/* ==========================================================================
   Blitzen - Styles
   Version: 2.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #cc1616;
  --color-primary-dark: #a51212;
  --color-primary-light: #e82d2d;
  --color-secondary: #191919;
  --color-dark: #0c0c0c;
  --color-text: #444444;
  --color-text-light: #777777;
  --color-white: #ffffff;
  --color-light: #f8f9fa;
  --color-border: #e9ecef;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Poppins', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  /* Header Height */
  --header-height: 70px;
  --contact-bar-height: 40px;
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
}

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

a:hover {
  color: var(--color-primary-light);
}

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

/* --------------------------------------------------------------------------
   Preloader
   -------------------------------------------------------------------------- */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

#preloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  background: rgba(25, 25, 25, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  height: var(--header-height);
  transition: all var(--transition-base);
}

#header.scrolled {
  background: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

#header .container {
  height: 100%;
}

#header .navbar {
  height: 100%;
  padding: 0;
}

#header .navbar-brand {
  padding: 0;
  display: flex;
  align-items: center;
}

#header .navbar-brand img {
  height: 55px;
  width: auto;
  transition: transform var(--transition-base);
}

#header .navbar-brand:hover img {
  transform: scale(1.05);
}

#header .navbar-toggler {
  border: none;
  padding: var(--spacing-xs);
  color: var(--color-white);
  font-size: 1.75rem;
}

#header .navbar-toggler:focus {
  box-shadow: none;
}

#header .nav-link {
  color: var(--color-white);
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md) !important;
  position: relative;
  transition: all var(--transition-fast);
}

#header .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--color-primary);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

#header .nav-link:hover,
#header .nav-link.active {
  color: var(--color-primary);
}

#header .nav-link:hover::after,
#header .nav-link.active::after {
  width: 60%;
}

/* Mobile Navigation */
@media (max-width: 991.98px) {
  #header .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-secondary);
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  #header .nav-link {
    padding: var(--spacing-sm) 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  #header .nav-link::after {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Contact Bar
   -------------------------------------------------------------------------- */
#contact-bar {
  position: relative;
  background: var(--color-dark);
  height: var(--contact-bar-height);
  display: flex;
  align-items: center;
  font-size: 0.875rem;
}

#contact-bar .contact-info a {
  color: rgba(255, 255, 255, 0.7);
  margin-right: var(--spacing-md);
  transition: color var(--transition-fast);
}

#contact-bar .contact-info a:hover {
  color: var(--color-white);
}

#contact-bar .contact-info i {
  color: var(--color-primary);
  margin-right: var(--spacing-xs);
}

#contact-bar .social-links a {
  color: rgba(255, 255, 255, 0.7);
  margin-left: var(--spacing-sm);
  font-size: 1.1rem;
  transition: color var(--transition-fast);
}

#contact-bar .social-links a:hover {
  color: var(--color-white);
}

@media (max-width: 576px) {
  #contact-bar {
    height: auto;
    padding: var(--spacing-sm) 0;
  }

  #contact-bar .container {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  #contact-bar .contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
  }

  #contact-bar .contact-info a {
    margin-right: 0;
  }

  #contact-bar .social-links {
    display: flex !important;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
#hero {
  margin-top: var(--header-height);
  height: calc(100vh - var(--header-height) - 60px);
  min-height: 400px;
  position: relative;
}

#hero .carousel,
#hero .carousel-inner,
#hero .carousel-item {
  height: 100%;
}

#hero .carousel-item {
  position: relative;
}

#hero .carousel-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#hero .carousel-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
}

#hero .carousel-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  max-width: 800px;
  color: var(--color-white);
  z-index: 10;
}

#hero .carousel-content h1,
#hero .carousel-content h2 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

#hero .carousel-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

#hero .carousel-content .btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

#hero .carousel-control-prev,
#hero .carousel-control-next {
  width: 60px;
  opacity: 0.8;
}

#hero .carousel-control-prev-icon,
#hero .carousel-control-next-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background-size: 50%;
  transition: background-color var(--transition-fast);
}

#hero .carousel-control-prev:hover .carousel-control-prev-icon,
#hero .carousel-control-next:hover .carousel-control-next-icon {
  background-color: var(--color-primary);
}

#hero .carousel-indicators {
  margin-bottom: var(--spacing-lg);
}

#hero .carousel-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin: 0 6px;
  opacity: 0.5;
  transition: all var(--transition-fast);
}

#hero .carousel-indicators button.active {
  opacity: 1;
  background-color: var(--color-primary);
  transform: scale(1.2);
}

/* --------------------------------------------------------------------------
   Section Styles
   -------------------------------------------------------------------------- */
.section-padding {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title span {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.section-title h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-title.text-start {
  text-align: left;
}

.section-title.text-start p {
  margin: 0;
}

.section-title.light span {
  color: var(--color-primary-light);
}

.section-title.light h2 {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
#servicios {
  background: var(--color-white);
}

.services-nav {
  margin-bottom: var(--spacing-xl);
}

.services-nav .nav-pills {
  gap: var(--spacing-sm);
}

.services-nav .nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  background: var(--color-light);
  color: var(--color-text);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  min-width: 140px;
}

.services-nav .nav-link i {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.services-nav .nav-link span {
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
}

.services-nav .nav-link:hover {
  background: var(--color-white);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.services-nav .nav-link.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.services-nav .nav-link.active i {
  color: var(--color-white);
}

@media (max-width: 767.98px) {
  .services-nav .nav-pills {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }

  .services-nav .nav-link {
    padding: var(--spacing-sm);
    min-width: auto;
    width: 100%;
    aspect-ratio: 1;
    justify-content: center;
  }

  .services-nav .nav-link i {
    font-size: 1.5rem;
  }

  .services-nav .nav-link span {
    font-size: 0.7rem;
    line-height: 1.2;
  }
}

/* Service Content */
.service-content {
  background: var(--color-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.service-subtitle-nav {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: flex-start;
}

.btn-service {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-service:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-service.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Service Details */
.service-detail {
  display: none;
  animation: fadeIn 0.4s ease;
}

.service-detail.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-detail h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
}

.service-detail p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  padding: var(--spacing-xs) 0;
  color: var(--color-text);
}

.feature-list li i {
  color: var(--color-primary);
  margin-right: var(--spacing-sm);
  font-size: 1.1rem;
}

/* Service Gallery */
.service-gallery {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.service-gallery .carousel-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.service-gallery .carousel-control-prev-icon,
.service-gallery .carousel-control-next-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  background-size: 50%;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
}

.about-image::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  right: 15px;
  bottom: 15px;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  padding: var(--spacing-xxl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/img/call-to-action.png') center/cover;
  z-index: 0;
}

.cta-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(25, 25, 25, 0.85) 0%, rgba(12, 12, 12, 0.9) 100%);
  z-index: 1;
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

.cta-content .btn-light {
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.cta-content .btn-light:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  display: block;
  width: 100%;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  padding: var(--spacing-md);
  background: var(--color-light);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  height: 100%;
}

.contact-card:hover {
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.contact-card i {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-right: var(--spacing-md);
  padding: var(--spacing-sm);
  background: rgba(204, 22, 22, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.contact-card p {
  margin: 0;
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.contact-card a {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.contact-card a:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Certifications Section
   -------------------------------------------------------------------------- */
#certificaciones {
  background: var(--color-secondary);
}

.cert-item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base);
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  margin: 0 auto;
}

.cert-item:hover {
  transform: translateY(-5px);
}

.cert-item img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.cert-note {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
#footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-brand img {
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

#footer h5 {
  color: var(--color-white);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

#footer h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-primary);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: var(--spacing-xs);
}

.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact li {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
}

.footer-contact i {
  color: var(--color-primary);
  margin-right: var(--spacing-sm);
  width: 20px;
}

.footer-social {
  margin-top: var(--spacing-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  margin-right: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
   Back to Top
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: 998;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-5px);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.bg-light {
  background-color: var(--color-light) !important;
}

.bg-dark {
  background-color: var(--color-secondary) !important;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

/* --------------------------------------------------------------------------
   Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  :root {
    --spacing-xxl: 3rem;
  }

  .about-image::before {
    display: none;
  }
}

@media (max-width: 767.98px) {
  :root {
    --spacing-xxl: 2.5rem;
    --spacing-xl: 2rem;
  }

  .service-gallery .carousel-item img {
    height: 250px;
  }

  .about-stats {
    justify-content: center;
  }
}

@media (max-width: 575.98px) {
  .services-nav .nav-pills {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-nav .nav-pills .nav-item:last-child {
    grid-column: span 2;
  }

  .services-nav .nav-pills .nav-item:last-child .nav-link {
    aspect-ratio: auto;
    padding: var(--spacing-sm);
  }

  .service-subtitle-nav {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
  }

  .btn-service {
    flex-shrink: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  #header,
  #contact-bar,
  .back-to-top,
  #preloader {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section-padding {
    padding: 1rem 0;
  }
}