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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #0ea5e9;
  --dark: #0f172a;
  --dark-light: #1e293b;
  --gray: #64748b;
  --light: #f8fafc;
  --white: #ffffff;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  overflow-x: hidden;
}

/* Header */
header {
  background: var(--white);
  padding: 1rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo-short {
  display: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.3s;
}

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

.cta-button {
  background: var(--primary);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s, transform 0.2s;
}

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

/* Hero Section */
.hero {
  margin-top: 80px;
  background: linear-gradient(
    135deg,
    var(--dark) 0%,
    var(--dark-light) 100%
  );
  color: var(--white);
  padding: 6rem 2rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--dark);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  padding: 1rem 2.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s;
  display: inline-block;
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--dark);
  margin-bottom: 1rem;
}

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

/* Services Section */
.services {
  padding: 5rem 2rem;
  background: var(--light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--secondary)
  );
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

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

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

.service-features {
  list-style: none;
  margin-top: 1rem;
}

.service-features li {
  padding: 0.5rem 0;
  color: var(--gray);
  position: relative;
  padding-left: 1.5rem;
}

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

/* About Section */
.about {
  padding: 5rem 2rem;
  background: var(--white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.about-text p {
  color: var(--gray);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.tech-badge {
  background: var(--light);
  color: var(--dark);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

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

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--light);
  border-radius: 12px;
}

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

.stat-label {
  color: var(--gray);
  font-size: 1rem;
}

/* Process Section */
.process {
  padding: 5rem 2rem;
  background: var(--light);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.process-step h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.process-step p {
  color: var(--gray);
}

/* CTA Section */
.cta-section {
  padding: 5rem 2rem;
  background: linear-gradient(
    135deg,
    var(--primary),
    var(--secondary)
  );
  color: var(--white);
  text-align: center;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 2rem 1rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--accent);
}

.footer-section p,
.footer-section a {
  color: var(--gray);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
}

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

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

footer p {
  opacity: 0.8;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

/* Contact Form */
.contact-form-container {
  max-width: 700px;
  margin: 3rem auto 0;
  background: rgba(255, 255, 255, 0.1);
  padding: 3rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--white);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.95);
  color: var(--dark);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--white);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  background: var(--white);
  color: var(--primary);
  padding: 1rem 2rem;
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 0.5rem;
}

.btn-submit:hover {
  background: var(--light);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  padding: 1rem;
  border-radius: 6px;
  text-align: center;
  font-weight: 600;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(34, 197, 94, 0.2);
  border: 2px solid rgba(34, 197, 94, 0.5);
  color: #22c55e;
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.2);
  border: 2px solid rgba(239, 68, 68, 0.5);
  color: #ef4444;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Responsive */
@media (max-width: 968px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  nav {
    padding: 0 1rem;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .logo {
    font-size: 1.25rem;
  }

  .logo-full {
    display: none;
  }

  .logo-short {
    display: inline;
  }

  .cta-button {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

  .hero {
    padding: 4rem 1.5rem;
  }

  .hero h1 {
    font-size: 2rem;
    line-height: 1.2;
  }

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

  .services,
  .about,
  .process,
  .cta-section {
    padding: 3rem 1.5rem;
  }

  .service-card {
    padding: 1.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .section-header p {
    font-size: 1rem;
  }

  .process-steps {
    gap: 1.5rem;
  }

  .contact-form-container {
    padding: 2rem 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .cta-section p {
    font-size: 1rem;
  }

  footer {
    padding: 2rem 1rem 1rem;
  }

  .footer-content {
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .cta-button {
    display: none;
  }

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

  .hero h1 {
    font-size: 1.75rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .service-card h3 {
    font-size: 1.25rem;
  }

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