:root {
    --primary-color: #28a745;
    --secondary-color: #212529;
    --accent-color: #4d79ff;
}
body { 
    background-color: #f4f7f6; 
    font-family: 'Inter', sans-serif; 
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.navbar { 
    background-color: #ffffff; 
    border-bottom: 1px solid #eee; 
    padding: 12px 0;
}
.navbar-brand { font-weight: 800; letter-spacing: -1px; font-size: 1.4rem; }
.footer { 
    background-color: #ffffff; 
    border-top: 1px solid #eee;
    padding: 40px 0; 
    margin-top: auto;
}
.btn-primary { 
    background-color: var(--primary-color); 
    border: none; 
    font-weight: 600;
} 
.btn-primary:hover { background-color: #218838; }

/* Menu Styles */
.nav-link { font-weight: 600; color: #444; }
.nav-link:hover { color: var(--primary-color); }

.btn-comprar-nav {
    background-color: #e9f7ef;
    color: var(--primary-color) !important;
    border-radius: 50px;
    padding: 8px 18px !important;
    transition: all 0.3s;
    font-weight: 800;
}
.btn-comprar-nav:hover {
    background-color: var(--primary-color);
    color: white !important;
}

.messages-container { position: relative; z-index: 1050; }
.social-link {
    color: #6c757d;
    font-size: 1.2rem;
    transition: color 0.2s;
}
.social-link:hover { color: var(--primary-color); }

/* Helpers */
.fw-black { font-weight: 800; }