/* -------------------------------------------------------------
   Rally Latinoamericano de Innovación 2026 · Sede UDLA
   hackatonia.cl/rally2026
   Hereda styles.css (tema dark) y reasigna la paleta a cálida
   (ámbar → naranja → magenta) para diferenciarla de HackatónIA.
   ------------------------------------------------------------- */

:root {
  --cyan: #ffb020;          /* acento primario (ámbar) */
  --purple: #ff6b35;        /* acento medio (naranja) */
  --magenta: #e6337a;       /* acento final (magenta) */
  --gold: #ffd166;

  --gradient: linear-gradient(135deg, #ffd166 0%, #ff7a18 48%, #e6337a 100%);
  --gradient-soft: linear-gradient(135deg, rgba(255,209,102,0.15), rgba(255,122,24,0.15), rgba(230,51,122,0.15));
}

.bg-glow {
  background:
    radial-gradient(620px circle at 12% 8%,  rgba(255, 176, 32, 0.16), transparent 50%),
    radial-gradient(720px circle at 88% 22%, rgba(255, 107, 53, 0.16), transparent 50%),
    radial-gradient(520px circle at 50% 92%, rgba(230, 51, 122, 0.14), transparent 50%);
}

.brand-mark { filter: drop-shadow(0 0 8px rgba(255, 176, 32, 0.55)); }

/* ----- Volver a HackatónIA ----- */
.nav-back {
  font-size: 13px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
  transition: color var(--transition);
}
.nav-back:hover { color: var(--text); }

/* ----- Cifras del Rally ----- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.stat-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ----- Reglas de equipo ----- */
.rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.rule {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.rule-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.rule-badge.req {
  color: #050814;
  background: var(--gradient);
  font-weight: 700;
}
.rule-badge.opt {
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
}
.rule h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  margin: 0 0 6px;
}
.rule p { color: var(--text-muted); font-size: 14px; margin: 0; line-height: 1.55; }

/* ----- Entregables ----- */
.deliverables {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.dv {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
}
.dv::after {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gradient);
}
.dv-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.05em;
}
.dv h3 { font-family: 'Space Grotesk', sans-serif; font-size: 19px; margin: 8px 0 8px; }
.dv p { color: var(--text-muted); font-size: 14px; margin: 0; line-height: 1.6; }
.dv-limit {
  display: inline-block;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
}

/* ----- Niveles de jurado ----- */
.levels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.level {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.level-step {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
}
.level h3 { font-family: 'Space Grotesk', sans-serif; font-size: 18px; margin: 6px 0 8px; }
.level p { color: var(--text-muted); font-size: 14px; margin: 0; line-height: 1.55; }

/* ----- Países ----- */
.countries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.country {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.country:hover { border-color: var(--border-strong); color: var(--text); transform: translateY(-2px); }
.country.is-home {
  border-color: rgba(255, 176, 32, 0.45);
  color: var(--text);
  font-weight: 600;
}

/* ----- FAQ ----- */
.faq { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  transition: border-color var(--transition);
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan);
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
}
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--text-muted); font-size: 15px; margin: 12px 0 0; line-height: 1.65; }

/* ----- Aviso ----- */
.notice {
  max-width: 860px;
  margin: 28px auto 0;
  background: rgba(255, 176, 32, 0.07);
  border: 1px solid rgba(255, 176, 32, 0.28);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.notice strong { color: var(--text); }

@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav-back { display: none; }
}

/* ----- CTA principal: registro en SIRLI ----- */
.cta-sirli {
  font-size: 18px;
  font-weight: 700;
  padding: 18px 36px;
  letter-spacing: 0.01em;
  animation: sirli-pulse 2.6s ease-out infinite;
}
.cta-sirli:hover {
  transform: translateY(-2px) scale(1.02);
  animation-play-state: paused;
}

@keyframes sirli-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 140, 30, 0.50); }
  70%  { box-shadow: 0 0 0 20px rgba(255, 140, 30, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 140, 30, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .cta-sirli { animation: none; }
}