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

body {
    margin: 0;
    padding: 20px;
}

/* ===== Banner ===== */
.banner {
    height: 200px;
    background: linear-gradient(135deg, #1e90ff, #ff9800);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-title {
    color: white;
    font-size: 36px;
    opacity: 0;
    animation: fadeIn 2s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== Buttons ===== */
.buttons {
    margin: 20px 0;
}

.btn {
    background: #1e90ff;
    color: white;
    border: none;
    padding: 12px 24px;
    margin-right: 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.4s ease, transform 0.3s ease;
}

.btn:hover {
    background: orange;
    transform: translateY(-3px);
}

/* ===== Gallery ===== */
.gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gallery img:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

/* ===== Menu ===== */
.nav {
    list-style: none;
    display: flex;
    padding: 0;
}

.nav li {
    margin-right: 20px;
}

.nav a {
    text-decoration: none;
    color: black;
    position: relative;
    padding-bottom: 5px;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: black;
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

/* ===== Cards ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card img {
    width: 100%;
    border-radius: 8px;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}