/* Custom Style Enhancements */

/* Smooth page load */
body {
  animation: pageLoad 0.5s ease-in;
  font-size: 16px;
}

@keyframes pageLoad {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Certification Cards */
.cert-card {
  padding: 1.2rem;
  background: rgba(4, 51, 97, 0.03);
  border-radius: 10px;
  margin-bottom: 1rem;
  border-left: 4px solid #043361;
  transition: all 0.3s ease;
}

.cert-card:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(4, 51, 97, 0.1);
}

.cert-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.15em;
}

.cert-card p {
  margin-bottom: 0.3rem;
  line-height: 1.6;
  font-size: 15px;
}

.cert-card p:last-child {
  margin-bottom: 0;
}

@media (prefers-color-scheme: dark) {
  .cert-card {
    background: rgba(62, 183, 240, 0.08);
    border-left-color: #3eb7f0;
  }
  
  .cert-card:hover {
    box-shadow: 0 4px 12px rgba(62, 183, 240, 0.15);
  }
}

/* Education Section */
.education-item {
  margin-bottom: 1.2rem;
  padding: 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.education-item:hover {
  background: rgba(4, 51, 97, 0.02);
  transform: translateX(3px);
}

@media (prefers-color-scheme: dark) {
  .education-item:hover {
    background: rgba(62, 183, 240, 0.05);
  }
}

/* Publications Section Enhancement */
.publications-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(4, 51, 97, 0.1);
}

@media (prefers-color-scheme: dark) {
  .publications-header {
    border-bottom-color: rgba(62, 183, 240, 0.2);
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Enhanced blockquote */
blockquote {
  background: linear-gradient(135deg, rgba(4, 51, 97, 0.03) 0%, rgba(57, 204, 204, 0.03) 100%);
  border-left: 3px solid #043361;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 4px;
  font-style: italic;
}

@media (prefers-color-scheme: dark) {
  blockquote {
    background: linear-gradient(135deg, rgba(62, 183, 240, 0.05) 0%, rgba(100, 200, 255, 0.05) 100%);
    border-left-color: #3eb7f0;
  }
}

/* Link underline effect */
section a:not(.btn) {
  position: relative;
  text-decoration: none;
}

section a:not(.btn)::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: #069;
  transition: width 0.3s ease;
}

section a:not(.btn):hover::after {
  width: 100%;
}

@media (prefers-color-scheme: dark) {
  section a:not(.btn)::after {
    background-color: rgb(62, 183, 240);
  }
}

/* Code blocks enhancement */
pre {
  background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
  pre {
    background: linear-gradient(135deg, #2a2b35 0%, #25262f 100%);
    border-color: #3a3b45;
  }
}

/* Subtle page background enhancement */
body {
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, rgba(4, 51, 97, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(57, 204, 204, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

@media (prefers-color-scheme: dark) {
  body::before {
    background: radial-gradient(circle at 20% 80%, rgba(62, 183, 240, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(100, 200, 255, 0.05) 0%, transparent 50%);
  }
}

/* Table enhancement */
table {
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

th {
  background: linear-gradient(135deg, #043361 0%, #055080 100%);
  color: white !important;
  padding: 0.8rem 1rem;
  font-weight: 600;
}

td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid #e5e5e5;
}

tr:hover {
  background: rgba(4, 51, 97, 0.02);
}

@media (prefers-color-scheme: dark) {
  th {
    background: linear-gradient(135deg, #3eb7f0 0%, #2a9ad0 100%);
    color: #20212b !important;
  }
  
  td {
    border-bottom-color: #3a3b45;
  }
  
  tr:hover {
    background: rgba(62, 183, 240, 0.05);
  }
}

/* List styling */
ul, ol {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

li::marker {
  color: #043361;
  font-weight: 600;
}

@media (prefers-color-scheme: dark) {
  li::marker {
    color: #3eb7f0;
  }
}

/* Selection color */
::selection {
  background-color: rgba(4, 51, 97, 0.2);
  color: #000;
}

@media (prefers-color-scheme: dark) {
  ::selection {
    background-color: rgba(62, 183, 240, 0.3);
    color: #fff;
  }
}