/* Custom Styles */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
}

/* TOP NOTIFICATION BAR */
.top-notification-bar {
    background-color: #4C5C6B;
    color: #ffffff;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    text-align: center;
}

.top-notification-bar a {
    color: #ffffff;
    font-weight: 500;
}

.top-notification-bar a:hover {
    color: #61c7cd;
}

.top-notification-bar i {
    color: #61c7cd;
}

.top-notification-bar strong {
    color: #61c7cd;
}

/* MEJORAS NAVBAR */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    background-color: #0E2337 !important;
}

.navbar.scrolled {
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.navbar-brand b {
    font-weight: 700;
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: #61c7cd;
    transition: transform 0.3s ease;
}

.nav-link:hover {
    color: #61c7cd !important;
    background-color: rgba(97, 199, 205, 0.1);
    border-radius: 4px;
    transform: translateY(-2px);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-radius: 8px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: rgba(97, 199, 205, 0.1);
    color: #61c7cd;
    transform: translateX(5px);
}

/* Dropdown toggle color */
.navbar-dark .navbar-nav .nav-link.dropdown-toggle {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar-dark .navbar-nav .nav-link.dropdown-toggle:hover {
    color: #61c7cd !important;
}

/* OPCIÓN 03: MODERNO Y PROFESIONAL - H1 HERO */
.hero-title {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c5282 100%);
    box-shadow: 0 4px 16px rgba(30, 58, 95, 0.25);
}

.hero-title h1 {
    color: #ffffff !important;
    font-weight: 700;
    line-height: 1.4;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.post-title-container h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
}

.featured-image-container {
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* MEJORAS TOC */
.toc-container {
    top: 5rem;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    padding: 1rem 1.25rem;
}

.toc-container:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.toc-container h4 {
    color: #2c3e50;
    padding-bottom: 12px;
    border-bottom: 3px solid #0d6efd;
    margin-bottom: 1rem;
    font-weight: 700;
    text-align: center;
    font-style: normal;
}

.toc-container ol {
    padding-left: 0;
    margin-bottom: 0;
}

.toc-container li {
    margin-bottom: 0.25rem;
}

.toc-container a,
.toc-container .list-unstyled a {
    display: block;
    padding: 0.375rem 1rem;
    color: #495057;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    border-radius: 4px;
    font-size: 0.95rem;
}

.toc-container a:hover,
.toc-container .list-unstyled a:hover {
    background: linear-gradient(90deg, rgba(13, 110, 253, 0.08), transparent);
    border-left-color: #0d6efd;
    color: #0d6efd;
    padding-left: 1.5rem;
}

.toc-container a.active {
    background: linear-gradient(90deg, rgba(13, 110, 253, 0.12), transparent);
    border-left-color: #0d6efd;
    color: #0d6efd;
    font-weight: 600;
}

/* POST CONTENT */
.post-content h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

.post-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.post-content p, .post-content li {
    line-height: 1.8;
    font-size: 1.1rem;
}

/* OPCIÓN 03: MODERNO Y PROFESIONAL - CARDS GRISES */
.related-posts .card {
    cursor: pointer;
    background: #f8f9fa !important;
    border: 1px solid #dee2e6 !important;
    border-left: 4px solid #6c757d !important;
    transition: all 0.3s ease;
}

.related-posts .card:hover {
    background: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    border-left-color: #0d6efd !important;
}

.related-posts .card-body {
    padding: 2rem !important;
}

.related-posts .card-title {
    color: #495057 !important;
    font-weight: 600;
    font-size: 0.95rem;
}

/* PAGINACIÓN PROFESIONAL */
.pagination .page-link {
    color: #495057;
    border: 1px solid #dee2e6;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background-color: #f8f9fa;
    border-color: #0d6efd;
    color: #0d6efd;
}

.pagination .page-item.active .page-link {
    background-color: #1e3a5f;
    border-color: #1e3a5f;
    color: #ffffff;
}

/* TABLAS DE ANÁLISIS DE PRECIOS UNITARIOS - USABILIDAD MEJORADA */
.analisis {
    margin: 2rem 0;
    overflow-x: auto;
}

.analisis table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-radius: 8px;
    overflow: hidden;
    border: none;
    border-spacing: 0;
}

/* Eliminar todos los bordes */
.analisis table td {
    border: none;
}

.analisis table tbody {
    border: none;
}

.analisis table tr {
    border: none;
}

/* Anchos fijos para las columnas */
.analisis table td:nth-child(1) {
    width: 150px;
}

.analisis table td:nth-child(2) {
    width: auto;
    min-width: 300px;
}

.analisis table td:nth-child(3) {
    width: 80px;
}

.analisis table td:nth-child(4) {
    width: 110px;
}

.analisis table td:nth-child(5) {
    width: 120px;
}

.analisis table td:nth-child(6) {
    width: 120px;
}

/* Encabezados de tabla con fondo oscuro y texto centrado */
.analisis table thead tr th {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c5282 100%);
    color: #ffffff;
    font-weight: 600;
    text-align: center !important;
    padding: 1rem;
    border: none;
}

/* Filas normales con padding adecuado */
.analisis table tbody td {
    padding: 0.75rem 1rem;
    border: none;
}

/* Zebra striping - filas con colores alternados */
.analisis table tbody tr:nth-child(even):not(.section-header):not(.subtotal-row):not(.total-row) {
    background-color: #f8f9fa;
}

.analisis table tbody tr:nth-child(odd):not(.section-header):not(.subtotal-row):not(.total-row) {
    background-color: #ffffff;
}

/* Alineación de columnas */
.analisis table td:nth-child(1) {
    text-align: left;
}

.analisis table td:nth-child(2) {
    text-align: left;
}

/* Columna Unidad (3) centrada */
.analisis table td:nth-child(3),
.analisis table td.c3 {
    text-align: center !important;
    color: #6c757d;
}

/* Columnas monetarias a la derecha */
.analisis table td:nth-child(4),
.analisis table td.c4,
.analisis table td:nth-child(5),
.analisis table td.c5,
.analisis table td:nth-child(6),
.analisis table td.c6 {
    text-align: right !important;
    font-family: 'Courier New', monospace;
    font-weight: 500;
}

/* Hover en filas de datos para mejor identificación */
.analisis table tbody tr:not(.section-header):not(.subtotal-row):not(.total-row):hover {
    background-color: #fff3cd !important;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

/* Encabezados de sección (Material, Mano de Obra, Herramienta, Equipo) */
.analisis table tr.section-header {
    background-color: #e9ecef !important;
}

.analisis table tr.section-header td {
    font-weight: 600;
    color: #1e3a5f;
    padding: 0.75rem 1rem;
    border: none !important;
}

/* Filas de subtotales (Suma de Material, Suma de Mano de Obra, etc) */
.analisis table tr.subtotal-row {
    background-color: #d1e7fd !important;
}

.analisis table tr.subtotal-row td {
    font-weight: 700;
    color: #0d47a1;
    padding: 0.875rem 1rem;
    border: none !important;
}

.analisis table tr.subtotal-row td.c6 {
    font-size: 1.05rem;
}

/* Fila de Costo Directo (Total final) */
.analisis table tr.total-row {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c5282 100%) !important;
}

.analisis table tr.total-row td {
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 1.125rem 1rem !important;
    border: none !important;
}

.analisis table tr.total-row td.c6 {
    font-size: 1.25rem;
    letter-spacing: 0.5px;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .analisis {
        font-size: 0.85rem;
    }

    .analisis table td {
        padding: 0.5rem !important;
    }

    .analisis table tr.total-row td {
        font-size: 1rem !important;
    }

    .analisis table tr.total-row td.c6 {
        font-size: 1.1rem !important;
    }
}

/* CATEGORÍAS */
.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: #e9ecef;
    border-radius: 20px;
    color: #6c757d;
    text-decoration: none;
    font-size: 0.813rem;
    font-weight: 500;
    pointer-events: none;
}

.category-badge i {
    font-size: 0.7rem;
    color: #6c757d;
    opacity: 0.7;
}

/* Categorías en el Hero (fondo oscuro) */
.category-badge-hero {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.95);
    pointer-events: none;
}

.category-badge-hero i {
    color: rgba(255, 255, 255, 0.85);
    opacity: 0.8;
}

/* MEJORAS COMPARTIR */
.share-buttons .btn {
    transition: all 0.3s ease;
    border-width: 2px;
}

.share-buttons .btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* MEJORAS CTA */
.cta-section {
    box-shadow: 0 8px 24px rgba(255, 133, 0, 0.3);
}

/* FOOTER */
.bg-dark {
    background-color: #1a1a1a !important;
}

.footer a.text-white:hover {
    text-decoration: underline;
}

/* ANIMACIONES SUAVES */
* {
    scroll-behavior: smooth;
}

/* ========================================
   NUEVAS FUNCIONALIDADES - Let's Talk + CTA Box + Modal
   ======================================== */

/* 1. BOTÓN "LET'S TALK" EN NAVBAR */
.btn-lets-talk {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    color: #ffffff;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-lets-talk:hover {
    background: linear-gradient(135deg, #FF5722 0%, #FF6B35 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.45);
}

.btn-lets-talk:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

.btn-lets-talk i {
    font-size: 1.1rem;
}

/* 2. TOC OPTIMIZADA CON MAX-HEIGHT Y SCROLL */
.toc-list {
    max-height: 600px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Estilo del scrollbar para TOC */
.toc-list::-webkit-scrollbar {
    width: 5px;
}

.toc-list::-webkit-scrollbar-track {
    background: #e9ecef;
    border-radius: 3px;
}

.toc-list::-webkit-scrollbar-thumb {
    background: #0d6efd;
    border-radius: 3px;
}

.toc-list::-webkit-scrollbar-thumb:hover {
    background: #0b5ed7;
}

/* Reducir padding/margin en TOC para evitar scroll */
.toc-container {
    padding: 0.75rem 1rem !important;
}

.toc-container h4 {
    margin-bottom: 0.75rem !important;
    padding-bottom: 0.5rem !important;
}

.toc-container li {
    margin-bottom: 0.1rem !important;
}

.toc-container a {
    padding: 0.25rem 0.75rem !important;
    font-size: 0.875rem !important;
    line-height: 1.3 !important;
}

/* 3. CTA BOX EN SIDEBAR - Sin icono, más compacto, NO sticky */
.cta-box-sidebar {
    background: linear-gradient(135deg, #FF8600 0%, #FFB800 100%);
    border-radius: 10px;
    padding: 1.25rem;
    text-align: center;
    box-shadow: 0 6px 20px rgba(255, 133, 0, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-box-sidebar::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.6;
    }
}

.cta-box-sidebar:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(255, 133, 0, 0.4);
}

.cta-box-title {
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.65rem;
    position: relative;
    z-index: 1;
    line-height: 1.3;
}

.cta-box-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    position: relative;
    z-index: 1;
}

.btn-cta-box {
    background: #ffffff;
    color: #FF8600;
    font-weight: 600;
    padding: 0.65rem 1.5rem;
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 1;
}

.btn-cta-box:hover {
    background: #f8f9fa;
    color: #FF6B35;
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.btn-cta-box:active {
    transform: scale(0.98);
}

/* 4. MODAL DE CONTACTO */
.modal-content {
    border-radius: 16px;
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    color: #2c3e50;
}

.btn-close {
    opacity: 0.6;
}

.btn-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
}

.form-label {
    font-weight: 500;
    color: #495057;
    margin-bottom: 0.5rem;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 0.65rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #FF8600;
    box-shadow: 0 0 0 0.2rem rgba(255, 133, 0, 0.15);
}

.btn-submit-form {
    background: linear-gradient(135deg, #FF5722 0%, #FF6B35 100%);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.3);
}

.btn-submit-form:hover {
    background: linear-gradient(135deg, #E64A19 0%, #FF5722 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 87, 34, 0.45);
}

.btn-submit-form:active {
    transform: translateY(0);
}

/* Mensajes de éxito/error del formulario */
.alert {
    border-radius: 8px;
    font-size: 0.9rem;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

/* 5. FORMULARIO DE CONTACTO (Sección antes del footer) */
.contact-info h6 {
    font-weight: 600;
    color: #2c3e50;
}

.btn-contact-submit {
    background: linear-gradient(135deg, #FF8600 0%, #FFB800 100%);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 133, 0, 0.3);
}

.btn-contact-submit:hover {
    background: linear-gradient(135deg, #FF6B35 0%, #FF8600 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 133, 0, 0.45);
}

.btn-contact-submit:active {
    transform: translateY(0);
}

/* 6. RESPONSIVE ADJUSTMENTS */
@media (max-width: 991.98px) {
    .btn-lets-talk {
        margin-top: 1rem;
        width: 100%;
    }

    .cta-box-sidebar {
        margin-top: 2rem;
    }

    .toc-list {
        max-height: 300px;
    }
}

@media (max-width: 767.98px) {
    .cta-box-title {
        font-size: 1rem;
    }

    .cta-box-text {
        font-size: 0.85rem;
    }

    .toc-container h4 {
        font-size: 1.1rem;
    }
}