:root {
  --primary-accent: #ff007f; /* Magenta/Rosa Neón */
  --secondary-accent: #00d4ff; /* Azul Neón */
  --corporate-red: #e63946; /* Rojo IKAUE */
  --vibrant-purple: #9f00ff; /* Morado Vibrante para nuevos gradientes */
  --dark-bg: #0d0c22; /* Fondo oscuro principal */
  --darker-bg: #070615; /* Fondo aún más oscuro */
  --card-bg: rgba(23, 21, 58, 0.7);
  --card-border: rgba(100, 100, 220, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #b0b0c0;
  --font-sans: 'Inter', sans-serif;
}

body {
  font-family: var(--font-sans);
  background-color: var(--dark-bg);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
  scroll-behavior: smooth;
}

/* Scrollbar Sutil */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--darker-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-accent);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ff3399;
}

/* Navegación */
nav {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(13, 12, 34, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: 1rem 2.5rem;
  transition: background-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
nav.scrolled {
  background: rgba(7, 6, 21, 0.95);
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  /* Margen mínimo garantizado entre el logo y los enlaces: crece de
     forma fluida con el ancho disponible (16px a partir de 993px de
     ancho de ventana, hasta 24px a partir de 1500px) */
  gap: clamp(1rem, -6px + 2vw, 1.5rem);
}
.logo {
  font-size: clamp(1.15rem, -1.4px + 1.8vw, 1.6rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
  display: flex;
  align-items: baseline;
  flex-shrink: 0;
}
.logo .ia-highlight,
.footer-logo .ia-highlight {
  font-size: 1.25em;
  color: var(--primary-accent);
  position: relative;
  top: 0.06em;
  margin: 0 -0.05em;
  line-height: 1;
}
.nav-links {
  display: flex;
  /* De 8px (ventanas justo antes del menú móvil, 993px) a 24px
     (a partir de 1500px de ancho) */
  gap: clamp(0.5rem, -36px + 4vw, 1.5rem);
  list-style: none;
  align-items: center;
}
.nav-links a {
  white-space: nowrap;
}
.nav-links a:not(.btn-entradas-nav):not(.btn-online-2026):not(.btn-hechoconia) {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: clamp(0.85rem, 7px + 0.6vw, 1rem);
  position: relative;
  transition: all 0.3s ease;
  padding: 0.5rem 0;
}
.nav-links a:not(.btn-entradas-nav):not(.btn-online-2026):not(.btn-hechoconia):hover {
  color: var(--text-primary);
}
.nav-links a:not(.btn-entradas-nav):not(.btn-online-2026):not(.btn-hechoconia)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-accent);
  transition: width 0.3s ease;
}
.nav-links a:not(.btn-entradas-nav):not(.btn-online-2026):not(.btn-hechoconia):hover::after {
  width: 100%;
}
.nav-links a.btn-online-2026 {
  background-image: linear-gradient(to right, #00d4ff 0%, #6366f1 50%, #00d4ff 100%);
  background-size: 200% auto;
  color: white !important;
  padding: 0.45rem clamp(0.5rem, -18.4px + 2.4vw, 1.1rem) !important;
  border-radius: 50px;
  font-weight: 700;
  font-size: clamp(0.82rem, 5.2px + 0.72vw, 1rem);
  transition: background-position 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
  text-decoration: none;
  border: none;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-links a.btn-online-2026:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}
.nav-links a.btn-online-2026::after { display: none !important; }

.nav-links a.btn-hechoconia {
  background-image: linear-gradient(to right, #8c52ff 0%, #a87ffb 50%, #8c52ff 100%);
  background-size: 200% auto;
  color: white !important;
  padding: 0.45rem clamp(0.55rem, -22px + 2.8vw, 1.25rem) !important;
  border-radius: 50px;
  font-weight: 700;
  font-size: clamp(0.82rem, 5.2px + 0.72vw, 1rem);
  transition: background-position 0.4s ease, transform 0.4s ease, box-shadow 0.4s ease;
  text-decoration: none;
  border: none;
  box-shadow: 0 4px 15px rgba(140, 82, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-links a.btn-hechoconia:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(140, 82, 255, 0.5);
}
.nav-links a.btn-hechoconia::after { display: none !important; }

.btn-entradas-nav {
  background-image: linear-gradient(
    to right,
    var(--corporate-red) 0%,
    #ff4d6d 50%,
    var(--corporate-red) 100%
  );
  background-size: 200% auto;
  color: white !important;
  padding: 0.75rem clamp(0.8rem, -29px + 3.8vw, 1.75rem) !important;
  border-radius: 50px;
  font-weight: 600;
  font-size: clamp(0.85rem, 7px + 0.6vw, 1rem);
  transition: all 0.4s ease;
  text-decoration: none;
  border: none;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: clamp(0.3rem, -4px + 0.8vw, 0.5rem);
}
.btn-entradas-nav:hover {
  background-position: right center;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.5);
}
.btn-entradas-nav::after {
  display: none !important;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--darker-bg);
}
.video-background-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.video-background {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  z-index: 0;
  object-fit: cover;
  pointer-events: none;
}
.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 12, 34, 0.6);
  z-index: 1;
}
.hero-content {
  text-align: center;
  z-index: 2;
  max-width: 900px;
  padding: 0 1.25rem;
  animation: fadeInUp 1.5s ease-out;
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== INICIO DE LA MODIFICACIÓN ===== */
.hero-text-background {
  background: rgba(13, 12, 34, 0.4);
  padding: 2.5rem 3rem;
  border-radius: 20px;
}
@media (max-width: 768px) {
  .hero-text-background {
    padding: 2rem 1.5rem;
  }
}

@keyframes grow-and-pop {
  0% { opacity: 0; transform: scale(0.8); }
  70% { opacity: 1; transform: scale(1.15); }
  100% { opacity: 1; transform: scale(1.05); }
}

@keyframes fadeIn-stay {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero .date-location {
  display: flex;
  justify-content: center;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35em;
}

.location-part,
.hero-buttons .cta-button.anim-part {
  display: inline-block;
  opacity: 0;
}

.anim-part-1 { animation: grow-and-pop 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 1.8s forwards; }
.anim-part-comma,
.anim-part-dot { animation: fadeIn-stay 1s ease-out 1.5s forwards; }
.anim-part-2 { animation: grow-and-pop 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 2s forwards; }
.anim-part-3 { animation: grow-and-pop 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) 2.4s forwards; }
.anim-part-4 { animation: grow-and-pop 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275) 3.6s forwards; }
.anim-part-5 { animation: grow-and-pop 0.7s cubic-bezier(0.175, 0.885, 0.32, 1.275) 4.4s forwards; }

.hero h1 {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 900;
  margin-bottom: 1.25rem;
  letter-spacing: -2px;
  line-height: 1.1;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-accent), var(--secondary-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 15px rgba(255, 0, 127, 0.3), 0 0 15px rgba(0, 212, 255, 0.3);
}
.hero .subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-weight: 300;
}
.hero .date-location {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--primary-accent);
  margin-bottom: 2.5rem;
  font-weight: 600;
}
.hero-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cta-button {
  display: inline-block;
  padding: 1rem 3rem;
  background-image: linear-gradient(to right, var(--primary-accent) 0%, var(--vibrant-purple) 100%);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(255, 0, 127, 0.2), 0 5px 20px rgba(159, 0, 255, 0.2);
  cursor: pointer;
  border: none;
}
.cta-button:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 0, 127, 0.4), 0 10px 30px rgba(159, 0, 255, 0.4);
}
.cta-button.neutral {
  background: transparent;
  border: 2px solid var(--secondary-accent);
  color: var(--secondary-accent);
  box-shadow: none;
}
.cta-button.neutral:hover {
  background: var(--secondary-accent);
  color: var(--dark-bg);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

/* --- SECCIÓN DE CHAT: desactivada (no hay markup en la página), comentada en bloque ---
#chat .container { max-width: 1000px; }
.chat-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: flex-start;
}
@media (min-width: 768px) {
  .chat-wrapper { grid-template-columns: 2fr 1fr; }
}
.chat-ui {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 600px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.chat-window {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.chat-message {
  display: flex;
  gap: 0.75rem;
  max-width: 85%;
  animation: slideIn 0.5s ease-out;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-message .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  background-color: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.chat-message .avatar img {
  border: 1px solid var(--card-border);
  border-radius: 15px;
}
.chat-message .message-content {
  padding: 0.75rem 1.25rem;
  border-radius: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}
.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}
.chat-message.user .avatar { background-color: var(--vibrant-purple); }
.chat-message.user .message-content {
  background-color: var(--vibrant-purple);
  border-bottom-right-radius: 4px;
}
.chat-message.ia { align-self: flex-start; }
.chat-message.ia .avatar { background-color: var(--primary-accent); }
.chat-message.ia .message-content {
  background-color: var(--dark-bg);
  border-bottom-left-radius: 4px;
}
.chat-message.ia p { margin-bottom: 0.5rem; }
.chat-message.ia p:last-child { margin-bottom: 0; }
.chat-message.ia ul { padding-left: 1.5rem; margin: 0.5rem 0; }
.chat-message.ia li { margin-bottom: 0.25rem; }

.typing-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
}
.typing-indicator span {
  width: 8px;
  height: 8px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}
.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

.chat-form-wrapper {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--card-border);
  background: rgba(13, 12, 34, 0.5);
}
#chat-form {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}
#chat-form textarea {
  flex-grow: 1;
  background: var(--darker-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  resize: none;
  max-height: 100px;
  line-height: 1.5;
}
#chat-form textarea:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 10px var(--primary-accent);
}
#chat-form button {
  background: var(--primary-accent);
  border: none;
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
#chat-form button:hover {
  background: #ff3399;
  transform: scale(1.1);
}
#chat-form button:disabled {
  background: var(--text-secondary);
  cursor: not-allowed;
}
--- fin sección de chat desactivada --- */

.ainna-persona {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  position: sticky;
  top: 120px;
}
.ainna-persona img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid var(--primary-accent);
  margin: 0 auto 1.5rem auto;
  box-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
}
.ainna-persona h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.ainna-persona p {
  color: var(--text-secondary);
}

/* Estilos Generales de Sección */
.section { padding: 5rem 1.5rem; }
.section-darker { background-color: var(--darker-bg); }
.container { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-size: clamp(2.25rem, 6vw, 3rem);
  margin-bottom: 3.75rem;
  text-align: center;
  font-weight: 800;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 1rem;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-accent), var(--vibrant-purple));
  border-radius: 2px;
}

/* Sección AGI Temáticas */
.agi-section-subtitle {
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.timeline-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  padding: 2.5rem 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 5px;
  background: linear-gradient(to right, var(--primary-accent), var(--vibrant-purple));
  transition: width 0.4s ease-out;
}
.timeline-card:hover::before { width: 100%; }
.timeline-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
  border-color: var(--primary-accent);
}
.timeline-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.timeline-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- NUEVOS ESTILOS PARA ROADMAP Y TARGET --- */
.roadmap-text {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 4rem auto;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.8;
}
.roadmap-text .highlight {
  color: var(--text-primary);
  font-weight: 700;
  border-bottom: 3px solid var(--primary-accent);
  padding-bottom: 2px;
}
.madurez-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  justify-content: center;
}
.tema-label {
  color: var(--primary-accent);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-block;
}
.section-title.medium {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.target-section {
  margin-top: 6rem;
}
.target-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .target-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 5rem;
  }
}
.target-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  position: relative;
}
.target-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid currentColor;
  flex-shrink: 0;
  margin-top: 0.2rem;
  box-shadow: 0 0 12px currentColor;
  background: var(--darker-bg);
  z-index: 1;
  font-size: 0.8rem;
  position: relative;
}
.target-icon::after {
  content: '';
  position: absolute;
  width: 1px;
  height: 80px;
  background: rgba(255, 255, 255, 0.08);
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
}
.target-icon.pink { color: var(--primary-accent); }
.target-icon.blue { color: var(--secondary-accent); }
.target-icon.purple { color: var(--vibrant-purple); }

.target-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.target-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Ponentes */
.ponentes-intro-text {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}
.ponentes-intro-text a {
  color: var(--primary-accent);
  text-decoration: underline;
}
.ponentes-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(1, 1fr);
}
@media (min-width: 640px) {
  .ponentes-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .ponentes-grid { grid-template-columns: repeat(4, 1fr); }
}
.ponente-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}
.ponente-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 0 0 15px var(--vibrant-purple);
  border-color: var(--vibrant-purple);
}
.ponente-image {
  position: relative;
  padding-top: 100%;
  overflow: hidden;
  background-color: var(--darker-bg);
}
.ponente-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease;
}
.ponente-card:hover .ponente-image img { transform: scale(1.1); }
.ponente-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.ponente-text { flex-grow: 1; }
.ponente-info h3 {
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}
.ponente-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.ponente-company-logo {
  margin-top: 1rem;
  align-self: flex-end;
  min-height: 25px;
  display: flex;
  align-items: center;
}
.ponente-company-logo img {
  max-height: 25px;
  width: auto;
  max-width: 88px;
  transition: all 0.3s ease;
}
.ponente-company-logo .fa-youtube {
  font-size: 40px;
  transition: all 0.3s ease;
}

/* ===== INICIO DE LA MODIFICACIÓN ===== */
.ponente-company-logo .logo-youtube { font-size: 50px; }
.ponente-company-logo .logo-large { height: 50px; max-width: 160px; }
/* ===== FIN DE LA MODIFICACIÓN ===== */

/* --- SECCIÓN DE ENTRADAS --- */
.entradas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: stretch;
}
.entrada-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.entrada-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}
.entrada-card.diferido {
  box-shadow: 0 0 25px rgba(255, 0, 127, 0.4);
}
.entrada-card.featured {
  border: 2px solid var(--primary-accent);
  box-shadow: 0 0 30px rgba(255, 0, 127, 0.5);
  transform: scale(1.05);
  z-index: 1;
}
.entrada-card.featured:hover {
  transform: scale(1.08) translateY(-10px);
  box-shadow: 0 15px 40px rgba(255, 0, 127, 0.6);
}
.entrada-card.diferido:hover {
  transform: translateY(-10px);
}
.featured-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  /* Versión más oscura de --primary-accent: con blanco encima da ~3.8:1,
     por debajo del 4.5:1 que exige AA para este tamaño de texto. */
  background: #cc0066;
  color: white;
  padding: 0.5rem 1.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 0 0 10px 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.entrada-card h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.entrada-card .price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--secondary-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.original-price {
  display: block;
  font-size: 1.4rem;
  color: var(--text-secondary);
  text-decoration: line-through;
  margin-bottom: 0.25rem;
  font-weight: 600;
  opacity: 0.7;
}
.urgency-message {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 0, 127, 0.1);
  border: 1px solid var(--primary-accent);
  color: #ffb3d9;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.entrada-card.featured .urgency-message {
  background: var(--primary-accent);
  color: white;
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
}
.entrada-card .price .currency {
  font-size: 1.5rem;
  vertical-align: super;
  margin-right: 0.25rem;
}
.entrada-card.featured .price { color: var(--primary-accent); }
.entrada-button.btn-general {
  background-image: linear-gradient(to right, var(--secondary-accent) 0%, var(--vibrant-purple) 100%);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2), 0 5px 20px rgba(159, 0, 255, 0.2);
}
.entrada-button.btn-general:hover:not(.entrada-disabled) {
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4), 0 10px 30px rgba(159, 0, 255, 0.4);
}
.features-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2.5rem 0;
  flex-grow: 1;
  color: var(--text-secondary);
  text-align: left;
}
.features-list li {
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--card-border);
}
.features-list li:last-child { border-bottom: none; }
.features-list .fa-check-circle { color: var(--secondary-accent); }
.features-list .fa-star { color: var(--primary-accent); }
.entrada-button { width: 100%; margin-top: auto; }

/* --- INICIO ESTILOS SECCIÓN PATROCINADORES --- */
.sponsor-tier { margin-bottom: 3.5rem; }
.tier-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
}
.tier-title.exclusive-gold { color: #10b981; text-shadow: 0 0 10px #10b981; }
.tier-title.gold { color: #ffd700; text-shadow: 0 0 10px #ffd700; }
.tier-title.silver { color: #c0c0c0; text-shadow: 0 0 10px #c0c0c0; }
.tier-title.collaborator { color: var(--secondary-accent); text-shadow: 0 0 10px var(--secondary-accent); }
.sponsors-grid {
  display: grid;
  gap: 2rem;
  justify-content: center;
  align-items: center;
}
.sponsors-grid.exclusive-gold-tier { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.sponsors-grid.gold-tier { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.sponsors-grid.silver-tier { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.sponsors-grid.collaborator-tier { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .sponsors-grid.collaborator-tier { grid-template-columns: repeat(2, 1fr); }
}
.sponsor-logo {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
}
.exclusive-gold-tier .sponsor-logo { padding: 2rem; min-height: 150px; border-color: rgba(16, 185, 129, 0.4); box-shadow: 0 0 10px rgba(16, 185, 129, 0.15); }
.gold-tier .sponsor-logo { padding: 1.75rem; min-height: 130px; }
.silver-tier .sponsor-logo { padding: 1.5rem; min-height: 110px; }
.collaborator-tier .sponsor-logo { padding: 1.25rem; min-height: 90px; }
.sponsor-logo img {
  max-width: 100%;
  height: auto;
  transition: all 0.3s ease;
}
.exclusive-gold-tier .sponsor-logo img { max-height: 95px; }
.gold-tier .sponsor-logo img { max-height: 75px; }
.silver-tier .sponsor-logo img { max-height: 60px; }
.collaborator-tier .sponsor-logo img { max-height: 50px; }
.sponsor-logo:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--secondary-accent);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.1);
}
/* --- FIN ESTILOS SECCIÓN PATROCINADORES --- */

/* Sitio y Fecha */
.lugar-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 768px) {
  .lugar-content { grid-template-columns: 1fr 1fr; }
}
.lugar-info h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}
.info-item {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.info-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}
.info-item-content h4 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}
.info-item-content p { color: var(--text-secondary); }
.info-item-content p a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}
.info-item-content p a:hover { color: var(--primary-accent); }
.map-container {
  border-radius: 15px;
  overflow: hidden;
  height: 400px;
  position: relative;
  border: 2px solid var(--vibrant-purple);
  box-shadow: 0 0 20px rgba(159, 0, 255, 0.3);
}
.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Nube de Tecnologías */
.tech-cloud {
  padding: 3rem 0;
  position: relative;
  width: 100%;
  height: auto;
  min-height: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.cloud-container {
  position: relative;
  width: 90%;
  max-width: 1000px;
  height: 300px;
  margin: 0 auto;
  overflow: hidden;
}
.tech-item {
  position: absolute;
  padding: 0.8rem 1.6rem;
  background: rgba(255, 0, 127, 0.15);
  border: 1px solid var(--primary-accent);
  border-radius: 30px;
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--text-primary);
  transition: all 0.3s ease;
  cursor: default;
  box-shadow: 0 2px 8px rgba(255, 0, 127, 0.2);
  white-space: nowrap;
}
.tech-item:hover {
  background: var(--primary-accent);
  color: white;
  box-shadow: 0 5px 15px rgba(255, 0, 127, 0.4);
  z-index: 100;
}

/* Sección Organiza */
#organiza .container { text-align: center; }
.organiza-title {
  font-size: clamp(2.5rem, 7vw, 3.5rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  display: table;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: 1rem;
}
.organiza-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-accent), var(--vibrant-purple));
  border-radius: 2px;
}
.organizer-logo {
  width: 100%;
  max-width: 350px;
  height: auto;
  margin: 1.5rem auto;
}
.organiza-subtitle {
  font-size: 1.75rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-weight: 500;
  display: table;
  margin-left: auto;
  margin-right: auto;
}
.organiza-text {
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.8;
  text-align: center;
}

/* Sección Newsletter */
.newsletter-section { background-color: var(--darker-bg); }
.newsletter-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  background: var(--card-bg);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--card-border);
}
.newsletter-content h3 {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}
.newsletter-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.newsletter-form input[type='email'] {
  padding: 1rem;
  background: rgba(13, 12, 34, 0.8);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}
.newsletter-form input[type='email']:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 10px var(--primary-accent);
}
.newsletter-checkbox,
.newsletter-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  justify-content: flex-start;
  text-align: left;
}
.newsletter-checkbox input[type='checkbox'],
.newsletter-check input[type='checkbox'] {
  accent-color: var(--primary-accent);
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
}
.newsletter-checkbox label,
.newsletter-check label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.newsletter-check label a {
  color: var(--primary-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}
.newsletter-check label a:hover {
  text-decoration: underline;
}
.newsletter-button { margin-top: 1rem; }

/* Contacto */
.contacto-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.contacto-content p {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
}
.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  text-align: left;
}
@media (min-width: 768px) {
  .contact-form { grid-template-columns: 1fr 1fr; }
  .contact-form .full-width { grid-column: span 2; }
}
.form-group input:not([type='checkbox']),
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(23, 21, 58, 0.9);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
}
.form-group input:not([type='checkbox']):focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 10px var(--primary-accent);
}
.form-group textarea {
  min-height: 150px;
  resize: vertical;
}
.submit-button-wrapper { text-align: center; }
.submit-button {
  background-image: linear-gradient(to right, var(--primary-accent) 0%, var(--vibrant-purple) 100%);
  color: white;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(255, 0, 127, 0.2), 0 5px 20px rgba(159, 0, 255, 0.2);
}
.submit-button:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(255, 0, 127, 0.4), 0 8px 25px rgba(159, 0, 255, 0.4);
}
.submit-button:disabled {
  background: var(--text-secondary);
  cursor: not-allowed;
  opacity: 0.7;
}

/* --- NUEVOS ESTILOS FORMULARIO CONTACTO --- */
.legal-info-container {
  margin-top: -0.5rem;
  text-align: left;
}
.legal-text {
  font-size: 0.75rem;
  color: #888;
  line-height: 1.4;
  background-color: rgba(23, 21, 58, 0.5);
  border-radius: 6px;
  border: 1px solid var(--card-border);
  padding: 0.5rem 0.75rem;
  max-height: 3.8em;
  overflow-y: auto;
}
.legal-text::-webkit-scrollbar { width: 4px; }
.legal-text::-webkit-scrollbar-track { background: transparent; }
.legal-text::-webkit-scrollbar-thumb {
  background: var(--primary-accent);
  border-radius: 2px;
}

.contact-legal-check,
.contact-newsletter-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
}
.contact-legal-check input[type='checkbox'],
.contact-newsletter-check input[type='checkbox'] {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
  accent-color: var(--corporate-red);
}
.contact-legal-check label,
.contact-newsletter-check label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.contact-legal-check label a,
.contact-newsletter-check label a {
  color: var(--primary-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}
.contact-legal-check label a:hover,
.contact-newsletter-check label a:hover {
  text-decoration: underline;
}
.contact-newsletter-check .fa-arrow-right {
  color: var(--corporate-red);
  animation: bounce-right 1.5s infinite;
}
@keyframes bounce-right {
  0%, 20%, 50%, 80%, 100% { transform: translateX(0); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(4px); }
}
.feedback-box {
  grid-column: span 2;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  margin-top: 1rem;
  border: 1px solid transparent;
  text-align: center;
}
.feedback-box.success {
  background-color: rgba(52, 211, 153, 0.1);
  border-color: #34d399;
  color: #34d399;
}
.feedback-box.error {
  background-color: rgba(248, 113, 113, 0.1);
  border-color: #f87171;
  color: #f87171;
}
.feedback-box a {
  text-decoration: underline;
  font-weight: 600;
}

/* Footer */
footer {
  background: var(--darker-bg);
  padding: 3.75rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: baseline;
  justify-content: center;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-links a:hover { color: var(--primary-accent); }
.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0;
}
.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.2rem;
}
.social-link:hover {
  background: var(--primary-accent);
  border-color: transparent;
  color: white;
  transform: translateY(-3px);
}
.copyright {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Menú Hamburguesa para Móvil */
.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 1001;
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  text-align: center;
  line-height: 2rem;
}
@media (max-width: 1100px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(7, 6, 21, 0.98);
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-links.active { display: flex; }
  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { white-space: normal; }
  .nav-links a:not(.btn-entradas-nav) {
    padding: 1rem;
    display: block;
    width: 100%;
  }
  .nav-links a:not(.btn-entradas-nav)::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .nav-links .btn-entradas-nav {
    margin-top: 1rem;
    padding: 0.8rem 2rem !important;
  }
  .mobile-menu-button { display: block; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2.8rem; }
  .hero .subtitle { font-size: 1.1rem; }
  .ponentes-grid,
  .entradas-grid,
  .contact-form { grid-template-columns: 1fr; }
  .lugar-content { grid-template-columns: 1fr; gap: 2rem; }
  .section { padding: 3rem 1rem; }
  nav { padding: 1rem 1.5rem; }
  nav.scrolled { padding: 0.75rem 1.5rem; }
  .logo { font-size: 1.4rem; }
}

/* CSS para entradas agotadas */
.entrada-card.sold-out {
  background: rgba(60, 60, 60, 0.5) !important;
  border-color: rgba(100, 100, 100, 0.3) !important;
  filter: grayscale(100%);
  opacity: 0.7;
}
.entrada-card.sold-out h3,
.entrada-card.sold-out .price { color: #999 !important; }
.entrada-card.sold-out .features-list { color: #777 !important; }
.entrada-card.sold-out .features-list li {
  color: #777 !important;
  border-bottom-color: rgba(100, 100, 100, 0.2) !important;
}
.entrada-card.sold-out .fa-check-circle,
.entrada-card.sold-out .fa-star { color: #666 !important; }
.entrada-card.sold-out:hover {
  transform: none !important;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}
.entrada-card.sold-out .featured-badge { background: #666 !important; }
.entrada-button.entrada-disabled,
.entrada-disabled {
  background: #555 !important;
  cursor: not-allowed !important;
  opacity: 0.6;
  pointer-events: none;
}
.entrada-disabled:hover { transform: none !important; box-shadow: none !important; }