/* ============================================
   THRILL BICYCLE — Design System v2.0
   Premium Dark Theme
   ============================================ */

/* ---------- CSS Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* ---------- Design Tokens ---------- */
:root {
  --color-bg: #f5f5f7;
  --color-surface: #ffffff;
  --color-surface-2: #f0f0f2;
  --color-surface-3: #e5e5ea;
  --color-accent: #B92033;
  --color-accent-light: #d42a3f;
  --color-accent-glow: rgba(185, 32, 51, 0.15);
  --color-text: #1d1d1f;
  --color-text-secondary: #555555;
  --color-text-muted: #888888;
  --color-border: rgba(0,0,0,0.08);
  --color-white: #1d1d1f;
  --color-black: #ffffff;
  --color-success: #22c55e;
  --color-warning: #f59e0b;

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-hero: clamp(2.5rem, 6vw, 5rem);

  --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;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px var(--color-accent-glow);

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0,0,0,0.06);
  --glass-blur: blur(20px);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  --navbar-height: 72px;
  --container-max: 1280px;
  --container-padding: var(--space-6);
}

/* ---------- Dark Theme Override ---------- */
[data-theme="dark"] {
  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-2: #1a1a1a;
  --color-surface-3: #222222;
  --color-accent: #B92033;
  --color-accent-light: #d42a3f;
  --color-accent-glow: rgba(185, 32, 51, 0.25);
  --color-text: #f0f0f0;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #666;
  --color-border: rgba(255,255,255,0.07);
  --color-white: #ffffff;
  --color-black: #000000;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 30px var(--color-accent-glow);

  --glass-bg: rgba(17, 17, 17, 0.85);
  --glass-border: rgba(255,255,255,0.06);
}
[data-theme="dark"] .navbar--scrolled {
  background: rgba(10, 10, 10, 0.95);
}
[data-theme="dark"] .card__image {
  background: linear-gradient(145deg, #1a1a1a, #222);
}
[data-theme="dark"] .hero__arrow {
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-color: rgba(255,255,255,0.15);
}
[data-theme="dark"] .hero__arrow:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
[data-theme="dark"] .hero__dot {
  background: rgba(255,255,255,0.3);
  border-color: rgba(255,255,255,0.5);
}
[data-theme="dark"] .hero__dot--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
[data-theme="dark"] .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,0.1);
}
[data-theme="dark"] .btn--outline:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
[data-theme="dark"] .btn--primary {
  color: #ffffff;
}
[data-theme="dark"] .navbar__toggle-bar {
  background: #fff;
}
[data-theme="dark"] .card__overlay .btn--primary {
  color: #ffffff;
}
[data-theme="dark"] .card__label {
  color: #ffffff;
}
[data-theme="dark"] ::selection {
  color: #ffffff;
}
[data-theme="dark"] ::-webkit-scrollbar-track {
  background: #0a0a0a;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #333;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}
[data-theme="dark"] .news-card__title a {
  color: #fff;
}
[data-theme="dark"] .footer__social-link:hover {
  color: #ffffff;
}
/* DataTables dark overrides */
[data-theme="dark"] table.dataTable tbody tr {
  background: var(--color-surface) !important;
}
[data-theme="dark"] table.dataTable tbody tr.odd {
  background: var(--color-surface-2) !important;
}
[data-theme="dark"] table.dataTable tbody tr:hover td {
  background: rgba(185,32,51,0.08) !important;
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-2);
}
.theme-toggle:hover {
  background: var(--color-surface-3);
  border-color: var(--color-accent);
  transform: scale(1.08);
}
.theme-toggle__icon {
  font-size: 18px;
  line-height: 1;
  transition: transform var(--transition-bounce), opacity var(--transition-fast);
}
.theme-toggle__sun,
.theme-toggle__moon {
  position: absolute;
  transition: transform var(--transition-bounce), opacity var(--transition-fast);
}
/* Light mode default: sun visible */
.theme-toggle__sun {
  color: #f59e0b;
  opacity: 1;
  transform: rotate(0deg) scale(1);
}
.theme-toggle__moon {
  color: #a5b4fc;
  opacity: 0;
  transform: rotate(90deg) scale(0);
}
/* Dark mode: moon visible */
[data-theme="dark"] .theme-toggle__sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}
[data-theme="dark"] .theme-toggle__moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: #ffffff;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-surface-3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent); }

h1, h2, h3, h4, h5, h6 {
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
}
h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
p { color: var(--color-text-secondary); line-height: 1.7; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ---------- Section ---------- */
.section {
  padding: var(--space-24) 0;
  position: relative;
}
.section--sm { padding: var(--space-16) 0; }
.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}
.section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-black);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.section__title span { color: var(--color-accent); }
.section__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes shimmer {
  from { background-position: -200% 0; }
  to { background-position: 200% 0; }
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.navbar--scrolled {
  background: rgba(245, 245, 247, 0.95);
  box-shadow: var(--shadow-md);
}
.navbar__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.navbar__brand { display: flex; align-items: center; }
.navbar__logo {
  height: 36px;
  width: auto;
  transition: transform var(--transition-base);
}
/* Light mode: show dark logo, hide white logo */
.navbar__logo--light { display: block; }
.navbar__logo--dark { display: none; }
/* Dark mode: show white logo, hide dark logo */
[data-theme="dark"] .navbar__logo--light { display: none; }
[data-theme="dark"] .navbar__logo--dark { display: block; }
.bftt-logo {
  filter: brightness(0) saturate(100%);
  transition: filter var(--transition-base);
}
[data-theme="dark"] .bftt-logo {
  filter: none;
}
.navbar__brand:hover .navbar__logo { transform: scale(1.05); }
.navbar__menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.navbar__link {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}
.navbar__link:hover,
.navbar__link--active {
  color: var(--color-white);
  background: rgba(255,255,255,0.05);
}
.navbar__link--active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 1001;
}
.navbar__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.navbar__toggle--open .navbar__toggle-bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__toggle--open .navbar__toggle-bar:nth-child(2) { opacity: 0; }
.navbar__toggle--open .navbar__toggle-bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero Slider ---------- */
.hero {
  position: relative;
  overflow: hidden;
  margin-top: var(--navbar-height);
}
.hero__slider {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero__slide {
  min-width: 100%;
  position: relative;
}
.hero__slide img {
  width: 100%;
  display: block;
}
.hero__slide img.mobile { display: none; }
.hero__controls {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-3);
  z-index: 10;
}
.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: 2px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition-base);
}
.hero__dot--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.2);
}
.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--color-white);
  font-size: var(--text-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  opacity: 0;
}
.hero:hover .hero__arrow { opacity: 1; }
.hero__arrow:hover { background: var(--color-accent); border-color: var(--color-accent); }
.hero__arrow--prev { left: var(--space-6); }
.hero__arrow--next { right: var(--space-6); }

/* ---------- Product Grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

/* ---------- Product Card ---------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
  position: relative;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(185, 32, 51, 0.3);
}
.card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, #f5f5f5, #e8e8e8);
}
.card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-slow);
  padding: var(--space-4);
}
.card:hover .card__image img { transform: scale(1.08); }
.card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85), transparent 60%);
  opacity: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-6);
  transition: opacity var(--transition-slow);
}
.card:hover .card__overlay { opacity: 1; }
.card__body {
  padding: var(--space-5) var(--space-6);
}
.card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.card__label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-accent);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 2;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
}
.btn--primary:hover {
  background: var(--color-accent-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(185, 32, 51, 0.1);
}
.btn--ghost {
  background: rgba(255,255,255,0.05);
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
}
.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-base);
}
.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-xs);
}
.btn--block { width: 100%; }

/* ---------- Featured Cards ---------- */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.featured-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-slow);
}
.featured-card:hover {
  border-color: rgba(185, 32, 51, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.featured-card__icon {
  width: 100%;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.featured-card__icon img {
  width: 100%;
  transition: transform var(--transition-slow);
}
.featured-card:hover .featured-card__icon img { transform: scale(1.05); }
.featured-card__title {
  margin-bottom: var(--space-4);
}
.featured-card__title img { margin: 0 auto; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb__sep {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.breadcrumb__current {
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
}

/* ---------- News Cards ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-8);
}
.news-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255,255,255,0.12);
}
.news-card__image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.news-card:hover .news-card__image { transform: scale(1.03); }
.news-card__image-wrap { overflow: hidden; }
.news-card__body { padding: var(--space-6); }
.news-card__date {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}
.news-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__title a { color: var(--color-white); transition: color var(--transition-fast); }
.news-card__title a:hover { color: var(--color-accent); }
.news-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.form-group { margin-bottom: var(--space-6); }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
.form-control {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}
.form-control::placeholder { color: var(--color-text-muted); }
textarea.form-control { min-height: 140px; resize: vertical; }

.contact-info-block { padding: var(--space-8); }
.contact-info-block h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-8);
}
.contact-info-block ul { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-info-block li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.contact-info-block li i {
  color: var(--color-accent);
  font-size: var(--text-lg);
  margin-top: 3px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

/* ---------- Spec Grid (Product Detail) ---------- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}
.spec-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  transition: all var(--transition-base);
}
.spec-card:hover {
  border-color: rgba(185, 32, 51, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.spec-card__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-text);
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
}
.spec-card__icon img { width: 100%; height: 100%; object-fit: contain; }
[data-theme="dark"] .spec-card__img {
  filter: none !important;
}
.spec-card__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.spec-card__value {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ---------- Product Detail ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.product-detail__gallery {
  position: sticky;
  top: calc(var(--navbar-height) + var(--space-8));
}
.product-detail__main-image {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-4);
}
.product-detail__main-image img {
  width: 100%;
  cursor: zoom-in;
}
.product-detail__thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-3);
}
.product-detail__thumb {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.product-detail__thumb:hover,
.product-detail__thumb--active { border-color: var(--color-accent); }
.product-detail__thumb img { width: 100%; height: 100%; object-fit: contain; padding: var(--space-2); }

.product-detail__info { padding-top: var(--space-4); }
.product-detail__name {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-black);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.product-detail__price {
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.product-detail__price-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-8);
}

/* ---------- Stores Table ---------- */
.stores-table-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  padding: var(--space-6);
}
.stores-table-wrap table { width: 100%; border-collapse: collapse; }
.stores-table-wrap thead th {
  background: var(--color-surface-2);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 2px solid var(--color-accent);
}
.stores-table-wrap tbody td {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  vertical-align: middle;
}
.stores-table-wrap tbody tr:hover td { background: rgba(185, 32, 51, 0.05); color: var(--color-text); }
.stores-table-wrap tbody tr:last-child td { border-bottom: none; }

/* DataTables overrides */
.dataTables_wrapper { color: var(--color-text-secondary); }
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-4);
}
.dataTables_wrapper .dataTables_filter input:focus {
  outline: none;
  border-color: var(--color-accent);
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--color-text-secondary) !important;
  background: var(--color-surface-2) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-sm) !important;
  margin: 0 var(--space-1);
  padding: var(--space-2) var(--space-4) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  border-color: var(--color-accent) !important;
}
.dataTables_wrapper .dataTables_info { color: var(--color-text-muted); padding-top: var(--space-4); }

/* ---------- Parallax / Brand Banner ---------- */
.brand-banner {
  background: var(--color-surface);
  padding: var(--space-12) 0;
  text-align: center;
}
.brand-banner img {
  max-width: 200px;
  margin: 0 auto;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.footer__main { padding: var(--space-16) 0; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1.5fr 1fr;
  gap: var(--space-12);
}
.footer__logo {
  max-width: 180px;
  margin-bottom: var(--space-4);
}
.footer__logo--light { display: block; }
.footer__logo--dark { display: none; }
[data-theme="dark"] .footer__logo--light { display: none; }
[data-theme="dark"] .footer__logo--dark { display: block; }
.footer__tagline {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-style: italic;
  margin-bottom: var(--space-6);
}
.footer__social { display: flex; gap: var(--space-3); }
.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  transition: all var(--transition-base);
}
.footer__social-link:hover {
  background: var(--color-accent);
  color: #ffffff;
  transform: translateY(-2px);
}
.footer__heading {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
  color: var(--color-white);
}
.footer__list { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__list li {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.footer__list li i { color: var(--color-accent); margin-top: 3px; }
.footer__list a { color: var(--color-text-secondary); transition: color var(--transition-fast); }
.footer__list a:hover { color: var(--color-accent); }
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  text-align: center;
}
.footer__bottom p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__gallery { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 60px;
    --container-padding: var(--space-4);
  }
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  .navbar__toggle { display: flex; }
  .navbar__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--navbar-height) + var(--space-8)) var(--space-8) var(--space-8);
    transition: right var(--transition-slow);
    box-shadow: var(--shadow-xl);
    border-left: 1px solid var(--color-border);
  }
  .navbar__menu--open { right: 0; }
  .navbar__link {
    width: 100%;
    padding: var(--space-4) var(--space-4);
    font-size: var(--text-base);
    border-bottom: 1px solid var(--color-border);
  }

  .hero__slide img.desktop { display: none; }
  .hero__slide img.mobile { display: block; }
  .hero__arrow { display: none; }

  .featured-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .news-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }

  .section { padding: var(--space-16) 0; }
  .section__title { font-size: var(--text-2xl); }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .product-detail__price { font-size: var(--text-2xl); }
}