:root {
    --bg: #0b1020;
    --surface: #151d32;
    --primary: #648cff;
    --text: #f5f7ff;
    --muted: #a0aac0;
}

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

body {
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */

.navbar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 8%;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.logo {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
    transition: .2s;
}

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

/* Main */

main {
    flex: 1;
}

.hero {
    min-height: 520px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: clamp(42px, 7vw, 76px);
    letter-spacing: -3px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    color: var(--muted);
    font-size: 18px;
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 35px;
}

/* Button */

.btn {
    display: inline-block;
    padding: 14px 28px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: .2s;
}

.btn:hover {
    background: #85a2ff;
    transform: translateY(-2px);
}

/* Cards */

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}

.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 20px 0 60px;
}

.card {
    background: var(--surface);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.07);
    transition: .25s;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
}

.card h3 {
    font-size: 21px;
    margin-bottom: 12px;
}

.card p {
    color: var(--muted);
}

/* Footer */

footer {
    text-align: center;
    padding: 35px 20px;
    color: var(--muted);
    border-top: 1px solid rgba(255,255,255,.08);
}

/* Mobile */

@media (max-width: 600px) {
    .navbar {
        padding: 18px 5%;
    }

    .nav-links {
        gap: 12px;
    }

    .nav-links a {
        font-size: 11px;
    }

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

    .hero h1 {
        letter-spacing: -1.5px;
    }
}