:root{
  --bg:#06140d; --panel:#0c2418; --panel2:#11331f; --line:#1d4b30;
  --ink:#eaf6ee; --muted:#a7c6b1; --green:#1f9d54; --green2:#2bd07a;
  --lime:#a6f15a; --gold:#f3c969; --card:#0e2a1b;
  --radius:14px; --maxw:1140px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{
  background:radial-gradient(1200px 600px at 80% -10%,#0f3322 0,transparent 60%),var(--bg);
  color:var(--ink);font-family:'Sora',system-ui,Arial,sans-serif;
  line-height:1.62;font-size:17px;-webkit-text-size-adjust:100%;
}
a{color:var(--green2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
img{max-width:100%;height:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,20,13,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:18px;padding:13px 0}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:21px;
  letter-spacing:.2px;color:var(--ink)}
.logo .dot{width:13px;height:13px;border-radius:50%;
  background:conic-gradient(from 200deg,var(--green2),var(--lime),var(--green))}
.logo:hover{text-decoration:none}
.nav-main{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.nav-main a{color:var(--muted);font-size:15px;font-weight:500;padding:8px 11px;
  border-radius:9px}
.nav-main a:hover{color:var(--ink);background:var(--panel2);text-decoration:none}
.nav-main a.cta{background:linear-gradient(120deg,var(--green),var(--green2));
  color:#04130b;font-weight:700;padding:9px 16px;margin-left:6px}
.burger{display:none;margin-left:auto;background:var(--panel2);border:1px solid var(--line);
  color:var(--ink);width:46px;height:44px;border-radius:10px;font-size:20px;cursor:pointer}

/* hero */
.hero{padding:46px 0 26px}
.kicker{display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--lime);font-weight:600;margin-bottom:10px}
h1{font-size:2.2em;line-height:1.16;margin:.1em 0 .45em;font-weight:700}
.lead{font-size:1.12em;color:#d6ebdd;max-width:60ch}

/* layout */
main{padding:8px 0 48px}
h2{font-size:1.5em;margin:1.7em 0 .5em;font-weight:700}
h3{font-size:1.16em;margin:1.3em 0 .4em;font-weight:600}
p{margin:.7em 0}
.snippet{background:linear-gradient(120deg,var(--panel),var(--card));
  border:1px solid var(--line);border-left:4px solid var(--green2);
  padding:16px 18px;border-radius:12px;font-size:1.04em;color:#e2f3e8}

.crumbs{font-size:14px;color:var(--muted);padding:14px 0 0}
.crumbs a{color:var(--muted)}
.crumbs span{color:var(--ink)}

.grid{display:grid;gap:18px}
@media(min-width:760px){.grid.two{grid-template-columns:1fr 1fr}
  .grid.three{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px}
.card h3{margin-top:.2em}

figure{margin:22px 0;text-align:center}
figure img{width:90%;height:auto;display:block;margin:0 auto;border-radius:10px;
  border:1px solid var(--line);box-shadow:0 12px 30px rgba(0,0,0,.4)}
figcaption{color:var(--muted);font-size:13px;margin-top:8px}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:16px 0;
  border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:15px}
th,td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--panel2);color:var(--lime);font-weight:600}
tbody tr:last-child td{border-bottom:none}

.proscons{display:grid;gap:16px}
@media(min-width:760px){.proscons{grid-template-columns:1fr 1fr}}
.pc{border-radius:12px;padding:16px 18px;border:1px solid var(--line)}
.pc.pros{background:rgba(31,157,84,.10)}
.pc.cons{background:rgba(243,201,105,.07)}
.pc ul{margin:.4em 0;padding-left:20px}
.pc li{margin:.42em 0}

/* CTA */
.cta-block{background:linear-gradient(120deg,#0d2c1c,#103a24);
  border:1px solid var(--line);border-radius:16px;padding:24px;margin:28px 0;text-align:center}
.cta-block h3{margin:.1em 0 .3em;font-size:1.28em}
.btn{display:inline-block;background:linear-gradient(120deg,var(--green),var(--green2));
  color:#04130b;font-weight:700;padding:13px 28px;border-radius:11px;font-size:1.05em;
  border:none;cursor:pointer}
.btn:hover{filter:brightness(1.07);text-decoration:none}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 0}
.tabbtn{background:var(--panel2);border:1px solid var(--line);color:var(--muted);
  padding:9px 14px;border-radius:9px;cursor:pointer;font:inherit;font-size:15px}
.tabbtn.active{background:var(--green);color:#04130b;font-weight:600;border-color:var(--green)}
.tabp{display:none;border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  margin-top:12px;background:var(--card)}
.tabp.active{display:block}

/* accordion / faq */
details{border:1px solid var(--line);border-radius:11px;margin:10px 0;
  background:var(--card);overflow:hidden}
details summary{cursor:pointer;padding:14px 16px;font-weight:600;list-style:none;
  min-height:44px;display:flex;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';margin-left:auto;color:var(--green2);font-size:1.3em}
details[open] summary::after{content:'\2013'}
details .ans{padding:0 16px 15px;color:#dceee2}

/* calculator */
.calc{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;margin:18px 0}
.calc label{display:block;font-size:14px;color:var(--muted);margin:10px 0 4px}
.calc input[type=range]{width:100%}
.calc .out{font-size:1.4em;font-weight:700;color:var(--lime);margin-top:10px}
.calc .row{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  font-size:15px;color:#d6ebdd;margin-top:6px}

.rating{display:flex;align-items:center;gap:12px;margin:10px 0}
.rbar{flex:1;height:10px;background:var(--panel2);border-radius:6px;overflow:hidden;
  border:1px solid var(--line)}
.rbar i{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--lime));
  width:0;transition:width 1.1s ease}
.rscore{font-weight:700;color:var(--lime);min-width:54px}

.note{color:var(--muted);font-size:14px}
.steps{counter-reset:s;list-style:none;padding:0;margin:14px 0}
.steps li{counter-increment:s;position:relative;padding:12px 14px 12px 52px;
  border:1px solid var(--line);border-radius:11px;margin:9px 0;background:var(--card)}
.steps li::before{content:counter(s);position:absolute;left:14px;top:12px;
  width:26px;height:26px;border-radius:50%;background:var(--green);color:#04130b;
  font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}

/* footer */
.site-footer{border-top:1px solid var(--line);background:#04100a;margin-top:30px}
.ft{display:grid;gap:24px;padding:34px 0 16px}
@media(min-width:760px){.ft{grid-template-columns:2fr 1fr 1fr}}
.ft h4{color:var(--lime);font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin:0 0 10px}
.ft a{color:var(--muted);display:block;padding:3px 0;font-size:15px}
.ft a:hover{color:var(--ink)}
.age{display:inline-block;border:1.5px solid var(--gold);color:var(--gold);
  border-radius:8px;padding:2px 9px;font-weight:700;font-size:14px;margin-bottom:8px}
.legal{border-top:1px solid var(--line);padding:14px 0 26px;color:var(--muted);font-size:13px}

#toTop{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;
  background:var(--green);color:#04130b;border:none;font-size:20px;cursor:pointer;
  display:none;z-index:60;box-shadow:0 6px 18px rgba(0,0,0,.45)}
#toTop.show{display:block}

@media(max-width:760px){
  body{font-size:16px}
  h1{font-size:1.5em}
  h2{font-size:1.25em}
  h3{font-size:1.08em}
  .burger{display:block}
  .nav-main{display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;background:#07180f;
    border-bottom:1px solid var(--line);padding:8px 14px 14px;margin:0}
  .nav-main.open{display:flex}
  .nav-main a{padding:12px 8px;border-bottom:1px solid var(--line)}
  .nav-main a.cta{margin:12px 0 0;text-align:center}
  .site-header .wrap{position:relative}
  figure img{width:100%}
  .wrap{padding:0 16px}
}