:root {
    --primary: #2563eb;
    --secondary: #1e40af;
    --accent: #3b82f6;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--light);
    text-decoration: none;
}

.nav-links {
    display: none;
}

.menu-btn {
    background: none;
    border: none;
    color: var(--light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--secondary) 100%);
}

.hero-content {
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: var(--gray);
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--primary);
    color: var(--light);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.3s;
}

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

/* Features Section */
.features {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

/* How It Works */
.how-it-works {
    padding: 4rem 0;
    background-color: rgba(255, 255, 255, 0.02);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.step-number {
    background-color: var(--primary);
    color: var(--light);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* FAQ Section */
.faq {
    padding: 4rem 0;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
}

.faq-question {
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    display: none;
    padding-top: 1rem;
    color: var(--gray);
}

/* Footer */
footer {
    padding: 4rem 0;
    background-color: rgba(0, 0, 0, 0.2);
}

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

.footer-links h3 {
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
}

/* Desktop Styles */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: 2rem;
    }

    .nav-links a {
        color: var(--light);
        text-decoration: none;
        transition: color 0.3s;
    }

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

    .menu-btn {
        display: none;
    }

    .hero h1 {
        font-size: 4rem;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}