:root {
  --bg: #070812;
  --bg-soft: #0f172a;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --text: #f8fafc;
  --muted: #a9b4c7;
  --blue: #38bdf8;
  --cyan: #22d3ee;
  --purple: #8b5cf6;
  --border: rgba(255, 255, 255, 0.14);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 15%, rgba(56, 189, 248, 0.22), transparent 32%),
    radial-gradient(circle at 82% 8%, rgba(139, 92, 246, 0.22), transparent 34%),
    linear-gradient(135deg, #050714, #0f172a 55%, #111827);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: relative;
  overflow: hidden;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 18px 6%;
  background: rgba(7, 8, 18, 0.78);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

.logo {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a:hover {
  color: white;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 850;
  text-decoration: none;
}

.nav-cta,
.button.primary {
  color: #06111f;
  background: linear-gradient(135deg, var(--blue), #a78bfa);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.25);
}

.button.secondary {
  color: white;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 760px;
  padding: 120px 6%;
}

.hero-glow {
  position: absolute;
  right: 8%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.28), transparent 68%);
  filter: blur(8px);
}

.hero-content {
  position: relative;
  max-width: 880px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.center {
  text-align: center;
}

h1 {
  max-width: 950px;
  margin-bottom: 26px;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -0.075em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 1.24rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.section {
  width: min(1120px, 88%);
  margin: 0 auto;
  padding: 92px 0;
}

.intro {
  text-align: center;
}

.intro p,
.vision p,
.cta p {
  max-width: 820px;
  color: var(--muted);
  font-size: 1.08rem;
}

.intro p {
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card,
.step {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
}

.feature-card {
  padding: 30px;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.46);
  background: var(--panel-strong);
}

.card-number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--blue);
  font-weight: 900;
}

.feature-card h3,
.step h3 {
  margin-bottom: 12px;
  font-size: 1.35rem;
}

.feature-card p,
.step p {
  color: var(--muted);
}

.vision {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pillars span {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: #dbeafe;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.how h2 {
  text-align: center;
  margin-bottom: 36px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step {
  padding: 24px;
}

.step strong {
  display: inline-flex;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.18);
}

.cta {
  width: min(1120px, 88%);
  margin: 40px auto 100px;
  padding: 70px 40px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.16), rgba(139, 92, 246, 0.18));
  box-shadow: 0 30px 100px rgba(56, 189, 248, 0.14);
}

.cta p {
  margin: 0 auto 28px;
}

.footer {
  padding: 34px 6%;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 980px) {
  .navbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .feature-grid,
  .vision,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 88px;
  }
}