:root {
    --seo-border: rgba(255, 255, 255, 0.12);
    --seo-muted: #b8c0cc;
    --seo-panel: rgba(255, 255, 255, 0.055);
    --seo-panel-strong: rgba(255, 255, 255, 0.09);
}

[data-theme="light"] {
    --seo-border: rgba(20, 28, 40, 0.12);
    --seo-muted: #5d6978;
    --seo-panel: rgba(20, 28, 40, 0.045);
    --seo-panel-strong: rgba(20, 28, 40, 0.075);
}

.seo-main {
    min-height: 100vh;
    padding-top: 72px;
}

.seo-nav {
    display: flex;
    gap: 18px;
    align-items: center;
    flex-wrap: wrap;
    margin-left: auto;
}

.seo-nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

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

.seo-hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 72px;
    background:
        linear-gradient(135deg, rgba(30, 185, 147, 0.16), transparent 34%),
        radial-gradient(circle at 86% 18%, rgba(255, 203, 112, 0.15), transparent 28%),
        var(--bg-color);
}

.seo-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--seo-border), transparent);
}

.seo-breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 28px;
    color: var(--seo-muted);
    font-size: 14px;
}

.seo-breadcrumb a {
    color: var(--seo-muted);
    text-decoration: none;
}

.seo-breadcrumb a:hover {
    color: var(--primary-color);
}

.seo-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    padding: 7px 12px;
    border: 1px solid var(--seo-border);
    border-radius: 999px;
    background: var(--seo-panel);
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 700;
}

.seo-title {
    max-width: 900px;
    margin: 0;
    font-size: clamp(34px, 5vw, 62px);
    line-height: 1.08;
    color: var(--text-color);
    letter-spacing: 0;
}

.seo-lead {
    max-width: 780px;
    margin: 22px 0 0;
    color: var(--seo-muted);
    font-size: 18px;
    line-height: 1.85;
}

.seo-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.seo-section {
    padding: 72px 0;
    background: var(--bg-color);
}

.seo-section.alt {
    background: var(--section-bg);
}

.seo-two-col {
    display: grid;
    grid-template-columns: minmax(0, 0.96fr) minmax(280px, 0.64fr);
    gap: 36px;
    align-items: start;
}

.seo-copy h2,
.seo-panel h2,
.seo-faq h2 {
    margin: 0 0 18px;
    color: var(--text-color);
    font-size: 30px;
    line-height: 1.25;
    letter-spacing: 0;
}

.seo-copy p,
.seo-panel p {
    color: var(--seo-muted);
    line-height: 1.9;
    margin: 0 0 16px;
}

.seo-panel {
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    padding: 28px;
    background: var(--seo-panel);
}

.seo-checklist {
    display: grid;
    gap: 14px;
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
}

.seo-checklist li {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 10px;
    color: var(--text-color);
    line-height: 1.7;
}

.seo-checklist i {
    color: var(--primary-color);
    margin-top: 5px;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.seo-card {
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    padding: 24px;
    background: var(--seo-panel);
}

.seo-card i {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 18px;
}

.seo-card h3 {
    margin: 0 0 10px;
    color: var(--text-color);
    font-size: 19px;
}

.seo-card p {
    margin: 0;
    color: var(--seo-muted);
    line-height: 1.75;
}

.seo-faq-list {
    display: grid;
    gap: 14px;
}

.seo-faq-item {
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    padding: 22px;
    background: var(--seo-panel);
}

.seo-faq-item h3 {
    margin: 0 0 8px;
    color: var(--text-color);
    font-size: 18px;
}

.seo-faq-item p {
    margin: 0;
    color: var(--seo-muted);
    line-height: 1.8;
}

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

.seo-link-card {
    display: block;
    border: 1px solid var(--seo-border);
    border-radius: 8px;
    padding: 22px;
    background: var(--seo-panel);
    color: var(--text-color);
    text-decoration: none;
}

.seo-link-card strong {
    display: block;
    margin-bottom: 8px;
    font-size: 18px;
}

.seo-link-card span {
    color: var(--seo-muted);
    line-height: 1.65;
}

.seo-link-card:hover {
    border-color: rgba(30, 185, 147, 0.55);
    background: var(--seo-panel-strong);
}

.seo-keywords {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.seo-keywords span {
    padding: 8px 12px;
    border: 1px solid var(--seo-border);
    border-radius: 999px;
    color: var(--seo-muted);
    background: var(--seo-panel);
    font-size: 14px;
}

.seo-footer-links {
    display: flex;
    gap: 12px 18px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.seo-footer-links a {
    color: var(--seo-muted);
    text-decoration: none;
}

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

@media (max-width: 992px) {
    .seo-two-col,
    .seo-grid,
    .seo-link-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .seo-main {
        padding-top: 64px;
    }

    .seo-hero {
        padding: 72px 0 52px;
    }

    .seo-title {
        font-size: 34px;
    }

    .seo-lead {
        font-size: 16px;
    }

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

    .seo-nav {
        width: 100%;
        margin-left: 0;
        padding-top: 10px;
        gap: 12px;
    }
}