:root {
  color-scheme: light;
  --ink: #232321;
  --muted: #6f6d67;
  --paper: #f3f0e9;
  --card: #faf8f3;
  --line: rgba(35, 35, 33, 0.16);
  --accent: #9e6e64;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(158, 110, 100, 0.11), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: "Noto Serif TC", "Source Han Serif TC", "Songti TC", serif;
  line-height: 1.8;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
}

.brand-mark {
  width: 1.4rem;
  height: 1px;
  display: inline-block;
  background: var(--accent);
}

nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 0.86rem;
}

nav a:hover,
nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.hero {
  min-height: 660px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 90px 0 110px;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--accent);
  font-family: system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 850px;
  margin-bottom: 34px;
  font-size: clamp(2.6rem, 7vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.25;
}

.hero-copy {
  margin-bottom: 42px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.24rem);
}

.text-link {
  width: fit-content;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}

.letters {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 46px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.article-card {
  min-height: 320px;
  padding: 34px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  background: rgba(250, 248, 243, 0.68);
  border: 1px solid var(--line);
  transition: transform 180ms ease, border-color 180ms ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: rgba(158, 110, 100, 0.55);
}

.article-card.featured {
  grid-column: 1 / -1;
  min-height: 380px;
}

.article-meta,
.card-index {
  color: var(--accent);
  font-family: system-ui, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.article-card h3 {
  max-width: 680px;
  margin: 42px 0 18px;
  font-size: clamp(1.6rem, 3vw, 2.8rem);
  font-weight: 500;
  line-height: 1.4;
}

.article-card p:last-child {
  max-width: 600px;
  color: var(--muted);
}

.about {
  padding: 120px 0;
  display: grid;
  grid-template-columns: 0.7fr 1.5fr;
  gap: 70px;
  border-top: 1px solid var(--line);
}

.about div p {
  max-width: 660px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 1.08rem;
}

footer {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: 0.78rem;
}

footer p {
  margin: 0;
}

@media (max-width: 720px) {
  .site-header,
  main,
  footer {
    width: min(100% - 30px, 1120px);
  }

  .site-header {
    min-height: 72px;
  }

  nav {
    gap: 18px;
  }

  .hero {
    min-height: 570px;
    padding: 72px 0 86px;
  }

  h1 {
    font-size: clamp(2.5rem, 12vw, 4.4rem);
  }

  .letters {
    padding: 80px 0;
  }

  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-card.featured {
    grid-column: auto;
  }

  .article-card,
  .article-card.featured {
    min-height: 300px;
    padding: 26px;
  }

  .about {
    padding: 86px 0;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  footer {
    padding: 28px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .article-card {
    transition: none;
  }
}