/* ============================================
   VARIABLES Y CONFIGURACIÓN BASE
   ============================================ */
:root {
    /* Colores principales */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-bg-card: #1a1a24;
    --color-bg-input: #0d0d12;
    
    /* Acentos */
    --color-primary: #6366f1;
    --color-primary-soft: rgba(99, 102, 241, 0.15);
    --color-primary-glow: rgba(99, 102, 241, 0.4);
    --color-secondary: #22d3ee;
    --color-secondary-soft: rgba(34, 211, 238, 0.15);
    
    /* Estados */
    --color-success: #10b981;
    --color-success-soft: rgba(16, 185, 129, 0.15);
    --color-warning: #f59e0b;
    --color-warning-soft: rgba(245, 158, 11, 0.15);
    
    /* Texto */
    --color-text: #f1f5f9;
    --color-text-soft: #94a3b8;
    --color-text-muted: #64748b;
    
    /* Bordes */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Tipografía */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Bordes redondeados */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ============================================
   RESET Y BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Noise overlay para textura */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) var(--space-xl);
    background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 100%);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-tag {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary-soft);
    border-radius: var(--radius-sm);
}

.header-bloom {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   CONTAINER Y SECCIONES
   ============================================ */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: calc(80px + var(--space-2xl)) var(--space-xl) var(--space-3xl);
}

.section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid var(--color-border);
}

.section.active {
    opacity: 1;
    transform: translateY(0);
}

.section.locked {
    display: none;
}

.section.locked.reveal {
    display: block;
    animation: revealSection 0.6s ease forwards;
}

@keyframes revealSection {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    opacity: 0.7;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
.main-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--color-primary);
    font-style: italic;
}

.highlight-alt {
    color: var(--color-text-muted);
    text-decoration: line-through;
    text-decoration-color: var(--color-warning);
}

.subtitle {
    font-size: 1.125rem;
    color: var(--color-text-soft);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    color: var(--color-text-soft);
    margin-bottom: var(--space-xl);
}

/* ============================================
   INPUTS Y FORMULARIOS
   ============================================ */
.input-container {
    margin-bottom: var(--space-xl);
}

.input-container label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-soft);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

textarea {
    width: 100%;
    padding: var(--space-lg);
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea::placeholder {
    color: var(--color-text-muted);
}

textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

/* ============================================
   BLOOM HINTS
   ============================================ */
.bloom-hint {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: var(--color-text-soft);
    line-height: 1.6;
}

.bloom-hint.warning {
    border-left-color: var(--color-warning);
    background: var(--color-warning-soft);
}

.bloom-hint.success {
    border-left-color: var(--color-success);
    background: var(--color-success-soft);
}

.bloom-hint strong {
    color: var(--color-text);
}

.bloom-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.bloom-micro-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    font-style: italic;
}

/* ============================================
   BOTONES
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--space-xl);
}

.btn-primary:hover {
    background: #5558e3;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-primary-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--space-md);
}

.btn-secondary:hover {
    background: var(--color-primary-soft);
}

.btn-download {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.btn-download:hover {
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3);
}

/* ============================================
   SECCIÓN 2: COMPARACIÓN
   ============================================ */
.comparison-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.original-box, .ai-response-box {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    position: relative;
}

.original-box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.ai-response-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.box-label {
    position: absolute;
    top: calc(-0.5em);
    left: var(--space-lg);
    background: var(--color-bg);
    padding: 0 var(--space-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.ai-response-content {
    color: var(--color-text-soft);
    line-height: 1.7;
}

.arrow-connector {
    display: flex;
    justify-content: center;
    color: var(--color-text-muted);
}

.time-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-warning-soft);
    color: var(--color-warning);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1.25rem;
    margin: 0 var(--space-xs);
}

.reflection-prompt {
    text-align: center;
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
}

.reflection-question {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.reflection-emphasis {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text);
}

/* ============================================
   SECCIÓN 3: GUÍA
   ============================================ */
.guide-questions {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.guide-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.guide-card:hover {
    border-color: var(--color-border-hover);
}

.guide-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.guide-number {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
}

.bloom-tag {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-secondary-soft);
    border-radius: var(--radius-sm);
}

.guide-card label {
    display: block;
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}

.guide-card textarea {
    background: var(--color-bg-input);
}

/* ============================================
   SECCIÓN 4: TRANSFORMACIÓN
   ============================================ */
.transform-container {
    margin-bottom: var(--space-xl);
}

.before-after {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-lg);
    align-items: start;
}

@media (max-width: 640px) {
    .before-after {
        grid-template-columns: 1fr;
    }
    
    .transform-arrow {
        transform: rotate(90deg);
        justify-self: center;
    }
}

.before, .after {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

.before {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    opacity: 0.7;
}

.before p {
    text-decoration: line-through;
    color: var(--color-text-muted);
}

.after {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(34, 211, 238, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.transform-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

.transform-arrow {
    display: flex;
    align-items: center;
    font-size: 2rem;
    color: var(--color-text-muted);
    padding-top: var(--space-2xl);
}

.after textarea {
    background: transparent;
    border: 1px dashed rgba(16, 185, 129, 0.3);
}

.after textarea:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px var(--color-success-soft);
}

/* ============================================
   SECCIÓN 5: FEEDBACK
   ============================================ */
.feedback-container {
    margin-bottom: var(--space-xl);
}

.feedback-box {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    min-height: 150px;
}

.feedback-content {
    color: var(--color-text-soft);
    line-height: 1.8;
}

.feedback-content strong {
    color: var(--color-text);
}

.feedback-content ul {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.feedback-content li {
    margin-bottom: var(--space-sm);
}

.loading-feedback {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-muted);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.iteration-prompt {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
}

.iteration-prompt p {
    margin-bottom: var(--space-md);
    color: var(--color-text-soft);
}

/* ============================================
   SECCIÓN 6: REFLEXIÓN FINAL
   ============================================ */
.final-comparison {
    margin-bottom: var(--space-2xl);
}

.journey-visual {
    display: flex;
    align-items: stretch;
    gap: var(--space-lg);
}

@media (max-width: 640px) {
    .journey-visual {
        flex-direction: column;
    }
    
    .journey-arrow {
        transform: rotate(90deg);
        align-self: center;
    }
}

.journey-step {
    flex: 1;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
}

.journey-step.original {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.journey-step.transformed {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(34, 211, 238, 0.15));
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.journey-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.journey-step p {
    flex: 1;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.bloom-level-tag {
    align-self: flex-start;
    font-size: 0.7rem;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-warning-soft);
    color: var(--color-warning);
    border-radius: var(--radius-sm);
}

.bloom-level-tag.elevated {
    background: var(--color-success-soft);
    color: var(--color-success);
}

.journey-arrow {
    display: flex;
    align-items: center;
    color: var(--color-text-muted);
}

/* Metacognición Box */
.metacognition-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.meta-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.meta-icon {
    font-size: 1.5rem;
}

.meta-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-text);
}

.meta-questions {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.meta-question label {
    display: block;
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.meta-footer {
    font-size: 0.875rem;
    color: var(--color-text-soft);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-author {
    margin-top: var(--space-sm);
    color: var(--color-text-soft);
}

/* ============================================
   UTILIDADES
   ============================================ */
.hidden {
    display: none !important;
}

/* Animación de typing para respuesta de IA */
@keyframes typing {
    from { opacity: 0; }
    to { opacity: 1; }
}

.typing-effect span {
    opacity: 0;
    animation: typing 0.05s ease forwards;
}

/* ============================================
   SECCIÓN INTRO - FRAMEWORK
   ============================================ */
.intro-section {
    text-align: center;
    padding-top: var(--space-xl);
}

.intro-header {
    margin-bottom: var(--space-lg);
}

.intro-badge {
    display: inline-block;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.intro-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.intro-lead {
    font-size: 1.125rem;
    color: var(--color-text-soft);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
}

.intro-problem,
.intro-solution {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    text-align: left;
}

.intro-problem {
    border-left: 3px solid var(--color-warning);
}

.intro-solution {
    border-left: 3px solid var(--color-success);
}

.problem-header,
.solution-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.problem-icon,
.solution-icon {
    font-size: 1.25rem;
}

.problem-title,
.solution-title {
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.problem-title {
    color: var(--color-warning);
}

.solution-title {
    color: var(--color-success);
}

.intro-problem p,
.intro-solution p {
    color: var(--color-text-soft);
    line-height: 1.6;
    margin: 0;
}

.intro-problem p strong,
.intro-solution p strong {
    color: var(--color-text);
}

.intro-pillars {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: var(--space-2xl) 0;
}

@media (min-width: 600px) {
    .intro-pillars {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-lg);
    }
}

.pillar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-bg-elevated);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.pillar-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.pillar-text {
    color: var(--color-text-soft);
    font-size: 0.9375rem;
}

.pillar-text strong {
    color: var(--color-text);
}

.intro-cta {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-xl);
    font-style: italic;
}

.btn-comenzar {
    padding: var(--space-md) var(--space-2xl);
    font-size: 1.125rem;
}