:root {
  --primary-blue: #2380e2;
  --darker-blue: #3a7dc1;
  --light-blue-transparent-10: #4a90e21a;
  --light-blue-transparent-15: #4a90e225;
  --text-dark: #333;
  --background-light-grey: #f0f2f5;
  --background-hover-light-grey: #e2e6eb;
  --border-grey: #dee2e6;
}

/* hello world */

img {
  width: 100%;
  display: inline-table;
}

.bg-primary,
.btn-primary {
  background-color: var(--primary-blue) !important;
}

.btn {
  background-color: transparent;
  font-family: "Outfit", Sans-serif;
  font-size: 22px;
  font-weight: 800;
  fill: #fff;
  color: #fff;
  background-image: linear-gradient(
    120deg,
    var(--darker-blue) 0%,
    var(--primary-blue) 100%
  );
  border-radius: 15px;
  padding: 8px 20px;
  border-color: var(--darker-blue);
}

.bg-primary-light {
  background-color: var(--light-blue-transparent-10) !important;
}

.text-primary {
  color: var(--primary-blue) !important;
}

.text-color {
  color: var(--primary-blue) !important;
}

.ceo-image-container {
  text-align: center;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-grey);
}

.ceo-circle-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary-blue);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 10px;
  display: inline-block;
}

.ceo-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
}

.navigation-sidebar {
  width: 20%;
  background-color: #f8f9fa;
  padding: 20px;
  border-right: 1px solid var(--border-grey);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  top: 0;
  left: 0;
  z-index: 1000;
}

.main-content {
  position: fixed;
  width: 60%;
  left: 0;
  padding: 20px;
  display: block;
  margin-left: 20%;
  margin-right: 20%;
  background-color: #ffffff;
  overflow-y: auto;
  overflow-x: hidden;
  height: 100vh;
}

.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1000;
  width: 20%;
  background-color: #f8f9fa;
  padding: 20px;
  border-left: 1px solid var(--border-grey);
}

@media (max-width: 1000px) {
  .navigation-sidebar,
  .sidebar {
    display: none;
  }

  .main-content {
    width: 100%;
    margin-left: 0%;
    margin-right: 0%;
  }
}

.about-item {
  margin-bottom: 20px;
  background-color: var(--light-blue-transparent-15);
  border-radius: 12px;
  border-style: solid;
  border-width: 0 0 3px;
  border-color: var(--darker-blue);
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.08);
  transition: background 0.3s, border 0.3s, border-radius 0.3s, box-shadow 0.3s;
  padding: 15px 25px;
}

.custom-border-bottom {
  border-style: solid;
  border-width: 0 0 3px;
  border-color: var(--darker-blue);
  box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.08);
}

.para-text {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4em;
  color: #00022b;
}

.heading-secondary {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-blue);
}

.timeline {
  position: relative;
  padding: 0;
  list-style: none;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: #ccc;
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
  width: 50%;
  padding: 0 20px;
}

.timeline-dot {
  position: absolute;
  top: 5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #007bff;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.2);
}

.timeline-content {
  background-color: #fff;
  border: none;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  padding: 15px;
  position: relative;
  width: 100%;
}

.timeline-item-left {
  float: left;
  clear: both;
  text-align: right;
}

.timeline-item-left .timeline-dot {
  right: 0;
  transform: translateX(50%);
}

.timeline-item-left .timeline-content {
  text-align: right;
}

.timeline-item-left .timeline-content::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  right: -10px;
  top: 15px;
  border-width: 10px 0 10px 10px;
  border-color: transparent transparent transparent #fff;
}

.timeline-item-right {
  float: right;
  clear: both;
  text-align: left;
}

.timeline-item-right .timeline-dot {
  left: 0;
  transform: translateX(-50%);
}

.timeline-item-right .timeline-content {
  text-align: left;
}

.timeline-item-right .timeline-content::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-style: solid;
  left: -10px;
  top: 15px;
  border-width: 10px 10px 10px 0;
  border-color: transparent #fff transparent transparent;
}

.timeline::after {
  content: "";
  display: table;
  clear: both;
}

@media (max-width: 1000px) {
  .timeline {
    padding: 0;
    max-width: 100%;
  }

  .timeline::before {
    display: none;
  }

  .timeline-item {
    width: 100%;
    padding: 0 15px;
    float: none;
    clear: none;
    margin-bottom: 20px;
  }

  .timeline-dot {
    display: none;
  }

  .timeline-content {
    margin-left: auto;
    margin-right: auto;
    text-align: left !important;
  }

  .timeline-item-left .timeline-content::before,
  .timeline-item-right .timeline-content::before {
    display: none;
  }

  .timeline-item-left,
  .timeline-item-right {
    text-align: left;
  }
}

.timeline .card-body .card-title,
.timeline .card-body .card-text {
  color: #fff;
  font-weight: 700;
}

.social-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.social-links-list li {
  margin-bottom: 12px;
}

.social-links-list li a {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  background-color: var(--background-light-grey);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.2s ease,
    box-shadow 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.social-links-list li a:hover {
  background-color: var(--background-hover-light-grey);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.social-links-list li a i {
  font-size: 20px;
  min-width: 30px;
  text-align: center;
  color: var(--primary-blue);
  margin-right: 8px;
}

.social-links-list li a .fa-youtube {
  color: #ff0000;
}
.social-links-list li a .fa-facebook {
  color: #1877f2;
}
.social-links-list li a .fa-instagram {
  color: #e4405f;
}
.social-links-list li a .fa-linkedin {
  color: #0a66c2;
}
.social-links-list li a .fa-globe {
  color: var(--primary-blue);
}
.social-links-list li a .fa-envelope {
  color: #d44638;
}

.navigation-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.navigation-links-list li {
  margin-bottom: 8px;
}

.navigation-links-list li a {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  background-color: var(--background-light-grey);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.2s ease,
    box-shadow 0.3s ease;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.07);
}

.navigation-links-list li a:hover {
  background-color: var(--primary-blue);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.navigation-links-list li a i {
  font-size: 18px;
  min-width: 28px;
  text-align: center;
  color: var(--primary-blue);
  margin-right: 10px;
  transition: color 0.3s ease;
}

.navigation-links-list li a:hover i {
  color: #fff;
}

.navigation-sidebar ul li {
  list-style: none;
  padding: 10px;
  margin: 5px 0;
  border-radius: 5px;
  transition: background-color 0.3s;
  cursor: pointer;
}

.navigation-sidebar ul li a {
  text-decoration: none;
  color: #000;
  font-weight: 600;
}

.navigation-sidebar ul li a:hover {
  color: #ffffff;
}

.timeline-social-links {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  align-items: center;
  background-color: #fff;
  justify-content: center;
  padding: 8px 5px;
  border-radius: 8px;
}

.timeline-social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  text-decoration: none;
  font-size: 22px;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.timeline-social-links a:hover {
  background-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.timeline-social-links a .fa-instagram {
  color: #e4405f;
}
.timeline-social-links a .fa-facebook {
  color: #1877f2;
}
.timeline-social-links a .fa-linkedin {
  color: #0a66c2;
}
.timeline-social-links a .fa-globe {
  color: #000000;
}
.timeline-social-links a .fa-youtube {
  color: #ff0000;
}
.timeline-social-links a .fa-envelope {
  color: #d50028;
}

.education-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  padding: 0 15px;
}

.education-item {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  padding: 25px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 5px solid var(--primary-blue);

  margin-bottom: 20px;
}

.education-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

.education-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.education-header h3 {
  font-size: 22px;
  color: var(--primary-blue);
  margin: 0;
  flex-grow: 1;

  min-width: 150px;
}

.education-icon {
  font-size: 28px;
  color: var(--primary-blue);
  margin-right: 15px;
  flex-shrink: 0;
}

.education-grade {
  font-size: 16px;
  font-weight: 700;
  color: var(--darker-blue);
  padding: 5px 10px;
  background-color: var(--light-blue-transparent-10);
  border-radius: 5px;
  flex-shrink: 0;
  margin-left: 10px;
}

.education-institute {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.education-details {
  font-size: 16px;
  color: #666;
  margin-bottom: 15px;
}

.education-activities {
  list-style: none;
  padding: 0;
  margin-top: 15px;
  border-top: 1px dashed var(--border-grey);
  padding-top: 15px;
}

.education-activities li {
  font-size: 15px;
  color: #555;
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.education-activities li::before {
  content: "\2022";
  color: var(--primary-blue);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
  position: absolute;
  left: 0;
  top: 0;
}

.education-languages {
  font-size: 15px;
  color: #555;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dashed var(--border-grey);
}

.education-languages strong {
  color: var(--text-dark);
}

@media (max-width: 1000px) {
  .education-container {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 10px;
  }

  .education-item {
    padding: 20px;
  }

  .education-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .education-icon {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .education-header h3 {
    font-size: 20px;
    text-align: left;
    width: 100%;
  }

  .education-grade {
    margin-left: 0;
    margin-top: 5px;
  }

  .education-institute,
  .education-details,
  .education-activities li,
  .education-languages {
    font-size: 14px;
  }
}

.background-container {
  position: relative;
  width: 100%;
  height: 60vh;
  background-image: url(./images/surendra-sir-background-image-2.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  justify-content: flex-start;
}

.background-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;

  z-index: 1;
}

.content-left {
  color: white;
  padding: 2rem;
  max-width: 63%;
  text-align: left;
  position: relative;
  z-index: 2;
}

.content-left h1 {
  font-size: 38px;
  margin-bottom: 0.5em;
  line-height: 45px;
  font-weight: 700;
  text-shadow: 3px 1px 6px #000000;
}

.content-left p {
  font-size: 1.2em;
  line-height: 1.6;
}