:root {
  /* Premium Palette - OKLCH */
  --bg-primary: oklch(98% 0.01 200);
  --bg-secondary: oklch(95% 0.02 180);
  --text-main: oklch(25% 0.02 200);
  --text-muted: oklch(45% 0.02 200);
  --accent: oklch(65% 0.12 180); /* Soft Sage/Teal */
  --accent-light: oklch(90% 0.05 180);
  --white: oklch(100% 0 0);
  --shadow: rgba(0, 0, 0, 0.05);
  
  --transition: 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Libre Baskerville', serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition);
}

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

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bg-secondary);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.3em;
  font-size: 1.2rem;
}

nav a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-left: 2rem;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--accent);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--bg-primary);
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-accent {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
  opacity: 0.4;
  filter: blur(60px);
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-content {
  max-width: 900px;
  width: 100%;
}

.hero-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-weight: 400;
  letter-spacing: 0.5em;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 3rem;
  color: var(--text-main);
}

.hero-title .highlight {
  color: var(--accent);
  font-style: italic;
  position: relative;
}

/* Main Visual Centerpiece */
.hero-main-visual {
  margin-bottom: 4rem;
  perspective: 1000px;
}

.image-wrapper {
  position: relative;
  width: clamp(280px, 50vw, 450px);
  aspect-ratio: 4/5;
  margin: 0 auto;
  border-radius: 2rem;
  background: var(--white);
  padding: 1rem;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.05),
    0 40px 80px rgba(0, 0, 0, 0.1);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  animation: float 6s ease-in-out infinite;
}

.image-wrapper:hover {
  transform: scale(1.02) rotateY(5deg);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1.5rem;
  display: block;
}

.image-glow {
  position: absolute;
  inset: -20px;
  background: var(--accent);
  opacity: 0.1;
  filter: blur(40px);
  border-radius: 50%;
  z-index: -1;
}

.hero-desc {
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 3rem;
}

.cta-scroll {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  position: relative;
  padding-bottom: 10px;
}

.cta-scroll::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s infinite;
}

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

@keyframes scrollLine {
  0% { transform: translateX(-50%) scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: translateX(-50%) scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform: translateX(-50%) scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: translateX(-50%) scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* Product Section */
.product-section {
  padding: 8rem 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 2.5rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-bottom: 6rem;
}

.feature-card {
  background: var(--bg-primary);
  padding: 3rem;
  border-radius: 2rem;
  transition: transform 0.5s;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.effect-list {
  list-style: none;
  margin-top: 1rem;
}

.effect-list li {
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.effect-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Ingredients */
.ingredient-showcase {
  background: var(--bg-secondary);
  padding: 4rem;
  border-radius: 3rem;
  text-align: center;
}

.ingredient-showcase h3 {
  margin-bottom: 3rem;
  font-size: 1.8rem;
}

.ingredient-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.ing-item {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--white);
  border-radius: 1.5rem;
  min-width: 180px;
  box-shadow: 0 10px 30px var(--shadow);
}

.ing-item .value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

.ing-item .name {
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.safety-badge {
  display: inline-flex;
  align-items: center;
  background: var(--accent-light);
  padding: 1rem 2rem;
  border-radius: 100px;
  gap: 1rem;
}

.badge-text {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
}

/* Tech Section */
.tech-section {
  padding: 8rem 0;
  background: var(--bg-primary);
}

.tech-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tech-quote {
  font-family: 'Libre Baskerville', serif;
  font-size: 1.5rem;
  line-height: 1.4;
  font-style: italic;
  margin-bottom: 2.5rem;
  color: var(--accent);
}

.trust-points {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.point strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.point p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.certifications {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cert-box {
  border: 1px solid var(--accent);
  padding: 0.5rem 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 0.5rem;
  color: var(--accent);
}

/* Abstract Visual */
.tech-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-abstract {
  position: relative;
  width: 200px;
  height: 200px;
}

.core-node {
  position: absolute;
  inset: 50px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.5;
  animation: pulse 4s infinite;
}

.orbit {
  position: absolute;
  inset: 0;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.2;
}

.orbit:nth-child(2) { transform: rotateX(60deg) rotateY(30deg); animation: rotate 10s linear infinite; }
.orbit:nth-child(3) { transform: rotateX(-60deg) rotateY(-30deg); animation: rotate 15s linear infinite reverse; }

@keyframes rotate {
  from { transform: rotateX(60deg) rotateY(0); }
  to { transform: rotateX(60deg) rotateY(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.5); opacity: 0.2; }
}

/* Footer */
.main-footer {
  padding: 4rem;
  text-align: center;
  background: var(--white);
  border-top: 1px solid var(--bg-secondary);
}

.main-footer p {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  opacity: 0.5;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .tech-layout {
    grid-template-columns: 1fr;
  }
  .tech-visual {
    height: 300px;
  }
}

@media (max-width: 600px) {
  .hero-title { font-size: 2.8rem; }
  .ingredient-grid { gap: 1rem; }
  .ing-item { min-width: 140px; }
  .main-nav { padding: 1rem; }
  nav a { margin-left: 1rem; }
}
