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

:root {
    --primary-color: #4CAF50;
    --secondary-color: #2E7D32;
    --accent-color: #81C784;
    --dark-bg: #1a1a2e;
    --light-bg: #f5f5f5;
    --text-dark: #333;
    --text-light: #fff;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--light-bg);
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(26, 26, 46, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(22, 33, 62, 0.8) 100%), url('images/background.jpeg');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    position: relative;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    color: var(--text-light);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.cta-button {
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    animation: fadeInUp 1s ease 0.4s backwards;
}

.cta-button:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3);
}

/* Apps Section */
.apps-section {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.apps-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-bg);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.app-card {
    background: #fff;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.app-icon {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    object-fit: contain;
}

.app-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-bg);
}

.app-description {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.app-features {
    list-style: none;
    margin-bottom: 1.5rem;
    text-align: left;
}

.app-features li {
    padding: 0.3rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #555;
    font-size: 0.9rem;
}

.app-features li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.download-btn {
    display: block;
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.download-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.02);
}

/* Features Section */
.features-section {
    padding: 5rem 5%;
    background: var(--dark-bg);
    color: var(--text-light);
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature {
    text-align: center;
    padding: 1.5rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.feature p {
    opacity: 0.8;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 5%;
    background: #fff;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dark-bg);
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--secondary-color);
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 2rem 5%;
    text-align: center;
}

.footer-links {
    margin: 1rem 0;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

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

.social-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 2px solid var(--accent-color);
    border-radius: 5px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    color: var(--dark-bg);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .apps-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}