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

html,
body {
    width: 100%;
    height: 100%;
    font-family: 'Courier New', monospace;
    background: linear-gradient(70deg, #006290, #acfa70);
    background-size: 100% 100%;
    animation: moveGradient 10s ease infinite;
    display: flex;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

@keyframes moveGradient {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

#startScreen {
    position: fixed;
    z-index: 4;
    background: rgba(0, 0, 0, 0.7);
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#startBtn {
    padding: 1rem 2rem;
    font-size: 1.5rem;
    font-family: 'Courier New', monospace;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#startBtn:hover {
    background-color: #fff;
    color: #000;
}

.start-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.start-text {
    font-size: 2rem;
    color: #00ffcc;
    font-family: 'Courier New', monospace;
    text-align: center;
    text-shadow: 0 0 5px #00ffcc, 0 0 10px #00ffcc;
    animation: flicker 2s infinite;
}

@keyframes flicker {
    0% {
        opacity: 1;
    }

    45% {
        opacity: 0.4;
    }

    60% {
        opacity: 0.9;
    }

    75% {
        opacity: 0.2;
    }

    90% {
        opacity: 0.8;
    }

    100% {
        opacity: 1;
    }
}

video {
    width: 80%;
    height: auto;
    object-fit: contain;
    z-index: 1;
    border-radius: 28px;
    margin-top: 2rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.overlay {
    position: absolute;
    background-color: black;
    width: 0;
    height: 0;
    border-radius: 50%;
    z-index: 2;
    pointer-events: none;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: width 1s ease, height 1s ease;
}

.overlay.expand {
    width: 3000px;
    height: 3000px;
}

#cvContent {
    position: relative;
    z-index: 3;
    color: #ffffff;
    display: none;
    opacity: 0;
    transition: opacity 1.5s ease;
    padding: 2rem;
    width: 100%;
    overflow-y: auto;
    margin-top: 2rem;
    max-height: 100vh;
    box-sizing: border-box;
}

#cvContent.show {
    display: block;
    opacity: 1;
}

.cv-container {
    display: flex;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.cv-container ul {
    font-style: italic;
    padding-inline-start: 10%;
}

.cv-container ul li {
    padding-bottom: 3%;
}

h2 {
    color: #00ffcc;
    font-family: 'Courier New', monospace;
}

a {
    color: #00ffcc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.left,
.right {
    flex: 1 1 400px;
    min-width: 300px;
}
h1,
h2 {
    margin-bottom: 0.5rem;
    text-align: left;
}

p {
    margin-bottom: 1rem;
}

.right img {
    width: 80%;
    max-width: 300px;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 15px #ffffff;
}

.profile-img-mobile {
    display: none;
}

.profile-img-desktop {
    display: block;
}

@media screen and (max-width: 910px) {
    .cv-container {
        flex-direction: column;
        padding: 1rem;
    }

    .left,
    .right {
        min-width: 100%;
        width: 100%;
    }

    .right img {
        width: 60%;
        max-width: 200px;
        margin: 1rem auto;
        display: block;
    }

    h1,
    h2 {
        text-align: center;
    }

    h2 {

        margin-bottom: 40px;
    }

    h2:nth-of-type(1) {
        margin-top: 40px;
    }

    p {
        text-align: left;
        font-size: 1rem;
    }

    #cvContent {
        padding: 1rem;
        margin-top: 1rem;
        overflow-y: auto;
        max-height: calc(100vh - 3rem);
    }

    video {
        width: 90%;
        height: auto;
        margin-top: 2rem;
    }

    .start-text {
        font-size: 1rem;
    }

    #startBtn {
        font-size: 1.2rem;
    }

    .left h1 {
        order: 1;
        text-align: center;
    }

    .right img {
        order: 2;
        display: none;
    }

    .left p:nth-of-type(1),
    .left p:nth-of-type(2),
    .left p:nth-of-type(3),
    .left p:nth-of-type(4) {
        order: 3;
        text-align: center;
    }

    .left h2:nth-of-type(1),
    .left p:nth-of-type(5),
    .left p:nth-of-type(6) {
        order: 4;
    }

    .right h2,
    .right p {
        order: 5;
    }

    .profile-img-mobile {
        display: block;
        text-align: center;
    }

    .profile-img-mobile img {
        width: 60%;
        max-width: 200px;
        margin: 1rem auto;
        border-radius: 10px;
        box-shadow: 0 0 15px #ffffff;
    }

    .profile-img-desktop {
        display: none;
    }

}