/* Light Theme: white background, black text */
* { box-sizing: border-box; }
html, body { height: 100%; }
:root {
  --bg: #ffffff;        /* page background (white) */
  --panel:#ffffff;      /* card / section background (white) */
  --muted:#4b5563;      /* ikincil metin (koyu gri) */
  --text:#111827;       /* ana metin (siyah ton) */
  --brand:#111111;      /* vurgu (siyah) */
  --brand-2:#111111;    /* alternatif vurgu */
  --border: #e5e7eb;    /* border (light gray) */
  --shadow: 0 10px 30px rgba(0,0,0,.08);
  --max: 1200px;
}

body {
  margin:0;
  font: 16px/1.6 "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--text); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width:100%; display:block; }
.container { width:100%; max-width: var(--max); margin:0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section-head { text-align:center; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(22px, 3vw, 32px); margin: 0 0 8px; }
.section-head p { color: var(--muted); margin:0; }

/* Responsive embedded video (16:9) */
.video-embed {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 8px auto 40px;
  border-radius: 12px;
  overflow: hidden;
  background: #0f0f0f;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* file:// fallback: no embed, link to YouTube with poster-style panel */
.video-embed-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background:
    linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)),
    url("https://i.ytimg.com/vi/mMfIvNWwX2A/hqdefault.jpg") center / cover no-repeat;
  box-sizing: border-box;
}
.video-embed-fallback:hover {
  text-decoration: none;
  filter: brightness(1.06);
}
.video-embed-fallback-label {
  font-weight: 700;
  font-size: clamp(1.05rem, 2.5vw, 1.35rem);
}
.video-embed-fallback-hint {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.9);
  max-width: 36em;
}
.video-embed-fallback-hint code {
  font-size: 0.92em;
  background: rgba(255, 255, 255, 0.12);
  padding: 2px 6px;
  border-radius: 4px;
}

.video-embed-note {
  max-width: 960px;
  margin: 12px auto 40px;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

.video-embed-note a {
  color: var(--brand);
  font-weight: 500;
}

@supports not (aspect-ratio: 16 / 9) {
  .video-embed {
    height: 0;
    padding-bottom: 56.25%;
    aspect-ratio: auto;
  }
}

.btn {
  display:inline-block; background: var(--brand); color:#ffffff;
  padding:10px 16px; border-radius: 10px; font-weight:600; border:1px solid transparent;
  box-shadow: var(--shadow); transition:.2s transform, .2s box-shadow;
}
.btn:hover { transform: translateY(-1px); text-decoration:none; }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }

.checklist { list-style:none; padding:0; margin:12px 0 0; }
.checklist li { position:relative; padding-left:28px; margin:8px 0; }
.checklist li::before { content:"✔"; position:absolute; left:0; top:0; color:var(--text); }

/* Header */
.site-header {
  position: sticky; top:0; z-index: 20;
  background: #ffffff; backdrop-filter: saturate(100%);
  border-bottom:1px solid var(--border);
}
.header-inner { display:flex; align-items:center; justify-content: space-between; height:64px; }
.logo { font-weight:800; letter-spacing:.3px; font-size: 20px; color: var(--text); }
.logo span { color: var(--text); }
.nav ul { display:flex; gap: 18px; align-items:center; margin:0; padding:0; list-style:none; }
.nav a { color: var(--text); opacity:.9; }
.nav a:hover, .nav a.active { opacity:1; }

.nav-toggle {
  display:none; width:42px; height:36px; background:transparent;
  border:1px solid var(--border); border-radius:8px; align-items:center; justify-content:center;
}
.nav-toggle .bar{ display:block; width:22px; height:2px; background:var(--text); margin:3px 0; }

@media (max-width: 900px){
  .nav-toggle{ display:flex; }
  .nav {
    position: fixed; inset:64px 0 auto 0; background: var(--panel);
    border-bottom:1px solid var(--border);
    transform: translateY(-120%); transition:.25s;
  }
  .nav.open { transform: translateY(0); }
  .nav ul { flex-direction: column; gap:0; }
  .nav li { border-top:1px solid var(--border); }
  .nav a { display:block; padding:14px 20px; }
}

/* Hero Section */
.hero { 
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: clamp(32px, 6vw, 64px);
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: clamp(18px, 3vw, 24px);
  color: var(--muted);
  margin: 0 0 16px;
}

.hero-description {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text);
  margin: 0 0 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features */
.features-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; }
.feature { background: var(--panel); border:1px solid var(--border); border-radius: 14px; padding:18px; box-shadow: var(--shadow); }
.feature h3 { margin:10px 0 6px; font-size:18px; }
.feature svg { fill: var(--text); }
@media (max-width:900px){ .features-grid{ grid-template-columns:1fr; } }

/* Card grid — alternate layout */
.card-grid { 
  display: grid; 
  grid-template-columns: 1fr; 
  gap: 48px; 
}

.card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--panel);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,.12);
}

/* Alternate rows — every second card reversed */
.card:nth-child(even) {
  direction: rtl;
}

.card:nth-child(even) > * {
  direction: ltr;
}

.card-media {
  position: relative;
  height: 420px;
  background: #f3f4f6;
  overflow: hidden;
  border-radius: 16px;
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
}

.card:nth-child(even) .card-media {
  transform: rotate(2deg);
}

.card:hover .card-media {
  transform: rotate(0deg) scale(1.02);
}

.card:nth-child(even):hover .card-media {
  transform: rotate(0deg) scale(1.02);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-media img {
  transform: scale(1.05);
}

.card-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.3;
  color: var(--text);
}

.card-excerpt {
  color: var(--muted);
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.7;
}

.card-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.card .btn {
  align-self: flex-start;
  margin: 0;
}

/* Variants */
.card:nth-child(3n+1) .card-media {
  transform: rotate(-1.5deg);
}

.card:nth-child(3n+2) .card-media {
  transform: rotate(1.5deg);
}

.card:nth-child(3n+3) .card-media {
  transform: rotate(-2.5deg);
}

.card:nth-child(3n+1):hover .card-media,
.card:nth-child(3n+2):hover .card-media,
.card:nth-child(3n+3):hover .card-media {
  transform: rotate(0deg) scale(1.02);
}

/* Responsive breakpoints */
@media (max-width: 900px) {
  .card-grid {
    gap: 32px;
  }
  
  .card {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .card:nth-child(even) {
    direction: ltr;
  }
  
  .card-media {
    height: 280px;
    transform: rotate(0deg) !important;
  }
  
  .card-body {
    padding: 24px;
  }
  
  .card-title {
    font-size: 24px;
  }
}

/* About */
.about-grid { display:grid; grid-template-columns: 1.2fr .8fr; gap:22px; align-items:center; }
.about-media img { border-radius: 16px; box-shadow: var(--shadow); border:1px solid var(--border); }
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; } }

/* CV / About Page Styles */
.cv-container {
  max-width: 1000px;
  margin: 0 auto;
}

.cv-header {
  margin-bottom: 48px;
}

.cv-profile {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
  padding: 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.cv-profile-image {
  position: relative;
}

.cv-profile-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
  border: 3px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  display: block;
}

.cv-profile-image img[src=""],
.cv-profile-image img:not([src]) {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.cv-profile-info h1 {
  font-size: 36px;
  margin: 0 0 12px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.cv-location {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 24px;
}

.cv-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
}

.contact-icon {
  font-size: 20px;
  width: 28px;
  text-align: center;
}

.contact-item a {
  color: var(--text);
  text-decoration: none;
}

.contact-item a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.social-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  text-decoration: none;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.social-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.social-icon:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,.2);
}

.cv-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.cv-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.cv-section-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 32px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--brand);
  letter-spacing: -0.5px;
}

/* Research & Scholarly Work — spaced heading */
.cv-heading-tracked {
  font-size: clamp(14px, 2.8vw, 18px);
  font-weight: 700;
  margin: 0 0 12px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--brand);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  line-height: 1.5;
  color: var(--text);
}

.cv-heading-tracked__line {
  display: block;
}

.cv-heading-tracked__line + .cv-heading-tracked__line {
  margin-top: 0.35em;
}

.cv-heading-tracked--after-title {
  margin-top: 8px;
  margin-bottom: 24px;
}

.cv-grid-cert-social {
  margin-bottom: 4px;
}

.cv-grid-research {
  margin-top: 0;
}

.cv-grid-research:empty {
  min-height: 0;
}

.cv-medium-author-card .btn-medium-profile {
  margin-top: 16px;
}

.cv-research-paper-title {
  font-size: 15px;
  line-height: 1.55;
  margin-bottom: 16px;
}

@media (max-width: 520px) {
  .cv-heading-tracked {
    letter-spacing: 0.28em;
    font-size: clamp(11px, 3.5vw, 15px);
  }
}

.cv-timeline {
  position: relative;
  padding-left: 32px;
}

.cv-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 16px;
  height: 16px;
  background: var(--brand);
  border: 3px solid var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--border);
}

.timeline-content h3 {
  font-size: 22px;
  margin: 0 0 8px;
  font-weight: 600;
}

.timeline-location {
  color: var(--muted);
  font-style: italic;
  margin: 0 0 8px;
  font-size: 15px;
}

.timeline-description {
  margin: 0;
  line-height: 1.7;
}

.cv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.cv-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.cv-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
  border-color: var(--brand);
}

.cv-card h3 {
  font-size: 20px;
  margin: 0 0 8px;
  font-weight: 600;
}

.cv-card-subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 12px;
  font-weight: 500;
}

.cv-card p {
  margin: 0 0 16px;
  line-height: 1.6;
  color: var(--text);
}

.cv-link {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cv-link:hover {
  text-decoration: underline;
}

.cv-achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.achievement-item {
  display: flex;
  align-items: start;
  gap: 16px;
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.achievement-icon {
  font-size: 32px;
  line-height: 1;
  flex-shrink: 0;
}

.achievement-item h3 {
  font-size: 18px;
  margin: 0 0 4px;
  font-weight: 600;
}

.achievement-item p {
  margin: 0;
  color: var(--muted);
}

.cv-images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.cv-section:has(.cv-grid) .cv-images-grid {
  margin-top: 32px;
}

.cv-image-link {
  position: relative;
  display: block;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: transform 0.3s ease;
}

.cv-image-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.cv-image-link img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: var(--bg);
}

.cv-image-link img[src=""],
.cv-image-link img:not([src]) {
  background: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
}

.cv-image-link span {
  display: block;
  padding: 12px;
  background: var(--panel);
  color: var(--text);
  font-weight: 500;
  text-align: center;
  font-size: 14px;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-tag {
  display: inline-block;
  padding: 10px 20px;
  background: var(--brand);
  color: #ffffff;
  border-radius: 24px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,.1);
}

@media (max-width: 768px) {
  .cv-profile {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .cv-profile-image {
    margin: 0 auto;
    max-width: 200px;
  }
  
  .cv-contact {
    align-items: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .cv-timeline {
    padding-left: 24px;
  }
  
  .timeline-marker {
    left: -20px;
  }
  
  .cv-grid,
  .cv-achievements,
  .cv-images-grid {
    grid-template-columns: 1fr;
  }
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.skill-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.2s ease;
}

.skill-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.12);
}

.skill-item h3 {
  font-size: 20px;
  margin: 0 0 12px;
  color: var(--brand);
}

.skill-item p {
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

.content-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.category-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,.12);
}

.category-card h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.category-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.category-card h3 a:hover {
  color: var(--brand);
  text-decoration: underline;
}

.category-card p {
  color: var(--muted);
  margin: 0;
}

/* Detay */
.breadcrumb { display:flex; gap:8px; align-items:center; color:var(--muted); font-size:14px; margin-bottom:12px; }
.detail-head h1 { margin:0 0 6px; }
.detail-meta { color:var(--muted); }
.detail-cover { margin: 14px 0 16px; }
.detail-cover img { width:100%; border-radius: 14px; border:1px solid var(--border); box-shadow: var(--shadow); }
.detail-content p { margin: 0 0 14px; }
.detail-actions { margin-top: 16px; }

/* Text content blocks */
.text-content-section { margin: 24px 0; }
.text-content-section h2 { font-size: 22px; margin: 0 0 16px; color: var(--text); }
.text-content { 
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow);
  line-height: 1.8;
}
.text-content p { 
  margin: 0 0 14px; 
  color: var(--text);
}
.text-content p:last-child { margin-bottom: 0; }

/* Dosya Galerisi */
.files-section { margin: 24px 0; }
.files-section h2 { font-size: 22px; margin: 0 0 16px; color: var(--text); }
.files-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.file-item { 
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.file-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,.12);
}
.file-link {
  display: block;
  text-decoration: none;
  color: var(--text);
}
.file-image {
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
}
.file-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.file-image .file-link {
  display: block;
  width: 100%;
  height: 100%;
}
.file-image .file-name {
  display: none; /* Hide filenames — show images only */
}
.file-document {
  padding: 12px 16px;
}
.file-document .file-link {
  display: flex;
  align-items: center;
  gap: 12px;
}
.file-icon {
  font-size: 24px;
  flex-shrink: 0;
}
.file-document .file-name {
  flex: 1;
  font-size: 14px;
  word-break: break-word;
  color: var(--text);
}
.files-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

@media (max-width: 900px) {
  .files-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
  }
}
@media (max-width: 600px) {
  .files-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Footer */
.site-footer { border-top:1px solid var(--border); background: var(--panel); margin-top: 42px; }
.footer-grid { display:grid; grid-template-columns: 1.2fr .8fr .8fr; gap:16px; padding:28px 0; }
.footer-grid h4 { margin:0 0 10px; }
.footer-grid ul { list-style:none; padding:0; margin:0; }
.footer-copy { text-align:center; border-top:1px solid var(--border); padding:10px; color:var(--muted); }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr; } }

/* Image Lightbox / Gallery Popup */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: lightboxFadeIn 0.3s ease forwards;
}

@keyframes lightboxFadeIn {
  to { opacity: 1; }
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  color: #ffffff;
  margin-top: 16px;
  font-size: 16px;
  text-align: center;
  max-width: 80vw;
  padding: 0 20px;
}

.lightbox-counter {
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
  font-size: 14px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10001;
  backdrop-filter: blur(10px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.lightbox-close {
  top: 20px;
  right: 20px;
  font-size: 36px;
  line-height: 1;
  padding: 0;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: 40px;
  font-weight: bold;
  line-height: 1;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

@media (max-width: 768px) {
  .lightbox-close,
  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }
  
  .lightbox-close {
    top: 10px;
    right: 10px;
    font-size: 28px;
  }
  
  .lightbox-prev {
    left: 10px;
  }
  
  .lightbox-next {
    right: 10px;
  }
  
  .lightbox-content img {
    max-height: 80vh;
  }
  
  .lightbox-caption {
    font-size: 14px;
    margin-top: 12px;
  }
}