:root {
  --bg: #0b0d10;
  --bg-raised: #12151a;
  --border: #23272e;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #3ddc97;
  --warn: #f2c94c;
  --mono: ui-monospace, "SF Mono", Menlo, "JetBrains Mono", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max: 68rem;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

code,
kbd,
pre {
  font-family: var(--mono);
  font-size: 0.92em;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 40rem) {
  .wrap {
    padding: 0 1.5rem;
  }
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--bg-raised);
  padding: 0.5rem 1rem;
  z-index: 10;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 700;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

/* Typography */

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1rem;
}

.eyebrow {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 40rem;
}

.muted {
  color: var(--muted);
}

/* Sections */

section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border);
}

.hero {
  padding: 4rem 0 4.5rem;
}

.hero .tagline {
  font-family: var(--mono);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 3rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
}

.button:hover {
  border-color: var(--muted);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06120c;
}

.button.primary:hover {
  filter: brightness(1.08);
}

/* Terminal demo */

.terminal {
  margin: 0;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(61, 220, 151, 0.18);
}

.terminal pre {
  margin: 0;
  padding: 1.25rem;
  overflow-x: auto;
  line-height: 1.55;
  font-size: clamp(0.7rem, 1.6vw, 0.9rem);
  color: var(--text);
}

.terminal .p {
  color: var(--accent);
}

.terminal .dim {
  color: var(--muted);
}

.terminal .ok {
  color: var(--accent);
}

.terminal .ask {
  color: var(--warn);
}

.terminal .cursor {
  background: var(--accent);
  color: var(--accent);
}

.caption {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Comparison table */

.table-scroll {
  overflow-x: auto;
  margin-top: 2rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.98rem;
}

th,
td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

thead th {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

tbody th {
  font-weight: 600;
  white-space: nowrap;
}

td.new {
  color: var(--text);
}

td.old {
  color: var(--muted);
}

/* Cards */

.grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

@media (min-width: 40rem) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 60rem) {
  .grid.three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}

.card h3 {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0;
}

.card p {
  color: var(--muted);
  margin: 0;
}

/* Lists */

.not-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 40rem) {
  .not-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.not-list li {
  padding-left: 1.75rem;
  position: relative;
  color: var(--muted);
}

.not-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: var(--muted);
  font-family: var(--mono);
}

.not-list strong {
  color: var(--text);
}

blockquote {
  margin: 0;
  padding: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* FAQ */

.faq-group {
  margin-top: 3rem;
}

.faq-group h2 {
  font-size: 1.1rem;
  font-family: var(--mono);
  color: var(--accent);
  letter-spacing: 0;
}

details {
  border-bottom: 1px solid var(--border);
}

summary {
  cursor: pointer;
  padding: 1rem 0;
  font-weight: 600;
  font-size: 1.08rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--muted);
}

details[open] summary::after {
  content: "−";
}

details > div {
  padding: 0 0 1.25rem;
  color: var(--muted);
  max-width: 46rem;
}

details ul,
details ol {
  padding-left: 1.25rem;
}

/* Footer */

.site-footer {
  padding: 2.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer a {
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  gap: 1.25rem;
}

@media (prefers-reduced-motion: no-preference) {
  .cursor {
    animation: blink 1.1s steps(1) infinite;
  }
}

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

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

/* Signup */

.signup {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 0.75rem;
  max-width: 34rem;
}

.signup input[type="email"] {
  flex: 1 1 14rem;
  min-width: 0;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.signup input[type="email"]::placeholder {
  color: var(--muted);
}

.signup button {
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.signup button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.signup-status {
  flex-basis: 100%;
  margin: 0;
  min-height: 1.6em;
  font-size: 0.95rem;
  color: var(--muted);
}

.signup-status[data-state="ok"] {
  color: var(--accent);
}

.signup-status[data-state="error"] {
  color: #ff8a80;
}

.signup-alt {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 3rem;
}