:root {
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --secondary-color: #06b6d4;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --dark-color: #1f2937;
  --light-color: #f8fafc;
  --text-color: #374151;
  --text-light: #6b7280;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: hidden;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation */
.navbar {
  background: rgba(31, 41, 55, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(31, 41, 55, 0.98);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: white !important;
}

.brand-text {
  color: var(--primary-color);
}

.brand-suffix {
  color: var(--secondary-color);
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
  transform: translateY(-1px);
}

.nav-cta {
  background: var(--gradient-primary);
  color: white !important;
  border-radius: 25px;
  padding: 0.5rem 1.5rem !important;
  margin-left: 1rem;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* hero section */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

.hero-content {
  color: white;
  z-index: 2;
  position: relative;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  max-width: 500px;
}

/* .hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
} */

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  height: 500px;
}

.floating-cards {
  position: relative;
  width: 100%;
  height: 100%;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  padding: 1.5rem;
  color: white;
  text-align: center;
  animation: floatCard 6s ease-in-out infinite;
}

.card-1 {
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.card-2 {
  top: 20%;
  right: 10%;
  animation-delay: 1.5s;
}

.card-3 {
  bottom: 30%;
  left: 5%;
  animation-delay: 3s;
}

.card-4 {
  bottom: 10%;
  right: 15%;
  animation-delay: 4.5s;
}

.floating-card i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.btn {
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}

.btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  background: transparent;
}

.btn {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-down {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  text-decoration: none;
}

/* Sevices section */
.services-section {
  background: var(--light-color);
  padding: 5rem 0;
}

.service-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  height: 100%;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon i {
  font-size: 1.5rem;
  color: white;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.service-description {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.service-features li {
  padding: 0.5rem;
  color: var(--text-color);
  position: relative;
  padding-left: 1.5rem;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* About Section */
.about-section {
  padding: 5rem;
  background: white;
}

.about-text {
  font-size: 1.125rem;
  color: var(--text-color);
  margin-bottom: 1.5rem;
}

.about-features {
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  align-items: center;
  margin-block: 1rem;
}

.feature-item i {
  color: var(--success-color);
  margin-right: 0.75rem;
  font-size: 1.125rem;
}

.achievement-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 400px;
}

.achievement-card {
  background: var(--light-color);
  padding: 1.5rem;
  border-radius: 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.achievement-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-secondary);
  border-radius: 50%;
  margin: 0 auto 1rem;
}

.achievement-icon i {
  font-size: 1.25rem;
  color: white;
}

.achievement-card h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--dark-color);
}

.achievement-card p {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
  padding: 4rem 0;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Contact-section */
.contact-section {
  background: var(--light-color);
  padding: 5rem 0;
}

.contact-form-container {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  font-weight: 500;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.form-control {
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.contact-info {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-md);
  height: fit-content;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  flex-shrink: 0;
}

.contact-icon i {
  color: white;
  font-size: 1.125rem;
}

.contact-details h5 {
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.contact-details p,
.contact-details a {
  color: var(--text-light);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer {
  background: var(--dark-color);
  color: white;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  justify-content: end;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
}

.copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  margin-bottom: 0;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

@keyframes floatCard {

  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }

  33% {
    transform: translateY(-10px) rotate(1deg);
  }

  66% {
    transform: translateY(-5px) rotate(-1deg);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-card,
.portfolio-card,
.achievement-card {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.loaded {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
    padding-top: 30px;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .floating-card {
    position: relative;
    display: inline-block;
    margin: 1rem;
  }

  .hero-visual {
    height: auto;
    margin-top: 3rem;
  }

  .floating-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .testimonial-author {
    flex-direction: column;
    text-align: center;
  }

  .contact-form-container,
  .contact-info {
    margin-bottom: 2rem;
  }

  .footer-links {
    justify-content: center;
  }

  .card-1 {
    left: 0%;
  }

  .card-2 {
    right: 0%;
  }

  .card-3 {
    left: 0%;
  }

  .card-4 {
    right: 0%;
  }
}

@media (max-width: 680px) {
  .hero-section {
    padding-top: 92px;
  }

  .card-1 {
    left: 10%;
  }

  .card-2 {
    right: 10%;
  }

  .card-3 {
    left: 5%;
  }

  .card-4 {
    right: 15%;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
  }

  .service-card,
  .contact-form-container,
  .contact-info {
    padding: 1.5rem;
  }

  .cta-content h2 {
    font-size: 2rem;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}