:root {
    --primary: #4184f3;
    --primary-hover: #356ac3;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border: #e0e0e0;
}

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

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

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

/* Navbar */
.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s, color 0.2s;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-gray);
    border: 1px solid var(--border);
}

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

.btn-large {
    padding: 15px 30px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero-content h1 {
    font-size: 56px;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content .highlight {
    color: var(--primary);
}

.hero-content p {
    font-size: 20px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Page Content (About, FAQ, Terms) */
.page-content {
    background: var(--white);
    padding: 60px 0;
    min-height: 500px;
}

.page-content h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.page-content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: var(--text-dark);
}

.page-content p {
    margin-bottom: 15px;
    color: var(--text-gray);
    font-size: 16px;
}

/* Footer */
.footer {
    background-color: var(--white);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border);
}

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

.footer-brand h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-brand h3 span {
    color: var(--primary);
}

.footer-brand p {
    color: var(--text-gray);
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-gray);
}

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

.footer-bottom {
    text-align: center;
    color: var(--text-gray);
    font-size: 14px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

/* Features Section */
.features {
    background-color: var(--white);
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.feature-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 15px;
    color: var(--text-gray);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    /* Navbar */
    .nav-container {
        flex-direction: column;
        gap: 15px;
        padding: 10px 0;
    }
    
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .nav-links a {
        margin: 0;
        font-size: 14px;
    }
    
    .nav-actions {
        width: 100%;
        display: flex;
        justify-content: center;
        gap: 10px;
    }
    
    .nav-actions .btn {
        padding: 8px 16px;
        font-size: 14px;
    }

    /* Hero */
    .hero {
        padding: 60px 0;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 16px;
        padding: 0 10px;
    }
    
    .hero-actions {
        flex-direction: column;
        padding: 0 20px;
    }
    
    .btn-large {
        width: 100%;
        padding: 12px 20px;
    }

    /* Features */
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card img {
        height: auto;
        aspect-ratio: 16/9;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }
}