@font-face {
  font-family: AvluFallback;
  src: local("Arial");
  font-display: swap;
}
:root {
  --paper: #f6f5ef;
  --card: #fff;
  --ink: #112b2b;
  --muted: #526463;
  --line: #d4ddda;
  --soft: #f3f6f4;
  --blue: #075ddd;
  --accent: #dcf58e;
  --error: #a9202b;
  color-scheme: light;
}
html[data-theme="dark"] {
  --paper: #0c171b;
  --card: #132429;
  --ink: #f2f5ed;
  --muted: #b6c9c8;
  --line: #435b60;
  --soft: #1b3137;
  --blue: #a4c9ff;
  --accent: #dcf58e;
  --error: #ffb5b5;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: AvluFallback, Arial, sans-serif;
  line-height: 1.5;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button,
a,
summary {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: wait;
  opacity: 0.65;
}
[hidden] {
  display: none !important;
}
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline-offset: 3px;
}
::selection {
  background: #d9f193;
  color: #112b2b;
}
.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  padding: 12px;
  background: var(--card);
  z-index: 5;
}
.skip-link:focus {
  top: 10px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.research-header,
.research-footer {
  max-width: 1320px;
  margin: auto;
  padding: 26px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.research-header {
  border-bottom: 1px solid var(--line);
}
.brand {
  text-decoration: none;
  font-weight: 900;
  font-size: 30px;
  letter-spacing: -1.8px;
  white-space: nowrap;
}
.brand span {
  font-size: 10px;
  vertical-align: top;
  letter-spacing: 0;
}
.v13-header__actions {
  display: flex;
  align-items: center;
  gap: 22px;
}
.v13-header__actions > a {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.v13-theme-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
  font-size: 20px;
}
.research-layout {
  max-width: 1320px;
  margin: auto;
  padding: 64px 48px 48px;
  display: grid;
  grid-template-columns: 1fr 1.04fr;
  gap: 68px;
  align-items: start;
}
.intro {
  padding-top: 12px;
}
.eyebrow {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.7px;
  line-height: 1.5;
  margin: 0;
}
.intro > .eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
}
.live-dot {
  height: 7px;
  width: 7px;
  border-radius: 50%;
  background: var(--blue);
}
h1 {
  font-size: clamp(40px, 4.35vw, 65px);
  letter-spacing: -3px;
  line-height: 1.04;
  margin: 25px 0 24px;
  font-weight: 850;
}
h1 em {
  font-family: Georgia, serif;
  font-weight: 500;
  letter-spacing: -2.7px;
  color: var(--blue);
}
.intro-lead {
  max-width: 380px;
  font-size: 20px;
  line-height: 1.55;
  margin: 0 0 24px;
}
.app-explanation {
  max-width: 395px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}
.app-explanation strong {
  color: var(--ink);
}
.research-purpose {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 28px;
  display: flex;
  gap: 15px;
  max-width: 400px;
}
.initials {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 800;
}
.research-purpose p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
}
.research-purpose strong {
  color: var(--ink);
}
.intro-notes {
  display: flex;
  gap: 8px 18px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--muted);
  margin-top: 18px;
}
.intro-notes span:before {
  content: "✓";
  margin-right: 5px;
}
.mobile-start {
  display: none;
}
.survey-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 30px;
  box-shadow: 0 18px 50px #102c2810;
  min-width: 0;
}
.survey-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.survey-top .eyebrow {
  font-size: 9px;
  letter-spacing: 1.3px;
}
.step-label {
  font-size: 11px;
  white-space: nowrap;
  color: var(--muted);
}
.progress-track {
  height: 4px;
  background: var(--soft);
  margin: 18px 0 24px;
  overflow: hidden;
  border-radius: 9px;
}
.progress-track span {
  height: 100%;
  width: 33.333%;
  background: var(--blue);
  display: block;
  transition: width 0.2s ease;
}
h2 {
  font-size: 25px;
  line-height: 1.2;
  letter-spacing: -0.7px;
  margin: 0 0 7px;
}
.survey-intro {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 25px;
}
fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 24px;
  min-width: 0;
}
legend,
.story-label {
  display: block;
  font-size: 14px;
  font-weight: 750;
  padding: 0;
  margin: 0 0 12px;
  width: 100%;
  line-height: 1.55;
}
.question-number {
  font-size: 10px;
  color: var(--muted);
  font-weight: 500;
  margin-right: 7px;
  vertical-align: middle;
}
.choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.choice {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  min-height: 46px;
  font-size: 12px;
  line-height: 1.35;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s;
}
.choice:last-child:nth-child(odd) {
  grid-column: 1/-1;
}
.choice:hover {
  background: var(--soft);
}
.choice:has(input:checked) {
  border-color: var(--blue);
  box-shadow: inset 0 0 0 1px var(--blue);
  background: var(--soft);
}
.choice:has(input:focus-visible) {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
.choice input {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin: 0;
  accent-color: var(--blue);
}
.choice input:focus-visible {
  outline: none;
}
.field-hint {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 12px;
}
.story-label {
  margin-bottom: 6px;
}
textarea,
input[type="text"],
input[type="email"] {
  width: 100%;
  max-width: 100%;
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  padding: 12px;
  font-size: 16px;
  line-height: 1.5;
}
textarea {
  resize: vertical;
  min-height: 120px;
}
textarea::placeholder {
  color: var(--muted);
}
.optional-followup {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  list-style-position: inside;
}
.optional-followup summary {
  padding: 15px 0;
  font-size: 13px;
  font-weight: 700;
}
.optional-followup summary span {
  font-weight: 400;
  font-size: 11px;
  color: var(--muted);
  margin-left: 5px;
}
.followup-fields {
  padding-bottom: 15px;
}
.followup-fields > label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin: 10px 0 6px;
}
.followup-fields > label span {
  font-weight: 400;
}
.followup-fields > .consent,
.consent {
  display: flex;
  align-items: start;
  gap: 10px;
  font-size: 12px !important;
  line-height: 1.5;
}
.consent input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--blue);
  margin: 1px 0 0;
}
.privacy-note {
  font-size: 11px;
  color: var(--muted);
  margin: 18px 0;
}
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}
.primary-button {
  border: 0;
  border-radius: 9px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  background: #095ee0;
  color: white;
  font-weight: 750;
  font-size: 14px;
  padding: 15px 18px;
  text-decoration: none;
  min-height: 50px;
  flex: 1;
}
.primary-button:hover {
  background: #084dc0;
}
.primary-button span {
  font-size: 20px;
  line-height: 1;
}
.back-button {
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--card);
  color: var(--ink);
  padding: 12px 16px;
  font-size: 13px;
}
.send-note {
  font-size: 10px;
  color: var(--muted);
  text-align: center;
  margin: 12px 0 0;
}
.form-message {
  border-left: 3px solid var(--error);
  padding: 10px 12px;
  color: var(--error);
  font-size: 13px;
  background: var(--soft);
}
.form-message[data-state="pending"] {
  color: var(--ink);
  border-color: var(--blue);
}
.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.thank-you-check {
  background: var(--accent);
  color: #112b2b;
  border-radius: 50%;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  font-size: 28px;
}
.thank-you h3 {
  font-size: 28px;
  letter-spacing: -1px;
  margin-bottom: 10px;
}
.thank-you p {
  font-size: 14px;
  color: var(--muted);
}
.thank-you .primary-button {
  margin-top: 24px;
}
.notice {
  font-size: 13px;
  color: var(--error);
}
.reward-card {
  background: var(--accent);
  color: #173027;
  border-radius: 13px;
  padding: 16px 18px;
  margin-top: 23px;
  max-width: 400px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 15px;
}
.reward-value {
  font-size: 34px;
  font-weight: 850;
  letter-spacing: -1.5px;
  line-height: 1.1;
}
.reward-card strong {
  font-size: 14px;
}
.reward-card p {
  font-size: 11px;
  margin: 4px 0;
}
.reward-card > a {
  grid-column: 2;
  font-size: 10px;
}
.reward-entry {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 14px;
  margin-top: 16px;
}
.reward-entry > label {
  font-size: 12px;
}
.reward-entry p {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 0;
}
.reward-email {
  margin-top: 12px;
}
.reward-email label {
  display: block;
  font-size: 12px;
  margin-bottom: 5px;
}
.research-faq {
  max-width: 1224px;
  margin: 0 auto 35px;
  padding: 0 0 25px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.research-faq details {
  padding-top: 22px;
  min-width: 0;
}
.research-faq summary {
  font-size: 13px;
  font-weight: 700;
}
.research-faq p {
  font-size: 13px;
  color: var(--muted);
}
.research-footer {
  max-width: 1320px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--muted);
  padding-top: 23px;
  padding-bottom: 30px;
}
.research-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.research-footer a {
  text-decoration: none;
}
@media (min-width: 1400px) {
  .research-layout {
    padding-top: 80px;
  }
}
@media (max-width: 1100px) {
  .research-layout {
    gap: 36px;
    padding: 45px 32px;
  }
  .research-header,
  .research-footer {
    padding-left: 32px;
    padding-right: 32px;
  }
  .research-faq {
    margin-left: 32px;
    margin-right: 32px;
  }
  .survey-card {
    padding: 24px;
  }
  h1 {
    font-size: 48px;
  }
  .intro-lead {
    font-size: 18px;
  }
}
@media (max-width: 760px) {
  .research-header {
    padding: 17px 22px;
  }
  .brand {
    font-size: 26px;
  }
  .v13-header__actions {
    gap: 12px;
  }
  .v13-header__actions > a {
    font-size: 12px;
  }
  .research-layout {
    display: block;
    padding: 30px 20px;
  }
  .intro {
    padding: 0;
  }
  .intro > .eyebrow {
    font-size: 9px;
  }
  h1 {
    font-size: clamp(38px, 8.7vw, 58px);
    letter-spacing: -2px;
    line-height: 1.05;
    margin: 20px 0 17px;
  }
  h1 br:first-of-type {
    display: none;
  }
  h1 em {
    letter-spacing: -1.8px;
  }
  .intro-lead {
    font-size: 17px;
    max-width: 480px;
    margin-bottom: 16px;
  }
  .app-explanation {
    font-size: 13px;
    max-width: 480px;
    margin-bottom: 18px;
  }
  .research-purpose {
    margin-top: 18px;
    padding-top: 18px;
    max-width: none;
  }
  .research-purpose p {
    font-size: 12px;
  }
  .intro-notes {
    font-size: 10px;
    margin-top: 10px;
    gap: 6px 12px;
  }
  .reward-card {
    max-width: none;
    margin-top: 20px;
  }
  .survey-card {
    margin-top: 27px;
    border-radius: 17px;
    padding: 23px 19px;
  }
  .mobile-start {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 700;
    margin-top: 20px;
    color: var(--blue);
  }
  .survey-top .eyebrow {
    font-size: 8px;
    letter-spacing: 0.8px;
  }
  .step-label {
    font-size: 10px;
  }
  .research-faq {
    margin: 0 22px 16px;
    display: block;
    padding-bottom: 10px;
  }
  .research-faq details {
    border-bottom: 1px solid var(--line);
    padding: 16px 0;
  }
  .research-footer {
    display: block;
    padding: 20px 22px;
  }
  .research-footer nav {
    gap: 13px;
    margin-top: 14px;
  }
  .choice {
    padding: 11px 8px;
    font-size: 12px;
  }
  .survey-intro {
    margin-bottom: 22px;
  }
  #research-form {
    scroll-margin-top: 20px;
  }
}
@media (max-width: 360px) {
  .choices {
    grid-template-columns: 1fr;
  }
  .choice:last-child:nth-child(odd) {
    grid-column: auto;
  }
  h1 {
    font-size: 37px;
  }
  .survey-card {
    padding: 20px 15px;
  }
  .research-layout {
    padding-left: 15px;
    padding-right: 15px;
  }
  .v13-header__actions > a {
    font-size: 11px;
  }
  .research-header {
    padding-left: 17px;
    padding-right: 17px;
  }
}
@media (max-width: 760px) {
  h1 br:first-of-type {
    display: initial;
  }
  .intro-lead {
    display: none;
  }
  .research-purpose {
    border-top: 0;
    margin-top: 12px;
    padding-top: 0;
    gap: 10px;
  }
  .research-purpose .initials {
    width: 32px;
    height: 32px;
    font-size: 10px;
  }
  .research-purpose p:first-child {
    display: none;
  }
  .research-purpose p {
    margin: 0;
  }
  .reward-card {
    padding: 13px 14px;
    grid-template-columns: 85px 1fr;
    gap: 4px 12px;
  }
  .reward-value {
    font-size: 28px;
  }
  .reward-card strong {
    font-size: 12px;
  }
  .reward-card p {
    font-size: 10px;
  }
  .reward-card > a {
    font-size: 10px;
  }
  .mobile-start {
    margin-top: 15px;
  }
  .survey-card {
    margin-top: 18px;
  }
}
.drawing-details {
  max-width: 1224px;
  margin: 0 auto 30px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 12px;
  color: var(--muted);
}
.drawing-details summary {
  font-weight: 700;
  color: var(--ink);
}
.drawing-details details > div {
  max-width: 800px;
  line-height: 1.7;
}
.drawing-details:target details {
  outline: 2px solid var(--blue);
  outline-offset: 6px;
}
.drawing-details p {
  margin: 15px 0;
}
@media (max-width: 1320px) {
  .drawing-details {
    margin-left: 32px;
    margin-right: 32px;
  }
}
@media (max-width: 760px) {
  .drawing-details {
    margin-left: 22px;
    margin-right: 22px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}