/*
          =========================================
          Base / Reset
          =========================================
          - Keep CSS lightweight for performance
          - Use system fonts for speed (SEO/UX)
        */
        *, *::before, *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            /* Safari on iOS inflates text inside any block wider than the viewport,
               so a page carrying a wide diagram gets larger body copy than a page
               without one — which is why Barcrest and OneFile did not match Software
               Creations on a phone despite identical type rules. The diagrams still
               scroll sideways inside their own figure; only the automatic inflation
               is switched off, so every page now sizes text the same way. */
            -webkit-text-size-adjust: 100%;
            text-size-adjust: 100%;
        }

        body {
            margin: 0;
            font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
            line-height: 1.5;
            color: #111;
            background: #fff;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        a:focus-visible {
            outline: 3px solid #111;
            outline-offset: 2px;
        }

        /*
          =========================================
          Layout helpers
          =========================================
        */
        .container {
            width: min(1100px, 100% - 2rem);
            margin-inline: auto;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /*
          =========================================
          Parallax background layers
          =========================================
          Implementation detail:
          - We use fixed, full-viewport layers
          - JS moves them slightly based on scroll
          - This makes images appear to move as you scroll
          NOTE: Some mobile browsers treat background-attachment: fixed differently.
          This JS approach is more consistent.
        */
        .parallax-layer {
            position: fixed;
            inset: 0;
            z-index: -3;
            background-size: cover;
            background-position: center;
            transform: translate3d(0, 0, 0);
            will-change: transform;
            filter: saturate(1.05);
        }

        .parallax-layer.layer-1 {
            z-index: -3;
            opacity: 0.75;
        }

        .parallax-layer.layer-2 {
            z-index: -2;
            opacity: 0.35;
            mix-blend-mode: multiply;
        }

        .parallax-layer.layer-3 {
            z-index: -1;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }

        /* Dark overlay for legibility */
        .page-overlay {
            position: fixed;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(0, 0, 0, .50), rgba(0, 0, 0, .15) 45%, rgba(255, 255, 255, .85) 78%, rgba(255, 255, 255, .98));
            pointer-events: none;
        }

        /*
          =========================================
          Header / Hero image (full width)
          =========================================
          - Use an <img> with loading="eager" for LCP (Largest Contentful Paint)
          - Use alt text for accessibility + SEO
        */
        header.hero {
            padding-top: 1rem;
        }

        .hero-card {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(0, 0, 0, .18);
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(6px);
        }

        .hero-media {
            position: relative;
            min-height: 260px;
        }

        .hero-media img {
            width: 100%;
            height: clamp(260px, 42vw, 420px);
            object-fit: cover;
            display: block;
        }

        /* Overlay image on hero header */
        .hero-media .hero-overlay-img {
            position: absolute;
            top: 1.2rem;
            left: 1.2rem;
            width: auto;
            height: 60%;
            object-fit: contain;
            background: #fff;
            border-radius: 16px;
            padding: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
            pointer-events: none;
            z-index: 2;
            opacity: 0.98;
            border: 1px solid #eee;
            transition: width 0.2s, height 0.2s, top 0.2s, left 0.2s;
        }

        /* Prevent overlay from covering hero-badge */
        .hero-media {
            display: flex;
            align-items: flex-start;
            position: relative;
        }

        .hero-media img:not(.hero-overlay-img) {
            flex: 1 1 0%;
            min-width: 0;
        }

        .hero-badge {
            position: absolute;
            right: 1rem;
            bottom: 1rem;
            left: unset;
            z-index: 3;
            /* Add top margin to ensure badge sits below logo */
            margin-top: 110px;
        }

        @media (max-width: 900px) {
            .hero-media .hero-overlay-img {
                max-width: 38%;
                padding: 10px 10px 10px 10px;
                min-width: 54px;
            }
        }

        @media (max-width: 560px) {
            .hero-media .hero-overlay-img {
                max-width: 44%;
                padding: 4px 4px 4px 4px;
                min-width: 36px;
            }
        }

        @media (max-width: 900px) {
            .hero-media .hero-overlay-img {
                width: 68px;
                height: 68px;
                top: 0.7rem;
                left: 0.7rem;
                padding: 7px;
            }
        }

        @media (max-width: 560px) {
            .hero-media .hero-overlay-img {
                width: 48px;
                height: 48px;
                top: 0.4rem;
                left: 0.4rem;
                padding: 4px;
            }
        }

        .hero-badge {
            position: absolute;
            inset: auto 1rem 1rem 1rem;
            color: #fff;
            background: rgba(0, 0, 0, .55);
            padding: .85rem 1rem;
            border-radius: 14px;
            max-width: 70ch;
            box-shadow: 0 10px 24px rgba(0, 0, 0, .25);
        }

        .hero-badge h1 {
            margin: 0 0 .35rem;
            font-size: clamp(1.25rem, 2.2vw + .6rem, 2.4rem);
            line-height: 1.15;
        }

        .hero-badge p {
            margin: 0;
            opacity: .95;
        }

        /*
          =========================================
          Link bar: 10 links wide on desktop
          =========================================
          - On mobile, it becomes horizontally scrollable chips
          - Good for UX, avoids tiny links
        */
        nav.primary-links {
            background: rgba(255, 255, 255, .92);
            border-top: 1px solid rgba(0, 0, 0, .08);
            padding: .75rem;
        }

        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
            gap: .5rem;
        }

        .link-grid a {
            display: grid;
            place-items: center;
            text-align: center;
            line-height: 1.25;
            padding: .55rem .4rem;
            border-radius: 12px;
            background: rgba(0, 0, 0, .04);
            font-size: .9rem;
            transition: transform .12s ease, background .12s ease;
        }

        /* The second line of a menu item: what the page is, for anybody who cannot tell from a
           one-word label. Small and quiet, so the label still reads as the link. */
        .link-grid a small {
            display: block;
            font-size: .72rem;
            font-weight: 400;
            opacity: .62;
            margin-top: .1rem;
        }


        .link-grid a:hover {
            background: rgba(0, 0, 0, .07);
            transform: translateY(-1px);
        }

        .link-grid a[aria-current="page"] {
            background: #111;
            color: #fff;
        }

        /*
          =========================================
          Main content cards
          =========================================
        */
        main {
            padding: 1.25rem 0 2.5rem;
        }

        .section {
            margin-top: 1.1rem;
            background: rgba(255, 255, 255, .92);
            border: 1px solid rgba(0, 0, 0, .08);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 12px 28px rgba(0, 0, 0, .12);
        }

        .section-inner {
            padding: 1.25rem;
        }

        .section h2 {
            margin: 0 0 .10rem;
            font-size: 1.35rem;
            line-height: 1.2;
        }

        .muted {
            color: rgba(0, 0, 0, .72);
        }

        /*
          =========================================
          Offers banner image section
          =========================================
        */
        .offers {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 1rem;
            align-items: stretch;
        }

        .offers-media {
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .08);
        }

        .offers-media img {
            height: 100%;
            width: 100%;
            object-fit: cover;
        }

        .offers-copy {
            border-radius: 14px;
            border: 1px solid rgba(0, 0, 0, .08);
            padding: 1rem;
            background: rgba(0, 0, 0, .03);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: .75rem;
        }

        .pill-row {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
        }

        .pill {
            font-size: .85rem;
            padding: .35rem .55rem;
            border-radius: 999px;
            background: rgba(0, 0, 0, .06);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .7rem 1rem;
            border-radius: 14px;
            background: #111;
            color: #fff;
            font-weight: 600;
            border: 1px solid rgba(0, 0, 0, .18);
            width: fit-content;
        }

        .btn:hover {
            transform: translateY(-1px);
        }

        /*
          =========================================
          Featured posts (4 small posts with image links)
          =========================================
          - Use <article> for semantics (SEO)
          - Use descriptive alt text
        */
        .post-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }

        .post {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .08);
            background: #fff;
            transition: transform .12s ease, box-shadow .12s ease;
        }

        .post:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 30px rgba(0, 0, 0, .14);
        }

        .post a {
            display: grid;
            height: 100%;
        }

        .post img {
            height: 140px;
            width: 100%;
            object-fit: cover;
        }

        .post .post-body {
            padding: .85rem .85rem 1rem;
        }

        .post h3 {
            margin: 0 0 .25rem;
            font-size: 1rem;
            line-height: 1.2;
        }

        .post p {
            margin: 0;
            font-size: .92rem;
            color: rgba(0, 0, 0, .72);
        }

        /*
          =========================================
          Services text section
          =========================================
        */
        .service-columns {
            display: grid;
            grid-template-columns: 1.2fr;
            gap: 1rem;
            align-items: start;
        }

        /* A grid item defaults to min-width:auto, which is a refusal to shrink below
           its own content. The diagrams are deliberately wider than a phone, so that
           default made the whole column as wide as the widest diagram, and the
           section's overflow:hidden clipped the lot instead of letting the figure
           scroll. Letting the item shrink is what lets .diagram's own overflow-x do
           the job it was added for. Harmless on pages with nothing wide on them. */
        .service-columns > * {
            min-width: 0;
        }

        .service-list {
            border-radius: 14px;
            border: 1px solid rgba(0, 0, 0, .08);
            background: rgba(0, 0, 0, .03);
            padding: 1rem;
        }

        .service-list ul {
            margin: .5rem 0 0;
            padding-left: 1.15rem;
        }

        /*
          =========================================
          Footer block 1: 6 footer images + text
          =========================================
        */
        footer.site-footer {
            padding: 1.25rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: .75rem;
        }

        .footer-tile {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, .08);
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 10px 22px rgba(0, 0, 0, .10);
        }

        .footer-tile img {
            height: 90px;
            width: 100%;
            object-fit: cover;
        }

        .footer-tile .tile-body {
            padding: .7rem .75rem .85rem;
        }

        .footer-tile strong {
            display: block;
            font-size: .92rem;
        }

        .footer-tile span {
            display: block;
            font-size: .85rem;
            color: rgba(0, 0, 0, .70);
        }

        .footer-links {
            margin-top: 1rem;
            background: rgba(255, 255, 255, .92);
            border: 1px solid rgba(0, 0, 0, .08);
            border-radius: 18px;
            box-shadow: 0 12px 28px rgba(0, 0, 0, .12);
            overflow: hidden;
        }

        .footer-links .section-inner {
            padding: 1rem 1.25rem 1.2rem;
        }

        .all-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: .65rem;
            margin-top: .75rem;
        }

        .all-links a {
            display: block;
            padding: .5rem .6rem;
            border-radius: 12px;
            background: rgba(0, 0, 0, .04);
            font-size: .92rem;
        }

        .all-links a:hover {
            background: rgba(0, 0, 0, .07);
        }

        /*
          =========================================
          Mobile responsiveness
          =========================================
          - Make tap targets bigger
          - Avoid 10-column tiny links; switch to scrollable row
        */
        @media (max-width: 900px) {
            .link-grid {
                grid-template-columns: repeat(5, 1fr);
            }

            .post-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .footer-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .all-links {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 560px) {
            /* Convert link bar to horizontal chips for small screens */
            .link-grid {
                display: flex;
                overflow-x: auto;
                gap: .5rem;
                padding-bottom: .25rem;
                scroll-snap-type: x mandatory;
            }

            .link-grid a {
                flex: 0 0 auto;
                min-width: 120px;
                scroll-snap-align: start;
                padding: .7rem .8rem;
                font-size: .95rem;
            }

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .all-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Reduce motion preference */
        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            .parallax-layer {
                will-change: auto;
            }

            .post, .link-grid a, .btn {
                transition: none;
            }
        }

        /* Company address banner overlay */
        .company-address-banner {
            position: absolute;
            top: 2.2rem;
            right: 2.2rem;
            background: #fff;
            color: #111;
            padding: 16px 28px;
            border-radius: 14px;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.10);
            font-size: 1.08rem;
            line-height: 1.5;
            text-align: right;
            z-index: 10;
            min-width: 220px;
            max-width: 90vw;
        }

        .company-address-banner strong {
            font-weight: bold;
            color: #111;
            font-size: 1.15em;
        }

        @media (max-width: 700px) {
            .company-address-banner {
                font-size: 0.97rem;
                padding: 8px 10px;
                min-width: 120px;
                right: 0.7rem;
                top: 0.7rem;
            }
        }

        /* =====================================================
           Breadcrumb - sits under the primary links in the header
           ===================================================== */
        nav.breadcrumb {
            background: rgba(255, 255, 255, .92);
            border-top: 1px solid rgba(0, 0, 0, .08);
            padding: .55rem .9rem;
        }

        nav.breadcrumb ol {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: .1rem .45rem;
            font-size: .88rem;
        }

        nav.breadcrumb li {
            display: flex;
            align-items: center;
            gap: .45rem;
            color: rgba(0, 0, 0, .62);
        }

        nav.breadcrumb li + li::before {
            content: "/";
            color: rgba(0, 0, 0, .3);
        }

        nav.breadcrumb a:hover {
            text-decoration: underline;
        }

        nav.breadcrumb [aria-current="page"] {
            color: #111;
            font-weight: 600;
        }


        /* =====================================================
           Game screenshots
           All normalised to 640x400, the C64's own 320x200 at
           twice the size, so every shot in the grid matches.
           ===================================================== */
        .shots-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 1.4rem 0 .4rem;
        }

        .shots-grid img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            border: 1px solid rgba(0, 0, 0, .12);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .14);
        }

        .shots-grid figure {
            margin: 0;
        }

        .shots-grid figcaption {
            font-size: .85rem;
            color: rgba(0, 0, 0, .66);
            padding-top: .4rem;
        }

        @media (max-width: 640px) {
            .shots-grid {
                grid-template-columns: 1fr;
            }
        }


        .person {
            border-left: 3px solid rgba(0, 0, 0, .12);
            padding: .1rem 0 .1rem 1.1rem;
            margin: 1.4rem 0;
        }

        .person h3 {
            margin: 0 0 .1rem;
            font-size: 1.08rem;
        }

        .person-role {
            display: block;
            font-size: .78rem;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: rgba(0, 0, 0, .55);
            margin-bottom: .5rem;
        }

        .person p {
            margin: 0 0 .6rem;
        }

        .section-rule {
            margin-top: 2.2rem;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(0, 0, 0, .12);
            font-size: 1.25rem;
        }