:root{
  --bg:#0c1322;
  --bg2:#111b2f;
  --card:#16223a;
  --line:#24324e;
  --text:#e8edf6;
  --muted:#8d9bb5;
  --accent:#ffb454;
  --accent-ink:#1d1405;
  --ok:#3ddc84;
  --bad:#ff5d73;
  --radius:14px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"PT Sans",sans-serif;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1;width:100%;max-width:960px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.02em}
h2{font-size:1.4rem}
h3{font-size:1.05rem}
a{color:var(--accent)}
b{font-weight:600}

/* --- шапка / подвал --- */
.top{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  max-width:960px;margin:0 auto;padding:18px 20px;width:100%;
}
.logo{
  font-size:1.35rem;font-weight:800;letter-spacing:.02em;
  color:var(--text);text-decoration:none;
}
.logo span{color:var(--accent)}
nav{display:flex;align-items:center;gap:14px}
.nav-link{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav-link:hover{color:var(--text)}
.foot{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  max-width:960px;margin:48px auto 0;padding:20px;width:100%;
  color:var(--muted);font-size:.9rem;border-top:1px solid var(--line);
}

/* --- кнопки --- */
.btn{
  display:inline-block;border:1px solid var(--line);border-radius:10px;
  padding:10px 18px;font-size:.98rem;font-weight:600;cursor:pointer;
  text-decoration:none;text-align:center;color:var(--text);
  background:transparent;transition:transform .08s ease,background .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{background:#ffc474}
.btn-ghost:hover{background:var(--bg2)}
.btn-block{display:block;width:100%}
.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;padding:0;font:inherit;font-size:.92rem}

/* --- герой: «тоннель» --- */
.hero{position:relative;text-align:center;padding:84px 0 56px;overflow:hidden}
.tunnel{
  position:absolute;inset:-40% -20% auto;height:200%;z-index:-1;
  background:
    radial-gradient(circle at 50% 38%, transparent 58px, rgba(255,180,84,.14) 59px, transparent 61px),
    radial-gradient(circle at 50% 38%, transparent 118px, rgba(255,180,84,.09) 119px, transparent 122px),
    radial-gradient(circle at 50% 38%, transparent 198px, rgba(255,180,84,.06) 199px, transparent 203px),
    radial-gradient(circle at 50% 38%, transparent 298px, rgba(255,180,84,.04) 299px, transparent 304px),
    radial-gradient(circle at 50% 30%, rgba(255,180,84,.07), transparent 45%);
}
.eyebrow{
  display:inline-block;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;background:rgba(255,180,84,.06);margin-bottom:18px;
}
.lead{color:var(--muted);max-width:560px;margin:0 auto 26px;font-size:1.08rem}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* --- фичи --- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 56px}
.feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;
}
.feature p{color:var(--muted);margin:0;font-size:.95rem}

/* --- тарифы --- */
.tariffs{text-align:center;padding-bottom:24px}
.tariff-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:14px;margin:22px 0 14px;
}
.tariff{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 16px;display:flex;flex-direction:column;gap:6px;align-items:center;margin:0;
}
.tariff-hl{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.tariff-months{color:var(--muted);font-size:.92rem}
.tariff-price{font-size:1.7rem;font-weight:800}
.tariff-per{color:var(--muted);font-size:.85rem;margin-bottom:8px}
.tariff .btn{margin-top:auto}
.compact .tariff-price{font-size:1.4rem}

/* --- авторизация --- */
.auth-card{
  max-width:440px;margin:48px auto;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
}
.auth-block{margin:18px 0}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.85rem;margin:8px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row input{flex:1;min-width:160px}
input[type=email],input[type=text]{
  background:var(--bg2);border:1px solid var(--line);border-radius:10px;
  color:var(--text);padding:10px 14px;font-size:1rem;width:100%;
}
input:focus-visible,.btn:focus-visible,.link-btn:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.resend{margin-top:10px}

/* --- кабинет --- */
.cabinet{display:flex;flex-direction:column;gap:18px;padding:24px 0}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
}
.status-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.badge{font-size:.85rem;font-weight:700;border-radius:999px;padding:4px 14px}
.badge-on{background:rgba(61,220,132,.12);color:var(--ok)}
.badge-off{background:rgba(255,93,115,.12);color:var(--bad)}
.status-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:14px;margin-top:14px;
}
.status-grid span{display:block;font-size:.85rem}
.sub-row{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.sub-row input{flex:1;min-width:200px;font-size:.88rem;color:var(--muted)}
.qr-details summary{cursor:pointer;color:var(--accent)}
.qr-details img{margin-top:14px;border-radius:10px;background:#fff;padding:8px}
.link-row{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.link-row:last-of-type{border-bottom:none}

/* --- уведомления --- */
.alert{
  background:rgba(255,93,115,.1);border:1px solid rgba(255,93,115,.35);
  color:#ffc4cd;border-radius:10px;padding:12px 16px;font-size:.95rem;
}
.alert-ok{background:rgba(61,220,132,.1);border-color:rgba(61,220,132,.35);color:#bdf2d6}

.muted{color:var(--muted)}
.small{font-size:.85rem}
.center{text-align:center}

@media (max-width:720px){
  .features{grid-template-columns:1fr}
  .hero{padding:56px 0 40px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important}
}

/* --- подвал: ссылки --- */
.foot-links{display:flex;gap:16px;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none}
.foot-links a:hover{color:var(--text)}

/* --- согласие при оплате --- */
.consent{display:flex;gap:10px;align-items:flex-start;margin:14px 0 6px;font-size:.9rem;color:var(--muted)}
.consent input{margin-top:3px;flex:none;width:16px;height:16px;accent-color:var(--accent)}
.consent a{color:var(--accent)}

/* --- страница инструкций --- */
.help{padding:32px 0;display:flex;flex-direction:column;gap:18px}
.lead-sm{color:var(--muted);max-width:680px;font-size:1.02rem}
.help-h2{margin-top:8px}
.help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.client h3{color:var(--accent)}
.client .platform{color:var(--muted);font-size:.85rem;margin:-4px 0 12px}
.client ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:7px;font-size:.95rem}
.help-trouble ul{padding-left:20px;display:flex;flex-direction:column;gap:6px;color:var(--muted)}
.help-trouble li{font-size:.95rem}

/* --- инструкции: аккордеон приложений --- */
.app-acc{padding:0;overflow:hidden}
.app-acc>summary{
  list-style:none;cursor:pointer;padding:18px 24px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.app-acc>summary::-webkit-details-marker{display:none}
.app-acc>summary::after{content:"⌄";color:var(--muted);font-size:1.3rem;line-height:1;transition:transform .2s}
.app-acc[open]>summary::after{transform:rotate(180deg)}
.app-name{font-weight:700;font-size:1.1rem}
.app-plat{color:var(--muted);font-size:.85rem;margin-left:auto;margin-right:10px}
.app-body{padding:0 24px 22px}
.app-body ol{padding-left:20px;display:flex;flex-direction:column;gap:8px}

/* пошаговые скриншоты */
.shot-steps{list-style:none;padding:0;counter-reset:s;gap:22px}
.shot-steps li{display:flex;flex-direction:column;gap:10px}
.shot-text{position:relative;padding-left:34px;min-height:26px;display:flex;align-items:center}
.shot-text::before{
  counter-increment:s;content:counter(s);
  position:absolute;left:0;top:0;width:24px;height:24px;border-radius:50%;
  background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
}
.shot-steps img{
  width:100%;max-width:280px;border-radius:14px;border:1px solid var(--line);
  align-self:center;
}
@media (max-width:520px){
  .app-plat{display:none}
}

/* --- видео-инструкция --- */
.help-video video{
  width:100%;max-width:320px;border-radius:14px;border:1px solid var(--line);
  display:block;margin-top:8px;background:#000;
}
.help-video video.video-wide{max-width:560px;}
/* широкие (десктопные) скриншоты */
.shot-steps.wide img{max-width:100%;}