/* Architectural Studio - Deep Ocean & Forge Gold Theme */

/* CSS Custom Properties */
:root {
  --primary-color: #2C5F7A;
  --secondary-color: #D4AF37;
  --primary-dark: #1e4455;
  --primary-light: #4a8db0;
  --secondary-dark: #b8941f;
  --secondary-light: #e6c55a;
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --ocean-gradient: linear-gradient(135deg, #2C5F7A 0%, #1e4455 100%);
  --forge-gradient: linear-gradient(135deg, #D4AF37 0%, #b8941f 100%);
  --shadow-light: 0 2px 15px rgba(44, 95, 122, 0.1);
  --shadow-medium: 0 5px 25px rgba(44, 95, 122, 0.15);
  --shadow-heavy: 0 10px 40px rgba(44, 95, 122, 0.2);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 8px;
  --border-radius-lg: 16px;
}

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

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

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

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, 2.5rem);
}

p {
  margin-bottom: 1.5rem;
  color: var(--medium-gray);
}

.lead {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--primary-light);
}

/* Bootstrap 5 Overrides */
.btn {
  border: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.75rem 2rem;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--ocean-gradient);
  color: var(--white);
  box-shadow: var(--shadow-light);
}

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

.btn-primary:focus {
  box-shadow: 0 0 0 0.2rem rgba(44, 95, 122, 0.25);
  color: var(--white);
}

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

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

.btn-secondary:focus {
  box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
  color: var(--white);
}

.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);
}

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

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

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-light);
  transition: var(--transition-smooth);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-medium);
  padding: 0.5rem 0;
}

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

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

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--medium-gray);
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color);
  background: rgba(44, 95, 122, 0.1);
}

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

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

.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%2844, 95, 122, 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, rgba(44, 95, 122, 0.9), rgba(30, 68, 85, 0.95)),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
  display: flex;
  align-items: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(212, 175, 55, 0.1) 50%, transparent 70%);
  animation: shimmer 8s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

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

.hero h1 {
  color: var(--white);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease-out 0.2s both;
}

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

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

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

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

.card-img-top {
  transition: var(--transition-smooth);
  height: 250px;
  object-fit: cover;
}

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

.card-body {
  padding: 2rem;
}

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

.card-text {
  color: var(--medium-gray);
  line-height: 1.6;
}

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

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

.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--forge-gradient);
  border-radius: 2px;
}

.bg-ocean {
  background: var(--ocean-gradient);
  color: var(--white);
}

.bg-ocean h2,
.bg-ocean h3,
.bg-ocean h4 {
  color: var(--white);
}

.bg-ocean p {
  color: rgba(255, 255, 255, 0.9);
}

.bg-forge {
  background: var(--forge-gradient);
  color: var(--white);
}

.bg-forge h2,
.bg-forge h3,
.bg-forge h4 {
  color: var(--white);
}

.bg-forge p {
  color: rgba(255, 255, 255, 0.9);
}

/* Forms */
.form-control {
  border: 2px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: var(--transition-smooth);
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 95, 122, 0.15);
  background: var(--white);
}

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

.invalid-feedback {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-control.is-invalid {
  border-color: #dc3545;
}

.form-control.is-valid {
  border-color: #28a745;
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(44, 95, 122, 0.9), rgba(212, 175, 55, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

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

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

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

/* Services */
.service-icon {
  width: 80px;
  height: 80px;
  background: var(--forge-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--white);
  font-size: 2rem;
  transition: var(--transition-smooth);
}

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

.service-item {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-smooth);
}

.service-item:hover {
  background: rgba(44, 95, 122, 0.05);
}

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

.footer h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

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

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.6s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    padding: 2rem 0;
    text-align: center;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 0.65rem 1.5rem;
    font-size: 0.85rem;
  }
  
  .navbar-nav {
    background: var(--white);
    border-radius: var(--border-radius);
    margin-top: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-light);
  }
  
  .navbar-nav .nav-link {
    margin: 0.25rem 0;
  }
}

@media (max-width: 576px) {
  .hero {
    min-height: 80vh;
  }
  
  .section-header {
    margin-bottom: 3rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .service-item {
    padding: 1.5rem;
  }
}

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

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

.bg-light-ocean {
  background: rgba(44, 95, 122, 0.1);
}

.bg-light-forge {
  background: rgba(212, 175, 55, 0.1);
}

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

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

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

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: loading 1.5s infinite;
}

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

/* Scroll indicators */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(44, 95, 122, 0.1);
  z-index: 9999;
}

.scroll-progress {
  height: 100%;
  background: var(--forge-gradient);
  width: 0%;
  transition: width 0.1s ease;
}