:root{
  --green:#0b5d4d;--green-d:#083f35;--green-l:#e6f2ee;--amber:#f5b942;--amber-d:#d89a1c;
  --ink:#172220;--ink-2:#44524e;--line:#dde5e1;--bg:#ffffff;--bg-2:#f4f8f6;
  --radius:14px;--maxw:1140px;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
img,svg{max-width:100%;height:auto}
a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--green-d)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:750;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.2vw,2.9rem)}
h2{font-size:clamp(1.45rem,2.8vw,2rem);margin-top:0}
h3{font-size:1.2rem}
p{margin:0 0 1em}
ul,ol{padding-left:1.3em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:820px}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);padding:8px 12px}
.skip:focus{left:8px;top:8px;z-index:99}
.muted{color:var(--ink-2);font-size:.9rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:600;font-size:1.02rem;white-space:nowrap}
.brand b{color:var(--green)}
.logo-mark{width:34px;height:34px;flex:none}
.main-nav{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;white-space:nowrap}
.main-nav a{text-decoration:none;color:var(--ink-2);padding:8px 8px;border-radius:8px;font-size:.88rem;font-weight:500}
.main-nav a:hover,.main-nav a[aria-current]{background:var(--green-l);color:var(--green-d)}
.main-nav .btn{margin-left:6px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:9px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}

/* Buttons */
.btn{display:inline-block;padding:11px 18px;border-radius:10px;font-weight:650;text-decoration:none;border:2px solid transparent;transition:.15s;font-size:.98rem}
.btn-primary{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-d);border-color:var(--amber-d);color:var(--ink)}
.btn-ghost{border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:var(--green-l)}
.btn-light{background:#fff;color:var(--green-d)}
.btn-light:hover{background:var(--green-l)}
.main-nav .btn{padding:8px 14px;font-size:.88rem;margin-left:10px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--green-d) 0%,var(--green) 60%,#11755f 100%);color:#fff;padding:56px 0 48px}
.hero-home{padding:72px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.kicker{display:inline-block;background:rgba(255,255,255,.12);color:var(--amber);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.78rem;padding:5px 10px;border-radius:6px;margin-bottom:14px}
.hero h1{color:#fff}
.lead{font-size:1.15rem;color:#e6f2ee;max-width:60ch}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
.hero .btn-ghost{border-color:#fff;color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12)}
.trust{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.9rem;color:#cfe3dc}
.trust li::before{content:"✓";color:var(--amber);font-weight:800;margin-right:6px}
.hero-art svg{width:100%;height:auto;max-height:320px;display:block;filter:drop-shadow(0 12px 28px rgba(0,0,0,.25))}

/* Sections */
.section{padding:56px 0}
.section.alt{background:var(--bg-2)}
.section h2{margin-bottom:.6em}
.intro{font-size:1.08rem;color:var(--ink-2);max-width:70ch}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 2px 10px rgba(11,93,77,.04)}
.card h3{margin-top:0}
.card-link{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:.15s}
.card-link:hover{border-color:var(--green);transform:translateY(-2px)}
.card-link .more{color:var(--green);font-weight:650;margin-top:auto}
.card .price{font-size:1.4rem;font-weight:800;color:var(--green)}
.card .tag{display:inline-block;background:var(--green-l);color:var(--green-d);font-size:.78rem;font-weight:700;padding:3px 8px;border-radius:6px;margin-bottom:8px}
.icon{width:44px;height:44px;border-radius:10px;background:var(--green-l);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.icon svg{width:24px;height:24px;stroke:var(--green);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.checks{list-style:none;padding:0}
.checks li{padding-left:28px;position:relative;margin-bottom:8px}
.checks li::before{content:"";position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;background:var(--green);
  -webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="black" d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/14px no-repeat;
  mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="black" d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/14px no-repeat}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:14px}
.steps li{counter-increment:s;position:relative;padding:16px 18px 16px 64px;background:#fff;border:1px solid var(--line);border-radius:12px}
.steps li::before{content:counter(s);position:absolute;left:16px;top:14px;width:34px;height:34px;border-radius:50%;background:var(--amber);color:var(--ink);font-weight:800;display:flex;align-items:center;justify-content:center}
.steps li b{display:block;margin-bottom:2px}
table{width:100%;border-collapse:collapse;margin:1em 0 1.5em;font-size:.95rem;background:#fff}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--green-l);color:var(--green-d)}
.table-wrap{overflow-x:auto}
.note{border-left:4px solid var(--amber);background:#fff8e6;padding:14px 18px;border-radius:0 10px 10px 0;margin:1.2em 0}
.note.green{border-color:var(--green);background:var(--green-l)}
blockquote{margin:1.2em 0;padding:14px 20px;border-left:4px solid var(--green);background:var(--bg-2);font-style:italic}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}
.kpi div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center}
.kpi b{display:block;font-size:1.8rem;color:var(--green);line-height:1.1}
.kpi span{font-size:.88rem;color:var(--ink-2)}
.product{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}
.product .btn{white-space:nowrap}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;font-weight:650;padding:14px 0;list-style:none;position:relative;padding-right:30px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:10px;font-size:1.4rem;color:var(--green)}
.faq details[open] summary::after{content:"–"}
.faq-a{padding:0 0 14px;color:var(--ink-2)}

/* CTA band */
.cta-band{background:var(--green-d);color:#fff;padding:56px 0;text-align:center}
.cta-band h2{color:#fff;max-width:28ch;margin:0 auto .5em}
.cta-band p{max-width:62ch;margin:0 auto 22px;color:#cfe3dc}

/* Footer */
.site-footer{background:#0f1a17;color:#b9c7c2;padding:48px 0 24px;font-size:.93rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:#fff;margin-bottom:12px}
.footer-brand .brand b{color:var(--amber)}
.site-footer h4{color:#fff;margin-bottom:10px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer a{color:#dbe6e1;text-decoration:none}
.site-footer a:hover{color:var(--amber)}
.footer-bottom{border-top:1px solid #243530;margin-top:32px;padding-top:18px}
.footer-bottom p{margin:0 0 6px}
.footer-bottom .muted{color:#7f928c;font-size:.82rem}

@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr}
  .hero-art{display:none}
  .grid-3,.grid-4,.kpi{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;left:0;right:0;top:66px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 16px}
  body.nav-open .main-nav{display:flex}
  .main-nav .btn{margin:8px 0 0}
}
@media (max-width:600px){
  body{font-size:16px}
  .grid-2,.grid-3,.grid-4,.kpi,.footer-grid{grid-template-columns:1fr}
  .product{grid-template-columns:1fr}
  .section{padding:40px 0}
  .brand span{font-size:.92rem}
}