/* Architectural Studio - Midnight Amber Theme */
/* CSS Variables */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E67E22;
  --primary-dark: #1A252F;
  --secondary-dark: #D35400;
  --accent-color: #F39C12;
  --text-light: #ECF0F1;
  --text-dark: #2C3E50;
  --gray-light: #BDC3C7;
  --gray-medium: #7F8C8D;
  --white: #FFFFFF;
  --black: #000000;
  --shadow-light: rgba(44, 62, 80, 0.1);
  --shadow-medium: rgba(44, 62, 80, 0.2);
  --shadow-dark: rgba(44, 62, 80, 0.3);
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --border-radius: 8px;
  --border-radius-large: 16px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

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

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--gray-medium);
}

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

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

/* Bootstrap 5 Overrides */
.btn {
  font-family: var(--font-primary);
  font-weight: 600;
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

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

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

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

.btn-secondary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.3);
}

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

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

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

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

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-medium);
}

.card-header {
  background: var(--gradient-primary);
  color: var(--white);
  border-bottom: none;
  padding: var(--spacing-lg);
}

.card-body {
  padding: var(--spacing-xl);
}

/* Form Controls */
.form-control {
  border-radius: var(--border-radius);
  border: 2px solid var(--gray-light);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-base);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.25);
}

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

/* Navigation */
.navbar {
  background: rgba(44, 62, 80, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-light);
  transition: var(--transition-base);
  padding: var(--spacing-md) 0;
}

.navbar-brand {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--secondary-color);
  background: rgba(230, 126, 34, 0.1);
}

.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='rgba%28236, 240, 241, 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-dark) 50%, var(--secondary-dark) 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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
  opacity: 0.3;
}

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

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

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .btn {
  animation: fadeInUp 1s ease-out 0.4s both;
  margin: 0.5rem;
}

/* Section Styling */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gradient-secondary);
  border-radius: 2px;
}

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

.project-card {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-light);
  transition: var(--transition-base);
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 40px var(--shadow-medium);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(44, 62, 80, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-base);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-info {
  padding: var(--spacing-xl);
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.project-description {
  color: var(--gray-medium);
  margin-bottom: var(--spacing-md);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.project-tag {
  background: var(--gradient-secondary);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.service-card {
  text-align: center;
  padding: var(--spacing-xxl);
  background: var(--white);
  border-radius: var(--border-radius-large);
  box-shadow: 0 4px 20px var(--shadow-light);
  transition: var(--transition-base);
  border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-medium);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: 2rem;
  color: var(--white);
}

.service-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.team-card {
  text-align: center;
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-light);
  transition: var(--transition-base);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-medium);
}

.team-image {
  position: relative;
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

.team-info {
  padding: var(--spacing-xl);
}

.team-name {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.team-position {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.team-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.team-social a {
  width: 40px;
  height: 40px;
  background: var(--gray-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  transition: var(--transition-base);
}

.team-social a:hover {
  background: var(--secondary-color);
  color: var(--white);
  transform: translateY(-2px);
}

/* Contact Section */
.contact-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.contact-section .section-title {
  color: var(--white);
}

.contact-section .section-title::after {
  background: var(--gradient-secondary);
}

.contact-info {
  margin-bottom: var(--spacing-xxl);
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-lg);
  font-size: 1.25rem;
}

.contact-form {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-large);
  backdrop-filter: blur(10px);
}

.contact-form .form-control {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  color: var(--primary-color);
}

.contact-form .form-control::placeholder {
  color: var(--gray-medium);
}

.contact-form .form-label {
  color: var(--white);
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: var(--text-light);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.footer-section p,
.footer-section a {
  color: var(--gray-light);
}

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

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.footer-social a {
  width: 45px;
  height: 45px;
  background: rgba(230, 126, 34, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-color);
  transition: var(--transition-base);
}

.footer-social a:hover {
  background: var(--secondary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray-medium);
}

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

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

@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);
  }
}

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

.fade-in {
  animation: fadeIn 1s ease-out;
}

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

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

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 0.8s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    text-align: center;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .project-grid,
  .services-grid,
  .team-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .contact-form {
    padding: var(--spacing-lg);
  }
  
  .navbar-nav {
    text-align: center;
    background: var(--primary-dark);
    margin-top: var(--spacing-md);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .btn {
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }
  
  .hero .btn {
    width: auto;
    display: block;
    margin: var(--spacing-sm) auto;
  }
  
  .contact-item {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-icon {
    margin-right: 0;
    margin-bottom: var(--spacing-md);
  }
}

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

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

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

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

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

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

.shadow-custom {
  box-shadow: 0 4px 20px var(--shadow-light);
}

.rounded-custom {
  border-radius: var(--border-radius-large);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 1000;
  cursor: pointer;
  border: none;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 126, 34, 0.3);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-light);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-dark);
}

/* Selection */
::selection {
  background: var(--secondary-color);
  color: var(--white);
}

::-moz-selection {
  background: var(--secondary-color);
  color: var(--white);
}