:root{--bg:#f4f8fc;--surface:hsla(0,0%,100%,.9);--surface-strong:#fff;--text:#132238;--muted:#5d718d;--border:rgba(19,34,56,.12);--primary:#0b6bcb;--primary-strong:#084f97;--accent:#19c2a4;--shadow:0 22px 50px rgba(12,32,66,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:radial-gradient(circle at top left,rgba(25,194,164,.12),transparent 22%),radial-gradient(circle at top right,rgba(11,107,203,.12),transparent 28%),var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.page-shell{width:min(1280px,calc(100% - 32px));margin:0 auto;padding:24px 0 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.hero-card{padding:28px;margin-bottom:24px}.eyebrow,.hero-topline{color:var(--primary);font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero-actions{display:flex;justify-content:flex-end;margin-bottom:16px}.back-button,.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 18px;background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;border:none;font-weight:700;cursor:pointer}.content-grid,.faq-grid,.guide-grid,.hero-grid,.workspace-grid{display:grid;grid-gap:24px;gap:24px}.hero-grid{grid-template-columns:1.6fr 1fr;align-items:start}.hero-grid h1{margin:12px 0 16px;font-size:clamp(2.2rem,5vw,4.2rem);line-height:1.05}.lead{max-width:72ch;color:var(--muted);font-size:1.08rem;line-height:1.75}.hero-side{padding:24px;background:linear-gradient(180deg,hsla(0,0%,100%,.92),rgba(222,239,255,.7));border-radius:22px;border:1px solid rgba(11,107,203,.14)}.chip-grid,.pill-row{display:flex;flex-wrap:wrap;gap:12px}.layer-badge,.pill,.score-pill{border-radius:999px;padding:8px 12px;font-weight:700;font-size:.92rem}.layer-badge,.pill{background:rgba(11,107,203,.08);color:var(--primary-strong)}.content-grid,.guide-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:24px}.content-card,.controls-card,.detail-card,.faq-card,.info-card,.inset-card,.result-card{padding:24px}.workspace-grid{grid-template-columns:1.4fr .9fr;margin-bottom:24px;align-items:start}.section-heading{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:20px}.section-heading.compact h2,.section-heading.compact h3{margin-top:4px}h2,h3,p{margin-top:0}.muted{color:var(--muted)}.small{font-size:.92rem}.segmented-control{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;margin-bottom:20px}.chip,.preset-item,.segment,.text-button{border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer}.chip,.segment{border-radius:16px;padding:14px 16px;font-weight:700}.chip.active,.segment.active{background:linear-gradient(180deg,rgba(11,107,203,.12),rgba(25,194,164,.12));border-color:rgba(11,107,203,.32)}.controls-card{display:grid;grid-gap:20px;gap:20px}.inset-card{background:hsla(0,0%,100%,.66);box-shadow:none}.faq-list,.layer-stack,.preset-list,.results-column{display:grid;grid-gap:14px;gap:14px}.preset-item{width:100%;border-radius:18px;padding:16px;display:flex;justify-content:space-between;gap:16px;text-align:left}.layer-card{border:1px solid rgba(19,34,56,.08);border-radius:20px;padding:18px;background:#fff}.layer-header,.slider-row{display:flex;justify-content:space-between;gap:16px;align-items:start}label{display:grid;grid-gap:8px;gap:8px;flex:1 1}input[type=number],select{min-height:46px;border-radius:14px;border:1px solid rgba(19,34,56,.14);padding:0 14px;background:#fff}input[type=range]{width:100%;accent-color:var(--primary)}.material-meta{margin-top:14px;color:var(--muted);font-size:.95rem;line-height:1.6}.text-button{border-radius:999px;padding:8px 12px}.result-card{position:-webkit-sticky;position:sticky;top:24px}.result-number{font-size:clamp(2.5rem,5vw,4rem);font-weight:900;margin:12px 0}.lead-small{color:var(--muted);line-height:1.7}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px;margin:20px 0}.result-grid div{background:rgba(11,107,203,.05);border-radius:18px;padding:14px;border:1px solid rgba(11,107,203,.08)}.result-grid span{display:block;color:var(--muted);margin-bottom:6px}.formula-box{border-radius:18px;background:linear-gradient(180deg,rgba(25,194,164,.1),rgba(11,107,203,.08));padding:16px}.score-pill.excellent{background:rgba(25,194,164,.16);color:#0b6a58}.score-pill.good{background:rgba(16,164,95,.16);color:#0f6d43}.score-pill.medium{background:rgba(255,177,0,.18);color:#875d00}.score-pill.weak{background:rgba(255,94,87,.16);color:#a43934}.benchmark-list,.resistance-list{margin:0;padding-left:20px;color:var(--muted)}.benchmark-list li,.content-card li,.faq-list div,.resistance-list li{margin-bottom:10px}.faq-grid{grid-template-columns:1fr}@media (max-width:1080px){.content-grid,.guide-grid,.hero-grid,.workspace-grid{grid-template-columns:1fr}.result-card{position:static}}@media (max-width:720px){.page-shell{width:min(100% - 20px,1280px);padding-top:12px}.content-card,.controls-card,.detail-card,.faq-card,.hero-card,.info-card,.inset-card,.result-card{padding:18px}.layer-header,.section-heading,.slider-row{flex-direction:column}.result-grid,.segmented-control{grid-template-columns:1fr}}