:root {
  --bg: #07110f;
  --surface: #0d1c18;
  --surface-2: #122820;
  --line: rgba(173, 255, 210, 0.14);
  --text: #f4fff8;
  --muted: #a8bdb1;
  --brand: #68f59b;
  --brand-2: #ffd166;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 2%, rgba(104, 245, 155, 0.13), transparent 28rem),
    linear-gradient(180deg, #07110f 0%, #091612 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: var(--brand); }
img { max-width: 100%; display: block; }
.container { width: min(1140px, calc(100% - 40px)); margin-inline: auto; }
.breadcrumbs { padding-top: 22px; }
.breadcrumbs-list { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: .84rem; }
.breadcrumbs-list li + li::before { content: "/"; margin-right: 8px; color: rgba(168,189,177,.5); }
.breadcrumbs-list a { color: var(--muted); text-decoration: none; }
.breadcrumbs-list a:hover { color: var(--brand); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 15, 0.9);
  backdrop-filter: blur(16px);
}
.nav { position: relative; min-height: 74px; display: flex; align-items: center; gap: 28px; }
.brand { flex: 0 0 auto; display: block; width: 104px; text-decoration: none; }
.brand img { width: 100%; height: 40px; object-fit: contain; }
.main-menu { display: flex; align-items: center; justify-content: center; gap: 26px; margin-inline: auto; }
.main-menu a { color: var(--muted); text-decoration: none; font-weight: 750; font-size: .92rem; }
.main-menu a:hover, .main-menu a[aria-current="page"] { color: var(--text); }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  background: rgba(255,255,255,.035);
  cursor: pointer;
}
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 4px 0; border-radius: 2px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.035);
  font-weight: 850;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); border-color: rgba(104,245,155,.5); }
.button-primary { color: #06130b; border-color: var(--brand); background: var(--brand); box-shadow: 0 10px 30px rgba(104,245,155,.18); }
.button-primary:hover { background: #8affb1; }
.button-small { min-height: 40px; padding-inline: 18px; }

.hero { padding: 78px 0 54px; }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 44px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--brand); text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; font-weight: 900; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.045em; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.65rem, 6.2vw, 5.3rem); }
h2 { margin: 0 0 18px; font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { margin: 0 0 10px; font-size: 1.25rem; }
.lead { max-width: 720px; color: var(--muted); font-size: 1.12rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 30px; color: var(--muted); font-size: .9rem; font-weight: 700; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--brand); }

.device {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(145deg, #173428, #0a1713);
  box-shadow: var(--shadow);
}
.device::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  top: -80px;
  right: -60px;
  border-radius: 50%;
  background: rgba(104,245,155,.22);
  filter: blur(10px);
}
.device-top { position: relative; display: flex; justify-content: space-between; color: var(--muted); font-size: .82rem; }
.device-balance { position: relative; margin: 54px 0 26px; }
.device-balance small { color: var(--muted); }
.device-balance strong { display: block; font-size: 2.8rem; letter-spacing: -.06em; }
.feature-list { position: relative; display: grid; gap: 12px; }
.feature-item { display: flex; align-items: center; justify-content: space-between; padding: 16px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.04); }
.feature-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: #06130b; background: var(--brand); font-weight: 900; }

.section { padding: 64px 0; }
.section-muted { border-block: 1px solid var(--line); background: rgba(255,255,255,.018); }
.section-heading { max-width: 720px; margin-bottom: 30px; }
.section-heading p { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.018)); }
.card p { margin-bottom: 20px; color: var(--muted); }
.card-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 30px; border-radius: 13px; color: #06130b; background: var(--brand-2); font-weight: 900; }

.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 50px; align-items: start; }
.toc { position: sticky; top: 100px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.toc strong { display: block; margin-bottom: 12px; }
.toc a { display: block; padding: 7px 0; color: var(--muted); text-decoration: none; }
.content-block { padding-bottom: 38px; }
.content-block p, .content-block li { color: var(--muted); }
.steps { margin: 22px 0 0; padding: 0; list-style: none; counter-reset: steps; }
.steps li { position: relative; min-height: 54px; padding: 0 0 22px 56px; counter-increment: steps; }
.steps li::before { content: counter(steps); position: absolute; left: 0; top: -5px; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #06130b; background: var(--brand); font-weight: 900; }

.info-table { width: 100%; overflow: hidden; border-collapse: collapse; border: 1px solid var(--line); border-radius: var(--radius); }
.info-table th, .info-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; }
.info-table th { color: var(--brand); background: var(--surface-2); }
.info-table td { color: var(--muted); }
.info-table tr:last-child td { border-bottom: 0; }

.faq { display: grid; gap: 12px; }
.faq details { padding: 18px 20px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); }
.faq summary { cursor: pointer; font-weight: 850; }
.faq p { color: var(--muted); }
.notice { padding: 18px 20px; border: 1px solid rgba(255,209,102,.3); border-radius: 16px; color: #e9dbb8; background: rgba(255,209,102,.06); }

.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { display: flex; flex-direction: column; min-height: 245px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.018)); }
.review-stars { color: var(--brand-2); letter-spacing: .16em; font-size: .95rem; }
.review-card h3 { margin-top: 22px; }
.review-card p { flex: 1; margin: 0 0 24px; color: var(--muted); }
.review-meta { display: flex; align-items: center; gap: 11px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; font-weight: 750; }
.review-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: #06130b; background: var(--brand); font-weight: 900; }
.reviews-note { margin-top: 18px; color: var(--muted); font-size: .82rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-link { display: block; padding: 20px; border: 1px solid var(--line); border-radius: 16px; color: var(--text); background: rgba(255,255,255,.025); text-decoration: none; }
.related-link strong { display: block; margin-bottom: 6px; }
.related-link span { color: var(--muted); font-size: .9rem; }
.related-link:hover { border-color: rgba(104,245,155,.5); background: rgba(104,245,155,.055); }

.cta { padding: 34px; border: 1px solid rgba(104,245,155,.3); border-radius: 28px; background: linear-gradient(120deg, rgba(104,245,155,.14), rgba(255,209,102,.07)); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.cta h2 { margin-bottom: 8px; }
.cta p { margin: 0; color: var(--muted); }

.site-footer { padding: 36px 0; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; }
.footer-copy { max-width: 680px; color: var(--muted); font-size: .86rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: var(--muted); text-decoration: none; }

@media (max-width: 840px) {
  .nav { gap: 10px; }
  .brand { width: 82px; }
  .brand img { height: 36px; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-menu {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-top: 0;
    border-radius: 0 0 18px 18px;
    background: rgba(7, 17, 15, .98);
    box-shadow: 0 20px 45px rgba(0,0,0,.35);
  }
  .main-menu.is-open { display: flex; }
  .main-menu a { padding: 12px 14px; border-radius: 10px; }
  .main-menu a:hover { background: rgba(255,255,255,.05); }
  .header-actions { gap: 7px; }
  .header-actions .button { min-height: 38px; padding-inline: 13px; font-size: .8rem; }
  .hero { padding-top: 54px; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .device { min-height: 390px; }
  .cards, .reviews-grid, .related-grid { grid-template-columns: 1fr; }
  .toc { position: static; }
  .cta-inner, .footer-grid { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 28px, 1140px); }
  .nav { min-height: 62px; gap: 7px; }
  .brand { width: 84px; }
  .brand img { height: 34px; }
  .menu-toggle { width: 36px; height: 36px; padding: 8px; }
  .header-actions { gap: 5px; }
  .header-actions .button { min-height: 34px; padding-inline: 9px; font-size: .72rem; }
  h1 { font-size: 2.55rem; }
  .hero { padding-top: 42px; }
  .hero .actions { align-items: stretch; flex-direction: column; }
  .hero .actions .button { width: 100%; }
  .device { min-height: 360px; padding: 22px; }
  .device-balance { margin-top: 42px; }
  .section { padding: 48px 0; }
  .info-table { display: table; table-layout: fixed; white-space: normal; font-size: .88rem; }
  .info-table th, .info-table td { padding: 12px 10px; overflow-wrap: anywhere; }
  .cta { padding: 24px; }
}