:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --ink: #15171a;
  --ink-2: #4a4f57;
  --line: #e3e3dc;
  --accent: #3b5bdb;
  --accent-ink: #ffffff;
  --glow: #c7d2fe;
  --radius: 18px;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 8px 24px rgb(0 0 0 / 0.06);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f12;
    --surface: #161a20;
    --ink: #eef0f3;
    --ink-2: #a3aab5;
    --line: #262b33;
    --accent: #8ea2ff;
    --accent-ink: #0d0f12;
    --glow: #26305c;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 8px 24px rgb(0 0 0 / 0.35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.55; }
a { color: inherit; }
.top, main, .foot { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.top { display: flex; align-items: center; justify-content: space-between; padding-block: 20px; }
.mark { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: 0.04em; }
.mark b { color: var(--accent); }
.mark-bg { fill: var(--ink); }
.mark-line { fill: none; stroke: var(--bg); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.mark-dot { fill: var(--accent); }
nav { display: flex; gap: 20px; }
nav a { text-decoration: none; color: var(--ink-2); font-size: 0.95rem; padding: 8px 0; }
nav a:hover { color: var(--ink); }

.hero { padding: 72px 0 64px; position: relative; }
.hero::before { content: ""; position: absolute; inset: 0 -10% auto auto; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(closest-side, var(--glow), transparent); z-index: -1; opacity: 0.8; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; color: var(--accent); font-weight: 600; margin: 0 0 16px; }
h1 { font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.02; letter-spacing: -0.03em; margin: 0 0 22px; }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: 36rem; margin: 0 0 32px; }
.steps { list-style: none; padding: 0; margin: 0 0 36px; display: flex; flex-wrap: wrap; gap: 8px; }
.steps li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-size: 0.92rem; font-weight: 500; }
.steps span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--ink); color: var(--bg); font-size: 0.75rem; }
.steps li:last-child span { background: var(--accent); color: var(--accent-ink); }
.button { display: inline-block; background: var(--ink); color: var(--bg); padding: 14px 22px; border-radius: 12px; text-decoration: none; font-weight: 600; transition: transform 0.15s ease; }
.button:hover { transform: translateY(-1px); }
.button:focus-visible, .card:focus-visible, nav a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.projects, .about { padding: 56px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
h2 { font-size: 1.8rem; letter-spacing: -0.02em; margin: 0; }
.quiet { color: var(--ink-2); margin: 0; font-size: 0.95rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { display: flex; flex-direction: column; gap: 8px; padding: 22px; min-height: 180px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); text-decoration: none; transition: transform 0.15s ease, border-color 0.15s ease; }
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card h3 { margin: 4px 0 0; font-size: 1.2rem; }
.card p { margin: 0; color: var(--ink-2); font-size: 0.95rem; flex: 1; }
.card-tag { align-self: flex-start; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.card-foot { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--ink-2); }
.card-url { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { padding: 40px 24px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty h3 { margin: 0 0 6px; }
.empty p { margin: 0; color: var(--ink-2); }

.about h2 { margin-bottom: 24px; }
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.about h3 { font-size: 1.05rem; margin: 0 0 6px; }
.about p { margin: 0; color: var(--ink-2); }
.foot { padding-block: 32px 48px; color: var(--ink-2); font-size: 0.9rem; border-top: 1px solid var(--line); }
@media (max-width: 560px) { .hero { padding-top: 40px; } nav { gap: 14px; } }