body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  background: #f6f8fa;
  color: #222;
}
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}
header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: #2563eb;
  text-transform: lowercase;
}
nav .nav-list {
  list-style: none;
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
}
nav .nav-list li a {
  text-decoration: none;
  color: #222;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 1px;
  transition: color 0.2s;
  position: relative;
}
nav .nav-list li a::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: #2563eb;
  transition: width 0.2s;
  position: absolute;
  left: 0;
  bottom: -4px;
}
nav .nav-list li a:hover {
  color: #2563eb;
}
nav .nav-list li a:hover::after {
  width: 100%;
}
.banner {
  background: linear-gradient(120deg, #2563eb 0%, #60a5fa 100%);
  color: #fff;
  padding: 100px 0 80px 0;
  text-align: center;
  position: relative;
}
.banner-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: 1px;
}
.banner-content p {
  font-size: 1.3rem;
  margin-bottom: 2.2rem;
  font-weight: 400;
}
.cta-btn {
  display: inline-block;
  background: #fff;
  color: #2563eb;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.9rem 2.2rem;
  border-radius: 32px;
  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.cta-btn:hover {
  background: #2563eb;
  color: #fff;
}
.about, .services, .testimonials, .contact {
  background: #fff;
  margin-top: 40px;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  padding: 56px 0;
}
.about h2, .services h2, .testimonials h2, .contact h2 {
  text-align: center;
  color: #2563eb;
  margin-bottom: 2.5rem;
  font-size: 2.1rem;
  font-weight: 700;
}
.service-list {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.service-item {
  background: #f6f8fa;
  border-radius: 12px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.03);
  padding: 32px 24px;
  width: 320px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-item:hover {
  box-shadow: 0 4px 16px rgba(37,99,235,0.10);
  transform: translateY(-4px) scale(1.03);
}
.service-item img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 1.2rem;
}
.service-item h3 {
  color: #2563eb;
  margin: 0.7rem 0 0.7rem 0;
  font-size: 1.2rem;
  font-weight: 600;
}
.testimonial-list {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.testimonial-item {
  background: #f6f8fa;
  border-radius: 10px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.03);
  padding: 28px 32px;
  width: 320px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-style: italic;
}
.testimonial-item p {
  margin-bottom: 1.1rem;
}
.testimonial-author {
  color: #2563eb;
  font-weight: bold;
  font-style: normal;
  text-align: right;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  max-width: 420px;
  margin: 0 auto 2.5rem auto;
}
.contact-form input, .contact-form textarea {
  padding: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  background: #f6f8fa;
}
.contact-form button {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 1rem;
  border-radius: 32px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.contact-form button:hover {
  background: #1e40af;
}
.contact-info {
  text-align: center;
  color: #555;
  font-size: 1.05rem;
}
.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.footer-social img {
  width: 28px;
  height: 28px;
  filter: grayscale(1) brightness(0.7);
  transition: filter 0.2s;
}
.footer-social img:hover {
  filter: none;
}
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 1.5rem 0 1rem 0;
  margin-top: 40px;
  font-size: 1rem;
  border-radius: 0 0 16px 16px;
}
@media (max-width: 1000px) {
  .service-list, .testimonial-list {
    flex-direction: column;
    align-items: center;
  }
  .service-item, .testimonial-item {
    width: 95%;
  }
}
@media (max-width: 600px) {
  .banner-content h1 {
    font-size: 2rem;
  }
  .container {
    width: 98%;
  }
  .about, .services, .testimonials, .contact {
    padding: 28px 0;
  }
  .service-item, .testimonial-item {
    padding: 18px 8px;
  }
}
.client-wall {
  background: #fff;
  margin-top: 40px;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  padding: 48px 0 32px 0;
  text-align: center;
}
.client-wall h2 {
  color: #222;
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.client-wall-underline {
  width: 60px;
  height: 4px;
  background: #2563eb;
  margin: 0 auto 2.5rem auto;
  border-radius: 2px;
}
.client-logos {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}
.client-row {
  display: flex;
  gap: 3rem;
  justify-content: center;
  align-items: center;
}
.client-row img {
  height: 48px;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(0.2) brightness(0.98);
  transition: filter 0.2s, transform 0.2s;
  background: transparent;
}
.client-row img:hover {
  filter: none;
  transform: scale(1.07);
}
@media (max-width: 900px) {
  .client-row {
    gap: 1.5rem;
  }
  .client-row img {
    height: 36px;
    max-width: 90px;
  }
}
@media (max-width: 600px) {
  .client-wall {
    padding: 24px 0 16px 0;
  }
  .client-row {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .client-row img {
    height: 28px;
    max-width: 60px;
  }
}