:root {
    color-scheme: dark;

    --platform-bg: #020609;
    --platform-deep: #010305;
    --platform-surface: #071017;
    --platform-surface-raised: #09141c;
    --platform-text: #f3f7f9;
    --platform-muted: #8998a2;
    --platform-soft: #65757f;
    --platform-blue: #8bdcff;
    --platform-line: rgba(139, 220, 255, .13);
    --platform-line-soft: rgba(255, 255, 255, .07);
    --platform-max: 1480px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    background: var(--platform-bg);
    scroll-behavior: smooth;
}

body.dgx-platform-page {
    min-width: 320px;
    min-height: 100svh;
    margin: 0;
    overflow-x: clip;
    color: var(--platform-text);
    background:
        radial-gradient(
            circle at 50% -12%,
            rgba(47, 137, 176, .14),
            transparent 36rem
        ),
        linear-gradient(
            180deg,
            #040b10,
            var(--platform-bg) 44%,
            var(--platform-deep)
        );
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Helvetica,
        Arial,
        sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

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

.platform-skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1000;
    padding: 10px 14px;
    transform: translateY(-160%);
    border: 1px solid var(--platform-blue);
    border-radius: 8px;
    background: var(--platform-bg);
}

.platform-skip-link:focus {
    transform: translateY(0);
}

.platform-nav {
    position: absolute;
    top: 0;
    left: 50%;
    z-index: 50;
    width: min(var(--platform-max), calc(100% - 64px));
    min-height: 82px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 32px;
    transform: translateX(-50%);
    border-bottom: 1px solid var(--platform-line-soft);
}

.platform-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    justify-self: start;
}

.platform-brand img {
    width: 34px;
    height: 34px;
}

.platform-brand > span {
    display: grid;
    gap: 3px;
}

.platform-brand strong {
    font-size: .92rem;
    font-weight: 700;
    letter-spacing: .06em;
}

.platform-brand small {
    color: var(--platform-soft);
    font-size: .56rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.platform-nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(18px, 2.25vw, 36px);
}

.platform-nav-links a {
    color: #7d8d98;
    font-size: .75rem;
    font-weight: 650;
    letter-spacing: .035em;
}

.platform-nav-links a:hover,
.platform-nav-links a:focus-visible,
.platform-nav-links a[aria-current="page"] {
    color: var(--platform-blue);
}

.platform-nav-action {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
    padding: 0 17px;
    border: 1px solid rgba(139, 220, 255, .32);
    border-radius: 8px;
    color: #dff6ff;
    background: rgba(52, 135, 168, .12);
    font-size: .72rem;
    font-weight: 700;
}

.platform-hero {
    min-height: 94svh;
    display: grid;
    align-items: center;
    padding: 150px 32px 110px;
}

.platform-hero-inner {
    width: min(1180px, 100%);
    margin-inline: auto;
    text-align: center;
}

.platform-eyebrow {
    margin: 0;
    color: var(--platform-blue);
    font-size: .65rem;
    font-weight: 750;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.platform-hero h1 {
    max-width: 1100px;
    margin: 28px auto 0;
    font-size: clamp(4rem, 7.2vw, 7.7rem);
    font-weight: 650;
    line-height: .91;
    letter-spacing: -.065em;
    text-wrap: balance;
}

.platform-hero h1 span,
.provider-boundary-heading h2 span {
    display: block;
    color: #83949f;
}

.platform-hero-copy {
    max-width: 760px;
    margin: 34px auto 0;
    color: var(--platform-muted);
    font-size: clamp(1rem, 1.3vw, 1.18rem);
    line-height: 1.75;
}

.platform-hero-actions,
.platform-final-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 36px;
}

.platform-primary-action {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 0 23px;
    border: 1px solid rgba(139, 220, 255, .42);
    border-radius: 8px;
    color: #edfaff;
    background: rgba(49, 137, 171, .18);
    font-size: .79rem;
    font-weight: 700;
}

.platform-text-action {
    color: #a3b3bd;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(163, 179, 189, .31);
    font-size: .8rem;
    font-weight: 600;
}

.platform-primary-action:hover,
.platform-primary-action:focus-visible,
.platform-nav-action:hover,
.platform-nav-action:focus-visible {
    border-color: rgba(139, 220, 255, .7);
    background: rgba(49, 137, 171, .25);
}

.platform-text-action:hover,
.platform-text-action:focus-visible {
    color: var(--platform-text);
    border-color: var(--platform-blue);
}

.platform-section {
    width: min(var(--platform-max), calc(100% - 64px));
    margin-inline: auto;
    padding: clamp(110px, 12vw, 180px) 0;
    border-top: 1px solid var(--platform-line-soft);
}

.platform-section-heading {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr);
    gap: clamp(36px, 6vw, 94px);
}

.platform-section-number {
    margin: 7px 0 0;
    color: var(--platform-blue);
    font-size: .62rem;
    font-weight: 800;
    letter-spacing: .13em;
}

.platform-section-heading h2,
.provider-boundary-heading h2,
.platform-final h2 {
    max-width: 1050px;
    margin: 25px 0 0;
    font-size: clamp(3.1rem, 5.8vw, 6.4rem);
    font-weight: 640;
    line-height: .96;
    letter-spacing: -.056em;
    text-wrap: balance;
}

.platform-section-heading > div > p:last-child {
    max-width: 700px;
    margin: 28px 0 0;
    color: var(--platform-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.workspace-comparison {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: clamp(54px, 7vw, 90px) 0 0 180px;
}

.workspace-comparison article {
    min-height: 410px;
    display: flex;
    flex-direction: column;
    padding: clamp(30px, 3vw, 44px);
    border: 1px solid var(--platform-line);
    border-radius: 16px;
    background: rgba(7, 16, 23, .68);
}

.workspace-label {
    margin: 0;
    color: var(--platform-blue);
    font-size: .64rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.workspace-comparison h3 {
    margin: 42px 0 0;
    font-size: clamp(1.8rem, 2.6vw, 2.7rem);
    font-weight: 650;
    letter-spacing: -.035em;
}

.workspace-comparison article > p:not(.workspace-label) {
    max-width: 500px;
    margin: 22px 0 40px;
    color: var(--platform-muted);
    font-size: .98rem;
    line-height: 1.7;
}

.workspace-comparison dl {
    margin: auto 0 0;
}

.workspace-comparison dl > div {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    padding: 16px 0;
    border-top: 1px solid var(--platform-line);
}

.workspace-comparison dt {
    color: var(--platform-soft);
    font-size: .67rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.workspace-comparison dd {
    margin: 0;
    color: #b2c0c8;
    font-size: .8rem;
}

.intelligence-layer-list {
    margin: clamp(54px, 7vw, 90px) 0 0 180px;
}

.intelligence-layer-list article {
    display: grid;
    grid-template-columns: minmax(180px, .35fr) minmax(0, 1fr);
    gap: clamp(30px, 5vw, 80px);
    padding: 30px 0;
    border-top: 1px solid var(--platform-line);
}

.intelligence-layer-list article:last-child {
    border-bottom: 1px solid var(--platform-line);
}

.intelligence-layer-list span {
    color: #e7eff3;
    font-size: 1rem;
    font-weight: 680;
}

.intelligence-layer-list p {
    max-width: 650px;
    margin: 0;
    color: var(--platform-muted);
    font-size: .94rem;
    line-height: 1.65;
}

.system-flow {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin: clamp(60px, 7vw, 94px) 0 0 180px;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--platform-line);
    border-bottom: 1px solid var(--platform-line);
}

.system-flow li {
    min-height: 280px;
    padding: 30px;
}

.system-flow li + li {
    border-left: 1px solid var(--platform-line);
}

.system-flow li > span {
    color: var(--platform-blue);
    font-size: .6rem;
    font-weight: 800;
    letter-spacing: .11em;
}

.system-flow strong {
    display: block;
    margin-top: 42px;
    font-size: .96rem;
    font-weight: 680;
}

.system-flow p {
    margin: 18px 0 0;
    color: var(--platform-muted);
    font-size: .85rem;
    line-height: 1.6;
}

.platform-provider-boundary {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
    gap: clamp(64px, 9vw, 150px);
}

.provider-boundary-heading {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 80px);
}

.provider-boundary-heading h2 {
    font-size: clamp(3rem, 5vw, 5.4rem);
}

.provider-boundary-copy {
    padding-top: 48px;
}

.provider-boundary-copy p {
    margin: 0;
    color: var(--platform-muted);
    font-size: clamp(1rem, 1.25vw, 1.15rem);
    line-height: 1.75;
}

.provider-boundary-copy p + p {
    margin-top: 28px;
}

.technical-disclosures {
    display: grid;
    margin: clamp(54px, 7vw, 90px) 0 0 180px;
    border-top: 1px solid var(--platform-line);
}

.technical-disclosures details {
    border-bottom: 1px solid var(--platform-line);
}

.technical-disclosures summary {
    min-height: 90px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 30px;
    cursor: pointer;
    list-style: none;
}

.technical-disclosures summary::-webkit-details-marker {
    display: none;
}

.technical-disclosures summary span {
    color: #e7eff3;
    font-size: 1rem;
    font-weight: 680;
}

.technical-disclosures summary small {
    color: var(--platform-soft);
    font-size: .68rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.technical-disclosures summary::after {
    content: "+";
    grid-column: 3;
    color: var(--platform-blue);
    font-size: 1.2rem;
    font-weight: 400;
}

.technical-disclosures details[open] summary::after {
    content: "−";
}

.technical-disclosures details > div {
    max-width: 800px;
    padding: 0 0 30px;
}

.technical-disclosures details p {
    margin: 0;
    color: var(--platform-muted);
    line-height: 1.7;
}

.platform-final {
    min-height: 76svh;
    display: grid;
    place-items: center;
    padding: 120px 32px;
    border-top: 1px solid var(--platform-line-soft);
    text-align: center;
    background:
        radial-gradient(
            circle at 50% 50%,
            rgba(48, 143, 181, .1),
            transparent 28rem
        );
}

.platform-final > div {
    width: min(980px, 100%);
}

.platform-final h2 {
    margin-inline: auto;
}

.platform-footer {
    width: min(var(--platform-max), calc(100% - 64px));
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    margin-inline: auto;
    border-top: 1px solid var(--platform-line-soft);
}

.platform-footer > div {
    display: grid;
    gap: 5px;
}

.platform-footer strong {
    font-size: .88rem;
    letter-spacing: .06em;
}

.platform-footer > div span {
    color: var(--platform-soft);
    font-size: .62rem;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.platform-footer nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.platform-footer nav a {
    color: #70818b;
    font-size: .7rem;
}

.platform-footer nav a:hover,
.platform-footer nav a:focus-visible {
    color: var(--platform-text);
}

@media (max-width: 1100px) {
    .platform-nav {
        grid-template-columns: 1fr auto;
    }

    .platform-nav-links {
        display: none;
    }

    .workspace-comparison,
    .intelligence-layer-list,
    .system-flow,
    .technical-disclosures {
        margin-left: 0;
    }

    .system-flow {
        grid-template-columns: 1fr;
    }

    .system-flow li {
        min-height: auto;
    }

    .system-flow li + li {
        border-top: 1px solid var(--platform-line);
        border-left: 0;
    }

    .platform-provider-boundary {
        grid-template-columns: 1fr;
    }

    .provider-boundary-copy {
        padding-top: 0;
    }
}

@media (max-width: 780px) {
    .platform-nav,
    .platform-section,
    .platform-footer {
        width: min(100% - 36px, var(--platform-max));
    }

    .platform-nav {
        min-height: 72px;
    }

    .platform-brand small {
        display: none;
    }

    .platform-hero {
        min-height: auto;
        padding: 126px 18px 88px;
    }

    .platform-hero h1 {
        font-size: clamp(3.3rem, 14vw, 5rem);
    }

    .platform-section {
        padding: 88px 0;
    }

    .platform-section-heading,
    .provider-boundary-heading {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .workspace-comparison {
        grid-template-columns: 1fr;
    }

    .workspace-comparison article {
        min-height: 360px;
    }

    .intelligence-layer-list article {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .technical-disclosures summary {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .technical-disclosures summary small {
        display: none;
    }

    .technical-disclosures summary::after {
        grid-column: 2;
    }

    .platform-footer {
        min-height: 170px;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}