/*
  Ömer Faruk Kuşçu — Portfolio Styles
  Modern, responsive, accessible. Dark/light theme with CSS variables.
*/

:root {
  --bg: #0b0f14;
  --bg-alt: #0f141b;
  --text: #e6edf3;
  --muted: #9fb0c0;
  --brand: #4cc9f0;
  --brand-2: #a3ffd6;
  --card: #121923;
  --border: #1b2430;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

:root.light {
  --bg: #f7fafc;
  --bg-alt: #ffffff;
  --text: #0f1720;
  --muted: #4b5563;
  --brand: #0ea5e9;
  --brand-2: #059669;
  --card: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 6px 18px rgba(2,6,23,.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, rgba(76,201,240,.06), transparent 60%),
              radial-gradient(800px 500px at 80% 10%, rgba(163,255,214,.05), transparent 55%),
              var(--bg);
  line-height: 1.6;
}

img { 
  max-width: 100%; display: block; 
  border: 0; outline: 0;
  background-color: var(--bg-alt);
  background-image: linear-gradient(45deg, transparent 25%, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.05) 75%, transparent 75%), linear-gradient(45deg, transparent 25%, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.05) 75%, transparent 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}

img:not([src]),
img[src=""],
img[src="#"] {
  opacity: 0.3;
}

img[alt]:after { 
  content: "🖼️ " attr(alt); 
  display: block; 
  position: absolute; 
  top: 50%; left: 50%; 
  transform: translate(-50%, -50%);
  text-align: center; 
  color: var(--muted); 
  font-size: 0.9rem;
  background: var(--card);
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
}

.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: fixed; left: 1rem; top: 1rem; width: auto; height: auto; padding: .6rem .8rem;
  background: var(--brand); color: #001019; border-radius: .5rem; z-index: 1000;
}

.site-header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: .8rem 0; }
.brand { font-weight: 800; letter-spacing: .5px; color: var(--text); text-decoration: none; }

.primary-nav { display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); padding: .4rem .6rem; border-radius: .5rem; }
.nav-list { display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0; }
.nav-list a { color: var(--text); text-decoration: none; padding: .4rem .6rem; border-radius: .4rem; transition: all .3s ease; position: relative; }
.nav-list a:hover { background: var(--card); box-shadow: var(--shadow); transform: translateY(-2px); }
.nav-list a.active::after { content: ''; position: absolute; bottom: -8px; left: 50%; width: 4px; height: 4px; background: var(--brand); border-radius: 50%; transform: translateX(-50%); }

.controls { display: flex; align-items: center; gap: .6rem; }
.theme-toggle, .lang-toggle { background: none; border: 1px solid var(--border); color: var(--text); padding: .4rem .6rem; border-radius: .5rem; transition: all .3s ease; cursor: pointer; }
.theme-toggle:hover, .lang-toggle:hover { background: var(--card); transform: scale(1.05); }

.section { padding: clamp(3rem, 5vw, 5rem) 0; }
.section.alt { background: linear-gradient(180deg, transparent, color-mix(in oklab, var(--bg-alt) 94%, transparent)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.eyebrow { color: var(--brand-2); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
.lead { font-size: clamp(1.1rem, 1.5vw, 1.3rem); color: var(--brand-2); font-weight: 600; }
.sub { color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1rem; box-shadow: var(--shadow);
}
.photo-skeleton { display: grid; place-items: center; height: 280px; color: var(--muted); font-weight: 600; background:
  linear-gradient(120deg, transparent, rgba(255,255,255,.04), transparent) 0 0 / 200% 100% no-repeat, var(--card);
  animation: shimmer 2.5s infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.badge { display: inline-block; padding: .35rem .6rem; border: 1px dashed var(--border); border-radius: .5rem; color: var(--muted); margin-right: .4rem; }
.hero-badges { margin-top: 1.2rem; }

.cta-group { display: flex; gap: .8rem; margin-top: 1rem; }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1rem; border-radius: .7rem; text-decoration: none; font-weight: 600; border: 1px solid var(--border); }
.btn.primary { background: linear-gradient(135deg, var(--brand), color-mix(in oklab, var(--brand) 70%, var(--brand-2))); color: #001018; }
.btn.ghost { background: transparent; color: var(--text); }

.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--border); margin-left: .6rem; }
.timeline-card { margin-left: 1rem; margin-bottom: 1rem; }
.timeline .meta { color: var(--muted); font-size: .9rem; }

.cards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: .8rem; }
.chips { list-style: none; padding: 0; margin: .8rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.chips li { padding: .3rem .6rem; border: 1px solid var(--border); border-radius: 1rem; color: var(--muted); }

.project .tags { list-style: none; padding: 0; margin: .6rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.project .tags li { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .85rem; color: var(--brand-2); border: 1px solid var(--border); border-radius: .5rem; padding: .2rem .5rem; }

.highlight { border: 1px solid color-mix(in oklab, var(--brand) 40%, var(--border)); box-shadow: 0 10px 30px rgba(76,201,240,.15); }
.tight { margin: .4rem 0 0; padding-left: 1rem; }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
.contact-card { display: grid; grid-template-rows: auto auto auto; gap: .2rem; align-items: start; padding: 1rem; border: 1px solid var(--border); border-radius: .8rem; text-decoration: none; color: var(--text); background: var(--card); }
.contact-card:hover { transform: translateY(-2px); transition: .2s ease; }
.contact-card .icon { font-size: 1.2rem; }

/* Document Download Buttons */
.resume-cta {
  margin-top: 2rem; padding: 2rem; background: var(--card);
  border: 1px solid var(--border); border-radius: 1rem;
  text-align: center;
}

.resume-cta h3 {
  margin: 0 0 1.5rem; color: var(--brand-2);
}

.document-links {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}

.document-btn {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: white; border: none; box-shadow: 0 6px 20px rgba(76,201,240,.25);
  transition: all .3s ease;
}

.document-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 30px rgba(76,201,240,.4);
}

.document-btn .icon {
  font-size: 1.3rem; margin-right: .5rem;
}

.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); }
.footer { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.to-top { text-decoration: none; border: 1px solid var(--border); padding: .3rem .5rem; border-radius: .4rem; color: var(--text); }

/* 3D Effects & Animations */
.hero { position: relative; overflow: hidden; }

.floating-shapes {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 1;
}

.shape {
  position: absolute; border-radius: 50%; background: linear-gradient(135deg, rgba(76,201,240,.1), rgba(163,255,214,.08));
  animation: float 6s ease-in-out infinite;
}

.shape-1 {
  width: 120px; height: 120px; top: 20%; right: 10%;
  animation-delay: 0s; animation-duration: 8s;
}

.shape-2 {
  width: 80px; height: 80px; bottom: 30%; left: 15%;
  animation-delay: 2s; animation-duration: 6s;
}

.shape-3 {
  width: 60px; height: 60px; top: 60%; right: 30%;
  animation-delay: 4s; animation-duration: 10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(10px, -15px) rotate(90deg); }
  50% { transform: translate(-5px, -25px) rotate(180deg); }
  75% { transform: translate(-15px, -10px) rotate(270deg); }
}

/* Hero Photo */
.hero-photo {
  position: relative; width: 300px; height: 300px; margin: 0 auto;
  border-radius: 50%; overflow: hidden; border: 3px solid var(--brand);
  box-shadow: 0 10px 40px rgba(76, 201, 240, 0.3);
  transition: all .3s ease;
}

.hero-photo:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(76, 201, 240, 0.4);
}

.profile-image {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .3s ease;
}

.photo-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  padding: 1rem; border-radius: 0 0 50% 50%;
  opacity: 0; transition: opacity .3s ease;
}

.hero-photo:hover .photo-overlay {
  opacity: 1;
}

.hero-photo:hover .profile-image {
  transform: scale(1.1);
}

/* 3D Card Effects */
.card-3d {
  perspective: 1000px; height: 300px; position: relative;
  background: none !important; border: none !important;
}

.card-face {
  position: absolute; width: 100%; height: 100%; backface-visibility: hidden;
  border: 1px solid var(--border); border-radius: 1rem; display: flex; align-items: center; justify-content: center;
  transition: transform .6s ease; background: var(--card);
}

.card-face.back {
  transform: rotateY(180deg); background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.card-3d:hover .card-face.front { transform: rotateY(180deg); }
.card-3d:hover .card-face.back { transform: rotateY(0deg); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; width: 100%; padding: 2rem; }
.stat { text-align: center; color: white; }
.stat span { display: block; font-size: 1.5rem; font-weight: 800; }
.stat small { font-size: .8rem; opacity: .9; }

/* Floating Badges */
.badge.floating {
  animation: floatBadge 4s ease-in-out infinite;
}
.badge.floating:nth-child(1) { animation-delay: 0s; }
.badge.floating:nth-child(2) { animation-delay: 1s; }
.badge.floating:nth-child(3) { animation-delay: 2s; }

@keyframes floatBadge {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-5px) scale(1.02); }
}

/* Enhanced Card Hover Effects */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem; padding: 1rem;
  box-shadow: var(--shadow); transition: all .3s ease; position: relative; overflow: hidden;
}

.card::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(76,201,240,.1), transparent);
  transition: left .5s ease;
}

.card:hover::before { left: 100%; }
.card:hover {
  transform: translateY(-8px) rotateX(5deg);
  box-shadow: 0 20px 40px rgba(0,0,0,.2);
  border-color: var(--brand);
}

/* Media component - ensure images are visible */
.media {
  position: relative; 
  width: 100%; 
  display: block;
  overflow: hidden;
  background: var(--bg-alt); 
  border-radius: .8rem; 
  border: 1px solid var(--border);
}

.media.square { aspect-ratio: 1 / 1; }
.media.portrait { aspect-ratio: 3 / 4; }
.media.round { border-radius: 50%; aspect-ratio: 1 / 1; }

.media > img {
  width: 100%; 
  height: auto; 
  display: block; 
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.media .placeholder {
  position: absolute; 
  inset: 0; 
  display: grid; 
  place-items: center; 
  color: var(--muted);
  font-weight: 600; 
  background: repeating-conic-gradient(from 45deg, var(--card) 0% 25%, var(--bg-alt) 0% 50%);
  background-size: 20px 20px;
  z-index: 0;
}

/* Project Cards with Images */
.project {
  transform-style: preserve-3d; transition: transform .4s ease; display: flex; flex-direction: column;
}

.project-image { 
  position: relative; 
  height: 200px; 
  overflow: hidden; 
  border-radius: 1rem 1rem 0 0;
  background: var(--bg-alt);
}

.project-image .media { 
  border-radius: 1rem 1rem 0 0; 
  height: 100%; 
  width: 100%;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.project-image .media > img { 
  width: 100%; 
  height: 100%; 
  object-fit: cover; 
  transition: transform .3s ease;
  display: block;
  position: relative;
  z-index: 1;
}

.project-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(76,201,240,.8), rgba(163,255,214,.6));
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .3s ease;
  pointer-events: none;
}

.project:hover .project-overlay { 
  opacity: 1; 
  pointer-events: auto;
}
.project:hover .project-image img { transform: scale(1.1); }

.view-btn {
  background: white; color: var(--text); border: none; padding: .7rem 1.2rem;
  border-radius: .6rem; font-weight: 600; cursor: pointer;
  transform: translateY(10px); transition: transform .3s ease;
}

.project:hover .view-btn { transform: translateY(0); }

.project-content {
  flex: 1; display: flex; flex-direction: column; gap: .8rem;
}

.project:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(2deg);
}

/* Lightbox Modal */
.lightbox {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all .3s ease;
}

.lightbox.active {
  opacity: 1; visibility: visible;
}

.lightbox-backdrop {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,.8); backdrop-filter: blur(5px);
}

.lightbox-content {
  position: relative; max-width: 90vw; max-height: 90vh;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 1rem; overflow: hidden; box-shadow: var(--shadow);
  transform: scale(.9); transition: transform .3s ease;
}

.lightbox.active .lightbox-content {
  transform: scale(1);
}

.lightbox-close {
  position: absolute; top: 1rem; right: 1rem; z-index: 10;
  background: rgba(0,0,0,.5); color: white; border: none;
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; cursor: pointer; transition: background .2s ease;
}

.lightbox-close:hover { background: rgba(0,0,0,.8); }

.lightbox-body {
  display: grid; grid-template-columns: 1fr 1fr; min-height: 400px;
}

.lightbox-image {
  background: var(--bg); display: flex; align-items: center; justify-content: center;
}

.lightbox-image img {
  max-width: 100%; max-height: 100%; object-fit: contain;
}

.lightbox-info {
  padding: 2rem; display: flex; flex-direction: column; gap: 1rem;
}

.lightbox-tags {
  display: flex; flex-wrap: wrap; gap: .5rem;
}

.lightbox-tags li {
  font-family: "JetBrains Mono", monospace; font-size: .8rem;
  color: var(--brand-2); border: 1px solid var(--border);
  border-radius: .4rem; padding: .3rem .6rem;
}

.lightbox-actions {
  display: flex; gap: 1rem; margin-top: auto;
}

/* Button Enhancements */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1rem;
  border-radius: .7rem; text-decoration: none; font-weight: 600;
  border: 1px solid var(--border); transition: all .3s ease; position: relative; overflow: hidden;
}

.btn::before {
  content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0;
  background: rgba(255,255,255,.2); border-radius: 50%;
  transition: width .4s ease, height .4s ease; transform: translate(-50%, -50%);
}

.btn:hover::before { width: 300px; height: 300px; }
.btn:hover { transform: translateY(-2px) scale(1.05); }

.btn.primary {
  background: linear-gradient(135deg, var(--brand), color-mix(in oklab, var(--brand) 70%, var(--brand-2)));
  color: #001018; box-shadow: 0 8px 25px rgba(76,201,240,.3);
}

.btn.ghost { background: transparent; color: var(--text); }
.btn.ghost:hover { background: var(--card); }

/* Loading Animation */
.loading {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 9999;
  transition: opacity .5s ease, visibility .5s ease;
}

.loading.hidden { opacity: 0; visibility: hidden; }

.loader {
  width: 60px; height: 60px; border: 4px solid var(--border);
  border-top: 4px solid var(--brand); border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Section Fade-in Animation */
.section {
  padding: clamp(3rem, 5vw, 5rem) 0; opacity: 0; transform: translateY(30px);
  transition: opacity .8s ease, transform .8s ease;
}

.section.visible { opacity: 1; transform: translateY(0); }

/* CV Page Styles */
.cv-hero { padding: 2rem 0; }

.cv-header {
  display: grid; grid-template-columns: auto 1fr; gap: 2rem; align-items: center;
}

.cv-photo {
  width: 150px; height: 150px; border-radius: 50%; overflow: hidden;
  border: 3px solid var(--brand); box-shadow: var(--shadow);
}

.cv-photo img {
  width: 100%; height: 100%; object-fit: cover;
}

.cv-info h1 {
  margin: 0 0 .5rem; font-size: 2.5rem;
}

.cv-title {
  color: var(--brand-2); font-size: 1.2rem; font-weight: 600; margin: 0 0 1rem;
}

.cv-contact {
  display: flex; flex-wrap: wrap; gap: 1rem;
}

.contact-item {
  display: flex; align-items: center; gap: .5rem;
}

.contact-item .icon {
  font-size: 1.1rem;
}

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

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

.cv-section {
  display: flex; flex-direction: column; gap: 1.5rem;
}

.cv-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
  padding: 1.5rem; box-shadow: var(--shadow);
}

.cv-item.highlight {
  border-color: var(--brand); box-shadow: 0 10px 30px rgba(76,201,240,.15);
}

.cv-item-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 1rem;
}

.cv-item-header h3 {
  margin: 0; color: var(--text);
}

.cv-date {
  color: var(--muted); font-size: .9rem; white-space: nowrap;
}

.cv-details {
  margin: 0; padding-left: 1.2rem;
}

.cv-details li {
  margin-bottom: .5rem; color: var(--muted);
}

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

.award-card {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: white; padding: 1rem; border-radius: .8rem;
  text-align: center;
}

.award-card h4 {
  margin: 0 0 .5rem; font-size: 1rem;
}

.award-card p {
  margin: 0; font-size: .9rem; opacity: .9;
}

.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem;
}

.skill-category {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
  padding: 1.5rem; box-shadow: var(--shadow);
}

.skill-category h3 {
  color: var(--brand-2); margin: 0 0 1rem;
}

.skill-category ul {
  margin: 0; padding-left: 1rem;
}

.skill-category li {
  margin-bottom: .5rem; color: var(--muted);
}

.languages {
  display: flex; flex-wrap: wrap; gap: 1rem;
}

.language {
  background: var(--card); border: 1px solid var(--border); border-radius: .8rem;
  padding: 1rem 1.5rem; text-align: center; min-width: 150px;
}

.language-name {
  display: block; font-weight: 600; color: var(--text);
}

.language-level {
  display: block; font-size: .9rem; color: var(--muted); margin-top: .3rem;
}

.award-nominations {
  margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border);
}

.award-nominations h4 {
  margin: 0 0 .8rem; color: var(--brand-2);
}

.award-nominations ul {
  margin: 0; padding-left: 1rem;
}

.award-nominations li {
  margin-bottom: .4rem; color: var(--muted);
}

/* Responsive */
@media (max-width: 1200px) {
  .portfolio-item {
    grid-template-columns: 1fr; gap: 1.5rem;
  }
  
  .portfolio-images {
    justify-content: center;
  }
  
  .portfolio-images img {
    min-width: 150px; max-width: 250px;
  }
}

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  
  .shape { display: none; }
  .stats { grid-template-columns: 1fr; gap: .5rem; padding: 1rem; }
  
  .cv-header { grid-template-columns: 1fr; text-align: center; gap: 1rem; }
  .cv-photo { margin: 0 auto; }
  .cv-contact { justify-content: center; }
  .cv-item-header { flex-direction: column; align-items: stretch; }
  .skills-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr; }
  
  .portfolio-item { 
    grid-template-columns: 1fr; text-align: center; 
    padding: 1.5rem;
  }
  
  .portfolio-images { 
    margin-bottom: 1rem; flex-direction: column; align-items: center;
  }
  
  .portfolio-images .media { width: 100%; max-width: 360px; }
  .portfolio-images img { width: 100%; max-width: 360px; }
  
  .hero-photo { width: 250px; height: 250px; }
  
  .applications-grid { grid-template-columns: 1fr; }
}

/* Portfolio Page Styles */
.portfolio-hero { padding: 3rem 0; text-align: center; }
.portfolio-header h1 { margin: 0 0 1rem; }

.skills-overview {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; margin-top: 2rem;
}

.skill-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
  padding: 1.5rem; text-align: center;
}

.skill-item h3 {
  color: var(--brand-2); margin: 0 0 1rem;
}

.portfolio-section {
  display: flex; flex-direction: column; gap: 3rem; margin-top: 2rem;
}

.portfolio-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
  padding: 2rem; box-shadow: var(--shadow);
}

.portfolio-item.full-width {
  grid-template-columns: 1fr;
}

.portfolio-images {
  display: flex; gap: 1rem; flex-wrap: wrap; align-items: center;
  min-height: 200px;
}

.portfolio-images .media { 
  flex: 1; 
  min-width: 200px; 
  max-width: 300px; 
  height: 200px;
  border-radius: .8rem;
  display: block;
  position: relative;
}

.portfolio-images .media > img { 
  width: 100%; 
  height: 100%; 
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

/* Direct img fallback */
.portfolio-images > img { 
  flex: 1; 
  min-width: 200px; 
  max-width: 300px; 
  height: 200px;
  border-radius: .8rem; 
  display: block; 
  object-fit: cover;
  position: relative;
}

.portfolio-content h3 {
  margin: 0 0 1rem; color: var(--text);
}

.software-badges {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem;
}

.software-badges .badge {
  background: var(--brand); color: white; padding: .3rem .6rem;
  border-radius: .5rem; font-size: .85rem; font-weight: 600;
}

.cert-link {
  color: var(--brand); text-decoration: none; font-weight: 600;
}

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

.applications-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem; margin-top: 2rem;
}

.application-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
  overflow: hidden; box-shadow: var(--shadow); transition: transform .3s ease;
}

.application-card:hover {
  transform: translateY(-5px);
}

.application-card .media { 
  border-radius: 1rem 1rem 0 0; 
  border-bottom: 1px solid var(--border);
  height: 200px;
  width: 100%;
  display: block;
  position: relative;
}

.application-card .media > img { 
  width: 100%; 
  height: 100%; 
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

.application-card > img { 
  width: 100%; 
  height: 200px; 
  object-fit: cover; 
  display: block;
  position: relative;
}

.application-content {
  padding: 1.5rem;
}

.application-content h3 {
  margin: 0 0 1rem; color: var(--text);
}

@media (max-width: 700px) {
  .nav-toggle { display: inline-flex; }
  .nav-list { position: absolute; right: 1rem; top: 60px; background: var(--card); border: 1px solid var(--border); border-radius: .8rem; padding: .6rem; display: none; flex-direction: column; min-width: 200px; }
  .nav-list.open { display: flex; }
  
  .grid-3 { grid-template-columns: 1fr; }
  .controls { gap: .4rem; }
  .cta-group { flex-direction: column; }
  
  .lightbox-body { grid-template-columns: 1fr; }
  .lightbox-content { max-width: 95vw; max-height: 95vh; }
  
  .portfolio-images {
    flex-direction: column; gap: 0.5rem;
  }
  
  .portfolio-images img {
    width: 100%; height: 150px;
  }
  
  .applications-grid {
    grid-template-columns: 1fr;
  }
  
  .application-card img {
    height: 150px;
  }
  
  .hero-photo {
    width: 200px; height: 200px;
  }
}