:root {
  color-scheme: light dark;
  --page: #f4f7f6;
  --surface: #ffffff;
  --surface-strong: #e8efed;
  --ink: #101718;
  --muted: #405052;
  --accent: #006b5e;
  --accent-soft: #d9f3ef;
  --accent-ink: #ffffff;
  --border: #738382;
  --focus: #a72a19;
  --shadow: 0 1.25rem 3.5rem rgb(14 17 19 / 12%);
  --content-width: 72rem;
  --reading-width: 46rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background:
    radial-gradient(circle at 90% 4%, rgb(0 107 94 / 12%), transparent 28rem),
    var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: clamp(1rem, 0.96rem + 0.22vw, 1.16rem);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 0.11em;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 0.18em;
}

.heading-link {
  color: inherit;
  text-decoration: none;
  scroll-margin-top: 1rem;
}

.heading-link:hover,
.heading-link:focus-visible {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.25rem;
  border-radius: 0.15rem;
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-180%);
  background: var(--surface);
  color: var(--ink);
  border: 0.125rem solid var(--focus);
  border-radius: 0.35rem;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.marketing-main,
.site-footer {
  width: min(calc(100% - 2rem), var(--content-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.15rem;
  border-bottom: 0.0625rem solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 2.75rem;
  border: 0.0625rem solid var(--border);
  border-radius: 0.65rem;
}

nav ul,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  display: inline-block;
  padding-block: 0.35rem;
}

.marketing-main {
  padding-block: clamp(2.75rem, 7vw, 6.5rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 25rem);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  min-height: 38rem;
}

.availability {
  margin: 1.25rem 0 0;
  color: var(--muted);
}

h1,
h2,
h3,
h4 {
  margin-block: 0 0.75rem;
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 8vw, 5.8rem);
  letter-spacing: -0.045em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3.45rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
}

h4 {
  font-size: 1.1rem;
}

p {
  margin-block: 0 1rem;
}

.lede {
  max-width: 38rem;
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.action {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border: 0.125rem solid var(--accent);
  border-radius: 999rem;
  font-weight: 700;
  text-decoration: none;
}

.action.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.action.secondary {
  background: transparent;
  color: var(--accent);
}

figure {
  margin: 0;
}

.app-mark {
  width: min(100%, 23rem);
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  border-radius: 2rem;
  box-shadow: var(--shadow);
}

.app-mark img {
  width: 100%;
  border-radius: 22%;
}

figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.content-block {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.intro {
  max-width: var(--reading-width);
  margin-bottom: 2.5rem;
  color: var(--muted);
  font-size: 1.15em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature {
  padding: clamp(1.3rem, 3vw, 2rem);
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  border-radius: 1rem;
}

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

.feature.signature {
  grid-column: span 2;
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.feature.signature p {
  max-width: 38rem;
  color: var(--accent-ink);
}

.content-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 7vw, 6rem);
}

.content-columns > div {
  max-width: var(--reading-width);
}

.content-columns p,
.content-columns li {
  color: var(--muted);
}

.plain-list {
  margin: 0;
  padding-left: 1.35rem;
}

.plain-list li {
  margin-bottom: 0.55rem;
}

.statement,
.shortcut-reference,
.support-note {
  padding: clamp(1.75rem, 5vw, 3.5rem);
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
}

.statement p,
.support-note p,
.support-note ul,
.shortcut-reference > p {
  max-width: var(--reading-width);
  color: var(--muted);
}

.shortcut-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.shortcut-group {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--surface-strong);
  border: 0.0625rem solid var(--border);
  border-radius: 1rem;
}

.shortcut-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.shortcut-table th,
.shortcut-table td {
  padding: 0.75rem 0.5rem;
  border-bottom: 0.0625rem solid var(--border);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.shortcut-table thead th {
  border-bottom-width: 0.125rem;
}

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

.shortcut-table kbd {
  white-space: normal;
}

kbd {
  display: inline-block;
  padding: 0.08rem 0.45rem;
  background: var(--page);
  border: 0.0625rem solid var(--border);
  border-bottom-width: 0.18rem;
  border-radius: 0.3rem;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  font-weight: 700;
  white-space: nowrap;
}

.support-note ul {
  margin-block: 0 1.15rem;
  padding-left: 1.35rem;
}

.support-note li {
  margin-bottom: 0.4rem;
}

.support-email {
  font-size: 1.2em;
}

.privacy-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--accent-soft);
  border: 0.0625rem solid var(--border);
  border-radius: 1.25rem;
}

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

.site-footer {
  padding-block: 2rem 3rem;
  border-top: 0.0625rem solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin-top: 1.25rem;
  margin-bottom: 0;
}

.privacy-main {
  width: min(calc(100% - 2rem), var(--reading-width));
  margin-inline: auto;
  padding-block: clamp(2rem, 6vw, 4.5rem);
}

.privacy-header {
  margin-bottom: 3rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--surface);
  border: 0.0625rem solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
}

.privacy-header h1 {
  max-width: none;
  font-size: clamp(2.2rem, 7vw, 4.5rem);
}

.privacy-main h2 {
  margin-top: 2.75rem;
  font-size: clamp(1.55rem, 4vw, 2rem);
}

.privacy-main p,
.privacy-main li {
  max-width: 68ch;
}

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

.privacy-footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  color: var(--muted);
  border-top: 0.0625rem solid var(--border);
}

@media (max-width: 52rem) {
  .hero,
  .content-columns,
  .privacy-note {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature.signature {
    grid-column: span 2;
  }
}

@media (max-width: 36rem) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .feature-grid,
  .shortcut-groups {
    grid-template-columns: 1fr;
  }

  .feature.signature {
    grid-column: auto;
  }

  h1 {
    font-size: clamp(2.65rem, 16vw, 4rem);
  }

  .app-mark {
    width: min(100%, 19rem);
  }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0e1113;
    --surface: #181e22;
    --surface-strong: #232b30;
    --ink: #f3f8f7;
    --muted: #c2d0cf;
    --accent: #2cd4bf;
    --accent-soft: #173b38;
    --accent-ink: #0e1113;
    --border: #718482;
    --focus: #ff8a72;
    --shadow: 0 1.25rem 3.5rem rgb(0 0 0 / 38%);
  }

  body {
    background:
      radial-gradient(circle at 90% 4%, rgb(44 212 191 / 12%), transparent 28rem),
      var(--page);
  }

  .feature.signature {
    background: #194a44;
    color: #ffffff;
    border-color: var(--accent);
  }

  .feature.signature p {
    color: #e7f9f6;
  }
}

@media (forced-colors: active) {
  .action,
  .app-mark,
  .feature,
  .statement,
  .shortcut-reference,
  .shortcut-group,
  .support-note,
  .privacy-note,
  .privacy-header {
    border: 0.125rem solid CanvasText;
  }
}

/* Product screenshots retain their full window content at every width. */
.screenshot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.screenshot-grid figure { margin: 0; min-width: 0; }
.screenshot-grid img { width: 100%; height: auto; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); }
.screenshot-grid figcaption { text-align: left; font-size: 1rem; }
.section-note { margin-top: 1.5rem; max-width: var(--reading-width); }
@media (max-width: 52rem) { .screenshot-grid { grid-template-columns: 1fr; } }