body {
    font-family: 'Inter', sans-serif;
    overflow: hidden;
    background-color: #111827;
    color: #f9fafb;
}

#presentation-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

.presentation-slide {
    position: absolute !important;
    inset: 0 !important;
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.8s !important;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 5vw;
    overflow: hidden;
    box-sizing: border-box;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1;
}

.presentation-slide:first-child {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 2;
}

.presentation-slide.layout-fullscreen {
    padding: 0;
}

.presentation-slide.layout-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.presentation-slide.layout-thirds {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .presentation-slide {
        padding: 8vw 5vw;
    }
    .presentation-slide.layout-split {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .presentation-slide.layout-thirds {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Adjust text sizes for smaller screens */
    h1 {
        font-size: 2.25rem; /* ~36px */
    }
    h2 {
        font-size: 1.875rem; /* ~30px */
    }
}

/* Custom slide-specific styling */

/* Slide 1 custom gradient */
#slide-1-gradient {
    background: radial-gradient(circle at top left, rgba(29, 78, 216, 0.3), transparent 40%),
                radial-gradient(circle at bottom right, rgba(37, 99, 235, 0.2), transparent 50%);
}

/* Slide 2 soft background pattern */
.bg-grid-pattern {
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}