:root{--ink:#0e0e10;--ink2:#1c1e23;--mute:#3a3d45;--line:#c9ccd3;--bg:#ffffff;--alt:#f4f5f8;--acc:#1f3fd6;--acc-d:#142c9e;--light:#9db0ff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:17px;line-height:1.6;text-wrap:pretty}
a{color:var(--acc)}a:hover{color:var(--acc-d)}
h1,h2,h3{font-family:Sora,Inter,sans-serif;letter-spacing:-.02em;line-height:1.1;text-wrap:balance;margin:0 0 .6em}
h2{font-size:clamp(26px,3.2vw,36px);font-weight:800}
h3{font-size:22px;font-weight:700;margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:10}
.top{border-bottom:2px solid var(--ink);background:#fff;position:relative}
.top-in{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;flex-wrap:wrap}
.logo{font-family:Sora,Inter,sans-serif;font-weight:800;letter-spacing:.04em;color:var(--ink);text-decoration:none;display:flex;flex-direction:column;line-height:1.2}
.logo img{display:block;height:54px;width:auto}
.logo span{font-family:Inter,sans-serif;font-weight:500;letter-spacing:0;font-size:13px;color:var(--mute)}
.top nav{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.top nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.top nav a:hover{color:var(--acc)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:10px;background:var(--acc);color:#fff!important;text-decoration:none;font-weight:700;border:2px solid var(--acc);font-size:16px;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--acc-d);border-color:var(--acc-d)}
.btn-sm{min-height:44px;padding:8px 16px;font-size:15px}
.btn-ghost{background:#fff;color:var(--ink)!important;border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff!important;border-color:var(--ink)}
.crumbs{font-size:14px;color:var(--mute);padding-top:16px;padding-bottom:0}
.hero{padding:56px 0 40px}
.kick{font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);margin-bottom:14px}
.hero h1{font-size:clamp(36px,6vw,64px);font-weight:800;letter-spacing:-.03em;max-width:900px}
.hero h1 em,.h1-sm em{font-style:normal;color:var(--acc)}
.h1-sm{font-size:clamp(30px,4vw,44px);font-weight:800}
.lead{font-size:clamp(18px,2vw,21px);color:var(--mute);max-width:720px;margin:0 0 24px}
.lead-sm{color:var(--mute)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:0}
.band{background:var(--acc);color:#fff}
.band-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;padding:28px 24px}
.band-in div{display:flex;flex-direction:column;gap:4px}
.band-in strong{font-family:Sora,Inter,sans-serif;font-size:22px;font-weight:800}
.section{padding:64px 0}
.alt{background:var(--alt)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{display:flex;flex-direction:column;gap:10px;padding:24px;border:1.5px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink2);background:#fff;transition:border-color .15s}
.card:hover{border-color:var(--acc);color:var(--ink2)}
.card p{margin:0;flex-grow:1}
.card-kick{font-family:Sora,Inter,sans-serif;font-weight:800;font-size:20px;color:var(--ink)}
.card-foot{display:flex;justify-content:space-between;font-weight:700;color:var(--acc)}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:48px}
.checks{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start}
.ck{flex-shrink:0;margin-top:4px;color:var(--acc)}
.zones{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 20px;padding-left:20px}
.cards2,.cards3{display:grid;gap:32px}
.cards2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.cards3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.offer{border-top:3px solid var(--ink);padding-top:16px;display:flex;flex-direction:column;gap:10px}
.offer-hl{border-top-color:var(--acc)}
.offer-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.price{font-family:Sora,Inter,sans-serif;font-size:34px;font-weight:800;letter-spacing:-.02em}
.offer-sub{font-size:15px;font-weight:600;color:var(--mute)}
.opts{margin-top:28px;border-top:1px solid var(--line)}
.opt{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--line)}
.opt-p{font-family:Sora,Inter,sans-serif;white-space:nowrap}
.steps{list-style:none;padding:0;margin:0 0 32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.steps li{display:flex;flex-direction:column;gap:4px}
.steps .num{font-family:Sora,Inter,sans-serif;font-size:30px;font-weight:800;color:var(--acc)}
.steps span:last-child{color:var(--mute);font-size:15px}
.guarantee{background:var(--ink);color:#e4e6ea;border-radius:14px;padding:24px 28px;display:flex;flex-direction:column;gap:6px}
.guarantee strong{font-family:Sora,Inter,sans-serif;color:var(--light);font-size:20px}
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:700;font-size:18px;list-style-position:outside}
details p{margin:10px 0 0;color:var(--mute)}
.others{display:flex;flex-wrap:wrap;gap:12px}
.others a{display:inline-flex;min-height:44px;align-items:center;padding:8px 16px;border:1.5px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);font-weight:600;background:#fff}
.others a:hover{border-color:var(--acc);color:var(--acc)}
.contact{background:var(--ink);color:#fff}
.contact h2{color:#fff}
.contact a{color:var(--light)}
.contact .lead-sm{color:#c9ccd3}
.contact-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:48px}
.form{background:#fff;color:var(--ink);border-radius:14px;padding:24px}
.form p{margin:0 0 14px}
.form label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:16px;padding:12px;border:1.5px solid #8a8f9b;border-radius:8px;background:#fff;color:var(--ink);min-height:48px}
.form input:focus,.form select:focus,.form textarea:focus,.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.row2{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 16px}
.hp{position:absolute;left:-9999px}
.small{font-size:14px;color:var(--mute)}
.contact .small{color:#c9ccd3}.form .small{color:var(--mute)}
.foot{border-top:2px solid var(--ink);padding:40px 0;font-size:15px}
.foot-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.foot-name{font-family:Sora,Inter,sans-serif;font-weight:800;font-size:18px}
.foot-title{font-weight:700;margin-bottom:8px}
.foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}
.foot a{color:var(--ink2)}
/* --- relief 3D discret --- */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px)}
.logo img{height:48px}
.hero-home{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 85% 40%,rgba(58,160,255,.10),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px;align-items:center}
.hero-art{perspective:1100px;display:flex;justify-content:center}
.hero-3d{position:relative;width:100%;max-width:470px;transform-style:preserve-3d;transform:rotateX(var(--rx,8deg)) rotateY(var(--ry,-14deg));transition:transform .5s cubic-bezier(.2,.7,.2,1);animation:float 7s ease-in-out infinite}
.hero-3d img{display:block;width:100%;height:auto;transform:translateZ(40px);filter:drop-shadow(0 22px 26px rgba(14,30,90,.18))}
.hero-shadow{position:absolute;left:18%;right:18%;bottom:-34px;height:26px;border-radius:50%;background:radial-gradient(closest-side,rgba(14,14,16,.16),transparent);transform:translateZ(-20px)}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -10px}}
.btn{box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 6px 16px -6px rgba(31,63,214,.55);transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 10px 22px -8px rgba(31,63,214,.6)}
.btn-ghost{box-shadow:none}
.card,.offer{transform-style:preserve-3d;transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .35s,border-color .15s;will-change:transform}
.card{box-shadow:0 1px 2px rgba(14,14,16,.04),0 8px 24px -16px rgba(14,14,16,.18)}
.card:hover{box-shadow:0 2px 4px rgba(14,14,16,.04),0 22px 40px -18px rgba(31,63,214,.35)}
.offer{background:#fff;border-radius:0 0 14px 14px;padding:18px 18px 22px;box-shadow:0 8px 24px -18px rgba(14,14,16,.25)}
.offer:hover{box-shadow:0 22px 40px -20px rgba(31,63,214,.35)}
.band{background:linear-gradient(120deg,#1a36c4,#1f3fd6 45%,#2a63ea)}
.guarantee{background:linear-gradient(135deg,#0e0e10,#1b2340);box-shadow:0 18px 40px -24px rgba(14,30,90,.6)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-art{order:-1}.hero-3d{max-width:230px}}
@media (prefers-reduced-motion:reduce){.hero-3d{animation:none;transition:none}.card,.offer,.btn{transition:none}.reveal{opacity:1;transform:none;transition:none}}
@media (max-width:640px){.top nav{gap:12px}.hero{padding:36px 0 28px}.section{padding:44px 0}.zones{grid-template-columns:1fr}}