/* ============================================
   MedTides — Premium Peptide Company
   Light Pharma Design System + Cart
   ============================================ */

/* Google Fonts loaded via <link> tags in HTML for non-blocking rendering */

:root {
  --color-bg-primary: #f4f6fb;
  --color-bg-secondary: #ffffff;
  --color-bg-section-alt: #edf1f9;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f8faff;
  --color-bg-glass: rgba(255, 255, 255, 0.85);
  --color-bg-glass-border: rgba(26, 58, 139, 0.08);
  --color-accent: #1a3a8b;
  --color-accent-light: #2d5dd4;
  --color-accent-bright: #4a7cff;
  --color-accent-glow: rgba(74, 124, 255, 0.12);
  --color-accent-gradient: linear-gradient(135deg, #1a3a8b 0%, #2d5dd4 50%, #4a7cff 100%);
  --color-accent-gradient-hover: linear-gradient(135deg, #2d5dd4 0%, #4a7cff 50%, #6b9aff 100%);
  --color-accent-subtle: rgba(26, 58, 139, 0.06);
  --color-text-primary: #11152a;
  --color-text-secondary: #4a5068;
  --color-text-muted: #8890a8;
  --color-border: rgba(26, 58, 139, 0.1);
  --color-border-accent: rgba(74, 124, 255, 0.25);
  --color-success: #0d9f6e;
  --color-price: #1a3a8b;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --space-xs: 0.25rem; --space-sm: 0.5rem; --space-md: 1rem; --space-lg: 1.5rem;
  --space-xl: 2rem; --space-2xl: 3rem; --space-3xl: 4rem; --space-4xl: 6rem;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 20px; --radius-xl: 28px; --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-card: 0 4px 24px rgba(26,58,139,0.06), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 12px 40px rgba(26,58,139,0.12), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-nav: 0 2px 16px rgba(0,0,0,0.06);
  --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-base: 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.6s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); background: var(--color-bg-primary); color: var(--color-text-primary); line-height: 1.7; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--color-text-primary); }
button { cursor: pointer; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-xl); }
.section { padding: var(--space-4xl) 0; position: relative; }

.section-label { display: inline-flex; align-items: center; gap: var(--space-sm); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-md); padding: var(--space-xs) var(--space-md); background: var(--color-accent-subtle); border: 1px solid var(--color-bg-glass-border); border-radius: var(--radius-full); }
.section-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent-bright); animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity:.5; transform:scale(1); } 50% { opacity:1; transform:scale(1.3); } }
.section-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--space-md); }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-secondary); max-width: 600px; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }
.text-gradient { background: var(--color-accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.bg-glow { position: absolute; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(74,124,255,0.08) 0%, transparent 70%); pointer-events: none; z-index: 0; filter: blur(60px); }
.bg-grid { position: fixed; inset: 0; background-image: linear-gradient(rgba(26,58,139,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(26,58,139,0.03) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; z-index: 0; }

/* --- Navigation --- */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: var(--space-md) 0; transition: all var(--transition-base); background: rgba(244,246,251,0.8); backdrop-filter: blur(20px); }
.navbar.scrolled { background: rgba(255,255,255,0.95); box-shadow: var(--shadow-nav); padding: var(--space-sm) 0; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-logo img { height: 72px; width: auto; transition: transform var(--transition-fast); }
.nav-logo:hover img { transform: scale(1.05); }
.nav-links { display: flex; gap: var(--space-xl); align-items: center; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--color-text-secondary); position: relative; padding: var(--space-xs) 0; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--color-accent-gradient); border-radius: 1px; transition: width var(--transition-base); }
.nav-links a:hover, .nav-links a.active { color: var(--color-accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { padding: var(--space-sm) var(--space-lg) !important; background: var(--color-accent-gradient) !important; border-radius: var(--radius-full) !important; color: white !important; font-weight: 600 !important; }
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(26,58,139,0.3); }

/* Cart Icon */
.nav-cart { position: relative; cursor: pointer; display: flex; align-items: center; padding: var(--space-xs); }
.nav-cart svg { width: 22px; height: 22px; stroke: var(--color-text-secondary); fill: none; stroke-width: 2; transition: stroke var(--transition-fast); }
.nav-cart:hover svg { stroke: var(--color-accent); }
.cart-badge { position: absolute; top: -6px; right: -8px; width: 18px; height: 18px; border-radius: 50%; background: var(--color-accent-bright); color: white; font-size: 0.65rem; font-weight: 700; display: none; align-items: center; justify-content: center; }


/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: var(--space-sm); background: none; border: none; z-index: 1001; }
.hamburger span { width: 24px; height: 2px; background: var(--color-text-primary); border-radius: 2px; transition: all var(--transition-base); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Hero --- */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 80px; background: linear-gradient(180deg, #ffffff 0%, var(--color-bg-primary) 100%); }
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 700px; }
.hero-badge { display: inline-flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-lg); background: var(--color-accent-subtle); border: 1px solid var(--color-bg-glass-border); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; color: var(--color-accent); margin-bottom: var(--space-xl); animation: fadeInUp 0.8s ease-out; }
.hero-badge .badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-success); animation: pulse-dot 2s ease-in-out infinite; }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; line-height: 1.1; margin-bottom: var(--space-xl); animation: fadeInUp 0.8s ease-out 0.1s backwards; }
.hero p { font-size: 1.15rem; color: var(--color-text-secondary); max-width: 520px; margin-bottom: var(--space-2xl); animation: fadeInUp 0.8s ease-out 0.2s backwards; }
.hero-buttons { display: flex; gap: var(--space-md); flex-wrap: wrap; animation: fadeInUp 0.8s ease-out 0.3s backwards; }
.hero-visual { position: absolute; right: -40px; top: 50%; transform: translateY(-50%); width: 500px; height: 500px; opacity: 0.06; z-index: 0; }
.hero-visual img { width: 100%; height: 100%; object-fit: contain; animation: float 6s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-20px) rotate(3deg); } }

/* --- Buttons --- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm); padding: var(--space-md) var(--space-2xl); border-radius: var(--radius-full); font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; cursor: pointer; border: none; transition: all var(--transition-base); text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--color-accent-gradient); color: white; box-shadow: 0 4px 16px rgba(26,58,139,0.2); }
.btn-primary:hover { background: var(--color-accent-gradient-hover); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(26,58,139,0.3); }
.btn-outline { background: transparent; color: var(--color-accent); border: 1.5px solid var(--color-border-accent); }
.btn-outline:hover { background: var(--color-accent-subtle); border-color: var(--color-accent); transform: translateY(-3px); }
.btn-sm { padding: var(--space-sm) var(--space-lg); font-size: 0.85rem; }

/* --- Cards --- */
.glass-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-2xl); box-shadow: var(--shadow-card); transition: all var(--transition-base); position: relative; overflow: hidden; }
.glass-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-accent-gradient); opacity: 0; transition: opacity var(--transition-base); }
.glass-card:hover { background: var(--color-bg-card-hover); border-color: var(--color-border-accent); box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.glass-card:hover::before { opacity: 1; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); }
.feature-icon { width: 56px; height: 56px; border-radius: var(--radius-md); background: var(--color-accent-gradient); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: var(--space-lg); box-shadow: 0 4px 16px rgba(26,58,139,0.15); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: var(--space-sm); }
.feature-card p { font-size: 0.9rem; color: var(--color-text-secondary); }

/* Products */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-xl); margin-top: var(--space-2xl); }
.product-card { text-align: center; }
.product-card .product-icon { width: 160px; height: 160px; border-radius: var(--radius-lg); background: var(--color-bg-primary); border: 1px solid var(--color-bg-glass-border); object-fit: contain; margin: 0 auto var(--space-lg); padding: var(--space-sm); transition: transform var(--transition-base); }
.product-card:hover .product-icon { transform: scale(1.05); }
.product-card .product-name { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; margin-bottom: var(--space-xs); }
.product-card .product-dose { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: var(--space-md); }
.product-card .product-desc { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: var(--space-lg); line-height: 1.6; }
.product-card .product-price { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; color: var(--color-price); margin-bottom: var(--space-lg); }
.product-card .product-price span { font-size: 0.9rem; font-weight: 400; color: var(--color-text-muted); }

/* --- CTA Section --- */
.cta-section { background: var(--color-accent-gradient); border-radius: var(--radius-xl); padding: var(--space-4xl) var(--space-2xl); text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.12) 0%, transparent 50%); pointer-events: none; }
.cta-section h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: var(--space-md); color: white; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 500px; margin: 0 auto var(--space-2xl); }
.cta-section .btn { background: white; color: var(--color-accent); font-weight: 700; }
.cta-section .btn:hover { background: rgba(255,255,255,0.9); transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }

/* Stats */
.stats-banner { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); margin-top: var(--space-3xl); }
.stat-item { text-align: center; padding: var(--space-xl); }
.stat-number { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800; color: var(--color-accent); margin-bottom: var(--space-xs); }
.stat-label { font-size: 0.85rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

/* About */
.about-hero { padding-top: 140px; padding-bottom: var(--space-3xl); text-align: center; background: linear-gradient(180deg, #fff 0%, var(--color-bg-primary) 100%); }
.about-hero h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: var(--space-lg); }
.about-hero p { font-size: 1.15rem; color: var(--color-text-secondary); max-width: 650px; margin: 0 auto; }
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); margin-top: var(--space-2xl); }
.value-card .value-number { font-family: var(--font-heading); font-size: 3rem; font-weight: 800; color: rgba(26,58,139,0.08); margin-bottom: var(--space-md); }
.value-card h3 { font-size: 1.2rem; margin-bottom: var(--space-sm); }
.value-card p { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }
.timeline { position: relative; padding-left: 40px; max-width: 700px; margin: var(--space-2xl) auto 0; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--color-accent), var(--color-accent-bright), transparent); }
.timeline-item { position: relative; margin-bottom: var(--space-2xl); padding-left: var(--space-xl); }
.timeline-item::before { content: ''; position: absolute; left: -44px; top: 8px; width: 10px; height: 10px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 12px rgba(26,58,139,0.3); }
.timeline-item h3 { font-size: 1.1rem; margin-bottom: var(--space-sm); color: var(--color-accent); }
.timeline-item p { font-size: 0.9rem; color: var(--color-text-secondary); }

/* Contact */
.contact-hero { padding-top: 140px; padding-bottom: var(--space-xl); text-align: center; background: linear-gradient(180deg, #fff 0%, var(--color-bg-primary) 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); margin-top: var(--space-2xl); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-lg); }
.form-group { display: flex; flex-direction: column; gap: var(--space-sm); }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--color-text-secondary); letter-spacing: 0.05em; text-transform: uppercase; }
.form-group input, .form-group textarea, .form-group select { padding: var(--space-md) var(--space-lg); background: var(--color-bg-primary); border: 1.5px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text-primary); font-family: var(--font-body); font-size: 0.95rem; transition: all var(--transition-fast); outline: none; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--color-accent-bright); box-shadow: 0 0 0 3px var(--color-accent-glow); background: white; }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select option { background: white; color: var(--color-text-primary); }
.contact-info { display: flex; flex-direction: column; gap: var(--space-xl); }
.contact-info-card { display: flex; gap: var(--space-lg); align-items: flex-start; }
.contact-info-icon { width: 48px; height: 48px; border-radius: var(--radius-md); background: var(--color-accent-gradient); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-info-card h3 { font-size: 1rem; margin-bottom: var(--space-xs); }
.contact-info-card p { font-size: 0.9rem; color: var(--color-text-secondary); }
.contact-info-card a { color: var(--color-accent); font-weight: 500; }
.contact-info-card a:hover { color: var(--color-accent-bright); text-decoration: underline; }

/* FAQ */
.faq-section { margin-top: var(--space-3xl); }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: var(--space-md); overflow: hidden; background: white; transition: all var(--transition-base); }
.faq-item:hover { border-color: var(--color-border-accent); box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; padding: var(--space-lg) var(--space-xl); background: white; border: none; color: var(--color-text-primary); font-family: var(--font-body); font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question:hover { background: var(--color-bg-primary); }
.faq-icon { font-size: 1.3rem; transition: transform var(--transition-base); color: var(--color-accent); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--transition-base); }
.faq-answer-content { padding: 0 var(--space-xl) var(--space-lg); font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }

/* Page Header */
.page-header { padding-top: 140px; padding-bottom: var(--space-3xl); text-align: center; position: relative; overflow: hidden; background: linear-gradient(180deg, #fff 0%, var(--color-bg-primary) 100%); }
.page-header h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: var(--space-md); }
.page-header p { font-size: 1.1rem; color: var(--color-text-secondary); max-width: 600px; margin: 0 auto; }

/* --- Footer --- */
.footer { background: var(--color-text-primary); color: rgba(255,255,255,0.7); padding: var(--space-3xl) 0 var(--space-xl); margin-top: var(--space-4xl); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-2xl); margin-bottom: var(--space-2xl); }
.footer-brand img { height: 40px; margin-bottom: var(--space-md); }
.footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.5); max-width: 280px; line-height: 1.7; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: var(--space-lg); color: rgba(255,255,255,0.9); }
.footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-bottom: var(--space-sm); transition: color var(--transition-fast); }
.footer-col a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-xl); border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* --- Cart Drawer --- */
.cart-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1999; opacity: 0; pointer-events: none; transition: opacity var(--transition-base); }
.cart-overlay.open { opacity: 1; pointer-events: auto; }
.cart-drawer { position: fixed; top: 0; right: -420px; width: 400px; max-width: 90vw; height: 100vh; height: 100dvh; background: white; z-index: 2000; box-shadow: -10px 0 40px rgba(0,0,0,0.15); transition: right var(--transition-base); display: flex; flex-direction: column; }
.cart-drawer.open { right: 0; }
.cart-header { display: flex; justify-content: space-between; align-items: center; padding: var(--space-xl); border-bottom: 1px solid var(--color-border); }
.cart-header h2 { font-size: 1.3rem; font-family: var(--font-heading); }
.cart-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--color-text-secondary); padding: var(--space-sm); transition: color var(--transition-fast); }
.cart-close:hover { color: var(--color-text-primary); }
.cart-body { flex: 1; overflow-y: auto; padding: var(--space-lg); }
.cart-empty { text-align: center; padding: var(--space-3xl) var(--space-xl); color: var(--color-text-muted); }
.cart-empty-icon { font-size: 3rem; margin-bottom: var(--space-md); }
.cart-item { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-md); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: var(--space-md); position: relative; transition: all var(--transition-fast); }
.cart-item:hover { border-color: var(--color-border-accent); }
.cart-item-icon { font-size: 1.5rem; width: 40px; text-align: center; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name { font-weight: 600; font-size: 0.9rem; }
.cart-item-dose { font-size: 0.75rem; color: var(--color-text-muted); }
.cart-item-controls { text-align: right; }
.cart-qty-controls { display: flex; align-items: center; gap: var(--space-sm); justify-content: flex-end; margin-bottom: 4px; }
.cart-qty-btn { width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--color-border); background: var(--color-bg-primary); font-size: 0.9rem; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition-fast); color: var(--color-text-primary); }
.cart-qty-btn:hover { background: var(--color-accent-subtle); border-color: var(--color-accent); }
.cart-qty-value { font-weight: 600; font-size: 0.9rem; min-width: 20px; text-align: center; }
.cart-item-price { font-weight: 700; color: var(--color-price); font-size: 0.95rem; }
.cart-item-remove { position: absolute; top: 6px; right: 6px; background: none; border: none; font-size: 1rem; color: var(--color-text-muted); cursor: pointer; line-height: 1; padding: 2px; transition: color var(--transition-fast); }
.cart-item-remove:hover { color: #e53e3e; }
.cart-footer { padding: var(--space-xl); padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 20px)); border-top: 1px solid var(--color-border); }
.cart-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-lg); }
.cart-total-label { font-size: 1rem; font-weight: 600; }
.cart-total-value { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--color-price); }
.cart-footer .btn { width: 100%; }

/* Cart Notification */
.cart-notification { position: fixed; bottom: 30px; right: 30px; background: var(--color-accent); color: white; padding: var(--space-md) var(--space-xl); border-radius: var(--radius-md); font-size: 0.9rem; font-weight: 500; z-index: 3000; transform: translateY(20px); opacity: 0; transition: all 0.3s ease; box-shadow: 0 4px 20px rgba(26,58,139,0.3); }
.cart-notification.show { transform: translateY(0); opacity: 1; }

/* --- Scroll Reveal --- */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.4,0,0.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-banner { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { display: none; }
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; justify-content: center; padding: var(--space-2xl); transition: right var(--transition-base); border-left: 1px solid var(--color-border); box-shadow: -10px 0 30px rgba(0,0,0,0.1); }
  .nav-links.active { right: 0; }
  .nav-links a { font-size: 1.1rem; padding: var(--space-md) 0; color: var(--color-text-primary); }
  .hero { min-height: auto; padding: 140px 0 var(--space-4xl); }
  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-buttons { flex-direction: column; }
  .features-grid, .products-grid { grid-template-columns: 1fr; }
  .stats-banner { grid-template-columns: 1fr 1fr; }
  .contact-grid, .values-grid, .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-md); text-align: center; }
  .section { padding: var(--space-3xl) 0; }
  .container { padding: 0 var(--space-lg); }
}
@media (max-width: 480px) {
  html { font-size: 14px; }
  .hero { padding: 120px 0 var(--space-2xl); }
  .glass-card { padding: var(--space-xl); }
  .cta-section { padding: var(--space-2xl) var(--space-lg); }
}

/* --- Checkout Modal --- */
.checkout-modal { position: fixed; inset: 0; z-index: 3000; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.checkout-modal.show { opacity: 1; }
.checkout-modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.checkout-modal-content { position: relative; background: white; border-radius: var(--radius-lg); padding: var(--space-2xl); max-width: 440px; width: 90%; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.checkout-modal-content h3 { font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: var(--space-sm); }
.checkout-modal-content p { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: var(--space-lg); }
.checkout-modal-items { display: flex; flex-direction: column; gap: var(--space-sm); }
.checkout-modal-item { display: flex; justify-content: space-between; align-items: center; padding: var(--space-sm) 0; font-size: 0.9rem; }

/* Out of Stock Overlay */
.product-card { position: relative; overflow: hidden; }
.product-card.out-of-stock { opacity: 0.7; }
.product-card.out-of-stock .product-icon { filter: grayscale(1); }

.stock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: inherit;
  z-index: 10;
  pointer-events: none;
}

.product-card.out-of-stock:hover .stock-overlay {
  opacity: 1;
}

.stock-overlay span {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 12px 28px;
  border: 3px solid #fff;
  border-radius: var(--radius-md);
  background: rgba(220, 38, 38, 0.85);
}

.btn-disabled {
  background: #9ca3af !important;
  cursor: not-allowed !important;
  opacity: 0.6;
}
.btn-disabled:hover {
  transform: none !important;
  box-shadow: none !important;
}

.low-stock-badge {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ========== TRUST TICKER BANNER ========== */
.trust-ticker {
  background: linear-gradient(135deg, #0d1b4a 0%, #1a3a8b 100%);
  color: #fff;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 8px 0;
  position: relative;
  z-index: 1000;
}
.trust-ticker-track {
  display: inline-block;
  animation: ticker-scroll 25s linear infinite;
}
.trust-ticker-item {
  display: inline-block;
  padding: 0 32px;
}
.trust-ticker-item .ticker-icon {
  display: inline-flex;
  align-items: center;
  margin-right: 6px;
  vertical-align: middle;
}
.trust-ticker-item .ticker-icon svg {
  width: 14px !important;
  height: 14px !important;
  max-width: 14px !important;
  max-height: 14px !important;
  min-width: 14px;
  min-height: 14px;
  fill: currentColor;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}
.trust-ticker-divider {
  display: inline-block;
  color: rgba(255,255,255,0.3);
  padding: 0 4px;
}
@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ========== FDA DISCLAIMER FOOTER ========== */
.fda-disclaimer {
  background: #0a0f23;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0 20px;
}
.fda-disclaimer-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.fda-disclaimer-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.fda-disclaimer-label svg {
  width: 14px;
  height: 14px;
  min-width: 14px;
  max-width: 14px;
  fill: rgba(255,255,255,0.3);
  flex-shrink: 0;
}
.fda-disclaimer-text {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.8;
  margin-bottom: 16px;
}
.fda-disclaimer-text strong {
  color: rgba(255,255,255,0.5);
}
.fda-disclaimer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.fda-disclaimer-links a {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
  transition: color 0.2s ease;
}
.fda-disclaimer-links a:hover {
  color: rgba(255,255,255,0.5);
}

/* ========== RESEARCH NOTICE (Products Page) ========== */
.research-notice {
  background: rgba(26, 58, 139, 0.04);
  border: 1px solid rgba(26, 58, 139, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-top: var(--space-2xl);
  text-align: center;
}
.research-notice-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.research-notice-text {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}
.research-notice-icons {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.research-notice-icon {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.research-notice-icon .rn-icon {
  width: 32px;
  height: 32px;
  background: rgba(26, 58, 139, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

/* ============================================
   UPGRADE 1: Animated Counter Stats Bar
   ============================================ */
.stats-bar {
  background: linear-gradient(135deg, #1a3a8b 0%, #142d6e 50%, #0f2460 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}
.stat-item {
  text-align: center;
  color: white;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #a8c8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  opacity: 0.8;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat-number { font-size: 2.2rem; }
}

/* ============================================
   UPGRADE 2: FAQ Accordion
   ============================================ */
.faq-section {
  padding: 80px 0;
}
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item:hover {
  border-color: rgba(42, 98, 255, 0.25);
}
.faq-item.active {
  border-color: rgba(42, 98, 255, 0.4);
  box-shadow: 0 4px 24px rgba(42, 98, 255, 0.08);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: color 0.2s;
}
.faq-question:hover {
  color: var(--color-accent);
}
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(42, 98, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s, background 0.3s;
}
.faq-icon svg {
  width: 12px;
  height: 12px;
  fill: var(--color-accent);
  transition: transform 0.3s;
}
.faq-item.active .faq-icon {
  background: var(--color-accent);
  transform: rotate(180deg);
}
.faq-item.active .faq-icon svg {
  fill: white;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ============================================
   UPGRADE 3: Product Card Enhancements
   ============================================ */
.product-card {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(42, 98, 255, 0.1);
}
.product-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #1a3a8b 100%);
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  z-index: 2;
}
.stock-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
/* Purity Badge */
.purity-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #6b7280;
  background: rgba(107, 114, 128, 0.08);
  border: 1px solid rgba(107, 114, 128, 0.18);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.purity-badge svg {
  width: 12px !important;
  height: 12px !important;
  max-width: 12px !important;
  max-height: 12px !important;
  min-width: 12px;
  min-height: 12px;
  fill: #9ca3af;
  flex-shrink: 0;
  display: inline-block;
}
.stock-dot {
  width: 6px;
  height: 6px;
  background: var(--color-text-muted);
  border-radius: 50%;
  opacity: 0.6;
}

/* ============================================
   UPGRADE 4: Enhanced CTA Section
   ============================================ */
.cta-premium {
  background: linear-gradient(135deg, #1a3a8b 0%, #142d6e 40%, #0f2460 100%);
  border-radius: 20px;
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-premium::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(42, 98, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-premium::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(99, 179, 237, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
.cta-premium h2 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.cta-premium p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}
.cta-premium-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.cta-premium .btn-white {
  background: white;
  color: #1a3a8b;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cta-premium .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}
.cta-premium .btn-ghost {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  padding: 14px 32px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
}
.cta-premium .btn-ghost:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.05);
}
@media (max-width: 600px) {
  .cta-premium { padding: 48px 24px; }
  .cta-premium h2 { font-size: 1.6rem; }
  .cta-premium-buttons { flex-direction: column; align-items: center; }
}

/* ============================================
   UPGRADE 5: Micro-Animations & Polish
   ============================================ */
/* Staggered reveal for grid items */
.reveal-stagger > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > *:nth-child(4) { transition-delay: 300ms; }

/* Button hover shine */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%; left: -75%;
  width: 50%; height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: skewX(-25deg);
  transition: left 0.6s;
}
.btn-primary:hover::after {
  left: 125%;
}

/* Enhanced glass card hover */
.glass-card {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s, border-color 0.35s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  border-color: rgba(42, 98, 255, 0.2);
}

/* --- Anti-Copy / Content Protection --- */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  pointer-events: auto;
}