:root {
  --navy-blue: #003366;
  --light-blue: #5bc0de;
  --light-blue-transparent: rgba(91, 192, 222, 0.493);
  --black: #16161d;
  --white: #fff;
  --light-color: #808080;
  --silver: #bdc3c7;
  --light-bg: #f5f5f8;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: "Open Sans", sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--light-bg);
  padding-top: 60px;
}

/* Adjustments for tablets */
@media screen and (min-width: 768px) {
  body {
    padding-top: 80px;
  }

  .navbar {
    padding: 1rem 4rem;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
/* end */

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Montserrat", sans-serif;
}
/* end */

/* header section styling start */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--light-bg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.logo {
  display: flex;
  align-items: center;
  flex-direction: row;
}

.logo img {
  height: 60px;
  margin-right: 10px;
  vertical-align: middle;
}

.logo a {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.company-name {
  font-family: "Montserrat", sans-serif;
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 60px;
}

.strat,
.international {
  color: var(--navy-blue);
}

.solutions {
  color: var(--light-blue);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.nav-links li a {
  font-size: 1.2rem;
  color: var(--navy-blue);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: var(--light-blue);
}

.nav-links li a.active {
  color: var(--light-blue);
  font-weight: bolder;
}

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: var(--navy-blue);
  margin: 5px;
  transition: all 0.3s ease;
}

/* hero section design */
.hero {
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding: 2rem;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("../images/main_hero.jpg") no-repeat center center/cover;
  color: var(--white);
}

.hero h1 {
  font-family: "Montserrat", sans-serif;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  animation: fadeIn 1s ease-in;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-family: "Roboto", sans-serif;
  animation: fadeIn 1s ease-in;
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.cta-button {
  display: inline-block;
  animation: fadeIn 1s ease-in;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(45deg, var(--navy-blue), var(--light-blue));
  color: var(--white);
  text-decoration: none;
  border-radius: 5px;
  transition: all 0.3s ease;
  font-size: 1.1rem;
}

.cta-button:hover {
  background-color: var(--navy-blue);
  transform: scale(1.05);
}

/* Responsive Design for navbar */
@media screen and (max-width: 768px) {
  .nav-links {
    position: absolute;
    right: 0px;
    height: 92vh;
    top: 8vh;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 50%;
    transform: translateX(100%);
    transition: transform 0.5s ease-in;
  }

  .nav-links li {
    opacity: 0;
  }

  .burger {
    display: block;
  }

  .nav-active {
    transform: translateX(0%);
  }

  @keyframes navLinkFade {
    from {
      opacity: 0;
      transform: translateX(50px);
    }
    to {
      opacity: 1;
      transform: translateX(0px);
    }
  }

  .toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .toggle .line2 {
    opacity: 0;
  }

  .toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
  }
}

@media screen and (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .about-column,
  .mission-column,
  .vision-column {
    margin: 1rem 0;
  }
}

@media screen and (max-width: 480px) {
  .about-column h3,
  .mission-column h3,
  .vision-column h3 {
    font-size: 1.2rem;
  }

  .about-column p,
  .mission-column p,
  .vision-column p {
    font-size: 0.9rem;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
/* end of hero styling */
/* end of header section styling */

/* About Us styling Start */
.about-section {
  padding: 4rem 2rem;
  background-color: #f9f9f9;
}

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  max-width: 1200px;
  margin: 0 auto;
}

.about-column,
.mission-column,
.vision-column {
  flex: 1 1 300px;
  padding: 2rem;
  text-align: center;
  color: var(--white);
  font-weight: bolder;
  margin: 1rem;
  border-radius: 10px;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.about-column {
  background-color: var(--silver);
}

.mission-column {
  background-color: var(--light-color);
}

.vision-column {
  background-color: var(--light-blue-transparent);
}

.icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

.about-column:hover,
.mission-column:hover,
.vision-column:hover {
  transform: scale(1.02);
}

.icon:hover {
  color: var(--light-blue);
}

.about-column h3,
.mission-column h3,
.vision-column h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.about-column p,
.mission-column p,
.vision-column p {
  font-size: 1rem;
  line-height: 1.6;
  font-weight: bolder;
}
/* end of styling for about us */

/* Services Section styling stars*/
.services-section {
  padding: 4rem 2rem;
  background-color: var(--light-bg);
}

.services-section .container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--navy-blue);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.service-item {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
  position: relative;
}

.service-item:nth-child(1) {
  background-color: var(--black);
  color: var(--white);
}

.service-item:hover {
  background-color: var(--light-blue-transparent);
}

.service-icon {
  font-size: 3rem;
  color: var(--light-blue);
  margin-bottom: 1rem;
}

.service-item:nth-child(1) .service-icon {
  color: var(--white);
}

.service-title {
  font-size: 1.2rem;
  color: var(--navy-blue);
  margin-bottom: 1rem;
  margin-top: 1rem;
  text-align: center;
}

.service-item:nth-child(1) .service-title {
  color: var(--white);
}

.service-description {
  font-size: 1rem;
  font-weight: 400;
  color: var(--black);
  line-height: 1.6;
  text-align: left;
}

.service-item:nth-child(1) .service-description {
  color: var(--white);
}

.cta-button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  background-color: var(--light-blue);
  color: var(--white);
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: var(--navy-blue);
  transform: scale(1.05);
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}
@media screen and (max-width: 480px) {
  .service-icon {
    font-size: 2.5rem;
  }
  .service-number {
    font-size: 1.2rem;
  }
}
/* end of styling for services */

/* Client Section Styling start*/
.client_section {
  overflow: hidden;
  padding: 40px 0;
  background: var(--white);
  white-space: nowrap;
  position: relative;
}

.client_section .heading {
  font-family: "Montserrat", sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--navy-blue);
}

/* .client_section:hover .logo_slide {
  animation-play-state: paused;
} */

.logo_slide {
  display: inline-block;
  animation: 35s slide infinite linear;
}

.logo_slide img {
  height: 60px;
  margin: 0 40px;
}

@keyframes slide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

/* For smaller screens */
@media screen and (max-width: 768px) {
  .client_section {
    padding: 30px 0;
  }

  .client_section .heading {
    font-size: 1.2rem;
  }

  .logo_slide img {
    height: 80px;
    margin: 0 10px;
  }

  .logo_slide {
    animation: slide 25s linear infinite;
  }
}

/* For very small screens */
@media screen and (max-width: 480px) {
  .client_section {
    padding: 20px 0;
  }

  .client_section .heading {
    font-size: 1rem;
  }

  .logo_slide img {
    height: 80px;
    margin: 0 5px;
  }

  .logo_slide {
    animation: slide 25s linear infinite;
  }
}
/* client styling ends */

/* Why choose us styling section begins */
#why-choose-us {
  background-color: #f9f9f9;
  padding: 60px 20px;
  text-align: center;
}

#why-choose-us .section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--navy-blue);
  letter-spacing: 1px;
}

.why-choose-us-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.why-choose-us-item {
  flex: 1 1 calc(25% - 20px);
  min-width: 200px;
  max-width: 300px;
  text-align: center;
}

.why-choose-us-item .number {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1;
}

.why-choose-us-item:nth-child(1) .number {
  color: #54b4af;
}

.why-choose-us-item:nth-child(2) .number {
  color: #8ec3c0;
}

.why-choose-us-item:nth-child(3) .number {
  color: var(--light-blue);
}

.why-choose-us-item:nth-child(4) .number {
  color: var(--navy-blue);
}

.why-choose-us-item .shape-title {
  font-size: 16px;
  font-weight: 600;
  margin: 10px 0;
  text-transform: uppercase;
  color: #444;
}

.why-choose-us-item .description {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.closing-text {
  margin-top: 40px;
  font-size: 16px;
  color: #555;
  line-height: 1.8;
}

/* Responsive Styles */
@media (max-width: 768px) {
  .why-choose-us-grid {
    flex-direction: column;
    align-items: center;
  }

  .why-choose-us-item {
    flex: 1 1 100%;
    max-width: none;
    margin-bottom: 20px;
  }

  .why-choose-us-item .number {
    font-size: 48px;
  }
}

@media screen and (max-width: 768px) {
  .why-choose-us-item .number {
    font-size: 23px;
  }
}
/* end of styling for Why choose us */

/* footer styling starts */
.footer {
  background-color: var(--navy-blue);
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.footer .logo {
  font-family: "Montserrat", sans-serif;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--white);
  text-decoration: none;
  display: block;
  margin-bottom: 1rem;
}

.footer .logo span {
  color: var(--light-blue);
}

.footer p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.reachOut {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item ion-icon {
  font-size: 1.5rem;
  margin-right: 0.5rem;
  color: var(--white);
}

.contact-item h4 {
  font-size: 0.9rem;
  margin: 0;
}

.footer-note {
  font-size: 0.9rem;
  color: var(--white);
}

/* end of footer styling */

/* Back to Top Button Styles */
#backToTop {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--light-blue);
  color: var(--white);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: background-color 0.3s ease;
  z-index: 1000;
}

#backToTop:hover {
  background-color: var(--navy-blue);
}

@media (max-width: 768px) {
  #backToTop {
    width: 40px;
    height: 40px;
  }
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .reachOut {
    flex-direction: column;
    gap: 1rem;
  }
}
/* end */

/* General resposiveness on mobile */
@media screen and (max-width: 480px) {
  .services-grid,
  .why-choose-us-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .hero h1 {
    font-size: 2.5rem;
  }
}

/* Adjust the media queries for smaller screens */
@media screen and (max-width: 768px) {
  .client_section .heading {
    font-size: 2rem;
  }
}

@media screen and (max-width: 480px) {
  .client_section .heading {
    font-size: 1.5rem;
  }
}

/* Adjustments for desktops */
@media screen and (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .why-choose-us-grid {
    flex-direction: row;
  }

  .why-choose-us-item {
    flex: 1 1 calc(25% - 20px);
  }
}
/* end */