:root {
  --bg: #0a0a0f;
  --bg-soft: #101018;
  --panel: #141420;
  --panel-strong: #1a1a2e;
  --text: #eeeef2;
  --muted: #9494a8;
  --line: rgba(255,255,255,.07);
  --line-strong: rgba(255,255,255,.13);
  --accent: #d4a053;
  --accent-2: #e8c589;
  --accent-3: #c08940;
  --glow: rgba(212,160,83,.15);
  --glow-strong: rgba(212,160,83,.25);
  --shadow: 0 20px 60px rgba(0,0,0,.5);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(212,160,83,.08), transparent),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(160,100,40,.05), transparent);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 999;
  padding: 12px 18px;
  border-radius: 10px;
  color: var(--bg);
  background: var(--accent);
  font-weight: 700;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  background: rgba(10,10,15,.82);
  border-bottom: 1px solid var(--line);
}
.site-header.nav-open {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: rgba(10,10,15,1);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-inner { min-height: 72px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), var(--accent-3));
  color: #0a0a0f;
  font-weight: 900;
  font-size: .9rem;
  letter-spacing: .06em;
  box-shadow: 0 8px 24px var(--glow-strong);
}

.brand-copy strong,
.brand-copy span { display: block; }
.brand-copy strong { font-size: .95rem; letter-spacing: .02em; }
.brand-copy span { font-size: .78rem; color: var(--muted); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  cursor: pointer;
  z-index: 200;
  transition: border-color .2s;
}
.burger:hover { border-color: var(--accent); }
.burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .2s;
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav a:hover,
.nav a:focus-visible {
  color: var(--accent-2);
  background: rgba(212,160,83,.08);
}

/* ─── Hero ─── */
.hero {
  padding: 72px 0 40px;
}

.hero-grid,
.selection-grid,
.info-grid,
.contacts-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow,
.mini-label {
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .7rem;
  font-weight: 600;
  color: var(--accent);
}

h1, h2, h3, p, dt, dd { margin: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; }

h1 {
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  max-width: 12ch;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text) 40%, var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.6rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

p { color: var(--muted); }

.hero-lead {
  max-width: 58ch;
  font-size: 1.05rem;
  line-height: 1.75;
  color: #b8b8cc;
}

/* Buttons */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 40px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 28px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: .92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #0a0a0f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 32px var(--glow);
}
.button-primary:hover {
  box-shadow: 0 16px 40px var(--glow-strong);
}

.button-ghost {
  color: var(--muted);
  border-color: var(--line-strong);
  background: transparent;
}
.button-ghost:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(212,160,83,.05);
}

/* Hero metrics */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.hero-metrics div {
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color .3s;
}
.hero-metrics div:hover {
  border-color: rgba(212,160,83,.25);
}
.hero-metrics dt {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--accent);
  margin-bottom: 6px;
  font-weight: 600;
}
.hero-metrics dd {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

/* Hero visual */
.hero-visual {
  position: relative;
  min-height: 100%;
}
.hero-panel,
.category-card,
.info-card,
.visual-card,
.selection-panel,
.info-panel,
.topics-panel,
.contact-box,
.faq-grid details {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-panel {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212,160,83,.15);
}
.hero-panel img {
  width: 100%;
  height: auto;
  opacity: .9;
}

.floating-card {
  position: absolute;
  width: min(240px, 52%);
  padding: 18px;
  border-radius: 16px;
  background: rgba(10,10,15,.92);
  border: 1px solid rgba(212,160,83,.12);
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
  backdrop-filter: blur(12px);
}
.floating-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: .95rem;
}
.floating-card p { font-size: .85rem; }
.floating-a { left: -20px; bottom: 30px; }
.floating-b { right: -18px; top: 30px; }

.tag {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 8px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 10px;
  background: rgba(212,160,83,.12);
  color: var(--accent);
}
.tag-alt {
  background: rgba(232,197,137,.1);
  color: var(--accent-2);
}

/* ─── Sections ─── */
.section { padding: 48px 0; }
.section-contrast { padding: 56px 0; }
.section-contacts { padding-top: 48px; }
.strip-section { padding-top: 10px; }

.section-head {
  max-width: 72ch;
  margin-bottom: 32px;
}

/* Feature strip */
.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-strip article {
  padding: 22px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.feature-strip span {
  display: inline-block;
  margin-bottom: 12px;
  font-weight: 800;
  color: var(--accent);
}
.feature-strip h2 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

/* ─── Catalog ─── */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.category-card,
.info-card,
.visual-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color .3s, transform .3s;
}
.category-card:hover,
.info-card:hover,
.visual-card:hover {
  border-color: rgba(212,160,83,.2);
  transform: translateY(-2px);
}

.category-card {
  grid-column: span 6;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
}
.category-art img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  opacity: .85;
}

.info-card,
.visual-card {
  grid-column: span 4;
}
.info-card {
  padding: 24px;
  min-height: 180px;
}
.info-card h3 {
  color: var(--accent-2);
}

.visual-card {
  display: flex;
  align-items: stretch;
}
.visual-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .8;
}

/* ─── Info ─── */
.selection-copy,
.selection-panel,
.info-panel,
.topics-panel,
.contact-box,
.contacts-copy {
  border-radius: var(--radius-lg);
}
.selection-copy { padding-right: 10px; }
.selection-panel,
.info-panel,
.topics-panel,
.contact-box {
  padding: 28px;
}

.info-grid { align-items: start; }

.info-panel p {
  margin-bottom: 12px;
  line-height: 1.75;
}
.info-panel p:last-child { margin-bottom: 0; }

.bullet-list,
.contact-list {
  padding-left: 20px;
  margin: 18px 0 0;
  color: var(--muted);
}
.bullet-list li,
.contact-list li { margin-bottom: 10px; }

/* Selection panel */
.selection-panel {
  display: grid;
  gap: 14px;
}
.selection-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 16px;
  border-radius: 14px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--line);
}
.selection-number {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(212,160,83,.2), rgba(192,137,64,.14));
  color: var(--accent-2);
  font-weight: 800;
}

/* Topics */
.topics-panel h3 { margin-bottom: 18px; }
.topic-list {
  display: grid;
  gap: 12px;
}
.topic-list article {
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--line);
  transition: border-color .25s, background .25s;
}
.topic-list article:hover {
  border-color: rgba(212,160,83,.18);
  background: rgba(212,160,83,.03);
}
.topic-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: .92rem;
}
.topic-list p {
  font-size: .88rem;
}

/* ─── FAQ ─── */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.faq-grid details {
  padding: 22px 24px;
  border-radius: 18px;
  transition: border-color .25s;
}
.faq-grid details:hover {
  border-color: rgba(212,160,83,.18);
}
.faq-grid details[open] {
  border-color: rgba(212,160,83,.2);
  background: linear-gradient(180deg, var(--panel), rgba(212,160,83,.03));
}
.faq-grid summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after {
  content: '+';
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform .25s;
  flex-shrink: 0;
}
.faq-grid details[open] summary::after {
  transform: rotate(45deg);
}
.faq-grid details[open] summary { margin-bottom: 14px; }
.faq-grid details p { color: var(--muted); font-size: .94rem; }

/* ─── Contacts ─── */
.contacts-grid { align-items: stretch; }
.contacts-copy { padding: 0 8px 0 0; }

.contact-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  border-color: rgba(212,160,83,.12);
  background: linear-gradient(160deg, var(--panel), rgba(212,160,83,.04));
}
.contact-box h3 {
  color: var(--accent-2);
}

/* ─── Footer ─── */
.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.footer-inner {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.site-footer h3 {
  font-size: 1rem;
  color: var(--accent-2);
}
.site-footer p {
  color: var(--muted);
  font-size: .85rem;
}

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .hero-grid,
  .selection-grid,
  .info-grid,
  .contacts-grid,
  .feature-strip,
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card,
  .info-card,
  .visual-card { grid-column: auto; }
  .category-card { grid-template-columns: 1fr; }
  .floating-card {
    position: static;
    width: auto;
    margin-top: 14px;
  }
  .hero { padding-top: 48px; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { flex-direction: row; align-items: center; padding: 14px 0; min-height: auto; }
  .footer-inner { padding: 0; }

  .burger { display: flex; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 150;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(10,10,15,.96);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
  }
  .nav.open {
    opacity: 1;
    visibility: visible;
  }
  .nav a {
    font-size: 1.3rem;
    padding: 14px 28px;
    border-radius: 14px;
  }

  .hero { padding-top: 32px; }
  h1 { max-width: 14ch; }
  .hero-metrics,
  .catalog-grid,
  .faq-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 32px; }
  .category-card,
  .info-card,
  .visual-card,
  .selection-panel,
  .info-panel,
  .topics-panel,
  .contact-box,
  .faq-grid details,
  .feature-strip article {
    border-radius: 18px;
  }
}