* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #ffecd2, #fcb69f);
}

/* Header */
header {
    background: linear-gradient(to right, #b71c1c, #1b5e20);
    color: white;
    display: flex;
    justify-content: space-between;
    padding: 20px 50px;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: bold;
}

nav a {
    color: #ffeb3b;
    margin-left: 20px;
    text-decoration: none;
    font-weight: 600;
}

nav a:hover {
    color: white;
}

/* Banner */
.banner {
    background: url("https://cdn.vntrip.vn/cam-nang/wp-content/uploads/2017/08/Con-Quy.jpg") center/cover no-repeat;
    height: 90vh;
    position: relative;
}

.overlay {
    background: rgba(0,0,0,0.5);
    height: 100%;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.overlay h1 {
    font-size: 45px;
}

.overlay p {
    margin: 20px 0;
    font-size: 18px;
    max-width: 600px;
}

.btn {
    background: #2e7d32;
    padding: 12px 25px;
    color: white;
    text-decoration: none;
    border-radius: 30px;
}

.btn:hover {
    background: #1b5e20;
}

/* Info section */
.info {
    padding: 60px 20px;
    text-align: center;
}

/* Form */
.form-section {
    padding: 50px 20px;
    text-align: center;
    background: #ffffffcc;
}

form {
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
}

form input, form textarea {
    margin: 10px 0;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

form button {
    padding: 12px;
    background: #b71c1c;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

form button:hover {
    background: #7f0000;
}

/* Content */
.content {
    padding: 60px 20px;
    text-align: center;
    background: #ffffffdd;
}

ul {
    list-style: none;
    margin: 15px 0;
}

ul li {
    padding: 5px;
}

/* Footer */
footer {
    background: #b71c1c;
    color: white;
    text-align: center;
    padding: 15px;
}

.section-block {
    margin: 60px 0;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.section-block h2 {
    color: #b71c1c;
    margin-bottom: 15px;
}

.section-block p {
    line-height: 1.8;
    margin-bottom: 20px;
}

.image-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.image-row img {
    width: 48%;
    border-radius: 12px;
    transition: 0.3s;
}

.image-row img:hover {
    transform: scale(1.05);
}

.visitor-form {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: auto;
    gap: 15px;
}

.visitor-form input,
.visitor-form select,
.visitor-form textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 15px;
}

.visitor-form textarea {
    min-height: 100px;
}

.visitor-form button {
    background: linear-gradient(to right, #b71c1c, #1b5e20);
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}

.visitor-form button:hover {
    opacity: 0.9;
    transform: scale(1.05);
}