/* ============================================
   Live K-Beauty — Jony Ive Inspired Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --color-bg: #FAFAFA;
  --color-white: #FFFFFF;
  --color-black: #1D1D1F;
  --color-gray-100: #F5F5F7;
  --color-gray-200: #E8E8ED;
  --color-gray-300: #D2D2D7;
  --color-gray-500: #86868B;
  --color-gray-700: #6E6E73;
  --color-pink-50: #FFF5F7;
  --color-pink-100: #FFE4EC;
  --color-pink-200: #F5C2D0;
  --color-pink-400: #E8A0B5;
  --color-pink-500: #D4849B;
  --color-pink-600: #C06B84;
  --color-accent: #D4849B;
  --color-accent-hover: #C06B84;
  --color-gold: #C9A96E;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.1);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition-fast: 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-smooth: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-slow: 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

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

body {
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-black);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent); }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -0.01em; }
h4 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { font-size: 1.05rem; color: var(--color-gray-700); max-width: 680px; }
.text-center { text-align: center; }
.text-center p { margin-left: auto; margin-right: auto; }

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* --- Animations (Jony Ive Style) --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(60px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
@keyframes rotateIn {
  from { opacity: 0; transform: rotate(-5deg) scale(0.95); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}
@keyframes blurIn {
  from { opacity: 0; filter: blur(10px); }
  to { opacity: 1; filter: blur(0); }
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Scroll-triggered animations */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.25, 0.1, 0.25, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.8s cubic-bezier(0.25, 0.1, 0.25, 1); }
.reveal-left.active { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.8s cubic-bezier(0.25, 0.1, 0.25, 1); }
.reveal-right.active { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: all 0.8s cubic-bezier(0.25, 0.1, 0.25, 1); }
.reveal-scale.active { opacity: 1; transform: scale(1); }
.reveal-blur { opacity: 0; filter: blur(10px); transition: all 1s cubic-bezier(0.25, 0.1, 0.25, 1); }
.reveal-blur.active { opacity: 1; filter: blur(0); }

/* Stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.6s; }
.stagger-children > *:nth-child(7) { transition-delay: 0.7s; }
.stagger-children > *:nth-child(8) { transition-delay: 0.8s; }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition-smooth);
}
.nav.scrolled {
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { color: var(--color-accent); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-700);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-smooth);
  border-radius: 1px;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a:hover { color: var(--color-black); }
.nav-cta {
  background: var(--color-black);
  color: var(--color-white) !important;
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-smooth);
}
.nav-cta:hover {
  background: var(--color-accent);
  transform: scale(1.02);
  color: var(--color-white) !important;
}

/* Mobile menu */
.nav-toggle { display: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-black);
  margin: 5px 0;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,245,247,0.7) 50%, rgba(255,255,255,0.5) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-text { animation: fadeInLeft 1s cubic-bezier(0.25, 0.1, 0.25, 1); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-pink-50);
  border: 1px solid var(--color-pink-200);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-pink-600);
  margin-bottom: 24px;
}
.hero-title {
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-image {
  animation: fadeInRight 1s cubic-bezier(0.25, 0.1, 0.25, 1) 0.3s both;
}
.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-primary);
  cursor: pointer;
  border: none;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::before { opacity: 1; }
.btn-primary {
  background: var(--color-black);
  color: var(--color-white);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  color: var(--color-white);
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212,132,155,0.3);
  color: var(--color-white);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-black);
  color: var(--color-black);
}
.btn-outline:hover {
  background: var(--color-black);
  color: var(--color-white);
  transform: translateY(-2px);
}
.btn-glass {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--color-black);
}
.btn-sm { padding: 10px 24px; font-size: 0.9rem; }
.btn-icon { width: 48px; height: 48px; padding: 0; justify-content: center; border-radius: 50%; }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  border: 1px solid rgba(0,0,0,0.04);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.card:hover .card-image img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.card-body { padding: 24px; }
.card-brand {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.card-title {
  font-family: var(--font-primary);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.card-desc {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-bottom: 16px;
  line-height: 1.6;
}
.card-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-black);
}
.card-price .original {
  text-decoration: line-through;
  color: var(--color-gray-300);
  font-size: 0.95rem;
  font-weight: 400;
  margin-left: 8px;
}
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--color-gold);
}
.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 4px;
}
.card-link:hover { gap: 8px; }

/* Product card overlay */
.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.card:hover .card-overlay { opacity: 1; }

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-accent);
}
.section-title { margin-bottom: 16px; }
.section-desc {
  font-size: 1.1rem;
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- Feature Boxes --- */
.feature-box {
  text-align: center;
  padding: 40px 32px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition-smooth);
}
.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-pink-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  transition: all var(--transition-smooth);
}
.feature-box:hover .feature-icon {
  background: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.1);
}
.feature-title {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.feature-desc {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* --- Testimonials --- */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid rgba(0,0,0,0.04);
  transition: all var(--transition-smooth);
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  left: 32px;
  font-size: 4rem;
  font-family: var(--font-display);
  color: var(--color-pink-200);
  line-height: 1;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-gray-700);
  margin-bottom: 24px;
  padding-top: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-pink-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-accent);
  font-size: 1.1rem;
}
.testimonial-name {
  font-weight: 600;
  font-size: 0.95rem;
}
.testimonial-role {
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

/* --- Newsletter --- */
.newsletter {
  background: linear-gradient(135deg, var(--color-black) 0%, #2D2D30 100%);
  border-radius: var(--radius-xl);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.newsletter::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: 0.15;
}
.newsletter h2 { color: var(--color-white); margin-bottom: 16px; }
.newsletter p { color: var(--color-gray-300); margin: 0 auto 32px; }
.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  padding: 16px 24px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
  font-size: 1rem;
  font-family: var(--font-primary);
  outline: none;
  transition: all var(--transition-fast);
}
.newsletter-form input::placeholder { color: var(--color-gray-500); }
.newsletter-form input:focus {
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.12);
}

/* --- Footer --- */
.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand p {
  color: var(--color-gray-500);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 300px;
}
.footer-title {
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-300);
  margin-bottom: 20px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}
.footer-links a:hover { color: var(--color-white); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-gray-500);
}
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: var(--color-gray-500);
}
.footer-social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* --- Skincarisma Badge --- */
.skincarisma-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #E8F5E9 0%, #F1F8E9 100%);
  border: 1px solid #C8E6C9;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #2E7D32;
  transition: all var(--transition-fast);
}
.skincarisma-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(46,125,50,0.15);
  color: #2E7D32;
}

/* --- Marquee / Scrolling Text --- */
.marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 20px 0;
  background: var(--color-black);
}
.marquee-inner {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}
.marquee-item {
  padding: 0 40px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Glass Morphism --- */
.glass {
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
}

/* --- Parallax --- */
.parallax-section {
  position: relative;
  overflow: hidden;
}
.parallax-bg {
  position: absolute;
  inset: -20%;
  z-index: 0;
}
.parallax-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--color-gray-500);
}
.breadcrumbs a { color: var(--color-gray-500); }
.breadcrumbs a:hover { color: var(--color-accent); }
.breadcrumbs span { margin: 0 8px; }

/* --- Product Detail --- */
.product-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.product-main-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
}
.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-main-image:hover img { transform: scale(1.05); }
.product-info { padding: 0 0 0 40px; }
.product-brand-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.product-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
}
.product-price {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 24px;
}
.product-description {
  font-size: 1.05rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  margin-bottom: 32px;
}
.product-actions { display: flex; gap: 16px; margin-bottom: 32px; }
.product-meta {
  border-top: 1px solid var(--color-gray-200);
  padding-top: 24px;
}
.product-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-gray-700);
}

/* --- Floating elements --- */
.float-element {
  animation: float 6s ease-in-out infinite;
}
.float-element-delayed {
  animation: float 6s ease-in-out infinite;
  animation-delay: -3s;
}

/* --- Loading shimmer --- */
.shimmer {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-200) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

/* --- Scroll indicator --- */
.scroll-indicator {
  position: fixed;
  top: 64px;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-pink-400));
  z-index: 999;
  transition: width 0.1s linear;
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-black);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-smooth);
  z-index: 100;
  border: none;
  font-size: 1.2rem;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-4px);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-image { order: -1; }
  .btn-group { justify-content: center; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    animation: fadeInDown 0.3s ease;
  }
  .newsletter { padding: 48px 24px; }
  .newsletter-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .product-info { padding: 24px 0 0; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .container { padding: 0 16px; }
}