/* ==========================================================================
   ESTILOS PRINCIPALES - ANÁLISIS REPORTE ECOPETROL S.A. (GRI 102)
   Diseño: Académico, Moderno, Corporativo y Elegante
   Paleta: Verde Sostenibilidad, Rosado/Fucsia Editorial, Azul Turquesa y Marfil
   ========================================================================== */

:root {
  --font-heading: Arial, Helvetica, sans-serif;
  --font-serif: Arial, Helvetica, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Paleta Oficial ECOPETROL S.A. */
  --color-base: #fafaf8;
  --color-card-bg: #ffffff;
  --color-text-main: #332f2b;
  --color-text-muted: #66605b;
  --color-text-dark: #191614;

  /* Colores Primarios Oficiales */
  --eco-yellow: #f7db17;        /* Pantone 109C - Amarillo Energía */
  --eco-lima: #ccd32a;          /* Pantone 382C - Verde Lima Iguana */
  --eco-green-dark: #004236;    /* Pantone 3308C - Verde Corporativo Principal */

  /* Colores Complementarios Oficiales */
  --eco-orange: #ff5f00;        /* Pantone 166C - Naranja Dinámico */
  --eco-navy: #00214d;          /* Pantone 282C - Azul Petróleo / Gobernanza */
  --eco-cool-gray: #b5b7b8;     /* Pantone Cool Gray C */
  --eco-charcoal: #403833;      /* Pantone Black 7C */

  /* Escala Verde Corporativo Ecopetrol (Pantone 3308C: #004236) */
  --green-900: #00261f;
  --green-800: #004236;
  --green-700: #005949;
  --green-600: #00705c;
  --green-100: #e0ece9;
  --green-50: #f2f7f6;

  /* Escala Naranja Complementario Ecopetrol (Pantone 166C: #ff5f00) */
  --pink-900: #993900;
  --pink-800: #cc4c00;
  --pink-700: #e65600;
  --pink-600: #ff5f00;
  --pink-500: #ff7b29;
  --pink-100: #ffecd9;
  --pink-50: #fff6ed;

  /* Escala Azul Petróleo Ecopetrol (Pantone 282C: #00214d) */
  --cyan-900: #00122e;
  --cyan-800: #00214d;
  --cyan-700: #093166;
  --cyan-600: #0f468f;
  --cyan-500: #1a5eb5;
  --cyan-100: #e0ecf8;
  --cyan-50: #f3f7fc;

  /* Sombras sutiles */
  --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 16px 32px -4px rgba(15, 23, 42, 0.09), 0 6px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Curvas de aceleración y tiempos (Emil Kowalski Design Engine) */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-spring: cubic-bezier(0.34, 1.35, 0.64, 1);
  --duration-snap: 140ms;
  --duration-ui: 200ms;
  --duration-modal: 240ms;
}

/* Reset y base */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  background-color: var(--color-base);
  color: var(--color-text-main);
  font-family: var(--font-body);
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-dark);
  line-height: 1.25;
  margin-top: 0;
}

.font-editorial {
  font-family: var(--font-serif);
}

.font-mono-code {
  font-family: var(--font-mono);
}

/* Barra de progreso de lectura con los 4 colores oficiales de Ecopetrol */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3.5px;
  background: linear-gradient(90deg, #004236 0%, #ccd32a 35%, #f7db17 70%, #ff5f00 100%);
  z-index: 100;
  width: 0%;
  transition: width 0.1s ease-out;
}

/* Enlaces de la barra superior corporativa */
.nav-link {
  position: relative;
  transition: color var(--duration-ui) var(--ease-out), background-color var(--duration-ui) var(--ease-out);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--eco-lima, #ccd32a);
  transition: all var(--duration-ui) var(--ease-out);
  transform: translateX(-50%);
  border-radius: 9999px;
}

.nav-link:hover::after {
  width: calc(100% - 1.2rem);
}

/* ==========================================================================
   Fondos Temáticos e Identidad Visual Oficial ECOPETROL
   ========================================================================== */
.hero-academic-bg {
  position: relative;
  background-color: #fafaf8;
  background-image: url('../img/bg-light-waves.jpg');
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}

.hero-academic-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84) 0%, rgba(250, 250, 248, 0.90) 65%, rgba(244, 247, 245, 0.98) 100%);
  pointer-events: none;
}


.bg-pattern-dots {
  background-image: radial-gradient(rgba(0, 66, 55, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
}

.bg-pattern-grid {
  background-image: linear-gradient(to right, rgba(0, 33, 77, 0.03) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0, 33, 77, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

.footer-corporate-bg {
  position: relative;
  background-color: #0E0C5A;
  background-image: url('../img/bg-dark-corporate.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.footer-corporate-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 12, 90, 0.90) 0%, rgba(0, 33, 77, 0.95) 100%);
  pointer-events: none;
}

/* Encabezados de sección académicos */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-title {
  color: var(--green-800);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-divider {
  width: 60px;
  height: 4px;
  border-radius: 9999px;
  background: linear-gradient(90deg, #004236, #ccd32a);
}

/* Tarjetas interactivas de Conceptos */
.concept-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  border: 1.5px solid #e2e8f0;
  transition: transform var(--duration-ui) var(--ease-out), box-shadow var(--duration-ui) var(--ease-out), border-color var(--duration-ui) var(--ease-out);
  box-shadow: var(--shadow-soft);
  position: relative;
  display: flex;
  flex-direction: column;
}

@media (hover: hover) and (pointer: fine) {
  .concept-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .concept-card.accent-pink:hover {
    border-color: var(--pink-600);
    box-shadow: 0 14px 28px -4px rgba(255, 95, 0, 0.15);
  }

  .concept-card.accent-cyan:hover {
    border-color: var(--cyan-800);
    box-shadow: 0 14px 28px -4px rgba(0, 33, 77, 0.15);
  }

  .concept-card.accent-green:hover {
    border-color: var(--green-800);
    box-shadow: 0 14px 28px -4px rgba(0, 66, 55, 0.15);
  }
}

/* Iconos de tarjetas */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  transition: transform 0.25s ease;
}

.concept-card:hover .icon-box {
  transform: scale(1.08);
}

/* Conectores visuales del esquema (Jerarquía conceptual) */
.flow-arrow-down {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
  position: relative;
}

.flow-arrow-line {
  width: 3px;
  height: 38px;
  background: linear-gradient(180deg, var(--cyan-500), var(--pink-500));
  border-radius: 9999px;
}

.flow-arrow-badge {
  background: white;
  border: 2px solid var(--cyan-600);
  color: var(--cyan-800);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.85rem;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(8, 145, 178, 0.15);
  margin-top: -12px;
}

/* Línea de tiempo metodológica */
.timeline-step {
  position: relative;
  transition: transform 0.25s ease;
}

.timeline-step:hover {
  transform: translateY(-3px);
}

.timeline-node {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  z-index: 2;
  box-shadow: 0 0 0 4px white, 0 4px 10px rgba(0,0,0,0.08);
}

/* Tabla de Cumplimiento GRI */
.gri-table-container {
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  background: white;
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.gri-table {
  width: 100%;
  min-width: 960px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.885rem;
}

.gri-table th {
  background-color: #f8fafc;
  color: var(--color-text-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid #e2e8f0;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.gri-table td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: top;
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
}

.gri-table tbody tr {
  transition: background-color 0.15s ease;
}

.gri-table tbody tr:hover {
  background-color: #f8fafc;
}

/* Indicadores tipo Semáforo y Badges */
.dot-semaforo {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.badge-semaforo-green {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.badge-semaforo-amber {
  background-color: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.badge-semaforo-orange {
  background-color: #fff7ed;
  color: #9a3412;
  border: 1px solid #fed7aa;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.815rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
  box-sizing: border-box;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Cumple: Fondo menta suave, texto verde institucional Ecopetrol, borde verde claro */
.status-badge.status-cumple {
  background-color: #e6f7f2;
  color: #004236;
  border: 1px solid #a7f3d0;
}
.status-badge.status-cumple i {
  color: #004236;
  font-size: 0.95em;
}

/* Cumple Parcialmente: Fondo celeste claro, texto azul marino, borde celeste */
.status-badge.status-parcial {
  background-color: #edf6fd;
  color: #003865;
  border: 1px solid #93c5fd;
}
.status-badge.status-parcial i {
  color: #003865;
  font-size: 0.95em;
}

/* No Evidenciado: Fondo durazno claro, texto naranja óxido, borde durazno */
.status-badge.status-nocumple,
.status-badge.status-noevidenciado {
  background-color: #fff4eb;
  color: #c2410c;
  border: 1px solid #fed7aa;
}
.status-badge.status-nocumple i,
.status-badge.status-noevidenciado i {
  color: #c2410c;
  font-size: 0.95em;
}

/* Estado Todos */
.status-badge.status-all {
  background-color: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}

/* Botones interactivos de la barra de filtros */
.table-filter-btn {
  cursor: pointer;
  user-select: none;
  font-family: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.table-filter-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.06);
}

.table-filter-btn.active {
  font-weight: 800;
  box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px currentColor;
  transform: translateY(-0.5px);
}

.table-filter-btn.status-all.active {
  background-color: #0E0C5A;
  color: #ffffff;
  border-color: #0E0C5A;
  box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px #0E0C5A;
}

/* Tarjetas de Hallazgos Clave */
.card-finding {
  border-radius: 1rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}

.card-finding:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

.card-finding-green {
  border-top: 4px solid #004236;
}

.card-finding-amber {
  border-top: 4px solid #d97706;
}

.card-finding-orange {
  border-top: 4px solid #ff5f00;
}

/* Botones con estilo moderno oficial Ecopetrol */
.btn-primary {
  background: linear-gradient(135deg, var(--green-700), var(--green-800));
  color: white;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--duration-snap) var(--ease-out), box-shadow var(--duration-snap) var(--ease-out), background-color var(--duration-ui) var(--ease-out);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 66, 55, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--green-800), var(--green-900));
  transform: translateY(-1.5px);
  box-shadow: 0 6px 16px rgba(0, 66, 55, 0.35);
}

.btn-primary:active {
  transform: scale(0.98);
  transition-duration: 80ms;
}

.btn-accent {
  background: linear-gradient(135deg, var(--pink-600), var(--pink-700));
  color: white;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--duration-snap) var(--ease-out), box-shadow var(--duration-snap) var(--ease-out), background-color var(--duration-ui) var(--ease-out);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(255, 95, 0, 0.25);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--pink-700), var(--pink-800));
  transform: translateY(-1.5px);
  box-shadow: 0 6px 16px rgba(255, 95, 0, 0.35);
}

.btn-accent:active {
  transform: scale(0.98);
  transition-duration: 80ms;
}

.btn-outline-cyan {
  background: transparent;
  color: var(--cyan-800);
  border: 1.5px solid var(--cyan-800);
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: transform var(--duration-snap) var(--ease-out), background-color var(--duration-snap) var(--ease-out), border-color var(--duration-snap) var(--ease-out);
  cursor: pointer;
}

.btn-outline-cyan:hover {
  background-color: var(--cyan-50);
  border-color: var(--cyan-900);
  color: var(--cyan-900);
}

.btn-outline-cyan:active {
  transform: scale(0.98);
  transition-duration: 80ms;
}

/* Modales con animación natural de entrada (Emil Kowalski recipe) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-modal) var(--ease-out), visibility var(--duration-modal) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-modal);
  transform: scale(0.96) translateY(8px);
  transition: transform var(--duration-modal) var(--ease-spring);
  border: 1px solid #e2e8f0;
}

.modal-overlay.active .modal-box {
  transform: scale(1) translateY(0);
}

/* Tarjetas numeradas de Conclusiones */
.conclusion-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  padding: 1.75rem;
  box-shadow: var(--shadow-soft);
  position: relative;
  transition: all 0.25s ease;
  overflow: hidden;
}

.conclusion-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
}

.conclusion-card.accent-green::before { background-color: var(--green-600); }
.conclusion-card.accent-pink::before { background-color: var(--pink-600); }
.conclusion-card.accent-cyan::before { background-color: var(--cyan-600); }

.conclusion-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.conclusion-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1;
  opacity: 0.85;
}

/* ==========================================================================
   REACTBITS PRO: PLAYFUL MOTION SYSTEM
   Micro-interacciones físicas, 3D Tilt, Spotlight y Spring Physics
   ========================================================================== */

/* 1. Tarjetas con Spotlight Interactivo & Tilt 3D */
.spotlight-card {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s ease;
}

.spotlight-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    420px circle at var(--spotlight-x, -999px) var(--spotlight-y, -999px),
    rgba(204, 211, 42, 0.12),
    transparent 70%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 2;
  border-radius: inherit;
}

.spotlight-card:hover::after {
  opacity: 1;
}

/* 2. Botones Magnéticos y Elásticos */
.magnetic-btn {
  will-change: transform;
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}

.magnetic-btn:active {
  transform: scale(0.95) !important;
  transition-duration: 0.08s;
}

/* 3. Animaciones de Entrada con Rebote Suave (Scroll Reveal) */
.playful-reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: opacity, transform;
}

.playful-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* 4. Contador de Números Dinámico (CountUp) */
.countup-number {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* 5. Micro-animación de la Iguana Oficial */
.group:hover .logo-iguana-playful {
  animation: iguanaWiggle 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes iguanaWiggle {
  0% { transform: scale(1) rotate(0deg); }
  25% { transform: scale(1.08) rotate(-3deg); }
  50% { transform: scale(1.08) rotate(3deg); }
  75% { transform: scale(1.04) rotate(-1deg); }
  100% { transform: scale(1) rotate(0deg); }
}

/* Botón flotante Volver Arriba */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: white;
  color: var(--green-800);
  border: 2px solid var(--cyan-500);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.25s ease;
  z-index: 90;
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  background: var(--green-700);
  color: white;
  border-color: var(--green-700);
  transform: translateY(-3px);
}

/* Estilos de impresión para entregas académicas limpias */
@media print {
  nav, #back-to-top, .modal-overlay, .btn-primary, .btn-accent, .btn-outline-cyan, #student-edit-btn {
    display: none !important;
  }
  body {
    background: white !important;
    color: black !important;
  }
  .concept-card, .conclusion-card, .gri-table-container {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
}

/* Accesibilidad: Respeto por preferencias de movimiento reducido (Emil Kowalski rule) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .concept-card:hover, .timeline-step:hover, .conclusion-card:hover, .btn-primary:hover, .btn-accent:hover {
    transform: none !important;
  }
  .modal-box {
    transform: none !important;
  }
}