body {
    margin: 0;
    font-family: "Source Sans Pro", sans-serif;
    color: #0f172a;
    background:
        radial-gradient(circle at top left, rgba(14, 165, 233, 0.12), transparent 30%),
        linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.seo-shell {
    max-width: 980px;
    margin: 0 auto;
    padding: 32px 20px 72px;
}

.seo-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 28px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.seo-hero {
    padding: 32px 32px 20px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(59, 130, 246, 0.05));
}

.seo-kicker {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    color: #0369a1;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.seo-hero h1 {
    margin: 18px 0 12px;
    font-family: "Manrope", sans-serif;
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.1;
}

.seo-hero p {
    margin: 0;
    font-size: 20px;
    color: #334155;
}

.seo-content {
    padding: 28px 32px 36px;
}

.seo-content h2 {
    margin: 28px 0 10px;
    font-family: "Manrope", sans-serif;
    font-size: 24px;
    color: #0369a1;
}

.seo-content p,
.seo-content li {
    font-size: 18px;
    line-height: 1.75;
    color: #1e293b;
}

.seo-content ul {
    padding-left: 24px;
    margin: 0;
}

.seo-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.seo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 17px;
    font-weight: 700;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.seo-btn-primary {
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    color: #fff;
    box-shadow: 0 14px 26px rgba(37, 99, 235, 0.22);
}

.seo-btn-secondary {
    background: #eff6ff;
    color: #1d4ed8;
    border: 1px solid rgba(59, 130, 246, 0.18);
}

.seo-btn:hover {
    transform: translateY(-1px);
}

.seo-meta {
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid rgba(148, 163, 184, 0.22);
    color: #475569;
    font-size: 16px;
}

@media (max-width: 720px) {
    .seo-shell {
        padding: 18px 14px 48px;
    }

    .seo-hero,
    .seo-content {
        padding-left: 20px;
        padding-right: 20px;
    }

    .seo-hero p,
    .seo-content p,
    .seo-content li {
        font-size: 17px;
    }
}