:root {
  --bg: #08101a;
  --bg-soft: #0c1726;
  --panel: rgba(8, 19, 35, 0.84);
  --panel-strong: rgba(10, 24, 43, 0.95);
  --line: rgba(112, 212, 255, 0.18);
  --text: #f3f8fd;
  --muted: #bfd0e2;
  --accent: #63e3ff;
  --accent-2: #00f3a5;
  --accent-3: #ff8c2a;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --radius-md: 18px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background:
    radial-gradient(circle at 12% 8%, rgba(0, 243, 165, 0.16), transparent 24%),
    radial-gradient(circle at 88% 0%, rgba(99, 227, 255, 0.18), transparent 24%),
    linear-gradient(135deg, #06101a 0%, #0a1830 48%, #08121e 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent);
}

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

.hero,
.subhero,
.section,
.footer {
  padding-left: 24px;
  padding-right: 24px;
}

.topbar,
.hero-content,
.section > *,
.footer > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 24px;
}

.brand {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(99, 227, 255, 0.08);
  border-color: rgba(99, 227, 255, 0.36);
}

.hero-content {
  padding-top: 76px;
  padding-bottom: 74px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-2);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.12;
}

h1 {
  max-width: 920px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 5vw, 4.7rem);
}

h2 {
  font-size: clamp(1.85rem, 3vw, 2.7rem);
  margin-bottom: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.22rem;
}

.lead {
  max-width: 860px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #04111b;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 14px 28px rgba(0, 243, 165, 0.22);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(99, 227, 255, 0.26);
}

.section {
  padding-top: 42px;
  padding-bottom: 42px;
}

.alt-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0));
}

.section-heading {
  margin-bottom: 22px;
}

.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));
}

.card,
.info-panel,
.feature-item,
.timeline-item,
.quote-box,
.prose-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.card,
.info-panel,
.feature-item,
.timeline-item {
  padding: 24px;
}

.card p,
.info-panel p,
.feature-item p,
.timeline-item p,
.quote-box p,
.prose-block p,
.footer p {
  margin: 0;
  color: var(--muted);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-item,
.accent-card {
  background: var(--panel-strong);
}

.accent-card {
  background:
    linear-gradient(180deg, rgba(0, 243, 165, 0.08), rgba(99, 227, 255, 0.04)),
    var(--panel-strong);
}

.timeline {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 18px;
  align-items: start;
}

.timeline-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-weight: 900;
  color: #04111b;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
}

.quote-box,
.prose-block {
  padding: 32px;
}

.quote-box p {
  font-size: 1.16rem;
}

.prose-block {
  display: grid;
  gap: 16px;
}

.spotlight {
  padding-bottom: 70px;
}

.footer {
  padding-top: 6px;
  padding-bottom: 44px;
}

.footer > * {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.footer p + p {
  margin-top: 10px;
}

.footer span {
  color: rgba(255, 255, 255, 0.25);
  margin: 0 8px;
}

@media (max-width: 960px) {
  .grid.two,
  .grid.three,
  .feature-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero,
  .subhero,
  .section,
  .footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-content {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .timeline-mark {
    width: 46px;
    height: 46px;
  }
}