/* Reset cơ bản */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header */
header {
    background-color: #ff6b6b;
    color: #fff;
    padding: 20px 0;
}

header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

header .logo img {
    width: 50px;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

header nav ul li a:hover {
    color: #ffd93d;
}

/* Banner */
.banner {
    text-align: center;
    background-color: #ffe6e6;
    padding: 40px 20px;
}

.banner h2 {
    color: #ff6b6b;
    font-size: 24px;
}

.banner-img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    margin-top: 20px;
    border-radius: 10px;
}

/* phần main */
.about {
    padding: 60px 0;
    background-color: #f7f7f7;
    text-align: center;
}

.about h2 {
    color: #ff6b6b;
    margin-bottom: 20px;
}

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

.services h2 {
    color: #ff6b6b;
    margin-bottom: 40px;
}

.service-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    background-color: #fff;
    padding: 20px;
    width: 300px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 20px rgba(0,0,0,0.2);
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background-color: #f7f7f7;
    text-align: center;
}

.contact form {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.contact input,
.contact textarea {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.contact button {
    background-color: #ff6b6b;
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.contact button:hover {
    background-color: #ff4c4c;
}

/* Footer */
footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}
 
/* Responsive */
@media (max-width: 768px) {
    header nav ul {
        flex-direction: column;
        gap: 10px;
    }
    .service-cards {
        flex-direction: column;
        gap: 20px;
    }
}