:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --primary-light: #5dade2;
    --secondary-color: #2c3e50;
    --tertiary-color: #34495e;
    --accent-color: #3498db;
    --background-color: #fff;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --light-bg-alt: #ecf0f1;
    --border-color: #3498db;
    --gradient-primary: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    --gradient-hero: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #e3f2fd 100%);
    --gradient-card: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    --shadow-primary: 0 15px 30px rgba(52, 152, 219, 0.2);
    --shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--accent-color);
    letter-spacing: -0.5px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.8rem;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h3 {
    font-size: 2rem;
    font-weight: 700;
}

h4 {
    font-size: 1.5rem;
    font-weight: 600;
}

h5 {
    font-size: 1.3rem;
    font-weight: 600;
}

h6 {
    font-size: 1.1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 300;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-primary.large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.header {
    background-color: var(--background-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    padding: 1rem 0;
}

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

.logo {
    height: 60px;
    width: auto;
}

.nav-contact .btn-primary {
    margin: 0;
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    padding: 5rem 0;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%233498db" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-weight: 400;
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    width: 320px;
    height: 320px;
    background: var(--gradient-primary);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-primary), 0 0 0 1px rgba(255,255,255,0.1);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.comb-cap-demo {
    width: 220px;
    height: 220px;
    background: linear-gradient(135deg, var(--background-color) 0%, var(--secondary-color) 100%);
    border-radius: 20px;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.1);
}

.comb-cap-demo::before {
    content: 'Comb Cap';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Product Action Section */
.product-action {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--background-color) 100%);
}

.photo-placeholder {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--light-bg-alt) 0%, var(--light-bg) 100%);
    border: 2px dashed var(--border-color);
    border-radius: 15px;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.photo-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(var(--primary-color), 0.05) 10px,
        rgba(52, 152, 219, 0.05) 20px
    );
}

.placeholder-content {
    position: relative;
    z-index: 2;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.placeholder-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.placeholder-content p {
    color: var(--text-color);
    font-style: italic;
}

/* Problem/Solution Section */
.problem-solution {
    padding: 5rem 0;
    background-color: var(--background-color);
}

.section-content h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--accent-color);
}

.section-content > p {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: var(--gradient-card);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--primary-color), 0.1), transparent);
    transition: left 0.5s ease;
}

.benefit-card:hover::before {
    left: 100%;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary);
    border-color: var(--primary-dark);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.benefit-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Customization Section */
.customization {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--light-bg-alt) 100%);
}

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

.section-header h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
}

.customization-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.target-audiences h4 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.audience-card {
    background: var(--background-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-3px);
}

.audience-card h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.customization-features h4 {
    margin-bottom: 1.5rem;
        color: var(--primary-color);
}

.feature-list {
    list-style: none;
    background: var(--background-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.feature-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--secondary-color);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Color Examples */
.color-examples {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--primary-color);
}

.color-examples h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.color-swatches {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.color-swatch {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid var(--secondary-color);
    transition: transform 0.3s ease;
}

.color-swatch:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
}

.color-swatch.black {
    background-color: black;
}

.color-swatch.white {
    background-color: white;
    border-color: black;
}

.color-swatch.blue {
    background-color: blue;
}

.color-swatch.orange {
    background-color: orange;
}

.color-swatch.green {
        background-color: green;
}

.color-swatch.red {
    background-color: red;
}

.color-note {
    font-size: 0.9rem;
    color: var(--text-color);
    font-style: italic;
    margin-top: 1rem;
}

/* Call to Action */
.cta {
    padding: 5rem 0;
    background: var(--tertiary-color);
    color: white;
    text-align: center;
}

.cta-content h3 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--background-color);
}

.cta-buttons {
    margin-bottom: 2rem;
}

.cta-note {
    font-size: 1rem;
    color: var(--text-color);
    font-style: italic;
}

/* Footer */
.footer {
    background-color: var(--tertiary-color);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-contact h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-contact a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h2 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .customization-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo {
        height: 50px;
    }
    
    .product-showcase {
        width: 250px;
        height: 250px;
    }
    
    .comb-cap-demo {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .audience-grid {
        grid-template-columns: 1fr;
    }
}