:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --panel: rgba(17, 31, 51, 0.86);
  --panel-strong: #112039;
  --text: #edf4ff;
  --muted: #9eb0c7;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #40e0b5;
  --accent-2: #59a7ff;
  --accent-deep: #102c2c;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --max: 1180px;
}

* { 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;
  background:
    radial-gradient(circle at 18% 4%, rgba(89, 167, 255, 0.17), transparent 34rem),
    radial-gradient(circle at 86% 22%, rgba(64, 224, 181, 0.12), transparent 30rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.section-shell {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 max(20px, calc((100vw - var(--max)) / 2));
  background: rgba(7, 17, 31, 0.76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--accent);
}
.brand-mark svg { width: 34px; }

.nav { display: flex; align-items: center; gap: 28px; font-size: 0.94rem; color: var(--muted); }
.nav a:hover { color: var(--text); }
.nav-cta {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text) !important;
  background: rgba(255,255,255,.03);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, .82fr);
  gap: 70px;
  align-items: center;
  min-height: 720px;
  padding-block: 80px;
}
.hero-copy { max-width: 720px; }
.eyebrow, .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(64,224,181,.09);
}
.hero h1 {
  margin: 20px 0 22px;
  font-size: clamp(3rem, 6vw, 5.9rem);
  line-height: .98;
  letter-spacing: -0.055em;
  max-width: 950px;
}
.hero-lead {
  max-width: 690px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 800;
  transition: transform .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--accent), #75f1cf); color: #051710; }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.035); }
.trust-row { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px; color: #c4d0df; font-size: .9rem; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--accent); }

.hero-card { display: flex; justify-content: center; }
.phone-frame {
  width: min(100%, 390px);
  padding: 18px 22px 24px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), transparent 28%),
    #0a1627;
  box-shadow: var(--shadow), inset 0 0 0 8px rgba(255,255,255,.015);
}
.phone-top { display: flex; gap: 5px; justify-content: center; }
.phone-top span { width: 4px; height: 4px; background: rgba(255,255,255,.25); border-radius: 50%; }
.app-title { margin-top: 24px; font-weight: 800; text-align: center; }
.shield-orb {
  width: 160px;
  height: 160px;
  margin: 38px auto 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent);
  background: radial-gradient(circle, rgba(64,224,181,.14), rgba(64,224,181,.025) 65%, transparent 66%);
  box-shadow: 0 0 90px rgba(64,224,181,.11);
}
.shield-orb svg { width: 98px; }
.connection-state { font-size: 1.35rem; font-weight: 850; text-align: center; }
.connection-detail { color: var(--muted); text-align: center; font-size: .93rem; margin-top: 4px; }
.connect-button {
  margin: 28px auto;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-weight: 900;
  letter-spacing: .08em;
  background: var(--accent);
  color: #061610;
}
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mini-stats div { padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.025); }
.mini-stats small { display: block; color: var(--muted); font-size: .72rem; }
.mini-stats strong { font-size: .9rem; }

.section { padding-block: 100px; }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading.compact { margin-bottom: 28px; }
.section h2, .section-heading h2 {
  margin: 12px 0 14px;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.section-heading p, .section-copy { color: var(--muted); font-size: 1.04rem; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card {
  padding: 26px;
  min-height: 260px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));
}
.icon { font-size: 1.5rem; }
.feature-card h3 { margin: 22px 0 10px; font-size: 1.15rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .94rem; }

.split { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; align-items: center; }
.security-points { margin-top: 34px; display: grid; gap: 18px; }
.security-points > div { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; }
.security-points span { color: var(--accent); font-weight: 900; font-size: .8rem; padding-top: 3px; }
.security-points p { margin: 0; color: var(--muted); }
.security-points strong { color: var(--text); }
.architecture-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,.026);
  box-shadow: var(--shadow);
}
.arch-step {
  display: grid;
  grid-template-columns: 42px 1fr;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.025);
}
.arch-step b { grid-row: 1 / span 2; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(89,167,255,.13); color: var(--accent-2); }
.arch-step span { font-weight: 800; }
.arch-step small { color: var(--muted); }
.arch-step.accent { border-color: rgba(64,224,181,.28); background: rgba(64,224,181,.06); }
.arch-step.accent b { color: var(--accent); background: rgba(64,224,181,.12); }
.arch-arrow { text-align: center; color: #6d8199; line-height: 28px; }

.status-panel {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid rgba(64,224,181,.18);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(64,224,181,.07), rgba(89,167,255,.045));
}
.status-panel h2 { font-size: clamp(2rem, 3.3vw, 3.5rem); }
.status-panel p { color: var(--muted); }
.milestones { display: grid; gap: 12px; align-content: center; }
.milestone { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.milestone span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); font-weight: 900; }
.milestone p { margin: 0; }
.milestone.done span { color: #061610; background: var(--accent); border-color: transparent; }
.milestone.current { color: var(--text); }
.milestone.current span { color: var(--accent); border-color: rgba(64,224,181,.35); background: rgba(64,224,181,.07); }

.faq { max-width: 900px; }
details { border-top: 1px solid var(--line); padding: 20px 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--accent); font-size: 1.2rem; }
details[open] summary::after { content: "−"; }
details p { margin-bottom: 0; color: var(--muted); }

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  padding-block: 38px 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer-brand { display: flex; flex-direction: column; }
.footer-brand strong { color: var(--text); }
.footer-links { display: flex; gap: 20px; font-size: .9rem; flex-wrap: wrap; }
.footer-links a:hover { color: var(--text); }
.copyright { grid-column: 1 / -1; margin: 0; font-size: .8rem; }

.legal-page {
  width: min(calc(100% - 32px), 900px);
  margin: 0 auto;
  padding: 64px 0 80px;
}
.legal-card {
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));
  box-shadow: var(--shadow);
}
.legal-card h1 {
  margin: 12px 0 10px;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.legal-card h2 { margin-top: 34px; font-size: 1.3rem; }
.legal-card p, .legal-card li { color: var(--muted); }
.legal-card a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-card ul, .legal-card ol { padding-left: 1.35rem; }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 50px; }
  .hero-copy { max-width: 820px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .status-panel { grid-template-columns: 1fr; }
  .hero-card { justify-content: flex-start; }
}

@media (max-width: 720px) {
  .site-header { min-height: 66px; }
  .nav a:not(.nav-cta) { display: none; }
  .section-shell { width: min(calc(100% - 28px), var(--max)); }
  .hero { padding-block: 58px 72px; }
  .hero h1 { font-size: clamp(2.7rem, 14vw, 4.6rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding-block: 76px; }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
  .footer-links { flex-wrap: wrap; }
  .copyright { grid-column: auto; }
  .legal-page { padding-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}