/* AUKUS Investor — financial-impacts education (not news, not directory, not seat sales) */
:root {
  --ai-navy: #0a1628;
  --ai-navy-mid: #132337;
  --ai-ink: #0f172a;
  --ai-muted: #64748b;
  --ai-border: #e2e8f0;
  --ai-bg: #f7f5f0;
  --ai-card: #ffffff;
  --ai-bronze: #b8860b;
  --ai-bronze-bright: #d4a017;
  --ai-bronze-soft: #f5ecd4;
  --ai-open: #166534;
  --ai-open-bg: #dcfce7;
  --ai-sold: #9a3412;
  --ai-sold-bg: #ffedd5;
  --ai-link: #1e4d7b;
  --ai-max: 1120px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--ai-bg);
  color: var(--ai-ink);
  line-height: 1.65;
  font-feature-settings: "kern" 1, "liga" 1;
}
a { color: var(--ai-link); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--ai-bronze); }
img { max-width: 100%; height: auto; }
.wrap { width: min(100% - 2rem, var(--ai-max)); margin-inline: auto; }

/* Top notice */
.ai-notice {
  background: var(--ai-navy);
  color: #cbd5e1;
  font-size: 0.8125rem;
  padding: 0.55rem 0;
  text-align: center;
  border-bottom: 1px solid rgba(212, 160, 23, 0.35);
}
.ai-notice strong { color: var(--ai-bronze-bright); font-weight: 600; }

/* Nav */
.ai-nav {
  background: #fff;
  border-bottom: 1px solid var(--ai-border);
  position: sticky;
  top: 0;
  z-index: 40;
}
.ai-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.ai-logo {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--ai-navy);
  text-decoration: none;
  white-space: nowrap;
}
.ai-logo:hover { text-decoration: none; color: var(--ai-navy); }
.ai-logo span { color: var(--ai-bronze); }
.ai-nav-links { display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; align-items: center; justify-content: flex-end; }
.ai-nav-links a {
  color: #475569;
  font-size: 0.875rem;
  font-weight: 550;
  text-decoration: none;
}
.ai-nav-links a:hover, .ai-nav-links a.active { color: var(--ai-bronze); }
.ai-nav-cta {
  background: var(--ai-navy) !important;
  color: #fff !important;
  padding: 0.45rem 0.9rem !important;
  border-radius: 999px;
  font-size: 0.8125rem !important;
  font-weight: 650 !important;
}
.ai-nav-cta:hover { background: var(--ai-navy-mid) !important; text-decoration: none !important; color: var(--ai-bronze-bright) !important; }
.ai-mobile-toggle {
  display: none;
  border: 1px solid var(--ai-border);
  background: #fff;
  border-radius: 0.5rem;
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  color: var(--ai-ink);
}
.ai-mobile-menu { display: none; border-top: 1px solid var(--ai-border); padding: 0.75rem 0 1rem; }
.ai-mobile-menu.open { display: block; }
.ai-mobile-menu a {
  display: block;
  padding: 0.55rem 0;
  color: #334155;
  font-weight: 550;
  font-size: 0.95rem;
  text-decoration: none;
}

/* Hero */
.ai-hero {
  background: linear-gradient(145deg, var(--ai-navy) 0%, #152a45 55%, #1a3352 100%);
  color: #e2e8f0;
  padding: 3.5rem 0 3.75rem;
  position: relative;
  overflow: hidden;
}
.ai-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 40%;
  height: 280px;
  background: radial-gradient(ellipse, rgba(212,160,23,0.18), transparent 70%);
  pointer-events: none;
}
.ai-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ai-bronze-bright);
  margin-bottom: 0.85rem;
}
.ai-hero h1 {
  font-size: clamp(1.65rem, 3.5vw, 2.55rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  max-width: 28ch;
  margin-bottom: 1rem;
}
.ai-hero .lede {
  font-size: 1.1rem;
  color: #94a3b8;
  max-width: 52ch;
  margin-bottom: 1.75rem;
}
.ai-hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.ai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-weight: 650;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.ai-btn:hover { text-decoration: none; }
.ai-btn-primary { background: var(--ai-bronze-bright); color: var(--ai-navy); }
.ai-btn-primary:hover { background: #e0b42a; color: var(--ai-navy); }
.ai-btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.28); }
.ai-btn-ghost:hover { border-color: var(--ai-bronze-bright); color: var(--ai-bronze-bright); }
.ai-btn-outline {
  background: #fff;
  color: var(--ai-navy);
  border-color: var(--ai-border);
}
.ai-btn-outline:hover { border-color: var(--ai-bronze); color: var(--ai-bronze); }

/* Sections */
.ai-section { padding: 3rem 0; }
.ai-section-alt { background: #fff; border-block: 1px solid var(--ai-border); }
.ai-section h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ai-navy);
  margin-bottom: 0.65rem;
}
.ai-section .sub {
  color: var(--ai-muted);
  max-width: 62ch;
  margin-bottom: 1.75rem;
}
.ai-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ai-bronze);
  margin-bottom: 0.4rem;
}

/* Cards / grids */
.ai-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.ai-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.ai-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.ai-card {
  background: var(--ai-card);
  border: 1px solid var(--ai-border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.35rem;
  box-shadow: 0 2px 10px rgba(10, 22, 40, 0.04);
}
.ai-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--ai-navy); margin-bottom: 0.4rem; }
.ai-card p { color: #475569; font-size: 0.925rem; }

/* Seat cards */
.ai-seat {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 100%;
}
.ai-seat .lane { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ai-muted); }
.ai-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  width: fit-content;
}
.ai-badge-open { background: var(--ai-open-bg); color: var(--ai-open); }
.ai-badge-sold { background: var(--ai-sold-bg); color: var(--ai-sold); }
.ai-badge-ph { background: #f1f5f9; color: #475569; }

/* Official doors */
.ai-doors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}
.ai-door {
  background: var(--ai-navy);
  color: #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.1rem 1.15rem;
  text-decoration: none;
  border: 1px solid rgba(212,160,23,0.25);
  transition: border-color 0.15s, transform 0.15s;
}
.ai-door:hover { border-color: var(--ai-bronze-bright); text-decoration: none; transform: translateY(-2px); color: #fff; }
.ai-door strong { display: block; color: var(--ai-bronze-bright); font-size: 0.95rem; margin-bottom: 0.35rem; }
.ai-door span { font-size: 0.8rem; color: #94a3b8; line-height: 1.45; }

/* SME cards */
.ai-sme {
  position: relative;
  min-height: 100%;
}
.ai-sme .ph-label {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: #fef3c7;
  color: #92400e;
  padding: 0.2rem 0.45rem;
  border-radius: 0.25rem;
}
.ai-sme .meta { font-size: 0.8rem; color: var(--ai-muted); margin: 0.35rem 0; }
.ai-sme .ask { font-size: 0.85rem; color: #334155; margin-top: 0.5rem; padding-top: 0.5rem; border-top: 1px dashed var(--ai-border); }
.ai-empty {
  border: 2px dashed #cbd5e1;
  border-radius: 0.75rem;
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: #fff;
  color: var(--ai-muted);
}

/* FAQ */
.ai-faq details {
  background: #fff;
  border: 1px solid var(--ai-border);
  border-radius: 0.65rem;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.65rem;
}
.ai-faq summary {
  cursor: pointer;
  font-weight: 650;
  color: var(--ai-navy);
  list-style: none;
}
.ai-faq summary::-webkit-details-marker { display: none; }
.ai-faq summary::before { content: "+ "; color: var(--ai-bronze); font-weight: 800; }
.ai-faq details[open] summary::before { content: "− "; }
.ai-faq details p { margin-top: 0.65rem; color: #475569; font-size: 0.95rem; }

/* Breadcrumb / page hero */
.ai-page-hero {
  background: var(--ai-navy);
  color: #e2e8f0;
  padding: 2.25rem 0 2.5rem;
}
.ai-page-hero h1 {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 32ch;
  margin-top: 0.35rem;
}
.ai-breadcrumb { font-size: 0.85rem; color: #94a3b8; }
.ai-breadcrumb a { color: var(--ai-bronze-bright); text-decoration: none; }
.ai-breadcrumb a:hover { text-decoration: underline; }

/* Callout / disclaimer */
.ai-callout {
  border-left: 4px solid var(--ai-bronze);
  background: var(--ai-bronze-soft);
  padding: 1rem 1.2rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 1.5rem 0;
  font-size: 0.925rem;
  color: #44403c;
}
.ai-warn {
  border-left: 4px solid #64748b;
  background: #f1f5f9;
  padding: 1rem 1.2rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: #334155;
}
.ai-prose p { margin-bottom: 1rem; color: #334155; }
.ai-prose ul { margin: 0 0 1rem 1.25rem; color: #334155; }
.ai-prose li { margin-bottom: 0.4rem; }
.ai-prose h2 { margin-top: 2rem; margin-bottom: 0.75rem; }
.ai-prose h3 { margin-top: 1.4rem; margin-bottom: 0.5rem; font-size: 1.1rem; color: var(--ai-navy); }

/* Pricing table */
.ai-table-wrap { overflow-x: auto; margin: 1.25rem 0; }
.ai-table { width: 100%; border-collapse: collapse; font-size: 0.925rem; }
.ai-table th, .ai-table td {
  border: 1px solid var(--ai-border);
  padding: 0.7rem 0.9rem;
  text-align: left;
  vertical-align: top;
}
.ai-table th { background: var(--ai-navy); color: #fff; font-weight: 650; }
.ai-table tr:nth-child(even) td { background: #fafaf9; }

/* Theme list */
.ai-theme {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--ai-border);
}
.ai-theme:last-child { border-bottom: none; }
.ai-theme-num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--ai-bronze-soft);
  color: var(--ai-bronze);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

/* Footer */
.ai-footer {
  background: var(--ai-navy);
  color: #94a3b8;
  padding: 2.5rem 0 2rem;
  margin-top: 1rem;
  font-size: 0.875rem;
}
.ai-footer a { color: #cbd5e1; }
.ai-footer a:hover { color: var(--ai-bronze-bright); }
.ai-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.ai-footer h4 { color: #fff; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.75rem; }
.ai-footer ul { list-style: none; }
.ai-footer li { margin-bottom: 0.4rem; }
.ai-footer-bottom {
  border-top: 1px solid rgba(148,163,184,0.2);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.8rem;
}

@media (max-width: 900px) {
  .ai-grid-4, .ai-doors { grid-template-columns: repeat(2, 1fr); }
  .ai-grid-3 { grid-template-columns: 1fr 1fr; }
  .ai-footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}
@media (max-width: 700px) {
  .ai-nav-links { display: none; }
  .ai-mobile-toggle { display: inline-flex; }
  .ai-grid-2, .ai-grid-3, .ai-grid-4, .ai-doors { grid-template-columns: 1fr; }
  .ai-hero { padding: 2.5rem 0; }
}