "";
  display: block;
  height: 100%;
  width: var(--scroll, 0%);
  background: linear-gradient(90deg, var(--accent-warm), var(--accent));
  transition: width 50ms linear;
}

/* ── NAVIGATION ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 72px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  min-height: 72px;
}
.site-nav-logo {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.16rem;
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--dur-fast) ease;
  flex-shrink: 0;
}
.site-nav-logo:hover { opacity: 0.72; }

.site-nav-back {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-2);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--dur-fast) ease;
  flex-shrink: 0;
}
.site-nav-back:hover { color: var(--accent); }

.site-nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}
.site-nav-links a {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ink-2);
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--dur-fast) ease;
  position: relative;
}
.site-nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--dur-base) var(--ease-out);
}
.site-nav-links a:hover,
.site-nav-links a.active {
  color: var(--accent);
}
.site-nav-links a.active::after,
.site-nav-links a:hover::after {
  width: 100%;
}

/* Nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  border-radius: var(--r-md);
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink-2);
  border-radius: 2px;
  transition: transform 250ms ease, opacity 250ms ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── THEME TOGGLE ── */
.theme-toggle {
  width: 40px; height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.theme-toggle .material-symbols-outlined {
  font-size: 20px;
  width: 20px;
  height: 20px;
}
.theme-toggle:hover {
  border-color: var(--accent);
  transform: scale(1.05);
}

/* ── BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  border-radius: 3px;
  padding: 5px 14px;
}
.badge--edu { color: var(--edu); border-color: color-mix(in srgb, var(--edu) 25%, transparent); background: color-mix(in srgb, var(--edu) 7%, transparent); }
.badge--par { color: var(--par); border-color: color-mix(in srgb, var(--par) 25%, transparent); background: color-mix(in srgb, var(--par) 7%, transparent); }
.badge--closed { color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); background: color-mix(in srgb, var(--success) 7%, transparent); }
.badge--warn { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 25%, transparent); background: color-mix(in srgb, var(--warning) 7%, transparent); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 3px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: opacity var(--dur-fast);
}
.btn:hover::after { opacity: 1; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { box-shadow: var(--shadow-md); }

.btn--edu { background: var(--edu); color: #fff; box-shadow: var(--shadow-sm); }
.btn--edu:hover { box-shadow: var(--shadow-md); }
.btn--par { background: var(--par); color: #fff; box-shadow: var(--shadow-sm); }
.btn--par:hover { box-shadow: var(--shadow-md); }

.btn--ghost {
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--line);
}
.btn--ghost:hover { background: var(--bg-2); }

.btn--danger { background: var(--danger); color: #fff; }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), border-color var(--dur-fast);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}

/* ── GLASS CARD ── */
.glass-card {
  background: var(--surface-glass);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  position: relative;
  overflow: hidden;
}

/* ── DIVIDER ── */
.divider {
  width: 64px;
  height: 1px;
  background: var(--line-strong);
  border-radius: 0;
}
.divider--center { margin: 0 auto; }

/* ── SECTION LABEL ── */
.section-label {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--space-3);
  display: block;
}

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.78rem;
  color: var(--ink-4);
  flex-wrap: wrap;
  text-align: center;
}
.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: opacity var(--dur-fast);
}
.site-footer a:hover { opacity: 0.72; text-decoration: underline; }

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px; height: 44px;
  border-radius: var(--r-full);
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--dur-base), transform var(--dur-base) var(--ease-out);
  z-index: 200;
  border: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover { transform: translateY(-3px) scale(1.05); box-shadow: var(--shadow-lg); }

/* ── SKELETON LOADING ── */
@keyframes skeleton-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--bg-2) 25%, var(--bg-3) 50%, var(--bg-2) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.8s ease-in-out infinite;
  border-radius: var(--r-sm);
  pointer-events: none;
}

/* ── ANIMATIONS ── */
@keyframes rise-in {
  from { transform: translateY(16px) scale(0.993); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
@keyframes fade-up {
  from { transform: translateY(24px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}
@keyframes text-shimmer {
  from { background-position: 200% center; }
  to   { background-position: -200% center; }
}

.fade-up {
  opacity: 1;
  transform: none;
  animation: none;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
  animation: none;
}

.stagger-1 { transition-delay: 80ms; }
.stagger-2 { transition-delay: 160ms; }
.stagger-3 { transition-delay: 240ms; }
.stagger-4 { transition-delay: 320ms; }

/* ── DETAILS / ORIGIN DISCLOSURE ── */
.origin-disclosure {
  margin-top: var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--ink-2);
  overflow: hidden;
}
.origin-disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  list-style: none;
  user-select: none;
}
.origin-disclosure summary::-webkit-details-marker { display: none; }
.origin-disclosure summary::after {
  content: "+";
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: var(--r-full);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  background: var(--bg-2);
  flex-shrink: 0;
  font-size: 0.85rem;
}
.origin-disclosure[open] summary::after { content: "−"; }
.origin-body {
  padding: 0 14px 14px;
  font-size: 0.86rem;
  line-height: 1.65;
}
.origin-body p + p { margin-top: 8px; }
.origin-label { font-weight: 800; color: var(--ink); }

/* ── TABLES ── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.82rem;
}
th, td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th {
  color: var(--ink-3);
  background: var(--bg-2);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
tr:last-child td { border-bottom: 0; }
tr:hover td { background: color-mix(in srgb, var(--accent) 2%, transparent); }

/* ── LAYOUT UTILITIES ── */
.container {
  width: min(calc(100% - var(--space-8)), 1200px);
  margin: 0 auto;
}
.container--wide {
  width: min(calc(100% - var(--space-8)), 1480px);
}
.container--narrow {
  width: min(calc(100% - var(--space-8)), 920px);
}

.grid-2 { display: grid; gap: var(--space-5); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: var(--space-5); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { display: grid; gap: var(--space-5); grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .site-nav { padding: var(--space-3) var(--space-4); }
  .site-footer { padding: var(--space-4) var(--space-5); }
}

@media (max-width: 768px) {
  .site-nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 2px;
    background: var(--surface-glass);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border-bottom: 1px solid var(--line);
    padding: var(--space-3) var(--space-4) var(--space-4);
  }
  .site-nav-links.open { display: flex; }
  .site-nav-links a {
    padding: 10px 12px;
    border-radius: var(--r-md);
    font-size: 0.9rem;
  }
  .site-nav-links a:hover { background: var(--bg-2); }
  .nav-toggle { display: flex; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .site-nav { min-height: 68px; padding: var(--space-2) var(--space-4); }
  .site-nav-logo { font-size: 0.95rem; }
}

/* ── REDUCED MOTION ── */
@media (max-width: 480px) {
  .error-link span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-up { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .skeleton { animation: none; background: var(--bg-2); }
}

/* ── HUB-SPECIFIC SHARED ── */
.hub-layout {
  max-width: none;
  margin: 0 auto;
  padding: clamp(48px, 6vw, 92px) clamp(24px, 7vw, 128px) clamp(72px, 8vw, 118px);
  width: 100%;
}
.hub-header {
  padding: var(--space-6) 0 var(--space-7);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-10);
}
.hub-header h1 {
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  font-weight: 750;
  line-height: 1.05;
  letter-spacing: 0;
  color: var(--ink);
  margin: var(--space-4) 0 var(--space-2);
}
.hub-lead {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.72;
  max-width: 72ch;
  margin-top: var(--space-3);
}
.hub-pills {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.hub-pills span {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, var(--bg-2));
  border: 1px solid var(--line);
}

/* ── MATERIAL CARDS ── */
.mat-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-5);
  border-radius: 3px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-base) var(--ease-out);
}
.mat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--line-strong);
  background: var(--surface);
}
.mat-card strong {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 750;
  color: var(--ink);
  transition: color var(--dur-fast);
}
.mat-card:hover strong { color: var(--accent); }
.mat-card span {
  color: var(--ink-3);
  font-size: 0.86rem;
  font-family: "Inter", system-ui, sans-serif;
}
.mat-card--video,
.mat-card--text {
  border-left: 1px solid var(--line);
}

/* ── HUB ACTIONS ── */
.hub-actions {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin-top: var(--space-6);
}
@media (min-width: 640px) {
  .hub-actions { grid-template-columns: repeat(3, 1fr); }
}
.hub-action-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-radius: 3px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.94rem;
  transition: all var(--dur-base) var(--ease-out);
  box-shadow: var(--shadow-sm);
}
.hub-action-card:hover {
  transform: translateX(6px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
  background: var(--surface);
}
.hub-action-card strong {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.9rem;
  color: var(--ink-2);
}
.hub-action-card span {
  color: var(--ink-4);
  font-weight: 400;
  font-size: 0.78rem;
  margin-left: auto;
  font-family: monospace;
}

/* ── STORY PAGES ── */
.story-layout {
  max-width: 860px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6) var(--space-16);
  flex: 1;
  width: 100%;
}
.story-header { margin-bottom: var(--space-4); }
.story-header h1 {
  font-size: clamp(1.85rem, 4vw, 2.8rem);
  font-weight: 750;
  letter-spacing: 0;
  text-wrap: balance;
  margin-top: var(--space-3);
  color: var(--story-title, var(--ink));
}
.story-content {
  margin-top: var(--space-7);
  border: 1px solid var(--story-border, var(--line));
  border-radius: 3px;
  background: var(--story-text-bg, var(--surface));
  padding: var(--space-8) var(--space-7);
  position: relative;
  box-shadow: var(--shadow-md);
}
.story-content::before,
.story-content::after {
  content: "";
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 3px;
  background: linear-gradient(140deg, var(--story-deco-a, var(--accent-warm)), var(--story-deco-b, var(--accent)));
  box-shadow: 0 0 0 4px var(--surface);
}
.story-content::before { top: 16px; right: 16px; }
.story-content::after  { bottom: 16px; left: 16px; }
.story-content p {
  margin-top: var(--space-5);
  color: var(--story-ink, var(--ink-2));
  font-size: 1.08rem;
  line-height: 1.85;
  user-select: none;
  -webkit-user-select: none;
}
.story-content p:first-of-type { margin-top: 0; }
.story-content p:first-of-type::first-letter {
  float: left;
  margin-right: 12px;
  margin-top: 4px;
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 700;
  font-size: 3.2em;
  line-height: 0.82;
  color: var(--story-dropcap, var(--accent));
  text-shadow: 0 3px 10px color-mix(in srgb, var(--accent) 15%, transparent);
}
.story-home-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-8) auto 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-3);
  text-decoration: none;
  text-align: center;
  transition: all var(--dur-fast);
  font-family: "Inter", system-ui, sans-serif;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 10px 20px;
  border-radius: 3px;
  width: auto;
  box-shadow: var(--shadow-sm);
}
.story-home-btn:hover {
  color: var(--accent);
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

body[class*="story-"] {
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse 70% 50% at 10% 0%, var(--story-bg-a, color-mix(in srgb, var(--accent-warm) 6%, transparent)), transparent),
    radial-gradient(ellipse 60% 40% at 90% 100%, var(--story-bg-b, color-mix(in srgb, var(--accent) 5%, transparent)), transparent),
    var(--noise);
}

/* Story dark overrides */
@media (prefers-color-scheme: dark) {
  body[class*="story-"] {
    --story-text-bg: var(--surface);
    --story-border: var(--line);
    --story-ink: var(--ink-2);
  }
}
[data-theme="dark"] body[class*="story-"] {
  --story-text-bg: var(--surface);
  --story-border: var(--line);
  --story-ink: var(--ink-2);
}

@media (max-width: 768px) {
  .hub-layout { padding: var(--space-6) var(--space-4) var(--space-12); }
  .story-layout { padding: var(--space-6) var(--space-4) var(--space-12); }
  .story-content { padding: var(--space-6) var(--space-5); border-radius: 3px; }
  .story-content p { font-size: 1rem; line-height: 1.78; }
}
@media (max-width: 480px) {
  .story-header h1 { font-size: clamp(1.5rem, 7vw, 2rem); }
  .story-content { padding: var(--space-5) var(--space-4); }
}

/* ── SURVEY / REDIRECT PAGE SHARED ── */
.redirect-page {
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: clamp(12px, 3vw, 24px);
}
.redirect-card {
  width: min(100%, 520px);
  text-align: center;
  animation: rise-in 560ms var(--ease-spring) both;
}
.redirect-card .badge {
  margin-bottom: clamp(8px, 1.5vh, 14px);
}
.redirect-card h1 {
  font-size: clamp(1.35rem, 4.5vw, 2.2rem);
  letter-spacing: 0;
  margin-bottom: clamp(4px, 1vh, 8px);
}
.redirect-subtitle {
  color: var(--ink-2);
  font-size: clamp(0.82rem, 2.2vw, 0.92rem);
  line-height: 1.55;
  margin-bottom: clamp(12px, 2.5vh, 20px);
}
.redirect-media {
  position: relative;
  display: grid;
  justify-items: center;
  gap: clamp(8px, 1.5vh, 14px);
  margin-bottom: clamp(2px, 0.5vh, 4px);
}
.redirect-gif {
  width: clamp(120px, 35vmin, 220px);
  height: clamp(120px, 35vmin, 220px);
  border-radius: 3px;
}
.redirect-status {
  position: relative;
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: clamp(8px, 1.5vh, 12px) 14px;
}
.timer-row {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-2);
  display: flex;
  gap: 5px;
  align-items: baseline;
  justify-content: center;
  font-family: "Inter", system-ui, sans-serif;
}
#timer {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  display: inline-block;
}
.progress {
  width: 100%;
  height: 5px;
  border-radius: var(--r-full);
  background: var(--bg-3);
  margin-top: 10px;
  overflow: hidden;
}
#progressBar {
  width: 0%; height: 100%;
  min-width: 2px;
  background: linear-gradient(90deg, var(--accent-warm), var(--accent));
  background-size: 200% auto;
  transition: width 120ms linear;
  border-radius: var(--r-full);
}
.redirect-actions { margin-top: clamp(8px, 1.5vh, 14px); }
.redirect-note {
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--ink-4);
  text-align: center;
  font-family: "Inter", system-ui, sans-serif;
}

/* Closed state */
.survey-closed-card .badge-closed { color: var(--success); border-color: color-mix(in srgb, var(--success) 25%, transparent); background: color-mix(in srgb, var(--success) 7%, transparent); }
.closed-title { color: var(--ink); }
.closed-status {
  width: 100%;
  background: color-mix(in srgb, var(--success) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--success) 18%, transparent);
  border-radius: 3px;
  padding: clamp(10px, 1.8vh, 14px) 14px;
}
.closed-status-text {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-2);
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  line-height: 1.5;
  font-family: "Inter", system-ui, sans-serif;
}
.closed-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}
.closed-home-btn {
  display: block;
  width: 100%;
  border: none;
  border-radius: 3px;
  padding: clamp(10px, 1.8vh, 13px) 16px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: clamp(0.85rem, 2.2vw, 0.95rem);
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast), box-shadow var(--dur-fast);
  letter-spacing: 0.01em;
  text-decoration: none;
  text-align: center;
}
.closed-home-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* In-app browser prompt */
.inapp-prompt {
  margin: 0 0 clamp(12px, 2.2vh, 18px);
  padding: 14px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: var(--shadow-sm);
}
.inapp-prompt-title {
  margin: 0 0 6px;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}
.inapp-prompt-copy,
.inapp-prompt-note {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.82rem;
  line-height: 1.55;
}
.inapp-prompt-actions { margin: 12px 0 10px; }
.inapp-copy-btn {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-2);
  color: var(--accent);
  padding: 11px 14px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--dur-fast), background var(--dur-fast);
}
.inapp-copy-btn:hover {
  transform: translateY(-1px);
  background: var(--bg-3);
}

/* Theme-specific survey accents */
body.theme-educators { --theme-accent: var(--edu); }
body.theme-parents   { --theme-accent: var(--par); }
body.theme-video     { --theme-accent: var(--accent-warm); }

body.theme-educators .redirect-card .badge,
body.theme-parents .redirect-card .badge,
body.theme-video .redirect-card .badge {
  color: var(--theme-accent);
  border-color: color-mix(in srgb, var(--theme-accent) 25%, transparent);
  background: color-mix(in srgb, var(--theme-accent) 7%, transparent);
}
body.theme-educators #timer,
body.theme-parents #timer,
body.theme-video #timer { color: var(--theme-accent); }
body.theme-educators #progressBar,
body.theme-parents #progressBar,
body.theme-video #progressBar { background: linear-gradient(90deg, var(--theme-accent), color-mix(in srgb, var(--theme-accent) 60%, var(--accent))); }

/* Page exit animation */
body.page-exit {
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
body.page-exit .redirect-gif {
  animation: fly-away 0.4s var(--ease-spring) forwards;
}
@keyframes fly-away {
  to { transform: translateY(-60px) scale(1.25); opacity: 0; }
}

/* Spinner */
.btn-spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 404 ── */
body[data-page-type="404"] {
  display: grid;
  place-items: center;
  padding: 24px;
}
@media (max-width: 480px) {
  body[data-page-type="404"] { padding: 16px; }
}
.error-container {
  width: min(100%, 520px);
  text-align: center;
  margin: auto;
}
.error-code {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  font-size: clamp(5rem, 14vw, 8rem);
  line-height: 1;
  color: var(--accent);
  opacity: 0.10;
  letter-spacing: 0;
  margin-bottom: -24px;
  position: relative;
  z-index: 0;
}
.error-card { position: relative; z-index: 1; animation: rise-in 560ms var(--ease-spring) both; }
.error-card h1 {
  font-family: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  letter-spacing: 0;
  margin-bottom: 8px;
}
.error-card p { color: var(--ink-2); font-size: 0.95rem; line-height: 1.65; margin-bottom: 28px; }
.error-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.error-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 600;
  transition: transform var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
  backdrop-filter: blur(8px);
}
.error-link:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
  background: var(--bg-2);
}
.error-link-icon {
  width: 36px; height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.error-link-icon--home { background: color-mix(in srgb, var(--accent-warm) 8%, transparent); }
.error-link-icon--hub  { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.error-link-icon--edu  { background: color-mix(in srgb, var(--edu) 8%, transparent); }
.error-link-icon--par  { background: color-mix(in srgb, var(--par) 8%, transparent); }
.error-link span {
  color: var(--ink-4);
  font-weight: 400;
  font-size: 0.78rem;
  margin-left: auto;
}

/* ── ACCESSIBILITY ── */
:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 30%, transparent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}
.skip-link {
  position: absolute;
  top: -40px; left: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  z-index: 10000;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: top var(--dur-fast);
}
.skip-link:focus { top: 0; }

/* ── PRINT ── */
@media print {
  .site-nav, .back-to-top, .scroll-progress, .nav-toggle, .theme-toggle, .lang-toggle { display: none !important; }
  body { background: white !important; color: black !important; }
  .card, .glass-card { box-shadow: none !important; border: 1px solid #ccc !important; }
}

html[lang="uk"] .lang-en, html[lang="uk"] .lang-sk { display: none !important; }
html[lang="en"] .lang-uk, html[lang="en"] .lang-sk { display: none !important; }
html[lang="sk"] .lang-uk, html[lang="sk"] .lang-en { display: none !important; }

.lang-toggle, .lang-select {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--accent);
  cursor: pointer;
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}

.lang-toggle {
  padding: 6px 10px;
}

.lang-toggle:hover {
  border-color: var(--accent);
  transform: scale(1.03);
}

/* ── Custom Dropdown ── */
.custom-dropdown.lang-dropdown {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

.custom-dropdown .dropdown-trigger.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-weight: 700;
  cursor: pointer;
  box-sizing: border-box;
  height: 32px;
}

/* Chevron arrow */
.custom-dropdown .dropdown-trigger .chevron {
  width: 10px;
  height: 6px;
  stroke: var(--accent);
  transition: transform var(--dur-fast) ease;
}

.custom-dropdown.open .dropdown-trigger .chevron {
  transform: rotate(180deg);
}

/* Dropdown menu options list */
.custom-dropdown .dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 4px;
  min-width: 145px;
  z-index: 1000;
  transform-origin: top right;
  animation: dropdownFadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-dropdown.open .dropdown-menu {
  display: flex;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-6px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Item options */
.custom-dropdown .dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  border-radius: calc(var(--r-md) - 2px);
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}

.custom-dropdown .dropdown-item:hover,
.custom-dropdown .dropdown-item:focus-visible {
  background: var(--bg-2);
  color: var(--accent);
  outline: none;
}

/* Active language item styling */
.custom-dropdown .dropdown-item.active {
  background: var(--bg-3);
  color: var(--accent);
  font-weight: 700;
}

/* Flag emoji styling */
.custom-dropdown .flag-icon {
  font-size: 1.1rem;
  line-height: 1;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
}

.custom-dropdown .lang-code {
  font-size: 0.76rem;
  color: var(--accent);
}

.custom-dropdown .lang-name {
  font-size: 0.8rem;
  color: var(--ink);
}