:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #475569;
  --accent: #4338ca;
  --accent-strong: #4f46e5;
  --accent-contrast: #ffffff;
  --link: #4338ca;
  --code-bg: #eef2ff;
  --yes: #15803d;
  --no: #b91c1c;
  --shadow: 0 20px 50px -20px rgba(30, 27, 75, 0.35);
  --radius: 14px;
  --max: 1080px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --bg-soft: #111831;
    --surface: #151d38;
    --border: #26304f;
    --text: #e5e9f5;
    --muted: #a3acc4;
    --accent: #a5b4fc;
    --accent-strong: #4f46e5;
    --accent-contrast: #ffffff;
    --link: #a5b4fc;
    --code-bg: #1e2748;
    --yes: #4ade80;
    --no: #fca5a5;
    --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

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

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

code,
kbd {
  font-family: var(--mono);
  font-size: 0.9em;
}

code {
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 5px;
  overflow-wrap: anywhere;
}

kbd {
  display: inline-block;
  padding: 0.05em 0.45em;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--surface);
  white-space: nowrap;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 0.5rem;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}

p {
  margin: 0 0 1rem;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.5rem 1rem;
  background: var(--accent-strong);
  color: var(--accent-contrast);
  border-radius: 8px;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

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

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

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

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.3rem;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  line-height: 1.2;
}

.button-primary {
  background: var(--accent-strong);
  color: var(--accent-contrast);
}

.button-primary:hover {
  background: #4338ca;
  text-decoration: none;
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

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

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero */

.hero {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(8, 145, 178, 0.14), transparent 60%),
    radial-gradient(50rem 30rem at 0% 0%, rgba(79, 70, 229, 0.16), transparent 60%),
    var(--bg);
}

.hero .container {
  display: grid;
  gap: 3rem;
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .hero .container {
    grid-template-columns: minmax(0, 10fr) minmax(0, 12fr);
  }
}

.hero h1 {
  font-size: clamp(2.3rem, 4.5vw, 3.1rem);
  margin: 0 0 1rem;
}

.hero .eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero .lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.hero .fineprint {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.window-frame {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--surface);
}

/* Sections */

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-intro {
  max-width: 44rem;
  margin-bottom: 2.25rem;
}

.section-intro p {
  color: var(--muted);
  font-size: 1.1rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.card {
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

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

.card .icon {
  display: inline-flex;
  width: 2.4rem;
  height: 2.4rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.8rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #4f46e5, #0891b2);
  color: #ffffff;
}

.card .icon svg {
  width: 1.3rem;
  height: 1.3rem;
}

.note {
  margin-top: 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
}

/* Feature showcase */

.showcase {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: 3rem;
}

@media (min-width: 860px) {
  .showcase {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.showcase .window-frame {
  max-width: 420px;
  justify-self: center;
}

.showcase ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.showcase li {
  margin-bottom: 0.4rem;
}

/* Tables */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.97rem;
}

table.wide {
  min-width: 40rem;
}

th,
td {
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

thead th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

tbody th {
  font-weight: 600;
}

.yes,
.no {
  font-weight: 600;
}

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

.no {
  color: var(--no);
}

.yes::before {
  content: "✓ ";
}

.no::before {
  content: "✗ ";
}

.cell-note {
  display: block;
  font-size: 0.86rem;
  color: var(--muted);
  font-weight: 400;
}

.callout {
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent-strong);
  border-radius: 0 10px 10px 0;
  background: var(--surface);
  color: var(--muted);
}

.callout p:last-child {
  margin-bottom: 0;
}

/* Install */

.install-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin-bottom: 1.5rem;
}

.install-grid .card {
  display: flex;
  flex-direction: column;
}

.install-grid .card ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.1rem;
  color: var(--muted);
}

.install-grid .card .button {
  margin-top: auto;
  align-self: flex-start;
}

pre {
  margin: 0.5rem 0 1rem;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border-radius: 10px;
  background: #0f172a;
  color: #e2e8f0;
  border: 1px solid var(--border);
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.95rem;
  white-space: pre-wrap;
  overflow-wrap: normal;
}

/* Support */

.support {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  padding: 2rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(8, 145, 178, 0.12)),
    var(--surface);
}

@media (min-width: 760px) {
  .support {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 2.5rem;
  }
}

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

.support p:last-child {
  margin-bottom: 0;
}

/* FAQ */

.faq {
  max-width: 48rem;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  margin-bottom: 0.75rem;
}

.faq summary {
  cursor: pointer;
  padding: 1rem 1.2rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
}

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

.faq summary::before {
  content: "+";
  flex: none;
  width: 1rem;
  color: var(--accent);
  font-weight: 700;
}

.faq details[open] summary::before {
  content: "−";
}

.faq details > div {
  padding: 0 1.2rem 0.4rem 2.95rem;
  color: var(--muted);
}

/* Prose (privacy policy) */

.prose {
  max-width: 46rem;
  padding: 3.5rem 0 4.5rem;
}

.prose h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  margin: 0 0 0.5rem;
}

.prose h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 0.75rem;
}

.prose ul {
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.45rem;
}

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

.prose .summary {
  padding: 1.1rem 1.3rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  margin: 1.75rem 0;
}

.prose .summary p:last-child {
  margin-bottom: 0;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer p {
  margin: 0;
}

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

@media (max-width: 600px) {
  body {
    font-size: 1rem;
  }

  .hero {
    padding: 2.75rem 0 2.5rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  .button-row .button {
    flex: 1 1 100%;
  }

  th,
  td {
    padding: 0.65rem 0.75rem;
  }
}