/* Apertura del inicio: entrada de marca con el logo de Seven Pro League.
   Línea de luz → se abre el fondo → el escudo entra con aberración de color, onda y brillo → nombre letra a letra
   → barra de carga → el fondo se parte en diagonal (como las puertas Torneo | Tienda) y aparece la página. */
html.intro-on { overflow: hidden; }
.no-js .intro, .intro-visto .intro { display: none; }
.intro { --e: cubic-bezier(.16, 1, .3, 1); position: fixed; inset: 0; z-index: 500; color: #fff; overflow: hidden; -webkit-tap-highlight-color: transparent; }
.intro::after { content: ''; position: absolute; inset: -50%; z-index: 4; pointer-events: none; opacity: .07; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>"); animation: in-grano .6s steps(5) infinite; transition: opacity .3s; }
.intro.in-abre::after { opacity: 0; }
@keyframes in-grano { 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-1%, 3%); } 80% { transform: translate(3%, 1%); } }

/* fondo partido en dos: al final cada mitad se va por su lado */
.in-puerta { position: absolute; inset: 0; background: radial-gradient(75% 55% at 50% 46%, #0B1458 0%, #060A2C 42%, #02030F 100%); transition: transform 1.05s cubic-bezier(.77, 0, .18, 1); will-change: transform; }
.in-puerta-a { clip-path: polygon(0 0, 100% 0, 100% 39.6%, 0 61.6%); }
.in-puerta-b { clip-path: polygon(0 60.4%, 100% 38.4%, 100% 100%, 0 100%); }
.intro.in-abre .in-puerta-a { transform: translate(-3%, -101%); }
.intro.in-abre .in-puerta-b { transform: translate(3%, 101%); }
.in-costura { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; opacity: 0; }
.in-costura line { stroke: #BFF8FF; stroke-width: 2; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 6px #3FE0F0) drop-shadow(0 0 16px #3FE0F0); }

/* escena (va encima de las puertas y se desvanece justo antes de abrirlas) */
.in-escena { position: absolute; inset: 0; z-index: 2; transition: opacity .45s ease, transform .7s var(--e), filter .45s ease; }
.intro.in-sale .in-escena { opacity: 0; transform: scale(1.07); filter: blur(6px); }
.in-aurora { position: absolute; inset: -25%; filter: blur(70px); opacity: 0; transition: opacity 1.4s ease; }
.intro.in-vivo .in-aurora { opacity: .8; }
.in-aurora i { position: absolute; border-radius: 50%; mix-blend-mode: screen; animation: in-deriva 9s ease-in-out infinite alternate; }
.in-aurora i:nth-child(1) { width: 52vmax; height: 52vmax; left: 12%; top: 18%; background: radial-gradient(closest-side, rgba(36, 51, 224, .9), transparent); }
.in-aurora i:nth-child(2) { width: 40vmax; height: 40vmax; right: 10%; bottom: 14%; background: radial-gradient(closest-side, rgba(63, 224, 240, .55), transparent); animation-duration: 11s; animation-direction: alternate-reverse; }
.in-aurora i:nth-child(3) { width: 30vmax; height: 30vmax; left: 46%; top: 40%; background: radial-gradient(closest-side, rgba(59, 91, 255, .6), transparent); animation-duration: 7s; }
@keyframes in-deriva { to { transform: translate(8vmax, -6vmax) scale(1.15); } }
.in-rejilla { position: absolute; inset: 0; opacity: 0; transition: opacity 1.6s ease; background-image: linear-gradient(rgba(140, 243, 250, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(140, 243, 250, .07) 1px, transparent 1px); background-size: 56px 56px; background-position: center; -webkit-mask-image: radial-gradient(55% 45% at 50% 48%, #000, transparent 80%); mask-image: radial-gradient(55% 45% at 50% 48%, #000, transparent 80%); animation: in-rejilla 14s linear infinite; }
.intro.in-vivo .in-rejilla { opacity: 1; }
@keyframes in-rejilla { to { background-position: center 56px; } }
.in-siete { position: absolute; left: 50%; top: 50%; font-family: var(--display); font-style: italic; font-weight: 900; font-size: min(125vw, 92vh); line-height: .8; color: transparent; -webkit-text-stroke: 1.5px rgba(63, 224, 240, .13); pointer-events: none; opacity: 0; transform: translate(-50%, -50%) scale(1.3); transition: opacity 1.6s ease, transform 3.4s var(--e); }
.intro.in-vivo .in-siete { opacity: 1; transform: translate(-47%, -50%) scale(1); }
.in-polvo { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.in-linea { position: absolute; left: 50%; top: 50%; width: min(78vw, 760px); height: 2px; margin: -1px 0 0 calc(min(78vw, 760px) / -2); border-radius: 2px; background: linear-gradient(90deg, transparent, #8CF3FA 18%, #fff 50%, #8CF3FA 82%, transparent); box-shadow: 0 0 18px #3FE0F0, 0 0 46px rgba(63, 224, 240, .55); transform: scaleX(0); opacity: 0; }

/* centro: escudo + nombre */
.in-centro { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: clamp(16px, 3vh, 26px); padding: 0 20px 6vh; text-align: center; }
.in-logo { position: relative; width: clamp(170px, 52vw, 290px); aspect-ratio: 560 / 554; }
.in-logo::before { content: ''; position: absolute; inset: -38%; border-radius: 50%; background: radial-gradient(closest-side, rgba(63, 224, 240, .32), rgba(36, 51, 224, .18) 55%, transparent); opacity: 0; transition: opacity 1.2s ease; }
.intro.in-logo-on .in-logo::before { opacity: 1; }
.in-logo img { position: relative; z-index: 2; display: block; width: 100%; height: 100%; object-fit: contain; opacity: 0; filter: drop-shadow(0 18px 36px rgba(0, 0, 0, .55)); }
.in-croma, .in-brillo { position: absolute; inset: 0; -webkit-mask: url(../img/logos/seven-pro-league-hd.webp) center / contain no-repeat; mask: url(../img/logos/seven-pro-league-hd.webp) center / contain no-repeat; pointer-events: none; opacity: 0; }
.in-croma { z-index: 1; mix-blend-mode: screen; }
.in-croma-c { background: #3FE0F0; }
.in-croma-r { background: #FF2E4D; }
.in-brillo { z-index: 3; background: linear-gradient(110deg, transparent 38%, rgba(255, 255, 255, .85) 50%, transparent 62%) no-repeat; background-size: 260% 100%; background-position: 150% 0; mix-blend-mode: soft-light; }
.in-onda { position: absolute; left: 50%; top: 50%; z-index: 0; width: 100%; aspect-ratio: 1; border-radius: 50%; border: 2px solid rgba(140, 243, 250, .85); box-shadow: 0 0 24px rgba(63, 224, 240, .5), inset 0 0 24px rgba(63, 224, 240, .35); transform: translate(-50%, -50%) scale(.4); opacity: 0; }
.in-aro { position: absolute; inset: -16%; z-index: 0; border-radius: 50%; opacity: 0; transition: opacity 1s ease; }
.in-aro::before, .in-aro::after { content: ''; position: absolute; inset: 0; border-radius: 50%; -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1.5px)); mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1.5px)); }
.in-aro::before { background: rgba(255, 255, 255, .09); }
.in-aro::after { background: conic-gradient(from 0deg, transparent 0 58%, rgba(63, 224, 240, .15) 70%, #3FE0F0 88%, #fff 91%, transparent 92%); animation: in-gira 2.6s linear infinite; }
.intro.in-logo-on .in-aro { opacity: 1; }
@keyframes in-gira { to { transform: rotate(1turn); } }

.in-nombre { margin: 0; font-family: var(--display); font-style: italic; font-weight: 900; text-transform: uppercase; font-size: clamp(40px, 10.6vw, 84px); line-height: .92; letter-spacing: .01em; white-space: nowrap; }
.in-nombre .l { display: inline-block; overflow: hidden; padding: .02em .05em .08em; margin: 0 -.05em; vertical-align: top; }
.in-nombre .l > span { display: inline-block; transform: translateY(112%) skewY(8deg); }
.in-nombre .g > span { background: linear-gradient(100deg, var(--cyan), #4FA8FF 55%, var(--blue-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.in-sub { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0; font-family: var(--tech); font-size: clamp(10px, 2.6vw, 12px); font-weight: 600; letter-spacing: .32em; text-transform: uppercase; color: rgba(255, 255, 255, .72); opacity: 0; }
.in-sub img { height: 28px; width: auto; }
.in-sub b { color: var(--cyan); font-weight: 600; }

/* barra de carga */
.in-carga { position: absolute; left: clamp(20px, 4vw, 56px); right: clamp(20px, 4vw, 56px); bottom: calc(clamp(20px, 4vh, 40px) + env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 16px; font-family: var(--tech); font-size: 11px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: rgba(255, 255, 255, .5); opacity: 0; transition: opacity .6s ease; }
.intro.in-vivo .in-carga { opacity: 1; }
.in-num { min-width: 3.4ch; color: #fff; font-variant-numeric: tabular-nums; }
.in-barra { position: relative; flex: 1; height: 1px; background: rgba(255, 255, 255, .14); overflow: hidden; }
.in-barra i { position: absolute; inset: 0; background: linear-gradient(90deg, var(--blue-2), var(--cyan)); box-shadow: 0 0 10px var(--cyan); transform: scaleX(0); transform-origin: 0 50%; }
@media (max-width: 520px) { .in-lugar { display: none; } }

.in-saltar { position: absolute; top: calc(14px + env(safe-area-inset-top)); right: 14px; z-index: 5; height: 36px; padding: 0 16px; border: 0; border-radius: 999px; cursor: pointer; font-family: var(--tech); font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .75); background: rgba(255, 255, 255, .07); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); opacity: 0; transition: opacity .5s ease .6s, background .2s; }
.intro.in-vivo .in-saltar { opacity: 1; }
.in-saltar:hover { color: #fff; background: rgba(255, 255, 255, .14); }
.intro.in-sale .in-saltar { opacity: 0; transition-delay: 0s; }

@media (prefers-reduced-motion: reduce) {
  .intro::after, .in-aurora i, .in-rejilla, .in-aro::after { animation: none; }
}