/* ============================================
   SURANI JEWELLERS & SONS
   Cinematic Luxury Jewelry Website
   ============================================ */

:root {
  --bg-dark: #0a0a0c;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  --gold: #d4af37;
  --gold-light: #f5e6b8;
  --gold-dark: #a67c00;
  --platinum: #e5e4e2;
  --text-primary: #f8f6f0;
  --text-secondary: #b8b4a8;
  --accent: #c9a227;
  --shadow-gold: 0 0 40px rgba(212, 175, 55, 0.25);
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.gold-text {
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 4%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 12, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all 0.4s ease;
}

.navbar.scrolled {
  padding: 0.8rem 4%;
  background: rgba(10, 10, 12, 0.92);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn-cart {
  position: relative;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.3rem;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--gold);
  color: #000;
  font-size: 0.7rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #000;
  border: none;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 0.7rem 1.6rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-outline:hover {
  background: var(--gold);
  color: #000;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ========== HERO SECTION ========== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(212, 175, 55, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(212, 175, 55, 0.08) 0%, transparent 40%),
    linear-gradient(180deg, #0a0a0c 0%, #121214 100%);
  z-index: 0;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.4;
  animation: float 8s infinite ease-in-out;
}

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
  50% { transform: translateY(-30px) translateX(10px); opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(40px);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  transform: translateY(30px);
}

.hero-cta {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  animation: bounce 2s infinite;
}

.hero-scroll .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========== SECTIONS ========== */
section {
  padding: 6rem 4%;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ========== GLASSMORPHIC CARDS ========== */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 1.8rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.4), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--shadow-gold);
  transform: translateY(-6px);
}

.glass-card:hover::before {
  opacity: 1;
}

/* ========== CATEGORY GRID ========== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.category-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  cursor: pointer;
}

.category-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 50%;
  font-size: 1.8rem;
  color: var(--gold);
  transition: all 0.4s ease;
}

.category-card:hover .category-icon {
  background: rgba(212, 175, 55, 0.2);
  transform: scale(1.1);
}

.category-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ========== PRODUCT CARDS ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.product-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.product-card:hover {
  border-color: rgba(212, 175, 55, 0.35);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(212, 175, 55, 0.15);
}

.product-img-wrap {
  position: relative;
  height: 280px;
  overflow: hidden;
  background: #111;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(212, 175, 55, 0.9);
  color: #000;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-info {
  padding: 1.4rem;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.6rem;
}

.product-type {
  font-size: 0.75rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.product-title {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
  font-family: var(--font-display);
}

.product-details {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.product-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gold-light);
}

.btn-add {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-add:hover {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
}

/* ========== WHOLESALE / RETAIL SPLIT ========== */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.split-card {
  padding: 3.5rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.split-card h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.split-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.split-card .icon-large {
  font-size: 3rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: block;
}

/* ========== DIAMOND TYPES ========== */
.diamond-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.type-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.type-card .type-letter {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
  display: block;
}

.type-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.type-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ========== FILTER TABS ========== */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 3rem;
}

.filter-tab {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  font-size: 0.85rem;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-tab.active,
.filter-tab:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--gold);
  color: var(--gold);
}

/* ========== ABOUT / CONTENT SECTIONS ========== */
.content-block {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.content-block p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

/* ========== FOOTER ========== */
.footer {
  background: #08080a;
  border-top: 1px solid var(--border-glass);
  padding: 4rem 4% 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto 3rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.6rem;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ========== CART SIDEBAR ========== */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: -400px;
  width: 380px;
  height: 100vh;
  background: rgba(12, 12, 14, 0.98);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-glass);
  z-index: 2000;
  transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open {
  right: 0;
}

.cart-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-header h3 {
  font-size: 1.2rem;
}

.cart-close {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.cart-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.cart-item img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 6px;
}

.cart-item-info h4 {
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.cart-item-info p {
  font-size: 0.85rem;
  color: var(--gold);
}

.cart-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-glass);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .split-section {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.6rem;
  }
  .section {
    padding: 4rem 5%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cart-sidebar {
    width: 100%;
    right: -100%;
  }
}

/* ========== ANIMATION HELPERS ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Kinetic text animation */
.kinetic-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px) rotateX(40deg);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.kinetic-word.visible {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}

/* ========== PRODUCT SHOWCASE MODAL ========== */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.product-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
}
.product-modal-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 0;
  background: rgba(18,18,22,0.95);
  border: 1px solid rgba(212,175,55,0.25);
  box-shadow: 0 25px 80px rgba(0,0,0,0.6), 0 0 40px rgba(212,175,55,0.1);
}
.product-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 2rem;
  cursor: pointer;
  z-index: 20;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.product-modal-close:hover { opacity: 1; }
.product-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.product-modal-img {
  min-height: 320px;
  background: #111;
}
.product-modal-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-modal-info {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 768px) {
  .product-modal-grid { grid-template-columns: 1fr; }
  .product-modal-img { min-height: 220px; }
  .product-modal-info { padding: 1.5rem; }
}

/* Make product cards clearly clickable */
.product-card { cursor: pointer; }
.product-card .btn-outline,
.product-card .btn-primary { pointer-events: auto; }