/* =========================================
   CALCULADORA DE PRECIOS - ESTILO GLASS
   ========================================= */

.calc-wrapper {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('/assets/img/contacto.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    padding: 60px 0;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    max-width: 900px;
    width: 95%;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

/* --- COLUMNA IZQUIERDA (INPUTS) --- */
.calc-inputs h1 {
    margin-top: 0;
    text-shadow: 0 0 10px rgba(41, 197, 246, 0.6);
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--c-yellow);
}

.form-control {
    width: 100%;
    padding: 12px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    border-radius: 8px;
    font-size: 1rem;
    box-sizing: border-box; 
}

.form-control:focus {
    outline: none;
    border-color: var(--c-cyan);
    background: rgba(0,0,0,0.5);
}

/* Radio buttons para unidad de medida */
.unit-toggle {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}
.unit-option {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* --- COLUMNA DERECHA (RESULTADO) --- */
.calc-result-box {
    background: rgba(0,0,0,0.3);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.estimated-label {
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    color: #aaa;
}

.final-price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--c-cyan);
    margin: 10px 0;
    text-shadow: 0 0 20px rgba(41, 197, 246, 0.4);
}

.disclaimer {
    font-size: 0.8rem;
    color: #bbb;
    margin-top: 20px;
    line-height: 1.4;
    background: rgba(255,222,0, 0.1);
    padding: 10px;
    border-radius: 8px;
    border-left: 3px solid var(--c-yellow);
}

.btn-whatsapp-calc {
    background: #25D366;
    color: white;
    text-decoration: none;
    padding: 15px;
    border-radius: 8px;
    font-weight: bold;
    display: block;
    margin-top: 20px;
    transition: 0.3s;
    text-transform: uppercase;
}

.btn-whatsapp-calc:hover {
    background: #1ebc57;
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .calc-container { grid-template-columns: 1fr; }
    .final-price { font-size: 2.5rem; }
}