*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html, body{
    max-width: 100%;
    overflow-x: hidden;
}
a{
    text-decoration: none;
    color: #D8E7F1;
}
body {
    height: auto;
    background:
        radial-gradient(
        ellipse at top,
        #0b1020 0%,
        #060813 55%,
        #02030a 100%
    );
    color: #D8E7F1;
    position: relative;
}

.header-block{
    width: 100%;
    height: 100px;
    position: fixed;
    z-index: 2;

    display: flex;
    justify-content: space-evenly;
    flex-direction: row;
    align-items: center;
}
.header-item{
    font-size: clamp(20px, 3vw, 28px);
    margin: 10px;
    cursor: pointer;
    font-family: RobotoRegular;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}
.header-item:hover{
    color: #6591b5;
    text-shadow: 0 0 16px rgba(101, 145, 181, 0.7);
}
.base-block{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
}

.hero {
    background: url(../img/space2.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative; 
    z-index: 1;

    font-family: RobotoBold;
}

.hero-text {
    font-size: 48px;
    position: relative;
    z-index: 2;
}
.wrapper,
.content {
    position: relative;
    width: 100%;
}

.content {
    overflow-x: hidden;
}

.image-container {
    width: 100%;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 3;
    perspective: 500px;
    overflow: hidden;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transform: scale(1);
    opacity: 1;
}

.title-block{
    font-size: 48px;
    font-family: RobotoBold;
    border-bottom: #6591b5 solid 4px;
    padding: 20px;
    transition: text-shadow 0.3s ease;
}
.title-block:hover{
    text-shadow: 0 0 20px rgba(101, 145, 181, 0.6);
}

.content-block{
    font-family: RobotoRegular;
    font-size: 28px;
    margin: 30px;
    text-align: center;
}
.base-block.how-work{
    box-sizing: border-box;
    width: 100%;
    height: auto;
    background: url(../img/planet.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: bottom;
    gap: 30px;
    padding: 80px 20px;
}
.row-of-cards{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: wrap;
}
/* ===== "What I do" cards ===== */
.work-card{
    width: 260px;
    min-height: 300px;
    margin: 10px;
    border-radius: 25px;
    border: solid 1px rgba(216, 231, 241, 0.25);
    background: rgba(216, 231, 241, 0.05);
    padding: 40px 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.35s ease, border-color 0.35s ease,
                box-shadow 0.35s ease, background 0.35s ease;
}
.work-card:hover{
    transform: translateY(-10px);
    border-color: #6591b5;
    background: rgba(101, 145, 181, 0.08);
    box-shadow: 0 0 35px rgba(101, 145, 181, 0.35);
}
.card-img{
    width: 220px;
    height: auto;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-img img{
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 0 rgba(101, 145, 181, 0));
    transition: filter 0.35s ease;
}
.work-card:hover .card-img img{
    filter: drop-shadow(0 0 12px rgba(101, 145, 181, 0.9));
}
.card-title{
    font-family: RobotoBold;
    font-size: 20px;
    margin-bottom: 12px;
    transition: text-shadow 0.35s ease;
}
.work-card:hover .card-title{
    text-shadow: 0 0 18px rgba(101, 145, 181, 0.8);
}
.card-text{
    font-family: RobotoRegular;
    font-size: 15px;
    line-height: 1.5;
    color: rgba(216, 231, 241, 0.7);
}

/* ===== Project / video cards ===== */
.projects-block{
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    width: 100%;
    padding: 20px 20px 100px;
}
.project-card{
    width: 100%;
    max-width: 1000px;
    display: flex;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(216, 231, 241, 0.25);
    background: rgba(216, 231, 241, 0.03);
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}
.project-card:hover{
    border-color: #6591b5;
    box-shadow: 0 0 45px rgba(101, 145, 181, 0.25);
}
.project-video{
    position: relative;
    flex: 1 1 50%;
    aspect-ratio: 16 / 9;
    background: #000;
    cursor: pointer;
    overflow: hidden;
}
.project-video video{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.play-button{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70px;
    height: 70px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(216, 231, 241, 0.6);
    background: rgba(6, 8, 19, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    pointer-events: none;
}
.play-button::before{
    content: "";
    margin-left: 5px;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-left: 20px solid #D8E7F1;
}
.project-video:hover .play-button{
    box-shadow: 0 0 25px rgba(101, 145, 181, 0.8);
    border-color: #6591b5;
}
.project-video.is-playing .play-button{
    opacity: 0;
}
.project-info{
    flex: 1 1 50%;
    padding: 45px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.project-type{
    font-family: RobotoRegular;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #6591b5;
    margin-bottom: 14px;
}
.project-title{
    font-family: RobotoBold;
    font-size: 30px;
    margin-bottom: 16px;
}
.project-tools{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}
.tool-tag{
    font-family: RobotoRegular;
    font-size: 13px;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(101, 145, 181, 0.4);
    color: rgba(216, 231, 241, 0.85);
}
.project-desc{
    font-family: RobotoRegular;
    font-size: 16px;
    line-height: 1.6;
    color: rgba(216, 231, 241, 0.75);
}

@media (max-width: 720px){
    .project-card{
        flex-direction: column;
    }
}

/* ===== Contact form ===== */
.contact-card{
    width: 100%;
    max-width: 1000px;
    box-sizing: border-box;
    display: flex;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(216, 231, 241, 0.25);
    background: rgba(216, 231, 241, 0.03);
    margin-top: 40px;
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}
.contact-card:hover{
    border-color: #6591b5;
    box-shadow: 0 0 45px rgba(101, 145, 181, 0.2);
}
.contact-form-side{
    flex: 1 1 50%;
    padding: 45px 40px;
}
.contact-form{
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.contact-info-side{
    flex: 1 1 50%;
    padding: 45px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    background: rgba(101, 145, 181, 0.05);
    border-left: 1px solid rgba(216, 231, 241, 0.15);
}
.info-item{
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.info-label{
    font-family: RobotoRegular;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #6591b5;
}
.info-value{
    font-family: RobotoRegular;
    font-size: 18px;
    color: #D8E7F1;
    word-break: break-word;
}

@media (max-width: 720px){
    .contact-card{
        flex-direction: column;
    }
    .contact-info-side{
        border-left: none;
        border-top: 1px solid rgba(216, 231, 241, 0.15);
    }
}
.form-group{
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-label{
    font-family: RobotoRegular;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #6591b5;
}
.form-input,
.form-textarea{
    font-family: RobotoRegular;
    font-size: 16px;
    color: #D8E7F1;
    background: rgba(216, 231, 241, 0.05);
    border: 1px solid rgba(216, 231, 241, 0.25);
    border-radius: 12px;
    padding: 14px 16px;
    outline: none;
    width: 100%;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.form-input::placeholder,
.form-textarea::placeholder{
    color: rgba(216, 231, 241, 0.35);
}
.form-input:focus,
.form-textarea:focus{
    border-color: #6591b5;
    background: rgba(101, 145, 181, 0.08);
    box-shadow: 0 0 20px rgba(101, 145, 181, 0.25);
}
.form-textarea{
    resize: vertical;
    min-height: 140px;
}
.submit-btn{
    align-self: flex-start;
    font-family: RobotoBold;
    font-size: 16px;
    letter-spacing: 1px;
    color: #D8E7F1;
    background: transparent;
    border: 1px solid #6591b5;
    border-radius: 30px;
    padding: 14px 36px;
    cursor: pointer;
    transition: background 0.35s ease, box-shadow 0.35s ease, transform 0.2s ease;
}
.submit-btn:hover{
    background: rgba(101, 145, 181, 0.15);
    box-shadow: 0 0 30px rgba(101, 145, 181, 0.5);
    transform: translateY(-2px);
}

@media (max-width: 600px){
    .contact-form-side,
    .contact-info-side{
        padding: 35px 24px;
    }
}

/* ===== Footer ===== */
.footer{
    width: 100%;
    box-sizing: border-box;
    padding: 60px 20px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    border-top: 1px solid rgba(216, 231, 241, 0.15);
}
.footer-links{
    display: flex;
    gap: 24px;
}
.footer-link{
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid rgba(216, 231, 241, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #D8E7F1;
    transition: border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}
.footer-link svg{
    width: 20px;
    height: 20px;
    fill: currentColor;
}
.footer-link:hover{
    border-color: #6591b5;
    color: #6591b5;
    box-shadow: 0 0 25px rgba(101, 145, 181, 0.5);
    transform: translateY(-3px);
}
.footer-copy{
    font-family: RobotoRegular;
    font-size: 14px;
    color: rgba(216, 231, 241, 0.5);
}