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

body {
    background: #060912;
    color: white;
}

/* NAVBAR */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    color: #4da3ff;
    font-size: 22px;
    font-weight: bold;
}

nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    transition: 0.3s;
}

nav a:hover {
    color: #4da3ff;
}

/* HERO */
.hero {
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d') center/cover;
    position: relative;
}

.hero::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 55px;
    animation: fadeIn 2s ease;
}

.hero p {
    color: #aaa;
    margin-top: 10px;
}

.btn {
    margin-top: 20px;
    padding: 12px 25px;
    background: #4da3ff;
    border: none;
    font-weight: bold;
    cursor: pointer;
    border-radius: 6px;
}

/* SECTIONS */
.section {
    padding: 80px 60px;
}

.title {
    font-size: 32px;
    margin-bottom: 30px;
    color: #4da3ff;
}

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* CARDS */
.card {
    background: #0f1629;
    border-radius: 12px;
    overflow: hidden;
    transition: 0.3s;
    border: 1px solid #1f2a44;
}

.card:hover {
    transform: translateY(-10px);
    border-color: #4da3ff;
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 20px;
}

/* INPUT */
input, textarea {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background: #0c1220;
    border: 1px solid #222;
    color: white;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 30px;
    background: #05060a;
}

/* ANIMATION */
@keyframes fadeIn {
    from {opacity: 0; transform: translateY(20px);}
    to {opacity: 1; transform: translateY(0);}
}

/* MOBILE */
@media(max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }

    nav {
        flex-direction: column;
        gap: 10px;
    }

    .hero h1 {
        font-size: 30px;
    }
}