/* 人類圖課程報名頁（熟齡友善版） */
.page-hd-signup {
  --signup-body: 18px;
  --signup-small: 16px;
  --signup-button: 17px;
  padding-bottom: 0;
}

.page-hd-signup p,
.page-hd-signup li {
  font-size: var(--signup-body);
  line-height: 1.9;
}

.signup-referral {
  min-height: 44px;
  padding: 9px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-bg);
  background: var(--color-brand);
  font-family: var(--font-body);
  font-size: var(--signup-small);
  line-height: 1.6;
  text-align: center;
}

.signup-referral[hidden] { display: none; }

.signup-referral > span {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--color-hd-accent);
}

.signup-referral strong { color: var(--color-hd-soft); }

.signup-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 80px;
  background:
    radial-gradient(circle at 50% 42%, transparent 0 126px, rgba(94, 35, 56, 0.08) 127px 128px, transparent 129px 204px, rgba(94, 35, 56, 0.08) 205px 206px, transparent 207px),
    var(--color-bg);
}

.signup-hero .eyebrow,
.signup-intro .eyebrow,
.signup-audience .eyebrow,
.signup-teacher .eyebrow,
.signup-faq .eyebrow {
  color: var(--color-hd-dark);
  font-size: var(--signup-small);
  letter-spacing: 0.12em;
}

.signup-hero h1 {
  margin: 20px 0 28px;
  color: var(--color-text);
  font-size: clamp(42px, 5.4vw, 68px);
  line-height: 1.35;
  font-weight: 500;
}

.signup-hero h1 em {
  color: var(--color-brand);
  font-style: normal;
}

.signup-hero__lead {
  max-width: 720px;
  margin: 0 auto 32px;
  color: var(--color-text-soft);
}

.signup-hero__actions .btn,
.signup-enrol-card .btn,
.signup-final-cta .btn {
  min-height: 52px;
  padding: 14px 28px;
  font-size: var(--signup-button);
}

.signup-highlights {
  display: flex;
  justify-content: center;
  gap: 14px 32px;
  margin: 38px 0 0;
  padding: 0;
  color: var(--color-text-soft);
  list-style: none;
}

.signup-highlights li {
  position: relative;
  font-size: var(--signup-small);
}

.signup-highlights li + li::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -18px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-hd-accent);
}

.signup-intro,
.signup-audience,
.signup-faq { padding: 88px 0; }

.signup-intro h2,
.signup-audience h2,
.signup-teacher h2,
.signup-faq h2,
.signup-final-cta h2 {
  margin-bottom: 30px;
  color: var(--color-hd-dark);
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.5;
}

.signup-reading-column { max-width: 720px; }

.signup-reading-column p,
.signup-teacher p,
.signup-final-cta p { color: var(--color-text-soft); }

.signup-course { padding: 20px 0 48px; }
.signup-course--abc { padding: 0 0 88px; }

.signup-course-card {
  padding: 52px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-card);
}

.signup-course-card--abc {
  background: linear-gradient(145deg, var(--color-card), var(--color-hd-soft));
}

.signup-course-card__heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.signup-course-card__heading h2 {
  margin: 4px 0 0;
  color: var(--color-hd-dark);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.4;
}

.signup-course-card__en {
  margin: 18px 0 0;
  color: var(--color-text-soft);
  font-size: var(--signup-small) !important;
}

.signup-level {
  color: rgba(94, 35, 56, 0.12);
  font-family: var(--font-heading-en);
  font-size: 88px;
  font-weight: 600;
  line-height: 1;
}

.signup-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 38px 0 44px;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.signup-facts div {
  padding: 20px;
  border-right: 1px solid var(--color-line);
}

.signup-facts div:first-child { padding-left: 0; }
.signup-facts div:last-child { border-right: 0; }

.signup-facts span,
.signup-facts strong { display: block; }

.signup-facts span {
  margin-bottom: 6px;
  color: var(--color-text-soft);
  font-family: var(--font-body);
  font-size: var(--signup-small);
}

.signup-facts strong {
  color: var(--color-text);
  font-size: 17px;
}

.signup-course-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.75fr);
  align-items: start;
  gap: 56px;
}

.signup-course-copy h3,
.signup-sessions h3 {
  margin: 30px 0 16px;
  color: var(--color-hd-dark);
  font-size: 23px;
}

.signup-course-copy > p { color: var(--color-text-soft); }

.signup-outcomes {
  margin: 0;
  padding-left: 28px;
}

.signup-outcomes li {
  margin: 10px 0;
  padding-left: 4px;
}

.signup-outcomes li::marker { color: var(--color-hd-dark); }

.signup-enrol-card {
  padding: 28px;
  border: 1px solid rgba(94, 35, 56, 0.16);
  border-radius: var(--radius-card);
  background: var(--color-bg);
}

.signup-enrol-card__label {
  margin: 0 0 12px;
  color: var(--color-hd-dark);
  font-weight: 600;
}

.signup-enrol-card > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--color-line);
}

.signup-enrol-card > div span {
  color: var(--color-text-soft);
  font-family: var(--font-body);
  font-size: var(--signup-small);
}

.signup-enrol-card > div strong {
  color: var(--color-hd-dark);
  font-size: 21px;
  white-space: nowrap;
}

.signup-enrol-card .btn {
  width: 100%;
  margin-top: 22px;
}

.signup-form-note {
  margin: 12px 0 0;
  color: var(--color-text-soft);
  font-size: var(--signup-small) !important;
  text-align: center;
}

.signup-sessions {
  margin-top: 46px;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.signup-session-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.signup-session-grid article {
  padding: 22px;
  border-left: 4px solid var(--color-hd);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: var(--color-bg);
}

.signup-session-grid article span,
.signup-session-grid article strong { display: block; }

.signup-session-grid article span {
  color: var(--color-hd-dark);
  font-size: var(--signup-small);
  font-weight: 600;
}

.signup-session-grid article strong {
  margin-top: 8px;
  color: var(--color-text);
  font-size: 18px;
  line-height: 1.7;
}

.signup-session-grid article p,
.signup-location-note p {
  margin: 8px 0 0;
  color: var(--color-text-soft);
  font-size: var(--signup-small);
}

.signup-location-note {
  margin-top: 18px;
  padding: 18px 22px;
  border-radius: var(--radius-card);
  background: rgba(235, 177, 90, 0.12);
}

.signup-location-note p:first-child { margin-top: 0; }
.signup-audience { background: var(--color-bg); }
.signup-audience h2 { max-width: 680px; }

.signup-audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 44px;
  border-top: 1px solid var(--color-line);
}

.signup-audience-grid article {
  padding: 28px 22px;
  border-right: 1px solid var(--color-line);
}

.signup-audience-grid article:first-child { padding-left: 0; }
.signup-audience-grid article:last-child { border-right: 0; }

.signup-audience-grid article > span {
  color: var(--color-hd-dark);
  font-family: var(--font-body-en);
  font-size: var(--signup-small);
}

.signup-audience-grid h3 {
  margin: 12px 0 10px;
  color: var(--color-hd-dark);
  font-size: 21px;
}

.signup-audience-grid p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: var(--signup-small);
}

.signup-teacher { padding: 88px 0; }
.signup-credentials li { margin: 8px 0; }

.signup-teacher-quote {
  margin: 28px 0;
  padding: 8px 0 8px 28px;
  border-left: 3px solid var(--color-hd-accent);
}

.signup-teacher-quote p:first-child { margin-top: 0; }
.signup-teacher-quote p:last-child { margin-bottom: 0; }

.signup-faq-list { border-top: 1px solid var(--color-text); }
.signup-faq-list details { border-bottom: 1px solid var(--color-line); }

.signup-faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
  padding: 18px 0;
  color: var(--color-text);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.7;
  list-style: none;
}

.signup-faq-list summary::-webkit-details-marker { display: none; }

.signup-faq-list summary span {
  color: var(--color-hd-dark);
  font-size: 26px;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.signup-faq-list details[open] summary span { transform: rotate(45deg); }

.signup-faq-list details p {
  max-width: 720px;
  margin: -2px 0 24px;
  color: var(--color-text-soft);
}

.signup-final-cta { padding: 88px 0; }
.signup-final-cta h2 { color: var(--color-bg); }
.signup-final-cta p { color: var(--color-brand-soft); }
.signup-mobile-actions { display: none; }

@media (max-width: 1023px) {
  .signup-course-card { padding: 42px 34px; }
  .signup-course-grid { grid-template-columns: 1fr; gap: 32px; }
  .signup-enrol-card { max-width: 560px; }
  .signup-audience-grid { grid-template-columns: repeat(2, 1fr); }
  .signup-audience-grid article:nth-child(2) { border-right: 0; }
  .signup-audience-grid article:nth-child(n + 3) { border-top: 1px solid var(--color-line); }
  .signup-audience-grid article:nth-child(3) { padding-left: 0; }
}

@media (max-width: 767px) {
  .page-hd-signup {
    --signup-body: 17px;
    --signup-small: 15px;
    --signup-button: 17px;
    padding-bottom: 64px;
  }

  .signup-referral { min-height: 48px; }

  .signup-hero {
    padding: 68px 0 64px;
    background:
      radial-gradient(circle at 50% 35%, transparent 0 96px, rgba(94, 35, 56, 0.08) 97px 98px, transparent 99px 156px, rgba(94, 35, 56, 0.08) 157px 158px, transparent 159px),
      var(--color-bg);
  }

  .signup-hero h1 {
    margin-top: 16px;
    font-size: clamp(38px, 11vw, 48px);
    line-height: 1.45;
  }

  .signup-hero__actions,
  .signup-final-cta .btn-group { flex-direction: column; }

  .signup-hero__actions .btn,
  .signup-final-cta .btn { width: 100%; }

  .signup-highlights { flex-wrap: wrap; gap: 8px 24px; }
  .signup-highlights li + li::before { left: -14px; }

  .signup-intro,
  .signup-audience,
  .signup-teacher,
  .signup-faq,
  .signup-final-cta { padding: 68px 0; }

  .signup-course,
  .signup-course--abc { padding: 0 0 24px; }

  .signup-course--abc { padding-bottom: 68px; }

  .signup-course-card {
    margin: 0 -4px;
    padding: 34px 20px;
  }

  .signup-course-card__heading { position: relative; }
  .signup-course-card__heading h2 { font-size: 32px; }

  .signup-level {
    position: absolute;
    top: -14px;
    right: 0;
    font-size: 58px;
  }

  .signup-facts {
    grid-template-columns: repeat(2, 1fr);
    margin: 30px 0 34px;
  }

  .signup-facts div { padding: 16px 12px; }
  .signup-facts div:nth-child(2) { border-right: 0; }
  .signup-facts div:nth-child(3),
  .signup-facts div:nth-child(4) { border-top: 1px solid var(--color-line); }
  .signup-facts div:nth-child(3) { padding-left: 0; }

  .signup-enrol-card > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .signup-session-grid,
  .signup-session-grid--abc { grid-template-columns: 1fr; }
  .signup-session-grid article { padding: 20px 18px; }
  .signup-audience-grid { grid-template-columns: 1fr; }

  .signup-audience-grid article,
  .signup-audience-grid article:first-child,
  .signup-audience-grid article:nth-child(3) {
    padding: 24px 0;
    border-right: 0;
    border-top: 1px solid var(--color-line);
  }

  .signup-audience-grid article:first-child { border-top: 0; }

  .signup-mobile-actions {
    position: fixed;
    z-index: 100;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 64px;
    border-top: 1px solid rgba(255, 255, 255, 0.24);
  }

  .signup-mobile-actions a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    color: var(--color-bg);
    background: var(--color-brand);
    font-family: var(--font-body);
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
  }

  .signup-mobile-actions a + a {
    border-left: 1px solid rgba(255, 255, 255, 0.24);
    background: var(--color-hd-dark);
  }
}