.research-page { min-height: 100vh; background: #f1f4ee; }
.research-header { border-bottom: 1px solid var(--line); background: rgb(248 249 247 / 96%); }
.research-header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.research-back { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--muted); font-size: 13px; font-weight: 600; }
.research-back:hover { color: var(--ink); }
.research-main { max-width: 910px; padding-block: 66px 74px; }
.research-intro { max-width: 760px; margin-bottom: 32px; }
.research-intro h1 { max-width: 760px; font-size: clamp(43px, 6vw, 68px); line-height: .98; letter-spacing: -.06em; }
.research-intro > p:not(.eyebrow) { max-width: 680px; margin-top: 22px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.research-intro > p + p:not(.eyebrow) { margin-top: 8px; }
.research-start { margin-top: 27px; }
.survey-card { overflow: hidden; border: 1px solid #dbe2d6; border-radius: 20px; background: #fff; box-shadow: 0 22px 60px rgb(31 44 32 / 7%); }
.survey-progress { padding: 21px 30px 0; background: #fafbf9; }
.survey-progress > div:first-child { display: flex; justify-content: space-between; gap: 18px; color: #687362; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.progress-track { overflow: hidden; height: 3px; margin-top: 15px; border-radius: 2px; background: #e2e8dd; }
.progress-track i { display: block; width: 16.6667%; height: 100%; background: #607c55; transform-origin: left; transition: width .3s var(--ease); }
#researchForm { padding: 32px 30px 28px; }
.survey-step { min-height: 450px; }
.survey-step[hidden] { display: none; }
.step-kicker { color: #65735e; font-family: ui-monospace, monospace; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.survey-step h2, .survey-success h2 { margin-top: 9px; font-size: clamp(30px, 4vw, 42px); letter-spacing: -.045em; }
.step-intro { max-width: 620px; margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.survey-field { min-width: 0; margin-top: 27px; padding: 0; border: 0; }
.survey-field > label, .survey-field legend { display: block; margin-bottom: 10px; color: #3a443b; font-size: 13px; font-weight: 650; }
.survey-field label span { font-size: inherit; font-weight: inherit; }
.survey-field > label span { color: var(--muted); font-size: 11px; font-weight: 400; }
.survey-field input[type="text"], .survey-field input[type="email"], .survey-field input[type="tel"], .survey-field textarea { width: 100%; min-height: 49px; padding: 11px 13px; border: 1px solid #d4ddd0; border-radius: 7px; color: var(--ink); background: #fbfcfa; font: inherit; font-size: 14px; }
.survey-field textarea { min-height: 128px; resize: vertical; line-height: 1.55; }
.survey-field input:focus, .survey-field textarea:focus, .choice-grid input:focus-visible { outline: 2px solid #5e7b53; outline-offset: 2px; }
.survey-field [aria-invalid="true"] { border-color: #a34e40; background: #fffaf9; }
.survey-field[aria-invalid="true"] legend { color: #8d392f; }
.survey-two-up { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choice-grid label { position: relative; display: flex; align-items: center; gap: 11px; min-height: 53px; padding: 12px 14px; border: 1px solid #d8e0d4; border-radius: 8px; background: #fbfcfa; color: #455047; font-size: 13px; line-height: 1.35; cursor: pointer; }
.choice-grid label:has(input:checked) { border-color: #8ca382; background: #eff5ec; color: #34452f; }
.choice-grid label:has(input:disabled) { opacity: .48; cursor: not-allowed; }
.choice-grid input { flex: 0 0 auto; width: 17px; height: 17px; accent-color: #55734b; }
.choice-help { margin: -4px 0 11px; color: var(--muted); font-size: 11px; }
.textarea-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 7px; color: var(--muted); font-size: 10px; }
.textarea-meta b { color: inherit; font-weight: 600; }
.exclusive-choice { grid-column: 1 / -1; }
.conditional-question { padding: 20px; border: 1px solid #dfe5da; border-radius: 10px; background: #f7f9f5; }
.conditional-question legend { padding-inline: 6px; }
.survey-error { min-height: 15px; padding-top: 5px; color: #9d4035; font-size: 11px; line-height: 1.35; }
.survey-error:empty { min-height: 0; padding-top: 0; }
.contact-fields { margin-top: 25px; padding: 20px; border: 1px solid #dfe5da; border-radius: 10px; background: #f7f9f5; }
.contact-fields > p { color: #566154; font-size: 12px; line-height: 1.55; }
.contact-fields .survey-field { margin-top: 17px; }
.privacy-note { margin-top: 20px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.privacy-note a { color: var(--green); text-decoration: underline; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.survey-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 23px; padding-top: 23px; border-top: 1px solid #e4e9e0; }
.survey-back { display: inline-flex; align-items: center; gap: 9px; min-height: 46px; margin-right: auto; padding: 10px 4px; border: 0; color: var(--muted); background: transparent; font-size: 13px; font-weight: 600; }
.survey-next, .survey-submit { min-width: 148px; justify-content: space-between; }
.survey-submit { min-width: 225px; }
.survey-status { margin-top: 12px; color: #9d4035; font-size: 12px; line-height: 1.5; }
.survey-status:empty { display: none; }
.survey-success { padding: 58px 40px; }
.survey-success > p { max-width: 610px; margin-top: 15px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.survey-success .button { margin-top: 25px; }
.response-reference { color: #52634d !important; font-family: ui-monospace, monospace; font-size: 12px !important; font-weight: 600; }
.success-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 25px; }
.success-actions .text-link { margin-top: 25px; }
.is-submitting .submit-icon { width: 15px; height: 15px; border: 1.5px solid #ffffff60; border-top-color: #fff; border-radius: 50%; font-size: 0; animation: loading .7s linear infinite; }
.research-footer { display: flex; justify-content: space-between; gap: 18px; padding-block: 22px; border-top: 1px solid #dce2d8; color: #687362; font-size: 11px; }
.research-footer a { text-decoration: underline; }

@media (max-width: 700px) {
  .research-header-inner { min-height: 66px; }
  .research-back { font-size: 11px; }
  .research-main { padding-block: 36px 48px; }
  .research-intro { margin-bottom: 23px; }
  .research-intro h1 { font-size: clamp(39px, 11.5vw, 50px); }
  .research-intro > p:not(.eyebrow) { margin-top: 17px; font-size: 15px; }
  .survey-card { border-radius: 14px; }
  .survey-progress { padding: 18px 19px 0; }
  .survey-progress > div:first-child { font-size: 9px; }
  #researchForm { padding: 26px 19px 22px; }
  .survey-step { min-height: 0; }
  .survey-step h2 { font-size: 32px; }
  .survey-two-up, .choice-grid { grid-template-columns: 1fr; }
  .survey-field { margin-top: 23px; }
  .survey-field input[type="text"], .survey-field input[type="email"], .survey-field input[type="tel"], .survey-field textarea { min-height: 49px; font-size: 16px; }
  .survey-field textarea { min-height: 120px; }
  .choice-grid { gap: 8px; }
  .choice-grid label { min-height: 49px; padding: 10px 12px; }
  .exclusive-choice { grid-column: auto; }
  .conditional-question { padding: 16px 13px; }
  .contact-fields { padding: 16px 13px; }
  .survey-actions { position: sticky; z-index: 2; bottom: 0; margin: 24px -19px -22px; padding: 14px 19px calc(14px + env(safe-area-inset-bottom)); background: #fff; box-shadow: 0 -8px 22px rgb(31 44 32 / 5%); }
  .survey-next { min-width: 132px; }
  .survey-submit { width: 100%; min-width: 0; }
  .survey-back:not([hidden]) + .survey-submit { width: auto; flex: 1; }
  .survey-success { padding: 42px 20px; }
  .research-footer { flex-direction: column; }
}

@media (max-width: 360px) {
  .research-back span { display: none; }
  .survey-progress #progress-topic { display: none; }
  .survey-submit { padding-inline: 13px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .progress-track i { transition: none; }
}