:root{--bg: #0b1020;--bg-soft: #121a30;--surface: #ffffff;--surface-alt: #f5f7fb;--border: #e4e8f0;--text: #1a2233;--text-muted: #5b6577;--text-invert: #eef2fb;--brand: #0b3d91;--brand-2: #1769ff;--accent: #00b894;--danger: #e74c3c;--warning: #f4a261;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 16px rgba(16, 24, 40, .06);--maxw: 1120px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--text);background:var(--surface-alt);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{line-height:1.2;color:var(--text);font-weight:700;margin:0 0 .5em}h1{font-size:clamp(1.9rem,4.5vw,2.8rem);letter-spacing:-.02em}h2{font-size:clamp(1.4rem,3vw,1.9rem);letter-spacing:-.01em;margin-top:1.6em}h3{font-size:1.2rem;margin-top:1.4em}p{margin:0 0 1em}a{color:var(--brand-2);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.narrow{max-width:760px}.site-header{position:sticky;top:0;z-index:50;background:#0b1020eb;backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgba(255,255,255,.08)}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text-invert);font-size:1.15rem;letter-spacing:-.01em}.brand:hover{text-decoration:none}.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px #1769ff40}.brand small{display:block;font-size:.62rem;font-weight:600;color:#8ea2c9;letter-spacing:.06em;text-transform:uppercase}nav.primary{display:flex;align-items:center;gap:4px}nav.primary a{color:#c7d2e8;padding:8px 12px;border-radius:var(--radius-sm);font-size:.92rem;font-weight:500}nav.primary a:hover{background:#ffffff14;color:#fff;text-decoration:none}nav.primary a[aria-current=page]{color:#fff;background:#1769ff40}.menu-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--text-invert);padding:8px}.menu-toggle svg{width:26px;height:26px}@media(max-width:880px){nav.primary{position:fixed;inset:64px 0 auto;flex-direction:column;align-items:stretch;background:var(--bg);padding:12px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08);transform:translateY(-130%);transition:transform .22s ease;gap:2px}nav.primary.open{transform:translateY(0)}nav.primary a{padding:12px;font-size:1rem}.menu-toggle{display:inline-flex}}.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(23,105,255,.35),transparent 60%),linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 100%);color:var(--text-invert);padding:64px 0 56px}.hero h1{color:#fff}.hero p.lead{font-size:1.15rem;color:#c7d2e8;max-width:640px}.eyebrow{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7fd8c2;background:#00b8941f;padding:5px 12px;border-radius:999px;margin-bottom:14px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--brand-2);color:#fff;padding:12px 22px;border-radius:var(--radius-sm);font-weight:600;border:0;cursor:pointer;font-size:1rem;transition:background .15s ease,transform .05s ease}.btn:hover{background:#0f56db;text-decoration:none}.btn:active{transform:translateY(1px)}.btn.secondary{background:#ffffff1f;color:#fff}.btn.secondary:hover{background:#fff3}.btn.ghost{background:transparent;color:var(--brand-2);border:1px solid var(--border)}.btn.ghost:hover{background:var(--surface-alt)}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}section.block{padding:56px 0}section.block.alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.grid{display:grid;gap:20px}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}@media(max-width:860px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .12s ease,box-shadow .12s ease}a.card{color:inherit;display:block}a.card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 8px 28px #1018281a}.card h3{margin-top:0}.card p{color:var(--text-muted);margin-bottom:0}.card .tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--brand);margin-bottom:8px;display:block}.price-widget{background:linear-gradient(135deg,var(--bg) 0%,var(--bg-soft) 100%);color:var(--text-invert);border-radius:var(--radius);padding:26px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}.price-widget .stat .label{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:#8ea2c9}.price-widget .stat .value{font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums}.price-widget .stat .value.big{font-size:2.4rem}.up{color:#2ee6a6}.down{color:#ff6b6b}.muted{color:var(--text-muted)}table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.95rem}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}tbody tr:hover{background:var(--surface-alt)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.table-wrap table{margin:0}.callout{border-left:4px solid var(--brand-2);background:var(--surface);padding:16px 20px;border-radius:var(--radius-sm);margin:1.2em 0;box-shadow:var(--shadow)}.callout.warn{border-left-color:var(--warning)}.callout.danger{border-left-color:var(--danger)}.callout strong{color:var(--text)}.callout p:last-child{margin-bottom:0}.prose{font-size:1.06rem}.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}.prose li{margin-bottom:.4em}.prose h2{padding-top:.2em}.article-meta{color:var(--text-muted);font-size:.92rem;margin-bottom:8px}.article-header{border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:26px}.breadcrumbs{font-size:.85rem;color:var(--text-muted);margin:18px 0 0}.breadcrumbs a{color:var(--text-muted)}.breadcrumbs span{margin:0 6px}.newsletter{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;border-radius:var(--radius);padding:32px}.newsletter h2{color:#fff;margin-top:0}.newsletter p{color:#ffffffe6}.newsletter form{display:grid;gap:12px;grid-template-columns:1fr 1fr;margin-top:16px}.newsletter .full{grid-column:1 / -1}.newsletter input,.newsletter select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.3);background:#ffffff1f;color:#fff;font-size:1rem}.newsletter input::placeholder{color:#ffffffb3}.newsletter input:focus,.newsletter select:focus{outline:2px solid #fff}.newsletter select option{color:#1a2233}.newsletter .btn{background:#fff;color:var(--brand)}.newsletter .btn:hover{background:#eef2fb}.newsletter label{font-size:.82rem;font-weight:600;display:block;margin-bottom:4px}.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:.9rem}.checkbox-row input{width:auto}@media(max-width:560px){.newsletter form{grid-template-columns:1fr}}.ad-slot{margin:28px auto;text-align:center;max-width:100%;min-height:90px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.8rem;background:var(--surface)}.ad-slot.live{border:0;min-height:0;display:block}.tool{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.field{margin-bottom:16px}.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.92rem}.field input,.field select{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;background:var(--surface-alt)}.field input:focus,.field select:focus{outline:2px solid var(--brand-2);background:#fff}.result{margin-top:18px;padding:18px;border-radius:var(--radius-sm);background:var(--surface-alt);font-size:1.05rem}.result .num{font-size:1.8rem;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}details.faq{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0;margin-bottom:10px;overflow:hidden}details.faq summary{cursor:pointer;padding:16px 18px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}details.faq summary::-webkit-details-marker{display:none}details.faq summary:after{content:"+";font-size:1.4rem;color:var(--brand-2);font-weight:400}details.faq[open] summary:after{content:"−"}details.faq .faq-body{padding:0 18px 16px;color:var(--text-muted)}.site-footer{background:var(--bg);color:#aab6d1;padding:48px 0 28px;margin-top:56px;border-top:1px solid rgba(255,255,255,.08)}.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:12px}.site-footer a{color:#aab6d1;display:block;padding:4px 0;font-size:.92rem}.site-footer a:hover{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}.footer-disclaimer{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem;color:#7f8db0;line-height:1.6}.footer-disclaimer strong{color:#c7d2e8}.text-center{text-align:center}.mt-0{margin-top:0}.lead{font-size:1.12rem;color:var(--text-muted)}.pill{display:inline-block;font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-alt);color:var(--brand);border:1px solid var(--border);text-transform:uppercase;letter-spacing:.04em}.disclaimer-banner{background:#fff8ec;border:1px solid #f4d9a8;color:#8a6420;font-size:.85rem;padding:10px 16px;border-radius:var(--radius-sm);margin:0 0 1.4em}.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:var(--brand);padding:10px 16px;z-index:100}.skip-link:focus{left:8px;top:8px}