:root {
  --ink: #11171d;
  --ink-soft: #1a232c;
  --paper: #f2efe8;
  --paper-deep: #e4ded3;
  --text: #edf0ef;
  --muted: #a9b1b1;
  --line: rgba(237, 240, 239, .16);
  --orange: #ee7c2f;
  --cyan: #56c4bf;
  --max: 1180px;
  font-family: Inter, "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  color: var(--text);
  background: var(--ink);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); line-height: 1.65; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

.site-header { position: relative; z-index: 5; border-bottom: 1px solid var(--line); background: rgba(17, 23, 29, .95); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 11px; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--orange); color: var(--orange); font-weight: 800; font-size: 14px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 16px; }
.brand small { color: var(--muted); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--text); }
.nav-toggle { display: none; border: 1px solid var(--line); background: transparent; color: var(--text); padding: 7px 12px; cursor: pointer; }

.hero { position: relative; min-height: 630px; display: grid; align-items: end; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-media { position: absolute; inset: 0; background: #26313a; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: .6; filter: saturate(.76) contrast(1.08); }
.hero-media::after { content: ""; position: absolute; inset: 0; background: rgba(17, 23, 29, .42); }
.hero-content { position: relative; z-index: 1; padding: 120px 0 74px; max-width: 760px; }
.eyebrow { margin: 0 0 18px; color: var(--cyan); font-size: 12px; letter-spacing: .2em; text-transform: uppercase; }
.hero h1 { max-width: 620px; margin: 0; font-size: clamp(52px, 8vw, 92px); letter-spacing: -.04em; line-height: .95; }
.hero h1 span { display: block; color: var(--orange); font-size: .35em; letter-spacing: .08em; line-height: 1.4; margin-top: 22px; }
.hero-intro { max-width: 600px; margin: 28px 0 0; color: #d5dbd9; font-size: 18px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 36px; color: #d5dbd9; font-size: 12px; }
.hero-meta span { border-left: 2px solid var(--orange); padding-left: 10px; }
.button-row { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--orange); background: var(--orange); color: #171c20; font-size: 14px; font-weight: 700; }
.button.secondary { background: transparent; border-color: var(--line); color: var(--text); }
.button:hover, .button:focus-visible { filter: brightness(1.08); }

.section { padding: 88px 0; }
.section.paper { background: var(--paper); color: var(--ink); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 4vw, 48px); letter-spacing: -.035em; line-height: 1.05; }
.section-heading p { max-width: 410px; margin: 0; color: var(--muted); font-size: 14px; }
.paper .section-heading p { color: #5b625f; }
.text-link { display: inline-flex; gap: 8px; align-items: center; color: var(--orange); font-weight: 700; font-size: 14px; }
.text-link span { font-size: 18px; line-height: 1; }

.feature { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 310px; background: var(--ink-soft); }
.feature img { width: 100%; height: 100%; min-height: 310px; object-fit: cover; }
.feature-copy { display: flex; flex-direction: column; justify-content: center; padding: 42px; }
.feature-copy h2 { margin: 0 0 16px; font-size: clamp(28px, 4vw, 48px); line-height: 1.1; letter-spacing: -.03em; }
.feature-copy p:not(.eyebrow) { margin: 0 0 24px; color: var(--muted); }

.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.experience-card { border: 1px solid var(--line); background: var(--ink-soft); min-width: 0; }
.paper .experience-card { border-color: rgba(17, 23, 29, .14); background: #ebe7df; }
.card-image { position: relative; display: block; aspect-ratio: 1.35; overflow: hidden; background: #2a343c; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.experience-card:hover .card-image img { transform: scale(1.04); }
.card-tag { position: absolute; left: 12px; bottom: 12px; padding: 3px 8px; background: var(--orange); color: #171c20; font-size: 11px; font-weight: 800; }
.card-body { padding: 18px; }
.card-meta { margin: 0 0 8px; color: var(--cyan); font-size: 11px; letter-spacing: .04em; }
.card-body h3 { margin: 0 0 10px; font-size: 18px; line-height: 1.25; }
.card-body h3 a:hover { color: var(--orange); }
.card-body p:not(.card-meta) { min-height: 70px; margin: 0; color: var(--muted); font-size: 13px; }
.paper .card-body p:not(.card-meta) { color: #5b625f; }
.card-source { display: flex; flex-direction: column; gap: 3px; margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.paper .card-source { border-color: rgba(17, 23, 29, .14); color: #6a716d; }
.card-source a { color: var(--cyan); }
.paper .card-source a { color: #167b78; }

.category-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.category-item { padding: 26px 22px; border-right: 1px solid var(--line); }
.category-item:last-child { border-right: 0; }
.category-item strong { display: block; margin-bottom: 6px; font-size: 18px; }
.category-item span { color: var(--muted); font-size: 13px; }

.topic-hero { padding: 80px 0 50px; background: var(--ink-soft); border-bottom: 1px solid var(--line); }
.topic-hero h1 { max-width: 650px; margin: 0; font-size: clamp(40px, 7vw, 72px); letter-spacing: -.04em; line-height: .98; }
.topic-hero p { max-width: 610px; margin: 22px 0 0; color: var(--muted); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 34px 0 0; }
.filter { padding: 9px 14px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; }
.filter.is-active, .filter:hover { border-color: var(--orange); color: var(--text); }
.topic-section { padding: 46px 0 90px; }
.topic-title { margin: 0 0 24px; font-size: 28px; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 72px; padding: 72px 0 96px; }
.article-kicker { display: flex; flex-wrap: wrap; gap: 12px; color: var(--cyan); font-size: 12px; letter-spacing: .08em; }
.article h1 { max-width: 790px; margin: 22px 0 16px; font-size: clamp(42px, 6vw, 72px); line-height: 1; letter-spacing: -.045em; }
.article-lead { max-width: 720px; margin: 0 0 34px; color: var(--muted); font-size: 18px; }
.article-figure { margin: 0 0 34px; }
.article-figure img { width: 100%; max-height: 540px; object-fit: cover; }
.article-figure figcaption { margin-top: 9px; color: var(--muted); font-size: 12px; }
.article-copy { max-width: 720px; color: #d2d9d7; font-size: 17px; }
.article-copy p { margin: 0 0 22px; }
.source-box { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 38px; padding: 18px; border-left: 2px solid var(--orange); background: var(--ink-soft); color: var(--muted); font-size: 12px; }
.source-box strong { width: 100%; color: var(--text); font-size: 13px; }
.source-box a { color: var(--cyan); }
.related { border-left: 1px solid var(--line); padding-left: 28px; }
.related h2 { margin: 0 0 18px; font-size: 20px; }
.related .experience-card { margin-bottom: 14px; }
.related .card-body p:not(.card-meta) { min-height: 0; }

.legal-page { padding: 74px 0 96px; }
.legal-page h1 { margin: 0 0 12px; font-size: clamp(42px, 6vw, 70px); letter-spacing: -.04em; line-height: 1; }
.legal-page .lead { max-width: 680px; color: var(--muted); }
.legal-copy { max-width: 780px; margin-top: 48px; color: #d2d9d7; }
.legal-copy h2 { margin: 34px 0 9px; color: var(--text); font-size: 22px; }
.legal-copy p { margin: 0 0 15px; }
.legal-copy a { color: var(--cyan); }

.site-footer { border-top: 1px solid var(--line); background: #0b1014; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; padding: 38px 0; }
.footer-brand { margin: 0 0 4px; font-size: 20px; font-weight: 800; }
.footer-note { margin: 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 13px; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0 24px; border-top: 1px solid var(--line); color: #788380; font-size: 11px; }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature { grid-template-columns: 1fr; }
  .feature img { max-height: 360px; }
  .article-layout { grid-template-columns: 1fr; gap: 50px; }
  .related { border-left: 0; border-top: 1px solid var(--line); padding: 34px 0 0; }
}

@media (max-width: 640px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .header-inner { min-height: 66px; }
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 66px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; border-bottom: 1px solid var(--line); background: var(--ink); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: 600px; }
  .hero-content { padding: 94px 0 50px; }
  .hero h1 { font-size: 58px; }
  .hero-intro { font-size: 16px; }
  .button-row { flex-wrap: wrap; }
  .section { padding: 62px 0; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 14px; }
  .card-grid { grid-template-columns: 1fr; }
  .category-strip { grid-template-columns: repeat(2, 1fr); }
  .category-item:nth-child(2) { border-right: 0; }
  .category-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .footer-grid, .footer-bottom { display: block; }
  .footer-links { margin-top: 20px; }
  .footer-bottom span { display: block; margin-top: 8px; }
  .article-layout { padding: 52px 0 70px; }
  .article h1 { font-size: 45px; }
}