* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Arial, sans-serif;
}


body {
    background-color: #f8fbfd;
    color: #333;
    line-height: 1.6;
}


.Sonadezi {
    background-color: #2c6da4;
    color: white;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    padding: 15px 0;
    text-transform: uppercase;
}

#Logo img {
    display: block;
    margin: 15px auto;
    width: 120px;
}


#Center marquee {
    color: #ffffff;
    background-color: #2c6da4;
    font-weight: bold;
    padding: 8px;
    border-radius: 5px;
}


#Head {
    background-color: #e6f0fa;
    text-align: center;
    padding: 10px 0;
}

#Head img {
    width: 100px;
    margin: 10px;
    vertical-align: middle;
}

.textsona {
    color: #2c6da4;
    font-size: 22px;
    font-weight: bold;
    text-transform: uppercase;
    margin-top: 10px;
}


#menu {
    list-style: none;
    display: flex;
    justify-content: center;
    background-color: #2c6da4;
    margin-top: 10px;
}

#menu li {
    margin: 0 20px;
}

#menu li a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    display: block;
    padding: 12px 18px;
    transition: 0.3s;
}

#menu li a:hover {
    background-color: #1b4d73;
    border-radius: 5px;
}


.banner-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}


.about {
    padding: 40px 60px;
    background-color: #ffffff;
}

.about h1 {
    color: #2c6da4;
    margin-bottom: 20px;
}

.about p {
    text-align: center;
    font-size: 18px;
    margin-bottom: 25px;
}

.tiennghi {
    text-align: center;
    margin-bottom: 40px;
}

.tiennghi h2, .tiennghi h3 {
    color: #1b4d73;
    margin-bottom: 10px;
}

.tiennghi p {
    margin-bottom: 10px;
}

.tiennghi img {
    width: 70%;
    max-width: 600px;
    border-radius: 10px;
    margin-top: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}


#map {
    display: block;
    margin: 20px auto;
    width: 70%;
    max-width: 600px;
    border-radius: 10px;
}


.signup {
    background-color: #e9f3fb;
    padding: 50px 0;
}

.signup h2 {
    text-align: center;
    color: #2c6da4;
    margin-bottom: 30px;
}

form {
    width: 80%;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

label {
    display: block;
    margin-top: 15px;
    color: #333;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 16px;
}

.cta-button {
    margin-top: 25px;
    width: 100%;
    background-color: #2c6da4;
    color: white;
    font-size: 18px;
    font-weight: bold;
    padding: 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

.cta-button:hover {
    background-color: #1b4d73;
}


#footer {
    background-color: #2c6da4;
    color: white;
    padding: 40px 0;
}

#footer h2, #footer h3 {
    color: white;
}

#lienhe ul {
    list-style: none;
    text-align: center;
}

#lienhe li {
    margin: 10px 0;
    font-size: 16px;
}

#logosona2 img {
    display: block;
    margin: 0 auto 20px auto;
}

html{
    scroll-behavior: smooth;
}