/* Secretariat (SPEC 9.4, reference/16 to 18) */

.sec-head {
  position: relative;
  overflow: hidden;
  padding: calc(var(--section-pad) + 40px) 0 64px;
  text-align: center;
}

.sec-head__orb {
  top: 10%;
  left: 50%;
  width: 560px;
  aspect-ratio: 1;
  border: 1px solid rgb(var(--teal-rgb) / 0.08);
  background: radial-gradient(circle, rgb(var(--teal-dark-rgb) / 0.2) 0%, transparent 65%);
  transform: translateX(-50%);
}

.sec-head .container {
  position: relative;
}

.sec-head__title {
  text-shadow:
    0 0 80px rgb(var(--teal-rgb) / 0.2),
    0 0 160px rgb(var(--teal-rgb) / 0.08);
}

.sec-head__title span {
  display: block;
  color: var(--teal);
}

.sec-head__text {
  max-width: 560px;
  margin: 24px auto 0;
  font-size: var(--fs-lead);
  color: var(--ink-75);
}

.people-group {
  padding-bottom: 20px;
}

.people-group:last-of-type {
  padding-bottom: var(--section-pad);
}

.people-group__title {
  margin: 8px 0 32px;
  font-size: var(--fs-section);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
}

.people {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin-inline: auto;
}

/* The card: two faces in 3D (OakMUN had no perspective, so its flip looked flat) */
.person {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-card);
  perspective: 1200px;
  cursor: pointer;
  transition: transform var(--dur-hover) var(--ease-standard);
}

@media (hover: hover) {
  .person:hover {
    transform: translateY(-5px);
  }
}

.person__inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 0.65s var(--ease-standard);
}

.person.is-flipped .person__inner {
  transform: rotateY(180deg);
}

.person__face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: var(--radius-card);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* Front: photo, or initials in a teal ring on navy (SPEC 9.4) */
.person__front {
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--blue-700) 0%, var(--blue-650) 100%);
}

/* Over a photo, a soft dark fade behind the name keeps it readable */
.person--photo .person__front::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgb(var(--wash-rgb) / 0.6) 0%,
    rgb(var(--wash-rgb) / 0.3) 22%,
    rgb(var(--wash-rgb) / 0.1) 38%,
    transparent 55%
  );
  pointer-events: none;
}

.person__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.person__initials {
  display: grid;
  place-items: center;
  width: 46%;
  aspect-ratio: 1;
  margin-top: 18%;
  border: 2px solid rgb(var(--teal-rgb) / 0.6);
  border-radius: 50%;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--teal-light);
}

.person__label {
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  z-index: 1;
  text-align: left;
}

.person__name {
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.05;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.person__name::after {
  content: "";
  display: block;
  width: 62%;
  height: 1px;
  margin: 10px 0 6px;
  background: linear-gradient(90deg, rgb(var(--ink-rgb) / 0.6), rgb(var(--teal-rgb) / 0.7) 60%, transparent);
}

.person__role {
  font-size: 0.82rem;
  font-style: italic;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--ink-85);
}

.person__sig {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 1;
  width: 45%;
  opacity: 0.9;
}

/* Back: navy gradient, name, role, Instagram */
.person__back {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  border: 1px solid rgb(var(--teal-rgb) / 0.2);
  background: linear-gradient(145deg, var(--blue-800) 0%, var(--blue-660) 55%, var(--blue-650) 100%);
  text-align: center;
  transform: rotateY(180deg);
}

.person__back::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgb(var(--teal-rgb) / 0.6), transparent);
}

.person__back-name {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink-100);
}

.person__back-role {
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gilt);
}

.person__handle {
  margin-top: 4px;
  font-size: 0.9rem;
  color: var(--ink-75);
  overflow-wrap: anywhere;
}

.person__ig {
  margin-top: 4px;
}

/* Flip button: bottom left, clear of the name and the signature slot */
.person__flip {
  position: absolute;
  bottom: 16px;
  left: 16px;
  z-index: 3;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--grad-primary);
  box-shadow: 0 6px 18px rgb(var(--teal-rgb) / 0.25);
  font-size: var(--fs-label);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  transition: transform var(--dur-snap) var(--ease-snap);
}

.person__flip:hover {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .people {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .person__label {
    top: 16px;
    left: 16px;
    right: 16px;
  }

  .person__name {
    font-size: 1rem;
  }

  .person__role {
    font-size: var(--fs-label);
  }

  .person__flip {
    bottom: 12px;
    left: 12px;
    padding: 7px 12px;
  }

  .person__back {
    padding: 16px;
  }

  .person__back-name {
    font-size: 1.05rem;
  }
}

@media (max-width: 400px) {
  .people {
    grid-template-columns: minmax(0, 1fr);
    max-width: 320px;
  }
}

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