/* Dabtong House — site styles */

/* ---------- Tokens ---------- */
:root {
  --cream: #F5F2EA;
  --cream-deep: #ECE7D7;
  --ink: #1A1A1A;
  --ink-soft: #3A3A3A;
  --muted: #6B6B6B;
  --rule: rgba(26, 26, 26, 0.12);

  --green: #A4B79B;
  --yellow: #E5C76B;
  --orange: #D9663B;
  --lavender: #9E94C2;

  --serif: "Optima Nova", "Optima", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1100px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  --step-display: clamp(2.75rem, 6.5vw, 5.5rem);
  --step-h1: clamp(2rem, 4vw, 3rem);
  --step-h2: clamp(1.35rem, 2.2vw, 1.75rem);
  --step-body: 1.0625rem;
  --step-small: 0.875rem;
}

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Optima Nova";
  src: url("../fonts/optima-nova-light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Optima Nova";
  src: url("../fonts/optima-nova-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Optima Nova";
  src: url("../fonts/optima-nova-medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Optima Nova";
  src: url("../fonts/optima-nova-demi.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-semibold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Base ---------- */
html, body { background: var(--cream); color: var(--ink); }
body {
  font-family: var(--sans);
  font-size: var(--step-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.serif { font-family: var(--serif); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.005em; line-height: 1.15; }
h1 { font-size: var(--step-h1); }
h2 { font-size: var(--step-h2); }
h3 { font-size: 1.125rem; font-family: var(--serif); font-weight: 500; }

p { max-width: 62ch; }

a.link {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: var(--rule);
  transition: text-decoration-color 0.2s ease;
}
a.link:hover { text-decoration-color: var(--ink); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  padding-inline: var(--gutter);
  margin-inline: auto;
}

main { padding-block: clamp(3rem, 8vw, 6rem); }
section + section { margin-top: clamp(4rem, 10vw, 8rem); }

/* ---------- Header / Nav ---------- */
.site-header {
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: rgba(245, 242, 234, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  z-index: 10;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.brand img { width: auto; height: 22px; display: block; }
.site-nav ul {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  font-size: var(--step-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.site-nav a {
  position: relative;
  padding-block: 0.25rem;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(3rem, 8vw, 6rem) clamp(2rem, 6vw, 4rem);
  text-align: center;
}
.hero-mark {
  width: clamp(220px, 28vw, 320px);
  aspect-ratio: 3 / 2;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-mark img { width: 100%; height: 100%; object-fit: contain; }
.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--step-display);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 auto;
  max-width: 16ch;
  text-wrap: balance;
}
.hero-sub {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  color: var(--ink-soft);
  margin: 1.5rem auto 0;
  max-width: 52ch;
  text-wrap: pretty;
}

/* ---------- Pattern band ---------- */
.band {
  height: clamp(64px, 8vw, 120px);
  background: url("../img/pattern-1.svg") repeat-x center / auto 100%;
  background-color: var(--cream);
  border-block: 1px solid var(--rule);
}
.band--quiet { opacity: 0.85; }

/* ---------- Eyebrow ---------- */
.eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

/* ---------- Project teaser grid (Home) ---------- */
.teasers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: 2.5rem;
}
.teaser h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
.teaser p {
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.55;
  margin-bottom: 0.75rem;
}
.teaser .more {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

/* ---------- Two-column intro ---------- */
.intro {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(0, 3fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}
.intro h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.intro p { font-size: 1.0625rem; color: var(--ink-soft); margin-bottom: 1rem; }
@media (max-width: 640px) {
  .intro { grid-template-columns: 1fr; }
}

/* ---------- News block ---------- */
.news-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: 2rem;
  border-top: 1px solid var(--rule);
}
.news-item time {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.4rem;
}
.news-item h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.375rem;
  margin-bottom: 0.5rem;
}
.news-item p { color: var(--ink-soft); }
@media (max-width: 640px) {
  .news-item { grid-template-columns: 1fr; }
}

/* ---------- Projects (cards) ---------- */
.projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
  margin-top: 2.5rem;
}
.project {
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--rule);
}
.project .num {
  font-family: var(--serif);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.project h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  margin-bottom: 0.5rem;
}
.project p {
  color: var(--ink-soft);
  margin-bottom: 0;
  max-width: 60ch;
}
.project .partner {
  display: block;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.5rem;
}
.tag {
  display: inline-block;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  white-space: nowrap;
}
.tag--active { border-color: var(--green); color: #5e7c52; }
.tag--ongoing { border-color: var(--ink-soft); }
.tag--building { border-color: var(--orange); color: #a04a26; }
@media (max-width: 720px) {
  .project { grid-template-columns: 1fr; gap: 0.5rem; }
  .project .tag { justify-self: start; margin-top: 0.5rem; }
}

/* ---------- People (About) ---------- */
.people {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(1rem, 3vw, 2.5rem);
  margin-top: 2rem;
}
.person h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}
.person .role {
  font-size: 0.875rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: clamp(2rem, 5vw, 3.5rem);
  margin-top: clamp(4rem, 8vw, 6rem);
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
}
.site-footer .footmark img { width: 32px; opacity: 0.9; }
.site-footer .footmark p {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
  text-transform: uppercase;
  font-size: 0.875rem;
}
.site-footer address {
  font-style: normal;
  font-size: 0.9375rem;
  color: var(--ink-soft);
  text-align: right;
  line-height: 1.7;
}
.site-footer address a:hover { text-decoration: underline; text-decoration-color: var(--ink); }
.site-footer .fineprint {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.8125rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
@media (max-width: 640px) {
  .site-footer .container { grid-template-columns: 1fr; }
  .site-footer address { text-align: left; }
}

/* ---------- Page intro (About / Projects) ---------- */
.page-intro {
  padding-block: clamp(3rem, 7vw, 5rem) clamp(1.5rem, 3vw, 2rem);
}
.page-intro .display {
  text-align: left;
  margin-left: 0;
  max-width: 18ch;
}
.page-intro .lede {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink-soft);
  margin-top: 1.5rem;
  max-width: 50ch;
}

/* ---------- Prose ---------- */
.prose p + p { margin-top: 1.2em; }
.prose p { color: var(--ink-soft); }
.prose h2 { margin-top: 2.5rem; margin-bottom: 0.75rem; }
.prose blockquote {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.4;
  color: var(--ink);
  padding-left: 1.5rem;
  border-left: 2px solid var(--orange);
  margin-block: 2rem;
  max-width: 50ch;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero-mark img[src*="animation"] { content: url("../img/logo-vertical.svg"); }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .band { display: none; }
  body { background: #fff; color: #000; }
}