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

.header {
  width: 100%;
  background: linear-gradient(135deg, rgb(17, 17, 73), rgb(59, 59, 184));
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 10px 0;
  top: 0;
  position: fixed;
  z-index: 100;
}

nav {
  max-width: 1200px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.logo img {
  width: 200px;
  filter: brightness(0) invert(1);
}



.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 20px;
}

.nav-links li a {
  text-decoration: none;
  color: white;
  font-size: 22px; 
}

.nav-links li a:hover {
  color: aqua;
}

.menu-icon {
  display: none;
  font-size: 28px;
  cursor: pointer;
  color: white;
}


.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 80px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  list-style: none;
  padding: 10px 0;
  z-index: 1001;
}


.dropdown-menu li a {
  display: block;
  text-align: center;
  /* padding: 10px 20px; */
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.dropdown-menu li a:hover {
  color: aqua;
  border-radius: 5px;
}


.dropdown:hover .dropdown-menu {
  display: block;
}

#homeLink {
  display: inline-block;
  transition: transform 0.3s ease;
}

/* .dropdown:hover #homeLink {
  transform: rotate(180deg);
} */


.loginbtn {
    padding: 8px 20px;
    border: none;
    background: linear-gradient(135deg, rgb(72, 226, 243), rgb(141, 249, 155));
    color: black;
    border-radius: 50px;
    cursor: pointer;
    font-size: 15px;
}

.loginbtn:hover {
    background: linear-gradient(135deg, rgb(141, 249, 155) , rgb(72, 226, 243));
}

@media (max-width: 820px) {
    .nav-links {
        position: absolute;
        top: 70px;
        right: 0;
        background: rgb(15, 15, 44);
        width: 100%;
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
        gap: 50px;
        display: none;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }

    .nav-links.open {
        display: flex;
    }

    .menu-icon {
        display: block;
    }
}

/* section main */



.main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px 20px;
  text-align: center;
  background: linear-gradient(135deg, rgba(2, 25, 79, 0.8), rgba(0, 8, 19, 0.8)),
              url("./image/windmillet.webp") no-repeat center center/cover;
  color: #fff;
  line-height: 1.5;
}

.main-content {
  max-width: 800px;
    
}

.top {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  color: #f1c40f;
  background: rgba(255, 255, 255, 0.06);
  font-family: 14px;
  font-weight: 600;
  margin-bottom: 18px;
  
}

.main h1 {
  font-size: 55px;
  margin-bottom: 16px;
  line-height: 1.2;

}

.main h1 strong {
  color: #f1c40f;
}

.maintitle {
  font-size: 18px;
  color: aliceblue;
  margin-bottom: 24px;

}

.mainbtn {
text-decoration: none;
padding: 10px 22px;
border-radius: 30px;
font-weight: 600 ;
background: #f1c40f;
color: #2c3e50;

}

.mainbtn:hover {
  background: #fff;
  color: #2563eb;
}

.avgs {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 35px;

}

.avg {
  background: rgba(255, 255, 255, 0.06);
  padding: 12px 20px;
  border-radius: 10px;
  text-align: center;
  min-width: 110px;
}

.num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: #f1c40f;

}

.label {
  font-size: 14px;
  color: aliceblue;
}



@media (max-width: 991px) {
  .main h1 {
    font-size: 45px;
  }

  .maintitle {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .btn {
    padding: 8px 20px;
    font-size: 14px;
  }

  .avgs {
    gap: 15px;
  }

  .avg {
    min-width: 90px;
    padding: 10px 16px;
  }

  .num {
    font-size: 20px;
  }

  .label {
    font-size: 13px;
  }
}


@media (max-width: 767px) {
  .main {
    padding: 30px 15px;
  }

  .main h1 {
    font-size: 35px;
  }

  .maintitle {
    font-size: 14px;
    margin-bottom: 16px;
  }

  .btn {
    padding: 6px 16px;
    font-size: 13px;
  }

  .avgs {
    flex-direction: column;
    gap: 12px;
  }

  .avg {
    min-width: 100%;
    padding: 10px 12px;
  }

  .num {
    font-size: 18px;
  }

  .label {
    font-size: 12px;
  }
}


/* section main */


.mainsection {
  background: url("./image/oil.webp") center/cover no-repeat;
  padding: 130px 10%;
  height: 100vh;
  display: flex;
  align-items: center;
  color: #fff;
  position: relative;
  font-family: "Poppins", sans-serif;
}


.mainsection::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 5, 0.65);
  z-index: 1;
}

.maincontent {
  position: relative;
  z-index: 2;
  max-width: 800px;
}


.maincontent h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
}

.maincontent h1 span {
  color: #ffb703;
}


.maincontent p {
  font-size: 18px;
  line-height: 1.8;
  margin: 20px 0 35px;
  color: #e5e5e5;
}


.hero-buttons {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.btn-primary {
  padding: 14px 30px;
  background: #ffb703;
  color: #000;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s;
}

.btn-primary:hover {
  background: #ffa500;
}

.btn-secondary {
  padding: 14px 30px;
  border: 2px solid #ffd369;
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s;
}

.btn-secondary:hover {
  background: #ffd369;
  color: #000;
}


.mainstats {
  display: flex;
  gap: 40px;
  margin-top: 25px;
}

.stat-box h3 {
  font-size: 34px;
  color: #ffdd70;
  font-weight: 700;
}

.stat-box p {
  font-size: 16px;
  color: #f3f3f3;
}



@media (max-width: 992px) {
  .mainsection {
    padding: 100px 8%;
    height: auto;
    text-align: center;
    justify-content: center;
  }

  .hero-buttons {
    justify-content: center;
  }

  .mainstats {
    justify-content: center;
  }

  .maincontent h1 {
    font-size: 42px;
  }
}


@media (max-width: 768px) {
  .maincontent h1 {
    font-size: 34px;
  }

  .maincontent p {
    font-size: 16px;
  }

  .mainstats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}


@media (max-width: 480px) {
  .mainsection {
    padding: 80px 6%;
  }

  .maincontent h1 {
    font-size: 28px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 12px 22px;
    font-size: 15px;
  }
}


/* sectiion oil and gas */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&display=swap');

.oilgas-services {
  padding: 90px 10%;
  background: url(./image/bgfreature.webp) no-repeat center center/cover fixed;
  font-family: 'Montserrat', sans-serif;
  text-align: center;
}

.services-title {
  font-size: 38px;
  font-weight: 700;
  color: #ffffff;
}

.services-subtitle {
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 50px;
}

.services-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}


.service-box {
  width: 330px;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 6px 25px rgba(0,0,0,0.12);
  overflow: hidden;
  transition: 0.4s;
}

.service-box:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}


.service-box img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}


.icon {
  margin-top: -25px;
  width: 55px;
  height: 55px;
  background: #ffb703;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-left: auto;
  margin-right: auto;
}

.icon i {
  color: #000;
  font-size: 26px;
}


.service-box h3 {
  font-size: 22px;
  margin-top: 18px;
  color: #102a43;
  font-weight: 700;
}

.service-box p {
  font-size: 15px;
  color: #5b6775;
  padding: 0 20px 25px;
  line-height: 1.7;
}


@media (max-width: 992px) {
  .services-container {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .services-title {
    font-size: 32px;
  }
  .service-box {
    width: 100%;
    max-width: 350px;
  }
}

@media (max-width: 480px) {
  .services-title {
    font-size: 28px;
  }
  .service-box img {
    height: 170px;
  }
}

/* section save */


.oil-recycle-section {
    position: relative;
    height: 60vh;
    background-image: url('./image/new.webp');  
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10%;
}


.oil-recycle-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}


.oil-recycle-content {
    position: relative;
    max-width: 850px;
    text-align: center;
    color: #fff;
    font-family: "Poppins", sans-serif;
}

.oil-recycle-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.oil-recycle-content p {
    font-size: 18px;
    line-height: 1.7;
    opacity: 0.9;
}


@media (max-width: 768px) {
    .oil-recycle-section {
        height: auto;
        padding: 80px 8%;
        text-align: center;
    }

    .oil-recycle-content h2 {
        font-size: 28px;
    }

    .oil-recycle-content p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .oil-recycle-content h2 {
        font-size: 24px;
        line-height: 1.3;
    }

    .oil-recycle-content p {
        font-size: 15px;
    }
}

/* section consulting */


.consulting-section {
  padding: 80px 10%;
  background: #f4f6f8;
  font-family: "Poppins", sans-serif;
}

.consulting-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}

.consulting-left {
  flex: 1;
}

.consulting-left h2 {
  font-size: 40px;
  font-weight: 700;
  color: #0d1b2a;
  margin-bottom: 20px;
}

.consulting-left p {
  font-size: 17px;
  color: #334155;
  line-height: 1.7;
  margin-bottom: 15px;
}

.consulting-right {
  flex: 1;
  display: flex;
  justify-content: center;
}

.consulting-right img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0px 5px 20px rgba(0,0,0,0.15);
}


@media (max-width: 900px) {
  .consulting-container {
    flex-direction: column;
    text-align: center;
  }

  .consulting-right img {
    height: 280px;
  }

  .consulting-left h2 {
    font-size: 32px;
  }

  .consulting-left p {
    font-size: 15px;
  }
}

@media (max-width: 500px) {
  .consulting-section {
    padding: 50px 6%;
  }

  .consulting-right img {
    height: 250px;
  }

  .consulting-left h2 {
    font-size: 28px;
  }
}

/* section what we do */

.whatwedo-section {
    padding: 70px 10%;
    background: url(./image/bgfreature.webp) no-repeat center center/cover fixed;
    font-family: "Poppins", sans-serif;
}

.whatwedo-top {
    max-width: 700px;
    margin-bottom: 40px;
}

.whatwedo-top h2 {
    font-size: 38px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.whatwedo-top p {
    font-size: 17px;
    color: #ffffff;
    line-height: 1.7;
}

.whatwedo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-box {
    background: linear-gradient(135deg, rgb(201, 197, 247), rgb(163, 244, 237));
    padding: 30px 25px;
    border-radius: 15px;
    box-shadow: 0px 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: 0.3s ease;
}

.service-box i {
    font-size: 40px;
    color: #e67e22;
    margin-bottom: 15px;
}

.service-box h4 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #0a2a43;
}

.service-box p {
    font-size: 15px;
    color: #555;
    line-height: 1.6;
}

.service-box:hover {
    transform: translateY(-8px);
    box-shadow: 0px 8px 30px rgba(0,0,0,0.12);
}


@media (max-width: 992px) {
    .whatwedo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .whatwedo-section {
        padding: 50px 5%;
    }

    .whatwedo-top h2 {
        font-size: 32px;
    }

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

/* section projects */


.og-projects {
  padding: 80px 10%;
  background: #0a0f1a;
  color: #fff;
  font-family: 'Poppins', sans-serif;
}

.section-title {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: 40px;
  text-align: center;
  color: #ffcc66;
}


.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}


.project-card {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .3s ease;
}

.project-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: .3s ease;
}


.project-card:hover img {
  transform: scale(1.1);
  filter: brightness(60%);
}


.project-content {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 20px;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transform: translateY(20px);
  transition: .3s ease;
}


.project-card:hover .project-content {
  opacity: 1;
  transform: translateY(0);
}


.project-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 5px;
}

.project-content p {
  font-size: 14px;
  opacity: .8;
  margin-bottom: 10px;
}


.read-more {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid #ffcc66;
  color: #ffcc66;
  font-size: 14px;
  border-radius: 5px;
  text-decoration: none;
  transition: .3s;
}

.read-more:hover {
  background: #ffcc66;
  color: #0a0f1a;
}


@media (max-width: 992px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-card img {
    height: 240px;
  }
}

@media (max-width: 576px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-card img {
    height: 220px;
  }
  .section-title {
    font-size: 30px;
  }
}

/* footer section */


.footer {
  background: url(./image/footer.webp) no-repeat center center/cover fixed;
  color: #d8e2f3;
  padding: 50px 0 20px;
  font-family: "Poppins", sans-serif;
}

.footer-container {
  width: 90%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}


.footer-about {
  flex: 1.2;
  min-width: 250px;
}

.comlogo {
  width: 170px;
  margin-bottom: 15px;
  filter: brightness(0) invert(1);
}

.footer-about p {
  line-height: 1.6;
  font-size: 15px;
  color: #c6d4ea;
}


.footer-links,
.footer-support,
.footer-contact {
  flex: 1;
  min-width: 200px;
}

.footer-links h4,
.footer-support h4,
.footer-contact h4 {
  font-size: 20px;
  margin-bottom: 12px;
  color: #5ac8ff;
}

.footer-links ul,
.footer-support ul {
  list-style: none;
  padding: 0;
}

.footer-links ul li,
.footer-support ul li {
  margin: 8px 0;
}

.footer-links ul li a,
.footer-support ul li a {
  text-decoration: none;
  color: #c8d3e2;
  font-size: 15px;
}

.footer-links ul li a:hover,
.footer-support ul li a:hover {
  color: #5ac8ff;
}


.footer-contact p {
  margin: 8px 0;
  color: #cfd9ed;
}

.social-icons a {
  margin-right: 12px;
  color: #5ac8ff;
  font-size: 18px;
}

.social-icons a:hover {
  color: #97e1ff;
}


.footer-bottom {
  margin-top: 30px;
  text-align: center;
  border-top: 1px solid #1c2a44;
  padding-top: 12px;
}

.footer-bottom p {
  color: #a8b7d4;
  font-size: 14px;
}


@media (max-width: 900px) {
  .footer-container {
    flex-direction: column;
    text-align: left;
  }

  .social-icons a {
    margin-top: 10px;
  }
}