/* formulize.dev — minimal, black-and-white, honest.
   Aesthetic reference: remoteok.com + linear.app + zed.dev. No frameworks. */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --fg: #0a0a0a;
  --fg-muted: #4a4a4a;
  --fg-quiet: #888;
  --bg: #fdfdfc;
  --bg-alt: #f5f4f1;
  --accent: #d34d1e;
  --border: #e5e3de;
  --code-bg: #1a1a1a;
  --code-fg: #f0efeb;
  --font-body: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', Menlo, Monaco, Consolas, 'Courier New', monospace;
}

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  color: var(--fg);
  text-decoration: none;
}
.brand:hover { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 24px;
}
.nav-links a {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--fg); }

/* Hero */
.hero {
  padding: 80px 0 48px;
}
.hero h1 {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 720px;
}
.lede {
  font-size: 20px;
  color: var(--fg-muted);
  margin-bottom: 36px;
  max-width: 640px;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--fg);
}
.btn-secondary:hover { background: var(--fg); color: var(--bg); }

/* Code demo */
.code-demo {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 24px 28px;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 24px;
}
.code-demo pre {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  white-space: pre;
}
.code-demo .comment { color: #7a7a7a; }
.code-demo .k { color: #ff8c69; }
.code-demo .s { color: #a9e199; }

/* Benchmark section */
.benchmark {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.benchmark h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-alt);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 16px;
}
th, td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
th {
  background: var(--fg);
  color: var(--bg);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 12px;
}
tbody tr:last-child td { border-bottom: none; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.strong { font-weight: 600; }
.caption {
  font-size: 13px;
  color: var(--fg-quiet);
  padding: 8px 0;
}
.caption a { color: var(--accent); text-decoration: none; }
.caption a:hover { text-decoration: underline; }

/* Why-different section */
.why-different {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.why-different h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 720px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }
.feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature p {
  font-size: 14.5px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Pricing */
.pricing {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.pricing h2 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.pricing-note {
  font-size: 14px;
  color: var(--fg-quiet);
  margin-bottom: 32px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
@media (min-width: 720px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }
.tier {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
  position: relative;
}
.tier-featured {
  border-color: var(--fg);
  border-width: 2px;
}
.badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--fg);
  color: var(--bg);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.tier h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--fg-quiet);
}
.tier .price {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.tier .per {
  font-size: 14px;
  font-weight: 400;
  color: var(--fg-muted);
}
.tier ul {
  list-style: none;
  margin-bottom: 24px;
}
.tier ul li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}
.tier ul li:last-child { border-bottom: none; }
.tier .btn { width: 100%; text-align: center; }
.oss-note {
  background: #fffbea;
  border: 1px solid #f6d55c;
  padding: 16px 20px;
  border-radius: 6px;
  font-size: 14.5px;
  color: var(--fg);
}
.oss-note a { color: var(--accent); }

/* Waitlist */
.waitlist {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}
.waitlist h2 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.waitlist p {
  color: var(--fg-muted);
  margin-bottom: 20px;
  font-size: 15px;
}
.waitlist-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 640px) {
  .waitlist-form { grid-template-columns: 1fr 1fr auto; }
}
.waitlist-form input {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 15px;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
}
.waitlist-form input:focus {
  outline: none;
  border-color: var(--fg);
}

/* Footer */
footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.footer-inner p { font-size: 14px; color: var(--fg-muted); }
.footer-tagline { color: var(--fg-quiet) !important; font-size: 13px !important; margin-top: 4px; }
.footer-links {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.footer-links a {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--fg); }
.copyright {
  font-size: 12px;
  color: var(--fg-quiet);
  text-align: center;
}

/* Blog styling (used on blog pages) */
.post {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 0;
}
.post h1 {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
}
.post .meta {
  color: var(--fg-quiet);
  font-size: 14px;
  margin-bottom: 32px;
}
.post h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 32px 0 12px;
  letter-spacing: -0.01em;
}
.post p, .post ul, .post ol {
  font-size: 16.5px;
  color: #222;
  line-height: 1.7;
  margin-bottom: 16px;
}
.post ul, .post ol { padding-left: 24px; }
.post code {
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
}
.post pre {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 20px;
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  margin: 16px 0 24px;
}
.post pre code { background: transparent; padding: 0; color: inherit; }