.site-pseo {
    --pseo-ink: #171821;
    --pseo-muted: #666977;
    --pseo-primary: #5b5ce2;
    --pseo-primary-dark: #4748c7;
    --pseo-accent: #15966f;
    --pseo-line: #e1e2e9;
    --pseo-soft: #eeedff;
    --pseo-warm: #f1f7f5;
    background: #f6f7fb;
}

.site-pseo .site-main {
    width: min(100% - 2rem, 78rem);
    padding-block: 1rem 5rem;
}

.site-pseo .site-main::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.3;
    background-image: radial-gradient(#c5c6d2 0.65px, transparent 0.65px);
    background-size: 18px 18px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 42rem);
    content: "";
}

.site-pseo .site-main > article {
    display: grid;
    gap: clamp(3.5rem, 7vw, 7rem);
}

.pseo-nav,
.pseo-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pseo-nav {
    min-height: 4.75rem;
    border-bottom: 1px solid var(--pseo-line);
}

.pseo-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--pseo-ink);
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-decoration: none;
}

.pseo-nav nav,
.pseo-footer nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
}

.pseo-nav nav a,
.pseo-footer nav a {
    color: var(--pseo-muted);
    font-size: 0.8rem;
    font-weight: 750;
    text-decoration: none;
}

.pseo-nav nav a:hover,
.pseo-footer nav a:hover,
.pseo-arrow-link:hover {
    color: var(--pseo-primary);
}

.pseo-nav .pseo-nav__cta {
    border-radius: 0.72rem;
    padding: 0.65rem 0.9rem;
    color: #fff;
    background: var(--pseo-primary);
    box-shadow: 0 10px 25px rgb(91 92 226 / 17%);
}

.pseo-breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1.35rem;
    color: #858795;
    font-size: 0.7rem;
}

.pseo-breadcrumbs a {
    color: inherit;
    text-underline-offset: 0.2em;
}

.pseo-hero {
    position: relative;
    display: grid;
    min-height: min(38rem, 72vh);
    max-width: 70rem;
    align-content: center;
    padding-block: clamp(4rem, 9vw, 8rem);
}

.pseo-hero::after {
    position: absolute;
    top: 15%;
    right: 0;
    z-index: -1;
    width: 22rem;
    height: 22rem;
    border: 1px solid rgb(91 92 226 / 13%);
    border-radius: 50%;
    background: radial-gradient(circle, rgb(91 92 226 / 7%) 0%, transparent 68%);
    content: "";
}

.pseo-hero--hub {
    min-height: min(42rem, 78vh);
}

.pseo-hero--answer {
    min-height: min(36rem, 68vh);
    padding-bottom: clamp(2rem, 5vw, 4rem);
}

.pseo-eyebrow {
    width: fit-content;
    margin: 0 0 1rem;
    border-radius: 999px;
    padding: 0.42rem 0.68rem;
    color: var(--pseo-primary);
    background: var(--pseo-soft);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.pseo-hero h1 {
    max-width: 67rem;
    margin: 0;
    color: var(--pseo-ink);
    font-size: clamp(3rem, 7.3vw, 6.75rem);
    font-weight: 800;
    letter-spacing: -0.075em;
    line-height: 0.94;
}

.pseo-hero--answer h1 {
    font-size: clamp(2.7rem, 6.5vw, 5.9rem);
}

.pseo-lead {
    max-width: 50rem;
    margin: 1.55rem 0 0;
    color: var(--pseo-muted);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    line-height: 1.65;
}

.pseo-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.pseo-button {
    display: inline-flex;
    min-height: 3.1rem;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 0.78rem;
    padding: 0.78rem 1.15rem;
    font-size: 0.86rem;
    font-weight: 800;
    text-decoration: none;
    transition: transform 150ms ease, box-shadow 150ms ease;
}

.pseo-button:hover {
    transform: translateY(-2px);
}

.pseo-button--primary {
    color: #fff;
    background: var(--pseo-primary);
    box-shadow: 0 12px 28px rgb(91 92 226 / 20%);
}

.pseo-button--primary:hover {
    background: var(--pseo-primary-dark);
}

.pseo-button--secondary {
    border-color: var(--pseo-line);
    color: var(--pseo-ink);
    background: rgb(255 255 255 / 85%);
}

.pseo-button--light {
    color: #171821;
    background: #fff;
}

.pseo-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    max-width: 57rem;
    margin: 3rem 0 0;
    overflow: hidden;
    border: 1px solid var(--pseo-line);
    border-radius: 1rem;
    background: var(--pseo-line);
    box-shadow: 0 18px 50px rgb(34 35 53 / 5%);
}

.pseo-stats > div {
    padding: 1.35rem;
    background: rgb(255 255 255 / 88%);
}

.pseo-stats dt {
    color: var(--pseo-ink);
    font-size: clamp(1.7rem, 4vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1;
}

.pseo-stats dd {
    margin: 0.65rem 0 0;
    color: var(--pseo-muted);
    font-size: 0.74rem;
    line-height: 1.45;
}

.pseo-section {
    margin-top: clamp(3rem, 7vw, 7rem);
}

.pseo-section__intro {
    max-width: 50rem;
    margin-bottom: 2rem;
}

.pseo-section__intro h2,
.pseo-principle h2,
.pseo-answer h2,
.pseo-two-column h2,
.pseo-limit h2,
.pseo-evidence h2,
.pseo-cta h2 {
    margin: 0;
    color: var(--pseo-ink);
    font-size: clamp(2rem, 4vw, 3.75rem);
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 1.04;
}

.pseo-section__intro > p:last-child {
    color: var(--pseo-muted);
}

.pseo-family-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.pseo-family-card,
.pseo-question-card {
    border: 1px solid var(--pseo-line);
    border-radius: 1.05rem;
    padding: clamp(1.35rem, 3vw, 2.1rem);
    background: rgb(255 255 255 / 90%);
    box-shadow: 0 18px 50px rgb(34 35 53 / 5%);
    transition: transform 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.pseo-family-card:hover,
.pseo-question-card:hover {
    border-color: #c9c8f3;
    box-shadow: 0 22px 55px rgb(91 92 226 / 9%);
    transform: translateY(-3px);
}

.pseo-family-card__count {
    color: var(--pseo-accent);
    font-size: 0.66rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pseo-family-card h3,
.pseo-question-card h3 {
    margin: 0.9rem 0 0;
    font-size: clamp(1.35rem, 3vw, 2rem);
    line-height: 1.15;
}

.pseo-family-card h3 a,
.pseo-question-card h3 a {
    color: var(--pseo-ink);
    text-decoration: none;
}

.pseo-family-card p,
.pseo-question-card p {
    color: var(--pseo-muted);
}

.pseo-arrow-link {
    display: inline-flex;
    gap: 0.5rem;
    color: var(--pseo-primary);
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
}

.pseo-principle,
.pseo-evidence {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(1.5rem, 5vw, 5rem);
    margin-top: clamp(4rem, 8vw, 8rem);
    overflow: hidden;
    border-radius: 1.35rem;
    padding: clamp(1.75rem, 5vw, 4.25rem);
    background:
        radial-gradient(circle at 0 100%, rgb(91 92 226 / 38%), transparent 20rem),
        #171821;
    box-shadow: 0 28px 70px rgb(23 24 33 / 16%);
}

.pseo-principle::after,
.pseo-evidence::after {
    position: absolute;
    top: -7rem;
    right: -7rem;
    width: 19rem;
    height: 19rem;
    border: 1px solid rgb(255 255 255 / 10%);
    border-radius: 50%;
    content: "";
}

.pseo-principle h2,
.pseo-evidence h2 {
    color: #fff;
}

.pseo-principle > p,
.pseo-evidence > div:last-child {
    margin: 0;
    color: #c3c4cf;
    font-size: 1.02rem;
}

.pseo-evidence a {
    color: #83e0c3;
    font-size: 0.76rem;
}

.pseo-question-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.pseo-question-card h3 {
    margin-top: 0;
    font-size: 1.2rem;
}

.pseo-answer {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: clamp(1rem, 4vw, 3rem);
    max-width: 66rem;
    border-top: 1px solid var(--pseo-line);
    padding-top: 2rem;
}

.pseo-answer__marker {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border-radius: 0.85rem;
    color: var(--pseo-primary);
    background: var(--pseo-soft);
    font-size: 0.8rem;
    font-weight: 800;
}

.pseo-answer p:last-child {
    max-width: 56rem;
    color: var(--pseo-muted);
    font-size: 1.05rem;
}

.pseo-specifics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.pseo-specific-card {
    border: 1px solid var(--pseo-line);
    border-top: 3px solid var(--pseo-primary);
    border-radius: 1rem;
    padding: clamp(1.35rem, 3vw, 2.1rem);
    background: #fff;
}

.pseo-specific-card:nth-child(2) {
    border-top-color: var(--pseo-accent);
}

.pseo-specific-card:nth-child(3) {
    border-top-color: #9a7bdb;
}

.pseo-specific-card h2 {
    margin: 0;
    color: var(--pseo-ink);
    font-size: clamp(1.35rem, 2.5vw, 2rem);
    letter-spacing: -0.04em;
    line-height: 1.15;
}

.pseo-specific-card > p:last-child,
.pseo-specific-card li {
    color: var(--pseo-muted);
}

.pseo-specific-card ul {
    display: grid;
    gap: 0.65rem;
    margin: 1rem 0 0;
    padding-left: 1.15rem;
}

.pseo-configurator {
    border: 1px solid #d9e8e3;
    border-radius: 1.25rem;
    padding: clamp(1.35rem, 4vw, 3.25rem);
    background:
        radial-gradient(circle at 100% 0, rgb(35 184 138 / 9%), transparent 18rem),
        var(--pseo-warm);
}

.pseo-configurator__fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.pseo-configurator label {
    display: grid;
    gap: 0.5rem;
    color: #5e6965;
    font-size: 0.7rem;
    font-weight: 800;
}

.pseo-configurator select {
    width: 100%;
    min-height: 3rem;
    border: 1px solid #cfded9;
    border-radius: 0.72rem;
    padding: 0.6rem 2.2rem 0.6rem 0.8rem;
    color: var(--pseo-ink);
    background: #fff;
    font: inherit;
}

.pseo-configurator__result {
    margin: 1.5rem 0 0;
    border-left: 3px solid var(--pseo-primary);
    padding-left: 1rem;
    color: var(--pseo-ink);
    font-weight: 750;
}

.pseo-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--pseo-line);
    border-radius: 1rem;
    padding: 0;
    background: var(--pseo-line);
    list-style: none;
}

.pseo-steps li {
    min-height: 15rem;
    padding: 1.5rem;
    background: #fff;
}

.pseo-steps span {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border-radius: 0.65rem;
    color: var(--pseo-primary);
    background: var(--pseo-soft);
    font-size: 0.7rem;
    font-weight: 800;
}

.pseo-steps p {
    margin-top: 4rem;
    color: var(--pseo-ink);
    font-size: 0.92rem;
    font-weight: 750;
}

.pseo-two-column {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
    gap: 1rem;
}

.pseo-two-column > div,
.pseo-limit {
    border-radius: 1.05rem;
    padding: clamp(1.35rem, 4vw, 2.6rem);
}

.pseo-two-column > div {
    border: 1px solid var(--pseo-line);
    background: #fff;
}

.pseo-check-list {
    display: grid;
    gap: 0.7rem;
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
}

.pseo-check-list li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--pseo-muted);
}

.pseo-check-list li::before {
    position: absolute;
    top: 0.1rem;
    left: 0;
    color: var(--pseo-accent);
    content: "✓";
    font-weight: 800;
}

.pseo-limit {
    display: grid;
    align-content: start;
    gap: 1rem;
    color: #d2d3dd;
    background:
        radial-gradient(circle at 100% 100%, rgb(91 92 226 / 35%), transparent 14rem),
        #171821;
}

.pseo-limit h2 {
    color: #fff;
    font-size: clamp(1.5rem, 3vw, 2.3rem);
}

.pseo-limit p {
    margin: 0;
}

.pseo-limit a {
    color: #86e0c4;
}

.pseo-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.pseo-related-grid a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--pseo-line);
    border-radius: 0.85rem;
    padding: 1rem;
    color: var(--pseo-ink);
    background: #fff;
    font-size: 0.84rem;
    font-weight: 750;
    text-decoration: none;
}

.pseo-related-grid a:hover {
    border-color: #c9c8f3;
    color: var(--pseo-primary);
}

.pseo-cta {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    border-radius: 1.25rem;
    padding: clamp(1.75rem, 5vw, 4.25rem);
    color: #e0e0fc;
    background:
        radial-gradient(circle at 75% 20%, rgb(255 255 255 / 15%), transparent 18rem),
        var(--pseo-primary);
}

.pseo-cta h2 {
    max-width: 50rem;
    color: #fff;
}

.pseo-cta p:last-child {
    margin-bottom: 0;
}

.site-pseo .site-footer {
    padding-block: 1.5rem;
    background: #eaeaf0;
}

.pseo-footer {
    width: min(100%, 78rem);
    margin-inline: auto;
}

@media (max-width: 800px) {
    .pseo-nav {
        align-items: flex-start;
        padding-block: 1rem;
    }

    .pseo-nav nav a:not(.pseo-nav__cta) {
        display: none;
    }

    .pseo-stats,
    .pseo-family-grid,
    .pseo-question-grid,
    .pseo-principle,
    .pseo-evidence,
    .pseo-configurator__fields,
    .pseo-specifics,
    .pseo-steps,
    .pseo-two-column,
    .pseo-related-grid {
        grid-template-columns: 1fr;
    }

    .pseo-steps li {
        min-height: 0;
    }

    .pseo-steps p {
        margin-top: 1.5rem;
    }

    .pseo-answer {
        grid-template-columns: 1fr;
    }

    .pseo-cta {
        align-items: stretch;
        flex-direction: column;
    }

    .pseo-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}