body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #fff5f5;
}

/* Header */
header {
    background-color: #b30000;
    color: white;
    text-align: center;
    padding: 20px;
}

/* Menu */
nav {
    background-color: #0f7a2f;
    padding: 10px;
    text-align: center;
}

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

nav a:hover {
    color: yellow;
}

/* Nội dung */
section {
    padding: 20px;
}

/* Nút */
button {
    background-color: #b30000;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

button:hover {
    background-color: #800000;
}

/* Footer */
footer {
    background-color: #b30000;
    color: white;
    text-align: center;
    padding: 15px;
}
#vitri {
    padding: 20px;
    background-color: #f0fff4;
}

#vitri h2 {
    color: #b30000;
    text-align: center;
}

.map {
    margin-top: 20px;
    border-radius: 20px;
    overflow: hidden; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Ảnh   */
section img {
    display: block;      
    width: 100%;           
    max-width: 600px ;  
    height: auto;
    margin: 20px auto;   
    border-radius: 20px;      
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);  
}

/* Bo góc ảnh khác  */
img {
    border-radius: 20px;
}


/* ===== ẢNH CHẠY 2 HÀNG ===== */

#hinhanh {
    padding: 40px;
    background: linear-gradient(to right, #f0fff4, #fff5f5);
    overflow: hidden;
}

.slider {
    overflow: hidden;
    margin-bottom: 30px;
}

.slide-track {
    display: flex;
    width: max-content;
    animation: scroll 25s linear infinite;
}

.reverse .slide-track {
    animation: scrollReverse 25s linear infinite;
}

.slide-track img {
    width: 250px;
    height: 180px;
    object-fit: cover;
    margin: 0 12px;
    border-radius: 20px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

/* chạy trái */
@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* chạy phải */
@keyframes scrollReverse {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}
/* ===== NỀN TẾT  ===== */

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(-45deg, #fff5f5, #f0fff4, #fff0cc, #ffe6e6);
    background-size: 400% 400%;
    animation: gradientBG 12s ease infinite;
}

/* Animation chuyển màu nền */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
/* ===== NỀN HOA MAI  ===== */

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: url("./img/hoamai.jpg") no-repeat center center fixed;
    background-size: cover;
}

/* Lớp phủ */
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.75); /* chỉnh 0.6 – 0.8 để đậm nhạt */
    z-index: -1;
}

section {
    padding: 30px;
    margin: 30px auto;
    width: 90%;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
section {
    margin: 40px auto;
    width: 90%;
    padding: 40px;
    background: #fff;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    background-image: linear-gradient(#fff,#fff),
                      linear-gradient(45deg, gold, #b30000);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    border: 5px solid transparent;
}
form {
    width: 400px;        /* nhỏ lại */
    margin: 40px auto;   /* căn giữa */
    background: white;
    padding: 25px;
    border-radius: 25px;
    border: 4px solid #b30000;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
#lienhe {
    width: 90%;
    margin: 50px auto;
    padding: 40px;
    background: transparent;   /* bỏ nền xám */
    border: none;              /* bỏ viền */
    box-shadow: none;          /* bỏ đổ bóng */
}