:root {
  --paper: #f2efe8;
  --ink: #171714;
  --muted: #6b695f;
  --line: #cbc6b9;
  --accent: #d9502a;
  --panel: rgba(255, 255, 255, 0.42);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 23, 20, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 23, 20, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  z-index: 10;
  padding: 10px 14px;
  color: white;
  background: var(--ink);
}

.skip-link:focus {
  top: 16px;
}

.site-header,
main,
footer {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 720;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--paper);
  background: var(--ink);
  font-size: 12px;
  letter-spacing: 0.06em;
}

nav {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
}

nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.65fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: end;
  min-height: 690px;
  padding: 96px 0 72px;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.section-index,
.card-number,
.project-type,
.status-label {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.17em;
}

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

h1 {
  max-width: 850px;
  margin-bottom: 30px;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(62px, 10vw, 132px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.88;
}

h1 span {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}

.lead {
  max-width: 650px;
  color: #3b3a34;
  font-size: clamp(19px, 2.1vw, 26px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 10px 20px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 680;
  text-decoration: none;
}

.button:hover,
.button:focus-visible,
.button.primary {
  color: var(--paper);
  background: var(--ink);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
}

.status-card {
  position: relative;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(8px);
}

.status-dot {
  position: absolute;
  top: 33px;
  right: 30px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4b9560;
  box-shadow: 0 0 0 5px rgba(75, 149, 96, 0.13);
}

.status-note,
.section-heading > p,
.project-meta,
footer {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 104px 0;
  border-bottom: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 80px;
}

h2 {
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: clamp(42px, 6vw, 74px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
}

.prose {
  max-width: 760px;
  font-size: clamp(18px, 2vw, 23px);
}

.section-heading {
  display: flex;
  gap: 40px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 46px;
}

.section-heading > p {
  max-width: 330px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.card {
  min-height: 300px;
  padding: 30px;
}

.card + .card {
  border-left: 1px solid var(--line);
}

.card h3,
.project h3 {
  margin-bottom: 14px;
  font-family: Georgia, "Times New Roman", "Songti SC", serif;
  font-size: 28px;
  font-weight: 500;
}

.card > p:last-child,
.project > div > p:last-child {
  color: var(--muted);
}

.project {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: end;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.project:last-child {
  border-bottom: 1px solid var(--line);
}

.project > div > p:last-child {
  max-width: 680px;
  margin-bottom: 0;
}

.project-meta {
  margin-bottom: 0;
  white-space: nowrap;
}

.contact {
  max-width: 850px;
  margin-left: 0;
  border-bottom: 0;
}

.contact > p:not(.section-index) {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 48px;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .site-header {
    min-height: 74px;
  }

  nav a:nth-child(2),
  nav a:nth-child(3) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 74px 0 54px;
  }

  h1 {
    font-size: clamp(54px, 17vw, 82px);
  }

  .split,
  .card-grid,
  .project {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .split {
    gap: 28px;
  }

  .section-heading {
    display: block;
  }

  .card-grid {
    border: 0;
  }

  .card {
    min-height: 0;
    padding: 28px 0;
    border-top: 1px solid var(--line);
  }

  .card + .card {
    border-left: 0;
  }

  .card:last-child {
    border-bottom: 1px solid var(--line);
  }

  .project-meta {
    white-space: normal;
  }

  footer {
    display: block;
  }
}

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