/* Quantum Night Architecture Studio CSS */

/* Custom Properties */
:root {
  --primary-color: #0A0A23;
  --secondary-color: #00D4FF;
  --accent-color: #1E1E5A;
  --light-blue: #66E5FF;
  --dark-blue: #003D4F;
  --text-light: #F8F9FA;
  --text-dark: #212529;
  --text-muted: #6C757D;
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--light-blue) 100%);
  --shadow-light: 0 4px 6px rgba(0, 212, 255, 0.1);
  --shadow-medium: 0 8px 25px rgba(0, 212, 255, 0.15);
  --shadow-heavy: 0 15px 35px rgba(0, 212, 255, 0.2);
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background: linear-gradient(180deg, var(--primary-color) 0%, #1a1a4a 50%, var(--accent-color) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-light);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--secondary-color);
}

p {
  margin-bottom: 1rem;
  color: var(--text-light);
  opacity: 0.9;
}

/* Bootstrap 5 Overrides */
.container-fluid {
  padding-left: 1rem;
  padding-right: 1rem;
}

.btn {
  border-radius: 50px;
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  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 var(--transition-medium);
}

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

.btn-primary {
  background: var(--gradient-secondary);
  border-color: var(--secondary-color);
  color: var(--primary-color);
}

.btn-primary:hover {
  background: var(--secondary-color);
  border-color: var(--light-blue);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

.btn-outline-primary:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
  color: var(--text-light);
}

.btn-secondary:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Navigation */
.navbar {
  background: rgba(10, 10, 35, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
  transition: all var(--transition-fast);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--light-blue);
}

.navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  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(--secondary-color);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover {
  color: var(--secondary-color);
  background: rgba(0, 212, 255, 0.1);
}

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

.navbar-nav .nav-link.active {
  color: var(--secondary-color);
  background: rgba(0, 212, 255, 0.15);
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

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

.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='%2300D4FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%2300D4FF" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
  opacity: 0.3;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(10px, 10px); }
}

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

.hero-title {
  animation: slideInUp 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--light-blue);
  margin-bottom: 2rem;
  animation: slideInUp 1s ease-out 0.2s both;
}

.hero-description {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  margin-bottom: 3rem;
  animation: slideInUp 1s ease-out 0.4s both;
}

.hero-buttons {
  animation: slideInUp 1s ease-out 0.6s both;
}

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

/* Section Styles */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gradient-secondary);
  border-radius: 2px;
}

/* Cards */
.card {
  background: rgba(30, 30, 90, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  transition: all var(--transition-medium);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--secondary-color);
}

.card-img-top {
  transition: transform var(--transition-medium);
  border-radius: 15px 15px 0 0;
}

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

.card-body {
  padding: 2rem;
}

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

.card-text {
  color: var(--text-light);
  opacity: 0.9;
}

/* Forms */
.form-control {
  background: rgba(30, 30, 90, 0.5);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 10px;
  color: var(--text-light);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  background: rgba(30, 30, 90, 0.8);
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.25);
  color: var(--text-light);
}

.form-control::placeholder {
  color: rgba(248, 249, 250, 0.6);
}

.form-label {
  color: var(--secondary-color);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.invalid-feedback {
  color: #ff6b6b;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.is-invalid {
  border-color: #ff6b6b;
}

/* Portfolio Grid */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  cursor: pointer;
  transition: transform var(--transition-medium);
}

.portfolio-item:hover {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(10, 10, 35, 0.9), rgba(0, 212, 255, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-content {
  text-align: center;
  color: var(--text-light);
  transform: translateY(20px);
  transition: transform var(--transition-fast);
}

.portfolio-item:hover .portfolio-content {
  transform: translateY(0);
}

/* Team Cards */
.team-card {
  text-align: center;
  background: rgba(30, 30, 90, 0.6);
  border-radius: 20px;
  padding: 2rem;
  transition: all var(--transition-medium);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.team-card:hover {
  transform: translateY(-10px);
  background: rgba(30, 30, 90, 0.9);
  border-color: var(--secondary-color);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  border: 3px solid var(--secondary-color);
  transition: transform var(--transition-fast);
}

.team-card:hover .team-avatar {
  transform: scale(1.1);
}

/* Footer */
.footer {
  background: var(--gradient-primary);
  color: var(--text-light);
  padding: 3rem 0 1rem;
}

.footer-link {
  color: var(--light-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--secondary-color);
}

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

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

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.pulse {
  animation: pulse 2s infinite;
}

/* Loading Spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 212, 255, 0.3);
  border-top: 3px solid var(--secondary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    text-align: center;
    padding: 2rem 0;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .btn {
    padding: 0.6rem 1.5rem;
    margin: 0.25rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .navbar-nav {
    text-align: center;
    padding-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
}

@media (max-width: 576px) {
  .container-fluid {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }
  
  .hero-buttons .btn {
    display: block;
    width: 100%;
    margin: 0.5rem 0;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    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(--secondary-color);
  outline-offset: 2px;
}

/* Dark theme adjustments */
@media (prefers-color-scheme: dark) {
  body {
    color: var(--text-light);
  }
}