/* ============ FOLD 07 · Speakers ============ */

.speakers {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  padding: 5.5637rem 0;
  background: var(--white);
}

.speakers__inner {
  display: flex; flex-direction: column; align-items: center; gap: 2.7818rem;
  width: 103.9709rem; padding: 0 1.3909rem;
}

/* ---- Header ---- */
.speakers__head { display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center; }
.speakers__eyebrow {
  height: 2.9557rem; padding-bottom: 0.8693rem;
  font-weight: 500; font-size: 2.0864rem; line-height: 2.7818rem;
  color: var(--navy-50);          /* Figma: #f3f6f9 on white (very subtle) */
}
.speakers__title {
  width: 74.7617rem;
  font-weight: 700;font-size: 4rem; line-height: 1.15;
  color: var(--accent-coral);
}
.speakers__sub {
  width: 81.657rem;
  font-weight: 400; font-size: 20px; line-height: 1.4; color: var(--black);
}

/* ---- Cards ---- */
.speakers__grid { display: flex; gap: 2.0864rem; width: 72.1891rem; }

.speaker {
  flex: 1 0 0; min-width: 0; padding: 0.6955rem; border-radius: 1.7386rem;
  perspective: 160rem; cursor: auto; outline: none;
}
.speaker:focus-visible { box-shadow: 0 0 0 0.3rem var(--brand-blue); }
.speaker__flipper {
  position: relative; height: 45.594rem;
  transform-style: preserve-3d;
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.speaker.is-flipped .speaker__flipper { transform: rotateY(180deg); }
@media (hover: hover) {
  .speaker:hover .speaker__flipper { transform: rotateY(180deg); }
}
.speaker__card {
  position: absolute; inset: 0;
  -webkit-backface-visibility: hidden; backface-visibility: hidden;
  display: flex; flex-direction: column; gap: 1.4rem;
  height: 43.594rem;
  padding: 1.3909rem 1.3909rem 2.7818rem;
  border-radius: 1.7386rem;
  overflow: hidden;
  background: var(--card-bg);
}
.speaker--lagoon   { --card-bg: var(--lagoon-500);   --pill-bg: var(--lagoon-400);   --pill-ink: var(--lagoon-800);   --ink: var(--lagoon-900); }
.speaker--sunshine { --card-bg: var(--sunshine-500); --pill-bg: var(--sunshine-200); --pill-ink: var(--sunshine-800); --ink: var(--sunshine-900); }

/* Photo cut to the same bowed-edge shape used across the site */
.speaker__photo { display: block; width: 31.3786rem;
    height: 22.3792rem;flex-shrink: 0; }

.speaker__info { display: flex; flex-direction: column; align-items: center; gap: 1.6rem; text-align: center; }
.speaker__pill {
  padding: 0.6955rem 1.3909rem;
  background: var(--pill-bg);
  border-radius: 7.8239rem;
  font-weight: 900; font-size: 12px; line-height: normal; letter-spacing: 0.0801rem;
  text-transform: uppercase; color: var(--pill-ink); white-space: nowrap;
}
.speaker__name { width: 100%; font-weight: 700; font-size:  2.5rem; line-height: 1.15; letter-spacing: -0.0869rem; color: var(--ink); }
.speaker__role { width: 100%; margin-top: 0; font-weight: 500; font-size: 17px; line-height: 1.5;  color: var(--ink); }
.speaker__text { display: flex; flex-direction: column; gap: 1rem; width: 100%; }

/* ---- Flip hint (corner chip) ---- */
.speaker__flip-hint {
  position: absolute; right: 2rem; bottom: 2rem;
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1.2rem 0.7rem 0.9rem;
  border-radius: 99.9rem;
  background: rgba(255, 255, 255, 0.28);
  font-weight: 700; font-size: 12px; letter-spacing: 0.06rem; text-transform: uppercase;
  color: var(--ink);
}
.speaker__flip-hint svg {
  width: 1.5rem; height: 1.5rem;
  fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round;
}
.speaker__flip-hint--back { padding: 0.8rem; }

/* ---- Back face: session details ---- */
.speaker__back {
  transform: rotateY(180deg);
  align-items: flex-start; justify-content: center; gap: 1.8rem;
     padding: 2.8rem 2.4rem 2.4rem;
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(255, 255, 255, 0.22), transparent 60%),
    var(--card-bg);
}
.speaker__back .speaker__pill { background: var(--pill-bg); }
.speaker__session {
font-weight: 800;
    font-size: 2rem;
    line-height: 1.15;
  color: var(--ink);
}
.speaker__desc { font-weight: 500; font-size: 20px; line-height: 1.4; color: var(--ink); opacity: 0.85; }
.speaker__by {
  display: flex; align-items: center; gap: 1.4rem;
  width: 100%; margin-top: 1.4rem; padding-top: 2.2rem;
  border-top: 0.1rem solid color-mix(in srgb, var(--ink) 22%, transparent);
}
.speaker__avatar {
  width: 5.6rem; height: 5.6rem; flex-shrink: 0;
  border-radius: 50%; object-fit: cover; object-position: 50% 20%;
  box-shadow: 0 0 0 0.3rem rgba(255, 255, 255, 0.6);
}
.speaker__by-name { font-weight: 700; font-size: 1.8rem; line-height: 1.2; color: var(--ink); }
.speaker__by-role { font-weight: 500; font-size: 1.4rem; line-height: 1.4; color: var(--ink); opacity: 0.8; }

@media (prefers-reduced-motion: reduce) {
  .speaker__flipper { transition-duration: 0.01s; }
}

/* ---- Footnote ---- */
.speakers__more { display: flex; align-items: center; justify-content: center; gap: 0.8693rem; width: 100%; }
.speakers__more p { font-weight: 400; font-size: 20px; line-height: 1.5; color: var(--black); white-space: nowrap; }

/* ---- 3D sunglasses (footnote) ---- */
.shades {
  --w: 10rem; --h: 4.683rem;
  position: relative; flex-shrink: 0;
  width: var(--w); height: var(--h);
  margin-right: 0.8rem;
  perspective: 42rem;
  cursor: pointer;
}
.shades__rig {
  position: absolute; inset: 0;
  transform-style: preserve-3d;
  transform: rotateX(10deg) rotateY(-20deg);
  animation: shades-float 5s ease-in-out infinite;
}
.shades__front, .shades__layer {
  position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible;
}
.shades__front { transform: translateZ(0.05rem); filter: drop-shadow(0 0.3rem 0.4rem rgba(20, 50, 120, 0.25)); }
.shades__layer { transform: translateZ(var(--z)); fill: #1d4cc0; }
/* temples: thin bars pointing back into the scene */
.shades__arm {
  position: absolute; top: 0.6rem;
  width: 6.2rem; height: 0.5rem;
  border-radius: 0.3rem;
  background: linear-gradient(#3a78f0, #1a45b3);
  transform-origin: 0 50%;
}
.shades__arm--l { left: 0.25rem;  transform: rotateY(98deg); }
.shades__arm--r { left: calc(var(--w) - 0.25rem); transform: rotateY(82deg); }

.shades__shine { transform: skewX(-20deg) translateX(0); }

/* sparkles */
.shades__star {
  position: absolute; left: var(--x); top: var(--y);
  width: var(--s); height: var(--s);
  opacity: 0; transform: scale(0);
  pointer-events: none;
}
.shades__star svg { display: block; width: 100%; height: 100%; fill: #ffc93c; filter: drop-shadow(0 0 0.15rem rgba(255, 180, 60, 0.9)); }

/* hover sequence: wobble (1.1s) → glint + stars */
.shades.is-wobbling .shades__rig  { animation: shades-wobble 1.1s cubic-bezier(0.36, 0.07, 0.19, 0.97) both; }
.shades.is-wobbling .shades__shine { animation: shades-shine 0.7s ease-out 0.85s both; }
.shades.is-wobbling .shades__star  { animation: shades-star 0.9s ease-out calc(0.9s + var(--sd)) both; }

@keyframes shades-float {
  0%, 100% { transform: rotateX(10deg) rotateY(-20deg) translateY(0); }
  50%      { transform: rotateX(6deg)  rotateY(-8deg)  translateY(-0.2rem); }
}
@keyframes shades-wobble {
  0%   { transform: rotateX(10deg) rotateY(-20deg) rotateZ(0) translateY(0); }
  14%  { transform: rotateX(4deg)  rotateY(28deg)  rotateZ(-9deg) translateY(-0.5rem); }
  30%  { transform: rotateX(14deg) rotateY(-38deg) rotateZ(7deg)  translateY(-0.2rem); }
  46%  { transform: rotateX(6deg)  rotateY(22deg)  rotateZ(-5deg) translateY(-0.1rem); }
  62%  { transform: rotateX(12deg) rotateY(-26deg) rotateZ(3deg); }
  78%  { transform: rotateX(9deg)  rotateY(-12deg) rotateZ(-1deg); }
  100% { transform: rotateX(10deg) rotateY(-20deg) rotateZ(0) translateY(0); }
}
@keyframes shades-shine {
  from { transform: skewX(-20deg) translateX(0); }
  to   { transform: skewX(-20deg) translateX(19rem); }
}
@keyframes shades-star {
  0%   { opacity: 0; transform: scale(0) rotate(0deg); }
  35%  { opacity: 1; transform: scale(1.25) rotate(45deg); }
  100% { opacity: 0; transform: scale(0.2) rotate(120deg); }
}

@media (prefers-reduced-motion: reduce) {
  .shades__rig, .shades.is-wobbling .shades__rig { animation: none; }
}