:root {
    --bg-dark: #0d1117;
    --card-bg: #161b22;
    --border-color: #30363d;
    --text-light: #e6edf3;
    --text-muted: #8b949e; 
    --accent-main: #ffc300;
    --accent-gear: #c993ff;
    --accent-mosaic: #06b6d4;
}
body {
    background-color: var(--bg-dark); 
    color: var(--text-light); 
    font-family: 'Inter', sans-serif;
    margin: 0;
    overflow-x: hidden;
}
.hero-description {
    color: #8b949e;
    font-size: 1.15em;
    max-width: 800px;
    margin: 15px auto 0;
}
#nav-tabs { 
    display: flex; 
    justify-content: center; 
    flex-wrap: wrap; 
    border-bottom: 2px solid var(--card-bg); 
    margin-bottom: 30px; 
}
.nav-link-btn { 
    background: transparent; 
    border: none; 
    padding: 15px 25px; 
    cursor: pointer; 
    color: var(--text-light); 
    text-decoration: none;
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    font-weight: normal; 
    transition: all 0.2s;
    text-transform: uppercase;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}
.nav-link-btn:hover { background-color: #30363d; color: #ffc300; }
.active-link-style { border-bottom: 3px solid #ffc300; color: #ffc300 !important; font-weight: bold; }
.dropdown-menu-container { position: relative; display: inline-block; }
.dropdown-content { 
    display: none; 
    position: absolute; 
    background-color: var(--card-bg); 
    z-index: 9999; 
    min-width: 280px; 
    border-top: 3px solid var(--accent-gear); 
    border-radius: 0 0 8px 8px; 
    left: 50%; 
    transform: translateX(-50%); 
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}
.dropdown-content.show { display: flex; flex-direction: column; }
.dropdown-item { 
    color: var(--text-light); 
    padding: 12px 15px; 
    text-decoration: none; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.dropdown-item:hover { background-color: var(--border-color); color: var(--accent-main); }
.app-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}
.app-card:hover {
    border-color: var(--accent-main);
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(255, 195, 0, 0.1);
}

.app-card.oracle-hover:hover {            
    transform: translateY(-5px);
    border-color: rgba(185, 85, 247);
    box-shadow: 0 0 30px rgba(185, 85, 247, 0.1);
}

/* Estilo específico para la tarjeta Mosaic al hacer hover */
.app-card.mosaic-hover:hover {
    border-color: var(--accent-mosaic);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.1);
}
.download-btn {
    background: #21262d;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    transition: all 0.2s;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}
.download-btn:hover:not(.disabled) {
    background: var(--border-color);
    color: var(--accent-main);
}
.download-btn-oracle:hover:not(.disabled) {
    color: rgba(185, 85, 247);
}
.download-btn-mosaic:hover:not(.disabled) {
    color: var(--accent-mosaic) !important;
}
.download-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: #0d1117;
}
footer {
    margin-top: 60px;
    padding: 20px;
    border-top: 1px solid var(--card-bg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}