:root{--bg:#F7F6F2;--ink:#111111;--muted:#55554F;--line:#E4E2DA;--volt:#C8F03C;--white:#FFFFFF}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"DM Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg,video{display:block}
h1,h2,h3{font-family:"Bricolage Grotesque",Georgia,serif;margin:0}
p{margin:0}
section{scroll-margin-top:96px}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.wrap{max-width:1440px;margin:0 auto;padding:0 80px}

/* header */
header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.bar{height:84px;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:6px;font-family:Poppins,"DM Sans",sans-serif;font-weight:700;font-size:24px;letter-spacing:-.6px}
.nav{display:flex;gap:28px;flex-grow:1;justify-content:center;font-size:15px;font-weight:500}
.nav a{padding:12px 0;border-bottom:2px solid transparent}
.nav a.on{border-color:var(--ink)}
.langs{display:flex;gap:2px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--white)}
.langs button{min-width:44px;height:36px;padding:0 10px;border:0;border-radius:999px;cursor:pointer;font-size:13px;font-weight:600;background:transparent;color:#33332F}
.langs button[aria-pressed="true"]{background:var(--ink);color:var(--white)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--white);align-items:center;justify-content:center;cursor:pointer}

/* buttons */
.btn{height:56px;padding:0 28px;display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:600;font-size:16px;border:0;cursor:pointer}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:#2a2a28}
.btn-line{border:1.5px solid var(--ink);background:transparent;color:var(--ink)}
.btn-volt{background:var(--volt);color:var(--ink)}
.btn-sm{height:46px;padding:0 22px;font-size:15px}
.row{display:flex;gap:12px;flex-wrap:wrap}

/* type */
.pill{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--volt);font-size:14px;font-weight:600}
.h1{font-size:66px;line-height:1.02;font-weight:800;letter-spacing:-2px}
.h2{font-size:48px;line-height:1.05;font-weight:800;letter-spacing:-1.5px}
.lead{font-size:20px;line-height:1.55;color:var(--muted);max-width:560px}
.sub{font-size:18px;line-height:1.55;color:var(--muted);max-width:460px}
.checks{display:flex;gap:24px;flex-wrap:wrap;padding-top:8px}
.check{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:#33332F}

/* layout */
.hero{padding:88px 0 96px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px;align-items:center}
.stack{display:flex;flex-direction:column;gap:28px}
.band{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec{padding:96px 0;display:flex;flex-direction:column;gap:48px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{padding:32px;border-radius:24px;background:var(--bg);display:flex;flex-direction:column;gap:14px}
.band .card{background:var(--bg)}
.card.w{background:var(--white);border:1px solid var(--line)}
.card h3{margin-top:8px;font-size:24px;font-weight:700;letter-spacing:-.4px}
.card p{font-size:16px;line-height:1.6;color:var(--muted)}
.icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.icon.dark{background:var(--ink)}
.icon.volt{background:var(--volt)}
.num-badge{font-family:"Bricolage Grotesque",serif;font-size:15px;font-weight:700;width:40px;height:40px;border-radius:12px;background:var(--volt);display:flex;align-items:center;justify-content:center}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px}
.step{display:flex;flex-direction:column;gap:16px;padding-top:24px;border-top:2px solid var(--ink)}
.step .n{font-family:"Bricolage Grotesque",serif;font-size:64px;font-weight:800;line-height:1}
.step h3{font-size:24px;font-weight:700}
.step p{font-size:16px;line-height:1.6;color:var(--muted)}
.more-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;min-height:44px;margin-top:auto}
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{padding:12px 20px;border-radius:999px;background:var(--white);border:1px solid var(--line);font-size:15px;font-weight:500}
.back{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;min-height:44px;margin-top:32px}

/* fit-to-width boxes (phones, 3D scene, before/after) */
.fit{position:relative;width:100%}
.fit>.fit-inner{position:absolute;left:0;top:0;transform-origin:0 0}

/* phones */
.phone{position:absolute;background:var(--ink);padding:10px}
.screen{position:relative;width:100%;height:100%;overflow:hidden}
.screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.screen .ph{width:100%;height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:16px}
.tag{position:relative;z-index:1;align-self:flex-start;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:600}
.screen>.tag{position:absolute;left:14px;top:14px}
.play{align-self:center;border-radius:999px;display:flex;align-items:center;justify-content:center}

/* 3D */
.scene{position:absolute;inset:0;border-radius:28px;background:#ECEAE3;overflow:hidden;perspective:1600px;perspective-origin:50% 15%}
.floor{position:absolute;left:0;right:0;bottom:0;height:190px;background:#E1DED4}
.p3d{position:absolute;transform-style:preserve-3d}
.p3d>*{position:absolute}

/* before/after */
.ba{position:absolute;inset:0;border-radius:28px;overflow:hidden;background:#CFCAC0}
.ba .after{position:absolute;left:0;top:0;bottom:0;overflow:hidden}
.ba .handle{position:absolute;top:0;bottom:0;width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 0 1px rgba(17,17,17,.15)}
.ba-label{position:absolute;top:16px;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600}
.range{display:flex;align-items:center;gap:14px;font-size:14px;font-weight:500;color:var(--muted)}
.range input{flex-grow:1;accent-color:var(--ink);height:44px}

/* contact */
.contact{padding:0 0 96px}
.contact-box{padding:72px;border-radius:32px;background:var(--ink);color:var(--white);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:64px;align-items:start}
.contact-box .h2{font-size:52px;color:var(--white)}
.contact-box .muted{font-size:18px;line-height:1.55;color:#C9C9C2}
.callbox{margin-top:24px;padding:28px;border-radius:22px;border:1px solid #3A3A36;display:flex;flex-direction:column;gap:14px}
.callbox .t{font-family:"Bricolage Grotesque",serif;font-size:24px;font-weight:700}
.callbox p{font-size:16px;line-height:1.55;color:#C9C9C2}
.formbox{padding:36px;border-radius:24px;background:var(--white);color:var(--ink)}
form{display:flex;flex-direction:column;gap:18px}
label{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600}
input[type=text],input[type=email]{height:52px;padding:0 16px;border:1px solid #CFCCC2;border-radius:12px;background:#fff;font-size:16px;color:var(--ink)}
.consent{font-size:13px;line-height:1.5;color:var(--muted)}
.err{font-size:14px;line-height:1.5;color:#B42318;font-weight:600}
.thanks{min-height:300px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center}
.thanks .t{font-family:"Bricolage Grotesque",serif;font-size:30px;font-weight:800}
.thanks p{font-size:16px;color:var(--muted);max-width:320px}

footer{border-top:1px solid var(--line)}
.foot{padding:32px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:14px;color:var(--muted);flex-wrap:wrap}

/* ---------- tablet ---------- */
@media (max-width:1100px){
  .wrap{padding:0 40px}
  .h1{font-size:54px}
  .hero{gap:40px}
  .nav{gap:18px;font-size:14px}
  .contact-box{padding:48px;gap:40px}
}
/* ---------- phone ---------- */
@media (max-width:860px){
  .wrap{padding:0 16px}
  .bar{height:68px;gap:12px}
  .logo{font-size:20px;flex-grow:1}
  .logo svg{width:26px;height:26px}
  .menu-btn{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 16px 16px}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav a.on{border-color:var(--line);font-weight:700}
  .bar .cta{display:none}
  .langs button{min-width:36px;padding:0 6px}
  .hero{grid-template-columns:1fr;padding:40px 0 56px;gap:32px}
  .h1{font-size:40px;letter-spacing:-1.2px}
  .h2{font-size:34px;letter-spacing:-1px}
  .lead{font-size:17px}
  .sub{font-size:16px}
  .sec{padding:56px 0;gap:32px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .grid3,.steps{grid-template-columns:1fr;gap:16px}
  .steps{gap:28px}
  .step .n{font-size:48px}
  .card{padding:24px}
  .btn{width:100%}
  .row .btn{flex:1 1 100%}
  .contact{padding-bottom:56px}
  .contact-box{grid-template-columns:1fr;padding:28px 20px;border-radius:24px;gap:28px}
  .contact-box .h2{font-size:34px}
  .formbox{padding:20px}
  .back{margin-top:16px}
  .range{flex-direction:column;align-items:stretch;gap:4px}
}