/* Reusable UI Components */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-standard);
  border: none;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--color-label-primary);
  color: var(--color-fill-primary);
}

.btn-primary:hover {
  background: #333333;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-label-secondary);
  border: 1px solid var(--color-separator);
}

.btn-ghost:hover {
  border-color: var(--color-label-quaternary);
  color: var(--color-label-primary);
  background: var(--color-fill-secondary);
}

.btn-dark {
  background: var(--color-label-primary);
  color: var(--color-fill-primary);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
}

.btn-dark:hover {
  background: #333;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-light {
  background: var(--color-fill-secondary);
  color: var(--color-label-primary);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-separator);
}

.btn-light:hover {
  background: var(--color-fill-tertiary);
  border-color: var(--color-label-quaternary);
}

/* Project Cards */
.card {
  background: transparent;
  border-radius: 0;
  border: none;
  overflow: visible;
  transition: transform var(--duration-slow) var(--ease-out);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  position: relative;
  gap: var(--space-6);
}

.card:hover {
  transform: translateY(-4px);
}

.card-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  /* Optional: a subtle shadow on the image itself */
  /* box-shadow: var(--shadow-sm); */
}

.card-image {
  aspect-ratio: 16 / 10;
  background: var(--color-fill-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.card:hover .card-image img {
  transform: scale(1.03);
}

@media (max-width: 768px) {
  .card-image-wrapper,
  .card-image {
    border-radius: var(--radius-md);
  }
}

/* Overlay Tags */
.card-overlay-tags {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  display: flex;
  gap: var(--space-2);
  z-index: 2;
  pointer-events: none;
}

.overlay-tag {
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  letter-spacing: var(--tracking-wide);
}

/* Optional light variation for darker images */
.overlay-tag.tag-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.4);
}

/* Hover Arrow */
.card-overlay-arrow {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111;
  opacity: 0;
  transform: scale(0.8) translate(-10px, 10px);
  transition: all 0.3s var(--ease-out);
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.card:hover .card-overlay-arrow {
  opacity: 1;
  transform: scale(1) translate(0, 0);
}

/* Card Text Info Below Image */
.card-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--space-1);
  margin-top: var(--space-6);
}

.card-title-group {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.card-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-label-primary);
  margin: 0;
}

.card-separator {
  color: var(--color-label-quaternary);
  font-weight: var(--weight-medium);
}

.card-desc {
  font-size: var(--text-base);
  color: var(--color-label-tertiary);
  font-weight: var(--weight-medium);
  margin: 0;
}

.card-year {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-label-secondary);
}

@media (max-width: 768px) {
  .card-info {
    align-items: flex-start;
  }
  .card-title-group {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
  }
  .card-separator {
    display: none;
  }
  .card-desc {
    font-size: var(--text-sm);
    line-height: 1.4;
  }
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.tag--success {
  background: #D4EDDA;
  color: var(--color-success);
}

.tag--neutral {
  background: var(--color-fill-secondary);
  color: var(--color-label-secondary);
}

/* Form Elements */
input,
textarea,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-separator);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-label-primary);
  background: var(--color-fill-primary);
  transition: border-color var(--duration-fast) var(--ease-standard);
  appearance: none;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-label-secondary);
  margin-bottom: var(--space-2);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* =========================================
   EXPERIMENTAL PROJECTS
   ========================================= */
.experimental-projects {
  padding-block: var(--space-24) var(--space-32);
}

.experimental-grid {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
}

@media (min-width: 992px) {
  .experimental-grid {
    grid-template-columns: 4fr 5fr;
    gap: var(--space-20);
    align-items: center;
  }
}

.experimental-title {
  font-size: clamp(3.5rem, 5vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--color-label-primary);
  margin-bottom: var(--space-8);
}

.experimental-desc {
  font-size: var(--text-sm);
  color: var(--color-label-secondary);
  line-height: var(--leading-relaxed);
  max-width: 480px;
}

.experimental-list {
  display: flex;
  flex-direction: column;
}

.exp-item,
.exp-item:visited {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-separator);
  text-decoration: none;
  gap: var(--space-4);
  color: var(--color-label-primary);
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.exp-item:first-child {
  border-top: 1px solid var(--color-separator);
}

.exp-item:hover {
  opacity: 0.7;
}

.exp-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  flex: 1;
  min-width: 0;
}

.exp-name {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-label-primary);
  line-height: var(--leading-tight);
}

.exp-desc {
  font-size: var(--text-xs);
  color: var(--color-label-secondary);
  line-height: var(--leading-relaxed);
  margin-block: var(--space-1);
  max-width: 90%;
}

.exp-tags {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-label-tertiary);
  line-height: var(--leading-tight);
}

.exp-action {
  flex-shrink: 0;
}

.exp-action .btn-view {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--color-fill-secondary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-label-primary);
  transition: background var(--duration-fast) var(--ease-standard);
  white-space: nowrap;
}

.exp-action .btn-view svg {
  flex-shrink: 0;
}

.exp-item:hover .btn-view {
  background: #E5E5E5;
}