:root {
  color-scheme: dark;
  --bg: #071016;
  --surface: #0c171e;
  --surface-2: #101d25;
  --text: #e8f2f6;
  --muted: #99abb4;
  --line: #21333d;
  --accent: #55d7f1;
  --accent-soft: rgba(85, 215, 241, 0.1);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(85, 215, 241, 0.08), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: "Plus Jakarta Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.72;
}
a { color: inherit; }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(33, 51, 61, 0.76);
  background: rgba(7, 16, 22, 0.9);
  backdrop-filter: blur(16px);
}
.nav {
  width: min(var(--max), calc(100% - 32px));
  min-height: 62px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: auto;
}
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.brand strong { display: block; font-size: 14px; font-weight: 650; letter-spacing: -0.01em; }
.brand small { display: block; color: var(--muted); font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { text-decoration: none; color: #b8c7ce; font-size: 13px; }
.nav-links a:hover { color: var(--text); }
.button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}
.button.primary { border-color: rgba(85, 215, 241, 0.45); background: var(--accent); color: #041015; }
.button:hover { transform: translateY(-1px); }

.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.hero { padding: 72px 0 54px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(310px, 0.75fr); gap: 42px; align-items: center; }
.hero-copy { min-width: 0; }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 650; letter-spacing: 0.16em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.025em; }
h1 { max-width: 780px; margin-top: 13px; font-size: clamp(36px, 5vw, 58px); line-height: 1.08; }
h2 { font-size: clamp(24px, 3vw, 36px); line-height: 1.2; }
h3 { font-size: 17px; line-height: 1.35; }
.lead { max-width: 720px; margin: 18px 0 0; color: #b4c5cc; font-size: clamp(16px, 1.8vw, 18px); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.trust-line { margin-top: 16px; color: var(--muted); font-size: 12px; }

.fast-card {
  padding: 24px;
  border: 1px solid rgba(85, 215, 241, 0.26);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(85, 215, 241, 0.075), rgba(12, 23, 30, 0.86)),
    var(--surface);
  box-shadow: 0 24px 70px -42px rgba(85, 215, 241, 0.6);
}
.fast-card h2 { margin-top: 7px; font-size: 25px; }
.fast-steps { display: grid; gap: 13px; margin: 20px 0; padding: 0; list-style: none; }
.fast-steps li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 11px; align-items: start; }
.fast-steps li > span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(85, 215, 241, 0.42);
  border-radius: 50%;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
}
.fast-steps strong { display: block; font-size: 13px; line-height: 1.4; }
.fast-steps small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.fast-button { width: 100%; }
.fast-note { margin: 11px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; text-align: center; }

.result-strip { border-top: 1px solid rgba(33, 51, 61, 0.72); border-bottom: 1px solid rgba(33, 51, 61, 0.72); background: rgba(12, 23, 30, 0.42); }
.result-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.result-grid div { padding: 18px 22px; border-right: 1px solid rgba(33, 51, 61, 0.62); }
.result-grid div:last-child { border-right: 0; }
.result-grid strong { display: block; font-size: 13px; }
.result-grid span { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }

.section { padding: 54px 0; border-top: 1px solid rgba(33, 51, 61, 0.72); }
.section-head { max-width: 730px; margin-bottom: 26px; }
.section-head p { margin: 12px 0 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  padding: 19px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(12, 23, 30, 0.72);
}
.card p { margin: 8px 0 0; color: var(--muted); }
.card .label { display: block; margin-bottom: 8px; color: var(--accent); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; }

.comparison-grid { align-items: start; }
.comparison { display: grid; gap: 10px; }
.comparison article { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 12px; padding: 15px 0; border-bottom: 1px solid rgba(33, 51, 61, 0.65); }
.comparison article > span { color: var(--accent); font-size: 10px; letter-spacing: 0.08em; }
.comparison strong { display: block; font-size: 14px; }
.comparison p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 36px; padding: 0; margin: 0; list-style: none; }
.feature-list li { padding: 14px 0; border-bottom: 1px solid rgba(33, 51, 61, 0.65); }
.feature-list strong { display: block; font-size: 14px; font-weight: 620; }
.feature-list span { color: var(--muted); font-size: 13px; }

.process { counter-reset: step; display: grid; gap: 12px; }
.process article { position: relative; padding: 17px 18px 17px 54px; border-left: 1px solid var(--line); }
.process article::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 8px;
  top: 15px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(85, 215, 241, 0.42);
  border-radius: 50%;
  color: var(--accent);
  font-size: 11px;
}
.process p { margin: 5px 0 0; color: var(--muted); }

.quick-start {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  margin: 4px 0 38px;
  padding: 18px 20px;
  border: 1px solid rgba(85, 215, 241, 0.28);
  border-radius: 14px;
  background: var(--accent-soft);
}
.quick-start h2 { margin-top: 5px; font-size: 22px; }
.quick-start p { margin: 6px 0 0; color: #b8cbd2; font-size: 13px; }
.quick-start .button { white-space: nowrap; }

.note { padding: 18px 20px; border-left: 3px solid var(--accent); background: var(--accent-soft); color: #c8d9df; }
.prose { max-width: 820px; }
.prose h1 { max-width: 820px; font-size: clamp(34px, 4.6vw, 50px); }
.prose h2 { margin-top: 40px; font-size: 26px; }
.prose h3 { margin-top: 27px; }
.prose .quick-start h2 { margin-top: 5px; font-size: 22px; }
.prose .quick-start p { margin-top: 6px; color: #b8cbd2; }
.prose p, .prose li { color: #b1c1c8; }
.prose ul { padding-left: 20px; }
.prose a { color: var(--accent); }
.prose .button { color: inherit; }
.prose .button.primary { color: #041015; }
.meta { margin: 14px 0 32px; color: var(--muted); font-size: 12px; }
.breadcrumbs { padding-top: 28px; color: var(--muted); font-size: 12px; }
.breadcrumbs a { text-decoration: none; }

.faq { display: grid; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 12px; background: rgba(12, 23, 30, 0.6); }
summary { cursor: pointer; padding: 16px 18px; font-weight: 600; }
details p { margin: 0; padding: 0 18px 18px; color: var(--muted); }

.site-footer { margin-top: 54px; border-top: 1px solid var(--line); }
.footer-grid { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; padding: 30px 0; display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; }
.footer-grid p { margin: 0 auto 0 0; color: var(--muted); font-size: 12px; }
.footer-grid a { color: var(--muted); text-decoration: none; font-size: 12px; }
.footer-grid a:hover { color: var(--text); }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .fast-card { max-width: 620px; }
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .result-grid div:nth-child(2) { border-right: 0; }
  .result-grid div:nth-child(-n + 2) { border-bottom: 1px solid rgba(33, 51, 61, 0.62); }
}

@media (max-width: 820px) {
  .nav-links { display: none; }
  .hero { padding: 56px 0 42px; }
  .grid, .grid.two, .feature-list { grid-template-columns: 1fr; }
  .quick-start { grid-template-columns: 1fr; }
  .quick-start .button { justify-self: start; }
}

@media (max-width: 520px) {
  body { font-size: 14px; }
  .wrap, .nav, .footer-grid { width: min(100% - 24px, var(--max)); }
  .nav { gap: 10px; }
  .brand small { display: none; }
  .header-cta { width: auto; min-height: 36px; padding: 0 12px; }
  h1 { font-size: 36px; }
  .button { width: 100%; }
  .actions { display: grid; }
  .fast-card { padding: 20px; }
  .result-grid { grid-template-columns: 1fr; }
  .result-grid div { border-right: 0; border-bottom: 1px solid rgba(33, 51, 61, 0.62); }
  .result-grid div:last-child { border-bottom: 0; }
  .quick-start .button { width: 100%; }
}