:root {
  --bg: #0f0f10; --panel: #17171a; --line: #26262b; --text: #e8e8ea; --muted: #8b8b93; --accent: #ffffff;
  --radius: 4px;
}
:root[data-theme="light"] {
  --bg: #fafafa; --panel: #ffffff; --line: #e4e4e7; --text: #18181b; --muted: #6b6b73; --accent: #000000;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

header.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 32px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; letter-spacing: .12em; text-transform: uppercase; font-size: 13px; }
nav { display: flex; gap: 26px; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
nav a { color: var(--muted); padding: 4px 0; border-bottom: 1px solid transparent; transition: color .15s; }
nav a:hover, nav a.on { color: var(--text); border-color: var(--text); }

main { max-width: 1480px; margin: 0 auto; padding: 40px 32px 80px; }
h1 { font-size: 28px; font-weight: 600; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 500; margin: 36px 0 12px; }
.sub { color: var(--muted); margin: 0 0 32px; }

/* About */
.about { display: grid; grid-template-columns: 280px 1fr; gap: 56px; max-width: 1000px; margin: 20px auto 0; }
.about .photo { width: 100%; aspect-ratio: 4/5; object-fit: cover; background: var(--panel); border-radius: var(--radius); }
.about .lead { font-size: 19px; line-height: 1.55; margin: 12px 0 24px; }
.about .body { white-space: pre-wrap; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 3px 12px; font-size: 12.5px; color: var(--muted); }
.contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.contact a { border-bottom: 1px solid var(--line); }
.contact a:hover { border-color: var(--text); }
.cta { display: flex; gap: 12px; margin-top: 36px; flex-wrap: wrap; }
.btn { display: inline-block; border: 1px solid var(--text); padding: 10px 20px; font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; background: transparent; color: var(--text); font-family: inherit; border-radius: var(--radius); transition: background .15s, color .15s; }
.btn:hover { background: var(--text); color: var(--bg); }
.btn.ghost { border-color: var(--line); color: var(--muted); }

/* Gallery grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.card { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--panel); border-radius: var(--radius); }
.card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease, opacity .3s; }
.card:hover img { transform: scale(1.04); }
.card .cap { position: absolute; inset: auto 0 0 0; padding: 40px 16px 14px; background: linear-gradient(transparent, rgba(0,0,0,.75)); color: #fff; font-size: 14px; opacity: 0; transition: opacity .25s; }
.card:hover .cap { opacity: 1; }
.card .lock { position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,.6); color: #fff; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; }
.empty { color: var(--muted); padding: 60px 0; text-align: center; }

/* Project */
.proj { max-width: 1200px; margin: 0 auto; }
.proj .meta { max-width: 760px; margin-bottom: 28px; }
.proj .desc { color: var(--muted); white-space: pre-wrap; }
.proj .stack { display: grid; gap: 14px; }
.proj .stack img { width: 100%; border-radius: var(--radius); cursor: zoom-in; background: var(--panel); }
.video { aspect-ratio: 16/9; width: 100%; border: 0; border-radius: var(--radius); background: #000; }
.back { display: inline-block; color: var(--muted); font-size: 13px; margin-bottom: 18px; letter-spacing: .06em; text-transform: uppercase; }
.back:hover { color: var(--text); }

/* Lock form */
.gate { max-width: 380px; margin: 90px auto; text-align: center; }
.gate input { width: 100%; }
.err { color: #e5484d; min-height: 22px; font-size: 13px; }
input, textarea, select { background: var(--panel); border: 1px solid var(--line); color: var(--text); padding: 11px 13px; font: inherit; border-radius: var(--radius); }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--muted); }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 30px; border-top: 1px solid var(--line); }

/* Lightbox */
.lb { position: fixed; inset: 0; background: rgba(0,0,0,.94); z-index: 50; display: flex; align-items: center; justify-content: center; cursor: zoom-out; }
.lb img { max-width: 96vw; max-height: 96vh; object-fit: contain; }

@media (max-width: 760px) {
  header.top { padding: 14px 18px; flex-direction: column; gap: 10px; }
  nav { gap: 18px; font-size: 12px; }
  main { padding: 28px 16px 60px; }
  .about { grid-template-columns: 1fr; gap: 28px; }
  .about .photo { max-width: 240px; }
  .grid { grid-template-columns: 1fr; }
}