:root {
  --bg: #0f0f0f;
  --surface: #1f1f1f;
  --surface-2: #272727;
  --border: rgba(255, 255, 255, 0.1);
  --text: #fff;
  --muted: rgba(255, 255, 255, 0.7);
  --dim: rgba(255, 255, 255, 0.5);
  --accent: #ff0033;
  --accent-fg: #fff;
  --radius: 12px;
  --radius-lg: 20px;
  --max: 1080px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  padding: 1px 6px;
  background: var(--surface);
  border-radius: 6px;
  border: 1px solid var(--border);
}

kbd {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85em;
  padding: 2px 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 6px;
}

em {
  font-style: normal;
  color: var(--accent);
}

/* --- Top bar -------------------------------------------------------- */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
}

.brand img {
  border-radius: 6px;
}

.top nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: var(--muted);
}

.top nav a {
  transition: color 120ms;
}

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

.top nav .github {
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text);
}

.top nav .github:hover {
  background: var(--surface);
}

/* --- Hero ----------------------------------------------------------- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: grid;
  gap: 24px;
  text-align: center;
}

.eyebrow {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim);
}

.hero h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.lede {
  margin: 0 auto;
  max-width: 640px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--muted);
}

.cta {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 120ms, background 120ms, border-color 120ms;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn.primary:hover {
  background: #e60029;
}

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

.btn.ghost:hover {
  background: var(--surface);
}

/* --- Demo ----------------------------------------------------------- */
.demo {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

.demo-window {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 8px;
  box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 255, 255, 0.02);
  text-align: left;
}

.demo-header {
  padding: 4px 16px 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.demo-search {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 8px 12px;
  padding: 8px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  min-height: 36px;
}

.demo-search svg {
  width: 18px;
  height: 18px;
  fill: var(--muted);
  flex-shrink: 0;
}

.demo-query {
  font-size: 14px;
  color: var(--text);
  white-space: pre;
}

.caret {
  display: inline-block;
  width: 1.5px;
  height: 16px;
  background: var(--text);
  animation: blink 1s steps(1) infinite;
  margin-left: 1px;
  vertical-align: middle;
}

@keyframes blink {
  50% { opacity: 0; }
}

.demo-list {
  list-style: none;
  margin: 0;
  padding: 0 8px;
  max-height: 240px;
  overflow: hidden;
}

.demo-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  font-size: 14px;
  border-radius: 8px;
  transition: opacity 140ms, transform 140ms, max-height 140ms, padding 140ms,
    margin 140ms;
  overflow: hidden;
  max-height: 40px;
}

.demo-list li.hidden {
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin: 0;
}

.demo-list .check {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--muted);
  border-radius: 3px;
  flex-shrink: 0;
}

.demo-list .check.checked {
  background: var(--text);
  border-color: var(--text);
  position: relative;
}

.demo-list .check.checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--bg);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0, 43% 62%);
}

.demo-list .new {
  border-top: 1px solid var(--border);
  margin-top: 4px;
  padding-top: 12px;
  color: var(--muted);
}

/* --- Sections ------------------------------------------------------- */
section.features,
section.how,
section.install {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px;
}

section h2 {
  font-size: 32px;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.grid article {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.grid h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}

.grid p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
}

.how p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 16px;
}

.how strong {
  color: var(--text);
}

.install ol {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 720px;
  padding-left: 20px;
}

.install li {
  margin: 4px 0;
}

.install .aside {
  margin-top: 24px;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
  max-width: 720px;
}

/* --- Legal pages (privacy, terms) ----------------------------------- */
.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.legal h1 {
  font-size: clamp(32px, 4.5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
  color: var(--text);
}

.legal .meta {
  margin: 0 0 32px;
  color: var(--dim);
  font-size: 14px;
}

.legal h2 {
  font-size: 20px;
  margin: 40px 0 8px;
  color: var(--text);
  letter-spacing: -0.005em;
}

.legal p,
.legal ul,
.legal ol {
  margin: 0 0 16px;
}

.legal ul,
.legal ol {
  padding-left: 22px;
}

.legal li {
  margin: 6px 0;
}

.legal a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}

.legal a:hover {
  text-decoration-color: var(--muted);
}

.legal .disclosure {
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  margin: 28px 0;
}

.legal .disclosure p {
  margin: 0;
  color: var(--text);
}

.legal strong {
  color: var(--text);
}

/* --- Footer --------------------------------------------------------- */
footer {
  border-top: 1px solid var(--border);
  margin-top: 32px;
  padding: 32px 24px;
  text-align: center;
  font-size: 14px;
  color: var(--dim);
}

footer .links {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

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

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

footer a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}

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

/* --- Responsive ----------------------------------------------------- */
@media (max-width: 600px) {
  .top {
    padding: 16px;
  }
  .top nav {
    gap: 16px;
  }
  .top nav a:not(.github) {
    display: none;
  }
  section.features,
  section.how,
  section.install {
    padding: 48px 20px;
  }
}