/* ==========================================================================
   VARIABLES CSS - COLORES GRUPO SICA
   ========================================================================== */

:root {
  /* Colores del sitio */
  --color-verde-primario: #8CC63F;
  --color-azul-medio: #4AA9D9;
  --color-azul-marino: #27326E;
  --color-texto-principal: #0e1420;
  --color-texto-secundario: #5b677a;
  
  /* Gradientes */
  --gradient-azul: linear-gradient(135deg, var(--color-azul-medio) 0%, var(--color-azul-marino) 100%);
  
  /* Tipografía */
  --font-family: 'Poppins', sans-serif;
  --font-regular: 400;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Breakpoints */
  --mobile: 480px;
  --tablet: 768px;
  --desktop: 1024px;
  
  /* Espaciado */
  --section-padding: 80px 0;
  --container-padding: 0 20px;
  --border-radius: 14px;
  
  /* Sombras */
  --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 12px 35px rgba(0, 0, 0, 0.2);
  
  /* Transiciones */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
}

/* ==========================================================================
   RESET Y BASE
   ========================================================================== */

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

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

body {
  font-family: var(--font-family);
  font-weight: var(--font-regular);
  color: var(--color-texto-principal);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition-fast);
}

input, textarea, select {
  font-family: inherit;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

/* Focus visible para accesibilidad */
*:focus-visible {
  outline: 2px solid var(--color-verde-primario);
  outline-offset: 2px;
}

/* ==========================================================================
   LAYOUT CONTENEDOR
   ========================================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ==========================================================================
   HEADER FIJO
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  z-index: 1000;
  transition: var(--transition-fast);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.nav-logo img {
  height: auto;
  max-height: 70px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-fast);
}

.nav-logo:hover img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  gap: 40px;
}

.nav-menu a {
  font-weight: var(--font-semibold);
  color: var(--color-texto-principal);
  position: relative;
  padding: 8px 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-verde-primario);
  transition: var(--transition-fast);
}

.nav-menu a:hover::after,
.nav-menu a:focus::after {
  width: 100%;
}

/* Botón Hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}

.hamburger {
  width: 25px;
  height: 3px;
  background: var(--color-texto-principal);
  transition: var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ==========================================================================
   BANNER PRINCIPAL / SLIDER
   ========================================================================== */

.hero {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.banner-slider {
  position: relative;
  width: 100%;
  height: 100vh;
}

.slider-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.slides {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  transition: transform 0.8s ease-in-out;
}

.slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(39, 50, 110, 0.4);
}

/* Controles del Slider */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-azul-marino);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  opacity: 0;
  transition: var(--transition-fast);
  z-index: 10;
}

.banner-slider:hover .slider-arrow {
  opacity: 1;
}

.slider-prev {
  left: 30px;
}

.slider-next {
  right: 30px;
}

.slider-arrow:hover {
  background: white;
  transform: translateY(-50%) scale(1.1);
}

/* Dots del Banner */
.slider-dots {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dot.active,
.dot:hover {
  background: var(--color-verde-primario);
  transform: scale(1.2);
}

/* Contenido Hero */
.hero-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 5;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: white;
  max-width: 800px;
  margin: 0 auto 40px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   BOTONES CTA
   ========================================================================== */

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: var(--font-semibold);
  text-decoration: none;
  transition: var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
}

.cta-primary {
  background: var(--color-verde-primario);
  color: white;
}

.cta-primary:hover {
  background: #7ab835;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.cta-secondary {
  background: transparent;
  color: var(--color-verde-primario);
  border-color: var(--color-verde-primario);
}

.cta-secondary:hover {
  background: var(--color-verde-primario);
  color: white;
}

/* ==========================================================================
   SECCIONES GENERALES
   ========================================================================== */

section {
  padding: var(--section-padding);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: var(--font-bold);
  text-align: center;
  margin-bottom: 50px;
  color: var(--color-texto-principal);
}

h3 {
  font-size: 1.3rem;
  font-weight: var(--font-semibold);
  margin-bottom: 15px;
}

p {
  color: var(--color-texto-secundario);
  margin-bottom: 20px;
}

/* ==========================================================================
   QUIÉNES SOMOS
   ========================================================================== */

.quienes {
  background: #f8f9fa;
}

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

.intro {
  font-size: 1.1rem;
  margin-bottom: 60px;
  color: var(--color-texto-principal);
}

.mision-vision {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.mision, .vision {
  background: white;
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  text-align: left;
}

.mision h3, .vision h3 {
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--color-azul-marino);
  margin-bottom: 20px;
}

.mision h3 i, .vision h3 i {
  font-size: 1.5rem;
  color: var(--color-verde-primario);
}

/* ==========================================================================
   SERVICIOS
   ========================================================================== */

.servicios {
  background: var(--gradient-azul);
  color: white;
}

.servicios h2 {
  color: white;
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.servicios-bloque {
  display: contents; /* Esto hace que los hijos se coloquen directamente en el grid padre */
}

.card-servicio {
  background: var(--color-verde-primario);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  position: relative;
  transition: var(--transition-fast);
}

.card-servicio:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.card-icon {
  position: absolute;
  top: -15px;
  right: 20px;
  background: white;
  color: var(--color-verde-primario);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-light);
}

.card-servicio h3 {
  color: white;
  font-size: 1.4rem;
  margin-bottom: 20px;
  margin-right: 70px;
}

.card-servicio ul {
  list-style: none;
}

.card-servicio li {
  color: white;
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.card-servicio li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: white;
  font-weight: bold;
}

.servicios-cta {
  text-align: center;
}

/* ==========================================================================
   SLIDER DE SERVICIOS (FOTOS)
   ========================================================================== */

.servicios-slider {
  background: #f8f9fa;
  padding: 60px 0;
}

.slider-servicios {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.slider-track {
  display: flex;
  transition: transform 0.6s ease;
}

.servicio-slide {
  flex: 0 0 33.333%;  /* 3 slides en desktop */
  height: 400px;
  padding: 0 10px;
  box-sizing: border-box;
}

.servicio-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius);
}

/* ==========================================================================
   CURSOS
   ========================================================================== */

.cursos {
  background: white;
}

.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.cursos-columna {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.curso-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.curso-item:hover {
  background: #e9ecef;
  transform: translateX(5px);
}

.curso-item i {
  color: var(--color-verde-primario);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.curso-item span {
  color: var(--color-texto-principal);
  font-size: 0.95rem;
  line-height: 1.4;
}

/* ==========================================================================
   BENEFICIOS
   ========================================================================== */

.beneficios {
  background: #f8f9fa;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.beneficio-item {
  background: white;
  padding: 40px 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  text-align: center;
  transition: var(--transition-fast);
}

.beneficio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.beneficio-icon {
  margin-bottom: 20px;
}

.beneficio-icon i {
  font-size: 3rem;
  color: var(--color-verde-primario);
}

.beneficio-item h3 {
  color: var(--color-azul-marino);
  margin-bottom: 15px;
}

.beneficios-cta {
  text-align: center;
}

/* ==========================================================================
   SLIDER DE CLIENTES
   ========================================================================== */

.clientes {
  background: white;
  padding: 80px 0;
}

.clientes-slider {
  position: relative;
  overflow: hidden;
}

.clientes-track {
  display: flex;
  transition: transform 0.6s ease;
}

.cliente-slide {
  flex: 0 0 25%;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cliente-slide img {
  max-width: 200px;
  max-height: 130px;
  object-fit: contain;
  filter: grayscale(0%);
  transition: var(--transition-fast);
  opacity: 1;
}

.cliente-slide:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.1);
}

/* ==========================================================================
   CONTACTO
   ========================================================================== */

.contacto {
  background: var(--gradient-azul);
  color: white;
}

.contacto h2 {
  color: white;
}

.contacto-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--color-verde-primario);
  margin-top: 5px;
  flex-shrink: 0;
}

.info-item h3 {
  color: white;
  margin-bottom: 5px;
}

.info-item p,
.info-item a {
  color: rgba(255, 255, 255, 0.9);
}

.info-item a:hover {
  color: var(--color-verde-primario);
}

.mapa {
  margin-top: 20px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
}

/* Formulario */
.contacto-form {
  background: rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  color: white;
  font-weight: var(--font-semibold);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-texto-principal);
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  background: white;
  border-color: var(--color-verde-primario);
  box-shadow: 0 0 0 3px rgba(140, 198, 63, 0.3);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
}

.error-message {
  color: #ff6b6b;
  font-size: 0.9rem;
  margin-top: 5px;
  display: none;
  font-weight: 500;
}

.btn-loading {
  display: none !important;
  align-items: center;
  gap: 8px;
}

.btn-loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  display: none;
}

.form-message.success {
  background: rgba(140, 198, 63, 0.2);
  border: 1px solid var(--color-verde-primario);
  color: var(--color-verde-primario);
}

.form-message.error {
  background: rgba(255, 107, 107, 0.2);
  border: 1px solid #ff6b6b;
  color: #ff6b6b;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer-top {
  background: var(--color-verde-primario);
  padding: 30px 0;
  text-align: center;
}

.footer-top p {
  color: white;
  font-size: 1.2rem;
  font-weight: var(--font-semibold);
  margin: 0;
}

.footer-bottom {
  background: var(--color-azul-marino);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  font-size: 0.9rem;
}

/* ==========================================================================
   WHATSAPP FLOTANTE
   ========================================================================== */

.whatsapp-fab {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  box-shadow: var(--shadow-heavy);
  z-index: 1000;
  transition: var(--transition-fast);
  animation: pulse 2s infinite;
}

.whatsapp-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablet */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
    --container-padding: 0 15px;
  }
  
  /* Header */
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-medium);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  /* Banner */
  .slider-arrow {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  
  .slider-prev {
    left: 15px;
  }
  
  .slider-next {
    right: 15px;
  }
  
  .slider-dots {
    bottom: 60px;
  }
  
  /* Servicios */
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  
  /* Slider de servicios - Tablet */
  .servicio-slide {
    flex: 0 0 50%; /* 2 slides en tablet */
  }
  
  /* Contacto */
  .contacto-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  /* Clientes */
  .cliente-slide {
    flex: 0 0 50%;
  }
  
  /* Cursos */
  .cursos-grid {
    grid-template-columns: 1fr;
  }
  
  /* Beneficios */
  .beneficios-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --section-padding: 50px 0;
    --container-padding: 0 10px;
  }
  
  /* Header */
  .nav-container {
    padding: 12px 15px;
  }
  
  .nav-logo img {
    /* Forzar proporciones correctas y evitar aplastamiento */
    height: auto !important;
    max-height: 55px;
    width: auto !important;
    max-width: 180px;
    min-width: 90px;
    object-fit: contain;
    display: block;
  }
  
  /* Banner */
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .slider-dots {
    bottom: 40px;
  }
  
  /* Cards */
  .card-servicio {
    padding: 25px 20px;
  }
  
  /* Servicios */
  .servicios-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .card-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    top: -10px;
    right: 15px;
  }  /* Mision Vision */
  .mision-vision {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .mision, .vision {
    padding: 30px 20px;
  }
  
  /* Slider de servicios - Mobile */
  .servicio-slide {
    flex: 0 0 100%; /* 1 slide en mobile */
  }
  
  /* Beneficios */
  .beneficios-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  /* Clientes */
  .cliente-slide {
    flex: 0 0 100%;
  }  /* Formulario */
  .contacto-form {
    padding: 30px 20px;
  }
  
  .form-actions {
    gap: 10px;
  }
  
  .cta {
    padding: 12px 25px;
    font-size: 0.9rem;
  }
  
  /* WhatsApp */
  .whatsapp-fab {
    width: 55px;
    height: 55px;
    bottom: 20px;
    right: 20px;
    font-size: 1.6rem;
  }
  
  /* Curso items */
  .curso-item {
    padding: 12px;
  }
  
  .curso-item span {
    font-size: 0.9rem;
  }
  
  /* Beneficios */
  .beneficio-item {
    padding: 30px 20px;
  }
  
  .beneficio-icon i {
    font-size: 2.5rem;
  }
}

/* Large Desktop */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
  
  .hero-content h1 {
    font-size: 4.5rem;
  }
  
  .hero-content p {
    font-size: 1.4rem;
  }
}