:root{
  color-scheme: dark;
  --bg:#0b0f14;
  --card:#0f1622;
  --card-2:#0b111b;
  --text:#e8eef7;
  --muted:#b8c2d1;
  --muted-2:#8d98ab;
  --line:rgba(255,255,255,.14);
  --shadow:0 8px 22px rgba(0,0,0,.22);
  --radius:18px;
  --accent:#ffb86b;
  --accent-2:#83c5ff;
  --focus:0 0 0 3px rgba(131,197,255,.35);
  --container:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,"Noto Sans","Liberation Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}

img{max-width:100%;height:auto}
a{color:inherit}

.container{
  width:min(var(--container), calc(100% - 48px));
  margin-inline:auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background:var(--card);
  color:var(--text);
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  z-index:999;
}
.skip-link:focus{left:16px;top:14px;outline:none;box-shadow:var(--focus)}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,15,20,.92);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  min-width:max-content;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--accent);
  border:1px solid rgba(255,255,255,.18);
}
.brand-name{font-weight:700;letter-spacing:.2px}

.site-nav{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav-link{
  text-decoration:none;
  color:var(--muted);
  padding:8px 10px;
  border-radius:999px;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link:focus{outline:none;box-shadow:var(--focus)}
.nav-cta{
  color:var(--bg);
  background:var(--accent);
  font-weight:700;
}
.nav-cta:hover{filter:brightness(1.05)}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  padding:10px 12px;
  border-radius:999px;
}
.nav-toggle:focus{outline:none;box-shadow:var(--focus)}
.nav-toggle-text{font-weight:600}
.nav-toggle-bars{
  width:18px;
  height:12px;
  position:relative;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:2px;
  background:rgba(255,255,255,.85);
  border-radius:2px;
}
.nav-toggle-bars::before{top:1px}
.nav-toggle-bars::after{bottom:1px}

.hero{padding:62px 0 18px}
.hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:center;
}
h1{
  margin:0 0 10px;
  font-size:clamp(2rem, 2.4vw + 1.3rem, 3.2rem);
  line-height:1.08;
  letter-spacing:-.02em;
}
.hero-subtitle{
  margin:0 0 20px;
  color:var(--muted);
  max-width:52ch;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{
  margin:16px 0 0;
  color:var(--muted-2);
  max-width:62ch;
  font-size:.98rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  text-decoration:none;
  padding:11px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-weight:700;
  letter-spacing:.1px;
}
.btn:hover{background:rgba(255,255,255,.06)}
.btn:focus{outline:none;box-shadow:var(--focus)}
.btn-primary{
  background:var(--accent);
  color:var(--bg);
  border-color:rgba(255,255,255,.18);
}
.btn-primary:hover{filter:brightness(1.05)}
.btn-secondary{background:rgba(255,255,255,.04)}
.btn-block{width:100%}

.hero-media{
  margin:0;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.14);
  overflow:hidden;
  background:var(--card-2);
}
.hero-media img{
  width:100%;
  height:auto;
  display:block;
}

.section{
  padding:56px 0;
  border-top:1px solid var(--line);
}
.section-head{margin-bottom:18px}
h2{
  margin:0 0 8px;
  font-size:clamp(1.4rem, 1vw + 1.2rem, 2.0rem);
  letter-spacing:-.01em;
}
h3{margin:0 0 10px;font-size:1.1rem}
.section-subtitle{margin:0;color:var(--muted);max-width:74ch}

.grid{display:grid;gap:14px}
.cards{grid-template-columns:repeat(3, minmax(0, 1fr))}
.plans{grid-template-columns:repeat(3, minmax(0, 1fr))}

.card{
  background:var(--card);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:none;
}
.card p{margin:0;color:var(--muted)}
.card p + p{margin-top:10px}

.plan{display:flex;flex-direction:column;gap:14px}
.plan-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.price{margin:0}
.price-amount{font-size:1.75rem;font-weight:800;color:var(--text)}
.price-term{color:var(--muted);margin-left:6px;font-weight:700}
.badge{
  margin:10px 0 0;
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  font-size:.85rem;
  font-weight:800;
  background:rgba(131,197,255,.10);
  border:1px solid rgba(131,197,255,.25);
  color:var(--text);
}
.plan-featured{
  border-color:rgba(255,184,107,.34);
  box-shadow:0 10px 28px rgba(0,0,0,.22);
}
.list{
  margin:0;
  padding-left:18px;
  color:var(--muted);
}
.list li{margin:8px 0}

.notice{
  margin-top:14px;
  padding:16px 18px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.14);
  background:var(--card-2);
  color:var(--muted);
}
.notice p{margin:0}

.faq{display:grid;gap:12px}
.faq-item{
  border:1px solid rgba(255,255,255,.14);
  background:var(--card-2);
  border-radius:16px;
  padding:14px 16px;
}
.faq-item summary{
  cursor:pointer;
  font-weight:800;
  color:var(--text);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus{outline:none;box-shadow:var(--focus);border-radius:12px}
.faq-item p{margin:10px 0 0;color:var(--muted)}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  align-items:start;
}
.contact-card h3{margin-bottom:8px}
.contact-list{
  margin:14px 0 0;
  padding-left:18px;
  color:var(--muted);
}
.contact-external{margin-top:12px}
.contact-external a{color:var(--accent-2);text-decoration:none}
.contact-external a:hover{text-decoration:underline}
.contact-external a:focus{outline:none;box-shadow:var(--focus);border-radius:10px}

.form{display:grid;gap:12px}
.field{display:grid;gap:6px}
label{font-weight:800}
input,textarea{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:var(--card-2);
  color:var(--text);
  padding:12px 12px;
  font:inherit;
}
input:focus,textarea:focus{outline:none;box-shadow:var(--focus);border-color:rgba(131,197,255,.36)}
.form-status{margin:6px 0 0;color:var(--muted);min-height:1.2em}

.site-footer{
  border-top:1px solid var(--line);
  padding:32px 0 18px;
  background:var(--bg);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
  align-items:start;
}
.brand-footer{gap:10px}
.footer-note{margin:10px 0 0;color:var(--muted);max-width:62ch}
.footer-links{
  display:grid;
  gap:10px;
  justify-items:start;
}
.footer-links a{
  text-decoration:none;
  color:var(--muted);
  padding:6px 10px;
  border-radius:999px;
}
.footer-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.footer-links a:focus{outline:none;box-shadow:var(--focus)}
.footer-bottom{padding-top:18px}
.footer-bottom p{margin:0;color:var(--muted-2)}

@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2, minmax(0,1fr))}
  .plans{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}

@media (max-width: 720px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    right:24px;
    top:64px;
    width:min(320px, calc(100vw - 48px));
    flex-direction:column;
    align-items:stretch;
    padding:12px;
    border-radius:18px;
    border:1px solid rgba(255,255,255,.12);
    background:rgba(11,15,20,.98);
    box-shadow:var(--shadow);
    display:none;
  }
  .site-nav.is-open{display:flex}
  .nav-link{padding:10px 12px}
  .cards{grid-template-columns:1fr}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
}

.device-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}
.device{
  display:grid;
  gap:8px;
  align-content:start;
}
.device-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:var(--card-2);
  display:grid;
  place-items:center;
  color:var(--muted);
  font-weight:900;
  letter-spacing:.2px;
}

.steps{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:14px;
}
.step h3{margin-bottom:6px}

.split{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:18px;
  align-items:start;
}
.split-media{
  margin:0;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.14);
  overflow:hidden;
  background:var(--card-2);
}
.split-media img{width:100%;height:auto;display:block}

.quality-cards{grid-template-columns:1fr}

.support-media{
  margin:14px 0 0;
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:var(--card-2);
}
.support-media img{width:100%;height:auto;display:block}

.section-media{
  margin:14px 0 0;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:var(--card-2);
}
.section-media img{width:100%;height:auto;display:block}

@media (max-width: 980px){
  .device-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2, minmax(0,1fr))}
  .split{grid-template-columns:1fr}
}

@media (max-width: 560px){
  .device-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
}