:root {
  --bg: #0f0f12;
  --bg-soft: #17171d;
  --panel: #1f1f27;
  --text: #f6f2e8;
  --muted: #cbbf9c;
  --gold: #d4af37;
  --gold-soft: #f0d58a;
  --line: rgba(212, 175, 55, 0.35);
  --danger: #ff7a7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, #27232f 0%, var(--bg) 42%);
}

a {
  color: var(--gold-soft);
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 15, 18, 0.94);
  backdrop-filter: blur(8px);
}

.brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.main-nav a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text);
}

.main-nav a:hover,
.main-nav a.active {
  border-color: var(--line);
  background: rgba(212, 175, 55, 0.12);
}

.container {
  width: min(1200px, 92%);
  margin: 24px auto 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.premium-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.2));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

.hero h1 {
  margin: 8px 0;
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.hero .kicker {
  color: var(--gold-soft);
  letter-spacing: 0.05em;
  font-weight: 600;
  text-transform: uppercase;
}

.cta-row {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--gold);
  color: #14120e;
  background: linear-gradient(120deg, var(--gold-soft), var(--gold));
  font-weight: 700;
}

.btn:hover {
  filter: brightness(1.05);
}

.btn-outline {
  background: transparent;
  color: var(--gold-soft);
}

.grid-4,
.grid-3,
.grid-2 {
  display: grid;
  gap: 14px;
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.metric {
  padding: 14px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.metric .label {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.metric .value {
  display: block;
  margin-top: 4px;
  font-size: 1.2rem;
  font-weight: 700;
}

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

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
}

.detail-item {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}

.floor-svg {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #15141b;
}

.floor-svg text {
  fill: #e9debf;
  font-size: 11px;
  text-anchor: middle;
}

.floor-svg .plot {
  fill: #121117;
  stroke: #9f8442;
  stroke-width: 2;
}

.floor-svg .room {
  fill: rgba(212, 175, 55, 0.2);
  stroke: #d4af37;
  stroke-width: 1.5;
}

.floor-svg .corridor {
  fill: rgba(128, 96, 36, 0.4);
  stroke: #d4af37;
  stroke-width: 1;
}

.floor-svg .terrace {
  fill: rgba(190, 190, 190, 0.16);
  stroke: #d4af37;
  stroke-width: 1;
}

.three-canvas {
  width: 100%;
  min-height: 320px;
  border-radius: 12px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #0d0c10;
}

.verify-note {
  margin-top: 10px;
  color: var(--gold-soft);
  font-size: 0.9rem;
}

.cards-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.info-card {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 12px;
  padding: 14px;
}

.info-card h3 {
  margin-top: 0;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}

.pill {
  font-size: 0.84rem;
  border: 1px solid var(--line);
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-soft);
  padding: 5px 8px;
  border-radius: 999px;
}

.list {
  padding-left: 18px;
  margin: 10px 0;
}

.list li {
  margin-bottom: 6px;
}

.warning {
  border-left: 4px solid var(--danger);
  padding-left: 10px;
  color: #ffc7c7;
}

.control-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.floor-svg .room-rect {
  fill: rgba(212, 175, 55, 0.15);
  stroke: #d4af37;
  stroke-width: 1.5;
  cursor: pointer;
}

.floor-svg .room-rect:hover {
  fill: rgba(212, 175, 55, 0.32);
}

.floor-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.floor-tab {
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
}

.floor-tab.active {
  background: rgba(212, 175, 55, 0.18);
  border-color: var(--gold);
  color: var(--gold-soft);
  font-weight: 600;
}

.floor-svg .room-label {
  fill: #e9debf;
  font-size: 11px;
  text-anchor: middle;
  pointer-events: none;
}

@media (max-width: 820px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .main-nav {
    width: 100%;
  }
}