:root {
  --primary-color: #ff9a00;
  --primary-dark: #e6890a;
  --primary-light: #ffb347;
  --secondary-color: #667eea;
  --accent-color: #764ba2;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.loading-container {
  text-align: center;
  color: var(--white);
}

.loading-logo {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: pulse 2s infinite;
}

.loading-text {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.loading-bar {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.loading-progress {
  height: 100%;
  background: var(--white);
  border-radius: 2px;
  width: 0%;
  animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes loadingProgress {
  0% { width: 0%; }
  100% { width: 100%; }
}

/* Navigation Styles */
.navbar-modern {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  transition: all 0.3s ease;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
}

.navbar-modern.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
  padding: 0.5rem 0;
}

.navbar-brand-modern {
  color: var(--gray-800) !important;
  font-weight: 800;
  font-size: 1.5rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.navbar-brand-modern:hover {
  color: var(--primary-color) !important;
  transform: scale(1.05);
}

.brand-icon {
  background: var(--gradient-primary);
  color: var(--white);
  width: 45px;
  height: 45px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  font-size: 1.3rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.navbar-brand-modern:hover .brand-icon {
  transform: rotate(10deg) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.navbar-toggler-modern {
  border: 2px solid var(--gray-300);
  border-radius: 8px;
  padding: 0.5rem;
  background: transparent;
  display: none;
  transition: all 0.3s ease;
}

.navbar-toggler-modern:hover {
  border-color: var(--primary-color);
}

.toggler-icon {
  width: 24px;
  height: 2px;
  background-color: var(--gray-700);
  display: block;
  transition: all 0.3s ease;
  position: relative;
}

.toggler-icon::before,
.toggler-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--gray-700);
  transition: all 0.3s ease;
}

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

.toggler-icon::after {
  top: 8px;
}

.navbar-toggler-modern[aria-expanded="true"] .toggler-icon {
  background-color: transparent;
}

.navbar-toggler-modern[aria-expanded="true"] .toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler-modern[aria-expanded="true"] .toggler-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

.navbar-nav-modern {
  align-items: center;
  gap: 0.5rem;
}

.nav-link-modern {
  color: var(--gray-700) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.75rem 1.25rem !important;
  border-radius: 8px;
  position: relative;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-link-modern:hover {
  color: var(--primary-color) !important;
  background: rgba(255, 154, 0, 0.1);
  border-color: rgba(255, 154, 0, 0.2);
  transform: translateY(-2px);
}

.nav-link-modern.active {
  color: var(--primary-color) !important;
  background: rgba(255, 154, 0, 0.15);
  border-color: rgba(255, 154, 0, 0.3);
  font-weight: 600;
}

.btn-login {
  background: var(--gradient-primary);
  color: var(--white) !important;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-login:hover {
  background: var(--gradient-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--white);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.shape-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
  animation: fadeInUp 1s ease-out forwards;
  opacity: 0;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

.highlight {
  background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease-out 0.8s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease-out 1s forwards;
  opacity: 0;
}

.btn-primary-gradient {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 0.875rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  border: none;
}

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

.btn-outline-light {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  padding: 0.875rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--gray-800);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  animation: fadeInUp 1s ease-out 1.2s forwards;
  opacity: 0;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
  margin-top: 0.5rem;
}

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

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInLeft 1s ease-out 0.5s forwards;
  opacity: 0;
}

.card-header {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 1.5rem;
}

.card-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca3f; }

.code-lines {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.8;
}

.code-line {
  margin-bottom: 0.5rem;
  animation: typewriter 0.5s ease-out forwards;
  opacity: 0;
}

.code-line:nth-child(1) { animation-delay: 1s; }
.code-line:nth-child(2) { animation-delay: 1.2s; }
.code-line:nth-child(3) { animation-delay: 1.4s; }
.code-line:nth-child(4) { animation-delay: 1.6s; }

.indent { padding-left: 2rem; }

.code-keyword { color: #ff79c6; }
.code-variable { color: #50fa7b; }
.code-operator { color: #ff79c6; }
.code-string { color: #f1fa8c; }
.code-function { color: #8be9fd; }
.code-bracket { color: #f8f8f2; }

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: bounce 2s infinite;
  cursor: pointer;
}

@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 typewriter {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Section Styles */
.section-header {
  margin-bottom: 4rem;
}

.section-badge {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 1rem;
}

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

/* About Section */
.about-section {
  padding: 5rem 0;
  background: var(--gray-100);
}

.about-content {
  padding-right: 2rem;
}

.about-description {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
}

.about-features {
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 500;
}

.feature-item i {
  color: var(--primary-color);
  margin-right: 1rem;
  font-size: 1.2rem;
}

.about-visual {
  position: relative;
}

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

.about-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--white);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--primary-color);
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: -50px;
  position: relative;
  z-index: 2;
}

.about-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s ease;
}

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

.about-card .card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--white);
  font-size: 1.5rem;
}

.about-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--gray-800);
}

.about-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 0;
}

/* Services Section */
.services-section {
  padding: 5rem 0;
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--white);
  font-size: 2rem;
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
}

.service-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 1rem;
}

.service-content p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  padding: 0;
}

.service-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-600);
  font-weight: 500;
}

.service-features li:last-child {
  border-bottom: none;
}

.service-features li::before {
  content: '✓';
  color: var(--primary-color);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Portfolio Section */
.portfolio-section {
  padding: 5rem 0;
  background: var(--gray-100);
}

.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--white);
  color: var(--gray-700);
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--gray-300);
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.portfolio-item {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.portfolio-image {
  position: relative;
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
}

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

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

.portfolio-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-content p {
  margin-bottom: 1rem;
  opacity: 0.9;
}

.portfolio-tech {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.portfolio-tech span {
  background: var(--primary-color);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Contact Section */
.contact-section {
  padding: 5rem 0;
  background: var(--white);
}

.contact-form-container {
  background: var(--gray-100);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--gray-300);
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--white);
  color: var(--gray-700);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 154, 0, 0.1);
}

.form-control::placeholder {
  color: var(--gray-500);
  opacity: 1;
  font-weight: 400;
}

.form-control:focus::placeholder {
  opacity: 0.7;
}

.form-group label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--gray-500);
  font-weight: 500;
  transition: all 0.3s ease;
  pointer-events: none;
  background: var(--white);
  padding: 0 0.25rem;
}

.form-group.focused label,
.form-control:focus + label,
.form-control:not(:placeholder-shown) + label {
  top: -0.5rem;
  left: 0.5rem;
  background: var(--white);
  padding: 0 0.5rem;
  font-size: 0.85rem;
  color: var(--primary-color);
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.contact-info {
  padding-left: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: var(--white);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-content h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.5rem;
}

.contact-content p {
  color: var(--gray-600);
  margin-bottom: 0;
}

/* Footer */
.footer {
  background: var(--gray-800);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.footer-logo-icon {
  background: var(--primary-color);
  color: var(--white);
  width: 45px;
  height: 45px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  font-size: 1.3rem;
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
}

.footer-about p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

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

.social-link {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--gray-700);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  text-decoration: none;
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
  color: var(--white);
}

.footer-title {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--primary-color);
}

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

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

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

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

.footer-contact-info li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.footer-contact-info i {
  color: var(--primary-color);
  margin-top: 0.25rem;
}

.footer-contact-info span {
  color: var(--gray-400);
}

.footer-newsletter {
  margin-top: 2rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--gray-700);
  color: var(--white);
}

.newsletter-input::placeholder {
  color: var(--gray-500);
}

.newsletter-btn {
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 8px;
  padding: 0 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.newsletter-btn:hover {
  background: var(--primary-dark);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 2rem;
  margin-top: 3rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--gray-500);
  margin-bottom: 0;
}

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

.footer-bottom a:hover {
  text-decoration: underline;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

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

.back-to-top:hover {
  background: var(--gradient-secondary);
  transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 991.98px) {
  .navbar-toggler-modern {
    display: flex;
  }

  .navbar-nav-modern {
    background: var(--white);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
    box-shadow: var(--shadow);
  }

  .nav-link-modern {
    margin-bottom: 0.25rem;
  }

  .btn-login {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn-primary-gradient,
  .hero-buttons .btn-outline-light {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .about-content {
    padding-right: 0;
    margin-bottom: 2rem;
  }

  .about-cards {
    grid-template-columns: 1fr;
    margin-top: 2rem;
  }

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

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

  .contact-info {
    padding-left: 0;
    margin-top: 2rem;
  }

  .contact-map-container {
    margin-bottom: 2rem;
  }
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 767.98px) {
  .navbar-toggler-modern {
    display: flex;
  }

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

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

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

  .portfolio-filters {
    flex-direction: column;
    align-items: center;
  }

  .footer {
    text-align: center;
  }

  .footer-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .social-links {
    justify-content: center;
  }

  .footer-links a {
    justify-content: center;
  }

  .footer-contact-info li {
    justify-content: center;
    flex-direction: column;
    text-align: center;
  }

  .newsletter-form {
    flex-direction: column;
  }
}

@media (max-width: 575.98px) {
  .brand-text {
    font-size: 1.2rem;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .service-card,
  .portfolio-item {
    margin-bottom: 1rem;
  }

  .contact-form-container {
    padding: 1.5rem;
  }

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

  .navbar-toggler-modern {
  border: 2px solid var(--gray-300);
  border-radius: 4px;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  padding-right: 1rem;
  background: transparent;
  display: block;
  transition: all 0.3s ease;
}


}