/* Dynamic USMLE Step 1 Format & Coverage accordion for Template One.
   Uses the shared Differential Diagnosis design tokens from global.css. */

.dd-step-format {
  position: relative;
  width: 100%;
  padding: clamp(52px, 5vw, 74px) 0 clamp(56px, 5.2vw, 78px);
  background: radial-gradient(circle at 92% 12%, rgba(8, 120, 237, 0.035), transparent 28%), linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.dd-step-format__heading {
  width: min(100%, 1050px);
  margin: 0 auto clamp(34px, 3.3vw, 54px);
  text-align: center;
}

.dd-step-format__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 34px;
  margin-bottom: 14px;
  padding: 7px 14px;
  border: 1px solid var(--alpha-blue-15);
  border-radius: 999px;
  color: var(--color-blue);
  background: var(--alpha-blue-08);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.dd-step-format__eyebrow-icon {
  width: 17px;
  height: 17px;
}

.dd-step-format__eyebrow-icon .fi,
.dd-step-format__eyebrow-icon .fi::before {
  font-size: 15px;
}

.dd-step-format__title {
  margin: 0;
  color: var(--color-navy);
  font-size: clamp(38px, 3.35vw, 64px);
  font-weight: 800;
  letter-spacing: -0.042em;
  line-height: 1.12;
}

.dd-step-format__title strong {
  color: var(--color-teal);
  font-weight: 800;
}

.dd-step-format__accent {
  display: block;
  width: 74px;
  height: 4px;
  margin: 18px auto 0;
  border-radius: 999px;
  background: var(--color-red);
}

.dd-step-format__intro {
  width: min(100%, 790px);
  margin: 16px auto 0;
  color: var(--color-body);
  font-size: clamp(16px, 1.02vw, 19px);
  line-height: 1.7;
}

.dd-step-format__intro p {
  margin: 0;
}

.dd-step-format__intro p + p {
  margin-top: 12px;
}

.dd-exam-accordion {
  display: grid;
  gap: 13px;
}

.dd-exam-accordion__item {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-white);
  box-shadow: 0 8px 24px var(--alpha-navy-08);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.dd-exam-accordion__item.is-open {
  border-color: var(--alpha-blue-20);
  box-shadow: 0 18px 48px var(--alpha-navy-10);
}

.dd-exam-accordion__heading {
  margin: 0;
}

.dd-exam-accordion__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  width: 100%;
  min-height: 84px;
  padding: 14px 22px 14px 18px;
  border: 0;
  color: var(--color-navy);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.dd-exam-accordion__trigger--no-icon {
  grid-template-columns: 1fr auto;
}

.dd-exam-accordion__trigger:focus-visible {
  border-radius: 16px;
  outline: 3px solid var(--alpha-blue-30);
  outline-offset: -4px;
}

.dd-exam-accordion__icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  color: var(--color-white);
  background: var(--color-blue);
  box-shadow: 0 9px 20px var(--alpha-blue-20);
}

.dd-exam-accordion__icon .fi,
.dd-exam-accordion__icon .fi::before {
  font-size: 23px;
}

.dd-exam-accordion__label {
  min-width: 0;
  font-size: clamp(18px, 1.28vw, 24px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.dd-exam-accordion__label strong {
  color: var(--color-teal);
  font-weight: 700;
}

.dd-exam-accordion__toggle {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--color-white);
  background: var(--color-blue);
  box-shadow: 0 7px 16px var(--alpha-blue-20);
  transition: background 180ms ease;
}

.dd-exam-accordion__toggle::before,
.dd-exam-accordion__toggle::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 180ms ease, opacity 180ms ease;
}

.dd-exam-accordion__toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.dd-exam-accordion__item.is-open .dd-exam-accordion__toggle {
  background: var(--color-red);
}

.dd-exam-accordion__item.is-open .dd-exam-accordion__toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0);
}

.dd-exam-accordion__panel {
  max-height: 0;
  overflow: hidden;
  border-top: 0 solid transparent;
  transition: max-height 360ms ease, border-color 220ms ease;
}

.dd-exam-accordion__item.is-open .dd-exam-accordion__panel {
  border-top: 1px solid var(--color-border);
}

.dd-exam-accordion__panel-inner {
  padding: 26px;
}

.dd-exam-detail {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 3.6vw, 64px);
  align-items: center;
}

.dd-exam-detail__media {
  position: relative;
  height: 360px;
  margin: 0;
  overflow: hidden;
  border-radius: 17px;
  background: var(--color-surface);
  box-shadow: inset 0 0 0 1px var(--alpha-navy-05);
}

.dd-exam-detail__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.dd-exam-detail__content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 4px 0;
}

.dd-exam-detail--full {
  grid-template-columns: minmax(0, 1fr);
}

.dd-exam-detail--full .dd-exam-detail__content {
  width: 100%;
  max-width: none;
  padding: 8px 0;
}

.dd-exam-detail__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  align-self: flex-start;
  margin-bottom: 11px;
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.dd-exam-detail__kicker::before {
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: var(--color-red);
  content: "";
}

.dd-exam-detail__body p {
  margin: 0;
  color: var(--color-ink);
  font-size: clamp(16px, 0.96vw, 18px);
  font-weight: 500;
  line-height: 1.75;
}

.dd-exam-detail__body p + p {
  margin-top: 16px;
}

.dd-exam-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid var(--alpha-cyan-20);
  border-left: 4px solid var(--color-cyan);
  border-radius: 14px;
  background: var(--color-surface-blue);
}

.dd-exam-note--no-icon {
  grid-template-columns: 1fr;
}

.dd-exam-note__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: var(--color-white);
  background: var(--color-blue);
}

.dd-exam-note__icon .fi,
.dd-exam-note__icon .fi::before {
  font-size: 22px;
}

.dd-exam-note p {
  margin: 0;
  color: var(--color-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.65;
}

.dd-exam-note strong {
  color: var(--color-navy);
}

@media (min-width: 1920px) {
  .dd-exam-accordion__trigger {
    min-height: 92px;
  }

  .dd-exam-accordion__panel-inner {
    padding: 32px;
  }

  .dd-exam-detail__media {
    height: 390px;
  }
}

@media (max-width: 991px) {
  .dd-step-format {
    padding: 48px 0 56px;
  }

  .dd-exam-detail {
    grid-template-columns: 1fr;
  }

  .dd-exam-detail__media {
    height: 330px;
  }
}

@media (max-width: 760px) {
  .dd-step-format {
    padding: 44px 0 50px;
  }

  .dd-step-format__heading {
    margin-bottom: 28px;
  }

  .dd-step-format__title {
    font-size: clamp(32px, 9vw, 44px);
  }

  .dd-exam-accordion__trigger {
    gap: 13px;
    min-height: 72px;
    padding: 11px 14px;
  }

  .dd-exam-accordion__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
  }

  .dd-exam-accordion__icon .fi,
  .dd-exam-accordion__icon .fi::before {
    font-size: 20px;
  }

  .dd-exam-accordion__toggle {
    width: 34px;
    height: 34px;
  }

  .dd-exam-accordion__panel-inner {
    padding: 18px;
  }

  .dd-exam-detail__media {
    height: 270px;
  }
}

@media (max-width: 520px) {
  .dd-step-format {
    padding: 38px 0 44px;
  }

  .dd-step-format__eyebrow {
    font-size: 11px;
  }

  .dd-step-format__intro {
    font-size: 15px;
  }

  .dd-exam-accordion__item {
    border-radius: 14px;
  }

  .dd-exam-accordion__trigger {
    gap: 10px;
    padding: 10px 11px;
  }

  .dd-exam-accordion__icon {
    width: 40px;
    height: 40px;
  }

  .dd-exam-accordion__label {
    font-size: 15px;
  }

  .dd-exam-accordion__toggle {
    width: 30px;
    height: 30px;
  }

  .dd-exam-accordion__toggle::before,
  .dd-exam-accordion__toggle::after {
    width: 11px;
  }

  .dd-exam-accordion__panel-inner {
    padding: 15px;
  }

  .dd-exam-detail__media {
    height: 220px;
    border-radius: 13px;
  }

  .dd-exam-detail__body p {
    font-size: 14px;
    line-height: 1.68;
  }

  .dd-exam-note {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 15px;
  }

  .dd-exam-note__icon {
    width: 42px;
    height: 42px;
  }
}