:root {
  --bg: #0f172a;
  --surface: #161b22;
  --surface-2: #1c2330;
  --border: #263042;
  --text: #ecefec;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent-dim: #1d4fc4;
  --add: #3fb950;
  --del: #f85149;
  --chg: #d29922;
}

* {
  box-sizing: border-box;
}

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

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Public Sans", -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

header.top {
  padding: 28px 0 0;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
}
.wordmark .dot {
  color: var(--accent);
}

main {
  padding: 72px 0 40px;
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 18px;
}
.eyebrow .add {
  color: var(--add);
}

h1 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 15ch;
}

.sub {
  font-size: 1.15rem;
  color: #9aa5b1;
  max-width: 46ch;
  margin: 0 0 40px;
}

/* Live changelog card, the signature element */
.log-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 6px;
  overflow: hidden;
}

.log-card__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  font-family: "JetBrains Mono", monospace;
  font-size: 12.5px;
  color: var(--muted);
}
.log-card__bar strong {
  color: var(--text);
  font-weight: 600;
}

.log-card__body {
  padding: 8px 0;
}

.release {
  padding: 18px 20px;
  opacity: 0;
  transform: translateY(6px);
  animation: rise 0.5s ease-out forwards;
}
.release + .release {
  border-top: 1px solid var(--border);
}
.release:nth-child(1) { animation-delay: 0.15s; }
.release:nth-child(2) { animation-delay: 0.35s; }
.release:nth-child(3) { animation-delay: 0.55s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.release__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
  font-family: "JetBrains Mono", monospace;
}
.release__version {
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
}
.release__date {
  font-size: 12.5px;
  color: var(--muted);
}

.diff-line {
  display: flex;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  padding: 2px 0;
  color: #c9d1d9;
}
.diff-line .marker {
  width: 1ch;
  flex-shrink: 0;
  user-select: none;
}
.diff-line.add .marker { color: var(--add); }
.diff-line.add { color: #adbac7; }
.diff-line.del .marker { color: var(--del); }
.diff-line.chg .marker { color: var(--chg); }

form.signup {
  margin-top: 48px;
  display: flex;
  gap: 10px;
  max-width: 440px;
  flex-wrap: wrap;
}

input[type="email"] {
  flex: 1 1 240px;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  padding: 13px 16px;
  border-radius: 6px;
  font-family: inherit;
}
input[type="email"]::placeholder {
  color: #4d545c;
}

button.cta {
  background: var(--accent);
  color: #ffffff;
  border: none;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  transition: background 0.15s ease;
}
button.cta:hover {
  background: var(--accent-dim);
}
button.cta:disabled {
  opacity: 0.6;
  cursor: default;
}

.form-msg {
  margin-top: 12px;
  font-size: 14px;
  min-height: 1.4em;
}
.form-msg.ok { color: var(--add); }
.form-msg.err { color: var(--del); }

.value-rows {
  margin-top: 88px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
  display: grid;
  gap: 28px;
}
.value-row h3 {
  font-size: 16px;
  margin: 0 0 6px;
  font-family: "JetBrains Mono", monospace;
  color: var(--text);
}
.value-row p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 52ch;
}

footer {
  padding: 60px 0 40px;
  color: #45505f;
  font-size: 13px;
}

@media (max-width: 560px) {
  main { padding-top: 48px; }
  form.signup { flex-direction: column; }
  input[type="email"] { flex: 0 0 auto; width: 100%; }
  button.cta { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .release {
    animation: none;
    opacity: 1;
    transform: none;
  }
}