/* GDI Academy — premium presentation (static prototype only) */
:root {
  --gdi-navy: #0c2d48;
  --gdi-teal: #0b6e8a;
  --gdi-teal-soft: #e8f4f8;
  --gdi-gold: #c9a227;
  --gdi-bg: #f5f7fa;
  --gdi-surface: #ffffff;
  --gdi-text: #1a2332;
  --gdi-muted: #5c6b7a;
  --gdi-border: #dde4ec;
  --gdi-warn-bg: #fff8f0;
  --gdi-warn-border: #d97706;
  --shadow-sm: 0 1px 3px rgba(12, 45, 72, 0.06);
  --shadow-md: 0 8px 24px rgba(12, 45, 72, 0.08);
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", sans-serif;
  --max: 58rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--gdi-text);
  background: var(--gdi-bg);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gdi-teal);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

.site-shell { min-height: 100vh; display: flex; flex-direction: column; }

.top-bar {
  background: var(--gdi-navy);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.8125rem;
  padding: 0.45rem 1rem;
  text-align: center;
}
.top-bar a { color: #fff; text-decoration: underline; }

.site-header {
  background: var(--gdi-surface);
  border-bottom: 1px solid var(--gdi-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  max-width: min(76rem, 100%);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
}
.logo-lockup { text-decoration: none; color: inherit; }
.logo-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gdi-navy);
  margin: 0;
}
.logo-tag {
  font-size: 0.8rem;
  color: var(--gdi-muted);
  margin: 0.15rem 0 0;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--gdi-border);
  background: var(--gdi-surface);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--gdi-navy);
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
}
.nav-menu a {
  text-decoration: none;
  color: var(--gdi-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
.nav-menu a:hover { color: var(--gdi-teal); }
.nav-menu a:focus-visible {
  outline: 2px solid var(--gdi-gold);
  outline-offset: 3px;
  border-radius: 2px;
}
.nav-menu a.active {
  color: var(--gdi-navy);
  border-bottom-color: var(--gdi-gold);
  font-weight: 600;
}

/* BUG-001: keep all eight items on one row at desktop widths */
@media (min-width: 721px) {
  .header-inner {
    flex-wrap: nowrap;
  }
  .logo-lockup {
    flex: 0 0 auto;
    max-width: 14rem;
  }
  .nav-panel {
    flex: 1 1 auto;
    min-width: 0;
    display: block;
  }
  .nav-menu {
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 0 0.65rem;
  }
  .nav-menu a {
    font-size: 0.8125rem;
    white-space: nowrap;
    padding: 0.35rem 0.1rem;
  }
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
main { flex: 1; padding: 2rem 0 3rem; }

/* Hero (landing) */
.hero {
  background: linear-gradient(145deg, var(--gdi-navy) 0%, #134063 55%, var(--gdi-teal) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
  line-height: 1.15;
}
.hero .subtitle {
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
  font-weight: 400;
  opacity: 0.92;
  margin: 0 0 1.5rem;
}
.hero-lead {
  max-width: 40rem;
  font-size: 1.05rem;
  opacity: 0.9;
  margin: 0 0 1.75rem;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.theme-card {
  background: var(--gdi-surface);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gdi-border);
}
.theme-card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--gdi-teal-soft);
  color: var(--gdi-teal);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.65rem;
}
.theme-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--gdi-navy);
}
.theme-card p { margin: 0; font-size: 0.95rem; color: var(--gdi-muted); }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--gdi-gold);
  color: var(--gdi-navy);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:focus-visible {
  outline: 2px solid var(--gdi-navy);
  outline-offset: 2px;
}
.btn-secondary {
  background: transparent;
  color: #0a5f75;
  border: 2px solid #0a5f75;
}
.btn-secondary:hover {
  background: var(--gdi-teal-soft);
  color: #083f4f;
  border-color: #083f4f;
}
.btn-secondary:focus-visible {
  outline: 2px solid var(--gdi-gold);
  outline-offset: 2px;
}
/* BUG-002: hero secondary CTA on dark gradient — WCAG AA contrast */
.hero .btn-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border-color: #ffffff;
}
.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.26);
  color: #ffffff;
  border-color: #ffffff;
}
.hero .btn-secondary:focus-visible {
  outline: 2px solid var(--gdi-gold);
  outline-offset: 3px;
}

.page-title {
  font-size: clamp(1.65rem, 4vw, 2.1rem);
  color: var(--gdi-navy);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.page-intro {
  color: var(--gdi-muted);
  font-size: 1.1rem;
  max-width: 42rem;
  margin: 0 0 1.75rem;
}

.card {
  background: var(--gdi-surface);
  border: 1px solid var(--gdi-border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.card h2 {
  font-size: 1.15rem;
  color: var(--gdi-navy);
  margin: 0 0 0.65rem;
}
.card ul { margin: 0.5rem 0 0; padding-left: 1.2rem; }
.card li { margin: 0.35rem 0; }

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.25rem 0;
}
.stat-pill {
  background: var(--gdi-teal-soft);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font-size: 0.92rem;
}
.stat-pill strong { color: var(--gdi-navy); }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  margin-right: 0.35rem;
}
.badge-available { background: #e6f4ea; color: #1e6b3a; }
.badge-planned { background: #f3f4f6; color: #4b5563; }
.badge-hold { background: var(--gdi-warn-bg); color: #92400e; }

.journey-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}
.journey-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.25rem;
}
.journey-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.1rem;
  height: 2.1rem;
  background: var(--gdi-navy);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.figure-shot {
  margin: 1.75rem 0;
  text-align: center;
}
.figure-shot img {
  max-width: min(100%, 390px);
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--gdi-border);
  box-shadow: var(--shadow-md);
}
.figure-shot figcaption {
  margin-top: 0.65rem;
  font-size: 0.88rem;
  color: var(--gdi-muted);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.disclosure-compact {
  font-size: 0.85rem;
  color: var(--gdi-muted);
  background: var(--gdi-warn-bg);
  border-left: 3px solid var(--gdi-warn-border);
  padding: 0.75rem 1rem;
  border-radius: 0 8px 8px 0;
  margin: 2rem 0 0;
}
.disclosure-compact strong { color: var(--gdi-text); }

.site-footer {
  background: var(--gdi-navy);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  padding: 1.5rem 1.25rem;
  margin-top: auto;
}
.site-footer p { margin: 0.35rem 0; max-width: var(--max); margin-left: auto; margin-right: auto; }

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .header-inner { flex-wrap: wrap; }
  .nav-panel { display: none; width: 100%; flex: 1 1 100%; }
  .nav-panel.is-open { display: block; }
  .nav-menu {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    padding: 0.5rem 0;
  }
  .nav-menu a {
    display: block;
    padding: 0.55rem 0;
    font-size: 0.95rem;
    white-space: normal;
  }
  .hero { padding: 1.75rem 1.25rem; }
}

html { overflow-x: clip; }