body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f6f8;
}

/* HEADER */
header {
    background: linear-gradient(90deg, #1e3a8a, #2563eb);
    color: white;
    padding: 20px;
    text-align: center;
}

/* NAVBAR */
nav {
    background: #111827;
    padding: 12px;
    text-align: center;
}

nav a {
    color: white;
    margin: 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #3b82f6;
}

/* CONTAINER */
.container {
    padding: 20px;
}

/* CARD DESIGN */
.card {
    background: white;
    padding: 20px;
    margin: 15px;
    border-radius: 12px;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* IMAGE */
img {
    width: 100%;
    border-radius: 10px;
}

/* BUTTON */
.button {
    display: inline-block;
    padding: 10px 15px;
    background: #2563eb;
    color: white;
    border-radius: 6px;
    text-decoration: none;
}

.button:hover {
    background: #1e40af;
}

/* FOOTER */
footer {
    background: #1e3a8a;
    color: white;
    text-align: center;
    padding: 10px;
}
/* FADE IN ANIMATION */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* DELAY CLASSES */
.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.6s; }
.delay-3 { animation-delay: 0.9s; }