:root{
  --green:#08756b;
  --green-dark:#073f3b;
  --green-soft:#e8f5f2;
  --blue:#1d7fbd;
  --purple:#7046aa;
  --orange:#e98213;
  --cyan:#1495a8;
  --bg:#f4f8f7;
  --surface:#ffffff;
  --surface-2:#f9fcfb;
  --line:#d9e8e5;
  --text:#173b3b;
  --muted:#647879;
  --shadow:0 16px 42px rgba(7,63,59,.09);
  --radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
}
a{text-decoration:none;color:inherit}
button,input,select{font:inherit}
button{cursor:pointer}
.wrap{width:min(1180px,calc(100% - 36px));margin:auto}

.topline{height:32px;background:var(--green-dark);color:#d7ebe8;font-size:11px;letter-spacing:.9px}
.topin{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.siteHeader{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 8px 25px rgba(7,63,59,.08)}
.headerin{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;min-width:360px}
.brand img{width:58px;height:58px;object-fit:contain}
.brand b{display:block;color:var(--green-dark);font-size:20px;line-height:1.1}
.brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
#nav{display:flex;align-items:center;gap:4px}
#nav a,#nav button{
  border:0;
  background:transparent;
  color:#234647;
  padding:12px 11px;
  border-radius:10px;
  font-size:13px;
  font-weight:700;
}
#nav a:hover,#nav button:hover,#nav .active{background:var(--green-soft);color:var(--green)}
.menuBtn{display:none;border:0;border-radius:12px;background:var(--green);color:#fff;width:42px;height:42px;font-size:22px}
.navDrop{position:relative}
.dropMenu{
  position:absolute;
  top:44px;
  right:0;
  width:250px;
  display:none;
  padding:8px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  box-shadow:var(--shadow);
}
.navDrop:hover .dropMenu{display:grid}
.dropMenu a{display:block;padding:10px 12px!important}

.page{display:none;min-height:calc(100vh - 208px)}
.page.active{display:block}
.pageInner{padding:34px 0 62px}

.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#eaf7f4 0,#fff 55%,#eef8fb 100%)}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 12% 20%,rgba(8,117,107,.14),transparent 24%),radial-gradient(circle at 90% 12%,rgba(29,127,189,.12),transparent 28%);
}
.heroInner{position:relative;display:grid;grid-template-columns:1fr .95fr;gap:36px;align-items:center;min-height:382px}
.heroCopy{padding:42px 0}
.eyebrow{display:inline-block;color:var(--green);font-weight:900;font-size:11px;letter-spacing:1.6px;text-transform:uppercase}
.hero h1{font-size:44px;line-height:1.04;letter-spacing:-1.4px;margin:10px 0 14px;color:var(--green-dark)}
.hero p{max-width:620px;color:#355153;margin:0;font-size:15px}
.heroActions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.heroActions button,.formActions button,.searchControls button,.reportActions button,.reportActions a,.workPanel button{
  border:0;
  min-height:40px;
  padding:0 16px;
  border-radius:10px;
  background:var(--green);
  color:#fff;
  font-weight:900;
  font-size:12px;
}
.heroActions .secondary,.formActions button:not(.primary){background:#fff;color:var(--green);border:1px solid #bddcd7}
.heroImage{height:292px;border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
.heroImage img{width:100%;height:100%;object-fit:cover;object-position:center 38%;filter:saturate(.95) contrast(.98)}

.introCards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-30px;position:relative;z-index:3}
.introCard,.quickCard,.calcPanel,.resultCard,.searchBox,.workPanel,.noteBox,.docsGrid article{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 8px 24px rgba(7,63,59,.055);
}
.introCard{padding:22px}
.cardIcon{width:50px;height:50px;display:grid;place-items:center;border-radius:15px;background:var(--green-soft);font-size:25px;margin-bottom:13px}
.introCard h3{margin:0 0 8px;color:var(--green-dark)}
.introCard p{margin:0;color:var(--muted);font-size:13px}

.sectionTitle{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;margin:30px 0 16px}
.sectionTitle span{height:1px;background:#bad8d4}
.sectionTitle h2{margin:0;color:var(--green-dark);font-size:18px;text-transform:uppercase;letter-spacing:.8px}
.quickGrid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.quickCard{
  border:0;
  text-align:left;
  min-height:142px;
  padding:18px;
  color:#fff;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:.16s;
}
.quickCard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quickCard b{font-size:18px}
.quickCard small{font-size:12px;opacity:.92}
.quickCard span{font-size:12px;font-weight:900}
.quickCard.teal{background:linear-gradient(145deg,#08756b,#10a090)}
.quickCard.blue{background:linear-gradient(145deg,#1d7fbd,#4aaee9)}
.quickCard.purple{background:linear-gradient(145deg,#7046aa,#9b6add)}
.quickCard.orange{background:linear-gradient(145deg,#e98213,#f3aa3d)}
.quickCard.cyan{background:linear-gradient(145deg,#1495a8,#36bdc9)}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px auto 28px}
.principles div{padding:15px;border-radius:14px;background:#eaf5f3;border:1px solid #d2e7e2}
.principles b{display:block;color:var(--green-dark)}
.principles small{color:var(--muted)}

.moduleHero{
  min-height:146px;
  padding:26px 28px;
  border:1px solid var(--line);
  border-radius:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  margin-bottom:18px;
  overflow:hidden;
  position:relative;
  box-shadow:var(--shadow);
}
.moduleHero:after{content:"";position:absolute;right:-75px;top:-95px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.58)}
.moduleHero h1{font-size:32px;line-height:1.12;margin:7px 0 5px;color:var(--green-dark);letter-spacing:-.7px}
.moduleHero p{margin:0;max-width:720px;color:var(--muted);font-size:13px}
.moduleHero>div{position:relative;z-index:2}
.moduleBadge{width:64px;height:64px;min-width:64px;border-radius:18px;background:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 20px rgba(7,63,59,.11)}
.moduleHero.teal{background:linear-gradient(120deg,#eaf7f4,#fff)}
.moduleHero.blue{background:linear-gradient(120deg,#edf7ff,#fff)}
.moduleHero.purple{background:linear-gradient(120deg,#f5effc,#fff)}
.moduleHero.orange{background:linear-gradient(120deg,#fff5e8,#fff)}
.moduleHero.cyan{background:linear-gradient(120deg,#edfafd,#fff)}

.calculatorLayout,.twoCol{display:grid;grid-template-columns:1.35fr .85fr;gap:18px;align-items:start}
.calcPanel,.workPanel{padding:22px}
.panelTitle{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}
.panelTitle h2{margin:0;font-size:20px;color:var(--green-dark)}
.panelTitle small{color:var(--muted);font-size:12px;text-align:right}
.formGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
label{display:grid;gap:7px;color:#315252;font-size:12px;font-weight:800}
input,select{
  width:100%;
  min-height:44px;
  border:1px solid #cfe2df;
  border-radius:10px;
  padding:0 12px;
  background:var(--surface-2);
  color:var(--text);
  outline:none;
}
input:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(8,117,107,.13)}
.inputPair{display:grid;grid-template-columns:1fr 105px;gap:8px}
.formActions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.resultStack{display:grid;gap:12px}
.resultCard{padding:20px;position:relative;overflow:hidden}
.resultCard:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--green)}
.resultCard:nth-child(2):before{background:var(--blue)}
.resultCard:nth-child(3):before{background:var(--orange)}
.resultCard span{display:block;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.9px}
.resultCard strong{display:block;margin:6px 0 4px;font-size:34px;color:var(--green-dark)}
.resultCard em{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  padding:0 10px;
  margin:0 0 8px;
  border-radius:999px;
  background:var(--green-soft);
  color:var(--green);
  font-style:normal;
  font-size:12px;
  font-weight:900;
}
.resultCard em.warn{background:#fff4dc;color:#a76400}
.resultCard em.danger{background:#fdecea;color:#b42318}
.resultCard small{color:var(--muted)}
.noteBox{margin-top:16px;padding:16px 18px;background:#fffdf7;border-color:#f1dfb8}
.noteBox p{margin:5px 0 0;color:#735d30;font-size:13px}

.searchBox{padding:18px}
.searchControls,.docToolbar{display:grid;grid-template-columns:1fr 190px 92px;gap:10px;margin-bottom:14px}
.resultList{display:grid;gap:10px}
.resultItem,.guideBox,.docsGrid article{
  border:1px solid var(--line);
  border-radius:14px;
  padding:15px;
  background:var(--surface-2);
}
.resultItem b,.guideBox b,.docsGrid b{display:block;color:var(--green-dark);margin-bottom:5px}
.resultItem small,.guideBox small,.docsGrid small{display:block;color:var(--muted)}
.tagRow{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}
.tag{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:11px;font-weight:900}
.tag.ok{background:#e6f6ea;color:#1a7d3a}
.tag.danger{background:#fdecea;color:#b42318}
.tag.link{cursor:pointer}
.tag.link:hover{filter:brightness(.95)}
.icdChildren{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.icdChildren b{display:block;font-size:11px;color:var(--muted);margin-bottom:6px;font-weight:800}
.icdChildRow{display:flex;flex-wrap:wrap;gap:6px}

.twoCol{grid-template-columns:1fr 1fr}
.workPanel label{margin-bottom:14px}
.guideBox ul{margin:8px 0 0;padding-left:18px;color:#425b5c;font-size:13px}
.susGrid{display:grid;grid-template-columns:1fr 95px;gap:8px;margin-bottom:12px}
.susGrid label{display:contents}
.susGrid span{align-self:center;font-size:13px;font-weight:800}

.appTabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.appTab{
  min-height:82px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  text-align:left;
  padding:14px;
  display:grid;
  gap:2px;
  transition:.16s;
}
.appTab:hover{transform:translateY(-2px)}
.appTab.active{background:var(--green);color:#fff;border-color:var(--green);box-shadow:var(--shadow)}
.appTab span{font-weight:900;font-size:11px;opacity:.75}
.appTab small{color:inherit;opacity:.78}
.appPanel{display:none}
.appPanel.active{display:block}
.panelHead{
  min-height:58px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:16px 16px 0 0;
  background:#fff;
}
.panelHead small{display:block;color:var(--muted);font-size:12px}
.reportActions{display:flex;gap:8px;flex-wrap:wrap}
.reportActions button,.reportActions a{display:inline-flex;align-items:center;background:#f1f7f6;color:var(--green);border:1px solid #cfe4e0}
.appFrameWrap{height:70vh;min-height:540px;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;overflow:hidden;box-shadow:var(--shadow)}
.appFrameWrap iframe{width:100%;height:100%;border:0}

.docToolbar{grid-template-columns:1fr 210px}
.docsGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.docsGrid article{min-height:176px;display:flex;flex-direction:column}
.docsGrid p{margin:0;color:var(--muted);font-size:13px}
.docsGrid a{margin-top:auto;color:var(--green);font-weight:900;font-size:12px}

footer{background:var(--green-dark);color:#fff}
.footerGrid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:24px;padding:22px 0}
.footerGrid b{font-size:12px;letter-spacing:.4px}
.footerGrid p{margin:6px 0 0;color:#cde4e1;font-size:12px}

#toast{
  position:fixed;
  left:50%;
  bottom:22px;
  transform:translate(-50%,20px);
  min-width:min(520px,calc(100% - 28px));
  max-width:680px;
  padding:13px 16px;
  border-radius:13px;
  background:#073f3b;
  color:#fff;
  box-shadow:var(--shadow);
  opacity:0;
  pointer-events:none;
  transition:.18s;
  z-index:100;
  text-align:center;
  font-size:13px;
}
#toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:1000px){
  .brand{min-width:0}
  #nav{position:absolute;left:18px;right:18px;top:112px;display:none;grid-template-columns:1fr;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:var(--shadow)}
  #nav.open{display:grid}
  .menuBtn{display:block}
  .navDrop:hover .dropMenu{display:none}
  .dropMenu{position:static;width:auto;box-shadow:none;margin-top:4px}
  .navDrop:focus-within .dropMenu{display:grid}
  .heroInner{grid-template-columns:1fr;min-height:0}
  .heroImage{height:220px;margin-bottom:28px}
  .quickGrid{grid-template-columns:repeat(2,1fr)}
  .calculatorLayout,.twoCol{grid-template-columns:1fr}
  .docsGrid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:680px){
  .wrap{width:calc(100% - 28px)}
  .topline{height:auto;padding:7px 0}
  .topin{align-items:flex-start;flex-direction:column;font-size:10px;gap:2px}
  .headerin{height:72px}
  .brand img{width:50px;height:50px}
  .brand b{font-size:16px}
  .brand small{font-size:9px}
  #nav{top:104px}
  .hero h1{font-size:32px}
  .heroCopy{padding:30px 0 18px}
  .introCards,.principles,.appTabs,.docsGrid{grid-template-columns:1fr}
  .quickGrid{grid-template-columns:1fr}
  .sectionTitle{grid-template-columns:1fr}
  .sectionTitle span{display:none}
  .formGrid,.searchControls,.docToolbar{grid-template-columns:1fr}
  .inputPair{grid-template-columns:1fr}
  .panelTitle,.panelHead{flex-direction:column;align-items:flex-start}
  .panelTitle small{text-align:left}
  .moduleHero{padding:21px;border-radius:18px;align-items:flex-start}
  .moduleHero h1{font-size:26px}
  .moduleBadge{width:48px;height:48px;min-width:48px;border-radius:14px}
  .appFrameWrap{height:68vh;min-height:420px}
  .footerGrid{grid-template-columns:1fr}
}