:root {
  --color-bg: #eef1f6;
  --color-bg-muted: #e3e8f0;
  --color-text: #1c2733;
  --color-muted: #566173;
  --color-navy: #0a2540;
  --color-navy-dark: #071a30;
  --color-red: #b31942;
  --color-red-dark: #8f1435;
  --color-gold: #a9781f;
  --color-border: #d3dae6;
  --color-card-bg: #ffffff;
  --color-warn-bg: #fff4e5;
  --color-warn-border: #f0c36d;
  --color-warn-text: #5a4a1f;
  --color-heading: #0a2540;
  --card-shadow: 0 1px 3px rgba(15, 27, 45, 0.06), 0 8px 20px rgba(15, 27, 45, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0b1220;
    --color-bg-muted: #131c2e;
    --color-text: #e7ecf5;
    --color-muted: #9aa7bd;
    --color-navy: #071a30;
    --color-navy-dark: #050f1e;
    --color-red: #e14b6f;
    --color-red-dark: #c93b5c;
    --color-gold: #d9b84a;
    --color-border: #263349;
    --color-card-bg: #131c2e;
    --color-warn-bg: #2b2410;
    --color-warn-border: #6b551d;
    --color-warn-text: #e8cf7a;
    --color-heading: #e7ecf5;
    --card-shadow: none;
  }
}

:root[data-theme="dark"] {
  --color-bg: #0b1220;
  --color-bg-muted: #131c2e;
  --color-text: #e7ecf5;
  --color-muted: #9aa7bd;
  --color-navy: #071a30;
  --color-navy-dark: #050f1e;
  --color-red: #e14b6f;
  --color-red-dark: #c93b5c;
  --color-gold: #d9b84a;
  --color-border: #263349;
  --color-card-bg: #131c2e;
  --color-warn-bg: #2b2410;
  --color-warn-border: #6b551d;
  --color-warn-text: #e8cf7a;
  --color-heading: #e7ecf5;
  --card-shadow: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.55;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Hero */
main { max-width: 900px; margin: 0 auto; padding: 0 1.5rem 3rem; }

.hero {
  position: relative;
  width: 100vw;
  left: 50%;
  margin-left: -50vw;
  margin-bottom: 2.5rem;
  padding: 4rem 1.5rem 5rem;
  background: var(--color-bg);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-navy);
  clip-path: polygon(0 0, 55% 0, 40% 100%, 0% 100%);
}

.hero-inner {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--color-gold);
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.02;
  margin: 0 0 1rem;
  color: #fff;
  max-width: 9ch;
}

.hero h1 .accent { color: var(--color-gold); }

.hero .tagline {
  color: #cfd8e6;
  font-size: 1.1rem;
  max-width: 32ch;
  margin: 0 0 1.75rem;
}

.hero-search {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hero-search input {
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  width: min(320px, 90vw);
  font-size: 1rem;
}

.hero-search button {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 4px;
  background: var(--color-red);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
}

.hero-search button:hover { background: var(--color-red-dark); }

.search-page-form {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.search-page-form input {
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  width: min(320px, 90vw);
  font-size: 1rem;
}

.search-page-form button {
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 4px;
  background: var(--color-red);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
}

.search-page-form button:hover { background: var(--color-red-dark); }

.hero .placeholder-warning {
  display: inline-block;
  text-align: left;
  max-width: 560px;
}

@media (max-width: 640px) {
  .hero {
    background: var(--color-navy);
  }

  .hero::before {
    display: none;
  }
}

/* Page banner (interior pages) */
.page-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  margin-left: -50vw;
  margin-bottom: 2.5rem;
  padding: 2.75rem 1.5rem;
  background: linear-gradient(120deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  border-bottom: 4px solid var(--color-red);
}

.page-banner-inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-banner-inner-with-flag {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.page-banner-flag {
  flex: none;
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

@media (max-width: 480px) {
  .page-banner-flag {
    width: 84px;
    height: 56px;
  }
}

.page-banner h1 {
  color: #fff;
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 3.4vw, 2.25rem);
}

.page-banner-subtitle {
  color: #cfd8e6;
  margin: 0;
}

/* Stat banner */
.stat-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--card-shadow);
}

.stat-banner-item {
  text-align: center;
  min-width: 150px;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-red);
}

.stat-label {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Mission */
.mission h2, .explore h2, main h1, main h2 {
  color: var(--color-heading);
}

.mission {
  margin-bottom: 2.5rem;
  padding-left: 1rem;
  border-left: 4px solid var(--color-red);
}

/* Explore cards */
.explore-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.explore-card {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-card-bg);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.explore-card:hover {
  border-color: var(--color-red);
  box-shadow: 0 2px 10px rgba(179, 25, 66, 0.12);
}

.explore-card h3 {
  margin: 0 0 0.35rem;
  color: var(--color-heading);
}

.explore-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

/* Generic content */
.placeholder-warning {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--color-warn-text);
}

.how-it-works {
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 4px solid var(--color-gold);
}

.how-it-works h2 { color: var(--color-heading); margin-top: 0; }

.scope-section {
  margin: 2.5rem 0;
}

.scope-section h2 { color: var(--color-heading); }

.scope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.scope-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.1rem 1.25rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
}

.scope-figure {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-red);
}

.scope-label {
  color: var(--color-text);
  font-size: 0.92rem;
}

.scope-note {
  color: var(--color-muted);
  font-size: 0.8rem;
  font-style: italic;
}

.source-note {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.stat-list dt { font-weight: 700; margin-top: 0.75rem; color: var(--color-heading); }
.stat-list dd { margin-left: 0; color: var(--color-muted); }

main ul { padding-left: 1.2rem; }
main a { color: var(--color-red); }
main a:hover { color: var(--color-red-dark); }