:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --panel: rgba(16, 29, 47, 0.82);
  --panel-solid: #12233a;
  --text: #ecf3ff;
  --muted: #b5c5df;
  --accent: #79c7ff;
  --accent-strong: #5ba8ff;
  --line: rgba(190, 215, 255, 0.14);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(91, 168, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #081220 0%, #07111f 55%, #0a1525 100%);
  line-height: 1.6;
}

body::selection {
  background: rgba(121, 199, 255, 0.35);
}

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

p {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
}

.site-shell {
  min-height: 100vh;
}

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

.narrow {
  max-width: 820px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner,
.hero-grid,
.section-heading,
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.header-inner {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  gap: 0.85rem;
  align-items: center;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.section-label,
.eyebrow,
.panel-label,
.timeline-phase {
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.brand-mark {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(121, 199, 255, 0.32), rgba(91, 168, 255, 0.12));
  border: 1px solid rgba(121, 199, 255, 0.25);
  box-shadow: var(--shadow);
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-nav a,
.button {
  transition: 180ms ease;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.hero,
.section {
  padding: 5rem 0;
}

.hero-grid {
  grid-template-columns: 1.4fr 0.95fr;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  max-width: 12ch;
  margin-top: 0.75rem;
}

.lead {
  max-width: 60ch;
  margin-top: 1.25rem;
  font-size: 1.08rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #07111f;
}

.button-primary:hover,
.button-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(91, 168, 255, 0.28);
}

.button-secondary {
  border-color: rgba(121, 199, 255, 0.3);
  background: rgba(255, 255, 255, 0.02);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(121, 199, 255, 0.6);
  background: rgba(255, 255, 255, 0.05);
}

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

.hero-panel {
  padding: 1.6rem;
}

.hero-panel p + .stats-list {
  margin-top: 1.5rem;
}

.stats-list,
.pill-list,
.card-grid,
.timeline {
  display: grid;
  gap: 1rem;
}

.stats-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  list-style: none;
}

.stats-list li {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(190, 215, 255, 0.08);
  border-radius: 18px;
}

.stats-list strong {
  display: block;
  font-size: 1.3rem;
}

.stats-list span,
.section-heading > p,
.card p,
.timeline-item p,
.contact-card p,
.site-footer p {
  color: var(--muted);
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-accent {
  padding-top: 0;
}

.section-heading {
  grid-template-columns: 1fr minmax(280px, 420px);
  align-items: end;
  margin-bottom: 2rem;
}

.section h2 {
  margin-top: 0.55rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.pill-list {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 1.8rem;
}

.pill {
  padding: 0.85rem 1rem;
  border: 1px solid rgba(121, 199, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.timeline-item,
.contact-card {
  padding: 1.5rem;
}

.card h3,
.timeline-item h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.timeline {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-item {
  position: relative;
  overflow: hidden;
}

.timeline-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.contact-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}

.contact-card {
  background: linear-gradient(180deg, rgba(121, 199, 255, 0.08), rgba(255, 255, 255, 0.03));
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  grid-template-columns: 1.2fr 0.8fr;
}

.footer-inner strong {
  display: inline-block;
  margin-bottom: 0.75rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .section-heading,
  .card-grid,
  .timeline,
  .contact-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .header-inner {
    grid-template-columns: 1fr;
  }

  .site-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .hero,
  .section {
    padding: 4rem 0;
  }

  .stats-list {
    grid-template-columns: 1fr;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .hero h1 {
    max-width: none;
  }
}