/* VoxelAdvance — styles */
:root {
  --bg: #05070d;
  --bg-alt: #0a0e18;
  --surface: #0f1522;
  --surface-2: #151d2e;
  --line: rgba(148, 170, 220, 0.14);
  --line-strong: rgba(148, 170, 220, 0.28);
  --text: #e8edf7;
  --text-2: #a3aec4;
  --text-3: #6f7b93;
  --brand: #2f6bff;
  --brand-2: #1d4fd8;
  --laser: #34e0ff;
  --brand-text: #7ea2ff;
  --art-bg1: #14254d;
  --art-bg2: #05070d;
  --art-grid: rgba(111, 140, 255, 0.08);
  --art-line: #7ea2ff;
  --overlay: linear-gradient(to top, rgba(3,5,10,.92), rgba(3,5,10,.6) 55%, transparent);
  --overlay-text: #ffffff;
  --overlay-accent: #7fe9ff;
  --overlay-chip: rgba(255,255,255,.12);
  --on-brand: #ffffff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Space Grotesk", var(--font);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-alt: #eceff6;
  --surface: #ffffff;
  --surface-2: #f1f4fa;
  --line: rgba(20, 35, 70, 0.1);
  --line-strong: rgba(20, 35, 70, 0.2);
  --text: #0b1220;
  --text-2: #475268;
  --text-3: #7a8499;
  --brand: #1f56e6;
  --brand-2: #1846c2;
  --laser: #0099c2;
  --brand-text: #1f56e6;
  --art-bg1: #ffffff;
  --art-bg2: #dfe6f3;
  --art-grid: rgba(31, 86, 230, 0.08);
  --art-line: #1f56e6;
  --overlay: linear-gradient(to top, rgba(255,255,255,.97), rgba(255,255,255,.82) 55%, transparent);
  --overlay-text: #0b1220;
  --overlay-accent: #0b7fa3;
  --overlay-chip: rgba(15,23,42,.07);
  --shadow: 0 18px 40px rgba(20, 35, 70, 0.12);
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f8fc;
    --bg-alt: #eceff6;
    --surface: #ffffff;
    --surface-2: #f1f4fa;
    --line: rgba(20, 35, 70, 0.1);
    --line-strong: rgba(20, 35, 70, 0.2);
    --text: #0b1220;
    --text-2: #475268;
    --text-3: #7a8499;
    --brand: #1f56e6;
    --brand-2: #1846c2;
    --laser: #0099c2;
  --brand-text: #1f56e6;
  --art-bg1: #ffffff;
  --art-bg2: #dfe6f3;
  --art-grid: rgba(31, 86, 230, 0.08);
  --art-line: #1f56e6;
  --overlay: linear-gradient(to top, rgba(255,255,255,.97), rgba(255,255,255,.82) 55%, transparent);
  --overlay-text: #0b1220;
  --overlay-accent: #0b7fa3;
  --overlay-chip: rgba(15,23,42,.07);
    --shadow: 0 18px 40px rgba(20, 35, 70, 0.12);
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--brand); color: var(--on-brand); padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

:focus-visible { outline: 2px solid var(--laser); outline-offset: 3px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 10px;
  font: 600 15px/1 var(--font); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--brand); color: var(--on-brand); box-shadow: 0 8px 24px color-mix(in srgb, var(--brand) 35%, transparent); }
.btn-primary:hover { background: var(--brand-2); transform: translateY(-1px); }
.btn-ghost { border-color: var(--line-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--text-2); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px;
  border-radius: 10px; border: 1px solid var(--line); background: transparent; color: var(--text);
  font: 600 13px/1 var(--font); cursor: pointer; transition: border-color .2s, background .2s;
}
.icon-btn:hover { border-color: var(--line-strong); background: var(--surface); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 16px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 600 19px/1 var(--display); letter-spacing: -0.01em; }
.brand img { flex: none; }
.brand b { color: var(--brand-text); font-weight: 700; }

.nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav a:not(.btn) { text-decoration: none; color: var(--text-2); font-weight: 500; font-size: 15px; transition: color .2s; }
.nav a:not(.btn):hover { color: var(--text); }
.header-tools { display: flex; gap: 8px; }

.i-moon { display: none; }
:root[data-theme="light"] .i-sun { display: none; }
:root[data-theme="light"] .i-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .i-sun { display: none; }
  :root:not([data-theme="dark"]) .i-moon { display: block; }
}

.menu-btn { display: none; }
.menu-btn span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .25s; grid-area: 1 / 1; }
.menu-btn span:first-child { transform: translateY(-4px); }
.menu-btn span:last-child { transform: translateY(4px); }
.menu-btn[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }

@media (max-width: 880px) {
  .menu-btn { display: inline-grid; }
  .header-tools { margin-left: auto; }
  .nav {
    position: fixed; inset: 68px 0 auto 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 8px 20px 20px; background: var(--bg); border-bottom: 1px solid var(--line);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav-cta { margin-top: 16px; min-height: 48px; }
}

/* ---------- Hero ---------- */
/* Hero: full-bleed point-cloud scan carousel (scan-hero.js). Always dark, in both themes. */
:root { --page-bg: var(--bg); }
.hero {
  --bg: #05070d; --surface: #0f1522; --text: #eef2fa; --text-2: #b4bfd3; --text-3: #7d89a1;
  --line: rgba(148, 170, 220, 0.16); --line-strong: rgba(220, 230, 255, 0.34);
  --brand: #2f6bff; --laser: #34e0ff; --on-brand: #fff;
  position: relative; isolation: isolate; overflow: hidden;
  min-height: min(calc(100svh - 68px), 900px);
  display: flex; align-items: center;
  padding: 72px 0 96px; background: #05070d; color: var(--text);
}
.hero-media, .hero-media canvas, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media { z-index: -3; background: radial-gradient(ellipse 55% 60% at 70% 55%, rgba(47,107,255,.16), transparent 70%), #05070d; }
.hero-grid-bg {
  position: absolute; inset: 0; z-index: -3; pointer-events: none; opacity: .55;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 60% at 70% 55%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 70% 55%, #000 10%, transparent 75%);
}
.hero-shade {
  z-index: -1; pointer-events: none;
  background:
    linear-gradient(to bottom, transparent 93%, var(--page-bg) 100%),
    linear-gradient(90deg, rgba(5,7,13,.85) 0%, rgba(5,7,13,.45) 40%, transparent 65%);
}
.hero .hero-copy { max-width: 620px; }
.hero h1 { color: #fff; text-shadow: 0 2px 30px rgba(0,0,0,.45); }
.hero .btn-ghost { background: rgba(5,7,13,.35); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
@media (max-width: 760px) {
  .hero { min-height: calc(100svh - 68px); align-items: flex-end; padding: 48px 0 56px; }
  .hero-shade { background: linear-gradient(180deg, transparent 0%, transparent 30%, rgba(5,7,13,.85) 58%, #05070d 94%, var(--page-bg) 100%); }
  .hero .hero-points { display: none; }
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 12.5px/1 var(--font); letter-spacing: .14em; text-transform: uppercase; color: var(--laser);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: currentColor; border-radius: 2px; }

h1 { font-size: clamp(40px, 7vw, 68px); font-weight: 700; }
.lead { margin-top: 22px; font-size: clamp(16.5px, 1.6vw, 18.5px); color: var(--text-2); max-width: 560px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 32px; color: var(--text-2); font-size: 14.5px; }
.hero-points li { display: inline-flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--brand); transform: rotate(45deg); }


/* ---------- Sections ---------- */
.section { padding: 80px 0; }
@media (min-width: 960px) { .section { padding: 112px 0; } }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.section-head.left { text-align: left; margin: 0; }
.section-head h2, .contact-info h2 { font-size: clamp(30px, 4.4vw, 44px); font-weight: 600; }
.section-sub { margin-top: 14px; color: var(--text-2); font-size: 17px; }

/* Services */
.services { display: grid; gap: 16px; }
@media (min-width: 860px) { .services { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.service {
  position: relative; padding: 30px 26px 28px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  transition: border-color .25s, transform .25s;
}
.service:hover { border-color: color-mix(in srgb, var(--brand) 55%, transparent); transform: translateY(-3px); }
.service-num { position: absolute; top: 24px; right: 24px; font: 500 13px/1 ui-monospace, Menlo, monospace; color: var(--text-3); }
.service-icon { width: 48px; height: 48px; fill: none; stroke: var(--brand); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 22px; }
.service-icon .laser { stroke: var(--laser); stroke-dasharray: 3 3; }
.service h3 { font-size: 22px; font-weight: 600; }
.service p { margin-top: 10px; color: var(--text-2); font-size: 15.5px; }
.service ul { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: 14.5px; }
.service li { display: flex; gap: 10px; align-items: baseline; }
.service li::before { content: "→"; color: var(--brand); font-size: 13px; }

.industries { margin-top: 48px; display: grid; gap: 16px; align-items: center; }
@media (min-width: 860px) { .industries { grid-template-columns: auto 1fr; gap: 32px; } }
.industries-label { font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--text-3); font-weight: 600; }
.industries ul { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
@media (min-width: 640px) { .industries ul { grid-template-columns: repeat(3, 1fr); } }
.industries li { background: var(--bg); padding: 18px 20px; display: grid; gap: 2px; }
.industries b { font: 600 16px/1.3 var(--display); }
.industries span { font-size: 13.5px; color: var(--text-2); }

/* ---------- Portfolio ---------- */
.filters { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.chip {
  min-height: 40px; padding: 0 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-strong); background: transparent; color: var(--text-2);
  font: 500 14px/1 var(--font); transition: all .2s;
}
.chip:hover { color: var(--text); border-color: var(--text-3); }
.chip[aria-pressed="true"] { background: var(--text); border-color: var(--text); color: var(--bg); }

.portfolio { display: grid; gap: 16px; grid-template-columns: 1fr; grid-auto-flow: dense; }
@media (min-width: 640px) { .portfolio { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .portfolio { grid-template-columns: repeat(3, 1fr); gap: 20px; } .portfolio .card.wide { grid-column: span 2; } }

.card {
  position: relative; display: block; width: 100%; padding: 0; text-align: left; cursor: pointer;
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--surface);
  color: var(--text); font: inherit; aspect-ratio: 4 / 3;
  animation: fadeUp .45s both;
}
.card.wide { aspect-ratio: auto; min-height: 280px; }
@media (max-width: 999px) { .card.wide { aspect-ratio: 4 / 3; } }
.card-media { position: absolute; inset: 0; }
.card-media img, .card-media svg { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.card:hover .card-media img, .card:hover .card-media svg { transform: scale(1.05); }
.card-body {
  position: absolute; inset: auto 0 0 0; padding: 56px 20px 18px;
  background: var(--overlay);
  color: var(--overlay-text);
}
.card-cat { font: 600 11.5px/1 var(--font); text-transform: uppercase; letter-spacing: .12em; color: var(--overlay-accent); }
.card h3 { margin-top: 8px; font-size: 19px; font-weight: 600; }
.card-tags { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.card-tags li { font-size: 12px; padding: 4px 9px; border-radius: 999px; background: var(--overlay-chip); backdrop-filter: blur(4px); }
.card-badge { position: absolute; top: 14px; left: 14px; font: 600 11px/1 var(--font); text-transform: uppercase; letter-spacing: .1em; padding: 6px 9px; border-radius: 6px; background: color-mix(in srgb, var(--bg) 75%, transparent); color: var(--text-2); border: 1px solid var(--line-strong); }
.card-ig { cursor: default; display: flex; flex-direction: column; aspect-ratio: auto; height: 620px; background: var(--surface); }
@media (min-width: 640px) { .card-ig { grid-row: span 2; height: auto; min-height: 560px; } }
.ig-head { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.ig-head > svg { flex: none; fill: none; stroke: #e1306c; stroke-width: 1.8; }
.ig-head div { display: grid; flex: 1; min-width: 0; line-height: 1.25; }
.ig-head b { font: 600 15px/1.3 var(--display); }
.ig-head span { font-size: 12.5px; color: var(--text-2); }
.ig-body { position: relative; flex: 1; display: flex; flex-direction: column; min-height: 0; }
.ig-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 32px 24px; text-align: center; text-decoration: none; color: var(--text);
  background: radial-gradient(ellipse at 50% 40%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 70%); }
.ig-empty svg { width: 56px; height: 56px; fill: none; stroke: var(--brand-text); stroke-width: 1.6; margin-bottom: 6px; }
.ig-empty b { font: 600 20px/1.3 var(--display); }
.ig-empty span { color: var(--text-2); font-size: 14.5px; max-width: 260px; }
.ig-empty em { font-style: normal; font-weight: 600; color: var(--brand-text); margin-top: 6px; }
.ig-empty:hover em { text-decoration: underline; }
.ig-skeleton { flex: 1; background: linear-gradient(100deg, var(--surface) 30%, var(--surface-2) 50%, var(--surface) 70%) 0 0 / 200% 100%; animation: shimmer 1.4s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.ig-track { flex: 1; display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; min-height: 0; }
.ig-track::-webkit-scrollbar { display: none; }
.ig-slide { flex: 0 0 100%; scroll-snap-align: start; display: flex; flex-direction: column; text-decoration: none; color: var(--text); min-height: 0; }
.ig-media { position: relative; flex: 1; min-height: 220px; overflow: hidden; background: var(--bg); }
.ig-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.ig-slide:hover .ig-media img { transform: scale(1.04); }
.ig-badge { position: absolute; top: 12px; right: 12px; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; background: rgba(3,5,10,.6); color: #fff; font-size: 13px; }
.ig-cap { padding: 14px 16px 34px; display: grid; gap: 6px; border-top: 1px solid var(--line); }
.ig-cap p { font-size: 14px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ig-cap time { font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.ig-nav { position: absolute; top: 40%; transform: translateY(-50%); width: 38px; height: 38px; border-radius: 999px; border: 1px solid rgba(255,255,255,.2); background: rgba(3,5,10,.55); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; backdrop-filter: blur(6px); }
.ig-nav:hover { background: var(--brand); border-color: var(--brand); }
.ig-nav.prev { left: 10px; } .ig-nav.next { right: 10px; }
.ig-dots { position: absolute; bottom: 14px; left: 0; right: 0; display: flex; justify-content: center; gap: 6px; pointer-events: none; }
.ig-dots span { width: 6px; height: 6px; border-radius: 999px; background: var(--line-strong); transition: width .25s, background .25s; }
.ig-dots span.on { width: 18px; background: var(--laser); }
.portfolio-empty { grid-column: 1 / -1; text-align: center; color: var(--text-2); padding: 40px 0; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* Lightbox */
.lightbox {
  width: min(960px, calc(100% - 32px)); max-height: calc(100% - 32px); padding: 0;
  border: 1px solid var(--line-strong); border-radius: 18px; background: var(--surface); color: var(--text);
  box-shadow: 0 40px 100px rgba(0,0,0,.6); overflow: auto;
}
.lightbox::backdrop { background: rgba(2, 4, 10, .78); backdrop-filter: blur(4px); }
.lightbox[open] { display: grid; animation: fadeUp .25s both; }
@media (min-width: 820px) { .lightbox[open] { grid-template-columns: 1.4fr 1fr; } }
.lb-media { position: relative; background: var(--bg); aspect-ratio: 4 / 3; display: flex; flex-direction: column; }
.lb-media > img, .lb-media > svg { width: 100%; height: 100%; object-fit: contain; flex: 1; min-height: 0; }
.lb-thumbs { display: flex; gap: 6px; padding: 8px; background: rgba(0,0,0,.4); overflow-x: auto; }
.lb-thumbs button { flex: none; width: 56px; height: 42px; padding: 0; border: 2px solid transparent; border-radius: 6px; overflow: hidden; cursor: pointer; background: none; }
.lb-thumbs button[aria-current="true"] { border-color: var(--laser); }
.lb-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.lb-body { padding: 28px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.lb-cat { font: 600 12px/1 var(--font); text-transform: uppercase; letter-spacing: .12em; color: var(--laser); }
.lb-body h3 { font-size: 26px; font-weight: 600; }
.lb-body > p:not(.lb-cat) { color: var(--text-2); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.tags li { font-size: 12.5px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--text-2); }
.lb-close { position: absolute; top: 12px; right: 12px; z-index: 2; background: var(--surface); }

/* ---------- Process ---------- */
.steps { display: grid; gap: 16px; counter-reset: s; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); gap: 0; } }
.steps li { position: relative; padding: 28px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
@media (min-width: 1000px) {
  .steps li { border-radius: 0; border-left-width: 0; }
  .steps li:first-child { border-left-width: 1px; border-radius: var(--radius) 0 0 var(--radius); }
  .steps li:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
}
.step-n {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px;
  background: color-mix(in srgb, var(--brand) 16%, transparent);
  font: 700 16px/1 var(--display); margin-bottom: 18px; color: var(--brand-text);
}
.steps h3 { font-size: 19px; font-weight: 600; }
.steps p { margin-top: 8px; color: var(--text-2); font-size: 15px; }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; gap: 40px; }
@media (min-width: 960px) { .faq-grid { grid-template-columns: 0.8fr 1.2fr; gap: 64px; } }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  font: 600 17px/1.4 var(--display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 10px; height: 10px;
  border-right: 2px solid var(--text-2); border-bottom: 2px solid var(--text-2);
  transform: translateY(-70%) rotate(45deg); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { padding: 0 40px 22px 0; color: var(--text-2); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 40px; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 0.85fr 1.15fr; gap: 64px; } }
.contact-list { margin-top: 28px; display: grid; gap: 14px; }
.contact-list li { display: flex; align-items: center; gap: 12px; color: var(--text-2); }
.contact-list svg { width: 22px; height: 22px; fill: none; stroke: var(--brand); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.contact-list a { color: var(--text); font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.contact-list a:hover { border-color: var(--text); }
.contact-tip { margin-top: 28px; padding: 16px 18px; border-radius: 10px; border: 1px dashed var(--line-strong); color: var(--text-2); font-size: 14.5px; }

.form { padding: 28px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); display: grid; gap: 18px; box-shadow: var(--shadow); }
@media (min-width: 768px) { .form { padding: 36px; } }
.field-row { display: grid; gap: 18px; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; font-size: 14px; font-weight: 500; }
.field em { font-style: normal; color: var(--text-3); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 10px;
  background: var(--bg); color: var(--text); border: 1px solid var(--line-strong);
  font: 400 16px/1.4 var(--font); transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 25%, transparent);
}
.field .invalid { border-color: #ef4444; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { font-size: 14.5px; min-height: 1.4em; }
.form-status.ok { color: #22c55e; }
.form-status.err { color: #ef4444; }

/* ---------- Quote ---------- */
.q-notice {
  display: flex; gap: 12px; align-items: flex-start; max-width: 760px; margin: -16px auto 28px;
  padding: 14px 18px; border-radius: 12px; font-size: 14.5px; color: var(--text);
  background: color-mix(in srgb, #f59e0b 12%, transparent); border: 1px solid color-mix(in srgb, #f59e0b 40%, transparent);
}
.q-notice svg { flex: none; width: 22px; height: 22px; fill: none; stroke: #f59e0b; stroke-width: 2; stroke-linecap: round; margin-top: 1px; }
.drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; text-align: center;
  min-height: 300px; padding: 40px 24px; border-radius: 18px; cursor: pointer;
  border: 2px dashed var(--line-strong); background: var(--surface);
  transition: border-color .2s, background .2s;
}
.drop:hover, .drop.over { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 6%, var(--surface)); }
.drop svg { width: 52px; height: 52px; fill: none; stroke: var(--brand); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 6px; }
.drop strong { font: 600 19px/1.3 var(--display); }
.drop span { color: var(--text-2); font-size: 14.5px; }
.drop .drop-note { color: var(--text-3); font-size: 13px; margin-top: 6px; }
.drop:focus-within { outline: 2px solid var(--laser); outline-offset: 3px; }
.drop[hidden] { display: none; }
.quote { display: grid; gap: 24px; }
.q-viewer.over { outline: 2px dashed var(--brand); outline-offset: -8px; }
.q-viewer.over::after { content: attr(data-drop); position: absolute; inset: 0; display: grid; place-items: center; font: 600 17px/1.3 var(--display); background: color-mix(in srgb, var(--bg) 70%, transparent); }

.q-result { display: grid; gap: 20px; }
.q-result[hidden] { display: none; }
@media (min-width: 960px) { .q-result { grid-template-columns: 1.1fr 1fr; align-items: start; } }
.q-viewer {
  position: relative; aspect-ratio: 1 / 0.85; border-radius: 18px; overflow: hidden; border: 1px solid var(--line);
  background: radial-gradient(ellipse at 50% 45%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 70%), var(--surface);
}
@media (min-width: 960px) { .q-viewer { position: sticky; top: 92px; } }
.q-viewer canvas { width: 100%; height: 100%; cursor: grab; touch-action: none; }
.q-viewer canvas:active { cursor: grabbing; }
.q-viewer-bar { position: absolute; inset: auto 12px 12px 12px; display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.q-filename { font: 500 12.5px/1.2 ui-monospace, Menlo, monospace; color: var(--text-2); padding: 7px 10px; border-radius: 6px; background: color-mix(in srgb, var(--bg) 70%, transparent); border: 1px solid var(--line); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.q-change { flex: none; min-height: 34px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); font: 500 13px/1 var(--font); cursor: pointer; }
.q-change:hover { border-color: var(--text-2); }
.q-loading { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: var(--text-2); }
.q-loading[hidden] { display: none; }

.q-panel { display: grid; gap: 18px; padding: 24px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
@media (min-width: 768px) { .q-panel { padding: 30px; } }
.q-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 0; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.q-stats div { background: var(--bg); padding: 12px 14px; }
.q-stats dt { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); font-weight: 600; }
.q-stats dd { margin: 4px 0 0; font: 600 15.5px/1.3 var(--display); }
.q-warn { padding: 12px 14px; border-radius: 10px; font-size: 14px; background: color-mix(in srgb, #f59e0b 14%, transparent); border: 1px solid color-mix(in srgb, #f59e0b 40%, transparent); }
.q-warn[hidden] { display: none; }
.q-options { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.q-options .field select:disabled { opacity: .5; }
@media (max-width: 420px) { .q-options { grid-template-columns: 1fr; } }
.q-price { display: grid; gap: 4px; padding: 18px 20px; border-radius: 12px; background: color-mix(in srgb, var(--brand) 10%, var(--bg)); border: 1px solid color-mix(in srgb, var(--brand) 35%, transparent); }
.q-price span { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); }
.q-price strong { font: 700 clamp(24px, 3.4vw, 30px)/1.15 var(--display); color: var(--text); }
.q-price small { color: var(--text-3); font-size: 13px; }
.q-send { display: grid; gap: 14px; padding-top: 18px; border-top: 1px solid var(--line); }
.q-send-title { font: 600 16.5px/1.35 var(--display); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 32px 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.footer p { color: var(--text-3); font-size: 14px; }
.footer-ig { display: inline-flex; align-items: center; gap: 8px; color: var(--text-2); text-decoration: none; font-size: 14px; }
.footer-ig:hover { color: var(--text); }
.footer-ig svg { fill: none; stroke: currentColor; stroke-width: 1.8; }
@media (min-width: 720px) { .footer-ig { margin-left: auto; margin-right: 24px; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}