* {
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    background: #fffdf7;
    color: #333;
}
header {
    background: #004e92;
    color: white;
    padding: 1em 2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.5em;
    font-weight: bold;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 1.5em;
    margin: 0;
}
nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}
.hero {
    background: url('../assets/img/hero.jpg') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}
.hero .overlay {
    background: rgba(0, 0, 0, 0.6);
    padding: 2em;
    border-radius: 10px;
}
.btn {
    background: #28a745;
    padding: 0.75em 1.5em;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 1em;
    display: inline-block;
}
section {
    padding: 3em 2em;
    max-width: 1000px;
    margin: 0 auto;
}
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1em;
}
.card {
    background: #f0f0f0;
    padding: 1em;
    border-radius: 8px;
    text-align: center;
}
.gallery-grid {
    display: flex;
    gap: 1em;
    flex-wrap: wrap;
}
.gallery-grid img {
    width: 30%;
    border-radius: 8px;
}
form {
    display: flex;
    flex-direction: column;
    gap: 1em;
}
input, textarea {
    padding: 0.8em;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    background: #004e92;
    color: white;
    border: none;
    padding: 0.8em;
    border-radius: 5px;
    cursor: pointer;
}
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 1em;
}