*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    text-decoration: none;
    scroll-behavior: smooth;
    list-style: none;
}

header{
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5rem;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 3rem;
    z-index: 1000;
}
.logo{
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    text-wrap: nowrap;
    transition: 0.3s ease-in-out;
}
.logo:hover{
    transform: scale(1.1);
}
.nav-links{
    display: flex;
    gap: 2rem;    
}
li a{
    position: relative;
    color: white;
    font-weight: 300;
}
li a::before{
    position: absolute;
    content: '';
    width: 0;
    left: 0;
    height: 5px;
    top: 25px;
    border-radius: 1rem;
    transition: 0.3s ease-in-out;
    background: linear-gradient(to right, rgb(0, 157, 255), rgb(255, 0, 255));
}
li a:hover::before{
    width: 100%;
}
.visit-btn{
    padding:0.8rem 1.5rem;
    border-radius: 3rem;
    border: none;
    font-weight: 500;
    font-size: 1rem;
    color: white;
    cursor: pointer;
    text-wrap: nowrap;
    transition: 0.3s ease-in-out;
    background: linear-gradient(to right, rgb(0, 157, 255), rgb(255, 0, 255));
}
.visit-btn:hover{
    background: linear-gradient(to left, rgb(0, 157, 255), rgb(255, 0, 255));
    transform: scale(1.03);
}
#menu-icon{
    font-size: 2rem;
    display: none;
}  

section{
    min-height: 100vh;
    padding: 8rem 12%;
    width: 100%;
    position: relative;
}
.about{
    display: flex;
    align-items: center;
    justify-content: center;
}
.about .about-container{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10rem;
}
.about img{
    width: 30vw;
    border-radius: 50%;
}
.info-box{
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}
.info-box h3{
    font-size: 1.8rem;
    font-weight: 500;
    opacity: 0.8;
}
.info-box h1{
    font-size: 4rem;
    font-weight: 600;
}
.info-box span{
    background: linear-gradient(to right, rgb(0, 157, 255), rgb(255, 0, 255));
    background-clip: text;
    color: transparent;
    font-size: 2rem;
}
.btn-group{
    display: flex;
    gap: 1rem;
}
.btn{
    display: inline-block;
    border-radius: 3rem;
    padding: 0.5rem 1.5rem;
    border: 2px solid black;
    cursor: pointer;
    font-weight: 500;
    text-wrap: nowrap;
    transition: 0.2s ease-in-out;
    background-color: transparent;
    color: black;
}
.btn:hover{
    background-color: black;
    color: white;
}
.socials{
    display: flex;
    gap: 2rem;
}
.socials i{
    font-size: 2.5rem;
    cursor: pointer;
    transition: 0.2s ease-in-out;
}
.socials i:hover{
    transform: scale(1.1);
}
.socials a{
    color: black;
}

.section-title{
    text-align: center;
    font-size: 4rem;
    font-weight: 600;
    margin-bottom: 3rem;
}
.experience-info{
    display: flex;
    align-items: center;
    gap: 5rem;
}
.experience img{
    width: 24vw;
    border-radius: 3rem;
}
.grid{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 2rem;
}
.grid-card{
    border: 2px solid black;
    border-radius: 3rem;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: baseline;
    justify-content: left;
    cursor: pointer;
    transition: 0.2s ease-in-out;
}
.grid-card:hover{
    transform: scale(1.02);
    background-color: black;
    color: white;
}
.grid-card i{
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.grid-card span{
    font-size: 1.5rem;
    font-weight: 500;
    background: linear-gradient(to right, rgb(0, 157, 255), rgb(255, 0, 255));
    background-clip: text;
    color: transparent;
}
::-webkit-scrollbar{
    width: 20px;
}
::-webkit-scrollbar-track{
    background-color: rgb(219, 219, 219);
}
::-webkit-scrollbar-thumb{
    background: linear-gradient(to bottom, rgb(0, 157, 255), rgb(255, 0, 255));
}

.projects-grid{
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 2rem;
}
.project-card{
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1.5rem;
    border: 2px solid black;
    border-radius: 3rem;
    cursor: pointer;
    transition: 0.3s ease-in-out;
}
.project-card:hover{
    background-color: black;
    color: white;
    transform: translateY(-10px)scale(1.02);
}
.project-card img{
    width: 20vw;
    border-radius: 1rem;
}
.project-card:hover .btn{
    border: 2px solid white;
    color: white;
}
.project-card:hover .btn:hover{
    border: 2px solid white;
    background-color: white;
    color: black;
}
.project-card h3{
    font-size: 2rem;
    font-weight: 500;
}

.contact {
    padding: 6rem 1.5rem 4rem;
    display: flex;
    justify-content: center;
}
.contact .input-box {
    max-width: 720px;
    width: 100%;
    margin-top: 3rem;
    gap: 3rem;
}
.input {
    position: relative;
    width: 100%;
}
.input-box input,
.input-box textarea {
    width: 100%;
    max-width: 100%;
    border-radius: 1.5rem;
    border: 2px solid black;
    padding: 0.9rem 1rem 0.9rem 2.8rem; /* room for icon */
    font-size: 1rem;
}
.input-box input::placeholder,
.input-box textarea::placeholder {
    font-size: 1rem;
}
.input i {
    position: absolute;
    font-size: 1.25rem;
    top: 50%;
    left: 0.9rem;
    transform: translateY(-50%);
}
.input.textarea i {
    top: 1.1rem;
    transform: none;
}
/* space between each contact field */
.input-box .input {
    margin-bottom: 1rem;   
}
/* optional: control spacing above the submit button */
.input-box button {
    margin-top: 1rem;      
}

footer{
    bottom: 0;
    left: 0;
    height: 10rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}
footer ul{
    display: flex;
    align-items: center;
    gap: 3rem;
}
footer ul li a{
    color: black;
    font-weight: 600;
}
.copyright{
    font-weight: 300;
    margin-top: 2rem;
}


@media(max-width:1280px){
    header{
        padding: 1rem 2rem;
        gap: 2rem;
    }
    .about .about-container{
        gap: 3rem;
    }
    .experience-info{
        flex-direction: column;
    }
    .input-box input{
        padding: 2rem 5rem;
        font-size: 2.5rem;
    }
    .input-box input::placeholder{
        font-size: 2.5rem;
    }
    .input-box i{
        font-size: 2.5rem;
    }
}

@media(max-width:768px){
    header{
        gap: 1rem;
        padding: 1rem 1rem;
    }
    header .logo{
        font-size: 1rem;
    }
    header .visit-btn{
        display: none;
    }
    .about-container{
        flex-direction: column;
    }
    .input-box input{
        padding: 1rem 2rem;
        font-size: 1.8rem;
    }
    .input-box input::placeholder{
        font-size: 1.5rem;
    }
    .input-box i{
        display: none;
    }
    .grid{
        grid-template-columns: repeat(1,1fr);
    }
    .experience-info img{
        width: 70vw;
    }
}

@media(max-width:600px){
    header #menu-icon{
        display:block
    }
    .nav-links{
        position: absolute;
        top: 100%;
        margin-top: 1rem;
        width: 100%;
        padding: 1rem;
        color: white;
        flex-direction: column;
        text-align: center;
        background: rgba(0, 0, 0, 0.9);
        border-radius: 3rem;
        display: none;
    }
    .nav-links li{
        margin-top: 1.5rem;
        padding: 1rem;
    }
    .nav-links.active{
        display: flex;
    }
    header{
        padding: 1rem 5rem;
        gap: 8rem;
    }
    header .logo{
        font-size: 1.5rem;
    }

    .about-container img{
        width: 80vw;
    }
    .input-box input{
        padding: 0.5rem 3rem;
        width: 80%;
        font-size: 1.5rem;
    }
    .input-box input::placeholder{
        font-size: 1.5rem;
    }
    .input-box textarea{
        width: 80%;
        padding: 1rem 1.5rem 1rem 3rem;
        font-size: 1.25rem;
    }
        /* smaller section heading on mobile */
    .section-title{
        font-size: 3rem;
        line-height: 1.1;
        margin-bottom: 2rem;
    }

    /* contact form tighter + full width on small screens */
    .contact .input-box{
        margin-top: 2rem;
        align-items: center;
    }

    .contact .input{
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .input-box input,
    .input-box textarea{
        width: 85%;
    }

    .input-box button{
        margin-top: 1.5rem;
    }
        /* project cards: tighter padding on mobile */
    .project-card{
        padding: 2rem 1.25rem;
    }

    /* stack buttons & make them full width so they don't hit the edges */
    .btn-group{
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0.75rem;
    }

    .btn-group .btn{
        width: 100%;
        text-align: center;
    }
    footer ul{
        gap: 1rem;
    }
}