/* main.css — sidebar, filter headline, gallery grid, about, contact */

/* ── Base ── */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
}

::selection { background: var(--color-text); color: var(--color-bg); }

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: var(--sp-7) var(--sp-6);
  z-index: 100;
}

.sidebar__logo {
  display: inline-flex;
  width: 48px;
  height: 48px;
  margin-bottom: var(--sp-6);
  color: var(--color-text);
}

.sidebar__logo svg { width: 100%; height: 100%; }

.sidebar__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.nav-link {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
  transition: opacity var(--dur-fast);
}

.nav-link:hover { opacity: 0.55; }
.nav-link.is-active { opacity: 1; }

/* ── Mobile header ── */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: rgba(246, 246, 244, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--sp-5);
  z-index: 200;
}

.mobile-header__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--sp-2);
  cursor: pointer;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast);
}

/* ── Main content ── */
.main-content {
  margin-left: var(--sidebar-w);
}

/* ── Filter headline band ── */
.filter-band {
  background: var(--color-band);
  padding: var(--sp-8) var(--content-pad) var(--sp-7);
}

.filter-list {
  max-width: 1320px;
}

.filter-btn {
  display: inline;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--display-lg);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
  color: var(--color-faded);
  transition: color var(--dur-base) var(--ease-out);
}

.filter-btn::after { content: ','; }
.filter-btn:not(:last-child) { margin-right: 0.25em; }
.filter-btn:last-child::after { content: ''; }

.filter-btn:hover { color: var(--color-text-2); }
.filter-btn.is-active { color: var(--color-text); }

.filter-btn:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 4px;
}

/* ── Work grid — bento layout (desktop) ──
   One featured banner across the top, then two 2×2 squares side by side,
   and a closing row of a 2×1 wide plus two 1×1 title cards. */
.work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(6, 240px);
  grid-template-areas:
    "featured featured featured featured"
    "featured featured featured featured"
    "lg lg cold cold"
    "lg lg cold cold"
    "mak mak wide wide"
    "gifA gifA gifB gifB";
  gap: var(--sp-6);
  padding: var(--sp-9) var(--content-pad) var(--sp-10);
  max-width: 1320px;
}

.bento-featured { grid-area: featured; }
.bento-lg       { grid-area: lg; }
.bento-wide     { grid-area: wide; }
.bento-cold     { grid-area: cold; }
.bento-mak      { grid-area: mak; }
.bento-gifA     { grid-area: gifA; }
.bento-gifB     { grid-area: gifB; }

/* A category filter is active — collapse the fixed bento areas to a
   simple auto-flowing grid so hidden tiles don't leave holes behind. */
.work-grid.is-filtered {
  grid-template-rows: none;
  grid-template-areas: none;
  align-items: start;
}

.work-grid.is-filtered .bento-featured,
.work-grid.is-filtered .bento-lg,
.work-grid.is-filtered .bento-wide,
.work-grid.is-filtered .bento-cold,
.work-grid.is-filtered .bento-mak,
.work-grid.is-filtered .bento-gifA,
.work-grid.is-filtered .bento-gifB {
  grid-area: auto;
  grid-column: span 1;
}

.work-grid.is-filtered .work-item { background: none; }

.work-grid.is-filtered .work-item__media {
  position: static;
  overflow: hidden;
  background: var(--color-band);
}

.work-grid.is-filtered .work-item--square .work-item__media { aspect-ratio: 1 / 1; }
.work-grid.is-filtered .work-item--tall   .work-item__media { aspect-ratio: 4 / 5; }
.work-grid.is-filtered .work-item--wide   .work-item__media { aspect-ratio: 16 / 10; }
.work-grid.is-filtered .work-item--mini   .work-item__media { aspect-ratio: 16 / 9; width: 82%; }

.work-grid.is-filtered .badge { position: static; display: inline-block; margin-bottom: var(--sp-2); }

.work-grid.is-filtered .work-item__tags {
  position: static;
  padding: 0;
  margin-top: var(--sp-2);
}

.work-item {
  position: relative;
  display: block;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  background: var(--color-band);
}

.work-item.is-hidden { display: none; }

.work-item__media {
  position: absolute;
  inset: 0;
}

.work-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-base);
}

.work-item:hover .work-item__media img,
.work-item:focus-visible .work-item__media img { transform: scale(1.03); }

/* Persistent badge for the featured tile */
.badge {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  background: var(--color-text);
  color: var(--color-bg);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  letter-spacing: 0.04em;
  z-index: 2;
}

/* Tags — overlay at the bottom of the tile, revealed on hover */
.work-item__tags {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  padding: var(--sp-4);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  z-index: 2;
}

.work-item:hover .work-item__tags,
.work-item:focus-visible .work-item__tags {
  opacity: 1;
  transform: translateY(0);
}

.tag {
  font-size: var(--text-xs);
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: var(--sp-2);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* ── Title-card tiles (Logos, Social Media Designs) ──
   No hero image — a solid colour block with the project name in
   display type. Clicking opens the gif lightbox instead of a page. */
.work-item--title-card {
  cursor: pointer;
  border: none;
  font: inherit;
  color: inherit;
  text-align: left;
  width: 100%;
  height: 100%;
  padding: 0;
}

.work-item--title-card .work-item__media {
  display: flex;
  align-items: flex-end;
  padding: var(--sp-5);
  background: var(--color-text);
  transition: background var(--dur-base) var(--ease-out);
}

.work-item--title-card:hover .work-item__media,
.work-item--title-card:focus-visible .work-item__media {
  background: #2a2924;
}

.work-item--title-card__title {
  font-family: var(--font-display);
  font-size: var(--display-sm);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-bg);
}

.work-item--title-card__hint {
  display: block;
  margin-top: var(--sp-2);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-faded);
}

/* ── Lightbox — full-screen gif overlay ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-7);
  background: rgba(19, 19, 17, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-base) var(--ease-out), visibility 0s linear var(--dur-base);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-base) var(--ease-out), visibility 0s;
}

.lightbox__figure {
  position: relative;
  max-width: min(90vw, 900px);
  max-height: 86svh;
}

.lightbox__media img,
.lightbox__media video {
  display: block;
  max-width: 100%;
  max-height: 86svh;
  width: auto;
  height: auto;
  background: var(--color-band);
}

/* Gallery mode — several images at once, scrollable if they overflow */
.lightbox__figure--gallery {
  max-width: min(94vw, 1400px);
}

.lightbox__figure--gallery .lightbox__media {
  display: flex;
  gap: var(--sp-5);
  overflow-x: auto;
  padding-bottom: var(--sp-2);
}

.lightbox__figure--gallery .lightbox__media img,
.lightbox__figure--gallery .lightbox__media video {
  max-height: 78svh;
  width: auto;
  flex: 0 0 auto;
}

.lightbox__caption {
  margin-top: var(--sp-4);
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-bg);
}

.lightbox__close {
  position: absolute;
  top: calc(-1 * var(--sp-7));
  right: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-bg);
  cursor: pointer;
  font-size: var(--display-sm);
  line-height: 1;
}

.lightbox__close:hover { opacity: 0.7; }

/* ── Section shell (about, contact) ── */
.page-section {
  padding: var(--sp-9) var(--content-pad);
  max-width: 1320px;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 2fr;
  gap: var(--sp-7) var(--sp-8);
  align-items: start;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--display-md);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.section-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: 60ch;
}

.section-body p {
  font-size: var(--text-base);
  color: var(--color-text-2);
  line-height: 1.7;
}

.text-link {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity var(--dur-fast);
}
.text-link:hover { opacity: 0.55; }

/* ── Contact form ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  max-width: 480px;
  margin-top: var(--sp-2);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.form-row label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-2);
}

.form-row input,
.form-row textarea {
  padding: var(--sp-3) 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  transition: border-color var(--dur-fast);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-bottom-color: var(--color-text);
}

.form-row textarea { resize: vertical; min-height: 96px; }

.submit-btn {
  align-self: flex-start;
  padding: var(--sp-3) var(--sp-6);
  background: var(--color-text);
  color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.01em;
  border: none;
  cursor: pointer;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}

.submit-btn:hover { opacity: 0.85; transform: translateY(-1px); }
.submit-btn:active { transform: translateY(0); }

/* ── Footer ── */
.site-footer {
  padding: var(--sp-6) var(--content-pad);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-2);
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
/* Bento only holds at desktop widths; below this the fixed 4×6 area
   template can't reflow cleanly, so tiles fall back to a simple,
   aspect-ratio-driven grid stacked in natural document order. */
@media (max-width: 1024px) {
  .work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: none;
    grid-template-areas: none;
    column-gap: var(--sp-6);
    row-gap: var(--sp-8);
    align-items: start;
  }

  .bento-featured, .bento-lg, .bento-wide, .bento-cold, .bento-mak, .bento-gifA, .bento-gifB {
    grid-area: auto;
  }

  .work-item { background: none; }

  .work-item__media {
    position: static;
    overflow: hidden;
    background: var(--color-band);
  }

  .work-item--square .work-item__media { aspect-ratio: 1 / 1; }
  .work-item--tall   .work-item__media { aspect-ratio: 4 / 5; }
  .work-item--wide   .work-item__media { aspect-ratio: 16 / 10; }
  .work-item--mini   .work-item__media { aspect-ratio: 16 / 9; width: 82%; }

  .work-item--title-card .work-item__media {
    aspect-ratio: 1 / 1;
    background: var(--color-text);
  }

  .badge { position: static; display: inline-block; margin-bottom: var(--sp-2); }

  .work-item__tags {
    position: static;
    padding: 0;
    margin-top: var(--sp-2);
  }
}

@media (max-width: 768px) {
  .mobile-header { display: flex; }

  .sidebar {
    background: var(--color-bg);
    transform: translateX(-100%);
    transition: transform var(--dur-base) var(--ease-out);
    width: min(75vw, 280px);
    box-shadow: none;
  }
  .sidebar.is-open {
    transform: translateX(0);
    box-shadow: 0 0 0 100vmax rgba(19, 19, 17, 0.3);
  }

  .main-content { margin-left: 0; padding-top: 56px; }

  .work-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--sp-4);
    row-gap: var(--sp-7);
    padding-block: var(--sp-7) var(--sp-9);
  }

  .work-item--mini .work-item__media { width: 100%; }

  /* Tags always visible on touch */
  .work-item__tags { opacity: 1; transform: none; }

  .page-section { grid-template-columns: 1fr; gap: var(--sp-5); }
}

@media (max-width: 480px) {
  .work-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}