/* RESET */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html {
    scroll-behavior:smooth;
}

/* GLOBAL */

body{
    min-height:100vh;
    color:white;
    font-family:Arial,sans-serif;

    background:radial-gradient(
        circle at center,
        #4a4d58 0%,
        #2f3139 40%,
        #1d1f26 100%
    );
}

.container{
    width:90%;
    max-width:1200px;
    margin:auto;
}

/* HERO */

.hero{
    min-height:100vh;
    position:relative;
}

.hero::before{
    content:"";
    position:absolute;
    width:500px;
    height:500px;
    background:#ffffff;
    border-radius:50%;
    top:50%;
    left:50%;

    transform:translate(-50%, -50%);
    opacity:0.05;
    filter:blur(120px);

}

.hero .container {
    width:100%;
}

.hero-content {
    min-height:calc(100vh - 80px);
    padding-top:80px;

    display:flex;
    flex-direction:column;

    justify-content:center;
    align-items:center;

    text-align:center;

    position:relative;
    z-index:2;
}

.hero-top{
    display:block;
    font-size:14px;
    letter-spacing:8px;
    color:#c0c0c0;
}

.hero-subtitle {
    font-size:18px;
    color:#b5b5b5;
    margin-top:20px;
    letter-spacing:1px;
}

h1{
    font-size:140px;
    font-weight:800;
    letter-spacing:12px;
    margin-top:10px;
}

/* top-nav */

.top-nav{
    position: fixed;
    top:20px;

    width:90%;
    max-width:1400px;

    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:20px 30px;

    border-radius: 20px;

    z-index:1000;

    transition:
    background .3s ease,
    backdrop-filter .3s ease,
    border .3s ease,
    box-shadow .3s ease;
}

.top-nav.scrolled{
    background:rgba(255,255,255,.06);
    backdrop-filter:blur(20px);
    border: 1px solid rgba(255,255,255,.08);

    box-shadow:
    0 10px 30px rgba(0,0,0,.25);
}

/* burger */

.burger {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 80px;
    right: 20px;

    width: 260px;

    padding: 25px;

    display: flex;
    flex-direction: column;
    gap: 20px;

    background: rgba(255,255,255,.08);
    backdrop-filter: blur(20px);

    border-radius: 20px;

    opacity: 0;
    pointer-events: none;

    transition: .3s;

    z-index:999;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu a,
.mobile-menu button {
    color: white;
    text-decoration: none;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 16px;
}

.mobile-socials {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.15);

    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
}

.mobile-socials a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    color:white;
    text-decoration: none;
    font-size: 14px;
    gap:8px;

    flex:1;
}

.mobile-socials img {
    width: 28px;
    height: 28px;
}

/* scroll */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity .8s ease, transform .8s ease;
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

/* lang-btn */

.lang-btn{
    background: transparent;
    border:none;
    color:rgba(255,255,255,.75);

    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;

    cursor: pointer;
    transition: color .3s ease, opacity .3s ease;

    padding: 0;
}

.lang-btn:hover{
    box-shadow:
    25px 25px 50px rgba(0,0,0,.45),
    -10px -10px 20px rgba(255,255,255,.03);
}

/* logo and side-menu */

.logo {
    color:white;
    text-decoration:none;

    font-size:28px;
    font-weight:700;
    letter-spacing:4px;
}

.side-menu {
    display:flex;
    gap:50px;
    align-items: center;
}

.side-menu a{
    color:white;
    text-decoration:none;
    text-transform:uppercase;
    letter-spacing:2px;
    font-size:14px;
    position:relative;
}

.side-menu a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:-5px;

    width:0;
    height:2px;
    background:white;

    transition:.3s;
}

.side-menu a:hover::after{
    width:100%;
}

/* socials */

.socials {
    position:fixed;
    left:40px;
    bottom:40px;

    display:flex;
    flex-direction:column;
    gap:15px;

    z-index:1000;
}

.socials a{
    color: rgba(255,255,255,0.6);
    font-size:22px;
    transition:all .3s ease;
}

.socials a:hover{
    color:#fff;
    transform: scale(1.15);
}

.socials img,
.mobile-socials img{
    width:24px;
    height: 24px;
    opacity: .7;
    transition: .3s;
}

.socials a:hover img,
.mobile-socials a:hover img{
    opacity: 1;
    transform:scale(1.15);
}


/* ===== Project ===== */

.projects{
    padding:120px 0;
}

.project-card{
    position: absolute;
    top: 50%;
    left:50%;

    width: 75%;
    padding:30px;
    border-radius: 25px;
    
    background:rgba(255,255,255,.03);
    backdrop-filter:blur(20px);
    
    box-shadow: 
    20px 20px 40px rgba(0,0,0,.35),
    -10px -10px 20px rgba(255,255,255,.03);

    transition: all .5s ease;
}

.project-card.active{
    opacity:1;
    transform:scale(1);
}

.project-card:hover{
    box-shadow:
    25px 25px 50px rgba(0,0,0,.45),
    -10px -10px 20px rgba(255,255,255,.03);
}

.project-number{
    display:none;
    position:absolute;
    top:20px;
    left:20px;
    font-size:90px;
    font-weight:800;
    color:rgba(255,255,255,.06)
}

.project-card img{
    width:100%;
    height:450px;
    display:block;
    object-fit:cover;
    border-radius:20px;
}

.project-info{
    margin-top:25px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.project-info h2{
    font-size:36px;
    font-weight:700;
}

.project-btn{
    background:#262932;
    color:white;
    display: inline-block;
    text-decoration: none;
    text-align: center;
    border:none;
    padding:15px 25px;
    border-radius:12px;
    cursor:pointer;
    box-shadow:
    10px 10px 20px rgba(0,0,0,.3);

    transition:.3s;
}

.project-btn:hover{
    transform:translateY(-3px);
}

/* slider */

.slider{
    position:relative;
    width:100%;
    overflow: hidden;
    height: 700px;
}

.slider-track{
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-track .project-card{
    width: 70%;
    flex-shrink: 0;
}

.slider-btn{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    user-select:none;
    
    width:70px;
    height:70px;
    
    border:none;
    border-radius:50%;

    cursor:pointer;

    background: rgba(255,255,255,.08);
    backdrop-filter:blur(10px);
    transition:.3s;

    color:white;

    font-size:24px;

    z-index:10;

}

.slider-btn:hover{
    transform:translateY(-50%) scale(1.1);
}

.prev{
    left:20px;
}

.next{
    right:20px;
}


/* Contact */

.contact {
    padding:150px 0;
}

.contact-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:80px;
}

.contact-top{
    display:block;
    letter-spacing:6px;
    color:#c0c0c0;
    margin-bottom:20px;
}

.contact-info h2{
    font-size:60px;
    margin-bottom:30px;
}

.contact-info p{
    color:#b5b5b5;
    margin-bottom:10px;
    font-size:18px;
}

.contact-info a{
    color:#b5b5b5;
    text-decoration: none;
    transition: .3s;
}

.contact-info a:hover{
    color:white;
}

.contact-form{
    display:flex;
    flex-direction:column;
    gap:20px;
}

.contact-form input,
.contact-form textarea{
    background:
    rgba(255,255,255,.04);
    border:none;
    color:white;
    padding:18px 20px;
    border-radius:15px;
    backdrop-filter:blur(20px);
    font-size:16px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder{
    color:#999;
}

.contact-form textarea{
    height:180px;
    resize:none;
}

.contact-form button{
    background:#262932;
    color:white;
    border:none;
    padding:18px;
    border-radius:15px;
    cursor:pointer;
    transition:.3s;
}

.contact-form button:hover{
    transform:translateY(-4px);
}

.contact-form input,
.contact-form textarea,
.contact-form button{
    width:100%;
}

/* Image Modal */

.image-modal{
    position:fixed;
    inset:0;

    background:rgba(0,0,0,.9);

    display:flex;
    justify-content:center;
    align-items:center;

    opacity:0;
    visibility:hidden;

    transition:.3s;

    z-index:9999;
}

.image-modal.active{
    opacity:1;
    visibility:visible;
}

.image-modal img{
    max-width:90%;
    max-height:90%;

    border-radius:20px;

    box-shadow:0 20px 60px rgba(0,0,0,.5);
}

.close-modal{
    position:absolute;

    top:30px;
    right:40px;

    font-size:50px;
    color:white;

    cursor:pointer;

    transition:.3s;
}

.close-modal:hover{
    transform:scale(1.2);
}

/* Adaptiv */

@media (max-width:900px) {

    .contact-grid{
        grid-template-columns:1fr;
    }
}

@media(max-width:768px){

    .side-menu {
        display: none;
    }

    .slider {
        height: 420px;
    }

    .socials {
        display: none;
    }

    .burger {
        display: block;
    }
    
    h1{
        font-size: 64px;
        letter-spacing: 4px;
    }

    .container {
        width: 95%;
    }

    .top-nav {
        width: calc(100% - 20px);
        left: 10px;
        right: 10px;
        top: 10px;

        padding: 15px 20px;
        border-radius: 15px;
    }

    .logo {
        font-size:22px;
    }

    .side-menu {
        gap:20px;
    }

    .side-menu a,
    .lang-btn {
        font-size:12px;
        letter-spacing: 1px;
    }

    .hero-top {
        font-size: 12px;
        letter-spacing: 4px;
    }

    .hero-subtitle {
        font-size: 16px;
        text-align: center;
        padding: 0 20px;
    }

    .socials {
        display: none;
    }

    .slider-track .project-card {
        width: 100%;
        flex: 0 0 100%;
    }

    .project-card {
        width: 90%;
        padding: 15px;
    }

    .project-card img {
        height: 200px;
    }

    .project-info {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .project-info h2 {
        font-size: 22px;
    }

    .project-info button,
    .project-btn {
        width: 100%;
    }

    .slider-btn {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }

    .contact {
        padding: 80px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info h2 {
        font-size: 36px;
    }

    .contact-info {
        text-align: center;
    }

    .mobile-socials {
        display: flex;
        justify-content: center;
        gap:25px;
        margin-top:30px;
        flex-direction: row;
    }

    .mobile-socials a:hover {
        transform: scale(1.15);
    }

    .image-modal img{
        width: auto;
        max-width: 95%;
        max-height: 85vh;
    }
}

@media (max-width: 480px) {
    .side-menu {
        gap: 12px;
    }

    .side-menu a,
    .lang-btn {
        font-size: 11px;
    }

    .logo {
        font-size: 18px
    }
}