:root {
	--marino: #071A4A;
	--azul: #1E4FD8;
	--celeste: #2FA8E0;
	--oro: #F5A800;
	--tinta: #0B1B3F;
	--gris: #5B6478;
	--hielo: #EEF3FB;
	--blanco: #FFFFFF;
	--titulo: 'Anton', sans-serif;
	--texto: 'Montserrat', sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { margin: 0; font-family: var(--texto); color: var(--tinta); background: var(--blanco); line-height: 1.5; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.contenedor { width: min(1140px, 100% - 32px); margin-inline: auto; }
.angosto { width: min(780px, 100% - 32px); }
section { padding: 72px 0; }

/* Barra */
.barra { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 16px; background: rgba(7, 26, 74, 0.96); backdrop-filter: blur(8px); }
.marca { font-family: var(--titulo); font-size: 22px; color: var(--blanco); text-decoration: none; letter-spacing: 1px; }
.marca span { color: var(--oro); font-family: var(--texto); font-weight: 800; font-size: 12px; letter-spacing: 3px; margin-left: 6px; }
.barra nav { display: flex; gap: 22px; }
.barra nav a { color: #C9D6F5; text-decoration: none; font-weight: 700; font-size: 14px; }
.barra nav a:hover { color: var(--oro); }
@media (max-width: 860px) { .barra nav { display: none; } }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--texto); font-weight: 900; font-size: 17px; padding: 15px 28px; border-radius: 50px; text-decoration: none; border: 0; cursor: pointer; transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-2px); }
.btn-oro { position: relative; isolation: isolate; background: transparent; color: var(--marino); box-shadow: 0 8px 22px rgba(245, 168, 0, .35); animation: latido 3s ease-in-out infinite; }
.btn-oro::before { content: ''; position: absolute; inset: -3px; border-radius: inherit; z-index: -2; background: conic-gradient(from var(--giro), var(--oro) 0 55%, #FFFFFF 66%, var(--celeste) 74%, var(--azul) 80%, var(--oro) 90%); animation: girar 2.6s linear infinite; }
.btn-oro::after { content: ''; position: absolute; inset: 0; border-radius: inherit; z-index: -1; background: linear-gradient(180deg, #FFC23A, var(--oro)); }
@property --giro { syntax: '<angle>'; inherits: false; initial-value: 0deg; }
@keyframes girar { to { --giro: 360deg; } }
@keyframes latido { 0%, 100% { box-shadow: 0 8px 22px rgba(245, 168, 0, .35); } 50% { box-shadow: 0 8px 30px rgba(245, 168, 0, .6), 0 0 22px rgba(47, 168, 224, .35); } }
.btn-linea { border: 2px solid var(--blanco); color: var(--blanco); background: transparent; }
.btn-linea-oscuro { border: 2px solid var(--marino); color: var(--marino); background: transparent; }
.btn-chico { padding: 9px 18px; font-size: 14px; }

/* Portada — fondo claro: el azul y el marino resaltan en vez de perderse */
.portada { background: radial-gradient(ellipse at 50% -10%, #DCE7FB 0%, var(--hielo) 45%, var(--blanco) 100%); color: var(--marino); text-align: center; padding: 52px 0 60px; position: relative; overflow: hidden; }
.portada::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(30, 79, 216, .10) 1.5px, transparent 1.5px); background-size: 22px 22px; mask-image: linear-gradient(to bottom, #000, transparent 70%); -webkit-mask-image: linear-gradient(to bottom, #000, transparent 70%); pointer-events: none; }
.portada .contenedor { position: relative; }
.supra { font-weight: 900; letter-spacing: 10px; color: var(--azul); margin: 0; font-size: clamp(14px, 2.4vw, 20px); }
.supra.claro { color: var(--oro); }
.portada h1 { font-family: var(--titulo); font-weight: 400; font-size: clamp(38px, 8vw, 92px); line-height: 1.02; margin: 6px 0 12px; letter-spacing: .5px; color: var(--marino); }
.pildora { display: inline-block; background: var(--azul); color: var(--blanco); font-weight: 900; letter-spacing: 8px; padding: 6px 22px; border-radius: 40px; font-size: clamp(12px, 2vw, 16px); }
.escalera { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; align-items: end; max-width: 820px; margin: 34px auto 0; border-bottom: 4px solid var(--marino); }
.escalon { display: flex; flex-direction: column; align-items: center; }
.escalon strong { font-family: var(--titulo); font-weight: 400; font-size: clamp(36px, 9vw, 96px); line-height: 1; }
.escalon span { width: 100%; border-radius: 12px 12px 0 0; font-weight: 800; font-size: clamp(11px, 2.2vw, 17px); padding-top: 10px; color: var(--blanco); }
.escalon span b { color: var(--oro); margin-right: 4px; }
.e1 strong { color: var(--azul); } .e1 span { background: var(--azul); height: 60px; }
.e2 strong { color: var(--marino); } .e2 span { background: var(--marino); height: 110px; }
.e3 strong { color: #B97E00; } .e3 span { background: var(--oro); color: var(--marino); height: 160px; }
.e3 span b { color: var(--marino); }
.bajada { font-size: clamp(16px, 2.6vw, 22px); max-width: 760px; margin: 26px auto; color: var(--gris); font-weight: 600; }
.bajada b { color: var(--marino); }

/* Boleto: toda la logística en un solo bloque */
.boleto { max-width: 900px; margin: 0 auto; background: var(--marino); color: var(--blanco); border-radius: 26px; box-shadow: 0 24px 50px rgba(7, 26, 74, .25); overflow: hidden; text-align: left; }
.datos { display: grid; grid-template-columns: 1fr 1fr 1.2fr; }
.datos > * { padding: 20px 22px; text-decoration: none; color: inherit; border-right: 1px dashed rgba(255, 255, 255, .22); display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: center; }
.datos > *:last-child { border-right: 0; }
.ico-dato { grid-row: span 3; font-size: 28px; }
.hoja { width: 40px; background: var(--blanco); color: var(--marino); border-radius: 8px; overflow: hidden; text-align: center; font-family: var(--titulo); font-size: 22px; line-height: 1.15; padding-bottom: 2px; }
.hoja i { display: block; background: #E0362C; color: var(--blanco); font-style: normal; font-family: var(--texto); font-weight: 900; font-size: 10px; letter-spacing: 1.5px; line-height: 1.7; }
.datos small { color: var(--oro); font-weight: 800; letter-spacing: 3px; font-size: 11px; }
.datos b { font-size: 17px; line-height: 1.25; }
.datos em { font-style: normal; font-size: 13px; color: #AFC2EE; font-weight: 600; }
.datos a:hover em { color: var(--oro); text-decoration: underline; }
.boleto-pie { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 18px 22px; background: #0C2766; border-top: 2px dashed rgba(255, 255, 255, .22); }
.cuenta { display: flex; gap: 8px; }
.cuenta div { background: var(--blanco); color: var(--marino); border-radius: 12px; min-width: 64px; padding: 6px 4px; text-align: center; }
.cuenta b { display: block; font-family: var(--titulo); font-weight: 400; font-size: 30px; line-height: 1.1; }
.cuenta small { font-weight: 700; font-size: 11px; color: var(--gris); }
.reserva { text-align: center; }
.aforo { margin: 8px 0 0; font-weight: 800; letter-spacing: 1.5px; font-size: 12px; color: #AFC2EE; }
.ver-ponentes { display: inline-block; margin-top: 22px; font-weight: 800; color: var(--azul); text-decoration: none; }
.ver-ponentes:hover { text-decoration: underline; }
@media (max-width: 760px) {
	.datos { grid-template-columns: 1fr; }
	.datos > * { border-right: 0; border-bottom: 1px dashed rgba(255, 255, 255, .22); padding: 14px 18px; }
	.datos > *:last-child { border-bottom: 0; }
	.boleto-pie { justify-content: center; }
	.reserva, .reserva .btn { width: 100%; }
	.reserva .btn { font-size: 15px; padding: 14px 12px; white-space: nowrap; }
	.cuenta div { min-width: 0; flex: 1; }
	.cuenta { width: 100%; }
}

/* Títulos de sección */
.titulo { font-family: var(--titulo); font-weight: 400; font-size: clamp(34px, 6vw, 56px); text-align: center; color: var(--marino); margin: 0 0 10px; line-height: 1.05; }
.titulo.izq { text-align: left; }
.intro { text-align: center; color: var(--gris); font-weight: 600; margin: 0 auto 34px; max-width: 640px; }

/* Público */
.publico { background: var(--hielo); }
.tarjetas4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-top: 30px; }
.tarjeta { background: var(--blanco); border-radius: 20px; padding: 24px; border-top: 5px solid var(--azul); box-shadow: 0 10px 30px rgba(7, 26, 74, .06); }
.tarjeta .ico { font-size: 32px; }
.tarjeta h3 { margin: 10px 0 6px; font-size: 18px; color: var(--marino); }
.tarjeta p { margin: 0; color: var(--gris); font-size: 15px; }

/* Ponentes */
.grilla-ponentes { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.ponente { background: none; border: 0; padding: 0; cursor: pointer; text-align: center; font-family: inherit; color: inherit; }
.arco { aspect-ratio: 5 / 6; border-radius: 999px 999px 22px 22px; overflow: hidden; background: linear-gradient(180deg, #3D6BE0, var(--marino)); border: 5px solid var(--oro); display: flex; align-items: flex-end; justify-content: center; transition: transform .2s; }
.arco img { height: 95%; width: auto; object-fit: contain; }
.ponente:hover .arco { transform: translateY(-6px); }
.ponente h3 { font-family: var(--titulo); font-weight: 400; font-size: 26px; color: var(--marino); margin: 12px 0 0; }
.ponente b { display: block; color: var(--azul); font-size: 19px; }
.ponente small { color: var(--gris); font-weight: 600; }
.ponente .ver { display: inline-block; margin-top: 8px; font-weight: 800; font-size: 14px; color: var(--marino); border-bottom: 2px solid var(--oro); }
.panel { margin-top: 40px; text-align: center; border: 2px solid var(--azul); border-radius: 22px; padding: 22px; }
.panel h3 { font-family: var(--titulo); font-weight: 400; font-size: 30px; color: var(--marino); margin: 0 0 6px; }
.panel p { margin: 0; color: var(--gris); font-weight: 600; }

/* Ficha */
.ficha { width: min(680px, 100% - 24px); max-height: 90vh; border: 0; border-radius: 26px; padding: 30px; color: var(--tinta); }
.ficha::backdrop { background: rgba(3, 11, 36, .7); }
.ficha .cerrar { position: absolute; top: 12px; right: 16px; background: none; border: 0; font-size: 34px; cursor: pointer; color: var(--marino); }
.ficha-cabeza { display: flex; gap: 18px; align-items: center; margin-bottom: 14px; }
.arco.chico { width: 110px; flex: 0 0 110px; border-width: 4px; }
.ficha h3 { font-family: var(--titulo); font-weight: 400; font-size: 32px; color: var(--marino); margin: 0; }
.ficha .cargo { margin: 2px 0 8px; color: var(--gris); font-weight: 700; }
.etiqueta { background: var(--azul); color: var(--blanco); font-weight: 800; padding: 4px 12px; border-radius: 20px; font-size: 14px; }
.ficha h4 { color: var(--marino); margin: 18px 0 6px; }
.pendiente { color: var(--gris); font-style: italic; }
.entrega { background: var(--hielo); border-left: 5px solid var(--oro); border-radius: 14px; padding: 6px 18px 18px; margin-top: 18px; }
.enlaces { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

/* Programa */
.programa { background: var(--marino); color: var(--blanco); }
.programa .titulo { color: var(--blanco); }
.programa .intro { color: #AFC2EE; }
.linea { list-style: none; padding: 0; margin: 0 auto; max-width: 720px; position: relative; }
.linea::before { content: ''; position: absolute; left: 96px; top: 6px; bottom: 6px; width: 3px; background: rgba(79, 195, 247, .35); }
.linea li { display: grid; grid-template-columns: 80px 1fr; gap: 34px; padding: 12px 0; position: relative; align-items: start; }
.linea li::before { content: ''; position: absolute; left: 89px; top: 18px; width: 17px; height: 17px; border-radius: 50%; background: var(--marino); border: 3px solid var(--celeste); }
.linea li.ponencia::before { background: var(--oro); border-color: var(--oro); }
.linea li.panelc::before { background: var(--celeste); }
.linea time { font-weight: 900; color: var(--oro); text-align: right; padding-top: 2px; }
.linea b, .enlace-ponente { font-size: 19px; font-weight: 800; }
.enlace-ponente { background: none; border: 0; padding: 0; color: var(--blanco); font-family: inherit; cursor: pointer; text-align: left; border-bottom: 2px solid var(--oro); }
.linea small { display: block; color: #AFC2EE; font-weight: 600; }
.linea li.ponencia { background: rgba(255, 255, 255, .05); border-radius: 12px; }

/* Patrocinadores — dos filas en movimiento, todas sobre el mismo fondo */
.patrocinadores { background: linear-gradient(180deg, var(--blanco), var(--hielo)); }
/* Franja marino a todo lo ancho: cada logo conserva su fondo original en una tarjeta 3:2 del mismo tamaño */
.carrusel { display: grid; gap: 18px; width: 100vw; margin-left: calc(50% - 50vw); padding: 34px 0; background: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1.4px) 0 0 / 18px 18px, linear-gradient(135deg, #0A2160, var(--marino) 55%, #051238); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), inset 0 -1px 0 rgba(255, 255, 255, .06); }
.fila { overflow: hidden; padding: 8px 0; mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.pista { display: flex; gap: 18px; width: max-content; animation: desliza 48s linear infinite; }
.fila.der .pista { animation-duration: 56s; animation-direction: reverse; }
.fila:hover .pista, .fila:focus-within .pista { animation-play-state: paused; }
@keyframes desliza { to { transform: translateX(calc(-50% - 9px)); } }
.logo { position: relative; flex: 0 0 auto; width: 198px; aspect-ratio: 3 / 2; display: block; border-radius: 16px; overflow: hidden; box-shadow: 0 0 0 1px rgba(255, 255, 255, .14), 0 10px 24px rgba(0, 0, 0, .35); transition: transform .25s, box-shadow .25s; }
.logo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.logo:hover { transform: translateY(-5px) scale(1.03); box-shadow: 0 0 0 2px var(--oro), 0 16px 30px rgba(0, 0, 0, .45); }
/* Fila de arriba: un reflejo de luz cruza cada tarjeta. Fila de abajo: el borde respira en celeste. */
.fila.izq .logo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, .32) 50%, transparent 60%); transform: translateX(-120%); animation: reflejo 6s ease-in-out infinite; pointer-events: none; }
.fila.izq .logo:nth-child(3n+2)::after { animation-delay: 2s; } .fila.izq .logo:nth-child(3n)::after { animation-delay: 4s; }
@keyframes reflejo { 0%, 70% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }
.fila.der .logo { animation: respira 5s ease-in-out infinite; }
.fila.der .logo:nth-child(odd) { animation-delay: 2.5s; }
@keyframes respira { 0%, 100% { box-shadow: 0 0 0 1px rgba(255, 255, 255, .14), 0 10px 24px rgba(0, 0, 0, .35); } 50% { box-shadow: 0 0 0 2px rgba(47, 168, 224, .75), 0 10px 28px rgba(47, 168, 224, .3); } }
a.logo::before { content: '↗'; position: absolute; z-index: 1; top: 7px; right: 8px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; font-size: 11px; font-weight: 900; color: var(--marino); background: rgba(255, 255, 255, .9); }
@media (max-width: 560px) { .logo { width: 150px; } .carrusel { gap: 12px; padding: 24px 0; } .pista { gap: 12px; } }

.unete { position: relative; overflow: hidden; margin-top: 40px; display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 26px; align-items: center; background: radial-gradient(500px circle at var(--x, 80%) var(--y, 0%), rgba(47, 168, 224, .28), transparent 60%), linear-gradient(135deg, #0B2A7A, var(--marino)); color: var(--blanco); border-radius: 26px; padding: 34px 30px; }
.unete h3 { margin: 0 0 6px; font-size: 24px; }
.unete p { margin: 0; color: #CFDAF7; }
.niveles { display: flex; gap: 14px; }
.nivel { position: relative; flex: 1; text-align: center; border-radius: 18px; padding: 18px 8px; color: var(--marino); overflow: hidden; background-size: 220% 220%; animation: brillo 5s ease-in-out infinite; }
.nivel small { display: block; font-weight: 800; letter-spacing: 3px; font-size: 11px; opacity: .8; }
.nivel b { display: block; font-family: var(--titulo); font-weight: 400; font-size: 32px; line-height: 1.15; }
.nivel span { font-weight: 800; font-size: 14px; }
@keyframes brillo { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
/* Oro: metal pulido */
.nivel.oro { background-image: linear-gradient(120deg, #8A5A00 0%, #D9A21B 18%, #FFE38A 34%, #F5B800 48%, #A86E00 62%, #FFD866 80%, #B57D00 100%); border: 2px solid #FFE9A8; box-shadow: 0 10px 26px rgba(245, 168, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .6); }
.nivel.oro b { color: #3A2500; text-shadow: 0 1px 0 rgba(255, 240, 190, .8); }
/* Diamante: hielo tallado con destellos */
.nivel.diamante { overflow: visible; background-image: linear-gradient(125deg, #E9F8FF 0%, #FFFFFF 15%, #BDE8FF 30%, #F2EBFF 45%, #FFFFFF 58%, #A9DDFF 72%, #E6FBFF 86%, #FFFFFF 100%); border: 2px solid #FFFFFF; box-shadow: 0 0 0 1px rgba(47, 168, 224, .5), 0 10px 30px rgba(120, 200, 255, .45), inset 0 0 18px rgba(255, 255, 255, .9); }
.nivel.diamante b { background: linear-gradient(90deg, #0B2A7A, #2F7FE0, #6A4FD8, #0B2A7A); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: brillo 4s linear infinite; }
.nivel.diamante em { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); white-space: nowrap; font-style: normal; font-weight: 900; font-size: 11px; background: var(--oro); color: var(--marino); padding: 3px 10px; border-radius: 20px; z-index: 2; }
.destello { position: absolute; width: 14px; height: 14px; background: #FFFFFF; clip-path: polygon(50% 0, 60% 40%, 100% 50%, 60% 60%, 50% 100%, 40% 60%, 0 50%, 40% 40%); filter: drop-shadow(0 0 4px #9FDCFF); animation: destella 2.4s ease-in-out infinite; pointer-events: none; }
.d1 { top: 12px; left: 12px; } .d2 { bottom: 14px; right: 14px; animation-delay: .8s; } .d3 { top: 40%; right: 20px; width: 9px; height: 9px; animation-delay: 1.6s; }
@keyframes destella { 0%, 100% { transform: scale(0) rotate(0); opacity: 0; } 50% { transform: scale(1) rotate(90deg); opacity: 1; } }
@media (max-width: 900px) { .unete { grid-template-columns: 1fr; text-align: center; } }

/* Lugar */
.dos-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 34px; align-items: center; }
@media (max-width: 800px) { .dos-col { grid-template-columns: 1fr; } }
.grande { font-size: 22px; }
.mapa { width: 100%; height: 340px; border: 0; border-radius: 22px; }

/* FAQ */
.faq { background: var(--hielo); }
details { background: var(--blanco); border-radius: 16px; padding: 18px 22px; margin-bottom: 12px; box-shadow: 0 6px 18px rgba(7, 26, 74, .05); }
summary { font-weight: 800; color: var(--marino); cursor: pointer; font-size: 17px; }
details p { margin: 10px 0 0; color: var(--gris); }

/* Cierre */
.cierre { background: radial-gradient(ellipse at 30% 0%, #1A47B8, var(--marino)); color: var(--blanco); }
.cierre h2 { font-family: var(--titulo); font-weight: 400; font-size: clamp(32px, 5vw, 52px); line-height: 1.05; margin: 8px 0 12px; }
.cierre .tel { font-weight: 700; color: #AFC2EE; }
.cierre .tel a { color: var(--oro); }
.qr { width: 240px; height: 240px; background: var(--blanco); border-radius: 22px; padding: 16px; justify-self: center; }

footer { background: #030B24; color: #8EA0C9; text-align: center; padding: 26px 16px 90px; font-size: 14px; }
footer p { margin: 4px 0; }
footer .credito b { color: #1DB97F; }

.flotante { position: fixed; right: 18px; bottom: 18px; z-index: 30; width: 60px; height: 60px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 26px rgba(0, 0, 0, .3); }

/* Ajustes para celular */
@media (max-width: 560px) {
	.grilla-ponentes { grid-template-columns: 1fr 1fr; gap: 16px 12px; }
	.ponente h3 { font-size: 19px; }
	.ponente b { font-size: 15px; }
	.ponente small { font-size: 11px; }
	.marca span { display: none; }
	section { padding: 54px 0; }
}

/* Video promocional */
.promo { background: radial-gradient(ellipse at 20% 0%, #163E9E, var(--marino) 60%); color: var(--blanco); position: relative; overflow: hidden; }
.promo::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(47, 168, 224, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 168, 224, .07) 1px, transparent 1px); background-size: 40px 40px; mask-image: radial-gradient(ellipse at 30% 50%, #000, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at 30% 50%, #000, transparent 75%); pointer-events: none; }
.promo-grid { position: relative; display: grid; grid-template-columns: 380px 1fr; gap: 56px; align-items: center; }
.promo-tel { position: relative; isolation: isolate; border-radius: 40px; padding: 10px; background: #050D24; box-shadow: 0 30px 70px rgba(0, 0, 0, .45); }
.promo-tel::before { content: ''; position: absolute; inset: -3px; border-radius: 43px; z-index: -1; background: conic-gradient(from var(--giro), var(--azul), var(--celeste), var(--oro), var(--azul)); animation: girar 5s linear infinite; }
.promo-tel video { display: block; width: 100%; height: auto; aspect-ratio: 720 / 1204; border-radius: 30px; background: #000; object-fit: cover; }
.promo-play { position: absolute; inset: 10px; border: 0; border-radius: 30px; background: linear-gradient(transparent 55%, rgba(3, 11, 36, .55)); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.promo-play span { width: 88px; height: 88px; border-radius: 50%; background: var(--oro); display: flex; align-items: center; justify-content: center; box-shadow: 0 0 0 0 rgba(245, 168, 0, .6); animation: onda-oro 2s ease-out infinite; }
.promo-play span::before { content: ''; margin-left: 7px; border-left: 28px solid var(--marino); border-top: 17px solid transparent; border-bottom: 17px solid transparent; }
@keyframes onda-oro { 0% { box-shadow: 0 0 0 0 rgba(245, 168, 0, .55); } 100% { box-shadow: 0 0 0 26px rgba(245, 168, 0, 0); } }
.promo-play[hidden] { display: none; }
.promo-texto h2 { font-family: var(--titulo); font-weight: 400; font-size: clamp(38px, 6vw, 64px); line-height: 1.02; margin: 8px 0 14px; }
.promo-texto > p { color: #CFDAF7; font-size: 18px; max-width: 540px; }
.promo-lista { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 12px; }
.promo-lista li { background: rgba(255, 255, 255, .06); border: 1px solid rgba(47, 168, 224, .3); border-radius: 14px; padding: 12px 16px; font-weight: 600; color: #DCE6FF; }
.promo-lista b { color: var(--oro); font-family: var(--titulo); font-weight: 400; font-size: 21px; letter-spacing: .5px; margin-right: 6px; }
@media (max-width: 860px) { .promo-grid { grid-template-columns: 1fr; gap: 34px; } .promo-tel { max-width: 290px; margin: 0 auto; } .promo-texto { text-align: center; } .promo-texto > p { margin-inline: auto; } .promo-lista { text-align: left; } }

/* ===== Capa tecnológica ===== */
.red { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.portada { isolation: isolate; }
.portada .contenedor { z-index: 1; }
/* La escalera crece al cargar */
.escalon span { transform-origin: bottom; animation: crece .9s cubic-bezier(.2, .8, .2, 1) both; }
.e2 span { animation-delay: .15s; } .e3 span { animation-delay: .3s; }
.escalon strong { animation: sube .8s ease-out both; }
.e2 strong { animation-delay: .25s; } .e3 strong { animation-delay: .45s; }
@keyframes crece { from { transform: scaleY(0); } }
@keyframes sube { from { opacity: 0; transform: translateY(18px); } }
/* La píldora y el boleto con luz propia */
.pildora { box-shadow: 0 0 0 0 rgba(30, 79, 216, .5); animation: onda 2.8s ease-out infinite; }
@keyframes onda { 0% { box-shadow: 0 0 0 0 rgba(30, 79, 216, .45); } 100% { box-shadow: 0 0 0 16px rgba(30, 79, 216, 0); } }
.boleto { position: relative; background: radial-gradient(420px circle at var(--x, 50%) var(--y, 0%), rgba(47, 168, 224, .22), transparent 60%), var(--marino); }
.boleto::before { content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 2px; background: conic-gradient(from var(--giro), transparent 0 70%, var(--celeste) 80%, var(--oro) 88%, transparent 96%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: girar 6s linear infinite; pointer-events: none; }
.boleto-pie { background: rgba(12, 39, 102, .85); }
#c-seg { animation: tic 1s steps(1) infinite; }
@keyframes tic { 50% { color: var(--azul); } }
/* Tarjetas con luz que sigue al cursor */
.tarjeta { position: relative; overflow: hidden; }
.tarjeta::after { content: ''; position: absolute; inset: 0; background: radial-gradient(260px circle at var(--x, -100px) var(--y, -100px), rgba(30, 79, 216, .10), transparent 70%); pointer-events: none; }
.tarjeta:hover { translate: 0 -6px; box-shadow: 0 18px 36px rgba(7, 26, 74, .12); }
/* Ponentes: aro de luz al pasar */
.ponente:hover .arco { box-shadow: 0 0 0 4px rgba(47, 168, 224, .35), 0 18px 40px rgba(30, 79, 216, .35); }
/* Programa: una señal recorre la línea del tiempo */
.linea::after { content: ''; position: absolute; left: 96px; top: 0; width: 3px; height: 90px; background: linear-gradient(transparent, var(--celeste), var(--oro), transparent); animation: recorre 4s linear infinite; }
@keyframes recorre { from { top: 0; } to { top: calc(100% - 90px); } }
/* Aparición al hacer scroll */
.revela { opacity: 0; transform: translateY(26px); transition: opacity .7s ease var(--retraso, 0ms), transform .7s cubic-bezier(.2, .8, .2, 1) var(--retraso, 0ms), translate .25s, box-shadow .25s; }
.revela.visto { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation: none !important; transition: none !important; }
	.revela { opacity: 1; transform: none; }
}