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

body {
    background: #0b0f1a;
    color: #fff;
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    position: fixed;
    width: 100%;
    background: rgba(11,15,26,0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
}

nav {
    display: flex;
    gap: 20px;
}

nav a {
    color: #ccc;
    text-decoration: none;
}

.menu-toggle {
    display: none;
    font-size: 26px;
    cursor: pointer;
}

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, #0b0f1a, #1a2a6c);
    position: relative;
}

.hero h1 {
    font-size: 42px;
}

.hero p {
    margin: 20px 0;
    color: #aaa;
}

/* BUTTONS */
.btn {
    padding: 12px 20px;
    border-radius: 6px;
    text-decoration: none;
}

.primary {
    background: linear-gradient(45deg, #4f8cff, #7c3aed);
}

.secondary {
    border: 1px solid #4f8cff;
}

/* SECTIONS */
.section {
    padding: 80px 20px;
    text-align: center;
}

.section.dark {
    background: #111827;
}

/* CARDS */
.cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.card {
    width: 260px;
    padding: 20px;
    border-radius: 12px;
}

.glass {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
}

/* FORM */
input {
    padding: 10px;
    margin: 5px;
    width: 250px;
}

button {
    padding: 10px 20px;
    background: linear-gradient(45deg, #4f8cff, #7c3aed);
    border: none;
    color: white;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #0b0f1a;
}

/* REVEAL ANIMATION */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* MOBILE */
@media(max-width: 768px) {
    nav {
        display: none;
        flex-direction: column;
        position: absolute;
        right: 20px;
        top: 60px;
        background: #111827;
        padding: 10px;
    }

    nav.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}