/* Storm Crystal Blue Architecture Studio Theme */

/* CSS Custom Properties */
:root {
  --primary-color: #2C5F7C;
  --secondary-color: #B8D4E3;
  --accent-color: #1A4A5C;
  --light-blue: #E8F4F8;
  --dark-blue: #1E4A5F;
  --text-dark: #2C3E50;
  --text-light: #FFFFFF;
  --text-muted: #6C757D;
  --border-color: #DEE2E6;
  --shadow-light: rgba(44, 95, 124, 0.1);
  --shadow-medium: rgba(44, 95, 124, 0.2);
  --shadow-dark: rgba(44, 95, 124, 0.3);
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--light-blue));
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --border-radius: 8px;
  --border-radius-lg: 12px;
}

/* Global Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 30px;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

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

.btn-primary {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 4px 15px var(--shadow-light);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-medium);
}

.btn-outline-primary {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-medium);
}

.btn-secondary {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--primary-color);
  font-weight: 600;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-light);
  transition: all var(--transition-fast);
  padding: 15px 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  padding: 10px 0;
  box-shadow: 0 4px 30px var(--shadow-medium);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.navbar-nav .nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  margin: 0 10px;
  padding: 8px 16px !important;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  position: relative;
}

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

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

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

.navbar-toggler {
  border: none;
  padding: 4px 8px;
  color: var(--primary-color);
}

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

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::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 0 100 100"><defs><pattern id="crystal" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><polygon points="10,2 18,8 10,14 2,8" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23crystal)"/></svg>')
  opacity: 0.1;
  animation: crystallFloat 20s ease-in-out infinite;
}

@keyframes crystallFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(1deg); }
  66% { transform: translateY(5px) rotate(-0.5deg); }
}

.hero-content {
  color: var(--text-light);
  z-index: 2;
  position: relative;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: 2rem;
  opacity: 0.9;
  font-weight: 300;
}

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

.hero-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  transition: transform var(--transition-medium);
}

.hero-image:hover img {
  transform: translateY(-10px) scale(1.02);
}

/* Section Styling */
.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 3rem;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Card Components */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-light);
  transition: all var(--transition-fast);
  overflow: hidden;
  background: #FFFFFF;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px var(--shadow-medium);
}

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

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

.card-body {
  padding: 2rem;
}

.card-title {
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.card-text {
  color: var(--text-muted);
  line-height: 1.6;
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px var(--shadow-light);
  transition: all var(--transition-fast);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px var(--shadow-medium);
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity var(--transition-fast);
  color: var(--text-light);
  text-align: center;
  padding: 2rem;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 0.95;
}

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.portfolio-category {
  font-size: 0.9rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Forms */
.form-control {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: #FFFFFF;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 95, 124, 0.25);
  background: var(--light-blue);
}

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

.form-floating .form-control {
  height: calc(3.5rem + 2px);
  line-height: 1.25;
}

.form-floating .form-control:focus,
.form-floating .form-control:not(:placeholder-shown) {
  padding-top: 1.625rem;
  padding-bottom: 0.625rem;
}

.form-floating label {
  color: var(--text-muted);
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
  color: var(--primary-color);
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Alert Styles */
.alert {
  border: none;
  border-radius: var(--border-radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: var(--light-blue);
  color: var(--primary-color);
  border-left: 4px solid var(--primary-color);
}

.alert-danger {
  background: #FFF5F5;
  color: #E53E3E;
  border-left: 4px solid #E53E3E;
}

/* Utility Classes */
.bg-primary-gradient {
  background: var(--gradient-primary);
  color: var(--text-light);
}

.bg-secondary-light {
  background: var(--light-blue);
}

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

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

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Loading Animation */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--light-blue);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 0.8s ease-in-out infinite;
}

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

/* Footer */
.footer {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: 60px 0 30px;
}

.footer h5 {
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.footer a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--text-light);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
    text-align: center;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 10px 20px;
    width: 100%;
    margin-bottom: 10px;
  }
  
  .navbar-nav {
    text-align: center;
    padding: 1rem 0;
  }
  
  .navbar-nav .nav-link {
    margin: 5px 0;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .portfolio-item img {
    height: 200px;
  }
  
  .portfolio-overlay {
    padding: 1rem;
  }
  
  .card-img-top {
    height: 200px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus States */
.btn:focus,
.form-control:focus,
.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #1A365D;
    --text-dark: #000000;
    --border-color: #000000;
  }
}