/* Layout: drafting sheet — text column on the left, a faint architectural drawing on the right that changes per page, title block as footer */
:root {
  --paper: #F4F6F5;
  --panel: rgba(255, 255, 255, 0.74);
  --ink: #18222A;
  --ink-soft: #3A4852;
  --muted: #627079;
  --rule: #D3DADC;
  --line: #7F95A2;
  --grid: rgba(127, 149, 162, 0.10);
  --grid-major: rgba(127, 149, 162, 0.18);
  --accent: #285A74;
  --accent-ink: #FFFFFF;
  --danger: #B4372F;

  --title: "Nova Square", "Jost", "Futura", "Century Gothic", sans-serif;
  --display: "Jost", "Futura", "Century Gothic", "Avenir Next", sans-serif;
  --body: "Public Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #11171D;
    --panel: rgba(20, 28, 36, 0.78);
    --ink: #E6ECEE;
    --ink-soft: #C3CDD2;
    --muted: #93A2AB;
    --rule: #2A3640;
    --line: #5C7687;
    --grid: rgba(92, 118, 135, 0.12);
    --grid-major: rgba(92, 118, 135, 0.22);
    --accent: #8DBAD2;
    --accent-ink: #0D141A;
    --danger: #F08A80;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #11171D;
  --panel: rgba(20, 28, 36, 0.78);
  --ink: #E6ECEE;
  --ink-soft: #C3CDD2;
  --muted: #93A2AB;
  --rule: #2A3640;
  --line: #5C7687;
  --grid: rgba(92, 118, 135, 0.12);
  --grid-major: rgba(92, 118, 135, 0.22);
  --accent: #8DBAD2;
  --accent-ink: #0D141A;
  --danger: #F08A80;
  color-scheme: dark;
}

* { box-sizing: border-box; }
img { max-width: 100%; }
[hidden] { display: none !important; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.7 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Backdrop: drafting grid + drawings ---------- */
.backdrop {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}
.dwg {
  position: absolute; right: clamp(-30px, 1vw, 40px); top: 54%;
  width: min(58vw, 800px); max-width: none; height: auto;
  transform: translateY(-50%);
  color: var(--line);
  opacity: 0; transition: opacity .7s ease;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 32%);
  mask-image: linear-gradient(to right, transparent 0%, #000 32%);
}
.dwg.is-on { opacity: .85; }
.dwg .d { fill: none; stroke: currentColor; stroke-width: 1; vector-effect: non-scaling-stroke; stroke-linecap: square; }
.dwg .heavy { stroke-width: 1.6; }
.dwg .dash { stroke-dasharray: 6 4 1 4; }
.dwg .solid { fill: currentColor; stroke: none; }
.dwg .cut { fill: var(--paper); stroke: none; }
.dwg text { font-family: var(--mono); font-size: 9.5px; letter-spacing: .08em; fill: currentColor; stroke: none; }
.dwg text.big { font-size: 11px; letter-spacing: .14em; }
.dwg .thin { opacity: .7; }
.dwg .dash2 { stroke-dasharray: 3 2; }
.dwg .hl { stroke: currentColor; stroke-width: .55; }
.dwg text.sm { font-size: 8px; letter-spacing: .1em; }

/* ---------- Shell ---------- */
.site { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }
.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 48px); }

/* Masthead: large logo + two-line name, scrolls away; the menu bar below stays put */
.masthead { border-bottom: 1px solid var(--rule); }
.masthead .wrap { padding-block: clamp(18px, 3.2vw, 34px); }
.brand {
  display: inline-flex; align-items: center; gap: .32em; text-decoration: none; min-width: 0; color: var(--ink);
  font-size: clamp(1.8rem, 7.4vw, 5.6rem);
}
/* Logo: traced from the Square One Design mark; colour follows the theme */
.logo { width: 1.86em; height: 1.86em; flex: none; color: var(--ink); display: block; }
.logo path { fill: none; stroke: currentColor; stroke-width: 38; stroke-linejoin: miter; }
.brand:hover .logo { color: var(--accent); }
.tb-brand { display: flex; align-items: center; gap: 10px; }
.tb-brand .logo { width: 50px; height: 50px; }
.wordmark {
  font-family: var(--title); font-weight: 400; font-size: 1em; line-height: 1; letter-spacing: .06em;
  text-transform: uppercase; display: grid; gap: .08em;
  -webkit-text-stroke: .05em currentColor; paint-order: stroke fill;
}
.wm-1, .wm-2 { display: block; white-space: nowrap; }
.wm-2 { color: var(--muted); }

.navbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.navbar .wrap { padding-block: 6px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  font-size: 1.08rem; font-weight: 500; text-decoration: none; color: var(--muted);
  padding: 10px 14px; transition: color .2s, box-shadow .2s;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }

main { flex: 1; padding-block: clamp(48px, 9vh, 104px) 72px; }
.page { animation: rise .55s cubic-bezier(.2,.7,.2,1) both; }
@keyframes rise { from { opacity: .35; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Type ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 22px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
h1 {
  font-family: var(--title); font-weight: 400;
  font-size: clamp(2.1rem, 5.4vw, 4.1rem); line-height: 1.1; letter-spacing: 0;
  margin: 0 0 28px; max-width: 15ch; text-wrap: balance;
}
h1 em { font-style: normal; font-weight: 400; color: var(--accent); }
h2 { font-family: var(--title); font-weight: 400; font-size: 1.5rem; line-height: 1.2; margin: 0; text-wrap: balance; }
h3 { font-family: var(--title); font-weight: 400; font-size: 1.1rem; line-height: 1.25; margin: 0; letter-spacing: .005em; text-wrap: balance; }
.prose { max-width: 38rem; display: grid; gap: 18px; }
.prose p { margin: 0; color: var(--ink-soft); }
.prose .lead { font-size: 1.2rem; line-height: 1.6; color: var(--ink); }

/* Dimension-line statement: |/—— text ——/| */
.dim { display: flex; align-items: center; gap: 16px; margin: 40px 0 0; max-width: 44rem; }
.dim-text { font-family: var(--display); font-size: clamp(1.1rem, 2.2vw, 1.35rem); font-weight: 400; color: var(--ink); text-align: center; text-wrap: balance; }
.dim-rule { flex: 1 1 40px; min-width: 24px; height: 1px; background: var(--accent); position: relative; }
.dim-rule::before, .dim-rule::after {
  content: ""; position: absolute; top: 50%; width: 1.5px; height: 12px; background: var(--accent);
  transform: translateY(-50%) rotate(45deg);
}
.dim-rule::before { left: 0; }
.dim-rule::after { right: 0; }
.dim-rule.only-left::after, .dim-rule.only-right::before { display: none; }

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; font: 500 .95rem/1 var(--body); text-decoration: none;
  border: 1px solid var(--ink); border-radius: 2px; transition: background .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-ghost { background: var(--panel); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.arrow { transition: transform .2s; }
.btn:hover .arrow, .card-link:hover .arrow, .pager a:hover .arrow { transform: translateX(4px); }

/* ---------- Home: process chain ---------- */
.process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 88px; max-width: 64rem; }
.step { position: relative; border-top: 1px solid var(--ink); padding: 22px 22px 0 0; display: grid; gap: 8px; align-content: start; }
.step::before, .step:last-child::after {
  content: ""; position: absolute; top: -6px; width: 1.5px; height: 12px; background: var(--ink); transform: rotate(45deg);
}
.step::before { left: 0; }
.step:last-child::after { right: 0; }
.step-no { font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; color: var(--accent); }
.step p { margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.55; }

.card-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 72px; max-width: 72rem; }
.card-link {
  display: grid; gap: 8px; padding: 24px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--rule); transition: border-color .2s;
}
.card-link:hover { border-color: var(--accent); }
.card-link .k { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.card-link p { margin: 0; color: var(--ink-soft); font-size: .95rem; }
.card-link .go { color: var(--accent); font-weight: 500; font-size: .92rem; display: inline-flex; gap: 8px; margin-top: 6px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; max-width: 70rem; }
.facts { background: var(--panel); border: 1px solid var(--rule); padding: 8px 24px; margin: 0; }
.fact { display: grid; gap: 2px; padding-block: 16px; border-bottom: 1px solid var(--rule); }
.fact:last-child { border-bottom: 0; }
.fact dt { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.fact dd { margin: 0; font-family: var(--display); font-size: 1.12rem; color: var(--ink); line-height: 1.35; }
.fact dd small { display: block; font-family: var(--body); font-size: .88rem; color: var(--muted); margin-top: 2px; }
.facts-title { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 16px 0 4px; }

/* ---------- Services ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
.svc { background: var(--panel); border: 1px solid var(--rule); padding: 28px 26px 30px; display: grid; gap: 12px; align-content: start; }
.svc svg { width: 38px; height: 38px; color: var(--accent); margin-bottom: 8px; }
.svc svg * { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linejoin: round; stroke-linecap: round; }
.svc p { margin: 0; color: var(--ink-soft); font-size: .97rem; line-height: 1.6; }
.svc.featured { border-color: var(--accent); }
.svc .tag { justify-self: start; font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); background: var(--accent); padding: 3px 8px; }
.svc-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }

/* ---------- Projects ---------- */
.proj-intro { max-width: 38rem; margin: 0; color: var(--ink-soft); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 20px; margin-top: 40px; }
.shot { margin: 0; background: var(--panel); border: 1px solid var(--rule); display: grid; align-content: start; min-width: 0; }
.shot-img { display: block; width: 100%; padding: 0; border: 0; background: var(--rule); cursor: zoom-in; aspect-ratio: 4 / 3; max-width: 100%; overflow: hidden; }
.shot-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.shot-img:hover img { transform: scale(1.02); }
.shot figcaption { padding: 16px 18px 18px; display: grid; gap: 4px; min-width: 0; }
.shot figcaption h3 { font-size: 1.02rem; }
.shot figcaption p { margin: 0; color: var(--muted); font-size: .93rem; line-height: 1.55; overflow-wrap: anywhere; }
.shot figcaption:empty { display: none; }
.empty { margin-top: 40px; border: 1px dashed var(--line); padding: 48px 24px; text-align: center; color: var(--muted); background: var(--panel); }
.empty strong { display: block; font-family: var(--display); font-weight: 400; font-size: 1.3rem; color: var(--ink); margin-bottom: 6px; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 30; background: rgba(10, 14, 18, .92); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; padding: calc(12px + env(safe-area-inset-top, 0px)) 16px calc(16px + env(safe-area-inset-bottom, 0px)); }
.lb-top { display: flex; justify-content: flex-end; gap: 8px; }
.lb-btn { font: 500 .9rem/1 var(--body); color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.35); padding: 10px 14px; border-radius: 2px; cursor: pointer; }
.lb-btn:hover { border-color: #fff; }
.lb-stage { display: flex; align-items: center; justify-content: center; min-height: 0; padding-block: 12px; }
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lb-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: #E6ECEE; max-width: 1100px; width: 100%; margin-inline: auto; }
.lb-cap { min-width: 0; }
.lb-cap h3 { color: #fff; }
.lb-cap p { margin: 2px 0 0; color: #B9C4CA; font-size: .92rem; }
.lb-nav { display: flex; gap: 8px; flex: none; }

/* ---------- Pager ---------- */
.pager { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 88px; padding-top: 24px; border-top: 1px solid var(--rule); }
.pager a { display: grid; gap: 2px; text-decoration: none; }
.pager a.next { text-align: right; margin-left: auto; }
.pager .k { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.pager .t { font-family: var(--title); font-size: 1.15rem; display: inline-flex; gap: 10px; align-items: center; }
.pager a:hover .t { color: var(--accent); }

/* ---------- Footer title block ---------- */
.foot { padding-block: 0 32px; }
.titleblock {
  display: grid; grid-template-columns: 2fr 1.6fr 1fr 1fr .7fr 1fr; gap: 1px;
  background: var(--ink); border: 1px solid var(--ink);
}
.tb { background: var(--paper); padding: 10px 14px; display: grid; gap: 2px; min-width: 0; }
.tb .k { font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.tb .v { font-size: .9rem; font-weight: 500; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.tb .v.brandv { font-family: var(--title); font-weight: 400; font-size: .95rem; letter-spacing: .05em; text-transform: uppercase; }
.foot-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; margin-top: 12px; font-size: .82rem; color: var(--muted); }
.foot-meta nav { display: flex; gap: 18px; }
.foot-meta a { text-decoration: none; }
.foot-meta a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .step:nth-child(2)::after { content: ""; position: absolute; top: -6px; right: 0; width: 1.5px; height: 12px; background: var(--ink); transform: rotate(45deg); }
  .about-grid { grid-template-columns: minmax(0, 1fr); }
  .card-links { grid-template-columns: minmax(0, 1fr); max-width: 40rem; }
  .titleblock { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dwg { width: 130vw; right: -38vw; top: auto; bottom: 2vh; transform: none; -webkit-mask-image: none; mask-image: none; }
  .dwg.is-on { opacity: .26; }
}
@media (max-width: 600px) {
  .svc-grid, .card-links { grid-template-columns: minmax(0, 1fr); }
  .process { grid-template-columns: minmax(0, 1fr); }
  .step { padding-right: 0; }
  .step:nth-child(2)::after { display: none; }
  .titleblock { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tb:first-child { grid-column: 1 / -1; }
  .nav a { padding: 8px 9px; font-size: 1rem; }
  .nav { gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .page { animation: none; }
  .dwg, .arrow, .btn, .nav a { transition: none; }
}