:root {
    --seo-bg: #09090b;
    --seo-bg-2: #111113;
    --seo-panel: rgba(24, 27, 36, 0.74);
    --seo-panel-strong: rgba(31, 35, 46, 0.86);
    --seo-border: rgba(255, 255, 255, 0.12);
    --seo-border-strong: rgba(255, 255, 255, 0.18);
    --seo-text: #f8fafc;
    --seo-secondary: #d4d4d8;
    --seo-muted: #a1a7b3;
    --seo-faint: #747b88;
    --seo-accent: #a78bfa;
    --seo-blue: #60a5fa;
    --seo-green: #34d399;
    --seo-amber: #fbbf24;
    --seo-shadow: 0 28px 90px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.seo-page {
    min-height: 100vh;
    margin: 0;
    color: var(--seo-text);
    background:
        radial-gradient(circle at 50% -12%, rgba(124, 58, 237, 0.16), transparent 34rem),
        radial-gradient(circle at 84% 16%, rgba(52, 211, 153, 0.10), transparent 28rem),
        linear-gradient(180deg, var(--seo-bg) 0%, var(--seo-bg-2) 48%, var(--seo-bg) 100%);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

.seo-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.seo-nav {
    position: sticky;
    top: 14px;
    z-index: 20;
    width: min(1180px, calc(100% - 32px));
    margin: 14px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 64px;
    padding: 10px 14px 10px 16px;
    border-radius: 22px;
    background: rgba(12, 12, 14, 0.72);
    border: 1px solid var(--seo-border);
    box-shadow: var(--seo-shadow);
    backdrop-filter: blur(26px) saturate(150%);
    -webkit-backdrop-filter: blur(26px) saturate(150%);
}

.seo-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--seo-text);
    font-weight: 860;
    text-decoration: none;
    letter-spacing: -0.03em;
}

.seo-logo {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 13px;
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.95), rgba(52, 211, 153, 0.72));
    box-shadow: 0 14px 28px rgba(124, 58, 237, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.seo-logo::after {
    content: "";
    width: 14px;
    height: 14px;
    border-radius: 7px;
    border: 2px solid rgba(255, 255, 255, 0.9);
}

.seo-nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.seo-nav-links a {
    color: var(--seo-muted);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
}

.seo-nav-links a:hover {
    color: var(--seo-text);
}

.seo-button,
.seo-button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.seo-button {
    color: #fff;
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.34), 0 0 24px rgba(124, 58, 237, 0.28);
}

.seo-button-secondary {
    color: var(--seo-secondary);
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid var(--seo-border);
}

.seo-hero {
    position: relative;
    padding: clamp(72px, 12vw, 128px) 0 54px;
}

.seo-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.72fr);
    gap: clamp(24px, 5vw, 64px);
    align-items: center;
}

.seo-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 11px;
    border-radius: 999px;
    color: var(--seo-green);
    background: rgba(52, 211, 153, 0.10);
    border: 1px solid rgba(52, 211, 153, 0.18);
    font-size: 0.72rem;
    font-weight: 860;
    letter-spacing: 0.10em;
    text-transform: uppercase;
}

.seo-hero h1,
.seo-section-head h2,
.seo-copy h2 {
    margin: 18px 0 0;
    color: var(--seo-text);
    font-weight: 900;
    letter-spacing: -0.045em;
    line-height: 1.02;
}

.seo-hero h1 {
    max-width: 880px;
    font-size: clamp(2.85rem, 8vw, 6.3rem);
}

.seo-hero p,
.seo-section-head p,
.seo-copy p {
    color: var(--seo-muted);
    line-height: 1.72;
}

.seo-hero p {
    max-width: 780px;
    margin: 22px 0 0;
    font-size: clamp(1rem, 2vw, 1.18rem);
}

.seo-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

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

.seo-proof {
    min-height: 128px;
    padding: 18px;
    border-radius: 22px;
    background: var(--seo-panel);
    border: 1px solid var(--seo-border);
    box-shadow: var(--seo-shadow);
    backdrop-filter: blur(26px) saturate(150%);
    -webkit-backdrop-filter: blur(26px) saturate(150%);
}

.seo-proof span {
    color: var(--seo-faint);
    font-size: 0.7rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.seo-proof strong {
    display: block;
    margin-top: 16px;
    color: var(--seo-text);
    font-size: clamp(1.35rem, 3vw, 2rem);
    font-weight: 900;
    letter-spacing: -0.04em;
}

.seo-proof small {
    display: block;
    margin-top: 6px;
    color: var(--seo-muted);
    line-height: 1.45;
}

.seo-section {
    padding: 52px 0;
}

.seo-section-head {
    max-width: 790px;
    margin-bottom: 28px;
}

.seo-section-head.center {
    margin-inline: auto;
    text-align: center;
}

.seo-section-head h2,
.seo-copy h2 {
    font-size: clamp(2rem, 4.8vw, 4rem);
}

.seo-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.seo-card,
.seo-panel,
.seo-table-wrap,
.seo-faq details {
    background: var(--seo-panel);
    border: 1px solid var(--seo-border);
    box-shadow: var(--seo-shadow);
    backdrop-filter: blur(26px) saturate(150%);
    -webkit-backdrop-filter: blur(26px) saturate(150%);
}

.seo-card {
    min-height: 212px;
    padding: 22px;
    border-radius: 22px;
}

.seo-card .material-symbols-outlined,
.seo-mini-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    color: var(--seo-green);
    background: rgba(52, 211, 153, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.10);
    font-size: 22px;
}

.seo-card:nth-child(2n) .material-symbols-outlined,
.seo-card:nth-child(2n) .seo-mini-icon {
    color: var(--seo-blue);
    background: rgba(96, 165, 250, 0.10);
}

.seo-card:nth-child(3n) .material-symbols-outlined,
.seo-card:nth-child(3n) .seo-mini-icon {
    color: var(--seo-accent);
    background: rgba(167, 139, 250, 0.11);
}

.seo-card h3 {
    margin: 18px 0 0;
    color: var(--seo-text);
    font-size: 1.06rem;
    font-weight: 850;
    line-height: 1.25;
}

.seo-card p {
    margin: 10px 0 0;
    color: var(--seo-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

.seo-table-wrap {
    overflow-x: auto;
    border-radius: 24px;
}

.seo-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.seo-table th,
.seo-table td {
    padding: 17px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    text-align: left;
    vertical-align: top;
}

.seo-table th {
    color: var(--seo-text);
    background: rgba(255, 255, 255, 0.055);
    font-size: 0.74rem;
    font-weight: 860;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.seo-table td {
    color: var(--seo-muted);
    font-size: 0.92rem;
    line-height: 1.55;
}

.seo-table td strong {
    display: block;
    margin-bottom: 5px;
    color: var(--seo-text);
}

.seo-table tr:last-child td {
    border-bottom: 0;
}

.seo-split {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 18px;
    align-items: stretch;
}

.seo-panel {
    position: relative;
    overflow: hidden;
    border-radius: 26px;
    padding: clamp(22px, 4vw, 36px);
}

.seo-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at 76% 36%, #000 0%, transparent 70%);
    pointer-events: none;
}

.seo-panel > * {
    position: relative;
    z-index: 1;
}

.seo-list {
    display: grid;
    gap: 12px;
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.seo-list li {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 11px;
    align-items: start;
    color: var(--seo-muted);
    line-height: 1.55;
}

.seo-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    margin-top: 9px;
    border-radius: 999px;
    background: var(--seo-green);
    box-shadow: 0 0 16px rgba(52, 211, 153, 0.5);
}

.seo-steps {
    display: grid;
    gap: 12px;
}

.seo-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px;
    min-height: 104px;
    padding: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.10);
}

.seo-step b {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 12px;
    color: #07110d;
    background: var(--seo-green);
    font-size: 0.82rem;
}

.seo-step h3 {
    margin: 0;
    color: var(--seo-text);
    font-size: 1rem;
}

.seo-step p {
    margin: 7px 0 0;
    color: var(--seo-muted);
    font-size: 0.9rem;
    line-height: 1.56;
}

.seo-code {
    display: block;
    overflow-x: auto;
    margin: 16px 0 0;
    padding: 16px;
    border-radius: 16px;
    color: #d1fae5;
    background: rgba(0, 0, 0, 0.36);
    border: 1px solid rgba(255, 255, 255, 0.09);
    font-family: "SF Mono", Consolas, monospace;
    font-size: 0.86rem;
    line-height: 1.6;
}

.seo-resource-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.seo-resource {
    min-height: 138px;
    padding: 18px;
    border-radius: 20px;
    color: var(--seo-secondary);
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid var(--seo-border);
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.seo-resource:hover {
    transform: translateY(-2px);
    border-color: var(--seo-border-strong);
    background: rgba(255, 255, 255, 0.08);
}

.seo-resource strong {
    display: block;
    color: var(--seo-text);
    line-height: 1.25;
}

.seo-resource small {
    display: block;
    margin-top: 8px;
    color: var(--seo-muted);
    line-height: 1.45;
}

.seo-faq {
    display: grid;
    gap: 12px;
}

.seo-faq details {
    border-radius: 20px;
    overflow: hidden;
}

.seo-faq summary {
    cursor: pointer;
    padding: 18px 20px;
    color: var(--seo-text);
    font-weight: 800;
}

.seo-faq details p {
    margin: 0;
    padding: 0 20px 20px;
    color: var(--seo-muted);
    line-height: 1.62;
}

.seo-cta {
    margin: 44px 0 70px;
    padding: clamp(30px, 6vw, 56px);
    border-radius: 30px;
    text-align: center;
    background:
        radial-gradient(circle at 50% 0%, rgba(167, 139, 250, 0.18), transparent 24rem),
        var(--seo-panel);
    border: 1px solid var(--seo-border);
    box-shadow: var(--seo-shadow);
    backdrop-filter: blur(26px) saturate(150%);
    -webkit-backdrop-filter: blur(26px) saturate(150%);
}

.seo-cta h2 {
    margin: 0;
    color: var(--seo-text);
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.seo-cta p {
    max-width: 680px;
    margin: 16px auto 0;
    color: var(--seo-muted);
    line-height: 1.65;
}

.seo-footer {
    padding: 32px 0 48px;
    color: var(--seo-faint);
    border-top: 1px solid var(--seo-border);
}

.seo-footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.seo-footer h3 {
    margin: 0 0 12px;
    color: var(--seo-text);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.seo-footer p,
.seo-footer a {
    color: var(--seo-muted);
    font-size: 0.88rem;
    line-height: 1.55;
}

.seo-footer a {
    display: block;
    margin-top: 8px;
    text-decoration: none;
}

.seo-footer a:hover {
    color: var(--seo-text);
}

@media (max-width: 980px) {
    .seo-hero-grid,
    .seo-split {
        grid-template-columns: 1fr;
    }

    .seo-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .seo-resource-grid,
    .seo-footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .seo-nav {
        align-items: flex-start;
        flex-direction: column;
        position: relative;
        top: auto;
    }

    .seo-nav-links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .seo-hero {
        padding-top: 46px;
    }

    .seo-proof-grid,
    .seo-card-grid,
    .seo-resource-grid,
    .seo-footer-grid {
        grid-template-columns: 1fr;
    }

    .seo-card,
    .seo-proof,
    .seo-resource {
        min-height: auto;
    }

    .seo-actions {
        flex-direction: column;
    }

    .seo-button,
    .seo-button-secondary {
        width: 100%;
    }
}