/* --- Global Styles & Variables --- */
:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary-text-color: #f5f5f5;
    --secondary-text-color: #a0a0a0;
    --gradient-start: #8e44ad;
    --gradient-end: #00c6ff;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--primary-text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Navigation Bar --- */
header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    padding: 15px 0;
    background: rgba(18, 18, 18, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-text-color);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--secondary-text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* --- Hero Section --- */
.hero {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 100vh;
    padding: 0 20px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.slogan {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.description {
    font-size: 1.2rem;
    color: var(--secondary-text-color);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    padding: 15px 35px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    border: none;
    border-radius: 50px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hero-background-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(142, 68, 173, 0.2), transparent 70%);
    filter: blur(100px);
    z-index: 0;
}


/* --- Features Section --- */
.features {
    padding: 100px 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.feature-card i {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--secondary-text-color);
}

/* --- Footer --- */
footer {
    background-color: var(--surface-color);
    padding: 50px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-links {
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--secondary-text-color);
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-text-color);
}

.social-icons {
    margin-bottom: 20px;
}

.social-icons a {
    font-size: 1.5rem;
    color: var(--secondary-text-color);
    margin: 0 10px;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: var(--gradient-end);
}

.copyright {
    color: #777;
    font-size: 0.9rem;
}

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

    .description {
        font-size: 1rem;
    }
    
    .nav-links {
        display: none; /* On mobile, consider changing this to a hamburger menu */
    }

    .features {
        padding: 60px 20px;
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
}