:root{
  --ink:#17221f;
  --muted:#586963;
  --paper:#fffdf6;
  --panel:#ffffff;
  --soft:#f2ead7;
  --line:#ded1b4;
  --brand:#2e6f5f;
  --brand-dark:#19463d;
  --accent:#c27a2c;
  --accent-soft:#fff0d8;
  --ok:#247347;
  --warn:#9a5a12;
  --danger:#9b2f2f;
  --shadow:0 18px 38px rgba(42,36,24,.10);
  --radius:22px;
  --max:1460px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(46,111,95,.16), transparent 34rem),
    radial-gradient(circle at top right, rgba(194,122,44,.14), transparent 28rem),
    var(--paper);
  color:var(--ink);
  line-height:1.65;
  font-size:17px;
}
a{color:var(--brand-dark);font-weight:700;text-decoration-thickness:.08em;text-underline-offset:.18em}
a:hover{color:var(--accent)}
.container{width:min(var(--max), calc(100% - 40px)); margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;background:#fff;padding:.7rem 1rem;border-radius:12px;z-index:9999;border:2px solid var(--brand)}
.site-top{background:rgba(255,253,246,.92);backdrop-filter: blur(12px);border-bottom:1px solid rgba(222,209,180,.7);position:sticky;top:0;z-index:50}
.top-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 0;min-width:0}
.brand{display:flex;align-items:center;gap:.75rem;min-width:0;color:var(--ink);text-decoration:none}
.brand img{width:46px;height:46px;flex:0 0 auto}
.brand strong{display:block;font-size:1.04rem;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand span{display:block;color:var(--muted);font-size:.86rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:44vw}
.nav{display:flex;gap:.45rem;flex-wrap:wrap;justify-content:flex-end}
.nav a{display:inline-flex;align-items:center;padding:.55rem .78rem;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.94rem;font-weight:750}
.nav a:hover,.nav a.active{background:var(--soft);color:var(--brand-dark)}
.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:.55rem .8rem;font-weight:800;color:var(--ink)}
.hero{padding:5.4rem 0 3rem;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:2rem;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:.45rem;background:var(--accent-soft);border:1px solid #efd0a1;color:#6e4210;padding:.4rem .7rem;border-radius:999px;font-weight:800;font-size:.9rem}
h1{font-size:clamp(2.45rem,5vw,5.2rem);line-height:.98;margin:.8rem 0 1rem;letter-spacing:-.055em;max-width:12ch}
.lead{font-size:clamp(1.08rem,2vw,1.34rem);max-width:70ch;color:#33433e;margin:0 0 1.3rem}
.hero-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.2rem}
.button,.button-secondary{display:inline-flex;align-items:center;gap:.45rem;border-radius:999px;padding:.83rem 1.05rem;text-decoration:none;font-weight:850;border:1px solid transparent;line-height:1.2;cursor:pointer;font-size:1rem}
.button{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(46,111,95,.22)}
.button:hover{background:var(--brand-dark);color:#fff}
.button-secondary{background:#fff;color:var(--brand-dark);border-color:var(--line)}
.button-secondary:hover{background:var(--soft);color:var(--ink)}
.hero-panel{background:linear-gradient(160deg,#fff,#f8f1df);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow)}
.hero-panel h2{margin-top:0;font-size:1.25rem}
.quick-list{display:grid;gap:.65rem;margin:1rem 0 0;padding:0;list-style:none}
.quick-list li{display:flex;gap:.6rem;align-items:flex-start;padding:.72rem;background:#fff;border:1px solid rgba(222,209,180,.65);border-radius:16px}
.quick-list li:before{content:'✓';font-weight:900;color:var(--ok);margin-top:.02rem}
.section{padding:2.1rem 0}
.section h2{font-size:clamp(1.65rem,3vw,2.5rem);line-height:1.1;letter-spacing:-.025em;margin:0 0 .8rem}
.section-intro{max-width:78ch;color:var(--muted);margin-top:0}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.card,.tool-card,.note-box,.form-card,.result-card{background:rgba(255,255,255,.88);border:1px solid rgba(222,209,180,.85);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.15rem;min-width:0}
.card h3,.tool-card h3{margin:.1rem 0 .45rem;font-size:1.25rem;line-height:1.2}
.tool-card{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:.5rem}
.tool-card:before{content:'';position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--brand),var(--accent));opacity:.9}
.tool-card p{margin:.2rem 0;color:var(--muted)}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:.4rem;text-decoration:none;color:var(--brand-dark);font-weight:900}
.tag-row{display:flex;gap:.4rem;flex-wrap:wrap;margin:.55rem 0}
.tag{font-size:.78rem;font-weight:800;color:#5e4417;background:#fff5e5;border:1px solid #efd5aa;border-radius:999px;padding:.22rem .5rem}
.featured{border-color:rgba(46,111,95,.45);background:linear-gradient(180deg,#fff,#f7fbf8)}
.path-diagram{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem;margin-top:1rem}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:1rem;position:relative}
.step strong{display:block;color:var(--brand-dark);font-size:1.02rem;margin-bottom:.35rem}
.step span{display:inline-flex;width:2rem;height:2rem;border-radius:999px;align-items:center;justify-content:center;background:var(--brand);color:white;font-weight:900;margin-bottom:.5rem}
.page-hero{padding:3.4rem 0 1.6rem}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:.75rem}
.breadcrumbs a{font-weight:700;color:var(--muted)}
.page-hero h1{max-width:18ch;font-size:clamp(2.25rem,4vw,4rem)}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:1.25rem;align-items:start}
.sidebar{position:sticky;top:86px}
.sidebar .card{box-shadow:none;background:rgba(255,255,255,.75)}
.sidebar ul{margin:.7rem 0 0;padding-left:1.2rem}
.prose{max-width:920px}
.prose h2{margin-top:2rem;line-height:1.15}
.prose h3{margin-top:1.4rem;line-height:1.2}
.prose table,.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line);margin:1rem 0;display:table}
.prose th,.prose td,.data-table th,.data-table td{border-bottom:1px solid #eee3c9;padding:.75rem;text-align:left;vertical-align:top}
.prose th,.data-table th{background:#f6edda;color:#3c3323}
.prose tr:last-child td,.data-table tr:last-child td{border-bottom:0}
.note-box{background:#fff9ef;border-color:#efd0a1;color:#49351a;margin:1rem 0}
.note-box strong{color:#6e4210}
.form-card{margin:1rem 0;background:#fff}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.form-row{display:grid;gap:.35rem;margin-bottom:.9rem}
label{font-weight:800;color:#26342f}
input,select,textarea{width:100%;font:inherit;padding:.78rem .85rem;border-radius:14px;border:1px solid #cfc2a6;background:#fff;color:var(--ink);min-width:0}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(46,111,95,.2);border-color:var(--brand)}
.result-card{display:none;margin:1rem 0;background:#f8fcf9;border-color:rgba(46,111,95,.35)}
.result-card.show{display:block}
.result-value{font-size:clamp(1.7rem,4vw,2.8rem);font-weight:950;letter-spacing:-.04em;color:var(--brand-dark);line-height:1.1;margin:.4rem 0}
.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem;margin:.9rem 0}
.metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:.8rem;min-width:0}
.metric strong{display:block;font-size:1.35rem;line-height:1.1;color:var(--brand-dark)}
.metric span{display:block;color:var(--muted);font-size:.9rem;margin-top:.25rem}
.output{white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:16px;padding:1rem;overflow:auto}
.checklist{display:grid;gap:.55rem;margin:1rem 0}
.check-item{display:flex;gap:.6rem;align-items:flex-start;background:#fff;border:1px solid #efe2c8;border-radius:14px;padding:.7rem}
.check-item input{width:auto;margin-top:.3rem;flex:0 0 auto}
.ad-wrap{margin:1.35rem 0;padding:.65rem;border-top:1px solid rgba(222,209,180,.8);border-bottom:1px solid rgba(222,209,180,.8);background:rgba(255,255,255,.45);text-align:center;overflow:hidden}
.ad-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:.35rem}
footer{margin-top:3rem;background:#13201c;color:#f5f2e8;padding:2.4rem 0 1.4rem}
footer a{color:#ffe0a9}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:1.5rem}
.footer-grid h2,.footer-grid h3{margin-top:0;color:#fff}
.footer-links{display:grid;gap:.35rem}
.small{font-size:.92rem;color:#705f47}
footer .small{color:#d8cab1}
.muted{color:var(--muted)}
.status-ok{color:var(--ok);font-weight:900}.status-warn{color:var(--warn);font-weight:900}.status-danger{color:var(--danger);font-weight:900}
@media (max-width:1050px){
  .hero-grid,.content-layout{grid-template-columns:1fr}.sidebar{position:static}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.path-diagram{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  body{font-size:16px}.container{width:min(100% - 28px, var(--max))}.top-inner{align-items:flex-start}.nav{display:none;position:absolute;left:14px;right:14px;top:74px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:.65rem;box-shadow:var(--shadow);justify-content:flex-start}.nav.open{display:flex}.menu-button{display:inline-flex}.brand span{max-width:56vw}.hero{padding:3.2rem 0 2rem}.grid,.grid-2,.form-grid,.result-grid,.footer-grid,.path-diagram{grid-template-columns:1fr}.button,.button-secondary{width:100%;justify-content:center}.prose table,.data-table{display:block;overflow-x:auto;white-space:nowrap}.sidebar{display:none}
}