:root {
  --bg: #0b1220;
  --panel: #0f1a2e;
  --panel2: #0b162a;
  --text: #e8eefc;
  --muted: #a9b6d6;
  --brand: #5ad4ff;
  --brand2: #8b5cf6;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.45);
  --radius: 16px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 900px at 10% -10%, rgba(90, 212, 255, 0.25), transparent 60%),
    radial-gradient(1100px 800px at 110% 20%, rgba(139, 92, 246, 0.18), transparent 55%),
    var(--bg);
  line-height: 1.5;
}

a { color: inherit; }
img { max-width: 100%; height: auto; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: #fff;
  color: #000;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 1000;
}
.skip-link:focus { left: 8px; }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.65);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.2px;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(90, 212, 255, 0.9), rgba(139, 92, 246, 0.9));
  color: #061022;
  box-shadow: 0 10px 30px rgba(90, 212, 255, 0.18);
  font-weight: 900;
}
.brand-text { white-space: nowrap; }

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  opacity: 0.9;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav > ul {
  display: flex;
  align-items: center;
  gap: 14px;
}
.site-nav a {
  text-decoration: none;
  color: var(--text);
  opacity: 0.92;
  padding: 8px 10px;
  border-radius: 12px;
}
.site-nav a:hover { background: rgba(255, 255, 255, 0.06); }

.has-submenu { position: relative; }
.submenu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  border-radius: 14px;
  background: rgba(15, 26, 46, 0.96);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 8px;
}
.submenu a { display: block; padding: 10px 12px; }
.has-submenu:hover > .submenu,
.has-submenu:focus-within > .submenu { display: block; }

.cta {
  background: linear-gradient(135deg, rgba(90, 212, 255, 0.25), rgba(139, 92, 246, 0.22));
  border: 1px solid rgba(90, 212, 255, 0.25);
}

.main { padding-bottom: 48px; }

.hero { padding: 54px 0 30px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 26px;
  align-items: start;
}
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.6px;
}
.lead {
  margin: 0 0 12px;
  font-size: 18px;
  color: rgba(232, 238, 252, 0.92);
  max-width: 66ch;
}
.sublead { margin: 0 0 18px; color: var(--muted); max-width: 70ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }

.hero-card {
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15, 26, 46, 0.9), rgba(11, 22, 42, 0.85));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px;
}
.hero-card h2 { margin: 0 0 10px; font-size: 18px; }
.checklist { padding-left: 18px; margin: 0; color: rgba(232, 238, 252, 0.92); }
.checklist li { margin: 8px 0; }

.section { padding: 38px 0; }
.section-alt { background: rgba(255, 255, 255, 0.03); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 { margin: 0 0 10px; font-size: 28px; letter-spacing: -0.2px; }
.section p { color: rgba(232, 238, 252, 0.9); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.card {
  border: 1px solid var(--border);
  background: rgba(15, 26, 46, 0.6);
  border-radius: 16px;
  padding: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); }

.callout {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(90, 212, 255, 0.22);
  background: rgba(90, 212, 255, 0.08);
  color: rgba(232, 238, 252, 0.92);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
  align-items: start;
}
.note {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(15, 26, 46, 0.55);
  padding: 14px 16px;
  margin-top: 14px;
}
.note p { margin: 0; color: var(--muted); }

.contact-form {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(15, 26, 46, 0.7);
  padding: 16px;
  box-shadow: var(--shadow);
}
.contact-form label { display: block; margin-bottom: 12px; }
.contact-form span { display: block; margin-bottom: 6px; color: rgba(232, 238, 252, 0.9); font-weight: 600; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(11, 18, 32, 0.7);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(90, 212, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(90, 212, 255, 0.14);
}
.form-status { margin: 10px 0 0; color: var(--muted); min-height: 1.2em; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration: none;
  cursor: pointer;
  user-select: none;
}
.button.primary {
  background: linear-gradient(135deg, rgba(90, 212, 255, 0.95), rgba(139, 92, 246, 0.95));
  color: #061022;
  border-color: transparent;
  font-weight: 750;
}
.button.secondary { background: rgba(255, 255, 255, 0.06); }

.site-footer { border-top: 1px solid var(--border); padding: 26px 0; }
.footer-inner { display: grid; gap: 18px; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.footer-title { font-size: 14px; margin: 0 0 10px; color: rgba(232, 238, 252, 0.9); }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links a {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 0;
}
.footer-links a:hover { color: rgba(232, 238, 252, 0.92); }
.footer-bottom { color: var(--muted); font-size: 13px; }

@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; }
  .site-header { position: sticky; }
  .site-nav.is-open {
    display: block;
    background: rgba(11, 18, 32, 0.98);
    border-bottom: 1px solid var(--border);
  }
  .site-nav > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px 12px 14px;
  }
  .submenu { position: static; display: block; background: transparent; box-shadow: none; border: 0; padding: 0 0 6px 10px; }
  .submenu a { padding: 8px 10px; color: var(--muted); }
  .has-submenu > a { font-weight: 650; }
  .grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
}