:root{
  --bg:#f1f8f8; --card:#fff; --ink:#17282a; --muted:#56696c; --line:#d8e5e5;
  --brand:#1FC4C8; --brand-dark:#0F7F83; --brand-ink:#05302f; --tint:#e3f7f7;
  --low:#2e7d32; --mod:#a86400; --high:#d1451b; --vhigh:#8a1010;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0f1718; --card:#172223; --ink:#e6eeee; --muted:#9aaeb0; --line:#28393a; --tint:#143537; }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--brand-dark)}
@media (prefers-color-scheme: dark){ a{color:#4fd8dc} }
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
nav.top{background:var(--brand);color:var(--brand-ink)}
nav.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
nav.top .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--brand-ink);text-decoration:none}
nav.top .logo img{width:34px;height:34px;border-radius:8px}
nav.top a.open{color:var(--brand-ink);font-weight:700;text-decoration:none;border:2px solid var(--brand-ink);border-radius:999px;padding:5px 14px;font-size:15px}
.hero{background:var(--brand);color:var(--brand-ink);padding:34px 0 60px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.hero h1{font-size:44px;line-height:1.08;margin:0 0 14px;letter-spacing:-.5px}
.hero p.lead{font-size:20px;margin:0 0 22px;max-width:34em}
.buybox{background:var(--card);color:var(--ink);border-radius:18px;padding:20px;max-width:420px;box-shadow:0 10px 30px rgba(5,48,47,.18)}
.buybox .price{font-size:40px;font-weight:800;line-height:1}
.buybox .price small{font-size:16px;font-weight:600;color:var(--muted);margin-left:6px}
.buybox ul{list-style:none;padding:0;margin:14px 0 16px;font-size:15px}
.buybox li{padding:3px 0 3px 26px;position:relative}
.buybox li::before{content:"";position:absolute;left:2px;top:9px;width:13px;height:7px;border-left:3px solid var(--low);border-bottom:3px solid var(--low);transform:rotate(-45deg)}
.btn{display:block;text-align:center;font-weight:800;font-size:18px;text-decoration:none;border-radius:12px;padding:14px;background:var(--brand-dark);color:#fff !important}
.btn:hover{filter:brightness(1.08)}
.small{font-size:14px;color:var(--muted)}
.phone{width:100%;max-width:300px;justify-self:center;border-radius:34px;border:10px solid #10292a;box-shadow:0 18px 40px rgba(5,48,47,.3);background:#10292a;overflow:hidden}
.phone img{display:block;width:100%}
section{padding:54px 0}
h2{font-size:30px;margin:0 0 8px;letter-spacing:-.3px}
.sub{color:var(--muted);margin:0 0 26px;max-width:40em}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.f{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}
.f h3{margin:8px 0 4px;font-size:18px}
.f p{margin:0;color:var(--muted);font-size:15px}
.ic{width:42px;height:42px;border-radius:12px;background:var(--tint);display:grid;place-items:center;color:var(--brand-dark)}
.ic svg{width:24px;height:24px}
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.shots figure{margin:0;text-align:center}
.shots .phone{max-width:250px;margin:0 auto 10px}
.shots figcaption{font-size:15px;color:var(--muted)}
.levels{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0}
.pill{padding:4px 12px;border-radius:999px;font-weight:700;font-size:14px}
.p1{background:#e5f3e6;color:var(--low)}.p2{background:#fbf0dc;color:var(--mod)}.p3{background:#fde6dd;color:var(--high)}.p4{background:#f6dcdc;color:var(--vhigh)}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
ol.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;font-size:15px}
ol.steps li::before{content:counter(s);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-weight:800;margin-bottom:8px}
ol.steps b{display:block;font-size:17px;margin-bottom:2px}
.note{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--brand);border-radius:12px;padding:18px 20px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{font-weight:700;cursor:pointer}
details p{margin:10px 0 0;color:var(--muted)}
.cta{background:var(--brand);color:var(--brand-ink);border-radius:20px;padding:30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.cta h2{margin:0}
.cta .btn{display:inline-block;padding:14px 30px}
footer{padding:30px 0 40px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.doc{max-width:760px}
.doc h1{font-size:34px;margin:30px 0 6px}
.doc h2{font-size:22px;margin:28px 0 6px}
@media (max-width:820px){
  .hero{padding:24px 0 40px}
  .hero .wrap{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .hero p.lead{font-size:18px}
  .hero .phone{display:none}
  .grid,.shots{grid-template-columns:1fr}
  .shots .phone{max-width:260px}
  ol.steps{grid-template-columns:1fr 1fr}
  section{padding:40px 0}
}
@media (max-width:480px){ ol.steps{grid-template-columns:1fr} .wrap{padding:0 16px} }