/* Architecture Studio - Deep Indigo & Amber Theme */
:root {
  --primary-color: #1A237E;
  --secondary-color: #FFB300;
  --primary-dark: #0D1642;
  --primary-light: #3949AB;
  --secondary-dark: #FF8F00;
  --secondary-light: #FFC107;
  --text-dark: #212529;
  --text-light: #F8F9FA;
  --gradient-primary: linear-gradient(135deg, #1A237E 0%, #3949AB 100%);
  --gradient-secondary: linear-gradient(135deg, #FFB300 0%, #FFC107 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(26, 35, 126, 0.95) 0%, rgba(57, 73, 171, 0.9) 100%);
  --shadow-sm: 0 2px 8px rgba(26, 35, 126, 0.1);
  --shadow-md: 0 4px 16px rgba(26, 35, 126, 0.15);
  --shadow-lg: 0 8px 32px rgba(26, 35, 126, 0.2);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4, .display-5 {
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--primary-dark) !important;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-dark) !important;
}

/* Navbar */
.navbar {
  background: var(--gradient-primary) !important;
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  z-index: 1000;
}

.navbar.sticky-top {
  backdrop-filter: blur(10px);
}

.navbar-brand {
  font-size: 1.5rem;
  color: #FFFFFF !important;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.navbar-brand .bi {
  font-size: 1.8rem;
  color: var(--secondary-color) !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 8px;
  transition: var(--transition-base);
  font-weight: 500;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--primary-dark) !important;
  background-color: var(--secondary-color) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 179, 0, 0.25) !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='%23FFB300' 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: var(--gradient-primary);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,%3Csvg width="100" height="100" xmlns="http://www.w3.org/2000/svg"%3E%3Cpath d="M0 0h100v100H0z" fill="none"/%3E%3Cpath d="M0 0l50 50M50 0l50 50M0 50l50 50" stroke="%23FFB300" stroke-width="0.5" opacity="0.1"/%3E%3C/svg%3E');
  opacity: 0.1;
  animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(100px, 100px); }
}

.hero-section .position-absolute {
  z-index: 1;
}

.hero-section .object-fit-cover {
  opacity: 0.15;
  filter: brightness(0.5);
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-section .display-3 {
  color: #FFFFFF !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.8s ease-out;
  font-weight: 800;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.95) !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease-out 0.2s both;
  font-size: 1.4rem;
}

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

.hero-section .btn {
  animation: fadeInUp 1.2s ease-out 0.4s both;
}

.bi-chevron-down {
  animation: bounce 2s infinite;
  color: var(--secondary-color) !important;
  font-size: 2rem;
  cursor: pointer;
}

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

/* Buttons */
.btn {
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
  border: none;
  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 {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-primary {
  background: var(--secondary-color) !important;
  color: var(--primary-dark) !important;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--secondary-color) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background: var(--secondary-dark) !important;
  color: #FFFFFF !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--secondary-dark) !important;
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
  background: var(--secondary-color) !important;
  color: var(--primary-dark) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--secondary-color) !important;
}

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

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background: var(--primary-dark) !important;
  color: var(--secondary-color) !important;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--primary-dark) !important;
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  position: relative;
  height: 350px;
  perspective: 1000px;
  cursor: pointer;
}

.service-front,
.service-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.service-front {
  background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
  border: 2px solid var(--primary-color);
  z-index: 2;
  transform: rotateY(0deg);
}

.service-back {
  background: var(--gradient-primary);
  color: #FFFFFF !important;
  transform: rotateY(180deg);
  z-index: 1;
}

.service-card:hover .service-front {
  transform: rotateY(-180deg);
}

.service-card:hover .service-back {
  transform: rotateY(0deg);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--secondary-color) !important;
  font-size: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(360deg);
}

.service-front h3,
.service-front h4 {
  color: var(--primary-dark) !important;
  margin-bottom: 1rem;
}

.service-front p {
  color: var(--text-dark) !important;
}

.service-back h3,
.service-back h4,
.service-back p,
.service-back li {
  color: #FFFFFF !important;
}

.service-back .bi {
  color: var(--secondary-color) !important;
  margin-right: 0.5rem;
}

/* Cards */
.card {
  border: none !important;
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-md);
  background: #FFFFFF;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: 2rem;
}

.card-img-top {
  transition: var(--transition-smooth);
  height: 250px;
  object-fit: cover;
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

/* Gallery */
.gallery-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  height: 300px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-item:hover img {
  transform: scale(1.2);
}

.gallery-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: var(--transition-base);
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-item .position-absolute {
  z-index: 3;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-base);
  color: #FFFFFF !important;
}

.gallery-item:hover .position-absolute {
  opacity: 1;
  transform: translateY(0);
}

/* Forms */
.form-control,
.form-select {
  border: 2px solid #E0E0E0;
  border-radius: 12px;
  padding: 0.875rem 1.25rem;
  transition: var(--transition-base);
  background-color: #FFFFFF;
  color: var(--text-dark) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--secondary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(255, 179, 0, 0.25) !important;
  background-color: #FFFFFF !important;
  color: var(--text-dark) !important;
}

.form-label {
  font-weight: 600;
  color: var(--primary-dark) !important;
  margin-bottom: 0.5rem;
}

.form-check-input {
  border: 2px solid var(--primary-color);
  cursor: pointer;
}

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

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 179, 0, 0.25) !important;
}

.form-check-label {
  color: var(--text-dark) !important;
  cursor: pointer;
}

.invalid-feedback {
  color: #DC3545 !important;
  font-weight: 500;
}

.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
  border-color: #DC3545 !important;
}

.was-validated .form-control:valid,
.was-validated .form-select:valid {
  border-color: #28A745 !important;
}

/* Badges */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--secondary-color) !important;
  color: var(--primary-dark) !important;
}

/* Alerts */
.alert {
  border-radius: 12px;
  border: none;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.alert .bi {
  font-size: 1.5rem;
  margin-right: 0.75rem;
}

/* Modal */
.modal-content {
  border-radius: 16px;
  border: none;
  overflow: hidden;
}

.modal-header {
  background: var(--gradient-primary);
  border-bottom: none;
  padding: 1.5rem;
}

.modal-header .modal-title {
  color: #FFFFFF !important;
}

.btn-close,
.btn-close-white {
  background-color: var(--secondary-color);
  opacity: 1;
  border-radius: 50%;
  padding: 0.75rem;
}

.btn-close:hover,
.btn-close-white:hover {
  opacity: 0.8;
  transform: rotate(90deg);
}

.modal-body {
  padding: 2rem;
}

/* Sections */
section {
  position: relative;
  overflow: hidden;
}

.py-5 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

.py-4 {
  padding-top: 3rem !important;
  padding-bottom: 3rem !important;
}

.bg-light {
  background-color: #F8F9FA !important;
}

/* Icons */
.bi {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bi-speedometer2,
.bi-tools,
.bi-lightning-charge,
.bi-car-front-fill,
.bi-gear-fill,
.bi-trophy-fill,
.bi-droplet-fill,
.bi-disc-fill,
.bi-cpu-fill,
.bi-cpu,
.bi-telephone-fill,
.bi-envelope-fill,
.bi-facebook,
.bi-instagram,
.bi-youtube,
.bi-geo-alt-fill,
.bi-check-circle-fill,
.bi-clock-history,
.bi-chat-dots-fill,
.bi-calendar-check-fill,
.bi-shield-check,
.bi-shield-fill-check,
.bi-info-circle,
.bi-arrow-right,
.bi-send {
  transition: var(--transition-base);
}

/* Image Styling */
.img-fluid {
  transition: var(--transition-smooth);
  border-radius: 16px;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.shadow {
  box-shadow: var(--shadow-md) !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.rounded {
  border-radius: 16px !important;
}

.rounded-circle {
  border-radius: 50% !important;
}

/* Text Utilities */
.text-center {
  text-align: center !important;
}

.text-muted {
  color: #6C757D !important;
}

.text-white {
  color: #FFFFFF !important;
}

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

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

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

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

.list-unstyled li {
  margin-bottom: 0.75rem;
  transition: var(--transition-base);
}

.list-unstyled li:hover {
  transform: translateX(5px);
}

/* Footer */
footer {
  background: var(--gradient-primary);
  color: #FFFFFF !important;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

footer h3,
footer h4,
footer h5,
footer h6 {
  color: var(--secondary-color) !important;
}

footer p,
footer a,
footer li,
footer .small {
  color: rgba(255, 255, 255, 0.9) !important;
}

footer a {
  transition: var(--transition-base);
}

footer a:hover {
  color: var(--secondary-color) !important;
  transform: translateX(3px);
}

footer .bi {
  color: var(--secondary-color) !important;
  margin-right: 0.5rem;
}

footer .border-top {
  border-color: rgba(255, 179, 0, 0.3) !important;
}

/* Social Media Icons */
.bi-facebook,
.bi-instagram,
.bi-youtube {
  font-size: 1.5rem;
  color: #FFFFFF !important;
  transition: var(--transition-base);
  margin: 0 0.5rem;
}

.bi-facebook:hover {
  color: #1877F2 !important;
  transform: scale(1.2) translateY(-3px);
}

.bi-instagram:hover {
  color: #E4405F !important;
  transform: scale(1.2) translateY(-3px);
}

.bi-youtube:hover {
  color: #FF0000 !important;
  transform: scale(1.2) translateY(-3px);
}

/* Ratio */
.ratio {
  position: relative;
  width: 100%;
}

.ratio::before {
  display: block;
  padding-top: var(--bs-aspect-ratio);
  content: "";
}

.ratio > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ratio-21x9 {
  --bs-aspect-ratio: 42.857143%;
}

/* Sticky Positioning */
.position-sticky {
  position: sticky !important;
  top: 80px;
}

/* Border Utilities */
.border-top {
  border-top: 1px solid #DEE2E6 !important;
}

.border-bottom {
  border-bottom: 1px solid #DEE2E6 !important;
}

.border-0 {
  border: 0 !important;
}

.border-secondary {
  border-color: var(--secondary-color) !important;
}

/* Spacing Utilities */
.gap-2 {
  gap: 0.5rem !important;
}

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

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

.g-0 {
  --bs-gutter-x: 0;
  --bs-gutter-y: 0;
}

.g-3 {
  --bs-gutter-x: 1rem;
  --bs-gutter-y: 1rem;
}

.g-4 {
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 1.5rem;
}

.g-5 {
  --bs-gutter-x: 3rem;
  --bs-gutter-y: 3rem;
}

/* 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 fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-on-scroll {
  opacity: 0;
  transition: var(--transition-smooth);
}

.animate-on-scroll.animated {
  opacity: 1;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.fade-in {
  animation: fadeIn 1s ease-out;
}

.scale-in {
  animation: scaleIn 0.6s ease-out;
}

/* Loading Spinner */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 179, 0, 0.3);
  border-top-color: var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(26, 35, 126, 0.98);
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar-nav {
    gap: 0.5rem;
  }
  
  .hero-section {
    min-height: 80vh;
    padding: 2rem 0;
  }
  
  .hero-section .display-3 {
    font-size: 2.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .gallery-container {
    grid-template-columns: 1fr;
  }
  
  .service-card {
    height: 300px;
  }
}

@media (max-width: 767.98px) {
  .hero-section .display-3 {
    font-size: 2rem;
  }
  
  .hero-section .lead {
    font-size: 1.1rem;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
  
  .display-4 {
    font-size: 2.5rem;
  }
  
  .display-5 {
    font-size: 2rem;
  }
  
  .py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
  }
  
  .service-card {
    height: 280px;
  }
  
  .gallery-item {
    height: 250px;
  }
}

@media (max-width: 575.98px) {
  .hero-section .display-3 {
    font-size: 1.75rem;
  }
  
  .display-4 {
    font-size: 2rem;
  }
  
  .display-5 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.9rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }
  
  .navbar-brand {
    font-size: 1.25rem;
  }
}

/* Accessibility */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid var(--secondary-color);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  footer {
    display: none;
  }
  
  body {
    color: #000;
    background: #fff;
  }
}