/**
 * Pre-register landing — mobile responsive refinements.
 * Loaded after pre-register.css; scoped to .eh-pre-register-page only.
 */

.eh-pre-register-page,
.eh-pre-register-page .eh-pr {
  overflow-x: clip;
  max-width: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.eh-pre-register-page .eh-pr img,
.eh-pre-register-page .eh-pr svg,
.eh-pre-register-page .eh-pr video {
  max-width: 100%;
  height: auto;
}

@media (max-width: 560px) {
  .eh-pre-register-page .intro-hero-list-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .eh-pre-register-page .intro-hero-list-index {
    padding-top: 0;
  }

  .eh-pre-register-page .intro-hero-list-index::after {
    width: 2rem;
    margin-top: 0.4rem;
  }
}

@media (max-width: 600px) {
  .eh-pre-register-page .manifesto-dark {
    padding: clamp(7.5rem, 24vw, 10rem) clamp(1rem, 4vw, 1.25rem) clamp(4.5rem, 10vw, 5.5rem);
  }

  .eh-pre-register-page .m-foil-wrap {
    min-height: 8em;
    padding: 0;
  }

  .eh-pre-register-page .m-close {
    margin-top: clamp(1.75rem, 5vw, 2.75rem);
    font-size: clamp(1.125rem, 4.5vw, 1.375rem);
  }
}

@media (max-width: 640px) {
  .eh-pre-register-page .stamp {
    font-size: clamp(14px, 3.8vw, 17px);
    left: max(12px, env(safe-area-inset-left));
  }

  .eh-pre-register-page .intro-hero-inner {
    padding: clamp(3.5rem, 10vw, 4.5rem) clamp(1rem, 4vw, 1.25rem) clamp(2rem, 5vw, 2.75rem);
  }

  .eh-pre-register-page .intro-hero-eyebrow {
    letter-spacing: 0.14em;
    font-size: 0.625rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
    word-break: normal;
    hyphens: auto;
  }

  body.eh-pre-register-page .eh-pr p.intro-hero-eyebrow {
    margin-bottom: clamp(1.5rem, 5vw, 2.25rem);
  }

  .eh-pre-register-page .intro-hero .wordmark {
    white-space: normal;
    font-size: clamp(2.35rem, 11.5vw, 3.25rem);
    margin-bottom: 1.15rem;
  }

  .eh-pre-register-page .intro-hero-tagline,
  .eh-pre-register-page .intro-hero-subtagline {
    font-size: clamp(1rem, 4.2vw, 1.15rem);
    line-height: 1.45;
    padding-inline: 0.15rem;
  }

  .eh-pre-register-page .intro-hero-list {
    margin-top: clamp(1.75rem, 5vw, 2.5rem);
    max-width: none;
  }

  .eh-pre-register-page .intro-hero-list-label {
    letter-spacing: 0.22em;
    font-size: 0.625rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }

  .eh-pre-register-page .intro-hero-list-text {
    font-size: 0.9375rem;
    line-height: 1.55 !important;
  }

  .eh-pre-register-page .enel-features-section {
    padding: clamp(2.75rem, 7vw, 3.5rem) clamp(1rem, 4vw, 1.25rem) clamp(3rem, 7vw, 4rem);
  }

  .eh-pre-register-page .enel-features-header {
    margin-bottom: clamp(1.75rem, 5vw, 2.5rem);
  }

  .eh-pre-register-page .enel-features-heading,
  .eh-pre-register-page .conversion-heading,
  .eh-pre-register-page .engagement-heading,
  .eh-pre-register-page .problem-heading,
  .eh-pre-register-page .research-heading,
  .eh-pre-register-page .discovery-heading,
  .eh-pre-register-page .platform-cta-heading {
    font-size: clamp(1.75rem, 8.5vw, 2.5rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
    overflow-wrap: anywhere;
  }

  .eh-pre-register-page .enel-feature-eyebrow {
    letter-spacing: 0.18em;
    font-size: 0.58rem;
    margin-bottom: 1.15rem;
    overflow-wrap: anywhere;
  }

  .eh-pre-register-page .enel-feature-card {
    padding: 1.2rem 1.1rem;
  }

  .eh-pre-register-page .problem-section,
  .eh-pre-register-page .research-section {
    padding: clamp(2.75rem, 7vw, 3.5rem) clamp(1rem, 4vw, 1.25rem) 0;
  }

  .eh-pre-register-page .problem-body,
  .eh-pre-register-page .research-body {
    padding: clamp(2rem, 5vw, 2.5rem) clamp(1rem, 4vw, 1.25rem) clamp(2.25rem, 5vw, 3rem);
  }

  .eh-pre-register-page .problem-point {
    gap: 0.75rem;
  }

  .eh-pre-register-page .problem-callout {
    padding: 1.1rem 1rem;
  }

  .eh-pre-register-page .discovery-inner {
    padding: clamp(2.25rem, 5.5vw, 3rem) clamp(1rem, 4vw, 1.25rem) clamp(2.5rem, 6vw, 3.25rem);
  }

  .eh-pre-register-page .discovery-eyebrow,
  .eh-pre-register-page .platform-cta-eyebrow,
  .eh-pre-register-page .conversion-eyebrow,
  .eh-pre-register-page .engagement-eyebrow,
  .eh-pre-register-page .block-label {
    letter-spacing: 0.22em;
    overflow-wrap: anywhere;
  }

  .eh-pre-register-page .engagement-section {
    padding: clamp(2.75rem, 7vw, 3.75rem) clamp(1rem, 4vw, 1.25rem) clamp(3.5rem, 8vw, 5rem);
  }

  .eh-pre-register-page .founder-form {
    padding: clamp(1.25rem, 4vw, 1.75rem);
    border-radius: 1rem;
  }

  .eh-pre-register-page .founder-chip,
  .eh-pre-register-page .q-chip {
    font-size: 0.8125rem;
    padding: 0.55rem 0.85rem;
  }

  .eh-pre-register-page .trending-block,
  .eh-pre-register-page .cats-block {
    margin-bottom: clamp(2.5rem, 6vw, 3.5rem);
  }

  .eh-pre-register-page .match-card {
    padding: clamp(1.25rem, 4vw, 1.75rem);
  }

  .eh-pre-register-page .match-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .eh-pre-register-page .match-email {
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
  }

  .eh-pre-register-page .match-submit {
    width: 100%;
  }

  .eh-pre-register-page .platform-cta-section {
    padding: clamp(7rem, 18vw, 9rem) clamp(1rem, 4vw, 1.25rem) clamp(2.75rem, 6vw, 3.5rem);
  }

  .eh-pre-register-page .platform-cta-body {
    font-size: 1rem;
    line-height: 1.55 !important;
    margin-bottom: 2rem;
  }

  .eh-pre-register-page .platform-cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .eh-pre-register-page .btn-platform-cta {
    width: auto;
    min-width: 0;
    max-width: min(17.5rem, 88vw);
    padding: 13px 1.35rem;
    font-size: 0.8125rem;
  }

  .eh-pre-register-page .proof-pill {
    font-size: 0.625rem;
    letter-spacing: 0.05em;
    padding: 0.5rem 0.75rem;
  }

  .eh-pre-register-page .conversion-section {
    padding: clamp(2.75rem, 7vw, 3.5rem) clamp(1rem, 4vw, 1.25rem);
  }

  .eh-pre-register-page .footer-legal__list,
  body.eh-study-join-page .footer-legal__list {
    width: auto;
    max-width: 100%;
    align-items: center;
  }
}

@media (max-width: 380px) {
  .eh-pre-register-page .intro-hero-eyebrow {
    letter-spacing: 0.1em;
    font-size: 0.58rem;
  }

  .eh-pre-register-page .intro-hero .wordmark {
    font-size: clamp(2rem, 10.5vw, 2.65rem);
  }

  .eh-pre-register-page .problem-stat-num,
  .eh-pre-register-page .research-stat-num {
    font-size: clamp(1.5rem, 7vw, 1.85rem);
  }
}

/* Optional health section — collapsible accordion */
.eh-pre-register-page .founder-step--optional-health.founder-step--collapsible {
  margin-bottom: 1.25rem;
  padding: 0;
  border: 1px solid rgba(8, 19, 40, 0.08);
  border-radius: 0.875rem;
  background: rgba(250, 253, 252, 0.92);
  overflow: hidden;
}

.eh-pre-register-page .founder-step--optional-health .founder-step__toggle {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
  line-height: 1.35;
}

.eh-pre-register-page .founder-step--optional-health .founder-step__toggle:hover,
.eh-pre-register-page .founder-step--optional-health .founder-step__toggle:focus {
  background: rgba(var(--lt-teal-rgb), 0.05);
  outline: none;
}

.eh-pre-register-page .founder-step--optional-health.is-open .founder-step__toggle {
  border-bottom: 1px solid rgba(8, 19, 40, 0.07);
}

.eh-pre-register-page .founder-label--optional-health,
.eh-pre-register-page .founder-step--optional-health .founder-step__toggle .founder-label {
  font-size: 0.6875rem !important;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pr-ink-soft) !important;
  margin: 0 !important;
  line-height: 1.35;
}

.eh-pre-register-page .founder-step--optional-health .founder-step__chevron {
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--lt-ink-mute);
  border-bottom: 2px solid var(--lt-ink-mute);
  transform: rotate(45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.eh-pre-register-page .founder-step--optional-health.is-open .founder-step__chevron {
  transform: rotate(-135deg);
  border-color: var(--lt-teal);
}

.eh-pre-register-page .founder-step--optional-health.is-open .founder-step__panel {
  display: block;
  padding: 0.85rem 1rem 1rem;
}

.eh-pre-register-page .founder-step--optional-health:not(.is-open) > .founder-step__panel,
.eh-pre-register-page .founder-step--optional-health .founder-step__panel[hidden] {
  display: none !important;
  height: 0 !important;
  overflow: hidden !important;
  padding: 0 !important;
  margin: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.eh-pre-register-page .founder-step--optional-health .founder-fields {
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.eh-pre-register-page .founder-step--optional-health .founder-field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--lt-ink-mute);
  margin-bottom: 0.3rem;
}

.eh-pre-register-page .founder-step--optional-health .founder-textarea {
  min-height: 4.25rem;
  padding: 0.7rem 0.85rem;
  font-size: 0.875rem;
  line-height: 1.45;
  border-radius: 10px;
}

.eh-pre-register-page .founder-step--optional-health .founder-textarea::placeholder {
  color: rgba(8, 19, 40, 0.38);
  font-size: 0.8125rem;
}

.eh-pre-register-page .platform-cta-buttons {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .eh-pre-register-page .founder-step--optional-health .founder-step__toggle {
    padding: 0.75rem 0.85rem;
  }

  .eh-pre-register-page .founder-step--optional-health.is-open .founder-step__panel {
    padding: 0.75rem 0.85rem 0.85rem;
  }

  .eh-pre-register-page .founder-label--optional-health,
  .eh-pre-register-page .founder-step--optional-health .founder-step__toggle .founder-label {
    font-size: 0.625rem !important;
    letter-spacing: 0.14em;
  }

  .eh-pre-register-page .founder-step--optional-health .founder-textarea {
    min-height: 3.75rem;
    font-size: 0.8125rem;
  }
}

/* --- Dual-membership signup: stack on smaller screens --- */
@media (max-width: 860px) {
  .eh-pre-register-page .eh-pr-auth__grid {
    grid-template-columns: 1fr;
  }

  .eh-pre-register-page .eh-pr-auth__form {
    order: -1;
  }

  .eh-pre-register-page .eh-pr-compare__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .eh-pre-register-page .eh-pr-segmented {
    width: 100%;
  }

  .eh-pre-register-page .eh-pr-segmented__btn {
    flex: 1;
    padding: 0.65rem 0.75rem;
  }

  .eh-pre-register-page .eh-pr-final-cta__actions {
    flex-direction: column;
  }

  .eh-pre-register-page .eh-pr-final-cta__btn {
    width: 100%;
  }

  .eh-pre-register-page .intro-hero-cta {
    flex-direction: column;
  }

  .eh-pre-register-page .intro-hero-cta__btn {
    width: 100%;
  }
}