:root {
  --bg: #0b1220;
  --bg-alt: #11192f;
  --surface: rgba(15, 23, 42, 0.95);
  --surface-strong: #141b2f;
  --text: #f8fafc;
  --muted: #94a3b8;
  --primary: #4075ff;
  --primary-soft: #5b8dff;
  --accent: #fbbf24;
  --border: rgba(148, 163, 184, 0.18);
}

* {
  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;
  background: radial-gradient(circle at top, rgba(64, 117, 255, 0.22), transparent 25%),
    linear-gradient(180deg, #0d1527 0%, #0a101f 100%);
  color: var(--text);
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.5rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand strong {
  font-size: 1.4rem;
  letter-spacing: 0.12em;
}

.brand span {
  font-size: 0.95rem;
  color: var(--muted);
}

nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button--ghost {
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
  background: transparent;
}

.button--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  color: white;
  box-shadow: 0 20px 60px rgba(64, 117, 255, 0.18);
}

.button--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.75rem, 5vw, 4.5rem);
  line-height: 1.05;
}

.hero-text {
  margin: 1.5rem 0 1rem;
  max-width: 45rem;
  color: var(--muted);
  line-height: 1.8;
}

.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-panel {
  display: grid;
  gap: 1rem;
}

.panel-card {
  padding: 1.6rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
}

.panel-card span {
  display: block;
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.panel-card--accent {
  background: linear-gradient(180deg, rgba(64, 117, 255, 0.14), rgba(255, 255, 255, 0.04));
}

.details {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.details h2 {
  margin-top: 0;
  font-size: 2rem;
}

.details p {
  color: var(--muted);
  line-height: 1.75;
}

.stats-grid {
  display: grid;
  gap: 1rem;
}

.stats-grid article {
  padding: 1.35rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-grid strong {
  display: block;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.content-panel {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  margin-bottom: 2rem;
}

.card {
  padding: 1.6rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.card-title {
  display: block;
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 700;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.muted {
  color: var(--muted);
}

.footer {
  padding: 2rem 0 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.footer p {
  margin: 0 0 0.25rem;
}

.footer small {
  color: rgba(255, 255, 255, 0.63);
}

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

  .details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  nav {
    justify-content: flex-start;
  }

  .button {
    width: 100%;
  }

  .download-buttons {
    display: grid;
  }
}