:root {
  color-scheme: dark;
  --bg: #050611;
  --bg-soft: #090a1a;
  --surface: rgba(18, 19, 44, 0.76);
  --surface-strong: #11132d;
  --line: rgba(174, 177, 255, 0.16);
  --line-bright: rgba(171, 105, 255, 0.42);
  --text: #f8f7ff;
  --muted: #a5a4bd;
  --muted-2: #777894;
  --blue: #6f86ff;
  --violet: #9650ff;
  --pink: #e153e8;
  --cyan: #65dfff;
  --green: #53e7a3;
  --gold: #ffbf6b;
  --danger: #ff7d8d;
  --radius: 28px;
  --shadow: 0 32px 100px rgba(1, 2, 14, 0.45);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 6%, rgba(104, 86, 255, 0.19), transparent 26rem),
    radial-gradient(circle at 90% 22%, rgba(46, 186, 255, 0.12), transparent 24rem),
    linear-gradient(180deg, #050611 0%, #060715 48%, #050611 100%);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: 0.22;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 12px;
  background: #fff;
  color: #050611;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(820px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(5, 6, 17, 0.73);
  backdrop-filter: blur(24px) saturate(1.2);
}

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 900; letter-spacing: -.02em; }
.brand img { width: 42px; height: 42px; filter: drop-shadow(0 0 18px rgba(143, 90, 255, .45)); }
.brand span { font-size: 19px; }
.brand em { color: #b173ff; font-style: normal; }

.nav-links { display: flex; align-items: center; gap: 28px; color: #bebdd1; font-size: 14px; font-weight: 700; }
.nav-links a { transition: color .2s ease; }
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; }
.nav-cta { padding: 11px 17px; border: 1px solid rgba(151, 112, 255, .42); border-radius: 14px; background: rgba(115, 80, 255, .13); color: #fff !important; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  cursor: pointer;
}
.menu-button span, .menu-button::before, .menu-button::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 99px;
  content: "";
  background: currentColor;
}

.hero {
  position: relative;
  padding: 94px 0 76px;
}
.hero::after {
  position: absolute;
  top: 0;
  right: -14vw;
  z-index: -1;
  width: 62vw;
  height: 62vw;
  max-width: 900px;
  max-height: 900px;
  content: "";
  border: 1px solid rgba(124, 98, 255, .16);
  border-radius: 50%;
  box-shadow: 0 0 100px rgba(76, 43, 190, .16), inset 0 0 100px rgba(46, 195, 255, .05);
}

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr); align-items: center; gap: 66px; }
.eyebrow { margin: 0 0 15px; color: #b788ff; font-size: 12px; font-weight: 900; letter-spacing: .24em; text-transform: uppercase; }
.hero h1, .section-title, .document-hero h1 {
  margin: 0;
  font-weight: 950;
  letter-spacing: -.055em;
  line-height: .97;
}
.hero h1 { max-width: 720px; font-size: clamp(52px, 7.5vw, 94px); }
.gradient-text { color: transparent; background: linear-gradient(120deg, #fff 8%, #9eb8ff 50%, #d169ff 96%); background-clip: text; -webkit-background-clip: text; }
.hero-copy { max-width: 660px; margin: 25px 0 0; color: #b8b7c9; font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-weight: 850;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(110deg, #6684ff, #a83df0); box-shadow: 0 16px 42px rgba(116, 70, 255, .31); }
.button-primary:hover { box-shadow: 0 20px 48px rgba(116, 70, 255, .43); }
.button-secondary { border-color: rgba(255,255,255,.13); background: rgba(255,255,255,.045); }
.button-small { min-height: 44px; padding: 10px 16px; border-radius: 14px; }

.trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 35px; color: var(--muted); font-size: 13px; font-weight: 700; }
.trust-row span { display: flex; align-items: center; gap: 7px; }
.trust-row i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px rgba(83,231,163,.7); }

.phone-stage { position: relative; justify-self: center; width: min(390px, 100%); }
.phone-stage::before {
  position: absolute;
  inset: 12% -17%;
  z-index: -1;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109, 77, 255, .32), transparent 68%);
  filter: blur(25px);
}
.phone-frame { position: relative; overflow: hidden; height: 620px; border: 1px solid rgba(188, 172, 255, .24); border-radius: 44px; background: #070815; box-shadow: 0 48px 120px rgba(0,0,0,.64), 0 0 0 8px rgba(255,255,255,.025); }
.phone-frame::before { position: absolute; top: 14px; left: 50%; z-index: 2; width: 86px; height: 20px; content: ""; border-radius: 20px; background: #03040b; transform: translateX(-50%); }
.phone-frame img { width: 100%; height: auto; }
.floating-badge { position: absolute; right: -22px; bottom: 68px; padding: 13px 16px; border: 1px solid var(--line-bright); border-radius: 17px; background: rgba(17, 18, 43, .92); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.floating-badge strong { display: block; font-size: 14px; }
.floating-badge span { color: var(--green); font-size: 12px; font-weight: 800; }

.section { padding: 104px 0; }
.section-compact { padding: 72px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.section-title { max-width: 760px; font-size: clamp(42px, 5.4vw, 68px); }
.section-lead { max-width: 600px; margin: 17px 0 0; color: var(--muted); font-size: 18px; }

.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.capability-card, .feature-card, .metric-card, .price-card, .faq-item, .legal-card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(22, 24, 55, .83), rgba(10, 11, 28, .83));
  box-shadow: inset 0 1px rgba(255,255,255,.025);
}
.capability-card { position: relative; min-height: 260px; overflow: hidden; padding: 28px; border-radius: var(--radius); }
.capability-card::after { position: absolute; right: -50px; bottom: -60px; width: 150px; height: 150px; content: ""; border-radius: 50%; background: var(--glow, rgba(111,134,255,.28)); filter: blur(22px); }
.capability-card:nth-child(2) { --glow: rgba(225,83,232,.26); }
.capability-card:nth-child(3) { --glow: rgba(101,223,255,.22); }
.capability-card:nth-child(4) { --glow: rgba(255,191,107,.2); }
.capability-icon { width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.11); border-radius: 17px; background: rgba(255,255,255,.06); font-size: 23px; }
.capability-card h3 { margin: 48px 0 8px; font-size: 24px; }
.capability-card p { margin: 0; color: var(--muted); }

.experience { position: relative; overflow: hidden; border-block: 1px solid rgba(255,255,255,.06); background: rgba(10,11,28,.45); }
.experience-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: center; }
.checkout-preview { position: relative; height: 600px; overflow: hidden; border: 1px solid var(--line); border-radius: 40px; background: #070815; box-shadow: var(--shadow); }
.checkout-preview img { width: 100%; height: auto; }
.feature-list { display: grid; gap: 18px; margin-top: 38px; }
.feature-card { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 20px; border-radius: 20px; }
.feature-number { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: linear-gradient(135deg, rgba(111,134,255,.25), rgba(168,61,240,.27)); color: #d8c7ff; font-size: 13px; font-weight: 900; }
.feature-card h3 { margin: 0 0 4px; font-size: 18px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metric-card { padding: 28px; border-radius: 24px; }
.metric-card strong { display: block; font-size: 25px; letter-spacing: -.03em; }
.metric-card p { margin: 8px 0 0; color: var(--muted); }

.pricing-note { max-width: 400px; color: var(--muted); font-size: 13px; text-align: right; }
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.price-card { position: relative; min-height: 220px; padding: 24px; border-radius: 24px; transition: transform .2s ease, border-color .2s ease; }
.price-card:hover { transform: translateY(-4px); border-color: rgba(164, 108, 255, .42); }
.price-card.popular { border-color: rgba(255, 154, 128, .48); background: linear-gradient(145deg, rgba(49, 30, 65, .92), rgba(15, 14, 35, .9)); }
.price-card.best { grid-column: span 2; border-color: rgba(153,92,255,.45); background: radial-gradient(circle at 90% 0, rgba(148,73,255,.22), transparent 45%), var(--surface-strong); }
.price-label { display: flex; justify-content: space-between; gap: 10px; color: #aeadc5; font-size: 12px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.tag { padding: 5px 8px; border-radius: 99px; background: rgba(143,82,255,.15); color: #d1a9ff; font-size: 9px; letter-spacing: .08em; }
.popular .tag { background: linear-gradient(90deg,#ffaf67,#ff6ea9); color: #26111d; }
.price-k { margin-top: 42px; font-size: 39px; font-weight: 950; line-height: 1; letter-spacing: -.04em; }
.price-k span { color: #b47cff; font-size: 18px; }
.price-rub { margin-top: 9px; color: #aaa9bd; font-weight: 800; }
.price-bonus { margin-top: 13px; color: var(--green); font-size: 12px; font-weight: 800; }

.payment-banner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 28px; margin-top: 24px; padding: 30px; border: 1px solid rgba(119, 139, 255, .28); border-radius: 26px; background: radial-gradient(circle at 10% 10%, rgba(102,132,255,.15), transparent 42%), rgba(12,13,34,.86); }
.payment-banner h3 { margin: 0; font-size: 22px; }
.payment-banner p { margin: 8px 0 0; color: var(--muted); }
.status-chip { white-space: nowrap; padding: 10px 13px; border-radius: 99px; background: rgba(255,191,107,.12); color: var(--gold); font-size: 12px; font-weight: 900; }

.security-shell { position: relative; overflow: hidden; padding: 44px; border: 1px solid rgba(117,139,255,.24); border-radius: 38px; background: linear-gradient(145deg, rgba(22, 26, 66, .82), rgba(12, 9, 31, .88)); }
.security-shell::after { position: absolute; right: -12%; bottom: -70%; width: 500px; height: 500px; content: ""; border: 1px solid rgba(106,206,255,.14); border-radius: 50%; box-shadow: 0 0 120px rgba(84,102,255,.16); }
.security-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: start; }
.security-points { display: grid; gap: 12px; }
.security-point { display: grid; grid-template-columns: 28px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.07); }
.security-point:last-child { border-bottom: 0; }
.security-point b { color: var(--green); }
.security-point strong { display: block; }
.security-point span { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }

.faq-list { display: grid; gap: 12px; }
.faq-item { border-radius: 20px; }
.faq-item summary { padding: 22px 56px 22px 22px; cursor: pointer; list-style: none; font-weight: 850; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { position: absolute; top: 19px; right: 20px; width: 30px; height: 30px; display: grid; place-items: center; content: "+"; border-radius: 50%; background: rgba(255,255,255,.06); color: #c6a4ff; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 0; padding: 0 22px 22px; color: var(--muted); }

.cta-card { position: relative; overflow: hidden; padding: 70px 44px; border: 1px solid rgba(170,112,255,.38); border-radius: 40px; background: radial-gradient(circle at 15% 20%, rgba(100,128,255,.28), transparent 34%), radial-gradient(circle at 85% 80%, rgba(185,60,238,.25), transparent 36%), #11132d; text-align: center; box-shadow: var(--shadow); }
.cta-card h2 { max-width: 780px; margin: 0 auto; font-size: clamp(42px, 6vw, 72px); line-height: 1; letter-spacing: -.055em; }
.cta-card p { max-width: 640px; margin: 20px auto 28px; color: #c0bfd2; font-size: 18px; }

.site-footer { padding: 50px 0 28px; border-top: 1px solid rgba(255,255,255,.07); background: rgba(3,4,12,.64); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 45px; }
.footer-brand p { max-width: 440px; margin: 17px 0 0; color: var(--muted); }
.footer-col h3 { margin: 0 0 14px; color: #cccbe0; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; margin: 8px 0; color: var(--muted); font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 42px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.06); color: var(--muted-2); font-size: 12px; }

.document-main { min-height: 70vh; padding: 76px 0 110px; }
.document-hero { margin-bottom: 38px; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.document-hero h1 { max-width: 790px; font-size: clamp(44px, 6vw, 74px); }
.document-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 22px; color: var(--muted); font-size: 13px; }
.document-alert { margin: 30px 0; padding: 20px; border: 1px solid rgba(255,191,107,.26); border-radius: 18px; background: rgba(255,191,107,.07); color: #e6cfad; }
.document-content { color: #c6c5d7; }
.document-content h2 { margin: 46px 0 14px; color: #fff; font-size: 27px; line-height: 1.25; letter-spacing: -.025em; }
.document-content h3 { margin: 28px 0 10px; color: #e6e5f4; font-size: 18px; }
.document-content p { margin: 12px 0; }
.document-content ol, .document-content ul { padding-left: 24px; }
.document-content li { margin: 8px 0; }
.document-content a { color: #a9b8ff; text-decoration: underline; text-underline-offset: 3px; }
.legal-card { margin: 28px 0; padding: 24px; border-radius: 22px; }
.legal-card h3 { margin-top: 0; }
.details-list { display: grid; grid-template-columns: 190px 1fr; gap: 10px 20px; margin: 0; }
.details-list dt { color: var(--muted); }
.details-list dd { margin: 0; color: #fff; font-weight: 700; }
.placeholder { color: var(--gold) !important; font-weight: 800; }

.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 30px 0 46px; }
.support-card { min-height: 190px; padding: 27px; border: 1px solid var(--line); border-radius: 25px; background: var(--surface); }
.support-card .support-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; background: linear-gradient(135deg, rgba(111,134,255,.25),rgba(168,61,240,.28)); font-size: 22px; }
.support-card h2 { margin: 25px 0 7px; font-size: 22px; }
.support-card p { margin: 0 0 16px; color: var(--muted); }
.support-card a { color: #afbaff; font-weight: 800; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .hero-grid, .experience-grid, .security-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 740px; }
  .phone-stage { width: min(430px, 86vw); margin-top: 10px; }
  .capability-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
  .checkout-preview { order: 2; width: min(560px, 100%); margin-inline: auto; }
  .security-shell { padding: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 760px) {
  .container, .narrow { width: min(100% - 28px, 1180px); }
  .nav-shell { min-height: 68px; }
  .brand img { width: 38px; height: 38px; }
  .menu-button { display: block; }
  .nav-links { position: fixed; top: 68px; left: 14px; right: 14px; display: none; align-items: stretch; flex-direction: column; gap: 4px; padding: 14px; border: 1px solid var(--line); border-radius: 20px; background: rgba(9,10,26,.97); box-shadow: var(--shadow); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px; border-radius: 12px; }
  .hero { padding: 68px 0 56px; }
  .hero h1 { font-size: clamp(48px, 15vw, 68px); }
  .hero-grid { gap: 52px; }
  .section { padding: 78px 0; }
  .section-compact { padding: 56px 0; }
  .section-heading { align-items: start; flex-direction: column; margin-bottom: 30px; }
  .section-title { font-size: clamp(40px, 12vw, 58px); }
  .pricing-note { text-align: left; }
  .capability-grid, .metric-grid, .support-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 220px; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card.best { grid-column: span 2; }
  .phone-frame { height: 580px; }
  .floating-badge { right: -5px; bottom: 34px; }
  .checkout-preview { height: 540px; }
  .payment-banner { grid-template-columns: 1fr; }
  .security-shell, .cta-card { padding: 30px 22px; border-radius: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-brand { grid-column: span 2; }
  .footer-bottom { flex-direction: column; }
  .document-main { padding-top: 58px; }
  .details-list { grid-template-columns: 1fr; gap: 2px; }
  .details-list dd { margin-bottom: 11px; }
}

@media (max-width: 520px) {
  body { font-size: 15px; }
  .hero-actions .button { width: 100%; }
  .trust-row { gap: 11px; flex-direction: column; }
  .phone-stage { width: 100%; }
  .phone-frame { height: 540px; border-radius: 34px; }
  .capability-grid, .price-grid { grid-template-columns: 1fr; }
  .price-card.best { grid-column: auto; }
  .price-card { min-height: 190px; }
  .price-k { margin-top: 32px; }
  .checkout-preview { height: 490px; border-radius: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .support-grid { grid-template-columns: 1fr; }
}