/* ============================================================
   Alvez Auto — site.css
   All values reference Klise semantic aliases, never base ramps.
   ============================================================ */

/* ---------- Fluid type scale ---------- */
:root {
  --fs-display-fluid: clamp(40px, 7vw, 64px);
  --lh-display-fluid: 1.06;
  --fs-title-fluid: clamp(28px, 4.5vw, 40px);
  --fs-headline-fluid: clamp(20px, 2.8vw, 26px);
  --fs-body-lg-fluid: clamp(17px, 1.8vw, 19px);
  --fs-body-fluid: clamp(16px, 1.6vw, 18px);

  --content-max: 960px;
  --gutter-fluid: clamp(16px, 4vw, 48px);
  --section-pad-y: clamp(64px, 10vw, 120px);

  /* Hero is always on a dark overlay regardless of theme.
     These are site-specific values, not base-ramp references. */
  --hero-text: #F2F1EC;
  --hero-text-secondary: rgba(242, 241, 236, 0.78);
  --hero-accent: #E0C88F;
  --hero-border: rgba(255, 255, 255, 0.30);
  --hero-overlay-top: rgba(30, 34, 36, 0.60);
  --hero-overlay-side: rgba(30, 34, 36, 0.35);
}

/* ---------- Base reset ---------- */
html { scroll-behavior: smooth; }
body { margin: 0; }

/* ---------- Container ---------- */
.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter-fluid);
}

/* ---------- Section ---------- */
.section {
  padding-block: var(--section-pad-y);
}
.section--sunken {
  background: var(--surface-sunken);
}

.section__head {
  max-width: 600px;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section__overline {
  font: var(--type-overline);
  letter-spacing: var(--ls-overline);
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
}
.section__title {
  font: 700 var(--fs-title-fluid)/1.15 var(--font-sans);
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0 0 12px;
}
.section__lead {
  font: var(--fw-regular) var(--fs-body-lg-fluid)/1.4 var(--font-sans);
  color: var(--text-secondary);
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: var(--fw-semibold) 15px/1 var(--font-sans);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard),
              transform var(--dur-instant) var(--ease-standard);
  text-decoration: none;
  border: 1px solid transparent;
  padding: 0 18px;
  height: 44px;
  min-height: var(--hit-min);
}
.btn--lg {
  height: 52px;
  padding: 0 22px;
  font-size: 17px;
  border-radius: var(--radius-field);
}
.btn--block {
  display: flex;
  width: 100%;
}
.btn--primary {
  background: var(--brand);
  color: var(--text-on-brand);
}
.btn--primary:hover { background: var(--brand-hover); }
.btn--primary:active { transform: scale(var(--press-scale)); }

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn--outline:hover { background: var(--surface-sunken); }

.btn--tonal {
  background: var(--surface-sunken);
  color: var(--text-primary);
  border-color: var(--border-card);
}
.btn--tonal:hover { background: var(--surface-tile); }

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* ---------- Card ---------- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font: var(--fw-medium) 13px/1 var(--font-sans);
  padding: 0 12px;
  height: 28px;
  border-radius: var(--radius-chip);
}
.badge--positive {
  background: var(--positive-soft);
  color: var(--text-positive);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--surface-nav);
  backdrop-filter: var(--blur-nav);
  -webkit-backdrop-filter: var(--blur-nav);
  border-bottom: 1px solid var(--border-hairline);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font: var(--fw-semibold) 17px/1 var(--font-sans);
  color: var(--text-primary);
  text-decoration: none;
}
.nav__logo {
  width: 22px;
  height: 22px;
  color: var(--text-brand);
}
.nav__links {
  display: flex;
  gap: 28px;
}
.nav__links a {
  font: var(--fw-medium) 15px/1 var(--font-sans);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
.nav__links a:hover {
  color: var(--text-primary);
}

/* Theme toggle */
.nav__theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--hit-min);
  height: var(--hit-min);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast) var(--ease-standard),
              background var(--dur-fast) var(--ease-standard);
}
.nav__theme-toggle:hover {
  color: var(--text-primary);
  background: var(--surface-sunken);
}
.nav__theme-toggle:active {
  transform: scale(var(--press-scale));
}
.theme-toggle__icon {
  width: 20px;
  height: 20px;
  position: absolute;
  transition: opacity var(--dur-fast) var(--ease-standard);
}
.nav__theme-toggle { position: relative; }
.theme-toggle__icon--moon { opacity: 1; }
.theme-toggle__icon--sun { opacity: 0; }
[data-theme="dark"] .theme-toggle__icon--moon { opacity: 0; }
[data-theme="dark"] .theme-toggle__icon--sun { opacity: 1; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-image: url("https://imgcdn.oto.com/large/gallery/interior/110/2725/wuling-alvez-dashboard-view-355360.jpg");
  background-size: cover;
  background-position: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--hero-overlay-top) 0%, transparent 40%, var(--surface-page) 100%),
    linear-gradient(90deg, var(--hero-overlay-side) 0%, transparent 50%);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding-block: 120px;
}
.hero__overline {
  font: var(--type-overline);
  letter-spacing: var(--ls-overline);
  text-transform: uppercase;
  color: var(--hero-accent);
  margin: 0 0 16px;
}
.hero__icons {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}
.hero__icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
}
.hero__title {
  font: 700 var(--fs-display-fluid)/var(--lh-display-fluid) var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--hero-text);
  margin: 0 0 20px;
}
.hero__subtitle {
  font: var(--fw-regular) var(--fs-body-lg-fluid)/1.4 var(--font-sans);
  color: var(--hero-text-secondary);
  margin: 0 0 32px;
  max-width: 480px;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero__actions .btn--outline {
  color: var(--hero-text);
  border-color: var(--hero-border);
}
.hero__actions .btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-12);
}
.step {
  padding: var(--space-12);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step__num {
  font: var(--fw-semibold) 13px/1 var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.step__title {
  font: var(--fw-headline) var(--fs-headline-fluid)/1.25 var(--font-sans);
  color: var(--text-primary);
  margin: 0;
}
.step__desc {
  font: var(--type-body);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}
.step__icon-tile {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-tile);
  background: var(--surface-tint-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-brand);
}
.step__icon-tile svg {
  width: 24px;
  height: 24px;
}
.step__icon-tile--wheel svg {
  width: 28px;
  height: 28px;
}
.step .badge { align-self: flex-start; }

/* ---------- Info grid ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-12);
}
.info-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--card-pad-y) var(--card-pad-x);
}
.info-card__head {
  display: flex;
  align-items: center;
  gap: 8px;
}
.info-card__icon {
  width: 20px;
  height: 20px;
  color: var(--text-brand);
  flex-shrink: 0;
}
.info-card__title {
  font: var(--type-label);
  color: var(--text-muted);
  margin: 0;
}
.info-card__value {
  font: var(--fw-medium) var(--fs-body-lg-fluid)/1.3 var(--font-sans);
  color: var(--text-primary);
  margin: 0;
}

/* ---------- Pricing ---------- */
.pricing-card {
  max-width: 480px;
  margin-inline: auto;
  padding: clamp(32px, 5vw, 48px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
.pricing-card__amount {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.pricing-card__promo {
  font: 700 var(--fs-display-fluid)/1.06 var(--font-sans);
  letter-spacing: -0.02em;
  color: var(--text-brand);
}
.pricing-card__regular {
  font: var(--fw-medium) var(--fs-body-lg-fluid)/1 var(--font-sans);
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}
.pricing-card__save { margin-left: 4px; }
.pricing-card__per {
  font: var(--type-body);
  color: var(--text-secondary);
  margin: 0;
}
.pricing-card__note {
  font: var(--type-overline);
  letter-spacing: var(--ls-overline);
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}
.pricing-card__cta {
  margin-top: 16px;
  align-self: center;
}

/* ---------- Booking ---------- */
.booking-form {
  max-width: 540px;
  padding: clamp(24px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.booking-form__group {
  border: none;
  padding: 0;
  margin: 0;
}
.booking-form__legend {
  font: var(--type-label);
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding: 0;
}

/* Slot grid */
.slot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 8px;
  border-radius: var(--radius-field);
  border: 1px solid var(--border-strong);
  background: var(--surface-card);
  cursor: pointer;
  min-height: var(--hit-min);
  transition: background var(--dur-fast) var(--ease-standard),
              border-color var(--dur-fast) var(--ease-standard),
              transform var(--dur-instant) var(--ease-standard);
  font-family: var(--font-sans);
}
.slot:hover { background: var(--surface-sunken); }
.slot:active { transform: scale(var(--press-scale)); }
.slot--selected {
  background: var(--surface-tint-brand);
  border-color: var(--brand);
}
.slot__day {
  font: var(--fw-semibold) 13px/1 var(--font-sans);
  color: var(--text-muted);
}
.slot--selected .slot__day { color: var(--text-brand); }
.slot__date {
  font: var(--fw-semibold) 17px/1.2 var(--font-sans);
  color: var(--text-primary);
}
.slot__left {
  font: var(--fw-medium) 12px/1 var(--font-mono);
  color: var(--text-muted);
}
.slot--full {
  opacity: 0.35;
  cursor: not-allowed;
}
.slot--full .slot__date { text-decoration: line-through; }
.slot:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Form fields */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field__label {
  font: var(--type-label);
  color: var(--text-secondary);
}
.field__input {
  height: var(--hit-min);
  padding: 0 16px;
  border-radius: var(--radius-field);
  border: 1px solid var(--border-hairline);
  background: var(--surface-card);
  color: var(--text-primary);
  font: var(--fs-body-fluid)/1.4 var(--font-sans);
  transition: border-color var(--dur-fast) var(--ease-standard);
  width: 100%;
  appearance: none;
}
.field__input:focus {
  outline: none;
  border-color: var(--border-focus);
}
.field__input::placeholder {
  color: var(--text-faint);
}
select.field__input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%236E7477' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

/* ---------- FAQ ---------- */
.faq {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
}
.faq__item {
  border-bottom: 1px solid var(--border-hairline);
}
.faq__item:first-child {
  border-top: 1px solid var(--border-hairline);
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  font: var(--fw-medium) var(--fs-body-lg-fluid)/1.3 var(--font-sans);
  color: var(--text-primary);
  list-style: none;
  user-select: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__chevron {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-standard);
}
.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
}
.faq__a {
  padding: 0 0 20px;
  font: var(--type-body);
  color: var(--text-secondary);
  line-height: 1.5;
}
.faq__a p { margin: 0; }

/* ---------- Footer ---------- */
.footer {
  padding-block: 48px;
  border-top: 1px solid var(--border-hairline);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.footer__brand {
  font: var(--fw-semibold) 16px/1 var(--font-sans);
  color: var(--text-primary);
}
.footer__text {
  font: var(--type-body-sm);
  color: var(--text-secondary);
  margin: 0;
}
.footer__copy {
  font: var(--type-caption);
  color: var(--text-faint);
  margin: 8px 0 0;
}

/* ---------- Section scroll offset ---------- */
section[id] {
  scroll-margin-top: var(--nav-height);
}

/* ---------- Responsive: mobile nav ---------- */
@media (max-width: 600px) {
  .nav__links {
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav__links::-webkit-scrollbar { display: none; }
  .nav__links a {
    font-size: 13px;
    white-space: nowrap;
  }
  .slot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .hero__icon {
    width: 28px;
    height: 28px;
  }
  .pricing-card__amount {
    align-items: flex-start;
    justify-content: flex-start;
  }
}