/* =========================
   BUTTONS
========================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  min-height: 48px;
  padding: 0 var(--space-5);

  border-radius: var(--radius-md);
  border: 1px solid transparent;

  font-weight: 700;
  font-size: var(--text-body-sm);

  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary-600);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: #fff;
  color: var(--color-text-900);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-700);
}

.btn-ghost:hover {
  color: var(--color-primary-600);
}

/* =========================
   HEADER
========================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;

  height: var(--header-height);

  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229,231,235,0.8);
}

.site-header-inner {
  height: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);

  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo-mark {
  width: 44px;
  height: 44px;

  display: grid;
  place-items: center;

  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-400));
  color: #fff;

  font-size: 13px;
  font-weight: 800;
}

.logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-main {
  font-size: 21px;
}

.logo-sub {
  margin-top: 3px;

  color: var(--color-text-500);

  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.main-nav a {
  color: var(--color-text-700);

  font-size: 15px;
  font-weight: 600;

  transition: var(--transition-fast);
}

.main-nav a:hover {
  color: var(--color-primary-600);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-link {
  width: 44px;
  height: 44px;

  display: grid;
  place-items: center;

  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;

  color: var(--color-text-700);

  transition: var(--transition-fast);
}

.icon-link:hover {
  color: var(--color-primary-600);
  border-color: var(--color-primary-300);
}

/* =========================
   FORMS
========================= */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  color: var(--color-text-500);

  font-size: var(--text-caption);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-field input,
.form-field select {
  width: 100%;
  height: 52px;

  padding: 0 var(--space-4);

  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);

  background: #fff;
  color: var(--color-text-900);

  outline: none;
  transition: var(--transition-fast);
}

.form-field input:focus,
.form-field select:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}

/* =========================
   TABS
========================= */

.tabs {
  display: inline-flex;
  gap: var(--space-1);

  padding: var(--space-1);

  border-radius: 999px;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
}

.tab {
  padding: 10px 16px;

  border-radius: 999px;

  color: var(--color-text-500);

  font-size: var(--text-body-sm);
  font-weight: 700;

  transition: var(--transition-fast);
}

.tab.is-active {
  background: #fff;
  color: var(--color-primary-600);
  box-shadow: var(--shadow-sm);
}

/* =========================
   CARDS
========================= */

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.card-soft {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.vehicle-card {
  overflow: hidden;

  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);

  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.vehicle-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-lg);
}

.vehicle-card-image {
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, #dbeafe, #f8fafc);
}

.vehicle-card-body {
  padding: var(--space-5);
}

.vehicle-card-title {
  margin-top: var(--space-3);

  font-size: 20px;
  line-height: 1.25;
}

.vehicle-card-price {
  margin-top: var(--space-3);

  color: var(--color-text-900);

  font-size: 24px;
  font-weight: 800;
}

.vehicle-card-meta {
  margin-top: var(--space-2);

  color: var(--color-text-500);
  font-size: var(--text-body-sm);
}

/* =========================
   BADGES / CHIPS
========================= */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);

  padding: 7px 10px;

  border-radius: 999px;

  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.badge-blue {
  background: rgba(37,99,235,0.10);
  color: var(--color-primary-600);
}

.badge-green {
  background: rgba(22,163,74,0.10);
  color: var(--color-success);
}

.badge-yellow {
  background: rgba(245,158,11,0.12);
  color: #b45309;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);

  min-height: 38px;
  padding: 0 var(--space-4);

  border-radius: 999px;
  border: 1px solid var(--color-border);

  background: #fff;
  color: var(--color-text-700);

  font-size: var(--text-body-sm);
  font-weight: 700;

  transition: var(--transition-fast);
}

.chip:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
}

/* =========================
   SECTION HEADERS
========================= */

.section-header {
  max-width: 760px;
  margin-bottom: var(--space-10);
}

.eyebrow {
  margin-bottom: var(--space-3);

  color: var(--color-primary-600);

  font-size: var(--text-caption);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-subtitle {
  margin-top: var(--space-4);

  max-width: 640px;

  color: var(--color-text-500);
  font-size: var(--text-body-lg);
}

/* =========================
   TRUST STRIP
========================= */

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.trust-item {
  padding: var(--space-5);

  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.trust-item strong {
  display: block;

  color: var(--color-text-900);
  font-size: 18px;
}

.trust-item span {
  display: block;
  margin-top: var(--space-1);

  color: var(--color-text-500);
  font-size: var(--text-body-sm);
}

/* =========================
   FOOTER
========================= */

.site-footer {
  padding: var(--space-10) 0;

  background: #fff;
  border-top: 1px solid var(--color-border);
}

.site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  color: var(--color-text-500);
  font-size: var(--text-body-sm);
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--color-primary-600);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

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

@media (max-width: 640px) {
  .site-header {
    height: 72px;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
  }

  .header-actions .icon-link {
    display: none;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}