@font-face {
  font-family: "Cormorant Garamond";
  src: url("assets/fonts/cormorant-garamond-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Cormorant Garamond";
  src: url("assets/fonts/cormorant-garamond-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("assets/fonts/public-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Public Sans";
  src: url("assets/fonts/public-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #efe5d4;
  --paper-soft: #f7f1e5;
  --panel: rgba(255, 252, 247, 0.86);
  --panel-strong: rgba(255, 251, 243, 0.96);
  --ink: #13263d;
  --ink-soft: #4e5f70;
  --crimson: #9f2f2f;
  --gold: #b78b4e;
  --line: rgba(19, 38, 61, 0.14);
  --line-strong: rgba(19, 38, 61, 0.28);
  --shadow: 0 18px 60px rgba(33, 36, 42, 0.14);
  --shadow-soft: 0 10px 35px rgba(33, 36, 42, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: "Public Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(183, 139, 78, 0.28), transparent 24%),
    radial-gradient(circle at 84% 12%, rgba(159, 47, 47, 0.12), transparent 18%),
    linear-gradient(180deg, #f6efdf 0%, #ede0cd 42%, #efe8dc 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    linear-gradient(rgba(19, 38, 61, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 38, 61, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.52), transparent 76%);
}

body::after {
  background:
    radial-gradient(circle at 10% 20%, rgba(19, 38, 61, 0.06) 0 1px, transparent 1px),
    radial-gradient(circle at 74% 22%, rgba(159, 47, 47, 0.08) 0 1px, transparent 1px),
    radial-gradient(circle at 32% 78%, rgba(19, 38, 61, 0.06) 0 1px, transparent 1px),
    radial-gradient(circle at 85% 80%, rgba(19, 38, 61, 0.06) 0 1px, transparent 1px);
  opacity: 0.7;
}

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

a {
  color: inherit;
}

a,
button,
summary {
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 4px;
}

strong {
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 30;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
}

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

.site-shell {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.section {
  margin-top: 4.6rem;
  scroll-margin-top: 7rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0 0.8rem;
}

.topbar.is-scrolled {
  backdrop-filter: blur(16px);
}

.topbar.is-scrolled::before {
  content: "";
  position: absolute;
  inset: 0 -1rem;
  z-index: -1;
  border-bottom: 1px solid rgba(19, 38, 61, 0.08);
  background: rgba(247, 241, 229, 0.76);
}

.brand {
  display: inline-flex;
  align-items: center;
  max-width: 21rem;
}

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

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
}

.nav a {
  padding: 0.72rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink-soft);
  background: rgba(255, 251, 243, 0.58);
}

.nav a:hover,
.nav a[aria-current="true"] {
  color: var(--ink);
  border-color: rgba(159, 47, 47, 0.35);
  box-shadow: 0 8px 20px rgba(159, 47, 47, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.overview-card,
.lens-card,
.timeline-card,
.source-note,
.source-list li,
.faq-list details {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong) 0%, rgba(255, 249, 240, 0.88) 100%);
  box-shadow: var(--shadow-soft);
}

.hero-copy,
.hero-panel {
  position: relative;
  border-radius: clamp(1.6rem, 2vw, 2rem);
  overflow: hidden;
}

.hero-copy {
  padding: clamp(1.7rem, 2vw, 2.7rem);
}

.hero-copy::before,
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(19, 38, 61, 0.08);
  border-radius: calc(clamp(1.6rem, 2vw, 2rem) - 10px);
  pointer-events: none;
}

.hero-copy::after {
  content: "";
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  border: 1px solid rgba(159, 47, 47, 0.16);
  background:
    radial-gradient(circle, rgba(159, 47, 47, 0.12) 0, rgba(159, 47, 47, 0.08) 38%, transparent 72%);
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--crimson);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
summary,
.footer-mark {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 8ch;
  font-size: clamp(3.2rem, 7vw, 6rem);
  line-height: 0.92;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
  line-height: 0.95;
}

h3,
summary {
  font-size: 1.48rem;
  line-height: 1.02;
}

p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.72;
}

.hero-dek {
  max-width: 60ch;
  margin-top: 1rem;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #152b45 0%, #203e61 100%);
  box-shadow: 0 12px 28px rgba(19, 38, 61, 0.18);
}

.button-secondary {
  border-color: rgba(19, 38, 61, 0.16);
  background: rgba(255, 251, 243, 0.72);
}

.hero-note {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--crimson);
  background: rgba(159, 47, 47, 0.05);
}

.hero-note-label {
  display: block;
  margin-bottom: 0.32rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
}

.signal-grid,
.brief-grid,
.overview-grid,
.lens-grid {
  display: grid;
  gap: 1rem;
}

.signal-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.6rem;
}

.signal-card {
  padding: 1rem 1rem 1.05rem;
  border-radius: 1rem;
  border: 1px solid rgba(19, 38, 61, 0.1);
  background: rgba(255, 252, 247, 0.82);
}

.signal-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.02rem;
}

.signal-kicker {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--gold);
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-panel {
  padding: 1.5rem;
}

.panel-frame {
  height: 100%;
  padding: 1.2rem;
  border-radius: 1.4rem;
  border: 1px dashed rgba(19, 38, 61, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.56), rgba(248, 243, 235, 0.86)),
    repeating-linear-gradient(180deg, transparent 0 32px, rgba(19, 38, 61, 0.028) 32px 33px);
}

.panel-mark {
  width: 4.75rem;
  height: 4.75rem;
}

.panel-rule {
  width: 4.25rem;
  height: 0.3rem;
  margin: 1rem 0 1.2rem;
  background: linear-gradient(90deg, var(--crimson), rgba(159, 47, 47, 0));
}

.brief-grid {
  margin-top: 1.2rem;
}

.brief-card {
  padding: 1rem 1rem 1.05rem;
  border-top: 1px solid rgba(19, 38, 61, 0.12);
}

.brief-card + .brief-card {
  border-top-style: dashed;
}

.brief-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.35rem;
}

.section-heading {
  max-width: 63rem;
}

.section-heading p:last-child {
  margin-top: 0.85rem;
}

.overview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.8rem;
}

.overview-card {
  padding: 1.3rem;
  border-radius: var(--radius-md);
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(19, 38, 61, 0.16);
  border-radius: 999px;
  color: var(--crimson);
  font-size: 0.82rem;
  font-weight: 600;
}

.overview-card h3,
.lens-card h3,
.source-note h3 {
  margin-bottom: 0.45rem;
}

.lens-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.lens-card {
  padding: 1.3rem;
  border-radius: var(--radius-md);
}

.timeline-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.8rem;
}

.timeline-grid::before {
  content: "";
  position: absolute;
  left: calc(50% - 0.5px);
  top: 0.4rem;
  bottom: 0.4rem;
  width: 1px;
  background:
    linear-gradient(180deg, rgba(183, 139, 78, 0.18) 0%, rgba(159, 47, 47, 0.4) 50%, rgba(19, 38, 61, 0.18) 100%);
}

.timeline-card {
  position: relative;
  min-height: 15.5rem;
  padding: 1.35rem;
  border-radius: var(--radius-md);
}

.timeline-card::before {
  content: "";
  position: absolute;
  top: 1.45rem;
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  border: 2px solid var(--paper-soft);
  background: var(--crimson);
  box-shadow: 0 0 0 4px rgba(159, 47, 47, 0.14);
}

.timeline-card:nth-child(odd)::before {
  right: -1.47rem;
}

.timeline-card:nth-child(even)::before {
  left: -1.47rem;
}

.timeline-date {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.timeline-card h3 {
  margin-bottom: 0.6rem;
}

.timeline-card a,
.source-list a {
  color: var(--crimson);
  font-weight: 600;
  text-decoration: none;
}

.timeline-card a:hover,
.source-list a:hover {
  color: var(--ink);
}

.faq-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.faq-list details {
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
}

.faq-list summary {
  position: relative;
  padding-right: 2rem;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--crimson);
  font-size: 1.5rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  margin-top: 0.8rem;
}

.sources-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 1rem;
  margin-top: 1.8rem;
}

.source-note,
.source-list li {
  border-radius: var(--radius-md);
}

.source-note {
  padding: 1.35rem;
}

.source-note img {
  width: 4.5rem;
  height: 4.5rem;
  margin-bottom: 1rem;
}

.source-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style-position: inside;
}

.source-list li {
  padding: 1rem 1.1rem;
}

.source-list p {
  margin-top: 0.4rem;
}

.footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4.5rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid rgba(19, 38, 61, 0.14);
}

.footer p {
  max-width: 34rem;
}

.footer-mark {
  display: inline-block;
  margin-right: 0.55rem;
  font-size: 1.4rem;
  color: var(--ink);
}

.footer-copy,
.footer-meta {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .hero-panel,
  .overview-card,
  .lens-card,
  .timeline-card,
  .source-note,
  .source-list li,
  .faq-list details {
    animation: rise-in 700ms ease both;
  }

  .hero-panel {
    animation-delay: 90ms;
  }

  .overview-card:nth-child(2),
  .lens-card:nth-child(2),
  .timeline-card:nth-child(2),
  .source-list li:nth-child(2) {
    animation-delay: 100ms;
  }

  .overview-card:nth-child(3),
  .lens-card:nth-child(3),
  .timeline-card:nth-child(3),
  .source-list li:nth-child(3) {
    animation-delay: 170ms;
  }
}

@media (max-width: 980px) {
  .hero,
  .sources-layout,
  .overview-grid,
  .lens-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .timeline-grid::before {
    left: 0.45rem;
  }

  .timeline-card {
    padding-left: 2.1rem;
    min-height: 0;
  }

  .timeline-card::before,
  .timeline-card:nth-child(odd)::before,
  .timeline-card:nth-child(even)::before {
    left: 0.02rem;
    right: auto;
  }

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

@media (max-width: 760px) {
  .site-shell {
    width: min(var(--max-width), calc(100% - 1rem));
  }

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

  .nav {
    width: 100%;
    justify-content: flex-start;
  }

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

  .hero-copy,
  .hero-panel,
  .overview-card,
  .lens-card,
  .timeline-card,
  .source-note,
  .source-list li,
  .faq-list details {
    border-radius: 1.4rem;
  }

  .hero-copy,
  .hero-panel {
    padding: 1.2rem;
  }

  .panel-frame {
    padding: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .nav a {
    width: auto;
  }

  .footer {
    margin-top: 3.5rem;
  }
}