@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg:#f4f6fb;--surface:#fff;--surface-2:#eef2f9;--text:#0e1526;--muted:#566075;--border:#dde3ee;--brand:#1f5bff;--brand-2:#00b8e6;--brand-ink:#fff;--accent:#ffb400;--ok-bg:#e5f7ec;--ok:#11632d;--bad-bg:#fdeaea;--bad:#9b1c1c;--radius:18px;--maxw:1120px;--shadow:0 1px 2px #0e15260d, 0 8px 24px -12px #0e15262e;--shadow-lg:0 2px 4px #0e15260f, 0 24px 48px -20px #1f5bff59}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#080d1a;--surface:#0f1729;--surface-2:#14203a;--text:#e9eefb;--muted:#94a0ba;--border:#1e2b47;--brand:#5b8cff;--brand-2:#35d0ff;--brand-ink:#06102a;--ok-bg:#11301d;--ok:#7fd49a;--bad-bg:#3a1618;--bad:#ff9b9b;--shadow:0 1px 2px #0006, 0 8px 24px -12px #0009;--shadow-lg:0 2px 4px #00000080, 0 24px 48px -20px #5b8cff59}}:root[data-theme=dark]{--bg:#080d1a;--surface:#0f1729;--surface-2:#14203a;--text:#e9eefb;--muted:#94a0ba;--border:#1e2b47;--brand:#5b8cff;--brand-2:#35d0ff;--brand-ink:#06102a;--ok-bg:#11301d;--ok:#7fd49a;--bad-bg:#3a1618;--bad:#ff9b9b;--shadow:0 1px 2px #0006, 0 8px 24px -12px #0009;--shadow-lg:0 2px 4px #00000080, 0 24px 48px -20px #5b8cff59}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font:16px/1.65 Inter Variable,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--brand)}img,svg{max-width:100%}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}.skip{position:absolute;left:-999px}.skip:focus{background:var(--surface);z-index:20;border-radius:8px;padding:8px 12px;top:12px;left:12px}.ico{flex:none;width:1.25em;height:1.25em}header.site{z-index:10;background:color-mix(in srgb, var(--bg) 82%, transparent);-webkit-backdrop-filter:saturate(160%)blur(14px);border-bottom:1px solid var(--border);position:sticky;top:0}header.site .wrap{justify-content:space-between;align-items:center;gap:16px;height:66px;display:flex}.logo{letter-spacing:-.02em;color:var(--text);align-items:center;gap:10px;font-size:1.2rem;font-weight:800;text-decoration:none;display:flex}.logo svg{filter:drop-shadow(0 4px 10px #1f5bff59);width:32px;height:32px}.logo em{background:linear-gradient(90deg, var(--brand), var(--brand-2));color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}nav.main{align-items:center;gap:2px;display:flex}nav.main a{color:var(--muted);border-radius:999px;padding:8px 14px;font-size:.94rem;font-weight:600;text-decoration:none;transition:color .15s,background .15s}nav.main a:hover{color:var(--text);background:var(--surface-2)}nav.main a[aria-current=page]{color:var(--brand);background:color-mix(in srgb, var(--brand) 12%, transparent)}main{min-height:60vh;padding:48px 0 80px}main.home{padding-top:0}h1{letter-spacing:-.03em;margin:0 0 14px;font-size:clamp(2rem,4.4vw,3rem);font-weight:800;line-height:1.12}h2{letter-spacing:-.02em;margin:2.4em 0 .6em;font-size:1.6rem;font-weight:750}h3{letter-spacing:-.01em;margin:1.8em 0 .4em;font-size:1.15rem}.lead{color:var(--muted);max-width:680px;font-size:1.15rem}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--brand);align-items:center;gap:8px;margin:0 0 10px;font-size:.74rem;font-weight:800;display:inline-flex}.eyebrow:before{content:"";background:linear-gradient(90deg, var(--brand), var(--brand-2));border-radius:2px;width:22px;height:2px}.section-head{justify-content:space-between;align-items:end;gap:16px;margin:64px 0 22px;display:flex}.section-head h2{margin:0}.section-head a{white-space:nowrap;font-weight:700;text-decoration:none}.hero-band{color:#eaf0ff;background:radial-gradient(900px 420px at 85% -10%,#00b8e659,#0000 60%),radial-gradient(700px 400px at 5% 10%,#1f5bff80,#0000 60%),linear-gradient(#070c1d 0%,#0b1330 100%);position:relative;overflow:hidden}.hero-band:before{content:"";background-image:linear-gradient(90deg,#ffffff0f 1px,#0000 1px),linear-gradient(#ffffff0f 1px,#0000 1px);background-size:44px 44px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 50% 30%,#000 30%,#0000 75%);mask-image:radial-gradient(at 50% 30%,#000 30%,#0000 75%)}.hero{grid-template-columns:1.15fr .85fr;align-items:center;gap:48px;padding:84px 0 96px;display:grid;position:relative}.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.6rem)}.hero h1 .grad{background:linear-gradient(90deg,#7fa6ff,#35d0ff 55%,#ffd36b);color:#0000;-webkit-background-clip:text;background-clip:text}.hero .lead{color:#b6c3e2}.hero .eyebrow{color:#7fd8ff}.hero .eyebrow:before{background:#7fd8ff}.pill{color:#cfe0ff;background:#ffffff14;border:1px solid #ffffff24;border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 12px;font-size:.8rem;font-weight:700;display:inline-flex}.pill i{background:#3be28a;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #3be28a33}.btns{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:12px;align-items:center;gap:8px;padding:13px 22px;font-family:inherit;font-size:1rem;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg, var(--brand), #3b7bff);color:#fff;border-color:#0000;box-shadow:0 10px 24px -10px #1f5bffcc}.btn.ghost-light{color:#fff;background:#ffffff14;border-color:#ffffff38}.btn.ghost-light:hover{background:#ffffff24}.trust{color:#a9b8da;flex-wrap:wrap;gap:8px 22px;margin-top:34px;font-size:.92rem;font-weight:600;display:flex}.trust span{align-items:center;gap:8px;display:inline-flex}.trust .ico{color:#3be28a}.demo{backdrop-filter:blur(6px);background:linear-gradient(#ffffff1a,#ffffff0a);border:1px solid #ffffff29;border-radius:22px;padding:22px;box-shadow:0 30px 60px -30px #000000b3}.demo-top{color:#fff;align-items:center;gap:10px;margin-bottom:16px;font-weight:700;display:flex}.demo-top .ico{color:var(--accent)}.demo dl{grid-template-columns:1fr auto;gap:10px 16px;margin:0;font-size:.95rem;display:grid}.demo dt{color:#9fb0d6}.demo dd{text-align:right;color:#fff;font-variant-numeric:tabular-nums;margin:0;font-weight:700}.demo .res{color:#7ff0b0;background:#3be28a1f;border:1px solid #3be28a59;border-radius:14px;justify-content:space-between;align-items:center;margin-top:18px;padding:14px 16px;font-weight:800;display:flex}.demo .res small{color:#a6f3c6;font-weight:600}.demo-bar{background:#ffffff1a;border-radius:8px;height:8px;margin-top:14px;overflow:hidden}.demo-bar i{background:linear-gradient(90deg,#3be28a,#7ff0b0);border-radius:8px;width:15%;height:100%;display:block}.tool{grid-template-columns:minmax(0,400px) minmax(0,1fr);align-items:start;gap:24px;margin-top:28px;display:grid}.tool .panel{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;padding:22px}.tool .panel+.panel{margin-top:18px}.tool .panel h2{margin:0 0 14px;font-size:1.05rem}.tool label{color:var(--muted);margin:12px 0 5px;font-size:.86rem;font-weight:700;display:block}.tool .panel>label:first-of-type,.tool .grp:first-child>label:first-child{margin-top:0}.tool input,.tool select{border:1px solid var(--border);background:var(--surface-2);width:100%;color:var(--text);font:inherit;border-radius:10px;padding:10px 12px;font-size:.98rem}.tool input:focus,.tool select:focus{outline:2px solid color-mix(in srgb, var(--brand) 60%, transparent);outline-offset:1px}.tool .two{grid-template-columns:1fr 1fr;gap:12px;display:grid}.tool .chk{color:var(--text);align-items:center;gap:10px;margin:8px 0 0;font-size:.95rem;font-weight:600;display:flex}.tool .chk input{width:auto}.tool .hint{color:var(--muted);margin:6px 0 0;font-size:.82rem}.kpis{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px;display:grid}.kpi{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:12px 14px}.kpi span{color:var(--muted);font-size:.78rem;font-weight:700;display:block}.kpi b{font-variant-numeric:tabular-nums;margin-top:2px;font-size:1.35rem;display:block}.kpi small{color:var(--muted);font-size:.78rem}.kpi.main{background:color-mix(in srgb, var(--brand) 10%, var(--surface));border-color:color-mix(in srgb, var(--brand) 40%, var(--border))}.kpi.ok b{color:var(--ok)}.kpi.bad b{color:var(--bad)}.tool table{border-collapse:collapse;width:100%;font-size:.92rem}.tool th,.tool td{text-align:left;border-bottom:1px solid var(--border);font-variant-numeric:tabular-nums;padding:8px 10px}.tool th{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.78rem}.tool .tblwrap{overflow-x:auto}.badge-ok,.badge-bad{border-radius:999px;padding:2px 9px;font-size:.78rem;font-weight:800;display:inline-block}.badge-ok{background:var(--ok-bg);color:var(--ok)}.badge-bad{background:var(--bad-bg);color:var(--bad)}.tool .msg{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;margin-top:12px;padding:12px 14px;font-size:.92rem}.tool .msg.warn{background:color-mix(in srgb, var(--accent) 12%, var(--surface));border-color:color-mix(in srgb, var(--accent) 45%, var(--border))}.tool .empty{color:var(--muted);text-align:center;padding:30px 10px}.tool details{margin-top:14px}.tool summary{cursor:pointer;font-weight:700}.tool .steps{color:var(--muted);margin:10px 0 0;padding-left:18px;font-size:.92rem}.tool .steps li{margin:4px 0}.tool .steps code{font-size:.86em}.mets{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.met{border:1.5px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;font:inherit;border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:6px 4px 8px;transition:border-color .15s,background .15s,transform .15s;display:flex}.met:hover{border-color:color-mix(in srgb, var(--brand) 55%, var(--border));transform:translateY(-1px)}.met.on{border-color:var(--brand);background:color-mix(in srgb, var(--brand) 12%, var(--surface));box-shadow:0 0 0 2px color-mix(in srgb, var(--brand) 25%, transparent)}.met svg{width:100%;height:auto}.met span{text-align:center;color:var(--muted);font-size:.66rem;font-weight:600;line-height:1.2}.met.on span{color:var(--text)}.met .wall{fill:var(--surface);stroke:var(--muted);stroke-width:1.4px}.met .hatch{stroke:var(--muted);stroke-width:1px;opacity:.5;fill:none}.met .tube{fill:color-mix(in srgb, var(--brand) 10%, var(--surface));stroke:var(--brand);stroke-width:1.8px}.met .cond{fill:#f59e0b;stroke:var(--text);stroke-width:.5px}.met .cab{fill:color-mix(in srgb, var(--text) 18%, var(--surface));stroke:var(--text);stroke-width:1.3px}.met .gap{stroke:var(--muted);stroke-width:1.3px;stroke-dasharray:2 2;fill:none}.met .soil{fill:color-mix(in srgb, #92400e 22%, var(--surface));stroke:var(--muted);stroke-width:1px}.met .sand{fill:color-mix(in srgb, #f59e0b 30%, var(--surface));stroke:none}.met .tile{fill:var(--muted)}.met .tray{stroke:var(--muted);stroke-width:2.5px;fill:none}.met .lt{fill:var(--brand);font-size:9px;font-weight:800}@media (width<=860px){.tool{grid-template-columns:1fr}}:root[data-theme=light] .hero-band{color:var(--text);background:radial-gradient(900px 420px at 85% -10%,#00b8e62e,#0000 60%),radial-gradient(700px 400px at 5% 10%,#1f5bff29,#0000 60%),linear-gradient(#f4f7ff 0%,#e8efff 100%)}:root[data-theme=light] .hero-band:before{background-image:linear-gradient(90deg,#0f1e5012 1px,#0000 1px),linear-gradient(#0f1e5012 1px,#0000 1px)}:root[data-theme=light] .hero h1{color:var(--text)}:root[data-theme=light] .hero h1 .grad{background:linear-gradient(90deg,#1f5bff,#0891b2 60%,#d97706);color:#0000;-webkit-background-clip:text;background-clip:text}:root[data-theme=light] .hero .lead{color:var(--muted)}:root[data-theme=light] .hero .eyebrow{color:var(--brand)}:root[data-theme=light] .pill{color:#274690;background:#1f5bff14;border-color:#1f5bff33}:root[data-theme=light] .btn.ghost-light{background:var(--surface);border-color:var(--border);color:var(--text)}:root[data-theme=light] .btn.ghost-light:hover{background:var(--surface-2)}:root[data-theme=light] .trust{color:var(--muted)}:root[data-theme=light] .trust .ico{color:#16a34a}:root[data-theme=light] .demo{background:var(--surface);border-color:var(--border);box-shadow:0 30px 60px -34px #0f1e5059}:root[data-theme=light] .demo-top{color:var(--text)}:root[data-theme=light] .demo dt{color:var(--muted)}:root[data-theme=light] .demo dd{color:var(--text)}:root[data-theme=light] .demo .res{color:#15803d;background:#16a34a1a;border-color:#16a34a59}:root[data-theme=light] .demo .res small{color:#166534}:root[data-theme=light] .demo-bar{background:var(--surface-2)}@media (prefers-color-scheme:light){:root:not([data-theme=dark]) .hero-band{color:var(--text);background:radial-gradient(900px 420px at 85% -10%,#00b8e62e,#0000 60%),radial-gradient(700px 400px at 5% 10%,#1f5bff29,#0000 60%),linear-gradient(#f4f7ff 0%,#e8efff 100%)}:root:not([data-theme=dark]) .hero-band:before{background-image:linear-gradient(90deg,#0f1e5012 1px,#0000 1px),linear-gradient(#0f1e5012 1px,#0000 1px)}:root:not([data-theme=dark]) .hero h1{color:var(--text)}:root:not([data-theme=dark]) .hero h1 .grad{background:linear-gradient(90deg,#1f5bff,#0891b2 60%,#d97706);color:#0000;-webkit-background-clip:text;background-clip:text}:root:not([data-theme=dark]) .hero .lead{color:var(--muted)}:root:not([data-theme=dark]) .hero .eyebrow{color:var(--brand)}:root:not([data-theme=dark]) .pill{color:#274690;background:#1f5bff14;border-color:#1f5bff33}:root:not([data-theme=dark]) .btn.ghost-light{background:var(--surface);border-color:var(--border);color:var(--text)}:root:not([data-theme=dark]) .trust{color:var(--muted)}:root:not([data-theme=dark]) .trust .ico{color:#16a34a}:root:not([data-theme=dark]) .demo{background:var(--surface);border-color:var(--border);box-shadow:0 30px 60px -34px #0f1e5059}:root:not([data-theme=dark]) .demo-top{color:var(--text)}:root:not([data-theme=dark]) .demo dt{color:var(--muted)}:root:not([data-theme=dark]) .demo dd{color:var(--text)}:root:not([data-theme=dark]) .demo .res{color:#15803d;background:#16a34a1a;border-color:#16a34a59}:root:not([data-theme=dark]) .demo .res small{color:#166534}:root:not([data-theme=dark]) .demo-bar{background:var(--surface-2)}}.grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:28px;display:grid}.grid.f3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:inherit;box-shadow:var(--shadow);flex-direction:column;gap:6px;padding:26px;text-decoration:none;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;position:relative;overflow:hidden}a.card:hover{border-color:color-mix(in srgb, var(--brand) 55%, var(--border));box-shadow:var(--shadow-lg);transform:translateY(-4px)}.card h3{margin:6px 0 4px;font-size:1.15rem;line-height:1.3}.card p{color:var(--muted);margin:0;font-size:.96rem}.card .more{color:var(--brand);align-items:center;gap:6px;margin-top:auto;padding-top:14px;font-size:.94rem;font-weight:700;display:inline-flex}.card .more .ico{transition:transform .18s}a.card:hover .more .ico{transform:translate(4px)}.badge{color:#fff;background:linear-gradient(135deg, var(--brand), var(--brand-2));width:48px;height:48px;box-shadow:0 10px 20px -10px var(--brand);border-radius:14px;place-items:center;margin-bottom:8px;display:grid}.badge .ico{width:24px;height:24px}.badge.amber{color:#3a2600;background:linear-gradient(135deg,#ff9d00,#ffd000);box-shadow:0 10px 20px -10px #ff9d00}.badge.green{background:linear-gradient(135deg,#12b76a,#5bdc9a);box-shadow:0 10px 20px -10px #12b76a}.badge.violet{background:linear-gradient(135deg,#6c4dff,#a78bff);box-shadow:0 10px 20px -10px #6c4dff}.tag{text-transform:uppercase;letter-spacing:.1em;color:var(--brand);background:color-mix(in srgb, var(--brand) 12%, transparent);border-radius:999px;align-self:flex-start;padding:4px 10px;font-size:.7rem;font-weight:800;display:inline-flex}.meta{color:var(--muted);font-size:.88rem}.thumb{background:linear-gradient(135deg,#0b1330,#1f3a8f);height:120px;margin:-26px -26px 14px;position:relative;overflow:hidden}.thumb:before{content:"";background-image:linear-gradient(90deg,#ffffff17 1px,#0000 1px),linear-gradient(#ffffff17 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0}.thumb svg{opacity:.95;width:110px;height:110px;position:absolute;bottom:-10px;right:18px}.thumb.norm{background:linear-gradient(135deg,#2b1458,#6c4dff)}.thumb.calc{background:linear-gradient(135deg,#062a4a,#0090d8)}.prose{max-width:740px}.prose p,.prose li{font-size:1.06rem}.prose a{text-underline-offset:3px}.prose code{background:var(--surface-2);border:1px solid var(--border);border-radius:7px;padding:2px 7px;font-size:.9em}.prose pre{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:14px;overflow-x:auto}.prose table{border-collapse:separate;border-spacing:0;border:1px solid var(--border);background:var(--surface);border-radius:12px;width:100%;margin:1.4em 0;font-size:.96rem;overflow:hidden}.prose th,.prose td{text-align:left;border-bottom:1px solid var(--border);padding:10px 14px}.prose tr:last-child td{border-bottom:0}.prose th{background:var(--surface-2);font-weight:700}@media (width<=760px){.prose table{-webkit-overflow-scrolling:touch;font-size:.88rem;display:block;overflow-x:auto}.prose th,.prose td{padding:8px 10px}}.note{border:1px solid color-mix(in srgb, var(--accent) 45%, var(--border));background:color-mix(in srgb, var(--accent) 10%, var(--surface));border-radius:14px;margin:1.6em 0;padding:14px 18px}article.prose>p:first-of-type{color:var(--muted);font-size:1.15rem}.article-head{padding:8px 0}form.calc{background:var(--surface);border:1px solid var(--border);max-width:680px;box-shadow:var(--shadow);border-radius:22px;padding:28px}.row{grid-template-columns:1fr 1fr;gap:16px;display:grid}label{color:var(--muted);margin:14px 0 6px;font-size:.84rem;font-weight:700;display:block}input,select,textarea{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);font:inherit;border-radius:12px;padding:12px 14px}input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible,.btn:focus-visible{outline:3px solid color-mix(in srgb, var(--brand) 45%, transparent);outline-offset:2px}.result{border-radius:14px;margin-top:20px;padding:18px;font-size:1.05rem;font-weight:800}.result.ok{background:var(--ok-bg);color:var(--ok)}.result.bad{background:var(--bad-bg);color:var(--bad)}.result small{opacity:.92;margin-top:6px;font-size:.92rem;font-weight:500;display:block}footer.site{border-top:1px solid var(--border);background:var(--surface);color:var(--muted);padding:44px 0 30px;font-size:.94rem}.foot{grid-template-columns:1.4fr 1fr 1fr;gap:32px;display:grid}.foot h4{color:var(--text);text-transform:uppercase;letter-spacing:.1em;margin:0 0 10px;font-size:.85rem}.foot a{color:var(--muted);padding:3px 0;text-decoration:none;display:block}.foot a:hover{color:var(--brand)}.foot p{max-width:340px;margin:10px 0 0}.legalline{border-top:1px solid var(--border);margin-top:30px;padding-top:20px;font-size:.85rem}@media (width<=860px){.hero{grid-template-columns:1fr;gap:36px;padding:56px 0 64px}.foot{grid-template-columns:1fr 1fr}.foot>:first-child{grid-column:1/-1}}@media (width<=600px){.row{grid-template-columns:1fr}header.site .wrap{flex-wrap:wrap;justify-content:flex-start;height:auto;padding-top:10px;padding-bottom:8px;position:relative}.hdr-right{width:100%}nav.main{scrollbar-width:none;justify-content:flex-start;width:100%;overflow-x:auto}nav.main::-webkit-scrollbar{display:none}nav.main a{white-space:nowrap;flex:none;padding:6px 8px;font-size:.88rem}.theme-btn{margin:0;position:absolute;top:12px;right:22px}.section-head{flex-direction:column;align-items:start}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.theme-btn{border:1px solid var(--border);background:var(--surface);width:40px;height:40px;color:var(--muted);cursor:pointer;border-radius:999px;place-items:center;margin-left:6px;display:grid}.theme-btn:hover{color:var(--text)}.theme-btn svg{width:18px;height:18px}.theme-btn .sun{display:none}:root[data-theme=dark] .theme-btn .sun{display:block}:root[data-theme=dark] .theme-btn .moon{display:none}.hdr-right{align-items:center;gap:4px;display:flex}.search-btn{margin-left:0}@media (width<=600px){.search-btn{position:absolute;top:12px;right:68px}}dialog#buscador{border:1px solid var(--border);background:var(--surface);max-height:84vh;color:var(--text);flex-direction:column;margin:7vh auto auto;padding:0;display:none;overflow:hidden}dialog#buscador[open]{display:flex}dialog#buscador::backdrop{backdrop-filter:blur(3px);background:#0e15268c}.bq-head{justify-content:space-between;align-items:center;display:flex}#bq-ui{overflow-y:auto}.bq-msg{color:var(--muted);margin:8px 0}#bq-ui{--pagefind-ui-scale:.95;--pagefind-ui-primary:var(--brand);--pagefind-ui-text:var(--text);--pagefind-ui-background:var(--surface);--pagefind-ui-border:var(--border);--pagefind-ui-tag:var(--surface-2);--pagefind-ui-border-width:1px;--pagefind-ui-border-radius:12px;--pagefind-ui-font:inherit}#bq-ui mark{background:color-mix(in srgb, var(--accent) 45%, transparent);color:inherit;border-radius:3px;padding:0 1px}dialog#buscador{border-radius:22px;width:min(740px,100vw - 24px);box-shadow:0 30px 80px -20px #0e15268c}.bq-head{border-bottom:0;padding:12px 14px 12px 22px}.bq-head strong{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:.8rem}.bq-head button{font:inherit;letter-spacing:.02em;color:var(--muted);border:1px solid var(--border);background:var(--surface-2);cursor:pointer;border-radius:8px;padding:4px 9px;font-size:.72rem;font-weight:700}#bq-ui{padding:0 18px 18px}#bq-ui .pagefind-ui__form{position:relative}#bq-ui .pagefind-ui__search-input{border:1.5px solid var(--border);background:var(--surface-2);height:54px;color:var(--text);box-shadow:none;border-radius:16px;padding:0 92px 0 54px;font-size:1.05rem;font-weight:600}#bq-ui .pagefind-ui__search-input:focus{border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent);outline:none}#bq-ui .pagefind-ui__search-input::placeholder{opacity:.55;font-weight:500}#bq-ui .pagefind-ui__form:before{opacity:.6;width:16px;height:16px;top:19px;left:20px}#bq-ui .pagefind-ui__search-clear{border:1px solid var(--border);background:var(--surface);width:auto;height:32px;color:var(--muted);border-radius:9px;padding:0 12px;font-size:.78rem;font-weight:700;top:11px;right:10px}#bq-ui .pagefind-ui__search-clear:hover{color:var(--text)}#bq-ui .pagefind-ui__drawer{gap:0}#bq-ui .pagefind-ui__message{color:var(--muted);height:auto;padding:16px 6px 8px;font-size:.82rem;font-weight:600}#bq-ui .pagefind-ui__result{border:0;border-radius:14px;margin:2px 0;padding:14px 16px;transition:background .15s}#bq-ui .pagefind-ui__result:hover{background:var(--surface-2)}#bq-ui .pagefind-ui__result-inner{margin:0}#bq-ui .pagefind-ui__result-title{margin:0 0 4px;font-size:1.02rem;font-weight:800;line-height:1.3}#bq-ui .pagefind-ui__result-link{color:var(--text);text-decoration:none}#bq-ui .pagefind-ui__result:hover .pagefind-ui__result-link{color:var(--brand)}#bq-ui .pagefind-ui__result-excerpt{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.9rem;line-height:1.5;display:-webkit-box;overflow:hidden}#bq-ui .pagefind-ui__button{border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:999px;height:auto;margin:10px auto 4px;padding:9px 20px;font-size:.85rem;font-weight:700;display:block}#bq-ui .pagefind-ui__button:hover{border-color:var(--brand);color:var(--brand)}.bq-tag{letter-spacing:.06em;text-transform:uppercase;vertical-align:2px;background:color-mix(in srgb, var(--brand) 12%, var(--surface));color:var(--brand);border-radius:999px;margin-right:8px;padding:2px 8px;font-size:.64rem;font-weight:800;display:inline-block}.bq-tag[data-t=herramienta]{background:color-mix(in srgb, #ff9d00 18%, var(--surface));color:#b45f00}.bq-tag[data-t=reglamento]{background:color-mix(in srgb, #16a34a 14%, var(--surface));color:#11632d}.bq-tag[data-t=biblioteca]{background:color-mix(in srgb, #a855f7 14%, var(--surface));color:#7e22ce}.bq-chips{flex-wrap:wrap;align-items:center;gap:8px;padding:16px 4px 4px;display:flex}.bq-chips span{color:var(--muted);margin-right:2px;font-size:.78rem;font-weight:700}.bq-chips button{font:inherit;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;border-radius:999px;padding:6px 13px;font-size:.84rem;font-weight:600}.bq-chips button:hover{border-color:var(--brand);color:var(--brand)}.prose p:has(>code:only-child){text-align:center;margin:1.3em 0}.prose p:has(>code:only-child)>code{padding:8px 16px;font-size:1.05rem;display:inline-block}.prose td:has(>code:only-child){text-align:center}.formula{text-align:center;margin:1.3em 0}.formula code{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:8px 16px;font-size:1.05rem;display:inline-block}.dg{width:100%;min-width:700px;height:auto;font-family:inherit;display:block}.dg .t-title{fill:var(--text);font-size:17px;font-weight:800}.dg .t-sub{fill:var(--muted);font-size:12.5px}.dg .t-sm{fill:var(--muted);font-size:11.5px;font-weight:600}.dg .t-md{fill:var(--text);font-size:13px;font-weight:700}.dg .t-val{font-size:12px;font-weight:800}.dg .grid{stroke:var(--border);stroke-width:1.5px;stroke-dasharray:3 5}.dg .axis{stroke:var(--muted);stroke-width:1.5px;fill:none}.dg .caja,.dg .box{fill:var(--surface-2);stroke:var(--border);stroke-width:2px}.dg .wire{stroke:var(--text);stroke-width:2.2px;fill:none;stroke-linecap:round;stroke-linejoin:round}.dg .halo{paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round}.btn.btn-acc{color:#fff;background:linear-gradient(135deg,#ff4d2e,#ff9d00);border-color:#0000;box-shadow:0 10px 24px -10px #ff5a28d9}.btn.btn-acc:hover{filter:brightness(1.06)}nav.main a#nav-acc{color:#fff;background:linear-gradient(135deg,#ff4d2e,#ff9d00);margin-left:6px;font-weight:800;box-shadow:0 8px 18px -8px #ff5a28e6}nav.main a#nav-acc:hover,nav.main a#nav-acc[aria-current=page]{color:#fff;filter:brightness(1.07);background:linear-gradient(135deg,#ff4d2e,#ff9d00)}.gate-acc{background:linear-gradient(135deg,#ff4d2e24,#ff9d0024);border:1px solid #ff5a2859;border-radius:16px;max-width:720px;margin:28px auto;padding:20px 22px}.eyebrow.acc{color:#ff5a2e}.eyebrow.acc:before{background:linear-gradient(90deg,#ff4d2e,#ff9d00)}.tag.tag-acc{color:#fff;background:linear-gradient(135deg,#ff4d2e,#ff9d00);box-shadow:0 6px 14px -8px #ff5a28e6}.thumb.has-img:before{display:none}.thumb.has-img img{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}.foot-news{border:1px solid var(--border);background:var(--surface);border-radius:16px;margin:26px 0 8px;padding:18px 20px}footer.site a.soc{align-items:center;margin-top:4px;display:inline-flex}.nl-form[data-astro-cid-c5a5jkvp]{max-width:520px}.nl-label[data-astro-cid-c5a5jkvp]{margin-bottom:6px;font-weight:800;display:block}.nl-row[data-astro-cid-c5a5jkvp]{flex-wrap:wrap;gap:8px;display:flex}.nl-row[data-astro-cid-c5a5jkvp] input[data-astro-cid-c5a5jkvp]{border:1px solid var(--border);background:var(--surface);color:inherit;border-radius:12px;flex:220px;padding:12px 14px;font-size:1rem}.nl-msg[data-astro-cid-c5a5jkvp]{min-height:1.2em;margin:6px 0 0;font-size:.92rem}.nl-msg[data-astro-cid-c5a5jkvp].ok{color:#12805c;font-weight:700}.nl-msg[data-astro-cid-c5a5jkvp].err{color:#c0261d}.nl-legal[data-astro-cid-c5a5jkvp]{color:var(--muted);margin:6px 0 0;font-size:.8rem}.compact[data-astro-cid-c5a5jkvp] .nl-row[data-astro-cid-c5a5jkvp] input[data-astro-cid-c5a5jkvp]{padding:10px 12px}