/* ==================================================
   CORNERSTONE TECHDEV
   PORTFOLIO FOLDER
================================================== */

:root {

    --folder-color: #c88a3d;
    --folder-back-color: #a96f2d;

    --paper-1: #e6e0d7;
    --paper-2: #f1ece4;
    --paper-3: #ffffff;

    --gold: #c88a3d;
    --gold-light: #e0ad68;

    --cream: #f5f0e8;
    --muted: rgba(245, 240, 232, 0.62);

}


/* ==================================================
   PORTFOLIO OVERLAY

   The page remains visible underneath.
   The background is lightly darkened and blurred.
================================================== */

.portfolio-overlay {

    position: fixed;

    inset: 0;

    z-index: 99999;

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 30px;

    box-sizing: border-box;

    background:
        rgba(
            20,
            16,
            12,
            0.45
        );

    backdrop-filter:
        blur(14px);

    -webkit-backdrop-filter:
        blur(14px);

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    transition:
        opacity 0.35s ease,
        visibility 0.35s ease;

}


.portfolio-overlay.active {

    opacity: 1;

    visibility: visible;

    pointer-events: auto;

}


/* ==================================================
   TRANSPARENT POPUP CONTAINER
================================================== */

.portfolio-popup {

    position: relative;

    width: auto;

    min-height: auto;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    padding: 0;

    box-sizing: border-box;

    overflow: visible;

    background: transparent;

    border: none;

    box-shadow: none;

    transform:
        translateY(30px)
        scale(0.9);

    transition:
        transform 0.5s
        cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );

}


.portfolio-overlay.active
.portfolio-popup {

    transform:
        translateY(0)
        scale(1);

}


/* No decorative panel */

.portfolio-popup::before {

    display: none;

}


/* ==================================================
   CLOSE BUTTON
================================================== */

.portfolio-close {

    position: absolute;

    top: -72px;

    right: -92px;

    width: 42px;

    height: 42px;

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 0;

    background:
        rgba(
            25,
            20,
            16,
            0.78
        );

    border:
        1px solid
        rgba(
            200,
            138,
            61,
            0.5
        );

    color:
        var(--cream);

    font-family:
        inherit;

    font-size:
        26px;

    font-weight:
        300;

    line-height:
        1;

    cursor:
        pointer;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;

}


.portfolio-close:hover {

    background:
        var(--gold);

    color:
        #1d1813;

    border-color:
        var(--gold);

    transform:
        rotate(90deg);

}


/* ==================================================
   FOLDER CONTAINER
================================================== */

.folder-container {

    position: relative;

    width: 300px;

    height: 245px;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    margin: 0;

}


/* ==================================================
   FOLDER
================================================== */

.folder {

    position: relative;

    width: 100px;

    height: 80px;

    cursor: pointer;

    user-select: none;

    transform:
        scale(2.2);

    transition:
        transform 0.25s ease;

}


.folder:not(.folder--click):hover {

    transform:
        translateY(-8px)
        scale(2.2);

}


.folder.open {

    transform:
        translateY(-8px)
        scale(2.2);

}


/* ==================================================
   FOLDER BACK
================================================== */

.folder__back {

    position: relative;

    width: 100px;

    height: 80px;

    background:
        var(--folder-back-color);

    border-radius:
        0 10px 10px 10px;

    box-shadow:
        0 15px 30px
        rgba(
            0,
            0,
            0,
            0.25
        );

}


.folder__back::after {

    position: absolute;

    z-index: 0;

    bottom: 98%;

    left: 0;

    content: "";

    width: 30px;

    height: 10px;

    background:
        var(--folder-back-color);

    border-radius:
        5px 5px 0 0;

}


/* ==================================================
   PAPERS
================================================== */

.paper {

    position: absolute;

    z-index: 2;

    bottom: 10%;

    left: 50%;

    width: 70%;

    height: 80%;

    display: flex;

    align-items: center;

    justify-content: center;

    padding: 8px;

    box-sizing: border-box;

    background:
        var(--paper-1);

    border-radius:
        10px;

    transform:
        translate(
            -50%,
            10%
        );

    transition:
        transform 0.35s
        cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );

    box-shadow:
        0 5px 12px
        rgba(
            0,
            0,
            0,
            0.12
        );

}


.paper:nth-child(2) {

    width:
        80%;

    height:
        70%;

    background:
        var(--paper-2);

}


.paper:nth-child(3) {

    width:
        90%;

    height:
        60%;

    background:
        var(--paper-3);

}


/* ==================================================
   CLOSED HOVER
================================================== */

.folder:not(.folder--click):hover
.paper {

    transform:
        translate(
            -50%,
            0%
        );

}


/* ==================================================
   OPEN — PAPER 1
================================================== */

.folder.open
.paper:nth-child(1) {

    transform:
        translate(
            -120%,
            -70%
        )
        rotateZ(-15deg);

}


.folder.open
.paper:nth-child(1):hover {

    transform:
        translate(
            -120%,
            -70%
        )
        rotateZ(-15deg)
        scale(1.1);

}


/* ==================================================
   OPEN — PAPER 2
================================================== */

.folder.open
.paper:nth-child(2) {

    transform:
        translate(
            10%,
            -70%
        )
        rotateZ(15deg);

    height:
        80%;

}


.folder.open
.paper:nth-child(2):hover {

    transform:
        translate(
            10%,
            -70%
        )
        rotateZ(15deg)
        scale(1.1);

}


/* ==================================================
   OPEN — PAPER 3
================================================== */

.folder.open
.paper:nth-child(3) {

    transform:
        translate(
            -50%,
            -100%
        )
        rotateZ(5deg);

    height:
        80%;

}


.folder.open
.paper:nth-child(3):hover {

    transform:
        translate(
            -50%,
            -100%
        )
        rotateZ(5deg)
        scale(1.1);

}


/* ==================================================
   FOLDER FRONT
================================================== */

.folder__front {

    position: absolute;

    z-index: 3;

    width: 100%;

    height: 100%;

    background:
        var(--folder-color);

    border-radius:
        5px 10px 10px 10px;

    transform-origin:
        bottom;

    transition:
        transform 0.3s
        cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );

    box-shadow:
        inset 0 1px 0
        rgba(
            255,
            255,
            255,
            0.12
        );

}


/* ==================================================
   FRONT HOVER
================================================== */

.folder:not(.folder--click):hover
.folder__front {

    transform:
        skew(15deg)
        scaleY(0.6);

}


.folder:not(.folder--click):hover
.right {

    transform:
        skew(-15deg)
        scaleY(0.6);

}


/* ==================================================
   OPEN — FRONT
================================================== */

.folder.open
.folder__front {

    transform:
        skew(15deg)
        scaleY(0.6);

}


.folder.open
.right {

    transform:
        skew(-15deg)
        scaleY(0.6);

}


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

.paper-content {

    width:
        100%;

    height:
        100%;

    display:
        flex;

    flex-direction:
        column;

    align-items:
        flex-start;

    justify-content:
        center;

    gap:
        4px;

    padding:
        7px;

    box-sizing:
        border-box;

    color:
        #30261c;

    font-family:
        inherit;

}


.paper-content span {

    color:
        #a66f2b;

    font-size:
        0.55rem;

    font-weight:
        700;

    letter-spacing:
        0.1em;

}


.paper-content strong {

    font-size:
        0.65rem;

    line-height:
        1.1;

}


.paper-content small {

    color:
        #74685c;

    font-size:
        0.5rem;

}


/* ==================================================
   CLICK ME
================================================== */

.folder-hint {

    display:
        block;

    margin:
        58px 0 0;

    color:
        var(--gold-light);

    font-size:
        0.72rem;

    font-weight:
        700;

    line-height:
        1;

    letter-spacing:
        0.25em;

    text-transform:
        uppercase;

    opacity:
        0.82;

    pointer-events:
        none;

    transition:
        opacity 0.25s ease,
        transform 0.25s ease;

}


.folder-container:hover
.folder-hint {

    opacity:
        1;

    transform:
        translateY(-3px);

}


/* ==================================================
   ACCESSIBILITY
================================================== */

.folder:focus-visible {

    outline:
        2px solid
        var(--gold-light);

    outline-offset:
        6px;

    border-radius:
        10px;

}


/* ==================================================
   STOP PAGE SCROLL WHILE OPEN
================================================== */

body.portfolio-open {

    overflow:
        hidden;

}


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

@media (max-width: 700px) {

    .portfolio-overlay {

        padding:
            15px;

    }


    .portfolio-popup {

        width:
            auto;

        min-height:
            auto;

        padding:
            0;

    }


    .folder-container {

        width:
            260px;

        height:
            230px;

    }


    .folder {

        transform:
            scale(1.8);

    }


    .folder:not(.folder--click):hover {

        transform:
            translateY(-8px)
            scale(1.8);

    }


    .folder.open {

        transform:
            translateY(-8px)
            scale(1.8);

    }


    .folder-hint {

        margin-top:
            48px;

        font-size:
            0.65rem;

        letter-spacing:
            0.2em;

    }


    .portfolio-close {

        top:
            -60px;

        right:
            -45px;

        width:
            38px;

        height:
            38px;

        font-size:
            23px;

    }

}


/* ==================================================
   REDUCED MOTION
================================================== */

@media (
    prefers-reduced-motion: reduce
) {

    .portfolio-overlay,
    .portfolio-popup,
    .folder,
    .paper,
    .folder__front,
    .portfolio-close,
    .folder-hint {

        transition:
            none !important;

    }

}
/* =========================================================
   MOBILE MENU CT LOGO
   Hidden normally — appears underneath the menu.
========================================================= */

.mobile-menu-logo {

    position: fixed;

    top: 52vh;

    left: 50%;

    width: 150px;
    height: 150px;

    display: flex;

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

    transform:
        translate(-50%, -50%)
        scale(0.85);

    z-index: 1002;

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    filter: none;

    transition:
        opacity 0.35s ease,
        visibility 0.35s ease,
        transform 0.45s
        cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );

}


/* Keep the Three.js canvas contained */

.mobile-menu-logo canvas {

    display: block;

    width: 150px !important;
    height: 150px !important;

}


/* =========================================================
   SHOW ONLY WHEN HAMBURGER MENU IS OPEN
========================================================= */

@media (max-width: 768px) {

    body:has(.nav-links.active)
    .mobile-menu-logo {

        opacity: 1;

        visibility: visible;

        transform:
            translate(-50%, -50%)
            scale(1);

    }


    /* Keep the mobile logo sharp */

    body:has(.nav-links.active)
    .mobile-menu-logo,
    body:has(.nav-links.active)
    .mobile-menu-logo canvas {

        filter: none;

    }


    /* Dropdown stays above the logo */

    body:has(.nav-links.active)
    .nav-links {

        z-index: 1004;

    }


    /* Hamburger stays above everything */

    body:has(.nav-links.active)
    .menu-toggle {

        z-index: 1005;

    }

}


/* =========================================================
   SMALL PHONES
========================================================= */

@media (max-width: 480px) {

    .mobile-menu-logo {

        width: 125px;
        height: 125px;

        top: 53vh;

    }


    .mobile-menu-logo canvas {

        width: 125px !important;
        height: 125px !important;

    }

}

/* ==================================================
   PROJECT 03 — BARC HOUSE
   Website preview card
================================================== */

.paper-3 {
    cursor: pointer;
    overflow: hidden;
    padding: 0;
    background: #17130f;
}

.paper-3:hover {
    box-shadow:
        0 12px 28px
        rgba(0, 0, 0, 0.22);
}

.paper-3:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 4px;
}

.paper-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #17130f;
    color: #f7f1e7;
    overflow: hidden;
}

.preview-window {
    position: relative;
    width: 100%;
    height: 56%;
    flex: 0 0 56%;
    overflow: hidden;
    background: #0d1718;
}

.preview-bar {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    display: flex;
    align-items: center;
    gap: 3px;
    padding-left: 6px;
    box-sizing: border-box;
    background: rgba(10, 10, 10, 0.72);
}

.preview-bar span {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.75);
}

.preview-window img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.preview-info {
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    padding: 6px 8px 7px;
    box-sizing: border-box;
    background: #17130f;
}

.preview-info span {
    color: #d39a4c;
    font-size: 0.45rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.preview-info strong {
    color: #fffaf2;
    font-size: 0.72rem;
    line-height: 1.05;
}

.preview-info small {
    color: #c9bcae;
    font-size: 0.43rem;
    line-height: 1.1;
}

.preview-info b {
    margin-top: 3px;
    color: #d39a4c;
    font-size: 0.38rem;
    letter-spacing: 0.08em;
    font-weight: 700;
}

/* Keep the preview readable on the small mobile folder. */
@media (max-width: 700px) {

    .preview-info {
        padding: 5px 7px 6px;
    }

    .preview-info strong {
        font-size: 0.66rem;
    }

    .preview-info small {
        font-size: 0.4rem;
    }

    .preview-info b {
        font-size: 0.34rem;
    }
}