/* ========================================
   Architecture Studio - Slate & Crimson Theme
   Modern Responsive CSS with Bootstrap 5
   ======================================== */

/* === ROOT VARIABLES === */
:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --primary-dark: #1a252f;
  --primary-light: #34495e;
  --secondary-dark: #c0392b;
  --secondary-light: #ec7063;
  --text-dark: #2C3E50;
  --text-light: #7f8c8d;
  --text-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 8px rgba(44, 62, 80, 0.08);
  --shadow-md: 0 4px 16px rgba(44, 62, 80, 0.12);
  --shadow-lg: 0 8px 32px rgba(44, 62, 80, 0.16);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
}

/* === BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  line-height: 1.7;
  background-color: var(--bg-white);
  overflow-x: hidden;
}

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

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: clamp(1.1rem, 2vw, 1.25rem); }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
}

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

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

/* === BOOTSTRAP 5 OVERRIDES === */
.container {
  max-width: 1200px;
}

.btn {
  font-weight: 500;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  transition: var(--transition-base);
  border: none;
  font-size: 1rem;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

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

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

.btn-primary:active {
  transform: translateY(0);
}

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

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

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

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

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

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

.btn-link {
  color: var(--secondary-color);
  text-decoration: none;
  border: none;
  background: none;
  padding: 0;
}

.btn-link:hover,
.btn-link:focus {
  color: var(--secondary-dark);
  text-decoration: underline;
}

/* === NAVIGATION === */
.navbar {
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  transition: var(--transition-base);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

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

.navbar-nav .nav-link {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  position: relative;
  transition: var(--transition-fast);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.25rem;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: var(--transition-base);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
  color: var(--secondary-color);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after {
  width: calc(100% - 2.5rem);
}

.navbar-nav .nav-link.active {
  color: var(--secondary-color);
}

.navbar-nav .nav-link.active::after {
  width: calc(100% - 2.5rem);
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  background-color: transparent;
}

.navbar-toggler:focus {
  box-shadow: none;
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

.navbar-toggler-icon {
  background-image: none;
  width: 28px;
  height: 2px;
  background-color: var(--primary-color);
  display: block;
  position: relative;
  transition: var(--transition-base);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  width: 28px;
  height: 2px;
  background-color: var(--primary-color);
  position: absolute;
  left: 0;
  transition: var(--transition-base);
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  bottom: -8px;
}

.navbar-toggler.collapsed .navbar-toggler-icon {
  background-color: var(--primary-color);
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon {
  background-color: transparent;
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler:not(.collapsed) .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* === HERO SECTION === */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: 8rem 0 6rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%232C3E50" width="1200" height="600"/><g fill-opacity="0.05"><rect fill="%23fff" x="100" y="100" width="200" height="300"/><rect fill="%23fff" x="400" y="150" width="150" height="250"/><rect fill="%23fff" x="700" y="80" width="180" height="320"/><rect fill="%23fff" x="950" y="120" width="160" height="280"/></g></svg>');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section h1 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-section .btn {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* === SECTION STYLES === */
section {
  padding: 5rem 0;
}

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

.section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 1rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--secondary-color);
}

.section-title p {
  max-width: 700px;
  margin: 1.5rem auto 0;
  font-size: 1.1rem;
}

.bg-light-section {
  background-color: var(--bg-light);
}

/* === CARD STYLES === */
.card {
  border: none;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  height: 100%;
  background-color: var(--bg-white);
}

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

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

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

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--primary-color);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.card-text {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.card-link {
  color: var(--secondary-color);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: var(--transition-fast);
}

.card-link:hover,
.card-link:focus {
  color: var(--secondary-dark);
  transform: translateX(5px);
}

.card-link::after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition-fast);
}

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

.project-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  aspect-ratio: 4/3;
}

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

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

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(44, 62, 80, 0.95) 0%, rgba(44, 62, 80, 0.6) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition-base);
}

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

.project-overlay h3 {
  color: var(--text-white);
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: var(--transition-base);
}

.project-item:hover .project-overlay h3 {
  transform: translateY(0);
}

.project-overlay p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
  transform: translateY(20px);
  transition: var(--transition-base) 0.1s;
}

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

.project-overlay .btn {
  transform: translateY(20px);
  transition: var(--transition-base) 0.2s;
  align-self: flex-start;
}

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

/* === SERVICES === */
.service-box {
  padding: 2.5rem 2rem;
  border-radius: 8px;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  text-align: center;
  height: 100%;
  border: 2px solid transparent;
}

.service-box:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
  border-color: var(--secondary-color);
}

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

.service-box:hover .service-icon {
  transform: rotateY(360deg);
}

.service-box h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.service-box p {
  color: var(--text-light);
  line-height: 1.8;
}

/* === TESTIMONIALS === */
.testimonial-card {
  background-color: var(--bg-white);
  padding: 2.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  border-left: 4px solid var(--secondary-color);
  height: 100%;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(8px);
}

.testimonial-text {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--secondary-color);
}

.testimonial-info h4 {
  color: var(--primary-color);
  margin-bottom: 0.25rem;
  font-size: 1.1rem;
}

.testimonial-info p {
  color: var(--text-light);
  margin: 0;
  font-size: 0.9rem;
}

.testimonial-rating {
  color: var(--secondary-color);
  margin-top: 0.5rem;
}

/* === FORMS === */
.form-control {
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: var(--transition-fast);
  color: var(--text-dark);
  background-color: var(--bg-white);
}

.form-control:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.15);
  outline: none;
  background-color: var(--bg-white);
  color: var(--text-dark);
}

.form-control::placeholder {
  color: var(--text-light);
  opacity: 0.7;
}

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

.form-select {
  border: 2px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  transition: var(--transition-fast);
  color: var(--text-dark);
}

.form-select:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.15);
  outline: none;
}

.form-check-input {
  border: 2px solid var(--border-color);
  transition: var(--transition-fast);
}

.form-check-input:checked {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.form-check-input:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.15);
}

.form-check-label {
  color: var(--text-dark);
  cursor: pointer;
}

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

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

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

/* === CONTACT SECTION === */
.contact-info {
  background-color: var(--primary-color);
  color: var(--text-white);
  padding: 2.5rem;
  border-radius: 8px;
  height: 100%;
}

.contact-info h3 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-details h4 {
  color: var(--text-white);
  font-size: 1rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.contact-details p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.contact-details a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-details a:hover,
.contact-details a:focus {
  color: var(--text-white);
  text-decoration: underline;
}

/* === FOOTER === */
.footer {
  background-color: var(--primary-color);
  color: var(--text-white);
  padding: 3rem 0 1.5rem;
}

.footer h5 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer p,
.footer li {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--text-white);
  transform: translateX(5px);
}

.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(--text-white);
  transition: var(--transition-base);
  font-size: 1.1rem;
}

.social-link:hover,
.social-link:focus {
  background-color: var(--secondary-color);
  color: var(--text-white);
  transform: translateY(-4px);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 0.9rem;
}

/* === STATS SECTION === */
.stats-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--text-white);
  padding: 4rem 0;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  font-weight: 500;
}

/* === CTA SECTION === */
.cta-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
  color: var(--text-white);
  padding: 5rem 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--text-white);
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-outline-primary {
  border-color: var(--text-white);
  color: var(--text-white);
}

.cta-section .btn-outline-primary:hover,
.cta-section .btn-outline-primary:focus {
  background-color: var(--text-white);
  border-color: var(--text-white);
  color: var(--secondary-color);
}

/* === 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 {
  animation: fadeIn 0.8s ease-out;
}

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

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

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

/* === UTILITIES === */
.text-primary-custom {
  color: var(--primary-color);
}

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

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

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

.section-spacing {
  padding: 5rem 0;
}

.mb-section {
  margin-bottom: 5rem;
}

/* === LOADING SPINNER === */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(44, 62, 80, 0.1);
  border-top-color: var(--secondary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

@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(--secondary-color);
  color: var(--text-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

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

.back-to-top:hover,
.back-to-top:focus {
  background-color: var(--secondary-dark);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* === BREADCRUMB === */
.breadcrumb {
  background-color: transparent;
  padding: 1rem 0;
  margin-bottom: 0;
}

.breadcrumb-item {
  color: var(--text-light);
}

.breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb-item a:hover,
.breadcrumb-item a:focus {
  color: var(--secondary-color);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--text-dark);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--text-light);
}

/* === BADGE === */
.badge {
  padding: 0.5em 1em;
  font-weight: 500;
  border-radius: 4px;
}

.badge-primary {
  background-color: var(--primary-color);
  color: var(--text-white);
}

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

/* === ALERT === */
.alert {
  border-radius: 4px;
  border: none;
  padding: 1rem 1.5rem;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border-left: 4px solid #28a745;
}

.alert-danger {
  background-color: #f8d7da;
  color: #721c24;
  border-left: 4px solid var(--secondary-color);
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border-left: 4px solid #ffc107;
}

.alert-info {
  background-color: #d1ecf1;
  color: #0c5460;
  border-left: 4px solid #17a2b8;
}

/* === MODAL OVERRIDES === */
.modal-content {
  border-radius: 8px;
  border: none;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  background-color: var(--primary-color);
  color: var(--text-white);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 1.5rem;
}

.modal-header .btn-close {
  filter: brightness(0) invert(1);
}

.modal-title {
  color: var(--text-white);
  font-weight: 600;
}

.modal-body {
  padding: 2rem 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

/* === ACCORDION === */
.accordion-item {
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  border-radius: 4px;
  overflow: hidden;
}

.accordion-button {
  background-color: var(--bg-white);
  color: var(--primary-color);
  font-weight: 500;
  padding: 1.25rem;
}

.accordion-button:not(.collapsed) {
  background-color: var(--primary-color);
  color: var(--text-white);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(231, 76, 60, 0.15);
  border-color: var(--secondary-color);
}

.accordion-button::after {
  filter: brightness(0) saturate(100%);
}

.accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}

.accordion-body {
  padding: 1.25rem;
  background-color: var(--bg-light);
}

/* === PAGINATION === */
.pagination {
  gap: 0.5rem;
}

.page-link {
  color: var(--primary-color);
  border: 2px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.page-link:hover,
.page-link:focus {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-white);
}

.page-item.active .page-link {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: var(--text-white);
}

.page-item.disabled .page-link {
  color: var(--text-light);
  border-color: var(--border-color);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--bg-white);
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
  }
  
  .navbar-nav .nav-link {
    padding: 0.75rem 1rem;
  }
  
  .navbar-nav .nav-link::after {
    left: 1rem;
  }
  
  .navbar-nav .nav-link:hover::after,
  .navbar-nav .nav-link.active::after {
    width: calc(100% - 2rem);
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 3rem 0;
  }
  
  .hero-section {
    padding: 5rem 0 3rem;
  }
  
  .section-title {
    margin-bottom: 2rem;
  }
  
  .project-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
  
  .contact-info {
    margin-bottom: 2rem;
  }
  
  .btn {
    padding: 0.65rem 1.5rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 575.98px) {
  .hero-section {
    padding: 4rem 0 2.5rem;
  }
  
  .hero-section p {
    font-size: 1.05rem;
  }
  
  section {
    padding: 2.5rem 0;
  }
  
  .card-body,
  .service-box,
  .testimonial-card {
    padding: 1.5rem;
  }
  
  .footer {
    padding: 2rem 0 1rem;
  }
  
  .cta-section {
    padding: 3rem 0;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* === PRINT STYLES === */
@media print {
  .navbar,
  .back-to-top,
  .footer {
    display: none;
  }
  
  body {
    color: #000;
  }
  
  a {
    text-decoration: underline;
  }
}