/* RESET BÁSICO */
*, *::after, *::before { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}

body {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background: #000;
    font-family: 'Inter', sans-serif;
    overflow: hidden;
    perspective: 1200px;
}

/* Botón Sensor */
.btn-sensor {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    padding: 12px 24px;
    background: #ff8800;
    color: white;
    border: none;
    border-radius: 30px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(255, 136, 0, 0.4);
    display: none; 
    cursor: pointer;
}

/* --- TARJETA --- */
.card {
    --card-width: 320px;
    --card-ratio: 5 / 7;
    --border-radius: 24px;
    --border-width: 14px; 
    --border-color: #2a2a2a;
    
    /* Variables dinámicas */
    --pointer-x: 0;
    --pointer-y: 0;
    
    width: var(--card-width);
    aspect-ratio: var(--card-ratio);
    position: relative;
    border-radius: var(--border-radius);
    touch-action: none;
    
    /* Rotación 3D */
    transform: 
        rotateX(calc(var(--pointer-y) * 15deg)) 
        rotateY(calc(var(--pointer-x) * -15deg));
    
    transition: transform 0.1s;
    will-change: transform;
    transform-style: preserve-3d;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.card__content {
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius);
    transform-style: preserve-3d;
    background: #080808; /* Negro casi puro */
    overflow: hidden;
    border: var(--border-width) solid var(--border-color);
}

.card__front {
    position: absolute;
    inset: 0;
    overflow: hidden;
    clip-path: inset(0 0 0 0 round calc(var(--border-radius) - var(--border-width)));
}

/* --- CAPAS DE FONDO --- */

/* 1. REJILLA DE LOGOS GRISES (Base estática) */
.pattern-grid {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    z-index: 0;
    
    background-image: url('https://croquetadigital.es/wp-content/uploads/2025/10/logo_.webp');
    background-size: 45px;
    background-repeat: repeat;
    
    filter: grayscale(100%) brightness(0.25);
    opacity: 0.6;
    
    transform: 
        rotate(15deg)
        translateX(calc(var(--pointer-x) * -10px)) 
        translateY(calc(var(--pointer-y) * -10px));
    pointer-events: none;
}

/* 2. HOLOGRAMA IRIDISCENTE (Logos que cambian de color) */
.hologram-layer {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    z-index: 1;
    pointer-events: none;
    
    -webkit-mask-image: url('https://croquetadigital.es/wp-content/uploads/2025/10/logo_.webp');
    mask-image: url('https://croquetadigital.es/wp-content/uploads/2025/10/logo_.webp');
    -webkit-mask-size: 45px;
    mask-size: 45px;
    -webkit-mask-repeat: repeat;
    mask-repeat: repeat;
    
    transform: 
        rotate(15deg)
        translateX(calc(var(--pointer-x) * -10px)) 
        translateY(calc(var(--pointer-y) * -10px));
        
    mix-blend-mode: screen; 
}

.hologram-gradient {
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    
    /* Gradiente cónico: todos los colores en círculo */
    background: conic-gradient(
        from 0deg,
        #ff0000, #ff8800, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff, #ff0000
    );
    
    filter: blur(10px) brightness(1.5);
    opacity: 0.7;
    
    /* El gradiente rota y se mueve al pasar el ratón */
    transform: 
        translate(calc(var(--pointer-x) * 50px), calc(var(--pointer-y) * 50px))
        rotate(calc(var(--pointer-x) * 45deg + var(--pointer-y) * 45deg));
}

/* 3. SPOTLIGHT (Luz blanca al pasar el ratón) */
.spotlight-layer {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    z-index: 2;
    pointer-events: none;
    
    -webkit-mask-image: url('https://croquetadigital.es/wp-content/uploads/2025/10/logo_.webp');
    mask-image: url('https://croquetadigital.es/wp-content/uploads/2025/10/logo_.webp');
    -webkit-mask-size: 45px;
    mask-size: 45px;
    -webkit-mask-repeat: repeat;
    mask-repeat: repeat;
    
    transform: 
        rotate(15deg)
        translateX(calc(var(--pointer-x) * -10px)) 
        translateY(calc(var(--pointer-y) * -10px));
    
    mix-blend-mode: screen; 
    opacity: 0; /* Invisible por defecto */
    transition: opacity 0.3s;
}

.spotlight-beam {
    position: absolute;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(255,255,255,1) 0%, transparent 70%);
    
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) translate(calc(var(--pointer-x) * 150px), calc(var(--pointer-y) * 150px));
}

/* Activa la capa spotlight al interactuar */
.card:hover .spotlight-layer,
.card.active .spotlight-layer {
    opacity: 1;
}

/* 4. IMAGEN CENTRAL */
.img {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.img-bg {
    width: 90%;
    display: flex;
    justify-content: center;
    transform: 
        translateX(calc(var(--pointer-x) * 20px)) 
        translateY(calc(var(--pointer-y) * 20px))
        scale(1.15);
}

.img img {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.9)); 
}

/* 5. MARCO Y TEXTOS */
.card__frame {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card__title {
    width: 100%;
    text-align: center;
    margin-top: 15px;
    font-size: 1.5rem; 
    line-height: 1;
    font-weight: 900;
    text-transform: uppercase;
    color: #fff;
    text-shadow: 
        2px 2px 0 #000, -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000,
        0 5px 10px rgba(0,0,0,0.5);
    white-space: nowrap;
}
.card__title .gold { color: #ffaa00; }

.sticker {
    width: 60px;
    height: auto;
    transform: rotate(5deg);
    filter: drop-shadow(0 0 0 2px white) drop-shadow(0 4px 6px rgba(0,0,0,0.5));
    align-self: flex-start;
    margin-bottom: 5px;
}

/* 6. Brillo superficial (GLARE) */
.glare {
    position: absolute;
    inset: 0;
    z-index: 20;
    border-radius: var(--border-radius);
    background: linear-gradient(125deg, transparent 30%, rgba(255,255,255,0.15) 45%, transparent 50%);
    pointer-events: none;
    mix-blend-mode: soft-light;
}