:root {
  color-scheme: light;
  --bg: #f3f5f8;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-muted: #ebeff5;
  --text: #18212f;
  --muted: #4d5a6d;
  --border: rgba(24, 33, 47, 0.12);
  --border-strong: rgba(24, 33, 47, 0.18);
  --blue: #153f90;
  --red: #d2273f;
  --gold: #bc8820;
  --green: #3d6d50;
  --shadow: 0 18px 45px rgba(15, 24, 40, 0.08);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: linear-gradient(180deg, #f7f8fb 0%, #edf2f7 100%);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

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

figure,
dl {
  margin: 0;
}

a {
  color: inherit;
}

button,
a {
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  box-shadow: var(--shadow);
}

.skip-link:focus {
  top: 1rem;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(21, 63, 144, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(210, 39, 63, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.45));
}

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(0px);
}

.topbar.is-scrolled {
  border-color: var(--border);
  background: rgba(243, 245, 248, 0.88);
  backdrop-filter: blur(14px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  width: min(26rem, 100%);
}

.brand-link img {
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.nav a {
  padding: 0.7rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
  border-color: rgba(21, 63, 144, 0.32);
}

.hero {
  padding: 2.25rem 0 1.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-copy {
  padding: 1rem 0;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--red);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
summary {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 4rem;
  line-height: 0.95;
}

h2 {
  font-size: 2.4rem;
  line-height: 1.05;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.2;
}

p,
li,
dd,
dt,
figcaption {
  line-height: 1.6;
}

p {
  margin: 0;
  color: var(--muted);
}

.hero-dek,
.lead {
  margin-top: 1.25rem;
  max-width: 60ch;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--blue);
  color: #ffffff;
}

.button-primary:hover {
  background: #0f347c;
}

.button-secondary {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
}

.button-secondary:hover {
  background: #ffffff;
}

.disclaimer {
  margin-top: 1rem;
  max-width: 58ch;
  font-size: 0.98rem;
  color: var(--text);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 2rem 0 0;
}

.stat-card,
.fact-card,
.impact-card,
.source-card,
.timeline-item,
.compare-panel,
.media-frame {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 1rem;
  border-radius: 16px;
}

.stat-card dt {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--muted);
}

.stat-card dd {
  margin: 0.35rem 0 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.hero-media {
  width: 100%;
}

.media-frame {
  overflow: hidden;
  border-radius: 24px;
}

.media-frame img {
  width: 100%;
  height: auto;
}

.media-frame figcaption {
  padding: 0.9rem 1rem 1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.section {
  padding: 2.75rem 0;
}

.section-contrast {
  background: linear-gradient(180deg, rgba(21, 63, 144, 0.04) 0%, rgba(255, 255, 255, 0.5) 100%);
  border-top: 1px solid rgba(21, 63, 144, 0.08);
  border-bottom: 1px solid rgba(21, 63, 144, 0.08);
}

.section-faq {
  background: linear-gradient(180deg, rgba(210, 39, 63, 0.04) 0%, rgba(255, 255, 255, 0.4) 100%);
}

.section-sources {
  padding-bottom: 4rem;
}

.section-heading {
  max-width: 70ch;
}

.section-heading p {
  margin-top: 0.9rem;
}

.fact-grid,
.impact-grid,
.source-grid,
.timeline {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.6rem;
}

.fact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.impact-grid,
.source-grid,
.timeline {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fact-card,
.impact-card,
.source-card,
.timeline-item {
  padding: 1.4rem;
  border-radius: 16px;
}

.fact-card {
  border-top-width: 5px;
}

.accent-blue {
  border-top-color: var(--blue);
}

.accent-red {
  border-top-color: var(--red);
}

.accent-gold {
  border-top-color: var(--gold);
}

.accent-green {
  border-top-color: var(--green);
}

.fact-card p,
.impact-card p,
.source-card p,
.timeline-item p {
  margin-top: 0.8rem;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 1.5rem;
  align-items: start;
}

.bullet-list {
  margin: 1.1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.bullet-list li + li {
  margin-top: 0.65rem;
}

.compare-panel {
  padding: 1.4rem;
  border-radius: 18px;
}

.compare-panel h3 {
  margin-bottom: 0.75rem;
}

.compare-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
}

.compare-row:first-of-type {
  border-top: 0;
}

.compare-row span {
  color: var(--muted);
}

.compare-row strong {
  text-align: right;
  font-size: 0.98rem;
}

.timeline {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-date {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 700;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.faq-list details {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-list summary {
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  padding: 0 1.15rem 1.15rem;
}

.source-card a {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.source-card a:hover {
  text-decoration: underline;
}

.page-footer {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 980px) {
  h1 {
    font-size: 3.2rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-grid,
  .split-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .fact-grid,
  .impact-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .brand-link {
    width: 100%;
  }

  .nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: 2.7rem;
  }

  h2 {
    font-size: 1.7rem;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .compare-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .compare-row strong {
    text-align: left;
  }
}