:root {
    --primary-color: #0046ff;
    --bg-dark: #000000;
    --text-light: #ffffff;
    --text-muted: #a1a1aa;
    --card-bg: #111111;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header {
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #222;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
}

.hero {
    text-align: center;
    padding: 8rem 2rem;
    background: radial-gradient(circle at center, #001f5c 0%, #000 70%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

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

.btn-secondary {
    border: 1px solid #444;
    color: white;
}

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

.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid #222;
}

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

h2 {
    font-size: 2.5rem;
    text-align: center;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #222;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid #222;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .cta-buttons { flex-direction: column; }
}