/* GDI Class 1 private review portal — premium design system (WP-029) */
:root {
  --navy-900: #0a1628;
  --navy-800: #0f2744;
  --navy-700: #163656;
  --teal-500: #0d9488;
  --teal-400: #14b8a6;
  --teal-100: #ccfbf1;
  --surface: #ffffff;
  --bg: #f4f6f9;
  --text: #0f172a;
  --muted: #475569;
  --border: #cbd5e1;
  --max: 72rem;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(10, 22, 40, 0.08), 0 4px 12px rgba(10, 22, 40, 0.06);
}

body.premium-portal {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

.premium-portal .wrap { max-width: var(--max); }

.premium-portal .site-header {
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
  border-bottom: 3px solid var(--teal-500);
  color: #fff;
  padding: 0;
}

.premium-portal .header-inner {
  padding: 1rem 1rem 0.75rem;
}

.premium-portal .brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.premium-portal .brand-logo { height: 36px; width: auto; }

.premium-portal .site-title {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.premium-portal .site-tagline {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: #cbd5e1;
  width: 100%;
}

.premium-portal .status-banner {
  margin: 0.75rem 0 0;
  padding: 0.65rem 1rem;
  background: rgba(13, 148, 136, 0.15);
  border: 1px solid var(--teal-400);
  border-radius: var(--radius);
  color: #ecfeff;
}

.premium-portal .status-banner__primary {
  margin: 0;
  font-weight: 600;
  font-size: 0.92rem;
}

.premium-portal .status-banner__meta {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  opacity: 0.95;
}

.premium-portal .security-notice {
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  background: #fff7ed;
  border-left: 4px solid #ea580c;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
  color: #7c2d12;
}

.premium-portal .site-nav {
  background: var(--navy-700);
  margin: 0;
  padding: 0 1rem;
}

.premium-portal .nav-toggle {
  display: none;
  margin: 0.5rem 0;
  width: 100%;
  padding: 0.55rem;
  background: var(--navy-900);
  color: #fff;
  border: 1px solid #334155;
  border-radius: 6px;
}

.premium-portal .nav-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
}

.premium-portal .nav-menu a {
  color: #e2e8f0;
  text-decoration: none;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-size: 0.88rem;
}

.premium-portal .nav-menu a:hover,
.premium-portal .nav-menu a:focus {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.premium-portal .nav-menu a.active {
  background: var(--teal-500);
  color: #fff;
  font-weight: 600;
}

.premium-portal .content-page { padding: 1.5rem 1rem 2.5rem; }

.premium-portal .hero {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
  border-top: 4px solid var(--teal-500);
}

.premium-portal .hero h1 {
  margin: 0 0 0.5rem;
  font-size: 1.65rem;
  color: var(--navy-900);
}

.premium-portal .hero-lead { font-size: 1.05rem; color: var(--muted); margin: 0 0 1rem; }

.premium-portal .card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem;
}

.premium-portal .nav-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.premium-portal .nav-card:hover,
.premium-portal .nav-card:focus {
  border-color: var(--teal-500);
  box-shadow: 0 4px 16px rgba(13, 148, 136, 0.15);
  outline: none;
}

.premium-portal .nav-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--navy-800);
}

.premium-portal .nav-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.premium-portal .nav-card--accent {
  border-color: var(--teal-400);
  background: linear-gradient(135deg, #f0fdfa 0%, #fff 55%);
}

.premium-portal .nav-card .card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--teal-500);
  margin-bottom: 0.35rem;
}

.premium-portal .site-footer {
  background: var(--navy-900);
  color: #94a3b8;
  padding: 1.25rem 1rem;
  font-size: 0.85rem;
  margin-top: 2rem;
}

.premium-portal .site-footer p { margin: 0; }

.premium-portal .academy-embed {
  margin: 1.25rem 0 2rem;
}

.premium-portal .academy-embed__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.premium-portal .academy-embed__label {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 600;
}

.premium-portal .academy-embed__hint {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.premium-portal .academy-embed__scroller {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  max-height: min(920px, 88vh);
}

.premium-portal .academy-frame-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  box-shadow: var(--shadow);
  margin: 1rem 0;
}

.premium-portal .academy-frame {
  width: 100%;
  min-height: 900px;
  height: 900px;
  border: 0;
  display: block;
  vertical-align: top;
}

.premium-portal .btn-primary {
  display: inline-block;
  background: var(--teal-500);
  color: #fff;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.premium-portal .btn-primary:hover { background: var(--teal-400); color: #fff; }

.premium-portal .btn-secondary {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  text-decoration: none;
  color: var(--navy-800);
  background: #fff;
  margin-right: 0.5rem;
}

@media (max-width: 768px) {
  .premium-portal .nav-toggle { display: block; }
  .premium-portal .nav-menu {
    display: none;
    flex-direction: column;
    padding-bottom: 0.75rem;
  }
  .premium-portal .nav-menu.is-open { display: flex; }
  .premium-portal .hero h1 { font-size: 1.35rem; }
  .premium-portal .academy-embed__scroller { max-height: min(640px, 72vh); }
  .premium-portal .academy-frame { min-height: 720px; height: 720px; }
}

.premium-portal .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}