:root {
  --bg: #F4F4F0;
  --surface: #EAE8E3;
  --surface-alt: #DFDDD8;
  --ink: #111111;
  --muted: #555550;
  --accent: #2563eb;
  --accent-soft: #2563eb;
  --border: rgba(17, 17, 17, 0.18);
  --hero-grad: linear-gradient(180deg, #EAE8E3 0%, #F4F4F0 100%);
  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body: 'Archivo', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius: 0px;
  --radius-lg: 0px;
  --btn-radius: 0px;
  --shadow: none;
  --nav-blur: rgba(244, 244, 240, 0.96);
  --header-h: 72px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container { width: min(1140px, 92vw); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  padding: 0.75rem 1rem; background: var(--accent); color: var(--surface);
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-blur);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .nav {
  position: relative;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); gap: 0.75rem;
}
.logo {
  display: flex; align-items: center; gap: 0.65rem; font-weight: 700; color: var(--ink);
  min-width: 0; flex: 1 1 auto; max-width: 58%;
}
.logo-mark {
  flex-shrink: 0;
  width: 2.25rem; height: 2.25rem; display: grid; place-items: center;
  background: var(--accent); color: var(--surface); font-size: 0.85rem; font-weight: 800;
  border-radius: var(--btn-radius);
}
[data-archetype="a"] .logo-mark { border-radius: 4px; font-family: var(--font-display); }
[data-archetype="b"] .logo-mark { border-radius: 6px; }
[data-archetype="c"] .logo-mark { border-radius: 0; font-family: var(--font-mono, var(--font-body)); letter-spacing: 0.05em; }
.logo-text {
  font-size: 1.05rem; letter-spacing: -0.02em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
[data-archetype="a"] .logo-text { font-family: var(--font-display); font-weight: 600; }
[data-archetype="c"] .logo-text { text-transform: uppercase; font-weight: 800; letter-spacing: 0.04em; font-size: 0.95rem; }

.nav-links {
  display: flex; align-items: center; gap: 1.1rem; list-style: none;
  flex-shrink: 0; margin-left: auto;
}
.nav-links a { font-size: 0.88rem; font-weight: 600; color: var(--muted); transition: color 0.2s; white-space: nowrap; }
.nav-links a:hover { color: var(--ink); }
[data-archetype="c"] .nav-links a { font-family: var(--font-mono, var(--font-body)); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.08em; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px;
  flex-shrink: 0; margin-left: auto;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); transition: 0.2s; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.75rem 1.35rem; font-weight: 700; font-size: 0.9rem;
  border: 1px solid transparent; cursor: pointer; transition: transform 0.15s, background 0.2s, color 0.2s;
  border-radius: var(--btn-radius);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: var(--surface); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; }

/* Hero split 60/40 */
.hero {
  padding-top: var(--header-h);
  min-height: min(100dvh, 920px);
  display: flex; align-items: center;
  background: var(--hero-grad);
}
.hero-split {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.hero-split--visual-first .hero-copy { order: 2; }
.hero-split--visual-first .hero-visual { order: 1; }

.eyebrow {
  display: inline-block; font-size: 0.68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent-soft);
  margin-bottom: 1rem;
}
[data-archetype="c"] .eyebrow { font-family: var(--font-mono, var(--font-body)); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.08; letter-spacing: -0.03em;
  color: var(--ink); margin-bottom: 1.25rem;
}
[data-archetype="c"] .hero h1 { text-transform: uppercase; font-weight: 800; letter-spacing: -0.04em; line-height: 0.95; }

.hero-lead { font-size: 1.05rem; color: var(--muted); max-width: 34rem; margin-bottom: 2rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-visual { position: relative; }
.hero-frame {
  overflow: hidden; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  aspect-ratio: 4/5;
}
[data-archetype="c"] .hero-frame { border-radius: 0; border-width: 2px; box-shadow: none; }
.hero-frame img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.88) contrast(1.02); }

.hero-meta {
  position: absolute; left: -0.5rem; bottom: 1.25rem;
  background: var(--surface); border: 1px solid var(--border);
  padding: 0.85rem 1.1rem; border-radius: var(--radius);
  box-shadow: var(--shadow);
}
[data-archetype="c"] .hero-meta { border-radius: 0; left: 0; font-family: var(--font-mono, var(--font-body)); }
.hero-meta strong { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent); line-height: 1; }
.hero-meta span { font-size: 0.75rem; color: var(--muted); margin-top: 0.25rem; display: block; }

/* Metrics strip */
.metrics {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--surface);
}
[data-archetype="c"] .metrics { border-width: 2px; }
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.metric {
  padding: 1.35rem 1rem; text-align: center;
  border-right: 1px solid var(--border);
}
.metric:last-child { border-right: none; }
[data-archetype="c"] .metric { font-family: var(--font-mono, var(--font-body)); padding: 1.5rem 1rem; }
.metric-value { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
[data-archetype="a"] .metric-value { font-family: var(--font-display); }
.metric-label { display: block; margin-top: 0.3rem; font-size: 0.78rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* Sections */
.section { padding: clamp(4rem, 8vw, 6rem) 0; }
.section-alt { background: var(--surface-alt); }
.section-head { max-width: 38rem; margin-bottom: 2.5rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.025em; margin-bottom: 0.75rem; color: var(--ink);
}
[data-archetype="c"] .section-head h2 { text-transform: uppercase; font-weight: 800; }
.section-head p { color: var(--muted); font-size: 1.02rem; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.about-grid p { color: var(--muted); font-size: 1.05rem; line-height: 1.8; }

.about-mosaic {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: 1fr 1fr; gap: 0.75rem; min-height: 320px;
}
.about-mosaic-item {
  position: relative; overflow: hidden;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.about-mosaic-item--main { grid-row: span 2; }
[data-archetype="c"] .about-mosaic-item { border-radius: 0; border-width: 2px; }
.about-mosaic-item img { width: 100%; height: 100%; object-fit: cover; min-height: 130px; display: block; }
.about-mosaic-item--main img { min-height: 100%; aspect-ratio: 3/4; }
.about-mosaic-item figcaption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.5rem 0.85rem 0.65rem;
  background: linear-gradient(transparent, rgba(17, 17, 17, 0.72));
  color: #faf7f2; font-size: 0.78rem; font-weight: 600;
}
.about-mosaic-item--placeholder .photo-placeholder { min-height: 130px; height: 100%; }
.about-mosaic-item--main.about-mosaic-item--placeholder .photo-placeholder { min-height: 280px; }

/* Yandex photo placeholders */
.photo-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; background: var(--surface-alt); text-align: center;
  padding: 1.5rem 1rem; height: 100%; min-height: 140px;
}
.photo-placeholder-link {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; color: var(--muted); width: 100%; height: 100%; min-height: inherit;
  border: 1px dashed var(--border); border-radius: inherit; padding: 1rem;
  transition: color 0.2s, border-color 0.2s;
}
.photo-placeholder-link:hover { color: var(--accent); border-color: var(--accent); }
.photo-placeholder-icon {
  font-size: 2rem; font-weight: 300; line-height: 1; color: var(--accent-soft, var(--accent));
}
.photo-placeholder-text { font-size: 0.82rem; font-weight: 600; max-width: 14rem; line-height: 1.4; }
.photo-placeholder-caption { font-size: 0.72rem; color: var(--muted); margin-top: 0.35rem; }
.hero-frame--placeholder { display: grid; place-items: center; background: var(--surface-alt); }
.hero-frame--placeholder .photo-placeholder-link { min-height: 100%; border: none; }
.bento-item .photo-placeholder,
.product-card .photo-placeholder,
.module-with-img .photo-placeholder {
  min-height: 140px; border-radius: 0; border: none; border-bottom: 1px solid var(--border);
}
.story-photo--placeholder .photo-placeholder { min-height: 280px; }

/* Photo gallery */
.photo-gallery {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.gallery-item {
  overflow: hidden; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: box-shadow 0.2s;
}
[data-archetype="c"] .gallery-item { border-radius: 0; border-width: 2px; }
.gallery-item:hover { box-shadow: var(--shadow); }
.gallery-item img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  filter: saturate(0.9); transition: transform 0.35s var(--ease, ease);
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item figcaption {
  padding: 0.7rem 0.9rem; font-size: 0.82rem; font-weight: 600;
  color: var(--muted); border-top: 1px solid var(--border);
}
.gallery-item--placeholder .photo-placeholder { aspect-ratio: 4/3; min-height: 180px; }
[data-archetype="c"] .gallery-item figcaption {
  font-family: var(--font-mono, var(--font-body)); text-transform: uppercase;
  font-size: 0.68rem; letter-spacing: 0.06em;
}

.about-photo { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
[data-archetype="c"] .about-photo { border-radius: 0; border-width: 2px; }
.about-photo img { aspect-ratio: 4/3; object-fit: cover; width: 100%; filter: saturate(0.9); }

/* Archetype A: Bento + Accordion */
.bento {
  display: grid; grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(200px, auto);
  grid-auto-flow: dense; gap: 1rem;
}
.bento-item {
  grid-column: span 4; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; min-height: 200px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.bento-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.bento-tall { grid-column: span 4; grid-row: span 2; min-height: 420px; }
.bento-wide { grid-column: span 8; }
.bento-item img { width: 100%; height: 55%; object-fit: cover; min-height: 140px; }
.bento-body { padding: 1.35rem 1.5rem; }
.bento-body h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.4rem; }
.bento-body p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

.accordion { border-top: 1px solid var(--border); }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-trigger {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 1.15rem 0; background: none; border: none; cursor: pointer;
  font-family: var(--font-body); font-size: 1rem; font-weight: 600; color: var(--ink); text-align: left;
}
.accordion-trigger span:last-child { font-size: 1.25rem; color: var(--muted); transition: transform 0.2s; }
.accordion-item.is-open .accordion-trigger span:last-child { transform: rotate(45deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.accordion-item.is-open .accordion-panel { max-height: 16rem; }
.accordion-panel p { padding-bottom: 1rem; color: var(--muted); font-size: 0.92rem; line-height: 1.65; }

/* Archetype B: Product grid */
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.product-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
  transition: box-shadow 0.2s;
}
.product-card:hover { box-shadow: var(--shadow); }
.product-card img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  border-radius: calc(var(--radius-lg) - 4px); filter: saturate(0.92);
}
.product-card h3 { font-family: var(--font-display); font-size: 1.2rem; }
.product-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.65; }

.story-block {
  display: grid; grid-template-columns: 0.75fr 1fr 1fr; gap: 2rem; align-items: start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
}
.story-photo {
  grid-row: span 2; overflow: hidden; border-radius: calc(var(--radius-lg) - 4px);
}
.story-photo img { width: 100%; aspect-ratio: 3/4; object-fit: cover; filter: saturate(0.92); }
.story-photo figcaption {
  padding: 0.5rem 0; font-size: 0.78rem; font-weight: 600; color: var(--muted);
}
.story-block h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 0.75rem; }
.story-block p { color: var(--muted); line-height: 1.75; }

/* Archetype C: Data grid */
.module-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 2px solid var(--border);
}
.module-cell {
  padding: 1.5rem; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.module-cell:nth-child(3n) { border-right: none; }
.module-cell h3 {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em;
  font-family: var(--font-mono, var(--font-body)); color: var(--muted); margin-bottom: 0.5rem;
}
.module-cell p { font-size: 0.95rem; font-weight: 600; line-height: 1.5; }
.module-with-img img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  margin-bottom: 0.85rem; filter: saturate(0.88);
  border-bottom: 1px solid var(--border);
}
.module-cell.module-wide.module-with-img img { aspect-ratio: 21/9; }
.module-cell.module-wide { grid-column: span 2; }
.module-cell.module-accent { border-left: 3px solid var(--accent); }

.datagrid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 2px solid var(--border); margin-top: 1.5rem;
}
.datagrid-row {
  display: contents;
}
.datagrid-row > span {
  padding: 0.85rem 1rem; border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.datagrid-row > span:first-child {
  font-family: var(--font-mono, var(--font-body)); text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); background: var(--surfaceAlt, var(--surface-alt));
  border-right: 1px solid var(--border);
}

/* Reviews */
.reviews-asymmetric {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 1rem; align-items: start;
}
.review-card {
  background: var(--surface); border: 1px solid var(--border);
  padding: 1.75rem; border-radius: var(--radius);
}
[data-archetype="c"] .review-card { border-radius: 0; border-width: 1px 1px 1px 3px; border-left-color: var(--accent); }
.review-stars { color: var(--accent-soft); font-size: 0.95rem; margin-bottom: 0.75rem; letter-spacing: 0.08em; }
.review-card q { display: block; font-size: 1rem; line-height: 1.7; color: var(--ink); font-style: normal; }
[data-archetype="a"] .review-card q { font-family: var(--font-display); font-size: 1.05rem; }
.review-card footer { margin-top: 1rem; font-size: 0.82rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

.reviews-stack { display: flex; flex-direction: column; gap: 1rem; }

/* Contact */
.contact-split { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 2.5rem; align-items: start; }
.contact-list { list-style: none; }
.contact-list li { padding: 0.85rem 0; border-bottom: 1px solid var(--border); }
.contact-list strong {
  display: block; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted); margin-bottom: 0.25rem;
}
[data-archetype="c"] .contact-list strong { font-family: var(--font-mono, var(--font-body)); }
.contact-list span, .contact-list a { font-size: 1rem; font-weight: 600; }
.contact-map iframe {
  width: 100%; height: 380px; border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
[data-archetype="c"] .contact-map iframe { border-radius: 0; border-width: 2px; }

/* Footer */
.site-footer {
  background: var(--ink); color: rgba(250, 247, 242, 0.88);
  padding: 2.5rem 0; text-align: center;
}
[data-archetype="c"] .site-footer { background: #0a0a0a; }
.site-footer a { color: #d4c4b0; font-weight: 600; }
.site-footer a:hover { color: #faf7f2; }
.footer-brand { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
[data-archetype="c"] .footer-brand { font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.95rem; }
.footer-copy { margin-top: 0.75rem; font-size: 0.82rem; opacity: 0.65; }

.dev-bar { background: #1a1614; padding: 0.85rem 0; font-size: 0.82rem; }
.dev-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1.25rem; list-style: none; }
.dev-links a { color: #c4b5a5; font-weight: 600; }
.dev-links a:hover { color: #faf7f2; }

/* Reveal — hero/metrics always visible (above the fold) */
.hero .reveal, .metrics .reveal { opacity: 1; transform: none; }
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.55s var(--ease, ease), transform 0.55s var(--ease, ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: 0.1s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 1200px) {
  .nav-links { gap: 0.75rem; }
  .nav-links a:not(.btn) { font-size: 0.78rem; }
  .logo { max-width: 52%; }
}

@media (max-width: 1100px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: var(--header-h); left: 0; right: 0; width: 100%;
    flex-direction: column; align-items: stretch; padding: 1rem;
    background: var(--surface); border-bottom: 1px solid var(--border);
    transform: translateY(-120%); opacity: 0; pointer-events: none; transition: 0.2s;
    z-index: 99; gap: 0; margin-left: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: none; padding-top: 0.5rem; }
  .nav-links a { display: block; padding: 0.85rem 0.25rem; white-space: normal; }
  .nav-links a.btn { text-align: center; margin-top: 0.25rem; }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
}

@media (max-width: 992px) {
  .hero-split, .about-grid, .contact-split, .story-block, .reviews-asymmetric { grid-template-columns: 1fr; }
  .about-mosaic { grid-template-columns: 1fr 1fr; min-height: auto; }
  .about-mosaic-item--main { grid-row: span 1; grid-column: span 2; }
  .photo-gallery { grid-template-columns: repeat(2, 1fr); }
  .story-photo { grid-row: span 1; }
  .story-block { grid-template-columns: 1fr; }
  .hero-split--visual-first .hero-copy, .hero-split--visual-first .hero-visual { order: unset; }
  .hero-visual { order: -1; max-width: 480px; margin-inline: auto; }
  .bento { grid-template-columns: 1fr; }
  .bento-item, .bento-tall, .bento-wide { grid-column: span 1; grid-row: span 1; min-height: auto; }
  .product-grid, .module-grid { grid-template-columns: 1fr; }
  .module-cell { border-right: none !important; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric { border-bottom: 1px solid var(--border); }
}

@media (max-width: 520px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .photo-gallery { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .about-mosaic { grid-template-columns: 1fr; }
  .about-mosaic-item--main { grid-column: span 1; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}