.tech-tag {
    background-color: #f6f8fa;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 0.2rem 0.6rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #24292f;
    white-space: nowrap;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.tech-tag:hover {
    background-color: #eaeef2;
    border-color: #b9c1c9;
}

.tech-item {
    color: #070707;
    transition: color 0.2s ease, transform 0.2s ease;
    cursor: default;
}

.tech-item:hover {
    color: var(--bs-primary);
    transform: scale(1.05);
}

.dark-mode .tech-tag {
    background-color: #2f3b55; /* your dark blue tone */
    border-color: #4a5670;
    color: #ffffff; /* strong contrast */
}

.dark-mode .tech-tag:hover {
    background-color: #3a4766;
    border-color: #5a6785;
}

.dark-mode .tech-item {
    color: #ffffff; /* readable on dark blue */
}

.dark-mode .tech-item:hover {
    color: var(--bs-primary); /* your theme’s accent still works */
}

.value-item {
    cursor: default;
    transition: color 0.2s ease;
}

.value-icon {
    font-size: 2.2rem;
    color: #6c757d;
    transition: color 0.2s ease, transform 0.2s ease;
}

.value-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 0.5rem;
    color: #6c757d;
    transition: color 0.2s ease;
}

.value-text {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    font-size: 0.95rem;
    margin-top: 0.5rem;
    color: #6c757d;
    transition: opacity 0.3s ease, max-height 0.3s ease;
}

/* Hover effects */
.value-item:hover .value-icon,
.value-item:hover .value-title {
    color: var(--bs-primary);
    transform: scale(1.05);
}

.value-item:hover .value-text {
    opacity: 1;
    max-height: 200px; /* enough space for one sentence */
}

/* Normalize blog thumbnails */
.card-img-top {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* result cards text was too strong */
.metric-data {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
}

.project-meta .btn span.text-muted {
    margin-top: 0.5rem !important;
}

/* Load the fonts */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500&family=Fraunces:ital,wght@0,300;0,400;1,300&display=swap');

/* Section spacing + bottom border */
.research-section {
  padding: 4rem 0; /* equivalent to py-16 */
}

/* Container layout */
.research-container {
  max-width: 42rem; /* ~max-w-2xl */
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Label */
.research-label {
  font-size: 0.75rem; /* text-xs */
  font-weight: 500;   /* font-medium */
  letter-spacing: 0.15em; /* tracking-widest */
  color: #6B7280; /* muted-foreground */
  margin-bottom: 2rem; /* mb-8 */
}

/* Quote */
.research-quote {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-style: italic;
  font-size: 2.5rem; /* text-4xl */
  line-height: 1.2;  /* leading-snug */
  color: #141624;
  margin-bottom: 2rem; /* mb-8 */
}

/* Larger screens */
@media (min-width: 1024px) {
  .research-quote {
    font-size: 3rem; /* lg:text-5xl */
  }
}

/* Paragraph */
.research-text {
  font-weight: 300;
  font-size: 0.875rem; /* text-sm */
  line-height: 1.6; /* leading-relaxed */
  color: #6B7280; /* muted-foreground */
  max-width: 36rem; /* max-w-lg */
}

/* DARK MODE OVERRIDES */
.dark-mode .research-label {
  color: #d1d5db; /* soft light gray, readable on dark blue */
}

.dark-mode .research-quote {
  color: #ffffff; /* strong contrast for the main quote */
}

.dark-mode .research-text {
  color: #cbd5e1; /* slightly muted light gray for body text */
}

.challenge-soft {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.soft-panel {
  padding: 1.25rem 1.5rem;
  border-left: 4px solid #5D6BA7; /* main color */
  background: #E8ECF7; /* soft tint */
  border-radius: 0.5rem;
}

.soft-panel h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #3E4A78; /* darker structural shade */
}

.soft-panel p {
  margin: 0;
  color: #6B7280; /* neutral muted text */
  line-height: 1.55;
}

/* DARK MODE OVERRIDES */
.dark-mode .soft-panel {
  background: #2f3b55; /* deepened indigo-blue tint */
  border-left-color: #5D6BA7; /* keep your main accent */
}

.dark-mode .soft-panel h3 {
  color: #e2e8f0; /* soft light gray, readable but not harsh */
}

.dark-mode .soft-panel p {
  color: #cbd5e1; /* muted light gray for body text */
}

.stimulation-tags {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
}

.stim-tag {
  flex: 1; /* each box takes equal width */
  background: rgba(93, 107, 167, 0.12); /* subtle tint of your main color */
  border: 1px solid rgba(93, 107, 167, 0.35); /* soft border */
  color: #3E4A78; /* dark shade from your palette */
  padding: 0.75rem 0.5rem;
  border-radius: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-align: center;
}

/* DARK MODE OVERRIDES */
.dark-mode .stim-tag {
  background: rgba(93, 107, 167, 0.25); /* deeper tint for dark backgrounds */
  border-color: rgba(93, 107, 167, 0.55); /* slightly stronger border */
  color: #ffffff; /* strong contrast */
}

.dark-mode .stim-tag:hover {
  background: rgba(93, 107, 167, 0.35); /* subtle lift */
  border-color: rgba(93, 107, 167, 0.75);
}

/* Grid layout */
.connector-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

/* Two columns */
.connector-card {
  position: relative;
  flex: 1 1 calc(50% - 20px);
  border-radius: 14px;
  padding: 24px;
  min-height: 200px;
  box-shadow: 0 0 0 rgba(0,0,0,0);
  transition: all 0.25s ease;
  border-right: 6px solid transparent; /* color accent */;
  border-right-color: #5D6BA7;
  background: linear-gradient(135deg, #f7f9ff, #eef3ff);
}

/* Hover effect */
.connector-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0,0,0,0.08);
}

/* DARK MODE OVERRIDES */
.dark-mode .connector-card {
  background: linear-gradient(135deg, #2f3b55, #3a4766); /* deepened gradient */
  border-right-color: #9ea6ca; /* lighter indigo accent for contrast */
  box-shadow: none; /* avoid glowing effect on dark background */
}

.dark-mode .connector-card:hover {
  box-shadow: 0 6px 14px rgba(0,0,0,0.35); /* subtle lift */
}

.dark-mode .connector-card h3 {
  color: #e2e8f0; /* soft light gray */
}

.dark-mode .connector-card p {
  color: #cbd5e1; /* muted light gray */
}

/* Title */
.connector-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.2rem;
  font-weight: 600;
}

/* Icon in top-right corner */
.connector-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  opacity: 0.85;
}

/* Responsive: stack on mobile */
@media (max-width: 768px) {
  .connector-card {
    flex: 1 1 100%;
  }
}

.device-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.device-card {
  flex: 1 1 calc(50% - 20px);
  background: #f7f7f9;
  border-radius: 14px;
  padding: 24px;
  min-height: 280px;
  position: relative;
  box-shadow: 0 0 0 rgba(0,0,0,0);
  transition: all 0.25s ease;
}

.device-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

/* DARK MODE OVERRIDES */
.dark-mode .device-card {
  background: #2f3b55; /* deepened blue-gray tint */
  box-shadow: none; /* avoid glowing effect */
}

.dark-mode .device-card:hover {
  box-shadow: 0 8px 18px rgba(0,0,0,0.35); /* subtle lift on dark background */
}

.dark-mode .device-card h3 {
  color: #e2e8f0; /* soft light gray */
}

.dark-mode .device-card p,
.dark-mode .device-card li,
.dark-mode .device-card span {
  color: #cbd5e1; /* muted light gray for body text */
}

.device-title {
  font-size: 1.5rem;     /* smaller title */
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 12px;
}

.device-icon {
  width: 66px;
  height: 46px;
  position: absolute;
  top: 14px;
  right: 14px;
  opacity: 0.9;
}

.toggle-btn {
  margin-top: 10px;
  background: #e0e0ff;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.toggle-section {
  display: none;
  margin-top: 12px;
}

.gui-img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .device-card {
    flex: 1 1 100%;
  }
}

.resume-section-heading + .list-unstyled li {
    font-size: 0.8rem;
}

.publication {
    padding-bottom: 1rem;
    border-bottom: 1px solid #e0e0e0;
    margin-top: 2rem;
}
.publication-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}
.journal {
    font-style: italic;
}
.year {
    font-weight: bold;
}
.publication:last-child {
    border-bottom: none;
}
.dark-mode .img-bg {
    background: #ffffff;
}
/* Section spacing */
.pbi-love-section {
  margin: 2rem 0;
  color: var(--bs-body-color);
}

/* Block spacing */
.pbi-block {
  margin-bottom: 3rem;
}

/* Grid layout */
.pbi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* Single screenshot layout */
.pbi-grid.single {
  grid-template-columns: 1fr;
  max-width: 500px;
}

/* Screenshot styling */
.pbi-thumb {
  width: 100%;
  height: 225px;
  object-fit: cover; /* crops while keeping proportions */
  border-radius: 6px;
  border: 1px solid var(--bs-border-color);
  background-color: var(--bs-body-bg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

/* Caption styling */
.pbi-caption {
  font-size: 0.9rem;
  color: var(--bs-secondary-color);
  margin-top: 0.4rem;
  line-height: 1.4;
}