/* ==========================================================================
   NEXO MONTERREY: MOVILIDAD, AGUA Y CALOR URBANO
   Estilo Editorial Minimalista + GeoVisores SIG & Dashboards Interactivos
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* Paleta Editorial Minimalista (Blanca & Sobria) */
    --bg-main: #FFFFFF;
    --bg-surface: #F8FAFC;
    --bg-card: #F1F5F9;
    --bg-card-hover: #E2E8F0;
    
    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;
    
    /* Acentos Sobrios */
    --accent-emerald: #059669; /* Verde Bosque / Agua / Naturaleza */
    --accent-emerald-light: #D1FAE5;
    --accent-blue: #0284C7;    /* Azul Tech / Electromovilidad / Metrorrey */
    --accent-blue-light: #E0F2FE;
    --accent-amber: #D97706;   /* Alerta / Congestión / Tráfico */
    --accent-amber-light: #FEF3C7;
    --accent-rose: #E11D48;    /* Crítico / Islas de calor / Déficit */
    --accent-rose-light: #FFE4E6;

    /* Bordes y Sombras Sutiles */
    --border-color: #E2E8F0;
    --border-dark: #CBD5E1;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 12px 30px rgba(0,0,0,0.08);
    
    /* Dimensiones */
    --navbar-height: 70px;
    --max-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

html {
    scroll-behavior: smooth;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
}

body {
    overflow-x: hidden;
    line-height: 1.65;
    background-color: var(--bg-main);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
}

ul {
    list-style: none;
}

/* ==========================================================================
   UTILIDADES & COMUNES
   ========================================================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.badge-emerald { background: var(--accent-emerald-light); color: var(--accent-emerald); border-color: #A7F3D0; }
.badge-blue { background: var(--accent-blue-light); color: var(--accent-blue); border-color: #BAE6FD; }
.badge-amber { background: var(--accent-amber-light); color: var(--accent-amber); border-color: #FDE68A; }
.badge-rose { background: var(--accent-rose-light); color: var(--accent-rose); border-color: #FECDD3; }

.section-header {
    max-width: 760px;
    margin: 0 auto 60px;
    text-align: center;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ==========================================================================
   NAVBAR LIMPIO Y SOBRIO (SIN EMOJIS)
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo span {
    color: var(--accent-emerald);
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

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

.nav-back {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 18px;
    border-radius: 999px;
}

.nav-back:hover {
    background: var(--text-primary);
    color: #fff;
    border-color: var(--text-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* ==========================================================================
   HERO EDITORIAL SOBRIO
   ========================================================================== */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-main) 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text-primary);
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 50px;
    font-weight: 400;
}

/* ESTADÍSTICAS SIN TEMBLORINA (TABULAR NUMS & FIXES) */
.hero-stats-box {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-top: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    background: var(--bg-surface);
    padding: 24px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 140px;
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.stat-number.amber { color: var(--accent-amber); }
.stat-number.rose { color: var(--accent-rose); }
.stat-number.blue { color: var(--accent-blue); }
.stat-number.emerald { color: var(--accent-emerald); }

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.35;
    max-width: 180px;
}

/* ==========================================================================
   DASHBOARDS VIVOS EN FILMINAS (OVERLAY HOTSPOTS DE VERDAD)
   ========================================================================== */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.split-layout.reverse {
    grid-template-columns: 1fr 1fr;
}

.slide-viewer {
    position: sticky;
    top: 100px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-md);
}

.slide-interactive-dashboard {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: #000;
}

.slide-img-container {
    position: relative;
    overflow: hidden;
    cursor: zoom-in;
}

.slide-img-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.3s;
}

/* HOTSPOTS INTERACTIVOS EN LA DIAPOSITIVA VIVA */
.slide-hotspot-pin {
    position: absolute;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(2, 132, 199, 0.9);
    color: #FFF;
    border: 2px solid #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 0 12px rgba(2, 132, 199, 0.6);
    transition: transform 0.2s, background-color 0.2s;
    z-index: 20;
}

.slide-hotspot-pin:hover, .slide-hotspot-pin.active {
    transform: scale(1.25);
    background: var(--accent-emerald);
    box-shadow: 0 0 16px rgba(5, 150, 105, 0.8);
}

.slide-hotspot-pin::after {
    content: '';
    position: absolute;
    top: -4px; left: -4px; right: -4px; bottom: -4px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    animation: pulsePing 2s infinite;
}

@keyframes pulsePing {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

.slide-live-panel {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 14px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-height: 60px;
    transition: all 0.3s;
}

.slide-caption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 8px 4px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.slide-zoom-hint {
    color: var(--accent-blue);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Tipografía de Contenido */
.content-area h3 {
    font-size: 1.85rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.content-area p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.content-area strong {
    color: var(--text-primary);
    font-weight: 600;
}

.key-point-box {
    background: var(--bg-surface);
    border-left: 4px solid var(--accent-emerald);
    padding: 20px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 24px 0;
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.key-point-box.amber { border-left-color: var(--accent-amber); }
.key-point-box.blue { border-left-color: var(--accent-blue); }
.key-point-box.rose { border-left-color: var(--accent-rose); }

/* ==========================================================================
   MINI SIMULADOR DE CANVAS FIDGET: INFILTRACIÓN Y CONCRETO
   ========================================================================== */
.canvas-simulation-box {
    background: #FFFFFF;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 36px;
    box-shadow: var(--shadow-md);
}

.sim-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 320px;
    background: #0B0F19;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

#water-canvas, #traffic-canvas, #electro-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.sim-controls-bar {
    display: flex;
    gap: 24px;
    align-items: center;
    margin-top: 18px;
    background: var(--bg-surface);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.sim-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.sim-metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.sim-metric-val {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.sim-metric-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ==========================================================================
   GEOVISORES SIG CON LEAFLET.JS (BUG DE HOVER CORREGIDO)
   ========================================================================== */
.geovisor-container {
    background: #FFFFFF;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.geovisor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 20px;
    flex-wrap: wrap;
}

.map-leaflet-box {
    width: 100%;
    height: 480px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    z-index: 10;
}

.map-info-panel {
    margin-top: 14px;
    padding: 14px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-height: 52px;
}

.map-legend-box {
    display: flex;
    gap: 16px;
    align-items: center;
    background: var(--bg-surface);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.map-legend-thermal {
    display: flex;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.legend-thermal-item {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-align: center;
}

/* ==========================================================================
   WIDGETS Y MATRICES (SIN EMOJIS)
   ========================================================================== */
.interactive-widget {
    background: #FFFFFF;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-top: 36px;
    box-shadow: var(--shadow-md);
}

.widget-header {
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
}

.widget-header h4 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.methodology-btn {
    background: none;
    border: none;
    color: var(--accent-blue);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    margin-top: 6px;
    display: inline-block;
}

.methodology-modal-box {
    display: none;
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.range-slider {
    width: 100%;
    height: 6px;
    background: var(--bg-card-hover);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--text-primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.1s;
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.widget-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.result-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.result-val {
    font-size: 1.75rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-variant-numeric: tabular-nums;
}

.result-val.rose { color: var(--accent-rose); }
.result-val.amber { color: var(--accent-amber); }
.result-val.blue { color: var(--accent-blue); }
.result-val.emerald { color: var(--accent-emerald); }

.result-lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* MATRIZ COMPARATIVA DE DEMANDA ELÉCTRICA */
.comparison-matrix-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    font-size: 0.9rem;
}

.comparison-matrix-table th, .comparison-matrix-table td {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.comparison-matrix-table th {
    background: var(--bg-surface);
    font-weight: 700;
    color: var(--text-primary);
}

/* GADGET TÉRMICO PEATONAL */
.street-thermometer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.street-zone {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s;
}

.street-zone:hover, .street-zone.active {
    border-color: var(--text-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.zone-temp {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.zone-temp.rose { color: var(--accent-rose); }
.zone-temp.amber { color: var(--accent-amber); }
.zone-temp.emerald { color: var(--accent-emerald); }

.zone-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.zone-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   FUENTES Y BIBLIOGRAFÍA
   ========================================================================== */
.sources-grid {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.sources-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 40px;
    padding-left: 24px;
}

.sources-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sources-list a {
    color: var(--accent-blue);
    text-decoration: underline;
}

.sources-list a:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   LIGHTBOX MODAL
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 40px;
}

.lightbox-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    transform: scale(0.95);
    transition: transform 0.3s ease;
    background: #fff;
    padding: 8px;
}

.lightbox-modal.active .lightbox-content {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 24px; right: 24px;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px; height: 44px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: var(--shadow-md);
}

.lightbox-close:hover {
    background: var(--accent-rose);
    color: #fff;
    border-color: var(--accent-rose);
}

/* FOOTER SOBRIO */
.footer {
    background: var(--bg-surface);
    padding: 60px 0 40px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-primary);
    display: inline-block;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 24px 0;
}

.footer-btn {
    padding: 8px 20px;
    border-radius: 999px;
    border: 1px solid var(--border-dark);
    background: #FFFFFF;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.footer-btn:hover {
    background: var(--text-primary);
    color: #FFFFFF;
    border-color: var(--text-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .split-layout, .split-layout.reverse { grid-template-columns: 1fr; gap: 40px; }
    .slide-viewer { position: relative; top: 0; }
    .hero-content h1 { font-size: 2.75rem; }
    .sources-list { grid-template-columns: 1fr; }
    .sim-metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .stats-grid { grid-template-columns: 1fr; }
    .widget-results-grid { grid-template-columns: 1fr; }
    .street-thermometer { grid-template-columns: 1fr; }
    .map-leaflet-box { height: 360px; }
    .hero { padding: 120px 0 60px; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-stats-box { padding: 24px; }
    .sim-metrics-grid { grid-template-columns: 1fr; }
}