:root {
  --color-primary: #0056b3;
  --color-primary-600: #004494;
  --color-primary-700: #00356f;
  --color-secondary: #28a745;
  --color-secondary-600: #1f8a39;
  --color-accent: #00a6fb;

  --color-bg: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fbff;
  --color-text: #12263a;
  --color-text-muted: #5e6e82;
  --color-border: #dbe6f2;
  --color-border-strong: #c6d6e8;

  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.625rem;
  --fs-2xl: clamp(1.9rem, 3vw, 2.5rem);
  --fs-3xl: clamp(2.2rem, 4vw, 3.2rem);

  --lh-tight: 1.2;
  --lh-normal: 1.6;
  --lh-loose: 1.8;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.85rem;
  --radius-lg: 1.2rem;
  --radius-xl: 1.6rem;
  --radius-pill: 999px;

  --shadow-xs: 0 2px 8px rgba(18, 38, 58, 0.05);
  --shadow-sm: 0 8px 24px rgba(18, 38, 58, 0.08);
  --shadow-md: 0 14px 36px rgba(0, 86, 179, 0.14);
  --shadow-lg: 0 24px 60px rgba(0, 53, 111, 0.18);

  --container: 1200px;
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background:
    radial-gradient(circle at 10% 0%, rgba(0, 166, 251, 0.08), transparent 40%),
    radial-gradient(circle at 100% 10%, rgba(40, 167, 69, 0.08), transparent 35%),
    var(--color-bg);
  line-height: var(--lh-normal);
  text-rendering: optimizeLegibility;
  padding-bottom: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
}

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

.section {
  padding: var(--space-16) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-4);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--fs-3xl);
  line-height: var(--lh-tight);
  font-weight: 800;
}

h2 {
  font-size: var(--fs-2xl);
  line-height: 1.25;
  font-weight: 750;
}

h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
}

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: #3d5168;
  max-width: 68ch;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary-700);
  background: #e8f1ff;
  border: 1px solid #cfe2ff;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
}

/* NAVBAR */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(198, 214, 232, 0.8);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-text);
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  box-shadow: var(--shadow-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-links a {
  color: #2d435a;
  font-weight: 600;
  font-size: var(--fs-sm);
  padding: 0.55rem 0.8rem;
  border-radius: 0.6rem;
}

.nav-links a:hover,
.nav-links a.active {
  background: #edf4ff;
  color: var(--color-primary-700);
}

/* BREADCRUMB */
.breadcrumb-nav { background: #f0f4f8; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.breadcrumb { list-style: none; padding: 0; margin: 0; display: flex; gap: 10px; font-size: var(--fs-xs); }
.breadcrumb li { color: var(--color-text-muted); }
.breadcrumb li a { color: var(--color-primary); }
.breadcrumb li::after { content: '/'; margin-left: 10px; opacity: 0.5; }
.breadcrumb li:last-child::after { content: none; }

/* WEATHER */
.weather-widget { display: flex; align-items: center; gap: 0.8rem; background: var(--color-surface-soft); padding: 8px 15px; border-radius: var(--radius-pill); border: 1px solid var(--color-border); }
.weather-widget .sun-icon { color: #f59e0b; width: 20px; height: 20px; }
.weather-widget span { font-weight: 800; color: var(--color-text); }
.weather-widget small { color: var(--color-text-muted); font-size: 11px; }

/* HERO */
.hero {
  padding: var(--space-20) 0 var(--space-12);
}

.hero-card {
  background: linear-gradient(145deg, #ffffff 0%, #f7fbff 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 3vw, 2.2rem);
}

.hero-grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

/* SEARCH FORM */
.search-form {
  margin-top: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: grid;
  gap: var(--space-4);
}

.form-grid {
  display: grid;
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-2);
  position: relative;
}

label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #334e68;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  background: #fff;
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.9rem;
  font: inherit;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  border-color: #8eb8ff;
  box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.15);
}

.autocomplete-suggestions { 
    position: absolute; 
    top: 100%; 
    left: 0; 
    right: 0; 
    background: white; 
    border: 1px solid var(--color-border); 
    border-top: none; 
    border-radius: 0 0 var(--radius-md) var(--radius-md); 
    z-index: 100; 
    box-shadow: var(--shadow-sm); 
    overflow: hidden; 
}
.autocomplete-suggestions div { 
    padding: 10px 15px; 
    cursor: pointer; 
    border-bottom: 1px solid var(--color-border); 
    font-size: var(--fs-sm);
}
.autocomplete-suggestions div:hover { background: var(--color-surface-soft); }

/* BUTTONS */
.btn,
button[type="submit"],
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--fs-sm);
  padding: 0.85rem 1.15rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary,
button[type="submit"],
.cta-primary {
  color: #fff !important;
  background: linear-gradient(135deg, var(--color-primary), #0a72df);
  box-shadow: 0 10px 24px rgba(0, 86, 179, 0.28);
}

.btn-primary:hover,
button[type="submit"]:hover,
.cta-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary));
  box-shadow: 0 14px 28px rgba(0, 86, 179, 0.35);
}

.btn-secondary,
.cta-secondary {
  color: #fff !important;
  background: linear-gradient(135deg, var(--color-secondary), #31bf54);
  box-shadow: 0 10px 24px rgba(40, 167, 69, 0.26);
}

.btn-secondary:hover,
.cta-secondary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--color-secondary-600), var(--color-secondary));
}

.btn-outline {
    border: 1px solid var(--color-border-strong);
    background: transparent;
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-surface-soft);
    border-color: var(--color-primary);
}

/* CARDS */
.grid {
  display: grid;
  gap: var(--space-6);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  padding: var(--space-6);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  border-color: #b6cef0;
  box-shadow: var(--shadow-md);
}

.card h3 {
  margin-bottom: var(--space-2);
}

.card p {
  margin-bottom: var(--space-5);
  flex-grow: 1;
}

/* PILLS */
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.pill {
  font-size: var(--fs-xs);
  color: #24435f;
  background: #eef5ff;
  border: 1px solid #d4e6ff;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-pill);
}

/* REVIEWS */
.reviews-list { display: grid; gap: var(--space-4); }
.review-item { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface-soft); }
.review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.review-header .stars { color: #fbbf24; font-size: 14px; }
.verified-badge { background: #dcfce7; color: #166534; font-size: 10px; font-weight: 800; padding: 2px 6px; border-radius: 4px; display: inline-flex; align-items: center; gap: 4px; margin-left: 10px; }
.italic { font-style: italic; color: #334e68; }

/* DETAILS PAGE BLOCKS */
.detail-layout {
  display: grid;
  gap: var(--space-8);
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  padding: var(--space-6);
}

.panel + .panel {
  margin-top: var(--space-6);
}

.price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  font-weight: 800;
  color: var(--color-secondary-600);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.price-tag small {
  font-size: var(--fs-sm);
  color: #4f6d8a;
  font-weight: 600;
}

/* STICKY MOBILE CTA */
.sticky-mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; background: white; padding: 15px 0; border-top: 1px solid var(--color-border); z-index: 1000; transform: translateY(100%); transition: transform 0.3s ease; box-shadow: 0 -10px 30px rgba(0,0,0,0.1); }
.sticky-mobile-cta.visible { transform: translateY(0); }
.sticky-mobile-cta .price-info { display: flex; flex-direction: column; }
.sticky-mobile-cta .price-info .label { font-size: 10px; text-transform: uppercase; color: var(--color-text-muted); font-weight: 700; }
.sticky-mobile-cta .price-info .val { font-size: 20px; font-weight: 800; color: var(--color-secondary); line-height: 1; }
.sticky-mobile-cta .price-info .unit { font-size: 10px; color: var(--color-text-muted); }

/* FOOTER */
.site-footer {
  margin-top: var(--space-20);
  background: linear-gradient(145deg, #0f2238, #153251);
  color: #d7e7fb;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  padding: var(--space-12) 0 var(--space-8);
}

.footer-columns {
  display: grid;
  gap: var(--space-8);
}

.site-footer h3,
.site-footer h4 {
  color: #ffffff;
  margin-bottom: var(--space-4);
}

.site-footer p,
.site-footer a {
  color: #c6d7ec;
  font-size: var(--fs-sm);
}

.site-footer a:hover {
  color: #ffffff;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer li {
    margin-bottom: var(--space-2);
}

.brand-list {
  display: grid;
  gap: var(--space-3);
}

.brand-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: #c6d7ec;
  font-size: var(--fs-sm);
}

.brand-item img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 8px;
  padding: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: var(--space-6) 0;
  font-size: var(--fs-xs);
  color: #b0c7e4;
  text-align: center;
}

/* REVEAL */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* UTILITIES */
.text-center {
  text-align: center;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-4); }

/* CARS GRID PAGE DETAIL */
.cars-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); margin-top: var(--space-6); }
.car-card { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; display: flex; transition: 0.3s; flex-direction: row; }
.car-img-wrapper { position: relative; width: 220px; flex-shrink: 0; background: var(--color-surface-soft); overflow: hidden; }
.car-img-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.car-card:hover .car-img-wrapper img { transform: scale(1.05); }
.car-badge { position: absolute; top: 12px; left: 12px; background: var(--color-primary); color: white; padding: 4px 10px; border-radius: var(--radius-sm); font-size: 10px; font-weight: 700; text-transform: uppercase; z-index: 10; }
.car-details { padding: var(--space-5); flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
.car-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--space-2); }
.car-price-sm { color: var(--color-text-muted); font-size: var(--fs-xs); }
.car-price-sm strong { color: var(--color-secondary); font-size: 1.25rem; }
.car-specs { display: flex; gap: var(--space-4); font-size: var(--fs-xs); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.car-specs span { display: flex; align-items: center; gap: var(--space-1); }

.car-total-est {
    background: var(--color-surface-soft);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-secondary);
}

/* RESPONSIVE */
@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .detail-layout {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .sticky {
    position: sticky;
    top: 96px;
  }

  .footer-columns {
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  }
}

@media (max-width: 899px) {
  .nav-links {
    gap: var(--space-2);
  }

  .nav-links a {
    padding: 0.45rem 0.6rem;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .hero {
    padding-top: var(--space-12);
  }
}

@media (max-width: 768px) {
    .car-card { flex-direction: column; }
    .car-img-wrapper { width: 100%; height: 200px; }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 1.2rem, var(--container));
  }

  .navbar {
    min-height: 68px;
  }

  h1 {
    font-size: clamp(1.8rem, 7.2vw, 2.4rem);
  }

  h2 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .card,
  .panel,
  .hero-card,
  .search-form {
    padding: var(--space-5);
  }

  .btn,
  button[type="submit"],
  .cta {
    width: 100%;
  }
}