:root {
            --brand: #7a1430;
            --text: #1a1a1a;
            --muted: #6a6a6a;
            --border: rgba(0, 0, 0, .08);
            --bg-page: #fff;
            --bg-soft: #efefef;
            --shadow: 0 10px 30px rgba(0, 0, 0, .08);
            --radius-lg: 14px;
            --radius-md: 10px;
            --radius-sm: 4px;
            --container-max: 1240px;
            --content-max: 900px;
            --topbar-h: 118px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            background: var(--bg-page);
            color: var(--text);
            font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
            overflow-x: hidden;
            line-height: 1.5;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--text);
            text-decoration: none;
        }

        a:hover {
            color: var(--brand);
        }

        .container {
            width: min(100%, calc(var(--container-max) + 40px));
            margin: 0 auto;
            padding: 0 20px;
        }

        .content-narrow {
            width: min(100%, var(--content-max));
            margin: 0 auto;
        }

        .page {
            padding: 28px 0 64px;
        }

        .mt-xl {
            margin-top: 60px;
        }

        .mt-lg {
            margin-top: 40px;
        }

        .mt-md {
            margin-top: 24px;
        }

        .mt-sm {
            margin-top: 12px;
        }

        .flex-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .breadcrumbs {
            font-size: 14px;
            color: #6b6b6b;
            margin: 8px 0 22px;
        }

        .breadcrumbs a {
            color: #6b6b6b;
        }

        .breadcrumbs a:hover {
            color: var(--brand);
        }

        .product {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 28px;
        }

        @media (max-width:1020px) {
            .product {
                grid-template-columns: 1fr;
            }
        }

        .gallery {
            display: grid;
            gap: 14px;
        }

        .gallery-main {
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow);
        }

        .gallery-main img {
            display: block;
            width: 100%;
            height: auto;
        }

        .gallery-thumbs {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
            gap: 10px;
            max-height: 260px;
            overflow-y: auto;
            padding-right: 4px;
        }

        .thumb {
            position: relative;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #fff;
            cursor: pointer;
            overflow: hidden;
            outline: 0;
            padding: 0;
        }

        .thumb img {
            width: 100%;
            height: 90px;
            object-fit: cover;
            display: block;
            border-radius: 10px;
        }

        .thumb.active {
            border: 2px solid var(--brand);
        }

        .thumb.active img {
            outline: 2px solid var(--brand);
            outline-offset: -2px;
        }

        .p-kicker {
            font-weight: 700;
            color: #333;
            margin: 0 0 6px;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: .03em;
        }

        .p-title {
            margin: 6px 0 4px;
            font-family: "Playfair Display", serif;
            font-weight: 800;
            font-size: clamp(22px, 2.6vw, 30px);
            color: var(--text);
            line-height: 1.2;
        }

        .rating {
            color: #f4a300;
            letter-spacing: 2px;
            margin: 6px 0 14px;
        }

        .rating small {
            color: #6b6b6b;
            margin-left: 6px;
            letter-spacing: 0;
        }

        .price {
            font-size: 28px;
            font-weight: 800;
            margin: 12px 0 18px;
        }

        .desc p {
            margin: 0 0 12px;
            line-height: 1.7;
            color: #222;
            font-size: 16px;
        }

        .note {
            color: var(--muted);
            font-size: 12px;
        }

        .buy {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 20px 0 16px;
        }

        .btn-add,
        .btn-buy-sm {
            background: var(--brand);
            color: #fff;
            border: 0;
            border-radius: var(--radius-md);
            padding: 12px 14px;
            font-weight: 800;
            cursor: pointer;
            font-family: inherit;
            font-size: 15px;
            line-height: 1.2;
        }

        .btn-add:hover,
        .btn-buy-sm:hover {
            filter: brightness(1.04);
        }

        .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: #6b6b6b;
            font-size: 13px;
            margin-top: 6px;
        }

        .meta a {
            color: #6b6b6b;
            text-decoration: none;
        }

        .meta a:hover {
            color: var(--brand);
        }

        .headline {
            font-family: 'Playfair Display', serif;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.3;
            margin: 0 0 24px;
        }

        .headline.h-main {
            font-size: clamp(24px, 1vw + 20px, 32px);
            text-transform: uppercase;
            letter-spacing: .02em;
        }

        .headline.h-md {
            font-size: clamp(20px, 0.5vw + 18px, 26px);
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 8px;
        }

        .para {
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            margin: 0 0 16px;
        }

        .list-dots {
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            padding-left: 20px;
            margin: 0 0 24px;
        }

        .list-dots li {
            margin: 0 0 12px;
        }

        .list-compact li {
            margin-bottom: 8px;
        }

        .cta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 16px;
            line-height: 1.4;
            color: var(--text);
            margin-top: 16px;
        }

        .cta-price {
            color: #511627;
            font-weight: 700;
            opacity: .9;
        }

        .course-reviews {
            padding: 32px 0 40px;
        }

        .course-reviews-box {
            border: 1px solid rgba(0, 0, 0, .08);
            border-radius: 14px;
            background: #fff;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
            padding: 14px 14px 16px;
        }

        .course-reviews-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .course-reviews-title {
            font-family: "Playfair Display", serif;
            font-weight: 800;
            color: #7a1430;
            font-size: 20px;
        }

        .course-reviews-summary-meta {
            font-size: 14px;
            color: #555;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .course-reviews-stars {
            color: #f4a300;
            letter-spacing: 1px;
        }

        .course-reviews-empty {
            margin-top: 6px;
            font-size: 14px;
            color: #6b7280;
        }

        .course-reviews-scroller {
            margin-top: 12px;
            display: flex;
            gap: 12px;
            overflow-x: auto;
            padding: 4px 2px 6px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .course-review-card {
            scroll-snap-align: start;
            flex: 0 0 280px;
            max-width: 320px;
            border-radius: 12px;
            border: 1px solid rgba(0, 0, 0, .08);
            background: #fdfdfd;
            padding: 10px 10px 12px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .course-review-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }

        .course-review-name {
            font-weight: 700;
            font-size: 14px;
        }

        .course-review-stars {
            font-size: 13px;
            color: #f4a300;
            white-space: nowrap;
        }

        .course-review-date {
            font-size: 11px;
            color: #6b7280;
        }

        .course-review-text {
            max-height: 280px;
            overflow-y: auto;
            overflow-x: hidden;
            padding-right: 6px;
            word-break: break-word;
        }

        .course-review-photos {
            margin-top: 4px;
            display: flex;
            flex-wrap: nowrap;
            gap: 6px;
            overflow-x: auto;
        }

        .course-review-photo-thumb {
            border: none;
            padding: 0;
            margin: 0;
            background: transparent;
            cursor: zoom-in;
        }

        .course-review-photo-thumb-inner {
            width: 72px;
            height: 72px;
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .08);
            background: #f9fafb;
        }

        .course-review-photo-thumb-inner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .course-review-lightbox {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.78);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            padding: 20px;
        }

        .course-review-lightbox.is-visible {
            display: flex;
        }

        .course-review-lightbox-inner {
            max-width: 90vw;
            max-height: 90vh;
            position: relative;
        }

        .course-review-lightbox-inner img {
            max-width: 100%;
            max-height: 100%;
            display: block;
            border-radius: 14px;
            box-shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
            background: #000;
        }

        .course-review-lightbox-close {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 32px;
            height: 32px;
            border-radius: 999px;
            border: none;
            background: #fff;
            color: #111827;
            font-size: 18px;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
        }

        .enroll {
            padding: clamp(26px, 4.2vw, 44px) 0 clamp(20px, 4vw, 36px);
        }

        .video-embed {
            width: min(100%, 1240px);
            margin: 0 auto;
        }

        .video-embed .frame {
            width: 100%;
            aspect-ratio: 16 / 9;
            background: #000;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, .18);
        }

        .video-embed iframe {
            width: 100%;
            height: 100%;
            border: 0;
            display: block;
        }

        .discount-banner {
            margin: 6px 0 10px;
            padding: 8px 12px;
            border-radius: 10px;
            background: #f97316;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .04em;
            text-transform: uppercase;
        }

        .discount-banner__time {
            font-variant-numeric: tabular-nums;
            padding: 4px 8px;
            border-radius: 999px;
            background: rgba(0, 0, 0, .16);
        }

        .discount-banner.is-expired {
            background: #6b7280;
        }