:root {
  --bg: #ffffff;
  --bg-subtle: #f6f6f4;
  --fg: #16161a;
  --fg-muted: #5b5b63;
  --border: #e7e7e3;
  --accent: #2f7a4f;
  --accent-fg: #ffffff;
  --radius: 14px;
  --max-width: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --bg-subtle: #19191c;
    --fg: #f2f2f0;
    --fg-muted: #a3a3ab;
    --border: #2a2a2e;
    --accent: #4fbf7d;
    --accent-fg: #0c0c0d;
  }
}

* { box-sizing: border-box; }

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}

.brand-mark {
  position: relative;
  display: inline-block;
  width: 2.2rem;
  height: 2.05rem;
  flex-shrink: 0;
}

.brand-mark span {
  position: absolute;
  font-size: 1.15rem;
  line-height: 1;
}

/* apex of the A */
.brand-mark span:nth-child(1) { top: -0.1rem; left: 0.52rem; z-index: 2; }
/* left leg, angled outward, overlapping the apex */
.brand-mark span:nth-child(2) { top: 0.6rem; left: 0.02rem; transform: rotate(-24deg); }
/* right leg, angled outward, overlapping the apex */
.brand-mark span:nth-child(3) { top: 0.6rem; left: 1.02rem; transform: rotate(24deg); }

/* crossbar of the A */
.brand-mark::after {
  content: "";
  position: absolute;
  top: 1.15rem;
  left: 0.45rem;
  width: 1.3rem;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  z-index: 3;
}

.nav-cta {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.nav-cta:hover { color: var(--fg); border-color: var(--fg-muted); }

.hero {
  padding: 6rem 1.5rem 5rem;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.12;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 40ch;
  margin: 0 0 2.25rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
}

.btn-primary:hover { opacity: 0.9; }

.btn-ghost {
  border-color: var(--border);
  color: var(--fg);
}

.btn-ghost:hover { border-color: var(--fg-muted); }

.apps { padding: 4.5rem 1.5rem; }

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.apps h2 {
  font-size: 1.6rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.section-lede {
  color: var(--fg-muted);
  margin: 0 0 2rem;
}

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

.app-card {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--bg-subtle);
  padding: 2rem 1.25rem;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  color: var(--fg-muted);
}

.app-card-icon {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--fg); }