/* ============================================================
   SYNECTIS 2026 — TOKENS DE DISEÑO
   Concepto: "Synectis" = síntesis de elementos distintos.
   El elemento firma es una red de nodos que se conectan y laten
   (SVG animado), presente en el hero y como hilo conductor sutil
   entre secciones — representa la unión de ideas/disciplinas.
   ============================================================ */
:root{
  --bg-deep:      #07070c;
  --bg-panel:     #100f18;
  --bg-panel-2:   #16141f;
  --line:         #24222f;

  --purple:       #7c3aed;
  --purple-deep:  #4c1d95;
  --violet:       #a78bfa;
  --neon-cyan:    #22e5e5;
  --neon-pink:    #f0399e;

  --text:         #f2f1f7;
  --text-dim:     #a9a6bb;
  --text-faint:   #706d82;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Montserrat', sans-serif;

  --radius: 14px;
  --container: 1180px;
}


*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; }

/* ============================================================
   FONDO ATMOSFÉRICO DEL BODY
   Degradado radial oscuro (morado profundo + azul medianoche)
   que se desplaza lento en bucle, para dar sensación de
   "atmósfera tecnológica" viva en vez de un negro plano.
   Nota: html no lleva background para que este degradado se
   propague como fondo del viewport, quedando DEBAJO del canvas
   interactivo de partículas (que sigue visible encima).
   ============================================================ */
body{
  color:var(--text);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.6;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 20% 25%, #44007b 0%, transparent 55%),
    radial-gradient(circle at 80% 75%, #6411b8 0%, transparent 55%),
    linear-gradient(135deg, #702da7, #b4a3c3);
  background-size:220% 220%;
  animation:bgFlow 22s ease-in-out infinite alternate;
}
@keyframes bgFlow{
  0%{   background-position:0% 20%, 100% 80%, 0% 0%; }
  50%{  background-position:60% 50%, 40% 50%, 100% 100%; }
  100%{ background-position:100% 80%, 0% 20%, 0% 0%; }
}
@media (prefers-reduced-motion: reduce){
  body{ animation:none; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============================================================
   FONDO INTERACTIVO GLOBAL (retro/videojuego)
   El canvas #bgCanvas dibuja un grid + red de partículas que
   reacciona al mouse — vive DETRÁS de todo el sitio, no solo
   en el hero. Ver js/bg-interactive.js.
   ============================================================ */
.bg-canvas{
  position:fixed;
  inset:0;
  z-index:-3;
  width:100%; height:100%;
  display:block;
  background:transparent;
}
.bg-vignette{
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(circle at 50% 0%, rgba(124,58,237,0.14), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(34,229,229,0.09), transparent 50%),
    radial-gradient(ellipse at center, transparent 35%, rgba(7,7,12,0.7) 100%);
}
/* Textura de "líneas de escaneo" tipo pantalla CRT retro sobre todo el sitio */
.crt-overlay{
  position:fixed;
  inset:0;
  z-index:9999;
  pointer-events:none;
  background:repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.035) 0px,
    rgba(255,255,255,0.035) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode:overlay;
  opacity:0.45;
}
@media (prefers-reduced-motion: reduce){
  .crt-overlay{ opacity:0.2; }
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  font-size:0.75rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--neon-cyan);
  margin-bottom:14px;
}
.eyebrow::before{
  content:'';
  width:7px; height:7px;
  border-radius:50%;
  background:var(--neon-cyan);
  box-shadow:0 0 10px var(--neon-cyan);
  animation:pulseDot 1.6s ease-in-out infinite;
}
.eyebrow::after{
  content:'_';
  color:var(--neon-cyan);
  animation:blinkCursor 1s steps(1) infinite;
  margin-left:2px;
}
@keyframes pulseDot{
  0%, 100%{ transform:scale(1); opacity:1; }
  50%{ transform:scale(1.5); opacity:0.6; }
}
@keyframes blinkCursor{ 50%{ opacity:0; } }

h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; letter-spacing:-0.01em; }

.section-title{
  font-size:clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom:12px;
}
.section-sub{
  color:var(--text-dim);
  max-width:560px;
  font-weight:400;
  margin-bottom:48px;
}

section{ position:relative; padding:96px 0; }

/* divisor tipo "hilo de nodos" entre secciones */
.thread-divider{
  height:1px;
  background:linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
  position:relative;
}
.thread-divider::before{
  content:'';
  position:absolute; left:50%; top:50%;
  width:6px; height:6px; border-radius:50%;
  background:var(--purple);
  box-shadow:0 0 12px var(--purple);
  transform:translate(-50%,-50%);
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  border-radius:999px;
  font-family:var(--font-display);
  font-size:0.95rem;
  font-weight:600;
  letter-spacing:0.01em;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, var(--purple), var(--neon-pink));
  color:#fff;
  box-shadow:0 0 0 rgba(124,58,237,0);
}
.btn-primary:hover{
  box-shadow:0 0 28px rgba(168,85,247,0.55);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  border-color:var(--violet);
  color:var(--violet);
}
.btn-outline:hover{
  background:rgba(167,139,250,0.1);
  border-color:var(--neon-cyan);
  color:var(--neon-cyan);
  transform:translateY(-2px);
}
.btn-small{ padding:10px 22px; font-size:0.85rem; }
.btn:active{ transform:translateY(1px) scale(0.97); }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  padding:18px 0;
  background:transparent;
  transition:background .35s ease, padding .35s ease, backdrop-filter .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.navbar.scrolled{
  background:rgba(7,7,12,0.85);
  backdrop-filter:blur(14px);
  padding:12px 0;
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.1rem;
}
.nav-logo img{
  height:38px; width:38px;
  object-fit:contain;
  border-radius:8px;
}
.nav-links{
  display:none;
  align-items:center;
  gap:34px;
  font-size:0.92rem;
  font-weight:500;
  color:var(--text-dim);
}
.nav-links a{ position:relative; transition:color .2s ease; }
.nav-links a:hover{ color:var(--text); }
.nav-links a::after{
  content:'';
  position:absolute; left:0; bottom:-6px;
  width:0; height:2px;
  background:linear-gradient(90deg, var(--purple), var(--neon-cyan));
  transition:width .25s ease;
}
.nav-links a:hover::after{ width:100%; }

.nav-cta{ display:none; }
.nav-toggle{
  display:flex;
  background:none; border:none; color:var(--text);
  font-size:1.6rem;
}

.mobile-menu{
  display:none;
  flex-direction:column;
  gap:22px;
  padding:28px 24px 32px;
  background:rgba(10,10,16,0.98);
  border-bottom:1px solid var(--line);
}
.mobile-menu.open{ display:flex; }
.mobile-menu a{ font-weight:500; color:var(--text-dim); font-size:1rem; }

@media (min-width:900px){
  .nav-links{ display:flex; }
  .nav-cta{ display:inline-flex; }
  .nav-toggle{ display:none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  padding-top:140px;
  padding-bottom:80px;
  background:var(--bg-deep);
  overflow:hidden;
}
/* Video de fondo del Hero */
.hero-video{
  position:absolute;
  inset:0;
  width:100%; height:100%;
  object-fit:cover;
  z-index:0;
}
/* Capa oscura + degradados de color sobre el video para mantener
   la legibilidad del texto y la identidad morada/neón */
.hero-overlay{
  position:absolute;
  inset:0;
  z-index:1;
  background:
    radial-gradient(circle at 15% 20%, rgba(124,58,237,0.35), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(34,229,229,0.2), transparent 45%),
    rgba(7,7,12,0.72);
}
.hero-grid-canvas{
  position:absolute;
  inset:0;
  width:100%; height:100%;
  opacity:0.55;
  pointer-events:none;
  z-index:2;
  transition:transform .35s ease-out;
}
.hero-content{
  position:relative;
  z-index:3;
  max-width:760px;
  transition:transform .25s ease-out;
}
.hero-kicker{
  font-family:var(--font-display);
  font-size:0.85rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--neon-cyan);
  margin-bottom:20px;
  display:block;
}
.hero-title{
  font-size:clamp(2.2rem, 6vw, 3.6rem);
  line-height:1.08;
  margin-bottom:18px;
  cursor:default;
}
.hero-title:hover{ animation:heroGlitch 0.35s steps(2) infinite; }
@keyframes heroGlitch{
  0%{ text-shadow:2px 0 var(--neon-cyan), -2px 0 var(--neon-pink); transform:translate(0,0); }
  50%{ text-shadow:-2px 0 var(--neon-cyan), 2px 0 var(--neon-pink); transform:translate(1px,-1px); }
  100%{ text-shadow:2px 0 var(--neon-cyan), -2px 0 var(--neon-pink); transform:translate(0,0); }
}
@media (prefers-reduced-motion: reduce){
  .hero-title:hover{ animation:none; }
}
.hero-subtitle{
  font-family:var(--font-display);
  font-size:clamp(1.3rem, 3vw, 1.9rem);
  font-weight:500;
  background:linear-gradient(120deg, var(--violet), var(--neon-pink));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-bottom:22px;
}
.hero-meta{
  font-size:1rem;
  color:var(--text-dim);
  margin-bottom:38px;
  padding-left:16px;
  border-left:2px solid var(--purple);
}
.hero-meta strong{ color:var(--text); font-weight:600; }
.hero-ctas{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}

/* ============================================================
   CONCEPTO
   ============================================================ */
.concept-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
@media (min-width:800px){
  .concept-grid{ grid-template-columns:1fr 1fr; gap:60px; }
}
.concept-col h3{
  font-size:1.4rem;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:12px;
}
.concept-col h3 span{
  font-size:0.75rem;
  color:var(--neon-cyan);
  border:1px solid var(--neon-cyan);
  border-radius:6px;
  padding:2px 8px;
  font-family:var(--font-display);
}
.concept-col p{ color:var(--text-dim); }

/* ============================================================
   EJES TEMÁTICOS — grid de tarjetas
   ============================================================ */
.ejes-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media (min-width:640px){
  .ejes-grid{ grid-template-columns:1fr 1fr; }
}
@media (min-width:1000px){
  .ejes-grid{ grid-template-columns:repeat(3, 1fr); }
  .ejes-grid .card:nth-child(4),
  .ejes-grid .card:nth-child(5){ grid-column:span 1; }
}
.card{
  position:relative;
  overflow:hidden;
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.1);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius);
  padding:30px 26px;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.card::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(120deg, transparent 40%, rgba(34,229,229,0.14) 50%, transparent 60%);
  transform:translateX(-130%);
  transition:transform .7s ease;
  pointer-events:none;
}
.card:hover::before{ transform:translateX(130%); }
.card:hover{
  transform:translateY(-6px);
  border-color:rgba(124,58,237,0.55);
  box-shadow:0 12px 40px rgba(124,58,237,0.35), 0 0 0 1px var(--neon-cyan) inset;
}
.card-index{
  font-family:var(--font-display);
  font-size:0.8rem;
  color:var(--neon-pink);
  letter-spacing:0.1em;
  margin-bottom:14px;
  display:block;
}
.card h4{ font-size:1.15rem; margin-bottom:10px; }
.card p{ color:var(--text-dim); font-size:0.92rem; }

/* ============================================================
   TALLERES — TABS
   ============================================================ */
.tabs-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:38px;
  border-bottom:1px solid var(--line);
  padding-bottom:18px;
}
.tab-btn{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-dim);
  padding:10px 20px;
  border-radius:999px;
  font-size:0.88rem;
  font-family:var(--font-display);
  font-weight:500;
  transition:all .25s ease;
}
.tab-btn:hover{ border-color:var(--violet); color:var(--text); }
.tab-btn.active{
  background:linear-gradient(135deg, var(--purple), var(--neon-pink));
  border-color:transparent;
  color:#fff;
}
.tab-panel{ display:none; }
.tab-panel.active{ display:block; animation:fadeIn .4s ease; }
@keyframes fadeIn{ from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }

.taller-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:700px){
  .taller-grid{ grid-template-columns:1fr 1fr; }
}
@media (min-width:1000px){
  .taller-grid{ grid-template-columns:repeat(3, 1fr); }
}
.taller-card{
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.1);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius);
  padding:22px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.taller-card:hover{
  transform:translateY(-4px);
  border-color:rgba(124,58,237,0.5);
  box-shadow:0 10px 34px rgba(124,58,237,0.32);
}
.taller-card h5{ font-size:1rem; margin-bottom:10px; color:var(--text); }
.taller-meta{
  display:flex;
  flex-direction:column;
  gap:6px;
  font-size:0.85rem;
  color:var(--text-dim);
}
.taller-meta b{ color:var(--violet); font-weight:600; }

/* ============================================================
   EXPERIENCIA Y RIFAS
   ============================================================ */
.events-interactive-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  align-items: center;
  margin-top: 30px;
}

.gallery-subtitle {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.events-grid-carousel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.event-card-thumb {
  position: relative;
  height: 140px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.event-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.event-card-thumb:hover img {
  transform: scale(1.08);
}

.event-card-thumb.active {
  border-color: #6366f1;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.2));
  display: flex;
  align-items: flex-end;
  padding: 12px;
}

.thumb-overlay span {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Panel de Detalles */
.event-details-card {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.event-badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.event-title-display {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 700;
}

.event-desc-display {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 20px;
}

.event-meta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  background: rgba(15, 23, 42, 0.4);
  padding: 15px;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.05);
}

.meta-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.meta-label {
  color: #94a3b8;
}

.meta-val {
  color: #f8fafc;
  font-weight: 500;
}

.mt-8 {
  margin-top: 40px;
}

/* Responsivo para celulares */
@media (max-width: 768px) {
  .events-interactive-wrapper {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   PATROCINADORES
   ============================================================ */
.sponsor-tier{ margin-bottom:44px; }
.sponsor-tier-label{
  font-family:var(--font-display);
  font-size:0.85rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  margin-bottom:20px;
  display:flex;
  align-items:center;
  gap:10px;
}
.tier-diamante{ color:var(--neon-cyan); }
.tier-oro{ color:#e8c66b; }
.tier-plata{ color:#c8c8d4; }
.tier-bronce{ color:#c98a5a; }

.sponsor-row{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:16px;
}
@media (min-width:640px){ .sponsor-row{ grid-template-columns:repeat(4, 1fr); } }
.sponsor-slot{
  aspect-ratio:2/1;
  border:1px dashed var(--line);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-faint);
  font-size:0.78rem;
  text-align:center;
  padding:10px;
  transition:border-color .25s ease;
}
.sponsor-slot:hover{ border-color:var(--violet); color:var(--text-dim); }

.sponsor-cta{
  text-align:center;
  margin-top:20px;
}

/* ============================================================
   FOOTER / CONTACTO
   ============================================================ */
footer{
  background:var(--bg-panel);
  border-top:1px solid var(--line);
  padding-top:90px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:50px;
}
@media (min-width:860px){
  .footer-grid{ grid-template-columns:1.1fr 0.9fr; }
}
.form-field{ margin-bottom:18px; }
.form-field label{
  display:block;
  font-size:0.85rem;
  color:var(--text-dim);
  margin-bottom:8px;
}
.form-field input,
.form-field textarea{
  width:100%;
  background:var(--bg-deep);
  border:1px solid var(--line);
  border-radius:10px;
  padding:13px 16px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:0.95rem;
  transition:border-color .2s ease;
}
.form-field input:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--neon-cyan);
}
.form-field.error input,
.form-field.error textarea{ border-color:var(--neon-pink); }
.field-error-msg{
  display:none;
  color:var(--neon-pink);
  font-size:0.78rem;
  margin-top:6px;
}
.form-field.error .field-error-msg{ display:block; }
.form-status{
  margin-top:14px;
  font-size:0.9rem;
  display:none;
}
.form-status.show{ display:block; }
.form-status.ok{ color:var(--neon-cyan); }

.contact-info h3{ font-size:1.3rem; margin-bottom:20px; }
.contact-line{
  display:flex;
  gap:12px;
  align-items:center;
  margin-bottom:14px;
  color:var(--text-dim);
  font-size:0.95rem;
}
.contact-line b{ color:var(--text); }
.social-row{
  display:flex;
  gap:14px;
  margin-top:26px;
}
.social-row a{
  width:42px; height:42px;
  border:1px solid var(--line);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all .25s ease;
}
.social-row a:hover{
  border-color:var(--neon-cyan);
  color:var(--neon-cyan);
  transform:translateY(-3px);
}

.footer-bottom{
  margin-top:70px;
  padding:26px 0;
  border-top:1px solid var(--line);
  text-align:center;
  color:var(--text-faint);
  font-size:0.82rem;
}

/* ============================================================
   "VIDA" POR SECCIÓN — resplandores de color propios
   Cada apartado deja ver un poco del fondo interactivo con su
   propio acento de color, para que no se sientan todas iguales.
   ============================================================ */
#concepto::before, #ejes::before, #talleres::before, #experiencia::before, #patrocinios::before{
  content:'';
  position:absolute;
  inset:0;
  z-index:-1;
  pointer-events:none;
}
#concepto::before{ background:radial-gradient(circle at 85% 0%, rgba(167,139,250,0.10), transparent 45%); }
#ejes::before{ background:radial-gradient(circle at 15% 10%, rgba(240,57,158,0.10), transparent 45%); }
#talleres::before{ background:radial-gradient(circle at 85% 15%, rgba(34,229,229,0.10), transparent 45%); }
#experiencia::before{ background:radial-gradient(circle at 10% 85%, rgba(124,58,237,0.13), transparent 45%); }
#patrocinios::before{ background:radial-gradient(circle at 90% 90%, rgba(232,198,107,0.08), transparent 45%); }

/* ============================================================
   ANIMACIÓN DE REVELADO AL HACER SCROLL
   Aplicada por JS (bg-interactive.js NO, ver script.js) a tarjetas,
   títulos y bloques, para que la página se sienta "viva" al bajar.
   ============================================================ */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* Fallback: si el navegador no soporta backdrop-filter, usamos un
   fondo un poco más sólido para que el texto de las tarjetas de
   cristal (Ejes y Talleres) siga siendo legible. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){
  .card, .taller-card{ background:rgba(16,15,24,0.82); }
}

/* focus visible accesible en toda la página */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--neon-cyan);
  outline-offset:3px;
}

/* ============================================================
   MODAL DE REGISTRO
   ============================================================ */
.modal-overlay{
  position:fixed;
  inset:0;
  z-index:2000;
  display:none;
  align-items:flex-start;
  justify-content:center;
  padding:40px 16px;
  background:rgba(5,5,9,0.78);
  backdrop-filter:blur(6px);
  overflow-y:auto;
}
.modal-overlay.open{ display:flex; }

.modal{
  position:relative;
  width:100%;
  max-width:720px;
  background:linear-gradient(160deg, var(--bg-panel-2), var(--bg-panel));
  border:1px solid var(--line);
  border-radius:20px;
  padding:36px 30px 30px;
  box-shadow:0 30px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(124,58,237,0.15);
  animation:modalIn .3s ease;
}
@keyframes modalIn{
  from{ opacity:0; transform:translateY(16px) scale(.98); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}

.modal-close{
  position:absolute;
  top:18px; right:18px;
  width:36px; height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-dim);
  font-size:1rem;
  transition:all .2s ease;
}
.modal-close:hover{ border-color:var(--neon-pink); color:var(--neon-pink); }

.modal-header{ margin-bottom:24px; padding-right:30px; }

/* pestañas de pasos dentro del modal (Datos / Preferencias / Itinerario) */
.modal-steps{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:26px;
  border-bottom:1px solid var(--line);
  padding-bottom:16px;
}
.modal-step-btn{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-dim);
  padding:8px 16px;
  border-radius:999px;
  font-size:0.82rem;
  font-family:var(--font-display);
  font-weight:500;
  transition:all .25s ease;
}
.modal-step-btn:hover{ border-color:var(--violet); color:var(--text); }
.modal-step-btn.active{
  background:linear-gradient(135deg, var(--purple), var(--neon-pink));
  border-color:transparent;
  color:#fff;
}

.modal-step-panel{ display:none; }
.modal-step-panel.active{ display:block; animation:fadeIn .3s ease; }

.form-row{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:560px){
  .form-row{ grid-template-columns:1fr 1fr; }
}

.form-field select{
  width:100%;
  background:var(--bg-deep);
  border:1px solid var(--line);
  border-radius:10px;
  padding:13px 16px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:0.95rem;
}
.form-field select:focus{ outline:none; border-color:var(--neon-cyan); }

/* casilla de postulación a staff */
.staff-toggle{
  margin-top:6px;
  padding:18px;
  border:1px dashed var(--line);
  border-radius:12px;
}
.checkbox-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:0.92rem;
  color:var(--text-dim);
  cursor:pointer;
}
.checkbox-line input{ width:18px; height:18px; margin-top:2px; accent-color:var(--purple); }
.checkbox-line b{ color:var(--text); }

.staff-extra{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:16px;
}

/* pestañas de días dentro del itinerario */
.itin-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:20px;
}
.itin-tab-btn{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-dim);
  padding:8px 16px;
  border-radius:999px;
  font-size:0.8rem;
  font-family:var(--font-display);
  transition:all .25s ease;
}
.itin-tab-btn:hover{ border-color:var(--neon-cyan); color:var(--text); }
.itin-tab-btn.active{
  background:rgba(34,229,229,0.15);
  border-color:var(--neon-cyan);
  color:var(--neon-cyan);
}

.itin-day{ display:none; }
.itin-day.active{ display:block; animation:fadeIn .3s ease; }

.itin-table{
  width:100%;
  border-collapse:collapse;
  font-size:0.88rem;
}
.itin-table th{
  text-align:left;
  color:var(--text-faint);
  font-family:var(--font-display);
  font-weight:500;
  font-size:0.75rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  padding:10px 12px;
  border-bottom:1px solid var(--line);
}
.itin-table td{
  padding:12px;
  border-bottom:1px solid var(--line);
  color:var(--text-dim);
}
.itin-table tr:last-child td{ border-bottom:none; }

.modal-footer{
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:flex-end;
}

#regFormStatus{
  margin-top:16px;
  font-size:0.9rem;
  display:none;
  text-align:right;
}
#regFormStatus.show{ display:block; }
#regFormStatus.ok{ color:var(--neon-cyan); }

/* ============================================================
   PORTAL DEL ASISTENTE (acceso tras registro)
   ============================================================ */
.profile-summary{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  background:var(--bg-panel);
  border:1px solid var(--line);
  font-size:0.85rem;
  color:var(--text-dim);
}
.chip b{ color:var(--text); font-weight:600; }
.chip.chip-accent{
  border-color:var(--purple);
  color:var(--violet);
}
.chip.chip-cyan{
  border-color:var(--neon-cyan);
  color:var(--neon-cyan);
}

/* tarjetas seleccionables (actividades / talleres) */
.select-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  margin-bottom:26px;
}
@media (min-width:640px){
  .select-grid{ grid-template-columns:repeat(2, 1fr); }
}
@media (min-width:1000px){
  .select-grid.cols-3{ grid-template-columns:repeat(3, 1fr); }
}
.select-card{
  position:relative;
  display:block;
  cursor:pointer;
}
.select-card input{
  position:absolute;
  opacity:0;
  pointer-events:none;
}
.select-card-body{
  position:relative;
  overflow:hidden;
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  transition:all .25s ease;
}
.select-card-body::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(120deg, transparent 40%, rgba(167,139,250,0.14) 50%, transparent 60%);
  transform:translateX(-130%);
  transition:transform .7s ease;
  pointer-events:none;
}
.select-card:hover .select-card-body::before{ transform:translateX(130%); }
.select-card-icon{ font-size:1.5rem; display:block; margin-bottom:10px; }
.select-card-body h4{ font-size:1.05rem; margin-bottom:8px; }
.select-card-body p{ color:var(--text-dim); font-size:0.88rem; }
.select-card input:checked + .select-card-body{
  border-color:var(--neon-cyan);
  box-shadow:0 0 0 1px var(--neon-cyan), 0 10px 30px rgba(34,229,229,0.15);
  background:linear-gradient(160deg, rgba(34,229,229,0.08), var(--bg-panel));
}
.select-card input:focus-visible + .select-card-body{
  outline:2px solid var(--neon-cyan);
  outline-offset:2px;
}
.select-card-check{
  position:absolute;
  top:16px; right:16px;
  width:22px; height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--bg-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.7rem;
  color:transparent;
  transition:all .2s ease;
}
.select-card input:checked ~ .select-card-check{
  background:var(--neon-cyan);
  border-color:var(--neon-cyan);
  color:var(--bg-deep);
}

/* checkbox de taller dentro del portal */
.taller-card.selectable{ cursor:pointer; position:relative; }
.taller-card.selectable input{ position:absolute; opacity:0; pointer-events:none; }
.taller-card.selectable input:checked ~ .taller-check{
  background:var(--neon-cyan); border-color:var(--neon-cyan); color:var(--bg-deep);
}
.taller-check{
  position:absolute; top:14px; right:14px;
  width:20px; height:20px; border-radius:50%;
  border:1px solid var(--line); background:var(--bg-deep);
  display:flex; align-items:center; justify-content:center;
  font-size:0.65rem; color:transparent; transition:all .2s ease;
}
.taller-card.selectable input:checked ~ .taller-check::after{ content:'✓'; }

/* aviso de "acceso restringido" mientras se valida localStorage */
.access-gate{
  position:fixed;
  inset:0;
  z-index:5000;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-deep);
  text-align:center;
  padding:24px;
}
.access-gate p{ color:var(--text-dim); max-width:420px; }


/* ============================================================
   ANIMACIONES DE FONDO INTERACTIVO
   ============================================================ */

.sponsors-floating-section {
  padding: 80px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.floating-sponsors-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  height: 480px;
  margin: 40px auto;
}

/* Brillo ambiental de fondo */
.glow-backdrop {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 450px;
  height: 450px;
  background: rgba(99, 102, 241, 0.08);
  filter: blur(100px);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

/* Elemento del logo flotante sin contenedor circular */
.sponsor-item {
  position: absolute;
  display: block;
  width: 150px; /* Tamaño base del logo, ajústalo según necesites */
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.3s ease;
  z-index: 1;
  text-decoration: none;
}

.sponsor-item img {
  width: 100%;
  height: auto;
  object-fit: contain;
  /* Hace que el logo luzca elegante unificando ligeramente el tono y dándole brillo al pasar el cursor */
  filter: brightness(0.85) grayscale(20%);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.sponsor-item:hover {
  transform: scale(1.15) translateY(-6px) !important;
  z-index: 10;
}

.sponsor-item:hover img {
  filter: brightness(1) grayscale(0%);
}

/* Coordenadas aleatorias para distribuirlos por el contenedor */
.pos-1 { top: 15%; left: 18%; }
.pos-2 { top: 55%; left: 42%; }
.pos-3 { top: 20%; right: 15%; width: 170px; } /* Un poco más grande si se requiere */
.pos-4 { top: 60%; left: 12%; }

/* Tooltip elegante al pasar el cursor */
.sponsor-tooltip {
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #1e293b;
  color: #fff;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  pointer-events: none;
}

.sponsor-tooltip span {
  display: block;
  font-size: 0.65rem;
  color: #94a3b8;
}

.sponsor-item:hover .sponsor-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Animaciones de flotación independientes y suaves */
.float-1 { animation: floatOrganicA 6.5s ease-in-out infinite; }
.float-2 { animation: floatOrganicB 8s ease-in-out infinite 0.8s; }
.float-3 { animation: floatOrganicC 7s ease-in-out infinite 1.5s; }

@keyframes floatOrganicA {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(5px, -12px) rotate(1.5deg); }
}

@keyframes floatOrganicB {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-6px, 14px) rotate(-1.5deg); }
}

@keyframes floatOrganicC {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(8px, -10px) rotate(1deg); }
}

/* Adaptación para dispositivos móviles */
@media (max-width: 768px) {
  .floating-sponsors-container {
    height: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 20px 0;
  }
  .sponsor-item {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    width: 130px !important;
  }
}