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

body{
    font-family: 'Noto Sans Thai Looped';
    background-color: rgb(219, 243, 252);
    color: brown;
}
h1,h2,h3{
    margin: 1rem;
    font-weight: 200;

}
a{
    text-decoration: none;
    color: rgb(233, 247, 247);
}
ul{
    list-style: none;
}
.main-header{
    background-color: rgb(177, 11, 11);
    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: 3rem;
}
.nav-links a:hover{
    color: coral;
}
.nav-links a{
    transition: color 0.3s ease;
}
.hero-section{
    height: 90vh;
    display: flex;
    justify-content: center;
    background-color: rgb(176, 228, 176);
    align-items: center;
    text-align: center;
}
.hero-content{
    font-size: 1rem;
    margin-bottom: 1rem;
}
.btn{
    display: inline-block;
    background-color: cornflowerblue;
    padding: 0.3rem 1rem;
    margin-top: 3rem;
    border-radius: 10px;
    transition: backgroud-color 0.3 ease;
}
.btn:hover{
    background-color: azure;
}
.about-section, .contact-section{
    padding: 4rem 2rem;
    text-align: center;
    background-color: azure;
}
.mb2{
    margin-bottom: 2rem;
}
.projects-section{
    padding: 4rem 2rem;
    background-color: cadetblue;
    text-align: center;
}
.projects-chompu{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: auto;
}
.projects-card{
    background-color: cornsilk;
    border: 1px solid rgb(191, 228, 243);
    border-radius: 5px;
    box-shadow: 0 2px 10px rgb( rgb(123, 123, 158));
    transition: tranform 0.5s ease;
}
.projects-card:hover{
    transform: translateY(-5px);
}
.projects-card img{
    width: 100%;
    height: auto;
    border-radius: 8px 8px 0 0;
    display: block;
}
.projects-card h3{
    margin: 1rem 0.3rem;
    font-size: 1.5rem;
}
.projects-card{
    margin-bottom: 1rem;
}
.btn-small{
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgb(191, 228, 243);
    border-radius: 5px;
    margin-bottom: 1rem;
    transition: background-color 0.5s ease;
}
.btn-small:hover{
    background-color: cadetblue;
}
.main-footet{
    background-color: darkcyan;
    color: darkgray;
    text-align: center ;
    padding: 1.5rem 0;
}
.projects-card p{
    padding: 1rem;
}