/* ============================================
   Netflix-Style Intro Animation for CloudDani
   ============================================ */

.intro-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.intro-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.intro-screen.hidden {
    display: none;
}

/* Main intro logo container */
.intro-logo {
    position: relative;
    font-family: 'Bebas Neue', Impact, sans-serif;
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    color: #E50914;
    text-shadow: 
        0 0 20px rgba(229, 9, 20, 0.8),
        0 0 40px rgba(229, 9, 20, 0.6),
        0 0 60px rgba(229, 9, 20, 0.4);
    animation: introReveal 3s cubic-bezier(0.645, 0.045, 0.355, 1.000);
    transform-origin: center;
}

/* Main reveal animation */
@keyframes introReveal {
    0% {
        opacity: 0;
        transform: scale(0.3);
        letter-spacing: -0.2em;
    }
    15% {
        opacity: 1;
        transform: scale(1.1);
        letter-spacing: 0.15em;
    }
    30% {
        transform: scale(1);
        letter-spacing: 0.1em;
    }
    70% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animated glow pulse */
.intro-logo::before {
    content: 'CLOUDDANI';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: transparent;
    text-shadow: 
        0 0 30px rgba(229, 9, 20, 0.6),
        0 0 60px rgba(229, 9, 20, 0.4),
        0 0 90px rgba(229, 9, 20, 0.2);
    animation: glowPulse 2s ease-in-out infinite;
    z-index: -1;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        text-shadow: 
            0 0 20px rgba(229, 9, 20, 0.6),
            0 0 40px rgba(229, 9, 20, 0.4),
            0 0 60px rgba(229, 9, 20, 0.2);
    }
    50% {
        opacity: 1;
        text-shadow: 
            0 0 40px rgba(229, 9, 20, 0.8),
            0 0 80px rgba(229, 9, 20, 0.6),
            0 0 120px rgba(229, 9, 20, 0.4);
    }
}

/* Animated background gradient */
.intro-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at center,
        rgba(229, 9, 20, 0.15) 0%,
        rgba(0, 0, 0, 1) 70%
    );
    animation: backgroundPulse 3s ease-out;
    z-index: -1;
}

@keyframes backgroundPulse {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Sound wave effect */
.sound-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    pointer-events: none;
}

.sound-wave {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(229, 9, 20, 0.3);
    border-radius: 50%;
    animation: soundWaveExpand 2s ease-out forwards;
}

.sound-wave:nth-child(1) {
    animation-delay: 0.2s;
}

.sound-wave:nth-child(2) {
    animation-delay: 0.4s;
}

.sound-wave:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes soundWaveExpand {
    0% {
        width: 0;
        height: 0;
        opacity: 1;
        border-width: 3px;
    }
    100% {
        width: 100%;
        height: 100%;
        opacity: 0;
        border-width: 1px;
    }
}

/* Skip intro button */
.skip-intro {
    position: absolute;
    bottom: 5rem;
    right: 5rem;
    padding: 0.8rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    animation: skipButtonFade 0.5s ease-out 1.5s forwards;
}

@keyframes skipButtonFade {
    to {
        opacity: 1;
    }
}

.skip-intro:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}

.skip-intro:active {
    transform: scale(0.95);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .intro-logo {
        font-size: clamp(3rem, 12vw, 6rem);
    }
    
    .skip-intro {
        bottom: 3rem;
        right: 3rem;
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .intro-logo {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .skip-intro {
        bottom: 2rem;
        right: 50%;
        transform: translateX(50%);
    }
    
    .skip-intro:hover {
        transform: translateX(50%) scale(1.05);
    }
}

/* Particle effects (optional enhancement) */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background-color: rgba(229, 9, 20, 0.5);
    border-radius: 50%;
    animation: particleFloat 3s ease-out forwards;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-200px) scale(1);
    }
}