/* Volcanic Steel Architecture Studio Theme */

:root {
  --primary-color: #D32F2F;
  --secondary-color: #212121;
  --light-gray: #F5F5F5;
  --dark-gray: #424242;
  --accent-steel: #607D8B;
  --volcanic-red: #B71C1C;
  --text-light: #FFFFFF;
  --text-dark: #212121;
  --transition-base: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--secondary-color);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
.display-1, .display-3, .display-4, .display-5 {
  font-weight: 800 !important;
  letter-spacing: -0.02em;
  color: var(--text-light) !important;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.9) !important;
}

/* Navbar */
.navbar {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%) !important;
  padding: 1.2rem 0;
  box-shadow: 0 4px 20px rgba(211, 47, 47, 0.3);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(33, 33, 33, 0.98) !important;
  box-shadow: 0 4px 30px rgba(211, 47, 47, 0.5);
}

.navbar-brand {
  font-size: 1.8rem !important;
  color: var(--text-light) !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: var(--transition-base);
  position: relative;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--primary-color);
  transition: var(--transition-base);
}

.navbar-brand:hover::after {
  width: 100%;
}

.navbar-brand:hover {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

.nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500 !important;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-base);
  position: relative;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition-base);
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 80%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  transform: translateY(-2px);
}

.navbar-toggler {
  border: 2px solid var(--primary-color) !important;
  padding: 0.5rem 0.75rem;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.5) !important;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 50%, var(--secondary-color) 100%);
  position: relative;
  display: flex;
  align-items: center;
  padding: 80px 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(211, 47, 47, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(211, 47, 47, 0.1) 0%, transparent 50%);
  animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.hero-section .position-absolute {
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(211, 47, 47, 0.03) 10px,
    rgba(211, 47, 47, 0.03) 20px
  );
  animation: slidePattern 30s linear infinite;
}

@keyframes slidePattern {
  0% { transform: translateX(0) translateY(0); }
  100% { transform: translateX(20px) translateY(20px); }
}

/* Buttons */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-base);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-lg {
  background: var(--primary-color) !important;
  border: 2px solid var(--primary-color) !important;
  color: var(--text-light) !important;
  box-shadow: 0 8px 25px rgba(211, 47, 47, 0.4);
}

.btn-lg:hover {
  background: var(--volcanic-red) !important;
  border-color: var(--volcanic-red) !important;
  color: var(--text-light) !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(211, 47, 47, 0.6);
}

.btn-light {
  background: var(--light-gray) !important;
  border: 2px solid var(--light-gray) !important;
  color: var(--secondary-color) !important;
  font-weight: 600 !important;
}

.btn-light:hover {
  background: var(--text-light) !important;
  border-color: var(--text-light) !important;
  color: var(--primary-color) !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(245, 245, 245, 0.3);
}

.btn-outline-light {
  border: 2px solid var(--text-light) !important;
  color: var(--text-light) !important;
  background: transparent !important;
}

.btn-outline-light:hover {
  background: var(--text-light) !important;
  color: var(--secondary-color) !important;
  border-color: var(--text-light) !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255, 255, 255, 0.3);
}

.btn-outline-secondary {
  border: 2px solid var(--primary-color) !important;
  color: var(--primary-color) !important;
  background: transparent !important;
}

.btn-outline-secondary:hover {
  background: var(--primary-color) !important;
  color: var(--text-light) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-3px);
}

.btn-sm {
  padding: 0.4rem 1rem !important;
  font-size: 0.85rem !important;
}

/* Sections */
.py-5 {
  padding: 5rem 0 !important;
  background: var(--secondary-color);
  position: relative;
}

.bg-light {
  background: var(--light-gray) !important;
  color: var(--text-dark) !important;
}

.bg-light * {
  color: var(--text-dark) !important;
}

.bg-light .text-muted {
  color: #757575 !important;
}

.bg-light .text-white-50 {
  color: rgba(33, 33, 33, 0.6) !important;
}

/* Badges */
.badge {
  background: var(--primary-color) !important;
  color: var(--text-light) !important;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  border-radius: 6px;
  text-transform: uppercase;
}

/* Icons */
.bi {
  font-size: 1.2rem;
  vertical-align: middle;
}

.bi-chevron-down {
  font-size: 2rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

.bi-cpu-fill,
.bi-gear-fill,
.bi-tools,
.bi-lightning-charge-fill,
.bi-laptop,
.bi-arrow-repeat,
.bi-disc-fill,
.bi-speedometer2,
.bi-gear-wide-connected,
.bi-disc,
.bi-arrows-angle-expand,
.bi-lightning-charge {
  font-size: 3rem;
  color: var(--primary-color) !important;
}

.service-icon {
  font-size: 3.5rem !important;
  color: var(--primary-color) !important;
  transition: var(--transition-base);
}

/* Images */
.img-fluid {
  width: 100%;
  height: auto;
  transition: var(--transition-base);
}

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

.rounded {
  border-radius: 12px !important;
}

.shadow-lg {
  box-shadow: 0 15px 50px rgba(211, 47, 47, 0.3) !important;
}

.shadow {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3) !important;
}

.shadow-sm {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2) !important;
}

/* Cards */
.card {
  background: var(--dark-gray) !important;
  border: none !important;
  border-radius: 12px;
  transition: var(--transition-base);
  overflow: hidden;
  color: var(--text-light) !important;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(211, 47, 47, 0.4) !important;
}

.card-body {
  padding: 2rem !important;
}

.card-title {
  color: var(--text-light) !important;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card-text {
  color: rgba(255, 255, 255, 0.85) !important;
  line-height: 1.7;
}

/* Service Cards */
.service-card {
  background: linear-gradient(135deg, var(--dark-gray) 0%, var(--secondary-color) 100%) !important;
  padding: 3rem 2rem;
  border-radius: 15px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent !important;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(211, 47, 47, 0.1), transparent);
  transition: left 0.5s;
}

.service-card:hover::before {
  left: 100%;
}

.service-card:hover {
  border-color: var(--primary-color) !important;
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 70px rgba(211, 47, 47, 0.5) !important;
}

.card-front,
.card-hover-content {
  transition: var(--transition-base);
}

.diagnostic-card {
  background: var(--text-light) !important;
  border-left: 4px solid var(--primary-color) !important;
  color: var(--text-dark) !important;
}

.diagnostic-card * {
  color: var(--text-dark) !important;
}

.diagnostic-card:hover {
  border-left-width: 8px !important;
}

/* Equipment Items */
.equipment-item {
  background: var(--dark-gray);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.equipment-item:hover {
  background: var(--secondary-color);
  border-color: var(--primary-color);
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(211, 47, 47, 0.4);
}

/* Timeline */
.timeline-section {
  position: relative;
  padding: 4rem 0;
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 3rem;
  border-left: 3px solid var(--primary-color);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 0;
  width: 15px;
  height: 15px;
  background: var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--secondary-color), 0 0 0 8px var(--primary-color);
}

.timeline-item:hover::before {
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 4px var(--secondary-color), 0 0 0 8px var(--primary-color); }
  50% { box-shadow: 0 0 0 4px var(--secondary-color), 0 0 0 15px var(--primary-color); }
  100% { box-shadow: 0 0 0 4px var(--secondary-color), 0 0 0 8px var(--primary-color); }
}

/* Split Container */
.split-container {
  display: flex;
  min-height: 100vh;
}

.split-container > div {
  flex: 1;
  padding: 4rem 2rem;
}

/* Parallax Section */
.parallax-section {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.parallax-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(33, 33, 33, 0.7);
}

/* Certifications */
.cert-card {
  background: var(--dark-gray);
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.cert-card:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 15px 40px rgba(211, 47, 47, 0.4);
}

/* Carousel */
.carousel-item {
  background: var(--dark-gray);
  padding: 3rem;
  border-radius: 15px;
  min-height: 400px;
}

.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  background: var(--primary-color) !important;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.9 !important;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1 !important;
  background: var(--volcanic-red) !important;
}

.carousel-control-prev {
  left: -25px;
}

.carousel-control-next {
  right: -25px;
}

/* Forms */
.form-control,
.form-select {
  background: rgba(255, 255, 255, 0.1) !important;
  border: 2px solid rgba(255, 255, 255, 0.2) !important;
  color: var(--text-light) !important;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  transition: var(--transition-base);
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.5) !important;
}

.form-control:focus,
.form-select:focus {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: var(--primary-color) !important;
  color: var(--text-light) !important;
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
}

.form-label {
  color: var(--text-light) !important;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.form-check-input {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
  width: 1.5rem;
  height: 1.5rem;
}

.form-check-input:checked {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.25) !important;
}

.form-check-label {
  color: rgba(255, 255, 255, 0.9) !important;
  margin-left: 0.5rem;
}

.form-step {
  display: none;
  animation: fadeIn 0.5s;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Accordion */
.accordion-item {
  background: var(--dark-gray) !important;
  border: 2px solid rgba(211, 47, 47, 0.3) !important;
  margin-bottom: 1rem;
  border-radius: 10px !important;
  overflow: hidden;
}

.accordion-button {
  background: var(--dark-gray) !important;
  color: var(--text-light) !important;
  font-weight: 600;
  padding: 1.5rem;
  font-size: 1.1rem;
  border: none !important;
}

.accordion-button:not(.collapsed) {
  background: var(--primary-color) !important;
  color: var(--text-light) !important;
  box-shadow: none !important;
}

.accordion-button:focus {
  box-shadow: none !important;
  border: none !important;
}

.accordion-button::after {
  filter: brightness(0) invert(1);
}

.accordion-body {
  background: var(--secondary-color) !important;
  color: rgba(255, 255, 255, 0.9) !important;
  padding: 2rem;
  border-top: 2px solid var(--primary-color);
}

/* Lists */
.list-unstyled {
  padding-left: 0;
  list-style: none;
}

.list-unstyled li {
  padding: 0.5rem 0;
  transition: var(--transition-base);
}

.list-unstyled li:hover {
  padding-left: 10px;
  color: var(--primary-color) !important;
}

/* Text Colors */
.text-light {
  color: rgba(255, 255, 255, 0.9) !important;
}

.text-white {
  color: var(--text-light) !important;
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5) !important;
}

.text-muted {
  color: rgba(255, 255, 255, 0.6) !important;
}

.text-decoration-none {
  text-decoration: none !important;
}

.text-decoration-none:hover {
  text-decoration: underline !important;
  color: var(--primary-color) !important;
}

/* Utility Classes */
.opacity-75 {
  opacity: 0.75 !important;
}

.overflow-hidden {
  overflow: hidden !important;
}

.position-relative {
  position: relative !important;
}

.position-absolute {
  position: absolute !important;
}

.sticky-lg-top {
  position: sticky;
  top: 100px;
  z-index: 100;
}

/* Spacing */
.gap-3 {
  gap: 1rem !important;
}

.gap-4 {
  gap: 1.5rem !important;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #1a1a1a 0%, var(--secondary-color) 100%);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1rem;
  border-top: 3px solid var(--primary-color);
}

footer a {
  color: rgba(255, 255, 255, 0.7) !important;
  transition: var(--transition-base);
}

footer a:hover {
  color: var(--primary-color) !important;
  transform: translateX(5px);
}

footer .bi-facebook,
footer .bi-instagram,
footer .bi-youtube {
  font-size: 1.5rem;
  transition: var(--transition-base);
}

footer .bi-facebook:hover,
footer .bi-instagram:hover,
footer .bi-youtube:hover {
  transform: scale(1.2) rotate(5deg);
  color: var(--primary-color) !important;
}

/* Alert/Warning */
.bi-exclamation-triangle-fill,
.bi-info-circle-fill {
  color: #FFC107 !important;
  font-size: 2rem;
}

/* Animations */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  animation: slideInUp 0.8s forwards;
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(33, 33, 33, 0.98);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1rem;
    box-shadow: 0 10px 40px rgba(211, 47, 47, 0.3);
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .display-1 {
    font-size: 3rem !important;
  }
  
  .display-3 {
    font-size: 2.5rem !important;
  }
  
  .display-4 {
    font-size: 2rem !important;
  }
  
  .display-5 {
    font-size: 1.75rem !important;
  }
  
  .hero-section {
    min-height: 80vh;
    padding: 60px 0;
  }
  
  .btn-lg {
    padding: 0.75rem 2rem !important;
    font-size: 1rem !important;
  }
  
  .sticky-lg-top {
    position: relative;
    top: 0;
  }
  
  .split-container {
    flex-direction: column;
  }
  
  .service-card {
    padding: 2rem 1.5rem;
    margin-bottom: 2rem;
  }
  
  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
  }
  
  .carousel-control-prev {
    left: 10px;
  }
  
  .carousel-control-next {
    right: 10px;
  }
}

@media (max-width: 767.98px) {
  .display-1 {
    font-size: 2.5rem !important;
  }
  
  .lead {
    font-size: 1.1rem;
  }
  
  .py-5 {
    padding: 3rem 0 !important;
  }
  
  .card-body {
    padding: 1.5rem !important;
  }
  
  .timeline-item {
    padding-left: 2rem;
  }
  
  .equipment-item {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand {
    font-size: 1.4rem !important;
  }
  
  .display-1 {
    font-size: 2rem !important;
  }
  
  .d-flex.gap-4 {
    flex-direction: column;
    gap: 1rem !important;
  }
  
  .btn-lg {
    width: 100%;
    padding: 0.75rem 1.5rem !important;
  }
  
  .service-icon {
    font-size: 2.5rem !important;
  }
  
  .carousel-item {
    padding: 2rem 1rem;
    min-height: 300px;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  footer {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
}