/* MIXED CSS PACK */
/* Template: sysconstrucciones.com.ar/index.html */
/* Template mtime: 2025-08-13 12:29:46 */

/* external link (no embedded): https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css */
/* external link (no embedded): https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css */
/* external link (no embedded): https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap */

/* ===== INLINE <style> BLOCK #1 ===== */
:root {
      --primary-color: #1a5f7a;
      --secondary-color: #57c5b6;
      --accent-color: #282c34;
      --dark-color: #b54925;
      --light-color: #f9f9f9;
      --text-color: #333333;
      --text-light: #777777;
      --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: 'Poppins', sans-serif;
      color: var(--text-color);
      scroll-behavior: smooth;
      overflow-x: hidden;
      background-color: #f8f9fa;
      line-height: 1.6;
    }
    
    h1, h2, h3, h4, h5, h6 {
      font-family: 'Playfair Display', serif;
      font-weight: 700;
      line-height: 1.2;
    }
    
    /* Navbar */
    .navbar {
      padding: 20px 0;
      transition: all 0.3s ease;
      background-color: #b54925;
      backdrop-filter: blur(10px);
    }
    
    .navbar.scrolled {
      padding: 10px 0;
      background-color: #b54925;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-brand {
      font-family: 'Playfair Display', serif;
      font-weight: 700;
      font-size: 1.8rem;
      color: white !important;
    }
    
    .navbar-brand span {
      color: var(--secondary-color);
    }
    
    .navbar-nav .nav-link {
      color: rgba(255, 255, 255, 0.8);
      font-weight: 500;
      padding: 8px 15px;
      margin: 0 5px;
      position: relative;
      transition: all 0.3s ease;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: white;
    }
    
    .navbar-nav .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 15px;
      width: 0;
      height: 2px;
      background-color: var(--secondary-color);
      transition: width 0.3s ease;
    }
    
    .navbar-nav .nav-link:hover::after,
    .navbar-nav .nav-link.active::after {
      width: calc(100% - 30px);
    }
    
    /* Hero Section */
    
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: flex-end;
  padding-bottom: 120px;
  background: linear-gradient(rgba(0, 43, 91, 0.4), rgba(0, 43, 91, 0.4)), url('img/hero3.png') center/cover no-repeat;
  color: white;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(transparent, var(--light-color));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

    
    .hero h1 {
      font-size: 3.5rem;
      margin-bottom: 20px;
      text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      animation: fadeInUp 1s ease;
    }
    
    .hero p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      opacity: 0.9;
      animation: fadeInUp 1s ease 0.2s forwards;
      opacity: 0;
    }
    
    .hero-btn {
      display: inline-block;
      padding: 15px 30px;
      background-color: var(--secondary-color);
      color: white;
      border-radius: 50px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: all 0.3s ease;
      border: none;
      position: relative;
      overflow: hidden;
      animation: fadeInUp 1s ease 0.4s forwards;
      opacity: 0;
    }
    
    .hero-btn:hover {
      background-color: var(--accent-color);
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }
    
    .hero-btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transition: 0.5s;
    }
    
    .hero-btn:hover::before {
      left: 100%;
    }
    
    .scroll-down {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      color: white;
      font-size: 2rem;
      animation: bounce 2s infinite;
      cursor: pointer;
      z-index: 2;
    }
    
    /* Secciones generales */
    section {
      padding: 100px 0;
      position: relative;
    }
    
    .section-title {
      text-align: center;
      margin-bottom: 60px;
      position: relative;
    }
    
    .section-title h2 {
      font-size: 2.5rem;
      color: var(--dark-color);
      margin-bottom: 20px;
      position: relative;
      display: inline-block;
    }
    
    .section-title h2::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background: var(--gradient-primary);
    }
    
    .section-title p {
      color: var(--text-light);
      max-width: 700px;
      margin: 0 auto;
    }
    
    /* Quiénes Somos */
    #quienessomos {
      background-color: white;
    }
    
    .about-content {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
    }
    
    .about-content p {
      font-size: 1.1rem;
      margin-bottom: 30px;
    }
    
    .signature {
      font-family: 'Playfair Display', serif;
      font-style: italic;
      font-size: 1.5rem;
      color: var(--primary-color);
      margin-top: 30px;
    }
    
    /* Servicios */
    #servicios {
      background-color: var(--light-color);
    }
    
    .service-card {
      background: white;
      border-radius: 10px;
      padding: 30px;
      margin-bottom: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      text-align: center;
      height: 100%;
    }
    
    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    }
    
    .service-icon {
      width: 80px;
      height: 80px;
      margin: 0 auto 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--gradient-primary);
      color: white;
      border-radius: 50%;
      font-size: 2rem;
    }
    
    .service-card h3 {
      margin-bottom: 15px;
      color: var(--dark-color);
    }
    
    .service-card p {
      color: var(--text-light);
    }
    
    /* Por Qué Elegirnos */
    #elegirnos {
      background: var(--gradient-primary);
      color: white;
    }
    
    #elegirnos .section-title h2 {
      color: white;
    }
    
    #elegirnos .section-title p {
      color: rgba(255, 255, 255, 0.8);
    }
    
    .feature-box {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      border-radius: 10px;
      padding: 30px;
      margin-bottom: 30px;
      transition: all 0.3s ease;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    
    .feature-box:hover {
      transform: translateY(-5px);
      background: rgba(255, 255, 255, 0.15);
    }
    
    .feature-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
      color: var(--secondary-color);
    }
    
    .feature-box h3 {
      margin-bottom: 15px;
    }
    
    .feature-box p {
      opacity: 0.9;
    }
    
    /* Galería de trabajos */
    #trabajos {
      padding: 0;
      background-color: var(--dark-color);
    }
    
    .portfolio-title {
      padding: 80px 0 0;
      text-align: center;
      color: white;
    }
    
    .portfolio-title h2 {
      color: white;
    }
    
    .portfolio-title p {
      color: rgba(255, 255, 255, 0.8);
    }
    
    .portfolio-container {
      padding: 50px 0 100px;
    }
    
    .portfolio-item {
      position: relative;
      overflow: hidden;
      border-radius: 10px;
      margin-bottom: 30px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      height: 300px;
    }
    
    .portfolio-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    
    .portfolio-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(to top, rgba(0, 43, 91, 0.9), transparent);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 20px;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    
    .portfolio-item:hover .portfolio-overlay {
      opacity: 1;
    }
    
    .portfolio-item:hover .portfolio-img {
      transform: scale(1.1);
    }
    
    .portfolio-info h3 {
      color: white;
      margin-bottom: 10px;
      transform: translateY(20px);
      transition: transform 0.3s ease;
    }
    
    .portfolio-info p {
      color: rgba(255, 255, 255, 0.8);
      transform: translateY(20px);
      transition: transform 0.3s ease 0.1s;
    }
    
    .portfolio-item:hover .portfolio-info h3,
    .portfolio-item:hover .portfolio-info p {
      transform: translateY(0);
    }
    
    /* FAQs */
    #faqs {
      background-color: white;
    }
    
    .accordion-item {
      margin-bottom: 15px;
      border-radius: 10px !important;
      overflow: hidden;
      border: 1px solid rgba(0, 0, 0, 0.1) !important;
    }
    
    .accordion-button {
      font-weight: 600;
      padding: 20px 25px;
      background-color: white;
    }
    
    .accordion-button:not(.collapsed) {
      background-color: var(--light-color);
      color: var(--primary-color);
    }
    
    .accordion-button:focus {
      box-shadow: none;
      border-color: rgba(0, 0, 0, 0.1);
    }
    
    .accordion-body {
      padding: 20px 25px;
    }
    
    /* Contacto */
    #contacto {
      background-color: var(--light-color);
    }
    
    .contact-form {
      background: white;
      padding: 40px;
      border-radius: 10px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }
    
    .form-control {
      height: 50px;
      border-radius: 5px;
      border: 1px solid rgba(0, 0, 0, 0.1);
      padding-left: 20px;
      margin-bottom: 20px;
    }
    
    .form-control:focus {
      box-shadow: none;
      border-color: var(--primary-color);
    }
    
    textarea.form-control {
      height: auto;
      padding-top: 15px;
    }
    
    .submit-btn {
      background: var(--gradient-primary);
      color: white;
      border: none;
      padding: 15px 30px;
      border-radius: 50px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: all 0.3s ease;
      width: 100%;
    }
    
    .submit-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .contact-info {
      margin-top: 50px;
    }
    
    .contact-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 30px;
    }
    
    .contact-icon {
      width: 50px;
      height: 50px;
      background: var(--gradient-primary);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      margin-right: 20px;
      flex-shrink: 0;
    }
    
    .contact-text h3 {
      margin-bottom: 5px;
      color: var(--dark-color);
    }
    
    .contact-text p, 
    .contact-text a {
      color: var(--text-light);
      text-decoration: none;
      transition: color 0.3s ease;
    }
    
    .contact-text a:hover {
      color: var(--primary-color);
    }
    
    /* Footer */
    footer {
      background-color: var(--dark-color);
      color: white;
      padding: 80px 0 30px;
      position: relative;
    }
    
    .footer-logo {
      font-family: 'Playfair Display', serif;
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 20px;
      display: inline-block;
    }
    
    .footer-logo span {
      color: var(--secondary-color);
    }
    
    .footer-about p {
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 20px;
    }
    
    .footer-links h3,
    .footer-contact h3 {
      font-size: 1.3rem;
      margin-bottom: 25px;
      position: relative;
      padding-bottom: 10px;
    }
    
    .footer-links h3::after,
    .footer-contact h3::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50px;
      height: 2px;
      background-color: var(--secondary-color);
    }
    
    .footer-links ul {
      list-style: none;
      padding: 0;
    }
    
    .footer-links li {
      margin-bottom: 10px;
    }
    
    .footer-links a {
      color: rgba(255, 255, 255, 0.7);
      text-decoration: none;
      transition: all 0.3s ease;
      display: inline-block;
    }
    
    .footer-links a:hover {
      color: var(--secondary-color);
      transform: translateX(5px);
    }
    
    .footer-contact p {
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 15px;
      display: flex;
      align-items: flex-start;
    }
    
    .footer-contact i {
      margin-right: 10px;
      color: var(--secondary-color);
    }
    
    .social-links {
      display: flex;
      margin-top: 20px;
    }
    
    .social-links a {
      width: 40px;
      height: 40px;
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 10px;
      color: white;
      transition: all 0.3s ease;
    }
    
    .social-links a:hover {
      background-color: var(--secondary-color);
      transform: translateY(-3px);
    }
    
    .copyright {
      margin-top: 50px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      text-align: center;
      color: rgba(255, 255, 255, 0.5);
    }
    
    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      background: var(--gradient-primary);
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      z-index: 999;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .back-to-top.active {
      opacity: 1;
      visibility: visible;
    }
    
    .back-to-top:hover {
      background: var(--secondary-color);
      transform: translateY(-5px);
    }
    
    /* Animaciones */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    @keyframes bounce {
      0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
      }
      40% {
        transform: translateY(-20px) translateX(-50%);
      }
      60% {
        transform: translateY(-10px) translateX(-50%);
      }
    }
    
    /* Responsive */
    @media (max-width: 992px) {
      .hero h1 {
        font-size: 2.8rem;
      }
      
      section {
        padding: 80px 0;
      }
    }
    
    @media (max-width: 768px) {
      .hero {
        min-height: 600px;
      }
      
      .hero h1 {
        font-size: 2.2rem;
      }
      
      .hero p {
        font-size: 1rem;
      }
      
      .section-title h2 {
        font-size: 2rem;
      }
      
      .navbar-brand {
        font-size: 1.5rem;
      }
    }
    
    @media (max-width: 576px) {
      .hero {
        min-height: 500px;
      }
      
      .hero h1 {
        font-size: 1.8rem;
      }
      
      section {
        padding: 60px 0;
      }
    }

/* ===== INLINE <style> BLOCK #2 ===== */
/* Estilos base */
.floating-social-buttons {
  position: fixed;
  bottom: 30px;
  left: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 9999;
  filter: drop-shadow(0 5px 10px rgba(0,0,0,0.3));
}

/* Contenedor de botones WhatsApp */
.whatsapp-btn-container {
  position: relative;
}

/* Estilo base para botones */
.whatsapp-btn, .social-btn {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  overflow: visible;
}

/* Efectos hover */
.whatsapp-btn:hover, .social-btn:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* WhatsApp 1 - Verde más claro */
.whatsapp-1 {
  background: linear-gradient(135deg, #25d366, #5efb8d);
}

/* WhatsApp 2 - Verde más oscuro */
.whatsapp-2 {
  background: linear-gradient(135deg, #128c7e, #25d366);
}

/* Facebook */
.facebook {
  background: linear-gradient(135deg, #3b5998, #6494ed);
}

/* Instagram */
.instagram {
  background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}

/* Burbuja de notificación */
.notification-bubble {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 25px;
  height: 25px;
  background: #ff3b30;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  animation: pulse 1.5s infinite;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Tooltip WhatsApp */
.whatsapp-tooltip {
  position: absolute;
  left: 75px;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  color: #333;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Segoe UI', sans-serif;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
  border-left: 4px solid #25d366;
  line-height: 1.4;
}

.whatsapp-btn-container:hover .whatsapp-tooltip {
  opacity: 1;
  left: 80px;
}

/* Animaciones */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* Efecto de mensaje entrante */
.whatsapp-btn::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: inherit;
  z-index: -1;
  opacity: 0;
  animation: messageIn 3s infinite;
}

.whatsapp-1::after {
  animation-delay: 0.5s;
}

.whatsapp-2::after {
  animation-delay: 1s;
}

@keyframes messageIn {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* Responsive */
@media (max-width: 768px) {
  .floating-social-buttons {
    bottom: 20px;
    left: 15px;
    gap: 12px;
  }
  
  .whatsapp-btn, .social-btn {
    width: 50px;
    height: 50px;
    font-size: 24px;
  }
  
  .notification-bubble {
    width: 20px;
    height: 20px;
    font-size: 10px;
  }
  
  .whatsapp-tooltip {
    font-size: 12px;
    padding: 6px 10px;
  }
}