/* Entrada de la portada (Shared/_Intro.cshtml). Va aparte para que el resto del diseño no la cambie.
 * Tiempos (unos 3 s): 0,1 s caen las etiquetas · 0,8 s se ordenan · 1,25 s timbre · 1,6 s sale la escena y entra Manitas · 3,2 s se abre. */
html.intro-activa { overflow: hidden; }
.fp-intro {
    --paso: clamp(96px, 26vw, 240px);
    position: fixed; inset: 0; z-index: 100; overflow: hidden; cursor: pointer;
    font-family: "Rubik", "Segoe UI", system-ui, sans-serif;
    background:
        radial-gradient(circle at 50% 55%, rgba(255, 194, 26, .28), transparent 55%),
        radial-gradient(circle, rgba(255, 255, 255, .06) 0 1.5px, transparent 2px) 0 0 / 24px 24px,
        #17171a;
    transition: opacity .6s ease, transform .6s cubic-bezier(.6, 0, .3, 1);
}
.fp-intro.saliendo { opacity: 0; transform: scale(1.12); pointer-events: none; }

/* cintas de precaución que entran por arriba y abajo */
.fp-cinta { position: absolute; left: -40px; right: -40px; height: 26px; background: repeating-linear-gradient(-45deg, #ffc21a 0 22px, #17171a 22px 44px); border-block: 3px solid #17171a; }
.fp-cinta-arriba { top: 0; animation: fp-cinta-a .7s cubic-bezier(.3, 1.4, .5, 1) both, fp-correr 2s linear infinite; }
.fp-cinta-abajo { bottom: 0; animation: fp-cinta-b .7s cubic-bezier(.3, 1.4, .5, 1) both, fp-correr 2s linear infinite reverse; }
@keyframes fp-cinta-a { from { transform: translateY(-100%); } }
@keyframes fp-cinta-b { from { transform: translateY(100%); } }
@keyframes fp-correr { to { background-position: 62px 0; } }

/* rayos amarillos detrás de Manitas */
.fp-rayos {
    position: absolute; left: 50%; top: 50%; width: 160vmax; height: 160vmax; margin: -80vmax 0 0 -80vmax;
    background: repeating-conic-gradient(rgba(255, 194, 26, .16) 0 9deg, transparent 9deg 18deg);
    opacity: 0; animation: fp-aparecer .5s ease 1.6s forwards, fp-girar 24s linear infinite;
}
@keyframes fp-girar { to { transform: rotate(360deg); } }
@keyframes fp-aparecer { to { opacity: 1; } }

/* escena de las etiquetas */
.fp-escena { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; animation: fp-salir-escena .4s cubic-bezier(.6, 0, .4, 1) 1.6s forwards; }
@keyframes fp-salir-escena { to { opacity: 0; transform: translateY(-40px) scale(.85); } }
.fp-pregunta { color: #fff; font-size: clamp(1.1rem, 3vw, 1.7rem); font-weight: 800; font-style: italic; margin: 0 0 clamp(80px, 14vh, 130px); text-align: center; padding: 0 16px; opacity: 0; animation: fp-subir .35s ease .05s forwards; }
.fp-pregunta b { color: #ffc21a; }
@keyframes fp-subir { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.fp-etiquetas { position: relative; width: 0; height: clamp(150px, 22vh, 190px); }

/* cada etiqueta cae colgando en su lugar desordenado, se balancea y después se corre a su lugar ordenado */
.fp-etiqueta {
    position: absolute; left: 0; top: 0; width: calc(var(--paso) * .86); margin-left: calc(var(--paso) * -.43);
    transform-origin: 50% -60px;
    animation: fp-etiqueta 1.4s cubic-bezier(.35, 0, .25, 1) calc(.1s + var(--n) * .06s) both;
}
@keyframes fp-etiqueta {
    0% { transform: translate(calc(var(--de) * var(--paso)), -100vh) rotate(-14deg); }
    22% { transform: translate(calc(var(--de) * var(--paso)), 0) rotate(6deg); }
    32% { transform: translate(calc(var(--de) * var(--paso)), 0) rotate(-3deg); }
    40%, 46% { transform: translate(calc(var(--de) * var(--paso)), 0) rotate(0); }
    62% { transform: translate(calc(var(--a) * var(--paso)), -30px) rotate(0); }
    72%, 100% { transform: translate(calc(var(--a) * var(--paso)), 0) rotate(0); }
}
.fp-hilo { position: absolute; left: 50%; bottom: 100%; width: 3px; height: 70px; margin-left: -1.5px; background: #e9e2cf; border-radius: 2px; }
.fp-carton {
    position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px;
    background: #fff; color: #17171a; border: 3px solid #17171a; border-radius: 14px 14px 18px 18px;
    padding: 30px 10px 16px; box-shadow: 5px 5px 0 #000;
    clip-path: polygon(22% 0, 78% 0, 100% 16%, 100% 100%, 0 100%, 0 16%);
}
.fp-agujero { position: absolute; top: 9px; left: 50%; width: 13px; height: 13px; margin-left: -6.5px; border-radius: 50%; background: #17171a; }
.fp-tienda { font-size: clamp(.8rem, 2vw, 1rem); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: #55565e; }
.fp-precio { font-size: clamp(1.35rem, 4.2vw, 2.2rem); font-weight: 900; letter-spacing: -.02em; line-height: 1; }

/* la más barata: se pone amarilla, salta y le estampan el timbre */
.fp-mejor .fp-carton { animation: fp-ganadora .4s cubic-bezier(.3, 1.6, .5, 1) 1.2s both; }
@keyframes fp-ganadora {
    from { background: #fff; transform: none; }
    50% { transform: scale(1.12) rotate(-3deg); }
    to { background: #ffc21a; transform: scale(1.06) rotate(-2deg); }
}
.fp-timbre {
    position: absolute; left: 50%; top: 100%; margin-top: -10px; z-index: 1; white-space: nowrap;
    background: #1f9d55; color: #fff; font-size: clamp(.72rem, 1.8vw, .9rem); font-weight: 900; text-transform: uppercase;
    border: 3px solid #17171a; border-radius: 999px; padding: 4px 12px;
    transform: translateX(-50%) rotate(-6deg) scale(0); animation: fp-timbre .3s cubic-bezier(.3, 1.8, .5, 1) 1.3s forwards;
}
@keyframes fp-timbre { to { transform: translateX(-50%) rotate(-6deg) scale(1); } }

/* Manitas y el logo, con rebote */
.fp-marca { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; pointer-events: none; }
.fp-marca img { width: min(560px, 82vw); height: auto; filter: drop-shadow(8px 8px 0 rgba(0, 0, 0, .45)); transform: scale(0) rotate(-12deg); animation: fp-pop .6s cubic-bezier(.3, 1.6, .5, 1) 1.7s forwards; }
@keyframes fp-pop {
    0% { transform: scale(0) rotate(-12deg); }
    60% { transform: scale(1.1) rotate(3deg); }
    100% { transform: scale(1) rotate(0); }
}
.fp-lema { display: flex; gap: clamp(10px, 3vw, 26px); margin: 18px 0 0; }
.fp-lema span {
    color: #17171a; background: #ffc21a; font-weight: 900; font-style: italic; font-size: clamp(1rem, 3vw, 1.5rem);
    border: 3px solid #17171a; border-radius: 10px; padding: 4px 14px; box-shadow: 4px 4px 0 #000;
    opacity: 0; transform: translateY(18px) rotate(-3deg); animation: fp-lema .45s cubic-bezier(.3, 1.6, .5, 1) forwards;
}
.fp-lema span:nth-child(1) { animation-delay: 2s; }
.fp-lema span:nth-child(2) { animation-delay: 2.06s; background: #f7931e; }
.fp-lema span:nth-child(3) { animation-delay: 2.12s; background: #fff; }
@keyframes fp-lema { to { opacity: 1; transform: rotate(-3deg); } }

.fp-saltar {
    position: absolute; right: 18px; bottom: 44px; z-index: 2; cursor: pointer;
    font: 800 .95rem "Rubik", sans-serif; color: #17171a; background: #fff; border: 3px solid #17171a;
    border-radius: 999px; padding: 7px 16px; box-shadow: 3px 3px 0 #000;
}
.fp-saltar:hover { background: #ffc21a; }