:root {
  /* Luxury Minimalist Palette - OKLCH */
  --pearl-white: oklch(98% 0.01 200);
  --sage-green: oklch(85% 0.08 160);
  --soft-silver: oklch(92% 0.01 200);
  --glass-white: rgba(255, 255, 255, 0.4);
  --text-main: oklch(30% 0.02 200);
  --text-muted: oklch(50% 0.02 200);
  --accent: var(--sage-green);
  --white: #ffffff;
  
  --transition-slow: 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-med: 0.6s 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(--pearl-white);
  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: 0.3em;
  color: var(--accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: var(--transition-slow);
}

.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: var(--glass-white);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.4em;
  font-size: 1.1rem;
}

nav a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  margin-left: 2.5rem;
  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;
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
  background: radial-gradient(circle at 70% 20%, var(--soft-silver) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, var(--sage-green) 0%, transparent 40%);
  background-blend-mode: soft-light;
}

.hero-title {
  font-size: clamp(2.8rem, 10vw, 5rem);
  line-height: 1.1;
  margin-bottom: 2rem;
  font-weight: 400;
}

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

.hero-product-name {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ko-name {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.en-name {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  opacity: 0.7;
}

.hero-visual {
  margin-bottom: 4rem;
}

.image-wrapper {
  position: relative;
  width: clamp(260px, 45vw, 400px);
  aspect-ratio: 3/4;
  margin: 0 auto;
  border-radius: 1rem;
  padding: 10px;
  background: var(--glass-white);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(5px);
  animation: float 8s ease-in-out infinite;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0.5rem;
}

.cta-button {
  background: var(--text-main);
  color: var(--white);
  border: none;
  padding: 1.2rem 2.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 100px;
  cursor: pointer;
  transition: transform 0.3s, background 0.3s, box-shadow 0.3s;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
  transform: translateY(-3px);
  background: var(--accent);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.cta-scroll {
  margin-top: 4rem;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  opacity: 0.5;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-15px) rotate(1deg); }
}

/* Detail Section & Melting Capsule Animation */
.detail-section {
  padding: 10rem 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 6rem;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.animation-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.capsule-visual {
  position: relative;
  height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.capsule {
  width: 60px;
  height: 120px;
  background: var(--soft-silver);
  border-radius: 100px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  transition: transform 1.5s, opacity 1s, filter 1s;
  z-index: 2;
}

.capsule-inner {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--white) 0%, var(--sage-green) 100%);
  opacity: 0.8;
}

.skin-surface {
  position: absolute;
  bottom: 100px;
  width: 200px;
  height: 20px;
  background: var(--pearl-white);
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  z-index: 1;
}

.absorption-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 100%;
  height: 100%;
  border: 2px solid var(--sage-green);
  border-radius: 50%;
  opacity: 0;
  transition: transform 1s, opacity 1s;
}

/* Melting State */
.capsule.melting {
  transform: translateY(120px) scale(0.5);
  opacity: 0;
  filter: blur(10px);
}

.absorption-ripple.active {
  transform: translate(-50%, -50%) scale(2);
  opacity: 0.5;
}

.animation-text h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.animation-text p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Effects Section */
.effects-section {
  padding: 10rem 0;
  background: var(--pearl-white);
}

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

.effect-card {
  padding: 4rem 3rem;
  background: var(--white);
  border-radius: 2rem;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.03);
  transition: transform 0.5s;
}

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

.effect-icon {
  font-family: 'Libre Baskerville', serif;
  font-size: 3rem;
  color: var(--soft-silver);
  margin-bottom: 2rem;
  opacity: 0.5;
}

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

.effect-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Ingredients Section */
.ingredients-section {
  padding: 10rem 0;
  background: var(--white);
}

.technical-infographics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4rem;
}

.info-item {
  text-align: center;
}

.info-visual {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-ring {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
}

.info-value {
  font-size: 1.2rem;
  font-weight: 700;
}

.info-value small {
  font-size: 0.6rem;
  text-transform: uppercase;
  margin-left: 2px;
}

.info-item h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.info-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Safety Section */
.safety-section {
  padding: 8rem 0;
}

.glass-card {
  background: var(--glass-white);
  backdrop-filter: blur(20px);
  padding: 5rem;
  border-radius: 3rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  max-width: 800px;
  margin: 0 auto;
}

.ewg-badge {
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
}

.ewg-text {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.green-grade {
  font-size: 0.8rem;
  font-weight: 700;
  color: #2e7d32;
  letter-spacing: 0.3em;
}

.safety-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.safety-content p {
  color: var(--text-muted);
}

/* Footer */
.main-footer {
  padding: 6rem 0;
  border-top: 1px solid var(--soft-silver);
  text-align: center;
}

.footer-logo {
  font-weight: 700;
  letter-spacing: 0.5em;
  margin-bottom: 2rem;
  font-size: 1.2rem;
}

.main-footer p {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  opacity: 0.5;
}

/* Responsive */
@media (max-width: 1024px) {
  .animation-container {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }
  .effects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .effects-grid, .technical-infographics {
    grid-template-columns: 1fr;
  }
  .main-nav {
    padding: 1rem;
  }
  nav a {
    margin-left: 1.2rem;
    font-size: 0.65rem;
  }
  .hero-title {
    font-size: 3rem;
  }
  .glass-card {
    padding: 3rem 1.5rem;
  }
}