:root{--color-navy: #102033;--color-sidebar: #162A40;--color-bg: #F7F9FB;--color-card: #FFFFFF;--color-green: #1F8A5B;--color-green-dark: #166A46;--color-amber: #D99A21;--color-text: #1D2733;--color-muted: #667085;--color-border: #D9E2EC;--shadow-soft: 0 8px 24px rgba(16, 32, 51, .08);--radius: 16px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:74px;padding:.85rem 1.25rem;background:var(--color-navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.brand{display:inline-flex;align-items:center;gap:.75rem}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--color-green);color:#fff;font-weight:800;letter-spacing:-.04em}.brand strong{display:block;font-size:1.15rem;line-height:1.1}.brand small{display:block;color:#ffffffb8;font-size:.82rem;margin-top:.15rem}.menu-toggle{display:none;border:1px solid rgba(255,255,255,.18);background:#ffffff14;color:#fff;border-radius:10px;padding:.45rem .65rem;font-size:1.2rem;cursor:pointer}.site-shell{display:grid;grid-template-columns:280px minmax(0,1fr);max-width:1440px;margin:0 auto}.sidebar{min-height:calc(100vh - 74px);padding:1.25rem;background:var(--color-sidebar);color:#fff}.sidebar-home,.sidebar a{display:block;border-radius:10px;padding:.55rem .7rem;color:#ffffffd1;font-size:.95rem}.sidebar a:hover,.sidebar a.active,.sidebar-home.active{background:#1f8a5b38;color:#fff}.nav-section{margin-top:1.4rem}.nav-section h2{margin:0 0 .4rem;padding:0 .7rem;color:#ffffff85;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}.nav-section ul{margin:0;padding:0;list-style:none}.main-content{width:100%;max-width:1040px;padding:2rem}.hero{padding:2rem;border-radius:var(--radius);background:linear-gradient(135deg,var(--color-card),#eef5f2);border:1px solid var(--color-border);box-shadow:var(--shadow-soft)}.eyebrow{color:var(--color-green);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem;margin:0 0 .5rem}h1{margin:0 0 1rem;font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.04em;color:var(--color-navy)}h2{margin-top:2.4rem;color:var(--color-navy);line-height:1.2}h3{margin-top:0;color:var(--color-navy)}.lead{max-width:760px;font-size:1.15rem;color:var(--color-muted)}.button-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.4rem}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:.75rem 1rem;font-weight:800}.button.primary{background:var(--color-green);color:#fff}.button.primary:hover{background:var(--color-green-dark)}.button.secondary{background:#fff;color:var(--color-navy);border:1px solid var(--color-border)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem}.calculator-card,.content-card{display:block;padding:1.25rem;border-radius:var(--radius);background:var(--color-card);border:1px solid var(--color-border);box-shadow:var(--shadow-soft)}.calculator-card:hover{transform:translateY(-2px);border-color:#1f8a5b73}.calculator-card p,.content-card p{color:var(--color-muted);margin-bottom:.8rem}.calculator-card span{color:var(--color-green);font-weight:800}.callout{margin:1.5rem 0;padding:1rem 1.15rem;border-left:5px solid var(--color-amber);border-radius:12px;background:#fff7e6}.placeholder-box{margin-top:1rem;padding:1.5rem;border:1px dashed var(--color-border);border-radius:var(--radius);background:#fff;color:var(--color-muted)}.site-footer{border-top:1px solid var(--color-border);background:#fff;padding:1.25rem 2rem;color:var(--color-muted);font-size:.92rem}.site-footer p,.site-footer nav{max-width:1440px;margin-left:auto;margin-right:auto}.site-footer nav{display:flex;flex-wrap:wrap;gap:1rem;margin-top:.6rem}.site-footer a{color:var(--color-green-dark);font-weight:700}@media(max-width:860px){.menu-toggle{display:inline-flex}.site-shell{display:block}.sidebar{display:none;min-height:auto}.sidebar.open{display:block}.main-content{padding:1rem}.grid{grid-template-columns:1fr}.brand small{display:none}}