/* ===== NIKAN - Animaciones globales ===== */

html { scroll-behavior: smooth; }
section[id^="seccion-"],
section[id^="det"] { scroll-margin-top: 130px; }

/* ---------- Preloader ---------- */
#nikan-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgb(var(--nikan-bg-rgb));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 18px;
    transition: opacity 0.7s ease, visibility 0.7s;
}
#nikan-loader.done { opacity: 0; visibility: hidden; }
#nikan-loader .nikan-loader-video {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    display: block;
}
@keyframes nikanLoaderWord {
    0%   { opacity: 0; transform: scale(0.7); letter-spacing: 20px; filter: blur(6px); }
    60%  { opacity: 1; transform: scale(1.05); letter-spacing: 8px; filter: blur(0); }
    100% { opacity: 1; transform: scale(1); letter-spacing: 8px; filter: blur(0); }
}
@keyframes nikanLoaderBar {
    0%   { transform: translateX(-110%); }
    100% { transform: translateX(320%); }
}

/* ---------- Partículas doradas (canvas) ---------- */
#nikan-velo {
    position: fixed;
    inset: 0;
    z-index: 60;
    pointer-events: none;
}

/* ---------- Brillo del cursor ---------- */
#nikan-cursor {
    position: fixed;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    left: 0;
    top: 0;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(255, 224, 138, 0.22), rgba(255, 224, 138, 0.05) 45%, transparent 70%);
    filter: blur(24px);
    mix-blend-mode: screen;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 4;
}
#nikan-cursor.on { opacity: 1; }

/* ---------- Auroras de fondo ---------- */
.nikan-aurora {
    position: fixed;
    z-index: 2;
    pointer-events: none;
    border-radius: 50%;
    filter: blur(70px);
    mix-blend-mode: screen;
    opacity: 0.5;
}
.nikan-aurora--1 {
    width: 48vw;
    height: 48vw;
    left: -12vw;
    top: 6vh;
    background: radial-gradient(circle, rgba(201, 169, 79, 0.55), transparent 70%);
    animation: nikanFloat 22s ease-in-out infinite alternate;
}
.nikan-aurora--2 {
    width: 42vw;
    height: 42vw;
    right: -14vw;
    bottom: 0vh;
    background: radial-gradient(circle, rgba(198, 55, 46, 0.4), transparent 70%);
    animation: nikanFloat 28s ease-in-out infinite alternate-reverse;
}
.nikan-aurora--3 {
    width: 26vw;
    height: 26vw;
    left: 40vw;
    bottom: -8vh;
    background: radial-gradient(circle, rgba(120, 150, 90, 0.3), transparent 70%);
    animation: nikanFloat 34s ease-in-out infinite alternate;
}
@keyframes nikanFloat {
    0%   { transform: translate3d(0, 0, 0) scale(1); }
    50%  { transform: translate3d(4vw, -4vh, 0) scale(1.12); }
    100% { transform: translate3d(-3vw, 3vh, 0) scale(0.95); }
}

/* ---------- Header compacto al hacer scroll ---------- */
.header { transition: padding 0.35s ease, box-shadow 0.35s ease, background 0.35s; }
.header--scrolled {
    padding-top: 14px !important;
    padding-bottom: 14px !important;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
    background: rgba(198, 55, 46, 0.95);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}
.header--scrolled .header__logo { font-size: 36px; }
.header--scrolled .header__leon { height: 44px; }
.header__logo, .header__leon { transition: font-size 0.35s ease, height 0.35s ease; }

/* ---------- Reveal al hacer scroll ---------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(42px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}
[data-reveal][data-reveal="left"]  { transform: translateX(-48px); }
[data-reveal][data-reveal="right"] { transform: translateX(48px); }
[data-reveal][data-reveal="zoom"]  { transform: scale(0.85); }
[data-reveal].in-view { opacity: 1; transform: none; }

/* ---------- Títulos con letras en cascada ---------- */
.nikan-cascade h1,
.cascade-title {
    display: block;
}
.nikan-cascade .nikan-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.6em) rotate(4deg);
    animation: nikanCharIn 0.7s cubic-bezier(0.2, 0.9, 0.25, 1) forwards;
    animation-delay: var(--d, 0s);
    will-change: transform, opacity;
}
.nikan-cascade.ran .nikan-char { animation-name: nikanCharIn; }
@keyframes nikanCharIn {
    0%   { opacity: 0; transform: translateY(0.6em) rotate(6deg); filter: blur(4px); }
    100% { opacity: 1; transform: translateY(0) rotate(0); filter: blur(0); }
}

/* ---------- Enlaces/pseudos magnéticos ---------- */
.magnetic { transition: transform 0.25s cubic-bezier(0.2, 0.9, 0.3, 1); }

/* ---------- Spotlight en tarjetas ---------- */
.artec-card, .lite-card, .poe-card, .aut-card, .det-mini, .detl-mini, .detp-mini {
    position: relative;
}
.spot-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(
        340px circle at var(--mx, 50%) var(--my, 50%),
        rgba(255, 255, 255, 0.22),
        transparent 65%
    );
    mix-blend-mode: overlay;
    opacity: 0;
    transition: opacity 0.35s;
}
.spot-card:hover::before { opacity: 1; }
.spot-card > * { position: relative; z-index: 1; }

/* ---------- Flotación de emblemas ---------- */
.arte-imagen img, .lite-emblema, .poe-emblema, .aut-emblema {
    animation: nikanHover 5s ease-in-out infinite;
}
.arte-imagen img { animation-delay: 0s; }
.lite-emblema, .poe-emblema { animation-delay: 0.6s; }
.aut-emblema { animation-delay: 1.2s; }
@keyframes nikanHover {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-10px) rotate(-1.2deg); }
}
.arte-imagen img:hover { animation-play-state: paused; }

/* ---------- Brillo en botones ---------- */
.btn, .login__btn, .header__link {
    position: relative;
    overflow: hidden;
}
.btn::after, .login__btn::after {
    content: "";
    position: absolute;
    top: 0;
    left: -80%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.45), transparent);
    transform: skewX(-22deg);
    transition: left 0.55s ease;
}
.btn:hover::after, .login__btn:hover::after { left: 130%; }

/* ---------- Puntitos brillantes sobre imágenes ---------- */
.artec-img img, .lite-img img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}
.artec-card:hover .artec-img img,
.lite-card:hover img, .poe-card:hover .poe-img img { transform: scale(1.08); }

/* ---------- Preferencia de movimiento reducida ---------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    #nikan-loader, #nikan-cursor, #nikan-velo, .nikan-aurora { display: none; }
    [data-reveal], .nikan-cascade .nikan-char { opacity: 1 !important; transform: none !important; animation: none !important; }
    .arte-imagen img, .lite-emblema, .poe-emblema, .aut-emblema { animation: none !important; }
}

@media (max-width: 760px) {
    .det-section,
    .detl-section,
    .detp-section {
        padding: 112px 16px 48px !important;
        overflow-x: hidden;
    }
    .det-container,
    .detl-container,
    .detp-container {
        width: 100%;
        max-width: 100%;
    }
    .det-hero,
    .detl-hero,
    .detp-hero {
        grid-template-columns: 1fr !important;
        gap: 24px;
    }
    .det-marco,
    .detl-marco,
    .detp-marco {
        min-height: 0;
        padding: 10px;
        box-shadow: 0 0 0 3px rgba(201,169,79,.15), 0 10px 24px rgba(60,35,10,.18);
    }
    .det-marco img,
    .detl-marco img,
    .detp-marco img {
        max-height: 58vh;
    }
    .det-info h1,
    .detl-info h1,
    .detp-info h1 {
        font-size: clamp(32px, 10vw, 46px);
        overflow-wrap: anywhere;
    }
    .det-afil,
    .detl-afil,
    .detp-afil {
        align-items: flex-start;
        flex-wrap: wrap;
        font-size: 14px;
    }
    .det-afil dt,
    .detl-afil dt,
    .detp-afil dt {
        min-width: 76px;
    }
    .det-desc,
    .detl-sinopsis,
    .detp-cuerpo,
    .det-cuerpo,
    .detl-cuerpo {
        font-size: 15px;
        line-height: 1.65;
        overflow-wrap: anywhere;
    }
    .det-bloque,
    .detl-bloque,
    .detp-bloque {
        margin-top: 32px;
        padding-top: 24px;
    }
    .det-bloque h2,
    .detl-bloque h2,
    .detp-bloque h2 {
        font-size: 25px;
    }
    .det-autor-box,
    .detl-autor-box,
    .detp-autor-box {
        flex-direction: column;
        padding: 17px;
        gap: 14px;
    }
    .det-autor-retrato,
    .detl-autor-retrato,
    .detp-autor-retrato {
        width: 82px;
        height: 82px;
    }
    .det-otras,
    .detl-otras,
    .detp-otras {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .det-reproducir {
        gap: 12px;
        padding: 15px;
    }
    .det-reproducir-btn {
        width: 52px;
        height: 52px;
        font-size: 18px;
    }
    .det-reproducir-titulo {
        font-size: 18px;
    }
    .det-player {
        border-radius: 8px;
    }
    .detl-portada-txt { min-height: 220px; padding: 12px; }
    .detl-portada-letra { font-size: 68px; }
    .detl-portada-titulo { font-size: 19px; }
    .detp-marco-letra { font-size: 82px; }
    .det-fragmento,
    .detl-fragmento,
    .detp-poema {
        padding: 15px 16px;
        font-size: 17px;
        line-height: 1.7;
        overflow-wrap: anywhere;
    }
}

@media (max-width: 420px) {
    .det-section,
    .detl-section,
    .detp-section {
        padding-right: 12px !important;
        padding-left: 12px !important;
    }
    .det-back,
    .detl-back,
    .detp-back { font-size: 13px; }
    .det-info h1,
    .detl-info h1,
    .detp-info h1 { font-size: 30px; }
    .det-afil,
    .detl-afil,
    .detp-afil { display: block; }
    .det-afil dt,
    .detl-afil dt,
    .detp-afil dt { margin-bottom: 3px; }
    .det-cuerpo,
    .detl-cuerpo,
    .detp-cuerpo { font-size: 14px; }
}