/*
  articles.css — SpoolAtlas article-specific styles.
  ALL rules are scoped under .sa-article to prevent cascade bleed onto other pages.
  This file is only loaded on /articles/* pages.
*/

/* ── Layout ─────────────────────────────────────────────────────── */
.sa-article {
    max-width: 780px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
}

/* ── Breadcrumb ─────────────────────────────────────────────────── */
.sa-article .sa-breadcrumb {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
    list-style: none;
    padding: 0;
}
.sa-article .sa-breadcrumb li + li::before {
    content: "›";
    margin-right: 0.25rem;
    color: var(--muted);
}
.sa-article .sa-breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}
.sa-article .sa-breadcrumb a:hover {
    text-decoration: underline;
}

/* ── Affiliate disclosure ───────────────────────────────────────── */
.sa-article .sa-disclosure {
    background: var(--bg-alt);
    border-left: 3px solid var(--warning);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 0.65rem 1rem;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

/* ── Hero / intro block ─────────────────────────────────────────── */
.sa-article .sa-hero {
    margin-bottom: 2.5rem;
}
.sa-article .sa-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 0.75rem;
}
.sa-article .sa-hero .sa-meta {
    font-size: 0.8rem;
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}
.sa-article .sa-hero .sa-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.sa-article .sa-hero .sa-intro {
    font-size: 1.05rem;
    color: var(--text);
    line-height: 1.65;
}

/* ── Direct answer box ──────────────────────────────────────────── */
.sa-article .sa-answer-box {
    background: var(--primary-soft);
    border: 1px solid #bfdbfe;
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2.5rem;
}
.sa-article .sa-answer-box .sa-answer-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--primary);
    margin-bottom: 0.4rem;
}
.sa-article .sa-answer-box p {
    margin: 0;
    font-size: 0.97rem;
    color: var(--ink);
    font-weight: 500;
    line-height: 1.55;
}

/* ── Section headings ───────────────────────────────────────────── */
.sa-article .sa-section {
    margin-bottom: 2.75rem;
}
.sa-article .sa-section h2 {
    font-size: clamp(1.2rem, 3vw, 1.55rem);
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.015em;
    line-height: 1.25;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--line);
}
.sa-article .sa-section h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.5rem;
    margin-top: 1.5rem;
}
.sa-article .sa-section p {
    margin-bottom: 1rem;
    color: var(--text);
}
.sa-article .sa-section ul,
.sa-article .sa-section ol {
    padding-left: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text);
}
.sa-article .sa-section li {
    margin-bottom: 0.4rem;
    line-height: 1.6;
}
.sa-article .sa-section a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.sa-article .sa-section a:hover {
    color: var(--primary-dark);
}

/* ── Product cards ──────────────────────────────────────────────── */
.sa-article .sa-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0 2rem;
}
.sa-article .sa-product-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.18s ease, transform 0.18s ease;
}
.sa-article .sa-product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.sa-article .sa-product-card .sa-product-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: contain;
    background: var(--bg-alt);
    padding: 0.75rem;
}
.sa-article .sa-product-card .sa-product-body {
    padding: 0.9rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.sa-article .sa-product-card .sa-product-name {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 0.3rem;
}
.sa-article .sa-product-card .sa-product-desc {
    font-size: 0.8rem;
    color: var(--muted);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 0.75rem;
}
.sa-article .sa-product-card .sa-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}
.sa-article .sa-product-card .sa-badge {
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.18rem 0.5rem;
    border-radius: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.sa-article .sa-product-card .sa-badge-best { background: #dcfce7; color: #15803d; }
.sa-article .sa-product-card .sa-badge-budget { background: #fef9c3; color: #854d0e; }
.sa-article .sa-product-card .sa-badge-pro { background: var(--primary-soft); color: var(--primary); }
.sa-article .sa-product-card .sa-btn-amazon {
    display: block;
    text-align: center;
    background: #ff9900;
    color: #111;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.45rem 0.75rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background 0.15s ease;
}
.sa-article .sa-product-card .sa-btn-amazon:hover {
    background: #e68900;
    color: #111;
}

/* ── Comparison table ───────────────────────────────────────────── */
.sa-article .sa-table-wrap {
    overflow-x: auto;
    margin: 1.25rem 0 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
}
.sa-article .sa-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    background: var(--surface-strong);
}
.sa-article .sa-table th {
    background: var(--bg-alt);
    color: var(--ink);
    font-weight: 700;
    padding: 0.7rem 1rem;
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--line-strong);
}
.sa-article .sa-table td {
    padding: 0.65rem 1rem;
    color: var(--text);
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}
.sa-article .sa-table tr:last-child td {
    border-bottom: none;
}
.sa-article .sa-table tr:hover td {
    background: var(--bg);
}
.sa-article .sa-table .sa-check { color: var(--success); font-weight: 700; }
.sa-article .sa-table .sa-cross { color: var(--danger); }
.sa-article .sa-table .sa-highlight td {
    background: var(--primary-soft);
    font-weight: 600;
}
.sa-article .sa-table .sa-highlight td:first-child {
    border-left: 3px solid var(--primary);
}

/* ── Callout / tip boxes ────────────────────────────────────────── */
.sa-article .sa-callout {
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    font-size: 0.9rem;
    line-height: 1.6;
}
.sa-article .sa-callout-title {
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.35rem;
}
.sa-article .sa-callout-tip {
    background: #f0fdf4;
    border-left: 3px solid var(--success);
    color: #166534;
}
.sa-article .sa-callout-tip .sa-callout-title { color: var(--success); }
.sa-article .sa-callout-warn {
    background: #fffbeb;
    border-left: 3px solid var(--warning);
    color: #78350f;
}
.sa-article .sa-callout-warn .sa-callout-title { color: var(--warning); }
.sa-article .sa-callout p { margin: 0; color: inherit; }

/* ── FAQ section ────────────────────────────────────────────────── */
.sa-article .sa-faq {
    margin-bottom: 2.5rem;
}
.sa-article .sa-faq h2 {
    font-size: clamp(1.2rem, 3vw, 1.55rem);
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--line);
}
.sa-article .sa-faq-item {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    margin-bottom: 0.6rem;
    overflow: hidden;
}
.sa-article .sa-faq-q {
    width: 100%;
    background: var(--surface-strong);
    border: none;
    text-align: left;
    padding: 0.9rem 1.1rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.15s ease;
}
.sa-article .sa-faq-q:hover { background: var(--bg); }
.sa-article .sa-faq-q .sa-faq-icon {
    font-size: 1.1rem;
    color: var(--muted);
    flex-shrink: 0;
    transition: transform 0.2s ease;
}
.sa-article .sa-faq-item.open .sa-faq-icon {
    transform: rotate(45deg);
}
.sa-article .sa-faq-a {
    display: none;
    padding: 0 1.1rem 0.9rem;
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.65;
    border-top: 1px solid var(--line);
    background: var(--bg);
}
.sa-article .sa-faq-item.open .sa-faq-a {
    display: block;
}
.sa-article .sa-faq-a p { margin: 0.5rem 0 0; color: var(--text); }

/* ── Related articles ───────────────────────────────────────────── */
.sa-article .sa-related {
    background: var(--bg-alt);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 3rem;
}
.sa-article .sa-related h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 1rem;
}
.sa-article .sa-related ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.sa-article .sa-related li a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.sa-article .sa-related li a::before {
    content: "→";
    color: var(--muted);
    flex-shrink: 0;
}
.sa-article .sa-related li a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* ── Article hub card grid (index page) ─────────────────────────── */
.sa-article-hub {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}
.sa-article-hub .sa-hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.sa-article-hub .sa-hub-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface-strong);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    transition: box-shadow 0.18s ease, transform 0.18s ease;
    color: inherit;
}
.sa-article-hub .sa-hub-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    color: inherit;
}
.sa-article-hub .sa-hub-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: var(--bg-alt);
    display: block;
}
.sa-article-hub .sa-hub-card-img-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--bg-alt), var(--bg));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}
.sa-article-hub .sa-hub-card-body {
    padding: 1.1rem 1.25rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.sa-article-hub .sa-hub-card-tag {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--primary);
    margin-bottom: 0.4rem;
}
.sa-article-hub .sa-hub-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.35;
    margin-bottom: 0.5rem;
}
.sa-article-hub .sa-hub-card-desc {
    font-size: 0.83rem;
    color: var(--muted);
    line-height: 1.55;
    flex: 1;
    margin-bottom: 0.75rem;
}
.sa-article-hub .sa-hub-card-meta {
    font-size: 0.75rem;
    color: var(--muted);
}
.sa-article-hub .sa-disclosure {
    background: var(--bg-alt);
    border-left: 3px solid var(--warning);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 0.65rem 1rem;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

/* ── Responsive tweaks ───────────────────────────────────────────── */
@media (max-width: 600px) {
    .sa-article {
        padding: 1.25rem 1rem 3rem;
    }
    .sa-article .sa-product-grid {
        grid-template-columns: 1fr 1fr;
    }
    .sa-article-hub .sa-hub-grid {
        grid-template-columns: 1fr;
    }
}