/* ===============================================
   Écran de chargement avec vidéo intro
   =============================================== */

#intro-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #0a0015 0%, #1a0033 50%, #2d0052 100%);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 1s ease, transform 1s ease;
}

/* Canvas Three.js pour la timeline */
#timeline-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Container de la vidéo intro */
.intro-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

#intro-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
    mix-blend-mode: screen;
}

.timeline-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        rgba(10, 0, 21, 0.3) 50%,
        rgba(10, 0, 21, 0.7) 100%
    );
    pointer-events: none;
}

/* Contenu du loader (texte et symbole) */
.loader-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    animation: fadeInScale 1.5s ease-in-out;
}

.loading-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: #e0c3fc;
    opacity: 0.9;
    animation: pulse 2s ease-in-out infinite;
    letter-spacing: 2px;
}

/* ===== Animations ===== */

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
    .loading-text {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .loading-text {
        font-size: 1rem;
        letter-spacing: 1px;
    }
}