@font-face {

            font-family: 'Vazirmatn';

            src:
                url('../fonts/Vazirmatn[wght].woff2')
                format('woff2');

            font-weight: 100 900;

            font-style: normal;

            font-display: swap;
        }


        :root {

            --bg: #07111f;

            --bg2: #0b1829;

            --card: rgba(255,255,255,.045);

            --border: rgba(255,255,255,.10);

            --text: #ffffff;

            --muted: rgba(255,255,255,.64);

            --teal: #36dfc3;

            --max: 1240px;
        }


        * {
            box-sizing: border-box;
        }


        html {
            scroll-behavior: smooth;
        }


        body {

            margin: 0;

            min-height: 100vh;

            background:
                radial-gradient( circle at 15% 10%, rgba(54,223,195,.08), transparent 30% ), radial-gradient( circle at 85% 30%, rgba(60,120,255,.07), transparent 30% ), #F3F4F6;

            color: #2b2d30;

            font-family: 'Vazirmatn', Arial, sans-serif;
        }


        a {
            color: #020202;
        }


        .container {

            width: min(
                calc(100% - 40px),
                var(--max)
            );

            margin-inline: auto;
        }


        /* HEADER */

        .product-header {

            position: sticky;

            top: 0;

            z-index: 20;

            background: rgba(255,255,255,.74);

            border-bottom: 1px solid var(--border);

            backdrop-filter:
                blur(18px);
        }


        .header-inner {

            min-height: 76px;

            display: flex;

            align-items: center;

            justify-content: space-between;

            gap: 20px;
        }


        .brand {

            text-decoration: none;

            font-weight: 800;

            font-size: 21px;
        }


        .back-link {

            display: inline-flex;

            align-items: center;

            gap: 8px;

            text-decoration: none;

            color: rgba(1, 26, 28, 0.88);

            transition: .25s ease;
        }


        .back-link:hover {
            color: #038671;
        }


        /* HERO */

        .product-hero {

            padding:
                80px
                0
                70px;
        }


        .hero-grid {

            display: grid;

            grid-template-columns:
                minmax(0, 1.05fr)
                minmax(0, .95fr);

            align-items: center;

            gap: 70px;
        }


        .product-image-wrap {

            position: relative;

            min-height: 520px;

            display: grid;

            place-items: center;

            border: 1px solid rgba(2, 29, 37, 0.15);

            border-radius: 32px;

            background:
                radial-gradient(
                    circle,
                    rgba(238, 236, 236, 0.07),
                    rgba(247, 245, 245, 0.015) 65%
                );

            overflow: hidden;
        }


        .product-image-wrap::before {

            content: '';

            position: absolute;

            width: 420px;

            height: 420px;

            border-radius: 50%;

            background:
                rgba(54,223,195,.08);

            filter: blur(70px);
        }


        .product-image {

            position: relative;

            z-index: 1;

            display: block;

            width: min(88%, 620px);

            height: auto;

            max-height: 560px;

            object-fit: contain;

            filter:
                drop-shadow( 0 30px 45px rgba(251, 177, 4, 0.05) );
        }


        .product-info {

            animation:
                productFade .7s ease both;
        }


        @keyframes productFade {

            from {

                opacity: 0;

                transform:
                    translateY(20px);
            }

            to {

                opacity: 1;

                transform:
                    translateY(0);
            }
        }


        .eyebrow {

            color: #0c5161;

            font-size: 14px;

            font-weight: 700;

            margin-bottom: 14px;
        }


        .product-title {

            margin: 0;

            font-size:
                clamp(42px, 6vw, 76px);

            line-height: 1;

            letter-spacing: -.04em;
        }


        .product-en {

            margin-top: 12px;

            color: rgba(36, 42, 45, 0.72);

            font-size: 16px;

            letter-spacing: .16em;

            direction: ltr;

            text-align: right;
        }


        .short-description {

            margin:
                30px
                0
                0;

            max-width: 650px;

            color: rgba(54, 48, 48, 0.9);

            font-size: 18px;

            line-height: 2;
        }


        .actions {

            display: flex;

            flex-wrap: wrap;

            gap: 12px;

            margin-top: 32px;
        }


        .btn {

            display: inline-flex;

            align-items: center;

            justify-content: center;

            min-height: 50px;

            padding:
                0
                22px;

            border-radius: 14px;

            text-decoration: none;

            font-weight: 700;

            transition:
                transform .25s ease,
                background .25s ease;
        }


        .btn:hover {
            transform: translateY(-2px);
        }


        .btn-primary {

            background: #8f1c1c;
  color: #fff;
  border: 1px solid rgba(2, 30, 41, 0.88);
        }


        .btn-secondary {

            border: 1px solid rgba(2, 30, 41, 0.88);

            background: rgb(11, 92, 246);

            color: #fff;
        }


        /* SECTIONS */

        .section {

            padding:
                80px
                0;
        }


        .section-title {

            margin: 0 0 35px;

            font-size: 30px;
        }


        .description {

            max-width: 850px;

            color: rgba(61, 67, 69, 0.76);

            font-size: 17px;

            line-height: 2.25;
        }


        /* FEATURES */

        .features {

            display: grid;

            grid-template-columns:
                repeat(
                    auto-fit,
                    minmax(210px, 1fr)
                );

            gap: 15px;
        }


        .feature {

            min-height: 110px;

            padding: 25px;

            border:
                1px solid var(--border);

            border-radius: 20px;

            background: rgba(242, 240, 240, 0.13);

            display: flex;

            align-items: center;

            line-height: 1.9;
        }


        .feature::before {

            content: '';

            width: 8px;

            height: 8px;

            flex: 0 0 8px;

            margin-left: 14px;

            border-radius: 50%;

            background: #0aab76;

            box-shadow: 0 0 18px rgba(14, 164, 157, 0.6);
        }


        /* GALLERY */

        .gallery {

            display: grid;

            grid-template-columns:
                repeat(
                    auto-fit,
                    minmax(250px, 1fr)
                );

            gap: 18px;
        }


        .gallery-item {

            margin: 0;

            aspect-ratio: 3 / 4;

            overflow: hidden;

            border:
                1px solid var(--border);

            border-radius: 22px;

            background: var(--card);
        }


        .gallery-item img {

            width: 100%;

            height: 100%;

            object-fit: cover;

            display: block;

            transition:
                transform .5s ease;
        }


        .gallery-item:hover img {
            transform: scale(1.04);
        }


        /* SPECS */

        .specs {

            overflow: hidden;

            border: 1px solid rgba(186, 175, 175, 0.19);

            border-radius: 22px;

            background: rgba(114, 121, 123, 0.04);
        }


        .spec-row {

            display: grid;

            grid-template-columns:
                220px
                1fr;

            padding:
                18px
                22px;

            border-bottom: 1px solid rgba(108, 102, 102, 0.1);
        }


        .spec-row:last-child {
            border-bottom: 0;
        }


        .spec-name {

            color: rgba(30, 36, 45, 0.77);

            font-weight: 600;
        }


        .spec-value {
            color: #585c5e;
        }


        /* VIDEO */

        .video-box {

            position: relative;

            overflow: hidden;

            width: 100%;

            max-width: 950px;

            margin-inline: auto;

            aspect-ratio: 16 / 9;

            border-radius: 24px;

            border:
                1px solid var(--border);

            background: #000;
        }


        .video-box iframe {

            position: absolute;

            inset: 0;

            width: 100%;

            height: 100%;

            border: 0;
        }


        /* FOOTER */

        .product-footer {

            padding:
                45px
                0;

            border-top: 1px solid rgba(201, 198, 198, 0.1);

            color: rgba(24, 33, 39, 0.77);

            text-align: center;
        }


        @media (max-width: 850px) {

            .product-hero {
                padding-top: 45px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 35px;
            }

            .product-image-wrap {
                min-height: 360px;
            }

            .product-title {
                font-size: 52px;
            }

            .spec-row {
                grid-template-columns: 1fr;
                gap: 7px;
            }

        }


        @media (max-width: 550px) {

            .container {
                width:
                    min(
                        calc(100% - 24px),
                        var(--max)
                    );
            }

            .header-inner {
                min-height: 65px;
            }

            .product-image-wrap {
                min-height: 300px;
                border-radius: 24px;
            }

            .product-title {
                font-size: 44px;
            }

            .short-description {
                font-size: 16px;
            }

            .section {
                padding: 55px 0;
            }

        }