/* Reset mặc định */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Container chung */
.container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
header {
    background-color: #003087;
    padding: 20px 0;
    color: white;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 24px;
    font-weight: bold;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    color: #ffcc00;
}

/* Hero Section */
.hero {
    background-color: #f4f7fc;
    text-align: center;
    padding: 60px 0;
}

.hero h2 {
    font-size: 36px;
    color: #003087;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

.hero button {
    background-color: #ffcc00;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    color: #003087;
    cursor: pointer;
    border-radius: 5px;
}

.hero button:hover {
    background-color: #e6b800;
}

/* Services Section */
.services {
    padding: 60px 0;
    text-align: center;
}

.services h3 {
    font-size: 28px;
    color: #003087;
    margin-bottom: 40px;
}

.service-grid {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.service-item {
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 30%;
}

.service-item h4 {
    font-size: 20px;
    color: #003087;
    margin-bottom: 10px;
}

.service-item p {
    font-size: 16px;
}

/* Footer */
footer {
    background-color: #003087;
    color: white;
    text-align: center;
    padding: 20px 0;
}

footer p {
    margin: 5px 0;
}