:root {
  --navy: #1d2433;
  --navy-2: #2b3550;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1d2433;
  --muted: #5b6475;
  --line: #e3e6ec;
  --accent: #3b5bdb;
  --chip: #eef1f6;
  --live: #1b7f45;
  --live-soft: #e3f5ea;
  --dev: #8a5a00;
  --dev-soft: #fbf1d9;
  --head: Montserrat, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --body: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151f;
    --surface: #181e2b;
    --text: #e6e9ef;
    --muted: #a0a8b8;
    --line: #273044;
    --accent: #8aa2ff;
    --chip: #222a3b;
    --live: #6fd79a;
    --live-soft: #13301f;
    --dev: #f0c46a;
    --dev-soft: #33280f;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 var(--body); }
h1, h2, h3 { font-family: var(--head); line-height: 1.25; }
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }

.top { position: sticky; top: 0; z-index: 5; background: var(--navy); }
.nav-inner { display: flex; align-items: center; gap: 16px; height: 56px; }
.brand { color: #fff; font: 700 18px var(--head); text-decoration: none; letter-spacing: 0.04em; }
.top ul { display: flex; gap: 4px; list-style: none; margin: 0 0 0 auto; padding: 0; overflow-x: auto; scrollbar-width: none; }
.top ul::-webkit-scrollbar { display: none; }
.top li a { display: block; color: #cfd5e2; text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: 14px; white-space: nowrap; }
.top li a:hover, .top li a:focus-visible { color: #fff; background: var(--navy-2); }

.hero { background: var(--navy); color: #fff; padding: 72px 0 80px; }
.eyebrow { margin: 0 0 12px; color: #aeb8cc; font-size: 14px; letter-spacing: 0.04em; }
.hero h1 { margin: 0 0 12px; font-size: clamp(32px, 6vw, 52px); letter-spacing: -0.01em; }
.tagline { margin: 0 0 16px; font: 600 clamp(18px, 2.6vw, 22px)/1.4 var(--head); color: #dfe4ee; }
.intro { margin: 0 0 28px; max-width: 680px; color: #c3cbdb; font-size: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; }
.btn.primary { background: #fff; color: var(--navy); }
.hero .btn.ghost { color: #fff; border: 1px solid #56617a; }
.btn:hover, .btn:focus-visible { filter: brightness(0.95); }
.contact .btn.primary { background: var(--navy); color: #fff; word-break: break-all; }
@media (prefers-color-scheme: dark) { .contact .btn.primary { background: var(--accent); color: #0d1220; } }

section.wrap { padding-top: 56px; padding-bottom: 8px; }
h2 { font-size: 26px; margin: 0 0 20px; }
.prose p { margin: 0 0 14px; max-width: 720px; }

.skills { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.skill, .card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.skill h3 { margin: 0 0 10px; font-size: 17px; }
.skill ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 15px; }
.skill li { margin: 4px 0; }

.timeline { list-style: none; margin: 0; padding: 0 0 0 22px; border-left: 2px solid var(--line); }
.timeline > li { position: relative; padding: 0 0 28px 8px; }
.timeline > li::before {
  content: ""; position: absolute; left: -30px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--surface); border: 3px solid var(--navy);
}
@media (prefers-color-scheme: dark) { .timeline > li::before { border-color: var(--accent); } }
.when { font-size: 13px; font-weight: 600; color: var(--muted); letter-spacing: 0.03em; }
.timeline h3 { margin: 2px 0 2px; font-size: 18px; }
.where { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.timeline ul { margin: 0; padding-left: 18px; }
.timeline ul li { margin: 3px 0; }

.note { margin: -8px 0 16px; color: var(--muted); font-size: 14px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.filters button {
  font: 600 14px var(--body); padding: 7px 14px; border-radius: 999px; cursor: pointer;
  background: var(--surface); color: var(--text); border: 1px solid var(--line);
}
.filters button[aria-pressed="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }
@media (prefers-color-scheme: dark) { .filters button[aria-pressed="true"] { background: var(--accent); color: #0d1220; border-color: var(--accent); } }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { display: flex; flex-direction: column; gap: 8px; }
.card[hidden] { display: none; }
.card h3 { margin: 0; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .tools { margin-top: auto; padding-top: 6px; font-size: 13px; color: var(--text); }
.card .tools::before { content: "Tools: "; color: var(--muted); }
.tag { align-self: flex-start; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--chip); color: var(--muted); }
.tag.live { background: var(--live-soft); color: var(--live); }
.tag.dev { background: var(--dev-soft); color: var(--dev); }
.card-link { font-weight: 600; text-decoration: none; }
.card-link:hover, .card-link:focus-visible { text-decoration: underline; }

.two-col { display: grid; gap: 28px 40px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.sub { margin: 0 0 12px; font-size: 17px; }
.plain { list-style: none; margin: 0; padding: 0; }
.plain li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.plain li span { display: block; color: var(--muted); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li { background: var(--chip); border-radius: 8px; padding: 4px 12px; font-size: 14px; }

.contact { padding-bottom: 40px; }
.contact p { margin: 0 0 16px; color: var(--muted); }
.foot { padding: 28px 20px 40px; margin-top: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 640px) {
  .hero { padding: 48px 0 56px; }
  .brand { display: none; }
  .top ul { margin-left: -6px; }
}