/* Zipper Reveal Styles */
#zipper-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    display: flex;
    overflow: hidden;
    pointer-events: none; /* Let clicks pass through when finished */
}

.zipper-panel {
    position: absolute;
    top: 0;
    width: 50vw;
    height: 100%;
    background: var(--midnight-black);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

.zipper-panel.left {
    left: 0;
    border-right: 2px solid var(--accent-gold);
}

.zipper-panel.right {
    right: 0;
    border-left: 2px solid var(--accent-gold);
}

/* Zipper Teeth Styles */
.zipper-teeth-container {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    z-index: 10002;
}

.zipper-panel.left .zipper-teeth-container {
    right: -15px;
}

.zipper-panel.right .zipper-teeth-container {
    left: -15px;
}

/* Individual Teeth */
.tooth {
    width: 24px;
    height: 10px;
    background: linear-gradient(90deg, var(--accent-gold), var(--deep-madder));
    border-radius: 2px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.4);
    position: relative;
}

/* Add a metallic "stud" look to teeth */
.tooth::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
}

.zipper-panel.left .tooth {
    margin-right: -12px;
    align-self: flex-end;
}

.zipper-panel.right .tooth {
    margin-left: -12px;
    align-self: flex-start;
}

/* Hide hero initially for reveal */
.hero-reveal {
    opacity: 0;
    transform: scale(0.9);
}

/* Logo and Text inside Panels (Optional) */
.zipper-logo {
    width: 150px;
    height: auto;
    opacity: 0.8;
}

/* Accessibility: Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
    #zipper-overlay {
        display: none !important;
    }
    .hero-reveal {
        opacity: 1 !important;
        transform: scale(1) !important;
    }
}