/* ============================================================
   public/css/style.css  —  AutoPrime Motors public stylesheet
   Palette: Deep navy #1B2A4A | Yellow accent #F5C518 | Light grey #F7F8FA
   ============================================================ */

/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #1B2A4A;
  --navy-dark:  #111D33;
  --navy-mid:   #243560;
  --yellow:     #F5C518;
  --yellow-dark:#D4A900;
  --yellow-pale:#FFF8D6;
  --grey-bg:    #F7F8FA;
  --grey-border:#DDE1E9;
  --grey-mid:   #8A93A6;
  --text:       #1A1F2E;
  --text-muted: #5A6275;
  --white:      #FFFFFF;
  --success:    #1A7A4A;
  --error:      #C0392B;
  --sold-bg:    #2D2D2D;

  --radius:     6px;
  --radius-lg:  12px;
  --shadow-sm:  0 1px 4px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.12);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.16);
  --transition: 180ms ease;
  --font:       'Inter', system-ui, -apple-system, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--grey-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--yellow-dark); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

/* ── Typography ───────────────────────────────────────────── */
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; line-height: 1.2; }
h2 { font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 700; line-height: 1.3; }
h3 { font-size: 1.1rem; font-weight: 600; }
h4 { font-size: .95rem; font-weight: 600; }

/* ── Layout helpers ───────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.25rem; }
.section    { padding: 3rem 0; }
.flex       { display: flex; }
.gap-1      { gap: .5rem; }
.gap-2      { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden     { display: none !important; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .6rem 1.3rem; border-radius: var(--radius);
  font-size: .9rem; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--yellow); color: var(--navy-dark); border-color: var(--yellow); }
.btn-primary:hover { background: var(--yellow-dark); border-color: var(--yellow-dark); color: var(--navy-dark); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-sm { padding: .4rem .9rem; font-size: .82rem; }
.btn-full { width: 100%; justify-content: center; }

/* ── Nav ──────────────────────────────────────────────────── */
.site-nav {
  background: var(--navy);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-md);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: .6rem;
  font-size: 1.2rem; font-weight: 800; color: var(--white);
}
.nav-logo span { color: var(--yellow); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: rgba(255,255,255,.8); font-size: .9rem; font-weight: 500; transition: var(--transition); }
.nav-links a:hover,
.nav-links a.active { color: var(--yellow); }
.nav-cta { margin-left: 1.5rem; }

.nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--white); padding: .4rem;
}
.nav-mobile {
  display: none; flex-direction: column; background: var(--navy-dark); padding: 1rem 1.25rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { color: rgba(255,255,255,.85); padding: .6rem 0; font-weight: 500; border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-mobile a:last-child { border-bottom: none; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  padding: 4rem 0 3rem;
  color: var(--white);
}
.hero-inner { max-width: 660px; }
.hero-eyebrow {
  display: inline-block; background: var(--yellow); color: var(--navy-dark);
  font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: .25rem .75rem; border-radius: 99px; margin-bottom: 1rem;
}
.hero h1 { color: var(--white); margin-bottom: .75rem; }
.hero p  { color: rgba(255,255,255,.75); font-size: 1.05rem; margin-bottom: 2rem; max-width: 520px; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* Quick search bar in hero */
.hero-search {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 1.25rem; margin-top: 2.5rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .75rem;
  box-shadow: var(--shadow-lg);
}
.hero-search select, .hero-search input {
  width: 100%; padding: .55rem .75rem; border: 1.5px solid var(--grey-border);
  border-radius: var(--radius); font-size: .88rem; color: var(--text);
  background: var(--white);
}
.hero-search select:focus, .hero-search input:focus { outline: none; border-color: var(--yellow); }

/* ── Featured strip ───────────────────────────────────────── */
.featured-section { background: var(--white); }
.section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.5rem; }
.section-label {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--yellow-dark); display: block; margin-bottom: .2rem;
}

/* ── Listings page layout ─────────────────────────────────── */
.listings-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* ── Filter sidebar ───────────────────────────────────────── */
.filter-sidebar {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--grey-border); padding: 1.25rem;
  position: sticky; top: 80px;
}
.filter-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; padding-bottom: .75rem;
  border-bottom: 2px solid var(--yellow);
}
.filter-header h3 { font-size: 1rem; }
.clear-btn { font-size: .8rem; color: var(--text-muted); background: none; border: none; cursor: pointer; }
.clear-btn:hover { color: var(--error); }

.filter-group { margin-bottom: 1.25rem; }
.filter-label {
  display: block; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--navy); margin-bottom: .5rem;
}
.filter-group select,
.filter-group input[type="text"],
.filter-group input[type="number"] {
  width: 100%; padding: .45rem .65rem;
  border: 1.5px solid var(--grey-border); border-radius: var(--radius);
  font-size: .87rem; color: var(--text); background: var(--white);
}
.filter-group select:focus,
.filter-group input:focus { outline: none; border-color: var(--yellow); }
.filter-range { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }

.checkbox-list { display: flex; flex-direction: column; gap: .35rem; }
.checkbox-item { display: flex; align-items: center; gap: .5rem; cursor: pointer; font-size: .88rem; }
.checkbox-item input[type="checkbox"] { accent-color: var(--yellow-dark); width: 15px; height: 15px; cursor: pointer; }

/* Active filter chips */
.filter-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--yellow-pale); color: var(--navy); border: 1px solid var(--yellow);
  border-radius: 99px; padding: .2rem .65rem; font-size: .8rem; font-weight: 500;
}
.chip button { background: none; border: none; cursor: pointer; color: var(--navy-mid);
  display: flex; padding: 0; font-size: .85rem; }

/* Mobile filter toggle */
.filter-mobile-toggle {
  display: none; width: 100%; justify-content: space-between; align-items: center;
  background: var(--navy); color: var(--white); border: none; border-radius: var(--radius);
  padding: .65rem 1rem; font-size: .9rem; font-weight: 600; cursor: pointer; margin-bottom: 1rem;
}

/* ── Vehicle grid ─────────────────────────────────────────── */
.listings-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem; flex-wrap: wrap; gap: .5rem;
}
.listings-count { font-size: .9rem; color: var(--text-muted); }
.sort-select {
  padding: .4rem .75rem; border: 1.5px solid var(--grey-border);
  border-radius: var(--radius); font-size: .87rem; background: var(--white);
}

.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* ── Vehicle card ─────────────────────────────────────────── */
.vehicle-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--grey-border); overflow: hidden;
  transition: var(--transition); cursor: pointer;
  display: flex; flex-direction: column;
}
.vehicle-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--yellow); }

.card-photo { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--grey-bg); }
.card-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.vehicle-card:hover .card-photo img { transform: scale(1.04); }
.card-photo-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--grey-mid); font-size: 2.5rem; }

.card-badge {
  position: absolute; top: .6rem; left: .6rem;
  padding: .2rem .6rem; border-radius: 99px; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
}
.badge-sold    { background: var(--sold-bg); color: var(--white); }
.badge-new     { background: var(--success); color: var(--white); }
.badge-certified { background: var(--navy); color: var(--yellow); }
.badge-promo   { background: var(--yellow); color: var(--navy-dark); }
.badge-featured { position: absolute; top: .6rem; right: .6rem; background: var(--yellow); color: var(--navy-dark); }

.card-body { padding: 1rem; flex: 1; display: flex; flex-direction: column; }
.card-title { font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .2rem; line-height: 1.3; }
.card-trim  { font-size: .82rem; color: var(--text-muted); margin-bottom: .65rem; }
.card-price { font-size: 1.2rem; font-weight: 800; color: var(--navy-dark); }
.card-price-was { font-size: .82rem; color: var(--text-muted); text-decoration: line-through; }

.card-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: .3rem .75rem;
  margin: .65rem 0; border-top: 1px solid var(--grey-border); padding-top: .65rem;
}
.spec-item { font-size: .8rem; color: var(--text-muted); display: flex; align-items: center; gap: .3rem; }
.spec-item strong { color: var(--text); }

.card-action { margin-top: auto; padding-top: .75rem; }

/* ── Vehicle detail page ──────────────────────────────────── */
.vdp-layout { display: grid; grid-template-columns: 1fr 340px; gap: 2rem; align-items: start; }

.gallery-main { position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--navy-dark); aspect-ratio: 16/9; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-counter {
  position: absolute; bottom: .75rem; right: .75rem;
  background: rgba(0,0,0,.6); color: var(--white); font-size: .8rem;
  padding: .2rem .6rem; border-radius: 99px;
}
.gallery-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,.55); color: var(--white); border: none;
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  transition: background var(--transition);
}
.gallery-nav:hover { background: var(--yellow); color: var(--navy-dark); }
.gallery-nav.prev { left: .75rem; }
.gallery-nav.next { right: .75rem; }

.gallery-thumbs { display: flex; gap: .5rem; margin-top: .75rem; overflow-x: auto; padding-bottom: .25rem; }
.gallery-thumb {
  flex-shrink: 0; width: 76px; height: 56px; border-radius: var(--radius);
  overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: var(--transition);
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--yellow); }

.vdp-summary { background: var(--white); border-radius: var(--radius-lg); padding: 1.5rem;
  border: 1px solid var(--grey-border); position: sticky; top: 80px; }
.vdp-price { font-size: 2rem; font-weight: 900; color: var(--navy-dark); }
.vdp-price-was { font-size: .9rem; color: var(--text-muted); text-decoration: line-through; }

.key-specs-bar {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem;
  background: var(--grey-bg); border-radius: var(--radius); padding: .75rem;
  margin: 1rem 0;
}
.key-spec { text-align: center; }
.key-spec-val { font-size: .9rem; font-weight: 700; color: var(--navy); display: block; }
.key-spec-lbl { font-size: .72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }

.specs-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.specs-table th, .specs-table td { padding: .55rem .75rem; text-align: left; border-bottom: 1px solid var(--grey-border); }
.specs-table th { background: var(--grey-bg); font-weight: 600; color: var(--navy); width: 40%; }
.specs-table tr:last-child td, .specs-table tr:last-child th { border-bottom: none; }

.features-grid { display: flex; flex-wrap: wrap; gap: .4rem; }
.feature-tag {
  background: var(--yellow-pale); border: 1px solid var(--yellow);
  color: var(--navy); padding: .2rem .6rem; border-radius: 99px; font-size: .8rem;
}

/* ── Contact form ─────────────────────────────────────────── */
.contact-card { background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--grey-border); padding: 1.5rem; margin-top: 1.5rem; }
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: .82rem; font-weight: 600; color: var(--navy); margin-bottom: .35rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: .55rem .75rem;
  border: 1.5px solid var(--grey-border); border-radius: var(--radius);
  font-size: .9rem; color: var(--text); background: var(--white); transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(245,197,24,.15); }
.form-textarea { resize: vertical; min-height: 90px; }
.form-tabs { display: flex; border-bottom: 2px solid var(--grey-border); margin-bottom: 1rem; }
.form-tab { flex: 1; background: none; border: none; padding: .6rem; font-size: .82rem; font-weight: 600;
  color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: var(--transition); }
.form-tab.active { color: var(--navy); border-bottom-color: var(--yellow); }
.form-success { background: #D4EDDA; color: var(--success); padding: 1rem; border-radius: var(--radius); font-weight: 600; text-align: center; }

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.92); z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
.lightbox img { max-width: 92vw; max-height: 90vh; object-fit: contain; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: 1rem; right: 1rem; background: rgba(255,255,255,.15);
  border: none; color: var(--white); width: 40px; height: 40px; border-radius: 50%;
  cursor: pointer; font-size: 1.2rem; display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover { background: var(--yellow); color: var(--navy-dark); }

/* ── Pagination ───────────────────────────────────────────── */
.pagination { display: flex; gap: .4rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }
.page-btn {
  min-width: 36px; height: 36px; padding: 0 .5rem;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--grey-border); border-radius: var(--radius);
  background: var(--white); font-size: .87rem; font-weight: 500; cursor: pointer;
  transition: var(--transition); color: var(--text);
}
.page-btn:hover { border-color: var(--yellow); color: var(--navy); }
.page-btn.active { background: var(--yellow); border-color: var(--yellow); color: var(--navy-dark); font-weight: 700; }
.page-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── Loading skeleton ─────────────────────────────────────── */
.skeleton { background: linear-gradient(90deg, #e8eaed 25%, #f5f6f8 50%, #e8eaed 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius); }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.skeleton-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--white); border: 1px solid var(--grey-border); }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,.7); margin-top: auto; }
.footer-inner { padding: 2.5rem 0 1.5rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; }
.footer-brand .nav-logo { margin-bottom: .75rem; }
.footer-brand p { font-size: .85rem; line-height: 1.7; }
.footer-col h4 { color: var(--white); font-size: .85rem; margin-bottom: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.footer-col a { color: rgba(255,255,255,.6); font-size: .85rem; }
.footer-col a:hover { color: var(--yellow); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 1rem 0; font-size: .8rem; text-align: center; color: rgba(255,255,255,.4); }
.footer-bottom a { color: rgba(255,255,255,.4); }

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 500;
  background: var(--navy); color: var(--white); padding: .75rem 1.25rem;
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  font-size: .9rem; font-weight: 500; border-left: 4px solid var(--yellow);
  animation: slideUp .25s ease;
}
.toast.error { border-left-color: var(--error); }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .listings-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; display: none; }
  .filter-sidebar.open { display: block; }
  .filter-mobile-toggle { display: flex; }
  .vdp-layout { grid-template-columns: 1fr; }
  .vdp-summary { position: static; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 2.5rem 0 2rem; }
  .hero-search { grid-template-columns: 1fr; }
  .vehicle-grid { grid-template-columns: 1fr 1fr; }
  .key-specs-bar { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .vehicle-grid { grid-template-columns: 1fr; }
  .section { padding: 2rem 0; }
  .vdp-price { font-size: 1.6rem; }
}