/* ============================================
   SUPA DS — Design Tokens
   Black/gold permit-card system. Distinct from
   vayaSupa navy/orange — separate product identity.
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Core palette — from theme.ts, unaltered */
  --bg: #000000;
  --surface: #1A1A1A;
  --surface-2: #2D2D2D;
  --text: #F2F2EE;
  --text-secondary: #B0B0B0;
  --text-muted: #6B7280;

  --gold: #F5B700;
  --gold-dark: #D69F00;
  --on-gold: #243447;

  --instructor-blue: #2563EB;
  --instructor-blue-dark: #1D4ED8;
  --school-red: #DC2626;

  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --shadow: rgba(0, 0, 0, 0.5);
  --overlay: rgba(0, 0, 0, 0.7);

  /* Type */
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Spacing (8pt-ish, from theme.ts) */
  --xs: 4px;
  --sm: 8px;
  --md: 12px;
  --lg: 16px;
  --xl: 24px;
  --xxl: 32px;
  --xxxl: 48px;
  --huge: 80px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --maxw: 1180px;

  /* Polish layer: glow, gradients, depth */
  --gold-glow: rgba(245, 183, 0, 0.35);
  --gold-glow-soft: rgba(245, 183, 0, 0.12);
  --gradient-gold: linear-gradient(135deg, #FFD24D 0%, var(--gold) 45%, var(--gold-dark) 100%);
  --gradient-surface: linear-gradient(160deg, #1F1F1F 0%, #161616 100%);
  --gradient-surface-hover: linear-gradient(160deg, #242424 0%, #1A1A1A 100%);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 24px -12px rgba(0,0,0,0.6);
  --shadow-card-hover: 0 1px 0 rgba(255,255,255,0.06) inset, 0 16px 40px -16px rgba(0,0,0,0.7), 0 0 0 1px rgba(245,183,0,0.15);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  background:
    radial-gradient(ellipse 900px 500px at 15% -5%, rgba(245,183,0,0.06), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 20%, rgba(37,99,235,0.05), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Type scale ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.08;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); letter-spacing: 0.005em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }
h4 { font-size: 1rem; letter-spacing: 0.06em; }

p { color: var(--text-secondary); }
p.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text); max-width: 640px; }

h1 .accent, h2 .accent {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--lg);
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,7,4,0.78);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(245,183,0,0.06);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .plate {
  background: var(--gradient-gold);
  color: var(--on-gold);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 3px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  box-shadow: 0 0 14px var(--gold-glow-soft);
}

nav.main-nav {
  display: flex;
  gap: var(--xxl);
  align-items: center;
}
nav.main-nav a {
  font-size: 0.92rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}
nav.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--gradient-gold);
  transition: width 0.25s var(--ease-out);
}
nav.main-nav a:hover { color: var(--text); }
nav.main-nav a:hover::after { width: 100%; }
nav.main-nav a[aria-current="page"] { color: var(--text); }
nav.main-nav a[aria-current="page"]::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 40px; height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  nav.main-nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--md) 24px var(--xl);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  nav.main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  nav.main-nav a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: block; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-gold {
  background: var(--gradient-gold);
  color: var(--on-gold);
  box-shadow: 0 4px 16px -4px var(--gold-glow), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-gold::before {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
  z-index: 1;
}
.btn-gold:hover {
  box-shadow: 0 8px 24px -4px var(--gold-glow), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-gold:hover::before { left: 130%; }

.btn-ghost {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-glow-soft);
  box-shadow: 0 4px 16px -6px var(--gold-glow-soft);
}

/* ---------- Sections ---------- */

main { display: block; }

.section { padding: var(--huge) 0; }
.section-tight { padding: var(--xxxl) 0; }
.section-border-top { border-top: 1px solid var(--border); }
.section-alt {
  background:
    radial-gradient(ellipse 800px 400px at 90% 0%, rgba(245,183,0,0.04), transparent 60%),
    var(--surface);
  position: relative;
}

.section-head { max-width: 680px; margin-bottom: var(--xxxl); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }

/* ---------- Cards ---------- */

.card {
  background: var(--gradient-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--xl);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s ease, background 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--gradient-surface-hover);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card-hover);
}

.grid {
  display: grid;
  gap: var(--xl);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--xxxl) 0 var(--xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--xxl);
  margin-bottom: var(--xxl);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 { color: var(--text-secondary); margin-bottom: var(--lg); }
.footer-grid a, .footer-grid p { display: block; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 10px; }
.footer-grid a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--xl);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: var(--md);
}
.footer-bottom .social { display: flex; gap: var(--lg); }
.footer-bottom .social a { color: var(--text-muted); }
.footer-bottom .social a:hover { color: var(--gold); }

/* ---------- Utility ---------- */

.relation-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
}

.divider {
  height: 1px;
  background: var(--border);
  width: 100%;
}

.checklist { list-style: none; }
.checklist li {
  display: flex;
  gap: var(--md);
  align-items: flex-start;
  padding: var(--lg) 0;
  border-bottom: 1px solid var(--border);
}
.checklist li:last-child { border-bottom: none; }
.checklist .check-mark {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out), color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.checklist li.is-checked .check-mark {
  background: var(--gradient-gold);
  border-color: var(--gold);
  color: var(--on-gold);
  box-shadow: 0 0 0 4px var(--gold-glow-soft), 0 2px 8px -2px var(--gold-glow);
  transform: scale(1.06);
}
.checklist li:hover .check-mark { border-color: var(--border-strong); }
.checklist li { transition: background 0.3s ease; border-radius: var(--radius-sm); }
.checklist li:hover { background: rgba(255,255,255,0.015); }
.checklist strong { color: var(--text); display: block; margin-bottom: 4px; font-size: 1.02rem; }
.checklist span { color: var(--text-secondary); font-size: 0.92rem; }

/* ---------- Role tags ---------- */

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}
.tag-learner { background: rgba(245,183,0,0.14); color: var(--gold); border: 1px solid rgba(245,183,0,0.3); box-shadow: 0 0 16px -4px rgba(245,183,0,0.4); }
.tag-instructor { background: rgba(37,99,235,0.14); color: #6699FF; border: 1px solid rgba(37,99,235,0.3); box-shadow: 0 0 16px -4px rgba(37,99,235,0.4); }
.tag-school { background: rgba(220,38,38,0.14); color: #FF7A7A; border: 1px solid rgba(220,38,38,0.3); box-shadow: 0 0 16px -4px rgba(220,38,38,0.4); }

/* ---------- Reveal-on-scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}