/* 
  Granit & Mermer "AD" - Style Sheet
  Design System: Lumina Stone (High-Contrast Minimalism)
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,400&display=swap');

:root {
  /* Color Tokens */
  --color-surface: #fcf9f8;
  --color-surface-dim: #dcd9d9;
  --color-surface-bright: #fcf9f8;
  --color-surface-container: #f0eded;
  --color-surface-container-high: #eae7e7;
  --color-surface-container-highest: #e5e2e1;
  --color-on-surface: #1c1b1b;
  --color-white: #ffffff;
  --color-subtle-grey: #f5f5f5;
  --color-charcoal: #1a1a1a;
  --color-primary-red: #e31e24;
  --color-primary-dark: #ba0013;
  --color-outline: #e5e5e5;
  --color-outline-heavy: #926f6b;
  
  /* Spacing */
  --space-unit: 8px;
  --container-max: 1280px;
  --section-padding: 120px;
  --section-padding-mobile: 60px;
  
  /* Shadows */
  --shadow-ambient: 0px 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-active: 0px 8px 30px rgba(0, 0, 0, 0.08);

  /* Fonts */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
}

/* Base resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* STRICTLY SHARP 0PX FOR ALL ELEMENTS */
}

html {
  scroll-behavior: smooth;
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-charcoal);
  font-weight: 700;
  line-height: 1.2;
}

.display-lg {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.headline-md {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.3;
}

.headline-sm {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.4;
}

.body-lg {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
}

.body-md {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}

.label-caps {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-red);
}

.text-muted {
  color: #666666;
}

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

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Navigation */
header {
  background-color: var(--color-primary-red);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  padding: 0 24px;
}

.navbar .logo {
  height: 50px;
  display: flex;
  align-items: center;
}

.navbar .logo img {
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  height: 100%;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-white);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  padding: 8px 0;
  transition: color 0.3s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-white);
  transition: width 0.3s ease;
}

.nav-links a.active {
  color: var(--color-white);
}

.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 200;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-white);
  margin: 5px 0;
  transition: 0.3s;
}

/* Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: none;
}

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

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

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

.btn-outline:hover {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

/* Product & Stone Cards */
.card-product {
  background-color: transparent;
  border: 1px solid var(--color-outline);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-product:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-ambient);
  border-color: var(--color-primary-red);
}

.card-image-wrapper {
  position: relative;
  background-color: var(--color-subtle-grey); /* Plinth style background */
  width: 100%;
  aspect-ratio: 4/5; /* Premium showroom ratio */
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image-wrapper img, .card-image-wrapper svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.card-content {
  padding: 20px;
  border-top: 1px solid var(--color-outline);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-charcoal);
}

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

/* Chips/Tags */
.chip {
  display: inline-block;
  padding: 6px 12px;
  background-color: var(--color-surface-container);
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Stone Showcase/Gallery Zoom */
.stone-gallery-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.zoom-lens-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  border: 1px solid var(--color-outline);
  cursor: zoom-in;
  background-color: var(--color-white);
  overflow: hidden;
}

.zoom-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zoom-lens {
  position: absolute;
  border: 2px solid var(--color-primary-red);
  width: 120px;
  height: 120px;
  background-repeat: no-repeat;
  display: none;
  pointer-events: none;
  box-shadow: 0 0 10px rgba(0,0,0,0.15);
  z-index: 10;
}

.gallery-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.gallery-thumb {
  border: 1px solid var(--color-outline);
  aspect-ratio: 1/1;
  cursor: pointer;
  background-color: var(--color-subtle-grey);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-thumb.active {
  border-color: var(--color-primary-red);
}

.gallery-thumb svg, .gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Material specifications grid */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.specs-table tr {
  border-bottom: 1px solid var(--color-outline);
}

.specs-table td {
  padding: 12px 0;
  font-size: 14px;
}

.specs-table td.spec-name {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-red);
  font-size: 11px;
}

/* Forms */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--color-outline-heavy);
  background-color: var(--color-white);
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-red);
}

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

/* Hero Section */
.hero {
  position: relative;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  height: 80vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(26,26,26,0.6) 100%);
  z-index: 2;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  padding: 0 24px;
}

.hero-content h1 {
  color: var(--color-white);
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* Info Banner / Feature Blocks */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-outline);
  padding: 40px;
  transition: transform 0.3s ease;
}

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

.feature-icon {
  margin-bottom: 24px;
  color: var(--color-primary-red);
}

.feature-box h3 {
  margin-bottom: 12px;
}

.footer-logo {
  height: 50px;
  margin-bottom: 20px;
}

/* Footer */
footer {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding: 80px 0 40px;
  border-top: 4px solid var(--color-primary-red);
}

footer a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 18px;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-primary-red);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-contact-info li {
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #ccc;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: #999;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary-red);
  z-index: 150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  list-style: none;
  text-align: center;
}

.mobile-nav-links li {
  margin: 24px 0;
}

.mobile-nav-links a {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-charcoal);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s;
}

.mobile-nav-links a:hover {
  color: var(--color-white);
}

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 32px;
  color: var(--color-charcoal);
  cursor: pointer;
}

/* Map CSS */
.map-container {
  width: 100%;
  height: 450px;
  border: 1px solid var(--color-outline);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .section {
    padding: var(--section-padding-mobile) 0;
  }
  .display-lg {
    font-size: 48px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0 16px;
  }
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  
  /* Hamburger to X animation */
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .grid-2, .grid-3, .grid-4, .features-grid, .stone-gallery-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .display-lg {
    font-size: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}