/* Minimal single-page landing. Dark only, warm brown-black, one restrained
   accent. Layout inspired by brittanychiang.com; prose-first voice inspired by
   leerob.com. Self-contained: the landing loads only this file. */

:root {
  --bg: #141210;
  --bg-soft: #1d1915;
  --line: #2a2620;
  --text: #a69c8c;
  --text-dim: #6e6558;
  --head: #ece6da;
  --accent: #d9b382;
  --accent-soft: rgba(217, 179, 130, 0.1);
  --tag-bg: rgba(217, 179, 130, 0.08);
  --sel: rgba(217, 179, 130, 0.2);
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--sel); }
a { color: var(--head); text-decoration: none; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1024px) {
  .wrap { display: flex; gap: 60px; }
}

/* left rail */
.rail { padding: 88px 0 40px; }
@media (min-width: 1024px) {
  .rail {
    position: sticky; top: 0; height: 100vh;
    width: 44%; flex-shrink: 0;
    display: flex; flex-direction: column; justify-content: space-between;
    padding: 96px 0;
  }
}
.rail h1 { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.02em; color: var(--head); margin: 0; }
.rail h1 a:hover { color: var(--accent); }
.rail h2 { font-size: 1.15rem; font-weight: 500; color: var(--head); margin: 10px 0 0; }
.pitch { margin: 18px 0 0; max-width: 340px; }

.nav { margin-top: 52px; display: none; }
@media (min-width: 1024px) { .nav { display: block; } }
.nav a { display: flex; align-items: center; gap: 16px; padding: 12px 0; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); font-weight: 600; }
.nav .ind { width: 32px; height: 1px; background: var(--text-dim); transition: width 0.2s, background 0.2s; }
.nav a:hover .ind, .nav a.active .ind { width: 64px; background: var(--head); }
.nav a:hover, .nav a.active { color: var(--head); }

/* flagship product card, pinned in the sticky rail so it stays on screen */
.promo { display: block; margin: 0 0 26px; max-width: 380px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-soft); transition: border-color 0.18s, transform 0.18s; }
.promo:hover { border-color: var(--accent); transform: translateY(-2px); }
.promo-k { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.promo-name { display: block; margin-top: 11px; font-size: 1.08rem; font-weight: 700; color: var(--head); letter-spacing: -0.01em; }
.promo-p { display: block; margin-top: 6px; font-size: 0.82rem; line-height: 1.5; color: var(--text-dim); }
.promo .go { display: inline-flex; align-items: center; gap: 6px; margin-top: 15px; padding: 7px 13px; border: 1px solid var(--accent); border-radius: 999px; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); transition: background 0.18s, color 0.18s; }
.promo .go-arr { font-size: 0.9rem; line-height: 1; transition: transform 0.18s; }
.promo:hover .go { background: var(--accent); color: #141210; }
.promo:hover .go-arr { transform: translate(2px, -2px); }

.rail-foot { margin-top: 48px; }
.socials { display: flex; gap: 18px; }
.socials a { color: var(--text-dim); display: inline-flex; }
.socials a:hover { color: var(--head); transform: translateY(-2px); transition: 0.15s; }
.socials svg { width: 22px; height: 22px; }

/* right column */
.content { padding-top: 64px; padding-bottom: 80px; }
@media (min-width: 1024px) { .content { width: 56%; padding-top: 96px; } }
.sec { margin-bottom: 96px; scroll-margin-top: 24px; }
.sec-h { font-size: 0.72rem; font-family: var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--head); font-weight: 700; margin: 0 0 24px; }
@media (min-width: 1024px) { .sec-h { display: none; } }

.prose p { margin: 0 0 16px; }
.prose a { color: var(--accent); font-weight: 500; }
.prose a:hover { text-decoration: underline; }

/* experience + projects: hover-lit rows, no cards */
.row { display: grid; grid-template-columns: 130px 1fr; gap: 8px 24px; padding: 20px; margin: 0 -20px; border-radius: 10px; border: 1px solid transparent; transition: background 0.18s, border-color 0.18s; }
.row:hover { background: var(--bg-soft); border-color: var(--line); }
.row .when { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); padding-top: 4px; }
@media (max-width: 640px) { .row { grid-template-columns: 1fr; } }
.row h3 { margin: 0; font-size: 1.02rem; color: var(--head); font-weight: 600; }
.row h3 .at { color: var(--text); font-weight: 500; }
.row h3 a:hover, a.title-link:hover h3 { color: var(--accent); }
.row p { margin: 8px 0 0; font-size: 0.95rem; }
.arrow-link { color: var(--accent); font-weight: 500; font-size: 0.9rem; display: inline-block; margin-top: 10px; }
.arrow-link:hover { text-decoration: underline; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; list-style: none; padding: 0; }
.tags li { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); background: var(--tag-bg); padding: 4px 11px; border-radius: 999px; }

.foot { font-size: 0.84rem; color: var(--text-dim); max-width: 520px; }
.foot a { color: var(--text); }
.foot a:hover { color: var(--accent); }

@keyframes riseIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.reveal { animation: riseIn 0.55s ease both; }
@media (prefers-reduced-motion: reduce) { .reveal { animation: none; } html { scroll-behavior: auto; } }