/* Architecture Studio CSS - Deep Navy & Gold Theme */
:root {
  --primary-color: #1a365d;
  --secondary-color: #ffd700;
  --primary-light: #2d4a68;
  --primary-dark: #0f2439;
  --gold-light: #ffe55c;
  --gold-dark: #ccac00;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 4px rgba(26, 54, 93, 0.1);
  --shadow-md: 0 4px 12px rgba(26, 54, 93, 0.15);
  --shadow-lg: 0 8px 24px rgba(26, 54, 93, 0.2);
  --border-radius: 8px;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

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

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

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

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

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

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

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

p {
  margin-bottom: 1rem;
  font-size: clamp(1rem, 2vw, 1.125rem);
}

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

/* Bootstrap Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 600;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), var(--gold-light));
  color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--gold-dark), var(--secondary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--primary-color);
}

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

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

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

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  border: none;
  font-weight: 600;
}

/* Navigation */
.navbar {
  background: rgba(26, 54, 93, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color) !important;
}

.navbar-nav .nav-link {
  color: var(--white) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  position: relative;
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  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: 80%;
}

.navbar-nav .nav-link:hover {
  color: var(--secondary-color) !important;
}

.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='%23ffd700' 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) 100%);
  position: relative;
  display: flex;
  align-items: center;
  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"><polygon fill="%23ffd700" fill-opacity="0.05" points="0,0 100,0 50,50"/></svg>');
  background-size: 200px 200px;
  animation: geometricFloat 20s ease-in-out infinite;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 1s ease 0.5s forwards;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s ease 0.7s forwards;
}

.hero .btn {
  opacity: 0;
  animation: fadeInUp 1s ease 0.9s forwards;
}

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

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--gold-light));
  border-radius: 2px;
}

/* Project Cards */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.project-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.9), rgba(26, 54, 93, 0.7));
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--white);
  text-align: center;
  padding: 2rem;
}

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

.project-overlay h4 {
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

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

.service-item:hover {
  background: var(--light-gray);
  border-color: var(--secondary-color);
  transform: translateY(-4px);
}

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

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

/* Contact Form */
.form-control {
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 215, 0, 0.25);
}

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

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  color: var(--white);
  padding: 3rem 0 1rem;
}

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

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

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

@keyframes geometricFloat {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

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

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

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

/* Mobile Optimizations */
@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    min-height: 80vh;
    text-align: center;
  }
  
  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }
  
  .btn:last-child {
    margin-bottom: 0;
  }
  
  .project-overlay {
    opacity: 1;
    background: linear-gradient(0deg, rgba(26, 54, 93, 0.9), transparent);
  }
  
  .service-item {
    margin-bottom: 2rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
}

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

/* Print styles */
@media print {
  .navbar,
  .btn,
  .footer {
    display: none !important;
  }
  
  body {
    color: black;
    background: white;
  }
}