:root {
  --bg: #091126;
  --bg-soft: #101c39;
  --surface: #ffffff;
  --surface-soft: #edf3ff;
  --text: #e8eeff;
  --text-dark: #15213f;
  --muted: #a8b6db;
  --primary: #23c4b7;
  --primary-dark: #15a295;
  --accent: #7bd0ff;
  --border: rgba(255, 255, 255, 0.18);
  --panel-border: rgba(17, 33, 71, 0.12);
  --shadow: 0 24px 60px rgba(3, 12, 34, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 5%, #163368 0%, transparent 34%),
    radial-gradient(circle at 85% 12%, #1d5a70 0%, transparent 28%),
    linear-gradient(150deg, #091126 0%, #0f1e40 55%, #122855 100%);
  line-height: 1.6;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(9, 17, 38, 0.68);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.brand img {
  display: block;
  height: 48px;
  width: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.nav {
  display: flex;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
}

.nav a {
  color: #e5ecff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.94rem;
  padding: 5px 12px;
  border-radius: 999px;
  transition: background 0.25s ease, color 0.25s ease;
}

.nav a:hover {
  color: #081731;
  background: var(--accent);
}

.hero {
  padding: 92px 0 64px;
}

.hero-grid {
  display: grid;
  gap: 34px;
  grid-template-columns: 1.3fr 1fr;
  align-items: start;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #7fd5ff;
  font-weight: 700;
  font-size: 0.8rem;
  margin: 0 0 8px;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  max-width: 18ch;
}

h2 {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  margin: 0 0 12px;
}

h3 {
  margin-top: 0;
}

.lead {
  color: var(--muted);
  max-width: 62ch;
  margin: 0;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 12px;
  background: var(--primary);
  color: #032729;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.button:hover {
  background: var(--primary-dark);
  color: #d8fff9;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(16, 109, 130, 0.38);
}

.button-secondary {
  background: transparent;
  color: #d9e7ff;
  border-color: rgba(162, 189, 241, 0.5);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.card,
.panel,
.contact {
  background: var(--surface);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: var(--shadow);
  color: var(--text-dark);
}

.signal-card {
  background: linear-gradient(160deg, #ffffff 0%, #f2f8ff 100%);
}

.card-kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-size: 0.75rem;
  color: #37538f;
}

.stats {
  display: grid;
  gap: 12px;
}

.stat {
  border: 1px solid rgba(37, 73, 143, 0.15);
  border-radius: 12px;
  background: #fff;
  padding: 12px 14px;
}

.stat-value {
  margin: 0;
  font-weight: 700;
  color: #0a2f68;
}

.stat-label {
  margin: 2px 0 0;
  color: #475779;
  font-size: 0.95rem;
}

.card ul {
  margin: 10px 0 0 18px;
}

.section {
  padding: 54px 0;
}

.section-alt {
  background: linear-gradient(180deg, #eaf1ff 0%, #f4f8ff 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-dark);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.panel {
  background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #22c4b7 0%, #7bd0ff 100%);
}

.panel-kicker {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 0.75rem;
  color: #4664a5;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: start;
}

.about-points {
  margin: 0;
  padding-left: 20px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0 34px;
  color: #b9c8ea;
}

@media (max-width: 860px) {
  .hero-grid,
  .grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    gap: 4px;
  }

  .site-header .container {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .brand img {
    height: 42px;
  }

  .hero {
    padding-top: 74px;
  }
}