/* Basic reset */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color:#0b1220; background:#fafbfc; }
a { color: inherit; }

/* Language visibility */
.t { display: none; }
html[data-lang="en"] .t-en { display: inline; }
html[data-lang="ru"] .t-ru { display: inline; }
html[data-lang="es"] .t-es { display: inline; }

/* Header */
.site-header { position:sticky; top:0; z-index:10; display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:12px; padding:10px 14px; background:#0b1220; color:#fff; }
.brand { display:inline-flex; align-items:center; gap:10px; text-decoration:none; color:#fff; }
.brand-text { font-weight:600; font-size:14px; letter-spacing:.2px; }
.nav { display:flex; gap:12px; justify-content:center; }
.nav a { color:#e9eef9; text-decoration:none; padding:6px 10px; border-radius:8px; font-size:14px; }
.nav a:hover { background: rgba(255,255,255,.08); color:#fff; }
.lang-switch { display:inline-flex; gap:6px; }
.lang-switch button { border:1px solid rgba(255,255,255,.35); background:transparent; color:#fff; border-radius:12px; padding:6px 10px; font-weight:600; cursor:pointer; }
.lang-switch button.active { background:#fff; color:#0b1220; border-color:#fff; }

/* Buttons */
.btn { display:inline-block; padding:10px 16px; border-radius:12px; text-decoration:none; font-weight:700; }
.btn.primary { background:#0b72ff; color:#fff; }
.btn.ghost { border:1px solid #0b72ff; color:#0b72ff; background:transparent; }
.btn.contact-btn { border:1px solid #1f2937; background:#fff; color:#1f2937; border-radius:12px; }

/* Hero */
.hero { display:grid; grid-template-columns: 1.1fr .9fr; align-items:center; gap:20px; padding: 24px 16px; background: linear-gradient(180deg, #eef4ff, #f7f9ff); }
.hero-text h1 { margin: 0 0 8px; font-size: clamp(24px,3.2vw,40px); }
.hero-text p { margin: 0 0 16px; color:#334; }
.hero-cta { display:flex; gap:10px; flex-wrap: wrap; }
.hero-media { display:flex; align-items:center; justify-content:center; }
.hero-rotator { position: relative; width: min(520px, 95%); aspect-ratio: 16 / 10; background:#f2f4f8; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.hero-rotator .hero-img { width: 100%; height: 100%; object-fit: cover; display:block; }
.hero-nav { position: absolute; top: 50%; transform: translateY(-50%); border: none; background: rgba(0,0,0,.35); color: #fff; width: 36px; height: 36px; border-radius: 999px; cursor: pointer; font-size: 18px; line-height: 36px; text-align: center; }
.hero-nav.prev { left: 8px; }
.hero-nav.next { right: 8px; }
.hero-nav:hover { background: rgba(0,0,0,.5); }
.hero-dots { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); display: flex; gap: 6px; }
.hero-dots .dot { width: 8px; height: 8px; border-radius: 50%; border: 1px solid rgba(255,255,255,.9); background: rgba(255,255,255,.35); cursor: pointer; padding:0; }
.hero-dots .dot.active { background: rgba(255,255,255,.95); }
@media (max-width: 640px) {
  .hero { grid-template-columns: 1fr; }
  .hero-rotator { width: 100%; aspect-ratio: 4 / 3; }
}

/* Catalog */
.catalog { padding: 24px 16px; }
.section-head { display:flex; align-items: baseline; justify-content: space-between; gap:12px; margin-bottom:12px; }
.section-head h2 { margin:0; font-size: clamp(20px, 2.4vw, 28px); }
.section-head p { margin:0; color:#445; font-size:14px; }
.grid { display:grid; grid-template-columns: repeat(1, minmax(0,1fr)); gap:14px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 980px) { .grid { grid-template-columns: repeat(3, minmax(0,1fr)); } }
.card { border-radius:16px; overflow:hidden; background:#fff; border:1px solid #e6ecf5; box-shadow:0 6px 16px rgba(16,24,40,.06); }
.thumb { position:relative; background:#f2f4f8; border-bottom:1px solid #e6ecf5; display:block; }
.thumb::before { content:""; display:block; padding-bottom: 100%; }
.thumb img { position:absolute; inset:0; width:100%; height:100%; object-fit: contain; background:#fff; }
.card-body { padding:12px; min-height: 96px; }
.card-title { margin:0 0 6px; font-size:16px; line-height:1.35; }
.muted { color:#556; font-size:12px; }
.price { margin-top:8px; font-weight:800; color:#0b1220; }

/* Sections */
.services, .about, .contact { padding: 20px 16px; }
.service-list { display:grid; gap:8px; margin:0; padding-left:20px; }
.contacts { display:flex; gap:16px; align-items:flex-start; flex-wrap:wrap; }
.about h2, .services h2, .contact h2 { margin:0 0 8px; font-size: clamp(20px, 2.4vw, 28px); line-height:1.25; letter-spacing:.2px; }
.about p, .services .service-list li, .contact .contacts p, .contact .btn { font-size: 15px; line-height: 1.6; }
/* Contact buttons (neutral) */
.contact-actions { display:flex; flex-wrap:wrap; gap:10px; margin:8px 0 12px; }

/* Footer */
.site-footer { background: linear-gradient(180deg, #f8fafc 0%, #ffffff 60%); padding: 20px 16px; }
.footer-grid { display:grid; grid-template-columns: 1fr; gap: 12px; align-items:start; max-width:1100px; margin:0 auto; padding:16px; background:#fff; border:1px solid #e6ecf5; border-radius:16px; box-shadow: 0 8px 24px rgba(16,24,40,.06); }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
.footer-col h4 { margin: 0 0 8px; font-size: 14px; color:#111827; letter-spacing:.2px; }
.footer-col a { color:#334; text-decoration:none; }
.footer-col a:hover { text-decoration:underline; }
.footer-legal { margin-top:16px; padding-top:10px; border-top:1px solid #e6ecf5; color:#667085; font-size:12px; text-align:center; }

/* v28 cinematic hero */
.hero-cinematic { position: relative; display: grid; place-items: center; padding: 64px 16px; min-height: 72vh; overflow: hidden; }
@media (max-width: 640px){ .hero-cinematic { min-height: 64vh; padding: 48px 12px; } }

.hero-bg { position: absolute; inset: 0; }
.hero-bg-layer { position: absolute; inset: -4%; background-position: center; background-size: cover; opacity: 0; animation: heroFade 21s infinite; transform: scale(1.05); }
.hero-bg-layer.bg1 { background-image: url('https://aemodernconstruction.com/wp-content/uploads/2025/04/Artdoors-collection-showoom-scaled.jpg'); animation-delay: 0s; }
.hero-bg-layer.bg2 { background-image: url('https://aemodernconstruction.com/wp-content/uploads/2025/09/LV-11-black-matt-with-black-glass-227x227.jpg'); animation-delay: 7s; }
.hero-bg-layer.bg3 { background-image: url('https://aemodernconstruction.com/wp-content/uploads/2025/09/LV-21-beige-concrete-with-matt-glass-227x227.jpg'); animation-delay: 14s; }

@keyframes heroFade {
  0% { opacity: 0; transform: scale(1.05); }
  6% { opacity: 1; }
  28% { opacity: 1; transform: scale(1.0); }
  33% { opacity: 0; transform: scale(1.0); }
  100% { opacity: 0; transform: scale(1.05); }
}

.hero-gradient { position: absolute; inset: 0; background:
  radial-gradient(1200px 600px at 20% 20%, rgba(255,255,255,.65), rgba(255,255,255,0) 60%),
  linear-gradient(180deg, rgba(255,255,255,.75) 0%, rgba(255,255,255,.55) 40%, rgba(255,255,255,.35) 100%);
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; width: 100%; max-width: 1100px; display: grid; align-items: center; justify-items: start; }
.hero-copy { max-width: 780px; backdrop-filter: saturate(120%) blur(0px); }
.hero-title { margin: 0 0 10px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.06; font-size: clamp(28px, 6vw, 56px); color: #0b1220; }
.hero-sub { margin: 0 0 18px; font-size: clamp(14px, 2.2vw, 18px); color: #223; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ensure header remains legible on top of visuals */
.site-header { backdrop-filter: saturate(140%) blur(6px); background: rgba(11, 18, 32, .85); }