/* ============================================
   ETI - ESTRATEGIA TRIBUTARIA INTELIGENTE
   Landing Decreto 1474/2025
   Stylesheet Principal
   ============================================ */

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

:root {
    /* Colores marca JCR/ETI */
    --color-primary: #2C5F8D;        /* Azul institucional */
    --color-secondary: #34495E;      /* Gris oscuro */
    --color-accent: #E67E22;         /* Acento naranja */
    
    /* Colores complementarios */
    --color-primary-light: #4A8BC2;
    --color-primary-dark: #1A3A5C;
    --color-gray-light: #F8F9FA;
    --color-gray-medium: #BDC3C7;
    --color-white: #FFFFFF;
    --color-black: #2C3E50;
    --color-text: #2C3E50; /* Color de texto principal */
    
    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espaciado mejorado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --spacing-xxl: 6rem;
    
    /* Sombras profesionales mejoradas */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.20);
    --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.06);
    
    /* Border radius mejorado */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-black);
    background-color: #FAFBFC;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === HEADER === */
.header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.75rem 0;
    transition: all var(--transition-base);
}

.header:hover {
    box-shadow: 0 3px 20px rgba(0,0,0,0.11);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo svg {
    height: auto;
    max-height: 70px;
    width: auto;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1.5px;
}

.logo-tagline {
    font-size: 0.7rem;
    color: var(--color-secondary);
    font-weight: 500;
    margin-top: -3px;
}

.nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
    font-size: 0.9rem;
    position: relative;
    padding: 0.35rem 0;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: width var(--transition-base);
}

.nav a:hover {
    color: var(--color-primary);
}

.nav a:hover::after {
    width: 100%;
}

/* === HERO + SIMULADOR === */
.hero-simulador {
    background: linear-gradient(135deg, #1e3a5a 0%, #2C5F8D 50%, #1A3A5C 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-simulador::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(74, 139, 194, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(230, 126, 34, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-content {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
    animation: fadeInUp 0.8s ease;
}

.hero-content h2 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: var(--font-weight-regular);
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
    letter-spacing: 0.01em;
    animation: fadeInUp 0.8s ease 0.2s both;
    color: #FFFFFF;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    max-width: 750px;
    margin: 0 auto;
    opacity: 0.92;
    line-height: 1.8;
    color: var(--color-white);
    font-weight: var(--font-weight-regular);
    animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === SIMULADOR === */
.simulador-box {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.1);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.simulador-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 72px rgba(0,0,0,0.3), 0 0 0 1px rgba(255,255,255,0.15);
}

.simulador-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.simulador-header h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.01em;
}

.simulador-base-legal {
    font-size: 0.9rem;
    color: var(--color-secondary);
    font-style: italic;
}

.simulador-body {
    color: var(--color-black);
}

.simulador-description {
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
    line-height: 1.7;
}

.simulador-input-group {
    margin-bottom: var(--spacing-md);
}

.simulador-input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.simulador-input-group input {
    width: 100%;
    padding: 1.25rem var(--spacing-md);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    transition: all var(--transition-base);
    background: var(--color-white);
    box-shadow: var(--shadow-inner);
}

.simulador-input-group input::placeholder {
    color: #94A3B8;
    opacity: 0.6;
    font-weight: var(--font-weight-regular);
}

.simulador-input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(44, 95, 141, 0.1), var(--shadow-inner);
    transform: scale(1.01);
}

.simulador-input-group input:focus::placeholder {
    opacity: 0.4;
}

.simulador-resultado {
    background: linear-gradient(135deg, #F8F9FA 0%, #ECF0F1 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(44, 95, 141, 0.1);
    box-shadow: var(--shadow-sm);
}

.resultado-header {
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.resultado-calculo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.resultado-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.resultado-item.resultado-final {
    border-top: 2px solid var(--color-primary);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.resultado-label {
    font-weight: 500;
    color: var(--color-secondary);
}

.resultado-valor {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.resultado-final .resultado-valor {
    font-size: 1.75rem;
    color: var(--color-accent);
}

.simulador-disclaimer {
    background-color: #FFF3CD;
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.simulador-disclaimer strong {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
}

.simulador-disclaimer strong i {
    font-size: 1.25rem;
    opacity: 0.9;
}

.simulador-disclaimer ul {
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.simulador-disclaimer li {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* === TIMELINE COMPACTO === */
.timeline-compacto {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    color: var(--color-white);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    position: relative;
    z-index: 1;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.timeline-icon {
    font-size: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.timeline-icon i {
    color: var(--color-white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.timeline-item:hover .timeline-icon {
    transform: scale(1.2);
    color: var(--color-accent);
}

.timeline-item:hover .timeline-icon i {
    color: var(--color-accent);
}

.timeline-text {
    font-size: 0.95rem;
}

.timeline-text strong {
    font-weight: 700;
    font-size: 1.1rem;
}

.timeline-ref {
    font-size: 0.8rem;
    opacity: 0.8;
    font-style: italic;
    margin-left: var(--spacing-xs);
}

.timeline-contador {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--color-accent) 0%, #D35400 100%);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(230, 126, 34, 0.4);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-contador:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 32px rgba(230, 126, 34, 0.5);
}

.contador-numero {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.contador-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* === SECCIONES GENERALES === */
section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

section h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.seccion-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg) auto;
    color: var(--color-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* === DISCLAIMER NORMATIVO GENERAL === */
.disclaimer-normativo-general {
    background: linear-gradient(135deg, rgba(44, 95, 141, 0.05) 0%, rgba(26, 58, 92, 0.05) 100%);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(44, 95, 141, 0.1);
    border-bottom: 1px solid rgba(44, 95, 141, 0.1);
}

.disclaimer-box {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
}

.disclaimer-text {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
    font-weight: 500;
}

/* === ¿QUÉ ES? === */
.seccion-que-es {
    background-color: var(--color-white);
}

.contenido-tecnico {
    max-width: 900px;
    margin: 0 auto;
}

.contenido-tecnico h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.contenido-tecnico p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contenido-tecnico ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.contenido-tecnico li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.marco-legal {
    background: linear-gradient(135deg, #F8F9FA 0%, #ECF0F1 100%);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(44, 95, 141, 0.1);
}

.marco-legal h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

/* === TIMELINE VISUAL === */
.seccion-timeline {
    background: linear-gradient(180deg, #F8F9FA 0%, #ECF0F1 100%);
}

.timeline-visual {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-lg);
}

.timeline-hito {
    display: grid;
    grid-template-columns: 150px 60px 1fr;
    gap: var(--spacing-md);
    align-items: start;
}

.hito-fecha {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-sm);
    border-radius: var(--radius-lg);
    text-align: center;
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(44, 95, 141, 0.3);
    letter-spacing: 0.02em;
}

.hito-icono {
    font-size: 2.5rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.hito-icono i {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(44, 95, 141, 0.2));
}

.timeline-hito:hover .hito-icono {
    transform: scale(1.1);
    color: var(--color-accent);
}

.hito-contenido {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(44, 95, 141, 0.1);
}

.hito-contenido:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hito-contenido h3 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.hito-contenido p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.hito-ref {
    font-size: 0.85rem;
    color: var(--color-secondary);
    font-style: italic;
}

/* === CASOS ILUSTRATIVOS (ACCORDION) === */
.seccion-casos {
    background-color: var(--color-white);
}

.caso-accordion-item {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.caso-accordion-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.caso-accordion-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: background 0.3s ease;
}

.caso-accordion-header:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.caso-numero {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    width: fit-content;
}

.caso-accordion-header h3 {
    font-size: 1.3rem;
    margin: 0;
    padding-right: 40px;
}

.caso-accordion-icono {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.75rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.caso-accordion-item.active .caso-accordion-icono {
    transform: translateY(-50%) rotate(45deg);
}

.caso-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 var(--spacing-lg);
}

.caso-accordion-item.active .caso-accordion-content {
    max-height: 3000px;
    padding: var(--spacing-lg);
}

.caso-marco-legal,
.caso-perfil,
.caso-situacion,
.caso-analisis,
.caso-consideraciones {
    margin-bottom: var(--spacing-md);
}

.caso-marco-legal strong,
.caso-perfil strong,
.caso-situacion strong,
.caso-analisis strong,
.caso-consideraciones strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.caso-marco-legal ul,
.caso-consideraciones ul {
    margin-left: var(--spacing-md);
}

.caso-marco-legal li,
.caso-consideraciones li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.caso-numeros {
    background-color: var(--color-gray-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.caso-calculo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.calculo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
}

.calculo-item.resultado {
    border-top: 2px solid var(--color-primary);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.calculo-item span {
    color: var(--color-secondary);
    font-weight: 500;
}

.calculo-item strong {
    color: var(--color-primary);
    font-size: 1.25rem;
}

.calculo-item.resultado strong {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.caso-disclaimer {
    background-color: #FFF3CD;
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.6;
}

.caso-disclaimer i {
    color: var(--color-accent);
    font-size: 1.25rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
    opacity: 0.9;
}

/* === PROCESO === */
.seccion-proceso {
    background: linear-gradient(180deg, #ECF0F1 0%, #F8F9FA 100%);
}

.proceso-pasos {
    max-width: 900px;
    margin: 0 auto;
}

.paso {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.paso-numero {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    box-shadow: 0 8px 24px rgba(44, 95, 141, 0.3);
    transition: all var(--transition-base);
    position: relative;
}

.paso-numero::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.paso:hover .paso-numero {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(44, 95, 141, 0.4);
}

.paso:hover .paso-numero::before {
    opacity: 0.3;
}

.paso-contenido {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(44, 95, 141, 0.1);
}

.paso-contenido:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.paso-contenido h3 {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.paso-contenido p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.paso-requisitos {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}

.paso-requisitos strong {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.paso-requisitos ul {
    margin-left: var(--spacing-md);
}

.paso-requisitos li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* === FAQs === */
.seccion-faqs {
    background-color: var(--color-white);
}

.faq-categoria {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl) auto;
}

.faq-categoria-titulo {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-primary);
}

.faq-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-medium);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.faq-pregunta {
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-pregunta:hover {
    background-color: var(--color-gray-light);
}

.faq-icono {
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icono {
    transform: rotate(45deg);
}

.faq-respuesta {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 var(--spacing-md);
}

.faq-item.active .faq-respuesta {
    max-height: 1000px;
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
}

.faq-respuesta p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.faq-respuesta ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.faq-respuesta li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* === PROFESIONALES === */
.seccion-profesionales {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.seccion-profesionales h2 {
    color: var(--color-white);
}

.profesionales-box {
    max-width: 1000px;
    margin: 0 auto;
}

.profesionales-contenido {
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.profesionales-intro {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.profesionales-contenido h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.profesionales-casos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.caso-prof {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.caso-prof-icono {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.caso-prof-icono i {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 8px rgba(230, 126, 34, 0.3));
}

.caso-prof:hover .caso-prof-icono {
    transform: scale(1.15) rotate(5deg);
    color: var(--color-white);
}

.caso-prof strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.caso-prof p {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.5;
}

.profesionales-beneficios {
    margin-bottom: var(--spacing-lg);
}

.profesionales-beneficios h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.profesionales-beneficios ul {
    list-style: none;
}

.profesionales-beneficios li {
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
    line-height: 1.6;
}

.profesionales-mensaje {
    background-color: rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.mensaje-destacado {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.profesionales-cta {
    text-align: center;
}

.btn-profesionales {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-profesionales:hover {
    background-color: #D35400;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* === CONTACTO === */
.seccion-contacto {
    background: linear-gradient(180deg, #F8F9FA 0%, #ECF0F1 100%);
}

.contacto-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg) auto;
    font-size: 1.1rem;
    line-height: 1.7;
}

.formulario-alcance-disclaimer {
    max-width: 900px;
    margin: 0 auto var(--spacing-md) auto;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.08) 0%, rgba(230, 126, 34, 0.04) 100%);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
}

.alcance-text {
    color: var(--color-text);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

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

.formulario-contacto {
    max-width: 900px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(255,255,255,0.98) 0%, rgba(248,249,250,0.98) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12), 0 0 0 1px rgba(44, 95, 141, 0.08);
    border: 1px solid rgba(44, 95, 141, 0.1);
}

.form-section {
    margin-bottom: var(--spacing-lg);
}

.form-section-title {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-gray-light);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--color-white);
    box-shadow: var(--shadow-xs);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(44, 95, 141, 0.1), var(--shadow-sm);
    transform: translateY(-1px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.radio-label:hover {
    background-color: var(--color-gray-light);
}

.radio-label input[type="radio"] {
    width: auto;
    cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
    font-weight: 600;
    color: var(--color-primary);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.checkbox-group-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 1.25rem var(--spacing-md);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 8px 24px rgba(44, 95, 141, 0.3);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(44, 95, 141, 0.4);
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:active {
    transform: translateY(-1px);
}

.form-mensaje {
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-gray-light);
    border-radius: var(--radius-md);
}

.mensaje-icono {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.mensaje-icono i {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(44, 95, 141, 0.2));
}

.form-mensaje:hover .mensaje-icono {
    transform: scale(1.1);
    color: var(--color-accent);
}

.form-mensaje p {
    line-height: 1.6;
}

/* === FOOTER === */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.footer-contenido {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-logo .logo-text {
    color: var(--color-white);
}

.footer-tagline {
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
    opacity: 0.9;
}

.footer-pivot {
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
    opacity: 0.7;
}

.footer-contacto h4 {
    margin-bottom: var(--spacing-md);
}

.footer-contacto p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.footer-contacto a {
    color: var(--color-white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contacto a:hover {
    color: var(--color-accent);
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg) auto;
}

.footer-disclaimer h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.footer-disclaimer p {
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.9;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .hero-content h2 {
        font-size: 1.25rem;
    }
    
    .timeline-compacto {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .timeline-hito {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hito-fecha {
        justify-self: center;
    }
    
    .paso {
        grid-template-columns: 1fr;
    }
    
    .paso-numero {
        justify-self: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .profesionales-casos {
        grid-template-columns: 1fr;
    }
    
    .footer-contenido {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* === UTILIDADES === */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }