:root {
    --seo-accent: #2f6fed;
    --seo-accent-strong: #194eb5;
    --seo-background: #f6f7fb;
    --seo-border: rgba(31, 41, 55, .12);
    --seo-copy: #405064;
    --seo-muted: #657286;
    --seo-panel: rgba(255, 255, 255, .9);
    --seo-panel-strong: #ffffff;
    --seo-shadow: 0 18px 48px rgba(31, 41, 55, .12);
    --seo-title: #172033;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--seo-title);
    background:
        linear-gradient(140deg, rgba(47, 111, 237, .11), rgba(255, 255, 255, 0) 38%),
        linear-gradient(180deg, #ffffff 0%, var(--seo-background) 46%, #edf2f8 100%);
}

a {
    color: inherit;
}

.seo-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    width: 100%;
    padding: 14px clamp(18px, 4vw, 56px);
    border-bottom: 1px solid var(--seo-border);
    background: rgba(255, 255, 255, .86);
    backdrop-filter: blur(14px);
}

.seo-brand,
.seo-nav__links,
.seo-footer__links {
    display: flex;
    align-items: center;
}

.seo-brand {
    gap: 10px;
    color: var(--seo-title);
    font-weight: 800;
    text-decoration: none;
}

.seo-brand img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
}

.seo-nav__links,
.seo-footer__links {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 16px;
}

.seo-nav__links a,
.seo-footer__links a {
    color: var(--seo-copy);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.seo-nav__links a:hover,
.seo-nav__links a:focus-visible,
.seo-footer__links a:hover,
.seo-footer__links a:focus-visible {
    color: var(--seo-accent-strong);
    text-decoration: underline;
}

.seo-main {
    width: min(1120px, calc(100% - 36px));
    margin: 0 auto;
    padding: 54px 0 72px;
}

.seo-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
    gap: clamp(28px, 6vw, 72px);
    align-items: center;
    padding: clamp(30px, 5vw, 56px);
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    background: var(--seo-panel);
    box-shadow: var(--seo-shadow);
}

.seo-hero--hub {
    grid-template-columns: minmax(0, 1.1fr) minmax(240px, .8fr);
}

.seo-eyebrow {
    margin: 0 0 14px;
    color: var(--seo-accent-strong);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.seo-hero h1,
.seo-section h2,
.seo-final h2 {
    margin: 0;
    color: var(--seo-title);
    letter-spacing: 0;
}

.seo-hero h1 {
    max-width: 780px;
    font-size: clamp(34px, 6vw, 58px);
    line-height: 1.03;
}

.seo-lede {
    max-width: 760px;
    margin: 18px 0 0;
    color: var(--seo-copy);
    font-size: clamp(18px, 2.3vw, 22px);
    line-height: 1.55;
}

.seo-actions,
.seo-pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.seo-button,
.seo-link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 8px;
    font-weight: 800;
    text-decoration: none;
}

.seo-button {
    background: var(--seo-accent);
    color: #ffffff;
    box-shadow: 0 12px 28px rgba(47, 111, 237, .24);
}

.seo-link-button {
    border: 1px solid var(--seo-border);
    background: var(--seo-panel-strong);
    color: var(--seo-title);
}

.seo-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid rgba(47, 111, 237, .2);
    border-radius: 8px;
    background: rgba(47, 111, 237, .08);
    color: var(--seo-accent-strong);
    font-size: 13px;
    font-weight: 800;
}

.seo-visual {
    align-self: stretch;
    display: grid;
    place-items: center;
    min-height: 280px;
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    background:
        linear-gradient(150deg, rgba(47, 111, 237, .15), rgba(20, 184, 166, .12)),
        var(--seo-panel-strong);
}

.seo-visual img {
    width: min(190px, 70%);
    height: auto;
    border-radius: 28px;
    box-shadow: 0 18px 44px rgba(31, 41, 55, .18);
}

.seo-metric {
    margin-top: -36px;
    padding: 12px 16px;
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    background: rgba(255, 255, 255, .92);
    text-align: center;
    box-shadow: 0 12px 30px rgba(31, 41, 55, .12);
}

.seo-metric span,
.seo-card__meta {
    display: block;
    color: var(--seo-muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.seo-metric strong {
    display: block;
    margin-top: 4px;
    font-size: 28px;
}

.seo-section,
.seo-final {
    margin-top: 34px;
    padding: clamp(24px, 4vw, 38px);
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    background: var(--seo-panel);
}

.seo-section h2,
.seo-final h2 {
    max-width: 780px;
    font-size: clamp(25px, 3.6vw, 36px);
    line-height: 1.12;
}

.seo-section__intro {
    max-width: 760px;
    margin: 12px 0 0;
    color: var(--seo-copy);
    font-size: 17px;
    line-height: 1.65;
}

.seo-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.seo-group-heading {
    grid-column: 1 / -1;
    margin: 16px 0 0;
    color: var(--seo-title);
    font-size: 18px;
    font-weight: 900;
}

.seo-group-heading:first-child {
    margin-top: 0;
}

.seo-card,
.seo-step,
.seo-use-card {
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    background: var(--seo-panel-strong);
}

.seo-card,
.seo-use-card {
    padding: 20px;
}

.seo-card h3,
.seo-use-card h2,
.seo-step h3 {
    margin: 8px 0 8px;
    color: var(--seo-title);
    font-size: 19px;
    line-height: 1.25;
}

.seo-card p,
.seo-use-card p,
.seo-step p,
.seo-final p {
    margin: 0;
    color: var(--seo-copy);
    line-height: 1.62;
}

.seo-use-card a,
.seo-related a {
    color: var(--seo-title);
    text-decoration: none;
}

.seo-use-card a:hover,
.seo-use-card a:focus-visible,
.seo-related a:hover,
.seo-related a:focus-visible {
    color: var(--seo-accent-strong);
    text-decoration: underline;
}

.seo-steps {
    display: grid;
    gap: 14px;
    margin-top: 24px;
    counter-reset: seo-step;
}

.seo-step {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    padding: 18px;
    counter-increment: seo-step;
}

.seo-step::before {
    content: counter(seo-step);
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: var(--seo-accent);
    color: #ffffff;
    font-weight: 900;
}

.seo-related {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.seo-related a {
    display: block;
    padding: 14px 16px;
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    background: var(--seo-panel-strong);
    font-weight: 800;
}

.seo-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    width: min(1120px, calc(100% - 36px));
    margin: 0 auto;
    padding: 22px 0 36px;
    color: var(--seo-muted);
    font-size: 14px;
}

@media (max-width: 860px) {
    .seo-nav,
    .seo-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .seo-nav__links,
    .seo-footer__links {
        justify-content: flex-start;
    }

    .seo-hero,
    .seo-hero--hub,
    .seo-card-grid,
    .seo-related {
        grid-template-columns: 1fr;
    }

    .seo-visual {
        min-height: 220px;
    }
}

@media (max-width: 520px) {
    .seo-main {
        width: min(100% - 24px, 1120px);
        padding-top: 28px;
    }

    .seo-hero,
    .seo-section,
    .seo-final {
        padding: 22px;
    }

    .seo-actions a {
        width: 100%;
    }

    .seo-step {
        grid-template-columns: 1fr;
    }
}