:root {
  --bg: #0f172a;
  --surface: #111827;
  --surface-alt: #182234;
  --accent: #22c55e;
  --accent-dark: #16a34a;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --border: #263247;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #14203a 0%, var(--bg) 40%);
  color: var(--text);
  line-height: 1.65;
}

.container {
  width: min(100% - 2rem, 900px);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.nav-wrap {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.page-content {
  padding: 2.5rem 0 3rem;
}

section {
  margin: 0 0 2.25rem;
}

.hero {
  background: linear-gradient(180deg, rgba(34, 197, 94, 0.1), rgba(17, 24, 39, 0.7));
  border: 1px solid rgba(34, 197, 94, 0.28);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: var(--shadow);
}

.hero-small {
  padding: 1.75rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.78rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 0.95rem;
}

h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

p {
  margin: 0.5rem 0 0;
  color: var(--text);
}

.subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 62ch;
}

.cta-row {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
}

.btn-primary {
  color: #052e16;
  background: var(--accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-dark);
  text-decoration: none;
}

.btn-secondary {
  color: var(--text);
  background: transparent;
  border-color: var(--border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent);
  text-decoration: none;
}

.grid {
  display: grid;
  gap: 0.9rem;
}

.features-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.screenshot-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: linear-gradient(180deg, var(--surface-alt), var(--surface));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.feature-card {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover,
.feature-card:focus-within {
  transform: translateY(-5px);
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.3);
}

.faq-card,
.policy-card {
  margin-bottom: 0.75rem;
}

.stack {
  display: flex;
  flex-direction: column;
}

.screenshot-grid img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b1220;
}

footer {
  margin-top: 2.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--muted);
}

body.animate .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 460ms ease, transform 460ms ease;
}

body.animate .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 680px) {
  .hero {
    padding: 1.4rem;
  }

  .nav-wrap {
    min-height: 56px;
  }

  nav {
    gap: 0.75rem;
  }
}