/* Merkur – site styles */
:root {
  --red: #ed3237;
  --red-dark: #c9252a;
  --red-soft: #fdecec;
  --ink: #15171c;
  --ink-2: #1d2027;
  --ink-3: #2b2f38;
  --text: #1d2128;
  --muted: #5b626e;
  --muted-light: #a9afb9;
  --line: #e3e6ea;
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 18, 24, .06), 0 8px 24px rgba(16, 18, 24, .06);
  --shadow-lg: 0 2px 4px rgba(16, 18, 24, .06), 0 20px 48px rgba(16, 18, 24, .12);
  --header-h: 72px;
  --container: 1200px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0; font-family: var(--font); font-size: 1rem; line-height: 1.65; color: var(--text);
  background: var(--bg); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.25rem); }
h3 { font-size: 1.125rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; background: var(--red); color: #fff; padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .container { padding: 0 16px; } }

.icon { width: 1.15em; height: 1.15em; flex: none; }

/* ------------------------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .85em 1.4em; border-radius: 999px; border: 2px solid transparent;
  font: 600 .975rem/1.2 var(--font); text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn .icon { width: 1.1em; height: 1.1em; transition: transform .2s; }
.btn:hover .icon:last-child { transform: translateX(3px); }
.btn-sm { padding: .6em 1.1em; font-size: .9rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 6px 18px rgba(237, 50, 55, .28); }
.btn-primary:hover { background: var(--red-dark); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-outline { border-color: var(--line); color: var(--text); background: #fff; }
.btn-outline:hover { border-color: var(--text); }
.btn-ghost-light { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.btn[disabled] { opacity: .6; cursor: progress; }

.text-link { display: inline-flex; align-items: center; gap: .4em; color: var(--red); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 3px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6em; margin: 0 0 .9rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--red);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }
.eyebrow-light { color: #ff7b7f; }

/* ------------------------------------------------------------------ header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand img { height: 46px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.nav-list { list-style: none; display: flex; align-items: center; gap: 4px; }
.nav-list > li { position: relative; display: flex; align-items: center; }
.nav-link {
  display: block; padding: 10px 14px; color: #d9dce1; text-decoration: none; font-weight: 500; font-size: .95rem;
  border-radius: var(--radius-sm); transition: color .2s, background-color .2s;
}
.nav-link:hover, .nav-link[aria-current="page"], .is-current > .nav-link { color: #fff; }
.nav-link[aria-current="page"], .is-current > .nav-link { box-shadow: inset 0 -2px 0 var(--red); border-radius: 0; }
.mega-toggle { background: none; border: 0; color: #d9dce1; padding: 6px; margin-left: -10px; cursor: pointer; display: flex; border-radius: 6px; }
.mega-toggle .icon { width: 16px; height: 16px; transition: transform .2s; }
.mega-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px; color: #d9dce1; text-decoration: none; font-weight: 600; font-size: .875rem;
  padding: 8px 10px; border-radius: var(--radius-sm);
}
.lang-switch:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.lang-switch .icon { width: 18px; height: 18px; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }
.nav-toggle .icon { width: 28px; height: 28px; }
.nav-toggle .icon-close { display: none; }

.mega {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translate(-30%, 6px); width: min(860px, 92vw);
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 28px;
  opacity: 0; visibility: hidden; transition: opacity .18s, transform .18s, visibility .18s;
}
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.has-mega.is-open .mega { opacity: 1; visibility: visible; transform: translate(-30%, 0); }
@media (hover: hover) and (min-width: 961px) {
  .has-mega:hover .mega, .has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: translate(-30%, 0); }
}
.mega-inner { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 28px; }
.mega-title { margin: 0 0 .7rem; font-weight: 700; font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.mega-title a { color: var(--red); text-decoration: none; }
.mega ul { list-style: none; }
.mega li a {
  display: block; padding: 6px 0; color: var(--text); text-decoration: none; font-size: .925rem; line-height: 1.4;
  transition: color .15s;
}
.mega li a:hover { color: var(--red); }

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 0 0; background: var(--ink); flex-direction: column; align-items: stretch;
    padding: 16px 16px 32px; gap: 16px; overflow-y: auto; display: none;
  }
  .nav-open .site-nav { display: flex; }
  .nav-open .nav-toggle .icon-open { display: none; }
  .nav-open .nav-toggle .icon-close { display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list > li { flex-wrap: wrap; border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .nav-link { flex: 1; padding: 16px 4px; font-size: 1.05rem; }
  .nav-link[aria-current="page"], .is-current > .nav-link { box-shadow: none; color: #fff; }
  .mega-toggle { margin: 0; padding: 12px; }
  .mega {
    position: static; transform: none; width: 100%; opacity: 1; visibility: visible; display: none; transition: none;
    background: transparent; box-shadow: none; padding: 0 4px 16px;
  }
  .has-mega.is-open .mega { display: block; transform: none; }
  .mega-inner { grid-template-columns: 1fr; gap: 18px; }
  .mega li a { color: #c5cad2; padding: 7px 0; }
  .nav-actions { justify-content: space-between; padding-top: 8px; }
  body.nav-open { overflow: hidden; }
}

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative; color: #fff; background: var(--ink); overflow: hidden;
  padding: clamp(48px, 7vw, 96px) 0 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 400px at 80% 30%, rgba(237, 50, 55, .28), transparent 70%),
    radial-gradient(500px 300px at 10% 100%, rgba(237, 50, 55, .10), transparent 70%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { margin-bottom: .45em; }
.hero .lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: #c4c9d1; max-width: 36em; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-media { position: relative; }
.hero-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius);
  box-shadow: 0 30px 60px rgba(0, 0, 0, .45); filter: saturate(.9) contrast(1.05);
}
.hero-media::after {
  content: ""; position: absolute; inset: auto -14px -14px auto; width: 45%; height: 45%;
  border: 2px solid var(--red); border-radius: var(--radius); z-index: -1;
}
.hero-badge {
  position: absolute; left: -20px; bottom: 28px; display: flex; align-items: center; gap: 12px;
  background: #fff; color: var(--text); padding: 12px 18px 12px 14px; border-radius: 12px; box-shadow: var(--shadow-lg);
  font-size: .85rem; line-height: 1.35; max-width: 260px;
}
.hero-badge .icon { width: 34px; height: 34px; color: var(--red); }
.hero-badge strong { display: block; font-size: 1rem; }

.facts {
  position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(48px, 6vw, 80px);
  border-top: 1px solid rgba(255, 255, 255, .1);
}
.fact { padding: 28px 24px 32px 0; }
.fact + .fact { padding-left: 24px; border-left: 1px solid rgba(255, 255, 255, .1); }
.fact strong { display: block; font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 800; letter-spacing: -0.02em; color: #fff; line-height: 1.1; }
.fact span { display: block; margin-top: 6px; color: var(--muted-light); font-size: .9rem; line-height: 1.4; }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { max-width: 560px; }
  .hero-badge { left: 12px; bottom: 12px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .1); }
}
@media (max-width: 480px) { .fact, .fact + .fact { padding: 20px 12px 22px 0; } .fact:nth-child(even) { padding-left: 16px; } }

/* ------------------------------------------------------------------ sections */
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section-tight { padding: clamp(48px, 6vw, 80px) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--ink-2); color: #fff; }
.section-head { max-width: 720px; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head p:last-child { color: var(--muted); font-size: 1.075rem; margin: 0; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-bottom: .4em; }
.section-dark .section-head p:last-child { color: var(--muted-light); }
.section-title { margin-bottom: 32px; }

/* categories */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.category-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: box-shadow .25s, transform .25s, border-color .25s;
}
.category-card:hover { box-shadow: var(--shadow-lg); border-color: transparent; transform: translateY(-3px); }
.category-img { display: block; background: #fff; padding: 24px 24px 0; }
.category-img img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; }
.category-body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; border-top: 1px solid var(--line); margin-top: 16px; }
.category-body h3 { font-size: 1.25rem; margin-bottom: .4em; }
.category-body h3 a { text-decoration: none; }
.category-body h3 a:hover { color: var(--red); }
.category-body > p { color: var(--muted); font-size: .95rem; }
.category-links { list-style: none; }
.category-links a {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 9px 0; text-decoration: none;
  font-size: .925rem; font-weight: 500; border-top: 1px dashed var(--line); transition: color .15s;
}
.category-links a .icon { width: 16px; height: 16px; color: var(--muted-light); transition: transform .15s, color .15s; }
.category-links a:hover { color: var(--red); }
.category-links a:hover .icon { color: var(--red); transform: translateX(3px); }
@media (max-width: 960px) { .category-grid { grid-template-columns: 1fr; max-width: 560px; } }

/* features */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { background: #fff; border-radius: var(--radius); padding: 28px 24px; border: 1px solid var(--line); }
.feature-icon { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--red-soft); color: var(--red); margin-bottom: 18px; }
.feature h3 { font-size: 1.05rem; }
.feature p { color: var(--muted); font-size: .95rem; margin: 0; }
@media (max-width: 1024px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }

/* technical range */
.range-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.spec-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 0; background: rgba(255, 255, 255, .08); border-radius: var(--radius); overflow: hidden; }
.spec-tile { background: var(--ink-2); padding: 22px 24px; }
.spec-tile dt { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #ff7b7f; margin-bottom: 6px; }
.spec-tile dd { margin: 0; font-weight: 600; font-size: 1.05rem; color: #fff; line-height: 1.45; }
@media (max-width: 960px) { .range-grid { grid-template-columns: 1fr; gap: 0; } }
@media (max-width: 560px) { .spec-tiles { grid-template-columns: 1fr; } }

/* process */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 22px; border-top: 2px solid var(--line); }
.step::before { content: ""; position: absolute; top: -2px; left: 0; width: 48px; height: 2px; background: var(--red); }
.step-num { display: block; font-size: .85rem; font-weight: 800; color: var(--red); margin-bottom: 10px; letter-spacing: .05em; }
.step p { color: var(--muted); font-size: .95rem; margin: 0; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* split + video */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split p { color: var(--muted); }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; } }
.video { position: relative; border-radius: var(--radius); overflow: hidden; background: #000; aspect-ratio: 16 / 9; box-shadow: var(--shadow-lg); }
.video img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-play {
  position: absolute; inset: 0; margin: auto; width: 76px; height: 76px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--red); color: #fff; display: grid; place-items: center; box-shadow: 0 0 0 10px rgba(237, 50, 55, .25);
  transition: transform .2s, box-shadow .2s;
}
.video-play .icon { width: 30px; height: 30px; margin-left: 4px; }
.video-play:hover { transform: scale(1.06); box-shadow: 0 0 0 14px rgba(237, 50, 55, .22); }

/* partners */
.partner-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.partner-grid li { display: grid; place-items: center; height: 104px; padding: 18px 26px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
.partner-grid img { max-height: 56px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .7; transition: filter .2s, opacity .2s; }
.partner-grid li:hover img { filter: none; opacity: 1; }
@media (max-width: 760px) { .partner-grid { grid-template-columns: repeat(2, 1fr); } .partner-grid li { height: 88px; } }

/* CTA band */
.cta-band { background: var(--red); color: #fff; position: relative; overflow: hidden; }
.cta-band::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 320px; height: 320px; border-radius: 50%;
  border: 40px solid rgba(255, 255, 255, .08); pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-top: 56px; padding-bottom: 56px; }
.cta-inner h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: .35em; max-width: 26em; }
.cta-inner p { margin: 0; color: rgba(255, 255, 255, .88); max-width: 38em; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: none; }
@media (max-width: 960px) { .cta-inner { flex-direction: column; align-items: flex-start; } }

/* ------------------------------------------------------------------ inner pages */
.page-hero { background: var(--ink); color: #fff; padding: 40px 0 56px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 300px at 90% 0%, rgba(237, 50, 55, .25), transparent 70%); pointer-events: none; }
.page-hero .container { position: relative; }
.page-hero h1 { margin: 18px 0 .3em; }
.page-hero .lead { color: #c4c9d1; font-size: 1.1rem; max-width: 40em; margin: 0; }
.breadcrumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; font-size: .85rem; color: var(--muted-light); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; opacity: .6; }
.breadcrumbs a { text-decoration: none; color: inherit; }
.breadcrumbs a:hover { color: #fff; text-decoration: underline; }
.breadcrumbs [aria-current] { color: #fff; }

/* products listing */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 48px; }
.chip { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; font-weight: 500; font-size: .925rem; transition: border-color .15s, color .15s; }
.chip:hover { border-color: var(--red); color: var(--red); }
.product-group + .product-group { margin-top: 72px; }
.group-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 32px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.group-head h2 { margin: 0; font-size: clamp(1.4rem, 2.2vw, 1.75rem); }
.group-head p { margin: 0; color: var(--muted); max-width: 40em; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.product-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; text-decoration: none; transition: box-shadow .25s, transform .25s, border-color .25s;
}
.product-card:hover { box-shadow: var(--shadow-lg); border-color: transparent; transform: translateY(-3px); }
.product-card-img { background: #fff; padding: 20px; border-bottom: 1px solid var(--line); }
.product-card-img img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.product-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.product-card h3 { font-size: 1.05rem; margin-bottom: .35em; }
.product-card:hover h3 { color: var(--red); }
.product-card p { color: var(--muted); font-size: .9rem; margin-bottom: 14px; }
.product-card-meta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; font-size: .85rem; font-weight: 600; color: var(--text); }
.product-card-meta .arrow { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--bg-alt); transition: background .2s, color .2s; }
.product-card-meta .icon { width: 16px; height: 16px; }
.product-card:hover .arrow { background: var(--red); color: #fff; }

/* product detail */
.product-hero { padding: 28px 0 clamp(56px, 7vw, 96px); }
.product-hero .breadcrumbs { color: var(--muted); }
.product-hero .breadcrumbs a:hover { color: var(--red); }
.product-hero .breadcrumbs [aria-current] { color: var(--text); }
.product-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 64px); margin-top: 28px; align-items: start; }
.product-gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.gallery-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gallery-grid li:first-child { grid-column: 1 / -1; }
.gallery-grid a { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px; transition: border-color .15s; cursor: zoom-in; }
.gallery-grid a:hover { border-color: var(--red); }
.gallery-grid img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.gallery-grid li:first-child a { padding: 24px; border-radius: var(--radius); }
.gallery-grid li:first-child img { aspect-ratio: 4 / 3; }
.product-info h1 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.prose p { color: #3c424c; }
.specs-title { font-size: 1.15rem; margin: 32px 0 12px; }
.spec-table { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-row { display: grid; grid-template-columns: 180px 1fr; }
.spec-row + .spec-row { border-top: 1px solid var(--line); }
.spec-row dt { background: var(--bg-alt); padding: 12px 16px; font-weight: 600; font-size: .9rem; }
.spec-row dd { margin: 0; padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.spec-row dd span { font-size: .875rem; background: #fff; border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; }
.product-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
@media (max-width: 960px) {
  .product-layout { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
}
@media (max-width: 520px) {
  .spec-row { grid-template-columns: 1fr; }
  .spec-row dt { padding: 8px 14px; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

/* lightbox */
.lightbox { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; }
.lightbox::backdrop { background: rgba(10, 11, 14, .92); }
.lightbox[open] { display: grid; place-items: center; }
.lightbox img { max-width: min(92vw, 1000px); max-height: 82vh; object-fit: contain; background: #fff; border-radius: var(--radius-sm); }
.lightbox button { position: fixed; background: rgba(255, 255, 255, .1); color: #fff; border: 0; width: 48px; height: 48px; border-radius: 50%; cursor: pointer; display: grid; place-items: center; }
.lightbox button:hover { background: rgba(255, 255, 255, .2); }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 16px; top: 50%; transform: translateY(-50%) rotate(180deg); }
.lb-next { right: 16px; top: 50%; transform: translateY(-50%); }

/* about */
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.about-block + .about-block { margin-top: 40px; }
.about-block h2 { font-size: 1.5rem; padding-left: 16px; border-left: 3px solid var(--red); }
.about-block p { color: #3c424c; }
.about-aside { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 24px; }
.facts-light { margin: 0; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.facts-light .fact { padding: 20px; border: 0; }
.facts-light .fact:nth-child(even) { border-left: 1px solid var(--line); }
.facts-light .fact:nth-child(n+3) { border-top: 1px solid var(--line); }
.facts-light .fact strong { color: var(--red); font-size: 1.6rem; }
.facts-light .fact span { color: var(--muted); }
.photo-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.photo-grid li:first-child { grid-column: span 2; grid-row: span 2; }
.photo-grid a { display: block; height: 100%; border-radius: var(--radius-sm); overflow: hidden; cursor: zoom-in; }
.photo-grid img { width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .4s; }
.photo-grid a:hover img { transform: scale(1.04); }
@media (max-width: 960px) { .about-grid { grid-template-columns: 1fr; } .about-aside { position: static; } }
@media (max-width: 600px) { .photo-grid { grid-template-columns: repeat(2, 1fr); } }

/* faq */
.faq-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: box-shadow .2s; }
.faq-item + .faq-item { margin-top: 12px; }
.faq-item[open] { box-shadow: var(--shadow); }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h2 { font-size: 1.075rem; margin: 0; letter-spacing: -0.01em; }
.faq-item summary .icon { color: var(--red); transition: transform .2s; }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-answer { padding: 0 24px 20px; color: #3c424c; }
.faq-answer ul { padding-left: 1.2em; margin-bottom: 1em; }
.faq-answer li + li { margin-top: 6px; }
.faq-answer > :last-child { margin-bottom: 0; }
.contact-card { position: sticky; top: calc(var(--header-h) + 24px); background: var(--ink); color: #fff; border-radius: var(--radius); padding: 28px; }
.contact-card h2 { font-size: 1.2rem; }
.contact-list { list-style: none; margin: 20px 0 24px; }
.contact-list a { display: flex; align-items: center; gap: 10px; padding: 8px 0; text-decoration: none; color: #d9dce1; }
.contact-list a:hover { color: #fff; }
.contact-list .icon { color: #ff7b7f; }
@media (max-width: 960px) { .faq-layout { grid-template-columns: 1fr; } .contact-card { position: static; } }

/* contact */
.contact-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 32px; align-items: start; }
.contact-direct { background: var(--ink); color: #fff; border-radius: var(--radius); padding: clamp(28px, 4vw, 44px); position: relative; overflow: hidden; }
.contact-direct::before { content: ""; position: absolute; inset: 0; background: radial-gradient(400px 260px at 100% 0%, rgba(237, 50, 55, .28), transparent 70%); pointer-events: none; }
.contact-direct > * { position: relative; }
.contact-direct h2 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); }
.contact-direct p { color: #c4c9d1; }
.direct-list { list-style: none; display: grid; gap: 10px; margin: 18px 0 30px; }
.direct-list li { display: flex; gap: 10px; align-items: flex-start; }
.direct-list .icon { color: #ff7b7f; margin-top: 3px; }
.direct-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-side { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-content: start; }
.info-card { display: flex; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.info-card h3 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.info-card p { margin: 0 0 6px; font-weight: 500; }
.info-card a { text-decoration: none; }
.info-card a:hover { color: var(--red); }
.info-card .stack { display: grid; }
.info-icon { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--red-soft); color: var(--red); flex: none; }
.map { margin-top: 40px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); height: 380px; background: var(--bg-alt); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 960px) { .contact-layout { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .contact-side { grid-template-columns: 1fr; } }

/* 404 */
.not-found { text-align: center; }
.not-found .container { max-width: 640px; }
.not-found .lead { font-size: 1.15rem; color: var(--muted); }
.not-found .hero-actions { justify-content: center; margin-top: 24px; }

/* ------------------------------------------------------------------ footer */
.site-footer { background: var(--ink); color: #c4c9d1; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 40px; padding-top: 64px; padding-bottom: 48px; }
.footer-brand img { height: 50px; width: auto; margin-bottom: 18px; }
.footer-brand p { color: var(--muted-light); max-width: 30em; }
.footer-title { color: #fff; font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
.footer-links + .footer-title { margin-top: 24px; }
.footer-links, .footer-contact, .footer-hours { list-style: none; }
.footer-links a, .footer-contact a { text-decoration: none; color: #c4c9d1; transition: color .15s; }
.footer-links a:hover, .footer-contact a:hover { color: #fff; }
.footer-links li + li, .footer-hours li + li { margin-top: 8px; }
.footer-contact li + li { margin-top: 12px; }
.footer-contact a { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .icon { color: #ff7b7f; margin-top: 4px; }
.social { display: flex; gap: 10px; }
.social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .07); color: #fff; transition: background .2s; }
.social a:hover { background: var(--red); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 24px; padding-bottom: 28px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: .85rem; color: var(--muted-light); }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: var(--muted-light); }
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
.split .section-head { margin-bottom: 20px; }
.contact-side .info-card:nth-child(n+3) { grid-column: 1 / -1; }