:root {
  --bg: #F7F6F2;
  --ink: #16181D;
  --body: #33363D;
  --muted: #4B4F58;
  --border: #E2DFD6;
  --border-strong: #D6D2C6;
  --dark-bg: #16181D;
  --code-bg: #0E0F12;
  --accent: #A8251F;
  --status: #2F8F5B;

  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --gutter: clamp(20px, 6.667vw, 96px);
}

*, *::before, *::after { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); }
a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.story :focus-visible { outline-color: #EDEBE4; }

h1, h2, h3, p, figure, dl, dd, pre { margin: 0; }

.wrap { padding-inline: var(--gutter); }
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
  align-items: center;
}
.accent { color: var(--accent); }
.eyebrow { font-family: var(--mono); font-size: 14px; color: var(--muted); }
.mobile-only { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  cursor: pointer;
}
.btn-solid { background: var(--ink); color: var(--bg); border: 0; }
.btn-solid:hover { background: #2A2D35; color: var(--bg); }
.btn-outline { border: 1.5px solid var(--ink); }
.btn .prompt { font-family: var(--mono); font-weight: 400; color: #B9B5AA; }
.actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

/* Header */
.site-header {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 36px;
  border-bottom: 1px solid var(--border);
}
.logo { font-family: var(--mono); font-size: 16px; font-weight: 600; text-decoration: none; margin-right: auto; }
.nav { display: flex; gap: 36px; font-size: 15px; }
.nav a { text-decoration: none; }
.pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}
.dot { width: 8px; height: 8px; border-radius: 999px; background: var(--status); }

/* Hero */
.hero { padding-block: 88px; }
.hero-text { grid-column: span 7; display: flex; flex-direction: column; gap: 32px; }
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(42px, 5.833vw, 84px);
  line-height: 1;
  letter-spacing: -1px;
}
h1 .line { display: block; }
.accent-italic { font-style: italic; color: var(--accent); }
.intro { max-width: 600px; font-size: 21px; line-height: 1.55; color: var(--body); }

.hero-figure { grid-column: 9 / span 4; display: flex; flex-direction: column; gap: 14px; }
.plan-a {
  position: relative;
  aspect-ratio: 10 / 11;
  padding: 12px;
  border-radius: 6px;
  background: #E7E4DB;
  box-shadow: 0 18px 40px rgba(22, 24, 29, 0.14);
  transform: rotate(2deg);
  cursor: pointer;
}
.plan-a picture { display: block; height: 100%; }
.plan-a img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 3px;
  filter: grayscale(1) contrast(1.05);
  transition: filter .4s ease;
}
.plan-a.is-color img { filter: none; }
@media (hover: hover) {
  .plan-a:hover img { filter: none; }
}
@media (hover: none) {
  .hover-hint { display: none; }
}
.tag {
  position: absolute;
  left: -28px;
  bottom: 36px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 13px;
  border-radius: 4px;
  transform: rotate(-4deg);
}
figcaption { font-family: var(--mono); font-size: 13px; color: var(--muted); }

/* Story */
.story { padding-block: 104px; background: var(--dark-bg); color: #EDEBE4; }
.story .eyebrow { color: #B9B5AA; }
.story-text { grid-column: span 4; display: flex; flex-direction: column; gap: 24px; }
.story h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(40px, 4.444vw, 64px); line-height: 1; }
.story-copy { font-size: 18px; line-height: 1.6; color: #C9C5BA; }
.code {
  grid-column: 6 / span 7;
  padding: 40px;
  border-radius: 10px;
  background: var(--code-bg);
  border: 1px solid #2B2E35;
  font-family: var(--mono);
  font-size: clamp(13px, 1.25vw, 18px);
  line-height: 1.75;
  color: #EDEBE4;
  white-space: pre;
  overflow-x: auto;
}
.code code { font: inherit; }
.kw { color: #E0786F; }
.cm { color: #7D8290; }
.sym { color: #9CCB8A; }

/* Work */
.work { padding-block: 112px; display: flex; flex-direction: column; gap: 48px; }
.work-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.work-head > div { display: flex; flex-direction: column; gap: 16px; }
.work h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(44px, 5vw, 72px); line-height: 1; }
.work-lede { max-width: 420px; font-size: 17px; line-height: 1.55; color: var(--muted); }

.rows { border-top: 1px solid var(--border-strong); }
.row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border-strong);
}
.row-num { grid-column: span 1; font-family: var(--mono); font-size: 14px; color: var(--muted); }
.row-title { grid-column: span 4; display: flex; flex-direction: column; gap: 12px; }
.row h3 { font-size: 28px; font-weight: 600; }
.row-tech { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.row-desc { grid-column: span 5; font-size: 18px; line-height: 1.55; color: var(--body); }
.metric { grid-column: span 2; display: flex; flex-direction: column; gap: 4px; text-align: right; }
.metric-value { font-family: var(--serif); font-size: 44px; line-height: 1; color: var(--accent); }
.metric-label { font-size: 13px; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 36px;
  border-radius: 10px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  text-decoration: none;
}
.card-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.card-title { font-family: var(--serif); font-size: 48px; line-height: 1; }
.card-desc { font-size: 17px; line-height: 1.55; color: var(--body); }
.card-deprecated { background: #EFEDE7; border: 1px dashed #C9C5BA; }
.card-deprecated .card-title, .card-deprecated .card-desc { color: var(--muted); }
.card-deprecated s { text-decoration-thickness: 2px; }
.badge { padding: 4px 10px; border-radius: 4px; background: var(--ink); color: var(--bg); font-size: 12px; }

/* Contact */
.contact {
  padding-top: 104px;
  padding-bottom: 56px;
  display: flex;
  flex-direction: column;
  gap: 64px;
  border-top: 1px solid var(--border);
}
.contact-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; align-items: end; }
.contact-main { grid-column: span 7; display: flex; flex-direction: column; gap: 28px; }
.contact h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(48px, 6.667vw, 96px); line-height: 0.98; }
.contact h2 em { font-style: italic; }
.facts {
  grid-column: 9 / span 4;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  row-gap: 14px;
  column-gap: 16px;
  font-size: 16px;
}
.facts dt { font-family: var(--mono); font-size: 13px; color: var(--muted); padding-top: 2px; }
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

/* Tablet */
@media (max-width: 1024px) {
  .hero-text { grid-column: span 7; }
  .hero-figure { grid-column: 8 / span 5; }
  .story-text { grid-column: 1 / -1; margin-bottom: 40px; }
  .code { grid-column: 1 / -1; }
  .contact-main { grid-column: 1 / -1; }
  .facts { grid-column: 1 / -1; margin-top: 48px; }
}

/* Mobile */
@media (max-width: 720px) {
  .desktop-only { display: none; }
  .mobile-only { display: block; }

  .site-header { height: 60px; }
  .logo { font-size: 15px; }
  .nav { display: none; }
  .pill { padding: 0; border: 0; gap: 6px; font-size: 12px; }
  .dot { width: 7px; height: 7px; }

  .hero { display: flex; flex-direction: column; gap: 24px; padding-block: 36px; }
  .hero-text { gap: 24px; }
  .hero-figure { order: -1; gap: 24px; }
  h1 { line-height: 1.02; letter-spacing: -0.5px; }
  .intro { font-size: 17px; }
  .actions .btn-solid { flex: 1; justify-content: center; min-height: 52px; font-size: 16px; }

  .plan-a { aspect-ratio: 1; padding: 0; background: none; box-shadow: none; transform: none; }
  .plan-a img { border-radius: 6px; object-position: center; }
  .tag { left: 12px; bottom: 14px; padding: 8px 12px; font-size: 12px; }
  figcaption { font-size: 12px; }

  .story { padding-block: 40px; }
  .story .grid { display: flex; flex-direction: column; align-items: stretch; gap: 20px; }
  .story-text { display: contents; }
  .story .eyebrow { font-size: 12px; order: 1; }
  .story h2 { order: 2; }
  .code { order: 3; padding: 20px; border-radius: 8px; font-size: 13px; line-height: 1.7; }
  .story-copy { order: 4; font-size: 16px; }

  .work { padding-block: 64px; gap: 36px; }
  .work-head { flex-direction: column; align-items: flex-start; }
  .row { display: flex; flex-direction: column; gap: 14px; padding: 28px 0; }
  .row h3 { font-size: 24px; }
  .row-desc { font-size: 16px; }
  .metric { text-align: left; }
  .cards { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .card-title { font-size: 40px; }
  .card-desc { font-size: 16px; }

  .contact { padding-top: 64px; padding-bottom: 32px; gap: 48px; }
  .contact .actions .btn { flex: 1; justify-content: center; }
  .facts { grid-template-columns: 80px minmax(0, 1fr); margin-top: 40px; }
  .site-footer { flex-direction: column; gap: 6px; }
}