/* ============================================
   SPONSORSHIP — heredamos tickets.css y solo
   sumamos lo específico de esta página
   ============================================ */
.sponsorship {
  background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(8, 94, 104, 0.35), transparent 70%);
}
.sponsorship::before {
  content: "";
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.3), transparent);
}

/* ============================================
   EL CICLO — los tres momentos que compra un
   patrocinio (Challenge → Evento → Biblioteca).
   Es el hilo narrativo de la página, así que va
   arriba de los tiers. Tres pasos colgados de
   una línea; en móvil la línea se vuelve vertical.
   ============================================ */
.sponsorship-arc {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 30px);
  max-width: 1080px;
  margin: var(--section-head-gap) auto var(--section-pad-sm);
  position: relative;
  padding-top: var(--space-7);
}
.sponsorship-arc::before {
  content: "";
  position: absolute;
  top: 7px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-cyan), var(--c-pink), transparent);
  opacity: 0.55;
}
.sponsorship-arc__step {
  position: relative;
  padding: var(--space-6) var(--space-5) var(--space-5);
  background: rgba(18, 18, 18, 0.62);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.32s var(--ease-out), transform 0.32s var(--ease-out);
}
.sponsorship-arc__step:hover { border-color: var(--c-cyan); transform: translateY(-4px); }
/* El evento es el pico del ciclo */
.sponsorship-arc__step--peak {
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.07), transparent 55%),
    rgba(18, 18, 18, 0.72);
  border-color: var(--c-line-strong);
}
.sponsorship-arc__node {
  position: absolute;
  top: calc(var(--space-7) * -1 + 3px);
  left: var(--space-5);
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px var(--c-cyan-soft);
}
.sponsorship-arc__step--peak .sponsorship-arc__node {
  background: var(--c-pink);
  box-shadow: 0 0 0 4px rgba(234, 64, 118, 0.18);
}
.sponsorship-arc__when {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin-bottom: var(--space-2);
}
.sponsorship-arc__step h3 {
  font-family: var(--f-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.sponsorship-arc__step p {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.55;
}

@media (max-width: 860px) {
  .sponsorship-arc {
    grid-template-columns: 1fr;
    padding-top: 0;
    padding-left: var(--space-6);
  }
  .sponsorship-arc::before {
    top: 8px; bottom: 8px; left: 4px; right: auto;
    width: 1px; height: auto;
    background: linear-gradient(180deg, transparent, var(--c-cyan), var(--c-pink), transparent);
  }
  .sponsorship-arc__node {
    top: var(--space-6);
    left: calc(var(--space-6) * -1);
    transform: translateX(-3px);
  }
}

/* Encabezado de la grilla de tiers */
.sponsorship__tiers-head { text-align: center; margin-bottom: var(--section-head-gap); }
.sponsorship__tiers-head h3 {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: var(--space-3);
}

/* El tier exclusivo: mismo card, borde pink para separarlo del recomendado. */
.sponsorship__card--top { border-color: rgba(234, 64, 118, 0.42); }
.ticket-card__badge--exclusive {
  background: var(--c-pink);
  color: var(--c-white);
  box-shadow: 0 8px 20px -6px rgba(234, 64, 118, 0.55);
}

/* ============================================
   CATEGORÍAS ESPECIALES — nueve tarjetas
   combinables con cualquier tier.
   ============================================ */
.sponsorship-cats { margin: 0 auto var(--section-pad-sm); }
.sponsorship-cats__head,
.sponsorship-exp__head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--section-head-gap);
}
.sponsorship-cats__head h3,
.sponsorship-exp__head h3 {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.16;
  margin: var(--space-3) 0 var(--space-3);
}
.sponsorship-cats__head p,
.sponsorship-exp__head p {
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.6;
}

.sponsorship-cats__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
  max-width: 1080px;
  margin: 0 auto;
}
.sponsorship-cat {
  padding: var(--space-5);
  background: rgba(18, 18, 18, 0.6);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out),
    background 0.3s var(--ease-out);
}
.sponsorship-cat:hover {
  border-color: var(--c-cyan);
  background: rgba(0, 229, 255, 0.05);
  transform: translateY(-3px);
}
.sponsorship-cat h4 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.sponsorship-cat__note {
  font-family: var(--f-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-cyan);
  padding: 3px 8px;
  border: 1px solid rgba(0, 229, 255, 0.32);
  border-radius: 999px;
  background: var(--c-cyan-soft);
}
.sponsorship-cat p { color: var(--c-muted); font-size: 13.5px; line-height: 1.55; }

@media (max-width: 860px) { .sponsorship-cats__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .sponsorship-cats__grid { grid-template-columns: 1fr; } }

/* ============================================
   EXPERIENCIAS ACTIVABLES — Galería Ciudadana
   y Buzón «Medellín Pregunta».
   ============================================ */
.sponsorship-exp { margin: 0 auto var(--section-pad-sm); }
.sponsorship-exp__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
  max-width: 1080px;
  margin: 0 auto;
}
.sponsorship-exp__card {
  padding: clamp(26px, 3.2vw, 40px);
  background:
    radial-gradient(circle at 0% 0%, rgba(234, 64, 118, 0.09), transparent 55%),
    rgba(18, 18, 18, 0.7);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}
.sponsorship-exp__card h4 {
  font-family: var(--f-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}
.sponsorship-exp__card > p {
  color: var(--c-muted);
  font-size: 14.5px;
  line-height: 1.6;
  margin-bottom: var(--space-4);
}
.sponsorship-exp__card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--c-line-strong);
}
.sponsorship-exp__card li {
  position: relative;
  padding-left: var(--space-5);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--c-muted);
}
.sponsorship-exp__card li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-pink));
}

@media (max-width: 760px) { .sponsorship-exp__grid { grid-template-columns: 1fr; } }