:root {
  --bg: #0c1524;
  --bg-soft: #121f33;
  --surface: #ffffff;
  --surface-muted: #f4f7fb;
  --text: #1a2332;
  --text-muted: #5a6578;
  --accent: #c8922e;
  --accent-dark: #a6741f;
  --accent-soft: rgba(200, 146, 46, 0.12);
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(12, 21, 36, 0.12);
  --header-h: 76px;
  --font: 'Vazirmatn', Tahoma, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface-muted);
  line-height: 1.8;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }

.site-header {
  position: fixed; inset-inline: 0; top: 0; z-index: 100;
  background: rgba(12, 21, 36, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  min-height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .75rem; color: #fff; }
.brand-logo { width: 48px; height: 48px; object-fit: contain; border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-text strong { font-size: 1.05rem; font-weight: 700; }
.brand-text small { font-size: .78rem; opacity: .75; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .35rem; flex-wrap: wrap; }
.main-nav a {
  color: rgba(255,255,255,.88); padding: .55rem .85rem; border-radius: 999px;
  font-size: .92rem; transition: background .2s, color .2s;
}
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,.1); color: #fff; }
.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer; padding: .5rem;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0;
}

.hero {
  min-height: 92vh; position: relative; display: grid; align-items: end;
  color: #fff; padding-top: calc(var(--header-h) + 2rem); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,21,36,.35) 0%, rgba(12,21,36,.88) 100%);
}
.hero-content { position: relative; z-index: 2; padding-block: 4rem 5rem; max-width: 760px; }
.hero-eyebrow {
  display: inline-block; padding: .35rem .85rem; border-radius: 999px;
  background: rgba(200,146,46,.18); color: #f5d590; font-size: .85rem; margin-bottom: 1rem;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.25; margin: 0 0 1rem; font-weight: 800; }
.hero p { font-size: clamp(1rem, 2vw, 1.15rem); opacity: .92; margin: 0 0 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.35rem; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; transition: transform .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.08); }

section { padding-block: 4.5rem; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 .75rem; color: var(--bg); }
.section-head p { margin: 0; color: var(--text-muted); }

.about-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center;
}
.about-content { background: var(--surface); padding: 2rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.about-content h2 { margin-top: 0; }
.about-images { display: grid; gap: 1rem; }
.about-images img { border-radius: var(--radius); box-shadow: var(--shadow); }

.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem;
}
.stat-card {
  background: var(--surface); border-radius: var(--radius); padding: 1.25rem;
  text-align: center; box-shadow: var(--shadow); border-top: 3px solid var(--accent);
}
.stat-card .value { font-size: 1.6rem; font-weight: 800; color: var(--bg); line-height: 1.2; }
.stat-card .label { color: var(--text-muted); font-size: .9rem; margin-top: .35rem; }
.stat-card .unit { font-size: .8rem; color: var(--accent-dark); }

.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem;
}
.feature-card {
  background: var(--surface); border-radius: var(--radius); padding: 1.5rem;
  box-shadow: var(--shadow); transition: transform .2s;
}
.feature-card:hover { transform: translateY(-4px); }
.feature-icon { font-size: 1.8rem; margin-bottom: .75rem; }
.feature-card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.feature-card p { margin: 0; color: var(--text-muted); font-size: .92rem; }

.zones-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem;
}
.zone-card {
  background: var(--surface); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.zone-head {
  background: linear-gradient(135deg, var(--bg) 0%, #1a3050 100%);
  color: #fff; padding: 1rem 1.25rem;
}
.zone-head h3 { margin: 0; font-size: 1.05rem; }
.zone-body { padding: 1rem 1.25rem 1.25rem; }
.zone-row { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.zone-row:last-child { border-bottom: 0; }
.zone-row span:last-child { font-weight: 600; color: var(--bg); }

.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem;
}
.gallery-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; box-shadow: var(--shadow); cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-caption {
  position: absolute; inset-inline: 0; bottom: 0; padding: .75rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,.75)); color: #fff; font-size: .88rem;
}

.video-tabs { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.video-tab-nav {
  display: flex; flex-wrap: wrap; gap: .35rem; padding: 1rem; background: var(--bg-soft);
  overflow-x: auto;
}
.video-tab-nav button {
  border: 0; background: rgba(255,255,255,.08); color: #fff; padding: .5rem .85rem;
  border-radius: 999px; cursor: pointer; font-family: inherit; white-space: nowrap;
}
.video-tab-nav button.active { background: var(--accent); color: #fff; }
.video-frame { position: relative; padding-top: 56.25%; background: #000; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.map-section img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; }

.contact-page-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.contact-card, .contact-info-card {
  background: var(--surface); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow);
}
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: .65rem 0; border-bottom: 1px solid var(--border); }
.contact-list li:last-child { border-bottom: 0; }

.site-footer { background: var(--bg); color: rgba(255,255,255,.85); margin-top: 2rem; }
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem; padding-block: 3rem;
}
.footer-col h3, .footer-col h4 { margin: 0 0 1rem; color: #fff; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: .5rem; }
.footer-col a:hover { color: var(--accent); }
.social-links { display: flex; flex-wrap: wrap; gap: .5rem; }
.social-links a {
  padding: .45rem .8rem; border-radius: 999px; background: rgba(255,255,255,.08); font-size: .85rem;
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-block: 1rem; font-size: .88rem; opacity: .75; }

.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.88); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 1rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(1100px, 96vw); max-height: 90vh; border-radius: 10px; }
.lightbox-close {
  position: absolute; top: 1rem; left: 1rem; background: rgba(255,255,255,.15);
  border: 0; color: #fff; width: 42px; height: 42px; border-radius: 50%; cursor: pointer; font-size: 1.4rem;
}

@media (max-width: 900px) {
  .about-grid, .contact-page-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: var(--header-h); inset-inline: 0;
    background: var(--bg); padding: 1rem; display: none;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
}

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