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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --accent-green: #22c55e;
    --accent-green-hover: #16a34a;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --border-color: #2a2a2a;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Navigation */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 800;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-green);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-safe {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 700;
}

.logo-peptides {
    color: var(--accent-green);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero .btn {
    margin: 0 8px;
}

/* Trust Badges */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.badge {
    text-align: center;
    padding: 24px;
}

.badge-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.badge h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 4px;
}

.badge p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Section */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.product-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
}

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

.product-category {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-size-selector {
    margin-bottom: 16px;
}

.product-size-selector label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.product-size-selector select {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
}

.product-price {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.product-actions {
    display: flex;
    gap: 8px;
}

.product-actions .btn {
    flex: 1;
    text-align: center;
    font-size: 13px;
    padding: 10px 16px;
}

/* How It Works */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent-green);
    color: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Lab Testing Section */
.testing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.testing-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.testing-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 12px;
}

.testing-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* COA Library */
.coa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.coa-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    transition: all 0.2s;
}

.coa-item:hover {
    border-color: var(--accent-green);
}

.coa-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.coa-item .btn {
    width: 100%;
    font-size: 12px;
    padding: 8px 16px;
}

/* About Page */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin: 40px 0 20px;
    color: var(--accent-green);
}

.about-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-note {
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-green);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
    justify-content: center;
}

.category-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.category-btn:hover,
.category-btn.active {
    background: var(--accent-green);
    color: var(--bg-primary);
    border-color: var(--accent-green);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0 20px;
    margin-top: 80px;
}

.footer-disclaimer {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    margin-bottom: 24px;
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-disclaimer strong {
    color: var(--accent-green);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-copyright {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 65px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .trust-badges {
        grid-template-columns: 1fr 1fr;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-40 {
    margin-top: 40px;
}

.mb-40 {
    margin-bottom: 40px;
}

.hidden {
    display: none;
}

/* Search Styles */
.nav-search-container {
    position: relative;
    flex: 0 0 300px;
    margin: 0 20px;
}

.nav-search-input {
    width: 100%;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.nav-search-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.page-search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 40px;
}

.page-search-input {
    width: 100%;
    padding: 14px 20px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.page-search-input:focus {
    outline: none;
    border-color: var(--accent-green);
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.search-result-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: block;
    color: var(--text-primary);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--bg-tertiary);
}

.search-result-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.search-result-category {
    font-size: 12px;
    color: var(--accent-green);
}

/* Product highlight animation */
@keyframes highlight {
    0%, 100% { background: var(--bg-secondary); }
    50% { background: var(--bg-tertiary); border-color: var(--accent-green); }
}

/* Mobile search adjustments */
@media (max-width: 768px) {
    .nav-search-container {
        display: none;
    }
    
    .page-search-container {
        margin-bottom: 24px;
    }
    
    .page-search-input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Tablet nav adjustments */
@media (max-width: 1024px) {
    .nav-search-container {
        flex: 0 0 200px;
        margin: 0 12px;
    }
}

/* Hero Video */
.hero-video {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
}

.hero-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 20px 80px;
}

.hero-video .hero-content h1 {
    background: linear-gradient(135deg, #ffffff 0%, #4ade80 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-video .hero-content p {
    color: rgba(255,255,255,0.85);
}

/* Hero layout */
.hero-video .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 88vh;
    padding-top: 40px;
    padding-bottom: 50px;
}

.hero-video .hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0;
    text-shadow: 0 2px 16px rgba(0,0,0,0.85);
    padding-top: 0;
    width: 100%;
}

.hero-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.hero-content p {
    font-size: 20px;
    color: rgba(255,255,255,0.95);
    max-width: 600px;
    margin: 0 auto 0;
    text-align: center;
    text-shadow: 0 1px 8px rgba(0,0,0,0.8);
}

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

@media (max-width: 600px) {
    .hero-video .hero-content h1 { font-size: 32px; }
    .hero-content p { font-size: 16px; }
}