/* ===============================
   STRONGTRAX MODERN CSS
   Mobile-First Responsive Design
=============================== */

:root {
  --primary: #dc2626;
  --primary-dark: #991b1b;
  --dark: #0a0a0a;
  --light: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* ===============================
   LOADING SCREEN
=============================== */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--dark);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.loader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: 30px;
  animation: pulse 1.5s infinite;
}

.loader-line {
  width: 100px;
  height: 3px;
  background: var(--primary);
  margin: 0 auto;
  animation: loadingBar 1.5s infinite;
}

.loader-text {
  color: var(--light);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 4px;
  animation: pulse 1.5s infinite;
}

@keyframes loadingBar {
  0%, 100% { width: 100px; }
  50% { width: 200px; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ===============================
   NAVIGATION
=============================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 1);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 40px;
}

.nav-menu a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-menu a.nav-cta {
  background: var(--primary);
  color: var(--light);
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
}

.nav-menu a.nav-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.nav-menu a.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===============================
   HERO SECTION
=============================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 20px;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  color: var(--light);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-line {
  display: block;
  animation: slideInLeft 0.8s ease;
}

.hero-line:nth-child(2) {
  color: var(--primary);
  animation: slideInRight 0.8s ease 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,0.9);
  margin-bottom: 40px;
  animation: fadeIn 1s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeIn 1s ease 0.6s both;
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--light);
  animation: bounce 2s infinite;
  z-index: 3;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--light);
  border-bottom: 2px solid var(--light);
  transform: rotate(45deg);
  margin: 10px auto;
}

/* ===============================
   BUTTONS
=============================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}

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

.btn-outline:hover {
  background: var(--light);
  color: var(--dark);
}

.btn-dark {
  background: var(--dark);
  color: var(--light);
}

.btn-dark:hover {
  background: var(--gray-800);
  transform: translateY(-3px);
}

.btn-white {
  background: var(--light);
  color: var(--dark);
}

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

/* ===============================
   SECTIONS & CONTAINERS
=============================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

.section-label {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--dark);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* ===============================
   CAPABILITIES SECTION
=============================== */
.capabilities {
  background: var(--gray-100);
}

.capabilities-header {
  text-align: center;
  margin-bottom: 60px;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.capability-card {
  background: var(--light);
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  transform: scaleX(0);
  transition: var(--transition);
}

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

.capability-card:hover::before {
  transform: scaleX(1);
}

.capability-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
}

.capability-icon svg {
  width: 40px;
  height: 40px;
}

.capability-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.capability-card p {
  color: var(--gray-600);
  line-height: 1.8;
}

/* ===============================
   STATS SECTION
=============================== */
.stats {
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
  padding: 60px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  display: inline-block;
}

.stat-suffix {
  font-size: 3rem;
  font-weight: 800;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 10px;
  opacity: 0.8;
}

/* ===============================
   FEATURED PROJECTS
=============================== */
.featured-projects {
  background: var(--light);
}

.projects-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: var(--dark);
}

.project-card.large {
  grid-column: span 2;
}

.project-image {
  position: relative;
  height: 400px;
  overflow: hidden;
}

.project-card.large .project-image {
  height: 500px;
}

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

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

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  color: var(--light);
  transform: translateY(20px);
  opacity: 0;
  transition: var(--transition);
}

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

.project-category {
  display: inline-block;
  padding: 5px 15px;
  background: var(--primary);
  border-radius: 50px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.project-overlay h3 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.project-overlay p {
  margin-bottom: 15px;
  opacity: 0.9;
}

.project-link {
  color: var(--light);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

.project-link:hover {
  transform: translateX(5px);
}

.projects-cta {
  text-align: center;
}

/* ===============================
   WHY CHOOSE SECTION
=============================== */
.why-choose {
  background: var(--gray-100);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
  color: var(--dark);
}

.lead {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-bottom: 40px;
  line-height: 1.8;
}

.why-features {
  margin-bottom: 40px;
}

.why-feature {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.feature-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  font-size: 1.5rem;
  font-weight: bold;
}

.feature-text h4 {
  margin-bottom: 5px;
  color: var(--dark);
  font-size: 1.2rem;
}

.feature-text p {
  color: var(--gray-600);
  line-height: 1.6;
}

.why-image {
  position: relative;
}

.why-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
}

.image-badge {
  position: absolute;
  top: 30px;
  right: 30px;
  background: var(--primary);
  color: var(--light);
  padding: 20px;
  border-radius: 20px;
  text-align: center;
}

.badge-number {
  font-size: 3rem;
  font-weight: 800;
  display: block;
}

.badge-text {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===============================
   CTA SECTION
=============================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--light);
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===============================
   SERVICES PAGE
=============================== */
.services-hero {
  padding-top: 120px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--gray-900) 100%);
  color: var(--light);
  text-align: center;
}

.services-hero .section-title,
.services-hero .section-label,
.services-hero .section-subtitle {
  color: var(--light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.service-detail {
  background: var(--light);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.service-detail:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.service-detail-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.service-detail-content {
  padding: 30px;
}

.service-detail h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.service-features {
  list-style: none;
  margin-top: 20px;
}

.service-features li {
  padding: 8px 0;
  padding-left: 25px;
  position: relative;
  color: var(--gray-600);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* ===============================
   GALLERY PAGE
=============================== */
.gallery-page {
  padding-top: 120px;
}

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  background: transparent;
  border: 2px solid var(--gray-300);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  cursor: pointer;
  background: var(--dark);
  height: 300px;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
  opacity: 0.7;
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  color: var(--light);
  transform: translateY(100%);
  transition: var(--transition);
}

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

/* ===============================
   ABOUT PAGE
=============================== */
.about-hero {
  padding-top: 120px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--light) 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-600);
}

.about-text h2 {
  font-size: 2rem;
  color: var(--dark);
  margin-bottom: 20px;
}

.about-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image img {
  width: 100%;
  height: auto;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.value-card {
  text-align: center;
  padding: 30px;
}

.value-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  font-size: 2rem;
}

.value-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.value-card p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===============================
   CONTACT PAGE
=============================== */
.contact-hero {
  position: relative;
  padding-top: 120px;
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.contact-hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.contact-hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.5) 100%);
  z-index: -1;
}

.contact-container {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.98);
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.contact-info {
  padding: 60px;
  background: var(--gray-100);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-info h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--dark);
}

.contact-info p {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-bottom: 40px;
}

.contact-details {
  list-style: none;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--dark);
}

.contact-details a {
  color: var(--dark);
  text-decoration: none;
  transition: var(--transition);
}

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

.contact-form-wrapper {
  padding: 60px;
  background: var(--light);
}

.contact-form h2 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--dark);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-submit {
  background: var(--primary);
  color: var(--light);
  padding: 15px 40px;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}

.form-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(220, 38, 38, 0.3);
}

/* ===============================
   FOOTER
=============================== */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  height: 60px;
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--gray-400);
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 15px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-column h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--light);
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
}

.footer-column ul li a:hover {
  color: var(--primary);
  transform: translateX(5px);
  display: inline-block;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--gray-800);
  text-align: center;
  color: var(--gray-400);
}

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

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

/* ===============================
   ANIMATIONS
=============================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

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

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}

/* ===============================
   RESPONSIVE DESIGN
=============================== */
@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background: var(--light);
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    padding: 20px 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 3rem;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .project-card.large {
    grid-column: span 1;
  }

  .projects-showcase {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-links {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .contact-info,
  .contact-form-wrapper {
    padding: 40px 20px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}