/* ========================================= */
/* SECCIÓN COMPARATIVA PREMIUM (ESTILO APPLE) */
/* ========================================= */

:root {
    /* Modo Claro */
    --comparativa-bg: #fbfbfd;
    --comparativa-card-bg: #ffffff;
    --comparativa-border: #f0f0f0;
    --comparativa-text-primary: #1d1d1f;
    --comparativa-text-secondary: #6e6e73;
    --comparativa-text-tertiary: #8e8e93;
    --comparativa-icon-bg-sin: #ffeeed;
    --comparativa-icon-color-sin: #e03e2e;
    --comparativa-icon-bg-con: #e6f9ed;
    --comparativa-icon-color-con: #10b981;
    --comparativa-badge-bg: #ffffff;
    --comparativa-badge-border: #eaeaea;
    --comparativa-tooltip-bg: #1d1d1f;
    --comparativa-tooltip-text: #ffffff;
    --comparativa-shadow: 0 8px 20px rgba(0,0,0,0.02);
    --comparativa-hover-shadow: 0 20px 30px -10px rgba(0,0,0,0.05);
    --link-hover-color: #0066cc;
    --link-hover-dark: #003d7a;
}

/* Modo Oscuro */
[data-theme="dark"] {
    --comparativa-bg: #1a1a1d;
    --comparativa-card-bg: #2c2c30;
    --comparativa-border: #3a3a3e;
    --comparativa-text-primary: #f5f5f7;
    --comparativa-text-secondary: #aeaeb2;
    --comparativa-text-tertiary: #8e8e93;
    --comparativa-icon-bg-sin: #441f1f;
    --comparativa-icon-color-sin: #ff6b6b;
    --comparativa-icon-bg-con: #1a3a2a;
    --comparativa-icon-color-con: #4cd964;
    --comparativa-badge-bg: #2c2c30;
    --comparativa-badge-border: #3a3a3e;
    --comparativa-tooltip-bg: #f5f5f7;
    --comparativa-tooltip-text: #1d1d1f;
    --comparativa-shadow: 0 8px 20px rgba(0,0,0,0.3);
    --comparativa-hover-shadow: 0 20px 30px -10px rgba(0,0,0,0.5);
    --link-hover-color: #0a84ff;
    --link-hover-dark: #409cff;
}

.comparativa-premium {
    width: 100%;
    background-color: var(--comparativa-bg);
    padding: 5rem 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    transition: background-color 0.3s ease;
}

.comparativa-container {
    max-width: 1280px;
    margin: 0 auto;
}

/* Encabezado */
.comparativa-header {
    text-align: center;
    margin-bottom: 4rem;
}

.comparativa-etiqueta {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--comparativa-text-secondary);
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.comparativa-titulo {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--comparativa-text-primary);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.comparativa-subtitulo {
    font-size: 1.25rem;
    color: var(--comparativa-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
    transition: color 0.3s ease;
}

/* Grid 2 columnas */
.comparativa-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0 2.5rem;
}

@media (max-width: 768px) {
    .comparativa-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* Columnas base */
.columna-sin,
.columna-con {
    background-color: var(--comparativa-card-bg);
    border-radius: 24px;
    box-shadow: var(--comparativa-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--comparativa-border);
    display: flex;
    flex-direction: column;
    height: fit-content;
}

.columna-sin:hover,
.columna-con:hover {
    box-shadow: var(--comparativa-hover-shadow);
    transform: translateY(-4px);
    border-color: var(--comparativa-accent-blue, #0071e3);
}

[data-theme="dark"] .columna-sin:hover,
[data-theme="dark"] .columna-con:hover {
    border-color: rgba(10, 132, 255, 0.4);
}

/* Cabeceras de columna */
.columna-header {
    padding: 2rem 2rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--comparativa-border);
    transition: border-color 0.3s ease;
}

.icono-circular {
    width: 48px;
    height: 48px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    font-size: 1.3rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.columna-header.sin .icono-circular {
    background-color: var(--comparativa-icon-bg-sin);
    color: var(--comparativa-icon-color-sin);
}

.columna-header.con .icono-circular {
    background-color: var(--comparativa-icon-bg-con);
    color: var(--comparativa-icon-color-con);
}

.columna-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--comparativa-text-primary);
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
    transition: color 0.3s ease;
}

.sub-columna {
    font-size: 0.95rem;
    color: var(--comparativa-text-secondary);
    margin: 0;
    transition: color 0.3s ease;
}

/* Listas de características */
.lista-caracteristicas {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    flex-grow: 1;
}

.item-caracteristica {
    display: flex;
    align-items: flex-start;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--comparativa-border);
    gap: 1rem;
    transition: border-color 0.3s ease;
}

.item-caracteristica:last-child {
    border-bottom: none;
}

.item-caracteristica i:first-child {
    font-size: 1.2rem;
    min-width: 1.5rem;
    margin-top: 0.1rem;
    transition: color 0.3s ease;
}

.columna-sin .item-caracteristica i:first-child {
    color: var(--comparativa-icon-color-sin);
    opacity: 0.8;
}

.columna-con .item-caracteristica i:first-child {
    color: var(--comparativa-icon-color-con);
}

.item-texto {
    flex: 1;
}

.item-titulo {
    display: block;
    font-weight: 530;
    color: var(--comparativa-text-primary);
    font-size: 1rem;
    margin-bottom: 0.2rem;
    transition: color 0.3s ease;
}

.item-descripcion {
    display: block;
    font-size: 0.9rem;
    color: var(--comparativa-text-tertiary);
    line-height: 1.4;
    transition: color 0.3s ease;
}

/* Botón de tooltip */
.tooltip-btn {
    background: none;
    border: none;
    color: var(--comparativa-text-tertiary);
    cursor: pointer;
    padding: 0 0.2rem;
    font-size: 1rem;
    transition: color 0.2s;
    position: relative;
    display: inline-flex;
    align-items: center;
}

.tooltip-btn:hover {
    color: var(--link-hover-color);
}

/* Tooltip personalizado (puro CSS) */
.tooltip-btn {
    position: relative;
}

.tooltip-btn[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 150%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--comparativa-tooltip-bg);
    color: var(--comparativa-tooltip-text);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    pointer-events: none;
    z-index: 20;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    font-weight: 400;
    letter-spacing: 0;
}

[data-theme="dark"] .tooltip-btn[data-tooltip]:before {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.tooltip-btn[data-tooltip]:after {
    content: '';
    position: absolute;
    bottom: 140%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--comparativa-tooltip-bg) transparent transparent transparent;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.tooltip-btn:hover[data-tooltip]:before,
.tooltip-btn:hover[data-tooltip]:after {
    opacity: 1;
    visibility: visible;
}

/* Footer de columna */
.columna-footer {
    padding: 1.5rem 2rem 2rem;
    border-top: 1px solid var(--comparativa-border);
    text-align: center;
    transition: border-color 0.3s ease;
}

.cifra-impacto {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--comparativa-text-primary);
    letter-spacing: -0.02em;
    transition: color 0.3s ease;
}

.columna-footer.sin .cifra-impacto {
    color: var(--comparativa-icon-color-sin);
}

.columna-footer.con .cifra-impacto {
    color: var(--comparativa-icon-color-con);
}

.etiqueta-impacto {
    display: block;
    font-size: 0.8rem;
    color: var(--comparativa-text-tertiary);
    margin-top: 0.2rem;
    transition: color 0.3s ease;
}

/* Badge inferior */
.comparativa-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: var(--comparativa-badge-bg);
    border-radius: 60px;
    padding: 0.75rem 1.8rem;
    width: fit-content;
    margin: 2rem auto 0;
    border: 1px solid var(--comparativa-badge-border);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
    color: var(--comparativa-text-secondary);
    font-size: 0.95rem;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="dark"] .comparativa-badge {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.comparativa-badge i {
    color: var(--comparativa-icon-color-con);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.link-badge {
    color: var(--link-hover-color);
    text-decoration: none;
    font-weight: 500;
    margin-left: 0.3rem;
    transition: color 0.2s ease;
}

.link-badge:hover {
    color: var(--link-hover-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --- Ajustes responsivos --- */
@media (max-width: 768px) {
    .comparativa-premium {
        padding: 3rem 1rem;
    }
    
    .comparativa-titulo {
        font-size: 2rem;
    }
    
    .columna-header {
        padding: 1.5rem 1.5rem 0.75rem;
    }
    
    .columna-header h3 {
        font-size: 1.5rem;
    }
    
    .item-caracteristica {
        padding: 1rem 1.5rem;
    }
    
    .columna-footer {
        padding: 1.25rem 1.5rem 1.5rem;
    }
    
    .comparativa-badge {
        flex-wrap: wrap;
        text-align: center;
        padding: 0.75rem 1.2rem;
    }
}

@media (max-width: 480px) {
    .comparativa-titulo {
        font-size: 1.8rem;
    }
    
    .comparativa-subtitulo {
        font-size: 1rem;
    }
    
    .item-caracteristica {
        flex-wrap: wrap;
    }
    
    .tooltip-btn[data-tooltip]:before {
        white-space: normal;
        width: 200px;
        text-align: center;
    }
}