/* ═══════════════════════════════════════════
   INTRO SCREEN STYLES
   ═══════════════════════════════════════════ */

#intro-screen {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: opacity .8s ease;
}

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

#intro-logo {
    font-family: var(--font-title);
    font-size: 18rem;
    color: var(--red);
    position: relative;
    animation: introZoom 1.6s cubic-bezier(.23, 1, .32, 1) forwards;
    filter: blur(20px);
    opacity: 0;
    transform: scale(4) rotate(-15deg);
    text-shadow: 0 0 60px rgba(229, 9, 20, .6);
}

@keyframes introZoom {
    to {
        filter: blur(0);
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

#intro-logo::after {
    content: '';
    position: absolute;
    top: 0;
    left: -60%;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent);
    transform: skewX(-25deg);
    animation: lightSweep 1.2s .8s ease forwards;
    opacity: 0;
}

@keyframes lightSweep {
    0% {
        left: -60%;
        opacity: 1;
    }

    100% {
        left: 140%;
        opacity: 0;
    }
}

/* Particles */
.intro-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red);
    opacity: 0;
}

@keyframes particleBurst {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

/* Rings */
.intro-ring {
    position: absolute;
    border: 2px solid var(--red);
    border-radius: 50%;
    opacity: 0;
    animation: ringExpand 1.2s ease-out forwards;
}

@keyframes ringExpand {
    0% {
        width: 10px;
        height: 10px;
        opacity: .8;
    }

    100% {
        width: 300px;
        height: 300px;
        opacity: 0;
    }
}

/* Glow Pulse */
@keyframes glowPulse {

    0%,
    100% {
        text-shadow: 0 0 30px rgba(229, 9, 20, .4);
    }

    50% {
        text-shadow: 0 0 80px rgba(229, 9, 20, .9), 0 0 120px rgba(229, 9, 20, .5);
    }
}

/* Tagline */
#intro-tagline {
    font-family: var(--font-body);
    color: #ccc;
    font-size: 1.1rem;
    letter-spacing: 12px;
    text-transform: uppercase;
    opacity: 0;
    margin-top: 10px;
    animation: tagFade .8s 1.8s ease forwards;
}

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