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

:root {
  --primary-color: #2449cf;
  --secondary-color: #9d9e8c;
  --light-color: #f9fafb;
  --dark-color: #272d35;
}

html,
body {
  font-family: "Open Sans", sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

/* Utility Classes */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-sm {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

.btn {
  display: inline-block;
  padding: 1.3rem 2.3rem;
  border: 1px solid var(--secondary-color);
  border-radius: 32px;
  background: var(--secondary-color);
  color: var(--dark-color);
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: #fff;
}

/* Navbar */
.navbar {
  background-color: rgba(36, 73, 207, 1);
  color: white;
  padding: 1rem 2rem;
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1000;
  transition: background-color 0.5s ease-in-out;
}

.navbar.navbar-scroll {
  background-color: rgba(36, 73, 207, 0.8);
  backdrop-filter: blur(10px);
}

.navbar-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar img {
  width: 81px;
  height: 32px;
}

.navbar .main-menu-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-weight: 600;
}

.navbar a {
  color: #fff;
}

.navbar a:hover {
  columns: var(--secondary-color);
}

.navbar i {
  font-size: 1.5rem;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
}

.navbar .mobile-menu-toggle {
  color: #fff;
  cursor: pointer;
}

.navbar .mobile-menu-items {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  opacity: 0.95;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transform: translate(100%);
  transition: transform 0.3s ease;
}

.navbar .mobile-menu-items.active {
  transform: translateX(0);
}

.navbar .mobile-menu-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  font-size: 1.2rem;
}

main {
  margin: 8rem 2rem 2rem;
}

.footer a {
  color: #fff;
}

.footer a:hover {
  color: var(--secondary-color);
}

.footer {
  background-color: var(--primary-color);
  color: #fff;
  border-top: 1px solid #384653;
  padding: 0.5rem 2rem;
}

.footer-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer ul {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 2rem 0;
}

.posts {
  margin-top: 2rem;
}

.post {
  margin-top: 2rem;
}

/* Not changed yet */

.card {
  /* background-color: lightblue; */
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card h1 {
  margin-bottom: 15px;
}

.card p {
  margin-bottom: 15px;
}

.card a {
  margin-bottom: 15px;
  text-decoration: none;
  color: #fff;
  background-color: #333;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 18px;
}

.card a:hover {
  opacity: 0.9;
}

header > h1 {
  text-align: center;
}

a.tag {
  background-color: #ddd;
  color: #333;
  display: inline-block;
  padding: 0.1em;
  font-size: 0.9em;
  text-decoration: none;
}

.pagination {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 1em auto;
  padding: 0;
}

.pagination > .page-item {
  border: 1px solid #ddd;
  flex: 1;
  text-align: center;
  width: 5em;
}

.pagination .page-link {
  display: block;
  color: #000;
  text-decoration: none;
}

.pagination > .page-item.active {
  background-color: #333;
}

.pagination > .page-item.active > .page-link {
  color: #fff;
}

.pagination > .page-item.disabled > .page-link {
  color: #ddd;
}

/* Media Queries  */
@media (max-width: 768px) {
  .main-menu-items,
  .info-left {
    display: none;
  }

  .navbar .mobile-menu {
    display: block;
  }

  .navbar .mobile-menu-toggle {
    display: block;
    padding: 10px;
  }

  .footer {
    padding: 0.5rem 1rem;
  }

  .footer-flex {
    flex-direction: column;
    text-align: center;
  }
}

@media only screen and (min-width: 768px) {
  .project-container {
    display: flex;
  }

  .project-container .project-list {
    width: 20%;
  }

  .project-container .project {
    flex: 1;
  }
}