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

body {
    min-height: 100vh;
    background: url("background.jpg") no-repeat center center fixed;
    background-size: cover;
    color: #fff;
}

header {
    background: rgba(0, 0, 0, 0.35);
    padding-bottom: 40px;
}

nav {
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 20px;
}

nav a {
    color: #7de7ff;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
}

nav a:hover {
    color: #ffffff;
}

.hero {
    text-align: center;
    margin-top: 30px;
}

.hero h1 {
    font-size: 64px;
    letter-spacing: 4px;
    text-shadow: 0 0 20px #00eaff;
}

.hero p {
    margin-top: 10px;
    font-size: 20px;
    opacity: 0.9;
}

main {
    display: flex;
    justify-content: center;
    margin-top: 60px;
}

.cards {
    width: 90%;
    max-width: 1200px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.6);
}

.card h2 {
    margin-bottom: 15px;
    color: #7de7ff;
}

.card p {
    line-height: 1.6;
}

.ip {
    margin-top: 10px;
    color: #00eaff;
    font-weight: bold;
}

.btn {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 22px;
    background: linear-gradient(135deg, #00eaff, #0077ff);
    color: #000;
    text-decoration: none;
    font-weight: bold;
    border-radius: 10px;
}

.btn:hover {
    opacity: 0.85;
}

footer {
    margin-top: 80px;
    padding: 20px;
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
    font-size: 14px;
}