*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body{
    font-family: 'prompt',sans-serif;
    background-color: rgb(238, 232, 197);
    color: rgb(54, 27, 54);
}
h1,h2,h3{
    margin-top: 1rem;
    font-weight: 700;
}
a{
    text-decoration: none;
    color: rgb(255, 255, 255);
}
ul{
    list-style: none;
}
.main-header{
    background-color: rgb(16, 5, 172);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.navbar{
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: auto;
    padding: 0 2rem;
}
.logo{
    font-size: 1.5rem;
    font-weight: 700;
}
.nav-links{
    display: flex;
    gap: 2rem;
}
.nav-links a:hover{
    color: rgb(96, 235, 253);
}
.nav-links a{
    transition: color 0.8s ease;
}
.hero-selection{
    height: 90vh;
    display: flex;
    justify-content: center;
    background-color: rgb(255, 245, 245);
    align-items: center;
    text-align: center;
}
.hero-content h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
}
.btn{
    display: inline-block;
    background-color: #5858ff;
    padding: 0.5rem 1rem;
    margin-top: 3rem;
    border-radius: 10px;
    transition: background-color 0.5s ease;
}
.btn:hover{
    background-color: rgb(25, 218, 0);
}
.about-section, .contact-section{
    padding: 4rem 2rem;
    text-align: center;
    background-color: #1443d3;
}
.mb2{
    margin-bottom: 1rem;
}
.project-section{
    padding: 4rem 2rem;
    background-color: #6a6c6d;
    text-align:center ;
}
.project-nongkhwankhao{
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: auto;
}
.project-card{
    background-color: rgb(170, 245, 255);
    border: 1px solid rgb(82, 82, 82);
    border-radius: 10px;
    box-shadow: 0 2px 10px white;
    transition: transform  0.3s ease;
}
.project-card:hover{
    transform: translateY(-5px);
}
.project-card img{
    width: 100%;
    height:auto;
    border-radius: 8px 8px 0 0 ;
    display: block;
}
.project-card h3{
    margin: 1rem 0 0.5rem;
    font-size: 1.5rem;
}
.project-card p{
    margin-bottom: 1rem;
}
.btn-small{
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgb(214, 209, 131);
    border-radius: 5px;
    margin-bottom: 1rem;
    transition: background-color  0.5s ease;
}
.btn-small:hover{
    background-color: rgb(45, 245, 5);
}
.main-footer{
    background: #9593fa;
    color: rgb(0, 0, 0);
    text-align: center;
    padding: 1.5rem 0;
}
.project-card p{
    padding: 2rem;
}
.project-section h2{
    margin-bottom: 1rem;
}
.nonthakan{
    color: rgb(71, 168, 253);
}
.content{
    text-align: center;
    color: rgb(25, 0, 255);
}
img{
    width: 400px;
    text-align: center;
    justify-content: center;
    align-content: center;
}
.p{
    justify-content: center;
}