:root {
  --bg: #f6f8fb;
  --paper: #ffffff;
  --ink: #182033;
  --muted: #667085;
  --line: #dde4ef;
  --blue: #2563eb;
  --green: #0f9f6e;
  --gold: #d99518;
  --shadow: 0 18px 50px rgba(24, 32, 51, .09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

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

.topbar {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 800;
  font-size: 20px;
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover {
  color: var(--blue);
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr);
  align-items: center;
  gap: 48px;
  padding: 46px 0 40px;
}

.hero-copy h1 {
  font-size: clamp(38px, 6vw, 66px);
  line-height: 1.08;
  margin: 10px 0 18px;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  font-size: 18px;
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  color: var(--green);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 13px;
}

.hero-video {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #0f172a;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.section {
  padding: 54px 0;
  border-top: 1px solid var(--line);
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

h2 {
  font-size: 30px;
  line-height: 1.25;
  margin: 6px 0 0;
}

h3 {
  margin: 14px 0 8px;
  font-size: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  min-height: 190px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid #bcd7ff;
  border-radius: 999px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

.card p,
.split p,
.about p {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 34px;
  align-items: start;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.timeline li {
  display: flex;
  gap: 18px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.timeline li:last-child {
  border-bottom: 0;
}

.timeline strong {
  min-width: 54px;
  color: var(--gold);
}

.timeline span {
  color: var(--muted);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.shot {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.shot::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 22% 25%, rgba(255,255,255,.7), transparent 18%),
    linear-gradient(145deg, rgba(255,255,255,.25), rgba(0,0,0,.15));
}

.shot span {
  position: absolute;
  left: 16px;
  bottom: 12px;
  color: white;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0,0,0,.35);
}

.sunrise {
  background: linear-gradient(135deg, #f4a261, #2a9d8f);
}

.forest {
  background: linear-gradient(135deg, #386641, #a7c957);
}

.night {
  background: linear-gradient(135deg, #1d3557, #7b2cbf);
}

.about {
  max-width: 760px;
}

footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 44px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
}

@media (max-width: 800px) {
  .topbar,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero,
  .split,
  .grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 28px;
  }
}