/* Common article layout for SEO content pages */
.article-page { max-width: 820px; margin: 0 auto; padding: 36px 24px 60px; }
.article-page h1 { font-size: clamp(28px, 4vw, 38px); margin-bottom: 10px; }
.article-page .article-meta { color: var(--ink-500); font-size: 14px; margin-bottom: 24px; display: flex; gap: 14px; flex-wrap: wrap; }
.article-page .article-meta .pri { font-weight: 800; padding: 2px 10px; border-radius: 999px; font-size: 11.5px; letter-spacing: .04em; }
.article-page .article-meta .pri.p0 { background: #fee2e2; color: #991b1b; }
.article-page .article-meta .pri.p1 { background: #fef3c7; color: #92400e; }
.article-page .article-meta .pri.p2 { background: var(--green-100); color: var(--green-800); }
.article-page .article-meta .pri.p3 { background: #ede9fe; color: #6d28d9; }
.article-page .article-meta .pri.misc { background: #ecfeff; color: #155e75; }
.article-page h2 { font-size: 24px; margin: 36px 0 12px; padding-top: 10px; border-top: 2px solid var(--green-200); }
.article-page h3 { font-size: 18px; margin: 22px 0 8px; }
.article-page p { font-size: 16px; line-height: 1.75; color: var(--ink-700); margin: 0 0 14px; }
.article-page ul, .article-page ol { padding-left: 24px; line-height: 1.75; }
.article-page li { margin-bottom: 8px; color: var(--ink-700); }
.article-page figure { margin: 18px 0; }
.article-page figure img { width: 100%; border-radius: 14px; box-shadow: var(--shadow-md); }
.article-page figcaption { font-size: 13px; color: var(--ink-500); text-align: center; margin-top: 6px; }
.article-page table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14.5px; }
.article-page th, .article-page td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
.article-page th { background: var(--green-50); color: var(--green-800); font-weight: 700; }
.article-page tbody tr:nth-child(odd) td { background: #fafcfb; }
.article-page details { background: #fff; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; }
.article-page details summary { padding: 14px 18px; font-weight: 700; cursor: pointer; }
.article-page details[open] { border-color: var(--green-300); }
.article-page details p { padding: 0 18px 14px; margin: 0; }
.article-page .cta-inline { background: linear-gradient(135deg, var(--green-50), #fff); border: 1px solid var(--green-200); border-radius: 14px; padding: 24px; margin: 28px 0; text-align: center; }
.article-page .cta-inline a.btn { margin: 4px; }
.article-page .cta-inline h3 { margin: 0 0 8px; }
.article-page .cta-inline p { margin: 0 0 14px; }
.article-page .ba { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0; }
@media (max-width: 700px) { .article-page .ba { grid-template-columns: 1fr; } }
.article-page .ba .col { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.article-page .ba .col.before { border-left: 4px solid #ef4444; }
.article-page .ba .col.after { border-left: 4px solid var(--green-500); }
.article-page .ba .label { font-size: 11px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 4px; }
.article-page .ba .col.before .label { color: #991b1b; }
.article-page .ba .col.after .label { color: var(--green-800); }
.article-page .ba h4 { font-size: 15px; margin: 0 0 4px; }
.article-page .ba p { margin: 0; font-size: 14px; }
.related { background: var(--bg-alt); padding: 36px 0; margin-top: 40px; }
.related h2 { text-align: center; margin-bottom: 22px; border: 0; padding: 0; }
.related .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 980px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 760px) { .related .grid { grid-template-columns: 1fr; } }
.related .card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px; text-decoration: none; color: inherit; transition: all .15s; display: block; }
.related .card:hover { border-color: var(--green-300); transform: translateY(-2px); box-shadow: var(--shadow-sm); color: inherit; }
.related .card .cat { font-size: 11.5px; color: var(--green-700); font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.related .card h4 { font-size: 15px; margin: 4px 0 4px; }
.related .card p { font-size: 13.5px; color: var(--ink-600); margin: 0; }
/* Checklist item card */
.feat-list { display: grid; gap: 14px; margin: 20px 0; }
.feat-list .item { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
.feat-list .num { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--green-500), var(--accent-emerald)); color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 15px; display: flex; align-items: center; justify-content: center; box-shadow: 0 3px 8px rgba(22,163,74,.25); }
.feat-list h3 { margin: 0 0 6px; font-size: 17px; }
.feat-list .why { font-size: 14px; color: var(--ink-600); margin: 0 0 6px; }
.feat-list .check { font-size: 13px; color: var(--green-700); font-weight: 700; }
/* Number step boxes */
.howto-step { display: grid; grid-template-columns: auto 1fr; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.howto-step:last-child { border-bottom: 0; }
.howto-step .step-n { width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--green-500), var(--accent-emerald)); color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 14px; display: flex; align-items: center; justify-content: center; }
.howto-step h4 { margin: 0 0 6px; font-size: 16px; }
.howto-step p { margin: 0; }