/* lidien.net ── quiet editorial, dual theme */
:root {
  --bg: #F8F5EF; --surface: #FBF9F4; --border: #E6DDCB;
  --ink: #1C1A17; --ink-2: #57503F; --muted: #9A8D74;
  --accent: #8C5B33; --footer-bg: #F3EEE3;
  --serif: "Noto Serif TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191713; --surface: #201D17; --border: #2E2A22;
    --ink: #ECE6DA; --ink-2: #A89F8D; --muted: #7A7263;
    --accent: #C89468; --footer-bg: #151310;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 300;
  font-size: 16px; line-height: 1.9;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }
.serif { font-family: var(--serif); }
.section-inner { max-width: 700px; margin: 0 auto; padding: 72px 24px; }
section + section .section-inner { border-top: 1px solid var(--border); }
.eyebrow {
  font-size: 12px; letter-spacing: .22em; color: var(--accent);
  font-weight: 500; margin-bottom: 20px; text-transform: uppercase;
}
h1, h2 { font-family: var(--serif); font-weight: 500; color: var(--ink); }
h2 { font-size: 26px; margin-bottom: 24px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 20px 22px;
}
.cap {
  font-size: 11px; letter-spacing: .12em; color: var(--accent);
  font-weight: 500; margin-bottom: 6px; text-transform: uppercase;
}
.small { font-size: 14px; color: var(--ink-2); }
.mutedtxt { font-size: 12px; color: var(--muted); }
.grid { display: grid; gap: 12px; }
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
/* hero */
.hero-inner { padding-top: 96px; padding-bottom: 88px; }
.hero-line { font-size: clamp(40px, 8vw, 56px); line-height: 1.35; }
.hero-sub { margin-top: 22px; font-size: 15px; color: var(--ink-2); }
/* nav */
nav {
  display: flex; justify-content: space-between; align-items: baseline;
  max-width: 700px; margin: 0 auto; padding: 28px 24px 0;
}
nav .wordmark { font-family: var(--serif); font-weight: 600; font-size: 18px; color: var(--ink); }
nav .links { display: flex; gap: 22px; font-size: 13px; letter-spacing: .06em; }
nav .links a { color: var(--ink-2); }
nav .links a:hover { color: var(--accent); }
/* talks */
.talks { margin-top: 28px; }
.talk-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 12px 2px; border-bottom: 1px solid var(--border);
  font-size: 14px; color: var(--ink);
}
.talk-row .mutedtxt { margin-left: 8px; }
.talk-row a { white-space: nowrap; font-size: 13px; letter-spacing: .04em; }
/* about */
.about-row { display: flex; gap: 28px; align-items: flex-start; }
.about-photo {
  flex: none; width: 148px; height: 186px; border-radius: 6px;
  border: 1px solid var(--border); object-fit: cover;
}
@media (max-width: 560px) { .about-row { flex-direction: column; } }
/* footer */
footer { background: var(--footer-bg); }
footer .section-inner { padding: 48px 24px 40px; border-top: 1px solid var(--border); }
/* writing */
.writing-article { padding-top: 56px; }
.writing-article h1 {
  font-size: 40px; line-height: 1.5; margin-bottom: 36px;
}
.writing-article p {
  font-size: 16px; color: var(--ink-2); line-height: 2.05; margin-bottom: 22px;
}
.writing-article h2 {
  font-size: 24px; margin: 44px 0 18px;
}
.writing-article blockquote {
  border-left: 3px solid var(--accent); padding-left: 18px;
  color: var(--ink); margin: 26px 0;
}
.writing-article .card p { margin-bottom: 0; }