/* Fix It or Replace — mobile-first, trust-oriented base styles */
:root{
  --ink:#1c2430; --muted:#566170; --line:#dfe4ea; --bg:#ffffff; --soft:#f5f7fa;
  --brand:#1f5f8b; --brand-dark:#174a6c; --accent:#2e7d4f; --warn-bg:#fff7e0; --warn-line:#e8c766;
  --radius:10px; --max:760px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)} a:hover{color:var(--brand-dark)}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-9999px} .skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}

/* header / footer */
.site-header{border-bottom:1px solid var(--line);background:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.logo{font-weight:700;font-size:1.1rem;color:var(--ink);text-decoration:none}
.logo span{color:var(--brand)}
.nav{display:flex;gap:14px;font-size:.95rem;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--muted)} .nav a:hover{color:var(--ink)}
.site-footer{margin-top:48px;border-top:1px solid var(--line);background:var(--soft);font-size:.9rem;color:var(--muted)}
.site-footer .wrap{padding-top:24px;padding-bottom:32px}
.site-footer a{color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0 0 12px;padding:0;list-style:none}

/* typography */
h1{font-size:1.7rem;line-height:1.25;margin:28px 0 12px}
h2{font-size:1.35rem;line-height:1.3;margin:36px 0 10px;padding-top:8px;border-top:1px solid var(--line)}
h3{font-size:1.12rem;margin:24px 0 8px}
.lede{font-size:1.08rem;color:var(--muted)}
small,.fine{font-size:.85rem;color:var(--muted)}
.updated{font-size:.88rem;color:var(--muted)}

/* boxes */
.disclosure-bar{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;font-size:.9rem;color:var(--muted);margin:16px 0}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:18px 0;background:#fff}
.quick{border-left:5px solid var(--brand);background:#f2f7fb}
.note{background:var(--soft);border-left:4px solid var(--muted);padding:12px 16px;border-radius:6px;margin:16px 0}
.safety{background:#fdf1f0;border-left:4px solid #c0392b;padding:12px 16px;border-radius:6px;margin:16px 0}
.editor-warning{background:var(--warn-bg);border:1px dashed var(--warn-line);padding:12px 16px;border-radius:6px;margin:16px 0;font-size:.92rem}
.placeholder{background:#fff3c4;padding:0 4px;border-radius:3px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85em}

/* CTA */
.cta{margin:18px 0}
.btn-call{display:block;text-align:center;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:14px 18px;border-radius:var(--radius);font-size:1.05rem}
.btn-call:hover{background:#25663f;color:#fff}
.btn-secondary{display:inline-block;border:1px solid var(--brand);color:var(--brand);text-decoration:none;padding:10px 14px;border-radius:var(--radius);font-weight:600}
.cta .fine{display:block;margin-top:8px}
.partner-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:#e8f2ec;color:var(--accent);padding:2px 8px;border-radius:99px;margin-bottom:6px}

/* lists of parts / affiliate slots */
.aff-list{list-style:none;padding:0;margin:10px 0}
.aff-list li{border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin:6px 0;font-size:.93rem}

/* tables */
.table-wrap{overflow-x:auto;margin:14px 0}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--soft)}

/* home grid */
.grid{display:grid;gap:14px;grid-template-columns:1fr}
.grid .card{margin:0}
.card h3{margin-top:0}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding-left:40px;margin:12px 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}

details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0}
summary{cursor:pointer;font-weight:600}

@media (min-width:700px){
  h1{font-size:2.1rem}
  .grid{grid-template-columns:1fr 1fr}
  .btn-call{display:inline-block}
}
.btn-call .placeholder{color:var(--ink)}