@font-face {
  font-family: "M PLUS Rounded 1c";
  src: url("/fonts/mplus-rounded-1c-800.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/fonts/atkinson-hyperlegible-next.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/fonts/atkinson-hyperlegible-next-italic.woff2") format("woff2");
  font-weight: 200 800;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Palette, sampled from the app icon */
  --ink: oklch(24.9% 0.066 257);
  --ink-soft: oklch(41.6% 0.048 257);
  --page: oklch(96% 0.008 254);
  --panel: oklch(99.1% 0.003 265);
  --steel: oklch(91.2% 0.016 248);
  --rule: oklch(87.9% 0.018 253);
  --rivet: oklch(78% 0.02 250);
  --signal: oklch(53.6% 0.214 260);
  --signal-deep: oklch(46.4% 0.189 260);
  --wave-top: oklch(70.4% 0.167 244);
  --vault: oklch(21.7% 0.056 255);
  --vault-text: oklch(95% 0.013 256);
  --vault-muted: oklch(77.1% 0.032 254);
  --vault-rule: oklch(34% 0.05 255);

  /* Type */
  --font-display: "M PLUS Rounded 1c", "SF Pro Rounded", ui-rounded, "Arial Rounded MT Bold", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-file: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --step-0: 1.0625rem;
  --step-1: 1.3125rem;
  --step-2: clamp(1.9rem, 1.2rem + 2.6vw, 3rem);
  --step-3: clamp(2.6rem, 1.4rem + 4.6vw, 4.75rem);
  --step-small: 0.9375rem;

  /* Space */
  --space-2xs: 0.375rem;
  --space-xs: 0.625rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: clamp(3.5rem, 2rem + 5vw, 6.5rem);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shell: 72rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  text-wrap: balance;
}

h1 {
  font-size: var(--step-3);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

h2 {
  font-size: var(--step-2);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h3 {
  font-size: var(--step-1);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
  max-width: 62ch;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 10;
  padding: var(--space-xs) var(--space-sm);
  background: var(--ink);
  color: var(--panel);
  border-radius: var(--radius-sm);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
}

.shell {
  width: min(100% - 2rem, var(--shell));
  margin-inline: auto;
}

/* Header */

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

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-md);
}

.primary-nav a {
  color: var(--ink-soft);
  font-size: var(--step-small);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover {
  color: var(--signal-deep);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

/* Buttons and links */

.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  background: var(--signal);
  color: var(--panel);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.button:hover {
  background: var(--signal-deep);
  transform: translateY(-1px);
}

.text-link {
  color: var(--signal-deep);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25em;
}

.text-link:hover {
  color: var(--ink);
}

/* Hero */

.hero {
  padding-block: var(--space-xl) calc(var(--space-xl) * 0.8);
  background:
    repeating-linear-gradient(90deg, oklch(100% 0 0 / 0.35) 0 1px, transparent 1px 3px),
    linear-gradient(180deg, var(--panel), var(--page));
}

.hero-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: var(--space-md);
}

.lede {
  font-size: 1.1875rem;
  color: var(--ink-soft);
  max-width: 54ch;
}

.requirements {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: 0;
}

.requirements div {
  display: flex;
  gap: 0.4em;
  align-items: baseline;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--panel);
  font-size: var(--step-small);
}

.requirements dt {
  color: var(--ink-soft);
}

.requirements dd {
  margin: 0;
  font-weight: 700;
}

.hero-mark {
  margin: 0;
  justify-self: center;
  width: min(68%, 26rem);
}

.hero-mark img {
  filter: drop-shadow(0 18px 28px oklch(24.9% 0.066 257 / 0.16));
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
}

/* Sections */

.section {
  padding-block: var(--space-xl);
  border-top: 1px solid var(--rule);
}

.split {
  display: grid;
  gap: var(--space-lg);
  align-items: start;
}

.split-copy {
  display: grid;
  gap: var(--space-md);
  align-content: start;
}

.split-copy > p {
  color: var(--ink-soft);
}

/* Progress: what works, what's next */

.progress-list {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.progress-list li {
  display: grid;
  gap: var(--space-2xs);
  padding-top: var(--space-md);
  border-top: 1px solid var(--rule);
}

.progress-list li > p:last-child {
  color: var(--ink-soft);
}

.progress-state {
  justify-self: start;
  padding: 0.15rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink-soft);
  font-size: var(--step-small);
  font-weight: 700;
}

.progress-done {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--panel);
}

/* Dictation scene: the key and the sound it makes */

.keycap-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding-block: var(--space-md);
}

.dictation-scene {
  display: grid;
  gap: var(--space-md);
  align-content: start;
}

.field-mock {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-sm) var(--space-md) var(--space-md);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.field-label {
  color: var(--ink-soft);
  font-size: var(--step-small);
  font-weight: 700;
}

.field-text {
  font-size: 1.1875rem;
  line-height: 1.5;
}

.caret {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  margin-left: 2px;
  vertical-align: -0.2em;
  background: var(--signal);
}

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

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

.keycap {
  display: grid;
  align-content: space-between;
  width: 9.5rem;
  height: 8rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: 20px;
  background: linear-gradient(170deg, var(--panel) 30%, var(--steel));
  box-shadow:
    inset 0 -6px 0 oklch(87.9% 0.018 253),
    0 10px 24px oklch(24.9% 0.066 257 / 0.12);
  font-family: var(--font-display);
  font-weight: 800;
}

.keycap-glyph {
  justify-self: end;
  font-size: 2.4rem;
  line-height: 1;
}

.keycap-label {
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.wave {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 7rem;
}

.wave i {
  display: block;
  width: 12px;
  height: var(--h, 50%);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--wave-top), var(--signal));
  transform-origin: center;
}

.wave i:nth-child(1) { --h: 14%; border-radius: 50%; }
.wave i:nth-child(2) { --h: 42%; }
.wave i:nth-child(3) { --h: 70%; }
.wave i:nth-child(4) { --h: 100%; }
.wave i:nth-child(5) { --h: 62%; }
.wave i:nth-child(6) { --h: 38%; }
.wave i:nth-child(7) { --h: 14%; border-radius: 50%; }

@media (prefers-reduced-motion: no-preference) {
  .wave i {
    animation: speak 1.6s var(--ease-out) infinite alternate;
  }

  .wave i:nth-child(2) { animation-delay: -0.4s; }
  .wave i:nth-child(3) { animation-delay: -0.9s; }
  .wave i:nth-child(4) { animation-delay: -0.2s; }
  .wave i:nth-child(5) { animation-delay: -1.1s; }
  .wave i:nth-child(6) { animation-delay: -0.6s; }

  @keyframes speak {
    from { transform: scaleY(1); }
    to { transform: scaleY(0.55); }
  }
}

/* The vault: the one dark section, where the privacy ledger lives */

.vault {
  padding-block: var(--space-xl);
  background: var(--vault);
  color: var(--vault-text);
  line-height: 1.7;
}

.vault-heading {
  display: grid;
  gap: var(--space-md);
  justify-items: start;
  margin-bottom: var(--space-lg);
}

.vault-heading p {
  color: var(--vault-muted);
  font-size: 1.1875rem;
}

.dial {
  width: 5.5rem;
  height: 5.5rem;
}

.dial-rim {
  fill: none;
  stroke: var(--vault-muted);
  stroke-width: 4;
}

.dial-face {
  fill: oklch(28% 0.06 255);
}

.dial-ticks {
  stroke: var(--vault-text);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.dial-knob {
  fill: var(--rivet);
}

.dial-knob-cap {
  fill: var(--steel);
}

.ledger {
  display: grid;
  gap: var(--space-lg);
}

.ledger-col {
  padding-top: var(--space-sm);
  border-top: 2px solid var(--vault-rule);
}

.ledger-col:first-child {
  border-top-color: var(--wave-top);
}

.ledger h3 {
  margin-bottom: var(--space-sm);
}

.ledger ul {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  padding-left: 1.1rem;
  color: var(--vault-muted);
}

.ledger li::marker {
  color: var(--wave-top);
}

/* Questions */

.faq {
  border-top: 1px solid var(--rule);
}

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

.faq summary {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  content: "+" / "";
  font-family: var(--font-display);
  color: var(--signal-deep);
  transition: transform 200ms var(--ease-out);
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  padding-bottom: var(--space-md);
  color: var(--ink-soft);
}

/* Footer */

.site-footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--rule);
  font-size: var(--step-small);
  color: var(--ink-soft);
}

.footer-inner {
  display: grid;
  gap: var(--space-sm);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-md);
}

.site-footer nav a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 0.25em;
}

/* Privacy page */

.prose {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
}

.prose h1 {
  font-size: var(--step-2);
}

.prose h2 {
  margin-top: var(--space-md);
  font-size: var(--step-1);
  letter-spacing: -0.01em;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose ul {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  max-width: 62ch;
  padding-left: 1.2rem;
}

.prose .updated {
  font-size: var(--step-small);
}

/* Wider screens */

@media (min-width: 56rem) {
  .hero-mark {
    width: min(100%, 26rem);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  }

  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: var(--space-xl);
  }

  .dictation-scene {
    position: sticky;
    top: var(--space-lg);
    padding-top: var(--space-xl);
  }

  .ledger {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  .site-footer nav {
    justify-content: end;
  }

  .footer-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 30rem) {
  .keycap-scene {
    gap: var(--space-md);
  }

  .keycap {
    width: 7.5rem;
    height: 6.5rem;
  }

  .wave {
    height: 5rem;
    gap: 6px;
  }

  .wave i {
    width: 9px;
  }
}

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

  .button,
  .faq summary::after {
    transition: none;
  }
}