* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: #f9fafc;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Navbar */
.navbar {
    background: #0f172a;
    padding: 15px 0;
}

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

.logo {
    color: #fff;
}

.logo span {
    color: #38bdf8;
}

nav a {
    color: #cbd5f5;
    margin-left: 20px;
    text-decoration: none;
}

.btn {
    background: #38bdf8;
    padding: 8px 16px;
    color: #000;
    border-radius: 6px;
}

.primary {
    background: #0ea5e9;
    color: #fff;
}

/* Hero */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #fff;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero h1 span {
    color: #38bdf8;
}

/* Features */
.features {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* Modules */
.modules {
    background: #e0f2fe;
    padding: 60px 0;
}

.module-list {
    max-width: 400px;
    margin: auto;
    list-style: none;
    font-size: 18px;
}

/* CTA */
.cta {
    background: #0ea5e9;
    color: #fff;
    text-align: center;
    padding: 60px 20px;
}

.btn.white {
    background: #fff;
    color: #0ea5e9;
}

/* Footer */
.footer {
    background: #0f172a;
    color: #94a3b8;
    text-align: center;
    padding: 15px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}