/* Brenner Keller. Multi-page. Edit :root to restyle. */
@view-transition { navigation: auto; }

:root {
  --concrete: #E9E9E6;
  --white: #F8F8F6;
  --graphite: #2B2D2F;
  --graphite-2: #45484B;
  --lake: #5E7C8A;
  --line: rgba(43,45,47,.16);
  --muted: #6E7275;

  --sans: "Host Grotesk", system-ui, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.7, 0, 0.2, 1);
  --out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --gutter: clamp(1rem, 3vw, 2.5rem);
}

[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 1.0625rem/1.55 var(--sans); color: var(--graphite); background: var(--concrete); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.035em; line-height: 1; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
p { margin: 0 0 1rem; }
.hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
:focus-visible { outline: 2px solid var(--lake); outline-offset: 3px; }
.mono { font: 400 .8rem/1.4 var(--mono); letter-spacing: .02em; }
::view-transition-old(root) { animation: .4s var(--ease) both wipeout; }
::view-transition-new(root) { animation: .6s var(--ease) both wipein; }
@keyframes wipeout { to { opacity: 0; } }
@keyframes wipein { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
[data-i18n] { transition: opacity .2s; }
.is-switching [data-i18n], .is-switching [data-dyn] { opacity: 0; }

/* Blueprint grid overlay (press G) */
.grid-overlay { position: fixed; inset: 0; z-index: 90; pointer-events: none; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); opacity: 0; transition: opacity .4s; }
.grid-overlay span { background: rgba(94,124,138,.08); border-left: 1px solid rgba(94,124,138,.35); border-right: 1px solid rgba(94,124,138,.35); }
.show-grid .grid-overlay { opacity: 1; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: center; padding: .9rem var(--gutter); background: rgba(233,233,230,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); view-transition-name: header; }
.brand { font-weight: 600; font-size: 1.05rem; text-decoration: none; letter-spacing: -0.02em; }
.site-nav { display: flex; gap: 1.75rem; font-size: .95rem; }
.site-nav a { text-decoration: none; color: var(--muted); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--graphite); }
.lang { display: flex; font: 500 .8rem var(--mono); }
.lang button { padding: .35rem .5rem; border: 0; background: none; color: var(--muted); cursor: pointer; }
.lang button[aria-pressed="true"] { color: var(--graphite); box-shadow: inset 0 -2px 0 var(--lake); }

/* ---------- Home ---------- */
.intro { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); padding: clamp(4rem, 9vw, 8rem) var(--gutter) clamp(3rem, 6vw, 5rem); }
.intro h1 { grid-column: 1 / 10; font-size: clamp(3rem, 8vw, 8rem); line-height: .92; letter-spacing: -0.05em; }
.intro p { grid-column: 8 / 13; font-size: 1.2rem; color: var(--muted); margin-top: 2rem; }
.intro .mono { grid-column: 1 / 5; align-self: end; color: var(--muted); }
.bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem var(--gutter); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.filters { display: flex; gap: .25rem; }
.filters button { padding: .45rem .8rem; border: 1px solid transparent; border-radius: 99px; background: none; font: 500 .9rem var(--sans); color: var(--muted); cursor: pointer; }
.filters button[aria-pressed="true"] { border-color: var(--graphite); color: var(--graphite); }
.projects { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); padding: var(--gutter); }
.proj { grid-column: span 6; text-decoration: none; }
.proj:nth-child(3n+1) { grid-column: span 7; }
.proj:nth-child(3n+2) { grid-column: span 5; margin-top: 8rem; }
.proj:nth-child(3n) { grid-column: 3 / span 8; }
.proj__img { position: relative; overflow: hidden; background: #d7d7d3; }
.proj__img img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform 1.4s var(--out); }
.proj:nth-child(3n) .proj__img img { aspect-ratio: 16 / 10; }
.proj:hover .proj__img img { transform: scale(1.04); }
.proj__img::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: rgba(248,248,246,.9); transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease); mix-blend-mode: difference; }
.proj:hover .proj__img::after { transform: scaleX(1); }
.proj__meta { display: grid; grid-template-columns: 1fr auto; gap: .25rem 1rem; padding-top: .9rem; }
.proj__meta h3 { font-size: 1.5rem; }
.proj__meta .mono { color: var(--muted); }
.proj.is-hidden { display: none; }

/* ---------- Project page ---------- */
.p-head { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); padding: clamp(3rem, 7vw, 6rem) var(--gutter) 2rem; }
.p-head h1 { grid-column: 1 / 9; font-size: clamp(3rem, 8vw, 7.5rem); letter-spacing: -0.05em; }
.p-head .back { grid-column: 1 / -1; color: var(--muted); text-decoration: none; }
.p-facts { grid-column: 9 / 13; align-self: end; margin: 0; }
.p-facts div { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-top: 1px solid var(--line); }
.p-facts dt { color: var(--muted); }
.p-facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.p-hero { position: relative; margin: 0 var(--gutter); overflow: hidden; }
.p-hero img { width: 100%; height: min(85vh, 60rem); object-fit: cover; transition: filter .2s linear; }
.light { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; max-width: 26rem; display: grid; gap: .4rem; padding: .9rem 1.1rem; background: rgba(248,248,246,.85); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.light label { display: flex; justify-content: space-between; }
.light input { width: 100%; accent-color: var(--lake); }
.light .ends { display: flex; justify-content: space-between; color: var(--muted); }
.p-body { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); padding: clamp(3rem, 6vw, 5rem) var(--gutter); }
.p-body p { grid-column: 5 / 12; font-size: clamp(1.3rem, 2.4vw, 2rem); line-height: 1.3; letter-spacing: -0.02em; }
.p-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); padding: 0 var(--gutter); }
.p-gallery img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.p-next { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin: clamp(4rem, 8vw, 6rem) var(--gutter) 0; padding: 2rem 0; border-top: 1px solid var(--graphite); text-decoration: none; }
.p-next b { font-size: clamp(2.2rem, 6vw, 5rem); letter-spacing: -0.05em; font-weight: 600; transition: transform .8s var(--out); }
.p-next:hover b { transform: translateX(1rem); }

/* ---------- Studio ---------- */
.studio-head { padding: clamp(4rem, 9vw, 7rem) var(--gutter) 3rem; display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }
.studio-head h1 { grid-column: 1 / 9; font-size: clamp(3rem, 7vw, 6.5rem); letter-spacing: -0.05em; }
.studio-head p { grid-column: 6 / 12; font-size: 1.25rem; color: var(--muted); margin-top: 2rem; }
.steps { list-style: none; margin: 0; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--graphite); }
.steps li { padding: 1.5rem 1.5rem 2.5rem 0; border-right: 1px solid var(--line); }
.steps li + li { padding-left: 1.5rem; }
.steps li:last-child { border-right: 0; }
.steps .mono { color: var(--lake); }
.steps h3 { font-size: 1.4rem; margin: 2.5rem 0 .6rem; }
.steps p { color: var(--muted); margin: 0; }
.awards { padding: clamp(4rem, 8vw, 6rem) var(--gutter); }
.awards table { width: 100%; border-collapse: collapse; margin-top: 2rem; }
.awards td { padding: 1rem 0; border-top: 1px solid var(--line); }
.awards td:first-child { width: 6rem; }
.awards td:last-child { text-align: right; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); padding: clamp(4rem, 9vw, 7rem) var(--gutter); }
.contact__info { grid-column: 1 / 6; }
.contact__info h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); letter-spacing: -0.05em; }
.contact__info > p { color: var(--muted); margin: 1.5rem 0 3rem; font-size: 1.15rem; }
.clock b { display: block; font: 500 clamp(3rem, 7vw, 5.5rem)/1 var(--mono); letter-spacing: -0.06em; font-variant-numeric: tabular-nums; }
.clock .mono { color: var(--muted); }
.address { margin-top: 2.5rem; }
.form { grid-column: 7 / 13; display: grid; gap: 1.5rem; }
.field { display: grid; gap: .3rem; border: 0; margin: 0; padding: 0; }
.field > span, .field legend { font: 400 .8rem var(--mono); color: var(--muted); padding: 0; }
.field input, .field select, .field textarea { width: 100%; font: 400 1.15rem var(--sans); padding: .6rem 0; border: 0; border-bottom: 1px solid var(--graphite); background: transparent; border-radius: 0; color: var(--graphite); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-width: 2px; border-color: var(--lake); }
.radios { display: flex; flex-wrap: wrap; gap: .4rem; }
.radios input { position: absolute; opacity: 0; }
.radios span { display: block; padding: .6rem 1rem; border: 1px solid var(--line); border-radius: 99px; cursor: pointer; }
.radios input:checked + span { background: var(--graphite); color: var(--white); border-color: var(--graphite); }
.radios input:focus-visible + span { outline: 2px solid var(--lake); outline-offset: 2px; }
.send { justify-self: start; display: inline-flex; align-items: center; gap: 1rem; padding: 1rem 1.5rem; border: 0; border-radius: 99px; background: var(--graphite); color: var(--white); font: 500 1rem var(--sans); cursor: pointer; transition: background-color .3s; }
.send:hover { background: var(--lake); }
.form__status { margin: 0; min-height: 1.5rem; color: var(--lake); }

/* ---------- Footer ---------- */
.site-footer { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); padding: 3rem var(--gutter) 1.5rem; margin-top: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--line); }
.site-footer .big { grid-column: 1 / -1; font-size: clamp(3rem, 12vw, 12rem); font-weight: 600; letter-spacing: -0.06em; line-height: .85; margin: 0 0 2rem; }
.site-footer .mono { grid-column: span 4; color: var(--muted); }

.js [data-reveal] { opacity: 0; transform: translateY(2rem); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity 1s var(--out), transform 1s var(--out); }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; gap: 1rem; }
  .site-nav { grid-column: 1 / -1; order: 3; }
  .intro h1, .intro p, .intro .mono, .p-head h1, .p-facts, .p-body p, .studio-head h1, .studio-head p, .contact__info, .form { grid-column: 1 / -1; }
  .proj, .proj:nth-child(3n+1), .proj:nth-child(3n+2), .proj:nth-child(3n) { grid-column: 1 / -1; margin-top: 0; }
  .p-gallery { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li { border-right: 0; padding-left: 0 !important; border-bottom: 1px solid var(--line); }
  .site-footer .mono { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* Self-drawing floor plan (home intro) */
.intro h1 { grid-column: 1 / 9; }
.plan { grid-column: 9 / 13; grid-row: 1 / span 2; width: 100%; color: var(--graphite); align-self: start; }
.plan path { stroke-dasharray: 1; stroke-dashoffset: 1; animation: draw 2.4s var(--ease) forwards; }
.plan__walls path:nth-child(2) { animation-delay: .6s; }
.plan__glass path { animation-delay: 1.4s; }
.plan__dims path { animation-delay: 1.8s; }
.plan text { font-family: var(--mono); opacity: 0; animation: fade .8s var(--out) 2.2s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }
@media (max-width: 900px) { .plan { grid-column: 1 / -1; grid-row: auto; max-width: 22rem; } }
@media (prefers-reduced-motion: reduce) { .plan path { stroke-dashoffset: 0; } .plan text { opacity: 1; } }