:root {
  --bg: #050608;
  --bg-soft: #0a0e11;
  --bg-panel: #0e1418;
  --ink: #f4f7f8;
  --muted: #b3bdc3;
  --dim: #839099;
  --line: rgba(232, 242, 245, 0.17);
  --line-strong: rgba(232, 242, 245, 0.32);
  --cyan: #d6f5fb;
  --cyan-strong: #9edce8;
  --cyan-ink: #071014;
  --warm: #dfc4a2;
  --radius: 16px;
  color-scheme: dark;
}

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

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a,
button,
input,
textarea {
  color: inherit;
  font: inherit;
}

a {
  text-decoration: none;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
}

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

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 20;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 999px;
  background: var(--cyan);
  color: var(--cyan-ink);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 180ms ease-out;
}

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

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 27px clamp(22px, 5.2vw, 76px);
}

.brand {
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2.7vw, 42px);
  margin-left: auto;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.desktop-nav a,
.footer-follow a {
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.38em;
  transition: color 180ms ease-out, text-decoration-color 180ms ease-out;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.footer-follow a:hover,
.footer-follow a:focus-visible {
  color: var(--ink);
  text-decoration-color: currentColor;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 23px;
  background: var(--ink);
  color: var(--cyan-ink);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
  transition: background-color 180ms ease-out, border-color 180ms ease-out, color 180ms ease-out, transform 180ms ease-out;
}

.button:hover {
  transform: translateY(-2px);
  background: #fff;
}

.button:active {
  transform: translateY(0);
}

.button--compact {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 0.75rem;
}

.button--primary {
  background: var(--cyan);
}

.button--primary:hover {
  background: #effcff;
}

.button--soft {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.button--soft:hover {
  border-color: var(--cyan-strong);
  background: rgba(214, 245, 251, 0.1);
  color: var(--cyan);
}

.button--wide {
  width: 100%;
}

.text-link,
.text-button {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: underline;
  text-decoration-color: rgba(214, 245, 251, 0.3);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.45em;
  transition: color 180ms ease-out, text-decoration-color 180ms ease-out;
}

.text-link span {
  display: inline-block;
  margin-left: 0.5em;
  color: var(--cyan-strong);
  transition: transform 180ms ease-out;
}

.text-link:hover,
.text-link:focus-visible,
.text-button:hover,
.text-button:focus-visible {
  color: var(--ink);
  text-decoration-color: currentColor;
}

.text-link:hover span {
  transform: translate(2px, -2px);
}

.text-button {
  padding: 6px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(5, 6, 8, 0.38);
}

.menu-toggle span {
  display: block;
  width: 15px;
  height: 1px;
  background: var(--ink);
  transition: transform 180ms ease-out;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 9;
  overflow-y: auto;
  background: rgba(5, 6, 8, 0.97);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu__inner {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  padding: 120px 28px 40px;
}

.mobile-menu__inner > a:not(.button) {
  font-size: clamp(1.9rem, 9vw, 3.1rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.menu-label,
.footer-label,
.section-index {
  margin: 0;
  color: var(--cyan-strong);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero {
  position: relative;
  display: flex;
  min-height: max(620px, 100svh);
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  background: var(--bg);
}

.hero-media,
.hero-media picture,
.hero-media img,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  z-index: -3;
  overflow: hidden;
}

.hero-media img {
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(3, 5, 8, 0.2) 0%, rgba(3, 5, 8, 0.02) 40%, rgba(3, 5, 8, 0.15) 57%, var(--bg) 100%),
    linear-gradient(90deg, rgba(3, 5, 8, 0.05) 15%, rgba(3, 5, 8, 0.02) 45%, rgba(3, 5, 8, 0.77) 100%);
}

.hero-copy {
  width: min(440px, 37vw);
  margin: 0 clamp(22px, 5.2vw, 76px) clamp(56px, 8vh, 88px) auto;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.hero-description {
  max-width: 30ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.hero-note {
  margin: 10px 0 0;
  color: var(--dim);
  font-size: 0.82rem;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
}

.section {
  width: min(100% - 48px, 1340px);
  margin: 0 auto;
  padding: clamp(64px, 7vw, 88px) 0;
}

.section h2 {
  max-width: 18ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.section__copy > p:not(.section-index),
.mechanism__heading > p:not(.section-index),
.development__copy > p:not(.section-index),
.use-cases__heading > p:not(.section-index),
.reservation__intro > p:not(.section-index),
.build__copy > p:not(.section-index) {
  max-width: 58ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.promise {
  display: block;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.module-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.module-selector-option {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  background: transparent;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 180ms ease-out, background-color 180ms ease-out, color 180ms ease-out;
}

.module-selector-option:hover,
.module-selector-option:focus-visible {
  border-color: var(--line-strong);
  color: var(--ink);
}

.module-selector-option[aria-pressed="true"] {
  border-color: var(--cyan-strong);
  background: var(--cyan);
  color: var(--cyan-ink);
}

.module-selector-more {
  display: inline-block;
}

.module-showcase {
  margin: 0;
}

.module-showcase__frame {
  position: relative;
  overflow: hidden;
  height: auto;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  background: #0b0e10;
}

.module-showcase-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 420ms ease;
}

.module-showcase-image[aria-hidden="false"] {
  opacity: 1;
}

.module-showcase-image[aria-hidden="true"] {
  pointer-events: none;
}

.module-showcase figcaption,
.prototype-gallery figcaption,
.build__visual figcaption {
  margin-top: 13px;
  color: var(--dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mechanism {
  width: min(100% - 48px, 1100px);
  border-top: 1px solid var(--line);
}

.mechanism__heading {
  display: block;
}

.mechanism__heading > p:last-child {
  margin: 10px 0 0;
}

.mechanism-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 48px;
  margin: clamp(32px, 4vw, 48px) auto 0;
}

.module-panel,
.insertion-panel {
  min-width: 0;
}

.module-panel {
  width: 100%;
  max-width: 960px;
  margin-inline: auto;
}

.mechanism-sequence__frame {
  position: relative;
  width: min(100%, 640px);
  height: auto;
  margin: 0 auto;
  overflow: hidden;
  border: 0;
  background: transparent;
  aspect-ratio: 3 / 4;
}

.mechanism-video {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: transparent;
}

.module-panel__footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.module-panel .module-selector {
  flex: 1 1 360px;
  margin-top: 0;
}

.module-panel .module-selector-option {
  min-height: 44px;
}

.module-panel .module-selector-more {
  flex: 0 0 auto;
  margin: 0;
  white-space: nowrap;
}

.mechanism-sequence__controls {
  display: flex;
  width: min(100%, 640px);
  gap: 8px;
  margin: 12px auto 0;
  padding-top: 0;
  border-top: 0;
}

.mechanism-video-control {
  flex: 1 1 0;
  min-width: 0;
  max-width: 220px;
  min-height: 44px;
  padding-inline: 10px;
  font-size: 14px;
  letter-spacing: 0;
  text-transform: none;
}

.mechanism-video-control:first-child {
  flex-grow: 1.7;
}

.mechanism-sequence__footer {
  display: flex;
  width: min(100%, 640px);
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 10px auto 0;
}

.mechanism-caption {
  margin: 0;
  min-width: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.mechanism-video-link {
  flex: 0 0 auto;
  margin-top: 0;
  white-space: nowrap;
}

.insertion-panel {
  width: 100%;
  max-width: 800px;
  margin-inline: auto;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.insertion-panel__title {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.development {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1.45fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.development__copy {
  min-width: 0;
}

.development__copy h2 {
  max-width: 10ch;
}

.prototype-gallery {
  display: grid;
  width: 100%;
  max-width: 560px;
  justify-self: end;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.prototype-gallery figure {
  margin: 0;
}

.prototype-gallery img {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  border: 1px solid var(--line);
}

.facts-list {
  margin: 0;
}

.facts-list div {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.facts-list div:last-child {
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.5;
}

.use-cases {
  display: block;
  border-top: 1px solid var(--line);
}

.use-cases__gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
  margin: clamp(28px, 3.5vw, 40px) 0 0;
}

.use-cases__gallery figure {
  min-width: 0;
  margin: 0;
}

.use-cases__frame {
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.use-cases__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

.use-cases__gallery figcaption {
  margin-top: 12px;
  color: var(--dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.3;
}

@media (max-width: 1000px) {
  .use-cases__gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .use-cases__gallery {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
}

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

.facts__heading {
  display: block;
}

.facts__heading h2 {
  margin: 0;
}

.facts__grid {
  display: block;
  margin-top: 28px;
}

.reservation {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.reservation__intro h2 {
  max-width: 12ch;
}

.launch-status {
  border-top: 1px solid var(--line);
}

.launch-status__copy {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  align-items: baseline;
  gap: 20px 48px;
}

.launch-status h2 {
  grid-row: span 3;
}

.launch-status__stage,
.launch-status__copy > p:not(.launch-status__stage) {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

.launch-status__stage {
  color: var(--ink);
  font-weight: 600;
}

.launch-status__stage span {
  padding-inline: 8px;
  color: var(--cyan-strong);
}

.launch-status__survey {
  color: var(--dim) !important;
  font-size: 0.86rem !important;
}

.reservation__surface {
  min-width: 0;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg-panel);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.32);
}

.field {
  display: grid;
  gap: 10px;
}

.field label {
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 180ms ease-out, background-color 180ms ease-out;
}

.field input {
  min-height: 52px;
  padding: 0 15px;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
  padding: 13px 15px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #9aa8ae;
  opacity: 1;
}

.field input:hover,
.field textarea:hover,
.field input:focus,
.field textarea:focus {
  border-color: var(--cyan-strong);
  background: rgba(214, 245, 251, 0.05);
  outline: 0;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #efaa9d;
}

.honeypot,
.feedback-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.reservation-form .button--wide {
  margin-top: 22px;
}

.form-notice,
.prototype-note {
  margin: 17px 0 0;
  color: var(--dim);
  font-size: 0.75rem;
  line-height: 1.7;
}

.form-notice a,
.footer-legal a {
  color: var(--cyan-strong);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.form-status {
  min-height: 1.4em;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
}

.form-status.is-error,
.direction-feedback.is-error {
  color: #ffb5a6;
}

.reservation-success[hidden],
.intent-panel[hidden],
.reservation-actions[hidden] {
  display: none;
}

.intent-reopen[hidden] {
  display: none;
}

.success-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin: 0;
  border: 1px solid var(--cyan-strong);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 1.1rem;
}

.reservation-success h3 {
  margin: 20px 0 0;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.reservation-success > p:not(.success-mark) {
  max-width: 50ch;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.intent-panel {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.intent-panel__heading h4 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.intent-panel__heading h4 span {
  margin-left: 8px;
  color: var(--cyan-strong);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.intent-panel__heading p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.intent-form {
  margin-top: 24px;
}

.intent-form fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 20px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.intent-form fieldset:last-of-type {
  border-bottom: 1px solid var(--line);
}

.intent-form legend {
  grid-column: 1 / -1;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.5;
}

.intent-form label {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.35;
  transition: border-color 180ms ease-out, color 180ms ease-out, background-color 180ms ease-out;
}

.intent-form label:hover,
.intent-form label:has(input:focus-visible) {
  border-color: var(--line-strong);
  color: var(--ink);
}

.intent-form label:has(input:checked) {
  border-color: var(--cyan-strong);
  background: rgba(214, 245, 251, 0.08);
  color: var(--ink);
}

.intent-form input[type="radio"] {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  accent-color: var(--cyan-strong);
}

.intent-actions,
.reservation-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 17px;
  margin-top: 22px;
}

.reservation-actions {
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.share-status {
  flex-basis: 100%;
  min-height: 1.3em;
  color: var(--dim);
  font-size: 0.75rem;
}

.faq {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(48px, 8vw, 132px);
  border-top: 1px solid var(--line);
}

.faq__heading h2 {
  max-width: 8ch;
}

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

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

.faq summary,
.feedback-details summary {
  position: relative;
  display: flex;
  min-height: 67px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 34px 16px 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  list-style: none;
}

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

.faq summary::after,
.feedback-details summary::after {
  position: absolute;
  right: 4px;
  color: var(--cyan-strong);
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  transition: transform 180ms ease-out;
}

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

.faq details p {
  max-width: 58ch;
  margin: -3px 0 22px;
  padding-right: 28px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.75;
}

.build {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(24px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.build__copy h2 {
  max-width: 16ch;
}

.build__follow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 17px;
  margin-top: 26px;
}

.build__follow .footer-label {
  flex-basis: 100%;
  margin: 0;
}

.build__visual {
  margin: 0;
  min-width: 0;
  width: 100%;
  max-width: 560px;
  justify-self: end;
}

.build__visual img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.build > .feedback-details {
  grid-column: 1 / -1;
  width: 100%;
}

.feedback-details {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feedback-details__body {
  padding: 0 0 28px;
}

.direction-options {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.direction-option {
  position: relative;
  display: grid;
  grid-template-columns: minmax(140px, 0.55fr) minmax(0, 1fr);
  gap: 18px;
  width: 100%;
  min-height: 74px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 14px 30px 14px 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  transition: color 180ms ease-out, background-color 180ms ease-out;
}

.direction-option:hover,
.direction-option:focus-visible,
.direction-option[aria-pressed="true"] {
  color: var(--ink);
}

.direction-option[aria-pressed="true"] {
  background: rgba(214, 245, 251, 0.06);
}

.direction-label {
  font-size: 0.77rem;
  font-weight: 600;
}

.direction-description {
  font-size: 0.75rem;
  line-height: 1.55;
}

.direction-indicator {
  position: absolute;
  right: 4px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--dim);
  border-radius: 50%;
}

.direction-option[aria-pressed="true"] .direction-indicator {
  border-color: var(--cyan-strong);
  background: var(--cyan-strong);
}

.suggestion-form {
  display: grid;
  gap: 17px;
  margin-top: 24px;
}

.consent-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.6;
}

.consent-field input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--cyan-strong);
}

.consent-field[aria-invalid="true"] {
  color: #ffb5a6;
}

.form-actions {
  display: flex;
  justify-content: flex-start;
}

.direction-feedback {
  min-height: 1.4em;
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.55;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 50px;
  width: min(100% - 48px, 1340px);
  margin: 0 auto;
  padding: 58px 0 42px;
  border-top: 1px solid var(--line);
}

.site-footer .brand {
  margin: 0;
}

.site-footer p:not(.brand):not(.footer-label):not(.footer-legal) {
  max-width: 52ch;
  margin: 20px 0 0;
  color: var(--dim);
  font-size: 0.75rem;
  line-height: 1.7;
}

.footer-follow {
  display: flex;
  align-items: flex-start;
  gap: 22px;
}

.footer-label {
  margin-right: 7px;
  color: var(--dim);
}

.footer-follow a {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.footer-legal {
  grid-column: 1 / -1;
  margin: 22px 0 0;
  color: var(--dim);
  font-size: 0.75rem;
  line-height: 1.65;
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .site-header > .button {
    display: inline-flex;
    min-height: 39px;
    padding-inline: 14px;
    font-size: 0.75rem;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-copy {
    width: min(440px, 57vw);
  }

  .promise,
  .development,
  .use-cases,
  .reservation,
  .faq,
  .build {
    gap: 52px;
  }

}

@media (max-width: 720px) {
  html {
    scroll-behavior: smooth;
  }

  .site-header {
    padding: 20px 20px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .hero {
    display: block;
    min-height: 0;
    padding-top: 36svh;
  }

  .hero-media {
    height: 38svh;
  }

  .hero-media img {
    object-position: 42% center;
  }

  .hero-overlay {
    height: 100%;
    background: linear-gradient(180deg, rgba(3, 5, 8, 0.04) 0%, rgba(3, 5, 8, 0.08) 51%, var(--bg) 77%);
  }

  .hero-copy {
    width: auto;
    margin: 0;
    padding: 34px 22px 42px;
    background: var(--bg);
  }

  .hero h1 {
    font-size: clamp(2.35rem, 10.2vw, 3rem);
    line-height: 0.99;
  }

  .hero-description {
    margin-top: 14px;
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .hero-note {
    font-size: 0.8rem;
  }

  .hero-actions {
    gap: 15px;
    margin-top: 24px;
  }

  .hero-actions .button {
    min-height: 47px;
    padding-inline: 17px;
    font-size: 0.75rem;
  }

  .section {
    width: min(100% - 44px, 1340px);
    padding: 48px 0;
  }

  .section h2 {
    max-width: 18ch;
    margin-top: 0;
    font-size: clamp(1.75rem, 8.5vw, 2.4rem);
    line-height: 1.08;
  }

  .section__copy > p:not(.section-index),
  .mechanism__heading > p:not(.section-index),
  .development__copy > p:not(.section-index),
  .use-cases__heading > p:not(.section-index),
  .reservation__intro > p:not(.section-index),
  .build__copy > p:not(.section-index) {
    margin-top: 18px;
    font-size: 1rem;
    line-height: 1.6;
  }

  .promise,
  .development,
  .use-cases,
  .reservation,
  .faq,
  .build,
  .launch-status {
    display: block;
  }

  .mechanism__heading > p:last-child {
    margin-top: 10px;
  }

  .mechanism-panels {
    gap: 40px;
    margin-top: 28px;
  }

  .module-panel__footer {
    display: block;
  }

  .module-panel .module-selector {
    width: 100%;
  }

  .module-panel .module-selector-more {
    display: inline-block;
    margin-top: 10px;
  }

  .mechanism-sequence__frame {
    width: 100%;
    height: auto;
    margin: 0 auto;
    aspect-ratio: 3 / 4;
  }

  .mechanism-sequence__controls,
  .mechanism-sequence__footer {
    width: 100%;
  }

  .prototype-gallery {
    margin-top: 24px;
    gap: 8px;
  }

  .facts-list {
    margin-top: 0;
  }

  .facts-list div {
    grid-template-columns: minmax(118px, 0.47fr) minmax(0, 1fr);
    gap: 13px;
    padding: 13px 0;
  }

  .facts__heading {
    display: block;
  }

  .facts__heading h2 {
    margin-top: 0;
  }

  .facts__grid {
    display: block;
    margin-top: 24px;
  }

  .launch-status__copy {
    display: block;
  }

  .launch-status__copy > p {
    margin-top: 12px;
  }

  .launch-status__copy > .launch-status__stage {
    margin-top: 20px;
  }

  .reservation__surface {
    margin-top: 24px;
    padding: 23px 20px;
  }

  .intent-form fieldset {
    grid-template-columns: 1fr;
  }

  .intent-actions,
  .reservation-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .intent-actions .button,
  .reservation-actions .button {
    width: 100%;
  }

  .faq__list,
  .feedback-details {
    margin-top: 28px;
  }

  .build__visual {
    margin-top: 24px;
  }

  .faq summary,
  .feedback-details summary {
    min-height: 60px;
    font-size: 0.82rem;
  }

  .direction-option {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 15px 27px 15px 0;
  }

  .direction-description {
    max-width: 35ch;
  }

  .site-footer {
    display: block;
    width: min(100% - 44px, 1340px);
    padding: 45px 0 32px;
  }

  .build__follow,
  .footer-follow {
    flex-wrap: wrap;
    gap: 17px;
    margin-top: 33px;
  }

  .footer-label {
    flex-basis: 100%;
  }

  .footer-legal {
    margin-top: 35px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .mobile-menu,
  .menu-toggle,
  .field input,
  .field textarea {
    background: var(--bg-panel);
  }
}

@media (forced-colors: active) {
  .button,
  .module-selector-option,
  .direction-option,
  .field input,
  .field textarea,
  .reservation__surface {
    border: 1px solid CanvasText;
  }

  :focus-visible {
    outline: 2px solid Highlight;
  }
}

/* Readable controls and research questions across screen sizes. */
.button, .text-button, .text-link, .module-selector-option,
.field label, .intent-form legend, .intent-form label,
.faq summary, .feedback-details summary, .footer-follow a {
  font-size: 0.875rem;
}
.hero-description, .section__copy > p:not(.section-index),
.mechanism__heading > p:not(.section-index),
.development__copy > p:not(.section-index),
.use-cases__heading > p:not(.section-index),
.reservation__intro > p:not(.section-index),
.build__copy > p:not(.section-index),
.faq details p, .reservation-success > p, .intent-panel__heading > p {
  font-size: 1rem;
}
@media (max-width: 980px) {
  .site-header { gap: 10px; }
  .site-header > .button { min-height: 44px; font-size: 0.75rem; letter-spacing: 0; padding-inline: 12px; }
  .menu-toggle { flex-shrink: 0; }
}
@media (max-width: 720px) {
  .hero-actions { flex-wrap: wrap; }
  .hero-actions .button, .hero-actions .text-link { font-size: 0.875rem; }
}