:root{color-scheme:light;--bg:#f8fafc;--bg2:#ffffff;--surface:#ffffff;--surface-2:#f1f5f9;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--accent:#0f172a;--accent-2:#334155;--accent-soft:#e2e8f0;--warning-bg:#fffbeb;--warning-border:#fcd34d;--warning-text:#92400e;--shadow:0 20px 50px rgba(15,23,42,0.08);--radius:24px}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{background:linear-gradient(135deg,#f8fafc,#ffffff 50%,#eef2ff);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.page{min-height:100vh}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.header{position:-webkit-sticky;position:sticky;top:0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(255,255,255,.82);border-bottom:1px solid var(--border);z-index:20}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700}.brand-badge{width:38px;height:38px;display:grid;place-items:center;border-radius:14px;background:var(--accent);color:white;box-shadow:var(--shadow)}.header-pill{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;font-size:12px;color:var(--muted);background:#f8fafc;border:1px solid var(--border)}.hero{padding:40px 0 18px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;grid-gap:28px;gap:28px;align-items:center}.kicker{display:inline-flex;align-items:center;gap:8px;background:#eff6ff;color:#1d4ed8;border:1px solid #dbeafe;border-radius:999px;padding:8px 12px;font-size:14px;font-weight:600}h1{font-size:clamp(2.2rem,4vw,4rem);line-height:1.05;letter-spacing:-.04em;margin:18px 0 12px}.hero-copy{color:var(--muted);font-size:1.03rem;line-height:1.75;max-width:60ch}.feature-grid{margin-top:22px;display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(3,1fr)}.feature-card{border:1px solid var(--border);background:var(--surface);border-radius:22px;padding:16px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.feature-icon{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:#f8fafc;border:1px solid var(--border);margin-bottom:10px;font-size:15px}.feature-card h3{margin:0 0 8px;font-size:15px}.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}.card{border-radius:30px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}.card-content{padding:24px}.result-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}.result-tagline{color:var(--muted);font-size:14px;margin:0 0 8px}.result-title{margin:0;font-size:1.55rem}.result-box{background:var(--accent);color:white;padding:16px 18px;border-radius:22px;min-width:180px}.result-box small{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:8px}.result-box strong{font-size:1.7rem;line-height:1.1}.field-group{margin-top:14px}.label-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.label,.muted-value{font-size:14px;font-weight:600}.muted-value{color:var(--muted)}.input,.range{width:100%}.input{height:48px;border-radius:16px;border:1px solid var(--border);padding:0 14px;background:white;color:var(--text);outline:none}.input:focus{border-color:#94a3b8;box-shadow:0 0 0 4px rgba(148,163,184,.15)}.range{accent-color:var(--accent)}.preset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px}.preset-btn{border:1px solid var(--border);border-radius:16px;background:white;color:var(--text);padding:12px 14px;text-align:left;line-height:1.35;transition:transform .12s ease,border-color .12s ease,background .12s ease}.preset-btn:hover{transform:translateY(-1px);border-color:#94a3b8}.preset-btn.active{background:var(--accent);color:white;border-color:var(--accent)}.slider-panel{border:1px solid var(--border);background:#f8fafc;border-radius:22px;padding:16px;margin-top:14px}.action-btn{width:100%;border:none;border-radius:16px;background:var(--accent);color:white;height:48px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:18px}.action-btn:hover{background:var(--accent-2)}.summary-section{margin-top:22px;display:grid;grid-gap:18px;gap:18px;grid-template-columns:1.4fr .6fr}.summary-grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(2,1fr)}.summary-tile{border:1px solid var(--border);border-radius:22px;padding:16px;background:white}.summary-tile.dark{background:var(--accent);color:white}.summary-tile.light{background:var(--surface-2)}.summary-label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:inherit;opacity:.72;margin-bottom:8px}.summary-value{font-size:1.7rem;font-weight:800;line-height:1.1}.detail-list{display:grid;grid-gap:10px;gap:10px;border:1px solid var(--border);border-radius:22px;background:white;padding:16px}.detail-row{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}.divider{height:1px;background:var(--border);margin:18px 0}.callout{border-radius:22px;background:#f8fafc;padding:16px;color:#334155;font-size:14px;line-height:1.65;border:1px solid var(--border)}.sidebar{display:grid;grid-gap:18px;gap:18px}.sidebar-card{border-radius:30px;background:white;border:1px solid var(--border);box-shadow:var(--shadow);padding:24px}.sidebar-card h2{margin-top:0}.sidebar-card p{color:var(--muted);line-height:1.65}.footer{margin-top:26px;padding:22px 0 38px;border-top:1px solid var(--border)}.footer-grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:1fr 1fr;align-items:center}.warn{border-radius:22px;border:1px solid var(--warning-border);background:var(--warning-bg);color:var(--warning-text);padding:16px}.warn strong{display:block;margin-bottom:6px}.small{font-size:14px;line-height:1.6;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@media (max-width:920px){.feature-grid,.footer-grid,.hero-grid,.summary-section{grid-template-columns:1fr}}@media (max-width:640px){.container{width:min(100% - 20px,1120px)}.card-content,.sidebar-card{padding:18px}.preset-grid,.summary-grid{grid-template-columns:1fr}.result-hero{flex-direction:column}}