:root {
  --bg: #0a0d16;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --text: #eef2ff;
  --muted: #aab4d6;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #86a8ff;
  --accent-2: #73f0c5;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(134, 168, 255, 0.18), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(115, 240, 197, 0.12), transparent 22%),
    linear-gradient(180deg, #0b1020 0%, #070910 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: 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: 32px 32px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 90%);
}

.page-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 20px 0 56px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 28px;
}

.brand {
  font-size: 0.95rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 20px;
}

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

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

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  padding: 48px 0 64px;
}

.eyebrow,
.section-tag,
.card-label {
  margin: 0 0 16px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(3.4rem, 11vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin-bottom: 18px;
}

.subtitle {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.45;
  color: var(--text);
  max-width: 38rem;
  margin-bottom: 18px;
}

.intro,
.section p,
.info-card p,
.hero-card li {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #08111e;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.button.secondary {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
}

.hero-card,
.info-card,
.next-step {
  position: relative;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-card {
  min-height: 320px;
  border-radius: 28px;
  overflow: hidden;
}

.card-glow {
  position: absolute;
  inset: auto auto 0 0;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(134, 168, 255, 0.45), transparent 68%);
  filter: blur(16px);
}

.card-content {
  position: relative;
  z-index: 1;
  padding: 28px;
}

.hero-card ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.hero-card li + li {
  margin-top: 12px;
}

.section {
  padding: 36px 0;
}

.two-column {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 36px;
  align-items: start;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.cards-section {
  padding-top: 48px;
}

.section-heading {
  margin-bottom: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.info-card {
  border-radius: 22px;
  padding: 24px;
}

.info-card h3 {
  font-size: 1.18rem;
  margin-bottom: 12px;
}

.next-step {
  margin-top: 12px;
  padding: 28px;
  border-radius: 26px;
}

@media (max-width: 900px) {
  .hero,
  .two-column,
  .cards {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 32px, 1120px);
  }

  .hero {
    padding-top: 24px;
  }

  .nav {
    gap: 14px;
    flex-wrap: wrap;
  }

  .button {
    width: 100%;
  }
}