@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:ital,wght@0,200..900;1,200..900&display=swap');

:root {
    --bg-color: #ffffff;
    --main-color: #4169E1;
    --text-color: #333;
    --second-text-color: #555;
    --white-color: #fff;
    --text-dark: #fff;
    --cover-color: linear-gradient(45deg, #4169E1, #1E40AF);
    --pages-color: linear-gradient(90deg, #f9f9f9, #ddd);
    --border: .125rem solid #4169E1;
    --box-shadow: 0 0 0.6rem #4169E166;
}

.dark-theme {
    --bg-color: #0D0D0D;
    --main-color: #FF9900;
    --text-color: #E0E0E0;
    --second-text-color: #A0A0A0;
    --white-color: #FFFFFF;
    --text-dark: #242424;
    --cover-color: linear-gradient(45deg, #FF9900, #D97706);
    --pages-color: linear-gradient(90deg, #222, #111);
    --border: .125rem solid #FF9900;
    --box-shadow: 0 0 0.6rem #FF990066;
}

body {
    font-family: "Source Code Pro", serif;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-color);
    background: var(--bg-color);
    overflow: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" opacity="0.05"><text x="10" y="20" font-family="monospace" font-size="12" fill="var(--second-text-color)">let code = "life";</text><text x="10" y="40" font-family="monospace" font-size="12" fill="var(--second-text-color)">function dev() {</text><text x="10" y="60" font-family="monospace" font-size="12" fill="var(--second-text-color)">  return "Sudam";</text><text x="10" y="80" font-family="monospace" font-size="12" fill="var(--second-text-color)">}</text></svg>') repeat;
    z-index: -1;
    opacity: 0.05;
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent;
    }

    50% {
        border-color: var(--main-color);
    }
}

.profile-page p,
.workeduc-content p,
.services-content p,
.skills-content p {
    animation: fadeInText 1s ease-in-out forwards;
    opacity: 0;
    animation-delay: 2.5s;
}

@keyframes fadeInText {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.floating-bits {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    pointer-events: none;
}

.floating-bit {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--main-color);
    opacity: 0.3;
    border-radius: 50%;
    animation: float 6s infinite ease-in-out;
}

.floating-bit:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-bit:nth-child(2) {
    top: 60%;
    left: 30%;
    animation-delay: 1s;
}

.floating-bit:nth-child(3) {
    top: 40%;
    left: 70%;
    animation-delay: 2s;
}

.floating-bit:nth-child(4) {
    top: 80%;
    left: 50%;
    animation-delay: 3s;
}

@keyframes float {
    0% {
        transform: translateY(0);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-20px);
        opacity: 0.5;
    }

    100% {
        transform: translateY(0);
        opacity: 0.3;
    }
}

h2 {
    font-size: 1rem;
    font-weight: 600;
}

p {
    font-size: 0.7rem;
}

.wrapper {
    position: relative;
    margin: auto;
    height: 40rem;
    padding: 0.8rem;
    perspective: 250rem;
    animation: animate 2s forwards;
}

@keyframes animate {

    0%,
    30% {
        opacity: 0;
        transform: rotate(-20deg);
    }

    100% {
        opacity: 1;
        transform: rotate(0deg);
    }
}

.cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 90%;
    background: var(--cover-color);
    box-shadow: var(--box-shadow);
    border-top-left-radius: .6rem;
    border-bottom-left-radius: .6rem;
    transform-origin: right;
}

.cover.cover-left {
    z-index: -1;
}

.cover-right {
    z-index: 100;
    transition: transform 1s cubic-bezier(0.075, 0.82, 0.165, 1);
}

.cover.cover-right.turn {
    transform: rotateY(180deg);
}

.book {
    position: relative;
    width: 100%;
    height: 90%;
    display: flex;
    perspective: 250rem;
}

.book-page {
    position: absolute;
    width: 50%;
    height: 100%;
    background: var(--pages-color);
    box-shadow: 0 0 0.6rem #00000033;
    padding: 1.8rem;
}

.book-page.page-left {
    box-shadow: -.6rem 0 .6rem #00000033;
}

.profile-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.profile-page img {
    max-width: 180px;
    border-radius: 50%;
    border: .25rem solid var(--main-color);
    margin-bottom: .8rem;
}

.profile-page h1 {
    font-size: 2.7rem;
    line-height: 1;
    font-weight: 700;
}

.profile-page h2 {
    font-size: 1.5rem;
    color: var(--main-color);
    font-weight: 700;
}

.social-media {
    margin: .6rem 0 .8rem;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: var(--border);
    border-radius: 50%;
    font-size: 1.3rem;
    color: var(--main-color);
    margin: 0 .2rem;
    transition: .5s;
}

.social-media a:hover {
    background: var(--main-color);
    color: var(--white-color);
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 9.5rem;
    height: 3rem;
    background: var(--main-color);
    border: var(--border);
    border-radius: .3rem;
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    margin-top: 1rem;
    transition: .5s;
}

.btn:hover {
    background: transparent;
    color: var(--main-color);
}

.btn-box .btn:nth-child(2) {
    background: transparent;
    color: var(--main-color);
}

.btn-box .btn:nth-child(2):hover {
    background: var(--main-color);
    color: var(--text-dark);
}

.book-page.page-right {
    position: absolute;
    right: 0;
    transform-style: preserve-3d;
    transform-origin: left;
    transition: transform 1s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.book-page.page-right.turn {
    transform: rotateY(-180deg);
}

.book-page .page-front,
.book-page .page-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--pages-color);
    padding: 1.5rem;
}

.book-page .page-front {
    transform: rotateY(0deg) translateZ(1px);
}

.book-page .page-back {
    transform: rotateY(180deg) translateZ(1px);
}

.title {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 700;
}

.workeduc-box {
    border-left: var(--border);
}

.workeduc-content {
    position: relative;
    padding-left: 1.6rem;
    margin-bottom: 1.2rem;
}

.workeduc-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -0.65rem;
    width: 1.2rem;
    height: 1.2rem;
    background: var(--text-dark);
    border: 5px solid var(--main-color);
    border-radius: 50%;
}

.workeduc-content .year {
    color: var(--main-color);
}

.workeduc-content .year i {
    margin-right: .4rem;
}

.number-page {
    position: absolute;
    bottom: 1.2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    color: var(--main-color);
}

.nextprev-btn {
    position: absolute;
    bottom: .9rem;
    right: 1.5rem;
    cursor: pointer;
    color: var(--second-text-color);
    font-size: 1.4rem;
}

.nextprev-btn:hover {
    color: var(--main-color);
}

.nextprev-btn.back {
    left: 1.5rem;
    right: auto;
}

.services-box {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.services-content {
    flex: 1 1 10rem;
    border: var(--border);
    border-radius: .5rem;
    padding: .8rem .5rem 1.1rem;
    text-align: center;
    transition: .3s ease;
}

.services-content:hover {
    box-shadow: var(--box-shadow);
}

.services-content i {
    font-size: 2.5rem;
    color: var(--main-color);
}

.services-content p {
    margin: .2rem 0;
}

.services-content .btn {
    height: 2.5rem;
    width: 8rem;
}

.skills-content .content span {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 6rem;
    height: 2cm;
    border: var(--border);
    border-radius: .3rem;
    font-weight: 600;
    transition: .3s ease;
}

.skills-content .content span:hover {
    box-shadow: var(--box-shadow);
}

.skills-content .content span i {
    font-size: 2rem;
    color: var(--main-color);
}

.back-profile {
    position: absolute;
    bottom: 1.2rem;
    right: 2rem;
    width: 2rem;
    height: 2rem;
    background: transparent;
    border: var(--border);
    border-radius: .3rem;
    font-size: 1.1rem;
    color: var(--main-color);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    transition: .5s;
}

.back-profile:hover {
    background: var(--main-color);
    color: var(--white-color);
}

.back-profile p {
    position: absolute;
    top: 0;
    left: 50%;
    color: var(--main-color);
    transform: translateX(-50%) scale(.5);
    font-size: 1rem;
    opacity: 0;
    transition: .5s;
}

.back-profile:hover p {
    opacity: 1;
    transform: translateX(-50%) scale(1);
    top: -1.8rem;
}

.projects-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.gallery-box {
    width: 60%;
    height: 300px;
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    animation: galleryRotate 20s linear infinite;
    animation-delay: 1s;
    -webkit-animation: galleryRotate 20s linear infinite;
    -webkit-animation-delay: 1s;
    margin: auto;
}

.gallery-box span img:hover {
    cursor: pointer;
}

.gallery-box:hover {
    animation-play-state: paused;
    -webkit-animation-play-state: paused;
}

@keyframes galleryRotate {
    0% {
        transform: perspective(800px) rotateY(0deg);
    }

    100% {
        transform: perspective(800px) rotateY(360deg);
    }
}

.gallery-box span {
    position: absolute;
    width: 100%;
    height: 100%;
    transform: rotateY(calc(var(--i) * 60deg)) translateZ(250px);
    -webkit-transform: rotateY(calc(var(--i) * 60deg)) translateZ(250px);
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery-box span a {
    display: block;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery-box span img {
    width: 85%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    border: 3px double var(--text-dark, #fff);
    background-color: #f0f0f0;
    display: block !important;
    visibility: visible !important;
}

.fallback-gallery {
    display: none;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.fallback-gallery a {
    width: 150px;
    height: 200px;
}

.fallback-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--text-dark, #fff);
    display: block;
    visibility: visible;
}

.gallery-box:empty+.fallback-gallery,
.gallery-box:not(:has(img))+.fallback-gallery {
    display: flex;
}

.fallback-message {
    color: var(--second-text-color, #666);
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
}

@media screen and (max-width: 768px) {
    .wrapper {
        display: none;
    }

    .mobile-wrapper {
        height: 100vh;
        overflow: hidden;
        position: relative;
    }

    .mobile-pages {
        display: flex;
        width: 100%;
        height: 100%;
        transition: transform 0.3s ease-out;
        touch-action: pan-y pinch-zoom;
        will-change: transform;
        -webkit-overflow-scrolling: touch;
    }

    .mobile-page {
        min-width: 100%;
        height: 100%;
        padding: 1.5rem;
        background: var(--pages-color);
        position: relative;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        user-select: none;
        -webkit-user-drag: none;
    }

    .mobile-next-btn,
    .mobile-prev-btn {
        position: absolute;
        bottom: 3rem;
        cursor: pointer;
        color: var(--second-text-color);
        font-size: 1.4rem;
        padding: 0.5rem;
        transform: translateY(50%);
        right: 1.5rem;
        z-index: 50000;
    }
    
    .mobile-next-btn {
        left: 1.5rem;
    }

    .mobile-next-btn:hover,
    .mobile-prev-btn:hover {
        color: var(--main-color);
    }

    .title {
        margin-bottom: 0.8rem;
        font-size: 1.4rem;
        font-weight: 600;
    }

    h2 {
        font-size: 1.4rem;
        line-height: 1.3rem;
        font-weight: 600;
    }

    p {
        font-size: 0.6rem;
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-in-out;
}