:root {
  --bg-primary: #0b0c10;
  --bg-secondary: #12161c;
  --surface: rgba(11, 12, 16, 0.56);
  --surface-strong: rgba(11, 12, 16, 0.86);
  --text-main: #effffc;
  --text-muted: rgba(239, 255, 252, 0.6);
  --accent: #66fcf1;
  --accent-rgb: 102,252,241;
  --line: rgba(102,252,241,.18);
  --soft-line: rgba(255,255,255,.11);
  --shadow: 0 30px 80px rgba(0,0,0,.35);
  --font-display: "Manrope", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 22px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

body.theme-brutal {
  --bg-primary: #1a1a1a;
  --bg-secondary: #252525;
  --surface: rgba(22,22,22,.64);
  --surface-strong: rgba(22,22,22,.92);
  --text-main: #f2f0e9;
  --text-muted: rgba(242,240,233,.6);
  --accent: #d35400;
  --accent-rgb: 211,84,0;
  --line: rgba(211,84,0,.26);
  --soft-line: rgba(255,255,255,.14);
  --font-display: "Manrope", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --radius: 4px;
}

body.theme-japandi {
  --bg-primary: #f4f1ea;
  --bg-secondary: #e8e1d5;
  --surface: rgba(244,241,234,.65);
  --surface-strong: rgba(244,241,234,.94);
  --text-main: #2c2c2c;
  --text-muted: rgba(44,44,44,.62);
  --accent: #2c2c2c;
  --accent-rgb: 44,44,44;
  --line: rgba(44,44,44,.16);
  --soft-line: rgba(44,44,44,.12);
  --shadow: 0 30px 80px rgba(83,63,35,.14);
  --font-display: "Playfair Display", serif;
  --font-body: "DM Sans", sans-serif;
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-primary); }
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
  transition: background-color .8s var(--ease), color .8s var(--ease);
}
button, input, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }

#space-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .12;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

.glass {
  background: var(--surface);
  border: 1px solid var(--soft-line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.topbar {
  position: fixed;
  z-index: 30;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 36px));
  height: 66px;
  padding: 0 14px 0 18px;
  border-radius: calc(var(--radius) + 4px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  transition: background .6s var(--ease), border-radius .6s var(--ease), border-color .6s var(--ease);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: -.02em; width: max-content; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line); color: var(--accent); border-radius: 50%;
  font: 500 11px var(--font-mono);
}
.brand-name { font-size: 13px; }
.desktop-nav { display: flex; gap: 26px; color: var(--text-muted); font-size: 13px; }
.desktop-nav a { transition: color .25s; }
.desktop-nav a:hover { color: var(--text-main); }
.theme-trigger {
  justify-self: end; display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 0; cursor: pointer; padding: 10px 12px; font-size: 12px;
}
.theme-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px rgba(var(--accent-rgb),.75); }
.theme-menu {
  position: fixed; z-index: 35; right: max(18px, calc((100vw - 1180px)/2)); top: 94px;
  width: 230px; padding: 8px; border-radius: var(--radius);
  opacity: 0; transform: translateY(-8px) scale(.98); pointer-events: none;
  transition: .25s var(--ease);
}
.theme-menu.open { opacity: 1; transform: none; pointer-events: auto; }
.theme-menu button {
  width: 100%; display: flex; align-items: center; gap: 12px; border: 0; background: transparent;
  padding: 11px; border-radius: calc(var(--radius) * .7); cursor: pointer; color: var(--text-muted); text-align: left;
}
.theme-menu button:hover, .theme-menu button.active { background: rgba(var(--accent-rgb),.08); color: var(--text-main); }
.swatch { width: 28px; height: 28px; border-radius: 50%; border: 1px solid rgba(255,255,255,.16); flex: 0 0 auto; }
.swatch-brutal { background: linear-gradient(135deg,#1a1a1a 50%,#d35400 50%); }
.swatch-japandi { background: linear-gradient(135deg,#f4f1ea 50%,#2c2c2c 50%); }
.swatch-tech { background: linear-gradient(135deg,#0b0c10 50%,#66fcf1 50%); }
.theme-menu strong { font: 500 10px var(--font-mono); margin-right: 6px; color: var(--accent); }

main { position: relative; z-index: 2; }
.panel {
  min-height: 100svh;
  position: relative;
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
  padding: 140px 34px 90px;
}
.hero { display: flex; align-items: center; }
.hero-copy { max-width: 820px; position: relative; z-index: 4; }
.eyebrow, .section-kicker { font: 500 11px/1.4 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
h1,h2,h3 { margin: 0; font-family: var(--font-display); font-weight: 600; letter-spacing: -.055em; }
h1 { font-size: clamp(4rem, 8.8vw, 9rem); line-height: .88; max-width: 1050px; }
h1 span { color: transparent; -webkit-text-stroke: 1px var(--accent); text-stroke: 1px var(--accent); }
.theme-japandi h1 span { color: var(--accent); -webkit-text-stroke: 0; font-style: italic; }
.hero-lead { color: var(--text-muted); max-width: 590px; font-size: clamp(1rem,1.6vw,1.28rem); line-height: 1.6; margin: 28px 0 34px; }
.hero-actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.button {
  border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 22px; border-radius: calc(var(--radius) * .72); font-weight: 600; font-size: 14px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .5s var(--ease), color .5s var(--ease);
}
.button.primary { background: var(--accent); color: var(--bg-primary); box-shadow: 0 14px 36px rgba(var(--accent-rgb),.17); }
.button:hover { transform: translateY(-2px); }
.text-link { font-size: 14px; color: var(--text-muted); display: inline-flex; gap: 8px; align-items: center; }
.text-link span { color: var(--accent); }
.hero-meta {
  position: absolute; right: 34px; bottom: 84px; width: min(360px, 32vw); padding: 10px 18px; border-radius: var(--radius);
}
.hero-meta div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--soft-line); font-size: 12px; }
.hero-meta div:last-child { border-bottom: 0; }
.hero-meta span { color: var(--text-muted); }
.hero-meta strong { font-weight: 500; text-align: right; }
.scroll-cue { position: absolute; left: 34px; bottom: 52px; display: flex; align-items: center; gap: 12px; color: var(--text-muted); font: 500 10px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.scroll-track { width: 54px; height: 1px; background: var(--soft-line); overflow: hidden; }
.scroll-track i { display: block; width: 20px; height: 1px; background: var(--accent); animation: scrollCue 1.6s infinite var(--ease); }
@keyframes scrollCue { from{transform:translateX(-22px)} to{transform:translateX(58px)} }

.manifesto { padding-top: 170px; }
.manifesto-stack { margin-top: 50px; perspective: 1100px; }
.manifesto-line { display: flex; flex-direction: column; margin: 0 0 34px; transform-style: preserve-3d; will-change: transform; }
.manifesto-line.offset { padding-left: 18%; }
.manifesto-line span { font: 500 clamp(.72rem,1vw,.95rem) var(--font-mono); color: var(--text-muted); letter-spacing: .16em; }
.manifesto-line strong { font: 600 clamp(2.7rem,7vw,7.2rem)/.98 var(--font-display); letter-spacing: -.06em; }
.manifesto-copy { width: min(740px, 70%); margin: 60px 0 0 auto; padding: 34px; border-radius: var(--radius); }
.manifesto-copy > p { margin: 0; font-size: clamp(1rem,1.7vw,1.35rem); line-height: 1.65; color: var(--text-muted); }
.manifesto-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 34px; padding-top: 25px; border-top: 1px solid var(--soft-line); }
.manifesto-stats div { display: flex; flex-direction: column; gap: 5px; }
.manifesto-stats strong { font: 600 2rem var(--font-display); color: var(--accent); }
.manifesto-stats span { color: var(--text-muted); font-size: 11px; }

.section-head { display: flex; justify-content: space-between; gap: 60px; align-items: end; }
.section-head h2, .config-copy h2, .contact h2 { margin-top: 18px; font-size: clamp(3rem,6vw,6.4rem); line-height: .95; }
.section-head > p { width: min(380px,32vw); margin: 0 0 7px; color: var(--text-muted); line-height: 1.6; }
.project-stage {
  height: 720px; margin-top: 64px; position: relative; perspective: 1400px; transform-style: preserve-3d;
}
.project-card {
  position: absolute; width: min(410px,34vw); aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius);
  border: 1px solid var(--soft-line); box-shadow: var(--shadow); cursor: pointer; transform-style: preserve-3d;
  transition: transform .55s var(--ease), filter .55s var(--ease), border-color .4s;
}
.project-card:nth-child(1){ left: 2%; top: 90px; transform: rotateY(12deg) rotateZ(-3deg) scale(.94); z-index:2; }
.project-card:nth-child(2){ left: 28%; top: 0; transform: rotateY(-4deg) scale(1); z-index: 4; }
.project-card:nth-child(3){ right: 18%; top: 120px; transform: rotateY(-12deg) rotateZ(3deg) scale(.97); z-index: 3; }
.project-card:nth-child(4){ right: 0; top: 38px; transform: rotateY(-18deg) rotateZ(4deg) scale(.93); z-index: 2; }
.project-card:hover, .project-card:focus-visible, .project-card.is-active { transform: translateY(-18px) scale(1.035) !important; z-index: 10; border-color: var(--accent); outline: none; }
.project-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .65s var(--ease), filter .65s; }
.project-card:hover img { transform: scale(1.04); }
.project-card-overlay { position:absolute; inset:0; background: linear-gradient(to top,rgba(0,0,0,.82) 0%,rgba(0,0,0,.05) 58%); }
.project-index { position: absolute; top: 18px; left: 18px; width: 38px; height: 38px; display:grid; place-items:center; border-radius:50%; background:rgba(0,0,0,.32); border:1px solid rgba(255,255,255,.23); color:#fff; font:500 10px var(--font-mono); backdrop-filter:blur(8px); }
.project-copy { position: absolute; left: 24px; right: 24px; bottom: 23px; color: #fff; }
.project-copy p { font: 500 10px var(--font-mono); text-transform: uppercase; letter-spacing: .12em; opacity: .65; }
.project-copy h3 { font-size: clamp(2rem,3.2vw,3.4rem); letter-spacing: -.05em; }
.project-copy span { display:block; margin-top: 7px; font-size: 12px; opacity: .7; }
.mobile-hint { display:none; color:var(--text-muted); font:500 10px var(--font-mono); text-transform:uppercase; letter-spacing:.08em; margin-top:18px; }

.configurator { display: grid; grid-template-columns: .88fr 1.12fr; gap: 70px; align-items: center; }
.config-copy p { max-width: 560px; color: var(--text-muted); line-height: 1.7; font-size: 1.04rem; }
.config-copy h2 em { color: var(--accent); font-weight: inherit; }
.config-benefits { display: flex; gap: 9px; flex-wrap:wrap; margin-top: 28px; }
.config-benefits span { padding: 9px 12px; border: 1px solid var(--line); border-radius: 100px; color: var(--text-muted); font: 500 10px var(--font-mono); }
.config-viewer {
  min-height: 610px;
  position:relative;
  overflow:visible;
  background:transparent;
  border:0;
  box-shadow:none;
  isolation:isolate;
}
.config-viewer::after {
  content:"";
  position:absolute;
  left:10%; right:8%; bottom:92px; height:110px;
  background:radial-gradient(ellipse at center, rgba(0,0,0,.30) 0%, rgba(0,0,0,.13) 38%, rgba(0,0,0,0) 72%);
  filter:blur(14px);
  transform:perspective(700px) rotateX(72deg);
  transform-origin:center bottom;
  z-index:-2;
  pointer-events:none;
  opacity:.82;
}
body.theme-japandi .config-viewer::after { opacity:.28; }
.viewer-floor-shadow {
  position:absolute;
  left:16%; right:12%; bottom:112px; height:54px;
  border-radius:50%;
  background:radial-gradient(ellipse at center, rgba(0,0,0,.26), rgba(0,0,0,0) 72%);
  filter:blur(18px);
  z-index:-1;
  pointer-events:none;
}
#room-canvas { width:100%; height:610px; display:block; touch-action:none; position:relative; z-index:0; }
.viewer-label { position:absolute; left:18px; top:18px; padding:8px 11px; border-radius:100px; background:rgba(0,0,0,.36); color:#fff; font:500 10px var(--font-mono); backdrop-filter:blur(8px); }
.viewer-label span { color:#7cffb2; margin-right:6px; }
.viewer-controls { position:absolute; left:18px; right:18px; bottom:18px; padding:16px; border-radius:calc(var(--radius) * .75); background:rgba(10,10,10,.48); backdrop-filter:blur(18px); display:flex; justify-content:space-between; gap:16px; color:#fff; }
.control-group small { display:block; margin-bottom:8px; color:rgba(255,255,255,.55); font:500 9px var(--font-mono); text-transform:uppercase; letter-spacing:.1em; }
.pill-row { display:flex; gap:6px; }
.pill { border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.05); color:#fff; padding:8px 11px; border-radius:100px; cursor:pointer; font-size:11px; }
.pill.active { border-color:rgba(255,255,255,.7); background:#fff; color:#111; }
.drag-note { position:absolute; right:18px; top:19px; color:rgba(255,255,255,.62); font:500 9px var(--font-mono); text-transform:uppercase; }

.contact { min-height: 110svh; display:flex; flex-direction:column; justify-content:center; }
.vanishing-lines { position:absolute; inset:0; pointer-events:none; overflow:hidden; opacity:.35; }
.vanishing-lines::before, .vanishing-lines::after { content:""; position:absolute; left:50%; top:50%; width:160vw; height:1px; background:linear-gradient(90deg,transparent,var(--line),transparent); transform-origin:center; }
.vanishing-lines::before { transform:translate(-50%,-50%) rotate(20deg); }
.vanishing-lines::after { transform:translate(-50%,-50%) rotate(-20deg); }
.contact-shell { position:relative; z-index:2; padding:clamp(28px,5vw,70px); border-radius:var(--radius); display:grid; grid-template-columns:.85fr 1.15fr; gap:70px; }
.contact-intro p { color:var(--text-muted); line-height:1.7; max-width:500px; }
#contactForm { display:grid; grid-template-columns:1fr 1fr; gap:22px 16px; align-content:start; }
#contactForm label { display:flex; flex-direction:column; gap:8px; }
#contactForm label.full { grid-column:1/-1; }
#contactForm label > span { font:500 10px var(--font-mono); text-transform:uppercase; letter-spacing:.1em; color:var(--text-muted); }
input, textarea, select { width:100%; color:var(--text-main); background:transparent; border:0; border-bottom:1px solid var(--soft-line); border-radius:0; padding:10px 0 12px; outline:none; transition:border-color .2s; }
textarea { resize:vertical; min-height:95px; }
select option { background:var(--bg-primary); color:var(--text-main); }
input:focus, textarea:focus, select:focus { border-color:var(--accent); }
.field-error { color:#ff8e79; font-size:10px; display:none; }
label.invalid .field-error { display:block; }
label.invalid input, label.invalid textarea, label.invalid select { border-color:#ff8e79; }
.submit-button { grid-column:1/-1; justify-self:start; margin-top:10px; }
footer { margin-top:24px; display:flex; justify-content:space-between; color:var(--text-muted); font:500 9px var(--font-mono); text-transform:uppercase; letter-spacing:.08em; }

.project-modal { width:min(1000px,calc(100% - 30px)); max-height:90vh; padding:0; border:1px solid var(--soft-line); border-radius:var(--radius); overflow:hidden; color:var(--text-main); background:var(--surface-strong); box-shadow:0 40px 120px rgba(0,0,0,.5); backdrop-filter:blur(20px); }
.project-modal::backdrop { background:rgba(0,0,0,.72); backdrop-filter:blur(5px); }
.project-modal[open] { display:grid; grid-template-columns:1.1fr .9fr; animation:modalIn .35s var(--ease); }
@keyframes modalIn { from{opacity:0;transform:scale(.97) translateY(12px)} }
.modal-media { min-height:570px; }
.modal-media img { width:100%; height:100%; object-fit:cover; display:block; }
.modal-content { padding:48px 40px; overflow:auto; }
.modal-meta { font:500 10px var(--font-mono); color:var(--accent); text-transform:uppercase; letter-spacing:.12em; }
.modal-content h3 { font-size:clamp(2.8rem,5vw,5rem); }
.modal-description { color:var(--text-muted); line-height:1.7; }
.pros { display:grid; gap:10px; margin-top:30px; }
.pros span { padding:14px 0; border-top:1px solid var(--soft-line); display:flex; gap:12px; align-items:center; color:var(--text-muted); }
.pros span::before { content:"+"; color:var(--accent); }
.modal-close { position:absolute; right:16px; top:14px; z-index:3; width:38px; height:38px; border:1px solid rgba(255,255,255,.2); border-radius:50%; background:rgba(0,0,0,.35); color:#fff; cursor:pointer; font-size:22px; backdrop-filter:blur(8px); }

.success-toast { position:fixed; z-index:60; right:24px; bottom:24px; width:min(390px,calc(100% - 48px)); padding:16px 18px; border-radius:var(--radius); display:flex; align-items:center; gap:14px; transform:translateY(140%); transition:transform .45s var(--ease); }
.success-toast.show { transform:none; }
.success-toast small { color:var(--text-muted); }
.success-orbit { width:32px; height:32px; border:1px solid var(--accent); border-radius:50%; position:relative; flex:0 0 auto; }
.success-orbit::after { content:""; position:absolute; width:6px; height:6px; border-radius:50%; background:var(--accent); left:50%; top:50%; transform:translate(-50%,-50%); box-shadow:0 0 14px rgba(var(--accent-rgb),.6); }

.reveal { opacity:0; transform:translateY(20px); animation:reveal .9s .15s forwards var(--ease); }
.hero-meta.reveal { animation-delay:.35s; }
@keyframes reveal { to { opacity:1; transform:none; } }

@media (max-width: 980px) {
  .topbar { grid-template-columns:1fr auto; }
  .desktop-nav { display:none; }
  .brand-name { display:none; }
  .panel { width:min(100% - 24px,900px); padding-left:18px; padding-right:18px; }
  .hero-meta { width:300px; right:18px; }
  .section-head { align-items:start; flex-direction:column; gap:20px; }
  .section-head > p { width:min(540px,100%); }
  .project-stage { height:640px; }
  .project-card { width:39vw; }
  .configurator { grid-template-columns:1fr; gap:38px; }
  .config-viewer { min-height:560px; }
  #room-canvas { height:560px; }
  .contact-shell { grid-template-columns:1fr; gap:40px; }
}

@media (max-width: 720px) {
  body { --radius:18px; }
  #space-canvas { opacity:.64; }
  .noise { opacity:.07; }
  .topbar { top:10px; width:calc(100% - 20px); height:58px; }
  .theme-trigger span:last-child { display:none; }
  .theme-menu { right:10px; top:76px; width:220px; }
  .panel { width:100%; min-height:auto; padding:120px 18px 70px; }
  .hero { min-height:100svh; align-items:center; padding-top:100px; padding-bottom:125px; }
  h1 { font-size:clamp(3.55rem,19vw,6.5rem); }
  .hero-lead { max-width:92%; font-size:1rem; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:18px; }
  .hero-meta { left:18px; right:18px; bottom:26px; width:auto; }
  .scroll-cue { display:none; }
  .manifesto { padding-top:105px; }
  .manifesto-line.offset { padding-left:8%; }
  .manifesto-line strong { font-size:clamp(2.55rem,13vw,4.4rem); }
  .manifesto-copy { width:100%; margin-top:38px; padding:24px; }
  .manifesto-stats { grid-template-columns:1fr; gap:15px; }
  .manifesto-stats div { flex-direction:row; align-items:baseline; gap:12px; }
  .manifesto-stats strong { min-width:56px; }
  .section-head h2, .config-copy h2, .contact h2 { font-size:clamp(2.9rem,14vw,5rem); }
  .projects { padding-left:0; padding-right:0; }
  .projects .section-head, .projects .section-kicker, .projects > .mobile-hint { margin-left:18px; margin-right:18px; }
  .project-stage {
    margin-top:40px; height:auto; width:100%; display:flex; overflow-x:auto; overflow-y:hidden; gap:14px;
    padding:10px 18px 24px; scroll-snap-type:x mandatory; perspective:none; scrollbar-width:none;
  }
  .project-stage::-webkit-scrollbar { display:none; }
  .project-card, .project-card:nth-child(n) {
    position:relative; left:auto; right:auto; top:auto; flex:0 0 82vw; width:82vw; transform:none !important;
    scroll-snap-align:center; aspect-ratio:4/5;
  }
  .project-card:hover, .project-card:focus-visible, .project-card.is-active { transform:none !important; }
  .mobile-hint { display:block; }
  .configurator { padding-top:100px; }
  .config-viewer { min-height:520px; margin-left:-4px; margin-right:-4px; }
  #room-canvas { height:520px; }
  .viewer-controls { flex-direction:column; gap:12px; }
  .pill-row { overflow-x:auto; scrollbar-width:none; }
  .pill { min-width:64px; min-height:40px; }
  .drag-note { display:none; }
  .contact { min-height:100svh; }
  .contact-shell { padding:24px 20px; }
  #contactForm { grid-template-columns:1fr; }
  #contactForm label.full, .submit-button { grid-column:1; }
  input, select { min-height:46px; }
  footer { flex-direction:column; gap:7px; }
  .project-modal[open] { display:block; overflow:auto; }
  .modal-media { min-height:300px; height:42vh; }
  .modal-content { padding:28px 22px 34px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}

button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
@media(max-width:700px){.project-modal{overflow-y:auto}.modal-close{min-width:44px;min-height:44px}}
/* Tablet and small-screen content flows instead of interpenetrating. */
@media(max-width:1100px){
 .project-stage{height:auto;display:flex;overflow-x:auto;overflow-y:hidden;gap:18px;padding:16px 18px 26px;perspective:none;scroll-snap-type:x mandatory}
 .project-card,.project-card:nth-child(n){position:relative;left:auto;right:auto;top:auto;flex:0 0 min(72vw,440px);width:min(72vw,440px);transform:none!important;scroll-snap-align:center}
 .config-viewer{display:flex;flex-direction:column;min-height:0}
 #room-canvas{height:clamp(300px,48vh,500px);min-height:0;flex:none}
 .viewer-controls{position:relative;inset:auto;margin:12px;display:flex;flex-wrap:wrap;gap:18px;flex-direction:row}
 .viewer-controls>*{flex:1 1 220px;min-width:0}.pill-row{flex-wrap:wrap;overflow:visible}
 .project-modal[open]{display:flex;flex-direction:column;overflow:auto;max-height:calc(100dvh - 24px)}
 .modal-media{flex:none;height:35dvh;min-height:180px}.modal-content{overflow:visible;padding:28px}
}

/* The return control occupies its own header column. */
.topbar:has(.architecture-return){display:flex;gap:18px;align-items:center}
.topbar:has(.architecture-return) .brand{flex-shrink:0}
.topbar:has(.architecture-return) .desktop-nav{flex:1;justify-content:center}
.topbar .architecture-return{position:static;flex-shrink:0;padding:10px 14px;min-height:44px;transform:none;margin-left:auto}
.topbar .architecture-return img{display:none}
@media(max-width:1100px){.topbar:has(.architecture-return){gap:10px}.topbar:has(.architecture-return) .desktop-nav{display:none}.topbar:has(.architecture-return) .theme-trigger{margin-left:auto}}
@media(max-width:480px){.topbar:has(.architecture-return){width:calc(100% - 24px);padding:10px;gap:8px}.topbar:has(.architecture-return) .brand-name{display:none}.topbar .architecture-return{padding:8px}.topbar:has(.architecture-return) .theme-trigger{padding:8px;font-size:11px}}