/* ============================================================
   AURUM MOTORS — Ultra-Luxury Showroom
   Palet: Obsidian (#0a0a0f), Champagne Gold (#c9a84c),
          Pearl White (#f5f0e8), Deep Crimson (#7a1c2e)
   ============================================================ */

:root {
  --obsidian:      #0a0a0f;
  --obsidian-mid:  #13131a;
  --obsidian-lite: #1e1e2a;
  --gold:          #c9a84c;
  --gold-lite:     #e2c97e;
  --gold-dark:     #8c6e28;
  --pearl:         #f5f0e8;
  --pearl-dim:     #cfc8b8;
  --crimson:       #7a1c2e;
  --crimson-lite:  #a0243c;
  --white:         #ffffff;
  --font:          -apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --tr:            0.3s ease;
  --r:             4px;
  --rl:            10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--obsidian); color: var(--pearl); line-height: 1.65; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: var(--gold); text-decoration: none; transition: color var(--tr); }
a:hover { color: var(--gold-lite); }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* Demo Bar */
.demo-bar {
  background: var(--crimson);
  color: var(--white);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  z-index: 1000;
}
.demo-bar span { opacity: .9; }
.demo-bar a {
  color: var(--gold-lite);
  background: rgba(0,0,0,.25);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid rgba(201,168,76,.4);
}
.demo-bar a:hover { background: rgba(0,0,0,.5); color: var(--white); }

/* Typography helpers */
.gold-text { color: var(--gold); }
.section-label { font-size: 11px; letter-spacing: .25em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 10px; display: block; }
.section-title { font-size: clamp(1.6rem,4vw,2.6rem); margin-bottom: 14px; }
.section-sub { color: var(--pearl-dim); font-size: 1rem; max-width: 560px; }
.gold-line { width: 56px; height: 3px; background: linear-gradient(90deg,var(--gold),var(--gold-lite)); margin: 14px 0 24px; border-radius: 2px; }
.gold-line.center { margin-left: auto; margin-right: auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(10,10,15,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,.15);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 38px; height: 38px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-name { font-size: 1.1rem; font-weight: 800; letter-spacing: .08em; color: var(--pearl); text-transform: uppercase; }
.logo-name span { color: var(--gold); }
.logo-sub { display: block; font-size: 9px; letter-spacing: .22em; color: var(--pearl-dim); text-transform: uppercase; font-weight: 400; line-height: 1; margin-top: 2px; }

/* Desktop nav */
.nav-menu { display: none; align-items: center; gap: 4px; }
.nav-menu a { color: var(--pearl-dim); font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 6px 14px; border-radius: var(--r); transition: color var(--tr), background var(--tr); }
.nav-menu a:hover, .nav-menu a.active { color: var(--gold); background: rgba(201,168,76,.08); }
.nav-cta { background: linear-gradient(135deg,var(--gold),var(--gold-dark)) !important; color: var(--obsidian) !important; border-radius: 20px !important; font-weight: 700 !important; }

/* Hamburger checkbox */
#nav-toggle { display: none; }
.nav-hamburger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; cursor: pointer; padding: 4px; }
.nav-hamburger span { display: block; height: 2px; background: var(--gold); border-radius: 2px; transition: transform var(--tr), opacity var(--tr); transform-origin: center; }
.nav-mobile { display: none; flex-direction: column; background: var(--obsidian-mid); border-top: 1px solid rgba(201,168,76,.12); padding: 16px 20px 24px; gap: 4px; }
.nav-mobile a { color: var(--pearl-dim); font-size: 14px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 12px 16px; border-radius: var(--r); display: block; border-bottom: 1px solid rgba(255,255,255,.04); }
.nav-mobile a:hover { color: var(--gold); background: rgba(201,168,76,.07); }
#nav-toggle:checked ~ .nav-mobile { display: flex; }
#nav-toggle:checked ~ label .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#nav-toggle:checked ~ label .nav-hamburger span:nth-child(2) { opacity: 0; }
#nav-toggle:checked ~ label .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Buttons */
.btn { display: inline-block; padding: 13px 30px; border-radius: 30px; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; transition: transform var(--tr), opacity var(--tr), box-shadow var(--tr); border: none; text-align: center; font-family: var(--font); }
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: linear-gradient(135deg,var(--gold-lite),var(--gold),var(--gold-dark)); color: var(--obsidian); }
.btn-gold:hover { box-shadow: 0 6px 24px rgba(201,168,76,.4); color: var(--obsidian); }
.btn-outline { background: transparent; color: var(--gold); border: 2px solid var(--gold); }
.btn-outline:hover { background: rgba(201,168,76,.1); color: var(--gold); }
.btn-crimson { background: linear-gradient(135deg,var(--crimson-lite),var(--crimson)); color: var(--white); }

/* Hero */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; padding: 60px 20px; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201,168,76,.07) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(122,28,46,.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--obsidian) 0%, var(--obsidian-mid) 100%);
}
.hero-deco {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: min(700px,95vw); height: 200px; opacity: .05;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(201,168,76,.1); border: 1px solid rgba(201,168,76,.3);
  border-radius: 30px; padding: 6px 18px;
  font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 24px;
}
.hero-badge::before { content:''; width:6px; height:6px; background:var(--gold); border-radius:50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.7)} }
.hero-content { position: relative; z-index: 2; max-width: 860px; }
.hero h1 { font-size: clamp(2.4rem,7vw,5.2rem); font-weight: 900; line-height: 1.05; margin-bottom: 22px; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; background: linear-gradient(135deg,var(--gold-lite),var(--gold)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: clamp(1rem,2.5vw,1.2rem); color: var(--pearl-dim); max-width: 560px; margin: 0 auto 36px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.hero-stats { display: flex; justify-content: center; flex-wrap: wrap; gap: 32px; margin-top: 56px; padding-top: 36px; border-top: 1px solid rgba(201,168,76,.12); }
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 2rem; font-weight: 900; color: var(--gold); display: block; line-height: 1; }
.hero-stat-label { font-size: 11px; color: var(--pearl-dim); letter-spacing: .12em; text-transform: uppercase; margin-top: 4px; display: block; }

/* Section */
.section { padding: 80px 20px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head.center .gold-line, .section-head.center .section-sub { margin-left: auto; margin-right: auto; }

/* Cars grid */
.cars-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.car-card { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.1); border-radius: var(--rl); overflow: hidden; transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr); }
.car-card:hover { transform: translateY(-6px); box-shadow: 0 0 32px rgba(201,168,76,.18); border-color: rgba(201,168,76,.35); }
.car-visual { height: 180px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.car-body { padding: 22px; }
.car-brand-tag { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 6px; display: block; }
.car-name { font-size: 1.25rem; font-weight: 800; color: var(--pearl); margin-bottom: 8px; }
.car-spec-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.car-spec-chip { font-size: 11px; background: rgba(201,168,76,.08); border: 1px solid rgba(201,168,76,.18); color: var(--pearl-dim); padding: 3px 10px; border-radius: 20px; }
.car-price { font-size: 1.15rem; font-weight: 800; color: var(--gold); margin-bottom: 16px; }
.car-price span { font-size: .75rem; font-weight: 400; color: var(--pearl-dim); }

/* Services strip */
.services-strip { background: var(--obsidian-mid); border-top: 1px solid rgba(201,168,76,.1); border-bottom: 1px solid rgba(201,168,76,.1); }
.svc-grid { display: grid; grid-template-columns: 1fr 1fr; }
.svc-item { padding: 30px 22px; border-right: 1px solid rgba(201,168,76,.08); border-bottom: 1px solid rgba(201,168,76,.08); transition: background var(--tr); }
.svc-item:hover { background: rgba(201,168,76,.04); }
.svc-icon { width: 44px; height: 44px; margin-bottom: 14px; color: var(--gold); }
.svc-title { font-size: .95rem; font-weight: 700; color: var(--pearl); margin-bottom: 6px; }
.svc-desc { font-size: .82rem; color: var(--pearl-dim); line-height: 1.5; }

/* Testimonials */
.testi-wrap { background: var(--obsidian-lite); }
.testi-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.testi-card { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.1); border-radius: var(--rl); padding: 26px; }
.testi-stars { color: var(--gold); font-size: 18px; margin-bottom: 12px; letter-spacing: 2px; }
.testi-text { font-size: .92rem; color: var(--pearl-dim); font-style: italic; margin-bottom: 18px; line-height: 1.7; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg,var(--gold-dark),var(--crimson)); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; color: var(--pearl); flex-shrink: 0; }
.testi-name { font-weight: 700; font-size: .9rem; color: var(--pearl); }
.testi-role { font-size: .78rem; color: var(--gold); }

/* CTA Banner */
.cta-banner { background: linear-gradient(135deg,rgba(122,28,46,.6) 0%,rgba(10,10,15,.9) 60%), radial-gradient(ellipse at 70% 50%,rgba(201,168,76,.15) 0%,transparent 60%); border: 1px solid rgba(201,168,76,.15); border-radius: var(--rl); padding: 48px 28px; text-align: center; }
.cta-banner h2 { font-size: clamp(1.5rem,4vw,2.2rem); margin-bottom: 14px; }
.cta-banner p { color: var(--pearl-dim); margin-bottom: 28px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* Footer */
.site-footer { background: var(--obsidian-mid); border-top: 1px solid rgba(201,168,76,.12); padding: 48px 20px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 36px; }
.footer-brand p { font-size: .88rem; color: var(--pearl-dim); margin-top: 14px; max-width: 280px; line-height: 1.6; }
.footer-heading { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--pearl-dim); font-size: .88rem; }
.footer-links a:hover { color: var(--gold); }
.fc-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: .88rem; color: var(--pearl-dim); }
.fc-item svg { color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.footer-bottom { max-width: 1200px; margin: 36px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.06); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; font-size: .8rem; color: var(--pearl-dim); }

/* Collection page extras */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.filter-btn { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.15); color: var(--pearl-dim); padding: 8px 18px; border-radius: 20px; font-size: 12px; font-weight: 600; letter-spacing: .06em; cursor: pointer; text-transform: uppercase; transition: all var(--tr); }
.filter-btn.active, .filter-btn:hover { background: linear-gradient(135deg,var(--gold),var(--gold-dark)); color: var(--obsidian); border-color: var(--gold); }
.car-detail-list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; margin: 12px 0; }
.car-detail-item { font-size: .8rem; color: var(--pearl-dim); }
.car-detail-item strong { color: var(--pearl); display: block; font-size: .77rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 1px; }

/* Services page */
.svc-card { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.1); border-radius: var(--rl); padding: 32px; transition: transform var(--tr), border-color var(--tr); }
.svc-card:hover { transform: translateY(-4px); border-color: rgba(201,168,76,.3); }
.svc-card-icon { width: 56px; height: 56px; background: rgba(201,168,76,.1); border: 1px solid rgba(201,168,76,.2); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--gold); }
.svc-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--pearl); }
.svc-card p { font-size: .88rem; color: var(--pearl-dim); line-height: 1.65; }
.svc-card ul { margin-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.svc-card ul li { font-size: .84rem; color: var(--pearl-dim); padding-left: 16px; position: relative; }
.svc-card ul li::before { content:''; position: absolute; left:0; top:8px; width:6px; height:6px; background:var(--gold); border-radius:50%; }
.svc-cards-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

/* About page */
.about-hero { background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(201,168,76,.08) 0%, transparent 65%), linear-gradient(160deg,var(--obsidian-mid) 0%,var(--obsidian) 100%); padding: 80px 20px; text-align: center; }
.about-hero h1 { font-size: clamp(2rem,5vw,3.5rem); margin-bottom: 18px; }
.values-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.value-card { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.1); border-left: 3px solid var(--gold); border-radius: var(--rl); padding: 26px; }
.value-num { font-size: 2.2rem; font-weight: 900; color: rgba(201,168,76,.2); line-height: 1; margin-bottom: 8px; }
.value-card h3 { font-size: 1rem; margin-bottom: 8px; color: var(--gold); }
.value-card p { font-size: .86rem; color: var(--pearl-dim); line-height: 1.6; }
.team-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.team-card { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.1); border-radius: var(--rl); padding: 22px; text-align: center; }
.team-avatar { width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 14px; border: 2px solid var(--gold); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 800; color: var(--pearl); }
.team-name { font-size: .95rem; font-weight: 700; color: var(--pearl); margin-bottom: 4px; }
.team-role { font-size: .78rem; color: var(--gold); letter-spacing: .08em; text-transform: uppercase; }
.timeline { display: flex; flex-direction: column; gap: 0; position: relative; }
.timeline::before { content:''; position:absolute; left:20px; top:0; bottom:0; width:2px; background:linear-gradient(180deg,var(--gold),transparent); }
.tl-item { display: flex; gap: 20px; padding-bottom: 32px; }
.tl-dot { width: 42px; height: 42px; border-radius: 50%; background: var(--obsidian-mid); border: 2px solid var(--gold); display: flex; align-items: center; justify-content: center; font-size:.8rem; font-weight:800; color:var(--gold); flex-shrink:0; }
.tl-content { padding-top: 8px; }
.tl-year { font-size:11px; letter-spacing:.15em; text-transform:uppercase; color:var(--gold); font-weight:700; margin-bottom:4px; }
.tl-text { font-size:.88rem; color:var(--pearl-dim); }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 36px; }
.contact-card { background: var(--obsidian-mid); border: 1px solid rgba(201,168,76,.1); border-radius: var(--rl); padding: 28px; }
.contact-card h2 { font-size: 1.4rem; margin-bottom: 6px; }
.contact-card > p { font-size: .88rem; color: var(--pearl-dim); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 7px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; background: rgba(255,255,255,.04); border: 1px solid rgba(201,168,76,.2); border-radius: var(--r); padding: 11px 14px; color: var(--pearl); font-family: var(--font); font-size: 14px; transition: border-color var(--tr); outline: none; -webkit-appearance: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--gold); background: rgba(201,168,76,.04); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select option { background: var(--obsidian-mid); color: var(--pearl); }
.info-item { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.info-icon { width: 42px; height: 42px; background: rgba(201,168,76,.1); border: 1px solid rgba(201,168,76,.2); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--gold); flex-shrink: 0; }
.info-label { font-size: 11px; text-transform: uppercase; letter-spacing:.1em; color:var(--gold); font-weight:700; margin-bottom:3px; }
.info-val { font-size: .88rem; color: var(--pearl-dim); line-height: 1.5; }
.map-box { background: var(--obsidian-lite); border: 1px solid rgba(201,168,76,.1); border-radius: var(--rl); height: 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--pearl-dim); font-size: .9rem; margin-top: 24px; }

/* Responsive */
@media (min-width: 640px) {
  .cars-grid { grid-template-columns: 1fr 1fr; }
  .svc-grid { grid-template-columns: repeat(4,1fr); }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .svc-cards-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .nav-hamburger { display: none; }
  .nav-menu { display: flex; }
  .cars-grid { grid-template-columns: repeat(3,1fr); }
  .footer-inner { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .testi-grid { grid-template-columns: repeat(3,1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: repeat(4,1fr); }
  .team-grid { grid-template-columns: repeat(4,1fr); }
  .svc-cards-grid { grid-template-columns: repeat(3,1fr); }
}