:root{--ink:#132a33;--muted:#50646b;--paper:#fffdf7;--surface:#fff;--line:#d9e2df;--teal:#087f7b;--teal-dark:#075f5d;--orange:#e56a2b;--orange-soft:#fff1e8;--green:#2f7d50;--red:#a63f3f;--shadow:0 16px 40px rgba(19,42,51,.10);--radius:18px;--max:1500px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
body:before{content:"";position:fixed;inset:0;z-index:-2;background-image:linear-gradient(rgba(8,127,123,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(8,127,123,.045) 1px,transparent 1px);background-size:28px 28px}
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.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,247,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{max-width:var(--max);margin:auto;padding:.65rem 1.25rem;display:flex;align-items:center;gap:1rem}.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);margin-right:auto}.brand span{display:flex;flex-direction:column;line-height:1.12}.brand strong{font-size:1.16rem}.brand small{font-size:.74rem;color:var(--muted);margin-top:.18rem}.main-nav{display:flex;align-items:center;gap:.15rem}.main-nav a{padding:.62rem .72rem;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.91rem;font-weight:650}.main-nav a:hover,.main-nav a.active{background:#e6f4f1;color:var(--teal-dark)}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:.55rem .75rem;font-weight:700}
.site-main{min-height:65vh}.content-wrap{max-width:var(--max);margin:auto;padding:1.1rem 1.25rem 4rem}.breadcrumbs{font-size:.86rem;color:var(--muted);margin:.2rem 0 1.2rem;display:flex;gap:.48rem;flex-wrap:wrap}.breadcrumbs a{text-decoration:none}.crumb-sep{color:#91a09d}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#e8f6f3 0%,#fff7eb 65%,#fff 100%);border:1px solid var(--line);border-radius:28px;padding:clamp(1.4rem,4vw,4rem);display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:2rem;align-items:center;box-shadow:var(--shadow)}.hero:after{content:"";position:absolute;width:240px;height:240px;border:34px solid rgba(229,106,43,.08);border-radius:50%;right:-80px;top:-100px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--teal-dark);font-size:.78rem;font-weight:800}.hero h1,.page-hero h1{font-size:clamp(2.25rem,5vw,4.8rem);line-height:1.02;letter-spacing:-.045em;margin:.45rem 0 1rem}.hero p{font-size:1.15rem;max-width:67ch}.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.82rem 1.05rem;border-radius:12px;border:1px solid var(--teal);background:var(--teal);color:#fff;text-decoration:none;font-weight:800;cursor:pointer}.btn:hover{background:var(--teal-dark)}.btn.secondary{background:#fff;color:var(--teal-dark)}.hero-visual{position:relative;z-index:1}.hero-badges{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}.pill{display:inline-flex;border:1px solid #bbd7d2;background:#fff;border-radius:999px;padding:.25rem .62rem;font-size:.82rem;font-weight:700;color:var(--teal-dark)}
.page-hero{background:linear-gradient(135deg,#e9f6f4,#fff);border:1px solid var(--line);border-radius:24px;padding:clamp(1.3rem,3.2vw,2.8rem);margin-bottom:2rem}.page-hero h1{font-size:clamp(2rem,4vw,3.55rem)}.page-hero p{max-width:80ch;font-size:1.08rem}.page-hero.compact{padding:1.5rem 2rem}.page-hero.compact h1{font-size:clamp(1.85rem,3vw,2.8rem)}
.section{margin:clamp(2.5rem,5vw,5.2rem) 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1.3rem}.section-head h2{font-size:clamp(1.65rem,3vw,2.45rem);line-height:1.12;margin:0}.section-head p{max-width:65ch;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:0 7px 22px rgba(19,42,51,.06)}.card h3{font-size:1.18rem;line-height:1.2;margin:.6rem 0}.card h3 a{text-decoration:none;color:var(--ink)}.card p{color:var(--muted);margin:.4rem 0 1rem}.card-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#e6f4f1;color:var(--teal-dark);font-size:1.2rem;font-weight:900}.text-link{font-weight:800;text-decoration:none}.story-strip{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.story{background:var(--ink);color:#fff;border-radius:22px;padding:1.5rem}.story:nth-child(2){background:var(--teal-dark)}.story strong{font-size:1.3rem;display:block;margin-bottom:.5rem}.story p{color:#e8f0f1}.story .big-number{font-size:3rem;font-weight:900;color:#ffd2b9;line-height:1}
.callout{border-left:5px solid var(--teal);background:#edf8f6;padding:1rem 1.1rem;border-radius:0 14px 14px 0;margin:1.4rem 0}.callout strong{display:block;font-size:1.05rem}.callout p{margin:.3rem 0}.callout.warning{border-color:var(--orange);background:var(--orange-soft)}.callout.danger{border-color:var(--red);background:#fff0f0}.callout.success{border-color:var(--green);background:#eff9f2}
.article-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(240px,320px);gap:2.2rem;align-items:start}.article-content{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(1.2rem,3vw,2.5rem);box-shadow:0 9px 24px rgba(19,42,51,.05)}.article-content h2{font-size:1.65rem;line-height:1.22;margin-top:2.2rem}.article-content h3{font-size:1.25rem;margin-top:1.6rem}.article-content p,.article-content li{max-width:78ch}.article-content ul,.article-content ol{padding-left:1.35rem}.article-content li+li{margin-top:.45rem}.side-card{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:1.1rem}.side-card h2{font-size:1.1rem;margin-top:0}.side-card li+li{margin-top:.45rem}.byline{display:flex;gap:.7rem;align-items:center;color:var(--muted);font-size:.9rem;margin-top:1rem}.byline-mark{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#e6f4f1;color:var(--teal-dark);font-weight:900}
.tool-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.65fr);gap:1.3rem;align-items:start}.tool-panel,.result-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:1.35rem;box-shadow:var(--shadow)}.tool-panel h2,.result-panel h2{margin-top:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem}.form-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.field{display:flex;flex-direction:column;gap:.32rem}.field label{font-weight:750}.field small{color:var(--muted)}input,select,textarea{width:100%;border:1px solid #b9c7c4;border-radius:10px;padding:.7rem .75rem;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:3px solid rgba(8,127,123,.18);border-color:var(--teal)}fieldset{border:1px solid var(--line);border-radius:14px;margin:1rem 0;padding:1rem}legend{font-weight:850;padding:0 .35rem}.tool-actions{display:flex;gap:.65rem;flex-wrap:wrap;margin-top:1rem}.result-panel{min-height:220px}.result-panel .empty{color:var(--muted)}.result-status{border-radius:14px;padding:1rem;margin-bottom:1rem;font-weight:800}.result-status.pass{background:#eaf7ee;color:#225f3b}.result-status.warn{background:#fff4e7;color:#8d481e}.result-status.fail{background:#fdecec;color:#8c3030}.result-list{list-style:none;padding:0;margin:0}.result-list li{display:flex;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--line);padding:.62rem 0}.result-list strong{text-align:right}.tool-note{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem;margin-top:1rem}.checkpoint-row{display:grid;grid-template-columns:1.4fr repeat(3,1fr) auto;gap:.55rem;align-items:end;margin-bottom:.7rem}.remove-row{background:#fff;border:1px solid #d7a6a6;color:#8c3030;border-radius:9px;padding:.65rem;cursor:pointer}.output-block{background:#f3f8f7;border:1px dashed #8ab7ae;border-radius:12px;padding:1rem;white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem}
.checklist{background:#fff;border:1px solid var(--line);border-radius:20px;padding:1.3rem}.checklist-group{margin:1.4rem 0}.checklist-group h2{font-size:1.25rem}.check-item{display:flex;gap:.7rem;padding:.65rem 0;border-bottom:1px solid #e9eeec}.check-item input{width:1.15rem;height:1.15rem;margin-top:.2rem;flex:0 0 auto}.print-note{background:#f2f7f6;border-radius:12px;padding:.8rem;margin-bottom:1rem;color:var(--muted)}.definition-list dt{font-weight:850;margin-top:1rem}.definition-list dd{margin-left:0;color:var(--muted)}
.site-footer{background:var(--ink);color:#dce8e9;margin-top:2rem}.footer-grid{max-width:var(--max);margin:auto;padding:2rem 1.25rem;display:grid;grid-template-columns:1fr 2fr;gap:2rem}.footer-brand{display:flex;align-items:center;gap:.7rem;color:#fff;text-decoration:none}.footer-grid nav{display:flex;flex-wrap:wrap;gap:.55rem 1rem;align-content:start;justify-content:flex-end}.footer-grid nav a{color:#dce8e9;text-decoration:none;font-size:.88rem}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);max-width:var(--max);margin:auto;padding:1rem 1.25rem;display:flex;justify-content:space-between;gap:1rem;font-size:.83rem;color:#b7c7c9}.notice-bar{background:#fff6ec;border:1px solid #f0c8a9;border-radius:15px;padding:1rem;display:flex;gap:.75rem;align-items:flex-start}.notice-bar strong{color:#8d481e}.metric-pair{display:grid;grid-template-columns:1fr auto 1fr;gap:.65rem;align-items:end}.metric-pair .equals{font-weight:900;padding-bottom:.75rem}
@media(max-width:1050px){.grid.four{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}.hero-visual{max-width:720px;margin:auto}.article-layout,.tool-shell{grid-template-columns:1fr}.side-card{position:static}.main-nav{position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);padding:.8rem 1rem;display:none;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.nav-toggle{display:block}}
@media(max-width:700px){.content-wrap{padding-left:.8rem;padding-right:.8rem}.brand small{display:none}.grid,.grid.two,.grid.four,.story-strip,.form-grid,.form-grid.three,.footer-grid{grid-template-columns:1fr}.hero{padding:1.25rem;border-radius:20px}.page-hero{padding:1.2rem}.hero h1{font-size:2.45rem}.section-head{display:block}.checkpoint-row{grid-template-columns:1fr 1fr}.checkpoint-row .field:first-child,.checkpoint-row .remove-row{grid-column:1/-1}.footer-grid nav{justify-content:flex-start}.footer-bottom{display:block}.metric-pair{grid-template-columns:1fr}.metric-pair .equals{display:none}.article-content,.tool-panel,.result-panel{padding:1rem}}
@media print{.site-header,.site-footer,.breadcrumbs,.hero-actions,.tool-actions,.side-card,.nav-toggle,.no-print{display:none!important}body{background:#fff}.content-wrap{max-width:none;padding:0}.article-layout{display:block}.article-content,.checklist,.tool-panel,.result-panel{box-shadow:none;border:0;padding:0}.check-item{break-inside:avoid}.page-hero{border:0;padding:0}.page-hero h1{font-size:2rem}}