/* Custom Premium Design System for CARSTYLE */
/* Google Fonts are loaded from <head> so they don't chain behind this file. */

/* Respect user's motion preferences globally */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:root {
  --bg-deep: #080808;
  --bg-card: #121212;
  --bg-card-hover: #181818;
  --accent-red: #D90429;
  --accent-red-glow: rgba(217, 4, 41, 0.4);
  --text-white: #FFFFFF;
  --text-gray: #B8B8B8;
  --text-dark: #666666;
  --border-glow: rgba(255, 255, 255, 0.05);
  --border-glow-hover: rgba(217, 4, 41, 0.2);
}

body.light-theme,
html.light-theme body {
  --bg-deep: #F5F5F7;
  --bg-card: #FFFFFF;
  --bg-card-hover: #EAEAEA;
  --text-white: #080808;
  --text-gray: #4A4A4A;
  --text-dark: #8E8E93;
  --border-glow: rgba(0, 0, 0, 0.08);
  --border-glow-hover: rgba(217, 4, 41, 0.3);
}

/* ==================================================================
   LIGHT THEME — Tailwind utility overrides
   Tailwind's CDN resolves utility classes (text-white, bg-deepNoir,
   border-white/5...) to hard-coded colors. We re-map them here so the
   site stays readable when the user toggles to light mode.
   The brand red (#D90429) is preserved as the signature color.
   ================================================================== */
body.light-theme .text-white,
body.light-theme .text-pureWhite {
  color: #0a0a0a !important;
}
body.light-theme .text-metallicGray {
  color: #4A4A4A !important;
}

/* Dark backgrounds become light */
body.light-theme .bg-deepNoir,
body.light-theme .bg-deepNoir\/80,
body.light-theme .bg-deepNoir\/70,
body.light-theme .bg-deepNoir\/60,
body.light-theme .bg-deepNoir\/50,
body.light-theme .bg-deepNoir\/40,
body.light-theme .bg-deepNoir\/30,
body.light-theme .bg-deepNoir\/20,
body.light-theme .bg-deepNoir\/10 {
  background-color: #F5F5F7 !important;
}
body.light-theme .bg-anthracite,
body.light-theme .bg-anthracite\/30,
body.light-theme .bg-anthracite\/20,
body.light-theme .bg-anthracite\/10,
body.light-theme .bg-anthracite\/5 {
  background-color: #FFFFFF !important;
}

/* Translucent white backgrounds -> translucent dark in light mode */
body.light-theme .bg-white\/5  { background-color: rgba(0, 0, 0, 0.04) !important; }
body.light-theme .bg-white\/10 { background-color: rgba(0, 0, 0, 0.06) !important; }
body.light-theme .bg-white\/20 { background-color: rgba(0, 0, 0, 0.10) !important; }
body.light-theme .bg-white\/70 { background-color: rgba(255, 255, 255, 0.85) !important; }

/* Borders: translucent white -> translucent dark */
body.light-theme .border-white,
body.light-theme .border-white\/5,
body.light-theme .border-white\/6,
body.light-theme .border-white\/10,
body.light-theme .border-white\/20 {
  border-color: rgba(0, 0, 0, 0.10) !important;
}
body.light-theme .border-b.border-white\/5,
body.light-theme .border-t.border-white\/5,
body.light-theme .border.border-white\/5 {
  border-color: rgba(0, 0, 0, 0.08) !important;
}

/* Hero / comparison gradients (from-anthracite, to-deepNoir) */
body.light-theme .from-anthracite {
  --tw-gradient-from: #FFFFFF var(--tw-gradient-from-position) !important;
  --tw-gradient-to: rgba(255, 255, 255, 0) var(--tw-gradient-to-position) !important;
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to) !important;
}
body.light-theme .to-deepNoir {
  --tw-gradient-to: #F5F5F7 var(--tw-gradient-to-position) !important;
}

/* Subtle text inversion for inputs */
body.light-theme input,
body.light-theme textarea,
body.light-theme select {
  color: #0a0a0a;
  background-color: #FFFFFF;
}

/* Premium card softer shadow in light mode */
body.light-theme .premium-card {
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.5);
}

/* Secondary hero button visible in light */
body.light-theme .hero-btn-secondary {
  background: rgba(0, 0, 0, 0.04) !important;
  color: #0a0a0a !important;
  border-color: rgba(0, 0, 0, 0.15) !important;
}

/* WhatsApp button stays green */
body.light-theme .whatsapp-float {
  background-color: #25D366 !important;
  color: #fff !important;
}

/* Theme toggle button visible in light */
body.light-theme [data-theme-toggle] {
  background: rgba(0, 0, 0, 0.05) !important;
  color: #0a0a0a !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
}

/* Subtle gray text in light */
body.light-theme .text-metallicGray\/60,
body.light-theme .text-metallicGray\/65,
body.light-theme .text-metallicGray\/70,
body.light-theme .text-metallicGray\/80 {
  color: #6A6A6A !important;
}

/* Header backdrop (bg-deepNoir/80) on the hero */
body.light-theme header.bg-deepNoir\/80,
body.light-theme .bg-deepNoir\/80 {
  background-color: rgba(245, 245, 247, 0.85) !important;
}

/* Comparison slider handle */
body.light-theme .slider-handle-button { color: #FFFFFF; }

/* Trust indicator divider */
body.light-theme .trust-divider { background: rgba(0, 0, 0, 0.1); }

/* Brand red CTA: keep red bg, force WHITE text (override) */
body.light-theme .bg-brandRed,
body.light-theme .hover\:bg-red-700:hover,
body.light-theme .btn-premium.bg-brandRed,
body.light-theme .hero-btn-primary,
body.light-theme .hero-cta-red {
  color: #FFFFFF !important;
}

/* Logo "STYLE" portion stays red in both themes (brand identity) */
body.light-theme .text-brandRed { color: #D90429 !important; }

/* Hover state for social icons in light mode */
body.light-theme .text-metallicGray:hover { color: #D90429 !important; }

/* Footer & section dividers (border-t / border-b border-white/5) handled above */

/* ============================================================ */

body {
  background-color: var(--bg-deep);
  color: var(--text-white);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
}

/* Premium Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: 4px;
  border: 2px solid var(--bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-red);
}

/* Glassmorphism Card Effect */
.premium-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  contain: layout style;
}

.premium-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow-hover);
  box-shadow: 0 12px 40px 0 rgba(217, 4, 41, 0.08);
  transform: translateY(-5px);
}

/* Glowing text & buttons */
.text-glow-red {
  text-shadow: 0 0 10px var(--accent-red-glow);
}

.btn-premium {
  position: relative;
  overflow: hidden;
  transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.btn-premium::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.1) 30%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.1) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-25deg) translateX(-100%);
  transition: none;
}

.btn-premium:hover::after {
  transform: skewX(-25deg) translateX(100%);
  transition: all 0.8s ease-in-out;
}

/* Before / After Slider Styles */
.comparison-slider {
  position: relative;
  overflow: hidden;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-glow);
}

.comparison-slider img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.image-after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.image-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background-color: var(--accent-red);
  cursor: ew-resize;
  transform: translateX(-50%);
  z-index: 10;
  box-shadow: 0 0 10px var(--accent-red-glow);
}

.slider-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background-color: var(--accent-red);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--accent-red-glow);
  font-weight: bold;
  pointer-events: none;
}

/* WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 999;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

/* Badge style */
.badge-red {
  background-color: rgba(217, 4, 41, 0.1);
  color: var(--accent-red);
  border: 1px solid rgba(217, 4, 41, 0.3);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

/* =============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================= */

header {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* will-change is only promised while an animation is actually about to run:
   a permanent promise keeps a compositor layer alive for every card/image. */
.premium-card:hover,
.premium-card:hover img,
.whatsapp-float:hover,
.btn-premium:hover {
  will-change: transform;
}

.comparison-slider.is-dragging .slider-handle,
.comparison-slider.is-dragging .image-before {
  will-change: left, clip-path;
}

.swiper-slide {
  contain: layout style;
}

/* Testimonials: Swiper's own `.swiper-slide { height: 100% }` collapses each
   slide onto its own content, which staggers the cards, and `.swiper { padding: 0 }`
   drops the room reserved for the pagination. Two-class selectors are needed to
   win over swiper-bundle.min.css, loaded after this file. */
.swiper.testimonials-swiper {
  padding-bottom: 3rem;
}

.testimonials-swiper .swiper-wrapper {
  align-items: stretch;
}

.testimonials-swiper .swiper-slide {
  display: flex;
  height: auto;
}

.premium-card .overflow-hidden img {
  transition: transform 0.5s ease;
}