/* Vintage Sci-Fi Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #2ECC71;
    --secondary-green: #27AE60;
    --dark-gray: #34495E;
    --medium-gray: #7F8C8D;
    --light-gray: #BDC3C7;
    --chrome: #C0C0C0;
    --black: #2C3E50;
    --white: #ECF0F1;
    --accent-blue: #3498DB;
}

body {
    font-family: 'Courier Prime', monospace;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--dark-gray), var(--black));
    border-bottom: 3px solid var(--primary-green);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.3);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-green);
    text-shadow: 0 0 10px var(--primary-green);
    margin-bottom: 0.2rem;
}

.logo p {
    font-size: 0.8rem;
    color: var(--chrome);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--chrome);
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--primary-green);
    border-color: var(--primary-green);
    box-shadow: 0 0 15px rgba(46, 204, 113, 0.5);
    text-shadow: 0 0 5px var(--primary-green);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: relative;
    z-index: 1;
    background: rgba(44, 62, 80, 0.8);
    padding: 4rem;
    border: 3px solid var(--primary-green);
    box-shadow: 0 0 30px rgba(46, 204, 113, 0.6);
    backdrop-filter: blur(5px);
    max-width: 800px;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary-green);
    text-shadow: 0 0 20px var(--primary-green);
    margin-bottom: 1rem;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    color: var(--chrome);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--light-gray);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: var(--black);
    padding: 1rem 2rem;
    text-decoration: none;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 2px solid var(--primary-green);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
}

.cta-button:hover {
    background: transparent;
    color: var(--primary-green);
    box-shadow: 0 0 25px rgba(46, 204, 113, 0.8);
    text-shadow: 0 0 10px var(--primary-green);
}

/* Section Styles */
.section {
    padding: 6rem 0;
    background: var(--black);
}

.alt-section {
    background: linear-gradient(135deg, var(--dark-gray), var(--black));
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-green);
    text-shadow: 0 0 15px var(--primary-green);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.section-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-green), var(--secondary-green));
    margin: 0 auto;
    box-shadow: 0 0 10px var(--primary-green);
}

/* Content Styles */
.content-grid {
    display: grid;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.content-card {
    background: rgba(52, 73, 94, 0.3);
    padding: 3rem;
    border: 2px solid var(--medium-gray);
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.content-card:hover {
    border-color: var(--primary-green);
    box-shadow: 0 8px 30px rgba(46, 204, 113, 0.2);
}

.content-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    color: var(--primary-green);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 8px var(--primary-green);
}

.content-card p, .content-card li {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--light-gray);
    margin-bottom: 1rem;
}

.content-card ul, .content-card ol {
    text-align: left;
    max-width: 700px;
    margin: 1.5rem auto;
}

.content-card li {
    margin-bottom: 0.8rem;
}

.step-image {
    width: 100%;
    max-width: 400px;
    height: 250px;
    object-fit: cover;
    border: 2px solid var(--medium-gray);
    border-radius: 8px;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.step-image:hover {
    border-color: var(--primary-green);
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.4);
}

/* Tutorial Styles */
.tutorial-intro {
    background: rgba(52, 73, 94, 0.4);
    padding: 2.5rem;
    margin-bottom: 4rem;
    border: 2px solid var(--primary-green);
    border-radius: 10px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 4rem;
}

.tutorial-intro h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
    text-shadow: 0 0 8px var(--primary-green);
}

.steps-container {
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    padding: 3rem;
    background: rgba(52, 73, 94, 0.2);
    border: 2px solid var(--medium-gray);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.step:hover {
    border-color: var(--primary-green);
    box-shadow: 0 8px 30px rgba(46, 204, 113, 0.2);
}

.step-number {
    font-family: 'Orbitron', monospace;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--primary-green);
    background: rgba(46, 204, 113, 0.1);
    padding: 1rem;
    border: 2px solid var(--primary-green);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: fit-content;
    text-shadow: 0 0 8px var(--primary-green);
    letter-spacing: 1px;
}

.step-content {
    text-align: left;
}

.step-content h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.6rem;
    color: var(--primary-green);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 8px var(--primary-green);
    text-align: center;
}

.step-content ul, .step-content ol {
    margin: 1.5rem 0;
}

.step-content li {
    color: var(--light-gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 0.8rem;
}

.step-content p {
    color: var(--light-gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.step-content .step-image {
    display: block;
    margin: 0 auto 2rem auto;
}

code {
    background: rgba(46, 204, 113, 0.1);
    color: var(--primary-green);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier Prime', monospace;
    font-weight: 700;
    border: 1px solid var(--primary-green);
}

.differences-section, .tips-section {
    background: rgba(52, 73, 94, 0.4);
    padding: 2.5rem;
    margin: 3rem auto;
    border: 2px solid var(--accent-blue);
    border-radius: 10px;
    max-width: 800px;
}

.differences-section h3, .tips-section h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.6rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 8px var(--accent-blue);
}

.tips-section ul {
    text-align: left;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-gray), var(--black));
    border-top: 3px solid var(--primary-green);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.footer-content p {
    font-family: 'Orbitron', monospace;
    color: var(--chrome);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: 2rem;
}

.social-links a {
    color: var(--chrome);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border: 2px solid transparent;
    border-radius: 50%;
}

.social-links a:hover {
    color: var(--primary-green);
    border-color: var(--primary-green);
    box-shadow: 0 0 15px rgba(46, 204, 113, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav ul {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-overlay {
        padding: 2rem;
        margin: 1rem;
    }
    
    .step {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .step-content {
        text-align: center;
    }
    
    .step-content ul, .step-content ol {
        text-align: left;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .content-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .nav ul {
        gap: 0.5rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .social-links {
        gap: 1rem;
    }
    
    .social-links a {
        font-size: 1.2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation for images */
.step-image {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glowing text effect */
.hero-title, .section-header h2 {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { text-shadow: 0 0 10px var(--primary-green); }
    to { text-shadow: 0 0 20px var(--primary-green), 0 0 30px var(--primary-green); }
}