:root {
  --bg: #100b0a;
  --panel: #201715;
  --panel-soft: #2b201d;
  --text: #fff8ef;
  --muted: rgba(255, 248, 239, 0.68);
  --line: rgba(232, 191, 137, 0.24);
  --gold: #e8bf89;
  --rose: #9d5b57;
  --cream: #f6d9ad;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px min(6vw, 72px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(16, 11, 10, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #1a100e;
  background: linear-gradient(135deg, #fff0cf, #c88d59);
  font-weight: 900;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: min(6vw, 72px);
  align-items: center;
  min-height: 720px;
  padding: 72px min(6vw, 72px) 84px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  letter-spacing: 0;
}

.lead {
  max-width: 640px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary,
.secondary {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 900;
}

.primary {
  color: #1a100e;
  background: linear-gradient(135deg, #ffe8bf, #c98b58);
}

.secondary {
  border: 1px solid var(--line);
  color: var(--cream);
  background: rgba(255, 255, 255, 0.05);
}

.visual-panel {
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(135deg, rgba(157, 91, 87, 0.72), rgba(16, 11, 10, 0.2)),
    radial-gradient(circle at 68% 22%, rgba(246, 217, 173, 0.8), rgba(201, 139, 88, 0.12) 24%, transparent 48%),
    linear-gradient(160deg, #382522, #17100f 70%);
  box-shadow: 0 36px 120px rgba(0, 0, 0, 0.42);
}

.visual-card {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 24px;
  background: rgba(16, 11, 10, 0.68);
}

.visual-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.visual-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 28px;
}

.visual-card p,
.section p,
.service-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.section {
  padding: 72px min(6vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-grid article,
.contact-card,
.feature-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  padding: 24px;
}

.split,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1fr);
  gap: min(6vw, 60px);
  align-items: start;
}

.feature-list {
  display: grid;
  gap: 14px;
  margin: 0;
  list-style: none;
}

.feature-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--cream);
  font-weight: 800;
}

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

.contact-card {
  display: grid;
  gap: 8px;
}

.contact-card span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.contact-card strong {
  margin-bottom: 12px;
  font-size: 18px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 26px min(6vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 14px;
}

footer a {
  color: var(--cream);
}

@media (max-width: 980px) {
  .hero,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 54px;
  }

  .visual-panel {
    min-height: 420px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar {
    position: static;
    display: grid;
  }

  nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    font-size: 13px;
  }

  nav a {
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    text-align: center;
  }

  .hero,
  .section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }
}