/* CARFAST — premium industrial theme for Bootstrap 5.3 (server-rendered Django templates)
   Palette: black / red / white + neutral grays for borders/surfaces */

:root {
  /* Legacy aliases (keep existing CSS stable) */
  --brand-black: var(--bg);
  --brand-red: var(--accent);
  --brand-white: var(--text);

  --muted-2: rgba(244, 246, 248, 0.56);

  --radius-lg: var(--radius-card);
  --radius-md: calc(var(--radius-card) - 2px);
  --radius-sm: var(--radius-control);

  --shadow-soft: var(--shadow);
  --shadow-line: 0 0 0 1px var(--border);

  /* Bootstrap overrides (global) */
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-body-color-rgb: var(--text-rgb);

  --bs-emphasis-color: var(--text);
  --bs-secondary-color: var(--muted);
  --bs-tertiary-color: var(--muted-2);
  --bs-heading-color: var(--text);

  --bs-border-color: var(--border);
  --bs-border-color-translucent: var(--border-12);

  --bs-link-color: var(--link);
  --bs-link-hover-color: var(--accent);

  --bs-danger: var(--accent);
  --bs-danger-rgb: var(--accent-rgb);

  --bs-secondary-bg: var(--surface);
  --bs-tertiary-bg: var(--surface-2);

  --bs-focus-ring-color: var(--accent-35);
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Inter", Arial, sans-serif;
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  letter-spacing: 0.01em;
}

::selection {
  background: var(--accent-35);
  color: var(--brand-white);
}

a {
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand-red);
}

:where(a, .btn, .card, .dropdown-menu, .accordion-button, .form-control, .form-select, .page-link) {
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease,
    box-shadow 180ms ease, transform 180ms ease;
}

/* Helpers */
.bg-black {
  background-color: var(--brand-black) !important;
}

.text-accent {
  color: var(--brand-red) !important;
}

.link-muted {
  color: var(--muted) !important;
  text-decoration: none;
}

.link-accent-hover:hover,
.link-accent-hover:focus {
  color: var(--brand-red) !important;
}

.link-muted.link-accent-hover:hover,
.link-muted.link-accent-hover:focus {
  color: var(--brand-red) !important;
}

.link-muted:focus-visible {
  outline: none;
  box-shadow: 0 0 0 0.2rem var(--accent-22);
  border-radius: 0.25rem;
}

.border-accent {
  border-color: var(--accent-70) !important;
}

.badge-accent {
  background: var(--accent-12);
  border: 1px solid var(--accent-55);
  color: var(--brand-white);
}

.hr-dim {
  border: 0;
  border-top: 1px solid var(--border);
  opacity: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1035;
}

.site-topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-link {
  color: var(--muted);
  text-decoration: none;
}

.topbar-link:hover,
.topbar-link:focus {
  color: var(--brand-white);
}

.topbar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  text-decoration: none;
}

.topbar-icon--lg {
  width: 48px;
  height: 48px;
  border-radius: 16px;
}

.topbar-icon:hover,
.topbar-icon:focus {
  color: var(--brand-white);
  border-color: var(--accent-55);
  background: var(--accent-12);
}

.topbar-icon:focus-visible {
  outline: none;
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

.brand-mark {
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-sub {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.9rem;
}

/* Surfaces */
.surface,
.surface-2,
.card-dark {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.surface {
  background: var(--surface);
  padding: 1.25rem;
}

.surface-2 {
  background: var(--surface-2);
}

.surface.surface--tight {
  padding: 1rem;
}

/* Cards */
.card,
.card-dark {
  background: var(--surface);
  color: var(--brand-white);
  border-color: var(--border);
}

.card .text-muted,
.card-dark .text-muted {
  color: var(--muted) !important;
}

.card:hover,
.card-dark:hover {
  transform: translateY(-2px);
  border-color: var(--accent-55);
  box-shadow: var(--shadow-line), var(--shadow-soft);
}

.card-img-top {
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

/* Buttons */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.btn-lg {
  padding: 0.9rem 1.2rem;
}

.btn-accent {
  --bs-btn-color: var(--brand-white);
  --bs-btn-bg: var(--brand-red);
  --bs-btn-border-color: var(--brand-red);
  --bs-btn-hover-color: var(--brand-white);
  --bs-btn-hover-bg: var(--brand-red);
  --bs-btn-hover-border-color: var(--brand-red);
  --bs-btn-active-bg: var(--brand-red);
  --bs-btn-active-border-color: var(--brand-red);
  --bs-btn-focus-shadow-rgb: var(--accent-rgb);
}

.btn-accent:hover,
.btn-accent:focus {
  filter: brightness(1.06);
}

.btn-accent:active {
  filter: brightness(0.92);
}

.btn-ghost {
  --bs-btn-color: var(--brand-white);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--accent-80);
  --bs-btn-hover-color: var(--brand-white);
  --bs-btn-hover-bg: var(--accent-12);
  --bs-btn-hover-border-color: var(--brand-red);
  --bs-btn-active-bg: var(--accent-18);
  --bs-btn-active-border-color: var(--brand-red);
  --bs-btn-focus-shadow-rgb: var(--accent-rgb);
}

.btn-outline-danger {
  --bs-btn-color: var(--brand-white);
  --bs-btn-border-color: var(--accent-80);
  --bs-btn-hover-bg: var(--accent-12);
  --bs-btn-hover-border-color: var(--brand-red);
  --bs-btn-hover-color: var(--brand-white);
  --bs-btn-active-bg: var(--accent-18);
  --bs-btn-active-border-color: var(--brand-red);
}

/* Forms (dark) */
.form-control,
.form-select,
.form-check-input,
.form-control:disabled,
.form-select:disabled {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--brand-white);
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.form-control:focus,
.form-select:focus {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: var(--accent-75);
  box-shadow: 0 0 0 0.2rem var(--accent-22);
  color: var(--brand-white);
}

/* Catalog filters: make native <select> dropdown readable on Windows/Chrome */
.catalog-filters .form-select {
  color: #fff;
  border-color: rgba(0, 0, 0, 0.9);
  background-color: rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

.catalog-filters .form-select:hover {
  border-color: var(--accent-75);
}

.catalog-filters .form-select:focus {
  border-color: var(--brand-red);
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

.catalog-filters .form-select option {
  background: #0b0b0b;
  color: #fff;
}

.catalog-filters .form-select option:checked {
  background: var(--brand-red);
  color: #fff;
}

/* Catalog filters: custom dropdown (cf-select) */
.catalog-filters .cf-select__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  padding: 0.55rem 0.75rem;
  text-align: left;
  background-color: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: 1px solid var(--brand-red);
  border-radius: var(--radius-sm);
}

.catalog-filters .cf-select__btn:hover {
  border-color: var(--accent-75);
}

.catalog-filters .cf-select__btn:focus,
.catalog-filters .cf-select__btn:focus-visible {
  outline: none;
  border-color: var(--brand-red);
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

.catalog-filters .cf-select__menu {
  background: #0b0b0b;
  border: 1px solid var(--brand-red);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-line), var(--shadow-soft);
}

.catalog-filters .cf-select__menu .dropdown-item {
  color: #fff;
  cursor: pointer;
}

.catalog-filters .cf-select__menu .dropdown-item:hover,
.catalog-filters .cf-select__menu .dropdown-item:focus {
  color: #fff;
  background: var(--accent-18);
}

.catalog-filters .cf-select__menu .dropdown-item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

.catalog-filters .cf-select__menu .dropdown-item.active,
.catalog-filters .cf-select__menu .dropdown-item:active {
  background: var(--brand-red);
  color: #fff;
}

.form-check-input:checked {
  background-color: var(--brand-red);
  border-color: var(--brand-red);
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

/* Navbar / dropdown */
.navbar {
  border-bottom: 1px solid var(--border);
}

.navbar .nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 600;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: var(--brand-red);
}

.navbar .nav-link.active,
.navbar .nav-link.active:hover,
.navbar .nav-link.active:focus {
  color: var(--brand-white);
  background: var(--accent-12);
  box-shadow: inset 0 0 0 1px var(--accent-55);
  border-radius: 12px;
}

.dropdown-menu {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.5rem;
}

.dropdown-item {
  color: rgba(255, 255, 255, 0.82);
  border-radius: 10px;
  font-weight: 600;
}

.dropdown-item:hover,
.dropdown-item:focus {
  color: var(--brand-white);
  background: var(--accent-12);
}

.dropdown-item.active,
.dropdown-item:active {
  background: var(--accent-18);
}

/* Badges */
.badge {
  border: 1px solid var(--border);
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* Accordion */
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-button {
  background: var(--surface-2);
  color: var(--brand-white);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.accordion-button:not(.collapsed) {
  background: var(--surface-2);
  color: var(--brand-white);
  box-shadow: inset 0 -1px 0 var(--border);
}

.accordion-button:focus {
  border-color: var(--accent-75);
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

.accordion-body {
  color: var(--muted);
}

/* Pagination */
.page-link {
  background: transparent;
  border-color: var(--border);
  color: rgba(255, 255, 255, 0.82);
  border-radius: 12px;
}

.page-link:hover {
  background: var(--accent-12);
  border-color: var(--accent-55);
  color: var(--brand-white);
}

.page-item.active .page-link {
  background: var(--accent-18);
  border-color: var(--accent-75);
  color: var(--brand-white);
}

/* List group (legacy blocks, e.g. specs) */
.list-group-item {
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  border-color: var(--border);
}

/* Alerts */
.alert {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

/* Media frames (maps/embeds/placeholders) */
.frame-dark {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

/* Brand logos */
.brand-logo-plate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 88px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.brand-logo {
  max-width: 180px;
  max-height: 60px;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.brand-logo--mono {
  filter: grayscale(100%) brightness(1.6) contrast(1.05);
  opacity: 0.95;
}

.brand-logo-plate--empty {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

/* Home/brand benefit cards: clickable + focusable (buttons styled as cards) */
.brand-benefit-card,
.benefit-card {
  display: block;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.benefit-card {
  appearance: none;
  border: none;
  background: transparent;
}

.benefit-card.card-dark {
  border: 1px solid var(--border);
  background: var(--surface);
}

.benefit-card.card-dark:hover {
  transform: translateY(-2px);
  border-color: var(--accent-55);
  box-shadow: var(--shadow-line), var(--shadow-soft);
}

.brand-benefit-card:focus-visible,
.benefit-card:focus-visible {
  outline: none;
  box-shadow: 0 0 0 0.2rem var(--accent-22);
}

.benefit-card.card-dark:focus-visible {
  border-color: var(--brand-red);
}

/* Footer links (avoid bootstrap-blue defaults) */
footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover,
footer a:focus {
  color: var(--brand-red);
}

footer a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 0.2rem var(--accent-22);
  border-radius: 0.25rem;
}

/* Icon-only buttons (for messengers, etc.) */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  padding: 0;
}

.btn-icon svg {
  display: block;
}

/* Mobile sticky CTA bar */
.mobile-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1030;
  padding: 0.75rem 0;
  background: rgba(11, 11, 14, 0.92);
  border-top: 1px solid var(--border);
}

@supports ((-webkit-backdrop-filter: blur(10px)) or (backdrop-filter: blur(10px))) {
  .mobile-sticky-cta {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}

.mobile-sticky-cta .btn {
  padding-top: 0.78rem;
  padding-bottom: 0.78rem;
}

.mobile-sticky-cta .btn-icon {
  width: 54px;
  height: 54px;
  padding: 0;
}

@media (max-width: 767.98px) {
  body.has-mobile-sticky-cta {
    padding-bottom: calc(92px + env(safe-area-inset-bottom));
  }

  .mobile-sticky-cta {
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
  }
}