/* ==========================================================================
   SISTEMA DE DISEÑO - BLUE DESIGN WORLDWIDE
   Diagnóstico Cualitativo de Branding Personal
   Tipografía: Plus Jakarta Sans | Estética Tecnológica Sobria & Minimalista
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
    --bg-main: #FFFFFF;
    --bg-surface: #F8FAFC;
    --bg-subtle: #F1F5F9;
    --bg-card: #FFFFFF;
    
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    --text-light: #94A3B8;
    
    --border-light: #E2E8F0;
    --border-hover: #CBD5E1;
    --border-active: #2563EB;

    --brand-blue: #2563EB;
    --brand-blue-dark: #1D4ED8;
    --brand-blue-light: #EFF6FF;
    --brand-navy: #0F172A;

    --color-success: #059669;
    --color-success-bg: #ECFDF5;
    --color-success-border: #A7F3D0;

    --color-warning: #D97706;
    --color-warning-bg: #FFFBEB;
    --color-warning-border: #FDE68A;

    --color-alert: #E11D48;
    --color-alert-bg: #FFF1F2;
    --color-alert-border: #FECDD3;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
    --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.03);
    --shadow-hover: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
    --shadow-active: 0 0 0 3px rgba(37, 99, 235, 0.2);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 280ms cubic-bezier(0.16, 1, 0.3, 1);

    --container-max: 1200px;
    --container-wizard: 840px;
}

/* --- Resets & Base Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    touch-action: manipulation;
}

a, button {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* Enlace Accesible de Salto */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--brand-navy);
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: 20px;
}

/* Visible Focus Outline */
:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 3px;
}

/* --- Header y Navegación --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-smooth);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

/* --- Brand Identity Logo Component --- */
.brand-logo,
.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.brand-logo:hover,
.brand-link:hover {
    opacity: 0.88;
}

.brand-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    flex-shrink: 0;
    background-color: var(--text-primary);
    color: #FFFFFF;
    border-radius: 12px;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.14);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    user-select: none;
}

.brand-logo:hover .brand-logo-mark,
.brand-link:hover .brand-logo-mark {
    transform: scale(1.04);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.22);
}

.brand-logo-text-wrap {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1;
}

.brand-logo-name {
    font-weight: 800;
    font-size: 1.55rem;
    line-height: 1.1;
    letter-spacing: -0.035em;
    color: var(--text-primary);
}

.brand-logo-byline {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    margin-top: 3px;
    line-height: 1.1;
    white-space: nowrap;
}

.main-nav .nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-size: 0.925rem;
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
    padding: 0.4rem 0;
}
.nav-link:hover {
    color: var(--brand-blue);
}
.nav-link.active {
    color: var(--text-primary);
}
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--brand-blue);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 10px 8px;
    cursor: pointer;
    touch-action: manipulation;
    transition: border-color var(--transition-fast);
}
.hamburger-line {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* --- Botones y Componentes Interactivos --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1.2;
    text-align: center;
}

.btn-primary {
    background: var(--brand-navy);
    color: #FFFFFF;
}
.btn-primary:hover {
    background: var(--brand-blue);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #FFFFFF;
    color: var(--text-primary);
    border-color: var(--border-light);
}
.btn-secondary:hover {
    background: var(--bg-surface);
    border-color: var(--border-hover);
    color: var(--brand-blue);
}

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
}
.btn-ghost:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}
.btn-ghost.confirming {
    background: var(--color-alert-bg);
    color: var(--color-alert);
    border-color: var(--color-alert-border);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.95rem 1.8rem;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

/* --- Badges & Tags --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.775rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}
.badge-tech {
    background: var(--brand-blue-light);
    color: var(--brand-blue);
    border: 1px solid rgba(37, 99, 235, 0.15);
}
.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}
.badge-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}
.badge-alert {
    background: var(--color-alert-bg);
    color: var(--color-alert);
    border: 1px solid var(--color-alert-border);
}

/* --- Layout Principal --- */
.site-main {
    flex: 1;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-wizard {
    max-width: var(--container-wizard);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.section-py {
    padding-top: 5rem;
    padding-bottom: 5rem;
}
.section-py-sm {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    padding: 5.5rem 0 4.5rem;
    background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.035) 0%, transparent 70%);
    border-bottom: 1px solid var(--border-light);
    overflow: hidden;
}

.hero-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, rgba(15, 23, 42, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.3rem, 4.5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--text-primary);
    margin: 1.25rem 0 1.5rem;
}

.hero-title .highlight-blue {
    color: var(--brand-blue);
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2.25rem;
    font-weight: 400;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.guarantee-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.guarantee-item svg {
    color: var(--color-success);
}

/* --- Grillas y Tarjetas --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.75rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 2rem;
}

/* Componentes de Metodología */
.methodology-pillars-wrap {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}
.methodology-pillar-card {
    padding: 2.5rem;
}
.methodology-questions-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
}
.methodology-cta-box {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all var(--transition-smooth);
    position: relative;
}
.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--brand-blue-light);
    color: var(--brand-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}
.card-icon svg {
    width: 24px;
    height: 24px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.015em;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Sección Pilares Teaser --- */
.pillars-section {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}
.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-top: 0.75rem;
    margin-bottom: 0.85rem;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.pillar-card {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all var(--transition-smooth);
}
.pillar-card:hover {
    border-color: var(--brand-blue);
    box-shadow: var(--shadow-card);
}
.pillar-number {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--brand-blue);
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

/* --- FORMULARIO / WIZARD INTERACTIVO --- */
.wizard-wrapper {
    padding: 3.5rem 0 5rem;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.7) 0%, #FFFFFF 100%);
    min-height: calc(100vh - 180px);
}

.wizard-card {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

/* Progress Header */
.wizard-progress-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--border-light);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.85rem;
}

.step-counter {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--brand-blue);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.percentage-badge {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.progress-track {
    width: 100%;
    height: 8px;
    background: var(--bg-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 14%;
    background: linear-gradient(90deg, var(--brand-blue) 0%, #3B82F6 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-smooth);
}

/* Wizard Step Content */
.wizard-step {
    display: none;
    animation: fadeInStep 300ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.wizard-step.active {
    display: block;
}

@keyframes fadeInStep {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-headline {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2.25rem;
}
.step-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    background: var(--brand-blue-light);
    color: var(--brand-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}
.step-icon svg {
    width: 28px;
    height: 28px;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
}
.step-description {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Question Box */
.question-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    margin-bottom: 1.75rem;
    transition: border-color var(--transition-fast);
}
.question-item.unanswered {
    border-color: #F87171;
    background: #FFFBFB;
}

.question-label {
    display: block;
    font-size: 1.075rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.45;
    margin-bottom: 0.5rem;
}

.question-context {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

/* Checklist Options (Radio cards) */
.options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.option-card {
    position: relative;
    cursor: pointer;
    user-select: none;
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem 0.75rem;
    background: #FFFFFF;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.option-icon {
    width: 22px;
    height: 22px;
    margin-bottom: 0.35rem;
}

.option-title {
    font-size: 0.925rem;
    font-weight: 700;
    color: var(--text-primary);
}
.option-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.option-card:hover .option-content {
    border-color: var(--brand-blue);
    background: #FAFCFF;
}

.option-card input[type="radio"]:checked + .option-content {
    border-color: var(--brand-blue);
    background: var(--brand-blue-light);
    box-shadow: 0 0 0 1.5px var(--brand-blue);
}
.option-card input[type="radio"]:checked + .option-content .option-title {
    color: var(--brand-blue-dark);
}

/* Wizard Navigation Controls */
.wizard-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 2.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-light);
    gap: 1rem;
    flex-wrap: wrap;
}

.wizard-footer-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.wizard-footer-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.privacy-notice {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* --- PÁGINA DE RESULTADOS / DIAGNÓSTICO --- */
.results-header-card {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-card);
    text-align: center;
}

.results-badge-wrap {
    margin-bottom: 1.25rem;
}

.results-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.results-summary-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.results-actions-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Summary Metrics Bar */
.results-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.overview-box {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.75rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-subtle);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.overview-box:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.overview-count {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}
.overview-label {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* Pillar Status Grid & Minimalist Indicators */
.pillar-status-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    transition: border-color var(--transition-fast);
}
.pillar-status-card:hover {
    border-color: var(--border-hover);
}
.pillar-status-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}
.status-dot.dot-success {
    background-color: var(--color-success);
    box-shadow: 0 0 0 2px var(--color-success-bg);
}
.status-dot.dot-warning {
    background-color: var(--color-warning);
    box-shadow: 0 0 0 2px var(--color-warning-bg);
}
.status-dot.dot-alert {
    background-color: var(--color-alert);
    box-shadow: 0 0 0 2px var(--color-alert-bg);
}
.status-text {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Diagnostic Sections */
.diag-block {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-subtle);
}

.diag-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}
.diag-header-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}
.diag-header-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
}

.diag-items-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.diag-item {
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.diag-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-subtle);
}
.diag-item-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}
.diag-item-pillar {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--brand-blue);
    display: block;
    margin-bottom: 0.35rem;
}
.diag-item-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.diag-item-rec {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.65;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
}
.diag-item-rec strong {
    color: var(--brand-navy);
    font-weight: 700;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: #FFFFFF;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

/* --- FAQ Section (Optimizado para AEO / GEO) --- */
.faq-section {
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-light);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
}
.faq-icon-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
    color: var(--text-muted);
}
.faq-item.open .faq-icon-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}
.faq-item.open .faq-answer {
    display: block;
}

/* --- Footer --- */
.site-footer {
    background: #FFFFFF;
    border-top: 1px solid var(--border-light);
    margin-top: auto;
}

.footer-top {
    padding: 4.5rem 0 3rem;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3.5rem;
}

.footer-brand-col {
    max-width: 480px;
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 1.25rem 0 0;
    line-height: 1.65;
    max-width: 420px;
}

.footer-privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-success);
    background: var(--color-success-bg);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-success-border);
}

.footer-col-title {
    font-size: 0.925rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}
.footer-links a:hover {
    color: var(--brand-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding: 1.5rem 0;
    background: var(--bg-surface);
}

.bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.copyright-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-version-build {
    font-size: 0.825rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    background: var(--brand-navy);
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-hover);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: toastIn 200ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* --- Parallax & Micro-interactions --- */
.parallax-item {
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

/* --- Botón Volver Arriba (Scroll to Top) --- */
.scroll-to-top-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: var(--brand-navy);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.2s ease,
                box-shadow 0.2s ease;
}

.scroll-to-top-btn:hover {
    background: var(--brand-blue);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
    transform: translateY(-2px);
}

.scroll-to-top-btn:active {
    transform: translateY(0) scale(0.95);
}

.scroll-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.scroll-to-top-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.scroll-to-top-btn:hover svg {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .scroll-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* --- Print Stylesheet (@media print) --- */
@media print {
    .site-header,
    .site-footer,
    .results-actions-bar,
    .skip-link,
    .toast-container,
    .scroll-to-top-btn,
    .btn {
        display: none !important;
    }

    body {
        background: #FFFFFF !important;
        color: #000000 !important;
        font-size: 11pt !important;
    }

    .container, .container-wizard {
        max-width: 100% !important;
        padding: 0 !important;
    }

    .results-header-card,
    .diag-block,
    .overview-box {
        box-shadow: none !important;
        border: 1px solid #CCCCCC !important;
        page-break-inside: avoid;
    }

    .overview-count {
        color: #000000 !important;
    }
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
    .footer-brand-col {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-light);
        padding: 1.25rem 1.5rem;
        box-shadow: 0 16px 32px -4px rgba(15, 23, 42, 0.12);
        animation: mobileNavSlideDown 200ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    @keyframes mobileNavSlideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .main-nav.active {
        display: block;
    }

    .main-nav .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
    }

    .main-nav .nav-item {
        width: 100%;
    }

    .main-nav .nav-link {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 1rem;
        font-weight: 600;
        border-radius: var(--radius-sm);
        transition: background-color var(--transition-fast), color var(--transition-fast);
    }

    .main-nav .nav-link:hover,
    .main-nav .nav-link:focus {
        background-color: var(--bg-surface);
        color: var(--brand-blue);
    }

    .main-nav .nav-link.active {
        background-color: var(--brand-blue-light);
        color: var(--brand-blue);
    }

    .main-nav .nav-link.active::after {
        display: none;
    }

    .mobile-toggle {
        display: flex;
        position: relative;
    }

    .mobile-toggle[aria-expanded="true"],
    .mobile-toggle.active {
        border-color: var(--brand-blue);
        background-color: var(--brand-blue-light);
    }

    .mobile-toggle[aria-expanded="true"] .hamburger-line,
    .mobile-toggle.active .hamburger-line {
        background-color: var(--brand-blue);
    }

    .mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(1),
    .mobile-toggle.active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(2),
    .mobile-toggle.active .hamburger-line:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(3),
    .mobile-toggle.active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .btn-nav-cta {
        display: none;
    }

    /* Grillas a columna única para evitar overflow */
    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    /* Espaciados adaptativos en móvil */
    .section-py {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }
    .section-py-sm {
        padding-top: 2.25rem;
        padding-bottom: 2.25rem;
    }
    .hero-section {
        padding: 3.5rem 0 3rem;
    }

    /* Opciones del checklist en fila limpia para móvil */
    .options-grid {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }
    .option-content {
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        text-align: left;
        padding: 0.85rem 1rem;
        gap: 0.85rem;
    }
    .option-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .option-subtitle {
        margin-top: 0;
        margin-left: auto;
    }

    /* Controles de navegación del Wizard en móvil */
    .wizard-footer {
        flex-direction: column-reverse;
        align-items: stretch;
        gap: 1.15rem;
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
    .wizard-footer-right {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0.75rem;
    }
    .wizard-footer-right .btn {
        width: 100%;
    }
    .wizard-footer-right .privacy-notice {
        justify-content: center;
        order: 2;
    }
    .wizard-footer-left {
        justify-content: space-between;
        width: 100%;
    }

    /* Tarjetas de Metodología */
    .methodology-pillar-card {
        padding: 1.6rem 1.25rem;
    }
    .methodology-cta-box {
        padding: 2.25rem 1.25rem;
        margin-top: 2.5rem;
    }

    /* Pantalla de Resultados en móvil */
    .results-overview-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
    .results-header-card {
        padding: 2rem 1.25rem;
        margin-bottom: 1.75rem;
    }
    .results-actions-bar {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    .results-actions-bar .btn {
        width: 100%;
    }
    .diag-block {
        padding: 1.5rem 1.25rem;
    }

    /* Wizard Card en móvil */
    .wizard-card {
        padding: 1.5rem 1.25rem;
    }

    /* Footer en móvil */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .footer-brand-col {
        grid-column: span 1;
    }
    .bottom-flex {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
}

@media (max-width: 960px) {
    .main-nav .nav-list {
        gap: 1.25rem;
    }
    .btn-nav-cta {
        padding: 0.45rem 0.85rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 1040px) {
    .brand-logo-name {
        font-size: 1.35rem;
    }
    .brand-logo-byline {
        font-size: 0.65rem;
    }
    .brand-logo-mark {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        border-radius: 10px;
    }
}

@media (max-width: 768px) {
    .brand-logo-name {
        font-size: 1.25rem;
    }
    .brand-logo-byline {
        font-size: 0.65rem;
    }
    .brand-logo-mark {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
        border-radius: 9px;
    }
}

@media (max-width: 480px) {
    .brand-logo {
        gap: 0.6rem;
    }
    .brand-logo-name {
        font-size: 1.05rem;
    }
    .brand-logo-byline {
        font-size: 0.58rem;
    }
    .brand-logo-mark {
        width: 34px;
        height: 34px;
        font-size: 0.8rem;
        border-radius: 8px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 7vw, 2.2rem);
    }
    .hero-subtitle {
        font-size: 1.025rem;
        margin-bottom: 1.75rem;
    }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
        gap: 0.85rem;
    }
    .hero-ctas .btn {
        width: 100%;
    }
    .hero-guarantee {
        flex-direction: column;
        gap: 0.65rem;
    }
    .card {
        padding: 1.25rem;
    }
    .wizard-card {
        padding: 1.25rem 1rem;
    }
    .step-headline {
        gap: 0.85rem;
    }
    .step-icon {
        width: 42px;
        height: 42px;
    }
    .step-icon svg {
        width: 22px;
        height: 22px;
    }
    .step-title {
        font-size: 1.25rem;
    }
    .question-item {
        padding: 1.25rem 1rem;
    }
    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
    .toast {
        max-width: 100%;
        width: 100%;
    }
}

/* Accesibilidad y Rendimiento: Respeto a Preferencia de Movimiento Reducido */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}