/* ==========================================================================
   TILCANET - Plataforma Digital & Soluciones Tecnológicas en Tilcara
   Sitio Web Oficial: www.tilcanet.com.ar
   Desarrollado y mantenido por: Cristian Alberto Pérez
   Ubicación: Tilcara, Quebrada de Humahuaca, Jujuy, Argentina
   ========================================================================== */

/* --- Importación de Tipografías desde Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&family=Fira+Code:wght@400;500&display=swap');

/* --- Variables y Paleta de Colores (Inspirada en Tilcara & Tecnología) --- */
:root {
  /* Paleta Base Andina & Cyber */
  --bg-dark: #090d16;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(28, 39, 64, 0.85);
  --border-card: rgba(212, 163, 115, 0.2);
  --border-glow: rgba(0, 242, 254, 0.4);
  
  /* Colores Principales de Marca */
  --color-primary: #00f2fe;        /* Cyan Neón / Fibra Óptica */
  --color-primary-dark: #4facfe;   /* Azul Profundo Digital */
  --color-accent: #e76f51;         /* Terracota / Cerro de los Siete Colores */
  --color-sun: #f4a261;            /* Sol Puneño / Dorado */
  --color-cardon: #2a9d8f;         /* Verde Cardón Nativo */
  --color-text-main: #f8fafc;      /* Blanco Puro */
  --color-text-muted: #94a3b8;     /* Gris Claro */
  
  /* Tipografías */
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-code: 'Fira Code', monospace;
  
  /* Efectos y Sombras */
  --shadow-glow: 0 0 25px rgba(0, 242, 254, 0.15);
  --shadow-accent: 0 10px 30px rgba(231, 111, 81, 0.2);
  --glass-backdrop: blur(16px);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Resets y Estilos Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-dark);
  color: var(--color-text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Canvas de Fondo Interactiva */
#canvas-network {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.85;
}

/* Enlaces y Selección */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-sun);
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(231, 111, 81, 0.4);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* --- Contenedor Global --- */
.container {
  width: 90%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* --- Badges de Flora y Fauna Nativa (Sello Tilcaranqueño) --- */
.badge-native {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
  border: 1px solid currentColor;
  backdrop-filter: var(--glass-backdrop);
}

.badge-cardon {
  color: #52c41a;
  background: rgba(82, 196, 26, 0.1);
}

.badge-condor {
  color: var(--color-primary);
  background: rgba(0, 242, 254, 0.1);
}

.badge-vicuna {
  color: var(--color-sun);
  background: rgba(244, 162, 97, 0.1);
}

.badge-taruca {
  color: var(--color-accent);
  background: rgba(231, 111, 81, 0.1);
}

.badge-flor {
  color: #ff85c0;
  background: rgba(255, 133, 192, 0.1);
}

.badge-yacoraite {
  color: #ffc069;
  background: rgba(255, 192, 105, 0.1);
}

.badge-edu {
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.4);
}

/* --- Encabezado / Barra de Navegación --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  padding: 0.75rem 0;
  background: rgba(9, 13, 22, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo TilcaNet */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.brand-logo .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-sun));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(231, 111, 81, 0.4);
}

.brand-logo span.highlight {
  color: var(--color-primary);
}

/* Menú de Navegación */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.main-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.btn-nav-cta {
  background: linear-gradient(135deg, var(--color-accent), var(--color-sun));
  color: #fff !important;
  padding: 0.6rem 1.4rem !important;
  border-radius: 50px;
  font-weight: 600 !important;
  box-shadow: var(--shadow-accent);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.btn-nav-cta::after {
  display: none !important;
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(231, 111, 81, 0.4);
}

/* Hamburguesa Mobile */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

/* --- Hero Section (Pucará Digital) --- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(9, 13, 22, 0.4) 0%, var(--bg-dark) 100%),
              url('../assets/images/hero-bg.png') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(0, 242, 254, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 80% 70%, rgba(231, 111, 81, 0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text-box h1 {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, var(--color-primary) 60%, var(--color-sun) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text-box p.lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-location-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-sun);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
  background: rgba(244, 162, 97, 0.12);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(244, 162, 97, 0.3);
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #090d16;
  font-weight: 700;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  color: #000;
  box-shadow: 0 10px 30px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-weight: 600;
  padding: 0.9rem 2rem;
  border-radius: 50px;
  backdrop-filter: blur(8px);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent);
  color: #fff;
  transform: translateY(-3px);
}

/* Tarjeta Hero Visual */
.hero-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: var(--glass-backdrop);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  position: relative;
  transform-style: preserve-3d;
  transition: transform var(--transition-smooth);
}

.hero-visual-card:hover {
  border-color: var(--border-glow);
}

.visual-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.visual-title {
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-left: auto;
}

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

.stat-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-sun);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Secciones Generales --- */
section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 4rem auto;
}

.section-header h2 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* --- Sección Cardón: Quiénes Somos (Cristian Alberto Pérez) --- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-wrapper img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-card);
}

.about-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-sun));
  color: #fff;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-accent);
  text-align: center;
  max-width: 180px;
}

.about-experience-badge span.num {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.about-experience-badge span.lbl {
  font-size: 0.85rem;
  font-weight: 600;
}

.about-bio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: var(--glass-backdrop);
}

.about-bio-card h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #fff;
}

.about-bio-card p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.key-values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.value-item i {
  color: var(--color-primary);
  font-size: 1.4rem;
  margin-top: 0.1rem;
}

.value-item h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.value-item p {
  font-size: 0.85rem;
  margin: 0;
}

/* --- Sección Cóndor: Servicios Tecnológicos --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: var(--glass-backdrop);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: 0 15px 35px rgba(0, 242, 254, 0.15);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 60px;
  height: 60px;
  background: rgba(0, 242, 254, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.service-card:nth-child(2) .service-icon-box {
  background: rgba(231, 111, 81, 0.1);
  color: var(--color-accent);
  border-color: rgba(231, 111, 81, 0.2);
}

.service-card:nth-child(3) .service-icon-box {
  background: rgba(244, 162, 97, 0.1);
  color: var(--color-sun);
  border-color: rgba(244, 162, 97, 0.2);
}

.service-card:nth-child(4) .service-icon-box {
  background: rgba(42, 157, 143, 0.1);
  color: var(--color-cardon);
  border-color: rgba(42, 157, 143, 0.2);
}

.service-card h3 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 0.8rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: #e2e8f0;
  margin-bottom: 0.6rem;
}

.service-features li i {
  color: var(--color-primary);
  font-size: 0.85rem;
}

/* --- Sección Vicuña: Proyectos Digitales, Web & Hosting --- */
.solutions-banner {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  backdrop-filter: var(--glass-backdrop);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 3rem;
}

.solutions-text h3 {
  font-family: var(--font-title);
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #fff;
}

.solutions-text p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

.hosting-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.spec-item {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.spec-item strong {
  display: block;
  color: var(--color-sun);
  font-size: 1.1rem;
}

.spec-item span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.solutions-image img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

/* --- Sección Flor del Cardón: Páginas Amigas --- */
.friends-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.friend-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  backdrop-filter: var(--glass-backdrop);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.friend-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-sun);
}

.friend-avatar {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--color-sun), var(--color-accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.25rem auto;
  box-shadow: 0 8px 20px rgba(244, 162, 97, 0.3);
}

.friend-card h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.friend-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.friend-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  transition: all var(--transition-fast);
}

.friend-link-btn:hover {
  background: var(--color-primary);
  color: #090d16;
}

/* --- Sección Yacoraite: Contacto & Redes --- */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: var(--glass-backdrop);
}

.contact-info-card h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: #fff;
  margin-bottom: 1.5rem;
}

.contact-method-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  padding: 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color var(--transition-fast);
}

.contact-method-item:hover {
  border-color: var(--color-primary);
}

.contact-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-details a,
.contact-details span {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

/* Tarjeta Discord */
.discord-box {
  background: rgba(88, 101, 242, 0.1);
  border: 1px solid rgba(88, 101, 242, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
}

.discord-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.discord-info i {
  font-size: 2rem;
  color: #5865F2;
}

.discord-user strong {
  display: block;
  color: #fff;
}

.discord-user span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.btn-copy-discord {
  background: #5865F2;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.btn-copy-discord:hover {
  background: #4752c4;
}

/* Formulario Directo */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: var(--glass-backdrop);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.08);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* --- Botón Flotante de WhatsApp --- */
.whatsapp-float-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.whatsapp-tooltip {
  background: rgba(9, 13, 22, 0.95);
  color: #fff;
  padding: 0.6rem 1.1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(37, 211, 102, 0.4);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  white-space: nowrap;
  animation: floatPulse 3s ease-in-out infinite;
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2.2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.whatsapp-btn::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid #25d366;
  opacity: 0.6;
  animation: pulseRing 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
  color: #fff;
}

@keyframes pulseRing {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

@keyframes floatPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* --- Pie de Página (Footer) --- */
.site-footer {
  background: #05070c;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4rem 0 2rem 0;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: 1rem;
  max-width: 380px;
}

.footer-links h4,
.footer-social h4 {
  font-family: var(--font-title);
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background: var(--color-primary);
  color: #090d16;
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* --- Notificación Toast --- */
.toast-notification {
  position: fixed;
  top: 30px;
  right: 30px;
  background: rgba(18, 26, 43, 0.95);
  border: 1px solid var(--color-primary);
  color: #fff;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(-100px);
  opacity: 0;
  transition: all var(--transition-smooth);
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* --- Media Queries / Responsividad --- */
@media (max-width: 992px) {
  .hero-content,
  .about-grid,
  .solutions-banner,
  .contact-container,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(9, 13, 22, 0.98);
    backdrop-filter: blur(20px);
    padding: 6rem 2rem 2rem 2rem;
    transition: right var(--transition-smooth);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .main-nav.open {
    right: 0;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero-actions {
    flex-direction: column;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .whatsapp-tooltip {
    display: none;
  }
  
  .key-values-grid,
  .visual-stats-grid,
  .hosting-specs-grid,
  .edu-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   TILCANET EDU - SECCIÓN Y COMPONENTES PROMOCIONALES (edu.tilcanet.com.ar)
   ========================================================================== */

/* Badge 'NUEVO' en Navegación */
.badge-nav-new {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #ffffff;
  font-size: 0.625rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 0.3rem;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
  animation: pulse-glow 2s infinite alternate;
}

@keyframes pulse-glow {
  0% { transform: scale(1); box-shadow: 0 0 8px rgba(245, 158, 11, 0.5); }
  100% { transform: scale(1.08); box-shadow: 0 0 16px rgba(245, 158, 11, 0.9); }
}

.nav-edu-link {
  color: #fbbf24 !important;
  font-weight: 600 !important;
}
.nav-edu-link:hover {
  color: #ffffff !important;
}

/* Banner de Anuncio en Hero Section */
.hero-edu-announcement {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(18, 26, 43, 0.85);
  border: 1px solid rgba(251, 191, 36, 0.35);
  padding: 0.4rem 1rem 0.4rem 0.5rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(10px);
  text-decoration: none !important;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-edu-announcement:hover {
  border-color: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(251, 191, 36, 0.25);
}

.hero-edu-announcement .announcement-text {
  color: var(--color-text-main);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-edu-announcement .announcement-text strong {
  color: #fbbf24;
}

/* Botón Especial para TilcaNet Edu */
.btn-edu {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #0f172a !important;
  font-weight: 700;
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1rem;
  box-shadow: 0 6px 22px rgba(245, 158, 11, 0.35);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-edu:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #000 !important;
}

/* Sección Dedicada #tilcanet-edu */
#tilcanet-edu {
  position: relative;
  padding: 6rem 0;
  background: radial-gradient(circle at 50% 20%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
              linear-gradient(180deg, var(--bg-dark) 0%, rgba(15, 23, 42, 0.8) 50%, var(--bg-dark) 100%);
  border-top: 1px solid rgba(251, 191, 36, 0.15);
  border-bottom: 1px solid rgba(251, 191, 36, 0.15);
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.75rem;
  margin: 3rem 0;
}

/* Tarjetas de Ejes y Cursos Edu */
.edu-card-item,
.edu-course-card {
  background: rgba(15, 23, 42, 0.92) !important;
  border: 1px solid rgba(251, 191, 36, 0.35) !important;
  border-top: 4px solid #fbbf24 !important;
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth) !important;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.edu-card-item:hover,
.edu-course-card:hover {
  transform: translateY(-8px) !important;
  border-color: #fbbf24 !important;
  box-shadow: 0 20px 40px rgba(245, 158, 11, 0.25), 0 0 20px rgba(251, 191, 36, 0.15) !important;
  background: rgba(23, 33, 56, 0.95) !important;
}

.edu-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(251, 191, 36, 0.15) !important;
  border: 1px solid rgba(251, 191, 36, 0.4) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fbbf24 !important;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25);
}

.edu-card-item h3 {
  font-family: var(--font-title);
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 0.8rem;
}

.edu-card-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.edu-card-features {
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.edu-card-features li {
  font-size: 0.875rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.edu-card-features li i {
  color: #fbbf24;
  font-size: 0.8rem;
}

/* Banner Destacado dentro de la Sección Edu */
.edu-showcase-banner {
  background: linear-gradient(135deg, rgba(21, 28, 44, 0.95), rgba(30, 41, 59, 0.95));
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.edu-showcase-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.edu-showcase-text h3 {
  font-family: var(--font-title);
  font-size: 1.85rem;
  color: #ffffff;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.edu-showcase-text p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.edu-actions-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.edu-stats-box {
  background: rgba(9, 13, 22, 0.6);
  border: 1px dashed rgba(251, 191, 36, 0.4);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  backdrop-filter: blur(8px);
}

.edu-stats-icon {
  font-size: 3rem;
  color: #fbbf24;
  margin-bottom: 0.5rem;
}

.edu-stats-title {
  color: #ffffff;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.edu-stats-subtitle {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

@media (max-width: 992px) {
  .edu-showcase-banner {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
  }
}