/* ===================================
   PEPTIDE PROTOCOL - CLINICAL AUTHORITY DESIGN
   Color Palette:
   - Primary: #1A1D29 (Deep Navy)
   - Secondary: #00D9FF (Electric Cyan)
   - Accent: #FF6B35 (Warm Orange)
   - Neutral: #F5F7FA (Light Gray)
   - Text: #2D3748 (Charcoal)
   =================================== */

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

:root {
    --color-primary: #1A1D29;
    --color-secondary: #00D9FF;
    --color-accent: #FF6B35;
    --color-neutral: #F5F7FA;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-white: #FFFFFF;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Source Sans Pro', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    background: var(--color-white);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 600;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--color-secondary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition);
}

/* ===================================
   BUTTONS
   =================================== */

.btn-primary, .btn-secondary, .btn-card, .btn-primary-small {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--color-primary);
    box-shadow: 0 4px 15px rgba(0,217,255,0.3);
}

.btn-primary:hover {
    background: #00C2E8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,217,255,0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-card {
    background: transparent;
    color: var(--color-secondary);
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.btn-card:hover {
    background: rgba(0,217,255,0.1);
}

.btn-primary-small {
    padding: 0.75rem 1.5rem;
    background: var(--color-secondary);
    color: var(--color-primary);
    font-size: 0.9rem;
}

.full-width {
    width: 100%;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0F1117 100%);
    color: var(--color-white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #CBD5E0;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

/* Molecule Animation */
.molecule-animation {
    max-width: 400px;
}

.molecule-animation svg {
    width: 100%;
    height: auto;
}

.atom {
    fill: var(--color-secondary);
    animation: pulse 2s infinite;
}

.bond {
    stroke: var(--color-accent);
    stroke-width: 2;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

/* ===================================
   TRUST BAR
   =================================== */

.trust-bar {
    background: var(--color-neutral);
    padding: 2rem 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.trust-item {
    padding: 1rem;
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.trust-stat {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}

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

/* ===================================
   SECTION STYLING
   =================================== */

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

/* ===================================
   PEPTIDE CARDS
   =================================== */

.peptides-section {
    background: var(--color-white);
}

.peptide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.peptide-card {
    background: var(--color-white);
    border: 2px solid var(--color-neutral);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.peptide-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: var(--color-secondary);
}

.peptide-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.peptide-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.peptide-category {
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.peptide-description {
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.peptide-benefits {
    list-style: none;
    margin-bottom: 1.5rem;
}

.peptide-benefits li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

.peptide-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 700;
}

/* ===================================
   HOW IT WORKS
   =================================== */

.how-section {
    background: var(--color-neutral);
}

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

.step-card {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-secondary);
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: var(--font-mono);
}

.step-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--color-text-light);
}

/* ===================================
   BENEFITS SECTION
   =================================== */

.benefits-section {
    background: var(--color-white);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.benefits-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: start;
}

.benefit-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.benefits-list strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.benefits-list p {
    color: var(--color-text-light);
}

.stats-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0F1117 100%);
    padding: 3rem;
    border-radius: 12px;
    color: var(--color-white);
}

.stat {
    margin-bottom: 2rem;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 1rem;
    color: #CBD5E0;
}

/* ===================================
   FAQ PREVIEW
   =================================== */

.faq-preview {
    background: var(--color-neutral);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.faq-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.faq-item h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.faq-item p {
    color: var(--color-text-light);
}

.faq-cta {
    text-align: center;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact-section {
    background: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-neutral);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-method:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateX(5px);
}

.method-icon {
    font-size: 2rem;
}

.contact-form-wrapper {
    background: var(--color-neutral);
    padding: 3rem;
    border-radius: 12px;
}

.contact-form h3 {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-disclaimer {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 1rem;
    text-align: center;
}

.form-disclaimer a {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4, .footer-col h5 {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: #CBD5E0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #CBD5E0;
    font-size: 0.9rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .peptide-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}