/* ==========================================================================
   VISUAL REDESIGN (PHASE 4: EDITORIAL & PURPOSE-DRIVEN)
   ========================================================================== */

/* ABOUT SECTION */
.about-editorial-grid {
  display: grid;
  grid-template-columns: 1fr 3fr 2fr;
  gap: 2.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}
.about-kicker-col .section-title {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
}
.about-lead {
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--color-primary);
  margin-top: 2.5rem;
  max-width: 90%;
}
.about-expertise-col {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  border-left: 1px solid var(--color-border);
  padding-left: 3rem;
}
.expertise-block h3 {
  font-size: 0.875rem;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.expertise-block p {
  font-size: 1.125rem;
  color: var(--color-primary);
  line-height: 1.4;
}

/* APPROACH SECTION */
.approach-editorial-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}
.approach-kicker-col .section-title {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
}
.approach-intro {
  margin-top: 1.5rem;
  font-size: 1.25rem;
  color: var(--color-secondary);
  max-width: 80%;
}
.approach-list-col {
  display: flex;
  flex-direction: column;
}
.approach-editorial-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: border-color 0.4s ease;
}
.approach-editorial-item:first-child {
  padding-top: 0;
}
.approach-editorial-item:hover {
  border-bottom-color: var(--color-accent);
}
.app-num {
  font-size: 1.25rem;
  color: var(--color-secondary);
  font-weight: 300;
}
.app-title {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  transition: color 0.4s ease;
}
.approach-editorial-item:hover .app-title {
  color: var(--color-accent);
}
.app-desc {
  font-size: 1.125rem;
  color: var(--color-secondary);
  line-height: 1.6;
  max-width: 90%;
}

/* ACADEMIC SECTION */
.academic-editorial-layout {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 2.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  margin-bottom: 2rem;
}
.academic-header-col .section-title {
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 0.5rem;
}
.academic-areas-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.research-area-block h3 {
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.research-area-block p {
  font-size: 1.25rem;
  color: var(--color-primary);
}

.academic-index {
  margin-top: 2rem;
}
.pub-index-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.pub-index-row:hover {
  border-bottom-color: var(--color-accent);
}
.pub-year {
  width: 80px;
  flex-shrink: 0;
  font-size: 1.125rem;
  color: var(--color-secondary);
}
.pub-core {
  flex-grow: 1;
}
.pub-title {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  transition: color 0.3s ease;
}
.pub-index-row:hover .pub-title {
  color: var(--color-accent);
}
.pub-authors {
  font-size: 1rem;
  color: var(--color-secondary);
}
.pub-meta {
  width: 250px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  text-align: right;
}
.pub-journal {
  font-size: 1rem;
  color: var(--color-primary);
}
.pub-link {
  font-size: 0.875rem;
  color: var(--color-secondary);
  transition: color 0.3s ease;
}
.pub-index-row:hover .pub-link {
  color: var(--color-accent);
}
.academic-footer {
  display: flex;
  justify-content: flex-end;
  padding-top: 3rem;
}

/* VIDEO SECTION */
.video-editorial-layout {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}
.video-header .section-title {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
  margin-bottom: 3rem;
}
.video-content-grid {
  display: grid;
  grid-template-columns: 80px 1fr 250px;
  gap: 3rem;
}
.video-year {
  font-size: 1.25rem;
  color: var(--color-secondary);
}
.video-main-title {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-top: 1.5rem;
}
.video-meta-right {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.video-speaker-info h4 {
  font-size: 0.875rem;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.video-speaker-info p {
  font-size: 1.125rem;
  color: var(--color-primary);
  line-height: 1.5;
}
.video-actions {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.share-container {
  position: relative;
}

/* FEATURES (BUKAGEM & SKYTR) */
.feature-editorial-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  margin-bottom: 3rem;
}
.feature-giant-title {
  font-size: 4rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin-top: 0.5rem;
  margin-bottom: 3rem;
}
.feature-desc-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 90%;
}
.feature-desc-box h3 {
  font-size: 1.5rem;
  color: var(--color-accent);
}
.feature-desc-box p {
  font-size: 1.25rem;
  color: var(--color-secondary);
  line-height: 1.6;
}
.feature-role-text {
  font-size: 1rem !important;
  color: var(--color-primary) !important;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
}
.skytr-block {
  grid-template-columns: 2fr 1fr;
}
.skytr-block .feature-meta-col {
  order: 2;
  border-left: 1px solid var(--color-border);
  padding-left: 4rem;
}
.skytr-block .feature-visual-col {
  order: 1;
}
.skytr-visual-col {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.02);
  padding: 4rem;
}

/* CONTACT REFINEMENT */
.contact-section {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}


/* RESPONSIVE SCALING */
@media (max-width: 1024px) {
  .about-editorial-grid, .approach-editorial-layout, .academic-editorial-layout, .feature-editorial-block {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-expertise-col {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--color-border);
    padding-top: 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .video-content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .pub-index-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .pub-meta {
    width: 100%;
    align-items: flex-start;
    text-align: left;
    flex-direction: row;
    justify-content: space-between;
  }
  .skytr-block .feature-meta-col {
    order: 1;
    border-left: none;
    padding-left: 0;
  }
  .skytr-block .feature-visual-col {
    order: 2;
  }
  .feature-giant-title {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .about-editorial-grid, .approach-editorial-layout, .academic-editorial-layout, .feature-editorial-block, .contact-section {
    padding-top: 3rem;
  }
  .about-expertise-col {
    grid-template-columns: 1fr;
  }
}

/* TIGHTEN SPACING HERO -> ABOUT */
.hero {
  padding-bottom: 2rem !important;
}
.about-section {
  padding-top: 2rem !important;
}


.hero {
  margin-bottom: 0 !important;
}
.intent-section {
  margin-bottom: 3rem;
}
.contact-section {
  margin-bottom: 0;
}

/* HEADER OFFSET FIX (SCROLL-MARGIN-TOP) */
.section {
  }

/* COMPACT INTENT SECTION */
.intent-header {
  margin-bottom: 2rem !important;
}
.intent-header .section-title {
  font-size: 2rem !important;
}
.intent-grid .intent-row {
  padding: 1.25rem 0 !important;
}
.intent-grid .intent-row h3 {
  font-size: 1.125rem !important;
}
.intent-grid .intent-row p {
  font-size: 0.875rem !important;
}

/* COMPACT INSTITUTIONS GRID */
.institutions {
  padding-top: 2rem !important;
  margin-bottom: 2rem !important;
}
.institution {
  padding: 1.5rem !important;
  gap: 1rem !important;
}

/* CONTACT SECTION COMPACTNESS */
#iletisim {
  padding-bottom: 2rem !important; 
  margin-bottom: 0 !important;
}

/* HOVER ANIMATIONS */
.featured-pub-card:hover .pub-img {
  transform: scale(1.03);
}
.pub-title-hover {
  transition: color 0.3s ease;
}
.featured-pub-card:hover .pub-title-hover {
  color: var(--color-accent) !important;
}


/* RESPONSIVE FIXES FOR NEW PUBLICATIONS GRID */
@media (max-width: 1024px) {
  .featured-pubs-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 768px) {
  .featured-pubs-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==================================================
   FINAL SPACING OVERRIDES (USER RE-QA)
================================================== */
.intent-section {
  padding-top: 1rem !important;
  margin-bottom: 2rem !important;
}
.intent-header {
  margin-bottom: 1rem !important;
}
.intent-header .section-title {
  font-size: 1.5rem !important;
}
.intent-grid .intent-row {
  padding: 1rem 0 !important;
}

.institutions {
  padding-top: 1.5rem !important;
  margin-bottom: 1rem !important;
  border-top: none !important; /* Move border down if needed, or keep clean */
}
.hero {
  padding-bottom: 1rem !important;
  margin-bottom: 0 !important;
}

/* Ensure header offsets work perfectly */
section, .section, [id] {
  }

/* Contact and Footer spacing */
#iletisim {
  padding-bottom: 2rem !important;
}

/* ==================================================
   HORIZONTAL ACADEMIC GALLERY
================================================== */
.featured-pubs-gallery {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 2rem;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge */
}
.featured-pubs-gallery::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.featured-pub-card {
  /* clamp prevents it from being too big on large screens, or too small on mobile */
  flex: 0 0 clamp(280px, 75vw, 380px);
  scroll-snap-align: start;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.pub-image-wrapper {
  overflow: hidden;
  aspect-ratio: 4/3;
  margin-bottom: 1.5rem;
  background: #111;
}

.pub-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* Editorial typographic cover fallback */
.text-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-secondary);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pub-meta {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}
.pub-meta span:first-child {
  color: var(--color-secondary);
  font-size: 0.875rem;
}
.pub-meta span:last-child {
  color: var(--color-secondary);
  font-size: 0.875rem;
  margin-left: 0.5rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--color-border);
}

.pub-title-hover {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  transition: color 0.3s ease;
}

.featured-pub-card .editorial-link {
  margin-top: auto;
  font-size: 0.875rem;
}

.featured-pub-card:hover .pub-img {
  transform: scale(1.03);
}
.featured-pub-card:hover .pub-title-hover {
  color: var(--color-accent);
}


/* Base accessibility focus offset */
.section, [id] { scroll-margin-top: var(--header-height, 88px); }

/* --- AKADEMİDEN UYGULAMAYA --- */
.applications-section { padding-block: var(--space-12) var(--space-20); }
.applications-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem 3rem;
}

.app-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  padding: 2.5rem 0 0 0;
  border-top: 1px solid var(--color-border);
  position: relative;
}

.app-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-card:hover::before {
  width: 100%;
}

.app-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.app-card-number {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
}

.app-card-category {
  font-family: var(--font-primary);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  transition: color 0.4s ease;
}

.app-card:hover .app-card-category {
  color: var(--color-text);
}

.app-card-content {
  flex-grow: 1;
}

.app-card-title {
  font-family: var(--font-primary);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.app-card-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-secondary);
  margin-bottom: 3rem;
}

.app-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.app-card-source {
  font-size: 0.875rem;
  color: var(--color-secondary);
}

.app-card-source .index-slash {
  margin-inline: 0.25rem;
}

.app-card-cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.app-card:hover .app-card-cta {
  opacity: 1;
  transform: translateX(4px);
}

@media (max-width: 1100px) {
  .applications-grid { gap: 3rem 2rem; }
}

@media (max-width: 759px) {
  .applications-grid { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .app-card { padding-top: 1.5rem; }
  .app-card-title { font-size: 1.125rem; }
  .app-card-footer { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}


/* --- KONUŞMALAR COMPOSITION --- */
.talks-composition {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 5rem;
  align-items: start;
  margin-top: 2.5rem;
}

.talks-featured-video {
  display: flex;
  flex-direction: column;
}

.talks-editorial-list {
  display: flex;
  flex-direction: column;
}

.talks-list-header {
  margin-bottom: 0.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.talks-list-header h3 {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.talk-item {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-block: 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.talk-item:last-child {
  border-bottom: none;
}

.talk-item::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.talk-item:hover {
  transform: translateX(4px);
}

.talk-item:hover::after {
  width: 100%;
}

.talk-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.talk-number {
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
}

.talk-event {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
}

.talk-title {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  transition: color 0.4s ease;
}

.talk-item:hover .talk-title {
  color: var(--color-accent);
}

.talk-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-secondary);
}

@media (max-width: 1100px) {
  .talks-composition {
    grid-template-columns: minmax(0, 1fr);
    gap: 4rem;
  }
}

@media (max-width: 759px) {
  .talks-composition { gap: 3rem; margin-top: 1.5rem; }
  .talk-item { padding-block: 1.5rem; }
  .talk-title { font-size: 1.125rem; }
}

/* --- BİRLİKTE ÜRETİYORUZ --- */
.collaboration-section {
  padding-block: var(--space-20) var(--space-12);
}

.collab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4rem 3rem;
  border-top: 1px solid var(--color-border);
}

.collab-column {
  display: flex;
  flex-direction: column;
  padding-top: 2rem;
  position: relative;
}

.collab-col-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.collab-number {
  font-family: var(--font-primary);
  font-size: 1.125rem;
  color: var(--color-accent);
  font-weight: 500;
}

.collab-label {
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
}

.collab-content {
  flex-grow: 1;
  margin-bottom: 3rem;
}

.collab-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.collab-list li {
  font-family: var(--font-primary);
  font-size: 1.125rem;
  color: var(--color-text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 1.25rem;
  transition: color 0.4s ease;
}

.collab-list li:hover {
  color: var(--color-accent);
}

.collab-list li:last-child {
  border-bottom: none;
}

.collab-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-secondary);
  margin-bottom: 2rem;
}

.collab-works {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.collab-work-item {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: 1.5rem;
  transition: border-color 0.4s ease;
}

.collab-work-item:hover {
  border-color: var(--color-accent);
}

.collab-work-link {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.collab-work-title {
  margin-block: 1.33em; /* Preserve the previous h4 spacing after semantic correction. */
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
  transition: color 0.4s ease;
}

.collab-work-link:hover .collab-work-title {
  color: var(--color-accent);
}

.collab-work-meta {
  font-size: 0.8125rem;
  color: var(--color-secondary);
}

.collab-work-cta {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  opacity: 0.7;
  transform: translateX(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
  margin-top: 0.25rem;
}

.collab-work-link:hover .collab-work-cta {
  opacity: 1;
  transform: translateX(4px);
}

.collab-identity-card {
  padding: 2rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.015);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  transition: border-color 0.4s ease, background 0.4s ease;
}
.collab-identity-card:hover {
  border-color: rgba(185, 154, 104, 0.3);
  background: rgba(255, 255, 255, 0.03);
}

.collab-id-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
}

.collab-id-value {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.collab-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 0.35rem;
  transition: color 0.4s ease, border-color 0.4s ease;
}

.collab-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

@media (max-width: 1100px) {
  .collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 759px) {
  .collab-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 4rem;
  }
}

/* --- Share inline (replaces popover trigger) --- */
.share-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  align-items: center;
}
.share-inline .share-item {
  width: auto;
  padding: 0.375rem 0;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  transition: color var(--motion-duration), border-color var(--motion-duration);
}
.share-inline .share-item:hover,
.share-inline .share-item:focus-visible {
  background: transparent;
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* --- Video Modal --- */
.video-modal {
  margin: 0;
  padding: 0;
  border: 0;
  max-width: none;
  max-height: none;
  background: transparent;
  color: inherit;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.video-modal:not([open]) { display: none; }
.video-modal::backdrop { background: transparent; }
.video-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}
.video-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.video-modal-content {
  position: relative;
  z-index: 10000;
  width: 90%;
  max-width: 1000px;
  background: #000;
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 64px rgba(0,0,0,0.8);
}
.video-modal-close {
  min-width: 44px;
  min-height: 44px;
  position: absolute;
  top: -3rem;
  right: 0;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.2s ease;
}
.video-modal-close:hover {
  color: var(--color-accent);
}
.video-modal-iframe-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
}
.video-modal-iframe-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Fix 4: Force carousel horizontal behavior */
.featured-pubs-gallery {
  display: flex !important;
  flex-wrap: nowrap !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  touch-action: pan-x pan-y;
  cursor: grab;
}
.featured-pubs-gallery:active {
  cursor: grabbing;
}
.featured-pubs-gallery::-webkit-scrollbar {
  display: none !important;
}
.featured-pub-card {
  flex-shrink: 0 !important;
}
:is(.featured-pub-card, .publication-archive-toggle):focus-visible {
  outline: none;
}
:is(.featured-pub-card, .publication-archive-toggle):focus-visible .pub-image-wrapper {
  position: relative;
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
/* A dark inner rail keeps the gold ring distinct against white paper covers. */
:is(.featured-pub-card, .publication-archive-toggle):focus-visible .pub-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 2px;
  border: 2px solid var(--color-background);
  pointer-events: none;
}

/* Local publication archive controls; existing card geometry remains unchanged. */
.publication-archive-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.publication-archive-count, .publication-archive-detail {
  color: var(--color-secondary);
  font-size: .875rem;
}
.publication-archive-controls { display: flex; gap: .5rem; }
.publication-archive-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1.5rem;
  margin-bottom: 1rem;
}
.publication-archive-button, .publication-year-navigation select {
  min-height: 44px;
  max-width: 100%;
  padding: .5rem .75rem;
  border: 1px solid var(--color-accent);
  background: var(--color-background);
  color: var(--color-accent);
  font: inherit;
  font-size: .875rem;
  cursor: pointer;
}
.publication-archive-button:hover { background: #171510; }
.publication-year-navigation { display: flex; align-items: center; gap: .75rem; }
.publication-year-navigation label { color: var(--color-secondary); font-size: .875rem; }
.publication-archive-status {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.publication-archive-controls button {
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  cursor: pointer;
}
.publication-archive-controls button:disabled { opacity: .45; cursor: default; }
.publication-archive-toggle {
  flex: 0 0 clamp(280px, 75vw, 380px);
  display: flex;
  flex-direction: column;
  scroll-snap-align: start;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.publication-archive-toggle .pub-image-wrapper {
  width: 100%;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.publication-archive-toggle .pub-title-hover { color: var(--color-accent); }
.publication-archive-toggle:hover .pub-image-wrapper { background: #171510; }
.publication-type-cover {
  padding: 1rem;
  font-size: 1.125rem;
  line-height: 1.5;
  text-align: center;
  overflow-wrap: anywhere;
}
.featured-pub-card .publication-figure { object-fit: contain; background: #fff; }
.publication-image-sources {
  color: var(--color-secondary);
  font-size: .875rem;
  overflow-wrap: anywhere;
}
.publication-image-sources summary { padding: .75rem 0; cursor: pointer; }
.publication-image-sources ul { padding-left: 1.25rem; }
.publication-image-sources li { margin-bottom: .75rem; }
.publication-image-sources a { text-decoration: underline; text-underline-offset: .2em; }


/* Keep the numbered desktop composition; reclaim reading width on small screens. */
@media (max-width: 600px) {
  .approach-editorial-item { grid-template-columns: 2rem minmax(0, 1fr); gap: 1rem; padding-block: 1.5rem; }
  .approach-editorial-item:first-child { padding-top: 0; }
  .approach-intro { max-width: 100%; font-size: 1.125rem; line-height: 1.6; }
  .app-title { font-size: 1.5rem; line-height: 1.25; margin-bottom: .75rem; }
  .app-desc { max-width: 100%; font-size: 1rem; line-height: 1.65; }
  #approach-title, #academic-title, #uygulamalar-title,
  #collaboration-title, #video-title, #features-title, #contact-title {
    font-size: clamp(1.75rem, 8.5vw, 2.25rem);
    line-height: 1.15;
    letter-spacing: -.03em;
  }
  .academic-areas-col { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
  .video-heading { flex-direction: column; align-items: flex-start; }
  .video-year { text-align: left; }
  :is(.applications-section, .collaboration-section, .video-section, .features-section, .contact-section) .section-kicker { margin-bottom: 1.5rem; }
}

/* Join the existing 36px mobile and 40px tablet scales without the old 60px spike. */
@media (min-width: 601px) and (max-width: 759px) {
  #academic-title, #uygulamalar-title, #collaboration-title, #video-title, #features-title {
    font-size: clamp(2.25rem, calc(2.5vw + 1.3125rem), 2.5rem);
  }
  #approach-title { font-size: clamp(2rem, calc(3.1875rem - 2.5vw), 2.25rem); }
}