/* Architectural Studio - Slate Crimson Theme */

/* Custom Properties */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-dark: #1B2631;
  --primary-light: #34495E;
  --secondary-light: #EC7063;
  --secondary-dark: #C0392B;
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --medium-gray: #6C757D;
  --dark-gray: #343A40;
  --success: #27AE60;
  --warning: #F39C12;
  --shadow-light: 0 2px 15px rgba(44, 62, 80, 0.1);
  --shadow-medium: 0 5px 25px rgba(44, 62, 80, 0.15);
  --shadow-heavy: 0 10px 40px rgba(44, 62, 80, 0.2);
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --border-radius: 8px;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

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;
  color: var(--medium-gray);
}

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

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

/* Bootstrap 5 Overrides */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 0.75rem 2rem;
  border: 2px solid transparent;
  transition: var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

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

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

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

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

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

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

.card-header {
  background-color: var(--light-gray);
  border-bottom: 1px solid #dee2e6;
  font-weight: 600;
}

.form-control {
  border-radius: var(--border-radius);
  border: 2px solid #e9ecef;
  padding: 0.75rem 1rem;
  transition: var(--transition-base);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.25);
}

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

/* Navigation */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-light);
  transition: var(--transition-base);
  padding: 1rem 0;
}

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

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

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

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--primary-color);
  margin: 0 0.5rem;
  padding: 0.5rem 1rem;
  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-color: rgba(231, 76, 60, 0.1);
}

.navbar-toggler {
  border: none;
  padding: 0.25rem 0.5rem;
}

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

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--white);
  box-shadow: var(--shadow-heavy);
  z-index: 1050;
  transition: right 0.3s ease;
  padding: 2rem;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu .nav-link {
  display: block;
  padding: 1rem 0;
  font-size: 1.1rem;
  border-bottom: 1px solid #eee;
  color: var(--primary-color);
}

.mobile-menu .nav-link:hover {
  color: var(--secondary-color);
}

.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-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="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(10px, 10px); }
}

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

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

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1s ease 0.7s forwards;
}

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

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

/* 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-color: var(--secondary-color);
}

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

.project-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  aspect-ratio: 4/3;
  background: var(--light-gray);
  cursor: pointer;
  transition: var(--transition-base);
}

.project-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  opacity: 0;
  transition: var(--transition-base);
  z-index: 1;
}

.project-item:hover::before {
  opacity: 0.8;
}

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--white);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-base);
  z-index: 2;
  padding: 2rem;
  text-align: center;
}

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

.project-overlay h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

/* Services */
.service-card {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: var(--border-radius);
  background: var(--white);
  transition: var(--transition-base);
  height: 100%;
  border: 2px solid transparent;
}

.service-card:hover {
  border-color: var(--secondary-color);
  transform: translateY(-10px);
}

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

.service-card:hover .service-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-medium);
}

/* Contact Form */
.contact-form {
  background: var(--light-gray);
  padding: 3rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-control.is-valid {
  border-color: var(--success);
}

.form-control.is-invalid {
  border-color: var(--secondary-color);
}

.invalid-feedback {
  color: var(--secondary-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.valid-feedback {
  color: var(--success);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

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

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

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.8);
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition-base);
}

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

/* Animations */
@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);
  }
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

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

/* 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, 0.8), transparent);
  animation: loading 1.5s infinite;
}

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

/* Scroll to Top */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 1000;
}

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

.scroll-to-top:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    padding: 2rem 0;
    text-align: center;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: 2rem 1rem;
  }
  
  .mobile-menu {
    width: 280px;
  }
  
  .btn {
    padding: 0.65rem 1.5rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .service-card {
    padding: 2rem 1rem;
  }
  
  .mobile-menu {
    width: 100%;
    right: -100%;
  }
  
  .mobile-menu.active {
    right: 0;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .scroll-to-top,
  .mobile-menu,
  .mobile-overlay {
    display: none;
  }
  
  body {
    color: #000;
  }
  
  .hero {
    background: none;
    color: #000;
    min-height: auto;
  }
}