:root {
  --bg: #0a0d14;
  --surface: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #57e6ff;
  --accent-strong: #22d3ee;
  --border: #1f2937;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0%, var(--bg) 58%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 13, 20, 0.7);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.nav-cta,
.btn {
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
}

.nav-cta {
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
}

.hero {
  padding: 88px 0 72px;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

h1 {
  margin: 12px 0 14px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.08;
}

.subhead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 64ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  padding: 12px 16px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041016;
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
}

section {
  padding: 40px 0;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.03rem;
}

.card p,
.proof p,
.download p,
.note {
  margin: 0;
  color: var(--muted);
}

.proof-inner,
.download-inner {
  background: rgba(17, 24, 39, 0.55);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.screenshots .subhead {
  margin: 0 0 18px;
}

.shot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.shot-card {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.55);
}

.shot-card img {
  display: block;
  width: 100%;
  height: auto;
}

.signup {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.signup input {
  flex: 1 1 240px;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0d1522;
  color: var(--text);
  padding: 0 12px;
}

.signup button {
  min-height: 44px;
  border-radius: 10px;
  border: none;
  font-weight: 700;
  padding: 0 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #041016;
  cursor: pointer;
}

.note {
  margin-top: 10px;
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 28px;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .shot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .shot-grid {
    grid-template-columns: 1fr;
  }
}