/* Basic reset */
html, body {
    height: 100%;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: white;
}

.hero-container {
    height: 100%; /* Makes it full-screen */
    
    /* This adds your image AND a dark overlay so text is readable */
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://4kwallpapers.com/images/walls/thumbs_3t/13667.jpg');
    
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed; /* Keeps image still on scroll */

    /* This centers your content */
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-content {
    /* Glassy/modern container for the text */
    background: rgba(0, 0, 0, 0.2);
    padding: 40px 60px;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    backdrop-filter: blur(5px);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
}

.hero-content p {
    font-size: 1.2rem;
    color: #e0e0e0;
    margin-top: 0;
    margin-bottom: 30px;
}

/* --- Navigation Button Styles --- */
.main-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap; /* Allows buttons to wrap on small screens */
}

.nav-button {
    display: block;
    padding: 12px 25px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.2s ease-in-out;
}

.nav-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px); /* Slight lift on hover */
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.nav-button.active {
    background-color: #3e3eff;
    border-color: #3e3eff;
}

.nav-button.disabled {
    background-color: rgba(100, 100, 100, 0.1);
    border-color: rgba(100, 100, 100, 0.3);
    color: #aaa;
    cursor: not-allowed;
}

.nav-button.disabled:hover {
    transform: none;
    background-color: rgba(100, 100, 100, 0.1);
    box-shadow: none;
}


/* --- NEW: Footer Styles --- */
.site-footer {
    padding: 30px 20px;
    background-color: #000020; /* Darker than the background */
    color: #8a8a9e; /* Faded purple-gray text */
    text-align: center;
    font-size: 0.9rem;
    border-top: 1px solid #3e3eff;
}

.site-footer p {
    margin: 5px 0;
    line-height: 1.5;
}

/* For app pages, we need to add the sidebar margin */
.sidebar-open .site-footer {
    margin-left: 250px;
}

/* --- NEW: WhatsApp Button Style --- */

.whatsapp-button {
    background-color: #25D366; /* Official WhatsApp Green */
    border-color: #25D366;
}

.whatsapp-button:hover {
    background-color: #1DAE54; /* A slightly darker green for hover */
    border-color: #1DAE54;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}