:root {
    --primary-bg: #1A1A1A;
    --secondary-text: #FFFFFF;
    --accent-green: #00FF7F;
    --accent-blue: #007BFF;
    --dark-gray-border: #333;
    --light-gray-text: #CCC;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg);
    color: var(--secondary-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-green);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header */
header {
    background-color: var(--primary-bg);
    padding: 15px 0;
    border-bottom: 1px solid var(--dark-gray-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.5em;
}

.logo img {
    height: 40px; /* Adjust as needed */
    margin-right: 10px;
    border-radius: 5px; /* Subtle round for logo */
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--secondary-text);
    font-weight: 700;
    font-size: 1.1em;
    transition: color 0.3s ease, transform 0.3s ease;
}

nav ul li a:hover {
    color: var(--accent-green);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--primary-bg) 0%, #000 100%);
    min-height: 70vh;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    line-height: 1.1;
    color: var(--secondary-text);
}

.hero .tagline {
    font-size: 1.5em;
    color: var(--light-gray-text);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    text-transform: uppercase;
    transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-3px);
}

.primary-btn {
    background-color: var(--accent-green);
    color: var(--primary-bg);
}

.primary-btn:hover {
    background-color: darken(var(--accent-green), 10%); /* This won't work in pure CSS */
    filter: brightness(0.9); /* Alternative for hover effect */
}

.secondary-btn {
    background-color: transparent;
    color: var(--accent-green);
    border: 2px solid var(--accent-green);
}

.secondary-btn:hover {
    background-color: var(--accent-green);
    color: var(--primary-bg);
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(100%);
}

.hero-image {
    max-width: 600px;
    margin-top: 40px;
}

.hero-image img {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 255, 127, 0.2); /* Soft glow */
}

/* Sections */
.section-padded {
    padding: 80px 0;
}

.section-padded h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 50px;
    color: var(--secondary-text);
}

.dark-section {
    background-color: #0d0d0d;
    border-top: 1px solid var(--dark-gray-border);
    border-bottom: 1px solid var(--dark-gray-border);
}

/* Description & About */
#description p, #about p {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1em;
    text-align: center;
    color: var(--light-gray-text);
}

/* Features Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    background-color: #222;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--dark-gray-border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 255, 127, 0.2);
}

.feature-card h3 {
    color: var(--accent-green);
    font-size: 1.4em;
    margin-top: 0;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--light-gray-text);
    font-size: 1em;
    margin-bottom: 20px;
}

.feature-card img {
    max-width: 150px; /* Placeholder image size */
    margin: 0 auto;
    border-radius: 8px;
}

/* Footer */
footer {
    background-color: #000;
    color: var(--light-gray-text);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--dark-gray-border);
}

footer .container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-links a, .social-links a {
    color: var(--light-gray-text);
    margin: 0 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover, .social-links a:hover {
    color: var(--accent-green);
}

footer p {
    margin: 0;
    font-size: 0.9em;
}

footer p#contact {
    margin-top: 10px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 2.5em;
    }

    .hero .tagline {
        font-size: 1.2em;
    }

    nav {
        flex-direction: column;
        gap: 15px;
    }

    nav ul {
        margin-top: 15px;
    }

    nav ul li {
        margin: 0 15px;
    }

    .section-padded {
        padding: 60px 0;
    }

    .section-padded h2 {
        font-size: 2em;
        margin-bottom: 40px;
    }

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

    .hero-image {
        margin-top: 30px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2em;
    }

    .hero .tagline {
        font-size: 1em;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .logo {
        font-size: 1.2em;
    }

    .logo img {
        height: 30px;
    }
    
    .footer-links, .social-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-links a, .social-links a {
        margin: 0;
    }
}

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