:root {
  color-scheme: light;
  --ink: #191815;
  --muted: #706d66;
  --line: #ddd7ca;
  --paper: #f8f5ee;
  --paper-deep: #ede4d5;
  --leaf: #315d4a;
  --rust: #9e4e2f;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(49, 93, 74, 0.08), transparent 34%),
    linear-gradient(315deg, rgba(158, 78, 47, 0.09), transparent 42%),
    var(--paper);
  font-family: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px 34px;
}

.brand,
.domain-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  text-decoration: none;
}

.brand {
  gap: 10px;
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  width: 10px;
  height: 10px;
  background: var(--ink);
  border-radius: 999px;
  box-shadow: 9px 0 0 var(--leaf), 18px 0 0 var(--rust);
}

.domain-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.domain-link:hover,
.text-link:hover {
  color: var(--rust);
}

main {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 46px;
  align-items: center;
  min-height: 88vh;
  padding: 112px 7vw 34px;
}

.hero-copy {
  max-width: 610px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p,
figure {
  margin: 0;
}

h1 {
  font-family: "Noto Serif SC", serif;
  font-size: clamp(52px, 7.3vw, 92px);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0;
  white-space: nowrap;
}

.intro {
  max-width: 500px;
  margin-top: 28px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 40px;
}

.primary-link,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
}

.primary-link {
  padding: 0 22px;
  color: #fffaf1;
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
}

.primary-link:hover {
  background: var(--leaf);
  border-color: var(--leaf);
}

.text-link {
  color: var(--muted);
}

.hero-visual {
  position: relative;
  align-self: end;
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  border: 1px solid rgba(25, 24, 21, 0.1);
  border-radius: 8px;
  background: var(--paper-deep);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 7vw 64px;
  border: 1px solid var(--line);
  background: var(--line);
}

.notes article {
  min-height: 170px;
  padding: 28px;
  background: rgba(248, 245, 238, 0.82);
}

.notes span {
  display: block;
  margin-bottom: 28px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 700;
}

.notes h2 {
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: 0;
}

.notes p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.75;
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    padding: 22px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
    padding: 48px 22px 30px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-visual {
    aspect-ratio: 4 / 3;
  }

  .notes {
    grid-template-columns: 1fr;
    margin: 0 22px 34px;
  }
}

@media (max-width: 520px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .hero {
    padding-top: 34px;
  }

  h1 {
    font-size: 46px;
  }

  .intro {
    margin-top: 22px;
    font-size: 17px;
  }

  .primary-link,
  .text-link {
    width: 100%;
  }
}