/**
 * Premium Landing Page Styles
 * High-tech, industry-themed design for Surprise Granite
 */

/* ============================================
   CSS VARIABLES & BASE
   ============================================ */
:root {
  --sg-primary: #f9cb00;
  --sg-primary-dark: #e5b800;
  --sg-primary-glow: rgba(249, 203, 0, 0.3);
  --sg-dark: #1a2b3c;
  --sg-dark-light: #2d4a5e;
  --sg-navy: #0a1628;
  --sg-text: #1e293b;
  --sg-text-light: #64748b;
  --sg-white: #ffffff;
  --sg-surface: #f8fafc;
  --sg-border: #e2e8f0;
  --sg-success: #22c55e;
  --sg-gradient-gold: linear-gradient(135deg, #f9cb00 0%, #ffd700 50%, #e5b800 100%);
  --sg-gradient-dark: linear-gradient(180deg, #1a2b3c 0%, #0a1628 100%);
  --sg-gradient-hero: linear-gradient(135deg, rgba(26, 43, 60, 0.95) 0%, rgba(10, 22, 40, 0.9) 100%);
  --sg-shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --sg-shadow-glow: 0 0 40px rgba(249, 203, 0, 0.2);
}

/* ============================================
   PREMIUM HERO SECTION
   ============================================ */
.premium-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--sg-navy);
}

.premium-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.premium-hero-bg video,
.premium-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.premium-hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--sg-gradient-hero);
  z-index: 1;
}

/* Animated gradient mesh */
.premium-hero-mesh {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.4;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(249, 203, 0, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(45, 74, 94, 0.2) 0%, transparent 40%),
    radial-gradient(ellipse at 60% 80%, rgba(249, 203, 0, 0.1) 0%, transparent 50%);
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%, 100% { transform: scale(1) translate(0, 0); }
  25% { transform: scale(1.1) translate(-2%, 2%); }
  50% { transform: scale(1) translate(2%, -2%); }
  75% { transform: scale(1.05) translate(-1%, 1%); }
}

/* Floating particles */
.premium-hero-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--sg-primary);
  border-radius: 50%;
  opacity: 0.6;
  animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 15s; }
.particle:nth-child(4) { left: 50%; animation-delay: 1s; animation-duration: 20s; }
.particle:nth-child(5) { left: 70%; animation-delay: 3s; animation-duration: 14s; }
.particle:nth-child(6) { left: 85%; animation-delay: 5s; animation-duration: 17s; }
.particle:nth-child(7) { left: 95%; animation-delay: 2s; animation-duration: 13s; }

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

/* Hero Content */
.premium-hero-content {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 180px 40px 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.premium-hero-text {
  color: var(--sg-white);
}

.premium-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(249, 203, 0, 0.15);
  border: 1px solid rgba(249, 203, 0, 0.3);
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--sg-primary);
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease-out;
}

.premium-hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--sg-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.5; }
}

.premium-hero-title {
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 25px;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.premium-hero-title .highlight {
  background: var(--sg-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.premium-hero-subtitle {
  font-size: 20px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  max-width: 540px;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.premium-hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.premium-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.premium-btn-primary {
  background: var(--sg-gradient-gold);
  color: var(--sg-dark);
  box-shadow: 0 10px 40px rgba(249, 203, 0, 0.3);
}

.premium-btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(249, 203, 0, 0.4);
}

.premium-btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--sg-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.premium-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.premium-btn svg {
  width: 20px;
  height: 20px;
}

/* Hero Visual */
.premium-hero-visual {
  position: relative;
  animation: fadeInRight 1s ease-out 0.4s both;
}

.premium-hero-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--sg-shadow-lg);
}

.premium-hero-card img {
  width: 100%;
  height: auto;
  display: block;
}

.premium-hero-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  pointer-events: none;
}

/* Floating Stats Cards */
.floating-stat {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  animation: floatCard 4s ease-in-out infinite;
}

.floating-stat-1 {
  top: 10%;
  left: -60px;
  animation-delay: 0s;
}

.floating-stat-2 {
  bottom: 20%;
  right: -40px;
  animation-delay: 2s;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.floating-stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--sg-dark);
  line-height: 1;
}

.floating-stat-value span {
  color: var(--sg-primary);
}

.floating-stat-label {
  font-size: 13px;
  color: var(--sg-text-light);
  margin-top: 6px;
}

/* Hero Trust Bar */
.premium-hero-trust {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.8s ease-out 0.5s both;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(249, 203, 0, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trust-item-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--sg-primary);
}

.trust-item-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

/* ============================================
   FEATURED CATEGORIES SECTION
   ============================================ */
.premium-categories {
  padding: 120px 40px;
  background: var(--sg-white);
  position: relative;
  overflow: hidden;
}

.premium-categories::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, var(--sg-surface) 0%, transparent 100%);
  pointer-events: none;
}

.premium-section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.premium-section-badge {
  display: inline-block;
  background: rgba(249, 203, 0, 0.1);
  color: var(--sg-primary-dark);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.premium-section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: var(--sg-dark);
  line-height: 1.2;
  margin-bottom: 20px;
}

.premium-section-subtitle {
  font-size: 18px;
  color: var(--sg-text-light);
  line-height: 1.7;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1400px;
  margin: 0 auto;
}

.category-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 3/4;
  text-decoration: none;
  group: true;
}

.category-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

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

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 40, 0.9) 100%);
  transition: background 0.3s ease;
}

.category-card:hover .category-card-overlay {
  background: linear-gradient(180deg, transparent 30%, rgba(10, 22, 40, 0.95) 100%);
}

.category-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  color: var(--sg-white);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.category-card:hover .category-card-content {
  transform: translateY(0);
}

.category-card-icon {
  width: 56px;
  height: 56px;
  background: var(--sg-gradient-gold);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.category-card-icon svg {
  width: 28px;
  height: 28px;
  fill: var(--sg-dark);
}

.category-card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-card-count {
  font-size: 14px;
  opacity: 0.8;
  margin-bottom: 20px;
}

.category-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--sg-primary);
  font-weight: 600;
  font-size: 14px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.category-card:hover .category-card-link {
  opacity: 1;
  transform: translateY(0);
}

.category-card-link svg {
  width: 18px;
  height: 18px;
  fill: var(--sg-primary);
  transition: transform 0.2s ease;
}

.category-card:hover .category-card-link svg {
  transform: translateX(5px);
}

/* ============================================
   STATS BAR
   ============================================ */
.premium-stats {
  background: var(--sg-gradient-dark);
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
}

.premium-stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f9cb00' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  color: var(--sg-white);
}

.stat-value {
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 10px;
  background: var(--sg-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 16px;
  opacity: 0.8;
}

/* ============================================
   FEATURED PRODUCTS SHOWCASE
   ============================================ */
.premium-showcase {
  padding: 120px 40px;
  background: var(--sg-surface);
}

.showcase-container {
  max-width: 1400px;
  margin: 0 auto;
}

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

.showcase-card {
  background: var(--sg-white);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s ease;
  text-decoration: none;
  color: inherit;
}

.showcase-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.showcase-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.showcase-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.showcase-card:hover .showcase-card-image img {
  transform: scale(1.1);
}

.showcase-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--sg-gradient-gold);
  color: var(--sg-dark);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.showcase-card-favorite {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  opacity: 0;
  transform: scale(0.8);
}

.showcase-card:hover .showcase-card-favorite {
  opacity: 1;
  transform: scale(1);
}

.showcase-card-favorite svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--sg-dark);
  stroke-width: 2;
  transition: all 0.3s ease;
}

.showcase-card-favorite:hover svg {
  fill: #ef4444;
  stroke: #ef4444;
}

.showcase-card-content {
  padding: 28px;
}

.showcase-card-brand {
  font-size: 12px;
  color: var(--sg-primary-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.showcase-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--sg-dark);
  margin-bottom: 12px;
}

.showcase-card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.showcase-card-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--sg-text-light);
}

.showcase-card-meta svg {
  width: 16px;
  height: 16px;
  fill: var(--sg-text-light);
}

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

.showcase-card-price {
  font-size: 24px;
  font-weight: 800;
  color: var(--sg-dark);
}

.showcase-card-price small {
  font-size: 14px;
  font-weight: 400;
  color: var(--sg-text-light);
}

.showcase-card-btn {
  width: 50px;
  height: 50px;
  background: var(--sg-gradient-gold);
  border: none;
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.showcase-card-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(249, 203, 0, 0.4);
}

.showcase-card-btn svg {
  width: 24px;
  height: 24px;
  fill: var(--sg-dark);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.premium-testimonials {
  padding: 120px 40px;
  background: var(--sg-white);
}

.testimonials-container {
  max-width: 1200px;
  margin: 0 auto;
}

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

.testimonial-card {
  background: var(--sg-surface);
  border-radius: 24px;
  padding: 40px;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 100px;
  font-family: Georgia, serif;
  color: var(--sg-primary);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}

.testimonial-stars svg {
  width: 20px;
  height: 20px;
  fill: var(--sg-primary);
}

.testimonial-text {
  font-size: 17px;
  line-height: 1.7;
  color: var(--sg-text);
  margin-bottom: 30px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--sg-border);
}

.testimonial-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--sg-dark);
  margin-bottom: 4px;
}

.testimonial-info p {
  font-size: 13px;
  color: var(--sg-text-light);
}

/* ============================================
   CTA SECTION
   ============================================ */
.premium-cta {
  padding: 120px 40px;
  background: var(--sg-gradient-dark);
  position: relative;
  overflow: hidden;
}

.premium-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(249, 203, 0, 0.1) 0%, transparent 50%);
  animation: ctaGlow 10s ease-in-out infinite;
}

@keyframes ctaGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5%, 5%); }
}

.cta-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  color: var(--sg-white);
  line-height: 1.2;
  margin-bottom: 25px;
}

.cta-title span {
  background: var(--sg-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .premium-hero-content {
    grid-template-columns: 1fr;
    gap: 60px;
    text-align: center;
  }

  .premium-hero-subtitle {
    margin: 0 auto 40px;
  }

  .premium-hero-cta {
    justify-content: center;
  }

  .premium-hero-trust {
    justify-content: center;
  }

  .premium-hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

  .floating-stat-1 { left: 10px; }
  .floating-stat-2 { right: 10px; }

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

@media (max-width: 900px) {
  .premium-hero-content {
    padding: 140px 20px 60px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

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

  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .premium-hero-title {
    font-size: 36px;
  }

  .premium-hero-subtitle {
    font-size: 16px;
  }

  .premium-hero-cta {
    flex-direction: column;
  }

  .premium-btn {
    width: 100%;
    justify-content: center;
  }

  .premium-hero-trust {
    flex-direction: column;
    gap: 20px;
  }

  .floating-stat {
    display: none;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-value {
    font-size: 42px;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .premium-categories,
  .premium-stats,
  .premium-showcase,
  .premium-testimonials,
  .premium-cta {
    padding: 80px 20px;
  }
}