:root {
  --bg: #0a0d12;
  --bg-elev: #11151c;
  --bg-band: #0d1117;
  --line: #1f2937;
  --line-soft: #161b22;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --text-faint: #6b7280;
  --accent: #d4a574;
  --accent-soft: rgba(212, 165, 116, 0.14);
  --data: #7dd3fc;
  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 56px);
  --radius: 14px;
  --serif: "Newsreader", "Source Serif 4", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; transition: color 160ms ease; }
a:hover { color: var(--accent); }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: #1a1410; padding: 8px 14px; border-radius: 6px;
}
.skip-link:focus { left: 16px; z-index: 1000; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 18px; padding-bottom: 18px;
  background: transparent;
  transition: background 240ms ease, border-color 240ms ease, backdrop-filter 240ms ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 13, 18, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}
.brand {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}
.brand .brand-dot { color: var(--accent); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 13px; letter-spacing: 0.02em; color: var(--text-dim);
  position: relative; padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 1px; background: var(--accent);
}
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line); color: var(--text);
  padding: 8px 12px; border-radius: 8px; cursor: pointer; font-size: 12px;
}

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover; background-position: center;
  animation: kenburns 28s ease-in-out infinite alternate;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,13,18,0.55) 0%, rgba(10,13,18,0.35) 30%, rgba(10,13,18,0.85) 78%, var(--bg) 100%),
    linear-gradient(90deg, rgba(10,13,18,0.45) 0%, rgba(10,13,18,0) 60%);
}
@keyframes kenburns {
  from { transform: scale(1.0) translate3d(0,0,0); }
  to   { transform: scale(1.08) translate3d(-1.5%, -1%, 0); }
}
.hero-content {
  position: relative; z-index: 1;
  padding: 110px 0 64px;
  width: 100%;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  margin: 0 0 22px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px; background: var(--accent);
}
h1.title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(40px, 6.4vw, 84px);
  line-height: 1.02; letter-spacing: -0.02em;
  margin: 0 0 26px;
  max-width: 18ch;
}
.lede {
  font-size: clamp(16px, 1.4vw, 19px); color: var(--text-dim);
  max-width: 60ch; margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 14px 22px; border-radius: 999px;
  background: var(--accent); color: #1a1410;
  font-weight: 600; transition: transform 180ms ease, box-shadow 180ms ease;
  border: 1px solid var(--accent);
}
.btn:hover { color: #1a1410; transform: translateY(-1px); box-shadow: 0 10px 28px -12px rgba(212,165,116,0.6); }
.btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.secondary:hover { color: var(--accent); border-color: var(--accent); }
.btn .arrow { transition: transform 200ms ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- metric strip ---------- */
.metric-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-band);
}
.metric-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.metric {
  padding: 28px var(--pad);
  border-right: 1px solid var(--line-soft);
}
.metric:last-child { border-right: none; }
.metric .num {
  font-family: var(--mono); font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -0.02em; color: var(--text);
  font-variant-numeric: tabular-nums;
  display: block;
}
.metric .num .unit { color: var(--accent); margin-left: 4px; }
.metric .label {
  display: block; margin-top: 8px;
  font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-faint);
}

/* ---------- section base ---------- */
section.band, section.split, section.bento, section.cta-band, section.timeline-band, section.gallery {
  padding: clamp(70px, 9vw, 130px) 0;
  position: relative;
}
section.alt { background: var(--bg-band); }

.section-head {
  display: flex; justify-content: space-between; align-items: end; gap: 40px;
  margin-bottom: 56px; flex-wrap: wrap;
}
.section-head .tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  margin: 0 0 14px;
}
.section-head h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.1; letter-spacing: -0.015em;
  margin: 0; max-width: 22ch;
}
.section-head p { color: var(--text-dim); max-width: 44ch; margin: 0; }

/* ---------- split section ---------- */
.split-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(36px, 5vw, 80px);
  align-items: center;
}
.split-grid .copy h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(24px, 2.6vw, 34px); margin: 0 0 18px; line-height: 1.15;
  letter-spacing: -0.01em;
}
.split-grid .copy p { color: var(--text-dim); margin: 0 0 14px; }
.split-grid .copy ul {
  list-style: none; padding: 0; margin: 22px 0 0;
  border-top: 1px solid var(--line-soft);
}
.split-grid .copy ul li {
  padding: 14px 0; border-bottom: 1px solid var(--line-soft);
  display: grid; grid-template-columns: 60px 1fr; gap: 18px;
  font-size: 14px;
}
.split-grid .copy ul li span {
  font-family: var(--mono); color: var(--accent); font-size: 12px; letter-spacing: 0.08em;
}
.split-image {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--line);
}
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.split-image::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(10,13,18,0) 50%, rgba(10,13,18,0.5) 100%);
  pointer-events: none;
}

/* ---------- bento ---------- */
.bento-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; grid-auto-rows: minmax(180px, auto);
  gap: 18px;
}
.bento {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 28px;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
  transition: border-color 200ms ease, transform 220ms ease;
}
.bento:hover { border-color: var(--accent); transform: translateY(-2px); }
.bento.span-2 { grid-column: span 2; }
.bento.row-2 { grid-row: span 2; }
.bento h3 {
  font-family: var(--serif); font-weight: 500; font-size: 22px; margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.bento p { color: var(--text-dim); font-size: 14px; margin: 0; }
.bento .ix { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-faint); text-transform: uppercase; }
.bento .stat { margin-top: 18px; display: flex; align-items: baseline; gap: 8px; }
.bento .stat .v { font-family: var(--mono); font-size: 36px; color: var(--data); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.bento .stat .u { font-family: var(--mono); font-size: 12px; color: var(--text-faint); letter-spacing: 0.08em; text-transform: uppercase; }
.bento .img-fill {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.bento .img-fill::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,13,18,0.2) 0%, rgba(10,13,18,0.95) 90%);
}
.bento.has-img > * { position: relative; z-index: 1; }

/* ---------- timeline / process ---------- */
.proc-grid {
  display: grid; grid-template-columns: 200px 1fr; gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.proc-rail { position: sticky; top: 100px; }
.proc-rail ol { list-style: none; padding: 0; margin: 0; }
.proc-rail li {
  display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: baseline;
  padding: 12px 0; cursor: pointer;
  color: var(--text-faint); transition: color 180ms ease;
  border-top: 1px solid var(--line-soft);
}
.proc-rail li:first-child { border-top: none; }
.proc-rail li:hover, .proc-rail li.active { color: var(--text); }
.proc-rail li span { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.1em; }
.proc-steps article {
  padding: 36px 0; border-bottom: 1px solid var(--line-soft);
}
.proc-steps article:first-child { padding-top: 0; }
.proc-steps article:last-child { border-bottom: none; }
.proc-steps h3 {
  font-family: var(--serif); font-size: clamp(26px, 2.8vw, 36px); font-weight: 500;
  margin: 0 0 16px; letter-spacing: -0.01em;
}
.proc-steps p { color: var(--text-dim); margin: 0 0 14px; max-width: 60ch; }
.proc-steps .row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line-soft);
}
.proc-steps .row .cell {
  font-family: var(--mono); font-size: 12px; color: var(--text-faint); letter-spacing: 0.06em;
}
.proc-steps .row .cell strong { display: block; color: var(--text); font-size: 16px; margin-top: 4px; font-family: var(--sans); letter-spacing: 0; }

/* ---------- gallery ---------- */
.gallery-stack { display: grid; gap: 30px; }
.gallery-plate {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: stretch;
  border-top: 1px solid var(--line-soft); padding-top: 30px;
}
.gallery-plate.flip { grid-template-columns: 1fr 1.3fr; }
.gallery-plate.flip .plate-img { order: 2; }
.gallery-plate.flip .plate-meta { order: 1; }
.plate-img {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  min-height: 460px;
}
.plate-img img { width: 100%; height: 100%; object-fit: cover; }
.plate-meta {
  display: flex; flex-direction: column; justify-content: center;
  padding: 8px 0;
}
.plate-meta .ix { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
.plate-meta h3 { font-family: var(--serif); font-size: clamp(24px, 2.6vw, 34px); font-weight: 500; margin: 0 0 14px; letter-spacing: -0.01em; }
.plate-meta p { color: var(--text-dim); margin: 0 0 18px; }
.plate-meta dl {
  display: grid; grid-template-columns: 110px 1fr; gap: 10px 16px;
  margin: 0; padding-top: 18px; border-top: 1px solid var(--line-soft);
  font-size: 13px;
}
.plate-meta dt { color: var(--text-faint); font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.plate-meta dd { margin: 0; color: var(--text); }

/* ---------- service / app cards ---------- */
.card-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color 200ms ease, transform 220ms ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .ix { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--accent); text-transform: uppercase; }
.card h3 { font-family: var(--serif); font-size: 22px; font-weight: 500; margin: 0; letter-spacing: -0.005em; }
.card p { color: var(--text-dim); margin: 0; font-size: 14px; flex: 1; }
.card ul { list-style: none; padding: 0; margin: 8px 0 0; font-size: 13px; color: var(--text-dim); }
.card ul li { padding: 6px 0; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; }
.card ul li:first-child { border-top: none; }
.card ul li span { color: var(--data); font-family: var(--mono); font-size: 12px; }

.card-large {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 36px;
  display: grid; grid-template-columns: 1fr 200px; gap: 24px; align-items: start;
  transition: border-color 200ms ease;
}
.card-large:hover { border-color: var(--accent); }
.card-large h3 { font-family: var(--serif); font-size: clamp(22px, 2.2vw, 28px); font-weight: 500; margin: 0 0 14px; letter-spacing: -0.01em; }
.card-large p { color: var(--text-dim); margin: 0 0 12px; }
.card-large .stat-block { text-align: right; border-left: 1px solid var(--line-soft); padding-left: 24px; }
.card-large .stat-block .v { font-family: var(--mono); font-size: clamp(28px, 3vw, 40px); color: var(--data); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; display: block; }
.card-large .stat-block .u { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.1em; text-transform: uppercase; display: block; margin-top: 6px; }
.card-large .stat-block .note { font-size: 12px; color: var(--text-faint); margin-top: 10px; }

/* ---------- page header banner ---------- */
.page-banner {
  position: relative; min-height: 56vh;
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.page-banner-bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; }
.page-banner-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,13,18,0.35) 0%, rgba(10,13,18,0.6) 50%, var(--bg) 100%);
}
.page-banner .wrap { padding-top: 130px; padding-bottom: 56px; width: 100%; position: relative; }
.page-banner h1 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05; letter-spacing: -0.02em; margin: 14px 0 18px; max-width: 22ch;
}
.page-banner p.lede { margin: 0; }

/* ---------- about ---------- */
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fact {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; background: var(--bg-elev);
}
.fact .label { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.12em; text-transform: uppercase; }
.fact .v { font-family: var(--serif); font-size: clamp(20px, 2vw, 26px); color: var(--text); margin-top: 8px; letter-spacing: -0.005em; }
.fact .v small { font-family: var(--mono); font-size: 12px; color: var(--text-dim); display: block; margin-top: 6px; letter-spacing: 0.04em; }

.timeline { border-left: 1px solid var(--line); padding-left: 28px; margin-top: 30px; }
.timeline-item { padding-bottom: 28px; position: relative; }
.timeline-item::before {
  content: ""; position: absolute; left: -33px; top: 6px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(212,165,116,0.18);
}
.timeline-item .when { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; }
.timeline-item h4 { font-family: var(--serif); font-size: 20px; font-weight: 500; margin: 6px 0 6px; letter-spacing: -0.005em; }
.timeline-item p { color: var(--text-dim); margin: 0; max-width: 60ch; }

/* ---------- contact ---------- */
.contact-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: start;
}
.contact-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px; background: var(--bg-elev);
}
.contact-card h2 { font-family: var(--serif); font-size: 26px; font-weight: 500; margin: 0 0 18px; letter-spacing: -0.005em; }
.contact-card .row { padding: 14px 0; border-top: 1px solid var(--line-soft); display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: baseline; }
.contact-card .row:first-of-type { border-top: none; }
.contact-card .row .lbl { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.12em; text-transform: uppercase; }
.contact-card .row .val { color: var(--text); }
.contact-card .row .val a { color: var(--accent); }

/* ---------- cta band ---------- */
.cta-band {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-band) 100%);
  border-top: 1px solid var(--line-soft);
  text-align: center;
}
.cta-band h2 { font-family: var(--serif); font-size: clamp(30px, 4vw, 50px); font-weight: 500; margin: 0 0 22px; letter-spacing: -0.015em; max-width: 18ch; margin-inline: auto; }
.cta-band p { color: var(--text-dim); max-width: 52ch; margin: 0 auto 28px; }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 36px;
  font-size: 13px; color: var(--text-dim);
  background: var(--bg);
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 28px;
}
.footer h5 { font-family: var(--mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.14em; text-transform: uppercase; margin: 0 0 12px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { padding: 4px 0; }
.footer .legal { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--text-faint); text-transform: uppercase; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .hero-bg { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 14px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(10,13,18,0.96); backdrop-filter: blur(14px);
    padding: 22px var(--pad); border-bottom: 1px solid var(--line-soft);
  }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .metric { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .split-grid { grid-template-columns: 1fr; }
  .split-image { aspect-ratio: 4 / 3; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento.span-2, .bento.row-2 { grid-column: auto; grid-row: auto; }
  .proc-grid { grid-template-columns: 1fr; }
  .proc-rail { position: static; }
  .gallery-plate, .gallery-plate.flip { grid-template-columns: 1fr; }
  .gallery-plate.flip .plate-img { order: 0; }
  .gallery-plate.flip .plate-meta { order: 0; }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-2 { grid-template-columns: 1fr; }
  .card-large { grid-template-columns: 1fr; }
  .card-large .stat-block { border-left: none; border-top: 1px solid var(--line-soft); padding-left: 0; padding-top: 18px; text-align: left; }
  .fact-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .card-grid-4 { grid-template-columns: 1fr; }
  .proc-steps .row { grid-template-columns: 1fr; }
  .plate-img { min-height: 320px; }
}