/* Architecture Studio - Power Red & Carbon Theme */

:root {
  --primary-color: #D32F2F;
  --secondary-color: #212121;
  --dark-gray: #1a1a1a;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --shadow: rgba(211, 47, 47, 0.2);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
.display-1, .display-3, .display-4, .display-5 {
  font-weight: 800 !important;
  letter-spacing: -0.02em !important;
  line-height: 1.1 !important;
}

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

/* Navigation */
.navbar {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%) !important;
  backdrop-filter: blur(10px);
  padding: 1rem 0 !important;
  transition: var(--transition);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

.navbar.scrolled {
  padding: 0.5rem 0 !important;
  background: rgba(33, 33, 33, 0.98) !important;
}

.navbar-brand {
  font-size: 1.75rem !important;
  color: var(--white) !important;
  font-weight: 800 !important;
  letter-spacing: -0.02em;
  transition: var(--transition);
  text-transform: uppercase;
}

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

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

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(211, 47, 47, 0.3) !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='%23D32F2F' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 600 !important;
  padding: 0.5rem 1.25rem !important;
  margin: 0 0.25rem;
  position: relative;
  transition: var(--transition);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

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

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

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--dark-gray) 0%, var(--secondary-color) 50%, #1a1a1a 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(211, 47, 47, 0.05) 50%, transparent 70%),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(211, 47, 47, 0.03) 2px, rgba(211, 47, 47, 0.03) 4px);
  animation: heroPattern 20s linear infinite;
  pointer-events: none;
}

@keyframes heroPattern {
  0% { transform: translateX(0); }
  100% { transform: translateX(50px); }
}

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

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

.hero-section .text-white {
  text-shadow: 2px 4px 12px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 1s ease-out;
}

.hero-section .display-1 {
  font-size: clamp(2.5rem, 8vw, 5rem) !important;
  margin-bottom: 1.5rem !important;
}

.hero-section .lead {
  color: rgba(255, 255, 255, 0.9) !important;
  max-width: 600px;
  animation: fadeInUp 1s ease-out 0.2s both;
}

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

/* Buttons */
.btn {
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition);
  border-radius: 0 !important;
  position: relative;
  overflow: hidden;
  border-width: 2px !important;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.btn:hover::before {
  left: 100%;
}

.btn-lg {
  font-size: 1rem !important;
}

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

.btn-primary:hover,
.btn.btn-primary: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-color: var(--white) !important;
  color: var(--white) !important;
  background-color: transparent !important;
}

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

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

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

.btn i {
  transition: var(--transition);
}

.btn:hover i {
  transform: translateX(5px);
}

/* Icons */
.bi, .fas, .far, .fa {
  transition: var(--transition);
}

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

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

/* Stats Section */
.stats-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%);
  border-top: 3px solid var(--primary-color);
  border-bottom: 3px solid var(--primary-color);
}

.stats-section .col-md-3 {
  transition: var(--transition);
  cursor: pointer;
}

.stats-section .col-md-3:hover {
  background-color: rgba(211, 47, 47, 0.1);
  transform: translateY(-5px);
}

.stats-section .bi {
  font-size: 3rem !important;
  color: var(--primary-color) !important;
  animation: pulse 2s ease-in-out infinite;
}

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

.stats-section .display-4 {
  color: var(--white) !important;
  font-weight: 800 !important;
}

.stats-section .text-light {
  color: rgba(255, 255, 255, 0.7) !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
}

.border-end {
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Cards */
.card {
  border: none !important;
  border-radius: 0 !important;
  transition: var(--transition);
  overflow: hidden;
  background: var(--white);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15) !important;
}

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

.shadow,
.shadow-lg {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

.shadow-sm {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
}

/* Value Cards */
.value-card {
  border-left: 4px solid var(--primary-color) !important;
  transition: var(--transition);
}

.value-card:hover {
  border-left-width: 8px !important;
  background-color: var(--light-gray);
}

.value-card .bi {
  color: var(--primary-color) !important;
  font-size: 2.5rem !important;
}

/* Images */
.img-fluid {
  transition: var(--transition);
}

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

.rounded {
  border-radius: 0 !important;
  position: relative;
  overflow: hidden;
}

.rounded::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.2) 0%, rgba(33, 33, 33, 0.5) 100%);
  opacity: 0;
  transition: var(--transition);
}

.rounded:hover::after {
  opacity: 1;
}

.object-fit-cover {
  object-fit: cover;
  width: 100%;
  height: 100%;
}

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

.py-5 {
  padding: 4rem 0 !important;
}

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

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

.my-5 {
  margin: 4rem 0 !important;
}

/* Contact Section */
.contact-info a {
  color: var(--secondary-color) !important;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

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

.contact-info .bi {
  color: var(--primary-color) !important;
  font-size: 1.25rem;
}

/* Forms */
.form-control,
.form-select {
  border: 2px solid #e0e0e0 !important;
  border-radius: 0 !important;
  padding: 0.75rem 1rem !important;
  transition: var(--transition);
  background-color: var(--white) !important;
  color: var(--secondary-color) !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;
  background-color: var(--white) !important;
}

.form-label {
  font-weight: 600 !important;
  color: var(--secondary-color) !important;
  margin-bottom: 0.5rem !important;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.form-check-input {
  border: 2px solid #e0e0e0 !important;
  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 {
  cursor: pointer;
  color: var(--secondary-color) !important;
}

.invalid-feedback {
  display: none;
  color: var(--primary-color) !important;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

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

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

/* Alerts */
.alert {
  border: none !important;
  border-radius: 0 !important;
  border-left: 4px solid var(--primary-color) !important;
}

.alert-success {
  background-color: rgba(76, 175, 80, 0.1) !important;
  color: #2E7D32 !important;
  border-left-color: #4CAF50 !important;
}

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

/* Footer */
footer {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--dark-gray) 100%);
  color: rgba(255, 255, 255, 0.8) !important;
  border-top: 3px solid var(--primary-color);
}

footer h5,
footer h6 {
  color: var(--white) !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

footer a {
  color: rgba(255, 255, 255, 0.7) !important;
  transition: var(--transition);
  text-decoration: none !important;
}

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

footer .list-unstyled li {
  margin-bottom: 0.75rem;
}

footer .bi {
  font-size: 1.5rem;
  margin: 0 0.5rem;
  transition: var(--transition);
}

footer .bi:hover {
  color: var(--primary-color) !important;
  transform: translateY(-3px) scale(1.1);
}

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

/* Flip Cards */
.flip-card {
  perspective: 1000px;
  height: 100%;
  min-height: 400px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.flip-card-front {
  background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
  border: 2px solid #e0e0e0;
}

.flip-card-back {
  background: linear-gradient(135deg, var(--primary-color) 0%, #B71C1C 100%);
  color: var(--white) !important;
  transform: rotateY(180deg);
}

.flip-card-back * {
  color: var(--white) !important;
}

/* Program Cards */
.program-card {
  transition: var(--transition);
  cursor: pointer;
}

.program-card:hover {
  transform: translateY(-10px);
}

/* Progress Bars */
.progress {
  height: 8px !important;
  border-radius: 0 !important;
  background-color: rgba(211, 47, 47, 0.1) !important;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color) 0%, #E53935 100%) !important;
  transition: width 1s ease-in-out;
}

/* Pricing Toggle */
.pricing-toggle {
  cursor: pointer;
  transition: var(--transition);
}

.pricing-toggle:hover {
  transform: scale(1.05);
}

.pricing-toggle.active {
  background-color: var(--primary-color) !important;
  color: var(--white) !important;
}

/* Badges */
.badge {
  border-radius: 0 !important;
  padding: 0.5rem 1rem !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.bg-primary {
  background-color: var(--primary-color) !important;
}

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

/* Filter Buttons */
.filter-btn {
  background-color: transparent !important;
  border: 2px solid var(--secondary-color) !important;
  color: var(--secondary-color) !important;
  padding: 0.75rem 1.5rem !important;
  margin: 0.25rem;
  transition: var(--transition);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
}

/* Accordion */
.accordion-item {
  border: none !important;
  border-bottom: 1px solid #e0e0e0 !important;
  border-radius: 0 !important;
}

.accordion-button {
  background-color: var(--white) !important;
  color: var(--secondary-color) !important;
  font-weight: 600 !important;
  padding: 1.5rem !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  background-color: var(--light-gray) !important;
  color: var(--primary-color) !important;
  border-left: 4px solid var(--primary-color);
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(13%) sepia(6%) saturate(12%) hue-rotate(352deg) brightness(96%) contrast(88%);
}

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) saturate(100%) invert(21%) sepia(77%) saturate(3217%) hue-rotate(348deg) brightness(94%) contrast(87%);
}

.accordion-body {
  padding: 1.5rem !important;
  color: var(--secondary-color) !important;
  background-color: var(--white);
}

/* 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 Navigation */
.position-sticky {
  position: sticky !important;
  top: 100px;
}

.nav.flex-column .nav-link {
  color: var(--secondary-color) !important;
  padding: 0.75rem 1rem !important;
  border-left: 3px solid transparent;
  margin-bottom: 0.5rem;
}

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

/* Utilities */
.text-primary {
  color: var(--primary-color) !important;
}

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

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

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

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

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

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

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

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

/* Animations */
.fade-in {
  animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

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

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

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(33, 33, 33, 0.98);
    padding: 1rem;
    margin-top: 1rem;
    border-top: 2px solid var(--primary-color);
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
    border-left: 3px solid transparent;
  }
  
  .nav-link:hover,
  .nav-link.active {
    border-left-color: var(--primary-color);
    background-color: rgba(211, 47, 47, 0.1);
  }
  
  .display-1 {
    font-size: 2.5rem !important;
  }
  
  .display-3 {
    font-size: 2rem !important;
  }
  
  .display-4 {
    font-size: 1.75rem !important;
  }
  
  .display-5 {
    font-size: 1.5rem !important;
  }
  
  .hero-section {
    min-height: 80vh;
  }
  
  .border-end {
    border-right: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  }
  
  .flip-card {
    min-height: 350px;
  }
}

@media (max-width: 767.98px) {
  .py-5 {
    padding: 3rem 0 !important;
  }
  
  .px-5 {
    padding-left: 2rem !important;
    padding-right: 2rem !important;
  }
  
  .display-1 {
    font-size: 2rem !important;
  }
  
  .lead {
    font-size: 1rem !important;
  }
  
  .btn-lg {
    padding: 0.75rem 2rem !important;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .gap-3 {
    gap: 0.5rem !important;
  }
  
  .stats-section .bi {
    font-size: 2rem !important;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .btn,
  footer {
    display: none;
  }
}