/* ─── Header ────────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Syne:wght@600;700;800&display=swap');

.md-header {
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  background-color: color-mix(in srgb, var(--md-default-bg-color) 97%, transparent);
  box-shadow:
    0 1px 0 0 color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent),
    0 4px 24px -4px color-mix(in srgb, var(--md-primary-fg-color) 8%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--md-primary-fg-color) 10%, transparent);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
  position: sticky;
  top: 0;
  z-index: 100;
}

.md-header:hover {
  box-shadow:
    0 1px 0 0 color-mix(in srgb, var(--md-primary-fg-color) 18%, transparent),
    0 6px 32px -4px color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
}

/* ─── Site title ─────────────────────────────────────────────────────────────── */

.md-header__title {
  font-family: 'Syne', sans-serif;
  font-size: x-large;
}

.md-header__topic {
  width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* subtle accent mark before the title */
.md-header__topic:first-child::before {
  content: '';
  flex-shrink: 0;
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--md-accent-fg-color);
  margin-right: 0.55rem;
  align-self: center;
}

/* ─── Navigation tabs ────────────────────────────────────────────────────────── */

.md-tabs {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: color-mix(in srgb, var(--md-default-bg-color) 97%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--md-primary-fg-color) 10%, transparent);
  box-shadow: 0 2px 12px -4px color-mix(in srgb, var(--md-primary-fg-color) 6%, transparent);
  position: sticky;
  top: 0;
  z-index: 99;
}

.md-tabs__link {
  font-family: 'DM Mono', monospace;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.2s ease, color 0.2s ease;
  position: relative;
}

.md-tabs__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--md-accent-fg-color);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.md-tabs__link:hover {
  opacity: 0.9;
}

.md-tabs__link:hover::after {
  transform: translateX(-50%) scaleX(0.6);
}

.md-tabs__link--active {
  opacity: 1;
  font-weight: 500;
}

.md-tabs__link--active::after {
  transform: translateX(-50%) scaleX(1);
}

/* ─── Project page layout ────────────────────────────────────────────────────── */

.project-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  margin: 1.5rem 0 2.5rem;
}

@media (max-width: 768px) {
  .project-hero {
    grid-template-columns: 1fr;
  }
}

.project-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.role-badge {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--md-accent-fg-color);
  border-radius: 3px;
  color: var(--md-accent-fg-color);
  width: fit-content;
}

.project-tagline {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
  margin: 0;
}

.project-desc {
  font-size: 1rem;
  line-height: 1.7;
  opacity: 0.85;
  margin: 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.project-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  background: var(--md-code-bg-color);
  border-radius: 3px;
  opacity: 0.8;
}

/* ─── Project gallery ──────────────────────────────────────────────────────── */

.project-gallery {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.gallery-featured {
  width: 100%;
  height: auto;
  max-height: 60vh;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--md-primary-fg-color) 12%, transparent);
  box-shadow: 0 4px 24px -4px rgba(0,0,0,0.18);
  cursor: pointer;
  transition: box-shadow 0.2s ease;
}

.gallery-featured:hover {
  box-shadow: 0 8px 32px -4px rgba(0,0,0,0.28);
}

.gallery-thumbs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--md-accent-fg-color) transparent;
}

.gallery-thumbs::-webkit-scrollbar {
  height: 3px;
}

.gallery-thumbs::-webkit-scrollbar-thumb {
  background: var(--md-accent-fg-color);
  border-radius: 2px;
}

.gallery-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 52px;
  object-fit: cover;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.65;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}

.gallery-thumb:hover {
  opacity: 1;
  border-color: var(--md-accent-fg-color);
}

/* ─── Dark mode overrides ────────────────────────────────────────────────────── */

[data-md-color-scheme="slate"] .md-header {
  background-color: color-mix(in srgb, #0d0d0d 97%, transparent);
  border-bottom-color: color-mix(in srgb, var(--md-accent-fg-color) 14%, transparent);
  box-shadow:
    0 1px 0 0 color-mix(in srgb, var(--md-accent-fg-color) 10%, transparent),
    0 4px 32px -4px rgba(0, 0, 0, 0.5);
}

[data-md-color-scheme="slate"] .md-tabs {
  background-color: color-mix(in srgb, #0d0d0d 97%, transparent);
  border-bottom-color: color-mix(in srgb, var(--md-accent-fg-color) 12%, transparent);
}