:root {
    --bg-color: #050510;
    /* Deep Space Black */
    --text-color: #e0e0ff;
    --primary-color: #00d2ff;
    /* Star Blue */
    --secondary-color: #ffd700;
    /* Star Gold */
    --accent-color: #ff0055;
    /* Nebula Pink */
    --font-main: 'Exo 2', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

.presentation-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Space Background Animation */
.stars,
.twinkling {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.stars {
    background: #000 url('http://www.script-tutorials.com/demos/360/images/stars.png') repeat top center;
    z-index: 0;
}

.twinkling {
    background: transparent url('http://www.script-tutorials.com/demos/360/images/twinkling.png') repeat top center;
    z-index: 1;
    animation: move-twink-back 200s linear infinite;
    opacity: 0.5;
}

@keyframes move-twink-back {
    from {
        background-position: 0 0;
    }

    to {
        background-position: -10000px 5000px;
    }
}

/* Slide Styles */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    z-index: 2;
    transform: scale(1.1);
    filter: blur(10px);
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 3;
    transform: scale(1);
    filter: blur(0);
}

/* Genesis Core Styling */
.genesis-core {
    background: rgba(5, 5, 16, 0.7);
    border: 1px solid rgba(0, 210, 255, 0.3);
    padding: 4rem;
    border-radius: 50%;
    text-align: center;
    backdrop-filter: blur(5px);
    box-shadow: 0 0 50px rgba(0, 210, 255, 0.2);
    width: 600px;
    height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

.genesis-core::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 2px dashed var(--primary-color);
    animation: spin 20s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

.planet-icon {
    margin-bottom: 1rem;
    color: var(--secondary-color);
    filter: drop-shadow(0 0 20px var(--secondary-color));
}

/* Typography */
h1 {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-align: center;
    text-transform: uppercase;
    background: linear-gradient(to bottom, #fff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(0, 210, 255, 0.5);
}

.section-header h1 {
    font-size: 7rem;
}

h2 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

p {
    font-family: var(--font-main);
    font-size: 1.6rem;
    line-height: 1.6;
    max-width: 900px;
    margin-bottom: 1.5rem;
    color: #c0c0e0;
    text-align: center;
    font-weight: 300;
}

.subtitle {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-family: var(--font-mono);
}

/* Code Blocks */
pre {
    background-color: rgba(10, 10, 20, 0.9);
    padding: 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: 10px;
    max-width: 1000px;
    width: 100%;
    overflow-x: auto;
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.1);
}

code {
    font-family: var(--font-mono);
    font-size: 1.3rem;
}

/* Lists */
ul,
ol {
    font-family: var(--font-main);
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-color);
    max-width: 900px;
    list-style: none;
    text-align: center;
}

li {
    margin-bottom: 1rem;
}

/* Comparison Box */
.comparison-box {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-top: 2rem;
}

.box-left,
.box-right {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 300px;
    text-align: center;
}

.box-left h3,
.box-right h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.vs-divider {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-color);
    font-family: var(--font-mono);
}

/* Mission List */
.mission-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mission-item {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    padding: 1rem 2rem;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: rgba(0, 210, 255, 0.05);
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    transition: all 0.3s;
}

.mission-item:hover {
    background: var(--primary-color);
    color: #000;
    transform: translateX(20px);
}

/* Components */
.highlight-text {
    color: var(--secondary-color);
    font-family: var(--font-mono);
    background: rgba(255, 215, 0, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.section-number {
    font-size: 15rem;
    font-weight: 800;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.05;
    color: white;
    z-index: -1;
}

/* Controls */
.controls {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 10;
    background: rgba(5, 5, 16, 0.8);
    padding: 0.8rem 2rem;
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    backdrop-filter: blur(5px);
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--primary-color);
}

.progress-container {
    width: 300px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary-color);
}

.slide-number {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    font-family: var(--font-mono);
    color: var(--primary-color);
    font-size: 1.2rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2rem;
    }

    p,
    ul {
        font-size: 1.1rem;
    }

    .genesis-core {
        width: 90%;
        height: auto;
        padding: 2rem;
        border-radius: 20px;
    }

    .progress-container {
        width: 100px;
    }

    .comparison-box {
        flex-direction: column;
    }
}