/* ============================================
   ULTRA-PREMIUM REDESIGN - Clean Forte (DE)
   Aesthetic: Luxury Medical / Clinical Premium
   Designed by Antigravity
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
  --primary: #059669; /* Emerald */
  --primary-glow: rgba(5, 150, 105, 0.5);
  --primary-dark: #064e3b;
  --primary-light: #34d399;
  --secondary: #d4af37; /* Royal Gold */
  --secondary-glow: rgba(212, 175, 55, 0.4);
  --dark: #0f172a; /* Deep Charcoal */
  --darker: #020617;
  --light: #f8fafc;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.8);
  --glass-dark: rgba(15, 23, 42, 0.9);
  
  --text-main: #1e293b;
  --text-light: #64748b;
  --text-on-dark: #f1f5f9;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-premium: 0 25px 60px -15px rgba(0, 0, 0, 0.15);
  --shadow-gold: 0 10px 30px var(--secondary-glow);
  
  --transition-fast: 0.2s ease;
  --transition-base: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--light);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, .premium-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* --- Dynamic Backgrounds --- */
.mesh-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: 
    radial-gradient(at 0% 0%, rgba(5, 150, 105, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(212, 175, 55, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(5, 150, 105, 0.05) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(212, 175, 55, 0.05) 0px, transparent 50%);
}

/* --- Header & Navigation --- */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition-base);
}

header.scrolled {
  background: var(--glass-dark);
  backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  font-size: 28px;
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-official {
  font-size: 10px;
  text-transform: uppercase;
  padding: 4px 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  color: var(--white);
  letter-spacing: 1px;
}

/* --- Hero Section --- */
.hero {
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 60px;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: clamp(48px, 6vw, 84px);
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 24px;
  color: var(--text-light);
  margin-bottom: 40px;
  font-weight: 400;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  max-width: 450px;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.15));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(-2deg); }
}

.price-tag {
  position: absolute;
  bottom: 40px;
  right: 0;
  background: var(--darker);
  color: var(--white);
  padding: 20px 30px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-premium);
  display: flex;
  flex-direction: column;
  align-items: center;
  backdrop-filter: blur(10px);
}

.price-current {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary-light);
  font-family: 'Outfit';
}

.price-old {
  font-size: 18px;
  text-decoration: line-through;
  opacity: 0.5;
}

/* --- Premium Components --- */
.btn-primary {
  display: inline-block;
  padding: 22px 50px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: 0 15px 35px var(--primary-glow);
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 45px var(--primary-glow);
}

.card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-premium);
  border: 1px solid rgba(0,0,0,0.03);
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-glow);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: 25px;
  font-size: 32px;
  color: var(--white);
}

/* --- Expert Section --- */
.expert-section {
  padding: 100px 0;
  background: var(--darker);
  color: var(--white);
  position: relative;
}

.expert-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
  padding: 0 20px;
}

.expert-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5);
  border: 2px solid rgba(255,255,255,0.1);
}

.expert-image img {
  width: 100%;
  display: block;
}

.expert-content blockquote {
  font-size: 24px;
  font-style: italic;
  margin: 30px 0;
  line-height: 1.4;
  color: var(--text-on-dark);
  position: relative;
}

.expert-content blockquote::before {
  content: '"';
  font-size: 80px;
  position: absolute;
  top: -40px;
  left: -20px;
  opacity: 0.1;
  color: var(--primary);
}

/* --- Ingredients Grid --- */
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.ingredient-card {
  text-align: center;
  padding: 30px;
}

.ingredient-card img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 5px solid var(--light);
  box-shadow: var(--shadow-md);
}

/* --- Reviews --- */
.reviews-scroll {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding: 40px 20px;
  scrollbar-width: none;
}

.review-card {
  min-width: 350px;
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.review-header img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.stars {
  color: var(--secondary);
  font-size: 14px;
}

/* --- Footer --- */
footer {
  background: var(--darker);
  color: var(--white);
  padding: 100px 0 40px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 60px;
  padding: 0 20px;
}

.footer-logo {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 20px;
}

.footer-links h4 {
  margin-bottom: 25px;
  color: var(--primary-light);
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { 
  color: rgba(255,255,255,0.6); 
  text-decoration: none; 
  transition: var(--transition-fast);
}
.footer-links a:hover { color: var(--white); padding-left: 5px; }

/* --- Responsive --- */
@media (max-width: 968px) {
  .hero-grid, .expert-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-grid { padding-top: 60px; }
  .hero-image { order: -1; }
  .price-tag { position: relative; bottom: 0; right: 0; margin-top: 20px; }
  .expert-image { max-width: 400px; margin: 0 auto; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 42px; }
  .btn-primary { width: 100%; text-align: center; }
}