/* ============================================================
   PORTFOLIO SECTION — Mobile-First Responsive CSS
   Breakpoints:
     Mobile      : 0 → 480px
     Small Tab   : 481px → 600px
     Medium Tab  : 601px → 768px
     Large Tab   : 769px → 1024px
     Small Desk  : 1025px → 1280px
     Medium Desk : 1281px → 1440px
     Large Desk  : 1441px → 1920px
     XL Screens  : 1921px+
============================================================ */


/* =============================== */
/* Section                         */
/* =============================== */

.portfolio-section {
    position: relative;
    overflow: visible;
}

.portfolio-container {
    margin: 0 auto;
    padding: 0 clamp(1em, 6vw, 2em);
}

.portfolio-top {
    --header-h: clamp(3.3rem, 13vw, 4rem);

    position: sticky;
    top: var(--header-h);
    z-index: 998;

    padding: clamp(0.8rem, 2.5vw, 1.3rem) 0 clamp(0.5rem, 1.5vw, 0.9rem);

    background: #fff;
    box-shadow: 0 clamp(0.2em, 0.8vw, 0.4em)
                clamp(0.5em, 1.5vw, 0.8em)
                rgba(2, 6, 23, 0.15);
}


/* =============================== */
/* Title                           */
/* =============================== */

.portfolio-title {
    display: block;
    font-size: clamp(1.2rem, 5vw, 1.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: clamp(0.7rem, 2.5vw, 1.2rem);
    position: relative;
}



.portfolio-tabs-row {
    display: flex;
    align-items: center;
    gap: 0.1rem;
}


/* =============================== */

/* =============================== */

.portfolio-tab-arrow {
    flex-shrink: 0;
    width: clamp(1.8rem, 6vw, 2.4rem);
    height: clamp(1.8rem, 6vw, 2.4rem);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.7rem, 2vw, 0.9rem);
    transition: all 0.3s;
    z-index: 2;
    box-shadow: 0 clamp(0.15em, 0.5vw, 0.25em)
                clamp(0.4em, 1.5vw, 0.8em)
                rgba(0, 0, 0, 0.15);
}


/* =============================== */
/* Tabs Wrapper — border + fade    */
/* =============================== */

.portfolio-tabs-wrapper {
    flex: 1;
    position: relative;
    border-radius: clamp(1rem, 3vw, 1.5rem);
    overflow: hidden;
}



.portfolio-tabs-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 10px;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(to left, rgba(82, 80, 80, 0.35) 0%, transparent 100%);
}


.portfolio-tabs-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 10px;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(to right, rgba(82, 80, 80, 0.35) 0%, transparent 100%);
}
/* =============================== */
/* Tabs Viewport                   */
/* =============================== */

.portfolio-tabs-viewport {
    overflow: hidden;
    padding: clamp(0.3rem, 1vw, 0.5rem) clamp(0.4rem, 1.2vw, 0.6rem);
}


/* =============================== */
/* Tabs Track                      */
/* =============================== */

.portfolio-tabs-track {
    display: flex;
    gap: clamp(0.4rem, 1.5vw, 0.7rem);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.portfolio-tabs-track.no-anim { transition: none; }
.portfolio-tabs-track.grabbing { cursor: grabbing; }


/* =============================== */
/* Tab Button                      */
/* =============================== */

.portfolio-tab {
    flex-shrink: 0;
    padding: clamp(0.35em, 1.2vw, 0.55em) clamp(0.8em, 2.5vw, 1.4em);
    border-radius: clamp(1rem, 3vw, 1.5rem);
    border-width: clamp(0.1rem, 0.25vw, 0.15rem);
    border-style: solid;
    font-family: 'Cairo', sans-serif;
    font-size: clamp(0.78rem, 2.5vw, 0.95rem);
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    background: transparent;
}


/* =============================== */
/* Bottom                          */
/* =============================== */

.portfolio-bottom {
    padding: clamp(1.2rem, 4vw, 2.5rem) 0;
}


/* =============================== */
/* Panels                          */
/* =============================== */

.portfolio-panel {
    display: none;
}

.portfolio-panel.active {
    display: block;
    animation: portfolioFadeIn 0.4s ease;
}

@keyframes portfolioFadeIn {
    from { opacity: 0; transform: translateY(clamp(0.5rem, 1.5vw, 0.8rem)); }
    to   { opacity: 1; transform: translateY(0); }
}


/* =============================== */
/* Cards Grid                      */
/* =============================== */

.portfolio-cards-grid {
    display: flex;
    flex-direction: column;
    gap: clamp(1.2rem, 4vw, 2rem);
}


/* =============================== */
/* Card                            */
/* =============================== */

.portfolio-card {
    border-radius: clamp(0.8rem, 3vw, 1.5rem);
    overflow: hidden;
    box-shadow:
        0 clamp(0.3em, 1vw, 0.5em) clamp(0.8em, 2.5vw, 1.5em) rgba(0,0,0,0.1),
        0 clamp(0.1em, 0.3vw, 0.15em) clamp(0.3em, 0.8vw, 0.5em) rgba(0,0,0,0.06);
    text-align: center;
    padding: clamp(0.3rem, 0.3vw, 0.3rem);
}

.portfolio-card:hover {
    box-shadow:
        0 clamp(0.6em, 2vw, 1em) clamp(1.5em, 4vw, 2.5rem) rgba(0,0,0,0.14),
        0 clamp(0.2em, 0.6vw, 0.3em) clamp(0.5em, 1.5vw, 0.8em) rgba(0,0,0,0.08);
}


/* =============================== */
/* Card Images                     */
/* =============================== */

.portfolio-card__images {
    display: flex;
    gap: clamp(0.4rem, 1.5vw, 0.8rem);
    margin-bottom: clamp(0.7rem, 2.5vw, 1.1rem);
    padding: clamp(0.5rem, 1.5vw, 0.8rem);
    background: #f5f5f5;
    border-radius: clamp(0.6rem, 2vw, 1.2rem) clamp(0.6rem, 2vw, 1.2rem) 0 0;
}

.portfolio-card__img--small {
    flex: 1;
    border-radius: clamp(0.5rem, 1.8vw, 1rem);
    overflow: hidden;
    aspect-ratio: 9 / 16;
}

.portfolio-card__img--large {
    flex: 2;
    border-radius: clamp(0.5rem, 1.8vw, 1rem);
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.portfolio-card__img--small img,
.portfolio-card__img--large img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: inherit;
    pointer-events: none;
}


/* =============================== */
/* Card Text                       */
/* =============================== */

.portfolio-card__label {
    font-size: clamp(0.9rem, 3.5vw, 1.1rem);
    font-weight: 700;
    margin-bottom: clamp(0.25em, 0.8vw, 0.4em);
}

.portfolio-card__label span {
    font-weight: 800;
}

.portfolio-card__desc {
    font-size: clamp(0.78rem, 2.8vw, 0.92rem);
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: clamp(0.7rem, 2.5vw, 1rem);
}

.portfolio-card__btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: clamp(0.3em, 1vw, 0.5em);
    padding: clamp(0.4em, 1.5vw, 0.6em) clamp(0.9em, 3vw, 1.4em);
    border-radius: clamp(0.8rem, 2.5vw, 1.3rem);
    font-size: clamp(0.78rem, 2.5vw, 0.9rem);
    font-weight: 600;
    text-decoration: none;
    border-width: clamp(0.1rem, 0.25vw, 0.15rem);
    border-style: solid;
}

.portfolio-card__btn i {
    font-size: clamp(0.65rem, 1.8vw, 0.78rem);
}


/* =============================== */
/* Controls (load more / show less)*/
/* =============================== */

.portfolio-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: clamp(0.9rem, 0.8vw, 0.5rem);
}

.portfolio-btn {
    background-color: var(--helperColor);
    color: var(--white);
    box-shadow: 0 clamp(0.2em, 0.8vw, 0.4em)
                clamp(0.5em, 1.5vw, 0.8em)
                rgba(2, 117, 216, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.5em, 1.8vw, 0.75em) clamp(1em, 3.5vw, 1.8em);
    border-radius: clamp(1rem, 3vw, 1.5rem);
    border: solid clamp(0.1rem, 0.1vw, 0.1rem) transparent;
    font-weight: bold;
    font-size: clamp(0.85rem, 3vw, 1rem);
    cursor: pointer;
}

.portfolio-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 18px rgba(2, 117, 216, 0.4);
}

.portfolio-btn.show-less {
    background-color: transparent;
    color: var(--helperColor);
    border-color: var(--helperColor);
    box-shadow: none;
}

.portfolio-btn.show-less:hover {
    background-color: var(--helperColor);
    color: var(--white);
}


/* =============================== */
/* Responsive                      */
/* =============================== */

@media (min-width: 481px) {
    .portfolio-cards-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(1rem, 3vw, 1.6rem);
    }
    .portfolio-title {
        font-size: clamp(1.3rem, 4vw, 1.9rem);
    }
}

@media (min-width: 601px) {
    .portfolio-top {
        --header-h-local: clamp(4rem, 12vw, 5rem);
        top: var(--header-h-local);
    }
    .portfolio-title {
        font-size: clamp(1.4rem, 3.5vw, 2rem);
    }
    .portfolio-tab {
        font-size: clamp(0.82rem, 2vw, 1rem);
    }
}

@media (min-width: 769px) {
    .portfolio-top {
        top: clamp(4.5rem, 10vw, 5rem);
    }
    .portfolio-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(1.2rem, 2.5vw, 2rem);
    }
    .portfolio-card__label {
        font-size: clamp(0.95rem, 2vw, 1.15rem);
    }
}

@media (min-width: 1025px) {
    .portfolio-top {
        top: clamp(4.5rem, 9vw, 5rem);
    }
    .portfolio-cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: clamp(1.3rem, 2vw, 2rem);
    }
    .portfolio-title {
        font-size: clamp(1.6rem, 2.2vw, 2.1rem);
    }
    .portfolio-tab {
        font-size: clamp(0.85rem, 1.1vw, 1rem);
        padding: clamp(0.4em, 0.9vw, 0.6em) clamp(1em, 1.8vw, 1.5em);
    }
    .portfolio-tab-arrow {
        width: clamp(2rem, 3vw, 2.6rem);
        height: clamp(2rem, 3vw, 2.6rem);
    }
}

@media (min-width: 1281px) {
    .portfolio-title {
        font-size: clamp(1.7rem, 2vw, 2.2rem);
    }
    .portfolio-card__label {
        font-size: clamp(1rem, 1.2vw, 1.2rem);
    }
    .portfolio-card__desc {
        font-size: clamp(0.82rem, 1vw, 0.95rem);
    }
}

@media (min-width: 1441px) {
    .portfolio-title {
        font-size: clamp(1.8rem, 1.8vw, 2.4rem);
    }
}

@media (min-width: 1921px) {
    .portfolio-title {
        font-size: clamp(2rem, 1.6vw, 2.8rem);
    }
    .portfolio-cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}


/* ============================================================
   COLOR THEMES
============================================================ */

/* =============================== */
/* .white-portfolio                */
/* =============================== */

.white-portfolio {
    background-color: var(--white);
    color: var(--helperColor);
}

.white-portfolio .portfolio-top {
    background-color: var(--white);
    box-shadow: 0 clamp(0.15em, 0.5vw, 0.3em) clamp(0.5em, 1.5vw, 0.8em) rgba(0,0,0,0.08);
}

.white-portfolio .portfolio-title {
    color: var(--lightHelper);
}

.white-portfolio .portfolio-title::after {
    background-color: var(--lightHelper);
}

/* wrapper border */
.white-portfolio .portfolio-tabs-wrapper {
    border: 0.08em solid var(--lightHelper);
}


.white-portfolio .portfolio-tabs-wrapper::before {
    background: linear-gradient(to left, rgba(82, 80, 80, 0.3) 10%, transparent 100%);
}

.white-portfolio .portfolio-tabs-wrapper::after {
    background: linear-gradient(to right, rgba(82, 80, 80, 0.3) 10%, transparent 100%);
}
/* tabs */
.white-portfolio .portfolio-tab {
    color: var(--lightHelper);
    border-color: var(--lightHelper);
    background: var(--white);
}

.white-portfolio .portfolio-tab:hover {
    background-color: var(--lightHelper);
    color: var(--white);
}

.white-portfolio .portfolio-tab.active {
    background-color: var(--lightHelper);
    color: var(--white);
    border-color: var(--lightHelper);
}

/* arrows */
.white-portfolio .portfolio-tab-arrow {
    background: var(--lightHelper);
    color: var(--white);
    border: none;
}

.white-portfolio .portfolio-tab-arrow:hover {
    background: var(--helperColor);
    color: var(--white);
}

/* cards */
.white-portfolio .portfolio-card {
    background: var(--white);
    border: 0.06em solid var(--lightHelper);
}

.white-portfolio .portfolio-card__label {
    color: var(--helperColor);
    text-align: center;
}

.white-portfolio .portfolio-card__label span {
    color: var(--lightHelper);
}

.white-portfolio .portfolio-card__desc {
    color: var(--helperColor);
    text-align: center;
}

.white-portfolio .portfolio-card__btn {
    color: var(--white);
    background-color: var(--lightHelper);
    border-color: var(--lightHelper);
}

.white-portfolio .portfolio-card__btn:hover {
    background-color: var(--helperColor);
    border-color: var(--helperColor);
}

.white-portfolio .portfolio-card__images {
    background-color: var(--lightHelper);
}


/* =============================== */
/* .blue-portfolio                 */
/* =============================== */

.blue-portfolio {
    background-color: var(--lightHelper);
    color: var(--white);
}

.blue-portfolio .portfolio-top {
    background-color: var(--lightHelper);
    border-bottom: 0.06em solid rgba(255,255,255,0.25);
    box-shadow: 0 clamp(0.15em, 0.5vw, 0.3em) clamp(0.5em, 1.5vw, 0.8em) rgba(0,0,0,0.15);
}

.blue-portfolio .portfolio-title {
    color: var(--white);
}

.blue-portfolio .portfolio-title::after {
    background-color: var(--white);
}

/* wrapper border */
.blue-portfolio .portfolio-tabs-wrapper {
    border: 0.08em solid rgba(255,255,255,0.5);
}


.blue-portfolio .portfolio-tabs-wrapper::before {
    background: linear-gradient(to left, var(--lightHelper) 20%, transparent);
}
.blue-portfolio .portfolio-tabs-wrapper::after {
    background: linear-gradient(to right, var(--lightHelper) 20%, transparent);
}

/* tabs */
.blue-portfolio .portfolio-tab {
    color: var(--white);
    border-color: var(--white);
    background: transparent;
}

.blue-portfolio .portfolio-tab:hover {
    background-color: var(--white);
    color: var(--lightHelper);
}

.blue-portfolio .portfolio-tab.active {
    background-color: var(--white);
    color: var(--lightHelper);
    border-color: var(--white);
}

/* arrows */
.blue-portfolio .portfolio-tab-arrow {
    background: transparent;
    color: var(--white);
    border: 0.1em solid var(--white);
}

.blue-portfolio .portfolio-tab-arrow:hover {
    background: var(--white);
    color: var(--lightHelper);
}

/* cards */
.blue-portfolio .portfolio-card {
    background: rgba(255,255,255,0.1);
    border: 0.06em solid rgba(255,255,255,0.3);
}

.blue-portfolio .portfolio-card__label {
    color: var(--white);
}

.blue-portfolio .portfolio-card__label span {
    color: rgba(255,255,255,0.85);
}

.blue-portfolio .portfolio-card__desc {
    color: rgba(255,255,255,0.8);
}

.blue-portfolio .portfolio-card__btn {
    color: var(--lightHelper);
    background-color: var(--white);
    border-color: var(--white);
}

.blue-portfolio .portfolio-card__btn:hover {
    background-color: var(--helperColor);
    color: var(--white);
    border-color: var(--helperColor);
}