:root {
    --tecnoptix-blue: #004a99; /* Azul representativo de Tecnoptix */
    --tecnoptix-dark: #002b59;
    --accent-green: #2ecc71;
    --light-gray: #f9f9f9;
}

/* Estilo general de los botones de WhatsApp */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    margin: 10px 5px;
    color: white !important;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.2);
}

.wa-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

/* Color específico para 2WIN (Verde WhatsApp Clásico) */
.btn-2win {
    background-color: #25D366;
}

/* Color específico para Kaleidos (Azul Tecnoptix/Adaptica para variar) */
/* O puedes usar el mismo verde para ambos si prefieres consistencia */
.btn-kaleidos {
    background-color: #128C7E; /* Un verde más oscuro y serio */
}

/* Si prefieres que el de Kaleidos sea azul como la marca: */
/* .btn-kaleidos { background-color: #004a99; } */

body { font-family: 'Roboto', sans-serif; margin: 0; color: #333; }
h1, h2, h3 { font-family: 'Montserrat', sans-serif; }

.container { max-width: 1100px; margin: auto; padding: 20px; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { height: 60px; }
.distribuidor-tag { font-size: 0.8rem; font-weight: bold; color: var(--tecnoptix-blue); text-transform: uppercase; border: 1px solid; padding: 5px 10px; border-radius: 4px; }

.hero { background: linear-gradient(rgba(0,43,89,0.85), rgba(0,43,89,0.85)), url('fondo-optica.jpg'); 
        color: white; text-align: center; padding: 100px 20px; background-size: cover; background-position: center; }
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; }
.hero-btns { margin-top: 30px; }

.btn-primary { background: var(--accent-green); color: white; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; margin: 10px; display: inline-block; }
.btn-secondary { background: transparent; color: white; border: 2px solid white; padding: 13px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; margin: 10px; display: inline-block; }

.section-title { text-align: center; margin-bottom: 40px; color: var(--tecnoptix-blue); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.card { background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); border-top: 5px solid var(--tecnoptix-blue); }
.tagline { color: var(--tecnoptix-blue); font-weight: bold; font-size: 0.9rem; margin-bottom: 15px; display: block; }
ul { padding-left: 20px; }
ul li { margin-bottom: 10px; }

.contact-form { background: var(--light-gray); padding: 80px 0; text-align: center; }
form { max-width: 550px; margin: 40px auto; display: flex; flex-direction: column; gap: 15px; background: white; padding: 40px; border-radius: 10px; }
input, select, textarea { padding: 12px; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; }
.btn-submit { background: var(--tecnoptix-blue); color: white; border: none; padding: 18px; border-radius: 5px; font-weight: bold; cursor: pointer; font-size: 1.1rem; }

footer { background: #222; color: white; padding: 40px 0; text-align: center; font-size: 0.9rem; }
footer a { color: var(--accent-green); text-decoration: none; }

@media (max-width: 768px) { .grid { grid-template-columns: 1fr; } .hero h1 { font-size: 2rem; } }