:root{
  /* светлая витрина: холодный нейтрал со сдвигом в синий акцента Купола */
  --ground:#f5f8fd;
  --surface:#ffffff;
  --surface-2:#eef3fb;
  --border:#dde5f2;
  --border-soft:#e8eef8;
  --text:#152139;
  --text-muted:#54637f;
  --text-dim:#5c6a83;
  --accent:#2f57d4;
  --accent-solid:#2f57d4;
  --accent-hover:#24459f;
  --accent-soft:rgba(47,87,212,0.07);
  --accent-border:rgba(47,87,212,0.22);
  --green:#0f7a52;
  --green-soft:rgba(15,122,82,0.08);
  --green-border:rgba(15,122,82,0.25);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1080px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ground);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  overflow-x:hidden;
}
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 15% -8%,rgba(47,87,212,0.07),transparent 65%),
    radial-gradient(700px 420px at 88% 4%,rgba(15,122,82,0.05),transparent 60%);
}
.wrap{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 20px}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}

/* header */
header{
  position:sticky;top:0;z-index:20;
  background:rgba(245,248,253,0.85);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border-soft);
}
.nav{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:650;font-size:17px;color:var(--text)}
.logo img{width:32px;height:32px;flex:none}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-links a{color:var(--text-muted);font-size:15px;white-space:nowrap}
.nav-links a:hover{color:var(--text)}
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .15s,border-color .15s,transform .1s;
}
.btn-primary{background:var(--accent-solid);color:#fff}
.btn-primary:hover{background:var(--accent);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--accent-soft);color:var(--text);border-color:var(--accent-border)}
.btn-ghost:hover{background:rgba(47,87,212,0.13);color:var(--text)}
.btn-lg{padding:14px 28px;font-size:16px}

/* hero */
.hero{padding:80px 0 120px;text-align:center;position:relative;overflow:hidden}
#dome{
  position:absolute;left:0;bottom:0;width:100%;height:100%;z-index:0;pointer-events:none;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0%,transparent 40%,#000 62%,#000 100%);
  mask-image:linear-gradient(to bottom,transparent 0%,transparent 40%,#000 62%,#000 100%);
}
.hero .wrap{position:relative;z-index:1}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--green-soft);border:1px solid var(--green-border);
  color:var(--green);font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero h1{font-size:clamp(30px,5.5vw,50px);line-height:1.15;font-weight:700;letter-spacing:-0.02em}
.hero p.lead{
  margin:20px auto 0;max-width:600px;
  font-size:clamp(16px,2.2vw,19px);color:var(--text-muted);
}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.hero-note{margin-top:16px;font-size:14px;color:var(--text-dim)}

/* sections */
section{padding:64px 0;position:relative;z-index:1}
.sec-title{font-size:clamp(24px,3.6vw,32px);font-weight:700;text-align:center;letter-spacing:-0.01em}
.sec-sub{margin:12px auto 0;max-width:560px;text-align:center;color:var(--text-muted);font-size:16px}
.grid{display:grid;gap:16px;margin-top:40px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 22px;
  box-shadow:0 1px 2px rgba(21,33,57,0.04);
}
.card h3{font-size:17px;font-weight:650;margin-bottom:8px}
.card p{color:var(--text-muted);font-size:15px}
.step-num{
  width:34px;height:34px;border-radius:10px;
  background:var(--accent-soft);border:1px solid var(--accent-border);
  color:var(--accent);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.plan{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 20px;text-align:center;position:relative;
}
.plan.best{border-color:var(--accent-border);background:linear-gradient(180deg,rgba(47,87,212,0.06),var(--surface));box-shadow:0 8px 28px rgba(21,33,57,0.07)}
.plan-tag{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  background:var(--accent-solid);color:#fff;font-size:11px;font-weight:700;
  padding:4px 12px;border-radius:999px;letter-spacing:0.03em;white-space:nowrap;
}
.plan-name{font-size:15px;color:var(--text-muted);font-weight:600}
.plan-price{font-size:32px;font-weight:700;margin:10px 0 2px;letter-spacing:-0.02em}
.plan-price span{font-size:17px;font-weight:600;color:var(--text-muted)}
.plan-per{font-size:13.5px;color:var(--text-muted);min-height:20px}
.plan .btn{margin-top:18px;width:100%}
.pay-note{margin-top:26px;text-align:center;color:var(--text-dim);font-size:14px}

/* devices */
.devs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}
.dev{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px 14px;text-align:center;
  transition:border-color .15s,background .15s;
}
.dev:hover{border-color:var(--accent-border);background:var(--surface-2)}
.dev svg{width:32px;height:32px;fill:var(--accent);margin-bottom:12px}
.dev span{display:block;font-size:15px;font-weight:600;color:var(--text)}

/* faq */
.faq{max-width:760px;margin:40px auto 0}
details{
  background:var(--surface);border:1px solid var(--border);
  box-shadow:0 1px 2px rgba(21,33,57,0.04);
  border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden;
}
summary{
  padding:18px 20px;cursor:pointer;font-weight:600;font-size:16px;
  list-style:none;display:flex;align-items:center;gap:12px;
}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';margin-left:auto;color:var(--accent);font-size:20px;font-weight:400}
details[open] summary::after{content:'−'}
details p{padding:0 20px 18px;color:var(--text-muted);font-size:15px}

/* support */
.support-box{
  max-width:640px;margin:36px auto 0;text-align:center;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px 26px;
}
.support-box .row{margin-top:14px;color:var(--text-muted);font-size:15px}

/* footer */
footer{
  border-top:1px solid var(--border-soft);
  padding:44px 0 40px;position:relative;z-index:1;
  color:var(--text-dim);font-size:14px;
}
.foot-grid{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.foot-links{display:flex;flex-direction:column;gap:9px}
.foot-links a{color:var(--text-muted)}
.req{max-width:520px}
.req p{margin-bottom:5px}
.ph{
  background:rgba(232,147,10,0.14);border:1px dashed rgba(232,147,10,0.5);
  color:#e8930a;padding:1px 7px;border-radius:5px;font-size:13px;white-space:nowrap;
}
.copyright{margin-top:32px;padding-top:22px;border-top:1px solid var(--border-soft)}

/* legal pages */
.legal{max-width:780px;margin:0 auto;padding:52px 0 72px}
.legal h1{font-size:clamp(25px,4vw,34px);font-weight:700;margin-bottom:8px}
.legal .updated{color:var(--text-dim);font-size:14px;margin-bottom:36px}
.legal h2{font-size:20px;font-weight:650;margin:36px 0 12px}
.legal p,.legal li{color:var(--text-muted);font-size:15.5px;margin-bottom:11px}
.legal ul,.legal ol{padding-left:24px;margin-bottom:14px}
.legal li{margin-bottom:7px}
.back{display:inline-flex;align-items:center;gap:7px;color:var(--text-muted);font-size:15px;margin-bottom:26px}

@media(max-width:900px){
  .g3,.g4,.plans,.devs{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .nav-links a:not(.btn){display:none}
  .hero{padding:56px 0 44px}
  section{padding:48px 0}
  .g3,.g4,.plans{grid-template-columns:1fr}
  .devs{grid-template-columns:repeat(2,1fr)}
  .foot-grid{gap:28px}
}

.delivery{
  max-width:760px;margin:28px auto 0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 26px;
  box-shadow:0 1px 2px rgba(21,33,57,0.04);
}
.delivery h3{font-size:17px;font-weight:650;margin-bottom:10px}
.delivery p{color:var(--text-muted);font-size:15px;margin-bottom:8px}
.delivery p:last-child{margin-bottom:0}

/* ── оформление заказа и «спасибо» ── */
.order{max-width:560px;margin:0 auto;padding:44px 0 72px}
.order h1{font-size:clamp(24px,4vw,32px);font-weight:700;letter-spacing:-0.01em}
.order-lead{margin:10px 0 28px;color:var(--text-muted);font-size:16px}

.plans-pick{border:none;margin:0 0 26px}
.plans-pick legend{
  font-size:13px;font-weight:600;color:var(--text-dim);
  text-transform:uppercase;letter-spacing:0.05em;margin-bottom:12px;padding:0;
}
.pick{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:10px;cursor:pointer;
  transition:border-color .15s,background .15s;
}
.pick:hover{border-color:var(--accent-border)}
.pick:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.pick input{width:18px;height:18px;accent-color:var(--accent);flex:none;margin:0}
.pick-body{flex:1;display:flex;flex-direction:column;gap:2px}
.pick-name{font-weight:600;font-size:15px}
.pick-per{font-size:13px;color:var(--text-muted)}
.pick-price{font-weight:700;font-size:17px;white-space:nowrap}
.pick-tag{
  display:inline-block;margin-left:6px;padding:2px 8px;border-radius:999px;
  background:var(--accent-solid);color:#fff;font-size:10.5px;font-weight:700;
  letter-spacing:0.03em;text-transform:uppercase;vertical-align:1px;
}

.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field input[type=email]{
  width:100%;padding:13px 15px;font-size:16px;   /* 16px — иначе iOS зумит форму */
  background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  font-family:inherit;
}
.field input[type=email]:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.hint{margin-top:7px;font-size:13px;color:var(--text-dim)}
.err{margin-top:7px;font-size:13px;color:#c0392b}
.form-err{margin-top:14px}

.agree{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--text-muted);cursor:pointer}
.agree input{width:18px;height:18px;accent-color:var(--accent);flex:none;margin:1px 0 0}
.submit{width:100%;margin-top:22px}
.submit:disabled{opacity:.6;cursor:default}
.order-note{margin-top:16px;font-size:13px;color:var(--text-dim);text-align:center}

.thanks{text-align:center}
.thanks-mark{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  background:var(--green-soft);border:1px solid var(--green-border);
  color:var(--green);font-size:24px;line-height:50px;font-weight:700;
}
.thanks-mark.pending{background:var(--accent-soft);border-color:var(--accent-border);color:var(--accent)}
.thanks-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 22px;margin:0 0 22px;text-align:left;
}
.thanks-row{display:flex;justify-content:space-between;gap:16px;padding:7px 0;font-size:15px}
.thanks-row span{color:var(--text-muted)}
.thanks-cta{display:inline-flex;min-width:260px}
.thanks-details{
  margin-top:26px;text-align:left;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-sm);
}
.thanks-details summary{padding:14px 18px;font-size:14px}
.thanks-details p{padding:0 18px 16px;font-size:14px;color:var(--text-muted)}

@media(max-width:560px){
  .order{padding:32px 0 56px}
  .thanks-cta{width:100%}
}

/* ── модальное окно покупки ── */
.modal{
  /* Универсальный сброс `*{margin:0}` в начале файла затирает браузерный
     margin:auto, которым <dialog> центрирует себя — возвращаем явно. */
  margin:auto;
  width:min(520px,calc(100vw - 32px));
  max-height:calc(100vh - 48px);
  overflow-y:auto;
  padding:30px 32px 32px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--surface);
  color:var(--text);
  box-shadow:0 24px 60px rgba(21,33,57,0.18);
}
.modal::backdrop{background:rgba(21,33,57,0.45)}
.modal h2{font-size:22px;font-weight:700;letter-spacing:-0.01em}
.modal-lead{margin:8px 0 24px;color:var(--text-muted);font-size:15px}
.modal-close-form{float:right;margin:-8px -8px 0 0}
.modal-close{
  width:34px;height:34px;border:none;border-radius:8px;cursor:pointer;
  background:transparent;color:var(--text-muted);font-size:24px;line-height:1;
}
.modal-close:hover{background:var(--surface-2);color:var(--text)}
.modal .plans-pick{margin-bottom:22px}
.modal .field{margin-bottom:18px}
.modal .order-note{margin-top:14px}

@media(max-width:560px){
  .modal{padding:24px 20px 26px;max-height:88vh;overflow-y:auto}
}

/* ── способ оплаты и заглушка на время модерации ── */
.pay-methods{border:none;margin:22px 0;padding:0}
.pay-methods legend{
  font-size:13px;font-weight:600;color:var(--text-dim);
  text-transform:uppercase;letter-spacing:0.05em;margin-bottom:12px;padding:0;
}
.pay-method{margin-bottom:0}
.pay-stub{
  margin-top:18px;padding:18px 20px;
  background:var(--accent-soft);border:1px solid var(--accent-border);
  border-radius:var(--radius-sm);
}
.pay-stub-title{font-weight:650;font-size:15px;margin-bottom:8px}
.pay-stub p{font-size:14px;color:var(--text-muted);margin-bottom:12px}
.pay-stub .btn{width:100%}