/* ==================== VARIABLES Y RESET ==================== */
:root {
    /* Colores institucionales */
    --primary-color: #0056b3;        /* Azul confianza */
    --primary-dark: #003d82;
    --primary-light: #e6f0fa;
    
    --secondary-color: #28a745;      /* Verde esperanza */
    --secondary-dark: #1e7e34;
    
    --accent-color: #ffc107;         /* Amarillo energía */
    
    /* Neutros */
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-900: #212529;
    
    /* Tipografía */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Bordes y sombras */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
}

/* ==================== UTILIDADES ==================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-description {
    color: var(--gray-600);
    font-size: 1.1rem;
}

.bg-light { background-color: var(--gray-50); }
.bg-primary { background-color: var(--primary-color); }
.text-white { color: var(--white) !important; }
.text-center { text-align: center; }

/* ==================== BOTONES ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-outline.btn-white {
    border-color: var(--white);
    color: var(--white);
}

.btn-outline.btn-white:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo i {
    font-size: 1.75rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 600;
    color: var(--gray-900);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    padding: var(--spacing-xs) var(--spacing-md);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-900);
    cursor: pointer;
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color)),
                url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c?w=1600') center/cover no-repeat;
    padding-top: 80px;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 61, 130, 0.9), rgba(0, 86, 179, 0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--accent-color);
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

/* Estadísticas del hero */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.scroll-down {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    opacity: 0.8;
    transition: var(--transition);
}

.scroll-down:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-20px); }
    60% { transform: translateX(-50%) translateY(-10px); }
}

/* ==================== ABOUT SECTION ==================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.about-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.about-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-color);
    font-size: 1.75rem;
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.about-card p {
    color: var(--gray-600);
}

/* Valores */
.values-section {
    text-align: center;
}

.values-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
}

.value-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.value-item span {
    font-weight: 600;
    color: var(--gray-900);
}

/* ==================== PROGRAMS SECTION ==================== */
.program-highlight {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: center;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-lg);
}

.program-image {
    height: 100%;
    min-height: 400px;
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.program-content {
    padding: var(--spacing-xl);
}

.program-content h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.program-content > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.program-services h4 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.services-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.services-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    color: var(--gray-600);
}

.services-list i {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* ==================== POPULATION SECTION ==================== */
.population-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.population-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.population-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.population-card h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.population-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ==================== IMPACT SECTION ==================== */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.impact-card {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--white);
}

.impact-card i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.impact-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.impact-label {
    font-size: 1rem;
    opacity: 0.9;
}

.impact-cta {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.impact-cta p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

/* ==================== ALLIES SECTION ==================== */
.allies-category {
    margin-bottom: var(--spacing-xl);
}

.allies-category-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-light);
}

.allies-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.ally-logo {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    color: var(--gray-900);
    border: 2px solid var(--gray-100);
    transition: var(--transition);
}

.ally-logo:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

.ally-logo small {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

.allies-note {
    color: var(--gray-600);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--border-radius);
}

.allies-note a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

/* ==================== CTA SECTION ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-content > p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

.cta-buttons .btn-outline:hover {
    background: var(--white);
    color: var(--secondary-color);
}

/* ==================== CONTACT SECTION ==================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-100);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item i {
    font-size: 1.25rem;
    color: var(--primary-color);
    min-width: 24px;
}

.contact-item strong {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray-600);
    margin: 0;
    font-size: 0.95rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.legal-info {
    padding: var(--spacing-md) 0;
    margin-top: var(--spacing-lg);
    border-top: 2px solid var(--primary-light);
}

.legal-info small {
    color: var(--gray-600);
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* Formulario */
.contact-form-wrapper h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
}

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

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--gray-900);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-100);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-group.checkbox input {
    width: auto;
    margin-top: 4px;
}

.form-group.checkbox label {
    font-weight: 400;
    font-size: 0.9rem;
}

.form-group.checkbox a {
    color: var(--primary-color);
    text-decoration: none;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--gray-300);
    line-height: 1.7;
}

.footer-links h4,
.footer-newsletter h4 {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-bottom .footer-separator {
    margin: 0 var(--spacing-sm);
    opacity: 0.5;
}

.footer-bottom i {
    color: #e74c3c;
}

/* ==================== WHATSAPP FLOAT ==================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    text-decoration: none;
    box-shadow: var(--box-shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .program-highlight {
        grid-template-columns: 1fr;
    }
    
    .program-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--box-shadow);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav.active {
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .nav-cta {
        margin-top: var(--spacing-md);
        width: 100%;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-title .highlight {
        display: inline;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-xs) var(--spacing-md);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Focus visible para navegación por teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Skip link para accesibilidad */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1001;