body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #ffffff;
    color: #222;
}

/* HEADER */
header {
    padding: 25px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

header h1 {
    margin: 0;
    font-size: 2.2em;
}

/* NAV */
nav {
    display: flex;
    justify-content: center;
    gap: 25px;
    padding: 15px;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    background: white;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

nav a:hover {
    color: #000;
}

/* CONTAINER */
.container {
    max-width: 900px;
    margin: auto;
    padding: 40px 20px;
}

/* CARD */
.card {
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

/* BUTTON */
.btn {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 18px;
    border: 1px solid #000;
    border-radius: 20px;
    text-decoration: none;
    color: #000;
}

.btn:hover {
    background: #000;
    color: white;
}

/* MAP */
iframe {
    width: 100%;
    height: 300px;
    border: 0;
    border-radius: 12px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #eee;
    color: #777;
}