/* Architecture Studio - Bold Red & Carbon Black Theme */

:root {
  --primary-color: #D32F2F;
  --secondary-color: #212121;
  --light-gray: #F5F5F5;
  --dark-gray: #424242;
  --white: #FFFFFF;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
.display-2, .display-3, .display-4, .display-5, .display-6, .fs-1, .fs-2, .fs-3, .fs-4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--secondary-color) !important;
}

.text-white.display-2,
.text-white.display-3,
.text-white.display-4,
.text-white.display-5,
.text-white.display-6 {
  color: var(--white) !important;
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.8;
}

/* Navbar Styles */
.navbar {
  padding: 1rem 0;
  transition: var(--transition);
  background-color: var(--secondary-color) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.sticky-top {
  background-color: var(--secondary-color) !important;
}

.navbar-brand {
  font-size: 1.75rem;
  color: var(--white) !important;
  font-weight: 700;
  letter-spacing: -0.5px;
  transition: var(--transition);
}

.navbar-brand:hover {
  color: var(--primary-color) !important;
  transform: translateX(5px);
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--white) !important;
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  transition: var(--transition);
  position: relative;
}

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

.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link.active::after {
  width: 80%;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
}

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 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='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Buttons */
.btn {
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  transition: var(--transition);
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  position: relative;
  overflow: hidden;
}

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

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

.btn-primary,
.btn-danger {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  border: 2px solid var(--primary-color) !important;
}

.btn-primary:hover,
.btn-danger:hover {
  background-color: #B71C1C !important;
  border-color: #B71C1C !important;
  color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.4) !important;
}

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

.btn-outline-light:hover {
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
  border-color: var(--white) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3) !important;
}

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

.btn-outline-dark:hover {
  background-color: var(--secondary-color) !important;
  color: var(--white) !important;
  border-color: var(--secondary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(33, 33, 33, 0.4) !important;
}

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

.btn-light:hover {
  background-color: var(--light-gray) !important;
  color: var(--secondary-color) !important;
  border-color: var(--light-gray) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2) !important;
}

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

.btn-outline-secondary:hover {
  background-color: var(--dark-gray) !important;
  color: var(--white) !important;
  border-color: var(--dark-gray) !important;
}

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

.btn-link:hover {
  color: #B71C1C !important;
  text-decoration: underline;
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* Hero Section */
.position-relative.overflow-hidden {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%);
  position: relative;
}

.position-relative.overflow-hidden::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23D32F2F" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,133.3C672,117,768,107,864,122.7C960,139,1056,181,1152,181.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: bottom;
  opacity: 0.3;
}

.position-relative.overflow-hidden .position-absolute {
  z-index: 1;
}

/* Cards */
.card {
  border: none !important;
  border-radius: 16px;
  transition: var(--transition);
  background-color: var(--white);
  overflow: hidden;
}

.card.border-0 {
  border: none !important;
}

.card.shadow-sm {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

.card.shadow {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12) !important;
}

.card.shadow-lg {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15) !important;
}

.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(211, 47, 47, 0.2) !important;
}

.card-body {
  padding: 2rem;
}

.card-header {
  background-color: var(--light-gray) !important;
  border-bottom: 2px solid var(--primary-color) !important;
  padding: 1.25rem;
  font-weight: 600;
}

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

.card-text {
  color: var(--dark-gray);
  line-height: 1.8;
}

.testimonial-card {
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
  border-left: 4px solid var(--primary-color) !important;
}

/* Icons */
.bi {
  vertical-align: middle;
}

.rounded-circle.d-inline-flex {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #B71C1C 100%);
  color: var(--white) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.card:hover .rounded-circle.d-inline-flex {
  transform: rotate(360deg) scale(1.1);
}

/* Stats Section */
.py-5 {
  background-color: var(--light-gray);
}

.display-4.mb-0 {
  color: var(--primary-color) !important;
  font-weight: 800;
}

.text-muted {
  color: var(--dark-gray) !important;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Lists */
.list-unstyled li {
  padding: 0.75rem 0;
  transition: var(--transition);
}

.list-unstyled li:hover {
  padding-left: 10px;
}

.bi-check-circle-fill {
  color: var(--primary-color) !important;
  font-size: 1.25rem;
}

/* Images */
.img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  transition: var(--transition);
}

.img-fluid:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

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

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

/* Forms */
.form-control,
.form-select {
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  transition: var(--transition);
  color: var(--secondary-color) !important;
  background-color: var(--white) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.15) !important;
  outline: none;
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
}

.form-control-lg {
  padding: 1rem 1.5rem;
  font-size: 1.125rem;
}

.form-select-lg {
  padding: 1rem 1.5rem;
  font-size: 1.125rem;
}

.form-label {
  font-weight: 600;
  color: var(--secondary-color) !important;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-text {
  color: var(--dark-gray) !important;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--dark-gray);
  cursor: pointer;
}

.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, 0.15) !important;
}

.form-check-label {
  color: var(--secondary-color) !important;
  margin-left: 0.5rem;
  cursor: pointer;
}

.invalid-feedback {
  color: var(--primary-color) !important;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: none;
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
  border-color: var(--primary-color) !important;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

.was-validated .form-control:valid,
.form-control.is-valid {
  border-color: #4CAF50 !important;
}

/* Alerts */
.alert {
  border-radius: 12px;
  border: none;
  padding: 1.25rem;
  font-weight: 500;
}

.alert-warning {
  background-color: #FFF3E0 !important;
  color: #E65100 !important;
  border-left: 4px solid #FF9800 !important;
}

.alert-info {
  background-color: #E3F2FD !important;
  color: #0D47A1 !important;
  border-left: 4px solid #2196F3 !important;
}

/* Badge */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
}

/* Progress Bar */
.progress {
  height: 12px;
  border-radius: 10px;
  background-color: #E0E0E0;
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color) 0%, #B71C1C 100%);
  transition: width 1s ease-in-out;
}

/* Carousel */
.carousel {
  border-radius: 16px;
  overflow: hidden;
}

.carousel-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--white);
  opacity: 0.5;
  transition: var(--transition);
}

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

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: var(--primary-color);
  border-radius: 50%;
  padding: 2rem;
  transition: var(--transition);
}

.carousel-control-prev:hover .carousel-control-prev-icon,
.carousel-control-next:hover .carousel-control-next-icon {
  background-color: #B71C1C;
  transform: scale(1.1);
}

/* Filter Buttons */
.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--dark-gray);
  background-color: transparent;
  color: var(--dark-gray) !important;
  border-radius: 25px;
  transition: var(--transition);
  cursor: pointer;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.3);
}

/* Navigation Tabs */
.nav {
  border-bottom: 2px solid #E0E0E0;
}

.nav-link {
  color: var(--dark-gray) !important;
  font-weight: 500;
  padding: 1rem 1.5rem;
  border: none;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  border-bottom-color: var(--primary-color);
  background-color: transparent;
}

.flex-column .nav-link {
  border-bottom: none;
  border-left: 3px solid transparent;
  text-align: left;
}

.flex-column .nav-link:hover,
.flex-column .nav-link.active {
  border-left-color: var(--primary-color);
  background-color: rgba(211, 47, 47, 0.05);
}

/* Sticky Elements */
.position-sticky,
.sticky-top {
  position: sticky;
  top: 80px;
  z-index: 1020;
}

.position-fixed {
  position: fixed;
  z-index: 1030;
}

/* Availability List */
.availability-list {
  background-color: var(--light-gray);
  border-radius: 12px;
  padding: 1.5rem;
}

.availability-list .bi-clock {
  color: var(--primary-color) !important;
}

/* Step Indicator */
.step-indicator {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  position: relative;
}

.step-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #E0E0E0;
  z-index: 0;
  transform: translateY(-50%);
}

.step-indicator .step {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--white);
  border: 3px solid #E0E0E0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--dark-gray);
  z-index: 1;
  transition: var(--transition);
}

.step-indicator .step.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
  transform: scale(1.2);
}

.step-indicator .step.completed {
  background-color: #4CAF50;
  border-color: #4CAF50;
  color: var(--white);
}

/* Form Steps */
.form-step {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

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

/* Ratio (Video Container) */
.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-16x9 {
  --bs-aspect-ratio: 56.25%;
}

/* Text Colors */
.text-white {
  color: var(--white) !important;
}

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

.text-muted {
  color: var(--dark-gray) !important;
}

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

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

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

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

/* Text Decoration */
.text-decoration-none {
  text-decoration: none !important;
}

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

/* Scroll to Top Button */
.bi-arrow-up {
  color: var(--white) !important;
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: var(--white) !important;
  padding: 3rem 0 1rem;
}

footer h5,
footer h6 {
  color: var(--white) !important;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

footer a {
  color: rgba(255, 255, 255, 0.8) !important;
  text-decoration: none;
  transition: var(--transition);
  display: block;
  padding: 0.5rem 0;
}

footer a:hover {
  color: var(--primary-color) !important;
  padding-left: 10px;
}

footer .bi {
  color: var(--primary-color) !important;
}

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

/* Divider */
.vr {
  width: 2px;
  background-color: #E0E0E0;
  opacity: 1;
}

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

@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 pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.8s ease-in-out;
}

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

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

.animate-pulse {
  animation: pulse 2s infinite;
}

/* Loading Spinner */
.spinner-border {
  color: var(--primary-color) !important;
}

/* Utilities */
.shadow-sm {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

.shadow {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12) !important;
}

.shadow-lg {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15) !important;
}

/* Responsive Typography */
@media (max-width: 768px) {
  .display-2 {
    font-size: 2.5rem;
  }
  
  .display-3 {
    font-size: 2rem;
  }
  
  .display-4 {
    font-size: 1.75rem;
  }
  
  .display-5 {
    font-size: 1.5rem;
  }
  
  .display-6 {
    font-size: 1.25rem;
  }
  
  .lead {
    font-size: 1.1rem;
  }
}

/* Mobile Specific Styles */
@media (max-width: 991px) {
  .navbar-collapse {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  }
  
  .navbar-nav {
    padding: 0.5rem 0;
  }
  
  .navbar-dark .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 8px;
  }
  
  .navbar-dark .navbar-nav .nav-link:hover {
    background-color: rgba(211, 47, 47, 0.1);
  }
  
  .navbar-dark .navbar-nav .nav-link::after {
    display: none;
  }
  
  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .position-relative.overflow-hidden {
    min-height: 80vh;
  }
}

/* Desktop Specific Styles */
@media (min-width: 992px) {
  .container {
    max-width: 1200px;
  }
  
  .hover-lift:hover {
    transform: translateY(-15px);
  }
}

/* Extra Large Screens */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  footer {
    display: none !important;
  }
  
  .card {
    break-inside: avoid;
  }
}

/* Accessibility */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus,
.btn:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .btn-outline-light,
  .btn-outline-dark {
    border-width: 3px !important;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: #B71C1C;
}

/* Selection */
::selection {
  background-color: var(--primary-color);
  color: var(--white);
}

::-moz-selection {
  background-color: var(--primary-color);
  color: var(--white);
}