:root {
  color-scheme: dark;
  --bg: #060913;
  --surface: rgba(10, 18, 34, 0.92);
  --surface-strong: rgba(4, 9, 20, 0.92);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f7f8fb;
  --text-muted: rgba(247, 248, 251, 0.72);
  --accent: #ff5b2e;
  --accent-soft: rgba(255, 91, 46, 0.16);
  --radius: 26px;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.35);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body { overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.page { min-height: 100vh; }

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px 48px;
  backdrop-filter: blur(18px);
  background: rgba(6, 9, 19, 0.48);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.logo { font-size: 0.98rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; color: var(--text); }
.nav { display: flex; gap: 28px; font-size: 0.95rem; color: var(--text-muted); }
.nav a:hover { color: var(--text); }
.menu-toggle { display: none; background: none; border: 1px solid rgba(255,255,255,.12); width: 46px; height: 46px; border-radius: 50%; color: var(--text); cursor: pointer; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  position: relative;
  padding: 154px 48px 48px;
  background-image:
    linear-gradient(180deg, rgba(6,9,19,0.16) 0%, rgba(6,9,19,0.92) 72%),
    radial-gradient(circle at top center, rgba(255, 91, 46, 0.12), transparent 28%),
    url('https://images.unsplash.com/photo-1512453979798-5ea266f8880c?auto=format&fit=crop&w=1600&q=80');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,9,19,0.16), rgba(6,9,19,0.85));
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--accent); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.2em; margin-bottom: 24px; }
.hero-eyebrow::before { content: ''; width: 12px; height: 12px; background: var(--accent); border-radius: 50%; }
.hero-title { margin: 0; font-size: clamp(4rem, 7vw, 8rem); line-height: 0.9; letter-spacing: -0.05em; max-width: 12ch; }
.hero-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 96px; }
.hero-card { min-height: 170px; background: rgba(3, 6, 14, 0.62); border: 1px solid rgba(255,255,255,.08); border-radius: 22px; padding: 26px; display: flex; flex-direction: column; justify-content: space-between; }
.hero-card p { margin: 0; color: var(--text-muted); line-height: 1.7; }
.hero-card a { color: var(--text); text-transform: uppercase; font-size: 0.95rem; letter-spacing: 0.12em; margin-top: 18px; display: inline-flex; align-items: center; gap: 10px; }
.hero-card a::after { content: '→'; font-size: 0.95rem; }
.hero-sidebar { position: absolute; top: 50%; right: 48px; transform: translateY(-50%); display: flex; flex-direction: column; gap: 16px; align-items: flex-end; color: var(--text-muted); font-size: 0.95rem; letter-spacing: 0.05em; z-index: 1; }
.hero-sidebar span { display: block; font-size: 1.1rem; color: var(--text); }
.hero-sidebar .active { color: var(--accent); font-weight: 700; }

/* ── Sections ── */
.section { max-width: 1180px; margin: 0 auto; padding: 80px 48px; }
.section-subtitle { text-align: center; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.3em; font-size: 0.8rem; margin-bottom: 18px; }
.section-title { text-align: center; font-size: clamp(2.2rem, 3vw, 3.8rem); margin: 0 0 48px; }

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}
.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0 0 18px;
  max-width: 540px;
}
.about-stats { display: grid; gap: 18px; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.stat-number { font-size: 2.4rem; font-weight: 700; color: var(--accent); letter-spacing: -0.02em; }
.stat-label { color: var(--text-muted); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.1em; }

/* ── Services (tour grid) ── */
.tour-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.tour-card { position: relative; min-height: 320px; border-radius: 28px; overflow: hidden; background: #111a2a; box-shadow: var(--shadow); }
.tour-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3,6,14,0.08), rgba(6,9,19,0.9));
  z-index: 1;
}
.tour-card img { width: 100%; height: 100%; object-fit: cover; }
.tour-info { position: absolute; left: 24px; bottom: 24px; z-index: 2; color: var(--text); }
.tour-info strong { display: block; font-size: 1.15rem; margin-bottom: 8px; }
.tour-info span { color: var(--text-muted); font-size: 0.92rem; letter-spacing: 0.03em; }

/* ── Video ── */
.video-section { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; align-items: stretch; padding: 0 48px 96px; }
.video-card-large, .video-card-small { position: relative; border-radius: 30px; overflow: hidden; min-height: 300px; background: #08111f; }
.video-card-large { background-image: url('https://images.unsplash.com/photo-1519817650390-64a93db511aa?auto=format&fit=crop&w=1200&q=80'); background-size: cover; background-position: center; }
.video-card-small { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.video-card-small > div { position: relative; border-radius: 24px; background-size: cover; background-position: center; min-height: 142px; }
.video-card-small .item1 { background-image: url('https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=900&q=80'); }
.video-card-small .item2 { background-image: url('https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=900&q=80'); }
.video-card-large::after,
.video-card-small > div::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,9,19,0.15), rgba(6,9,19,0.88));
}
.video-left { display: flex; flex-direction: column; justify-content: center; gap: 24px; }
.video-left h2 { margin: 0; font-size: clamp(2.8rem, 4vw, 4.6rem); line-height: 1.02; max-width: 12ch; }
.video-left p { margin: 0; max-width: 520px; color: var(--text-muted); line-height: 1.8; }
.play-button {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition: transform .2s ease;
}
.play-button:hover { transform: scale(1.05); }
.play-button::before {
  content: '';
  border-style: solid;
  border-width: 12px 0 12px 20px;
  border-color: transparent transparent transparent var(--text);
  margin-left: 4px;
}
.video-left .caption { color: var(--text-muted); font-size: 0.95rem; }

/* ── Gallery ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 260px;
  background: #111a2a;
}
.gallery-item--wide { grid-column: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,9,19,0.08), rgba(6,9,19,0.88));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay strong { font-size: 1.15rem; margin-bottom: 6px; }
.gallery-overlay span { color: var(--text-muted); font-size: 0.9rem; }

/* ── Reviews ── */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.review-stars { color: var(--accent); font-size: 1.1rem; letter-spacing: 0.1em; }
.review-text { margin: 0; color: var(--text-muted); line-height: 1.75; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 14px; margin-top: auto; }
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.review-author strong { display: block; font-size: 0.95rem; margin-bottom: 2px; }
.review-author span { color: var(--text-muted); font-size: 0.85rem; }

/* ── Contacts ── */
.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contacts-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; align-items: center; gap: 18px; }
.contact-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.contact-item strong { display: block; margin-bottom: 4px; }
.contact-item a,
.contact-item span { color: var(--text-muted); font-size: 0.95rem; }
.contact-item a:hover { color: var(--accent); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input,
.contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }
.contact-form textarea { resize: vertical; min-height: 120px; }
.btn-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: opacity 0.2s ease;
  align-self: flex-start;
}
.btn-submit:hover { opacity: 0.88; }

/* ── Footer ── */
.footer { padding: 24px 48px 48px; color: rgba(247,248,251,.58); font-size: 0.9rem; text-align: center; }

/* ── Mobile nav open state ── */
.nav--open {
  display: flex !important;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface-strong);
  padding: 24px;
  gap: 18px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

/* ── Responsive ── */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .video-section { grid-template-columns: 1fr; }
  .tour-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-sidebar { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--wide { grid-column: span 1; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .contacts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .header { padding: 18px 24px; }
  .nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .hero { padding-top: 130px; }
  .hero-title { font-size: 3.8rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .section, .video-section { padding: 56px 24px; }
  .tour-grid { grid-template-columns: 1fr; }
  .video-card-small { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
}