/* ============================================================
   BerryBrim — Design System & Component Styles
   "Clinical Organic" Aesthetic
   ============================================================ */

/* --- Google Font --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --white: #FFFFFF;
  --off-white: #FAFAFA;
  --lab-grey: #F5F5F5;
  --border-grey: #E5E5E5;
  --muted-grey: #888888;
  --dark-grey: #333333;
  --onyx: #111111;
  --onyx-deep: #0A0A0A;

  --purple: #4A1D6A;
  --purple-light: #6B3FA0;
  --purple-glow: rgba(74, 29, 106, 0.3);
  --purple-subtle: rgba(74, 29, 106, 0.08);

  --gold: #C4882F;
  --gold-light: #D4A04F;
  --gold-glow: rgba(196, 136, 47, 0.3);
  --gold-subtle: rgba(196, 136, 47, 0.08);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;
  --text-hero: clamp(3rem, 7vw, 5.5rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  --space-section: clamp(5rem, 10vw, 10rem);

  /* Layout */
  --max-width: 1280px;
  --max-width-narrow: 960px;

  /* Transitions */
  --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 0.2s;
  --duration-base: 0.4s;
  --duration-slow: 0.8s;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --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 8px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.12);
  --shadow-purple: 0 8px 40px rgba(74, 29, 106, 0.15);
  --shadow-gold: 0 8px 40px rgba(196, 136, 47, 0.15);
}

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

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

body {
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--onyx);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-md);
  transition: opacity 0.6s var(--ease-out-cubic), visibility 0.6s;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader__logo-img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

.preloader__bar {
  width: 120px;
  height: 2px;
  background: var(--border-grey);
  border-radius: 2px;
  overflow: hidden;
}

.preloader__bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--gold));
  border-radius: 2px;
  animation: preloaderFill 1.5s var(--ease-out-expo) forwards;
}

@keyframes preloaderFill {
  to { width: 100%; }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background var(--duration-base) var(--ease-out-cubic),
              backdrop-filter var(--duration-base),
              box-shadow var(--duration-base);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav__logo {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 10;
}

.nav__logo-img {
  height: 100px;
  width: auto;
  object-fit: contain;
  transition: transform var(--duration-fast) var(--ease-out-cubic);
}

.nav__logo:hover .nav__logo-img {
  transform: scale(1.05);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted-grey);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--duration-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--purple);
  transition: width var(--duration-base) var(--ease-out-cubic);
}

.nav__link:hover {
  color: var(--onyx);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--white);
  background: var(--onyx);
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.nav__cta:hover {
  background: var(--purple);
  transform: scale(1.03);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 10;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--onyx);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out-cubic);
}

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

.hero__canvas-container {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__canvas-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-2xl);
}

.hero__text {
  max-width: 600px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 16px;
  background: var(--purple-subtle);
  border: 1px solid rgba(74, 29, 106, 0.12);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: var(--space-lg);
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--purple);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero__headline {
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--onyx);
  margin-bottom: var(--space-lg);
}

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

.hero__subheadline {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--muted-grey);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --- Magnetic CTA Button --- */
.btn-magnetic {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s;
  will-change: transform;
}

.btn-magnetic--primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--purple) 0%, #5e2d82 100%);
  box-shadow: var(--shadow-purple);
}

.btn-magnetic--primary:hover {
  box-shadow: 0 12px 48px rgba(74, 29, 106, 0.3);
}

.btn-magnetic--secondary {
  color: var(--onyx);
  background: transparent;
  border: 1.5px solid var(--border-grey);
}

.btn-magnetic--secondary:hover {
  border-color: var(--onyx);
}

.btn-magnetic__icon {
  display: inline-flex;
  transition: transform 0.3s var(--ease-out-cubic);
}

.btn-magnetic:hover .btn-magnetic__icon {
  transform: translateX(4px);
}

/* Hero visual area */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  aspect-ratio: 1;
}

.hero__image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.15));
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Decorative elements behind hero image */
.hero__glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  pointer-events: none;
}

.hero__glow--purple {
  background: var(--purple);
  top: 10%;
  right: 10%;
}

.hero__glow--gold {
  background: var(--gold);
  bottom: 10%;
  left: 10%;
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.hero__scroll-indicator span {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-grey);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--border-grey);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--purple);
  animation: scrollDown 2s var(--ease-in-out) infinite;
}

@keyframes scrollDown {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ============================================================
   CLINICAL PROOF SECTION
   ============================================================ */
.clinical {
  padding: var(--space-section) 0;
  background: var(--lab-grey);
  position: relative;
}

.clinical__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.clinical__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: var(--space-md);
}

.clinical__label::before,
.clinical__label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--purple);
  opacity: 0.3;
}

.clinical__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--onyx);
  margin-bottom: var(--space-md);
}

.clinical__subtitle {
  font-size: var(--text-lg);
  color: var(--muted-grey);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Benefits Grid */
.clinical__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.clinical__card {
  background: var(--white);
  border: 1px solid var(--border-grey);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: transform var(--duration-base) var(--ease-out-cubic),
              box-shadow var(--duration-base),
              border-color var(--duration-base);
  position: relative;
  overflow: hidden;
}

.clinical__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--gold));
  opacity: 0;
  transition: opacity var(--duration-base);
}

.clinical__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.clinical__card:hover::before {
  opacity: 1;
}

.clinical__card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--purple-subtle);
  color: var(--purple);
  transition: transform 0.5s var(--ease-out-cubic), background 0.3s;
}

.clinical__card:hover .clinical__card-icon {
  transform: scale(1.1);
  background: var(--purple);
  color: var(--white);
}

.clinical__card-icon svg {
  width: 24px;
  height: 24px;
  transition: color 0.3s;
}

.clinical__card:hover .clinical__card-icon svg {
  color: var(--white);
}

.clinical__card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--onyx);
}

.clinical__card-desc {
  font-size: var(--text-sm);
  color: var(--muted-grey);
  line-height: 1.6;
}

/* Nutrition Counters */
.clinical__counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.clinical__counter {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  background: var(--white);
  border: 1px solid var(--border-grey);
  border-radius: var(--radius-lg);
  position: relative;
}

.clinical__counter-value {
  font-size: var(--text-5xl);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--onyx);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.clinical__counter-value .counter-suffix {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--purple);
}

.clinical__counter-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--muted-grey);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.clinical__counter-sublabel {
  font-size: var(--text-xs);
  color: var(--border-grey);
  font-family: var(--font-mono);
  margin-top: 4px;
  letter-spacing: 0.02em;
  color: #bbb;
}

/* ============================================================
   PRODUCT SHOWCASE SECTION
   ============================================================ */
.products {
  padding: var(--space-section) 0;
  background: var(--white);
  overflow: hidden;
}

.products__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.products__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-md);
}

.products__label::before,
.products__label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
  opacity: 0.3;
}

.products__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--onyx);
  margin-bottom: var(--space-md);
}

.products__subtitle {
  font-size: var(--text-lg);
  color: var(--muted-grey);
  max-width: 520px;
  margin: 0 auto;
}

/* Carousel Container */
.carousel {
  position: relative;
  margin: 0 auto;
  max-width: 100%;
}

.carousel__track {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-lg) var(--space-lg) var(--space-2xl);
  scrollbar-width: none;
  scroll-padding: 0 var(--space-lg);
}

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

/* Product Card — Medical Dossier Style */
.product-card {
  flex: 0 0 380px;
  scroll-snap-align: center;
  background: var(--white);
  border: 1px solid var(--border-grey);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out-cubic),
              box-shadow 0.4s var(--ease-out-cubic);
  perspective: 800px;
  will-change: transform;
  position: relative;
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
}

.product-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-md) 0;
}

.product-card__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--muted-grey);
  letter-spacing: 0.04em;
}

.product-card__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: #22c55e;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-card__status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
}

.product-card__image {
  position: relative;
  width: 100%;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  overflow: hidden;
}

.product-card__image img {
  width: 80%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s var(--ease-out-cubic);
  will-change: transform;
}

/* Nutrient Chart Overlay */
.product-card__chart {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 200px;
  height: 200px;
  opacity: 0;
  transition: transform 0.5s var(--ease-out-expo), opacity 0.4s;
  pointer-events: none;
  z-index: 5;
}

.product-card:hover .product-card__chart {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.product-card__chart svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.15));
}

.chart-ring {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transform-origin: center;
  transition: stroke-dashoffset 0.8s var(--ease-out-cubic);
}

.chart-ring--protein {
  stroke: var(--purple);
}

.chart-ring--omega {
  stroke: var(--gold);
}

.chart-ring--antioxidant {
  stroke: #22c55e;
}

/* Chart center label */
.product-card__chart-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.product-card__chart-center span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--onyx);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card__chart-center strong {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--purple);
}

.product-card__info {
  padding: 0 var(--space-md) var(--space-md);
}

.product-card__name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--onyx);
  margin-bottom: 4px;
}

.product-card__tagline {
  font-size: var(--text-sm);
  color: var(--muted-grey);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.product-card__meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.product-card__tag {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--lab-grey);
  color: var(--dark-grey);
  letter-spacing: 0.02em;
}

.product-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  border-top: 1px solid var(--border-grey);
}

.product-card__price {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--onyx);
}

.product-card__price-unit {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--muted-grey);
}

/* Add to Cart Button */
.btn-cart {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--onyx);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  transition: background var(--duration-fast), transform 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-cart:hover {
  background: var(--purple);
  transform: scale(1.03);
}

.btn-cart.added {
  background: #22c55e;
  pointer-events: none;
}

.btn-cart__icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  position: relative;
}

.btn-cart__icon svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: transform 0.3s var(--ease-out-cubic), opacity 0.3s;
}

.btn-cart__icon .icon-check {
  opacity: 0;
  transform: scale(0) rotate(-45deg);
}

.btn-cart.added .btn-cart__icon .icon-cart {
  opacity: 0;
  transform: scale(0) rotate(45deg);
}

.btn-cart.added .btn-cart__icon .icon-check {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.btn-cart__text {
  transition: opacity 0.2s;
}

/* Carousel Navigation */
.carousel__nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.carousel__btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--border-grey);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--onyx);
  transition: all var(--duration-fast);
}

.carousel__btn:hover {
  border-color: var(--onyx);
  background: var(--onyx);
  color: var(--white);
}

.carousel__btn svg {
  width: 20px;
  height: 20px;
}

.carousel__dots {
  display: flex;
  gap: 8px;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-grey);
  transition: all var(--duration-base) var(--ease-out-cubic);
  cursor: pointer;
}

.carousel__dot.active {
  width: 32px;
  border-radius: 4px;
  background: var(--purple);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--onyx-deep);
  color: var(--white);
  padding: var(--space-4xl) 0 var(--space-xl);
  position: relative;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand-name {
  font-size: var(--text-3xl);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.footer__brand-name span {
  display: block;
  color: var(--muted-grey);
  font-size: var(--text-xl);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  margin-top: 4px;
}

.footer__brand-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
  max-width: 280px;
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-grey);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--duration-fast);
}

.footer__link:hover {
  color: var(--white);
}

/* Newsletter */
.footer__newsletter-text {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.footer__newsletter-form {
  display: flex;
  gap: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast);
}

.footer__newsletter-form:focus-within {
  border-color: var(--purple);
}

.footer__newsletter-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 14px 16px;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--white);
}

.footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.footer__newsletter-btn {
  padding: 14px 20px;
  background: var(--purple);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--duration-fast);
}

.footer__newsletter-btn:hover {
  background: var(--purple-light);
}

/* Footer bottom */
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__contact {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.02em;
}

.footer__contact-item svg {
  width: 14px;
  height: 14px;
  opacity: 0.5;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.2);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS (initial states)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 1200px) {
  .hero__content {
    gap: var(--space-xl);
  }

  .product-card {
    flex: 0 0 340px;
  }
}

@media (max-width: 1024px) {
  .clinical__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 5rem;
  }

  /* Nav mobile */
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 100px var(--space-xl) var(--space-xl);
    box-shadow: -20px 0 60px rgba(0, 0, 0, 0.1);
    transition: right 0.5s var(--ease-out-expo);
    gap: var(--space-lg);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__link {
    font-size: var(--text-lg);
    color: var(--onyx);
  }

  /* Hero mobile */
  .hero__content {
    grid-template-columns: 1fr;
    padding-top: 120px;
    text-align: center;
  }

  .hero__subheadline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__image-wrapper {
    max-width: 300px;
    margin: 0 auto;
  }

  .hero__glow {
    width: 250px;
    height: 250px;
  }

  /* Clinical mobile */
  .clinical__grid {
    grid-template-columns: 1fr;
  }

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

  .clinical__title,
  .products__title {
    font-size: var(--text-3xl);
  }

  /* Products mobile */
  .product-card {
    flex: 0 0 300px;
  }

  /* Footer mobile */
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer__contact {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .hero__headline {
    font-size: 2.5rem;
  }

  .btn-magnetic {
    padding: 14px 28px;
    font-size: var(--text-sm);
  }

  .product-card {
    flex: 0 0 280px;
  }

  .product-card__image {
    height: 260px;
  }

  .clinical__counters {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .clinical__counter {
    padding: var(--space-md);
  }

  .clinical__counter-value {
    font-size: var(--text-3xl);
  }
}