:root{--navy:#1b2f5e;--navy2:#13224a;--green:#5a9e2f;--lime:#7cc242;--blue:#2b78c5;--ink:#1d2433;--mute:#5b6577;--bg:#f4f7fb;--r:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);line-height:1.6;background:#fff;padding-bottom:72px}
h1,h2,h3{font-family:Montserrat,sans-serif;line-height:1.1;margin:0 0 .5em;color:var(--navy)}
h2{font-size:clamp(1.7rem,4.5vw,2.6rem)}a{color:var(--blue)}img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.eyebrow{font:700 .78rem Montserrat;letter-spacing:.18em;text-transform:uppercase;color:var(--green)}
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.9em 1.4em;border-radius:999px;font:700 1rem Montserrat;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}.btn-g{background:var(--green);color:#fff;box-shadow:0 8px 20px #5a9e2f44}.btn-o{background:#fff;color:var(--navy);border:2px solid var(--navy)}
header{position:sticky;top:0;z-index:50;background:#ffffffee;backdrop-filter:blur(8px);border-bottom:1px solid #e6ebf2}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}.nav img{height:50px}
.nav ul{display:none;list-style:none;gap:22px;margin:0;padding:0}.nav ul a{color:var(--navy);text-decoration:none;font-weight:600}
.nav .btn{padding:.6em 1em;font-size:.9rem}
@media(min-width:900px){.nav ul{display:flex}body{padding-bottom:0}.sticky-call{display:none!important}}
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#fff 0%,#eef4fb 60%,#e7f3dd 100%);padding:56px 0 70px}
#air{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:36px}
.hero h1{font-size:clamp(2.6rem,9vw,4.6rem);font-weight:800;text-transform:uppercase}.hero h1 span{color:var(--green);display:block}
.hero p.lead{font-size:1.15rem;color:var(--mute);max-width:34em}.sub{font:700 .85rem Montserrat;color:var(--navy);letter-spacing:.08em}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.badges{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none;margin:0}.badges li{background:#fff;border:1px solid #dde5ef;border-radius:999px;padding:.35em .9em;font-size:.85rem;font-weight:600;color:var(--navy)}
.badges li::before{content:"✓ ";color:var(--green)}
.offer{background:var(--navy);color:#fff;border-radius:var(--r);padding:28px;box-shadow:0 20px 50px #1b2f5e33;align-self:center;max-width:380px;position:relative}
.offer .tag{background:var(--green);display:inline-block;padding:.3em .8em;border-radius:6px;font:800 .75rem Montserrat;letter-spacing:.1em}
.offer .price{font:800 4rem Montserrat;margin:.1em 0 0}.offer .price small{font-size:1rem;font-weight:600;opacity:.8}
.offer h3{color:#fff;margin:0 0 .3em}.offer p{margin:0 0 1em;color:#c9d6ee}
@media(min-width:900px){.hero .wrap{grid-template-columns:1.4fr 1fr}.hero{padding:90px 0 110px}}
section{padding:72px 0}.alt{background:var(--bg)}
.feature{display:grid;gap:30px;align-items:center}@media(min-width:900px){.feature{grid-template-columns:1fr 1fr}}
.cards{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:28px}
.card{background:#fff;border:1px solid #e3e9f1;border-radius:var(--r);padding:24px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px #1b2f5e1a}
.card .ico{width:52px;height:52px;border-radius:14px;background:#eaf3e2;display:grid;place-items:center;margin-bottom:12px}
.card .from{font:800 1.6rem Montserrat;color:var(--green)}.card .from small{font-size:.8rem;color:var(--mute);font-weight:600}
.card.main{border:2px solid var(--green);background:linear-gradient(#fff,#f3f9ee)}
.ribbon{display:inline-block;background:var(--green);color:#fff;font:700 .7rem Montserrat;padding:.25em .7em;border-radius:5px;letter-spacing:.08em}
ul.check{padding:0;list-style:none}ul.check li{padding-left:1.6em;position:relative;margin:.35em 0}ul.check li::before{content:"";position:absolute;left:0;top:.45em;width:12px;height:12px;border-radius:50%;background:var(--green)}
/* before/after */
.ba{position:relative;aspect-ratio:4/3;border-radius:var(--r);overflow:hidden;box-shadow:0 18px 40px #1b2f5e2a;user-select:none;touch-action:pan-y}
.ba svg{position:absolute;inset:0;width:100%;height:100%}.ba .before{clip-path:inset(0 50% 0 0)}
.ba .handle{position:absolute;top:0;bottom:0;left:50%;width:4px;background:#fff;transform:translateX(-2px)}
.ba .handle::after{content:"⇆";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;color:var(--navy);display:grid;place-items:center;font-weight:800;box-shadow:0 4px 12px #0003}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba .lbl{position:absolute;top:12px;font:700 .75rem Montserrat;background:#000a;color:#fff;padding:.3em .7em;border-radius:6px}.ba .l{left:12px}.ba .r{right:12px;background:var(--green)}
.note{font-size:.8rem;color:var(--mute)}
/* quiz */
.quiz{background:#fff;border-radius:var(--r);padding:26px;border:1px solid #e3e9f1;max-width:720px;margin:24px auto 0}
.quiz label{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:12px;cursor:pointer;border:1px solid #eef1f6;margin-bottom:8px}
.quiz label:has(input:checked){background:#f0f7ea;border-color:var(--lime)}.quiz input{accent-color:var(--green);width:20px;height:20px;margin-top:2px}
.meter{height:14px;border-radius:99px;background:#e6ebf2;overflow:hidden;margin:16px 0 8px}.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--lime),#e0b400,#d9542b);transition:width .4s}
#qres{font-weight:700;color:var(--navy);min-height:3em}
.steps{counter-reset:s;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:24px}
.steps div{background:#fff;border-radius:var(--r);padding:22px;border:1px solid #e3e9f1}.steps div::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font:800 1rem Montserrat;margin-bottom:10px}
.dark{background:var(--navy);color:#dfe7f5}.dark h2,.dark h3{color:#fff}.dark .card{background:#ffffff0d;border-color:#ffffff22;color:#dfe7f5}.dark .card h3{color:#fff}
.areas{display:flex;flex-wrap:wrap;gap:10px;padding:0;list-style:none;margin-top:20px}.areas li{background:#fff;border:1px solid #dbe3ee;padding:.5em 1em;border-radius:999px;font-weight:600;color:var(--navy)}
details{background:#fff;border:1px solid #e3e9f1;border-radius:14px;padding:16px 20px;margin-bottom:10px}summary{font-weight:700;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:10px}summary::after{content:"+";color:var(--green);font-size:1.4rem;line-height:1}details[open] summary::after{content:"–"}
form{display:grid;gap:14px;background:#fff;color:var(--ink);padding:26px;border-radius:var(--r)}
@media(min-width:700px){form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}}
form label{font-weight:600;font-size:.9rem;display:grid;gap:6px}
input,select,textarea{font:inherit;padding:.8em;border:1.5px solid #cfd8e5;border-radius:10px;width:100%}input:focus,select:focus,textarea:focus{outline:3px solid #7cc24255;border-color:var(--green)}
.hp{position:absolute;left:-9999px}
.quote{display:grid;gap:30px}@media(min-width:900px){.quote{grid-template-columns:1fr 1.2fr;align-items:center}}
.bigphone{font:800 2rem Montserrat;color:#fff;text-decoration:none}
footer{background:var(--navy2);color:#aebad3;padding:40px 0;text-align:center;font-size:.9rem}footer .slogan{font:800 1.2rem Montserrat;color:#fff}footer .slogan b{color:var(--lime)}
.sticky-call{position:fixed;left:12px;right:12px;bottom:12px;z-index:60;display:flex;gap:10px}
.sticky-call a{flex:1;justify-content:center;box-shadow:0 10px 26px #0004}
.reveal{opacity:0;transform:translateY(20px);transition:.6s}.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}
/* ===== Mobile polish (desktop >=900px unchanged) ===== */
.m-actions,.m-only{display:none}
@media(max-width:899px){
  html{scroll-padding-top:64px}
  body{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
  .wrap{padding:0 18px}
  header .nav{height:60px}.nav img{height:42px;width:auto}
  .d-only{display:none!important}
  .m-actions{display:flex;gap:8px}
  .icon-btn{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;border:0;cursor:pointer;text-decoration:none}
  .icon-btn.call{background:var(--green);color:#fff}
  .burger{background:#eef2f8;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px}
  .burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--navy);transition:.25s}
  .menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-open .burger span:nth-child(2){opacity:0}.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav ul{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:60px;background:#fff;padding:6px 18px 16px;border-bottom:1px solid #e6ebf2;box-shadow:0 18px 30px #1b2f5e22;transform:translateY(-8px);opacity:0;visibility:hidden;transition:.2s}
  .menu-open .nav ul{transform:none;opacity:1;visibility:visible}
  .nav ul li{border-bottom:1px solid #eef1f6}.nav ul li:last-child{border:0;padding-top:12px}
  .nav ul a{display:flex;align-items:center;min-height:50px;font-size:1.05rem}
  .nav .m-only{display:block}.nav .m-only a{justify-content:center;background:var(--green);color:#fff;border-radius:999px;font-family:Montserrat}
  section{padding:48px 0}
  h2{font-size:1.75rem}
  .eyebrow{font-size:.72rem}
  .hero{padding:24px 0 36px}.hero .wrap{gap:22px}
  .sub{font-size:.7rem;margin:0 0 8px;letter-spacing:.06em}
  .hero h1{font-size:clamp(2.1rem,10.5vw,2.75rem);margin-bottom:.35em}
  .hero p.lead{font-size:1rem;margin:0}
  .cta{display:grid;grid-template-columns:1fr;gap:10px;margin:18px 0 16px}
  .btn{min-height:48px;justify-content:center}
  .cta .btn{width:100%}
  .badges{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .badges li{font-size:.78rem;padding:.5em .7em;border-radius:10px;text-align:left;line-height:1.25}
  .offer{max-width:none;padding:20px;display:grid;grid-template-columns:auto 1fr;column-gap:16px;align-items:center}
  .offer .tag{grid-column:1/-1;justify-self:start;margin-bottom:6px}
  .offer .price{font-size:3rem;line-height:1;grid-row:2/4}.offer .price small{display:block;font-size:.75rem}
  .offer h3{font-size:1.1rem;margin:0}.offer p{margin:0;font-size:.9rem}
  .offer .btn{grid-column:1/-1;margin-top:14px;width:100%}
  .feature{gap:22px}
  .ba{touch-action:none;aspect-ratio:4/3.2}.ba .handle::after{width:48px;height:48px}
  .cards{gap:12px;margin-top:20px}
  .card{padding:18px;display:grid;grid-template-columns:48px 1fr;column-gap:14px;align-items:start}
  .card .ico{width:48px;height:48px;margin:0;grid-row:1/5}
  .card>*:not(.ico){grid-column:2}.card h3{font-size:1.1rem;margin:.2em 0 .25em}.card p{margin:0 0 .4em;font-size:.95rem}
  .card .ribbon{justify-self:start}.card .from{font-size:1.35rem;margin:0}
  .dark .card{display:block}
  .quiz{padding:16px;margin-top:18px}.quiz label{padding:12px;min-height:48px;align-items:center;font-size:.95rem}
  .quiz .btn{width:100%}
  .steps{gap:10px;margin-top:18px}.steps div{padding:16px;display:grid;grid-template-columns:38px 1fr;column-gap:14px}
  .steps div::before{grid-row:1/3;margin:0}.steps h3{font-size:1.05rem;margin:.3em 0 .1em}.steps p{margin:0}
  .areas{gap:8px}.areas li{font-size:.88rem;padding:.55em .9em}
  details{padding:0;margin-bottom:8px}summary{padding:14px 16px;min-height:52px;align-items:center}details p{padding:0 16px 14px;margin:0}
  .quote{gap:20px}.bigphone{font-size:1.6rem;display:inline-flex;min-height:48px;align-items:center}
  form{padding:18px;gap:12px}form .two{display:grid;gap:12px}
  input,select,textarea{font-size:16px;min-height:48px}
  form .btn{width:100%}
  footer{padding:32px 0 20px}footer a{display:inline-block;padding:12px 6px}
  .sticky-call{left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom))}
  .sticky-call a{min-height:52px}
}
@media(max-width:370px){.badges li{font-size:.72rem;display:flex;align-items:center}.hero h1{font-size:2rem}.offer .price{font-size:2.6rem}}
.ba .lbl,.ba .handle{pointer-events:none}
.quiz input{flex:none}