/* =====================================================
           Same style system as the rest of the site
           ===================================================== */
        *, *::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, button:focus-visible {
            outline: 3px solid #111;
            outline-offset: 2px;
        }

        .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 */
        .parallax-layer {
            position: fixed;
            inset: 0;
            z-index: -3;
            background-size: cover;
            background-position: center;
            transform: translate3d(0, 0, 0);
            will-change: transform;
        }

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

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

        .page-overlay {
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            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));
        }

        /* Hero */
        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;
            display: flex;
            align-items: flex-start;
        }

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

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

        .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;
        }

        .hero-badge {
            position: absolute;
            inset: auto 1rem 1rem 1rem;
            z-index: 3;
            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;
        }

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

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

        /* Primary link bar */
        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;
        }


        /* =====================================================
           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 {
            border-radius: 6px;
        }

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

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

        /* Sections */
        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 .75rem;
            font-size: 1.35rem;
            line-height: 1.2;
        }

        .section h3 {
            margin: 1.6rem 0 .2rem;
            font-size: 1.05rem;
        }

        .section h3:first-of-type {
            margin-top: .4rem;
        }

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

        .crumbs {
            font-size: .92rem;
            margin: 0 0 .6rem;
            color: rgba(0, 0, 0, .65);
        }

        .app-platform {
            display: inline-block;
            font-size: .78rem;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: rgba(0, 0, 0, .6);
            border: 1px solid rgba(0, 0, 0, .14);
            border-radius: 999px;
            padding: .18rem .6rem;
            margin-bottom: .5rem;
        }

        /* =====================================================
           iPhone frame — wraps a 1290x2796 screenshot
           ===================================================== */
        .phone {
            position: relative;
            display: block;
            width: 100%;
            background: #101114;
            border-radius: 13.5% / 6.2%;
            padding: 2.6%;
            box-shadow: 0 14px 30px rgba(0, 0, 0, .30), 0 0 0 1px rgba(255, 255, 255, .12) inset;
        }

        .phone img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 11% / 5.2%;
            background: #fff;
        }

        .phone::after {
            content: "";
            position: absolute;
            top: 2.4%;
            left: 50%;
            transform: translateX(-50%);
            width: 27.6%;
            height: 3.8%;
            background: #101114;
            border-radius: 999px;
        }

        /* Hero trio at the top of the page */
        /* Three phones, overlapped so each one can be bigger
           than an even three-column split would allow. */
        .hero-shots {
            display: flex;
            align-items: center;
            justify-content: center;
            max-width: 620px;
        }

        .hero-shots .phone {
            flex: 0 0 42%;
        }

        .hero-shots .phone:nth-child(1) {
            transform: rotate(-5deg) translateY(8px) scale(.93);
            margin-right: -13%;
        }

        .hero-shots .phone:nth-child(3) {
            transform: rotate(5deg) translateY(8px) scale(.93);
            margin-left: -13%;
        }

        .hero-shots .phone:nth-child(2) {
            z-index: 2;
        }

        /* Overview: text beside the phones */
        .overview {
            display: grid;
            grid-template-columns: 1fr minmax(300px, 46%);
            gap: 1.75rem;
            align-items: start;
        }

        .facts {
            margin: 1rem 0 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: .45rem;
        }

        .facts li {
            display: flex;
            gap: .6rem;
            font-size: .95rem;
        }

        .facts b {
            flex: 0 0 7.5rem;
            color: rgba(0, 0, 0, .6);
            font-weight: 600;
        }

        /* =====================================================
           Screenshot grid — each shot opens the lightbox
           ===================================================== */
        .shot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.1rem;
            margin: .9rem 0 0;
        }

        .shot {
            margin: 0;
        }

        .shot button {
            display: block;
            width: 100%;
            padding: 0;
            border: 0;
            background: none;
            cursor: zoom-in;
            font: inherit;
            text-align: left;
            transition: transform .14s ease;
        }

        .shot button:hover {
            transform: translateY(-3px);
        }

        .shot figcaption {
            font-size: .88rem;
            color: rgba(0, 0, 0, .72);
            padding: .55rem .15rem 0;
        }

        .shot figcaption strong {
            display: block;
            color: #111;
            font-size: .95rem;
        }

        /* =====================================================
           Lightbox
           ===================================================== */
        dialog#lightbox {
            width: min(880px, calc(100% - 1.5rem));
            border: 0;
            padding: 0;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, .45);
            background: #fff;
        }

        dialog::backdrop {
            background: rgba(0, 0, 0, .72);
        }

        .lb-head {
            display: flex;
            justify-content: space-between;
            gap: 1rem;
            align-items: center;
            padding: .85rem 1rem;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid rgba(0, 0, 0, .08);
        }

        .lb-close, .lb-nav button {
            border: 1px solid rgba(0, 0, 0, .15);
            background: rgba(0, 0, 0, .04);
            border-radius: 12px;
            padding: .45rem .7rem;
            cursor: pointer;
            font-weight: 600;
            font: inherit;
        }

        .lb-close:hover, .lb-nav button:hover {
            background: rgba(0, 0, 0, .09);
        }

        .lb-media {
            background: #0e0f12;
            display: grid;
            place-items: center;
            padding: 1rem;
        }

        .lb-media img {
            width: auto;
            max-width: 100%;
            max-height: 68vh;
            object-fit: contain;
            border-radius: 14px;
        }

        .lb-body {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding: .9rem 1rem;
            background: rgba(255, 255, 255, .96);
            border-top: 1px solid rgba(0, 0, 0, .08);
        }

        .lb-nav {
            display: flex;
            gap: .5rem;
            flex: 0 0 auto;
        }

        /* Footer links block */
        footer {
            padding: 1.25rem 0 2rem;
        }

        .footer-links {
            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;
        }

        .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 */
        @media (max-width: 900px) {
            .link-grid {
                grid-template-columns: repeat(5, 1fr);
            }

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

            .hero-shots {
                margin-inline: auto;
            }

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

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

        @media (max-width: 560px) {
            .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;
            }

            .shot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: .8rem;
            }

            .facts b {
                flex-basis: 6rem;
            }

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


        /* =====================================================
           Screenshot carousel
           Same markup contract and behaviour as the carousel on
           firstchoicewindows-2026 (js/carousel.js is shared):
           a native scroll-snap track that works by swipe and
           keyboard before the script loads, with arrows and dots
           layered on top once it does.
           ===================================================== */
        .fc-carousel {
            --gap: 1.1rem;
            --per-view: 1;
            margin-top: 1.25rem;
        }

        /* Three per view. The spacing lives inside the slide rather than
           in a flex gap: the script scrolls by exactly one viewport per
           page, and three slides plus three gaps are wider than that, so
           a real gap would drift the slides out of step page by page. */
        .fc-carousel--3 {
            --per-view: 3;
            --gap: 0rem;
        }

        @media (max-width: 900px) {
            .fc-carousel--3 {
                --per-view: 2;
            }
        }

        @media (max-width: 620px) {
            .fc-carousel--3 {
                --per-view: 1;
            }
        }

        .fc-carousel-frame {
            position: relative;
        }

        .fc-carousel-viewport {
            overflow-x: auto;
            overscroll-behavior-x: contain;
            scroll-snap-type: x mandatory;
            scroll-behavior: smooth;
            scrollbar-width: none;
            -ms-overflow-style: none;
            /* room for the hover lift and focus rings */
            padding: 4px 0 8px;
            margin: -4px 0 -8px;
        }

        .fc-carousel-viewport::-webkit-scrollbar {
            display: none;
        }

        .fc-carousel-viewport:focus-visible {
            outline: 3px solid #111;
            outline-offset: 2px;
            border-radius: 16px;
        }

        .fc-carousel-track {
            display: flex;
            gap: var(--gap);
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .fc-carousel-item {
            flex: 0 0 calc((100% - (var(--per-view) - 1) * var(--gap)) / var(--per-view));
            scroll-snap-align: start;
            display: flex;
        }

        .fc-carousel-item > * {
            flex: 1 1 auto;
        }

        .fc-carousel-btn {
            position: absolute;
            top: 46%;
            transform: translateY(-50%);
            z-index: 3;
            width: 44px;
            height: 44px;
            /* revealed by JS; without it the track is still swipeable */
            display: none;
            place-items: center;
            background: #fff;
            color: #111;
            border: 1px solid rgba(0, 0, 0, .15);
            border-radius: 50%;
            box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
            cursor: pointer;
            transition: background-color .18s ease, color .18s ease, opacity .18s ease;
        }

        .fc-carousel[data-ready] .fc-carousel-btn {
            display: grid;
        }

        .fc-carousel-btn svg {
            width: 18px;
            height: 18px;
        }

        .fc-carousel-btn:hover:not(:disabled) {
            background: #111;
            color: #fff;
        }

        .fc-carousel-btn:disabled {
            opacity: 0;
            pointer-events: none;
        }

        .fc-carousel-prev {
            left: 4px;
        }

        .fc-carousel-next {
            right: 4px;
        }

        .fc-carousel-controls {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 1.1rem;
        }

        .fc-carousel-dots {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: .45rem;
            max-width: 34rem;
        }

        .fc-carousel-dot {
            width: 9px;
            height: 9px;
            padding: 0;
            background: rgba(0, 0, 0, .18);
            border: 0;
            border-radius: 50%;
            cursor: pointer;
            transition: background-color .18s ease, width .18s ease;
        }

        .fc-carousel-dot[aria-current="true"] {
            background: #111;
            width: 26px;
            border-radius: 5px;
        }

        /* One screenshot per slide: phone centred, caption beneath */
        .slide {
            margin: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            /* stands in for the flex gap - see .fc-carousel--3 above */
            padding-inline: .55rem;
        }

        .slide button {
            width: min(205px, 76%);
            cursor: zoom-in;
        }

        .slide figcaption {
            padding-top: .9rem;
        }

        @media (max-width: 620px) {
            .slide button {
                width: min(250px, 62vw);
            }
        }

        .slide-group {
            display: block;
            font-size: .76rem;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: rgba(0, 0, 0, .55);
            margin-bottom: .3rem;
        }

        .slide figcaption strong {
            display: block;
            font-size: 1.02rem;
            margin-bottom: .25rem;
        }

        .slide figcaption p {
            margin: 0;
            font-size: .9rem;
            color: rgba(0, 0, 0, .72);
        }

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

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

            .shot button, .link-grid a {
                transition: none;
            }

            .fc-carousel-viewport {
                scroll-behavior: auto;
            }
        }