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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #00d4ff;
    --accent-hover: #00b8e6;
    --border: #2a2a2a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 60px 20px 40px;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, #00ff88 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

main {
    padding: 40px 20px;
}

section {
    margin-bottom: 60px;
}

.hero {
    text-align: center;
    padding: 40px 0;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.feature:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 600;
}

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

.faq h2,
.contact h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: 600;
}

.faq-item {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--accent);
    font-weight: 500;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact {
    text-align: center;
    padding: 40px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.contact h2 {
    margin-bottom: 15px;
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.email {
    margin-top: 20px;
}

.email a {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}

.email a:hover {
    border-color: var(--accent);
}

.links {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 30px 0;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

a {
    color: var(--accent);
    transition: color 0.2s;
}

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

@media (max-width: 640px) {
    header h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

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