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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
    background: #2f386a;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.logo {
    display: block;
    margin: 0 auto 20px auto;
    height: auto;
    max-width: 100%;
    filter: drop-shadow(2px 2px 8px rgba(0, 0, 0, 0.3));
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Main content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Info section */
.info-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
}

.info-section h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    color: #333;
}

.info-section p {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    text-align: center;
}

.feature h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #333;
}

.feature p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

/* Footer */
footer {
    margin-top: 40px;
    margin-bottom: 80px; /* Space for bottom nav */
    padding: 20px;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #2f386a;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 20px;
    height: 60px;
    z-index: 9999;
    box-sizing: border-box;
}

.copyright {
    position: absolute;
    left: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    font-weight: 500;
}

.contact-info {
    position: absolute;
    right: 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    font-weight: 500;
}

.contact-info a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.contact-info a:hover {
    color: white;
    text-decoration: underline;
}



/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }

    header h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .logo {
        max-width: 150px;
    }

    .info-section {
        padding: 30px 20px;
    }

    .bottom-nav {
        padding: 10px 16px;
    }

    .copyright {
        font-size: 0.7rem;
    }

    .contact-info {
        font-size: 0.7rem;
        right: 16px;
        color: rgba(255, 255, 255, 0.8);
    }

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

@media (max-width: 480px) {
    .logo {
        max-width: 120px;
    }

    header h1 {
        font-size: 2rem;
    }

}