:root {
    --primary-color: #6200ea;
    --secondary-color: #3700b3;
    --background-color: #121212;
    --text-color: #ffffff;
    --accent-color: #03dac6;
    --error-color: #cf6679;
    --surface-color: #1e1e1e;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.8;
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    padding: 0 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    padding: 0 1rem;
}

h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

/* Layout & Sections */
section {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header & Navigation */
header {
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
    padding: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--accent-color);
}

/* Buttons */
.cta-button {
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 30px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 600;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(98, 0, 234, 0.4);
}

/* Hero Section */
.hero {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
                url('hero-bg.jpg') center/cover;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(98, 0, 234, 0.3), rgba(3, 218, 198, 0.3));
    z-index: 1;
}

.hero > * {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.game-container {
    width: 100%;
    max-width: 1200px;
    height: 80vh;
    margin: 2rem auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.game-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--surface-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 15px;
    transition: transform 0.3s ease;
    cursor: pointer;
    margin-bottom: 1rem;
}

.feature-card:hover {
    transform: translateY(-10px);
}

/* FAQ Section */
.faq-container details {
    background: var(--surface-color);
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border-radius: 8px;
    cursor: pointer;
}

.faq-container summary {
    font-weight: 600;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.faq-container details[open] summary {
    margin-bottom: 1.5rem;
}

/* Testimonials */
.testimonials-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 3rem;
    padding: 3rem 0;
}

.testimonial {
    min-width: 300px;
    scroll-snap-align: start;
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 15px;
}

/* Footer */
footer {
    background: var(--surface-color);
    padding: 6rem 2rem 3rem;
    margin-top: 6rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.footer-bottom {
    padding-top: 3rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }

    h2 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    section {
        padding: 5rem 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .step {
        padding: 2rem;
    }

    .hero {
        min-height: 40vh;
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }

    .game-container {
        height: 70vh;
        margin: 1rem auto;
        border-radius: 12px;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span,
.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
    display: block;
    background: var(--text-color);
    height: 2px;
    width: 24px;
    transition: all 0.3s ease;
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
    content: '';
    position: absolute;
}

.mobile-menu-btn span::before {
    transform: translateY(-8px);
}

.mobile-menu-btn span::after {
    transform: translateY(8px);
}

/* Step Numbers Styling */
.step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.9;
    line-height: 1;
}

/* Steps Container Layout */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.step {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .step-number {
        font-size: 2.5rem;
    }
}