/* Robust Auto Group — Inventory Site */
:root {
  --charcoal: #1a1d23;
  --charcoal-mid: #2a2f38;
  --charcoal-soft: #3d4450;
  --white: #ffffff;
  --off-white: #f5f6f8;
  --muted: #8b929e;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --border: #e2e5eb;
  --success: #16a34a;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(26, 29, 35, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 29, 35, 0.14);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--charcoal);
  background: var(--off-white);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
ul { list-style: none; }

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Header */
.site-header {
  background: var(--charcoal);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--white);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.logo:hover { color: var(--white); }
.logo-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.02em;
}
.logo-tag { display: block; font-size: 0.7rem; font-weight: 400; color: var(--muted); letter-spacing: 0.01em; }

.nav { display: flex; gap: 0.25rem; align-items: center; }
.nav a {
  color: rgba(255,255,255,.85);
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav a:hover, .nav a[aria-current="page"] {
  background: rgba(255,255,255,.1);
  color: var(--white);
}
.nav .btn-nav {
  background: var(--accent);
  color: var(--white) !important;
  margin-left: 0.35rem;
}
.nav .btn-nav:hover { background: var(--accent-hover); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white);
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--charcoal-mid);
    flex-direction: column;
    padding: 0.75rem;
    gap: 0.25rem;
  }
  .nav.open { display: flex; }
  .nav .btn-nav { margin-left: 0; text-align: center; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--charcoal) 0%, #252b36 60%, #1e3a5f 100%);
  color: var(--white);
  padding: 3.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(59,130,246,.25), transparent 50%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 16ch;
}
.hero .tagline {
  margin-top: 0.75rem;
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  max-width: 36ch;
}
.hero-actions { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background .15s, transform .1s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-hover); color: var(--white); }
.btn-ghost {
  background: rgba(255,255,255,.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent-soft); }

/* Trust bar */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.trust-bar ul {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 2.5rem;
  font-size: 0.88rem; color: var(--charcoal-soft); font-weight: 500;
}
.trust-bar li::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* Sections */
.section { padding: 3rem 0; }
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.75rem; flex-wrap: wrap;
}
.section-header h2 {
  font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em;
}
.section-header p { color: var(--muted); font-size: 0.95rem; }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.35rem;
}

.vehicle-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow .2s, transform .2s;
  display: flex; flex-direction: column;
}
.vehicle-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.vehicle-card .thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--charcoal-mid);
  position: relative;
}
.vehicle-card .thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s;
}
.vehicle-card:hover .thumb img { transform: scale(1.04); }
.badge {
  position: absolute; top: 0.75rem; left: 0.75rem;
  background: var(--accent); color: white;
  font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.55rem; border-radius: 4px;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.card-body { padding: 1.15rem 1.2rem 1.35rem; flex: 1; display: flex; flex-direction: column; }
.card-body h3 {
  font-size: 1.1rem; font-weight: 700; letter-spacing: -0.01em;
  margin-bottom: 0.35rem;
}
.card-body h3 a { color: var(--charcoal); }
.card-body h3 a:hover { color: var(--accent); }
.vin-label {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.75rem; color: var(--muted);
  letter-spacing: 0.02em; margin-bottom: 0.65rem;
}
.meta-row {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1rem;
  font-size: 0.85rem; color: var(--charcoal-soft); margin-bottom: 0.85rem;
}
.price {
  font-size: 1.25rem; font-weight: 750; color: var(--charcoal);
  margin-top: auto; padding-top: 0.5rem;
}
.price span { font-size: 0.8rem; font-weight: 500; color: var(--muted); }

/* Vehicle detail */
.vehicle-hero {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 2rem 0 0;
}
.breadcrumb {
  font-size: 0.85rem; color: var(--muted); margin-bottom: 1rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.vehicle-title-block h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 750; letter-spacing: -0.02em;
}
.vehicle-title-block .vin-big {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.95rem; color: var(--accent);
  margin-top: 0.35rem; font-weight: 600;
  word-break: break-all;
}
.specs-strip {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  margin: 1.25rem 0 0; padding: 1rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}
.specs-strip dt { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.specs-strip dd { font-weight: 650; color: var(--charcoal); }

.gallery-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  padding: 2rem 0 3rem;
}
@media (max-width: 860px) {
  .gallery-layout { grid-template-columns: 1fr; }
}

.gallery-main {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--charcoal);
  aspect-ratio: 16/10;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 0.65rem;
}
.gallery-thumbs button {
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  padding: 0; cursor: pointer;
  background: none;
  aspect-ratio: 16/10;
}
.gallery-thumbs button.active,
.gallery-thumbs button:focus-visible {
  border-color: var(--accent);
  outline: none;
}
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.detail-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 5rem;
}
.detail-panel .price-lg {
  font-size: 1.75rem; font-weight: 750; margin-bottom: 0.25rem;
}
.detail-panel .avail {
  color: var(--success); font-size: 0.85rem; font-weight: 600; margin-bottom: 1.25rem;
}
.detail-panel .desc {
  font-size: 0.95rem; color: var(--charcoal-soft); margin-bottom: 1.5rem;
}

/* Form */
.form-group { margin-bottom: 0.9rem; }
.form-group label {
  display: block; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 0.3rem; color: var(--charcoal);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font: inherit; font-size: 0.95rem;
  background: var(--off-white);
  transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--white);
}
.form-note { font-size: 0.75rem; color: var(--muted); margin-top: 0.75rem; }
.form-success {
  display: none;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.form-success.show { display: block; }

/* Inventory page */
.filter-bar {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
}
.filter-bar label { font-size: 0.85rem; font-weight: 600; }
.filter-bar select {
  padding: 0.45rem 0.7rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font: inherit; font-size: 0.9rem;
  background: var(--off-white);
}

/* Footer */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,.7);
  padding: 2.5rem 0 1.5rem;
  margin-top: auto;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
}
.footer-brand { color: var(--white); font-weight: 700; font-size: 1.1rem; margin-bottom: 0.5rem; }
.footer-grid h4 {
  color: var(--white); font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 0.75rem;
}
.footer-grid a { color: rgba(255,255,255,.7); display: block; padding: 0.2rem 0; }
.footer-grid a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 1.25rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
  font-size: 0.8rem; color: rgba(255,255,255,.45);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.page-hero-sm {
  background: var(--charcoal);
  color: var(--white);
  padding: 2rem 0;
}
.page-hero-sm h1 { font-size: 1.75rem; font-weight: 750; letter-spacing: -0.02em; }
.page-hero-sm p { color: rgba(255,255,255,.65); margin-top: 0.35rem; }