/* Cosmic Storm Architecture Studio - CSS */

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

:root {
  --primary-color: #1a237e;
  --secondary-color: #ff6f00;
  --primary-dark: #0d1454;
  --primary-light: #3f51b5;
  --secondary-dark: #e65100;
  --secondary-light: #ffb74d;
  --text-dark: #212121;
  --text-light: #ffffff;
  --text-muted: #757575;
  --bg-light: #fafafa;
  --bg-dark: #121212;
  --gradient-cosmic: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--secondary-color) 100%);
  --gradient-storm: linear-gradient(45deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  --shadow-light: 0 2px 10px rgba(26, 35, 126, 0.1);
  --shadow-medium: 0 4px 20px rgba(26, 35, 126, 0.2);
  --shadow-heavy: 0 8px 30px rgba(26, 35, 126, 0.3);
  --border-radius: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover, a:focus {
  color: var(--secondary-color);
  text-decoration: none;
}

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: none;
  padding: 0.75rem 2rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-cosmic);
  color: var(--text-light);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--gradient-storm);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.btn-secondary {
  background: var(--gradient-storm);
  color: var(--text-light);
  box-shadow: var(--shadow-light);
}

.btn-secondary:hover, .btn-secondary:focus {
  background: var(--secondary-dark);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background: var(--primary-color);
  color: var(--text-light);
  border-color: var(--primary-color);
}

/* Navigation */
.navbar {
  background: rgba(26, 35, 126, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: var(--primary-color);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.navbar-brand:hover, .navbar-brand:focus {
  color: var(--secondary-color);
}

.navbar-nav .nav-link {
  color: var(--text-light);
  font-weight: 500;
  margin: 0 0.5rem;
  position: relative;
  transition: var(--transition);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 100%;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--secondary-color);
}

.navbar-toggler {
  border: none;
  padding: 0;
}

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

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: var(--gradient-cosmic);
  position: relative;
  display: flex;
  align-items: center;
  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"><circle cx="20" cy="20" r="1" fill="%23ffffff" opacity="0.3"><animate attributeName="opacity" values="0.3;1;0.3" dur="2s" repeatCount="indefinite"/></circle><circle cx="80" cy="40" r="1.5" fill="%23ff6f00" opacity="0.5"><animate attributeName="opacity" values="0.5;1;0.5" dur="3s" repeatCount="indefinite"/></circle><circle cx="40" cy="70" r="1" fill="%23ffffff" opacity="0.4"><animate attributeName="opacity" values="0.4;1;0.4" dur="2.5s" repeatCount="indefinite"/></circle></svg>') repeat;
  animation: cosmic-drift 20s linear infinite;
}

@keyframes cosmic-drift {
  0% { transform: translateX(0) translateY(0); }
  100% { transform: translateX(-100px) translateY(-100px); }
}

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

.hero-title {
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  animation: fade-in-up 1s ease-out;
}

.hero-subtitle {
  color: var(--secondary-light);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  animation: fade-in-up 1s ease-out 0.2s both;
}

.hero-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  animation: fade-in-up 1s ease-out 0.4s both;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
}

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

.card-header {
  background: var(--gradient-cosmic);
  color: var(--text-light);
  border: none;
  font-weight: 600;
}

.card-title {
  color: var(--primary-color);
  font-weight: 700;
}

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

.portfolio-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-cosmic);
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.portfolio-item:hover::before {
  opacity: 0.9;
}

.portfolio-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-light);
  text-align: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 3;
}

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

.portfolio-item img {
  transition: var(--transition);
}

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

/* Forms */
.form-control {
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background-color: var(--bg-light);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(26, 35, 126, 0.25);
  background-color: var(--text-light);
}

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

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Animation */
.cosmic-loader {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--primary-light);
  border-radius: 50%;
  border-top-color: var(--secondary-color);
  animation: cosmic-spin 1s ease-in-out infinite;
}

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

/* Utility Classes */
.text-primary-custom {
  color: var(--primary-color);
}

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

.bg-primary-custom {
  background: var(--gradient-cosmic);
}

.bg-secondary-custom {
  background: var(--gradient-storm);
}

.section-padding {
  padding: 5rem 0;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .navbar-collapse {
    background: var(--primary-color);
    margin-top: 1rem;
    border-radius: var(--border-radius);
    padding: 1rem;
  }
  
  .hero-section {
    min-height: 80vh;
    text-align: center;
  }
  
  .section-padding {
    padding: 3rem 0;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .card {
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section-padding {
    padding: 2rem 0;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --text-dark: #ffffff;
    --text-muted: #b0b0b0;
    --bg-light: var(--bg-dark);
  }
  
  body {
    background-color: var(--bg-dark);
  }
  
  .card {
    background-color: #1e1e1e;
    color: var(--text-light);
  }
  
  .form-control {
    background-color: #2a2a2a;
    color: var(--text-light);
    border-color: #404040;
  }
}

/* Accessibility */
.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;
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 0.2rem rgba(255, 111, 0, 0.5);
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.8);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.8);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.9);
  }
}