:root{
  --bg:#ffffff;
  --bg-alt:#f6f8f9;
  --ink:#16211f;
  --ink-soft:#5b6b68;
  --line:#e3e8e7;
  --brand:#0f766e;
  --brand-dark:#0b5c56;
  --radius:12px;
  --max:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,3.4vw,2.9rem);letter-spacing:-.02em}
h2{font-size:clamp(1.35rem,2.2vw,1.85rem);letter-spacing:-.01em}
h3{font-size:1.08rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand em{font-style:normal;font-weight:500;color:var(--ink-soft)}
.brand-mark{width:30px;height:30px;flex:none}
.nav{display:flex;gap:22px;margin-left:auto;font-size:.94rem}
.nav a{color:var(--ink-soft)}
.nav a:hover,.nav a.active{color:var(--brand);text-decoration:none}
.nav a.active{font-weight:600}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.62em 1.15em;border-radius:8px;font-size:.94rem;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:.15s ease;
}
.btn:hover{text-decoration:none}
.btn:disabled{opacity:.6;cursor:default}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:#c9d3d1}
.btn-block{width:100%}

/* hero */
.hero{padding:76px 0 64px;background:
  radial-gradient(900px 380px at 82% -10%,#e8f3f1 0%,rgba(255,255,255,0) 70%);}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:14px}
.lead{font-size:1.08rem;color:var(--ink-soft);max-width:56ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* hero art */
.hero-art{margin:0}
.grid-art{
  position:relative;aspect-ratio:1/.86;border-radius:18px;overflow:hidden;
  background:linear-gradient(150deg,#0f766e,#0b3b3a 70%);
  box-shadow:0 18px 40px -22px rgba(11,59,58,.6);
}
.grid-art::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:34px 34px;
}
.card-art{
  position:absolute;left:12%;right:12%;top:26%;
  background:rgba(255,255,255,.96);border-radius:12px;padding:20px;
  display:grid;gap:12px;
}
.card-art .bar{height:9px;border-radius:5px;background:#d6e4e2}
.card-art .bar:nth-child(1){background:var(--brand);height:11px;width:78%}
.card-art .bar:nth-child(2){width:54%}
.card-art .bar:nth-child(3){width:91%}
.card-art .bar:nth-child(4){width:37%}
.dot{position:absolute;width:10px;height:10px;border-radius:50%;background:#7fe0d3;box-shadow:0 0 0 5px rgba(127,224,211,.18)}
.d1{left:14%;top:14%}.d2{right:18%;top:16%}.d3{right:26%;bottom:14%}
.line{position:absolute;height:2px;background:rgba(255,255,255,.28);transform-origin:left center}
.l1{left:14%;top:15%;width:64%;transform:rotate(3deg)}
.l2{left:14%;top:15%;width:52%;transform:rotate(38deg)}
.l3{right:18%;top:17%;width:44%;transform:rotate(118deg)}

/* stats */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt)}
.stats-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 24px}
.stats-inner div{display:flex;flex-direction:column}
.stats-inner strong{font-size:1.5rem;letter-spacing:-.02em}
.stats-inner span{font-size:.84rem;color:var(--ink-soft)}

/* sections */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-title{margin-bottom:.35em}
.section-sub{color:var(--ink-soft);margin-bottom:36px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff}
.card p{font-size:.95rem;color:var(--ink-soft)}
.link{font-size:.9rem;font-weight:600}

/* news */
.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.news-list li{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}
.news-list time{font-size:.84rem;color:var(--ink-soft);letter-spacing:.02em}
.news-list h3{margin-bottom:.35em}
.news-list p{font-size:.95rem;color:var(--ink-soft);margin:0}

/* cta */
.cta{padding:56px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,#0f766e,#0b3b3a);color:#fff;
  border-radius:16px;padding:40px 44px;
}
.cta h2{color:#fff;margin-bottom:.25em}
.cta p{color:rgba(255,255,255,.82);margin:0}
.cta .btn-primary{background:#fff;color:var(--brand-dark)}

/* page head */
.page-head{padding:60px 0 34px;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.page-head h1{margin-bottom:.35em}

/* two col */
.two-col{display:grid;grid-template-columns:1.5fr .9fr;gap:56px;align-items:start}
.facts{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.facts dl{margin:0}
.facts dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin-top:14px}
.facts dt:first-child{margin-top:0}
.facts dd{margin:2px 0 0;font-weight:600}
.facts h3{font-size:.95rem;margin-top:22px;color:var(--brand)}
.facts p{font-size:.92rem;color:var(--ink-soft);margin:2px 0 0}

/* services */
.service-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:26px 0;border-top:1px solid var(--line)}
.service-row p{color:var(--ink-soft);font-size:.95rem;margin:0}

/* steps */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:18px}
.steps li{counter-increment:s;position:relative;padding-left:44px;color:var(--ink-soft)}
.steps li::before{
  content:counter(s);position:absolute;left:0;top:0;
  width:28px;height:28px;border-radius:50%;background:#e8f3f1;color:var(--brand);
  font-weight:700;font-size:.85rem;display:grid;place-items:center;
}
.steps strong{color:var(--ink)}

/* forms */
.form{display:grid;gap:14px;max-width:520px}
.form label{display:grid;gap:6px;font-size:.86rem;font-weight:600;color:var(--ink-soft)}
.form input,.form select,.form textarea{
  font:inherit;color:var(--ink);padding:.62em .75em;
  border:1px solid var(--line);border-radius:8px;background:#fff;width:100%;
}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,118,110,.12);
}
.form-note{font-size:.84rem;color:var(--ink-soft);margin:0}
.form-msg{
  display:none;font-size:.88rem;margin:0;border:1px solid var(--line);
  border-radius:8px;padding:.6em .8em;background:var(--bg-alt);color:var(--ink-soft);
}
.form-msg.show{display:block}
.form-msg.msg-error{color:#9a3412;background:#fff7ed;border-color:#fed7aa}
.form-msg.msg-ok{color:var(--brand-dark);background:#ecfdf5;border-color:#a7f3d0}

/* login */
.login-body{background:var(--bg-alt)}
.login-main{display:grid;place-items:center;padding:64px 24px 88px;min-height:calc(100vh - 68px)}
.login-card{
  width:100%;max-width:440px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:34px 32px;box-shadow:0 14px 34px -26px rgba(11,59,58,.5);
}
.login-card h1{font-size:1.5rem}
.login-sub{color:var(--ink-soft);font-size:.94rem}
.login-card .form{max-width:none}
.login-row{display:flex;align-items:center;justify-content:space-between;font-size:.84rem}
.check{flex-direction:row;align-items:center;gap:8px;font-weight:500}
.check input{width:auto}
.login-card .btn{margin-top:6px}
.login-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem;color:var(--ink-soft)}
.login-foot p{margin:.35em 0}

/* docs table */
.doc-table{width:100%;border-collapse:collapse;font-size:.93rem;margin-bottom:26px}
.doc-table th,.doc-table td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left}
.doc-table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft)}

/* prose */
.prose{max-width:72ch}
.prose h2{margin-top:1.6em}
.prose h2:first-child{margin-top:0}

/* 404 */
.err-main{display:grid;place-items:center;min-height:calc(100vh - 68px);padding:64px 24px;text-align:center}
.err-code{font-size:.9rem;letter-spacing:.18em;color:var(--brand);font-weight:700;margin-bottom:6px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:44px 0 26px;background:#fff;font-size:.88rem;color:var(--ink-soft)}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.footer-brand strong{color:var(--ink)}
.footer-brand p{margin:.25em 0}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.copyright{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem}

/* responsive */
@media (max-width:900px){
  .hero-inner,.two-col{grid-template-columns:1fr;gap:36px}
  .hero-art{order:-1}
  .cards{grid-template-columns:1fr}
  .stats-inner{grid-template-columns:1fr 1fr;gap:20px}
  .service-row{grid-template-columns:1fr;gap:18px}
}
@media (max-width:720px){
  .header-inner{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px}
  .nav{order:3;margin-left:0;width:100%;gap:16px;overflow-x:auto;padding-bottom:2px}
  .nav::-webkit-scrollbar{display:none}
  .header-inner > .btn{margin-left:auto}
  .news-list li{grid-template-columns:1fr;gap:6px}
  .cta-inner{padding:30px 26px}
  .section{padding:52px 0}
  .doc-table{font-size:.86rem}
  .doc-table th:nth-child(3),.doc-table td:nth-child(3){display:none}
}