* {
    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: #e0e0e0;
    background-color: #F3F3F3;
}

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

/* Header styles */
.header {
    background-color: #2d2d2d;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
}

.header {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    gap: 20px;
}

.header img {
    width: 64px;
    height: 64px;
    border-radius: 12px;
}

.header h1 {
    color: #ffffff;
    font-size: 28px;
    margin-bottom: 8px;
}

.header div:last-child {
    color: #9e9e9e;
    font-size: 16px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.nav a {
    text-decoration: none;
    color: #2c3e50;
    margin-left: 30px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav a:hover {
    color: #3498db;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    padding: 160px 0 80px;
    text-align: center;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: #e74c3c;
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s, background-color 0.3s;
}

.cta-button:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

/* Features section */
.features {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.features h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 36px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.feature-item {
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.feature-item h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Showcase section */
.showcase {
    padding: 100px 0;
}

.showcase h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 36px;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.showcase-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.showcase-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #2c3e50;
}

/* Download section */
.download {
    padding: 100px 0;
    background-color: #f9f9f9;
    text-align: center;
}

.download h2 {
    margin-bottom: 40px;
    font-size: 36px;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.download-button {
    transition: transform 0.3s;
}

.download-button:hover {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: #2d2d2d;
    color: #9e9e9e;
    padding: 30px 0;
    text-align: center;
    width: 100%;
}

/* Responsive design */
@media (max-width: 768px) {
    .header .container {
        height: 60px;
    }

    .nav a {
        margin-left: 15px;
        font-size: 14px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .showcase-content {
        grid-template-columns: 1fr;
    }

    .showcase-text {
        text-align: center;
    }

    .download-options {
        flex-direction: column;
        align-items: center;
    }
}


.content-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 80px 20px 60px;
}

.logo-container {
    text-align: center;
    margin-bottom: 20px;
}

.text-container {
    text-align: center;
    color: #333333;
}

.subtitle {
    margin-top: 10px;
}
.content-center a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s;
}

.content-center a:hover {
    color: #2980b9;
}
.preview-images {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 20px 0;
}

.preview-image {
    width: 240px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.preview-image:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .preview-images {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .preview-image {
        width: 100%;
        max-width: 400px;
    }
}