* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Cairo', sans-serif;
  background-color: #f8fafc;
  color: #0a2b3e;
  line-height: 1.6;
  scroll-behavior: smooth;
}
header {
  background: linear-gradient(135deg, #0a2b3e 0%, #0f3b4f 100%);
  box-shadow: 0 6px 14px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.9rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.logo {
  font-size: 1.9rem;
  font-weight: 800;
  color: #f9a826;
}
.logo span {
  color: #fff;
  background: #f9a82620;
  padding: 0 6px;
  border-radius: 12px;
}
.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  transition: all 0.3s;
}
.nav-links li a {
  color: #f1f5f9;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: 0.2s;
  border-bottom: 2px solid transparent;
}
.nav-links li a:hover {
  border-bottom-color: #f9a826;
  color: #f9a826;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: white;
  cursor: pointer;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 2rem;
}
.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 2.5rem;
  color: #0a2b3e;
  position: relative;
}
.section-title:after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: #f9a826;
  margin: 12px auto 0;
  border-radius: 4px;
}
#home {
  background: linear-gradient(rgba(10,43,62,0.85), rgba(15,59,79,0.9)), url('https://images.unsplash.com/photo-1509391366360-2e959784a276?q=80&w=2072&auto=format') center/cover fixed;
  min-height: 85vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
}
.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}
.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 800;
}
.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
}
.btn {
  background: #f9a826;
  color: #0a2b3e;
  padding: 0.9rem 2rem;
  border-radius: 40px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  transition: 0.2s;
}
.btn:hover {
  background: #ffbf4c;
  transform: translateY(-3px);
}
.about-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: white;
  padding: 2rem;
  border-radius: 32px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.service-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 28px;
  text-align: center;
  box-shadow: 0 12px 22px rgba(0,0,0,0.05);
}
.service-card i {
  font-size: 2.8rem;
  color: #f9a826;
  margin-bottom: 1rem;
}
.portfolio-grid, .projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.project-card {
  background: white;
  border-radius: 28px;
  overflow: hidden;
  transition: 0.25s;
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-6px);
}
.project-img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: #d9e2e8;
}
.project-info {
  padding: 1.4rem 1.2rem 1.6rem;
  flex: 1;
}
.project-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #0a2b3e;
}
.project-location, .project-size {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #2c4b5f;
  margin: 8px 0;
}
.project-location i, .project-size i {
  width: 22px;
  color: #f9a826;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}
.team-card {
  background: white;
  border-radius: 32px;
  text-align: center;
  padding: 1.5rem 1rem 1.8rem;
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  transition: 0.2s;
}
.team-img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 4px solid #f9a826;
  background: #eef2f5;
  display: block;
}
.team-card h3 {
  margin: 0.8rem 0 0.2rem;
  font-size: 1.3rem;
}
.team-card p {
  color: #f9a826;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.contact-form {
  max-width: 720px;
  margin: 0 auto;
  background: white;
  padding: 2rem;
  border-radius: 36px;
  box-shadow: 0 12px 28px rgba(0,0,0,0.05);
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 28px;
  font-family: 'Cairo', sans-serif;
}
.contact-form button {
  background: #0a2b3e;
  color: white;
  border: none;
  padding: 0.9rem;
  width: 100%;
  border-radius: 40px;
  font-weight: bold;
  cursor: pointer;
}
footer {
  background: #0a2b3e;
  color: #cbd5e1;
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
}
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.2rem;
}
.social-links a {
  color: white;
  background: #1f4e66;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: 0.2s;
}
.social-links a:hover {
  background: #f9a826;
}
@media (max-width: 880px) {
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #0f3b4f;
    padding: 1.2rem;
    border-radius: 28px;
    margin-top: 1rem;
  }
  .nav-links.active { display: flex; }
  .menu-toggle { display: block; }
  .hero-content h1 { font-size: 2rem; }
  .container { padding: 2rem 1.2rem; }
}