```css
/* =========================================
   GLOBAL RESET
========================================= */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #222;
  background: #f4f7fb;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}


/* =========================================
   NAVBAR
========================================= */

.navbar {
  height: 75px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 7%;

  background: #071b3a;

  position: sticky;
  top: 0;

  z-index: 1000;

  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
}

.logo {
  color: #ffffff;

  font-size: 25px;
  font-weight: 700;

  white-space: nowrap;
}

.navbar nav {
  display: flex;

  align-items: center;

  gap: 30px;
}

.navbar nav a {
  color: #ffffff;

  text-decoration: none;

  font-size: 15px;
  font-weight: 600;

  transition: 0.3s ease;
}

.navbar nav a:hover {
  color: #00a8ff;
}


/* =========================================
   HERO SECTION
========================================= */

.hero {
  min-height: calc(100vh - 75px);

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  text-align: center;

  padding: 80px 20px;

  position: relative;

  background:
    linear-gradient(
      rgba(5, 25, 55, 0.90),
      rgba(5, 25, 55, 0.90)
    ),
    url("hero.jpg");

  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";

  position: absolute;

  width: 300px;
  height: 300px;

  background: #00a8ff;

  border-radius: 50%;

  filter: blur(130px);

  opacity: 0.15;

  top: 10%;
  left: 10%;
}

.hero::after {
  content: "";

  position: absolute;

  width: 300px;
  height: 300px;

  background: #0066ff;

  border-radius: 50%;

  filter: blur(130px);

  opacity: 0.15;

  bottom: 10%;
  right: 10%;
}

.hero h2 {
  position: relative;

  z-index: 1;

  color: #ffffff;

  font-size: 58px;

  line-height: 1.2;

  max-width: 900px;

  margin: 0 auto 25px;
}

.hero p {
  position: relative;

  z-index: 1;

  color: #dceaf5;

  font-size: 20px;

  max-width: 750px;

  margin: 0 auto 35px;
}

.hero button {
  position: relative;

  z-index: 1;

  border: none;

  background: #00a8ff;

  color: #ffffff;

  padding: 15px 35px;

  border-radius: 30px;

  font-size: 16px;

  font-weight: 700;

  cursor: pointer;

  transition: 0.3s ease;
}

.hero button:hover {
  background: #0086cc;

  transform: translateY(-3px);

  box-shadow: 0 10px 25px rgba(0, 168, 255, 0.3);
}


/* =========================================
   SERVICES SECTION
========================================= */

.services {
  padding: 100px 7%;

  background: #f4f7fb;

  min-height: 100vh;
}

.services > h3 {
  text-align: center;

  color: #071b3a;

  font-size: 42px;

  margin-bottom: 55px;

  position: relative;
}

.services > h3::after {
  content: "";

  display: block;

  width: 60px;
  height: 4px;

  background: #00a8ff;

  margin: 15px auto 0;

  border-radius: 5px;
}


/* =========================================
   SERVICE CARDS
========================================= */

.service-cards {
  max-width: 1200px;

  margin: auto;

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 28px;
}

.card {
  position: relative;

  background: #ffffff;

  border-radius: 16px;

  padding: 25px;

  min-height: 450px;

  display: flex;

  flex-direction: column;

  box-shadow:
    0 5px 25px rgba(0, 0, 0, 0.06);

  border: 1px solid #edf1f5;

  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);

  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.12);
}


/* =========================================
   CARD IMAGE
========================================= */

.card-image {
  width: 100%;

  height: 170px;

  object-fit: contain;

  background: #f6f9fc;

  border-radius: 12px;

  padding: 15px;

  margin-bottom: 22px;
}


/* =========================================
   CARD CONTENT
========================================= */

.card h4 {
  color: #071b3a;

  font-size: 21px;

  margin-bottom: 12px;
}

.card p {
  color: #687585;

  font-size: 14px;

  line-height: 1.7;

  padding-bottom: 60px;
}


/* =========================================
   CARD ARROW
========================================= */

.arrow-button {
  position: absolute;

  bottom: 25px;
  right: 25px;

  width: 45px;
  height: 45px;

  display: flex;

  align-items: center;
  justify-content: center;

  background: #071b3a;

  color: #ffffff;

  text-decoration: none;

  border-radius: 50%;

  font-size: 23px;

  transition: 0.3s ease;
}

.arrow-button:hover {
  background: #00a8ff;

  transform: translateX(5px);
}


/* =========================================
   ABOUT SECTION
========================================= */

.about {
  min-height: 60vh;

  display: flex;

  flex-direction: column;

  align-items: center;
  justify-content: center;

  text-align: center;

  padding: 90px 20px;

  background: #ffffff;
}

.about h3 {
  color: #071b3a;

  font-size: 42px;

  margin-bottom: 25px;
}

.about h3::after {
  content: "";

  display: block;

  width: 60px;
  height: 4px;

  background: #00a8ff;

  margin: 15px auto 0;

  border-radius: 5px;
}

.about p {
  max-width: 850px;

  color: #687585;

  font-size: 17px;

  line-height: 1.9;
}


/* =========================================
   CTA SECTION
========================================= */

.cta {
  min-height: 45vh;

  display: flex;

  flex-direction: column;

  align-items: center;
  justify-content: center;

  text-align: center;

  padding: 70px 20px;

  background:
    linear-gradient(
      135deg,
      #071b3a,
      #075985
    );

  color: #ffffff;
}

.cta h3 {
  font-size: 42px;

  margin-bottom: 30px;
}

.cta button {
  border: none;

  background: #00a8ff;

  color: #ffffff;

  padding: 15px 35px;

  border-radius: 30px;

  font-size: 16px;

  font-weight: 700;

  cursor: pointer;

  transition: 0.3s ease;
}

.cta button:hover {
  background: #ffffff;

  color: #071b3a;

  transform: translateY(-3px);
}


/* =========================================
   FOOTER
========================================= */

footer {
  min-height: 100px;

  display: flex;

  align-items: center;
  justify-content: center;

  text-align: center;

  padding: 30px 180px 30px 30px;

  position: relative;

  background: #031024;

  color: #ffffff;
}

footer p {
  font-size: 14px;

  color: #cbd5e1;
}


/* =========================================
   FLOATING CALL BUTTON
========================================= */

.call-button {
  position: fixed;

  right: 25px;
  bottom: 190px;

  width: 52px;
  height: 52px;

  display: flex;

  align-items: center;
  justify-content: center;

  background: #2196f3;

  border-radius: 50%;

  z-index: 999;

  box-shadow:
    0 5px 20px rgba(0, 0, 0, 0.25);

  transition: 0.3s ease;
}

.call-button:hover {
  transform: scale(1.1);

  background: #1976d2;
}

.call-button img {
  width: 27px;
  height: 27px;
}


/* =========================================
   WHATSAPP BUTTON
========================================= */

.whatsapp-chat {
  position: fixed;

  right: 25px;
  bottom: 125px;

  width: 52px;
  height: 52px;

  display: flex;

  align-items: center;
  justify-content: center;

  background: #25d366;

  border-radius: 50%;

  z-index: 999;

  box-shadow:
    0 5px 20px rgba(0, 0, 0, 0.25);

  transition: 0.3s ease;
}

.whatsapp-chat:hover {
  transform: scale(1.1);

  background: #1ebe5d;
}

.whatsapp-chat img {
  width: 30px;
  height: 30px;
}


/* =========================================
   LINKEDIN BUTTON
========================================= */

.linkedin-float {
  position: fixed;

  right: 25px;
  bottom: 60px;

  width: 52px;
  height: 52px;

  display: flex;

  align-items: center;
  justify-content: center;

  background: #0077b5;

  border-radius: 50%;

  z-index: 999;

  box-shadow:
    0 5px 20px rgba(0, 0, 0, 0.25);

  transition: 0.3s ease;
}

.linkedin-float:hover {
  transform: scale(1.1);

  background: #005f91;
}

.linkedin-float img {
  width: 28px;
  height: 28px;
}


/* =========================================
   TABLET
========================================= */

@media (max-width: 1000px) {

  .navbar {
    padding: 0 4%;
  }

  .service-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h2 {
    font-size: 48px;
  }

}


/* =========================================
   MOBILE
========================================= */

@media (max-width: 650px) {

  .navbar {
    height: auto;

    padding: 18px 20px;

    flex-direction: column;

    gap: 15px;
  }

  .logo {
    font-size: 22px;
  }

  .navbar nav {
    gap: 15px;

    flex-wrap: wrap;

    justify-content: center;
  }

  .navbar nav a {
    font-size: 14px;
  }


  /* Hero */

  .hero {
    min-height: calc(100vh - 120px);

    padding: 70px 20px;
  }

  .hero h2 {
    font-size: 36px;
  }

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


  /* Services */

  .services {
    padding: 70px 20px;
  }

  .services > h3 {
    font-size: 32px;

    margin-bottom: 40px;
  }

  .service-cards {
    grid-template-columns: 1fr;

    gap: 22px;
  }

  .card {
    min-height: 430px;
  }


  /* About */

  .about {
    padding: 70px 20px;
  }

  .about h3 {
    font-size: 32px;
  }

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


  /* CTA */

  .cta {
    min-height: 40vh;

    padding: 60px 20px;
  }

  .cta h3 {
    font-size: 30px;
  }


  /* Footer */

  footer {
    padding: 30px 20px 130px;
  }


  /* Floating buttons */

  .call-button,
  .whatsapp-chat,
  .linkedin-float {
    right: 18px;

    width: 48px;
    height: 48px;
  }

  .call-button {
    bottom: 175px;
  }

  .whatsapp-chat {
    bottom: 115px;
  }

  .linkedin-float {
    bottom: 55px;
  }

}