:root {
  color-scheme: dark;
  --bg: #080a16;
  --bg-elevated: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #ecf3ff;
  --text-muted: #aebcd8;
  --text-soft: #7f90ad;
  --accent: #65d8ff;
  --accent-strong: #6f7cff;
  --accent-violet: #b889ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius-card: 24px;
  --radius-pill: 999px;
  --max-width: 1100px;
  --max-width-legal: 760px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(circle at top, rgba(101, 216, 255, 0.16), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(184, 137, 255, 0.16), transparent 24%),
    linear-gradient(180deg, #0b0f1f 0%, var(--bg) 42%, #06070d 100%);
  color: var(--text);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.site-shell { width: min(calc(100% - 32px), var(--max-width)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(8, 10, 22, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-mark__pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-violet));
  box-shadow: 0 0 22px rgba(101, 216, 255, 0.65);
}
.brand-mark__label { font-size: 1.05rem; }
.site-header-actions { display: flex; align-items: center; gap: 18px; }
.site-nav-list { display: flex; align-items: center; gap: 8px; }
.site-nav-link,
.language-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  transition: background 160ms ease, color 160ms ease;
}
.site-nav-link:hover,
.language-link:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }
.site-nav-link.is-active,
.language-link.is-active { background: rgba(101, 216, 255, 0.12); color: var(--accent); }
.language-switcher { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.language-switcher__label,
.site-footer-eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
}
.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: 14px;
  padding: 0;
}
.mobile-nav-toggle__line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 999px;
}
.page-main { padding: 56px 0 88px; }
.page-main--legal { padding-top: 42px; }
.hero { padding: 48px 0 40px; }
.hero-panel,
.section-card,
.product-card,
.feature-card,
.legal-panel {
  position: relative;
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
}
.hero-panel {
  padding: 40px 24px;
  background:
    linear-gradient(145deg, rgba(101, 216, 255, 0.12), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.05);
}
.hero-panel::before,
.section-card::before,
.product-card::before,
.feature-card::before {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(101, 216, 255, 0.18), transparent 70%);
  pointer-events: none;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  margin-bottom: 20px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero-title,
.page-title { margin: 0; line-height: 1.08; letter-spacing: -0.04em; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4.9rem); max-width: 12ch; }
.page-title { font-size: clamp(2rem, 4.5vw, 3.4rem); }
.hero-subtitle,
.page-subtitle,
.section-text,
.card-text,
.legal-panel p,
.legal-panel li { color: var(--text-muted); }
.hero-subtitle,
.page-subtitle { max-width: 62ch; font-size: 1.02rem; }
.hero-actions,
.inline-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover,
.button-secondary:hover { transform: translateY(-1px); }
.button { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #041019; }
.button-secondary { background: rgba(255, 255, 255, 0.04); border-color: var(--border); color: var(--text); }
.button.is-disabled,
.button[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }
.section { margin-top: 40px; }
.section-header { margin-bottom: 20px; }
.section-title { margin: 0 0 10px; font-size: clamp(1.55rem, 3vw, 2rem); letter-spacing: -0.03em; }
.grid { display: grid; gap: 18px; }
.grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-card,
.feature-card,
.section-card,
.legal-panel { padding: 24px; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(101, 216, 255, 0.24);
  background: rgba(101, 216, 255, 0.1);
  color: var(--accent);
  font-size: 0.86rem;
}
.card-title { margin: 0 0 10px; font-size: 1.32rem; letter-spacing: -0.02em; }
.card-link { margin-top: 16px; display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; }
.list { margin: 0; padding: 0; list-style: none; }
.feature-list { display: grid; gap: 16px; }
.feature-list li {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}
.feature-list strong { display: block; margin-bottom: 6px; font-size: 1rem; }
.legal-wrapper { width: min(calc(100% - 32px), var(--max-width-legal)); margin: 0 auto; }
.legal-panel h1,
.legal-panel h2,
.legal-panel h3 { letter-spacing: -0.03em; }
.legal-panel h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 0 0 12px; }
.legal-panel h2 { font-size: 1.25rem; margin: 32px 0 10px; }
.legal-panel ul { padding-left: 20px; }
.legal-panel p,
.legal-panel li { font-size: 1rem; }
.legal-note {
  margin-top: 26px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 184, 77, 0.08);
  border: 1px solid rgba(255, 184, 77, 0.22);
  color: #ffd39a;
}
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 15, 0.75);
  backdrop-filter: blur(14px);
}
.site-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 24px;
  padding: 30px 0 44px;
}
.site-footer-title { margin: 8px 0 10px; font-size: 1.1rem; font-weight: 700; }
.site-footer-copy { margin: 0; color: var(--text-muted); }
.site-footer-links { display: grid; gap: 10px; }
.site-footer-links a { color: var(--text-muted); }
.site-footer-links a:hover { color: var(--text); }
@media (max-width: 920px) {
  .grid--three,
  .grid--two,
  .site-footer-grid { grid-template-columns: 1fr; }
  .site-header-actions { align-items: flex-end; }
}
@media (max-width: 760px) {
  .mobile-nav-toggle { display: inline-block; }
  .site-header-actions {
    position: absolute;
    top: 76px;
    left: 16px;
    right: 16px;
    display: block;
    pointer-events: none;
  }
  .site-nav-list,
  .language-switcher { display: none; }
  .site-nav-list.is-open,
  .site-nav-list.is-open + .language-switcher,
  .site-header-actions:focus-within .site-nav-list,
  .site-header-actions:focus-within .language-switcher { display: flex; }
  .site-nav-list.is-open {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 14px;
    background: rgba(8, 10, 22, 0.96);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    pointer-events: auto;
  }
  .site-nav-list.is-open + .language-switcher {
    margin-top: 10px;
    padding: 12px 14px;
    background: rgba(8, 10, 22, 0.96);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    pointer-events: auto;
  }
  .hero-panel,
  .product-card,
  .feature-card,
  .section-card,
  .legal-panel { padding: 22px 18px; }
  .page-main { padding-top: 28px; }
}