:root {
  --ink: #15171c;
  --muted: #606978;
  --paper: #f6f7f4;
  --panel: #ffffff;
  --line: #d9ded7;
  --accent: #234b73;
  --gold: #c4832d;
  --shadow: 0 24px 70px rgba(21, 23, 28, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #edf1f5, var(--paper) 440px);
}
.site-header {
  position: sticky; top: 0; z-index: 5;
  display: flex; justify-content: space-between; gap: 24px; align-items: center;
  padding: 16px max(20px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(217,222,215,.86);
  background: rgba(246,247,244,.9); backdrop-filter: blur(16px);
}
.brand, nav a { color: var(--ink); text-decoration: none; font-weight: 900; }
nav { display: flex; flex-wrap: wrap; gap: 6px; }
nav a { border-radius: 8px; padding: 9px 11px; color: var(--muted); }
nav a:hover { background: var(--panel); color: var(--ink); }
.hero, .article-grid, .topics, .newsletter { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.hero {
  min-height: 72vh;
  display: grid; grid-template-columns: minmax(0,.86fr) minmax(360px,.9fr);
  gap: clamp(34px,6vw,76px); align-items: center; padding: 54px 0;
}
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: .78rem; font-weight: 900; text-transform: uppercase; }
h1,h2,p { margin-top: 0; }
h1 { margin-bottom: 22px; font-size: clamp(3rem,5.6vw,5.7rem); line-height: .98; letter-spacing: 0; }
h2 { line-height: 1.05; letter-spacing: 0; }
p { color: var(--muted); font-size: 1.04rem; line-height: 1.68; }
.featured, .article-grid article {
  overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: var(--shadow);
}
.featured img, .article-grid img { width: 100%; display: block; object-fit: cover; }
.featured img { height: 330px; }
.featured div { padding: 24px; }
.featured span, .article-grid span { color: var(--gold); font-weight: 900; text-transform: uppercase; font-size: .78rem; }
.featured h2 { margin: 12px 0 10px; font-size: clamp(1.5rem,2.8vw,2.6rem); }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 30px 0 76px; }
.article-grid img { height: 210px; }
.article-grid h2, .article-grid p, .article-grid span { margin-left: 22px; margin-right: 22px; }
.article-grid span { display: block; margin-top: 22px; }
.article-grid h2 { margin-top: 12px; margin-bottom: 8px; font-size: 1.35rem; }
.article-grid p { margin-bottom: 24px; }
.topics, .newsletter {
  display: grid; grid-template-columns: .82fr 1fr; gap: 56px; padding: 70px 0; border-top: 1px solid var(--line);
}
.topic-list { display: flex; flex-wrap: wrap; gap: 10px; align-content: start; }
.topic-list span {
  border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: var(--panel); color: var(--muted); font-weight: 850;
}
form { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; align-self: start; }
input, button { min-height: 50px; border-radius: 8px; font: inherit; }
input { border: 1px solid var(--line); padding: 0 14px; }
button { border: 0; padding: 0 18px; background: var(--accent); color: #fff; font-weight: 850; cursor: pointer; }
@media (max-width: 900px) {
  .site-header, .hero, .article-grid, .topics, .newsletter, form { grid-template-columns: 1fr; }
  .site-header { align-items: flex-start; flex-direction: column; }
}