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

/* Variables refinadas */
:root {
    /* Colores */
    --color-primary: #1a237e;
    --color-primary-light: #534bae;
    --color-primary-dark: #000051;
    --color-accent: #64b5f6;
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    --color-neutral: #2c3e50;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(-45deg, var(--color-primary), var(--color-primary-dark));
    --gradient-accent: linear-gradient(120deg, var(--color-primary-light), var(--color-accent));
    
    /* Sombras */
    --shadow-soft: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-medium: 0 6px 12px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Bordes */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;

    /* Marco teórico */
    --theory-spacing-section: 6rem;
    --theory-spacing-component: 3rem;
    --theory-border-thickness: 4px;
    
    /* Paleta extendida para teoremas */
    --theory-axiom: #1a237e;
    --theory-theorem: #0d47a1;
    --theory-proof: #283593;
    --theory-definition: #303f9f;
    --theory-corollary: #3949ab;
    
    /* Gradientes temáticos */
    --gradient-theorem: linear-gradient(135deg, var(--theory-theorem), var(--theory-proof));
    --gradient-definition: linear-gradient(135deg, var(--theory-definition), var(--theory-corollary));
}

/* Portal Teórico */
.theoretical-portal {
    min-height: 100vh;
    background: var(--gradient-primary);
    color: #fff;
    position: relative;
    overflow: hidden;
    display: flex; /* MAGIA POTAGIA: Flexbox para centrado */
    align-items: center; /* CENTRADO VERTICAL PERFECTO */
    justify-content: center; /* CENTRADO HORIZONTAL */
    padding: 2rem; /* Padding uniforme */
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    width: 100%; /* Ancho completo disponible */
    position: relative;
    z-index: 1;
    /* El padding se maneja en el contenedor padre */
}

.portal-intro {
    grid-column: 1 / -1;
    text-align: center;
    margin-bottom: 2rem;
}

.portal-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
    font-family: 'Cinzel', serif;
}

.portal-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.theory-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    color: white;
    display: block;
}

.theory-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.section-number {
    font-size: 4rem;
    font-weight: 900;
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: 'Cinzel', serif;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.section-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.section-preview {
    font-family: 'Cinzel', serif;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
    margin-top: 1rem;
    font-size: 0.9rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    color: white;
    margin-bottom: 1rem;
    font-family: 'Cinzel', serif;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* Secciones principales */
.section {
    padding: 4rem 2rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Cards y contenedores */
.axiom-card {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 2rem;
}

.axiom-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

/* Número romano del axioma */
.axiom-number {
    font-family: 'Cinzel', serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    opacity: 0.15;
    transform: rotate(5deg);
    transition: all 0.3s ease;
}

.axiom-card:hover .axiom-number {
    opacity: 0.25;
    transform: rotate(0deg) scale(1.1);
}

/* Contenedores de fórmulas */
.formula-container {
    background: linear-gradient(to right, #f8f9fa, #ffffff);
    border-radius: var(--border-radius-sm);
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.formula-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0.7;
}

/* Leyenda de fórmulas */
.formula-legend {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    border-left: 3px solid var(--color-primary);
    box-shadow: var(--shadow-soft);
}

.formula-legend-title {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.legend-item {
    display: flex;
    align-items: baseline;
    margin: 0.5rem 0;
    gap: 0.5rem;
}

.symbol {
    font-family: 'Times New Roman', serif;
    font-style: italic;
    color: var(--color-primary);
    min-width: 2rem;
}

.description {
    color: var(--neutral);
    line-height: 1.4;
}

/* Grids */
.implications-grid, 
.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

/* Cards específicas */
.implication-card,
.property-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-soft);
}

.concept-card, 
.crisis-card, 
.conclusion-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    margin-bottom: 2rem;
}

/* Variantes de fórmula */
.formula-container.spotlight {
    background: linear-gradient(to right, rgba(26, 35, 126, 0.05), rgba(26, 35, 126, 0.02));
    border-left: 4px solid var(--color-primary);
}

.formula-container.alert {
    background: linear-gradient(to right, rgba(231, 76, 60, 0.05), rgba(231, 76, 60, 0.02));
    border-left: 4px solid var(--color-danger);
}

.formula-container.solution {
    background: linear-gradient(to right, rgba(39, 174, 96, 0.05), rgba(39, 174, 96, 0.02));
    border-left: 4px solid var(--color-success);
}

.formula-mini {
    font-size: 0.9em;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-sm);
    margin: 0.5rem 0;
}

/* Citaciones épicas */
.epic-quote {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    color: var(--color-primary);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem 2rem;
    margin: 1.5rem 0;
    position: relative;
    background: linear-gradient(to right, rgba(26, 35, 126, 0.05), transparent);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

/* Mission statement */
.mission-statement {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin: 1.5rem 0;
    line-height: 1.8;
}

/* Scroll top button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--color-primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-medium);
    z-index: 1000;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

/* Tooltips */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    padding: 0.75rem 1rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    width: max-content;
    max-width: 250px;
    box-shadow: var(--shadow-medium);
    z-index: 1000;
}

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-5px);
}

/* Efecto de partículas en hero */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(2px 2px at 40px 60px, rgba(255,255,255,0.15), transparent),
        radial-gradient(2px 2px at 20% 20%, rgba(255,255,255,0.1), transparent),
        radial-gradient(2px 2px at 30% 70%, rgba(255,255,255,0.13), transparent);
    animation: particleAnimation 15s linear infinite;
}

@keyframes particleAnimation {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(50%) rotate(45deg); }
}

/* Animaciones */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navegación de secciones */
.nav-dots {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 10;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot.active {
    background: white;
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Media queries */
@media (max-width: 992px) {
    .theoretical-portal {
        padding: 1rem; /* Padding reducido en tablet */
        min-height: calc(100vh - 72px); /* Ajuste para navegación fija */
    }
    
    .portal-grid {
        grid-template-columns: 1fr;
        /* El padding ahora se maneja en theoretical-portal */
    }

    .theory-section {
        padding: 1.5rem;
    }

    .section-number {
        font-size: 3rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .nav-dots {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .axiom-number {
        font-size: 3rem;
        top: 0.5rem;
        right: 1rem;
    }
    
    .implications-grid,
    .properties-grid {
        grid-template-columns: 1fr;
    }
    
    .epic-quote {
        font-size: 1.25rem;
        padding: 1.25rem;
    }
    
    .mission-statement {
        font-size: 1.1rem;
    }

    .formula-legend {
        padding: 1rem;
    }

    .portal-title {
        font-size: 2rem;
    }

    .portal-subtitle {
        font-size: 1rem;
    }

    .theory-section {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .theoretical-portal {
        padding: 0.5rem; /* Padding mínimo en móvil */
        min-height: calc(100vh - 65px); /* Ajuste para navegación fija móvil */
    }
    
    .portal-grid {
        /* El padding ahora se maneja en theoretical-portal */
    }

    .theory-section {
        padding: 1rem;
    }

    .section-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .section-description {
        font-size: 0.9rem;
    }

    .section-preview {
        font-size: 0.8rem;
    }
}

/* Reducción de animaciones para preferencias de usuario */
@media (prefers-reduced-motion: reduce) {
    .hero::before,
    .fade-in,
    .scroll-top,
    .axiom-card,
    [data-tooltip]::before,
    .theory-section,
    .formula-container,
    .proof-step,
    .nav-dot {
        animation: none;
        transition: none;
    }
}

/* Mejoras de accesibilidad */
.theory-section:focus {
    outline: 2px solid white;
    outline-offset: -2px;
}

.theory-section:focus:not(:focus-visible) {
    outline: none;
}

.nav-dot:focus {
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Títulos de las secciones teóricas en portal.php con contraste mejorado */
.theoretical-portal .theory-section .section-title,
.theoretical-portal .theory-section h2.section-title {
    color: #ffffff !important;
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5) !important;
    font-weight: 600 !important;
}