/* hectorchan.com — dark, large type, no clutter */
:root {
  --bg: #0b0d12;
  --surface: #12151d;
  --surface-2: #171b25;
  --text: #eceef4;
  --muted: #9aa1b5;
  --faint: #6b7288;
  --accent: #f5a623;
  --accent-soft: rgba(245, 166, 35, 0.12);
  --line: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: clamp(1.05rem, 1.2vw + 0.9rem, 1.2rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.wrap.narrow { max-width: 720px; }

a { color: var(--text); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
.accent { color: var(--accent); }
.muted { color: var(--muted); }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background 0.25s, border-color 0.25s, backdrop-filter 0.25s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 13, 18, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { font-size: 1.6rem; font-weight: 800; text-decoration: none; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 1.75rem; }
.nav-links a {
  text-decoration: none; color: var(--muted); font-size: 1rem; font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.menu-btn {
  display: none; background: none; border: 0; cursor: pointer; padding: 8px;
}
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; }

/* ---------- hero ---------- */
.hero { padding: clamp(7rem, 16vh, 10rem) 0 clamp(4rem, 10vh, 6rem); }
.avatar {
  width: clamp(96px, 18vw, 160px); height: auto; border-radius: 28px;
  margin-bottom: 1.75rem; box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}
.kicker {
  color: var(--accent); font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; font-size: 0.95rem; margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2.6rem, 7.5vw, 4.75rem);
  line-height: 1.08; letter-spacing: -0.03em; font-weight: 800;
  margin-bottom: 1.5rem;
}
.lede { color: var(--muted); font-size: clamp(1.15rem, 2.4vw, 1.45rem); max-width: 34ch; }
.cta-row { display: flex; gap: 0.9rem; margin-top: 2.25rem; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 0.85rem 1.7rem; border-radius: 999px;
  background: var(--accent); color: #14100a; font-weight: 700;
  text-decoration: none; font-size: 1.05rem; border: 2px solid var(--accent);
  transition: transform 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-2px); color: #14100a; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------- sections ---------- */
.section { padding: clamp(4rem, 10vh, 6.5rem) 0; }
.section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.75rem); letter-spacing: -0.02em;
  margin-bottom: 1.5rem; font-weight: 800;
}
.section .lede { margin-bottom: 2rem; }

/* ---------- cards ---------- */
.card {
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem; transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: rgba(245, 166, 35, 0.4); transform: translateY(-3px); }
.card.featured { border-color: rgba(245, 166, 35, 0.35); background: linear-gradient(180deg, var(--accent-soft), var(--surface-2) 55%); }
.card-top { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tag {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  background: var(--accent); color: #14100a; border-radius: 999px; padding: 0.2rem 0.75rem;
}
.tag.dim { background: rgba(255, 255, 255, 0.08); color: var(--muted); }
.card h3 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 0.75rem; letter-spacing: -0.01em; }
.card h3 a { text-decoration: none; }
.card-desc { color: var(--muted); margin-bottom: 1.25rem; max-width: 60ch; }
.card-desc strong { color: var(--text); }
.feat { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1.5rem; margin-bottom: 1.5rem; }
.feat li { color: var(--muted); font-size: 1rem; padding-left: 1.4rem; position: relative; }
.feat li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }
.card-links { display: flex; gap: 1.5rem; }
.card-links a { font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

/* ---------- stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; margin: 2.5rem 0 3rem;
}
.stat {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem 1rem; text-align: center;
}
.stat .num {
  display: block; font-size: clamp(2rem, 5vw, 3rem); font-weight: 800;
  color: var(--accent); letter-spacing: -0.02em; font-variant-numeric: tabular-nums;
}
.stat .lbl { display: block; color: var(--muted); font-size: 0.9rem; margin-top: 0.35rem; line-height: 1.4; }

/* ---------- timeline ---------- */
.timeline { margin: 0 0 2.5rem; border-left: 2px solid var(--line); padding-left: 1.75rem; display: grid; gap: 1.75rem; }
.t-item { position: relative; }
.t-item::before {
  content: ""; position: absolute; left: calc(-1.75rem - 7px); top: 0.45em;
  width: 12px; height: 12px; border-radius: 50%; background: var(--accent);
}
.t-date { color: var(--accent); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.04em; }
.t-item p { color: var(--muted); margin-top: 0.25rem; max-width: 62ch; }
.t-item em { color: var(--text); font-style: normal; border-bottom: 1px dotted var(--faint); }

/* ---------- about ---------- */
#about p { color: var(--muted); margin-bottom: 1.25rem; max-width: 62ch; }
#about p a { color: var(--text); }

/* ---------- blog rows ---------- */
.post-row {
  display: grid; grid-template-columns: 9rem 1fr auto; gap: 1.25rem; align-items: baseline;
  padding: 1.4rem 0; border-top: 1px solid var(--line); text-decoration: none;
}
.post-row:last-of-type { border-bottom: 1px solid var(--line); }
.post-row:hover .post-title { color: var(--accent); }
.post-date { color: var(--faint); font-size: 0.95rem; white-space: nowrap; }
.post-title { font-size: clamp(1.2rem, 2.6vw, 1.5rem); font-weight: 700; letter-spacing: -0.01em; }
.post-arrow { color: var(--accent); font-size: 1.4rem; }
#blog .muted { margin-top: 1.5rem; }

/* ---------- contact ---------- */
.big-link {
  font-size: clamp(1.6rem, 5vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em;
  text-decoration: none; border-bottom: 3px solid var(--accent); padding-bottom: 4px;
  word-break: break-all;
}

/* ---------- blog post ---------- */
.post-head { padding: clamp(6rem, 14vh, 8.5rem) 0 2.5rem; }
.post-head h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); letter-spacing: -0.025em; line-height: 1.12; font-weight: 800; margin: 1rem 0; }
.post-meta { color: var(--faint); font-size: 1rem; }
.prose p { color: #c9cfdd; margin-bottom: 1.4rem; max-width: 68ch; }
.prose h3 { font-size: 1.5rem; margin: 2.5rem 0 1rem; letter-spacing: -0.01em; }
.prose strong { color: var(--text); }
.prose blockquote {
  border-left: 3px solid var(--accent); padding-left: 1.25rem; margin: 2rem 0;
  color: var(--muted); font-style: italic;
}
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
.back-link { display: inline-block; margin-bottom: 2rem; color: var(--muted); text-decoration: none; }
.back-link:hover { color: var(--accent); }

/* ---------- footer ---------- */
footer { padding: 2.5rem 0 3rem; color: var(--faint); font-size: 0.95rem; border-top: 1px solid var(--line); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .feat { grid-template-columns: 1fr; }
  .post-row { grid-template-columns: 1fr auto; }
  .post-date { grid-column: 1 / -1; }
  .post-arrow { display: none; }
  .menu-btn { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(11, 13, 18, 0.97);
    border-bottom: 1px solid var(--line); padding: 0.5rem 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.9rem 1.5rem; font-size: 1.1rem; }
}