/* ===== RESET NHẸ ===== */
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background-color: #f8fbff;
    color: #333;
}

/* ===== BANNER ===== */
.banner {
    background: linear-gradient(
        rgba(255,255,255,0.6),
        rgba(255,255,255,0.6)
    ),
    url("IMG_2144.jpeg") no-repeat center center;
    background-size: cover;
    padding-top: 10rem;
    padding-bottom: 10rem;
    text-align: center;
    color: #1f5f4a;
}

.banner h1 {
    font-size: 3rem;
    margin: 0;
}

/* ===== SLOGAN ===== */
.slogan {
    background-color: #e9f7f2;
    text-align: center;
    width: 100%;
    padding: 2rem;
}

.row {
    display: flex;
    flex-wrap: wrap;
    max-width: 100%;
    padding: 0 3rem;
}

.block_3 {
    width: 33.3333%;
    padding: 1rem;
}

/* hover slogan */
#b3a:hover,
#b3b:hover,
#b3c:hover {
    color: #1e90ff;
    transform: scale(1.05);
    transition: 0.3s;
}

/* ===== TABLE LAYOUT ===== */
table {
    width: 90%;
    margin: 2rem auto;
    border-spacing: 2rem;
}

.cell_text {
    width: 50%;
    text-align: justify;
    padding: 1.5rem;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.cell_img {
    width: 50%;
}

.img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* ===== IMAGE TRUNG TÂM ===== */
.img_tv {
    width: 50%;
    display: block;
    margin: 1rem auto;
}

/* ===== LINK ===== */
a {
    color: #1e90ff;
    text-decoration: none;
    font-weight: bold;
}

a:hover {
    color: #ff6600;
    text-decoration: underline;
}

/* ===== FOOTER ===== */
footer {
    background-color: #e9f7f2;
    margin-top: 2rem;
    padding: 1.5rem;
}

footer ul {
    list-style: none;
    padding-left: 0;
}

footer li {
    margin-bottom: 0.5rem;
}

/* ===== FORM ===== */
form fieldset {
    background-color: #ffffff;
    border: 2px solid #cceee3;
    border-radius: 10px;
    padding: 1.5rem;
}

input, select, textarea {
    width: 95%;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 20px;
    background-color: #1e90ff;
    border: none;
    color: white;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background-color: #ff6600;
}