:root{--bg:#f5f5f7;--card:#fff;--text:#1d1d1f;--muted:#6e6e73;--blue:#0071e3;--border:#d2d2d7;--green:#34c759;--orange:#ff9500;--red:#ff3b30;--shadow:0 8px 30px rgba(0,0,0,.06)}
@media(prefers-color-scheme:dark){:root{--bg:#000;--card:#1c1c1e;--text:#f5f5f7;--muted:#a1a1a6;--border:#3a3a3c;--shadow:0 8px 30px rgba(0,0,0,.4)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:980px;margin:0 auto;padding:24px 20px 72px}
header.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.brand{font-weight:700;letter-spacing:-.02em}.brand small{font-weight:500;color:var(--muted)}
.nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;background:rgba(0,113,227,.12);color:var(--blue)}
.badge.warn{background:rgba(255,149,0,.15);color:var(--orange)}
.hero{padding:28px 0 8px}h1{font-size:clamp(1.9rem,4.5vw,2.8rem);letter-spacing:-.03em;margin:12px 0 10px;line-height:1.15}
.lead{color:var(--muted);font-size:1.08rem;max-width:70ch}.sub{color:var(--muted);font-size:.95rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:22px 0}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:22px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px;font-size:1.05rem;letter-spacing:-.01em}.card p,.card li{color:var(--muted);font-size:.95rem}
.card ul{margin:8px 0 0;padding-left:18px}
.nap{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.nap dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.nap dd{margin:2px 0 0;font-weight:600}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin:10px 0}
.faq summary{font-weight:600;cursor:pointer}.faq p{color:var(--muted);margin:10px 0 0}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 8px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:160px;padding:12px 18px;border-radius:980px;font-weight:600;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{filter:brightness(1.06);text-decoration:none}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}.btn-outline:hover{background:rgba(127,127,127,.08);text-decoration:none}
.section{margin-top:36px}.section h2{font-size:1.35rem;letter-spacing:-.02em;margin:0 0 8px}
.table{width:100%;border-collapse:collapse;font-size:.92rem}.table th,.table td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.table th{background:rgba(127,127,127,.08);font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.pill{display:inline-block;font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;background:rgba(52,199,89,.15);color:var(--green)}
.pill.mid{background:rgba(255,149,0,.18);color:var(--orange)}.pill.low{background:rgba(127,127,127,.15);color:var(--muted)}
.meter{height:8px;background:rgba(127,127,127,.15);border-radius:999px;overflow:hidden;margin-top:8px}.meter>span{display:block;height:100%;background:var(--blue);border-radius:999px}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;background:rgba(127,127,127,.1);border:1px solid var(--border);border-radius:10px;padding:12px;overflow:auto;white-space:pre-wrap}
footer{margin-top:48px;padding-top:22px;border-top:1px solid var(--border);color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.portfolio-note{margin-top:18px;padding:12px 14px;border:1px dashed var(--border);border-radius:12px;font-size:13px;color:var(--muted)}