:root {
  --bg: #0a0e1a;
  --bg-alt: #0f1525;
  --surface: #141c30;
  --text: #e8ecf6;
  --muted: #9aa6c2;
  --accent: #5b8cff;
  --accent-2: #28e0c4;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.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;
}

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

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.02em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-2);
  margin: 0 0 0.75rem;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 26, 0.7);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.15rem;
}

.brand-mark {
  color: var(--accent);
  font-size: 1.4rem;
}

.brand-accent {
  color: var(--accent);
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-cta {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
}

.nav-cta:hover {
  background: var(--accent);
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-bars,
.nav-bars::before,
.nav-bars::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  position: relative;
  transition: 0.2s;
}

.nav-bars::before,
.nav-bars::after {
  content: "";
  position: absolute;
}

.nav-bars::before {
  top: -7px;
}

.nav-bars::after {
  top: 7px;
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
}

.hero-glow {
  position: absolute;
  inset: -40% 0 auto 0;
  height: 600px;
  background: radial-gradient(
      ellipse at top,
      rgba(91, 140, 255, 0.35),
      transparent 60%
    ),
    radial-gradient(ellipse at 70% 10%, rgba(40, 224, 196, 0.18), transparent 55%);
  filter: blur(10px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05070f;
  box-shadow: 0 10px 30px rgba(91, 140, 255, 0.3);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}

/* Sections */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.section-alt {
  background: var(--bg-alt);
  max-width: none;
}

.section-alt > * {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.section-head {
  text-align: center;
  margin-bottom: 3rem;
}

.section-head h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(91, 140, 255, 0.5);
}

.card-icon {
  font-size: 1.8rem;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted);
  margin: 0;
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.timeline li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
}

.step-num {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.timeline h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.timeline p {
  color: var(--muted);
  margin: 0;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1rem;
}

.stat-value {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--muted);
  font-size: 0.95rem;
}

/* CTA */
.cta {
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.12), rgba(40, 224, 196, 0.1));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 5rem 1.5rem;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 0.75rem;
}

.cta-inner p {
  color: var(--muted);
  margin-bottom: 2rem;
}

.cta-form {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-form input {
  flex: 1 1 260px;
  max-width: 340px;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.cta-form input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.cta-status {
  margin-top: 1rem;
  min-height: 1.2em;
  color: var(--accent-2);
  font-weight: 600;
}

/* Footer */
.site-footer {
  padding: 2.5rem 1.5rem;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* Responsive nav */
@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1rem;
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links li {
    width: 100%;
    padding: 0.6rem 0;
  }
}