:root{
  --navy:#12263f;--navy2:#1f3a5f;--teal:#1f9d8b;--teal-l:#e3f4f1;--ink:#1b2430;--muted:#5b6878;
  --bg:#ffffff;--soft:#f5f7fa;--line:#e2e7ee;--warn:#c0392b;--warn-l:#fdecea;--ok:#1e8449;--ok-l:#e8f6ee;--amber:#b9770e;--amber-l:#fef5e7;
  --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.3rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:.8em}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--navy);text-decoration:none}
.logo span{color:var(--teal)}
.logo b{font-weight:800}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem}
.nav ul a:hover{color:var(--teal)}
@media(max-width:760px){.nav ul{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:10px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font-size:1rem;transition:transform .12s,box-shadow .12s,background .12s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(31,157,139,.28)}
.btn-primary:hover{background:#188a7a}
.btn-ghost{border-color:var(--navy2);color:var(--navy2);background:#fff}
.btn-sm{padding:9px 16px;font-size:.92rem}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#dff3ef 0,transparent 60%),linear-gradient(180deg,#f7fafc,#fff);padding:72px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:34em}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 18px}
.checks{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--muted);font-size:.95rem}
.checks li::before{content:"✓";color:var(--teal);font-weight:800;margin-right:7px}
.shot{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 24px 60px rgba(18,38,63,.14);padding:10px;overflow:hidden}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:48px 0 36px}}

/* sections */
section{padding:80px 0}
.soft{background:var(--soft)}
.center{text-align:center}
.intro{max-width:720px;margin:0 auto 44px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media(max-width:900px){.grid3,.grid2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.icon{width:44px;height:44px;border-radius:10px;background:var(--teal-l);color:var(--teal);display:grid;place-items:center;font-weight:800;font-size:1.2rem;margin-bottom:14px}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 14px 40px rgba(18,38,63,.08)}
.calc-in{padding:30px}
.calc-out{padding:30px;background:var(--navy);color:#fff}
.field{margin-bottom:14px}
.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:5px}
.field small{color:var(--muted);font-weight:400}
.inp{position:relative}
.inp input{width:100%;padding:12px 44px 12px 14px;font-size:1rem;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;background:#fbfcfd}
.inp input:focus{outline:none;border-color:var(--teal);background:#fff}
.inp span{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.9rem}
.res-big{font-size:3rem;font-weight:800;line-height:1;margin:.15em 0 .1em}
.res-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;opacity:.75}
.gauge{height:10px;border-radius:6px;background:rgba(255,255,255,.15);overflow:hidden;margin:16px 0 22px}
.gauge div{height:100%;border-radius:6px;transition:width .4s,background .4s}
.res-rows{border-top:1px solid rgba(255,255,255,.15);padding-top:16px}
.res-row{display:flex;justify-content:space-between;gap:14px;padding:7px 0;font-size:.97rem}
.res-row b{white-space:nowrap}
.verdict{margin:18px 0;padding:14px 16px;border-radius:10px;font-size:.97rem;background:rgba(255,255,255,.08)}
@media(max-width:900px){.calc{grid-template-columns:1fr}}

/* products */
.prod{display:flex;flex-direction:column}
.prod .price{font-size:1.8rem;font-weight:800;color:var(--navy);margin:6px 0 2px}
.prod .price small{font-size:.85rem;font-weight:500;color:var(--muted)}
.prod ul{padding-left:1.1em;margin:10px 0 20px;color:var(--muted);font-size:.96rem}
.prod .btn{margin-top:auto}
.prod img{border:1px solid var(--line);border-radius:10px;margin-bottom:16px;aspect-ratio:16/9;object-fit:cover;object-position:top left}
.bundle{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:20px;padding:40px;display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;margin-top:30px}
.bundle .price{font-size:2.8rem;font-weight:800}
.bundle .old{text-decoration:line-through;opacity:.6;font-size:1.2rem;margin-left:10px}
.bundle ul{padding-left:1.1em;opacity:.9}
.badge{display:inline-block;background:var(--teal);color:#fff;font-size:.78rem;font-weight:700;padding:5px 11px;border-radius:30px;letter-spacing:.04em;margin-bottom:12px}
@media(max-width:900px){.bundle{grid-template-columns:1fr;padding:28px}}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;padding-top:56px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:0;left:0;width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;display:grid;place-items:center}
@media(max-width:900px){.steps{grid-template-columns:1fr}}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--teal);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--muted)}

/* cta + footer */
.cta{background:var(--teal-l);border-radius:20px;padding:48px;text-align:center}
footer{background:var(--navy);color:#c9d4e2;padding:48px 0 28px;font-size:.93rem}
footer a{color:#fff;text-decoration:none}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:28px}
footer .fine{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:.84rem;opacity:.8}
@media(max-width:760px){footer .cols{grid-template-columns:1fr}}

/* legal pages */
.legal{max-width:780px;margin:0 auto;padding:60px 20px}
.legal h1{font-size:2.2rem}
.legal h2{font-size:1.3rem;margin-top:1.6em}