/* ── Components — Header, Projects, Footer ── */

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 100;
  background: rgba(242, 240, 235, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color 0.3s;
}

/* Horizontal dashed divider line under header */
.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 1px;
  background: var(--dash-h);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent);
  pointer-events: none;
}

.header-row {
  width: 100%;
  max-width: var(--col-wide);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem var(--pad-outer);
}

.header-brand {
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: opacity 0.2s ease;
}

.header-brand:hover {
  opacity: 0.6;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header-nav a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--ink);
  transition: opacity 0.2s ease;
  position: relative;
}

.header-nav a:hover,
.header-nav a.is-active {
  opacity: 0.55;
}

/* Language toggle */
.lang-toggle {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--border-solid);
  border-radius: 4px;
  background: transparent;
  transition: all 0.2s;
  cursor: pointer;
  user-select: none;
}

.lang-toggle:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* Hamburger */
.header-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin: -8px;
}

.header-burger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.3s var(--ease-out);
}

.header-burger.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.header-burger.is-open span:nth-child(2) {
  opacity: 0;
}
.header-burger.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--bg);
  z-index: 99;
  padding: 5rem 2rem 2rem;
  transform: translateX(100%);
  transition: transform 0.45s var(--ease-drift);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer a {
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  padding: 0.5rem 0;
  display: block;
  transition: color 0.15s;
}

.mobile-drawer a:hover {
  color: var(--ink-soft);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero-headline {
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--ink);
  max-width: 100%;
  width: 100%;
}

.hero-stack {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: none;
}

.hero-stack > div:first-child {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
}

.hero-work-label {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.hero-work-years {
  font-size: var(--text-base);
  color: var(--ink-faint);
  margin-left: 0;
}

.hero-scroll-hint {
  font-size: var(--text-xs);
  color: var(--ink-faint);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-scroll-hint .arrow {
  display: inline-block;
  animation: bounceDown 1.5s var(--ease-drift) infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* ═══════════════════════════════════════════
   NEKO LANDING PET (Autonomous Pixel Cat)
   ═══════════════════════════════════════════ */
.neko-cat {
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 72px;
  z-index: 10;
  pointer-events: auto;
  cursor: grab;
  user-select: none;
  touch-action: none;
}

.neko-cat:active,
.neko-cat.is-dragging {
  cursor: grabbing;
}

.neko-cat img {
  width: 72px;
  height: 72px;
  display: block;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.neko-cat.is-dragging img {
  filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.28));
  transform: scale(1.12);
}

.neko-cat.is-petted img {
  animation: nekoPetBounce 0.35s ease;
}

@keyframes nekoPetBounce {
  0%, 100% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.15) translateY(-4px); }
}

/* ═══════════════════════════════════════════
   PROJECT CARDS (der-lukas style)
   ═══════════════════════════════════════════ */
.work-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: var(--space-lg);
}

.work-heading__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.work-heading__count {
  font-size: var(--text-xs);
  color: var(--ink-faint);
}

/* Project article */
.project {
  margin-bottom: 0;
  position: relative;
}

.project + .project {
  margin-top: clamp(2rem, 4vh, 4rem);
}

/* Project bar */
.project-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--border-solid);
  cursor: default;
}

.project-year {
  font-size: var(--text-xs);
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.project-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.project-category {
  font-size: var(--text-xs);
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-name-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Project content - 2 column (Sticky left, scrolling gallery right) */
.project-content {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  padding: clamp(2rem, 3.5vh, 3.5rem) 0 clamp(3rem, 6vh, 6rem);
  align-items: start;
}

/* Project info (left column - Sticky in 1 viewport) */
.project-info {
  position: sticky;
  top: calc(52px + 2rem);
  display: flex;
  flex-direction: column;
  align-self: start;
  padding-right: clamp(0.5rem, 2vw, 2rem);
}

.project-title {
  font-size: clamp(2.25rem, 3.4vw, 3.75rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: clamp(1.25rem, 2vh, 1.75rem);
  color: var(--ink);
}

.project-description {
  font-size: clamp(1.05rem, 1.3vw, 1.35rem);
  color: var(--ink);
  line-height: 1.48;
  margin-bottom: clamp(1.5rem, 2.5vh, 2.5rem);
}

.project-description p {
  color: var(--ink);
}

.project-description p + p {
  margin-top: 1rem;
}

/* Project metadata (Table seamlessly connected under description) */
.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0;
  border-bottom: 1px solid var(--hairline);
}

.meta-row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--hairline);
  font-size: clamp(0.9rem, 1.05vw, 1.05rem);
  line-height: 1.4;
}

.meta-row dt {
  color: var(--ink-faint);
  font-weight: 400;
}

.meta-row dd {
  color: var(--ink);
  font-weight: 400;
}

.meta-row dd a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity 0.15s;
}

.meta-row dd a:hover {
  opacity: 0.6;
}

/* Project media (right column) */
.project-media {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 2.5vw, 2.5rem);
}

.project-media img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  transition: transform 0.5s var(--ease-drift);
  background: var(--bg-alt);
}

.project-media img:hover {
  transform: scale(1.012);
}

/* ═══════════════════════════════════════════
   OTHER PROJECTS
   ═══════════════════════════════════════════ */
.other-heading {
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

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

.other-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: var(--space-sm) 0;
  border-top: 1px dashed var(--border-solid);
  transition: background-color 0.2s;
}

.other-item:last-child {
  border-bottom: 1px dashed var(--border-solid);
}

.other-item__name {
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  transition: color 0.15s;
}

.other-item:hover .other-item__name {
  color: var(--ink-soft);
}

.other-item__type {
  font-size: var(--text-xs);
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-solid);
  border-radius: 4px;
}

.other-item__arrow {
  width: 20px;
  height: 20px;
  color: var(--ink-faint);
  transition: transform 0.3s var(--ease-out), color 0.2s;
}

.other-item:hover .other-item__arrow {
  transform: translateX(4px);
  color: var(--ink);
}

.other-item__desc {
  grid-column: 1 / -1;
  font-size: var(--text-xs);
  color: var(--ink-faint);
  line-height: 1.5;
  padding-bottom: 0.25rem;
}

/* ═══════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.about-title {
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.about-text {
  font-size: var(--text-base);
  color: var(--ink-soft);
  line-height: 1.7;
}

.about-text p + p {
  margin-top: 1em;
}

.about-skills {
  margin-top: var(--space-lg);
}

.about-skills__title {
  font-size: var(--text-xs);
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.about-skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tag {
  font-size: var(--text-xs);
  color: var(--ink-soft);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-solid);
  border-radius: 4px;
  transition: all 0.2s;
}

.skill-tag:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* About sidebar info */
.about-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-top: 0.5rem;
}

.about-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.about-detail__label {
  font-size: var(--text-xs);
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about-detail__value {
  font-size: var(--text-sm);
  color: var(--ink);
  font-weight: 400;
}

.about-detail__value a {
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity 0.15s;
}

.about-detail__value a:hover {
  opacity: 0.6;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.site-footer {
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-inner {
  width: var(--col);
  margin-inline: auto;
  padding-inline: var(--pad-outer);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.15s;
  position: relative;
}

.footer-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 0.3s var(--ease-out);
}

.footer-link:hover {
  color: var(--ink);
}

.footer-link:hover::after {
  width: 100%;
}

.footer-link svg {
  width: 14px;
  height: 14px;
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--ink-faint);
}