.portfolio-page {
        --pf-primary: var(--color-primary, rgb(39, 44, 73));
        --pf-secondary: var(--color-secondary, #ff0);

        --pf-bg-dark: #090b16;
        --pf-bg-mid: rgb(18, 21, 39);
        --pf-card: rgba(39, 44, 73, .55);
        --pf-card-soft: rgba(255, 255, 255, .06);

        --pf-yellow-02: rgba(255, 255, 0, .02);
        --pf-yellow-04: rgba(255, 255, 0, .04);
        --pf-yellow-06: rgba(255, 255, 0, .06);
        --pf-yellow-08: rgba(255, 255, 0, .08);
        --pf-yellow-12: rgba(255, 255, 0, .12);
        --pf-yellow-18: rgba(255, 255, 0, .18);
        --pf-yellow-25: rgba(255, 255, 0, .25);
        --pf-yellow-35: rgba(255, 255, 0, .35);

        direction: rtl;
        background:
            radial-gradient(circle at top right, var(--pf-yellow-04) 0%, transparent 30%),
            radial-gradient(circle at bottom left, rgba(39, 44, 73, .55) 0%, transparent 35%),
            linear-gradient(180deg, var(--pf-bg-mid) 0%, var(--pf-bg-dark) 100%);
        color: var(--text-color);
        overflow: hidden;
    }

    .portfolio-page * {
        box-sizing: border-box;
    }

    .portfolio-page .container {
        width: min(1200px, calc(100% - 30px));
        margin: 0 auto;
    }

    /* ================= Hero ================= */

    .portfolio-hero {
        position: relative;
        padding: 42px 0;
        background:
            linear-gradient(135deg, rgba(39, 44, 73, .96) 0%, #080a14 100%),
            radial-gradient(circle at 70% 45%, var(--pf-yellow-06) 0%, transparent 65%);
        border-bottom: 1px solid var(--pf-yellow-18);
        overflow: hidden;
    }

    .portfolio-hero::before {
        content: '';
        position: absolute;
        inset: 18px;
        border: 1px solid var(--pf-yellow-12);
        border-radius: 28px;
        pointer-events: none;
    }

    .portfolio-hero::after {
        content: '';
        position: absolute;
        width: 280px;
        height: 280px;
        left: -90px;
        top: 50%;
        transform: translateY(-50%);
        background: radial-gradient(circle, var(--pf-yellow-08) 0%, transparent 70%);
        filter: blur(8px);
        pointer-events: none;
    }

    .portfolio-hero-inner {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: minmax(0, 1.55fr) minmax(260px, .75fr);
        gap: 24px;
        align-items: stretch;
    }

    .portfolio-hero-content {
        min-height: 315px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        text-align: right;
        background: rgba(9, 11, 22, .55);
        border-radius: 18px;
        box-shadow: 0 4px 30px rgba(0, 0, 0, .25);
        backdrop-filter: blur(9px);
        -webkit-backdrop-filter: blur(9px);
        border: 1px solid var(--pf-yellow-18);
        padding: 24px 28px;
        overflow: hidden;
    }

    .portfolio-subtitle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: fit-content;
        color: #fff;
        background: rgba(39, 44, 73, .85);
        padding: 5px 18px;
        border-radius: 10px;
        border: 1px solid var(--pf-yellow-25);
        box-shadow: 0 0 18px var(--pf-yellow-04);
        font-size: 14px;
        margin-bottom: 12px;
    }

    .portfolio-hero h1 {
        color: #fff;
        font-size: clamp(24px, 3vw, 38px);
        font-weight: 700;
        margin: 5px 0 14px;
        line-height: 1.6;
    }

    .portfolio-seo-content {
        color: #f1f1f1;
        text-align: justify;
        line-height: 2;
        font-size: 15px;
        max-height: 170px;
        overflow-y: auto;
        padding-left: 8px;
    }

    .portfolio-seo-content::-webkit-scrollbar {
        width: 5px;
    }

    .portfolio-seo-content::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, .10);
        border-radius: 10px;
    }

    .portfolio-seo-content::-webkit-scrollbar-thumb {
        background: var(--pf-yellow-35);
        border-radius: 10px;
    }

    .portfolio-seo-content p {
        margin: 0 0 10px;
    }

    .portfolio-seo-content h2,
    .portfolio-seo-content h3 {
        color: #fff;
        font-size: 20px;
        margin: 18px 0 8px;
        border-right: 3px solid var(--pf-yellow-25);
        padding-right: 10px;
    }

    .portfolio-hero-image {
        position: relative;
        min-height: 315px;
        border-radius: 18px;
        overflow: hidden;
        border: 1px solid var(--pf-yellow-18);
        background:
            radial-gradient(circle at center, var(--pf-yellow-04) 0%, transparent 60%),
            rgba(39, 44, 73, .45);
        box-shadow: 0 4px 30px rgba(0, 0, 0, .18);
        backdrop-filter: blur(11.8px);
        -webkit-backdrop-filter: blur(11.8px);
    }

    .portfolio-hero-image::before {
        content: '';
        position: absolute;
        inset: 10px;
        border: 1px solid rgba(255, 255, 255, .20);
        border-radius: 14px;
        z-index: 2;
        pointer-events: none;
    }

    .portfolio-hero-image::after {
        content: '';
        position: absolute;
        inset: 0;
        background:
            linear-gradient(180deg, transparent 42%, rgba(0, 0, 0, .70)),
            radial-gradient(circle at top left, var(--pf-yellow-06), transparent 38%);
        z-index: 1;
        pointer-events: none;
    }

    .portfolio-hero-image img {
        width: 100%;
        height: 100%;
        min-height: 315px;
        object-fit: cover;
        display: block;
        transition: 0.4s ease;
    }

    .portfolio-hero-image:hover img {
        transform: scale(1.04);
    }

    .portfolio-hero-image-placeholder {
        width: 100%;
        height: 100%;
        min-height: 315px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 25px;
        text-align: center;
        color: #fff;
        background:
            radial-gradient(circle at center, var(--pf-yellow-06), transparent 65%),
            linear-gradient(145deg, rgba(39, 44, 73, .75), rgba(255, 255, 255, .04));
    }

    .portfolio-hero-badge {
        position: absolute;
        right: 18px;
        bottom: 18px;
        z-index: 3;
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fff;
        background: rgba(9, 11, 22, .62);
        border: 1px solid var(--pf-yellow-25);
        border-radius: 14px;
        padding: 8px 13px;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    .portfolio-hero-badge strong {
        color: #fff;
        font-size: 20px;
    }

    /* ================= Filter ================= */

    .portfolio-filter-section {
        position: relative;
        padding: 32px 0;
        background:
            radial-gradient(circle at right, var(--pf-yellow-04) 0%, transparent 32%),
            linear-gradient(180deg, rgba(39, 44, 73, .92), rgba(9, 11, 22, .96));
        box-shadow: 0 4px 30px rgba(0, 0, 0, .1);
        backdrop-filter: blur(11.8px);
        -webkit-backdrop-filter: blur(11.8px);
        border-bottom: 1px solid var(--pf-yellow-18);
    }

    .portfolio-filter-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        margin-bottom: 24px;
    }

    .portfolio-filter-head h2 {
        color: #fff;
        font-size: 24px;
        margin: 0;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--pf-yellow-25);
    }

    .portfolio-count {
        color: #fff;
        background: rgba(255, 255, 255, .08);
        border: 1px solid var(--pf-yellow-18);
        border-radius: 14px;
        padding: 10px 18px;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        white-space: nowrap;
    }

    .portfolio-service-filters {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        flex-wrap: wrap;
    }

    .portfolio-filter-btn {
        color: #fff;
        background: rgba(255, 255, 255, .07);
        border: 1px solid var(--pf-yellow-18);
        border-radius: 12px;
        padding: 9px 18px;
        cursor: pointer;
        transition: 0.3s ease;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        font-weight: 500;
    }

    .portfolio-filter-btn:hover,
    .portfolio-filter-btn.active {
        background: rgba(39, 44, 73, .95);
        border-color: var(--pf-yellow-35);
        box-shadow: 0 0 0 1px var(--pf-yellow-08), 0 8px 20px rgba(0, 0, 0, .18);
        transform: translateY(-2px);
    }

    .portfolio-filter-btn small {
        display: inline-flex;
        margin-right: 6px;
        opacity: .85;
        color: rgba(255, 255, 255, .75);
    }

    /* ================= Portfolio List ================= */

    .portfolio-list-section {
        position: relative;
        padding: 55px 0 90px;
        background:
            radial-gradient(circle at top left, var(--pf-yellow-03) 0%, transparent 32%),
            linear-gradient(180deg, #101326 0%, #070914 100%);
    }

    .portfolio-list-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
            linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
        background-size: 42px 42px;
        opacity: .35;
        pointer-events: none;
    }

    .portfolio-groups {
        position: relative;
        z-index: 2;
    }

    .portfolio-service-group {
        position: relative;
        margin-bottom: 58px;
        padding: 22px;
        border: 1px solid var(--pf-yellow-12);
        border-radius: 24px;
        background:
            linear-gradient(145deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .03)),
            rgba(39, 44, 73, .45);
        box-shadow: 0 4px 30px rgba(0, 0, 0, .18);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        transition: 0.3s ease;
        overflow: hidden;
    }

    .portfolio-service-group::before {
        content: '';
        position: absolute;
        width: 220px;
        height: 220px;
        left: -90px;
        top: -90px;
        background: radial-gradient(circle, var(--pf-yellow-04) 0%, transparent 70%);
        pointer-events: none;
    }

    .portfolio-service-group.is-hidden {
        display: none;
    }

    .portfolio-service-header {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: end;
        justify-content: space-between;
        gap: 20px;
        margin-bottom: 22px;
        padding: 0 0 18px;
        border-bottom: 1px solid var(--pf-yellow-12);
    }

    .portfolio-service-header h2 {
        color: #fff;
        font-size: 24px;
        margin: 0;
        line-height: 1.7;
    }

    .portfolio-service-header p {
        color: #d8d8d8;
        font-size: 14px;
        margin: 6px 0 0;
    }

    .portfolio-service-link {
        white-space: nowrap;
        border: 1px solid var(--pf-yellow-18);
        background: rgba(255, 255, 255, .08);
    }

    .portfolio-service-link:hover {
        background: rgba(39, 44, 73, .95);
        border-color: var(--pf-yellow-35);
    }

    .portfolio-grid {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .portfolio-card {
        position: relative;
        padding: 10px;
        border-radius: 20px;
        background:
            linear-gradient(145deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .04)),
            rgba(39, 44, 73, .72);
        border: 1px solid var(--pf-yellow-12);
        box-shadow: 0 4px 30px rgba(0, 0, 0, .18);
        backdrop-filter: blur(11.8px);
        -webkit-backdrop-filter: blur(11.8px);
        transition: 0.3s ease;
        overflow: hidden;
        cursor: pointer;
    }

    .portfolio-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background:
            radial-gradient(circle at top right, var(--pf-yellow-04), transparent 32%),
            radial-gradient(circle at bottom left, rgba(255, 255, 255, .08), transparent 35%);
        opacity: 0;
        transition: 0.3s ease;
        pointer-events: none;
    }

    .portfolio-card:hover {
        transform: translateY(-6px);
        border-color: var(--pf-yellow-25);
        box-shadow: 0 10px 32px rgba(0, 0, 0, .28);
    }

    .portfolio-card:hover::before {
        opacity: 1;
    }

    .portfolio-card .portfolio-holder {
        position: relative;
        z-index: 2;
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .portfolio-card .portfolio-holder::before {
        content: '';
        position: absolute;
        top: 12px;
        bottom: 12px;
        right: 50%;
        width: 1px;
        background: linear-gradient(180deg, transparent, var(--pf-yellow-18), transparent);
        z-index: 4;
        pointer-events: none;
    }

    .portfolio-card .portfolio-before,
    .portfolio-card .portfolio-after {
        position: relative;
        overflow: hidden;
        border-radius: 14px;
        background: #000;
        border: 1px solid rgba(255, 255, 255, .22);
    }

    .portfolio-card .portfolio-before img,
    .portfolio-card .portfolio-after img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        display: block;
        border-radius: 14px !important;
        transition: 0.4s ease;
    }

    .portfolio-card:hover img {
        transform: scale(1.04);
    }

    .portfolio-card .portfolio-holder .btn-primary {
        position: absolute;
        left: 12px;
        bottom: 12px;
        z-index: 5;
        font-size: 13px;
        padding: 4px 14px;
    }

    .portfolio-card-caption {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        color: #fff;
        margin-top: 10px;
        padding: 10px 6px 2px;
        font-size: 14px;
    }

    .portfolio-card-caption span {
        color: #d6d6d6;
    }

    .portfolio-card-caption strong {
        color: #fff;
        font-weight: 600;
    }

    .portfolio-card::after {
        content: 'مشاهده بزرگ';
        position: absolute;
        right: 16px;
        top: 16px;
        z-index: 6;
        color: #fff;
        font-size: 13px;
        padding: 5px 12px;
        border-radius: 10px;
        border: 1px solid var(--pf-yellow-25);
        background: rgba(39, 44, 73, .92);
        opacity: 0;
        transform: translateY(-8px);
        transition: .3s ease;
    }

    .portfolio-card:hover::after {
        opacity: 1;
        transform: translateY(0);
    }

    /* ================= Empty ================= */

    .portfolio-empty {
        padding: 70px 0;
        text-align: center;
        background: #080914;
    }

    .portfolio-empty p {
        display: inline-block;
        color: #fff;
        background: rgba(39, 44, 73, .55);
        border: 1px solid var(--pf-yellow-18);
        border-radius: 16px;
        padding: 20px 30px;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    /* ================= Lightbox ================= */

    .portfolio-lightbox {
        position: fixed;
        inset: 0;
        z-index: 9999;
        display: none;
        align-items: center;
        justify-content: center;
        padding: 22px;
        background: rgba(0, 0, 0, .72);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .portfolio-lightbox.is-active {
        display: flex;
    }

    .portfolio-lightbox-box {
        position: relative;
        width: min(1100px, 100%);
        max-height: calc(100vh - 44px);
        overflow: hidden;
        border-radius: 24px;
        border: 1px solid var(--pf-yellow-25);
        background:
            radial-gradient(circle at top right, var(--pf-yellow-04) 0%, transparent 34%),
            linear-gradient(145deg, rgba(39, 44, 73, .92), rgba(9, 11, 22, .96));
        box-shadow: 0 20px 80px rgba(0, 0, 0, .55);
        animation: portfolioLightboxIn .25s ease;
    }

    @keyframes portfolioLightboxIn {
        from {
            opacity: 0;
            transform: translateY(18px) scale(.97);
        }

        to {
            opacity: 1;
            transform: translateY(0) scale(1);
        }
    }

    .portfolio-lightbox-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 16px 18px;
        border-bottom: 1px solid var(--pf-yellow-12);
    }

    .portfolio-lightbox-title {
        color: #fff;
    }

    .portfolio-lightbox-title strong {
        display: block;
        color: #fff;
        font-size: 18px;
        margin-bottom: 3px;
    }

    .portfolio-lightbox-title span {
        color: #d8d8d8;
        font-size: 14px;
    }

    .portfolio-lightbox-close {
        width: 42px;
        height: 42px;
        border: 1px solid var(--pf-yellow-25);
        border-radius: 12px;
        background: rgba(255, 255, 255, .08);
        color: #fff;
        font-size: 30px;
        line-height: 1;
        cursor: pointer;
        transition: .3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .portfolio-lightbox-close:hover {
        background: rgba(255, 255, 255, .14);
        border-color: var(--pf-yellow-35);
        transform: translateY(-2px);
    }

    .portfolio-lightbox-body {
        padding: 18px;
        overflow-y: auto;
        max-height: calc(100vh - 135px);
    }

    .portfolio-lightbox-images {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .portfolio-lightbox-image {
        position: relative;
        overflow: hidden;
        border-radius: 18px;
        border: 1px solid rgba(255, 255, 255, .20);
        background: #000;
    }

    .portfolio-lightbox-image img {
        width: 100%;
        height: min(68vh, 560px);
        object-fit: contain;
        display: block;
        background: #000;
    }

    .portfolio-lightbox-image .btn-primary {
        position: absolute;
        left: 14px;
        bottom: 14px;
        z-index: 2;
    }

    body.portfolio-lightbox-open {
        overflow: hidden;
    }

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

    @media only screen and (max-width: 992px) {
        .portfolio-hero-inner {
            grid-template-columns: 1fr;
        }

        .portfolio-hero-image {
            min-height: 260px;
        }

        .portfolio-hero-image img,
        .portfolio-hero-image-placeholder {
            min-height: 260px;
        }

        .portfolio-grid {
            grid-template-columns: 1fr;
        }

        .portfolio-service-header {
            align-items: flex-start;
            flex-direction: column;
        }
    }

    @media only screen and (max-width: 768px) {
        .portfolio-page .container {
            width: calc(100% - 20px);
        }

        .portfolio-hero {
            padding: 25px 0;
        }

        .portfolio-hero::before {
            inset: 10px;
            border-radius: 18px;
        }

        .portfolio-hero-inner {
            gap: 14px;
        }

        .portfolio-hero-content {
            min-height: auto;
            padding: 18px 15px;
            border-radius: 16px;
        }

        .portfolio-hero h1 {
            font-size: 22px;
        }

        .portfolio-seo-content {
            font-size: 14px;
            line-height: 2;
            max-height: 190px;
        }

        .portfolio-hero-image {
            min-height: 220px;
        }

        .portfolio-hero-image img,
        .portfolio-hero-image-placeholder {
            min-height: 220px;
        }

        .portfolio-filter-head {
            flex-direction: column;
            align-items: stretch;
            text-align: center;
        }

        .portfolio-filter-head h2 {
            font-size: 20px;
        }

        .portfolio-count {
            text-align: center;
        }

        .portfolio-service-filters {
            justify-content: flex-start;
            overflow-x: auto;
            flex-wrap: nowrap;
            padding-bottom: 8px;
        }

        .portfolio-filter-btn {
            white-space: nowrap;
            min-width: max-content;
        }

        .portfolio-service-group {
            padding: 14px;
            border-radius: 18px;
            margin-bottom: 35px;
        }

        .portfolio-service-header {
            padding-bottom: 14px;
        }

        .portfolio-service-header h2 {
            font-size: 19px;
        }

        .portfolio-card {
            padding: 8px;
        }

        .portfolio-card .portfolio-holder {
            grid-template-columns: 1fr;
        }

        .portfolio-card .portfolio-holder::before {
            display: none;
        }

        .portfolio-card .portfolio-before img,
        .portfolio-card .portfolio-after img {
            height: 215px;
        }

        .portfolio-card-caption {
            flex-direction: column;
            align-items: flex-start;
        }

        .portfolio-lightbox {
            padding: 10px;
        }

        .portfolio-lightbox-box {
            border-radius: 18px;
        }

        .portfolio-lightbox-head {
            padding: 12px;
        }

        .portfolio-lightbox-body {
            padding: 12px;
            max-height: calc(100vh - 115px);
        }

        .portfolio-lightbox-images {
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .portfolio-lightbox-image img {
            height: auto;
            max-height: 55vh;
        }

        .portfolio-lightbox-title strong {
            font-size: 15px;
        }

        .portfolio-lightbox-title span {
            font-size: 13px;
        }
    }

    .portfolio-service-group .portfolio-after {
        padding: 0;
    }
    a.btn-secondary.portfolio-service-link {
        padding: 5px 10px;
        border: 1px solid var(--color-secondary);
        text-decoration: none;
        color: #fff;
        border-radius: 6px;
    }