:root {
  --bg: #eef4f1;
  --bg-soft: #e6eeea;
  --surface: #f8fbf9;
  --surface-strong: #ffffff;
  --ink: #10201d;
  --ink-soft: #263b36;
  --muted: #61746f;
  --line: rgba(16, 32, 29, .13);
  --line-strong: rgba(16, 32, 29, .22);
  --aqua: #167f70;
  --aqua-soft: rgba(22, 127, 112, .12);
  --signal: #b9dc63;
  --signal-soft: rgba(185, 220, 99, .22);
  --signal-ink: #122018;
  --danger: #a7392c;
  --danger-soft: rgba(167, 57, 44, .1);
  --nav-bg: rgba(248, 251, 249, .78);
  --shadow: 0 24px 80px rgba(25, 54, 47, .12);
  --shadow-soft: 0 12px 38px rgba(25, 54, 47, .08);
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  --page: min(1220px, calc(100% - 48px));
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #071114;
  --bg-soft: #0a171a;
  --surface: #0d1c20;
  --surface-strong: #12262a;
  --ink: #edf5f2;
  --ink-soft: #c7d6d1;
  --muted: #91a6a0;
  --line: rgba(219, 239, 232, .12);
  --line-strong: rgba(219, 239, 232, .21);
  --aqua: #68d8c2;
  --aqua-soft: rgba(104, 216, 194, .12);
  --signal: #c4e86b;
  --signal-soft: rgba(196, 232, 107, .13);
  --signal-ink: #0a1511;
  --danger: #ff9d8f;
  --danger-soft: rgba(255, 157, 143, .1);
  --nav-bg: rgba(10, 23, 26, .78);
  --shadow: 0 28px 90px rgba(0, 0, 0, .32);
  --shadow-soft: 0 14px 42px rgba(0, 0, 0, .22);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 76% -10%, var(--aqua-soft), transparent 30rem),
    var(--bg);
  font-size: 1rem;
  letter-spacing: -.012em;
  transition: color 240ms ease, background-color 240ms ease;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
select,
input[type="range"],
input[type="file"] {
  cursor: pointer;
}

button,
a,
input,
textarea,
select,
summary {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--aqua);
  outline-offset: 3px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

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

p {
  text-wrap: pretty;
}

.page-shell {
  width: var(--page);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--signal-ink);
  background: var(--signal);
  font-size: .875rem;
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

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

[hidden] {
  display: none !important;
}

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

.mono,
code,
pre,
.panel-number,
.section-number,
.status,
.take-number {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

/* Navigation */

.nav-shell {
  position: fixed;
  top: 20px;
  left: 0;
  z-index: 100;
  width: 100%;
  pointer-events: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  width: min(1100px, calc(100% - 32px));
  min-height: 68px;
  margin-inline: auto;
  padding: 10px 12px 10px 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--nav-bg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  pointer-events: auto;
  will-change: width, transform;
  transition:
    width 720ms var(--ease),
    min-height 620ms var(--ease),
    padding 620ms var(--ease),
    gap 620ms var(--ease),
    border-radius 620ms var(--ease),
    transform 520ms var(--ease),
    opacity 280ms ease,
    background-color 240ms ease,
    box-shadow 420ms ease;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: .87rem;
  font-weight: 720;
  letter-spacing: -.01em;
  text-decoration: none;
}

.brand > span:last-child {
  max-width: 110px;
  overflow: hidden;
  white-space: nowrap;
  transition: max-width 560ms var(--ease), opacity 320ms ease, transform 560ms var(--ease);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  transform: scaleY(1.12);
}

.brand-mark,
.button-bars {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  height: 19px;
  transform-origin: center;
  transition: transform 300ms var(--ease);
}

.brand-mark i,
.button-bars i {
  display: block;
  width: 3px;
  border-radius: 99px;
  background: var(--aqua);
}

.brand-mark i:nth-child(1),
.button-bars i:nth-child(1) {
  height: 35%;
}

.brand-mark i:nth-child(2),
.button-bars i:nth-child(2) {
  height: 100%;
}

.brand-mark i:nth-child(3),
.button-bars i:nth-child(3) {
  height: 58%;
}

.brand-mark i:nth-child(4),
.button-bars i:nth-child(4) {
  height: 78%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: auto;
}

.nav-link {
  max-width: 120px;
  overflow: hidden;
  white-space: nowrap;
  min-height: 44px;
  padding: 12px 16px;
  border-radius: 14px;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    max-width 560ms var(--ease),
    padding 560ms var(--ease),
    opacity 300ms ease,
    color 180ms ease,
    background-color 180ms ease,
    transform 300ms var(--ease);
}

.nav-link:hover,
.nav-link.is-current {
  color: var(--ink);
  background: var(--aqua-soft);
}

.nav-link:hover {
  transform: translateY(-1px);
}

.nav-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.theme-toggle,
.menu-toggle {
  display: inline-grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.theme-toggle:hover,
.menu-toggle:hover {
  color: var(--aqua);
  background: var(--aqua-soft);
  transform: translateY(-1px);
}

.theme-toggle:active,
.menu-toggle:active {
  transform: translateY(0) scale(.94);
}

.theme-toggle svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.theme-sun,
:root[data-theme="dark"] .theme-moon {
  display: none;
}

:root[data-theme="dark"] .theme-sun {
  display: block;
}

.nav-cta,
.primary-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--signal-ink);
  background: var(--signal);
  font-size: .84rem;
  font-weight: 720;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms var(--ease), box-shadow 180ms ease;
}

.nav-cta:hover,
.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px var(--signal-soft);
}

.nav-cta:active,
.primary-button:active {
  transform: translateY(0) scale(.975);
}

.menu-toggle {
  display: none;
}

.menu-toggle span {
  position: absolute;
  width: 18px;
  height: 1.5px;
  border-radius: 99px;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-toggle span:first-child {
  transform: translateY(-3px);
}

.menu-toggle span:last-child {
  transform: translateY(3px);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg);
}

.mobile-menu {
  width: min(460px, calc(100% - 32px));
  margin: 10px auto 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--nav-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  pointer-events: auto;
  animation: menu-in 220ms var(--ease) both;
}

.mobile-menu a {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 1.15rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, padding 260ms var(--ease);
}

.mobile-menu a:hover,
.mobile-menu a:focus-visible {
  padding-inline: 18px;
  color: var(--aqua);
  background: var(--aqua-soft);
}

.mobile-menu a[aria-current="page"]::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  content: "";
}

.mobile-menu p {
  margin: 20px 14px 10px;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.55;
}

.nav-shell.is-compact .site-nav {
  width: min(470px, calc(100% - 32px));
  min-height: 58px;
  padding: 7px 8px 7px 14px;
  border-radius: 19px;
  box-shadow: 0 16px 48px rgba(25, 54, 47, .13);
}

.nav-shell.is-compact .brand > span:last-child,
.nav-shell.is-compact .nav-link:not(.is-current) {
  max-width: 0;
  padding-inline: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px);
}

.nav-shell.is-compact .nav-link {
  min-height: 42px;
  padding: 11px 14px;
  color: var(--ink);
}

.nav-shell.is-scrolling-down .site-nav {
  transform: translateY(-3px) scale(.992);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px) scale(.995);
  transition: opacity 820ms ease, transform 900ms var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Shared typography */

.model-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 680;
  letter-spacing: .04em;
}

.model-label span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px var(--signal-soft);
}

.section-number,
.panel-number {
  color: var(--aqua);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
}

.primary-button {
  min-height: 54px;
  padding-inline: 22px;
  border-radius: 16px;
  font-size: .94rem;
}

.secondary-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 11px;
  color: var(--ink-soft);
  font-size: .92rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 180ms ease;
}

.secondary-link span {
  transition: transform 180ms ease;
}

.secondary-link:hover span {
  transform: translateX(4px);
}

.secondary-link:hover {
  color: var(--aqua);
}

/* Home */

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
  gap: clamp(40px, 7vw, 96px);
  min-height: 100svh;
  padding-top: 152px;
  padding-bottom: 88px;
  align-items: center;
}

.hero-message h1,
.lab-hero h1,
.guide-hero h1 {
  margin-bottom: 28px;
  font-size: clamp(4rem, 8.1vw, 7.8rem);
  font-weight: 650;
  letter-spacing: -.072em;
  line-height: .93;
}

.hero-message h1 em,
.lab-hero h1 em,
.guide-hero h1 em {
  color: var(--aqua);
  font-style: normal;
  font-weight: 440;
}

.hero-message h1 em {
  white-space: nowrap;
}

.hero-lede {
  max-width: 600px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.sonar-stage {
  position: relative;
  display: grid;
  min-height: 540px;
  padding: 38px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 44%, var(--aqua-soft), transparent 36%),
    linear-gradient(145deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow);
  isolation: isolate;
  transition: transform 500ms var(--ease), box-shadow 500ms ease;
}

.sonar-stage:hover {
  transform: translateY(-6px) rotate(.25deg);
  box-shadow: 0 34px 100px rgba(25, 54, 47, .16);
}

.sonar-stage::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  opacity: .42;
  content: "";
  mask-image: radial-gradient(circle, black, transparent 72%);
}

.sonar-halo {
  position: relative;
  display: grid;
  width: min(340px, 74vw);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: radial-gradient(circle, var(--aqua-soft), transparent 62%);
}

.sonar-halo > i {
  position: absolute;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.sonar-halo > i:nth-child(1) {
  inset: 17%;
}

.sonar-halo > i:nth-child(2) {
  inset: 33%;
}

.sonar-halo > i:nth-child(3) {
  inset: 44%;
}

.sonar-core {
  position: relative;
  z-index: 2;
  width: 18px;
  height: 18px;
  border: 5px solid var(--surface-strong);
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 12px var(--signal-soft), 0 0 42px var(--aqua);
}

.sonar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 72%, var(--aqua-soft) 92%, transparent 100%);
  animation: sonar-sweep 7s linear infinite;
}

.sonar-readout {
  position: absolute;
  right: 28px;
  bottom: 24px;
  left: 28px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .66rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-stats {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.stat-row > div {
  display: flex;
  min-height: 128px;
  align-items: baseline;
  gap: 14px;
  padding: 36px 5vw;
  border-right: 1px solid var(--line);
}

.stat-row > div:first-child {
  padding-left: 0;
}

.stat-row > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.stat-row strong {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  font-weight: 580;
  letter-spacing: -.06em;
}

.stat-row span {
  max-width: 110px;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.35;
}

.home-section {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(56px, 9vw, 130px);
  padding-block: clamp(100px, 13vw, 180px);
}

.section-intro {
  align-self: start;
}

.section-intro h2,
.final-cta h2 {
  margin-bottom: 24px;
  font-size: clamp(2.7rem, 5.2vw, 5.3rem);
  font-weight: 560;
  letter-spacing: -.065em;
  line-height: .98;
}

.section-intro > p:last-child {
  max-width: 360px;
  color: var(--muted);
  line-height: 1.65;
}

.path-list {
  border-top: 1px solid var(--line-strong);
}

.path-list article {
  display: grid;
  grid-template-columns: 90px minmax(200px, .8fr) 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: padding 320ms var(--ease), background-color 240ms ease;
}

.path-list article > span {
  color: var(--aqua);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.path-list h3 {
  margin-bottom: 0;
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-weight: 580;
  letter-spacing: -.035em;
  transition: color 220ms ease, transform 280ms var(--ease);
}

.path-list p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
  transition: color 220ms ease, transform 280ms var(--ease);
}

.path-list article:hover h3 {
  color: var(--aqua);
  transform: translateX(6px);
}

.path-list article:hover {
  padding-inline: 10px;
  background: linear-gradient(90deg, var(--aqua-soft), transparent 72%);
}

.path-list article:hover p {
  color: var(--ink-soft);
  transform: translateX(3px);
}

.process-section {
  border-top: 1px solid var(--line);
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 22px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 320ms var(--ease), background-color 240ms ease;
}

.process-list li > span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--aqua);
  font-size: .72rem;
  font-weight: 700;
}

.process-list h3 {
  margin-bottom: 8px;
  font-size: 1.35rem;
  font-weight: 580;
  letter-spacing: -.03em;
}

.process-list p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.process-list li:hover {
  padding-inline: 10px;
  background: linear-gradient(90deg, var(--signal-soft), transparent 72%);
}

.process-list li > span {
  transition: color 220ms ease, background-color 220ms ease, transform 300ms var(--ease);
}

.process-list li:hover > span {
  color: var(--signal-ink);
  background: var(--signal);
  transform: rotate(-5deg);
}

.final-cta {
  display: flex;
  min-height: 450px;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 80px;
  padding: clamp(48px, 7vw, 88px);
  overflow: hidden;
  border-radius: var(--radius-xl);
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 0%, var(--signal-soft), transparent 36%),
    var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.final-cta > div > p {
  color: var(--muted);
}

.final-cta h2 {
  margin-bottom: 0;
}

.orb-link {
  display: flex;
  flex: 0 0 auto;
  width: 190px;
  aspect-ratio: 1;
  padding: 34px;
  align-items: center;
  justify-content: space-between;
  border-radius: 50%;
  color: var(--signal-ink);
  background: var(--signal);
  font-weight: 720;
  text-decoration: none;
  box-shadow: 0 0 0 18px var(--signal-soft);
  transition: transform 280ms var(--ease), box-shadow 280ms ease;
}

.orb-link:hover {
  transform: rotate(-4deg) scale(1.035);
  box-shadow: 0 0 0 28px var(--signal-soft);
}

/* Lab */

.lab-hero {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 60px;
  min-height: 530px;
  padding-top: 158px;
  padding-bottom: 68px;
  align-items: end;
}

.lab-hero h1 {
  margin-bottom: 0;
  font-size: clamp(3.8rem, 7.5vw, 7.2rem);
}

.lab-hero > p {
  max-width: 430px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr);
  gap: 18px;
}

.panel,
.launch-panel {
  min-width: 0;
  padding: clamp(26px, 3vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: border-color 240ms ease, box-shadow 360ms ease, transform 420ms var(--ease);
}

.panel:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.composer {
  grid-row: span 2;
}

.controls-panel {
  grid-column: 1;
}

.launch-panel {
  grid-column: 2;
  display: flex;
  min-height: 310px;
  flex-direction: column;
  justify-content: space-between;
  gap: 26px;
  color: var(--signal-ink);
  background:
    radial-gradient(circle at 95% 10%, rgba(255, 255, 255, .35), transparent 38%),
    var(--signal);
  border-color: transparent;
}

.launch-panel:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 58px var(--signal-soft);
}

.launch-panel .model-label,
.launch-panel .status {
  color: rgba(18, 32, 24, .72);
}

.launch-panel .model-label span {
  background: var(--signal-ink);
  box-shadow: 0 0 0 5px rgba(18, 32, 24, .1);
}

.launch-copy {
  max-width: 46ch;
  line-height: 1.6;
}

.panel-head,
.results-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
  align-items: start;
}

.panel-head > div,
.results-head > div {
  display: flex;
  align-items: baseline;
  gap: 13px;
}

.panel-head h2,
.results-head h2 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  font-weight: 580;
  letter-spacing: -.04em;
}

.panel-head output,
.results-head p {
  color: var(--muted);
  font-size: .72rem;
}

.preset-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip,
.tag,
.text-button {
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
}

.chip {
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 99px;
  font-size: .78rem;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.chip:hover,
.chip.active {
  border-color: var(--aqua);
  color: var(--ink);
  background: var(--aqua-soft);
}

.chip:active {
  transform: scale(.97);
}

textarea,
input[type="text"],
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface-strong);
}

textarea {
  resize: vertical;
  padding: 17px;
  line-height: 1.65;
}

textarea::placeholder,
input::placeholder {
  color: var(--muted);
  opacity: .78;
}

#text {
  min-height: 330px;
  margin: 18px 0;
  border-color: var(--line);
  box-shadow: inset 3px 0 0 var(--aqua);
  font-size: clamp(1.05rem, 1.45vw, 1.2rem);
}

.tag-row {
  align-items: center;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .68rem;
}

.tag {
  min-height: 32px;
  padding: 5px 9px;
  border-radius: 9px;
  font-size: .67rem;
}

.tag:hover {
  border-color: var(--aqua);
  color: var(--aqua);
}

.text-button {
  min-height: 32px;
  padding: 4px 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  font-size: .73rem;
}

.text-button:hover {
  color: var(--aqua);
}

.voice-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-soft);
}

.voice-tabs label {
  min-width: 0;
  cursor: pointer;
}

.voice-tabs input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.voice-tabs span {
  display: grid;
  min-height: 44px;
  padding: 8px;
  place-items: center;
  border-radius: 10px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 600;
  text-align: center;
  transition: color 180ms ease, background-color 180ms ease, box-shadow 180ms ease, transform 180ms var(--ease);
}

.voice-tabs label:hover span {
  color: var(--ink);
  transform: translateY(-1px);
}

.voice-tabs input:checked + span {
  color: var(--ink);
  background: var(--surface-strong);
  box-shadow: 0 3px 14px rgba(10, 30, 25, .09);
}

.voice-tabs input:focus-visible + span {
  outline: 3px solid var(--aqua);
  outline-offset: 2px;
}

.voice-content {
  min-height: 198px;
  padding-top: 28px;
}

.voice-mode label,
.control-grid label > span:first-child {
  display: block;
  margin-bottom: 9px;
  color: var(--ink-soft);
  font-size: .76rem;
  font-weight: 620;
}

.voice-mode select,
.voice-mode input[type="text"],
.control-grid select {
  min-height: 48px;
  padding: 10px 13px;
}

.voice-mode textarea {
  margin-bottom: 16px;
}

.voice-mode input[type="file"] {
  width: 100%;
  min-height: 44px;
  margin-bottom: 5px;
  color: var(--muted);
}

.mode-title {
  margin-bottom: 7px;
  font-size: 1.12rem;
  font-weight: 580;
}

.field-note {
  color: var(--muted);
  font-size: .74rem;
  line-height: 1.5;
}

.consent {
  display: flex !important;
  gap: 10px;
  align-items: start;
  cursor: pointer;
  line-height: 1.45;
}

.consent input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--aqua);
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 25px 28px;
}

.range-control > span {
  display: flex !important;
  justify-content: space-between;
}

.range-control output {
  color: var(--aqua);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  height: 5px;
  accent-color: var(--aqua);
}

details {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

summary {
  min-height: 50px;
  padding: 17px 0;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 620;
  cursor: pointer;
  transition: color 180ms ease;
}

summary:hover {
  color: var(--aqua);
}

.variation {
  padding-top: 8px;
}

.generate-button {
  display: flex;
  width: 100%;
  min-height: 62px;
  padding: 15px 18px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--signal-ink);
  border-radius: 14px;
  color: var(--signal-ink);
  background: transparent;
  font-weight: 740;
  transition: color 180ms ease, background-color 180ms ease, transform 180ms var(--ease);
}

.generate-button:hover {
  color: var(--signal);
  background: var(--signal-ink);
  transform: translateY(-2px);
}

.generate-button:disabled {
  cursor: wait;
  opacity: .62;
  transform: none;
}

.button-bars i {
  background: currentColor;
}

.generate-button.loading .button-bars i {
  animation: meter .55s ease-in-out infinite alternate;
}

.generate-button.loading .button-bars i:nth-child(2) {
  animation-delay: -.18s;
}

.generate-button.loading .button-bars i:nth-child(3) {
  animation-delay: -.35s;
}

.status {
  min-height: 1.4em;
  margin-bottom: 0;
  font-size: .7rem;
  line-height: 1.4;
}

.status.error {
  color: #7e2017;
  font-weight: 700;
}

.results {
  padding: 110px 0 130px;
  scroll-margin-top: 120px;
}

.results-head {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.result-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.empty-results {
  grid-column: 1 / -1;
  min-height: 230px;
  padding: 68px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  color: var(--muted);
  background: var(--surface);
  text-align: center;
}

.empty-results span {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.empty-results p {
  margin: 12px 0 0;
}

.take {
  position: relative;
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  animation: enter 420ms var(--ease) both;
  transition: border-color 240ms ease, transform 340ms var(--ease), box-shadow 340ms ease;
}

.take:hover {
  border-color: var(--aqua);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.take-number {
  display: block;
  margin-bottom: 23px;
  color: var(--aqua);
  font-size: .68rem;
  letter-spacing: .12em;
}

.take blockquote {
  min-height: 100px;
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: .94rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.take-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 0 22px;
  padding: 14px 0;
  border-block: 1px solid var(--line);
}

.take-stats div {
  min-width: 0;
  padding-right: 8px;
}

.take-stats dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: .61rem;
}

.take-stats dd {
  margin: 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .74rem;
  font-variant-numeric: tabular-nums;
}

.take audio {
  width: 100%;
  height: 38px;
  margin-bottom: 17px;
}

.take-foot {
  display: flex;
  min-width: 0;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  font-size: .66rem;
}

.take-foot span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.take-foot a {
  flex: 0 0 auto;
  color: var(--aqua);
  font-weight: 700;
}

/* Guide */

.guide-hero {
  max-width: 920px;
  min-height: 620px;
  padding-top: 172px;
  padding-bottom: 82px;
}

.guide-hero h1 {
  font-size: clamp(4.2rem, 8.5vw, 8rem);
}

.guide-hero > p:last-child {
  max-width: 580px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.6;
}

.guide-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(50px, 9vw, 130px);
  padding-bottom: 140px;
  align-items: start;
}

.guide-index {
  position: sticky;
  top: 120px;
}

.guide-index > p {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 650;
}

.guide-index nav {
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
  border-top: 1px solid var(--line);
}

.guide-index nav a {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: .84rem;
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}

.guide-index nav a:focus-visible {
  color: var(--aqua);
  transform: translateX(4px);
}

.guide-index nav a:hover {
  color: var(--aqua);
  transform: translateX(4px);
}

.compact-button {
  width: 100%;
  min-height: 48px;
}

.guide-content {
  min-width: 0;
}

.guide-content > section {
  padding: 28px 0 100px;
  border-top: 1px solid var(--line-strong);
  scroll-margin-top: 120px;
}

.guide-content h2 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(2.2rem, 4.5vw, 4.2rem);
  font-weight: 560;
  letter-spacing: -.06em;
  line-height: 1;
}

.guide-content h3 {
  font-weight: 590;
  letter-spacing: -.025em;
}

.guide-content > section > p:not(.section-number) {
  max-width: 720px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.guide-content .lead {
  font-size: clamp(1.08rem, 1.7vw, 1.3rem);
}

.guide-steps {
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.guide-steps li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.guide-steps li > span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  color: var(--signal-ink);
  background: var(--signal);
  font-size: .78rem;
  font-weight: 750;
}

.guide-steps h3 {
  margin-bottom: 7px;
  font-size: 1.18rem;
}

.guide-steps p {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.guide-table-wrap {
  margin: 40px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--surface);
}

th,
td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

tbody tr {
  transition: background-color 180ms ease;
}

tbody tr:hover {
  background: var(--aqua-soft);
}

th {
  color: var(--muted);
  font-size: .7rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

td {
  color: var(--ink-soft);
  font-size: .88rem;
}

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

td:first-child {
  color: var(--ink);
  font-weight: 650;
}

.callout {
  max-width: 760px;
  padding: 26px;
  border-left: 4px solid var(--signal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--signal-soft);
}

.callout strong {
  display: block;
  margin-bottom: 7px;
}

.callout p {
  margin-bottom: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.scenario-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: border-color 220ms ease, background-color 220ms ease, transform 280ms var(--ease), box-shadow 280ms ease;
}

.scenario-grid article:hover {
  border-color: var(--aqua);
  transform: translateY(-5px);
  box-shadow: var(--shadow-soft);
}

.scenario-grid article > span {
  display: block;
  margin-bottom: 38px;
  color: var(--aqua);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .68rem;
}

.scenario-grid h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.scenario-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.55;
}

code {
  padding: .14em .38em;
  border-radius: 6px;
  color: var(--aqua);
  background: var(--aqua-soft);
  font-size: .84em;
}

pre {
  max-width: 820px;
  margin: 28px 0;
  padding: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink-soft);
  background: var(--surface);
  font-size: .8rem;
  line-height: 1.7;
  transition: border-color 220ms ease, box-shadow 320ms ease;
}

pre:hover {
  border-color: var(--aqua);
  box-shadow: var(--shadow-soft);
}

pre code {
  padding: 0;
  color: inherit;
  background: none;
  font-size: inherit;
}

/* About */

.about-hero,
.cases-hero {
  min-height: 680px;
  padding-top: 174px;
  padding-bottom: 94px;
}

.about-hero h1,
.cases-hero h1 {
  max-width: 1080px;
  margin-bottom: 34px;
  font-size: clamp(4rem, 8.4vw, 8.2rem);
  font-weight: 630;
  letter-spacing: -.075em;
  line-height: .92;
}

.about-hero h1 em,
.cases-hero h1 em {
  color: var(--aqua);
  font-style: normal;
  font-weight: 430;
}

.about-hero > p:last-child,
.cases-hero > p:last-child {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
  line-height: 1.62;
}

.about-statement {
  padding-block: clamp(90px, 13vw, 170px);
  color: var(--signal-ink);
  background: var(--signal);
}

.about-statement blockquote {
  max-width: 1040px;
  margin: 34px 0 0;
  font-size: clamp(2.7rem, 6vw, 6.2rem);
  font-weight: 560;
  letter-spacing: -.065em;
  line-height: 1;
}

.about-statement .section-number {
  color: rgba(18, 32, 24, .62);
}

.about-section {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: clamp(56px, 9vw, 130px);
  padding-block: clamp(100px, 13vw, 170px);
}

.about-section + .about-section {
  border-top: 1px solid var(--line);
}

.about-copy {
  max-width: 720px;
}

.about-copy p {
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.65;
}

.about-copy p + p {
  margin-top: 30px;
}

.value-list {
  border-top: 1px solid var(--line-strong);
}

.value-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 320ms var(--ease), background-color 240ms ease;
}

.value-list article:hover {
  padding-inline: 10px;
  background: linear-gradient(90deg, var(--aqua-soft), transparent 72%);
}

.value-list article > span {
  color: var(--aqua);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .69rem;
}

.value-list h3 {
  margin-bottom: 9px;
  font-size: 1.45rem;
}

.value-list p {
  max-width: 580px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.trust-band {
  margin-bottom: 120px;
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.trust-band .page-shell {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.trust-band .page-shell > div {
  min-height: 180px;
  padding: 46px 5vw;
  border-right: 1px solid var(--line);
}

.trust-band .page-shell > div:first-child {
  padding-left: 0;
}

.trust-band .page-shell > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.trust-band strong,
.trust-band span {
  display: block;
}

.trust-band strong {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.trust-band span {
  max-width: 220px;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.5;
}

/* Use cases */

.case-rail {
  border-top: 1px solid var(--line-strong);
}

.case-rail article {
  display: grid;
  grid-template-columns: 150px minmax(360px, 1.1fr) minmax(280px, .9fr);
  gap: clamp(30px, 6vw, 90px);
  padding: 70px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.case-index,
.case-prompt > span {
  color: var(--aqua);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.case-title {
  transition: transform 360ms var(--ease);
}

.case-title h2 {
  margin-bottom: 22px;
  font-size: clamp(2.3rem, 4.4vw, 4.6rem);
  font-weight: 560;
  letter-spacing: -.06em;
  line-height: 1;
}

.case-title p,
.case-prompt p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.62;
}

.case-prompt {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: border-color 220ms ease, transform 360ms var(--ease), box-shadow 360ms ease;
}

.case-prompt > span {
  display: block;
  margin-bottom: 28px;
}

.case-prompt p {
  color: var(--ink-soft);
  font-size: .92rem;
}

.case-rail article:hover .case-title {
  transform: translateX(7px);
}

.case-rail article:hover .case-prompt {
  border-color: var(--aqua);
  transform: translateY(-7px) rotate(.35deg);
  box-shadow: var(--shadow-soft);
}

.case-matrix {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(56px, 9vw, 130px);
  padding-block: clamp(110px, 14vw, 190px);
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.matrix-grid article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: color 220ms ease, background-color 220ms ease, transform 300ms var(--ease), box-shadow 300ms ease;
}

.matrix-grid article:hover {
  color: var(--signal-ink);
  background: var(--signal);
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.matrix-grid article > span {
  display: block;
  margin-bottom: 74px;
  color: var(--aqua);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: .68rem;
}

.matrix-grid article:hover > span,
.matrix-grid article:hover p {
  color: rgba(18, 32, 24, .68);
}

.matrix-grid h3 {
  margin-bottom: 9px;
  font-size: 1.32rem;
}

.matrix-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: .87rem;
  line-height: 1.5;
}

/* Footer */

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 40px;
  min-height: 160px;
  padding-block: 44px;
  border-top: 1px solid var(--line);
  align-items: start;
}

.footer-brand {
  align-self: start;
}

.site-footer p {
  max-width: 440px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.55;
}

.site-footer nav {
  display: flex;
  gap: 18px;
}

.site-footer nav a {
  color: var(--muted);
  font-size: .78rem;
  text-decoration: none;
  transition: color 180ms ease, transform 220ms var(--ease);
}

.site-footer nav a:hover {
  color: var(--aqua);
  transform: translateY(-2px);
}

@keyframes sonar-sweep {
  to {
    transform: rotate(360deg);
  }
}

@keyframes meter {
  to {
    height: 25%;
  }
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
}

@keyframes menu-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
}

@media (max-width: 980px) {
  :root {
    --page: min(100% - 36px, 1220px);
  }

  .home-hero {
    grid-template-columns: 1fr;
    padding-top: 170px;
  }

  .hero-message {
    max-width: 800px;
  }

  .sonar-stage {
    min-height: 500px;
  }

  .home-section {
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .section-intro > p:last-child {
    max-width: 600px;
  }

  .lab-hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
    padding-top: 180px;
  }

  .lab-hero > p {
    margin-left: auto;
  }

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

  .composer,
  .controls-panel,
  .launch-panel {
    grid-column: 1;
    grid-row: auto;
  }

  .result-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 48px;
  }

  .about-section,
  .case-matrix {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .case-rail article {
    grid-template-columns: 110px 1fr;
  }

  .case-prompt {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  :root {
    --page: calc(100% - 28px);
    --radius-xl: 28px;
    --radius-lg: 22px;
  }

  html {
    scroll-padding-top: 100px;
  }

  .nav-shell {
    top: 12px;
  }

  .site-nav,
  .nav-shell.is-compact .site-nav {
    width: calc(100% - 24px);
    min-height: 60px;
    padding: 7px 8px 7px 14px;
    border-radius: 19px;
    animation: none;
  }

  .nav-shell.is-compact .brand > span:last-child {
    display: inline;
    max-width: 110px;
    padding-inline: 0;
    opacity: 1;
    transform: none;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .brand {
    margin-right: auto;
  }

  .home-hero {
    gap: 56px;
    min-height: auto;
    padding-top: 146px;
    padding-bottom: 74px;
  }

  .hero-message h1,
  .lab-hero h1,
  .guide-hero h1 {
    font-size: clamp(3.25rem, 15.5vw, 5.5rem);
    letter-spacing: -.066em;
  }

  .sonar-stage {
    min-height: 410px;
    padding: 24px;
  }

  .signal-stats {
    border-block: 0;
    background: transparent;
  }

  .stat-row {
    grid-template-columns: 1fr;
    border-top: 1px solid var(--line);
  }

  .stat-row > div,
  .stat-row > div:first-child,
  .stat-row > div:last-child {
    min-height: 96px;
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .home-section {
    padding-block: 96px;
  }

  .path-list article {
    grid-template-columns: 60px 1fr;
    gap: 14px;
  }

  .path-list article p {
    grid-column: 2;
  }

  .final-cta {
    min-height: 540px;
    flex-direction: column;
    align-items: start;
    justify-content: space-between;
    margin-bottom: 56px;
    padding: 38px 28px;
  }

  .orb-link {
    width: 155px;
    align-self: end;
    padding: 27px;
  }

  .lab-hero {
    padding-top: 150px;
    padding-bottom: 64px;
  }

  .lab-hero > p {
    margin-left: 0;
  }

  .panel,
  .launch-panel {
    padding: 24px 19px;
  }

  .voice-tabs {
    grid-template-columns: repeat(2, 1fr);
  }

  .control-grid,
  .result-list {
    grid-template-columns: 1fr;
  }

  .results {
    padding: 82px 0 100px;
  }

  .results-head {
    flex-direction: column;
  }

  .guide-hero {
    min-height: 620px;
    padding-top: 160px;
  }

  .about-hero,
  .cases-hero {
    min-height: 650px;
    padding-top: 160px;
    padding-bottom: 90px;
  }

  .about-hero h1,
  .cases-hero h1 {
    font-size: clamp(3.25rem, 15vw, 5.5rem);
  }

  .about-statement blockquote {
    font-size: clamp(2.5rem, 11vw, 4.3rem);
  }

  .trust-band {
    margin-bottom: 90px;
  }

  .trust-band .page-shell {
    grid-template-columns: 1fr;
  }

  .trust-band .page-shell > div,
  .trust-band .page-shell > div:first-child,
  .trust-band .page-shell > div:last-child {
    min-height: 130px;
    padding: 30px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-band .page-shell > div:last-child {
    border-bottom: 0;
  }

  .case-rail article {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 58px 0;
  }

  .case-prompt {
    grid-column: 1;
  }

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

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .guide-index {
    position: static;
  }

  .guide-index nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-index nav a:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .guide-index nav a {
    padding: 13px 10px;
  }

  .compact-button {
    width: auto;
  }

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

  .site-footer {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .site-footer nav {
    flex-wrap: wrap;
  }
}

@media (max-width: 420px) {
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-link {
    width: 100%;
  }

  .secondary-link {
    justify-content: center;
  }

  .panel-head {
    flex-direction: column;
    gap: 12px;
  }

  .panel-head .text-button {
    align-self: start;
  }

  .tag-row > span {
    width: 100%;
  }

  .take-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .matrix-grid article {
    min-height: 220px;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: rgba(16, 32, 29, .3);
    --line-strong: rgba(16, 32, 29, .5);
  }

  :root[data-theme="dark"] {
    --line: rgba(237, 245, 242, .3);
    --line-strong: rgba(237, 245, 242, .5);
  }

  .site-nav,
  .mobile-menu {
    background: var(--surface-strong);
    backdrop-filter: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .nav-shell.is-compact .site-nav {
    animation: none;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}