:root {
  color-scheme: light;
}

body {
  background-color: #f3f5f9;
}
@media (max-width: 1024px) {
  header {
    padding: 0;
  }

  .mobile-header-shell {
    width: 100%;
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s ease, box-shadow 0.3s ease;
        background: #ffffff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
  }

  header .scrolled .mobile-header-shell {
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1);
  }

  .logo {
    position: static;
  }

  .nav-container {
    height: auto;
    padding: 0;
    margin: 0;
    justify-content: flex-end;
  }

  main {
    margin-top: 72px;
  }

  nav ul#nav-links li.dropdown {
    width: 100%;
    position: relative;
  }

  nav ul#nav-links li.dropdown .dropdown-menu {
    position: static;
    width: 100%;
    max-width: 100%;
    min-width: 100%;
    margin: 10px 0 0 0;
    display: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 0 16px;
    background: transparent;
    white-space: normal;
    align-self: stretch;
  }

  nav ul#nav-links li.dropdown.open .dropdown-menu {
    display: block;
  }

  .text {
    padding: 12px 15px;
    font-size: 14px;
    display: block;
  }

  #nav-links {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 18px;
    background: #ffffff;
    position: fixed;
    inset: 0;
    padding: 96px 28px 40px;
    display: flex;
    border-radius: 0;
    box-shadow: none;
    align-items: flex-start;
    z-index: 1001;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
      opacity 0.5s ease,
      visibility 0s linear 0.8s;
    overflow-y: auto;
    visibility: hidden;
    pointer-events: none;
  }

  #nav-links.show {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0s;
    visibility: visible;
    pointer-events: auto;
  }

  .menu-toggle {
    display: inline-flex;
    position: static;
    z-index: 1000;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: transparent;
    touch-action: manipulation;
  }

  .menu-close {
    position: fixed;
    top: 18px;
    right: 18px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    z-index: 1002;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
  }

  body.nav-open .menu-close {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  #nav-links a {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: none;
    color: #0a0a23;
    padding: 4px 0;
  }

  .dropdown-menu a {
    font-size: 17px;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
    padding: 6px 0;
    color: #1f2937;
  }

  .line {
    display: none;
  }
}

.case-studies-section {
  padding: 20px 20px 80px 20px;
  min-height: 100vh;
}

.case-studies-container {
  max-width: 1200px;
  margin: 0 auto;
}

.case-studies-header {
  text-align: center;
  margin-bottom: 60px;
}

.case-studies-title {
  font-size: 3rem;
  font-weight: 800;
  color: #0a0a23;
  margin-bottom: 15px;
  letter-spacing: -1px;
}

.case-studies-count {
  display: inline-block;
  background: #e0f2fe;
  color: #2f6fb3;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  align-items: stretch;
}

.case-study-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #f1f5f9;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  min-height: 100%;
}

.case-study-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.case-study-image-wrap {
  position: relative;
  height: 220px;
  width: 100%;
  background-color: #e2e8f0;
  overflow: hidden;
}

.case-study-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  display: block;
}

.case-study-card:hover .case-study-image {
  transform: scale(1.05);
}

/* .case-study-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(47, 111, 179, 0.95);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
} */

.case-study-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-study-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
  line-height: 1.4;
  transition: color 0.2s;
}

.case-study-card:hover .case-study-title {
  color: #2f6fb3;
}

.case-study-excerpt {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-study-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: #3fae49;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  transition: gap 0.2s;
}

.case-study-card:hover .case-study-link {
  gap: 10px;
}

@media (max-width: 768px) {
  .case-studies-title { font-size: 2.2rem; }
  .case-studies-grid { grid-template-columns: 1fr; }
}