/* ==========================================================================
   ROVOLUXE™ LUXURY HAIR CARE — HAUTE BEAUTY DESIGN SYSTEM
   Inspired by French Prestige Houses (Lancôme, Chanel, Yves Saint Laurent)
   ========================================================================== */

:root {
  /* Color Palette */
  --color-gold-100: #FCF8EE;
  --color-gold-200: #F4E7C5;
  --color-gold-300: #E6CE93;
  --color-gold-400: #D8B76E;
  --color-gold-500: #C5A059;
  --color-gold-600: #B88E3E;
  --color-gold-700: #936F2C;
  --color-gold-800: #6D511E;
  
  --gradient-gold: linear-gradient(135deg, #F5E6BE 0%, #D4AF37 50%, #AA8220 100%);
  --gradient-gold-foil: linear-gradient(90deg, #E5C37A 0%, #FFF3D4 25%, #C89F48 50%, #FFF5DD 75%, #B3862A 100%);
  --gradient-gold-radial: radial-gradient(circle, rgba(212, 175, 55, 0.25) 0%, rgba(212, 175, 55, 0) 70%);
  --gradient-dark-glass: linear-gradient(180deg, rgba(18, 18, 20, 0.95) 0%, rgba(10, 10, 12, 0.98) 100%);
  
  --color-obsidian: #0D0D0F;
  --color-charcoal: #17171A;
  --color-slate: #24242A;
  --color-cream: #FAF7F2;
  --color-ivory: #F4EFEB;
  --color-sand: #ECE4DA;
  --color-white: #FFFFFF;
  --color-muted: #8E8A85;
  --color-border: rgba(197, 160, 89, 0.25);
  --color-border-subtle: rgba(0, 0, 0, 0.08);

  /* Typography */
  --font-serif-display: 'Playfair Display', 'Cormorant Garamond', Didot, Georgia, serif;
  --font-serif-heading: 'Cinzel', 'Playfair Display', serif;
  --font-sans: 'Plus Jakarta Sans', 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-gold: 0 8px 30px rgba(197, 160, 89, 0.25);
  --shadow-gold-hover: 0 12px 36px rgba(197, 160, 89, 0.4);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout */
  --container-max: 1380px;
  --nav-height: 84px;
  --announcement-height: 40px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-cream);
  color: var(--color-charcoal);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography Utility */
.serif-heading {
  font-family: var(--font-serif-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.serif-display {
  font-family: var(--font-serif-display);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.gold-gradient-text {
  background: var(--gradient-gold-foil);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ==========================================================================
   ANNOUNCEMENT BAR
   ========================================================================== */
.announcement-bar {
  background: var(--color-obsidian);
  color: var(--color-gold-300);
  height: var(--announcement-height);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  z-index: 100;
}

.announcement-slider {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.announcement-item {
  position: absolute;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.announcement-item.active {
  opacity: 1;
  transform: translateY(0);
}

.announcement-item .badge {
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  padding: 0.15rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 90;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(250, 247, 242, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  height: var(--nav-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  justify-content: flex-start;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  justify-content: flex-end;
}

.nav-link {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-charcoal);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--color-gold-700);
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform var(--transition-fast);
  padding: 0.2rem 0;
}

.brand-logo:hover {
  transform: scale(1.03);
}

.nav-brand-logo-img {
  height: 70px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(197, 160, 89, 0.25));
  transition: transform var(--transition-fast);
}

.brand-logo:hover .nav-brand-logo-img {
  transform: scale(1.03);
}

/* Header Action Icons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-charcoal);
  position: relative;
  padding: 0.4rem;
  border-radius: var(--radius-full);
}

.action-btn:hover {
  color: var(--color-gold-600);
  transform: translateY(-1px);
}

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

.cart-count {
  position: absolute;
  top: -2px;
  right: -4px;
  background: var(--color-gold-600);
  color: var(--color-white);
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(184, 142, 62, 0.4);
}

.currency-select {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--color-charcoal);
  cursor: pointer;
  outline: none;
}

.menu-toggle {
  display: none;
}

/* Original Typographic Brand Signature (Far Left of Header) */
.header-left-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  justify-content: flex-start;
}

.header-brand-signature {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  padding-right: 1.35rem;
  margin-right: 0.25rem;
  border-right: 1px solid var(--color-border);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  flex-shrink: 0;
}

.header-brand-signature:hover {
  transform: translateY(-1px) scale(1.02);
}

.header-signature-crown {
  width: 22px;
  height: 14px;
  fill: #C5A059;
  margin-bottom: 2px;
}

.header-signature-name {
  font-family: var(--font-serif-heading);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1.05;
  color: #141416;
  white-space: nowrap;
}

.header-signature-name .tm {
  font-size: 0.55em;
  vertical-align: super;
  letter-spacing: normal;
  margin-left: 1px;
}

.header-signature-tagline {
  font-size: 0.55rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: #a48243;
  font-weight: 600;
  margin-top: 3px;
  white-space: nowrap;
}

@media (max-width: 1200px) {
  .header-brand-signature {
    display: none;
  }
}

/* ==========================================================================
   HERO EDITORIAL SECTION (Cinematic Lancôme Style)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 820px;
  height: calc(100vh - 80px);
  max-height: 1080px;
  display: flex;
  align-items: center;
  background: #100e0c;
  color: var(--color-white);
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 18% 50%, #201b15 0%, #0d0c0b 100%);
  display: flex;
  justify-content: flex-end;
  align-items: stretch;
  overflow: hidden;
}

.hero-backdrop img {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  height: 100%;
  width: auto;
  min-width: 62%;
  max-width: 100%;
  object-fit: cover;
  object-position: right top;
  opacity: 1;
  filter: contrast(1.03);
  transform: scale(1.0);
  transition: transform 10s ease;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.3) 5%, black 16%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.3) 5%, black 16%);
}

.hero-section:hover .hero-backdrop img {
  transform: scale(1.015);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(13, 13, 15, 0.94) 0%,
    rgba(13, 13, 15, 0.82) 30%,
    rgba(13, 13, 15, 0.35) 48%,
    transparent 66%
  );
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 540px;
  padding: 3rem 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold-300);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-gold-400);
}

.hero-title {
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  line-height: 1.08;
  font-weight: 400;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero-title em {
  font-style: italic;
  font-weight: 400;
  background: var(--gradient-gold-foil);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 2.5rem;
  max-width: 540px;
  font-weight: 300;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

/* Luxury Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 1.1rem 2.4rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-gold);
  transition: all var(--transition-fast);
  border: 1px solid var(--color-gold-400);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-hover);
  filter: brightness(1.08);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 1.1rem 2.2rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--color-gold-400);
  color: var(--color-gold-200);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-number {
  font-family: var(--font-serif-heading);
  font-size: 1.8rem;
  color: var(--color-gold-300);
  font-weight: 700;
  display: block;
}

.hero-stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

/* ==========================================================================
   THE 7 GOLDEN PILLARS RIBBON (From original artwork)
   ========================================================================== */
.claims-ribbon {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 2.2rem 0;
  position: relative;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.claims-header {
  text-align: center;
  margin-bottom: 1.6rem;
}

.claims-subtitle {
  font-family: var(--font-serif-heading);
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold-700);
}

.claims-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1.2rem;
  text-align: center;
}

.claim-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 0.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.claim-card:hover {
  background: var(--color-gold-100);
  border-color: var(--color-border);
  transform: translateY(-3px);
}

.claim-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--color-gold-400);
  background: linear-gradient(145deg, #FFFDF8 0%, #F5ECE0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.15);
  transition: all var(--transition-fast);
}

.claim-card:hover .claim-icon-wrapper {
  background: var(--gradient-gold);
  transform: scale(1.08);
}

.claim-icon {
  width: 24px;
  height: 24px;
  stroke: var(--color-gold-700);
  fill: none;
  stroke-width: 1.8;
  transition: stroke var(--transition-fast);
}

.claim-card:hover .claim-icon {
  stroke: var(--color-obsidian);
}

.claim-title {
  font-family: var(--font-serif-heading);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-charcoal);
}

/* ==========================================================================
   FEATURED ROYAL COLLECTION (LANCOME STYLE PRODUCT GRID)
   ========================================================================== */
.collection-section {
  padding: 6.5rem 0;
  background: var(--color-cream);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gold-700);
  font-weight: 700;
  margin-bottom: 0.8rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-obsidian);
  margin-bottom: 1.2rem;
}

.section-subtitle {
  font-size: 0.98rem;
  color: var(--color-muted);
  line-height: 1.7;
}

/* Filter Tabs */
.collection-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-size: 0.76rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-charcoal);
  background: var(--color-white);
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-obsidian);
  color: var(--color-gold-300);
  border-color: var(--color-obsidian);
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

.product-badge-flag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 5;
  background: var(--color-obsidian);
  color: var(--color-gold-300);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gold-600);
}

.product-badge-flag.best-seller {
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  border: none;
}

.product-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, #FFFFFF 0%, #F7F3EE 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-media img {
  transform: scale(1.04);
}

.product-quick-actions {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background: linear-gradient(180deg, transparent 0%, rgba(13, 13, 15, 0.85) 100%);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 4;
}

.product-card:hover .product-quick-actions {
  opacity: 1;
  transform: translateY(0);
}

.btn-quick-view {
  flex: 1;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-obsidian);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
}

.btn-quick-view:hover {
  background: var(--color-gold-500);
  color: var(--color-white);
}

.product-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.stars {
  color: var(--color-gold-500);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.rating-count {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.product-category {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold-700);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.product-name {
  font-family: var(--font-serif-display);
  font-size: 1.22rem;
  color: var(--color-obsidian);
  margin-bottom: 0.4rem;
  font-weight: 600;
  line-height: 1.25;
}

.product-benefit {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.4;
  margin-bottom: 0.8rem;
}

.product-scent {
  font-size: 0.72rem;
  color: var(--color-gold-800);
  font-style: italic;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px dashed var(--color-border);
}

.product-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.product-price-block {
  display: flex;
  flex-direction: column;
}

.product-price {
  font-family: var(--font-serif-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-obsidian);
}

.product-size {
  font-size: 0.68rem;
  color: var(--color-muted);
}

.btn-add-bag {
  background: var(--color-obsidian);
  color: var(--color-white);
  padding: 0.65rem 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-obsidian);
  transition: all var(--transition-fast);
}

.btn-add-bag:hover {
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  border-color: var(--color-gold-400);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.35);
}

/* ==========================================================================
   THE GRAND ROYAL RITUAL BUNDLE (Full Hero Spotlight Banner)
   ========================================================================== */
.bundle-spotlight {
  background: var(--color-obsidian);
  color: var(--color-white);
  padding: 6.5rem 0;
  position: relative;
  overflow: hidden;
}

.bundle-spotlight::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: var(--gradient-gold-radial);
  pointer-events: none;
}

.bundle-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.bundle-image-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.bundle-image-box img {
  width: 100%;
  height: auto;
  transition: transform 0.8s ease;
}

.bundle-image-box:hover img {
  transform: scale(1.03);
}

.bundle-tag {
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 1.2rem;
}

.bundle-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.bundle-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
}

.bundle-perks-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.bundle-perk-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--color-gold-200);
}

.bundle-perk-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-gold-400);
  flex-shrink: 0;
}

.bundle-pricing {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
}

.bundle-current-price {
  font-family: var(--font-serif-heading);
  font-size: 2.2rem;
  color: var(--color-gold-300);
  font-weight: 700;
}

.bundle-original-price {
  font-size: 1.3rem;
  text-decoration: line-through;
  color: rgba(255, 255, 255, 0.4);
}

.bundle-save-badge {
  background: rgba(197, 160, 89, 0.2);
  color: var(--color-gold-300);
  border: 1px solid var(--color-gold-500);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   THE INGREDIENTS SPOTLIGHT (Sensory Olfactive Alchemy)
   ========================================================================== */
.ingredients-section {
  padding: 6.5rem 0;
  background: var(--color-white);
  position: relative;
}

.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4.5rem;
  align-items: center;
}

.ingredients-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.ingredients-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.ingredients-visual:hover img {
  transform: scale(1.04);
}

.ingredient-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ingredient-card {
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-cream);
  transition: all var(--transition-fast);
}

.ingredient-card:hover {
  background: var(--color-gold-100);
  border-color: var(--color-border);
  transform: translateX(6px);
}

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

.ingredient-name {
  font-family: var(--font-serif-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-obsidian);
}

.ingredient-origin {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold-700);
  font-weight: 600;
}

.ingredient-text {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-muted);
}

/* ==========================================================================
   THE 4-STEP ROYAL RITUAL GUIDE
   ========================================================================== */
.ritual-section {
  padding: 6.5rem 0;
  background: var(--color-ivory);
}

.ritual-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.ritual-steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gold-400) 50%, transparent 100%);
  z-index: 1;
}

.ritual-step-card {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1.2rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.ritual-step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-obsidian);
  color: var(--color-gold-300);
  font-family: var(--font-serif-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  border: 2px solid var(--color-gold-500);
}

.step-product-thumb {
  width: 100px;
  height: 100px;
  margin: 0 auto 1.2rem;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

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

.step-action {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold-700);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.step-title {
  font-family: var(--font-serif-display);
  font-size: 1.15rem;
  color: var(--color-obsidian);
  margin-bottom: 0.6rem;
}

.step-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* ==========================================================================
   HAIR DIAGNOSTIC ROUTINE FINDER QUIZ CTA
   ========================================================================== */
.quiz-banner {
  background: linear-gradient(135deg, #18181C 0%, #0E0E10 100%);
  color: var(--color-white);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.quiz-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.quiz-banner-content {
  max-width: 650px;
}

.quiz-banner-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 400;
  margin-bottom: 0.8rem;
}

.quiz-banner-desc {
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
}

/* ==========================================================================
   CLINICAL EFFICACY & TESTIMONIALS
   ========================================================================== */
.reviews-section {
  padding: 6.5rem 0;
  background: var(--color-white);
}

.clinical-proof-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  background: var(--color-gold-100);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 5rem;
  text-align: center;
}

.proof-metric {
  font-family: var(--font-serif-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-gold-700);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.proof-label {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-charcoal);
  font-weight: 500;
  line-height: 1.4;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  background: var(--color-cream);
  padding: 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}

.review-stars {
  color: var(--color-gold-500);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.review-quote {
  font-family: var(--font-serif-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-obsidian);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.review-text {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.review-author {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
}

.author-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-charcoal);
}

.verified-badge {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold-700);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ==========================================================================
   VIP MAISON NEWSLETTER
   ========================================================================== */
.newsletter-section {
  padding: 6rem 0;
  background: var(--color-obsidian);
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter-box {
  max-width: 640px;
  margin: 0 auto;
}

.newsletter-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400;
  margin-bottom: 1rem;
}

.newsletter-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto 1rem;
}

.newsletter-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: 0.85rem;
  outline: none;
  transition: all var(--transition-fast);
}

.newsletter-input:focus {
  border-color: var(--color-gold-400);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.newsletter-notice {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ==========================================================================
   LANCOME STYLE PRESTIGE FOOTER
   ========================================================================== */
.site-footer {
  background: #08080A;
  color: #B5B2AC;
  padding: 5rem 0 2rem;
  font-size: 0.82rem;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-perks-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 3.5rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-perk {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-perk-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-gold-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold-300);
}

.footer-perk-title {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.footer-perk-sub {
  font-size: 0.72rem;
  color: #8E8A85;
}

.footer-columns {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-col-title {
  font-family: var(--font-serif-heading);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1.4rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a:hover {
  color: var(--color-gold-300);
}

.footer-brand-bio {
  font-size: 0.85rem;
  line-height: 1.7;
  color: #8E8A85;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  border-color: var(--color-gold-400);
  color: var(--color-gold-300);
  background: rgba(212, 175, 55, 0.1);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: #6C6863;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

/* ==========================================================================
   SLIDE-OVER SHOPPING BAG DRAWER
   ========================================================================== */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 460px;
  height: 100%;
  background: var(--color-white);
  z-index: 201;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.25);
}

.cart-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.5rem 1.8rem;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-family: var(--font-serif-heading);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.btn-close-drawer {
  font-size: 1.5rem;
  color: var(--color-charcoal);
  line-height: 1;
  padding: 0.2rem;
}

.btn-close-drawer:hover {
  color: var(--color-gold-700);
}

/* Shipping Goal Progress Bar */
.shipping-tier-box {
  background: var(--color-gold-100);
  padding: 1rem 1.8rem;
  border-bottom: 1px solid var(--color-border);
}

.shipping-status-text {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.5rem;
}

.shipping-status-text strong {
  color: var(--color-gold-700);
}

.shipping-progress-track {
  width: 100%;
  height: 5px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.shipping-progress-bar {
  height: 100%;
  width: 60%;
  background: var(--gradient-gold);
  border-radius: var(--radius-full);
  transition: width var(--transition-fast);
}

/* Drawer Cart Items List */
.drawer-items-list {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.cart-item-thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  background: #FDFCF9;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.cart-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-name {
  font-family: var(--font-serif-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-obsidian);
  margin-bottom: 0.2rem;
}

.cart-item-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-gold-700);
  margin-bottom: 0.4rem;
}

.cart-qty-ctrl {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: fit-content;
}

.cart-qty-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-charcoal);
}

.cart-qty-num {
  padding: 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
}

.btn-remove-item {
  font-size: 0.72rem;
  color: var(--color-muted);
  text-decoration: underline;
  cursor: pointer;
}

.btn-remove-item:hover {
  color: #B91C1C;
}

/* Empty Cart State */
.cart-empty-state {
  text-align: center;
  padding: 3rem 1rem;
  display: none;
}

.cart-empty-state.active {
  display: block;
}

.cart-empty-title {
  font-family: var(--font-serif-display);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.cart-empty-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

/* Drawer Footer */
.drawer-footer {
  padding: 1.5rem 1.8rem;
  background: #FAF8F5;
  border-top: 1px solid var(--color-border);
}

.promo-code-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.promo-input {
  flex: 1;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  outline: none;
}

.btn-apply-promo {
  background: var(--color-obsidian);
  color: var(--color-white);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0 1rem;
  border-radius: var(--radius-sm);
}

.cart-subtotal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.88rem;
}

.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  font-family: var(--font-serif-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-obsidian);
}

.btn-checkout {
  width: 100%;
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gold-400);
  box-shadow: var(--shadow-gold);
}

.btn-checkout:hover {
  filter: brightness(1.08);
  box-shadow: var(--shadow-gold-hover);
}

/* ==========================================================================
   QUICK VIEW MODAL
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(13, 13, 15, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--color-white);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-charcoal);
  z-index: 10;
  cursor: pointer;
}

.modal-close-btn:hover {
  background: var(--color-gold-500);
  color: var(--color-white);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  padding: 2.5rem;
}

.modal-gallery-view {
  background: radial-gradient(circle, #FFFFFF 0%, #F7F3EE 100%);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-gallery-view img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-details {
  display: flex;
  flex-direction: column;
}

.modal-category {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold-700);
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.modal-product-title {
  font-family: var(--font-serif-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-obsidian);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.modal-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.modal-price {
  font-family: var(--font-serif-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-obsidian);
}

.modal-size-tag {
  font-size: 0.8rem;
  color: var(--color-muted);
}

.modal-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #4A4642;
  margin-bottom: 1.4rem;
}

.modal-key-benefits {
  background: var(--color-cream);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  border-left: 3px solid var(--color-gold-500);
}

.modal-key-benefits li {
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-key-benefits li:last-child {
  margin-bottom: 0;
}

.modal-cta-row {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

/* ==========================================================================
   INTERACTIVE HAIR ROUTINE FINDER QUIZ MODAL
   ========================================================================== */
.quiz-dialog {
  max-width: 650px;
  padding: 2.5rem;
}

.quiz-step-title {
  font-family: var(--font-serif-display);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.quiz-step-subtitle {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.quiz-options-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.quiz-opt-btn {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  text-align: left;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.quiz-opt-btn:hover,
.quiz-opt-btn.selected {
  background: var(--color-gold-100);
  border-color: var(--color-gold-600);
  box-shadow: 0 4px 12px rgba(197, 160, 89, 0.2);
}

.quiz-opt-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  color: var(--color-charcoal);
}

.quiz-opt-desc {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.toast {
  background: var(--color-obsidian);
  color: var(--color-white);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gold-500);
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1100px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bundle-grid {
    grid-template-columns: 1fr;
  }
  .ingredients-grid {
    grid-template-columns: 1fr;
  }
  .claims-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .clinical-proof-banner {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: flex;
    font-size: 1.4rem;
    color: var(--color-charcoal);
  }
  .claims-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .ritual-steps-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ritual-steps-grid::before {
    display: none;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-perks-row {
    grid-template-columns: 1fr 1fr;
  }
  .modal-body {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }
}

/* ==========================================================================
   BEFORE & AFTER HAIR TRANSFORMATION SLIDER
   ========================================================================== */
.transformation-section {
  padding: 6.5rem 0;
  background: var(--color-obsidian);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.transformation-container {
  max-width: 1080px;
  margin: 0 auto;
}

.transformation-tabs-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.2rem;
}

.transformation-tabs-label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold-300);
  font-weight: 600;
}

.transformation-tabs {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(197, 160, 89, 0.35);
  padding: 0.35rem;
  border-radius: var(--radius-full);
  gap: 0.4rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.trans-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.trans-tab-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: all var(--transition-fast);
}

.trans-tab-btn:hover {
  color: #FFF;
  background: rgba(255, 255, 255, 0.08);
}

.trans-tab-btn.active {
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.45);
}

.trans-tab-btn.active .trans-tab-dot {
  background: var(--color-obsidian);
}

.comparison-slider-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid var(--color-border);
  user-select: none;
  touch-action: pan-y;
  cursor: ew-resize;
  background: #121215;
}

.comparison-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.comparison-layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.layer-before {
  clip-path: inset(0 calc(100% - var(--split-pos, 50%)) 0 0);
  z-index: 2;
}

.layer-after {
  z-index: 1;
}

/* Slider Bar & Handle */
.slider-divider-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split-pos, 50%);
  width: 3px;
  background: var(--gradient-gold);
  z-index: 10;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.8);
}

.slider-handle-btn {
  position: absolute;
  top: 50%;
  left: var(--split-pos, 50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  transform: translate(-50%, -50%);
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 20px rgba(212, 175, 55, 0.7);
  border: 2px solid #FFF;
  cursor: ew-resize;
  pointer-events: auto;
}

.comparison-badge {
  position: absolute;
  bottom: 1.5rem;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  z-index: 8;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge-before {
  left: 1.5rem;
  background: rgba(13, 13, 15, 0.75);
  color: #D1CEC7;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-after {
  right: 1.5rem;
  background: rgba(212, 175, 55, 0.85);
  color: var(--color-obsidian);
  border: 1px solid #FFF;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.slider-drag-hint {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold-400);
  margin-top: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

/* ==========================================================================
   INTERACTIVE 360° 3D BOTTLE VIEW
   ========================================================================== */
.bottle-3d-section {
  padding: 6.5rem 0;
  background: var(--color-white);
  position: relative;
}

.bottle-3d-container {
  max-width: 1150px;
  margin: 0 auto;
}

.bottle-3d-card {
  background: radial-gradient(circle at 50% 40%, #FFFDF8 0%, #F5ECE0 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.bottle-3d-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 480px;
  perspective: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  cursor: grab;
}

.bottle-3d-viewport:active {
  cursor: grabbing;
}

.bottle-3d-model-wrapper {
  position: relative;
  width: 82%;
  height: 82%;
  transform-style: preserve-3d;
  transition: transform 0.08s ease-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottle-3d-model-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 25px rgba(147, 111, 44, 0.25));
  pointer-events: none;
}

/* Dynamic Specular Gold Foil Sheen Overlay */
.bottle-specular-glint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: color-dodge;
  opacity: 0.75;
  background: linear-gradient(
    calc(90deg + var(--rot-deg, 0deg)),
    transparent 0%,
    rgba(212, 175, 55, 0.15) 30%,
    rgba(255, 255, 255, 0.85) 50%,
    rgba(212, 175, 55, 0.25) 70%,
    transparent 100%
  );
  border-radius: 20px;
  transition: opacity var(--transition-fast);
}

.bottle-dial-gauge {
  position: absolute;
  bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold-800);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.bottle-3d-controls {
  display: flex;
  flex-direction: column;
}

.product-3d-nav {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.btn-3d-select {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-charcoal);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-3d-select.active,
.btn-3d-select:hover {
  background: var(--color-obsidian);
  color: var(--color-gold-300);
  border-color: var(--color-obsidian);
}

.bottle-3d-specs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.8rem 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.88rem;
  color: #383531;
}

.spec-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-gold-600);
  flex-shrink: 0;
}

.rotation-slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.rotation-slider {
  flex: 1;
  accent-color: var(--color-gold-500);
  cursor: pointer;
}

@media (max-width: 900px) {
  .hero-section {
    height: auto;
    min-height: auto;
    padding-top: 2rem;
    flex-direction: column-reverse;
  }
  .hero-backdrop {
    position: relative;
    width: 100%;
    height: 480px;
    display: block;
  }
  .hero-backdrop img {
    position: relative;
    width: 100%;
    height: 100%;
    object-position: right top;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .hero-overlay {
    background: linear-gradient(to top, rgba(13, 13, 15, 0.95) 0%, transparent 40%);
  }
  .bottle-3d-card {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
}

@media (max-width: 580px) {
  .container {
    padding: 0 1.2rem;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .claims-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ritual-steps-grid {
    grid-template-columns: 1fr;
  }
  .quiz-banner-inner {
    flex-direction: column;
    text-align: center;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .clinical-proof-banner {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr;
  }
  .footer-perks-row {
    grid-template-columns: 1fr;
  }
  .quiz-options-list {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   AMBIENT GOLD SHIMMER CANVAS
   ========================================================================== */
.gold-shimmer-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* ==========================================================================
   STICKY MICRO-ADD-TO-BAG FLOATING BAR
   ========================================================================== */
.sticky-quick-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 990;
  background: linear-gradient(135deg, rgba(13, 13, 15, 0.95) 0%, rgba(24, 24, 28, 0.97) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.6);
  padding: 0.75rem 1.5rem;
  transform: translateY(115%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.sticky-quick-bar.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.sticky-bar-container {
  max-width: 1360px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.sticky-bar-left {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  min-width: 0;
}

.sticky-bar-thumb {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.4);
  flex-shrink: 0;
  background: #111;
}

.sticky-bar-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.25s ease;
}

.sticky-bar-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sticky-bar-badge {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold-400);
}

.sticky-bar-title {
  font-family: var(--font-serif-display);
  font-size: 0.98rem;
  color: #FFF;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.1rem;
}

.sticky-bar-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
}

.sticky-bar-rating .stars {
  color: var(--color-gold-400);
  letter-spacing: 1px;
}

.sticky-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.sticky-product-select-wrapper {
  position: relative;
}

.sticky-product-select {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: #FFF;
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

.sticky-product-select:focus,
.sticky-product-select:hover {
  border-color: var(--color-gold-400);
  background: rgba(255, 255, 255, 0.12);
}

.sticky-product-select option {
  background: #18181C;
  color: #FFF;
}

.sticky-bar-price-box {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.sticky-bar-price {
  font-family: var(--font-serif-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gold-300);
}

.sticky-bar-original {
  font-size: 0.85rem;
  text-decoration: line-through;
  color: rgba(255, 255, 255, 0.4);
}

.sticky-btn-add-bag {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--gradient-gold);
  color: var(--color-obsidian);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
  transition: all var(--transition-fast);
}

.sticky-btn-add-bag:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.sticky-btn-dismiss {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sticky-btn-dismiss:hover {
  color: #FFF;
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 900px) {
  .sticky-bar-container {
    flex-wrap: wrap;
    gap: 0.8rem;
  }
  .sticky-bar-left {
    width: 100%;
  }
  .sticky-bar-right {
    width: 100%;
    justify-content: space-between;
  }
  .sticky-product-select-wrapper {
    flex: 1;
  }
  .sticky-product-select {
    width: 100%;
  }
}