* {
  box-sizing: border-box;
}

:root {
  --bg: #0b1220;
  --bg-soft: #111a2b;
  --panel: rgba(255, 255, 255, 0.06);
  --text: #eef3fb;
  --muted: #b9c4d8;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #7cc4ff;
  --accent-2: #cde9ff;
  --max: 1120px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(124, 196, 255, 0.12), transparent 30%),
    radial-gradient(circle at bottom left, rgba(124, 196, 255, 0.08), transparent 25%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  transition: 0.2s ease;
}

nav a:hover {
  color: var(--text);
}

.hero {
  padding: 5.5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  margin-bottom: 0.8rem;
}

h1, h2, h3 {
  line-height: 1.15;
  margin-top: 0;
}

h1 {
  font-size: clamp(2.3rem, 4vw, 4.2rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.lead,
p {
  color: var(--muted);
}

.lead {
  font-size: 1.08rem;
  max-width: 68ch;
}

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: 0.2s ease;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #09111d;
  border: none;
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
}

.hero-card,
.card,
.feature-box,
.contact-placeholder {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.4rem;
}

.metric + .metric {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.metric-label {
  display: block;
  color: var(--accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.2rem;
}

.metric-value {
  font-size: 1.05rem;
  font-weight: 700;
}

.section {
  padding: 4.25rem 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.025);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.two-col {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.cards,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
  margin-top: 1.4rem;
}

.card,
.feature-box {
  padding: 1.4rem;
}

.timeline {
  margin-top: 1.4rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1.8rem;
}

.timeline-dot {
  position: absolute;
  left: 0;
  top: 0.3rem;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
}

.timeline-content {
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.2rem;
}

.contact-box {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.4rem;
  align-items: start;
}

.contact-placeholder {
  padding: 1.3rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 2rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .hero-grid,
  .two-col,
  .contact-box,
  .cards,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    padding: 0.8rem 0;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 0.8rem;
  }

  .hero {
    padding-top: 3.8rem;
  }
}
