/* =========================================================
   The Littoral — APAC geopolitics blog
   Newspaper-style theme: serif headlines, thin rules, grids
   ========================================================= */

:root {
  --ink: #111111;
  --ink-soft: #3d3d3d;
  --muted: #6b6b6b;
  --rule: #d9d6cf;
  --rule-strong: #111111;
  --paper: #fbfaf7;
  --paper-alt: #f2efe8;
  --accent: #a3201b;          /* editorial red */
  --accent-soft: #f6e6e4;
  --link-hover: #a3201b;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --display: "Playfair Display", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --max: 1200px;
  --gutter: 16px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eceae4;
    --ink-soft: #c9c6bf;
    --muted: #9a978f;
    --rule: #34322e;
    --rule-strong: #eceae4;
    --paper: #151412;
    --paper-alt: #1e1c19;
    --accent: #e0574f;
    --accent-soft: #3a1d1b;
    --link-hover: #e0574f;
  }
}
:root[data-theme="dark"] {
  --ink: #eceae4;
  --ink-soft: #c9c6bf;
  --muted: #9a978f;
  --rule: #34322e;
  --rule-strong: #eceae4;
  --paper: #151412;
  --paper-alt: #1e1c19;
  --accent: #e0574f;
  --accent-soft: #3a1d1b;
  --link-hover: #e0574f;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--link-hover); }
button { font: inherit; cursor: pointer; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Top utility bar ---------- */
.topbar {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; height: 36px; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.topbar button {
  background: none; border: 0; color: var(--muted); padding: 4px 0; font-size: 12px;
}
.topbar button:hover { color: var(--ink); }
.topbar .btn-subscribe {
  background: var(--accent); color: #fff;
  padding: 5px 12px; border-radius: 2px; font-weight: 600; letter-spacing: .02em;
}
.topbar .btn-subscribe:hover { color: #fff; }

/* ---------- Masthead ---------- */
.masthead { text-align: center; padding: 22px 0 14px; }
.masthead .logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(36px, 7vw, 64px);
  letter-spacing: -0.01em;
  line-height: 1;
  display: inline-block;
}
.masthead .tagline {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* ---------- Primary nav ---------- */
.nav {
  border-top: 1px solid var(--rule-strong);
  border-bottom: 3px double var(--rule-strong);
  font-family: var(--sans);
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
}
.nav .container { display: flex; align-items: center; justify-content: center; position: relative; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; }
.nav li a {
  display: block; padding: 11px 12px; font-size: 13px; font-weight: 600;
  letter-spacing: .03em; text-transform: uppercase;
}
.nav li a.active { color: var(--accent); box-shadow: inset 0 -3px 0 var(--accent); }
.nav-toggle, .nav-search-btn {
  display: none; background: none; border: 0; color: var(--ink); padding: 10px 4px; font-size: 13px; font-weight: 600;
}
.nav-search {
  position: absolute; right: var(--gutter); top: 50%; transform: translateY(-50%);
}
.nav-search form { display: flex; }
.nav-search input {
  width: 140px; padding: 6px 8px; font: 13px var(--sans);
  border: 1px solid var(--rule); background: var(--paper); color: var(--ink); border-radius: 2px;
}
.nav-search input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ---------- Ticker ---------- */
.ticker {
  font-family: var(--sans); font-size: 13px;
  border-bottom: 1px solid var(--rule);
  overflow: hidden; white-space: nowrap;
}
.ticker .container { display: flex; align-items: center; gap: 12px; height: 38px; }
.ticker-label {
  flex: none; background: var(--ink); color: var(--paper);
  font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 3px 8px;
}
.ticker-track { overflow: hidden; flex: 1; -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.ticker-inner { display: inline-block; animation: ticker 70s linear infinite; padding-left: 100%; }
.ticker-inner a { margin-right: 40px; }
.ticker-inner a::before { content: "\25A0"; color: var(--accent); font-size: 8px; margin-right: 8px; vertical-align: 2px; }
.ticker:hover .ticker-inner { animation-play-state: paused; }
@keyframes ticker { to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .ticker-inner { animation: none; padding-left: 0; } }

/* ---------- Generic story elements ---------- */
.kicker {
  font-family: var(--sans); font-size: 11px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent);
  display: inline-block; margin-bottom: 6px;
}
.kicker .type { color: var(--muted); font-weight: 600; }
.headline { font-family: var(--display); font-weight: 700; line-height: 1.15; margin: 0 0 8px; }
.dek { color: var(--ink-soft); margin: 0 0 10px; }
.byline { font-family: var(--sans); font-size: 12px; color: var(--muted); }
.byline strong { color: var(--ink); font-weight: 600; }

.thumb {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden; margin-bottom: 12px;
  background: var(--paper-alt);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-placeholder {
  width: 100%; height: 100%; display: flex; align-items: flex-end; padding: 12px;
  font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.92);
  background-image:
    radial-gradient(circle at 75% 30%, rgba(255,255,255,.18), transparent 45%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px),
    linear-gradient(135deg, var(--c1), var(--c2));
}

.section-title {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  border-top: 3px solid var(--rule-strong); padding-top: 8px; margin: 40px 0 18px;
}
.section-title h2 {
  font-family: var(--sans); font-size: 15px; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; margin: 0;
}
.section-title a.more { font-family: var(--sans); font-size: 12px; font-weight: 600; color: var(--accent); }

/* ---------- Home: top grid ---------- */
.top-grid {
  display: grid; grid-template-columns: 1fr 2.1fr 1fr; gap: 0; margin-top: 24px;
}
.top-grid > * { padding: 0 20px; }
.top-grid > *:first-child { padding-left: 0; }
.top-grid > *:last-child { padding-right: 0; }
.top-grid > * + * { border-left: 1px solid var(--rule); }

.lead .headline { font-size: clamp(28px, 3.4vw, 40px); }
.lead .dek { font-size: 19px; }
.lead .thumb { aspect-ratio: 3 / 2; }

.stack-story { padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--rule); }
.stack-story:last-child { border-bottom: 0; margin-bottom: 0; }
.stack-story .headline { font-size: 20px; }
.stack-story .dek { font-size: 15px; }

.most-read h3, .sidebar-box h3 {
  font-family: var(--sans); font-size: 13px; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--rule-strong);
}
.most-read ol { list-style: none; margin: 0; padding: 0; counter-reset: mr; }
.most-read li {
  counter-increment: mr; display: grid; grid-template-columns: 34px 1fr; gap: 6px;
  padding: 10px 0; border-bottom: 1px solid var(--rule);
}
.most-read li::before {
  content: counter(mr); font-family: var(--display); font-size: 28px; font-weight: 700;
  color: var(--accent); line-height: 1;
}
.most-read a { font-family: var(--display); font-weight: 600; font-size: 16px; line-height: 1.25; }

/* ---------- Card grids ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card .headline { font-size: 19px; }
.card .dek { font-size: 15px; }

/* Section block: 1 big + list */
.section-block { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; }
.section-block .big .headline { font-size: 26px; }
.section-block .list .item { padding: 0 0 14px; margin-bottom: 14px; border-bottom: 1px solid var(--rule); }
.section-block .list .item:last-child { border-bottom: 0; }
.section-block .list .headline { font-size: 18px; }

/* Regions row */
.regions-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.regions-row > div { padding: 0 18px; }
.regions-row > div:first-child { padding-left: 0; }
.regions-row > div:last-child { padding-right: 0; }
.regions-row > div + div { border-left: 1px solid var(--rule); }
.regions-row h3 {
  font-family: var(--sans); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  margin: 0 0 12px;
}
.regions-row h3 a { color: var(--accent); }
.regions-row .item + .item { border-top: 1px solid var(--rule); padding-top: 12px; margin-top: 12px; }
.regions-row .headline { font-size: 17px; }

/* Opinion strip */
.opinion-strip { background: var(--paper-alt); padding: 8px 24px 28px; margin-top: 40px; }
.opinion-strip .section-title { margin-top: 20px; }
.opinion-card .author-line { font-family: var(--sans); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: 6px; }
.opinion-card .headline { font-size: 20px; font-style: italic; }

/* Newsletter */
.newsletter {
  border: 1px solid var(--rule-strong); padding: 28px; margin: 48px 0 0;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center;
}
.newsletter h2 { font-family: var(--display); font-size: 28px; margin: 0 0 6px; }
.newsletter p { margin: 0; color: var(--ink-soft); }
.newsletter form { display: flex; gap: 8px; }
.newsletter input {
  flex: 1; min-width: 0; padding: 11px 12px; font: 15px var(--sans);
  border: 1px solid var(--rule-strong); background: var(--paper); color: var(--ink);
}
.btn {
  background: var(--ink); color: var(--paper); border: 0; padding: 11px 18px;
  font: 600 14px var(--sans); letter-spacing: .02em;
}
.btn:hover { background: var(--accent); color: #fff; }
.form-note { font-family: var(--sans); font-size: 13px; margin-top: 8px; color: var(--accent); min-height: 1em; }

/* ---------- Section page ---------- */
.page-head { padding: 28px 0 18px; border-bottom: 1px solid var(--rule-strong); margin-bottom: 24px; }
.page-head h1 { font-family: var(--display); font-size: clamp(34px, 5vw, 52px); margin: 0 0 6px; line-height: 1.05; }
.page-head p { margin: 0; color: var(--ink-soft); max-width: 720px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; font-family: var(--sans); }
.chip {
  border: 1px solid var(--rule); background: transparent; color: var(--ink);
  padding: 6px 12px; font-size: 13px; border-radius: 999px;
}
.chip.active, .chip:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }

.layout-main-side { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
.river .river-item {
  display: grid; grid-template-columns: 1fr 260px; gap: 24px;
  padding: 20px 0; border-bottom: 1px solid var(--rule);
}
.river .river-item:first-child { padding-top: 0; }
.river .river-item .thumb { margin: 0; }
.river .headline { font-size: 24px; }
.empty { font-family: var(--sans); color: var(--muted); padding: 24px 0; }

.sidebar-box { margin-bottom: 32px; }
.sidebar-box p { font-size: 15px; color: var(--ink-soft); margin: 0 0 10px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: var(--sans); font-size: 12px; padding: 4px 10px; border: 1px solid var(--rule); border-radius: 2px;
}
.tag:hover { border-color: var(--accent); }

/* ---------- Article page ---------- */
.article { max-width: 720px; margin: 0 auto; padding-top: 32px; }
.breadcrumb { font-family: var(--sans); font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--accent); font-weight: 600; }
.article h1 { font-family: var(--display); font-size: clamp(32px, 5vw, 48px); line-height: 1.1; margin: 0 0 14px; }
.article .dek { font-size: 21px; line-height: 1.45; margin-bottom: 18px; }
.article-meta {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 12px 0; margin-bottom: 24px;
}
.share { display: flex; gap: 6px; flex-wrap: wrap; }
.share button, .share a {
  border: 1px solid var(--rule); background: transparent; color: var(--ink);
  font: 600 12px var(--sans); padding: 6px 10px; border-radius: 2px;
}
.share button:hover, .share a:hover { border-color: var(--ink); }
.article .thumb { aspect-ratio: 16 / 9; margin-bottom: 6px; }
.caption { font-family: var(--sans); font-size: 12px; color: var(--muted); margin-bottom: 28px; }
.article-body { font-size: 19px; line-height: 1.7; }
.article-body p { margin: 0 0 1.2em; }
.article-body > p:first-of-type::first-letter {
  font-family: var(--display); float: left; font-size: 4.2em; line-height: .85; padding: 6px 10px 0 0; font-weight: 700;
}
.article-body h2 { font-family: var(--display); font-size: 26px; margin: 1.6em 0 .6em; }
.article-body blockquote {
  margin: 1.6em 0; padding: 0 0 0 20px; border-left: 4px solid var(--accent);
  font-family: var(--display); font-size: 24px; font-style: italic; line-height: 1.35;
}
.article-body ul { padding-left: 1.2em; }
.article-body li { margin-bottom: .5em; }
.sample-note {
  font-family: var(--sans); font-size: 13px; background: var(--accent-soft); color: var(--ink);
  padding: 10px 14px; border-left: 3px solid var(--accent); margin-bottom: 24px;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 32px 0; padding-top: 20px; border-top: 1px solid var(--rule); }
.author-box {
  display: grid; grid-template-columns: 56px 1fr; gap: 14px; align-items: center;
  background: var(--paper-alt); padding: 16px; margin-bottom: 20px;
}
.avatar {
  width: 56px; height: 56px; border-radius: 50%; background: var(--ink); color: var(--paper);
  display: grid; place-items: center; font: 700 18px var(--sans);
}
.author-box p { margin: 0; font-size: 14px; color: var(--ink-soft); }
.reading-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--accent); width: 0; z-index: 100; }

/* ---------- Static pages ---------- */
.prose { max-width: 720px; margin: 0 auto; padding: 32px 0; font-size: 18px; line-height: 1.7; }
.prose h1 { font-family: var(--display); font-size: clamp(34px, 5vw, 48px); line-height: 1.1; margin: 0 0 16px; }
.prose h2 { font-family: var(--display); font-size: 24px; margin: 1.6em 0 .5em; }

/* ---------- Footer ---------- */
.footer {
  margin-top: 64px; border-top: 3px double var(--rule-strong);
  font-family: var(--sans); font-size: 14px; padding: 32px 0 40px;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 24px; }
.footer .logo { font-family: var(--display); font-size: 28px; font-weight: 800; }
.footer h4 { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 10px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 6px; }
.footer p { color: var(--muted); margin: 8px 0 0; }
.footer-bottom { border-top: 1px solid var(--rule); margin-top: 28px; padding-top: 16px; color: var(--muted); font-size: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .nav .container { flex-wrap: wrap; }
  .nav-search { position: static; transform: none; margin-left: 8px; }
}
@media (max-width: 960px) {
  .top-grid { grid-template-columns: 1fr 1fr; }
  .top-grid .lead { grid-column: 1 / -1; order: -1; padding: 0 0 20px; border-bottom: 1px solid var(--rule); margin-bottom: 20px; }
  .top-grid > * { border-left: 0 !important; }
  .top-grid > .secondary { padding-left: 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .regions-row { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .regions-row > div { padding: 0 18px !important; }
  .regions-row > div:nth-child(odd) { padding-left: 0 !important; border-left: 0 !important; }
  .layout-main-side { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .topbar .date-long { display: none; }
  .nav .container { justify-content: space-between; flex-wrap: wrap; }
  .nav-toggle, .nav-search-btn { display: block; }
  .nav ul { display: none; width: 100%; flex-direction: column; padding-bottom: 8px; }
  .nav.open ul { display: flex; }
  .nav li a { padding: 10px 0; border-top: 1px solid var(--rule); }
  .nav li a.active { box-shadow: none; }
  .nav-search { display: none; width: 100%; padding-bottom: 10px; margin: 0; }
  .nav.search-open .nav-search { display: block; }
  .nav-search input { width: 100%; }
  .top-grid { grid-template-columns: 1fr; }
  .top-grid > * { padding: 0 !important; }
  .top-grid .most-read { margin-top: 24px; }
  .grid-4, .grid-3, .section-block, .regions-row { grid-template-columns: 1fr; }
  .regions-row > div { padding: 0 !important; border-left: 0 !important; }
  .river .river-item { grid-template-columns: 1fr; gap: 12px; }
  .river .river-item .thumb { order: -1; }
  .newsletter { grid-template-columns: 1fr; padding: 20px; }
  .newsletter form { flex-direction: column; }
  .opinion-strip { padding: 4px 16px 20px; margin-left: calc(-1 * var(--gutter)); margin-right: calc(-1 * var(--gutter)); }
  .footer-grid { grid-template-columns: 1fr; }
  .article-body { font-size: 18px; }
}