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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: var(--type-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: .06em;
  text-underline-offset: .18em;
}

button {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

::selection {
  color: var(--ink);
  background: var(--select);
}

.container {
  width: min(100% - 48px, 1200px);
  margin-inline: auto;
}

.copy-column,
.section-intro {
  max-width: 36rem;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-style: normal;
  font-weight: 400;
}

h1 {
  max-width: 14em;
  font-size: var(--type-h1);
  line-height: 1.02;
  letter-spacing: -.022em;
}

h2 {
  font-size: var(--type-h2);
  line-height: 1.08;
  letter-spacing: -.018em;
}

h3 {
  font-size: var(--type-h3);
  font-weight: 500;
  line-height: 1.2;
}

p {
  margin: 0;
}

.section {
  padding-block: var(--s-10);
  scroll-margin-top: 64px;
}

.band {
  background: var(--bg-raised);
}

.section-intro h2 + p,
.copy-column h3 + p {
  margin-top: var(--s-5);
}

.section-intro p,
.copy-column p {
  max-width: 36rem;
  color: var(--ink-2);
}

.section-intro h2 + p {
  font-size: var(--type-body);
  line-height: 1.6;
}

.hero {
  padding-top: var(--s-9);
}

.hero-copy {
  max-width: 58rem;
}

.hero-copy .lead {
  max-width: 36rem;
  margin-top: var(--s-5);
  color: var(--ink-2);
  font-size: var(--type-lead);
  line-height: 1.5;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-4);
  margin-top: var(--s-6);
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  background: var(--button-bg);
  color: var(--button-ink);
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
}

.btn:hover {
  background: color-mix(in srgb, var(--button-bg) 90%, var(--ink));
}

.btn:active {
  transform: translateY(1px);
}

.btn--quiet {
  min-height: 44px;
  padding: 0 4px;
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
}

.btn--quiet:hover {
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.demo {
  width: 100%;
  margin-top: var(--s-8);
}

.demo:empty {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-raised);
}

#demo-hero:empty { aspect-ratio: 1120 / 640; }
#demo-problem:empty { aspect-ratio: 1120 / 560; }
#demo-sessions:empty { aspect-ratio: 1120 / 680; }
#demo-search:empty { aspect-ratio: 1120 / 600; }
#demo-apps:empty { aspect-ratio: 1120 / 460; }
#demo-light:empty { aspect-ratio: 1120 / 420; }
#demo-capture:empty { min-height: 340px; }
#demo-keys:empty { min-height: 200px; }

.demo-caption,
.small-print,
.small-link {
  color: var(--ink-2);
  font-size: var(--type-small);
  line-height: 1.45;
}

.demo-caption {
  margin-top: var(--s-4);
}

.small-print {
  max-width: 36rem;
  margin-top: var(--s-4);
}

.small-link {
  display: inline-block;
  margin-top: var(--s-3);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, .8fr);
  gap: clamp(var(--s-7), 8vw, var(--s-9));
}

.problem-reason {
  align-items: start;
  margin-top: var(--s-8);
}

.problem-stat {
  max-width: 20rem;
  padding-top: 2px;
}

.stat-number {
  color: var(--ink);
  font-family: var(--font-ui);
  font-variant-numeric: tabular-nums;
  font-size: 4rem;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.025em;
}

.problem-stat > p:not(.stat-number) {
  margin-top: var(--s-3);
  color: var(--ink-2);
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s-6);
}

.quiet-list {
  margin-top: var(--s-8);
}

.quiet-item {
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}

.quiet-item h3 {
  font-size: var(--type-h3);
}

.quiet-item p {
  margin-top: var(--s-3);
  color: var(--ink-2);
}

.apps-copy {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--s-8);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--s-8);
  row-gap: var(--s-6);
  margin-top: var(--s-8);
}

.fact-item {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.fact-title {
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
}

.fact-item > p + p {
  margin-top: var(--s-2);
  color: var(--ink-2);
}

.closing h2 {
  font-size: var(--type-h1);
  line-height: 1.02;
  letter-spacing: -.022em;
}

.closing .copy-column > p {
  margin-top: var(--s-5);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: var(--type-small);
}

.footer-inner {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}

.footer-inner a {
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* Navigation */
.nav-sentinel {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 2px;
  pointer-events: none;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 64px;
  margin-bottom: -64px;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background-color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.site-nav {
  display: flex;
  height: 64px;
  align-items: center;
  gap: clamp(16px, 2.4vw, 36px);
}

.wordmark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 2px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.035em;
  text-decoration: none;
}

.fn-caret {
  display: inline-block;
  width: 2px;
  height: 18px;
  background: var(--accent);
  animation: fn-caret-blink 1.06s steps(1, end) infinite;
}

@keyframes fn-caret-blink {
  50% { opacity: 0; }
}

.nav-links {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
}

.nav-links a {
  color: var(--ink-2);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-action {
  flex: 0 0 auto;
  min-height: 40px;
  padding-inline: 15px;
  font-size: 14px;
}

.nav-menu-toggle {
  display: none;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--fill-soft);
  font-size: 14px;
  cursor: pointer;
}

/* Shared demo primitives */
.stage {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-raised);
}

.stage-inner {
  position: absolute;
  inset: 0 auto auto 0;
  width: max-content;
  transform-origin: top left;
}

.mac-menubar {
  position: relative;
  z-index: 5;
  display: flex;
  height: 24px;
  align-items: center;
  justify-content: space-between;
  padding-inline: 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  color: var(--ink);
  font-size: 13px;
  line-height: 1;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.mac-menubar__menus,
.mac-menubar__status {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mac-menubar__app {
  font-weight: 600;
}

.mac-menubar__status {
  gap: 10px;
  color: var(--ink-2);
  font-size: 12px;
}

.tray-glyph {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid currentColor;
  border-radius: 3px;
  color: var(--ink);
}

.tray-glyph::after {
  position: absolute;
  top: 4px;
  right: 2px;
  left: 2px;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: .72;
}

.tray-glyph.is-session::before {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--panel);
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.mac-window {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-window);
  background: var(--card);
  box-shadow: var(--shadow-window);
  color: var(--ink);
  font-family: var(--font-ui);
}

.mac-window__titlebar {
  position: relative;
  display: flex;
  height: 28px;
  align-items: center;
  padding-inline: 10px;
  background: var(--window-bar);
}

.mac-window__lights {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mac-window__lights span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--traffic-red);
}

.mac-window__lights span:nth-child(2) { background: var(--traffic-yellow); }
.mac-window__lights span:nth-child(3) { background: var(--traffic-green); }
.mac-window:not(.is-active) .mac-window__lights span { background: var(--line); }

.mac-window__title {
  position: absolute;
  inset-inline: 48px;
  overflow: hidden;
  color: var(--ink-2);
  font-size: 13px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mac-window__body {
  background: var(--card);
}

.focus-tag {
  position: relative;
  z-index: 2;
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  gap: 6px;
  padding: 3px 8px 3px 6px;
  border: .5px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
}

.focus-tag::before {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.focus-tag.is-pulse::after {
  position: absolute;
  inset: -2px;
  border: 1px solid var(--accent);
  border-radius: inherit;
  content: "";
  animation: focus-tag-pulse 600ms var(--ease-out) both;
}

@keyframes focus-tag-pulse {
  from { opacity: .55; transform: scale(.96); }
  to { opacity: 0; transform: scale(1.12); }
}

.fn-panel {
  border: .5px solid var(--line);
  border-radius: var(--radius-search);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  color: var(--ink);
  font-family: var(--font-ui);
}

.fn-panel--quick {
  border-radius: var(--radius-quick);
}

.fn-toast {
  display: flex;
  box-sizing: border-box;
  width: max-content;
  min-width: 240px;
  max-width: 380px;
  height: 56px;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border: .5px solid var(--toast-line);
  border-radius: var(--radius-toast);
  background: var(--toast-bg);
  box-shadow: var(--shadow-panel);
  color: var(--ink);
  font-family: var(--font-ui);
  text-align: left;
}

.fn-toast__icon {
  display: block;
  width: 18px;
  height: 18px;
  flex: none;
}

.fn-toast__icon svg {
  display: block;
  width: 18px;
  height: 18px;
}

.fn-toast__icon .fn-toast__icon-session { display: none; }
.fn-toast--session .fn-toast__icon-success { display: none; }
.fn-toast--session .fn-toast__icon .fn-toast__icon-session { display: block; }

.fn-toast__text {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  justify-content: center;
}

.fn-toast__title,
.fn-toast__sub {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.fn-toast__title {
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  line-height: 16px;
}

.fn-toast__sub {
  margin-top: 2px;
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 400;
  line-height: 13px;
}

.fn-toast__sub:empty { display: none; }

.fn-toast__hint {
  display: flex;
  flex: none;
  align-items: center;
  gap: 4px;
}

.fn-toast__hint[hidden] { display: none; }

.fn-toast__cap {
  display: inline-flex;
  height: 18px;
  align-items: center;
  padding: 0 4px;
  border-radius: 4px;
  background: var(--toast-hint-fill);
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
}

.fn-toast__caption {
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
}

.keycap {
  display: inline-flex;
  min-width: 28px;
  min-height: 28px;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: var(--radius-keycap);
  background: var(--card);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  transition: transform 80ms ease, border-bottom-width 80ms ease;
}

.keycap.is-down {
  transform: translateY(1px);
  border-bottom-width: 1px;
}

.fn-keys {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.fn-keys--overlay {
  padding: 5px 7px;
  border: .5px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  box-shadow: var(--shadow-panel);
}

.fn-pause {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}

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

.fn-pause__icon {
  position: relative;
  display: block;
  width: 12px;
  height: 12px;
}

.fn-pause__icon::before,
.fn-pause__icon::after {
  position: absolute;
  top: 1px;
  bottom: 1px;
  width: 3px;
  border-radius: 1px;
  background: currentColor;
  content: "";
}

.fn-pause__icon::before { left: 2px; }
.fn-pause__icon::after { right: 2px; }

.fn-pause[aria-pressed="true"] .fn-pause__icon::before {
  top: 0;
  bottom: 0;
  left: 2px;
  width: 9px;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.fn-pause[aria-pressed="true"] .fn-pause__icon::after { display: none; }

.seg {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--fill-soft);
}

.seg button {
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
}

.seg button[aria-pressed="true"] {
  background: var(--card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, .16);
  color: var(--ink);
}

@media (max-width: 720px) {
  .container { width: min(100% - 48px, 1200px); }

  .section {
    padding-block: 80px;
  }

  .hero {
    padding-top: 96px;
  }

  .site-nav {
    justify-content: space-between;
    gap: var(--s-3);
  }

  .nav-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
  }

  .nav-links {
    position: absolute;
    top: calc(100% - 1px);
    right: 24px;
    left: 24px;
    display: none;
    align-items: stretch;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    box-shadow: var(--shadow-panel);
  }

  .site-nav.is-menu-open .nav-links {
    display: flex;
    flex-direction: column;
  }

  .nav-links a {
    padding: 11px 12px;
    border-radius: 8px;
    font-size: 15px;
  }

  .nav-links a:hover { background: var(--fill-soft); }
  .nav-action { display: none; }

  .two-col,
  .three-col,
  .apps-copy,
  .fact-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-6);
  }

  .problem-stat { max-width: 30rem; }

  .quiet-list,
  .problem-reason,
  .apps-copy,
  .fact-grid {
    margin-top: var(--s-7);
  }
}

@media (max-width: 480px) {
  .container { width: calc(100% - 32px); }

  .section { padding-block: 80px; }
  .hero { padding-top: 96px; }
  .hero-copy .lead { font-size: 1.125rem; }
  .button-row { align-items: flex-start; gap: 12px 16px; }
  .btn { padding-inline: 16px; }
  .btn--quiet { padding-inline: 0; }
  .demo { margin-top: var(--s-7); }
  .fact-grid { grid-template-columns: minmax(0, 1fr); }
  .stat-number { font-size: 3.5rem; }
  .footer-inner { min-height: 76px; }

  .nav-links { right: 16px; left: 16px; }
  .mac-menubar { padding-inline: 8px; }
  .mac-menubar__menus { gap: 9px; }
  .mac-menubar__status { gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .fn-caret { animation: none; }
}