:root{--background:#f4efe7;--surface:#fffcf7d9;--surface-strong:#fffdf9;--text:#1f2b2a;--muted:#5d6b69;--border:#2537321f;--accent:#1d7c66;--accent-deep:#0f4d43;--accent-soft:#dff2eb;--shadow:0 18px 40px #11242014;--radius-xl:28px;--radius-lg:20px;--radius-md:14px;--content-width:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;color:var(--text);background:radial-gradient(circle at top left, #1d7c662b, transparent 28%), radial-gradient(circle at top right, #ffc3713d, transparent 22%), linear-gradient(180deg, #f9f4ee 0%, var(--background) 58%, #f2ece5 100%);margin:0;font-family:Georgia,Times New Roman,serif}a{color:inherit;text-decoration:none}img,svg{max-width:100%;display:block}button,input,select{font:inherit}.site-shell{width:min(calc(100% - 32px), var(--content-width));margin:0 auto;padding:32px 0 72px}.site-header{justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;display:flex}.brand{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);align-items:center;gap:12px;font-size:.95rem;display:inline-flex}.brand-mark{background:linear-gradient(145deg, var(--accent), var(--accent-deep));border-radius:14px;width:42px;height:42px;box-shadow:inset 0 1px #fff6}.nav-links{flex-wrap:wrap;justify-content:flex-end;gap:18px;display:flex}.nav-link{color:var(--muted);font-size:.95rem}.hero-card,.content-card,.calculator-card,.metric-card,.info-card{background:var(--surface);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--border);box-shadow:var(--shadow)}.hero-card{border-radius:var(--radius-xl);padding:40px}.hero-grid{grid-template-columns:1.35fr .9fr;gap:28px;display:grid}.eyebrow{background:var(--accent-soft);color:var(--accent-deep);letter-spacing:.02em;border-radius:999px;align-items:center;gap:8px;padding:8px 12px;font-size:.85rem;font-weight:700;display:inline-flex}.hero-title,.page-title{letter-spacing:-.04em;margin:18px 0 14px;font-size:clamp(2.5rem,5vw,4.75rem);line-height:.94}.hero-copy,.page-copy{max-width:58ch;color:var(--muted);font-size:1.08rem;line-height:1.7}.hero-actions,.pill-row,.stat-grid,.directory-grid,.page-grid,.detail-grid,.calculator-grid,.metric-grid{gap:18px;display:grid}.hero-actions{grid-template-columns:repeat(2,minmax(0,max-content));margin-top:28px}.button-primary,.button-secondary{border-radius:999px;justify-content:center;align-items:center;min-height:48px;padding:0 20px;transition:transform .16s,box-shadow .16s;display:inline-flex}.button-primary{background:var(--accent-deep);color:#fff;box-shadow:0 10px 24px #0f4d432e}.button-secondary{border:1px solid var(--border);background:#ffffff8c}.button-primary:hover,.button-secondary:hover{transform:translateY(-1px)}.pill-row{grid-template-columns:repeat(2,minmax(0,1fr))}.pill-card{border-radius:var(--radius-lg);border:1px solid var(--border);background:#ffffff8c;padding:18px}.pill-card strong{margin-bottom:6px;font-size:1rem;display:block}.section-block{margin-top:28px}.section-heading{letter-spacing:-.03em;margin:0 0 10px;font-size:clamp(1.8rem,3vw,2.6rem)}.section-copy{max-width:62ch;color:var(--muted);margin:0;line-height:1.7}.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:26px}.metric-card{border-radius:var(--radius-lg);padding:22px}.metric-label{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.88rem}.metric-value{letter-spacing:-.04em;margin-top:10px;font-size:clamp(1.7rem,3vw,2.6rem);display:block}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:26px}.content-card{border-radius:var(--radius-xl);padding:30px}.directory-card{flex-direction:column;gap:18px;display:flex}.directory-card h3,.info-card h3,.calculator-card h3{letter-spacing:-.03em;margin:0;font-size:1.6rem}.card-copy,.detail-list li,.method-copy,.faq-item p,.formula-block p,.mini-note,.footer-copy{color:var(--muted);line-height:1.7}.card-meta{flex-wrap:wrap;gap:10px;display:flex}.card-tag{color:var(--accent-deep);background:#1d7c661a;border-radius:999px;padding:7px 11px;font-size:.85rem}.page-grid{grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);align-items:start}.content-stack{gap:24px;display:grid}.info-card{border-radius:var(--radius-lg);padding:26px}.detail-list{margin:14px 0 0;padding-left:18px}.detail-list li+li{margin-top:10px}.calculator-grid{grid-template-columns:minmax(0,340px) minmax(0,1fr);align-items:start}.calculator-card{border-radius:var(--radius-xl);padding:26px}.form-grid{gap:14px;display:grid}.field-label{color:var(--muted);gap:8px;font-size:.95rem;display:grid}.field-input{border:1px solid var(--border);width:100%;min-height:50px;color:var(--text);background:#ffffffbf;border-radius:14px;padding:0 14px}.result-frame{gap:18px;display:grid}.metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.chart-panel{border-radius:var(--radius-lg);border:1px solid var(--border);background:#ffffff9e;height:320px;padding:14px 8px 4px}.chart-fallback{text-align:center;height:100%;color:var(--muted);place-items:center;gap:8px;display:grid}.chart-fallback strong{color:var(--text);font-size:1.1rem}.chart-fallback span{letter-spacing:-.04em;color:var(--accent-deep);font-size:2rem}.formula-block{margin-top:6px}.formula-box{border:1px solid var(--border);background:#f4f8f6;border-radius:14px;padding:12px 16px;font-size:1rem;display:inline-flex}.faq-stack{gap:16px;display:grid}.faq-item{border-radius:var(--radius-lg);border:1px solid var(--border);background:#ffffff8c;padding:20px 22px}.faq-item h3{margin:0 0 10px;font-size:1.1rem}.table-wrap{margin-top:18px;overflow-x:auto}.comparison-table{border-collapse:collapse;width:100%;min-width:320px}.comparison-table th,.comparison-table td{text-align:left;border-bottom:1px solid var(--border);padding:12px 14px}.comparison-table th{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:.84rem}.comparison-table td{color:var(--text)}.comparison-table-compact th,.comparison-table-compact td{padding:10px 0}.site-footer{color:var(--muted);justify-content:space-between;gap:18px;margin-top:36px;padding:16px 0 0;font-size:.92rem;display:flex}@media (max-width:960px){.hero-grid,.page-grid,.calculator-grid,.directory-grid,.stat-grid,.metric-grid,.pill-row{grid-template-columns:1fr}.site-header,.site-footer{flex-direction:column;align-items:flex-start}.hero-card,.content-card,.calculator-card,.info-card{padding:24px}}@media (max-width:640px){.site-shell{width:min(calc(100% - 20px), var(--content-width));padding-top:20px}.hero-title,.page-title{font-size:clamp(2.3rem,12vw,3.7rem)}.hero-actions{grid-template-columns:1fr}}