/* Basic Reset & Box Sizing */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Global Styles */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

h1, h2, h3 {
    font-weight: 700;
    color: #ffffff;
}

a {
    text-decoration: none;
    color: #4CAF50;
    transition: color 0.3s ease;
}

a:hover {
    color: #66BB6A;
}

.cta-button {
    display: inline-block;
    background-color: #4CAF50;
    color: #ffffff;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
}

.cta-button:hover {
    background-color: #66BB6A;
    transform: translateY(-2px);
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #333;
    color: #ffffff;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.download-button:hover {
    background-color: #4CAF50;
}

.download-button svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

/* Header */
.main-header {
    background-color: #1a1a1a;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

.logo span {
    color: #4CAF50;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    color: #b0b0b0;
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background-color: #1a1a1a;
    padding: 4rem 0;
    text-align: center;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero-content .tagline {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #a0a0a0;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

/* Featured Apps */
.featured-section {
    background-color: #121212;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.app-card {
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.app-card img {
    width: 80px;
    height: 80px;
    border-radius: 20%;
    margin-bottom: 1rem;
}

.app-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.app-version {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 1rem;
}

/* How-To Section */
.how-to-section {
    background-color: #1a1a1a;
}

.how-to-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
    border: 1px solid #333;
    border-radius: 15px;
}

.step-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background-color: #4CAF50;
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

.step p {
    color: #a0a0a0;
}

/* Footer */
.main-footer {
    background-color: #1a1a1a;
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid #333;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.footer-links a {
    color: #b0b0b0;
}

/* Responsive Design */
@media (min-width: 768px) {
    .hero-section .container {
        flex-direction: row;
        text-align: left;
        align-items: center;
        gap: 4rem;
    }

    .hero-content {
        max-width: 50%;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .how-to-steps {
        flex-direction: row;
        justify-content: space-around;
        gap: 1rem;
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}