@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --primary-color: #E21E25;
    --primary-color-dark: #c01a20;
    --secondary-color: #6c757d;
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --text-color: #333;
    --border-color: #ddd;
    --error-color: #dc3545;
    --border-radius: 12px;
    --transition-speed: 0.5s;
}

/* --- Barra Superior (Header) --- */
.top-bar {
    background-color: #ffffff;
    height: 70px; /* Altura fija para la barra */
    padding: 10px 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); /* Sombra sutil */
    
    position: fixed; /* La mantiene fija en la parte superior */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000; /* Asegura que esté por encima de todo */

    display: flex;
    justify-content: center; /* Centra el logo horizontalmente */
    align-items: center; /* Centra el logo verticalmente */
}

.top-bar-logo {
    height: 50px; /* Altura del logo, un poco menor que la barra */
    width: auto;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    overflow: hidden; /* Evita el scroll en el layout principal */
}

/* --- Layout Principal de Pantalla Completa --- */
.form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100vw;
    height: 100vh;
    height: 100dvh; /* Mejor para móviles */
}

/* --- Panel Izquierdo (Imagen) --- */
/* --- Panel Izquierdo (Imagen) --- */
.image-panel {
    background-color: #ffffff; /* Fondo cambiado a blanco */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    border-right: 1px solid var(--border-color); /* Borde sutil para la división */
}

.image-fader img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    border-radius: var(--border-radius);
    opacity: 0;
    transition: opacity var(--transition-speed) ease-in-out;
}

.image-fader img.active {
    opacity: 1;
}

/* --- Panel Derecho (Formulario) --- */
.form-panel {
    background-color: var(--card-background);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 5rem;
    overflow-y: auto;
}

#multi-step-form {
    position: relative;
    transition: height 0.4s ease-out;
}

/* --- Barra de Progreso --- */
.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}
.progress-step {
    width: 35px;
    height: 35px;
    background-color: var(--border-color);
    border-radius: 50%;
    transition: background-color var(--transition-speed) ease;
    position: relative;
    z-index: 2;
}
.progress-step.clickable { cursor: pointer; }
.progress-step.active { background-color: var(--primary-color); }
.progress-step::before {
    content: attr(data-step-title);
    position: absolute;
    top: 45px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    color: var(--secondary-color);
    white-space: nowrap;
}
.progress-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 4px;
    width: 100%;
    background-color: var(--border-color);
    z-index: 1;
}

/* --- Estilos y Animaciones de los Pasos --- */
.step {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(50px);
    transition: all var(--transition-speed) ease-out;
}
.step.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}
.step.inactive-next {
    opacity: 0;
    transform: translateX(-50px);
}
.step-content h1 { font-size: 2.1rem; font-weight: 700; color: var(--primary-color); margin-bottom: 8px; }
.step-content p { font-size: 1rem; color: var(--secondary-color); margin-bottom: 2rem; }
.step-content h2 { font-size: 1.7rem; margin-bottom: 1.5rem; font-weight: 600; }

/* --- Estilos de Campos y Botones --- */
input[type="text"], input[type="number"], input[type="email"], input[type="tel"], textarea {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 5px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s, box-shadow 0.3s;
}
input:focus, textarea:focus { border-color: var(--primary-color); outline: none; box-shadow: 0 0 0 3px rgba(226, 30, 37, 0.15); }
.input-error { border-color: var(--error-color) !important; }
.input-error:focus { box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2); }
.error-message { color: var(--error-color); font-size: 0.85rem; text-align: left; height: 20px; margin-bottom: 10px; visibility: hidden; opacity: 0; transition: opacity 0.3s, visibility 0.3s; }
.error-message.visible { visibility: visible; opacity: 1; }
.options { display: flex; justify-content: flex-start; flex-wrap: wrap; gap: 15px; margin-bottom: 20px; }
.options label span { display: block; background-color: #f8f9fa; border: 1px solid var(--border-color); padding: 15px 25px; border-radius: 8px; transition: all 0.3s ease; font-weight: 600; }
.options label { cursor: pointer; }
.options label:hover span { transform: translateY(-3px); box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.options input[type="radio"] { display: none; }
.options input[type="radio"]:checked + span { background-color: var(--primary-color); color: white; border-color: var(--primary-color-dark); box-shadow: 0 5px 12px rgba(226, 30, 37, 0.3); }
.btn { padding: 14px 30px; border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.btn:hover { transform: translateY(-3px); box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.btn-primary, .btn-submit { background-color: var(--primary-color); color: white; }
.btn-secondary, .btn-prev { background-color: #f8f9fa; color: var(--text-color); border: 1px solid var(--border-color); }
.navigation-buttons { display: flex; justify-content: space-between; margin-top: 25px; }

/* Spinner, sin cambios */
.spinner { display: none; border: 3px solid rgba(255, 255, 255, 0.3); border-radius: 50%; border-top-color: #fff; width: 20px; height: 20px; animation: spin 1s ease-in-out infinite; }
.btn-submit.loading .spinner { display: block; }
.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading { pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Responsividad para Móviles --- */
@media (max-width: 900px) {
    .form-container {
        grid-template-columns: 1fr;
        grid-template-rows: 250px auto; /* Fila para imagen, fila para form */
    }
    .image-panel {
        padding: 1rem;
    }
    .form-panel {
        padding: 2rem;
        justify-content: flex-start; /* Alinear al inicio en móvil */
    }
    .step-content h1 { font-size: 1.8rem; }
    .step-content h2 { font-size: 1.5rem; }
}

.btn-whatsapp {
    background-color: #25D366; /* Color verde de WhatsApp */
    color: white;
}
.btn-whatsapp:hover {
    background-color: #1DAA53; /* Un verde un poco más oscuro al pasar el mouse */
}