* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Arial", sans-serif;
}

body {
  line-height: 1.6;
  color: #333;
}

/*.header {*/
/*  position: fixed;*/
/*  width: 100%;*/
/*  background: #fff;*/
/*padding: 15px 20px;*/
/*  height: 66px;*/
/*box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);*/
/*  z-index: 1000;*/
/*}*/
.header {
  position: sticky;
  top: 0;
  z-index: 999;
  height: 66px;
  width: 100%;
  background: #fff;
  box-shadow: 0 5px 10px #17171708;
}
.header_main {
  height: 100%;
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1140px;
  margin: 0 auto;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #2c3e50;
  text-decoration: none;
}

.logo img {
  max-width: 200px;
  height: 100%;
}

nav ul {
  display: flex;
  list-style: none;
  justify-content: flex-end;
  gap: 30px;
  margin-top: 5px;
}

nav a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: #3498db;
}

.hero {
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  padding: 0 !important;
}

.hero-video {
  width: 100%;
}

.hero-video video {
  width: 100%;
}

.hero-content {
  position: absolute;
}

.hero-content h1 {
  font-size: 3.5em;
  margin-bottom: 20px;
}

.hero-content p {
  font-siwize: 1.2em;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: #3498db;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  transition: background 0.3s;
}

.btn:hover {
  background: #2980b9;
}

section {
  padding: 80px 0;
}

h2 {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 40px;
  color: #2c3e50;
}

.services,
.projects,
.why-us {
  max-width: 80vw;
  margin: 0 auto;
}

.why-us h2 {
  width: 100%;
}

.service-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  justify-content: center;
  /* margin-bottom: 40px; */
}

.service-card .icon {
  font-size: 80px;
}

.service-card-box {
  background: #f8f9fa;
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  flex-basis: 33%;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.icon {
  font-size: 12px;
  color: #3498db;
  margin-bottom: 15px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-item {
  height: 300px;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}

.project-item:hover {
  transform: scale(1.03);
}

.overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(52, 152, 219, 0.8);
  color: white;
  padding: 10px;
  font-weight: 500;
}

.why-us {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.benefit {
  text-align: center;
  flex-basis: 40%;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
  border-radius: 20px;
  padding: 30px;
}

.benefit-img {
  max-width: 100%;
  margin-bottom: 10px;
  border-radius: 10px;
}

.about-content {
  max-width: 1200px;
  margin: 0 auto;
}
.about-content p {
  margin: 10px 0;
  font-size: 1.5em;
  text-align: center;
}

.contact-form input,
textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1em;
}

footer {
  background: #fff;
  color: #000;
  text-align: center;
  padding: 20px;
  margin-top: 50px;
}

.footer-content {
  font-size: 12px;
  max-width: 1400px;
  margin: 0 auto;
}

.first-footer {
  margin: 5px 0;
}

footer ul {
  display: flex;
  list-style: none;
  justify-content: center;
  gap: 30px;
  margin: 5px 0;
}

footer a {
  color: #ffaa01;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

/*footer a:hover {*/
/*  color: #3498DB;*/
/*}*/

.about-footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  left: 0;
  background: #2c3e50;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 50px;
}

.about-footer ul {
  display: flex;
  list-style: none;
  justify-content: center;
  gap: 30px;
  margin: 5px 0;
}

.about-footer a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.about-footer a:hover {
  color: #3498db;
}
@media screen and (max-width: 1024px) {
  .header_main img {
    margin: 0 auto !important;
  }
  .service-card-box {
    padding: 10px;
  }
}
@media screen and (max-width: 990px) {
  section {
    padding: 30px 0;
  }
  .header_main {
    width: 100%;
    margin: 0 auto;
  }
  .service-card {
    grid-template-columns: repeat(1, 1fr);
  }
  .benefit {
    flex-basis: 90%;
  }
  .benefit h3 {
    font-size: 14px;
  }
  h1 {
    font-size: 2em !important;
  }
  .hero-content p {
    font-size: 18px !important;
  }
  p {
    font-size: 12px;
  }
  .about {
    width: 80%;
    margin: 0 auto;
  }
  h2 {
    font-size: 28px !important;
  }
  .overlay {
    font-size: 14px;
  }
}
@media screen and (max-width: 480px) {
  h1 {
    font-size: 22px !important;
  }
  .hero-content p {
    font-size: 12px !important;
  }
  .project-grid {
    grid-template-columns: repeat(1, 1fr);
  }
  .benefit {
    flex-basis: 99%;
  }
  .about-content p {
    font-size: 12px;
  }
}