:root{
  --ink:#0b1b33; --ink-2:#33445e; --muted:#5d6b80; --line:#dfe5ee;
  --bg:#f6f8fb; --card:#ffffff; --blue:#1767d2; --blue-d:#0e4ea6; --cyan:#33b6e8; --sand:#f1ede5;
  --r:14px; --sh:0 1px 2px rgba(11,27,51,.06),0 12px 32px -12px rgba(11,27,51,.18);
  --fd:'Cabinet Grotesk',system-ui,sans-serif; --fb:'Satoshi',system-ui,sans-serif;
  --wrap:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--fb);color:var(--ink);background:var(--bg);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{width:var(--wrap);margin-inline:auto}
h1,h2,h3{font-family:var(--fd);line-height:1.08;letter-spacing:-.01em}
h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
h3{font-size:19px;font-weight:700}
.kick{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.lead{font-size:18px;color:var(--ink-2);max-width:60ch}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;border:1.5px solid transparent;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 8px 20px -8px rgba(23,103,210,.6)}
.btn-p:hover{background:var(--blue-d)}
.btn-g{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-w{background:#fff;color:var(--ink)}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:8px}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(246,248,251,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
header.s{border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{width:44px;height:44px;object-fit:contain}
.brand b{font-family:var(--fd);font-size:18px;font-weight:800;line-height:1}
.brand small{display:block;font-size:12px;color:var(--muted);font-weight:500}
.nav ul{display:flex;gap:26px;list-style:none;padding:0}
.nav ul a{text-decoration:none;font-size:14.5px;font-weight:500;color:var(--ink-2)}
.nav ul a:hover{color:var(--blue)}
.nav .act{display:flex;gap:10px}
.nav .btn{padding:9px 16px;font-size:14px}
.menu-b{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px}

/* hero */
.hero{padding:clamp(48px,8vw,96px) 0 0;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-30% -10% auto 40%;height:700px;background:radial-gradient(closest-side,rgba(51,182,232,.22),transparent 70%);pointer-events:none}
.hero-g{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(40px,5.6vw,72px);font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--blue),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:22px 0 30px}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px}
.trust{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;font-size:14px;color:var(--muted)}
.trust span:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);margin-right:8px;vertical-align:middle}
.shot{border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);border:1px solid var(--line);background:#fff}
.hero-v{position:relative}
.hero-v .shot{transform:perspective(1600px) rotateY(-6deg) rotateX(2deg);transform-origin:left center}
.hero-v .tel{position:absolute;width:21%;right:-1%;bottom:-12%;border-radius:20px;border:5px solid #0b1b33;box-shadow:var(--sh);aspect-ratio:390/700;object-fit:cover;object-position:top}
.hero-band{height:110px}

/* sections */
section{padding:clamp(64px,9vw,112px) 0}
.sec-h{display:grid;gap:14px;margin-bottom:44px;max-width:720px}

/* video */
.video{background:var(--ink);color:#fff}
.video .kick{color:var(--cyan)}
.video .lead{color:#c3cede}
.vbox{position:relative;border-radius:18px;overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.12);aspect-ratio:16/10;background:#000}
.vbox video{width:100%;height:100%;object-fit:cover}
.vplay{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(180deg,rgba(11,27,51,.15),rgba(11,27,51,.55));border:0;cursor:pointer;color:#fff}
.vplay span{display:flex;align-items:center;gap:12px;background:#fff;color:var(--ink);padding:14px 24px;border-radius:999px;font-weight:700;font-size:16px}
.vplay svg{width:22px;height:22px}
.vgrid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:center}
.vlist{list-style:none;padding:0;display:grid;gap:12px;margin-top:24px}
.vlist li{display:flex;gap:12px;color:#dbe3ee}
.vlist b{color:#fff;font-family:var(--fd);min-width:28px}

/* problems */
.prob{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.pc .n{font-family:var(--fd);font-size:40px;font-weight:800;color:var(--blue);line-height:1}
.pc p{color:var(--ink-2);margin-top:10px}

/* features alternating */
.feat{display:grid;grid-template-columns:1fr 1.25fr;gap:56px;align-items:center;margin-bottom:88px}
.feat:last-child{margin-bottom:0}
.feat.r{grid-template-columns:1.25fr 1fr}
.feat.r .ft{order:2}
.ft h3{font-size:clamp(24px,2.4vw,30px);font-weight:800;margin:10px 0 14px}
.ft p{color:var(--ink-2)}
.ft ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.ft li{display:flex;gap:10px;color:var(--ink-2)}
.ft li:before{content:"";flex:0 0 18px;height:18px;margin-top:4px;border-radius:50%;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231767d2' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat,#e3eefc}

/* modules */
.mods{background:var(--sand)}
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.m{background:#fff;border-radius:12px;padding:18px 20px;border:1px solid #e6e0d4;display:grid;grid-template-columns:auto 1fr;gap:4px 14px}
.m i{grid-row:span 2;font-style:normal;font-family:var(--fd);font-weight:800;font-size:15px;color:var(--blue);background:#e8f1fd;border-radius:8px;width:34px;height:34px;display:grid;place-items:center}
.m b{font-size:15.5px}
.m span{font-size:14px;color:var(--muted);line-height:1.45}
.m.base{background:var(--ink);color:#fff;border-color:var(--ink);grid-column:span 3;grid-template-columns:1fr auto;align-items:center}
.m.base span{color:#c3cede}
.m.base i{display:none}

/* gallery */
.gal-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.gal-tabs button{font:inherit;font-size:14.5px;font-weight:600;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.gal-tabs button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.gal-cap{margin-top:14px;color:var(--muted);font-size:14.5px}

/* install */
.inst{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ic{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:12px}
.ic.hl{border:2px solid var(--blue);box-shadow:var(--sh)}
.ic .tag{align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#e8f1fd;color:var(--blue);padding:5px 10px;border-radius:999px}
.ic p{color:var(--ink-2)}
.ic ul{padding-left:18px;color:var(--ink-2);display:grid;gap:6px;font-size:15px}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pl{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;display:flex;flex-direction:column;gap:14px}
.pl.hl{background:var(--ink);color:#fff;border-color:var(--ink)}
.pl.hl p,.pl.hl li{color:#c3cede}
.pl .pr{font-family:var(--fd);font-size:30px;font-weight:800}
.pl .pr small{font-family:var(--fb);font-size:14px;font-weight:500;opacity:.75}
.pl ul{padding-left:18px;display:grid;gap:7px;font-size:15px;color:var(--ink-2);flex:1}
.pay{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;align-items:center;color:var(--muted);font-size:14px}
.pay span.c{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 12px;font-weight:600;color:var(--ink-2)}
.note{font-size:13.5px;color:var(--muted);margin-top:14px}

/* security */
.secg{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.sc{border-top:3px solid var(--blue);padding-top:16px}
.sc p{color:var(--ink-2);font-size:15px;margin-top:6px}

/* cta */
.cta-b{background:linear-gradient(120deg,var(--blue-d),var(--blue) 55%,var(--cyan));color:#fff;border-radius:24px;padding:clamp(36px,6vw,64px);display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta-b h2{color:#fff}
.cta-b p{color:#e6f0fd;margin-top:12px}
.cta-b .act{display:flex;flex-direction:column;gap:12px;align-items:flex-start}

footer{padding:48px 0 40px;color:var(--muted);font-size:14px}
.fg{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:28px}
footer a{text-decoration:none}
footer a:hover{color:var(--blue)}
.fl{display:flex;gap:18px;flex-wrap:wrap}

.rv{opacity:1;transform:none}
@media (prefers-reduced-motion:no-preference){.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}.js .rv.in{opacity:1;transform:none}}

@media (max-width:980px){
  .hero-g,.vgrid,.feat,.feat.r,.cta-b{grid-template-columns:1fr}
  .feat.r .ft{order:0}
  .hero-v .shot{transform:none}
  .prob,.inst,.plans{grid-template-columns:1fr}
  .mgrid{grid-template-columns:1fr 1fr}
  .m.base{grid-column:span 2}
  .secg{grid-template-columns:1fr 1fr}
  .nav ul{display:none}
  .nav ul.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:#fff;padding:18px 20px;border-bottom:1px solid var(--line);gap:14px}
  .menu-b{display:grid;place-items:center}
  .nav .act .btn-g{display:none}
  .feat{margin-bottom:64px}
}
@media (max-width:560px){
  .mgrid{grid-template-columns:1fr}.m.base{grid-column:auto;grid-template-columns:1fr}
  .secg{grid-template-columns:1fr}
  .hero-v .tel{width:34%;right:2%;bottom:-6%}
  .nav .act .btn-p{display:none}
  body{font-size:16px}
}