/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f7;
}

/* Navbar styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    padding: 20px 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #1a1a1a;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-apps .container {
    max-width: 100%;
    padding: 0;
}

/* Header styles */
header {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('images/office.jpg');
    background-size: cover;
    background-position: center;
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
    color: #fff;
}

header h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.tagline {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.header-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto 40px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}



/* Section styles */
.section-header {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2.5rem;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 20px;
}

.section-description {
    text-align: center;
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

/* Apps section */
.section-apps {
    padding: 100px 0;
    background-color: #fff;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 50px;
    padding: 40px;
    max-width: 1800px;
    margin: 0 auto;
}

.app-features {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f5f5f7;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #666;
}

.feature i {
    color: #007AFF;
}

.app-card {
    background: #fff;
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 8px 16px rgba(0,0,0,0.08);
}

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

.app-icon {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    margin-bottom: 25px;
}

.app-card h2 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: #1a1a1a;
}

.app-card p {
    color: #666;
    margin-bottom: 35px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.google-play-btn img {
    height: 40px;
    transition: opacity 0.3s ease;
}

.google-play-btn img:hover {
    opacity: 0.8;
}

/* About section */
.section-about {
    padding: 100px 0;
    background-color: #f5f5f7;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.about-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.about-card i {
    font-size: 2.5rem;
    color: #007AFF;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.about-card p {
    color: #666;
}

/* Footer styles */
footer {
    background-color: #1a1a1a;
    padding: 80px 0 40px;
    color: #fff;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    color: #999;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: #666;
}

/* Responsive design */
@media (max-width: 768px) {
    header {
        padding: 40px 0;
    }

    header h1 {
        font-size: 2rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .app-card {
        padding: 20px;
    }
}