/*
Theme Name: Ogbonna
Theme URI: https://bradogbonna.com
Author: Brad Ogbonna
Description: Minimal image-forward portfolio theme. Full-bleed slideshow home, click-through project viewers, a Motion section, and a per-section thumbnail index.
Version: 2.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ogbonna
*/

/* ============================================================
   TOKENS — the only numbers you should need to change
   ============================================================ */

:root {
  --bg:   #FFFFFF;
  --ink:  #111111;
  --mute: #999999;
  --hair: #E5E5E5;

  --nav-h: 56px;        /* top nav height */
  --bar-h: 44px;        /* prev / next / index bar height */
  --sidebar-w: 210px;   /* project sidebar */

  /* Image scale.
     --slide-x is the breathing room on the left and right of a
     LANDSCAPE image. Lower it to make horizontals wider.
     Portrait images ignore it and run the full height of the stage. */
  --slide-x: 3vw;

  /* Index sheet grid */
  --sheet-gap-x: 14px;
  --sheet-gap-y: 14px;
  --sheet-min: 150px;

  --pad: 22px;
}

/* ============================================================
   RESET
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 2px;
}

.screen-reader-text {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--bg);
  padding: 10px 14px;
}
.skip-link:focus { left: 0; }

/* ============================================================
   TOP NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  background: var(--bg);
}

/* Over a full-bleed image the nav inverts against whatever is behind it. */
.nav.over {
  background: transparent;
  mix-blend-mode: difference;
  color: #FFFFFF;
}

.wordmark {
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-right a[aria-current="page"],
.nav-right .work[aria-current="true"] { text-decoration: underline; text-underline-offset: 3px; }

/* Work dropdown */
.work { position: relative; cursor: default; }

.work-list {
  position: absolute;
  top: 100%;
  left: 0;
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px 0 0;
  white-space: nowrap;
}
.work:hover .work-list,
.work:focus .work-list,
.work:focus-within .work-list { display: flex; }

.menu-btn { display: none; }

/* ============================================================
   VIEWER — one image at a time, used by home, projects, motion
   ============================================================ */

.viewer {
  position: relative;
  height: calc(100vh - var(--nav-h) - var(--bar-h));
  height: calc(100svh - var(--nav-h) - var(--bar-h));
  margin-top: var(--nav-h);
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 var(--slide-x);
}
.slide.on { display: flex; }

/* Portrait: full height of the stage, edge to edge vertically.
   The padding above is overridden so tall frames aren't squeezed. */
.slide.is-portrait { padding: 0; }
.slide.is-portrait img {
  height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

/* Landscape: as wide as the stage allows, minus --slide-x. */
.slide.is-landscape img,
.slide.is-square img {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Click zones — right half forward, left half back. */
.zone {
  position: absolute;
  top: 0; bottom: 0;
  width: 50%;
  z-index: 5;
  background: transparent;
}
.zone.prev { left: 0;  cursor: w-resize; }
.zone.next { right: 0; cursor: e-resize; }

/* Home slideshow runs full-bleed with no bar underneath. */
.viewer.full {
  height: 100vh;
  height: 100svh;
  margin-top: 0;
}
.viewer.full .slide.is-landscape img { max-height: 100vh; max-height: 100svh; }

/* ============================================================
   PREV / NEXT / INDEX BAR — the same on every section
   ============================================================ */

.bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 55;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 var(--pad);
  background: var(--bg);
  border-top: 1px solid var(--hair);
}

.bar-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.bar button[disabled],
.bar a[aria-disabled="true"] {
  color: var(--mute);
  cursor: default;
  pointer-events: none;
}

.bar-meta {
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 14px;
}

.bar-title { color: var(--ink); }

/* On project pages the bar clears the sidebar. */
.has-sidebar .bar { left: var(--sidebar-w); }

/* Over the full-bleed home image the bar floats. */
.bar.over {
  background: transparent;
  border-top: 0;
  mix-blend-mode: difference;
  color: #FFFFFF;
}

/* ============================================================
   INDEX SHEET — the thumbnail overlay, one per section
   ============================================================ */

.sheet {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--bg);
  overflow-y: auto;
  padding: calc(var(--nav-h) + 12px) var(--pad) calc(var(--bar-h) + 32px);
  display: none;
}
.sheet.open { display: block; }

.sheet-head {
  position: sticky;
  top: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  background: var(--bg);
}

.sheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--sheet-min), 1fr));
  gap: var(--sheet-gap-y) var(--sheet-gap-x);
  align-items: end;
}

.sheet-item {
  display: block;
  width: 100%;
  text-align: left;
}
.sheet-item img {
  width: 100%;
  height: auto;
}
.sheet-item.is-current img { outline: 1px solid var(--ink); outline-offset: 3px; }

.sheet-cap {
  display: block;
  padding-top: 6px;
  color: var(--mute);
}

/* Motion posters keep a consistent frame so the grid stays even. */
.sheet-item.motion .poster {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #EEEEEE;
  overflow: hidden;
}
.sheet-item.motion .poster img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ============================================================
   SELECT WORK — the landing grid
   ============================================================ */

.work-grid {
  margin-top: var(--nav-h);
  padding: 24px var(--pad) 80px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.work-card { position: relative; display: block; }
.work-card img { width: 100%; height: auto; }

.work-card .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 16px;
  color: #FFFFFF;
  font-weight: 700;
  opacity: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.45), rgba(0,0,0,0));
  transition: opacity 120ms linear;
}
.work-card:hover .cap,
.work-card:focus-visible .cap { opacity: 1; }

/* ============================================================
   PROJECT PAGES — persistent sidebar + viewer
   ============================================================ */

.project-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  top: var(--nav-h);
  bottom: var(--bar-h);
  left: 0;
  width: var(--sidebar-w);
  padding: 8px var(--pad) 20px;
  overflow-y: auto;
}

.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { padding: 3px 0; }
.sidebar a[aria-current="page"] { text-decoration: underline; text-underline-offset: 3px; }
.sidebar .group {
  color: var(--mute);
  padding: 16px 0 4px;
}
.sidebar .group:first-child { padding-top: 0; }

.project-main { grid-column: 2; }

/* ============================================================
   MOTION
   ============================================================ */

.motion-frame {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--slide-x);
}

.motion-embed {
  width: 100%;
  max-width: calc((100vh - var(--nav-h) - var(--bar-h)) * 16 / 9);
  aspect-ratio: 16 / 9;
  background: #000000;
}
.motion-embed iframe,
.motion-embed video {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.motion-empty {
  color: var(--mute);
  text-align: center;
  padding: 40px var(--pad);
}

/* Motion landing grid */
.motion-grid {
  margin-top: var(--nav-h);
  padding: 24px var(--pad) 80px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.motion-grid .poster {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #EEEEEE;
  overflow: hidden;
}
.motion-grid .poster img { width: 100%; height: 100%; object-fit: cover; }
.motion-grid .cap { padding-top: 8px; }
.motion-grid .client { color: var(--mute); }

/* ============================================================
   GLOBAL INDEX PAGE — the full contact sheet
   ============================================================ */

.contact-sheet {
  margin-top: var(--nav-h);
  padding: 20px var(--pad) 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--sheet-min), 1fr));
  gap: var(--sheet-gap-y) var(--sheet-gap-x);
  align-items: end;
}

/* ============================================================
   INFO
   ============================================================ */

.info-doc {
  margin-top: var(--nav-h);
  padding: 40px var(--pad) 80px;
  max-width: 62ch;
}
.info-doc h2 {
  font-size: 12px;
  font-weight: 500;
  margin: 34px 0 8px;
}
.info-doc h2:first-child { margin-top: 0; }
.info-doc p, .info-doc ul { margin: 0 0 12px; }
.info-doc ul { list-style: none; padding: 0; }
.info-doc a { text-decoration: underline; text-underline-offset: 2px; }

/* ============================================================
   MOBILE
   ============================================================ */

@media (max-width: 800px) {
  :root {
    --slide-x: 12px;
    --sheet-min: 104px;
    --pad: 14px;
  }

  .menu-btn { display: block; }

  .nav-right {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px var(--pad) 20px;
    background: var(--bg);
    color: var(--ink);
  }
  .nav.is-open .nav-right { display: flex; }
  .nav.is-open { mix-blend-mode: normal; background: var(--bg); color: var(--ink); }

  .work-list { position: static; display: flex; padding: 8px 0 0 12px; }

  .work-grid, .motion-grid { grid-template-columns: 1fr; gap: 20px; }

  /* Sidebar becomes a scrolling row of project names above the image. */
  .project-shell { display: block; }
  .project-main { grid-column: auto; }
  .sidebar {
    position: static;
    width: auto;
    margin-top: var(--nav-h);
    padding: 8px var(--pad);
    overflow-x: auto;
    white-space: nowrap;
    border-bottom: 1px solid var(--hair);
  }
  .sidebar ul { display: inline-flex; gap: 14px; }
  .sidebar .group { display: none; }
  .has-sidebar .bar { left: 0; }
  .has-sidebar .viewer { margin-top: 0; height: calc(100svh - var(--nav-h) - var(--bar-h) - 40px); }

  .bar-meta .bar-count { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}