:root {
    --bg-color: #0b0c10;
    --nav-bg: rgba(11, 12, 16, 0.95);
    --card-bg: #1f2833;
    --text-primary: #c5c6c7;
    --text-highlight: #66fcf1;
    --text-secondary: #45a29e;
    --accent: #66fcf1;
    --accent-hover: #45a29e;
    --dark-accent: #1f2833;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(102, 252, 241, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-highlight);
    letter-spacing: 1px;
}

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

.nav-links a {
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-color);
    box-shadow: 0 0 15px rgba(102, 252, 241, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 25px rgba(102, 252, 241, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    margin-left: 1rem;
}

.btn-secondary:hover {
    background-color: rgba(102, 252, 241, 0.1);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.2rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, #1f2833 0%, #0b0c10 70%);
    padding-top: 80px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--white);
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--text-highlight);
    text-shadow: 0 0 20px rgba(102, 252, 241, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: #8892b0;
}

.hero-note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--bg-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    /* Original margin-bottom: 4rem; is now part of the shorthand margin below */
    color: var(--white);
    position: relative;
    width: fit-content; /* Make the block only as wide as its content */
    margin: 0 auto 4rem auto; /* Center the block and set bottom margin */
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 40px 30px;
    border-radius: 10px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(102, 252, 241, 0.3);
}

.feature-card .icon-wrapper {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.feature-card p {
    color: #8892b0;
    font-size: 0.95rem;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(45deg, #1f2833, #0b0c10);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.download h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.download p {
    color: #8892b0;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.platform-info {
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background-color: #050608;
    color: #8892b0;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.disclaimer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer h4 {
    color: #ff6b6b;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.disclaimer p {
    font-size: 0.85rem;
    line-height: 1.5;
    color: #666;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: 0.4s;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--nav-bg);
        flex-direction: column;
        padding: 20px 0;
        text-align: center;
        border-bottom: 1px solid rgba(102, 252, 241, 0.1);
        backdrop-filter: blur(10px);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons .btn {
        display: block;
        margin: 10px auto;
        width: 100%;
        max-width: 300px;
    }

    .btn-secondary {
        margin-left: 0;
    }
}