/* Auctis Formulas - Premium NAD+ for Equine Performance */
/* Dark theme with gold accent (#c9a227) */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --accent: #c9a227;
    --accent-hover: #dbb82e;
    --accent-glow: rgba(201, 162, 39, 0.2);
    --border: #2a2a3a;
    --success: #c9a227;
    --gradient-accent: linear-gradient(135deg, #c9a227 0%, #a8851e 100%);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.cart-link) {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:not(.cart-link):hover {
    color: var(--accent);
}

.cart-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
}

.cart-count {
    background: var(--accent);
    color: var(--bg-primary);
    font-size: 12px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 50%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--accent);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 24px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #c9a227 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

/* Benefits */
.benefits {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.benefit-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.benefit-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--accent-glow);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent);
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

/* Products */
.products {
    padding: 100px 0;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.product-card {
    background: var(--bg-secondary);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201, 162, 39, 0.3);
}

.product-card.featured {
    border-color: var(--accent);
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.product-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.product-badge.popular {
    background: var(--accent);
    color: var(--bg-primary);
    font-weight: 600;
}

.product-dose {
    margin-bottom: 16px;
}

.dose {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent);
}

.unit {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.product-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.product-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: 600;
}

.product-price {
    margin-bottom: 24px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
}

.period {
    color: var(--text-muted);
    margin-left: 8px;
}

/* Science Section */
.science {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.science h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.science-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.science-text h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    margin-top: 32px;
}

.science-text h3:first-child {
    margin-top: 0;
}

.science-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.science-text ul {
    list-style: none;
    margin-top: 16px;
}

.science-text ul li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.science-text ul li::before {
    content: '→';
    color: var(--accent);
}

.science-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    border: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.contact-info > ul {
    list-style: none;
    margin-bottom: 32px;
}

.contact-info > ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--text-secondary);
}

.contact-info > ul li svg {
    width: 20px;
    height: 20px;
    stroke: var(--accent);
}

.bulk-benefits {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border);
}

.bulk-benefits h4 {
    margin-bottom: 16px;
    color: var(--accent);
}

.bulk-benefits ul {
    list-style: none;
}

.bulk-benefits ul li {
    padding: 8px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.bulk-benefits ul li::before {
    content: '•';
    color: var(--accent);
}

.contact-form {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .btn {
    width: 100%;
    margin-top: 8px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 12px;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    margin-bottom: 16px;
    color: var(--text-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 0;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links a:not(.cart-link) {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .science-content {
        grid-template-columns: 1fr;
    }
    
    .science-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 24px;
    }
}