/* ==========================================================================
   HOJA DE ESTILOS - UNIDAD DE INVESTIGACIÓN IINTECA 2026
   IESTP Carlos Salazar Romero
   
   Paleta de colores institucional:
   - Primario: #0058ab (Azul institucional)
   - Secundario: #e3000f (Rojo - acento)
   - Terciario: #ffee00 (Amarillo - destaque)
   - Base: #F7F8FA (Fondo gris claro)
   - Primary-light: #dbeafe (Azul claro)
   
   Convención de nombres:
   - Prefijo: csr- (Carlos Salazar Romero)
   - Metodología: BEM (Block__Element--Modifier)
   ========================================================================== */

/* ==========================================================================
   1. VARIABLES CSS
   ========================================================================== */
:root {
    /* Colores institucionales */
    --csr-color-primary: #0058ab;
    --csr-color-primary-light: #dbeafe;
    --csr-color-primary-dark: #003d7a;
    
    --csr-color-secondary: #e3000f;
    --csr-color-secondary-light: #ff4d4d;
    --csr-color-secondary-dark: #b3000c;
    
    --csr-color-tertiary: #ffee00;
    --csr-color-tertiary-dark: #E6DD00;
    
    /* Colores neutros */
    --csr-color-white: #ffffff;
    --csr-color-base: #F7F8FA;
    --csr-color-light: #f8f9fa;
    --csr-color-lighter: #e9ecef;
    --csr-color-gray: #6c757d;
    --csr-color-gray-light: #adb5bd;
    --csr-color-dark: #212529;
    --csr-color-dark-soft: #343a40;
    
    /* Colores de apoyo para áreas */
    --csr-color-success: #2a9d8f;
    --csr-color-teal: #14b8a6;
    --csr-color-purple: #8b5cf6;
    --csr-color-orange: #f97316;
    --csr-color-green: #22c55e;
    
    /* Tipografía */
    --csr-font-heading: 'Poppins', sans-serif;
    --csr-font-body: 'Inter', sans-serif;
    
    /* Espaciado */
    --csr-spacing-xs: 0.25rem;
    --csr-spacing-sm: 0.5rem;
    --csr-spacing-md: 1rem;
    --csr-spacing-lg: 1.5rem;
    --csr-spacing-xl: 2rem;
    --csr-spacing-xxl: 3rem;
    --csr-spacing-xxxl: 5rem;
    
    /* Bordes y sombras */
    --csr-radius-sm: 4px;
    --csr-radius-md: 8px;
    --csr-radius-lg: 12px;
    --csr-radius-xl: 20px;
    --csr-radius-full: 9999px;
    --csr-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --csr-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
    --csr-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --csr-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Transiciones */
    --csr-transition-fast: 0.2s ease;
    --csr-transition-normal: 0.3s ease;
    
    /* Anchos máximos */
    --csr-container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--csr-font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--csr-color-dark);
    background-color: var(--csr-color-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--csr-font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--csr-color-primary-dark);
}

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

a:hover {
    color: var(--csr-color-secondary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ==========================================================================
   3. UTILIDADES
   ========================================================================== */
.csr-container {
    width: 100%;
    max-width: var(--csr-container-max);
    margin: 0 auto;
    padding: 0 var(--csr-spacing-lg);
}

.csr-grid {
    display: grid;
    gap: 1.5rem;
}

.csr-grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ==========================================================================
   4. TOPBAR
   ========================================================================== */
.csr-topbar {
    background-color: var(--csr-color-primary-dark);
    color: var(--csr-color-white);
    font-size: 0.85rem;
    padding: 0.5rem 0;
}

.csr-topbar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.csr-topbar__contact {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.csr-topbar__contact span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.csr-topbar__contact i {
    color: var(--csr-color-tertiary);
}

.csr-topbar__social {
    display: flex;
    gap: 0.6rem;
}

.csr-topbar__social a {
    color: var(--csr-color-white);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--csr-radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--csr-transition-fast);
}

.csr-topbar__social a:hover {
    background-color: var(--csr-color-secondary);
    transform: translateY(-2px);
    color: var(--csr-color-white);
}

/* ==========================================================================
   4. HEADER Y NAVEGACIÓN
   ========================================================================== */
.csr-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--csr-color-white);
    box-shadow: var(--csr-shadow-md);
}

.csr-nav {
    padding: 0.8rem 0;
}

.csr-nav__wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.csr-nav__logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--csr-color-primary-dark);
    font-weight: 600;
}

.csr-nav__logo:hover {
    color: var(--csr-color-primary);
}

.csr-nav__logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-secondary));
    color: var(--csr-color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--csr-radius-md);
    font-size: 1.3rem;
}

.csr-nav__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.csr-nav__logo-text small {
    font-size: 0.75rem;
    color: var(--csr-color-gray);
    font-weight: 400;
}

.csr-nav__menu {
    display: flex;
    gap: 0.2rem;
    align-items: center;
}

.csr-nav__link {
    padding: 0.6rem 0.8rem;
    border-radius: var(--csr-radius-md);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--csr-color-dark-soft);
    transition: all var(--csr-transition-fast);
    white-space: nowrap;
}

.csr-nav__link:hover {
    background-color: var(--csr-color-primary-light);
    color: var(--csr-color-primary);
}

.csr-nav__link--cta {
    background: linear-gradient(135deg, var(--csr-color-secondary), var(--csr-color-secondary-light));
    color: var(--csr-color-white) !important;
    padding: 0.6rem 1.2rem;
}

.csr-nav__link--cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--csr-shadow-md);
}

.csr-nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background-color: transparent;
    border-radius: var(--csr-radius-md);
    transition: background-color var(--csr-transition-fast);
    z-index: 1002;
}

.csr-nav__toggle:hover {
    background-color: var(--csr-color-light);
}

.csr-nav__toggle-bar {
    display: block;
    height: 3px;
    background-color: var(--csr-color-primary-dark);
    border-radius: 2px;
    transition: all var(--csr-transition-normal);
}

.csr-nav__toggle--active .csr-nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.csr-nav__toggle--active .csr-nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.csr-nav__toggle--active .csr-nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================================================
   4. BOTONES
   ========================================================================== */
.csr-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    font-family: var(--csr-font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--csr-radius-md);
    cursor: pointer;
    transition: all var(--csr-transition-normal);
    border: 2px solid transparent;
    text-align: center;
}

.csr-btn--primary {
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
    color: var(--csr-color-white);
    box-shadow: 0 4px 15px rgba(0, 88, 171, 0.3);
}

.csr-btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 88, 171, 0.4);
    color: var(--csr-color-white);
}

.csr-btn--light {
    background-color: var(--csr-color-white);
    color: var(--csr-color-primary);
    border-color: var(--csr-color-white);
}

.csr-btn--light:hover {
    background-color: transparent;
    color: var(--csr-color-white);
    transform: translateY(-3px);
}

/* ==========================================================================
   5. HERO
   ========================================================================== */
.csr-hero {
    background: linear-gradient(135deg, var(--csr-color-primary-dark) 0%, var(--csr-color-primary) 50%, var(--csr-color-secondary) 100%);
    color: var(--csr-color-white);
    padding: var(--csr-spacing-xxxl) 0;
    position: relative;
    overflow: hidden;
}

.csr-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.csr-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.csr-hero__badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.2rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--csr-spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.csr-hero__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    color: var(--csr-color-white);
    margin-bottom: var(--csr-spacing-md);
    font-weight: 700;
}

.csr-hero__quote {
    font-style: italic;
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--csr-spacing-xl);
}

.csr-hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--csr-spacing-xxl);
}

/* Contador regresivo */
.csr-countdown {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: var(--csr-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 700px;
    margin: 0 auto;
}

.csr-countdown h3 {
    color: var(--csr-color-white);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.csr-countdown__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.csr-countdown__item {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 1rem;
    border-radius: var(--csr-radius-md);
}

.csr-countdown__number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--csr-color-tertiary);
    line-height: 1;
}

.csr-countdown__label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-top: 0.3rem;
}

/* ==========================================================================
   5. SECCIONES GENERALES
   ========================================================================== */
.csr-section {
    padding: var(--csr-spacing-xxxl) 0;
}

.csr-section--light {
    background-color: var(--csr-color-base);
}

.csr-section--dark {
    background-color: var(--csr-color-primary-dark);
    color: var(--csr-color-white);
}

.csr-section__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--csr-spacing-xxl);
}

.csr-section__tag {
    display: inline-block;
    background-color: var(--csr-color-primary-light);
    color: var(--csr-color-primary);
    padding: 0.3rem 1rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.csr-section__tag--light {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--csr-color-white);
}

.csr-section__title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.csr-section__title--light {
    color: var(--csr-color-white);
}

.csr-section__intro {
    font-size: 1.05rem;
    color: var(--csr-color-gray);
    line-height: 1.7;
}

/* ==========================================================================
   5. OBJETIVO BANNER
   ========================================================================== */
.csr-objective-banner {
    display: flex;
    gap: 1.5rem;
    background: linear-gradient(135deg, var(--csr-color-primary-light), var(--csr-color-white));
    padding: 2rem;
    border-radius: var(--csr-radius-lg);
    border-left: 5px solid var(--csr-color-primary);
    margin-bottom: var(--csr-spacing-xl);
    align-items: flex-start;
}

.csr-objective-banner__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
    color: var(--csr-color-white);
    border-radius: var(--csr-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.csr-objective-banner__text h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--csr-color-primary-dark);
}

.csr-objective-banner__text p {
    color: var(--csr-color-dark-soft);
    line-height: 1.7;
}

/* ==========================================================================
   5. FEATURES GRID
   ========================================================================== */
.csr-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.csr-feature {
    background-color: var(--csr-color-white);
    padding: 1.5rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    text-align: center;
    transition: all var(--csr-transition-normal);
}

.csr-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--csr-shadow-lg);
}

.csr-feature i {
    font-size: 2rem;
    color: var(--csr-color-primary);
    margin-bottom: 0.8rem;
}

.csr-feature h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.csr-feature p {
    color: var(--csr-color-gray);
    font-size: 0.9rem;
}

/* ==========================================================================
   5. ÁREAS DE PARTICIPACIÓN
   ========================================================================== */
.csr-areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: var(--csr-spacing-xl);
}

.csr-area-card {
    background-color: var(--csr-color-white);
    padding: 2rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    transition: all var(--csr-transition-normal);
    border-top: 4px solid var(--csr-color-primary);
}

.csr-area-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--csr-shadow-lg);
}

.csr-area-card__icon {
    width: 60px;
    height: 60px;
    border-radius: var(--csr-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--csr-color-white);
    margin-bottom: 1.2rem;
}

.csr-area-card__icon--blue { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.csr-area-card__icon--green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.csr-area-card__icon--teal { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.csr-area-card__icon--purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.csr-area-card__icon--orange { background: linear-gradient(135deg, #f97316, #ea580c); }
.csr-area-card__icon--red { background: linear-gradient(135deg, #ef4444, #dc2626); }

.csr-area-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}

.csr-area-card p {
    color: var(--csr-color-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

.csr-area-note {
    background-color: var(--csr-color-primary-light);
    padding: 1.2rem 1.5rem;
    border-radius: var(--csr-radius-md);
    border-left: 4px solid var(--csr-color-primary);
}

.csr-area-note p {
    color: var(--csr-color-primary-dark);
    margin: 0;
    font-size: 0.95rem;
}

/* ==========================================================================
   5. TARJETAS GENÉRICAS
   ========================================================================== */
.csr-card {
    background-color: var(--csr-color-white);
    padding: 2rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    transition: all var(--csr-transition-normal);
}

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

.csr-card__icon {
    width: 60px;
    height: 60px;
    border-radius: var(--csr-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--csr-color-white);
    margin-bottom: 1.2rem;
}

.csr-card__icon--primary {
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
}

.csr-card__icon--secondary {
    background: linear-gradient(135deg, var(--csr-color-secondary), var(--csr-color-secondary-light));
}

.csr-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.csr-card__list {
    list-style: none;
    margin-top: 0.5rem;
}

.csr-card__list li {
    padding: 0.5rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: var(--csr-color-dark-soft);
    font-size: 0.95rem;
}

.csr-card__list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--csr-color-secondary);
    font-weight: bold;
}

/* ==========================================================================
   5. PROCESO DE INSCRIPCIÓN
   ========================================================================== */
.csr-inscription-process {
    background-color: var(--csr-color-white);
    padding: 2rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    margin-top: var(--csr-spacing-xl);
}

.csr-inscription-process h3 {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.csr-process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.csr-process-step {
    background-color: var(--csr-color-base);
    padding: 1.5rem;
    border-radius: var(--csr-radius-md);
    border-left: 4px solid var(--csr-color-primary);
}

.csr-process-step__number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
    color: var(--csr-color-white);
    border-radius: var(--csr-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.csr-process-step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.csr-process-step__date {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--csr-color-tertiary);
    color: var(--csr-color-dark);
    padding: 0.3rem 0.8rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.csr-process-step p {
    color: var(--csr-color-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ==========================================================================
   5. TIMELINE (CRONOGRAMA)
   ========================================================================== */
.csr-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.csr-timeline__item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.csr-timeline__item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    bottom: -20px;
    width: 3px;
    background-color: rgba(255, 255, 255, 0.2);
}

.csr-timeline__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
    color: var(--csr-color-white);
    border-radius: var(--csr-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--csr-shadow-md);
}

.csr-timeline__content {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--csr-radius-lg);
    flex: 1;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.csr-timeline__content h3 {
    color: var(--csr-color-white);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.csr-timeline__content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.csr-timeline__date {
    display: inline-block;
    background-color: var(--csr-color-tertiary);
    color: var(--csr-color-dark);
    padding: 0.3rem 0.8rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.csr-timeline__item--highlight .csr-timeline__content {
    border-color: var(--csr-color-tertiary);
    background-color: rgba(255, 238, 0, 0.1);
}

.csr-timeline__item--highlight .csr-timeline__icon {
    background: linear-gradient(135deg, var(--csr-color-tertiary), var(--csr-color-tertiary-dark));
    color: var(--csr-color-dark);
}

.csr-timeline__date--highlight {
    background-color: var(--csr-color-white);
    font-size: 1rem;
}

/* ==========================================================================
   5. ESTRUCTURA DEL INFORME
   ========================================================================== */
.csr-report-structure {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.2rem;
}

.csr-report-item {
    background-color: var(--csr-color-white);
    padding: 1.5rem;
    border-radius: var(--csr-radius-md);
    box-shadow: var(--csr-shadow-sm);
    border-left: 4px solid var(--csr-color-primary);
    transition: all var(--csr-transition-normal);
}

.csr-report-item:hover {
    transform: translateX(5px);
    box-shadow: var(--csr-shadow-md);
}

.csr-report-item__letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--csr-color-primary);
    color: var(--csr-color-white);
    border-radius: var(--csr-radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.csr-report-item h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.csr-report-item p {
    color: var(--csr-color-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ==========================================================================
   5. RÚBRICA DE EVALUACIÓN
   ========================================================================== */
.csr-rubric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.csr-rubric-card {
    background-color: var(--csr-color-white);
    padding: 1.5rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    transition: all var(--csr-transition-normal);
    border-top: 4px solid var(--csr-color-primary);
}

.csr-rubric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--csr-shadow-lg);
}

.csr-rubric-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.csr-rubric-card__header i {
    font-size: 1.8rem;
    color: var(--csr-color-primary);
}

.csr-rubric-card__points {
    background-color: var(--csr-color-tertiary);
    color: var(--csr-color-dark);
    padding: 0.3rem 0.8rem;
    border-radius: var(--csr-radius-full);
    font-size: 0.85rem;
    font-weight: 700;
}

.csr-rubric-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.8rem;
}

.csr-rubric-card ul {
    list-style: none;
}

.csr-rubric-card ul li {
    padding: 0.4rem 0;
    padding-left: 1rem;
    position: relative;
    color: var(--csr-color-dark-soft);
    font-size: 0.85rem;
}

.csr-rubric-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--csr-color-success);
    font-weight: bold;
}

.csr-rubric-card--total {
    border-top-color: var(--csr-color-tertiary);
    background: linear-gradient(135deg, var(--csr-color-primary-light), var(--csr-color-white));
}

/* ==========================================================================
   5. DESCARGAS
   ========================================================================== */
.csr-downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.csr-download-card {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    background-color: var(--csr-color-white);
    padding: 1.5rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    transition: all var(--csr-transition-normal);
    border: 2px solid transparent;
}

.csr-download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--csr-shadow-lg);
    border-color: var(--csr-color-primary-light);
    color: var(--csr-color-primary);
}

.csr-download-card__icon {
    width: 50px;
    height: 50px;
    background-color: var(--csr-color-primary-light);
    color: var(--csr-color-primary);
    border-radius: var(--csr-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.csr-download-card__info h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

.csr-download-card__info p {
    color: var(--csr-color-gray);
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}

.csr-download-card__action {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--csr-color-primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.csr-download-card:hover .csr-download-card__action {
    color: var(--csr-color-secondary);
}

/* ==========================================================================
   5. FAQ
   ========================================================================== */
.csr-faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 1rem;
}

.csr-faq-item {
    background-color: var(--csr-color-white);
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    overflow: hidden;
    transition: all var(--csr-transition-normal);
    border: 2px solid transparent;
}

.csr-faq-item:hover {
    box-shadow: var(--csr-shadow-md);
}

.csr-faq-item--active {
    border-color: var(--csr-color-primary-light);
}

.csr-faq-question {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background-color: var(--csr-color-white);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--csr-color-primary-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: all var(--csr-transition-fast);
    font-family: var(--csr-font-heading);
}

.csr-faq-question:hover {
    background-color: var(--csr-color-primary-light);
}

.csr-faq-question i {
    color: var(--csr-color-primary);
    transition: transform var(--csr-transition-normal);
    flex-shrink: 0;
}

.csr-faq-item--active .csr-faq-question i {
    transform: rotate(180deg);
}

.csr-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--csr-transition-normal);
}

.csr-faq-item--active .csr-faq-answer {
    max-height: 1000px;
}

.csr-faq-answer__content {
    padding: 0 1.5rem 1.5rem;
    color: var(--csr-color-gray);
    line-height: 1.7;
}

.csr-faq-answer__content ul {
    margin-top: 0.8rem;
    padding-left: 1.5rem;
    list-style: disc;
}

.csr-faq-answer__content li {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   5. CONTACTO
   ========================================================================== */
.csr-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.csr-contact-card {
    background-color: var(--csr-color-white);
    padding: 2rem;
    border-radius: var(--csr-radius-lg);
    box-shadow: var(--csr-shadow-sm);
    text-align: center;
    transition: all var(--csr-transition-normal);
    border-top: 4px solid var(--csr-color-primary);
}

.csr-contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--csr-shadow-lg);
}

.csr-contact-card i {
    font-size: 2.5rem;
    color: var(--csr-color-primary);
    margin-bottom: 1rem;
}

.csr-contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.csr-contact-card p {
    color: var(--csr-color-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.3rem;
}

/* ==========================================================================
   5. FOOTER
   ========================================================================== */
.csr-footer {
    background-color: var(--csr-color-primary-dark);
    color: var(--csr-color-white);
    padding: var(--csr-spacing-xxl) 0 var(--csr-spacing-lg);
}

.csr-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.csr-footer__col--wide {
    max-width: 350px;
}

.csr-footer__logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.csr-footer__logo i {
    font-size: 2rem;
    color: var(--csr-color-tertiary);
}

.csr-footer__col p {
    opacity: 0.85;
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.csr-footer__col p i {
    color: var(--csr-color-tertiary);
    margin-right: 0.5rem;
    width: 15px;
}

.csr-footer__col h4 {
    color: var(--csr-color-white);
    font-size: 1rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 0.6rem;
}

.csr-footer__col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--csr-color-tertiary);
}

.csr-footer__col ul li {
    margin-bottom: 0.6rem;
}

.csr-footer__col ul a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    transition: all var(--csr-transition-fast);
}

.csr-footer__col ul a:hover {
    color: var(--csr-color-tertiary);
    padding-left: 5px;
}

.csr-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.75;
}

.csr-footer__bottom p {
    margin-bottom: 0.3rem;
}

/* ==========================================================================
   5. BOTONES FLOTANTES
   ========================================================================== */
.csr-float-btn {
    position: fixed;
    width: 56px;
    height: 56px;
    border-radius: var(--csr-radius-full);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    z-index: 998;
    transition: all var(--csr-transition-normal);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.csr-float-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.csr-float-btn i {
    font-size: 1.4rem;
    color: var(--csr-color-white);
}

.csr-float-btn__tooltip {
    position: absolute;
    right: 70px;
    background-color: var(--csr-color-dark);
    color: var(--csr-color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--csr-radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--csr-transition-fast);
    pointer-events: none;
}

.csr-float-btn:hover .csr-float-btn__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.csr-float-btn__tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--csr-color-dark);
}

.csr-float-btn--whatsapp {
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, #25D366, #128C7E);
    animation: csr-pulse-whatsapp 2s infinite;
}

.csr-float-btn--whatsapp:hover {
    background: linear-gradient(135deg, #128C7E, #25D366);
}

.csr-float-btn--top {
    bottom: 6rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--csr-color-primary), var(--csr-color-primary-dark));
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.csr-float-btn--top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.csr-float-btn--top:hover {
    background: linear-gradient(135deg, var(--csr-color-primary-dark), var(--csr-color-primary));
}

@keyframes csr-pulse-whatsapp {
    0%, 100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.7); }
}

/* ==========================================================================
   6. RESPONSIVE - TABLET
   ========================================================================== */
@media (max-width: 992px) {
    .csr-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .csr-topbar__hide-mobile {
        display: none;
    }
}

/* ==========================================================================
   6. RESPONSIVE - MÓVIL
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --csr-spacing-xxxl: 3rem;
    }

    /* MENÚ HAMBURGUESA */
    .csr-nav__toggle {
        display: flex;
    }

    .csr-nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--csr-color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 5rem 2rem 2rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform var(--csr-transition-normal);
        z-index: 1001;
        overflow-y: auto;
        box-shadow: var(--csr-shadow-xl);
    }

    .csr-nav__menu--active {
        transform: translateX(0);
    }

    .csr-nav__menu li {
        width: 100%;
        border-bottom: 1px solid var(--csr-color-lighter);
    }

    .csr-nav__menu li:last-child {
        border-bottom: none;
    }

    .csr-nav__link {
        display: block;
        padding: 1rem;
        width: 100%;
        font-size: 1.1rem;
        text-align: center;
    }

    .csr-nav__link--cta {
        margin-top: 1rem;
    }

    body.csr-menu-open {
        overflow: hidden;
    }

    /* Hero */
    .csr-hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .csr-hero__actions .csr-btn {
        width: 100%;
    }

    .csr-countdown__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Secciones */
    .csr-section {
        padding: var(--csr-spacing-xxl) 0;
    }

    /* Footer */
    .csr-footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .csr-footer__col {
        text-align: center;
    }

    .csr-footer__col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .csr-footer__logo {
        justify-content: center;
    }

    .csr-footer__col--wide {
        max-width: 100%;
    }

    /* Botones flotantes */
    .csr-float-btn {
        width: 50px;
        height: 50px;
    }

    .csr-float-btn i {
        font-size: 1.2rem;
    }

    .csr-float-btn--whatsapp {
        bottom: 1.2rem;
        right: 1.2rem;
    }

    .csr-float-btn--top {
        bottom: 5rem;
        right: 1.2rem;
    }

    .csr-float-btn__tooltip {
        display: none;
    }

    /* Objective banner */
    .csr-objective-banner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    /* Timeline */
    .csr-timeline__item {
        flex-direction: column;
        align-items: flex-start;
    }

    .csr-timeline__item:not(:last-child)::after {
        display: none;
    }
}

/* ==========================================================================
   6. RESPONSIVE - MÓVIL PEQUEÑO
   ========================================================================== */
@media (max-width: 480px) {
    .csr-hero__title {
        font-size: 1.6rem;
    }

    .csr-nav__logo-text small {
        display: none;
    }

    .csr-topbar__contact span:not(:first-child) {
        display: none;
    }

    .csr-countdown__number {
        font-size: 1.8rem;
    }
}

/* ==========================================================================
   7. ACCESIBILIDAD
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

*:focus-visible {
    outline: 3px solid var(--csr-color-secondary);
    outline-offset: 2px;
}