/* SEO expansion — intentionally namespaced so the original page stays unchanged. */

.seo-skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    padding: 10px 16px;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(95deg, var(--neon-orange), var(--neon-pink), var(--neon-purple));
    font-weight: 800;
    transform: translateY(-180%);
    transition: transform .2s ease;
}

.seo-skip-link:focus {
    transform: translateY(0);
}

:focus-visible {
    outline: 3px solid var(--neon-purple);
    outline-offset: 4px;
}

.seo-guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 44px;
    position: relative;
    z-index: 1;
}

.seo-guide-card {
    display: flex;
    flex-direction: column;
    min-height: 282px;
    color: var(--ink);
}

.seo-guide-card:hover {
    transform: translateY(-8px);
}

.seo-guide-card p {
    margin-bottom: 22px;
}

.seo-card-link {
    display: inline-flex;
    align-items: center;
    margin-top: auto;
    background: linear-gradient(92deg, var(--neon-orange), var(--neon-pink) 55%, var(--neon-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: .82rem;
    font-weight: 800;
}

.seo-faq-list {
    max-width: 920px;
    margin: 44px auto 0;
    border-top: 1px solid var(--hairline-strong);
    text-align: left;
}

.seo-faq-item {
    border-bottom: 1px solid var(--hairline-strong);
}

.seo-faq-item summary {
    position: relative;
    padding: 24px 54px 24px 0;
    color: var(--ink);
    font-family: var(--display-font);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    list-style: none;
    cursor: pointer;
}

.seo-faq-item summary::-webkit-details-marker {
    display: none;
}

.seo-faq-item summary::after {
    content: "+";
    position: absolute;
    top: 20px;
    right: 0;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(176, 97, 255, .28);
    border-radius: 50%;
    color: var(--neon-purple);
    background: rgba(176, 97, 255, .07);
    font-family: var(--display-font);
    font-size: 1.25rem;
    transition: transform .25s ease, color .25s ease, background .25s ease;
}

.seo-faq-item[open] summary::after {
    color: #fff;
    background: linear-gradient(140deg, var(--neon-pink), var(--neon-purple));
    transform: rotate(45deg);
}

.seo-faq-item p {
    max-width: 800px;
    padding: 0 54px 24px 0;
    margin: 0;
    color: var(--muted);
}

.seo-faq-item a {
    color: var(--accent-strong);
    font-weight: 800;
    text-decoration: underline;
    text-decoration-color: rgba(176, 97, 255, .28);
    text-underline-offset: 3px;
}

/* Progressive enhancement: content remains visible when JavaScript is unavailable. */
[data-reveal] {
    opacity: 1;
    transform: none;
}

.js [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
}

.js [data-reveal].in-view {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 600px) {
    .seo-guide-grid {
        grid-template-columns: 1fr;
    }

    .seo-guide-card {
        min-height: auto;
    }

    .seo-faq-item summary {
        padding-right: 46px;
        font-size: 1.03rem;
    }

    .seo-faq-item p {
        padding-right: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .js [data-reveal] {
        opacity: 1;
        transform: none;
    }
}