:root {
    --bg-primary: #0B0F14;
    --bg-secondary: #121821;
    --text-primary: #F5F7FA;
    --accent: #5B5DFF;
}

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

body {
    font-family: 'Sora', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

header {
    padding: 20px 0;
    background: var(--bg-primary);
}

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

.logo {
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 2px;
}

.accent {
    color: var(--accent);
}

.hero {
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 30px;
    color: #cbd5e1;
}

.section {
    padding: 80px 0;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}

.cards {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    flex: 1;
    min-width: 280px;
    transition: 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-bottom: 15px;
}

.card ul {
    list-style: none;
    margin-top: 15px;
}

.card ul li {
    margin-bottom: 8px;
    color: #cbd5e1;
}

.alt {
    background: var(--bg-secondary);
}

.center {
    text-align: center;
    max-width: 700px;
    margin: auto;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.3s ease;
}

.btn:hover {
    opacity: 0.85;
}

footer {
    padding: 20px 0;
    text-align: center;
    background: var(--bg-primary);
    font-size: 0.9rem;
    color: #94a3b8;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .cards {
        flex-direction: column;
    }
}