/* Design System Variables - Velura Modern Dark */
:root {
  --bg: #0A0E27;
  --card: #1A1F3A;
  --text: #FFFFFF;
  --muted: #8B92B2;
  --line: #2D3255;
  --accent: #FF6B9D;
  --cta: #FF6B9D;
  --cta2: #FF4D7A;
  --green: #00FF88;
  --coral: #FFB84D;
  --purple: #9D4EDD;
  --gradient: linear-gradient(135deg, #FF6B9D 0%, #9D4EDD 50%, #4A90E2 100%);
  --gradient-dark: linear-gradient(135deg, #1A1F3A 0%, #2D3255 100%);
  --shadow: 0 8px 32px rgba(255, 107, 157, 0.2), 0 4px 16px rgba(157, 78, 221, 0.15);
  --shadow-lg: 0 20px 60px rgba(255, 107, 157, 0.3), 0 10px 30px rgba(157, 78, 221, 0.2);
  --glow: 0 0 20px rgba(255, 107, 157, 0.5);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  background-image: 
    radial-gradient(at 0% 0%, rgba(255, 107, 157, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(157, 78, 221, 0.1) 0px, transparent 50%);
  color: var(--text);
  line-height: 1.7;
  font-weight: 400;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Container */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Dotted Background */
.dotted-bg {
  background-image: 
    radial-gradient(circle, rgba(255, 107, 157, 0.15) 1px, transparent 1px),
    radial-gradient(circle, rgba(157, 78, 221, 0.1) 1px, transparent 1px);
  background-size: 40px 40px, 60px 60px;
  background-position: 0 0, 20px 20px;
  background-color: var(--bg);
  position: relative;
}

.dotted-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 107, 157, 0.05) 50%, transparent 100%);
  pointer-events: none;
}

/* Announcement Bar */
.announcement-bar {
  background: var(--gradient);
  color: white;
  text-align: center;
  padding: 16px 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow);
}

.announcement-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

.announcement-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    rgba(255, 107, 157, 0.3) 0%, 
    rgba(157, 78, 221, 0.3) 50%, 
    rgba(74, 144, 226, 0.3) 100%);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Product Hero Section */
.product-hero {
  background: var(--gradient-dark);
  padding: 48px 0;
  border-bottom: 2px solid var(--line);
  position: relative;
  overflow: hidden;
}

.product-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 157, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
}

.product-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(157, 78, 221, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
}

.product-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Gallery */
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.thumbnails {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.thumbnails::-webkit-scrollbar {
  display: none;
}

.thumbnail {
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: none;
  padding: 0;
  transition: border-color 0.2s;
}

.thumbnail.active {
  border-color: var(--accent);
  border-width: 3px;
  box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.3), 0 0 20px rgba(255, 107, 157, 0.5);
  transform: scale(1.05);
}

.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gradient-dark);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow), var(--glow);
  border: 2px solid var(--line);
  position: relative;
}

.main-image::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 24px;
  padding: 2px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
}

.main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Purchase Block */
.purchase-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rating-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.stars {
  display: flex;
  gap: 2px;
}

.star {
  color: var(--green);
  font-size: 18px;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  filter: drop-shadow(0 0 4px rgba(0, 255, 136, 0.6));
}

.rating-text {
  font-weight: 600;
}

.reviews, .customers {
  color: var(--muted);
}

.separator {
  color: var(--muted);
}

.sold-badge {
  background: var(--gradient);
  color: white;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 900;
  display: inline-block;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  box-shadow: var(--glow), 0 4px 20px rgba(255, 107, 157, 0.4);
  position: relative;
  overflow: hidden;
}

.sold-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

h1 {
  font-size: 36px;
  line-height: 1.1;
  margin: 0;
  color: var(--text);
  font-weight: 900;
  text-shadow: 0 0 30px rgba(255, 107, 157, 0.3);
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.benefits-list li {
  font-size: 14px;
  color: var(--text);
}

.info-box {
  background: var(--gradient-dark);
  padding: 20px;
  border-radius: 16px;
  font-size: 14px;
  color: var(--text);
  border: 2px solid var(--line);
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.info-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient);
}

.choose-title {
  font-size: 18px;
  margin: 8px 0;
}

/* Package Options */
.package-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.package-option {
  position: relative;
  border: 2px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--gradient-dark);
  display: flex;
  align-items: flex-start;
  gap: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.package-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.package-option:hover {
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--glow);
}

.package-option:hover::before {
  transform: scaleX(1);
}

.package-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.package-radio {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border: 2px solid var(--line);
  border-radius: 50%;
  margin-top: 2px;
  position: relative;
  transition: border-color 0.2s;
}

.package-option.checked .package-radio {
  border-color: var(--text);
  border-width: 2px;
}

.package-option.checked .package-radio::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: var(--text);
  border-radius: 50%;
}

.package-option.checked {
  border-color: var(--accent);
  border-width: 3px;
  background: var(--gradient-dark);
  box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.2), var(--shadow-lg), var(--glow);
  position: relative;
}

.package-option.checked::before {
  transform: scaleX(1);
}

.package-option.popular.checked {
  background: var(--gradient-dark);
}

.package-option.popular.checked::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  padding: 2px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
}

.package-badge {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--gradient);
  color: white;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  z-index: 1;
  box-shadow: var(--glow), 0 6px 20px rgba(255, 107, 157, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

.package-content {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.package-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.package-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.package-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  line-height: 1.3;
}

.package-subtitle {
  font-size: 13px;
  color: #d32f2f;
  font-weight: 500;
}

.package-save-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--coral) 0%, #FF8C42 100%);
  color: white;
  padding: 8px 16px;
  border-radius: 25px;
  font-size: 11px;
  font-weight: 900;
  margin-top: 8px;
  width: fit-content;
  box-shadow: 0 4px 16px rgba(255, 184, 77, 0.4), 0 0 20px rgba(255, 184, 77, 0.3);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.package-price {
  font-size: 28px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.package-price-old {
  font-size: 18px;
  color: var(--muted);
  text-decoration: line-through;
  font-weight: 600;
  opacity: 0.7;
}

/* Buy Button */
.buy-button {
  display: block;
  width: 100%;
  background: var(--gradient);
  color: white;
  border: none;
  padding: 20px 32px;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  text-decoration: none;
  box-shadow: var(--glow), 0 8px 32px rgba(255, 107, 157, 0.4);
  position: relative;
  overflow: hidden;
}

.buy-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.buy-button::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 2px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
}

.buy-button:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--glow), 0 12px 40px rgba(255, 107, 157, 0.5);
}

.buy-button:hover::before {
  left: 100%;
}

.buy-button:hover::after {
  opacity: 1;
}

.payment-icons {
  display: flex;
  justify-content: center;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
}

.guarantees {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.guarantee-item .icon {
  color: var(--green);
  font-weight: bold;
  font-size: 18px;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  filter: drop-shadow(0 0 4px rgba(0, 255, 136, 0.6));
}

/* Sticky CTA Mobile */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gradient-dark);
  border-top: 2px solid var(--line);
  padding: 16px;
  z-index: 1000;
  display: none;
  box-shadow: 0 -8px 32px rgba(0,0,0,0.3), 0 -4px 16px rgba(255, 107, 157, 0.2);
  backdrop-filter: blur(20px);
}

.sticky-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
}

.sticky-button,
a.sticky-button {
  width: 100%;
  background: var(--gradient);
  color: white;
  border: none;
  padding: 18px;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: none;
  display: block;
  text-align: center;
  box-shadow: var(--glow), 0 8px 32px rgba(255, 107, 157, 0.4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.sticky-button::before,
a.sticky-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.sticky-button:hover,
a.sticky-button:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--glow), 0 12px 40px rgba(255, 107, 157, 0.5);
}

.sticky-button:hover::before,
a.sticky-button:hover::before {
  left: 100%;
}

a.sticky-button:hover {
  color: white;
  text-decoration: none;
}

/* Landing Sections */
.landing-section {
  padding: 48px 0;
}

.section-title {
  font-size: 32px;
  text-align: center;
  margin-bottom: 24px;
}

.section-intro {
  text-align: center;
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 32px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.section-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-content h2 {
  font-size: 28px;
  line-height: 1.3;
}

.section-content p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
}

/* Oval Image */
.oval-image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background-color: #f0f0f0;
}

.oval-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Formula Collage */
.formula-collage {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.formula-collage img {
  width: 100%;
  max-width: 200px;
  border-radius: 8px;
}

.formula-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-bar {
  width: 100%;
  height: 8px;
  background-color: var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 20px rgba(255, 107, 157, 0.5), inset 0 0 10px rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.stat-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

.stat-text {
  font-size: 14px;
  line-height: 1.6;
}

.stat-text strong {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 20px;
  font-weight: 900;
  text-shadow: 0 0 20px rgba(255, 107, 157, 0.3);
}

/* CTA Button */
.cta-button,
a.cta-button {
  background: var(--gradient);
  color: white;
  border: none;
  padding: 18px 40px;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 2px;
  width: fit-content;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: inline-block;
  box-shadow: var(--glow), 0 8px 32px rgba(255, 107, 157, 0.4);
  position: relative;
  overflow: hidden;
}

.cta-button::before,
a.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s;
}

.cta-button:hover,
a.cta-button:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--glow), 0 12px 40px rgba(255, 107, 157, 0.5);
  color: white;
  text-decoration: none;
}

.cta-button:hover::before,
a.cta-button:hover::before {
  left: 100%;
}

.cta-subtext {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}

.cta-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 32px;
}

/* Science Stats */
.science-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Customer Grid */
.customer-grid {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background-color: #f0f0f0;
}

.customer-grid img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Promise Grid */
.promise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.promise-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.promise-icon {
  font-size: 32px;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-dark);
  border-radius: 50%;
  border: 3px solid var(--line);
  overflow: hidden;
  position: relative;
  transition: all 0.4s ease;
  box-shadow: var(--shadow);
}

.promise-icon::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  padding: 3px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
}

.promise-item:hover .promise-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--glow), var(--shadow-lg);
}

.promise-item:hover .promise-icon::before {
  opacity: 1;
}

.promise-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promise-item p {
  font-size: 14px;
  font-weight: 500;
}

/* Testimonials */
.testimonials-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 16px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.testimonials-scroll::-webkit-scrollbar {
  height: 6px;
}

.testimonials-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.testimonials-scroll::-webkit-scrollbar-thumb {
  background-color: var(--line);
  border-radius: 3px;
}

.testimonial-card {
  flex: 0 0 280px;
  background: var(--gradient-dark);
  padding: 28px;
  border-radius: 20px;
  border: 2px solid var(--line);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient);
  transform: scaleY(0);
  transition: transform 0.4s ease;
}

.testimonial-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--glow);
  border-color: var(--accent);
}

.testimonial-card:hover::before {
  transform: scaleY(1);
}

.testimonial-stars {
  color: var(--green);
  font-size: 16px;
  letter-spacing: 3px;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  filter: drop-shadow(0 0 4px rgba(0, 255, 136, 0.6));
}

.testimonial-text {
  font-size: 14px;
  line-height: 1.6;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  font-size: 14px;
}

.testimonial-date {
  font-size: 12px;
  color: var(--muted);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--line);
  cursor: pointer;
}

.dot.active {
  background: var(--gradient);
  box-shadow: var(--glow);
  transform: scale(1.3);
}

/* Footer */
.footer {
  background: var(--gradient-dark);
  padding: 60px 0;
  border-top: 2px solid var(--line);
  margin-top: 40px;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-logo {
  font-family: 'Inter', sans-serif;
  font-size: 32px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  text-shadow: 0 0 30px rgba(255, 107, 157, 0.3);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-contact a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.footer-contact a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-payments {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-copyright {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* Tablet Breakpoint */
@media (min-width: 480px) {
  .container {
    padding: 0 24px;
  }

  .product-hero {
    padding: 32px 0;
  }

  h1 {
    font-size: 32px;
  }

  .section-title {
    font-size: 36px;
  }
}

/* Desktop Breakpoint */
@media (min-width: 768px) {
  .product-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 48px;
  }

  .product-gallery {
    flex-direction: row;
    flex: 1;
  }

  .thumbnails {
    flex-direction: column;
    flex: 0 0 100px;
  }

  .main-image {
    flex: 1;
  }

  .purchase-block {
    flex: 0 0 400px;
  }

  .section-layout {
    flex-direction: row;
    align-items: center;
    gap: 48px;
  }

  .section-content {
    flex: 1;
  }

  .section-image {
    flex: 1;
  }

  .formula-collage {
    flex-direction: row;
    justify-content: center;
  }

  .formula-stats {
    flex: 1;
  }

  .science-stats {
    flex: 1;
  }

  .customer-grid {
    flex: 1;
  }

  .promise-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Large Desktop */
@media (min-width: 1024px) {
  .container {
    padding: 0 32px;
  }

  .product-hero {
    padding: 48px 0;
  }

  .landing-section {
    padding: 64px 0;
  }

  .section-layout {
    gap: 64px;
  }

  .purchase-block {
    flex: 0 0 450px;
  }

  .thumbnails {
    flex: 0 0 120px;
  }

  .thumbnail {
    flex: 0 0 100px;
    width: 100px;
    height: 100px;
  }
}