:root{
  --red:#fd161f; --red-dark:#b80d14; --bg:#070707; --bg2:#101010; --card:#151515;
  --line:#262626; --text:#f5f5f5; --muted:#a3a3a3; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,100% - 32px);margin-inline:auto}
.red{color:var(--red)}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(7,7,7,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{height:44px;width:auto}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-weight:600;font-size:.95rem;color:var(--muted);transition:.2s}
.nav a:hover{color:#fff}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:700;border:2px solid var(--red);background:var(--red);color:#fff;cursor:pointer;transition:.2s;font-family:inherit;font-size:1rem}
.btn:hover{background:var(--red-dark);border-color:var(--red-dark);transform:translateY(-2px)}
.btn.ghost{background:transparent;border-color:#fff}
.btn.ghost:hover{background:#fff;color:#000}
.btn.block{width:100%}
.btn.sm{padding:9px 20px;font-size:.9rem}

/* Hero */
.hero{position:relative;padding:110px 0 90px;overflow:hidden;text-align:center}
.hero::before{content:"";position:absolute;inset:-40% -20% auto;height:120%;background:radial-gradient(ellipse at center,rgba(253,22,31,.28),transparent 60%);pointer-events:none}
.hero h1{font-size:clamp(2.2rem,6vw,4.2rem);font-weight:900;line-height:1.1;letter-spacing:-1px;position:relative}
.hero p{max-width:640px;margin:22px auto 34px;color:var(--muted);font-size:1.15rem;position:relative}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
.hero .redline{width:180px;height:4px;margin:26px auto 0;background:linear-gradient(90deg,transparent,var(--red),transparent)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:64px;position:relative}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stat b{display:block;font-size:1.9rem;font-weight:900;color:var(--red)}
.stat span{color:var(--muted);font-size:.9rem}

/* Sections */
section{padding:90px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title small{color:var(--red);font-weight:800;letter-spacing:3px;text-transform:uppercase;font-size:.8rem}
.section-title h2{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:900;margin-top:8px}
.section-title p{color:var(--muted);max-width:600px;margin:10px auto 0}
.alt{background:var(--bg2);border-block:1px solid var(--line)}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s}
.feature:hover{border-color:var(--red);transform:translateY(-4px)}
.feature .ico{width:52px;height:52px;border-radius:12px;background:rgba(253,22,31,.12);color:var(--red);display:grid;place-items:center;font-size:1.5rem;margin-bottom:18px}
.feature h3{font-size:1.15rem;margin-bottom:8px}
.feature p{color:var(--muted);font-size:.95rem}

/* Pricing */
.device-tabs{display:flex;justify-content:center;gap:8px;margin:0 auto 44px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px;width:max-content;max-width:100%;flex-wrap:wrap}
.device-tabs button{border:0;background:transparent;color:var(--muted);padding:11px 22px;border-radius:999px;font-weight:700;cursor:pointer;font-family:inherit;font-size:.95rem}
.device-tabs button.active{background:var(--red);color:#fff}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px 26px;display:flex;flex-direction:column;transition:.25s}
.plan:hover{transform:translateY(-6px)}
.plan.popular{border:2px solid var(--red);box-shadow:0 0 40px rgba(253,22,31,.25)}
.plan .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--red);color:#fff;font-size:.72rem;font-weight:800;padding:5px 14px;border-radius:999px;letter-spacing:1px;text-transform:uppercase;white-space:nowrap}
.plan h3{font-size:1.25rem}
.plan .devices{color:var(--muted);font-size:.9rem}
.plan .price{font-size:2.6rem;font-weight:900;margin:18px 0 2px}
.plan .price sup{font-size:1.1rem;vertical-align:super}
.plan .per{color:var(--muted);font-size:.85rem;margin-bottom:22px}
.plan ul{list-style:none;margin-bottom:28px;flex:1}
.plan li{padding:7px 0;font-size:.92rem;border-bottom:1px dashed var(--line);display:flex;gap:10px}
.plan li::before{content:"✓";color:var(--red);font-weight:900}

/* Devices strip */
.devices-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.devices-strip span{background:var(--card);border:1px solid var(--line);padding:12px 22px;border-radius:999px;font-weight:600;color:var(--muted)}

/* Steps */
.step{text-align:center}
.step .num{width:60px;height:60px;border-radius:50%;margin:0 auto 16px;background:var(--red);display:grid;place-items:center;font-weight:900;font-size:1.4rem}

/* FAQ */
.faq{max-width:820px;margin:auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;padding:20px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--red);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);padding-bottom:20px}

/* CTA band */
.band{background:linear-gradient(120deg,var(--red-dark),var(--red));border-radius:22px;padding:56px 32px;text-align:center}
.band h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:900}
.band p{margin:10px 0 26px;opacity:.9}
.band .btn{background:#fff;color:#000;border-color:#fff}

/* Footer */
.footer{border-top:1px solid var(--line);padding:56px 0 28px;color:var(--muted);font-size:.92rem}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer h4{color:#fff;margin-bottom:12px}
.footer a{display:block;padding:4px 0}
.footer a:hover{color:var(--red)}
.footer .copy{border-top:1px solid var(--line);padding-top:22px;text-align:center;font-size:.85rem}

/* WhatsApp float */
.wa{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.4);z-index:60}
.wa svg{width:30px;height:30px;fill:#fff}

/* Checkout */
.checkout{padding:60px 0 90px}
.checkout h1{font-size:clamp(1.7rem,4vw,2.4rem);font-weight:900;margin-bottom:6px}
.checkout .sub{color:var(--muted);margin-bottom:34px}
.co-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
.box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px}
.box h2{font-size:1.1rem;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.box h2 .n{width:28px;height:28px;border-radius:50%;background:var(--red);display:grid;place-items:center;font-size:.85rem}
.box + .box{margin-top:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:#ddd}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:10px;border:1px solid var(--line);background:#0c0c0c;color:#fff;font-family:inherit;font-size:.95rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.opts{display:grid;gap:10px}
.opt,.field label.opt{display:flex;margin:0;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;transition:.2s}
.opt:has(input:checked){border-color:var(--red);background:rgba(253,22,31,.07)}
.opt input{accent-color:var(--red);width:18px;height:18px}
.opt .t{font-weight:700}
.opt .d{color:var(--muted);font-size:.82rem}
.opt .r{margin-left:auto;font-weight:800}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip,.field label.chip{flex:1;margin:0;min-width:70px;text-align:center;border:1px solid var(--line);border-radius:10px;padding:12px;cursor:pointer;font-weight:700}
.chip:has(input:checked){border-color:var(--red);background:rgba(253,22,31,.1)}
.chip input{display:none}
.summary{position:sticky;top:96px}
.summary .line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.summary .line span:first-child{color:var(--muted)}
.summary .total{display:flex;justify-content:space-between;font-size:1.4rem;font-weight:900;margin:18px 0 22px}
.summary .total span:last-child{color:var(--red)}
.check{display:flex;gap:10px;font-size:.85rem;color:var(--muted);margin:14px 0 20px;align-items:flex-start}
.check input{accent-color:var(--red);margin-top:3px}
.check a{color:#fff;text-decoration:underline}
.secure{display:flex;justify-content:center;gap:8px;color:var(--muted);font-size:.8rem;margin-top:14px}
.error{color:#ff6b6b;font-size:.85rem;margin-top:8px;display:none}

/* Simple pages */
.page{padding:70px 0 90px;max-width:820px}
.page h1{font-size:2.2rem;font-weight:900;margin-bottom:20px}
.page h2{margin:28px 0 8px;font-size:1.2rem}
.page p{color:var(--muted)}
.center{text-align:center}
.okicon{width:84px;height:84px;border-radius:50%;background:var(--red);display:grid;place-items:center;font-size:2.4rem;margin:0 auto 24px}

/* Responsive */
@media (max-width:980px){
  .plans{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:1fr 1fr}
  .co-grid{grid-template-columns:1fr}
  .summary{position:static}
}
@media (max-width:720px){
  .nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:#0b0b0b;padding:20px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .burger{display:block}
  .stats{grid-template-columns:1fr 1fr}
  .plans,.grid3{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .logo img{height:36px}
  section{padding:64px 0}
}