.quienes-participan { background: linear-gradient(180deg, #ffffff, var(--color-bg-light-alt) 55%, #ffffff); }

.participan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.participan-col { display: flex; flex-direction: column; align-items: flex-start; }
.participan-col__title-img { height: 1.75rem; width: auto; margin-bottom: var(--space-1); }
.participan-col__title-img--empresas { aspect-ratio: 260 / 37; }
.participan-col__title-img--profesionales { aspect-ratio: 407 / 37; }
.participan-col__desc-img { height: 3rem; width: auto; margin-bottom: var(--space-3); }
.participan-col__desc-img--empresas { aspect-ratio: 482 / 76; }
.participan-col__desc-img--profesionales { aspect-ratio: 516 / 82; }
.participan-col .card {
  flex: 1;
  width: 100%;
  box-shadow:
    0 10px 30px rgba(10, 14, 44, 0.08),
    0 0 40px rgba(59, 125, 255, 0.3);
}

.checklist__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-1);
  font-weight: 500;
}
.checklist__item::before {
  content: '';
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-blue-600);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 60%;
}

@media (min-width: 768px) {
  .participan-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

.categorias { background: var(--color-bg-light); padding-top: var(--space-4); }
.categoria-grupo { margin-bottom: var(--space-8); }
.categoria-grupo__heading-img { display: block; width: min(100%, 520px); aspect-ratio: 785 / 145; margin: 0 0 var(--space-4); }
.categoria-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.categoria-item {
  position: relative;
  width: 130px;
  opacity: 0;
  transform: translateY(30px) scale(0.96);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.categoria-item.cat-reveal--visible { opacity: 1; transform: translateY(0) scale(1); }
.categoria-item:nth-child(1) { transition-delay: 0ms; }
.categoria-item:nth-child(2) { transition-delay: 100ms; }
.categoria-item:nth-child(3) { transition-delay: 200ms; }
.categoria-item:nth-child(4) { transition-delay: 300ms; }
.categoria-item:nth-child(5) { transition-delay: 400ms; }
.categoria-item.cat-reveal--visible:hover { transform: translateY(-8px) scale(1.02); }

.categoria-item::before {
  content: '';
  position: absolute;
  inset: -32px;
  background: radial-gradient(circle, rgba(59, 156, 255, 0.6), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 0;
  pointer-events: none;
}
.categoria-item:hover::before { opacity: 1; }

.categoria-item__img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1 / 1;
  transition: transform 0.35s ease;
}
.categoria-item:hover .categoria-item__img { transform: scale(1.08) translateY(-2px); }
.img-placeholder--icon {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-silver-400);
  color: var(--color-silver-100);
  width: 96px;
}

.pasos {
  background:
    radial-gradient(circle at 0% 100%, rgba(59, 125, 255, 0.5) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(59, 125, 255, 0.5) 0%, transparent 40%),
    #ffffff;
  padding-top: var(--space-4);
}
.pasos .section-title { color: var(--color-blue-600); }
.pasos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.paso-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
  padding-top: var(--space-6);
}
.paso-card__number {
  position: absolute;
  top: -1.25rem;
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-silver-400);
  -webkit-text-stroke: 1px var(--color-blue-400);
}
.paso-card--img { padding: 0; }
.paso-card__img { width: 100%; aspect-ratio: 514 / 634; }

@media (min-width: 768px) {
  .pasos-grid { grid-template-columns: repeat(3, 1fr); }
}

.ganadores {
  background: radial-gradient(circle at 50% 0%, var(--color-blue-600), var(--color-navy-900) 60%);
  text-align: center;
}
.ganadores__heading-img { width: min(100%, 360px); aspect-ratio: 569 / 49; margin: 0 auto var(--space-6); }
.ganadores__podio {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.ganadores__pedestal {
  position: relative;
  z-index: 1;
  width: 140px;
  aspect-ratio: 279 / 307;
  display: block;
  opacity: 0;
  transform: translateY(40px) scale(0.85);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.ganadores__pedestal--2 { aspect-ratio: 271 / 441; }
.ganadores__pedestal--1 {
  width: 170px;
  aspect-ratio: 279 / 576;
  transform: translateY(40px) scale(0.75);
}

.ganadores__wrap { position: relative; width: 140px; }
.ganadores__wrap--1 { width: 170px; }

.ganadores__glow {
  position: absolute;
  inset: -16px;
  z-index: 0;
  filter: blur(16px);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  opacity: 0;
  pointer-events: none;
}
.ganadores__glow--1 {
  background: rgba(255, 195, 60, 0.95);
  -webkit-mask-image: url('../img/ganadores/pedestal-1.webp');
  mask-image: url('../img/ganadores/pedestal-1.webp');
}
.ganadores__glow--2 {
  background: rgba(200, 208, 218, 0.95);
  -webkit-mask-image: url('../img/ganadores/pedestal-2.webp');
  mask-image: url('../img/ganadores/pedestal-2.webp');
}
.ganadores__glow--3 {
  background: rgba(198, 130, 74, 0.95);
  -webkit-mask-image: url('../img/ganadores/pedestal-3.webp');
  mask-image: url('../img/ganadores/pedestal-3.webp');
}

.ganadores__podio.podio-reveal--visible .ganadores__pedestal--3 { transition-delay: 0ms; }
.ganadores__podio.podio-reveal--visible .ganadores__pedestal--2 { transition-delay: 180ms; }
.ganadores__podio.podio-reveal--visible .ganadores__pedestal--1 {
  transition-delay: 450ms;
  transition-duration: 0.7s;
  transition-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ganadores__podio.podio-reveal--visible .ganadores__pedestal {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.ganadores__podio.podio-reveal--visible .ganadores__glow--3 {
  animation:
    ganador-glow-in 0.6s ease 0ms forwards,
    ganador-glow-pulse 2.6s ease-in-out 0.6s infinite;
}
.ganadores__podio.podio-reveal--visible .ganadores__glow--2 {
  animation:
    ganador-glow-in 0.6s ease 180ms forwards,
    ganador-glow-pulse 2.6s ease-in-out 0.78s infinite;
}
.ganadores__podio.podio-reveal--visible .ganadores__glow--1 {
  animation:
    ganador-glow-in 0.7s ease 450ms forwards,
    ganador-glow-pulse 2.6s ease-in-out 1.15s infinite;
}

@keyframes ganador-glow-in {
  from { opacity: 0; }
  to { opacity: 0.45; }
}
@keyframes ganador-glow-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.9; }
}

.ganadores__texto-img { width: min(100%, 640px); aspect-ratio: 1406 / 128; margin-inline: auto; }