:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f8fafc;
    --text-color: #1e293b;
}

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #007bff;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.hero {
    text-align: center;
    padding: 6rem 1rem;
    position: relative;
    background-image: url('images/banner.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    margin-bottom: 3rem;
    isolation: isolate;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(37, 99, 235, 0.69),
            rgba(30, 64, 175, 0.585));
    z-index: -1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    margin: 0 auto;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.app-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.app-card img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.app-card h2 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.app-card p {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.app-features span {
    background: var(--background-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--primary-color);
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.features-list li {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.cta-text {
    margin-top: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    background: var(--background-color);
    color: var(--text-color);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
}