body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}
.header {
    background: linear-gradient(180deg, #87CEEB 0%, #4CAF50 100%);
    padding: 20px 0;
    border: 3px solid #2e7d32;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: relative;
    z-index: 10;
}
.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}
.header-title {
    color: white;
    font-size: 28px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
} 
.header-title img {
    height: 120px;
    position: relative;
    z-index: 20;
    margin-top: -40px !important;
    margin-bottom: -40px !important;
}
.header-nav {
    display: flex;
    gap: 20px;
}
.header-nav a {
    color: white;
    text-decoration: none;
    padding: 10px 25px;
    background-color: rgba(255,255,255,0.2);
    transition: all 0.3s;
    font-weight: 500;
    clip-path: polygon(10% 0%, 100% 0%, 90% 100%, 0% 100%);
    position: relative;
}      
.header-nav a:hover {
    background-color: rgba(255,255,255,0.35);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.header-logo {
    height: 70px;
    width: auto;
    filter: drop-shadow(3px 3px 6px rgba(0,0,0,0.4));
    transition: transform 0.3s;
    position: relative;
    z-index: 20;
    margin-top: -20px;
    margin-bottom: -20px;
}
        
.header-logo:hover {
    transform: scale(1.1);
}
.intro {
    margin-bottom: 30px;
    font-size: 16px;
}

/* khung tổng */
.contact-box {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

/* FORM */
.contact-form {
    width: 350px;
    text-align: left;
}

.contact-form label {
    font-weight: bold;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 8px;
    margin: 6px 0 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.contact-form button {
    width: 100%;
    padding: 10px;
    background-color: #4caf50;
    color: white;
    border: none;
    cursor: pointer;
}

.contact-form button:hover {
    background-color: #45a049;
}

/* THÔNG TIN BÊN PHẢI */
.contact-info {
    width: 440px;
    text-align: left;
    background-color: #ffffff;
    padding: 20px;
    border-left: 5px solid #4caf50;
}

.contact-info h1 {
    margin-top: 0;
    color: #4caf50;
}
.intro {
    font-size: 16px;
    margin-bottom: 20px;
}

table {
    margin: 20px auto;
    width: 70%;
    border-collapse: collapse;
}

table th {
    background-color: #4caf50;
    color: white;
}

table th, table td {
    border: 1px solid #4caf50;
    padding: 12px;
    text-align: center;
}

.note {
    margin-top: 30px;
    text-align: left;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.note h3 {
    color: #4caf50;
}

.note ul {
    padding-left: 20px;
}

.info {
    margin-top: 30px;
    padding: 15px;
    background-color: #f2f2f2;
    border-left: 5px solid #4caf50;
}
/* BANNER */
.home-banner {
    background: linear-gradient(to right, #7ed6a5, #4caf50);
    color: white;
    padding: 50px 20px;
    border-radius: 8px;
}

.home-banner h1 {
    margin-bottom: 10px;
}

/* GIỚI THIỆU */
.home-intro {
    margin: 40px 0;
}

/* HÌNH ẢNH */
.home-image img {
    width: 80%;
    max-width: 600px;
    margin: 20px auto;
    display: block;
    border-radius: 8px;
}

/* DANH MỤC */
.home-category {
    margin: 40px 0;
}

.category-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.category-item {
    background-color: #f5f5f5;
    padding: 15px 20px;
    border-left: 5px solid #4caf50;
    width: 200px;
    font-weight: bold;
}

/* LÝ DO */
.home-reason ul {
    max-width: 500px;
    margin: 20px auto;
    text-align: left;
}