.portfolio-page { padding: 120px 0 80px; min-height: 80vh; }
.portfolio-main { position: relative; min-height: 320px; }
.section-desc { color: var(--text-muted); margin-top: 12px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* Seçim: Fotoğraf / Website - büyük iki kart */
.portfolio-choice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 48px auto 0;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
}
.portfolio-choice.portfolio-choice--exiting {
  transform: scale(0.92);
  opacity: 0;
  pointer-events: none;
}
.portfolio-choice.portfolio-choice--hidden {
  display: none;
}
.portfolio-choice.portfolio-choice--entering {
  animation: portfolioChoiceIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes portfolioChoiceIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.portfolio-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  padding: 48px 32px;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  font-family: var(--font);
  text-align: center;
}
.portfolio-option:hover {
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 0 40px rgba(0,0,0,0.3);
  transform: translateY(-4px);
}
.portfolio-option--photo:hover {
  border-color: var(--neon-green);
  box-shadow: 0 0 32px var(--neon-green-soft);
}
.portfolio-option--website:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 0 32px var(--neon-blue-soft);
}
.portfolio-option-text {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  display: block;
}
.portfolio-option--photo .portfolio-option-text { color: var(--neon-green); }
.portfolio-option--website .portfolio-option-text { color: var(--neon-blue); }
.portfolio-option-sub {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 12px;
  font-weight: 500;
}

/* Sonuçlar: grid + geri butonu */
.portfolio-results {
  margin-top: 0;
  opacity: 0;
  transform: scale(0.96) translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.portfolio-results.portfolio-results--visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}
.portfolio-results.portfolio-results--hidden {
  display: none;
}
.portfolio-results-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.portfolio-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.portfolio-back:hover { color: var(--neon-green); }
.portfolio-back-icon { font-size: 1.2rem; }
.portfolio-results-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.portfolio-loading {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
}
.portfolio-loading.portfolio-loading--hidden { display: none; }
.portfolio-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-muted);
  padding: 48px 24px;
  font-size: 1rem;
}
.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.portfolio-card:hover {
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.portfolio-card-image {
  aspect-ratio: 16/10;
  background: var(--bg-elevated);
  overflow: hidden;
}
.portfolio-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.portfolio-card-image .portfolio-card-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.portfolio-card-image--screenshot {
  position: relative;
}
.portfolio-card-image--screenshot .portfolio-card-preview-loading,
.portfolio-card-image--screenshot .portfolio-card-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: var(--bg-elevated);
}
.portfolio-card-image--screenshot img[data-cover] {
  position: relative;
  z-index: 1;
}
.portfolio-card-body { padding: 24px; }
.portfolio-card-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neon-blue);
  margin-bottom: 8px;
}
.portfolio-card-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; }
.portfolio-card-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; }
.portfolio-card-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--neon-green);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.portfolio-card-link:hover { color: var(--neon-yellow); }
.portfolio-card-clickable { cursor: pointer; }
.portfolio-card-clickable .portfolio-card-link { pointer-events: none; }

/* Popup */
.portfolio-popup {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, visibility 0.25s;
}
.portfolio-popup.open {
  opacity: 1;
  visibility: visible;
}
.portfolio-popup-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  cursor: pointer;
}
.portfolio-popup-box {
  position: relative;
  width: 100%;
  max-width: min(1400px, 98vw);
  max-height: 96vh;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.portfolio-popup-box.portfolio-popup-website {
  width: 94vw;
  height: 92vh;
  max-width: 94vw;
  max-height: 92vh;
  padding: 0;
}
.portfolio-popup-box.portfolio-popup-website .portfolio-popup-iframe-wrap {
  flex: 1;
  min-height: 0;
  height: 100%;
}
.portfolio-popup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.portfolio-popup-title { font-size: 1.1rem; font-weight: 600; margin: 0; }
.portfolio-popup-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}
.portfolio-popup-close:hover { color: var(--text); }
.portfolio-popup-iframe-wrap {
  position: relative;
  flex: 1;
  min-height: 400px;
  height: 85vh;
  max-height: calc(96vh - 60px);
}
.portfolio-popup-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}
.portfolio-popup-screenshot-wrap {
  position: absolute;
  inset: 0;
  overflow: auto;
  background: var(--bg-elevated);
}
.portfolio-popup-screenshot-wrap img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 100%;
  object-fit: contain;
  object-position: top;
}
.portfolio-popup-screenshot-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--bg-elevated);
  color: var(--text-muted);
}
.portfolio-popup-screenshot-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent, #0af);
  border-radius: 50%;
  animation: portfolio-spin 0.8s linear infinite;
}
@keyframes portfolio-spin {
  to { transform: rotate(360deg); }
}
.portfolio-popup-blocked {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--bg-elevated);
  color: var(--text-muted);
}
.portfolio-popup-gallery-content {
  padding: 20px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  align-content: start;
  max-height: 70vh;
}
.portfolio-popup-gallery-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
  object-fit: cover;
  max-height: 280px;
}
.portfolio-popup-gallery-content video {
  width: 100%;
  border-radius: var(--radius);
  display: block;
  max-height: 280px;
  background: #000;
}

@media (max-width: 768px) {
  .portfolio-page { padding: 100px 0 60px; }
  .portfolio-choice { gap: 24px; margin-top: 40px; }
  .portfolio-option { min-height: 240px; padding: 40px 28px; }
  .portfolio-results-header { gap: 16px; margin-bottom: 24px; }
  .portfolio-grid { grid-template-columns: 1fr; gap: 20px; }
  .portfolio-popup-box { max-width: 96vw; max-height: 94vh; }
  .portfolio-popup-gallery-content { grid-template-columns: 1fr; padding: 16px; }
}

@media (max-width: 640px) {
  .portfolio-page { padding: 88px 0 48px; }
  .portfolio-choice { grid-template-columns: 1fr; gap: 20px; margin-top: 32px; }
  .portfolio-option { min-height: 200px; padding: 32px 24px; }
  .portfolio-option-text { font-size: 2.2rem; }
  .portfolio-option-sub { font-size: 0.9rem; margin-top: 8px; }
  .portfolio-results-title { font-size: 1.25rem; }
  .portfolio-grid { gap: 16px; }
}

@media (max-width: 480px) {
  .portfolio-page { padding: 80px 0 40px; }
  .portfolio-option { min-height: 180px; padding: 28px 20px; }
  .portfolio-option-text { font-size: 1.85rem; }
  .portfolio-popup-header { padding: 12px 16px; }
  .portfolio-popup-title { font-size: 1rem; }
  .portfolio-popup-gallery-content { grid-template-columns: 1fr; gap: 12px; max-height: 65vh; }
}