/* ==========================================================================
   IDE CONSULTORES - HOJA DE ESTILOS INSTITUCIONAL (CSS ÚNICO)
   Manual de Marca: Azul Petróleo (#0A485E), Verde Esmeralda (#13A78A), Gris Neutro (#9A9A9A)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* --- 1. Variables de Color y Tema --- */
:root {
  /* Marca IDE */
  --ide-primary: #094b63;
  --ide-primary-dark: #223344;
  --ide-primary-light: #2c69ab;
  --ide-accent: #40ab8e;
  --ide-accent-hover: #4fb389;
  --ide-accent-soft: rgba(19, 167, 138, 0.12);
  --ide-gray: #1b1717;
  --ide-excellence: #a83c41;


  /* Tema Claro (Por defecto) */
  --bg-body: #F8FAFB;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-subtle: #EDF3F5;
  --border-color: #E2E8F0;
  --border-subtle: #EEF2F6;
  
  --text-main: #0E2833;
  --text-body: #334A56;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --shadow-sm: 0 1px 3px rgba(10, 72, 94, 0.05);
  --shadow-md: 0 4px 16px rgba(10, 72, 94, 0.08);
  --shadow-lg: 0 10px 30px rgba(10, 72, 94, 0.12);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Tema Oscuro (Elegante mate, sin negros puros #000 ni neón estridente) */
[data-theme="dark"] {
  --bg-body: #11181D;
  --bg-surface: #18222A;
  --bg-surface-elevated: #202D37;
  --bg-subtle: #24333E;
  --border-color: #2D3D4A;
  --border-subtle: #1F2C36;
  --ide-excellence: #ed3401;

  --text-main: #F1F5F9;
  --text-body: #CBD5E1;
  --text-muted: #8E9FAA;
  --text-inverse: #0E2833;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 35px rgba(0, 0, 0, 0.55);
}

/* --- 2. Reseteo y Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.65;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
}

/* --- 3. Tipografía de Marca --- */
.font-bebas {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.05em;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.25rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ide-accent);
  margin-bottom: 0.75rem;
}

.lead-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 72ch;
  line-height: 1.7;
}

/* --- 4. Layout & Contenedores --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 860px;
}

.container-wide {
  max-width: 1360px;
}

.section-padding {
  padding-top: clamp(3.5rem, 7vw, 6.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6.5rem);
}

.section-padding-sm {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

/* --- 5. Componentes: Header & Navbar --- */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* Logos y Espacios */
.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

/* Logo SVG interactivo por defecto */
.brand-logo-svg {
  height: 38px;
  width: auto;
}

.brand-logo-svg .logo-text {
  fill: var(--ide-primary);
  transition: fill var(--transition-normal);
}

.brand-logo-svg .logo-accent {
  fill: var(--ide-accent);
}

[data-theme="dark"] .brand-logo-svg .logo-text {
  fill: #FFFFFF;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  position: relative;
  padding: 0.35rem 0;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--ide-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--ide-accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Switch de Tema Claro/Oscuro */
.theme-toggle-btn {
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--border-color);
  color: var(--ide-accent);
}

.theme-icon-sun { display: none; }
.theme-icon-moon { display: block; }

[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }

/* Botón Hamburguesa Móvil */
.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* Menú Móvil Overlay */
.mobile-menu-drawer {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-surface);
  padding: 2rem 1.5rem;
  overflow-y: auto;
  z-index: 999;
  border-top: 1px solid var(--border-color);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.mobile-nav-links .nav-link {
  font-size: 1.2rem;
  font-weight: 600;
}

/* --- 6. Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--ide-primary-dark);
  border-color: var(--ide-primary-dark);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--ide-accent);
  color: #FFFFFF;
  border-color: var(--ide-accent);
}

.btn-accent:hover {
  background-color: var(--ide-accent-hover);
  border-color: var(--ide-accent-hover);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline:hover {
  border-color: var(--ide-accent);
  color: var(--ide-accent);
  background-color: var(--ide-accent-soft);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--ide-accent);
  background-color: var(--bg-subtle);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

/* --- 7. Tarjetas y Grillas --- */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition-normal);
  position: relative;
}

.card:hover {
  border-color: var(--ide-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* --- 8. Hero: La Doble Entrada (Home) --- */
.hero-wrapper {
  background: radial-gradient(circle at 80% 20%, var(--ide-accent-soft) 0%, transparent 50%), var(--bg-body);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-doble-entrada {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2.2rem;
}

.hero-card-entry {
  background-color: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.hero-card-entry:hover {
  border-color: var(--ide-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.hero-card-entry .entry-icon {
  width: 44px;
  height: 44px;
  background-color: var(--ide-accent-soft);
  color: var(--ide-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.hero-card-entry h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.hero-card-entry p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.hero-card-entry .entry-link-text {
  margin-top: 1rem;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ide-accent);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Gráfico Conceptual Nodos / Infinito */
.hero-visual-graphic {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.infinito-camino-box {
  width: 100%;
  aspect-ratio: 1.1 / 1;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

/* --- 9. Bloque 2: La Tensión y El Quiebre --- */
.tension-box {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: clamp(2rem, 5vw, 3.5rem);
  box-shadow: var(--shadow-sm);
}

/* --- 10. Bloque 3: La Brújula IDE (Diagnóstico Interactivo) --- */
.brujula-container {
  background: var(--bg-surface);
  border: 2px solid var(--ide-accent);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.brujula-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.brujula-progress-bar {
  width: 100%;
  height: 6px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-full);
  margin-bottom: 2rem;
  overflow: hidden;
}

.brujula-progress-fill {
  height: 100%;
  width: 33.33%;
  background: linear-gradient(90deg, var(--ide-primary), var(--ide-accent));
  transition: width 0.4s ease;
}

.brujula-step {
  display: none;
  animation: fadeIn 0.3s ease forwards;
}

.brujula-step.active {
  display: block;
}

.brujula-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.brujula-option-card {
  background-color: var(--bg-body);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.brujula-option-card:hover {
  border-color: var(--ide-accent);
  background-color: var(--ide-accent-soft);
  transform: translateY(-2px);
}

.brujula-option-card.selected {
  border-color: var(--ide-accent);
  background-color: var(--ide-accent-soft);
}

.brujula-radio-bullet {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}

.brujula-option-card.selected .brujula-radio-bullet {
  border-color: var(--ide-accent);
}

.brujula-option-card.selected .brujula-radio-bullet::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--ide-accent);
}

.brujula-result-box {
  background: var(--bg-body);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 1.5rem;
}

/* --- 11. Bloque 4 & 7: Metodología en 4 Pasos --- */
.method-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.method-step-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  position: relative;
}

.method-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.2rem;
  color: var(--ide-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* --- 12. Bloque 5: Ecosistema (4 Capacidades) --- */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.ecosystem-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
}

.ecosystem-card:hover {
  border-color: var(--ide-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.ecosystem-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.badge-excellence { background-color: rgba(10, 72, 94, 0.15); color: var(--ide-primary); }
[data-theme="dark"] .badge-excellence { background-color: rgba(10, 72, 94, 0.4); color: #4fb389; }

.badge-project { background-color: rgba(238, 184, 90, 0.15); color: #ed8d01; }
.badge-academy { background-color: rgba(245, 70, 11, 0.15); color: var(--ide-excellence); }
.badge-digital { background-color: rgba(99, 102, 241, 0.15); color: #2c69ab; }

/* --- 13. Modales (Pop-ups de Desafíos y Cursos) --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(10, 24, 32, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-backdrop.is-active {
  display: flex;
  opacity: 1;
}

.modal-window {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal-backdrop.is-active .modal-window {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--border-color);
  color: var(--ide-accent);
}

/* --- 14. Espacio de Imágenes Genéricas / Placeholders --- */
.img-placeholder {
  width: 100%;
  background-color: var(--bg-subtle);
  border: 1.5px dashed var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  padding: 2rem;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.img-placeholder:hover {
  border-color: var(--ide-accent);
}

.img-placeholder-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--ide-gray);
}

.img-placeholder-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- 15. Formularios --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  background-color: var(--bg-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--ide-accent);
  box-shadow: 0 0 0 3px var(--ide-accent-soft);
}

.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  display: none;
  font-size: 0.92rem;
}

.form-alert.alert-success {
  display: block;
  background-color: rgba(19, 167, 138, 0.15);
  border: 1px solid var(--ide-accent);
  color: var(--ide-accent);
}

.form-alert.alert-error {
  display: block;
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid #EF4444;
  color: #DC2626;
}

/* --- 16. Filtros de Soluciones --- */
.filters-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-body);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--ide-primary);
  border-color: var(--ide-primary);
  color: #FFFFFF;
}

/* --- 17. Footer --- */
#site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  margin-top: auto;
  transition: background-color var(--transition-normal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-logo-wrap {
  margin-bottom: 1.25rem;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.footer-link:hover {
  color: var(--ide-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- 18. Animaciones y Clases Utilitarias --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade {
  animation: fadeIn 0.4s ease forwards;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-accent { color: var(--ide-accent); }
.text-primary { color: var(--ide-primary); }
.text-muted { color: var(--text-muted); }

.bg-subtle-section {
  background-color: var(--bg-subtle);
}

.divider {
  height: 1px;
  background-color: var(--border-color);
  width: 100%;
  margin: 2rem 0;
}

/* --- 19. Media Queries (Mobile First / Responsive) --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .grid-4, .ecosystem-grid, .method-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn {
    display: none;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .mobile-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: var(--radius-full);
    padding: 0;
    transition: all var(--transition-fast);
  }

  .mobile-toggle-btn:hover {
    background: var(--border-color);
    color: var(--ide-accent);
  }

  .mobile-menu-drawer {
    display: block;
  }

  .hero-doble-entrada {
    grid-template-columns: 1fr;
  }

  .grid-2, .grid-3, .brujula-options-grid {
    grid-template-columns: 1fr;
  }

  .grid-4, .ecosystem-grid, .method-steps-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}