@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ============================================================
   style.css — Catálogo de Programas de Formación SENA 2026
   Red de Comercio y Ventas
   Vanilla CSS · Sistema de diseño con variables CSS
   ============================================================ */

/* ── 1. Variables de diseño (Design Tokens) ──────────────────────────────── */
:root {
  /* Paleta institucional */
  --verde-sena:       #27ae60;
  --verde-sena-hover: #2ecc71;
  --verde-sena-dark:  #1e8449;
  --verde-light:      rgba(39, 174, 96, 0.12);

  --azul-oscuro:      #1a3a5c;
  --azul-medio:       #1f4e79;
  --azul-suave:       #2e6fa3;
  --azul-claro:       #d6eaf8;
  --azul-texto:       #1565c0;

  --gris-bg:          #f0f4f8;
  --gris-card:        #ffffff;
  --gris-borde:       #dce6f0;
  --gris-texto:       #4a5568;
  --gris-texto-light: #718096;
  --gris-dark:        #2d3748;

  --blanco:           #ffffff;
  --negro:            #1a202c;

  /* Acentos */
  --naranja:          #e67e22;
  --rojo-logo:        #e74c3c;
  --verde-logo:       #27ae60;

  /* Sombras */
  --shadow-sm:        0 2px 8px rgba(0,0,0,.08);
  --shadow-md:        0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:        0 8px 40px rgba(0,0,0,.18);
  --shadow-card:      0 4px 24px rgba(26, 58, 92, .14);
  --shadow-btn:       0 4px 15px rgba(39, 174, 96, .4);

  /* Radios */
  --radius-sm:        8px;
  --radius-md:        14px;
  --radius-lg:        22px;
  --radius-xl:        32px;
  --radius-full:      9999px;

  /* Tipografía */
  --font-main:        'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-size-xs:     0.72rem;
  --font-size-sm:     0.85rem;
  --font-size-base:   1rem;
  --font-size-md:     1.1rem;
  --font-size-lg:     1.3rem;
  --font-size-xl:     1.6rem;
  --font-size-2xl:    2rem;

  /* Transiciones */
  --ease-out:         cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce:      cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:    150ms;
  --duration-base:    280ms;
  --duration-slow:    450ms;

  /* Layout */
  --panel-left-w:     340px;
  --max-content-w:    1100px;
}

/* ── 2. Reset y base ─────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--gris-bg);
  color: var(--gris-dark);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

ul { list-style: none; }
a  { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { max-width: 100%; display: block; }


/* ── 3. Fondo animado (partículas sutiles) ───────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(39,174,96,.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 90%, rgba(26,58,92,.07) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── 4. Contenedor principal ─────────────────────────────────────────────── */
#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── 5. Vista 1: Layout principal ────────────────────────────────────────── */
.layout-v1 {
  display: grid;
  grid-template-columns: var(--panel-left-w) 1fr;
  gap: 0;
  max-width: var(--max-content-w);
  width: 100%;
  min-height: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.layout-v1.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ── 6. Panel izquierdo ─────────────────────────────────────────────────── */
.panel-izq {
  background: linear-gradient(160deg, #ffffff 0%, #f7fbff 100%);
  border-right: 1px solid var(--gris-borde);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 32px;
  gap: 28px;
  position: relative;
  overflow: hidden;
}

.panel-izq::before {
  content: '';
  position: absolute;
  top: -60px; left: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(39,174,96,.08) 0%, transparent 70%);
  pointer-events: none;
}
.panel-izq::after {
  content: '';
  position: absolute;
  bottom: -40px; right: -40px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,58,92,.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Logo Red Comercio y Ventas */
.brand-logo-wrap {
  display: flex;
  justify-content: center;
  width: 100%;
}

.logo-red-comercio {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon-cluster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  width: 46px;
  height: 46px;
}

.logo-leaf {
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.logo-leaf:nth-child(1) { color: var(--verde-logo); grid-column: 1; grid-row: 1; }
.logo-leaf:nth-child(2) { color: var(--naranja);    grid-column: 2; grid-row: 1; }
.logo-leaf:nth-child(3) { color: var(--rojo-logo);  grid-column: 1; grid-row: 2; }

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo-red-text {
  font-size: 2rem;
  font-weight: 800;
  color: var(--azul-oscuro);
  letter-spacing: -1px;
}
.logo-sub-text {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gris-texto-light);
  letter-spacing: 0.02em;
}

/* Tarjeta intro */
.card-intro {
  background: linear-gradient(135deg, #f8fbff 0%, #eaf3fb 100%);
  border: 1.5px solid var(--azul-claro);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  width: 100%;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
}

.intro-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--azul-texto);
  line-height: 1.4;
  margin-bottom: 20px;
}
.accent-year {
  color: var(--verde-sena);
}

.btn-heart {
  background: linear-gradient(135deg, var(--verde-sena) 0%, var(--verde-sena-dark) 100%);
  border-radius: var(--radius-full);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  box-shadow: var(--shadow-btn);
  transition:
    transform var(--duration-fast) var(--ease-bounce),
    box-shadow var(--duration-fast);
}
.btn-heart:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 20px rgba(39,174,96,.55);
}
.btn-heart:active  { transform: scale(0.96); }
.btn-heart.active svg path { fill: #ff6b6b; }

.intro-subtitle {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--azul-texto);
  line-height: 1.3;
}

/* ── 7. Panel derecho ────────────────────────────────────────────────────── */
.panel-der {
  background: linear-gradient(160deg, #f5f9fd 0%, #eef4fb 100%);
  display: flex;
  flex-direction: column;
}

.sena-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 20px 28px 12px;
  border-bottom: 1px solid var(--gris-borde);
}

/* Logo SENA */
.sena-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.sena-text {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--azul-oscuro);
}
.sena-logo--small { transform: scale(0.8); transform-origin: right center; }

/* Lista de categorías */
.categoria-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 8px 0;
}

.categoria-item {
  border-bottom: 1px solid rgba(220,230,240,.7);
}
.categoria-item:last-child { border-bottom: none; }

.categoria-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: transparent;
  color: var(--azul-texto);
  font-size: var(--font-size-md);
  font-weight: 600;
  transition:
    background var(--duration-fast),
    color var(--duration-fast),
    padding-left var(--duration-fast) var(--ease-out);
  position: relative;
}

.categoria-btn::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--verde-sena);
  transform: scaleY(0);
  transition: transform var(--duration-fast) var(--ease-bounce);
  border-radius: 0 2px 2px 0;
}

.categoria-btn:hover {
  background: var(--azul-claro);
  padding-left: 36px;
}
.categoria-btn:hover::before { transform: scaleY(1); }
.categoria-btn:active { background: #bce0f8; }

.cat-titulo { flex: 1; text-align: left; }

.cat-arrow {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--azul-oscuro);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  transition:
    background var(--duration-fast),
    transform var(--duration-fast) var(--ease-bounce);
}
.categoria-btn:hover .cat-arrow {
  background: var(--verde-sena);
  transform: translateX(4px);
}

/* ── 8. Vista 2: Layout de categoría ─────────────────────────────────────── */
.layout-v2 {
  width: 100%;
  max-width: var(--max-content-w);
  opacity: 0;
  transform: translateX(32px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.layout-v2.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Barra superior */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 0 4px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-home {
  background: linear-gradient(135deg, var(--verde-sena) 0%, var(--verde-sena-dark) 100%);
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-btn);
  transition: transform var(--duration-fast) var(--ease-bounce),
              box-shadow var(--duration-fast);
}
.btn-home:hover {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 6px 20px rgba(39,174,96,.5);
}
.btn-home:active { transform: scale(0.94); }

.breadcrumb-sep {
  color: var(--gris-texto-light);
  font-size: 1.2rem;
}

.breadcrumb-current {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--azul-oscuro);
}

.top-sena {
  display: flex;
  align-items: center;
}

/* Encabezado de categoría */
.cat-header {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  margin-bottom: 24px;
  color: white;
  box-shadow: var(--shadow-md);
}

.cat-header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cat-icono {
  font-size: 2.8rem;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.2));
}

.cat-nombre {
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: -0.5px;
}

.cat-count {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  margin-top: 4px;
}

/* ── 9. Grid de programas ────────────────────────────────────────────────── */
.programas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* Tarjeta de programa */
.programa-card {
  background: var(--gris-card);
  border-radius: var(--radius-md);
  padding: 0;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1.5px solid var(--gris-borde);
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base);
}
.programa-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.programa-card:hover {
  box-shadow: 0 8px 32px rgba(26,58,92,.22);
  transform: translateY(-4px);
}

/* Top de tarjeta */
.prog-card-top {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
}

.prog-codigo-badge {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,.85);
  letter-spacing: 0.04em;
}
.prog-codigo-badge strong {
  color: white;
  font-size: var(--font-size-sm);
}

.prog-duracion {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.12);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  white-space: nowrap;
}

/* Cuerpo de tarjeta */
.prog-nombre {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--azul-oscuro);
  padding: 18px 18px 12px;
  line-height: 1.35;
  border-bottom: 1px solid var(--gris-borde);
}

.prog-section {
  padding: 14px 18px 0;
}

.prog-section-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--verde-sena-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}
.prog-section-title svg { flex-shrink: 0; }

.prog-lista {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.prog-lista li {
  font-size: var(--font-size-sm);
  color: var(--gris-texto);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.prog-lista li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--verde-sena);
  font-weight: 700;
}

/* Proyecto Formativo */
.prog-proyecto {
  padding: 14px 18px;
  background: var(--verde-light);
  margin: 14px 12px 0;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--verde-sena);
}

.proyecto-codigo {
  font-size: var(--font-size-xs);
  color: var(--verde-sena-dark);
  font-weight: 600;
  margin-top: 6px;
}

.proyecto-nombre {
  font-size: var(--font-size-sm);
  color: var(--gris-texto);
  margin-top: 4px;
  font-style: italic;
  line-height: 1.4;
}

/* Acciones */
.prog-actions {
  display: flex;
  gap: 10px;
  padding: 16px 18px 18px;
  margin-top: auto;
}

.btn-accion {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-align: center;
  transition:
    transform var(--duration-fast) var(--ease-bounce),
    box-shadow var(--duration-fast),
    filter var(--duration-fast);
  letter-spacing: 0.02em;
}
.btn-accion:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}
.btn-accion:active { transform: translateY(0) scale(0.97); }

.btn-diseño {
  background: linear-gradient(135deg, var(--verde-sena) 0%, var(--verde-sena-dark) 100%);
  color: white;
  box-shadow: 0 3px 12px rgba(39,174,96,.35);
}
.btn-desarrollo {
  background: linear-gradient(135deg, var(--azul-suave) 0%, var(--azul-oscuro) 100%);
  color: white;
  box-shadow: 0 3px 12px rgba(26,58,92,.3);
}

/* ── 10. Utilidades ──────────────────────────────────────────────────────── */
.card-glass {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ── 11. Scrollbar personalizada ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--azul-claro);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--azul-suave); }

/* ── 12. Focus visible (accesibilidad) ───────────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--verde-sena);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── 13. Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --panel-left-w: 100%;
  }

  #app { padding: 16px 12px; align-items: flex-start; }

  .layout-v1 {
    grid-template-columns: 1fr;
    border-radius: var(--radius-md);
    min-height: auto;
  }

  .panel-izq { padding: 28px 20px; }
  .panel-der { min-height: 360px; }

  .sena-header { padding: 16px 20px 10px; }
  .categoria-btn { padding: 16px 20px; }

  .programas-grid { grid-template-columns: 1fr; }

  .cat-header { padding: 18px 20px; }
  .breadcrumb-current { font-size: var(--font-size-base); }

  .prog-actions { flex-direction: column; }
}

@media (max-width: 480px) {
  .cat-header-inner { flex-direction: column; gap: 12px; text-align: center; }
}

/* ── 14. Animación de carga inicial ──────────────────────────────────────── */
@keyframes pulse-green {
  0%, 100% { box-shadow: 0 4px 15px rgba(39,174,96,.4); }
  50% { box-shadow: 0 4px 25px rgba(39,174,96,.7); }
}

.btn-heart { animation: pulse-green 2.5s ease-in-out infinite; }
.btn-heart:hover { animation: none; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}