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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #ec4899;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header Styles */
.header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 6rem 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    background-color: var(--bg-white);
    color: var(--primary-color);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Introduction Section */
.introduction {
    padding: 4rem 20px;
    background-color: var(--bg-light);
    text-align: center;
}

.introduction h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.introduction p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Models Section */
.models-section {
    padding: 4rem 20px;
    background-color: var(--bg-white);
}

.models-section h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.model-card {
    background-color: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 2rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.model-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.15);
    transform: translateY(-4px);
}

.model-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.model-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Advanced Features Section */
.advanced-features {
    padding: 4rem 20px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
}

.advanced-features h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

.feature-card {
    background-color: var(--bg-white);
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

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

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: 4rem 20px;
    background-color: var(--bg-light);
}

.features h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.feature-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    font-size: 1.05rem;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Footer Styles */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 20px 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-section a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Legal Content Styles */
.legal-content {
    min-height: 100vh;
    padding: 3rem 20px;
    background-color: var(--bg-light);
}

.legal-content h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.last-updated {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.legal-content section {
    background-color: var(--bg-white);
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.legal-content h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 0;
}

.legal-content p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    list-style-position: inside;
    color: var(--text-light);
    line-height: 1.8;
}

.legal-content li {
    margin-bottom: 0.5rem;
    margin-left: 1rem;
}

.legal-content strong {
    color: var(--text-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .nav {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .models-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .introduction h2,
    .models-section h2,
    .advanced-features h2,
    .features h2 {
        font-size: 1.8rem;
    }

    .legal-content h1 {
        font-size: 1.8rem;
    }

    .legal-content h2 {
        font-size: 1.2rem;
    }

    .legal-content section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: 3rem 20px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .logo {
        font-size: 1.5rem;
    }

    .nav {
        flex-direction: column;
        gap: 0.5rem;
    }
}