/* Architectural Studio - Quantum Blue & Solar Orange Theme */

/* Custom Properties */
:root {
  --primary-color: #1A365D;
  --secondary-color: #F7931E;
  --primary-light: #2D4A6B;
  --primary-dark: #0F1E2E;
  --secondary-light: #FFB347;
  --secondary-dark: #E6851A;
  --accent-blue: #4A90E2;
  --accent-orange: #FF6B35;
  --neutral-light: #F8F9FA;
  --neutral-medium: #6C757D;
  --neutral-dark: #212529;
  --white: #FFFFFF;
  --shadow-light: rgba(26, 54, 93, 0.1);
  --shadow-medium: rgba(26, 54, 93, 0.15);
  --shadow-heavy: rgba(26, 54, 93, 0.25);
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --transition-speed: 0.3s;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--neutral-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
}

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

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

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.75rem 2rem;
  transition: all var(--transition-speed) ease;
  border: 2px solid transparent;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(247, 147, 30, 0.3);
}

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

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

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

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

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px var(--shadow-light);
  transition: all var(--transition-speed) ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px var(--shadow-medium);
}

.card-header {
  background-color: var(--primary-color);
  color: var(--white);
  border-bottom: none;
  padding: 1.5rem;
}

.card-body {
  padding: 2rem;
}

/* Navigation */
.navbar {
  background-color: rgba(26, 54, 93, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(247, 147, 30, 0.2);
  padding: 1rem 0;
  transition: all var(--transition-speed) ease;
}

.navbar.scrolled {
  background-color: var(--primary-color);
  box-shadow: 0 2px 20px var(--shadow-medium);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--white);
  text-decoration: none;
}

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

.navbar-nav .nav-link {
  color: var(--white);
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin: 0 0.25rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--secondary-color);
  background-color: rgba(247, 147, 30, 0.1);
}

.navbar-nav .nav-link.active {
  color: var(--secondary-color);
}

.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background-color: var(--secondary-color);
}

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

.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='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="%23F7931E" opacity="0.1"/><circle cx="80" cy="40" r="1" fill="%23F7931E" opacity="0.1"/><circle cx="40" cy="80" r="1" fill="%23F7931E" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
  pointer-events: none;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.3rem;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .btn {
  margin-right: 1rem;
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease-out 0.6s both;
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

/* Project Grid */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.project-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  height: 300px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, transparent 100%);
  opacity: 0.8;
  transition: all var(--transition-speed) ease;
  z-index: 2;
}

.project-card:hover::before {
  opacity: 0.6;
}

.project-card:hover {
  transform: scale(1.02);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all var(--transition-speed) ease;
}

.project-card:hover img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  color: var(--white);
  z-index: 3;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-speed) ease;
}

.project-card:hover .project-overlay {
  transform: translateY(0);
  opacity: 1;
}

.project-overlay h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.project-overlay p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  margin: 0;
}

/* Services */
.service-item {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-speed) ease;
  border: 2px solid transparent;
}

.service-item:hover {
  background-color: var(--neutral-light);
  border-color: var(--secondary-color);
  transform: translateY(-5px);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--white);
  transition: all var(--transition-speed) ease;
}

.service-item:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

/* Forms */
.form-control {
  border: 2px solid #E9ECEF;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all var(--transition-speed) ease;
  background-color: var(--white);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(247, 147, 30, 0.25);
  background-color: var(--white);
}

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

.form-floating .form-control:focus ~ label {
  color: var(--secondary-color);
}

/* Contact Section */
.contact-info {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  height: fit-content;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  font-size: 1.2rem;
}

.contact-text h5 {
  color: var(--white);
  margin-bottom: 0.25rem;
}

.contact-text p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

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

.footer h5 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

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

.animate-on-scroll {
  opacity: 0;
  transition: all 0.6s ease;
}

.animate-on-scroll.animate {
  opacity: 1;
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Loading Animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(247, 147, 30, 0.3), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-nav {
    background-color: var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-top: 1rem;
  }
  
  .hero {
    text-align: center;
    padding: 2rem 0;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .contact-info {
    margin-top: 2rem;
  }
}

@media (max-width: 767.98px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .btn {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .hero .btn {
    display: inline-block;
    width: auto;
    margin-right: 0.5rem;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .project-card {
    height: 250px;
  }
  
  .contact-info {
    padding: 2rem;
  }
}

@media (max-width: 575.98px) {
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .service-item {
    padding: 1.5rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .contact-info {
    padding: 1.5rem;
  }
}

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

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

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

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

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

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

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

/* 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 States */
a:focus,
button:focus,
.btn:focus,
.form-control:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .btn {
    display: none;
  }
  
  body {
    color: black;
  }
  
  .hero {
    background: none;
    color: black;
  }
}