body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    color: white;
    min-height: 100vh;
}

html {
    scroll-behavior: smooth;
}

.main-background {
    background: linear-gradient(135deg, #1f1f1f, #3d3d3d);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.btn {
    background-color: white;
    color: black;
    padding: 15px 30px;
    border-radius: 5px;
    border: 2px solid black;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    margin-top: 80px;
}

.btn:hover {
    background-color: black;
    color: white;
}

header, footer {
    background: transparent;
    position: relative;
    z-index: 1;
    padding: 15px 0;
    text-align: center;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin: 0;
    margin-top: 20px;
    margin-bottom: 50px;
}

header nav ul li {
    margin: 0 20px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    text-transform: uppercase;
    transition: color 0.3s;
}

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

section {
    padding: 60px 20px;
    text-align: center;
    flex: 1;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

h2 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 20px;
}

p {
    font-size: 18px;
    line-height: 1.8;
    font-weight: 300;
    margin-bottom: 20px;
}

#home h1{
    margin-bottom: 50px;
}

#about p {
    max-width: 950px;
    margin: 0 auto; 
    text-align: center; 
}

#about h2 {
    margin-bottom: 100px;
}

.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%; 
    background-color: rgba(0, 0, 0, 0.9); 
    display: flex;
    justify-content: center; 
    align-items: center;
    overflow: hidden;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%; 
    max-height: 90%; 
    object-fit: contain; 
    border-radius: 15px;
    box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.7);
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

body.modal-open {
    overflow: hidden;
}



#projects {
    padding: 60px 20px;
    text-align: center;
}

.project-tabs {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin-top: 90px;
    margin-bottom: 70px;
}

.project-tabs li {
    margin: 0 15px;
    cursor: pointer;
    padding: 12px 25px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: white;
    transition: background-color 0.4s, transform 0.4s ease-in-out;
}

.project-tabs li:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.project-tabs li.active {
    background-color: rgba(255, 255, 255, 0.7); 
    transform: scale(1.1); 
    transition: background-color 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.project-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; 
    align-items: center; 
    gap: 30px;
    margin-top: 40px;
    max-width: 1200px;
    margin: 0 auto;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    margin-bottom: -90px;
}

.project-detail {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    width: 100%;
    max-width: auto;
    margin: 0 auto;
    text-align: left;
    display: none;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.project-detail.active {
    display: block;
    opacity: 1;
    transform: scale(1.05); 
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.project-detail h3 {
    font-size: 28px;
    margin-bottom: 15px;
    text-align: center;
}

.project-detail p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    text-align: center;
}

.project-detail a {
    color: white;
    text-decoration: none;
}

.project-tech {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.tech-logo {
    width: 20px; 
    height: auto;
    transition: transform 0.3s ease;
}

.tech-logo:hover {
    transform: scale(2.0); 
}

.project-screenshot {
    flex: 1 1 45%;
    max-width: 515px;
    height: auto;
    margin-left: 4%;
    margin-top: 20px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-screenshot:hover {
    transform: scale(1.1);
}

#skills h2 {
    margin-bottom: 100px;
}

.skills-content {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    justify-items: center;
    align-items: center;
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    transition: opacity 0.5s ease-in-out;
}

.skill {
    text-align: center;
    scroll-snap-align: center;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.skill-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.skill-logo:hover {
    transform: scale(1.4);
}

.skill p {
    margin-top: 10px;
    font-size: 18px;
    font-weight: 500;
}

.skills-appear {
    opacity: 1;
}

#contact {
    text-align: center;
    margin-top: 50px;
}

#contact h2 {
    margin-top: -50px;
    margin-bottom: 50px;
    font-size: 32px;
    font-weight: bold;
}

.contact-details {
    font-weight: bold;
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 80px;
}

.contact-invite {
    font-size: 18px;
    margin-bottom: 70px;
}

.contact-email {
    font-size: 19px;
    font-weight: bold;
    margin-bottom: 30px;
}

.contact-email a {
    color: whitesmoke;
    text-decoration: underline;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 150px;
}

.social-links img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.social-links img:hover {
    transform: scale(1.3);
}

footer {
    text-align: center;
    padding: 5px;
    background: transparent;
    z-index: 1;
    color: white;
    margin-top: auto;
}

/* Responsive updates for mobile */
@media (max-width: 768px) {
    header nav ul {
        flex-direction: column;
        margin-top: 10px;
        margin-bottom: 30px;
    }

    .btn {
        font-size: 16px;
        padding: 12px 25px;
        margin-top: 40px;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    p {
        font-size: 16px;
    }

    .project-tabs {
        flex-wrap: wrap;
        margin-top: 50px;
    }

    .project-screenshot {
        max-width: 100%;
        margin-left: 0;
    }

    .skills-content {
        grid-template-columns: repeat(2, 1fr);
        margin-bottom: 40px;
    }

    .social-links {
        gap: 20px;
        margin-bottom: 60px;
    }
}

@media (max-width: 480px) {
    header nav ul {
        margin-bottom: 20px;
    }

    .project-tabs li {
        margin: 5px 0;
        padding: 10px 20px;
    }

    .skills-content {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 24px;
    }

    p {
        font-size: 14px;
    }

    .project-screenshot {
        margin-left: 0;
    }

    .social-links img {
        width: 30px;
        height: 30px;
    }
}

.project-tabs.centered {
    justify-content: center;
    flex-wrap: wrap;
}