/* =====================================================
   YOGA GRANITES - Main Stylesheet
   Ancient Stone. Modern Living.
   ===================================================== */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors */
  --color-primary: #1a3a6e;       /* Royal Blue - Primary */
  --color-primary-dark: #0f2847;  /* Darker Royal Blue */
  --color-primary-light: #2c5aa0; /* Lighter Royal Blue */
  --color-accent: #c9a962;        /* Gold accent */
  --color-text: #2c3e50;          /* Main text */
  --color-text-light: #5a6c7d;    /* Secondary text */
  --color-text-muted: #8a99a8;    /* Muted text */
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-light-gray: #e9ecef;
  --color-border: #dee2e6;
  --color-dark: #1a1a2e;
  --color-success: #28a745;
  --color-error: #dc3545;

  /* Typography */
  --font-primary: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Container */
  --container-max: 1400px;
  --container-padding: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* =====================================================
   LAYOUT & CONTAINERS
   ===================================================== */

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

.section {
  padding: var(--spacing-3xl) 0;
}

.section--gray {
  background-color: var(--color-off-white);
}

.section--dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex--center {
  justify-content: center;
  align-items: center;
}

.flex--between {
  justify-content: space-between;
  align-items: center;
}

.flex--column {
  flex-direction: column;
}

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

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-lg);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header__logo-img {
  height: 50px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.header__logo-tagline {
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Main Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  padding: var(--spacing-sm) 0;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

/* Dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav__dropdown-toggle::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition-fast);
}

.nav__dropdown:hover .nav__dropdown-toggle::after {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.nav__dropdown-link:hover {
  background-color: var(--color-off-white);
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .nav--open .nav__list {
    transform: translateX(0);
  }

  .nav__item {
    border-bottom: 1px solid var(--color-border);
  }

  .nav__link {
    padding: var(--spacing-md) 0;
  }

  .nav__dropdown-menu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height var(--transition-base);
  }

  .nav__dropdown--open .nav__dropdown-menu {
    max-height: 500px;
    padding: var(--spacing-sm) 0;
  }

  .nav__dropdown-link {
    padding-left: var(--spacing-xl);
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background-color: var(--color-off-white);
  color: var(--color-primary-dark);
}

.btn--large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn--small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background-color: var(--color-dark);
  overflow: hidden;
}

/* Fallback static background (lowest layer) */
.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-dark);
  z-index: 0;
}

/* Hero Slider (above fallback) */
.hero__slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  will-change: opacity;
}

.hero__slide--active {
  opacity: 1;
}

.hero__slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* No full overlay - images display at full vibrancy */
.hero__overlay {
  display: none;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 600px;
  background: rgba(26, 58, 110, 0.85);
  padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-2xl);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Clean text on card - no extra shadows needed */
.hero__title,
.hero__subtitle {
  text-shadow: none;
}

.hero__tagline {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: rgba(201, 169, 98, 0.2);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
}

.hero__cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero__title {
    font-size: 2.5rem;
  }

  .hero__subtitle {
    font-size: 1.125rem;
  }
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header__title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

.section-header__subtitle {
  color: var(--color-text-light);
  font-size: 1.125rem;
}

.section-header__line {
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  margin: var(--spacing-lg) auto 0;
}

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

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: var(--color-light-gray);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__content {
  padding: var(--spacing-lg);
}

.card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.card__text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-primary);
}

.card__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.card:hover .card__link::after {
  transform: translateX(5px);
}

/* Category Cards */
.category-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.category-card__image {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-light-gray);
}

.category-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.category-card:hover .category-card__image img {
  transform: scale(1.1);
}

.category-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-xl);
}

.category-card__title {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.category-card__count {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* Product Cards */
.product-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.product-card__image {
  position: relative;
  aspect-ratio: 1;
  background-color: var(--color-light-gray);
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  padding: 0.25rem 0.75rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.product-card__content {
  padding: var(--spacing-md);
}

.product-card__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

.product-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* =====================================================
   FEATURES SECTION
   ===================================================== */

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.feature {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(26, 58, 110, 0.1);
  border-radius: 50%;
  color: var(--color-primary);
}

.feature__icon svg {
  width: 32px;
  height: 32px;
}

.feature__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.feature__text {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

@media (max-width: 1024px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-grid__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-grid__image img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about-grid__content h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.about-grid__content p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.stat__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat__label {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .about-grid__image {
    order: -1;
  }
}

/* =====================================================
   CTA SECTION
   ===================================================== */

.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
  padding: var(--spacing-3xl) var(--container-padding);
}

.cta__title {
  font-size: 2.25rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta__text {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

/* =====================================================
   FILTERS & SEARCH (Category Page)
   ===================================================== */

.filters-bar {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-2xl);
}

.filters-bar__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.filters-bar__search {
  flex: 1;
  min-width: 250px;
  max-width: 400px;
}

.search-input {
  display: flex;
  align-items: center;
  background-color: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.search-input__icon {
  padding: 0 var(--spacing-md);
  color: var(--color-text-muted);
}

.search-input__field {
  flex: 1;
  padding: 0.75rem;
  border: none;
  background: transparent;
  outline: none;
}

.search-input__field::placeholder {
  color: var(--color-text-muted);
}

.filters-bar__count {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.filters-bar__toggle {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1rem;
  background-color: var(--color-off-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.filter-group__label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.filter-group__select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6c7d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.filter-group__select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.filters-bar__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 900px) {
  .filters-bar__toggle {
    display: flex;
  }

  .filters-grid {
    display: none;
    grid-template-columns: 1fr;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
  }

  .filters-grid--open {
    display: grid;
  }

  .filters-bar__actions {
    display: none;
  }

  .filters-grid--open + .filters-bar__actions {
    display: flex;
  }
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* No Results */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-3xl);
}

.no-results__icon {
  font-size: 4rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.no-results__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.no-results__text {
  color: var(--color-text-light);
}

/* =====================================================
   PRODUCT DETAIL PAGE
   ===================================================== */

.product-detail {
  padding-top: 120px;
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

/* Product Gallery */
.product-gallery {
  position: sticky;
  top: 100px;
}

.product-gallery__main {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-light-gray);
  margin-bottom: var(--spacing-md);
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-gallery__thumbs {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
}

.product-gallery__thumb {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
  background-color: var(--color-light-gray);
}

.product-gallery__thumb--active,
.product-gallery__thumb:hover {
  border-color: var(--color-primary);
}

.product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Product Info */
.product-info__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.product-info__breadcrumb a {
  color: var(--color-text-light);
}

.product-info__breadcrumb a:hover {
  color: var(--color-primary);
}

.product-info__breadcrumb span {
  color: var(--color-text-muted);
}

.product-info__title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

.product-info__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.product-info__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background-color: var(--color-off-white);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text);
}

.product-info__description {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--spacing-2xl);
}

/* Specifications Table */
.specs-table {
  width: 100%;
  margin-bottom: var(--spacing-2xl);
  border-collapse: collapse;
}

.specs-table th,
.specs-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.specs-table th {
  width: 40%;
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-off-white);
}

.specs-table td {
  color: var(--color-text-light);
}

/* Product CTA */
.product-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 900px) {
  .product-detail__grid {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }
}

/* =====================================================
   GALLERY PAGE
   ===================================================== */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-light-gray);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 58, 110, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__overlay svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
}

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.lightbox__close:hover {
  opacity: 0.7;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
}

/* Blog Section */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.blog-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.blog-card__image {
  aspect-ratio: 16/10;
  background-color: var(--color-light-gray);
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card__content {
  padding: var(--spacing-lg);
}

.blog-card__date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.blog-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.blog-card__excerpt {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

@media (max-width: 900px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card--clickable {
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.blog-card--clickable:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* =====================================================
   CONTENT MODALS (Stone Selection & Care popups)
   ===================================================== */

.content-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.content-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.content-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  cursor: pointer;
}

.content-modal__box {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.content-modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: var(--color-light-gray);
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
  z-index: 2;
}
.content-modal__close:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.content-modal__body {
  padding: var(--spacing-2xl);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.content-modal__body p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
  line-height: 1.6;
}
.content-modal__body p:last-child {
  margin-bottom: 0;
}

.content-modal__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  padding-right: 3rem;
}

/* =====================================================
   CONTACT PAGE
   ===================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-3xl);
}

.contact-info {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
}

.contact-info__title {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

.contact-info__text {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-2xl);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info__label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.25rem;
}

.contact-info__value {
  font-weight: 500;
}

.contact-info__value a {
  color: var(--color-white);
}

.contact-info__value a:hover {
  text-decoration: underline;
}

.contact-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-social__link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-white);
  transition: background-color var(--transition-fast);
}

.contact-social__link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

/* Contact Form */
.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 110, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6c7d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  cursor: pointer;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  font-size: 0.85rem;
  color: var(--color-error);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group--error .form-input,
.form-group--error .form-select,
.form-group--error .form-textarea {
  border-color: var(--color-error);
}

.form-group--error .form-error {
  display: block;
}

.form-submit {
  margin-top: var(--spacing-lg);
}

/* Form Messages */
.form-message {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  display: none;
}

.form-message--success {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-message--error {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.form-message--visible {
  display: block;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

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

.footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--spacing-3xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer__tagline {
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
}

.footer__about {
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer__title {
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
}

.footer__contact-item svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__copyright {
  font-size: 0.9rem;
}

.footer__legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__legal a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer__legal a:hover {
  color: var(--color-white);
}

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* =====================================================
   PAGE HEADERS (Internal Pages)
   ===================================================== */

.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  text-align: center;
}

.page-header__title {
  font-size: 2.5rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.page-header__breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-header__breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.page-header__breadcrumb a:hover {
  color: var(--color-white);
}

.page-header__breadcrumb span {
  color: rgba(255, 255, 255, 0.5);
}

/* =====================================================
   UTILITIES
   ===================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-xl); }
.mt-3 { margin-top: var(--spacing-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-xl); }
.mb-3 { margin-bottom: var(--spacing-2xl); }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

.hidden { display: none !important; }

/* =====================================================
   PLACEHOLDER IMAGES (for demo)
   ===================================================== */

.placeholder-img {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-light-gray) 0%, #d1d5db 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }