/* ============================================================
   SESSIONS - "WHAT YOU CAN DO" flip-card grid
   All rules scoped to .ses-do to avoid conflicts.
   ============================================================ */

.ses-do {
  background: var(--bg-grey);
  padding-block: 72px;
}

/* Intro */
.ses-do__intro {
  margin-bottom: 2.5rem;
}
.ses-do__eyebrow {
  display: block;
  font-family: Inter, -apple-system, sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 1rem;
  -webkit-font-smoothing: antialiased;
}
.ses-do__headline {
  font-family: 'Inter Display', Inter, -apple-system, sans-serif;
  font-size: var(--fs-h2);
  font-weight: var(--fw-heading);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--blue);
  max-width: 22ch;
  margin: 0;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------
   Grid — 3 columns desktop, fixed-height cards
   ------------------------------------------------------------ */
.ses-do__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

/* ------------------------------------------------------------
   Flip card
   ------------------------------------------------------------ */
.ses-do__card {
  perspective: 1000px;
  height: 116px;
  cursor: pointer;
  outline: none;
}

.ses-do__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.ses-do__card.is-flipped .ses-do__inner {
  transform: rotateY(180deg);
}

/* Faces */
.ses-do__front,
.ses-do__back {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  box-sizing: border-box;
}

/* Front */
.ses-do__front {
  background: var(--white);
  border: 0.5px solid var(--border);
  transition: border-color 0.2s ease;
  justify-content: center; /* center numeral/title/hint as a group */
}
.ses-do__num {
  font-family: 'Inter Display', Inter, -apple-system, sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--purple);
}
.ses-do__title {
  font-family: Inter, -apple-system, sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  line-height: 1.3;
  margin: 8px 0 0;
  -webkit-font-smoothing: antialiased;
}
.ses-do__hint {
  margin-top: 10px;
  font-family: Inter, -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--purple);
  opacity: 0;
  transition: opacity 0.2s ease;
  -webkit-font-smoothing: antialiased;
}

/* Hover affordance — border highlights, hint fades in */
.ses-do__card:hover .ses-do__front,
.ses-do__card:focus-visible .ses-do__front {
  border-color: var(--purple);
}
.ses-do__card:hover .ses-do__hint,
.ses-do__card:focus-visible .ses-do__hint {
  opacity: 1;
}

/* Back */
.ses-do__back {
  background: var(--blue);
  transform: rotateY(180deg);
  justify-content: center;
}
.ses-do__back-label {
  font-family: Inter, -apple-system, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 8px;
  -webkit-font-smoothing: antialiased;
}
.ses-do__desc {
  font-family: Inter, -apple-system, sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  color: #ffffff;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

/* Focus ring on the card */
.ses-do__card:focus-visible {
  border-radius: 12px;
  box-shadow: 0 0 0 2px var(--purple);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .ses-do__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .ses-do {
    padding-block: 56px;
  }
}

@media (max-width: 600px) {
  .ses-do__grid {
    grid-template-columns: 1fr;
  }
  .ses-do__headline {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .ses-do {
    padding-block: 48px;
  }
}

/* ============================================================
   ACCESSIBILITY - prefers-reduced-motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .ses-do__inner {
    transition: none;
  }
}