:root {
  --color-bg: #0f1115;
  --color-bg-alt: #161922;
  --color-surface: #1c202b;
  --color-border: #2a2f3d;
  --color-text: #eef0f5;
  --color-text-muted: #9aa1b2;
  --color-primary: #ff6a3d;
  --color-primary-dark: #e0552a;
  --color-accent: #3dd6ff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --max-width: 1200px;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f7f7fa;
    --color-bg-alt: #ffffff;
    --color-surface: #ffffff;
    --color-border: #e4e6ee;
    --color-text: #171923;
    --color-text-muted: #666d80;
    --shadow: 0 10px 30px rgba(20, 20, 40, 0.08);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a { color: inherit; }

img, svg { display: block; max-width: 100%; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
@media (prefers-color-scheme: light) {
  .site-header { background: rgba(255, 255, 255, 0.85); }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--color-text);
}
.logo .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.logo-img {
  height: 44px;
  width: auto;
  border-radius: 8px;
  display: block;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--color-primary); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  padding: 8px 10px;
  font-size: 1.1rem;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 106, 61, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; }

/* Hero */
.hero {
  position: relative;
  padding: 90px 0 70px;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 106, 61, 0.18), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(61, 214, 255, 0.14), transparent 40%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero-inner-solo {
  grid-template-columns: 1fr;
  text-align: center;
}
.hero-inner-solo p:not(.eyebrow) { margin-left: auto; margin-right: auto; }
.hero-inner-solo .hero-actions,
.hero-inner-solo .hero-stats { justify-content: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 106, 61, 0.14);
  border: 1px solid rgba(255, 106, 61, 0.4);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 999px;
  margin: 0 0 16px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero h1 span { color: var(--color-primary); }
.hero p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin: 0 0 28px;
  max-width: 46ch;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-stats div strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
}
.hero-stats div span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-art {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--color-surface), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}
.hero-art svg { width: 65%; }

/* Section headings */
.section { padding: 70px 0; scroll-margin-top: 76px; }
.section-alt { background: var(--color-bg-alt); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 8px;
  font-weight: 800;
}
.section-head p { color: var(--color-text-muted); margin: 0; max-width: 55ch; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.sell-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.14), rgba(61, 214, 255, 0.1));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 40px;
  flex-wrap: wrap;
}
.sell-banner h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin: 0 0 8px;
  font-weight: 800;
}
.sell-banner p:not(.eyebrow) {
  color: var(--color-text-muted);
  margin: 0;
  max-width: 55ch;
}
.sell-banner .btn { flex-shrink: 0; }
@media (max-width: 720px) {
  .sell-banner { padding: 28px; }
}

/* Filters */
.filters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 32px;
}
.filter-field { display: flex; flex-direction: column; gap: 6px; }
.filter-field label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.filter-field input,
.filter-field select {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
}
.filter-field input:focus,
.filter-field select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

/* Catalog grid */
.catalog-count {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
}
.car-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.car-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  display: flex;
  flex-direction: column;
}
.car-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--color-primary);
}
.car-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--color-bg-alt), var(--color-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.car-thumb svg { width: 60%; opacity: 0.9; }
.car-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.car-photo-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
}
.car-photo-fallback svg { width: 60%; opacity: 0.9; }
.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
}
.car-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.car-title { font-size: 1.05rem; font-weight: 800; margin: 0; }
.car-sub { color: var(--color-text-muted); font-size: 0.85rem; margin: 0; }
.car-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.car-meta span {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 4px 9px;
  border-radius: 999px;
}
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  grid-column: 1 / -1;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 9, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.modal-hero {
  aspect-ratio: 16 / 9;
  background: linear-gradient(150deg, var(--color-bg-alt), var(--color-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.modal-hero svg { width: 45%; }
.modal-hero .car-photo { width: 100%; height: 100%; object-fit: cover; }
.modal-hero .car-photo-fallback svg { width: 45%; }
.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-body { padding: 28px; }
.modal-body h3 { margin: 0 0 4px; font-size: 1.5rem; font-weight: 800; }
.modal-body .car-sub { margin-bottom: 18px; }
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}
.spec-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 10px 14px;
}
.spec-item span { display: block; font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.spec-item strong { font-size: 0.95rem; }
.modal-desc { color: var(--color-text-muted); margin-bottom: 24px; }
.modal-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Contact section */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}
.contact-info h3 { margin-top: 0; }
.info-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
}
.info-row .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}
.info-row strong { display: block; }
.info-row span { color: var(--color-text-muted); font-size: 0.9rem; }
.info-row span a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.info-row span a:hover { color: var(--color-primary); text-decoration: underline; }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.85rem; font-weight: 700; color: var(--color-text-muted); }
.field input,
.field select,
.field textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 8px;
  padding: 11px 13px;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.form-note { font-size: 0.8rem; color: var(--color-text-muted); }
.form-success {
  display: none;
  background: rgba(61, 214, 130, 0.12);
  border: 1px solid #3dd682;
  color: #3dd682;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
}
.form-success.show { display: block; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  margin-top: 20px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.footer-links { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; }
.footer-links a { text-decoration: none; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }

/* Responsive */
@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .filters { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-links.open-mobile {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 20px 18px;
  }
  .nav-links.open-mobile a {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
  }
  .header-inner { position: relative; }
  .nav-toggle { display: inline-flex; }
  .header-inner .btn-primary { display: none; }
}
@media (max-width: 560px) {
  .filters { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 40px; }
  .section { padding: 50px 0; }
}