:root {
  color-scheme: dark;
  --bg: #030504;
  --surface: rgba(12, 19, 17, 0.88);
  --surface-strong: #101915;
  --surface-soft: rgba(19, 31, 27, 0.72);
  --line: rgba(143, 193, 178, 0.16);
  --line-strong: rgba(87, 232, 194, 0.46);
  --accent: #50e7bd;
  --accent-bright: #83f8d8;
  --accent-deep: #0faf86;
  --accent-glow: rgba(61, 231, 187, 0.2);
  --text: #f2f7f5;
  --text-soft: #a7b8b2;
  --text-dim: #70817b;
  --error: #ff7f8c;
  --error-soft: rgba(255, 99, 115, 0.1);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.52);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 13px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(41, 113, 93, 0.2), transparent 35%),
    linear-gradient(180deg, #020403 0%, #060a08 45%, #020403 100%);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
textarea {
  font: inherit;
}

button,
label,
input[type="checkbox"],
input[type="radio"] {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  color: #00150f;
  background: var(--accent-bright);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.ambient,
.grid-overlay {
  position: fixed;
  z-index: 0;
  pointer-events: none;
}

.ambient {
  width: 480px;
  height: 480px;
  border-radius: 50%;
  opacity: 0.38;
  filter: blur(2px);
}

.ambient::before,
.ambient::after {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(78, 230, 188, 0.12);
  border-radius: inherit;
  content: "";
}

.ambient::after {
  inset: 27%;
}

.ambient-left {
  top: 210px;
  left: -350px;
  border: 1px solid rgba(67, 224, 180, 0.13);
  box-shadow: 0 0 140px rgba(42, 208, 163, 0.13);
}

.ambient-right {
  top: 55%;
  right: -370px;
  border: 1px solid rgba(67, 224, 180, 0.11);
  box-shadow: 0 0 160px rgba(42, 208, 163, 0.1);
}

.grid-overlay {
  inset: 0;
  opacity: 0.11;
  background-image:
    linear-gradient(rgba(102, 194, 169, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 194, 169, 0.13) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 82%);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(100% - 48px, 960px);
  margin: 0 auto;
  padding: 56px 0 40px;
}

.hero {
  max-width: 740px;
  margin: 0 auto 36px;
  text-align: center;
}

.brand-lockup {
  position: relative;
  display: inline-grid;
  width: clamp(150px, 22vw, 205px);
  margin-bottom: 8px;
  place-items: center;
}

.brand-glow {
  position: absolute;
  z-index: -1;
  width: 60%;
  height: 60%;
  border-radius: 50%;
  background: rgba(75, 234, 190, 0.26);
  filter: blur(44px);
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
  mix-blend-mode: screen;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--accent-bright);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.eyebrow span {
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 5.5vw, 56px);
  font-weight: 680;
  line-height: 1.18;
  letter-spacing: -0.04em;
  text-wrap: balance;
  background: linear-gradient(135deg, #fff 10%, #cfdbd7 75%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-break {
  display: none;
}

.hero-description {
  max-width: 660px;
  margin: 20px auto 0;
  color: var(--text-soft);
  font-size: 16px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  margin-top: 20px;
  color: var(--text-dim);
  font-size: 13px;
}

.hero-meta i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.survey-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(21, 33, 29, 0.84), rgba(7, 12, 10, 0.94)),
    var(--surface);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.survey-card::before {
  position: absolute;
  top: 0;
  left: 8%;
  width: 84%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(94, 245, 204, 0.55), transparent);
  content: "";
}

.survey-section {
  padding: 50px 54px;
}

.section-heading {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-bottom: 34px;
}

.section-number {
  display: grid;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(80, 231, 189, 0.3);
  border-radius: 15px;
  color: var(--accent-bright);
  background: rgba(80, 231, 189, 0.07);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.06em;
  place-items: center;
  box-shadow: inset 0 0 18px rgba(80, 231, 189, 0.035);
}

.section-kicker {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.18em;
}

.section-heading h2 {
  margin: 0;
  font-size: 25px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.section-heading div > p:last-child {
  margin: 5px 0 0;
  color: var(--text-soft);
  font-size: 14px;
}

.section-divider {
  display: flex;
  align-items: center;
  padding: 0 54px;
}

.section-divider::before,
.section-divider::after {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line));
  content: "";
}

.section-divider::after {
  background: linear-gradient(90deg, var(--line), transparent);
}

.section-divider span {
  width: 5px;
  height: 5px;
  margin: 0 12px;
  border: 1px solid rgba(80, 231, 189, 0.5);
  transform: rotate(45deg);
}

.field-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-group + .field-group {
  margin-top: 28px;
}

legend,
.field-label {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.5;
}

.required-mark {
  display: inline-flex;
  margin-left: 8px;
  padding: 2px 6px;
  border: 1px solid rgba(80, 231, 189, 0.22);
  border-radius: 5px;
  color: var(--accent);
  background: rgba(80, 231, 189, 0.06);
  font-size: 10px;
  font-weight: 650;
  line-height: 1.3;
  vertical-align: 2px;
}

.field-help {
  margin: 5px 0 14px;
  color: var(--text-dim);
  font-size: 13px;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.scene-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(7, 13, 11, 0.67);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.scene-card:hover {
  border-color: rgba(80, 231, 189, 0.3);
  transform: translateY(-1px);
}

.scene-card.is-selected {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(43, 122, 101, 0.17), rgba(9, 17, 14, 0.82));
  box-shadow: inset 0 0 24px rgba(47, 211, 168, 0.055), 0 6px 20px rgba(0, 0, 0, 0.18);
}

.scene-select {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 11px;
  padding: 13px 14px;
  cursor: pointer;
}

.scene-select input,
.choice-tile input,
.compact-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.custom-check {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border: 1px solid rgba(172, 205, 195, 0.38);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.025);
  transition: 160ms ease;
}

.custom-check::after {
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border-right: 2px solid #001b13;
  border-bottom: 2px solid #001b13;
  content: "";
  opacity: 0;
  transform: rotate(45deg) scale(0.6);
  transition: 160ms ease;
}

.scene-select input:checked + .custom-check,
.compact-choice input:checked + span {
  border-color: var(--accent-bright);
  background: var(--accent);
  box-shadow: 0 0 16px rgba(80, 231, 189, 0.22);
}

.scene-select input:checked + .custom-check::after,
.compact-choice input:checked + span::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.scene-name {
  min-width: 0;
  color: #dce7e3;
  font-size: 14px;
  font-weight: 560;
}

.scene-details {
  display: grid;
  gap: 10px;
  padding: 3px 13px 14px;
  animation: reveal 180ms ease-out;
}

.scene-details[hidden],
.conditional-panel[hidden],
.field-error[hidden] {
  display: none;
}

.mini-label {
  display: block;
  margin-bottom: 5px;
  color: var(--text-soft);
  font-size: 12px;
}

.mini-control,
.text-control {
  width: 100%;
  border: 1px solid rgba(152, 190, 178, 0.22);
  outline: 0;
  color: var(--text);
  background: rgba(2, 7, 5, 0.72);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.mini-control {
  min-height: 42px;
  padding: 9px 11px;
  border-radius: 9px;
  font-size: 14px;
}

.text-control {
  min-height: 52px;
  padding: 13px 15px;
  border-radius: 12px;
}

.mini-control::placeholder,
.text-control::placeholder {
  color: #53645e;
}

.mini-control:focus,
.text-control:focus {
  border-color: var(--accent);
  background: rgba(4, 12, 9, 0.92);
  box-shadow: 0 0 0 3px rgba(80, 231, 189, 0.1), 0 0 22px rgba(80, 231, 189, 0.055);
}

.binary-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.choice-tile {
  position: relative;
  display: flex;
  min-height: 86px;
  align-items: center;
  gap: 13px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(7, 13, 11, 0.64);
  cursor: pointer;
  transition: 180ms ease;
}

.choice-tile:hover,
.choice-tile.is-selected {
  border-color: var(--line-strong);
  background: rgba(27, 79, 65, 0.16);
}

.choice-indicator {
  position: relative;
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  border: 1px solid rgba(172, 205, 195, 0.42);
  border-radius: 50%;
  transition: 160ms ease;
}

.choice-indicator::after {
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: #001b13;
  content: "";
  opacity: 0;
  transform: scale(0.4);
  transition: 160ms ease;
}

.choice-tile input:checked + .choice-indicator {
  border-color: var(--accent-bright);
  background: var(--accent);
  box-shadow: 0 0 15px rgba(80, 231, 189, 0.2);
}

.choice-tile input:checked + .choice-indicator::after {
  opacity: 1;
  transform: scale(1);
}

.choice-tile strong,
.choice-tile small {
  display: block;
}

.choice-tile strong {
  color: #e9f1ee;
  font-size: 15px;
  font-weight: 650;
}

.choice-tile small {
  margin-top: 2px;
  color: var(--text-dim);
  font-size: 12px;
}

.conditional-panel {
  position: relative;
  margin-top: 20px;
  padding: 24px;
  border: 1px solid rgba(80, 231, 189, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(80, 231, 189, 0.035);
  animation: reveal 220ms ease-out;
}

.conditional-panel::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(var(--accent), transparent);
  content: "";
}

.type-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.compact-choice {
  position: relative;
  display: inline-flex;
  min-width: 105px;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: #d9e7e2;
  background: rgba(5, 11, 9, 0.65);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: 160ms ease;
}

.compact-choice:hover,
.compact-choice.is-selected {
  border-color: rgba(80, 231, 189, 0.4);
  background: rgba(80, 231, 189, 0.08);
}

.compact-choice > span {
  position: relative;
  width: 17px;
  height: 17px;
  border: 1px solid rgba(172, 205, 195, 0.38);
  border-radius: 5px;
}

.compact-choice > span::after {
  position: absolute;
  top: 2px;
  left: 5px;
  width: 4px;
  height: 8px;
  border-right: 2px solid #001b13;
  border-bottom: 2px solid #001b13;
  content: "";
  opacity: 0;
  transform: rotate(45deg) scale(0.6);
  transition: 160ms ease;
}

.textarea-control {
  min-height: 118px;
  resize: vertical;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.input-shell {
  position: relative;
  margin-top: 10px;
}

.input-shell svg {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 15px;
  width: 20px;
  color: var(--text-dim);
  pointer-events: none;
  transform: translateY(-50%);
  transition: color 160ms ease;
}

.input-shell:focus-within svg {
  color: var(--accent);
}

.text-control.with-icon {
  padding-left: 45px;
}

.field-error {
  margin: 8px 0 0;
  color: var(--error);
  font-size: 13px;
  line-height: 1.45;
}

.field-error::before {
  display: inline-block;
  width: 4px;
  height: 4px;
  margin: 0 7px 2px 1px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.has-error .mini-control,
.has-error .text-control,
.text-control.has-error,
.mini-control.has-error {
  border-color: rgba(255, 127, 140, 0.72);
  background: var(--error-soft);
}

.has-error.choice-tile,
.has-error.scene-card,
.has-error.compact-choice {
  border-color: rgba(255, 127, 140, 0.58);
}

.submit-area {
  padding: 0 54px 52px;
}

.privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
  padding: 13px 15px;
  border: 1px solid rgba(80, 231, 189, 0.1);
  border-radius: 11px;
  color: var(--text-soft);
  background: rgba(80, 231, 189, 0.035);
  font-size: 13px;
}

.privacy-note svg {
  flex: 0 0 auto;
  width: 19px;
  margin-top: 1px;
  color: var(--accent);
}

.privacy-note p {
  margin: 0;
}

.submit-status {
  margin: 0 0 12px;
  color: var(--error);
  font-size: 14px;
  text-align: center;
}

.submit-status:empty {
  display: none;
}

.submit-button {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow: hidden;
  border: 0;
  border-radius: 13px;
  color: #001b13;
  background: linear-gradient(110deg, #42dcae, #72f1cf 55%, #43d6ab);
  box-shadow: 0 10px 34px rgba(44, 218, 170, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  cursor: pointer;
  font-weight: 760;
  letter-spacing: 0.06em;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.submit-button::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 25%, rgba(255, 255, 255, 0.28) 50%, transparent 75%);
  content: "";
  transform: translateX(-110%);
  transition: transform 500ms ease;
}

.submit-button:hover:not(:disabled) {
  box-shadow: 0 13px 42px rgba(44, 218, 170, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.submit-button:hover:not(:disabled)::before {
  transform: translateX(110%);
}

.submit-button:active:not(:disabled) {
  transform: translateY(1px);
}

.submit-button:disabled {
  cursor: wait;
  filter: saturate(0.7) brightness(0.75);
}

.submit-button svg {
  width: 21px;
}

.button-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 27, 19, 0.28);
  border-top-color: #001b13;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.submit-button.is-loading .button-spinner {
  display: block;
}

.submit-button.is-loading svg {
  display: none;
}

.page-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
  color: #52645e;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-align: center;
}

.page-footer span {
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(80, 231, 189, 0.24));
}

.page-footer span:last-child {
  background: linear-gradient(90deg, rgba(80, 231, 189, 0.24), transparent);
}

.success-dialog {
  width: min(calc(100% - 32px), 430px);
  margin: auto;
  padding: 0;
  border: 1px solid rgba(80, 231, 189, 0.28);
  border-radius: 23px;
  outline: 0;
  color: var(--text);
  background: linear-gradient(150deg, #14231e, #070d0b 72%);
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.success-dialog::backdrop {
  background: rgba(0, 4, 3, 0.78);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.success-dialog.is-fallback-open {
  position: fixed;
  z-index: 101;
  inset: 50% auto auto 50%;
  display: block;
  transform: translate(-50%, -50%);
}

body.dialog-fallback-open::after {
  position: fixed;
  z-index: 100;
  inset: 0;
  background: rgba(0, 4, 3, 0.82);
  content: "";
}

.dialog-content {
  padding: 38px 34px 32px;
  text-align: center;
}

.success-mark {
  display: grid;
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border: 1px solid rgba(80, 231, 189, 0.45);
  border-radius: 50%;
  color: var(--accent-bright);
  background: rgba(80, 231, 189, 0.09);
  box-shadow: 0 0 42px rgba(80, 231, 189, 0.13);
  place-items: center;
}

.success-mark svg {
  width: 34px;
}

.dialog-kicker {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.dialog-content h2 {
  margin: 0;
  font-size: 27px;
}

.dialog-content > p:not(.dialog-kicker) {
  margin: 9px 0 24px;
  color: var(--text-soft);
  font-size: 14px;
}

.dialog-close {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(80, 231, 189, 0.3);
  border-radius: 11px;
  color: var(--accent-bright);
  background: rgba(80, 231, 189, 0.08);
  cursor: pointer;
  font-weight: 650;
}

.dialog-close:hover {
  background: rgba(80, 231, 189, 0.14);
}

.noscript-message {
  position: fixed;
  z-index: 200;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 14px;
  border: 1px solid var(--error);
  border-radius: 10px;
  color: #fff;
  background: #401218;
  text-align: center;
}

:focus-visible {
  outline: 3px solid rgba(131, 248, 216, 0.85);
  outline-offset: 3px;
}

.scene-select input:focus-visible + .custom-check,
.choice-tile input:focus-visible + .choice-indicator,
.compact-choice input:focus-visible + span {
  outline: 3px solid rgba(131, 248, 216, 0.85);
  outline-offset: 3px;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 900px) {
  .page-shell {
    width: min(100% - 40px, 760px);
  }

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

  .survey-section {
    padding: 44px 40px;
  }

  .section-divider,
  .submit-area {
    padding-right: 40px;
    padding-left: 40px;
  }

  .submit-area {
    padding-bottom: 44px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .grid-overlay {
    background-size: 38px 38px;
  }

  .page-shell {
    width: calc(100% - 32px);
    padding-top: 30px;
  }

  .hero {
    margin-bottom: 26px;
  }

  .brand-lockup {
    width: 145px;
    margin-bottom: 3px;
  }

  .eyebrow {
    margin-bottom: 9px;
    font-size: 9px;
  }

  .hero h1 {
    font-size: clamp(30px, 10.4vw, 39px);
    line-height: 1.2;
  }

  .mobile-break {
    display: initial;
  }

  .hero-description {
    margin-top: 15px;
    font-size: 14px;
  }

  .hero-meta {
    gap: 9px;
    margin-top: 15px;
    font-size: 11px;
  }

  .survey-card {
    border-radius: 20px;
  }

  .survey-section {
    padding: 34px 20px;
  }

  .section-heading {
    grid-template-columns: 43px minmax(0, 1fr);
    gap: 12px;
    margin-bottom: 27px;
  }

  .section-number {
    width: 41px;
    height: 41px;
    border-radius: 12px;
    font-size: 11px;
  }

  .section-heading h2 {
    font-size: 21px;
  }

  .section-heading div > p:last-child {
    font-size: 12px;
  }

  .scene-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .scene-select {
    min-height: 54px;
  }

  .binary-options,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .choice-tile {
    min-height: 76px;
  }

  .conditional-panel {
    padding: 20px 17px;
  }

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

  .compact-choice {
    min-width: 0;
    padding: 9px 7px;
  }

  .section-divider,
  .submit-area {
    padding-right: 20px;
    padding-left: 20px;
  }

  .submit-area {
    padding-bottom: 34px;
  }

  .submit-button {
    min-height: 54px;
  }

  .page-footer {
    margin-top: 22px;
    font-size: 9px;
  }

  .dialog-content {
    padding: 32px 24px 25px;
  }
}

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

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