/* Global Fixes */
* {
    box-sizing: border-box;
}

.presentation-container {
    background-color: #050505;
    color: #fff;
    font-family: 'Outfit', sans-serif;
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(20px);
    z-index: 1;
    overflow: hidden;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    z-index: 2;
}

/* Navigation Controls */
.nav-controls {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 100;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-btn {
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover:not(:disabled) {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.slide-indicator {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    min-width: 60px;
    text-align: center;
}

.slide--overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.95) 100%);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 90%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8), 0 2px 5px rgba(0, 0, 0, 0.5);
}

.slide-title {
    font-size: min(4.5rem, 10vw);
    /* Increased */
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #ffffff;
    /* Solid White */
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.slide-subtitle {
    font-size: min(2.5rem, 7vw);
    /* Significantly Increased */
    font-weight: 700;
    color: #ffffff;
    /* High-contrast white */
    margin-bottom: 3.5rem;
    letter-spacing: 0.01em;
    opacity: 1;
    line-height: 1.3;
}

/* Nudge intro title higher */
.slide--intro .slide-title {
    margin-top: -10vh;
}

.slide-points {
    text-align: left;
    display: inline-block;
    font-size: min(1.8rem, 5.5vw);
    /* Increased */
    margin-bottom: 2.5rem;
    background: rgba(0, 0, 0, 0.4);
    /* Darker buffer */
    padding: 2rem 3rem;
    /* More padding */
    border-radius: 20px;
    backdrop-filter: blur(12px);
    /* Higher blur */
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.slide-points li {
    margin-bottom: 0.5rem;
    list-style-type: none;
    padding-left: 2rem;
    position: relative;
}

.slide-points li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #ffffff;
    /* Solid White Arrow */
    font-weight: bold;
}

.slide-image-container {
    margin-top: 1rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    max-width: 600px;
    max-height: 40vh;
}

.slide-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

@media (max-width: 768px) {
    .slide-title {
        font-size: 2.5rem;
    }

    .slide {
        padding: 2rem;
    }
}

/* Enhanced Slide Elements */
.slide-quote {
    font-size: 2.22rem;
    font-weight: 700;
    font-style: italic;
    color: #ffffff;
    /* Solid White */
    margin-top: 2rem;
    padding: 1.5rem 2.5rem;
    border-left: 6px solid #ffffff;
    /* White Border */
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0 12px 12px 0;
    backdrop-filter: blur(4px);
}

.slide-impact,
.slide-expectation,
.slide-outcome {
    margin-top: 2rem;
    padding: 1.25rem 2rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.5rem;
}

.slide-impact {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.slide-expectation {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.slide-key-idea {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-top: 2rem;
    text-align: center;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.2), transparent);
    padding: 1rem;
}

.slide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    width: 100%;
    margin-top: 4rem;
    text-align: left;
}

.grid-item h3 {
    color: #ffffff;
    /* White Grid Titles */
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.4);
    font-weight: 800;
}

.grid-item p,
.grid-item li {
    font-size: 1.6rem;
    line-height: 1.5;
    color: #ffffff;
}

.scenario {
    font-size: 1.8rem;
    /* Increased from 1.4rem */
    font-weight: 800;
    color: #eab308;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.process-flow {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    /* Solid White */
    margin-bottom: 2rem;
}

.slide-outcome {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.conclusion-points {
    font-size: 2.22rem;
    color: #fff;
    margin-top: 2rem;
    max-width: 800px;
}