/* =========================================================
   SINGLE PORTFOLIO - 3D GAMING DESIGN
========================================================= */

.single-portfolio-page {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    background:
        radial-gradient(
            circle at 15% 25%,
            rgba(77, 80, 255, 0.16),
            transparent 32%
        ),
        radial-gradient(
            circle at 85% 65%,
            rgba(0, 190, 255, 0.10),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #05060b 0%,
            #090b13 45%,
            #05060a 100%
        );

    color: #ffffff;
}


/* Decorative background glow */

.single-portfolio-page::before {
    content: "";
    position: absolute;

    width: 500px;
    height: 500px;

    top: 5%;
    left: -250px;

    border-radius: 50%;

    background: rgba(104, 82, 255, 0.12);

    filter: blur(100px);

    pointer-events: none;
}

.single-portfolio-page::after {
    content: "";
    position: absolute;

    width: 450px;
    height: 450px;

    right: -200px;
    top: 40%;

    border-radius: 50%;

    background: rgba(0, 185, 255, 0.08);

    filter: blur(100px);

    pointer-events: none;
}


/* =========================================================
   MAIN SECTION
========================================================= */

.portfolio-detail-section {
    position: relative;
    z-index: 2;

    padding: 150px 0 120px;

    perspective: 1600px;
}

.portfolio-detail-section .container {
    width: min(1380px, calc(100% - 70px));
    margin: 0 auto;
}


/* =========================================================
   3D TWO COLUMN LAYOUT
========================================================= */

.portfolio-detail-layout {
    position: relative;

    display: grid;

    grid-template-columns:
        minmax(0, 1.12fr)
        minmax(0, 0.88fr);

    gap: 90px;

    align-items: center;
}


/* =========================================================
   LEFT IMAGE - 3D CARD
========================================================= */

.portfolio-detail-left {
    position: relative;

    width: 100%;

    perspective: 1400px;
}


/* Back layer */

.portfolio-detail-left::before {
    content: "";

    position: absolute;

    width: 90%;
    height: 90%;

    left: 5%;
    top: 12%;

    border-radius: 32px;

    background:
        linear-gradient(
            145deg,
            rgba(116, 86, 255, 0.5),
            rgba(0, 168, 255, 0.15)
        );

    transform:
        translateZ(-80px)
        rotate(-4deg);

    filter: blur(2px);

    opacity: 0.45;
}


/* Floating bottom plate */

.portfolio-detail-left::after {
    content: "";

    position: absolute;

    width: 75%;
    height: 45px;

    left: 50%;
    bottom: -35px;

    transform:
        translateX(-50%)
        rotateX(70deg);

    border-radius: 50%;

    background:
        rgba(96, 87, 255, 0.30);

    filter: blur(18px);

    opacity: 0.8;
}


/* Image card */

.portfolio-featured-image {
    position: relative;

    z-index: 3;

    width: 100%;

    overflow: hidden;

    border-radius: 30px;

    background: #10131d;

    transform:
        rotateY(7deg)
        rotateX(2deg)
        translateZ(40px);

    transform-style: preserve-3d;

    box-shadow:
        -25px 35px 60px rgba(0, 0, 0, 0.55),
        0 20px 70px rgba(80, 63, 255, 0.18),
        inset 0 0 0 1px rgba(255, 255, 255, 0.10);

    transition:
        transform 0.6s cubic-bezier(.2,.8,.2,1),
        box-shadow 0.6s ease;
}


/* Inner light border */

.portfolio-featured-image::before {
    content: "";

    position: absolute;

    inset: 0;

    z-index: 3;

    border-radius: inherit;

    padding: 1px;

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.35),
            rgba(255,255,255,0.03),
            rgba(118,85,255,0.35)
        );

    pointer-events: none;

    opacity: 0.7;
}


/* Dark depth overlay */

.portfolio-featured-image::after {
    content: "";

    position: absolute;

    inset: 0;

    z-index: 2;

    pointer-events: none;

    background:
        linear-gradient(
            180deg,
            transparent 55%,
            rgba(0,0,0,0.20)
        );

    border-radius: inherit;
}


/* Actual image */

.portfolio-single-image {
    position: relative;

    z-index: 1;

    display: block;

    width: 100%;
    height: auto;

    object-fit: cover;

    transform: scale(1.01);

    transition:
        transform 0.7s cubic-bezier(.2,.8,.2,1);
}


/* Desktop 3D hover */

@media (hover: hover) {

    .portfolio-featured-image:hover {
        transform:
            rotateY(0deg)
            rotateX(0deg)
            translateY(-12px)
            translateZ(70px);

        box-shadow:
            0 45px 90px rgba(0, 0, 0, 0.60),
            0 30px 90px rgba(89, 66, 255, 0.28),
            inset 0 0 0 1px rgba(255,255,255,0.12);
    }

    .portfolio-featured-image:hover .portfolio-single-image {
        transform: scale(1.06);
    }
}


/* =========================================================
   RIGHT SIDE - GLASS 3D CONTENT CARD
========================================================= */

.portfolio-detail-right {
    position: relative;

    min-width: 0;

    padding: 52px;

    border-radius: 30px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.07),
            rgba(255,255,255,0.025)
        );

    border: 1px solid rgba(255,255,255,0.09);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    box-shadow:
        20px 35px 70px rgba(0,0,0,0.38),
        inset 1px 1px 0 rgba(255,255,255,0.07);

    transform:
        rotateY(-4deg)
        translateZ(15px);

    transform-style: preserve-3d;

    transition:
        transform 0.5s ease,
        border-color 0.5s ease;
}


.portfolio-detail-right:hover {
    transform:
        rotateY(0deg)
        translateY(-5px);

    border-color:
        rgba(129, 105, 255, 0.30);
}


/* Back decorative panel */

.portfolio-detail-right::before {
       content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0%;
    z-index: -1;
    border-radius: 30px;
    background: linear-gradient(145deg, rgba(99, 78, 255, 0.12), rgba(0, 174, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.04);
    transform: translateZ(0deg) rotate(0deg);
}


/* =========================================================
   HEADING
========================================================= */

.portfolio-detail-heading {
    position: relative;

    margin-bottom: 32px;

    transform: translateZ(40px);
}


.portfolio-detail-label {
    display: inline-flex;

    align-items: center;

    gap: 10px;

    margin-bottom: 20px;

    padding: 9px 14px;

    border-radius: 50px;

    background:
        rgba(112, 92, 255, 0.10);

    border:
        1px solid rgba(130, 108, 255, 0.24);

    font-size: 12px;

    font-weight: 600;

    line-height: 1;

    text-transform: uppercase;

    letter-spacing: 2px;

    color: #a69aff;
}


.portfolio-detail-label::before {
    content: "";

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #8b78ff;

    box-shadow:
        0 0 12px rgba(139, 120, 255, 0.85);
}


.portfolio-detail-title {
    margin: 0;

    max-width: 700px;

    font-size:
        clamp(42px, 4.8vw, 76px);

    font-weight: 700;

    line-height: 1.03;

    letter-spacing: -0.04em;

    color: #ffffff;

    text-shadow:
        0 8px 35px rgba(0,0,0,0.45);
}


/* =========================================================
   CONTENT
========================================================= */

.portfolio-single-content {
    position: relative;

    margin: 0;

    transform: translateZ(25px);

    font-size: 17px;

    line-height: 1.85;

    color: #b8bdcb;
}


.portfolio-single-content p {
    margin: 0 0 22px;
}


.portfolio-single-content p:last-child {
    margin-bottom: 0;
}


.portfolio-single-content h2,
.portfolio-single-content h3,
.portfolio-single-content h4 {
    color: #ffffff;

    margin-top: 35px;

    margin-bottom: 16px;

    line-height: 1.25;
}


.portfolio-single-content h2 {
    font-size: 30px;
}

.portfolio-single-content h3 {
    font-size: 24px;
}

.portfolio-single-content h4 {
    font-size: 20px;
}


.portfolio-single-content ul,
.portfolio-single-content ol {
    margin: 22px 0;

    padding-left: 22px;
}


.portfolio-single-content li {
    margin-bottom: 12px;
}


.portfolio-single-content li::marker {
    color: #8f7bff;
}


.portfolio-single-content a {
    color: #9d8cff;

    text-decoration: none;

    transition: color 0.3s ease;
}


.portfolio-single-content a:hover {
    color: #ffffff;
}


/* Images added inside content */

.portfolio-single-content img {
    display: block;

    max-width: 100%;

    height: auto;

    margin: 30px 0;

    border-radius: 18px;

    box-shadow:
        0 20px 50px rgba(0,0,0,0.35);
}


/* =========================================================
   NAVIGATION
========================================================= */

.portfolio-navigation {
    position: relative;

    z-index: 3;

    padding: 75px 0 100px;

    border-top:
        1px solid rgba(255,255,255,0.06);

    background:
        linear-gradient(
            180deg,
            rgba(255,255,255,0.01),
            transparent
        );
}


.portfolio-navigation .container {
    width: min(1380px, calc(100% - 70px));

    margin: 0 auto;
}


.portfolio-nav-wrapper {
    display: flex;

    align-items: stretch;

    justify-content: space-between;

    gap: 30px;
}


.portfolio-nav-prev,
.portfolio-nav-next {
    width: calc(50% - 15px);
}


.portfolio-nav-wrapper a {
    position: relative;

    display: flex;

    flex-direction: column;

    justify-content: center;

    min-height: 120px;

    gap: 10px;

    padding: 28px 32px;

    overflow: hidden;

    border-radius: 20px;

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.06),
            rgba(255,255,255,0.025)
        );

    border:
        1px solid rgba(255,255,255,0.08);

    box-shadow:
        0 15px 35px rgba(0,0,0,0.25);

    color: #ffffff;

    text-decoration: none;

    transition:
        transform 0.35s ease,
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}


.portfolio-nav-wrapper a:hover {
    transform: translateY(-7px);

    border-color:
        rgba(129,105,255,0.30);

    box-shadow:
        0 25px 50px rgba(0,0,0,0.35);
}


.portfolio-nav-wrapper span {
    font-size: 11px;

    font-weight: 600;

    text-transform: uppercase;

    letter-spacing: 1.7px;

    color: #838896;
}


.portfolio-nav-wrapper strong {
    font-size: 19px;

    line-height: 1.4;

    color: #ffffff;
}


.portfolio-nav-next {
    text-align: right;
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 1100px) {

    .portfolio-detail-section {
        padding:
            120px 0 90px;
    }


    .portfolio-detail-section .container,
    .portfolio-navigation .container {
        width:
            min(100% - 44px, 900px);
    }


    .portfolio-detail-layout {
        grid-template-columns: 1fr;

        gap: 65px;
    }


    .portfolio-detail-left {
        max-width: 800px;

        margin: 0 auto;
    }


    .portfolio-featured-image {
        transform:
            rotateX(3deg)
            rotateY(0deg);
    }


    .portfolio-detail-right {
        width: 100%;

        max-width: 800px;

        margin: 0 auto;

        transform: none;
    }


    .portfolio-detail-right:hover {
        transform: none;
    }


    .portfolio-detail-title {
        font-size:
            clamp(42px, 7vw, 64px);
    }
}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 767px) {

    .portfolio-detail-section {
        padding:
            90px 0 65px;
    }


    .portfolio-detail-section .container,
    .portfolio-navigation .container {
        width:
            calc(100% - 30px);
    }


    .portfolio-detail-layout {
        gap: 42px;
    }


    /* Disable heavy 3D on mobile */

    .portfolio-featured-image {
        border-radius: 20px;

        transform: none;

        box-shadow:
            0 25px 55px rgba(0,0,0,0.42),
            0 15px 40px rgba(91,72,255,0.14);
    }


    .portfolio-detail-left::before {
        width: 88%;

        left: 6%;

        top: 10%;

        transform:
            rotate(-3deg);

        border-radius: 22px;
    }


    .portfolio-detail-left::after {
        bottom: -20px;

        height: 30px;
    }


    .portfolio-detail-right {
        padding: 30px 24px;

        border-radius: 22px;

        transform: none;
    }


    .portfolio-detail-right::before {
        display: none;
    }


    .portfolio-detail-heading {
        margin-bottom: 24px;

        transform: none;
    }


    .portfolio-detail-label {
        margin-bottom: 16px;

        padding: 8px 12px;

        font-size: 10px;

        letter-spacing: 1.5px;
    }


    .portfolio-detail-title {
        font-size:
            clamp(34px, 11vw, 48px);

        line-height: 1.07;
    }


    .portfolio-single-content {
        transform: none;

        font-size: 16px;

        line-height: 1.75;
    }


    .portfolio-single-content h2 {
        font-size: 26px;
    }


    .portfolio-single-content h3 {
        font-size: 22px;
    }


    .portfolio-single-content h4 {
        font-size: 19px;
    }


    /* Navigation */

    .portfolio-navigation {
        padding:
            50px 0 70px;
    }


    .portfolio-nav-wrapper {
        flex-direction: column;

        gap: 18px;
    }


    .portfolio-nav-prev,
    .portfolio-nav-next {
        width: 100%;
    }


    .portfolio-nav-next {
        text-align: left;
    }


    .portfolio-nav-wrapper a {
        min-height: auto;

        padding: 22px;
    }
}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 480px) {

    .portfolio-detail-section {
        padding-top: 75px;
    }


    .portfolio-detail-section .container,
    .portfolio-navigation .container {
        width:
            calc(100% - 24px);
    }


    .portfolio-detail-layout {
        gap: 34px;
    }


    .portfolio-detail-right {
        padding:
            26px 20px;
    }


    .portfolio-detail-title {
        font-size: 34px;
    }


    .portfolio-single-content {
        font-size: 15px;
    }
}