:root {
    --primary-blue: #1e3a8a;
    --primary-teal: #14b8a6;
    --primary-green: #10b981;
    --accent-red: #e11d48;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #1e40af 0%, #0d9488 50%, #10b981 100%);
    color: var(--neutral-800);
    line-height: 1.6;
    min-height: 100vh;
}
.hero-section { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 24px 20px; text-align: center; background: white; box-shadow: var(--shadow-md); }
.logo-image { width: 600px; height: auto; max-height: 500px; object-fit: contain; margin-bottom: 8px; filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.15)); }
.main-title { font-size: clamp(3rem, 7vw, 5rem); font-weight: 800; color: var(--primary-blue); letter-spacing: 2px; margin-bottom: 16px; display: none; }
.main-subtitle { font-size: clamp(1rem, 2.5vw, 1.5rem); color: var(--neutral-700); font-weight: 500; max-width: 800px; }
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }
.search-section { background: white; border-radius: 20px; padding: 48px; box-shadow: var(--shadow-xl); margin: 0 auto 48px; max-width: 900px; }
.search-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 48px; }
.tab-button { background: var(--neutral-100); border: 2px solid transparent; padding: 24px 20px; font-size: 1rem; cursor: pointer; color: var(--neutral-600); border-radius: 16px; transition: all 0.3s ease; font-weight: 500; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.tab-button:hover { background: var(--neutral-200); transform: translateY(-2px); }
.tab-button.active { background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%); color: white; box-shadow: var(--shadow-lg); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.form-group { margin-bottom: 28px; }
label { display: block; margin-bottom: 12px; font-weight: 600; color: var(--neutral-700); font-size: 1.1rem; }
select { width: 100%; padding: 18px 24px; border: 2px solid var(--neutral-200); border-radius: 12px; font-size: 1.05rem; background: white; }
select:focus { outline: none; border-color: var(--primary-teal); box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.1); }
.search-button, .clear-button {
    border: none; padding: 20px 30px; border-radius: 12px; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: all 0.3s ease; box-shadow: var(--shadow-lg); width: 100%; display: flex; align-items: center; justify-content: center; gap: 12px;
}
.search-button { background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-teal) 100%); color: white; }
.search-button:hover { transform: translateY(-2px); box-shadow: 0 20px 25px -5px rgba(30, 58, 138, 0.4); }
.results-section { display: none; gap: 24px; align-items: flex-start; }
.results-section.show { display: flex; }
.sidebar-nav { flex-shrink: 0; width: 320px; background: white; border-radius: 16px; padding: 28px; box-shadow: var(--shadow-md); position: sticky; top: 24px; }
.sidebar-nav h3 { font-size: 1.2rem; color: var(--primary-blue); margin-bottom: 20px; border-bottom: 2px solid var(--neutral-200); padding-bottom: 10px; }
.sidebar-category { margin-bottom: 8px; }
.sidebar-category-title { font-weight: 600; color: var(--primary-blue); cursor: pointer; padding: 8px; border-radius: 8px; transition: background-color 0.2s ease; display: flex; justify-content: space-between; align-items: center; }
.sidebar-category-title:hover { background-color: var(--neutral-100); }
.sidebar-category-title .indicator-icon { transition: transform 0.3s ease; font-size: 0.8em; }
.sidebar-category.active .sidebar-category-title .indicator-icon { transform: rotate(90deg); }
.sidebar-question-list { list-style: none; padding-left: 16px; margin-top: 8px; display: none; }
.sidebar-category.active .sidebar-question-list { display: block; }
.sidebar-question-list a { display: block; padding: 8px; text-decoration: none; color: var(--neutral-700); border-radius: 8px; transition: all 0.2s ease; font-size: 0.9rem; }
.sidebar-question-list a:hover { background-color: var(--primary-teal); color: white; transform: translateX(4px); }
.main-results-content { flex-grow: 1; }
.results-content-inner { background: white; border-radius: 16px; padding: 48px; box-shadow: var(--shadow-lg); }
.country-header { display: flex; align-items: center; gap: 24px; margin-bottom: 48px; padding-bottom: 24px; border-bottom: 2px solid var(--neutral-200); }
.country-flag { font-size: 3rem; line-height: 1; }
.country-name { font-size: 2.25rem; color: var(--primary-blue); font-weight: 700; }
.executive-summary { background: linear-gradient(135deg, rgba(30, 58, 138, 0.05) 0%, rgba(20, 184, 166, 0.05) 100%); padding: 32px; border-radius: 16px; margin-bottom: 48px; border-left: 4px solid var(--primary-teal); }
.summary-item { margin-bottom: 16px; display: flex; align-items: flex-start; }
.summary-item strong { min-width: 120px; display: inline-block; color: var(--neutral-800); }
.summary-item a { color: var(--primary-blue); text-decoration: none; }
.summary-item a:hover { text-decoration: underline; }
.requirement { padding: 28px 0; border-bottom: 1px solid var(--neutral-100); }
.requirement-title { font-weight: 600; color: var(--neutral-800); margin-bottom: 16px; }
.requirement-direct-answer { background: linear-gradient(135deg, rgba(30, 58, 138, 0.08) 0%, rgba(20, 184, 166, 0.08) 100%); padding: 20px; border-radius: 12px; margin: 16px 0; border-left: 4px solid var(--primary-teal); color: var(--neutral-700); }
.requirement-detail { color: var(--neutral-600); white-space: pre-wrap; margin-top: 16px; }
.source-toggle { background: none; border: 1px solid var(--neutral-300); color: var(--neutral-600); padding: 8px 16px; border-radius: 20px; cursor: pointer; font-size: 0.8rem; font-weight: 600; transition: all 0.3s ease; display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; }
.source-toggle:hover { background: var(--neutral-100); border-color: var(--primary-teal); color: var(--primary-teal); }
.requirement-source { display: none; margin-top: 16px; padding: 16px; background: var(--neutral-50); border-radius: 12px; border-left: 4px solid var(--primary-teal); white-space: pre-wrap; font-family: monospace; font-size: 0.85rem; }
.resource-card { background: var(--neutral-50); border: 1px solid var(--neutral-200); border-radius: 12px; padding: 20px; margin-bottom: 16px; }
.resource-card h4 { color: var(--primary-blue); margin-bottom: 8px; }
.resource-card p { margin-bottom: 12px; font-size: 0.95rem; }
.resource-card a { color: var(--primary-teal); font-weight: 600; text-decoration: none; }
.resource-card a:hover { text-decoration: underline; }

/* --- NUEVO: Estilo para subtítulos de recursos --- */
.resource-subtitle {
    font-size: 1.2rem; font-weight: 700; color: var(--primary-blue);
    margin-top: 32px; margin-bottom: 16px; padding-bottom: 8px;
    border-bottom: 1px solid var(--neutral-200);
}
/* --- FIN --- */

.loading { text-align: center; padding: 80px; }
.error { background: rgba(239, 68, 68, 0.1); color: #dc2626; padding: 24px; border-radius: 12px; border-left: 4px solid #dc2626; }
#filter-checkbox-container { max-height: 400px; overflow-y: auto; background: var(--neutral-50); padding: 20px; border-radius: 12px; border: 1px solid var(--neutral-200); }
.filter-category { border-bottom: 1px solid var(--neutral-200); padding: 8px 0; }
.filter-category:last-child { border-bottom: none; }
.filter-category-title { font-weight: 700; color: var(--primary-blue); cursor: pointer; padding: 8px; display: flex; justify-content: space-between; align-items: center; }
.filter-category-title .indicator-icon { transition: transform 0.3s ease; font-size: 0.8em; }
.filter-category.active .filter-category-title .indicator-icon { transform: rotate(90deg); }
.filter-items-list { display: none; padding: 8px 0 8px 16px; }
.filter-category.active .filter-items-list { display: block; }
.filter-item { display: block; margin: 8px 0; }
.filter-item label { font-size: 0.95rem; display: flex; align-items: center; cursor: pointer; font-weight: 400; }
.filter-item input { width: auto; margin-right: 12px; }
.button-group { display: flex; gap: 16px; margin-top: 24px; }
.clear-button { background: var(--neutral-100); color: var(--neutral-700); border: 2px solid var(--neutral-200); box-shadow: none; }
.clear-button:hover { background: var(--neutral-200); transform: translateY(-2px); }
.comparison-card { background: white; border-radius: 16px; padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow-md); }
.comparison-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--neutral-200); }
.comparison-card-header h3 { color: var(--primary-blue); font-size: 1.5rem; margin: 0; display: flex; align-items: center; gap: 12px;}
.comparison-card-directa { color: var(--neutral-700); margin-bottom: 16px; }
.comparison-card-ampliada { display: none; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--neutral-200); color: var(--neutral-600); white-space: pre-wrap; }
.comparison-card-footer { text-align: right; }
.expand-info-button { background: none; border: none; color: var(--accent-red); font-weight: 600; cursor: pointer; padding: 8px 0; }
.status-badge { padding: 4px 12px; border-radius: 20px; font-size: 0.875rem; font-weight: 600; color: white; }
.status-badge.yes { background-color: var(--primary-green); }
.status-badge.no { background-color: var(--neutral-600); }
#filtered-countries-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 24px; }
.filtered-country-card {
    background: white; border-radius: 16px; padding: 24px; text-align: center;
    box-shadow: var(--shadow-md); transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex; flex-direction: column; justify-content: space-between;
}
.filtered-country-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.filtered-country-card .fi-container { font-size: 3.5rem; margin-bottom: 16px; }
.filtered-country-card .country-title { color: var(--primary-blue); margin-bottom: 24px; }
.view-full-country-info-btn {
    background: var(--primary-teal); color: white; border: none; padding: 12px 16px;
    border-radius: 12px; font-size: 0.9rem; font-weight: 600; cursor: pointer;
    transition: background-color 0.3s ease; display: flex; align-items: center;
    justify-content: center; gap: 8px; width: 100%;
}
.view-full-country-info-btn:hover { background: var(--primary-blue); }
.main-footer { background: rgba(0, 0, 0, 0.3); color: white; padding: 32px 24px; margin-top: 80px; backdrop-filter: blur(10px); }
.footer-content { max-width: 1200px; margin: 0 auto; text-align: center; }
#back-to-top-btn { display: none; position: fixed; bottom: 30px; right: 30px; z-index: 99; border: none; outline: none; background-color: var(--primary-blue); color: white; cursor: pointer; padding: 0; border-radius: 50%; width: 50px; height: 50px; font-size: 20px; box-shadow: var(--shadow-lg); transition: background-color 0.3s, opacity 0.3s, transform 0.3s; }
#back-to-top-btn:hover { background-color: var(--primary-teal); transform: translateY(-3px); }

@media (max-width: 992px) { .results-section { flex-direction: column; } .sidebar-nav { width: 100%; position: static; } }
@media (max-width: 768px) { .search-tabs { grid-template-columns: 1fr; } .button-group { flex-direction: column; } }

/* --- INICIO: Estilos Responsivos Adicionales para Celular --- */
@media (max-width: 640px) {
    body {
        line-height: 1.5;
    }
    .hero-section {
        padding: 24px 16px 16px;
    }
    .logo-image {
        width: 100%;
        max-width: 350px; /* Reducir el tamaño máximo del logo en móviles */
    }
    .main-subtitle {
        font-size: 1rem;
    }
    .container {
        padding: 16px;
    }
    .search-section {
        padding: 24px; /* Reducir padding en la sección de búsqueda */
    }
    .tab-button {
        padding: 16px 12px; /* Reducir padding de los botones de tabs */
        font-size: 0.9rem;
    }
    .search-tabs {
        gap: 12px;
        margin-bottom: 32px;
    }
    .form-group {
        margin-bottom: 20px;
    }
    label {
        font-size: 1rem;
    }
    select, .search-button, .clear-button {
        padding: 16px; /* Ajustar padding de controles */
        font-size: 1rem;
    }
    .results-content-inner {
        padding: 24px 16px; /* Reducir padding en el contenido de resultados */
    }
    .country-header {
        flex-direction: column; /* Apilar bandera y nombre */
        align-items: flex-start;
        gap: 12px;
        text-align: left;
        margin-bottom: 24px;
    }
    .country-name {
        font-size: 1.75rem; /* Reducir tamaño de fuente del nombre del país */
    }
    .executive-summary {
        padding: 24px;
        margin-bottom: 24px;
    }
    .summary-item {
        flex-direction: column; /* Apilar label y valor en el resumen */
        align-items: flex-start;
        gap: 4px;
    }
    .summary-item strong {
        min-width: unset;
    }
    .comparison-card-header h3 {
        font-size: 1.25rem;
    }
    #back-to-top-btn {
        width: 45px;
        height: 45px;
        font-size: 18px;
        right: 20px;
        bottom: 20px;
    }
    .main-footer {
        margin-top: 40px;
        padding: 24px 16px;
    }
    .footer-content {
        font-size: 0.8rem;
    }
}
/* --- FIN: Estilos Responsivos Adicionales para Celular --- */