/* ========================================
   AL-HUSANI MARBLE & GRANITE
   Dark Theme Luxury Design System
   ======================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors - Dark Luxury Theme */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #2a2a2a;
  --color-text-primary: #ffffff;
  --color-text-secondary: #cccccc;
  --color-text-muted: #999999;
  --color-accent-gold: #FFD700;
  --color-accent-gold-light: #FFE44D;
  --color-accent-gold-dark: #DAA520;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-overlay: rgba(0, 0, 0, 0.7);

  /* Typography */
  --font-heading: 'Tajawal', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-size-base: 16px;
  --font-size-small: 0.875rem;
  --font-size-large: 1.125rem;
  --font-size-h1: 3.5rem;
  --font-size-h2: 2.5rem;
  --font-size-h3: 1.75rem;
  --font-size-h4: 1.5rem;
  --line-height-base: 1.6;
  --line-height-heading: 1.2;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Layout */
  --container-max-width: 1400px;
  --container-padding: 2rem;
  --header-height: 80px;
  --border-radius: 4px;

  /* Transitions */
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.6s ease;

  /* Z-index */
  --z-header: 1000;
  --z-scrollspy: 900;
  --z-cursor: 10000;
  --z-modal: 9999;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: var(--line-height-heading);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
}

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

a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: var(--transition-base);
}

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

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-header);
  transition: var(--transition-base);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 var(--container-padding);
}

.logo {
  height: 50px;
  width: auto;
  transition: var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-large);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
  transition: var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background-color: var(--color-accent-gold);
  transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Language Toggle */
.lang-toggle {
  background-color: transparent;
  border: 2px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-base);
  font-size: 0.9rem;
}

.lang-toggle:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translateX(0);
  }

  100% {
    transform: scale(1.1) translateX(-20px);
  }
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 900px;
  padding: var(--spacing-md);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.8);
  animation: fadeInUp 1s ease-out;
  font-weight: 800;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 2rem);
  color: var(--color-accent-gold);
  font-style: normal;
  margin-bottom: var(--spacing-lg);
  text-shadow: 1px 1px 10px rgba(0, 0, 0, 0.8);
  animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-cta {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-accent-gold);
  color: var(--color-bg-primary);
  font-weight: 700;
  font-size: var(--font-size-large);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta:hover {
  background-color: var(--color-accent-gold-light);
  color: var(--color-bg-primary);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

/* Category Sections */
.category-section {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.category-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transform: scale(1);
  transition: transform 8s ease-out;
}

.category-section.animate .category-background {
  animation: kenBurnsCategory 15s ease-in-out infinite alternate;
}

@keyframes kenBurnsCategory {
  0% {
    transform: scale(1) translate(0, 0);
  }

  100% {
    transform: scale(1.15) translate(-3%, -2%);
  }
}

.category-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%);
  z-index: 1;
}

.category-content {
  position: relative;
  z-index: 2;
  padding: var(--spacing-xl) var(--container-padding);
  max-width: 600px;
}

.category-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.category-description {
  font-size: var(--font-size-large);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.category-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  border: 2px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  font-weight: 600;
  font-size: var(--font-size-large);
  border-radius: var(--border-radius);
  transition: var(--transition-base);
  cursor: pointer;
}

.category-button:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-bg-primary);
  transform: translateX(10px);
}

/* Scrollspy Navigation */
.scrollspy {
  position: fixed;
  top: 50%;
  right: var(--spacing-md);
  transform: translateY(-50%);
  z-index: var(--z-scrollspy);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

[dir="rtl"] .scrollspy {
  right: auto;
  left: var(--spacing-md);
}

.scrollspy-dot {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.3);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
}

.scrollspy-dot::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  background-color: var(--color-accent-gold);
  border-radius: 2px;
  transition: var(--transition-base);
}

.scrollspy-dot.active {
  background-color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

.scrollspy-dot.active::before {
  width: 20px;
  height: 20px;
  opacity: 0.3;
}

.scrollspy-dot:hover {
  background-color: var(--color-accent-gold-light);
  transform: scale(1.3);
}

/* Custom Cursor */
.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-accent-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0;
}

.custom-cursor.active {
  opacity: 1;
}

.cursor-click-effect {
  position: fixed;
  width: 30px;
  height: 30px;
  border: 2px solid var(--color-accent-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  animation: cursorClick 0.6s ease-out;
  opacity: 0;
}

@keyframes cursorClick {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }

  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Footer */
.footer {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Category Slides (Updated) */
#categories-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.category-slide {
  position: relative;
  width: 100%;
  height: 100vh;
  /* Full viewport height */
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.category-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.category-slide-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.5s ease;
}

.category-slide:hover .category-slide-bg img {
  transform: scale(1.05);
  /* Subtle zoom on hover */
}

/* Dark Overlay */
.category-slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  /* Darken for readability */
  z-index: 2;
}

.category-slide-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #fff;
  padding: 2rem;
}

.slide-content-inner {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.category-slide.visible .slide-content-inner {
  opacity: 1;
  transform: translateY(0);
}

.slide-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.slide-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.slide-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.slide-button:hover {
  background: #fff;
  color: #000;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .slide-title {
    font-size: 2.2rem;
  }

  .category-slide {
    height: 60vh;
    /* Shorter on mobile */
  }
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-h4);
}

.footer-section p,
.footer-section a {
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
  color: var(--color-accent-gold-light);
  padding-left: 5px;
}

[dir="rtl"] .footer-section a:hover {
  padding-left: 0;
  padding-right: 5px;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  transition: var(--transition-base);
  font-size: 1.2rem;
}

.social-link:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-bg-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* RTL Support */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .category-overlay {
  background: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 100%);
}

[dir="rtl"] .category-button:hover {
  transform: translateX(-10px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --font-size-h1: 3rem;
    --font-size-h2: 2rem;
    --spacing-xl: 4rem;
  }

  .scrollspy {
    right: var(--spacing-sm);
  }

  [dir="rtl"] .scrollspy {
    left: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 1.75rem;
    --container-padding: 1rem;
    --spacing-lg: 3rem;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-primary);
    flex-direction: column;
    padding: var(--spacing-lg);
    transition: left 0.3s ease;
  }

  .nav.active {
    left: 0;
  }

  [dir="rtl"] .nav {
    left: auto;
    right: -100%;
  }

  [dir="rtl"] .nav.active {
    right: 0;
  }

  .category-content {
    max-width: 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .custom-cursor,
  .cursor-click-effect {
    display: none;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --header-height: 70px;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .category-section {
    height: 80vh;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-gold {
  color: var(--color-accent-gold);
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}