:root {
  --bg: #070b14;
  --bg-2: #0d1320;
  --card: #111827;
  --card-2: #151e31;
  --text: #f7f8fc;
  --muted: #a9b2c5;
  --line: rgba(255,255,255,.1);
  --purple: #7a5cff;
  --cyan: #20d4ff;
  --green: #23e36f;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 70% 5%, rgba(122,92,255,.15), transparent 30%),
    radial-gradient(circle at 20% 20%, rgba(32,212,255,.08), transparent 25%),
    var(--bg);
  line-height: 1.55;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 36px)); margin-inline: auto; }
.narrow { width: min(820px, calc(100% - 36px)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(7,11,20,.86);
  backdrop-filter: blur(16px);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
}
.header-cta {
  text-decoration: none;
  font-weight: 700;
  color: #c9bcff;
}

.hero { padding: 86px 0 70px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 58px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 16px;
  color: #53e7ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .17em;
}
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(44px, 6vw, 76px); line-height: .98; letter-spacing: -.045em; margin-bottom: 24px; }
h2 { font-size: clamp(32px, 4vw, 50px); line-height: 1.05; letter-spacing: -.035em; margin-bottom: 16px; }
h3 { font-size: 21px; margin-bottom: 9px; }
.gradient-text {
  background: linear-gradient(90deg, #9f82ff, #4ed9ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { max-width: 680px; font-size: 19px; color: #c8d0df; margin-bottom: 28px; }
.hero-actions, .offer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 850;
  transition: transform .2s ease, filter .2s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.06); }
.btn-primary { background: linear-gradient(135deg, #6f50ff, #1cb9ff); color: white; box-shadow: 0 16px 38px rgba(71,88,255,.2); }
.btn-secondary { background: rgba(255,255,255,.06); border: 1px solid var(--line); color: #dfe4ef; }
.btn-full { width: 100%; }
.text-link { color: #a894ff; font-weight: 700; }

.trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: var(--muted); font-size: 14px; }
.trust-row span { display: flex; gap: 6px; }
.trust-row strong { color: white; }

.hero-card { position: relative; }
.hero-card::before {
  content: "";
  position: absolute;
  inset: 12% 8%;
  background: linear-gradient(135deg, rgba(122,92,255,.4), rgba(32,212,255,.2));
  filter: blur(50px);
}
.screen-card {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(122,92,255,.28);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(19,27,48,.96), rgba(11,17,31,.96));
  box-shadow: 0 28px 80px rgba(0,0,0,.35);
}
.screen-top { display: flex; gap: 7px; margin-bottom: 26px; }
.screen-top span { width: 8px; height: 8px; border-radius: 99px; background: #4f5b73; }
.screen-top span:first-child { background: #ff6b74; }
.screen-top span:nth-child(2) { background: #ffd55c; }
.screen-top span:nth-child(3) { background: #55e690; }
.mini-label { color: #8b97ad; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.topic-list { display: grid; gap: 10px; }
.topic-list div { display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 10px; padding: 14px; border-radius: 12px; background: rgba(255,255,255,.045); }
.topic-list b { color: #65dbff; font-size: 13px; }

.section { padding: 76px 0; }
.section-dark { background: rgba(255,255,255,.018); border-block: 1px solid var(--line); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading > p:last-child { color: var(--muted); font-size: 17px; }
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card {
  padding: 24px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--line);
}
.info-card > span { font-size: 30px; }
.info-card p { color: var(--muted); margin-bottom: 0; }

.split-grid { display: grid; grid-template-columns: 1fr .86fr; gap: 42px; align-items: center; }
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 13px; }
.check-list li { position: relative; padding-left: 30px; color: #cbd3e1; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 900; }
.decision-card {
  padding: 28px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(24,33,56,.98), rgba(15,22,38,.98));
  border: 1px solid rgba(83,231,255,.16);
}
.decision-card p { color: #c7cfdd; }
.decision-card small { display: block; margin-top: 12px; color: #7f899d; }

.offer-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 34px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(122,92,255,.13), rgba(32,212,255,.07));
  border: 1px solid rgba(122,92,255,.24);
}
.offer-card p { color: #c5cedd; margin-bottom: 0; }

.faq-section details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { cursor: pointer; font-weight: 800; }
.faq-section details p { margin: 12px 0 0; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); padding: 30px 0 86px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; color: var(--muted); }
.footer-inner p { margin-bottom: 0; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: #b8c1d3; }

.mobile-sticky { display: none; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }

@media (max-width: 900px) {
  .hero-grid, .split-grid, .offer-card { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding-top: 60px; }
  .offer-actions { align-items: stretch; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 24px, var(--max)); }
  .header-cta { display: none; }
  .hero { padding: 50px 0 54px; }
  h1 { font-size: 44px; }
  .lead { font-size: 17px; }
  .cards-grid { grid-template-columns: 1fr; }
  .trust-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .hero-actions, .offer-actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .footer-inner { flex-direction: column; }
  .mobile-sticky {
    display: flex;
    position: fixed;
    z-index: 50;
    left: 12px;
    right: 12px;
    bottom: 12px;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 900;
    color: white;
    background: linear-gradient(135deg, #6f50ff, #1cb9ff);
    box-shadow: 0 18px 45px rgba(0,0,0,.38);
  }
}