:root {
    --bg: #0b1220;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --light: #f9fafb;
    --surface: #111827;
    --radius: 12px;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    scroll-behavior: smooth;
}

.container {
    width: min(1200px, 90%);
    margin: 0 auto;
}

a {
    color: var(--primary);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    color: white;
}

    .btn-primary:hover {
        filter: brightness(1.05);
    }

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
}

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

/* --- HERO --- */
.hero {
    background: linear-gradient(180deg, #1e293b, #0f172a);
    padding: 60px 0 100px;
    text-align: center;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
}

    .nav .logo {
        font-weight: 700;
        font-size: 1.3rem;
    }

    .nav nav a {
        margin-left: 20px;
        font-weight: 500;
    }

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.hero-content p {
    color: var(--muted);
    max-width: 600px;
    margin: 0 auto 28px;
}

/* --- FEATURES --- */
.features {
    padding: 100px 0;
    background: var(--bg);
}

    .features h2 {
        text-align: center;
        margin-bottom: 50px;
        font-size: 2rem;
    }

    .features .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }

    .features .card {
        background: var(--surface);
        border-radius: var(--radius);
        padding: 32px;
        text-align: center;
        box-shadow: 0 4px 20px rgba(0,0,0,.2);
    }

        .features .card h3 {
            margin-bottom: 10px;
        }

/* --- PRICING --- */
.pricing {
    background: #f9fafb;
    color: #111827;
    padding: 100px 0;
}

    .pricing h2 {
        text-align: center;
        font-size: 2rem;
        margin-bottom: 60px;
    }

    .pricing .grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 32px;
    }

    .pricing .plan {
        background: white;
        border-radius: var(--radius);
        padding: 32px;
        text-align: center;
        box-shadow: 0 4px 20px rgba(0,0,0,.1);
    }

        .pricing .plan.featured {
            border: 2px solid var(--primary);
        }

    .pricing .price {
        font-size: 2rem;
        margin: 16px 0;
    }

    .pricing ul {
        list-style: none;
        padding: 0;
        margin: 0 0 24px;
    }

    .pricing li {
        margin: 8px 0;
    }

/* --- FOOTER --- */
.footer {
    background: var(--surface);
    text-align: center;
    padding: 40px 0;
    color: var(--muted);
    font-size: 0.9rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 600px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .nav {
        flex-direction: column;
        gap: 16px;
    }
}