:root {
  --bg: #000;
  --surface: #0b0b0b;
  --hairline: #1f1f1f;
  --primary: #f2f2f0;
  --muted: #8a8a8a;
  --dim: #555;
  --accent: #c7ff00;
  --serif: "New York", "Times New Roman", Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--primary);
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 50% 110%, rgba(199, 255, 0, 0.06), transparent 60%);
}

a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent); }

/* ---------- top bar ---------- */
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 0.5px solid var(--hairline);
  position: sticky;
  top: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: block;
}
.brand-name {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.5em;
}
.version, .back {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-decoration: none;
}

/* Smaller App Store badge in the top bar (Apple guideline minimum: 40px tall). */
.appstore-mini {
  display: inline-block;
  line-height: 0;
  transition: transform 120ms ease;
}
.appstore-mini img {
  height: 36px;
  width: auto;
  display: block;
}
.appstore-mini:hover { transform: translateY(-1px); }
.appstore-mini:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 6px;
}
@media (max-width: 480px) {
  .appstore-mini img { height: 30px; }
}

/* ---------- hero ---------- */
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 24px 64px;
}

.tag {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 24px;
}
.tag .dash {
  width: 18px; height: 1px; background: var(--accent); display: inline-block;
}

.display {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(80px, 18vw, 160px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin: 0 0 32px 0;
}

.lede {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 720px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 56px 0;
}
.lede .dash {
  width: 28px; height: 1px; background: var(--accent); display: inline-block;
  flex-shrink: 0;
  margin-top: 12px;
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 0.5px solid var(--hairline);
  margin-bottom: 56px;
}
.feature {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 0.5px solid var(--hairline);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.feature-num {
  color: var(--accent);
  font-weight: 700;
}

/* Official Apple "Download on the App Store" badge — must keep its native
   aspect ratio (≈3:1) and minimum height per Apple's marketing guidelines. */
.appstore {
  display: inline-block;
  line-height: 0;
  transition: transform 120ms ease;
}
.appstore img {
  height: 56px;
  width: auto;
  display: block;
}
.appstore:hover { transform: translateY(-1px); }
.appstore:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
  border-radius: 8px;
}

.cta-note {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--dim);
  text-transform: uppercase;
}

/* ---------- footer ---------- */
.foot {
  max-width: 900px;
  margin: 80px auto 0;
  padding: 24px 24px 48px;
  border-top: 0.5px solid var(--hairline);
}
.foot-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.foot-row a { text-decoration: none; }
.foot-row.dim { color: var(--dim); }
.sep { color: var(--dim); }

/* ---------- legal docs ---------- */
.legal { font-family: var(--sans); }
.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 64px;
}
.doc-title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 64px);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0 0 16px;
}
.effective {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 40px;
}
.intro {
  font-size: 17px;
  line-height: 1.65;
  color: var(--primary);
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  margin: 0 0 48px;
}
.doc h2 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 48px 0 12px;
  padding-top: 20px;
  border-top: 0.5px solid var(--hairline);
}
.doc h3 {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 28px 0 10px;
}
.doc p, .doc li {
  font-size: 15px;
  line-height: 1.65;
  color: var(--primary);
}
.doc ul {
  padding-left: 20px;
  margin: 8px 0 16px;
}
.doc li { margin-bottom: 8px; }
.doc strong { color: var(--primary); font-weight: 700; }
.doc a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.doc a:hover { color: #d8ff33; }

/* ---------- support page email card ---------- */
.support-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 32px 28px;
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  margin: 0 0 48px;
}
.support-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
}
.support-email {
  font-family: var(--mono);
  font-size: clamp(20px, 4.5vw, 30px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--primary);
  text-decoration: none;
  word-break: break-all;
}
.support-email:hover { color: var(--accent); }
.support-note {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 600px) {
  .display { font-size: 80px; }
  .doc, .hero, .foot { padding-left: 18px; padding-right: 18px; }
  .feature { grid-template-columns: 40px 1fr; gap: 10px; }
}