/* Architectural Studio CSS - Flare Orange & Steel Theme */

/* CSS Custom Properties */
:root {
  --primary-color: #FF6B35;
  --secondary-color: #2C3E50;
  --primary-light: #FF8A5B;
  --primary-dark: #E85A2B;
  --secondary-light: #34495E;
  --secondary-dark: #1B252F;
  --accent-color: #F39C12;
  --light-gray: #ECF0F1;
  --dark-gray: #7F8C8D;
  --white: #FFFFFF;
  --black: #2C2C2C;
  --shadow-light: 0 2px 10px 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);
  --border-radius: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--white);
  font-size: 16px;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

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

h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.25rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.125rem); }

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

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Bootstrap 5 Overrides */
.container {
  max-width: 1200px;
}

.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  padding: 12px 24px;
  border: none;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 14px;
}

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

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

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

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

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

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

/* Navigation */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-light);
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

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

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

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

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

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary-color);
  background-color: rgba(255, 107, 53, 0.1);
}

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

.navbar-toggler {
  border: none;
  padding: 0;
  background: none;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  width: 24px;
  height: 18px;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--secondary-color);
  margin: 2px 0;
  transition: var(--transition);
  transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  color: var(--white);
  padding: 8rem 0 6rem;
  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 1000 1000"><polygon fill="%23FF6B35" fill-opacity="0.1" points="0,1000 1000,800 1000,1000"/></svg>');
  background-size: cover;
  background-position: bottom;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  color: var(--light-gray);
  animation: fadeInUp 1s ease-out 0.2s both;
}

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

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

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

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 1rem auto;
  border-radius: 2px;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
  height: 100%;
}

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

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

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

.card-body {
  padding: 2rem;
}

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

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

/* Services Grid */
.service-item {
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-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);
}

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

/* Portfolio Filter */
.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background-color: transparent;
  border: 2px solid var(--light-gray);
  color: var(--dark-gray);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

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

/* Portfolio Items */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  cursor: pointer;
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.9), rgba(44, 62, 80, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

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

.portfolio-content {
  text-align: center;
  color: var(--white);
  padding: 2rem;
}

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

.portfolio-content p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

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

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
  background-color: var(--white);
}

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

.form-error {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-error.show {
  display: block;
}

.form-success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  display: none;
}

.form-success.show {
  display: block;
}

/* Stats Section */
.stats {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: var(--white);
  padding: 4rem 0;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.stat-label {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Testimonials */
.testimonial {
  background-color: var(--light-gray);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-color);
  font-family: serif;
}

.testimonial-content {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--dark-gray);
}

.testimonial-author {
  font-weight: 600;
  color: var(--secondary-color);
}

.testimonial-role {
  color: var(--dark-gray);
  font-size: 0.875rem;
}

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

.footer h5 {
  color: var(--white);
  margin-bottom: 1.5rem;
  position: relative;
}

.footer h5::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer p {
  color: var(--light-gray);
  margin-bottom: 1rem;
}

.footer a {
  color: var(--light-gray);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--secondary-light);
  margin-top: 2rem;
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: var(--light-gray);
}

/* Social Links */
.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

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

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

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

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

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

.animate-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-left.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-right.animated {
  opacity: 1;
  transform: translateX(0);
}

/* Loading Spinner */
.loading-spinner {
  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); }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

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

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  color: var(--white);
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-nav {
    padding-top: 1rem;
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 0;
    margin: 0.25rem 0;
  }
  
  .hero {
    padding: 6rem 0 4rem;
    text-align: center;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .portfolio-filter {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 1rem;
  }
  
  .portfolio-filter::-webkit-scrollbar {
    height: 4px;
  }
  
  .portfolio-filter::-webkit-scrollbar-track {
    background: var(--light-gray);
  }
  
  .portfolio-filter::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
  }
}

@media (max-width: 767.98px) {
  .hero {
    padding: 4rem 0 3rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
  
  .section {
    padding: 2rem 0;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .service-item {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .stats {
    padding: 3rem 0;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .portfolio-item img {
    height: 250px;
  }
  
  .portfolio-content {
    padding: 1.5rem;
  }
  
  .testimonial {
    padding: 1.5rem;
  }
  
  .footer {
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
}

@media (max-width: 575.98px) {
  .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 13px;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .portfolio-filter {
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

/* Print Styles */
@media print {
  .navbar,
  .back-to-top,
  .btn,
  .footer {
    display: none;
  }
  
  body {
    color: black;
    background: white;
  }
  
  .hero {
    background: none;
    color: black;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 5px 25px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 10px 40px rgba(0, 0, 0, 0.5);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  .card {
    border: 2px solid var(--dark-gray);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
  }
}