:root {
  --bg: #0b0c0e;
  --bg-elevated: #131519;
  --border: #23262b;
  --text: #f3f4f5;
  --text-dim: #9ca0a8;
  --accent: #7fe0a0;
  --accent-dim: #55b57f;
  --radius: 14px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; text-decoration: none; }

kbd {
  font-family: inherit;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.9em;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 28px;
  height: 28px;
  object-fit: cover;
  border-radius: 8px;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 15px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  color: var(--text-dim);
}

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

.nav-cta {
  color: var(--bg) !important;
  background: var(--accent);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover { background: var(--accent-dim); }

/* Hero */

.hero {
  padding: 96px 0 64px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 13px;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.lede {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 12px;
}

.lede-sub {
  color: var(--text-dim);
  margin: 0 0 32px;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
}

.btn-primary {
  background: var(--accent);
  color: #06110b;
}

.btn-primary:hover { background: var(--accent-dim); }

.cta-note {
  color: var(--text-dim);
  font-size: 13px;
}

.hero-art img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 30px 60px rgba(127, 224, 160, 0.08));
}

/* Download */

.download {
  padding: 64px 0 72px;
  border-top: 1px solid var(--border);
}

.download h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 10px;
  text-align: center;
  font-weight: 800;
}

.section-sub {
  text-align: center;
  color: var(--text-dim);
  margin: 0 0 40px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 760px;
  margin: 0 auto;
}

.download-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.download-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

.download-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.download-card p {
  margin: 0 0 20px;
  color: var(--text-dim);
  font-size: 0.92rem;
  min-height: 42px;
}

.download-card .cta-note {
  margin-top: 12px;
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover { border-color: var(--accent); }

.btn-disabled {
  opacity: 0.55;
  pointer-events: none;
  cursor: default;
}

/* Features */

.features {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}

.features h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 40px;
  text-align: center;
  font-weight: 800;
}

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

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* CTA band */

.cta-band {
  border-top: 1px solid var(--border);
  padding: 64px 0;
}

.cta-band-inner {
  text-align: center;
}

.cta-band-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 28px;
  font-weight: 800;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-note {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 13px;
}

.footer-links a {
  color: var(--text-dim);
}

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

/* Legal / policy pages */

.legal {
  padding: 64px 0 96px;
}

.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  margin: 0 0 8px;
}

.legal .updated {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 40px;
}

.legal h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 36px 0 12px;
}

.legal p, .legal li {
  color: var(--text-dim);
  font-size: 0.98rem;
  line-height: 1.7;
}

.legal ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.legal a {
  color: var(--accent);
  text-decoration: underline;
}

.legal .back-link {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--text-dim);
  font-size: 14px;
}

.legal .back-link:hover {
  color: var(--text);
}

/* Responsive */

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-art { order: -1; max-width: 320px; margin: 0 auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .feature-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 16px; }
}