@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Open+Sans:wght@400;600&display=swap');

:root {
    --color-primario: #007bff;
    --color-secundario: #6c757d;
    --color-fondo: #f8f9fa;
    --color-texto: #333;
    --color-blanco: #ffffff;
    --color-borde: #dee2e6;
    --color-tarjeta: #ffffff;
    --color-icono-fondo: #e9f5ff;
    --color-verde: #28a745;
    --color-amarillo: #FFD700;
    --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* === Estilos Base === */
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
    font-size: 16px; /* Tamaño base para escritorio */
}
.guide-container {
    max-width: 900px;
    margin: 40px auto;
    background-color: var(--color-blanco);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}
.guide-header {
    background: linear-gradient(135deg, var(--color-primario), #0056b3);
    color: var(--color-blanco);
    padding: 30px 40px;
    text-align: center;
    border-bottom: 5px solid var(--color-amarillo);
}
.guide-header h1 {
    font-family: 'Roboto', sans-serif;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 2.5em;
    font-weight: 700;
}
.guide-header h1 i { margin-right: 10px; vertical-align: middle; }
.guide-header p { font-size: 1.1em; opacity: 0.9; margin-bottom: 0; }

/* === Navegación Interna === */
.guide-nav {
    background-color: #f1f3f5;
    padding: 15px 40px;
    border-bottom: 1px solid var(--color-borde);
    text-align: center;
}
.guide-nav ul { list-style: none; padding: 0; margin: 0; }
.guide-nav li { display: inline-block; margin: 5px 10px; }
.guide-nav a {
    text-decoration: none;
    color: var(--color-secundario);
    font-weight: 600;
    padding: 8px 15px;
    border-radius: 20px;
    background-color: var(--color-blanco);
    border: 1px solid var(--color-borde);
    transition: background-color 0.2s ease, color 0.2s ease;
    font-size: 0.9em;
}
.guide-nav a:hover {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    border-color: var(--color-primario);
}

/* === Estilos de Pasos === */
.steps-section {
    padding: 40px;
    position: relative;
    border-left: 3px dashed var(--color-borde);
    margin-left: 40px;
}
.step-card {
    background-color: var(--color-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: 8px;
    padding: 25px 30px;
    margin-bottom: 30px;
    display: flex;
    align-items: flex-start;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--sombra-suave);
    border-left: 5px solid var(--color-primario);
    position: relative;
    margin-left: -18px;
}
.step-card:last-child { margin-bottom: 0; }
.step-card:hover {
    transform: translateY(-3px) translateX(5px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}
.step-icon {
    flex-shrink: 0;
    width: 55px;
    height: 55px;
    background-color: var(--color-blanco);
    color: var(--color-primario);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6em;
    margin-right: 25px;
    border: 3px solid var(--color-primario);
    box-shadow: 0 0 0 4px var(--color-blanco);
    z-index: 2;
    position: relative;
    margin-left: -15px;
}
.step-content { flex-grow: 1; }
.step-content h2 {
    font-family: 'Roboto', sans-serif;
    font-size: 1.4em;
    font-weight: 500;
    color: var(--color-primario);
    margin-top: 0;
    margin-bottom: 10px;
}
.step-content h2 .emoji { margin-right: 8px; font-size: 1.1em; }
.step-content p { margin-bottom: 15px; font-size: 1em; color: #555; }

/* === Botones de Acción === */
.btn-action {
    display: inline-block;
    background-color: var(--color-verde);
    color: var(--color-blanco);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95em;
    transition: background-color 0.2s ease, transform 0.2s ease;
    border: none;
}
.btn-action i { margin-right: 8px; }
.btn-action:hover {
    background-color: #218838;
    color: var(--color-blanco);
    transform: scale(1.03);
}
.step-card:nth-child(2) .btn-action,
.step-card:nth-child(5) .btn-action { background-color: var(--color-secundario); }
.step-card:nth-child(2) .btn-action:hover,
.step-card:nth-child(5) .btn-action:hover { background-color: #5a6268; }

/* === Ventajas y Footer === */
.advantages-section {
    background-color: #f0f8ff;
    padding: 40px;
    margin-top: 0;
    border-top: 1px solid var(--color-borde);
}
.advantages-section h2 { text-align: center; font-family: 'Roboto', sans-serif; font-size: 1.8em; color: #333; margin-top: 0; margin-bottom: 30px; }
.advantages-section h2 i { color: var(--color-verde); margin-right: 10px; }
.advantages-section ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.advantages-section li { background-color: var(--color-blanco); padding: 20px; border-radius: 6px; border: 1px solid #cce5ff; display: flex; align-items: center; font-size: 1.05em; color: #444; box-shadow: var(--sombra-suave); transition: transform 0.2s ease; }
.advantages-section li:hover { transform: scale(1.03); }
.advantages-section li i { color: var(--color-verde); font-size: 1.3em; margin-right: 15px; width: 25px; text-align: center; }
.guide-footer { background-color: #e9ecef; padding: 20px 40px; text-align: center; font-size: 1.1em; color: #495057; border-top: 1px solid var(--color-borde); }
.guide-footer a { color: var(--color-primario); text-decoration: none; font-weight: 600; }
.guide-footer a:hover { text-decoration: underline; }

/* ==========================================================================
   Responsividad
   ========================================================================== */

/* === Pantallas Medianas (Tablets) === */
@media (max-width: 768px) {
    .guide-container { margin: 15px; max-width: calc(100% - 30px); }
    .guide-header { padding: 25px; }
    .guide-header h1 { font-size: 2em; }
    .guide-nav { padding: 10px; }
    .guide-nav li { margin: 3px 5px; }
    .steps-section { padding: 20px; margin-left: 20px; }
    .step-card { flex-direction: column; align-items: center; text-align: center; margin-left: -15px; }
    .step-icon { margin-right: 0; margin-bottom: 15px; margin-left: -10px; }
    .advantages-section { padding: 30px 20px; }
    .advantages-section ul { grid-template-columns: 1fr; }
}

/* === Pantallas Pequeñas (Móviles / WebView - "Muy Pequeño") === */
@media (max-width: 480px) {
    body {
        font-size: 13px; /* <<<< TAMAÑO BASE MUY PEQUEÑO */
        line-height: 1.4; /* Interlineado ajustado */
        background-color: var(--color-blanco); /* Fondo simple */
    }
    .guide-container {
        margin: 0; /* Sin márgenes */
        max-width: 100%;
        border-radius: 0; /* Sin bordes */
        box-shadow: none; /* Sin sombra */
    }
    .guide-header {
        padding: 15px 10px; /* Menos padding */
        border-bottom-width: 3px;
    }
    .guide-header h1 {
        font-size: 1.6em; /* Título más pequeño */
        margin-bottom: 5px;
    }
    .guide-header h1 i { font-size: 0.8em; margin-right: 5px; }
    .guide-header p { font-size: 0.9em; }

    .guide-nav {
        padding: 8px 5px; /* Menos padding */
    }
    .guide-nav li {
        display: block; /* Navegación vertical */
        margin: 5px 0; /* Espaciado vertical */
    }
     .guide-nav a {
        display: block; /* Ocupan todo el ancho */
        padding: 6px 10px; /* Menos padding */
        font-size: 0.85em; /* Letra más pequeña */
    }

    .steps-section {
        margin-left: 25px; /* Línea cerca */
        padding: 15px 10px 15px 15px; /* Padding ajustado */
        border-left-width: 2px;
    }
    .step-card {
        padding: 15px; /* Menos padding */
        margin-bottom: 15px; /* Menos separación */
        margin-left: -15px; /* Ajuste */
        flex-direction: row; /* Vuelve a flex row pero ajustado */
        align-items: flex-start;
        text-align: left; /* Alinea a la izquierda */
    }
    .step-card:hover { transform: none; box-shadow: var(--sombra-suave); }

    .step-icon {
        width: 35px; /* <<<< ICONO MUY PEQUEÑO */
        height: 35px;
        font-size: 1em;
        margin-right: 15px; /* Espacio */
        margin-bottom: 0; /* Sin margen inferior */
        margin-left: -20px; /* <<<< AJUSTE A LÍNEA */
        border-width: 2px;
        box-shadow: 0 0 0 2px var(--color-blanco);
    }

    .step-content h2 {
        font-size: 1.1em; /* <<<< TÍTULO PASO PEQUEÑO */
        margin-bottom: 5px;
    }
    .step-content p {
        font-size: 0.9em; /* <<<< TEXTO PASO PEQUEÑO */
        margin-bottom: 10px;
    }
    .btn-action {
        padding: 6px 10px; /* <<<< BOTÓN PEQUEÑO */
        font-size: 0.85em;
    }

    .advantages-section { padding: 20px 15px; }
    .advantages-section h2 { font-size: 1.3em; margin-bottom: 15px; }
    .advantages-section li { padding: 12px; font-size: 0.9em; }
    .advantages-section li i { font-size: 1.1em; margin-right: 10px; }
    .advantages-section li:hover { transform: none; }

    .guide-footer { padding: 15px 10px; font-size: 0.9em; }
}