body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #020617;
    color: #e5e7eb;
}

/* HERO */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(2,6,23,1)),
                url('https://images.unsplash.com/photo-1605902711622-cfb43c44367f');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-size: 50px;
    color: #22c55e;
}

.hero p {
    font-size: 18px;
    margin: 10px 0 20px;
}

/* BUTTON */
.btn {
    background: #22c55e;
    color: #020617;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #16a34a;
}

/* CONTAINER */
.container {
    max-width: 1000px;
    margin: auto;
    padding: 40px 20px;
}

/* CARDS */
.card {
    background: #0f172a;
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,0.4);
}

.card h2 {
    color: #38bdf8;
}

/* CTA */
.cta {
    text-align: center;
    margin-top: 40px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #020617;
    color: #94a3b8;
}

/* ANIMATION */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.7s;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}