:root{
  --slate:#304048;--ink:#2A363D;--cyan:#68D8F8;--cyan2:#2E9FC9;--cyan-d:#1A7399;
  --light:#EEF3F4;--paper:#FBFCFC;--grey:#4E5C64;--muted:#C9D6DC;--line:#DCE4E7;--tint:#DDF4FC;
  --r:14px;--sh:0 4px 18px rgba(48,64,72,.09);--max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Poppins',Arial,sans-serif;color:var(--ink);background:var(--light);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan-d)}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(34px,5.4vw,60px)}
h2{font-size:clamp(28px,3.8vw,42px)}
h3{font-size:21px}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan-d);margin-bottom:12px;display:block}
.dark .eyebrow{color:var(--cyan)}
.lead{font-size:clamp(17px,2vw,20px);color:var(--grey);max-width:760px}
.dark .lead{color:var(--muted)}
section{padding:80px 0}
.dark{background:var(--slate);color:#F4F7F8}
.dark p{color:var(--muted)}
.white{background:var(--paper)}
.accent{color:var(--cyan)}
.accent-d{color:var(--cyan-d)}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(48,64,72,.97);backdrop-filter:blur(6px)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-weight:700;font-size:24px;color:#F4F7F8;text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--cyan)}
.nav{display:flex;gap:22px;align-items:center}
.nav a{color:#E3EBEE;text-decoration:none;font-size:15px;font-weight:500}
.nav a:hover{color:var(--cyan)}
.nav .btn{padding:9px 18px;font-size:14px}
.burger{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;padding:6px}
@media (max-width:900px){
  .burger{display:block}
  .nav{position:absolute;top:64px;left:0;right:0;background:var(--slate);flex-direction:column;align-items:flex-start;padding:16px 20px 24px;gap:14px;display:none}
  .nav.open{display:flex}
}

/* buttons */
.btn{display:inline-block;background:var(--cyan);color:var(--slate);font-weight:600;text-decoration:none;border-radius:40px;padding:14px 28px;border:0;cursor:pointer;font-family:inherit;font-size:16px;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn.ghost{background:transparent;border:2px solid var(--cyan);color:var(--cyan)}
.btn.darkbtn{background:var(--slate);color:#fff}
.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}

/* hero */
.hero{padding:96px 0 88px;position:relative;overflow:hidden}
.hero h1 .accent{color:var(--cyan)}
.hero:before{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;background:#3A4C55}
.hero:after{content:"";position:absolute;right:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;background:var(--cyan);opacity:.9}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero:after,.hero:before{display:none}}

/* grids & cards */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--paper);border-radius:var(--r);box-shadow:var(--sh);padding:26px;border-top:5px solid var(--cyan2);display:flex;flex-direction:column}
.card p{color:var(--grey);font-size:15.5px}
.card .res{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);color:var(--cyan-d);font-weight:600;font-size:15px}
.card.darkc{background:var(--slate);color:#F4F7F8;border-top-color:var(--cyan)}
.card.darkc p{color:var(--muted)}
.num{display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--cyan2);color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:14px;font-size:15px}
.model{padding:36px;border-radius:18px}
.pill{display:inline-block;background:var(--tint);color:var(--ink);font-weight:600;border-radius:10px;padding:12px 18px;font-size:15px;margin-top:14px}
.darkc .pill{background:var(--cyan);color:var(--slate)}
.tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan-d);background:var(--tint);border-radius:20px;padding:4px 12px}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{padding:7px 0 7px 26px;position:relative}
ul.clean li:before{content:"";position:absolute;left:4px;top:15px;width:9px;height:9px;border-radius:50%;background:var(--cyan2)}
.dark ul.clean li:before,.darkc ul.clean li:before{background:var(--cyan)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
@media (max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{border-left:3px solid var(--cyan);padding-left:18px}
.stat b{display:block;font-size:clamp(30px,4vw,44px);color:var(--cyan);line-height:1.1}
.stat span{display:block;font-weight:600;color:#F4F7F8}
.stat small{color:var(--muted);font-size:14px}
.note{font-size:14px;color:var(--muted);margin-top:28px;border-top:1px solid #4A5D66;padding-top:16px}

/* steps */
.steps .card{border-top:0}
.steps .big{font-size:40px;font-weight:700;color:var(--cyan2);line-height:1}

/* forms */
.formbox{background:var(--paper);color:var(--ink);border-radius:18px;padding:30px;box-shadow:0 10px 40px rgba(20,30,36,.25)}
.formbox h3{font-size:22px}
.formbox p.small{font-size:14px;color:var(--grey)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form .full{grid-column:1/-1}
@media (max-width:520px){.form{grid-template-columns:1fr}}
.form label{font-size:13px;font-weight:600;color:var(--ink);display:block;margin-bottom:4px}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:15px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan2)}
.form .chk{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--grey);font-weight:400}
.form .chk input{width:18px;height:18px;margin-top:2px;flex:none}
.form .btn{width:100%}
.hp{position:absolute;left:-9999px;opacity:0}
.msg{display:none;padding:14px;border-radius:10px;font-size:15px;margin-top:6px}
.msg.ok{display:block;background:#E3F6EC;color:#1D5B3A}
.msg.err{display:block;background:#FCE9E6;color:#8A2B1E}

/* faq */
details{background:var(--paper);border-radius:12px;padding:18px 22px;margin-bottom:12px;box-shadow:var(--sh)}
summary{cursor:pointer;font-weight:600}
details p{margin:12px 0 0;color:var(--grey)}

/* blog */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 32px}
.chip{border:1.5px solid var(--cyan2);background:transparent;color:var(--cyan-d);border-radius:30px;padding:8px 16px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.chip.on{background:var(--cyan2);color:#fff}
.post-card{background:var(--paper);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.post-card .ph{aspect-ratio:16/10;background:var(--slate);overflow:hidden}
.post-card .ph img{width:100%;height:100%;object-fit:cover;object-position:top}
.post-card .ph.noimg{display:flex;align-items:center;justify-content:center;color:var(--cyan);font-weight:700;font-size:22px;padding:20px;text-align:center}
.post-card .bd{padding:20px}
.post-card h3{font-size:18px;margin:10px 0 8px}
.post-card p{font-size:14.5px;color:var(--grey);margin:0}
.article{max-width:760px;margin:0 auto}
.article p,.article li{font-size:18px;line-height:1.75}
.article figure{margin:28px 0}
.article figure img{border-radius:12px;max-width:520px;margin:0 auto;width:100%}
.crumbs{font-size:14px;color:var(--muted)}
.crumbs a{color:var(--cyan)}
.cta-box{background:var(--slate);color:#F4F7F8;border-radius:18px;padding:32px;margin:40px 0}
.cta-box p{color:var(--muted)}
.byline{display:flex;gap:12px;align-items:center;font-size:14px;color:var(--muted)}

/* footer */
footer{background:#24323A;color:var(--muted);padding:48px 0 32px;font-size:14px}
footer a{color:#E3EBEE;text-decoration:none}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media (max-width:760px){footer .cols{grid-template-columns:1fr 1fr}}
footer h4{color:#fff;margin:0 0 10px;font-size:15px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:6px 0}
.legal{border-top:1px solid #3A4C55;margin-top:32px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.nav a.btn{color:var(--slate)}
.nav a.btn:hover{color:var(--slate)}
.darkc .eyebrow{color:var(--cyan)}
.post-card .ph.noimg{aspect-ratio:16/6}