body.theme-v9 {
  --bg: #f1f5f9;
  --text: #0f172a;
  --text-muted: #64748b;
  --accent: #0e7490;
  --card-bg: #ffffff;
  --border: #cbd5e1;
  --hero-bg: #ffffff;
  --nav-bg: #0f172a;
  --font-heading: 'Segoe UI', sans-serif;
  --photo-radius: 12px;
  --btn-text: #fff;
  --title-align: left;
}

.theme-v9 .nav__logo, .theme-v9 .nav__links a { color: #e2e8f0; }
.theme-v9 .nav__links a:hover { color: #38bdf8; }
.theme-v9 .hero { border-left: 6px solid var(--accent); margin: 24px; max-width: calc(1100px + 48px); }
.theme-v9 .hero__grid { grid-template-columns: 1fr; text-align: center; }
.theme-v9 .hero__photo { max-width: 280px; margin: 0 auto; }
.theme-v9 .cards { grid-template-columns: repeat(2, 1fr); }
.theme-v9 .case { border-left: 4px solid var(--accent); }
.theme-v9 .price { background: #fff; }
.theme-v9 .price:nth-child(even) { background: #f8fafc; }