:root {
    --ob-ink: #0b0b12;
    --ob-deep: #11111a;
    --ob-paper: #f3efe6;
    --ob-paper-soft: #e8e2d7;
    --ob-paper-bright: #fbf8f1;
    --ob-text: #f7f4ee;
    --ob-muted: #bbb9c5;
    --ob-ink-muted: #5a5661;
    --ob-rule-dark: rgba(247, 244, 238, 0.18);
    --ob-rule-paper: #c9c1b4;
    --ob-violet: #6748cf;
    --ob-violet-dark: #4f31b4;
    --ob-violet-soft: #e7e0fb;
    --ob-mint: #83ddb7;
    --ob-mint-dark: #176c50;
    --ob-danger: #8f3d4c;
    --ob-shell: 88rem;
}

.openbrain-page {
    margin: 0;
    background: var(--ob-ink);
    color: var(--ob-text);
    font-family: "Outfit", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
}

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

.openbrain-page main {
    display: block;
    min-width: 0;
}

.openbrain-page main :where(h1, h2, h3, p, ul, ol, dl, dd) {
    margin-top: 0;
}

.openbrain-page main :where(p, li, dd, span) {
    overflow-wrap: break-word;
}

.openbrain-page main :where(a, button):focus-visible {
    outline: 3px solid var(--ob-mint);
    outline-offset: 4px;
}

.openbrain-page .ob-demo :where(button):focus-visible {
    outline-color: var(--ob-mint-dark);
}

.openbrain-page main :where(button) {
    font: inherit;
}

.openbrain-page > .services-switcher-section {
    display: none;
}

.ob-shell {
    width: min(100%, var(--ob-shell));
    margin-inline: auto;
    padding-inline: clamp(1rem, 4vw, 4rem);
}

.ob-skip-link {
    position: fixed;
    z-index: 10000;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.8rem 1rem;
    color: var(--ob-ink);
    background: var(--ob-mint);
    border: 1px solid var(--ob-ink);
    transform: translateY(-160%);
    transition: transform 180ms ease-out;
}

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

.ob-hero {
    min-height: 100svh;
    padding-block: clamp(7.5rem, 12vh, 9rem) clamp(4rem, 8vh, 6rem);
    background: var(--ob-ink);
}

.ob-hero__grid {
    display: grid;
    grid-template-columns: minmax(18rem, 0.82fr) minmax(38rem, 1.38fr);
    gap: clamp(2.5rem, 5vw, 5.5rem);
    align-items: center;
}

.ob-hero__copy {
    min-width: 0;
}

.ob-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 2.6rem;
    color: var(--ob-muted);
    font-size: 0.875rem;
}

.ob-breadcrumb a {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--ob-text);
    text-underline-offset: 0.3em;
}

.ob-kicker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.2rem;
    color: var(--ob-mint);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ob-hero h1 {
    max-width: 9.8ch;
    margin-bottom: 1.6rem;
    font-size: clamp(3rem, 5.7vw, 5.75rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 0.98;
    text-wrap: balance;
}

.ob-hero h1 span {
    color: var(--ob-mint);
}

.ob-hero__lead {
    max-width: 61ch;
    margin-bottom: 1.8rem;
    color: #d2d0d8;
    font-size: clamp(1.02rem, 1.35vw, 1.16rem);
    line-height: 1.72;
}

.ob-demo-note {
    display: grid;
    gap: 0.35rem;
    max-width: 38rem;
    margin-bottom: 1.8rem;
    padding: 1rem 1.1rem;
    border-block: 1px solid var(--ob-rule-dark);
}

.ob-demo-note strong {
    color: var(--ob-text);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ob-demo-note span {
    color: var(--ob-muted);
    font-size: 0.92rem;
}

.ob-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.ob-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.15rem;
    border: 1px solid currentColor;
    border-radius: 4px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition: color 180ms ease-out, background-color 180ms ease-out, border-color 180ms ease-out;
}

.ob-button--primary {
    color: #fff;
    background: var(--ob-violet-dark);
    border-color: var(--ob-violet-dark);
}

.ob-button--primary:hover {
    color: var(--ob-ink);
    background: var(--ob-mint);
    border-color: var(--ob-mint);
}

.ob-button--quiet {
    color: var(--ob-text);
    background: transparent;
    border-color: var(--ob-rule-dark);
}

.ob-button--quiet:hover {
    border-color: var(--ob-text);
}

.ob-demo {
    min-width: 0;
    color: #1a1820;
    background: var(--ob-paper);
    border: 1px solid #fff;
}

.ob-demo__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--ob-rule-paper);
}

.ob-demo__header p,
.ob-demo__header > span,
.ob-source-sheet > span,
.ob-source-question > span,
.ob-demo__panel > p {
    margin-bottom: 0.25rem;
    color: var(--ob-violet-dark);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.ob-demo__header h2 {
    margin-bottom: 0;
    font-size: clamp(1.2rem, 2vw, 1.55rem);
    line-height: 1.2;
}

.ob-demo__header > span {
    flex: 0 0 auto;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    margin: 0;
    padding-inline: 0.65rem;
    color: var(--ob-danger);
    border: 1px solid currentColor;
}

.ob-source-strip {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    border-bottom: 1px solid var(--ob-rule-paper);
}

.ob-source-sheet,
.ob-source-question {
    min-width: 0;
    padding: 1.05rem 1.25rem;
}

.ob-source-sheet {
    position: relative;
    border-right: 1px solid var(--ob-rule-paper);
    background: var(--ob-paper-bright);
}

.ob-source-sheet::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 1.25rem;
    height: 1.25rem;
    background: var(--ob-paper-soft);
    border-left: 1px solid var(--ob-rule-paper);
    border-bottom: 1px solid var(--ob-rule-paper);
}

.ob-source-sheet h3 {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: baseline;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.ob-source-sheet h3 small {
    color: var(--ob-ink-muted);
    font-size: 0.75rem;
    font-weight: 500;
}

.ob-source-sheet p,
.ob-source-question p {
    max-width: 54ch;
    margin-bottom: 0;
    color: #34313a;
    font-size: 0.9rem;
    line-height: 1.5;
}

.ob-source-question {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ob-source-question > span {
    color: var(--ob-mint-dark);
}

.ob-ribbon {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin: 0;
    padding: 1rem 0.75rem 0.9rem;
    list-style: none;
    border-bottom: 1px solid var(--ob-rule-paper);
}

.ob-ribbon::before {
    content: "";
    position: absolute;
    z-index: 0;
    top: 2.45rem;
    right: 10%;
    left: 10%;
    height: 2px;
    background: var(--ob-rule-paper);
}

.ob-ribbon li {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.ob-ribbon button {
    width: 100%;
    min-height: 116px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    padding: 0.55rem;
    color: #24212a;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 2px;
    cursor: default;
    text-align: left;
    transition: background-color 180ms ease-out, border-color 180ms ease-out;
}

.ob-demo[data-ob-enhanced] .ob-ribbon button {
    cursor: pointer;
}

.ob-demo[data-ob-enhanced] .ob-ribbon button:hover {
    background: var(--ob-paper-bright);
    border-color: var(--ob-rule-paper);
}

.ob-ribbon__number {
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.2rem;
    color: #3b3643;
    background: var(--ob-paper);
    border: 1px solid #3b3643;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.ob-ribbon strong {
    font-size: 0.88rem;
    line-height: 1.25;
}

.ob-ribbon small {
    color: var(--ob-ink-muted);
    font-size: 0.75rem;
    line-height: 1.25;
}

.ob-ribbon li.is-complete .ob-ribbon__number {
    color: var(--ob-ink);
    background: var(--ob-mint);
    border-color: var(--ob-mint-dark);
}

.ob-ribbon li.is-active button {
    background: var(--ob-violet-soft);
    border-color: var(--ob-violet);
}

.ob-ribbon li.is-active .ob-ribbon__number {
    color: #fff;
    background: var(--ob-violet-dark);
    border-color: var(--ob-violet-dark);
}

.ob-demo__panels {
    background: var(--ob-paper-bright);
}

.ob-demo__panel {
    display: grid;
    grid-template-columns: minmax(7rem, 0.34fr) minmax(0, 1fr);
    column-gap: 1.1rem;
    min-height: 9.5rem;
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--ob-rule-paper);
}

.ob-demo[data-ob-enhanced] .ob-demo__panel[hidden] {
    display: none;
}

.ob-demo__panel > p {
    grid-row: 1 / span 3;
    margin-bottom: 0;
}

.ob-demo__panel h3 {
    margin-bottom: 0.35rem;
    font-size: clamp(1.1rem, 1.7vw, 1.35rem);
    line-height: 1.25;
}

.ob-demo__panel > span {
    max-width: 62ch;
    color: #3c3842;
    font-size: 0.92rem;
}

.ob-demo__panel em {
    align-self: end;
    margin-top: 0.6rem;
    color: var(--ob-mint-dark);
    font-size: 0.82rem;
    font-style: normal;
    font-weight: 600;
}

.ob-demo__controls {
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.55rem 0.75rem 0.55rem 1.25rem;
}

.ob-demo__controls p {
    margin-bottom: 0;
    color: var(--ob-ink-muted);
    font-size: 0.8rem;
}

.ob-demo__next {
    min-height: 44px;
    padding: 0.6rem 0.85rem;
    color: #fff;
    background: var(--ob-violet-dark);
    border: 1px solid var(--ob-violet-dark);
    border-radius: 3px;
    cursor: pointer;
}

.ob-demo__next:hover {
    color: var(--ob-ink);
    background: var(--ob-mint);
    border-color: var(--ob-mint-dark);
}

.ob-why,
.ob-technical,
.ob-proof {
    color: #1c1921;
    background: var(--ob-paper);
}

.ob-why {
    padding-block: clamp(5rem, 10vw, 9rem);
    border-top: 1px solid #fff;
}

.ob-why__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: start;
}

.ob-why h2,
.ob-section-heading h2,
.ob-boundaries h2,
.ob-technical h2,
.ob-proof > .ob-shell > h2,
.ob-next h2 {
    font-size: clamp(2.3rem, 4.7vw, 4.75rem);
    letter-spacing: -0.04em;
    line-height: 1.02;
    text-wrap: balance;
}

.ob-why h2 {
    max-width: 10ch;
    margin-bottom: 0;
}

.ob-why h2 span {
    color: var(--ob-violet-dark);
}

.ob-why__copy > p {
    max-width: 58ch;
    margin-bottom: 2.5rem;
    color: #403b45;
    font-size: clamp(1.08rem, 1.6vw, 1.35rem);
    line-height: 1.65;
}

.ob-principles {
    margin: 0;
    border-top: 1px solid var(--ob-rule-paper);
}

.ob-principles div {
    display: grid;
    grid-template-columns: minmax(7rem, 0.34fr) minmax(0, 1fr);
    gap: 1rem;
    padding-block: 1rem;
    border-bottom: 1px solid var(--ob-rule-paper);
}

.ob-principles dt {
    color: var(--ob-violet-dark);
    font-weight: 700;
}

.ob-principles dd {
    margin: 0;
    color: #4d4852;
}

.ob-decisions-section {
    padding-block: clamp(5rem, 10vw, 9rem);
    background: var(--ob-deep);
}

.ob-section-heading {
    display: grid;
    grid-template-columns: minmax(9rem, 0.28fr) minmax(0, 0.82fr) minmax(16rem, 0.55fr);
    gap: clamp(1.5rem, 4vw, 4.5rem);
    align-items: end;
    margin-bottom: 4rem;
}

.ob-section-heading > p,
.ob-technical header > p,
.ob-next__grid > div > p {
    margin-bottom: 0;
    color: var(--ob-mint);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.ob-section-heading h2 {
    max-width: 12ch;
    margin-bottom: 0;
    color: var(--ob-text);
}

.ob-section-heading > span {
    max-width: 48ch;
    color: var(--ob-muted);
}

.ob-decisions {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--ob-rule-dark);
}

.ob-decisions > li {
    display: grid;
    grid-template-columns: 4.5rem minmax(12rem, 0.55fr) minmax(0, 1.45fr);
    gap: clamp(1rem, 3vw, 3rem);
    align-items: start;
    padding-block: 1.6rem;
    border-bottom: 1px solid var(--ob-rule-dark);
}

.ob-decisions > li > span {
    color: var(--ob-mint);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.ob-decisions h3 {
    margin-bottom: 0;
    color: var(--ob-text);
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    line-height: 1.25;
}

.ob-decisions dl {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 0;
}

.ob-decisions dl div {
    padding-left: 1rem;
    border-left: 1px solid var(--ob-rule-dark);
}

.ob-decisions dt {
    margin-bottom: 0.35rem;
    color: var(--ob-mint);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ob-decisions dd {
    margin: 0;
    color: var(--ob-muted);
    font-size: 0.92rem;
}

.ob-boundaries {
    padding-block: clamp(5rem, 9vw, 8rem);
    color: var(--ob-text);
    background: var(--ob-ink);
    border-top: 1px solid var(--ob-rule-dark);
}

.ob-boundaries__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(3rem, 8vw, 8rem);
}

.ob-boundaries h2 {
    max-width: 11ch;
    margin-bottom: 1.5rem;
}

.ob-boundaries__grid > div > p {
    max-width: 42ch;
    color: var(--ob-muted);
}

.ob-boundaries ul {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--ob-rule-dark);
}

.ob-boundaries li {
    display: grid;
    grid-template-columns: minmax(10rem, 0.45fr) minmax(0, 1fr);
    gap: 1.25rem;
    padding-block: 1.2rem;
    border-bottom: 1px solid var(--ob-rule-dark);
}

.ob-boundaries li strong {
    color: var(--ob-mint);
}

.ob-boundaries li span {
    color: var(--ob-muted);
}

.ob-technical {
    padding-block: clamp(5rem, 10vw, 9rem);
}

.ob-technical__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(3rem, 8vw, 8rem);
}

.ob-technical header > p {
    margin-bottom: 1.1rem;
    color: var(--ob-violet-dark);
}

.ob-technical h2 {
    max-width: 11ch;
    margin-bottom: 0;
}

.ob-technical__body > p {
    max-width: 63ch;
    color: #443f49;
    font-size: 1.05rem;
}

.ob-technical__body > p + p {
    margin-top: 1.2rem;
}

.ob-technical__body ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 2rem 0 0;
    padding: 1.2rem 0 0;
    list-style: none;
    border-top: 1px solid var(--ob-rule-paper);
}

.ob-technical__body li {
    padding: 0.45rem 0.7rem;
    color: #2f2938;
    background: var(--ob-paper-bright);
    border: 1px solid var(--ob-rule-paper);
    font-size: 0.82rem;
    font-weight: 600;
}

.ob-proof {
    padding-block: clamp(5rem, 9vw, 8rem);
    background: var(--ob-paper-soft);
    border-top: 1px solid var(--ob-rule-paper);
}

.ob-proof > .ob-shell > h2 {
    max-width: 13ch;
    margin-bottom: 3rem;
}

.ob-proof__ledger {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border: 1px solid var(--ob-rule-paper);
    background: var(--ob-paper-bright);
}

.ob-proof__ledger section {
    min-width: 0;
    padding: clamp(1.5rem, 4vw, 3rem);
}

.ob-proof__ledger section + section {
    border-left: 1px solid var(--ob-rule-paper);
}

.ob-proof__ledger h3 {
    margin-bottom: 1.4rem;
    color: var(--ob-violet-dark);
    font-size: clamp(1.4rem, 2vw, 1.8rem);
}

.ob-proof__ledger ul {
    margin: 0;
    padding-left: 1.15rem;
}

.ob-proof__ledger li {
    padding-block: 0.5rem;
    color: #49434e;
}

.ob-next {
    padding-block: clamp(5rem, 9vw, 8rem);
    background: var(--ob-deep);
    border-top: 1px solid var(--ob-rule-dark);
}

.ob-next__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: end;
}

.ob-next__grid > div > p {
    margin-bottom: 1rem;
}

.ob-next h2 {
    max-width: 14ch;
    margin-bottom: 0;
}

.ob-next__grid > div + div > p {
    max-width: 50ch;
    color: var(--ob-muted);
    font-size: 1.05rem;
}

@media (max-width: 1100px) {
    .ob-hero {
        min-height: 0;
    }

    .ob-hero__grid,
    .ob-why__grid,
    .ob-boundaries__grid,
    .ob-technical__grid,
    .ob-next__grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .ob-hero__copy {
        max-width: 50rem;
    }

    .ob-hero h1 {
        max-width: 11ch;
    }

    .ob-ribbon {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.65rem;
    }

    .ob-ribbon::before {
        display: none;
    }

    .ob-ribbon li:last-child {
        grid-column: 1 / -1;
    }

    .ob-ribbon button {
        min-height: 92px;
        display: grid;
        grid-template-columns: 2rem minmax(0, 1fr);
        grid-template-rows: auto auto;
        column-gap: 0.7rem;
        align-items: center;
        border-color: var(--ob-rule-paper);
    }

    .ob-ribbon__number {
        grid-row: 1 / span 2;
        margin: 0;
    }

    .ob-ribbon small {
        grid-column: 2;
    }

    .ob-section-heading {
        grid-template-columns: minmax(0, 0.34fr) minmax(0, 1fr);
    }

    .ob-section-heading > span {
        grid-column: 2;
    }

    .ob-decisions > li {
        grid-template-columns: 3.5rem minmax(0, 1fr);
    }

    .ob-decisions dl {
        grid-column: 2;
    }

    .ob-next__grid {
        align-items: start;
    }
}

@media (min-width: 1600px) {
    .ob-hero__grid {
        grid-template-columns: minmax(31rem, 0.9fr) minmax(0, 1.1fr);
        gap: 4rem;
    }

    .ob-hero h1 {
        max-width: 11ch;
        font-size: 5.25rem;
    }
}

@media (max-width: 700px) {
    .ob-hero {
        padding-top: 6.5rem;
    }

    .ob-breadcrumb {
        margin-bottom: 1.8rem;
    }

    .ob-hero h1 {
        max-width: 10.5ch;
        font-size: clamp(2.7rem, 14vw, 4.1rem);
    }

    .ob-actions,
    .ob-demo__header,
    .ob-demo__controls {
        align-items: stretch;
        flex-direction: column;
    }

    .ob-button {
        width: 100%;
    }

    .ob-demo__header > span {
        align-self: flex-start;
    }

    .ob-source-strip {
        grid-template-columns: minmax(0, 1fr);
    }

    .ob-source-sheet {
        border-right: 0;
        border-bottom: 1px solid var(--ob-rule-paper);
    }

    .ob-ribbon {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
        padding-block: 0;
    }

    .ob-ribbon li:last-child {
        grid-column: auto;
    }

    .ob-ribbon button {
        min-height: 76px;
        border-width: 0 0 1px;
        border-radius: 0;
    }

    .ob-ribbon li.is-active button {
        border-color: var(--ob-violet);
    }

    .ob-demo__panel {
        grid-template-columns: minmax(0, 1fr);
        min-height: 0;
    }

    .ob-demo__panel > p {
        grid-row: auto;
        margin-bottom: 0.5rem;
    }

    .ob-demo__controls {
        padding: 0.85rem;
    }

    .ob-demo__next {
        width: 100%;
    }

    .ob-why h2,
    .ob-section-heading h2,
    .ob-boundaries h2,
    .ob-technical h2,
    .ob-proof > .ob-shell > h2,
    .ob-next h2 {
        font-size: clamp(2.15rem, 11vw, 3.35rem);
    }

    .ob-principles div,
    .ob-boundaries li {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.35rem;
    }

    .ob-section-heading {
        grid-template-columns: minmax(0, 1fr);
        margin-bottom: 2.5rem;
    }

    .ob-section-heading > span {
        grid-column: auto;
    }

    .ob-decisions > li {
        grid-template-columns: 2.5rem minmax(0, 1fr);
        gap: 0.75rem;
    }

    .ob-decisions dl {
        grid-column: 1 / -1;
        grid-template-columns: minmax(0, 1fr);
    }

    .ob-decisions dl div {
        padding: 0.85rem 0 0;
        border-top: 1px solid var(--ob-rule-dark);
        border-left: 0;
    }

    .ob-proof__ledger {
        grid-template-columns: minmax(0, 1fr);
    }

    .ob-proof__ledger section + section {
        border-top: 1px solid var(--ob-rule-paper);
        border-left: 0;
    }
}

@media (max-width: 420px) {
    .ob-shell {
        padding-inline: 1rem;
    }

    .ob-hero {
        padding-top: 6rem;
    }

    .ob-hero__grid {
        gap: 2.5rem;
    }

    .ob-hero h1 {
        font-size: clamp(2.45rem, 13vw, 3.2rem);
    }

    .ob-demo__header,
    .ob-source-sheet,
    .ob-source-question,
    .ob-demo__panel {
        padding-inline: 0.9rem;
    }

    .ob-kicker {
        letter-spacing: 0.08em;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ob-skip-link,
    .ob-button,
    .ob-ribbon button {
        transition-duration: 0.01ms;
    }

    .openbrain-page {
        scroll-behavior: auto;
    }
}