:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1c1d21;
  --muted: #5f6370;
  --line: #e4e2dc;
  --accent: #c2410c;
  --accent-soft: #fdeee6;
  --maxw: 880px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --surface: #1a1c20;
    --text: #ecebe8;
    --muted: #a0a3ab;
    --line: #2b2e34;
    --accent: #fb8a4c;
    --accent-soft: #2a1d16;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, video { max-width: 100%; display: block; border-radius: 10px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Nav */
header.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
header.nav .brand { font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
header.nav nav { display: flex; gap: 18px; overflow-x: auto; scrollbar-width: none; }
header.nav nav a { color: var(--muted); font-size: 15px; white-space: nowrap; }
header.nav nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero { padding: 72px 0 48px; }
.hero .eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 10px; }
.hero h1 { font-size: clamp(36px, 7vw, 56px); line-height: 1.05; margin: 0 0 16px; letter-spacing: -0.03em; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 0 24px; }
.links { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block; padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text); font-size: 15px; background: var(--surface);
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Sections */
section { padding: 40px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 22px; }

.item { margin-bottom: 28px; }
.item:last-child { margin-bottom: 0; }
.item-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px 16px; }
.item h3 { font-size: 19px; margin: 0; }
.item .meta { color: var(--muted); font-size: 15px; }
.item .sub { color: var(--muted); font-size: 15px; margin: 2px 0 8px; }
.item ul { margin: 8px 0 0; padding-left: 20px; }
.item li { margin-bottom: 4px; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.tag { font-size: 13px; padding: 2px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }

/* Project cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px; display: flex; flex-direction: column;
}
.card.featured { border-color: var(--accent); }
.card h3 { margin: 0 0 4px; font-size: 19px; }
.card .meta { color: var(--muted); font-size: 14px; }
.card p { margin: 10px 0; }
.card .more { margin-top: auto; font-weight: 600; }

.skills { display: grid; grid-template-columns: 140px 1fr; gap: 10px 20px; }
.skills dt { color: var(--muted); }
.skills dd { margin: 0; }
@media (max-width: 560px) { .skills { grid-template-columns: 1fr; gap: 2px; } .skills dd { margin-bottom: 10px; } }

footer { padding: 32px 0 48px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }

/* Project page */
.project-hero { padding: 48px 0 24px; }
.project-hero h1 { font-size: clamp(32px, 6vw, 46px); margin: 8px 0 10px; letter-spacing: -0.02em; }
.back { font-size: 15px; }
.media-placeholder {
  aspect-ratio: 16 / 9; border: 2px dashed var(--line); border-radius: 14px;
  display: grid; place-items: center; text-align: center; color: var(--muted); padding: 20px;
  background: var(--surface); margin: 8px 0 0;
}
.prose h2 { font-size: 24px; text-transform: none; letter-spacing: -0.01em; color: var(--text); margin: 0 0 12px; }
.prose p, .prose li { max-width: 680px; }
.todo { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 10px 14px; border-radius: 6px; font-size: 15px; }