/* ==========================================================================
   Projects index and standalone case-study pages.

   Layout follows noemititarenco.com/projects/ (page header + card grid) and
   noemititarenco.com/projects/ember/ (centred article). Typography and palette
   stay on the portfolio's graphite / cream / brass system.
   ========================================================================== */

:root {
  --gutter: clamp(20px, 4vw, 48px);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}

body.ember-page {
  margin: 0;
  padding-left: 236px;
  padding-right: 190px;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.ember-page a {
  color: inherit;
  text-decoration: none;
}

.ember-page a:hover {
  color: var(--brass);
}

/* ---- site chrome -------------------------------------------------------- */

.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px var(--gutter);
}

.site-head .brand {
  flex: 0 0 auto;
  font: 400 24px/1.3 var(--serif);
  letter-spacing: -0.01em;
  color: var(--fg);
}

.site-head .brand:hover {
  color: var(--brass);
}

.site-head nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-left: auto;
  font: 400 13px/1.4 var(--sans);
  color: var(--muted);
}

.site-head nav a {
  color: var(--muted);
  transition: color 0.18s ease;
}

.site-head nav a:hover,
.site-head nav a[aria-current="page"] {
  color: var(--fg);
}

.site-head .site-contact {
  flex: 0 0 auto;
  font: 400 12px/1.4 var(--mono);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.site-head .site-contact:hover {
  color: var(--brass);
}

.site-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-top: 60px;
  padding: 32px var(--gutter) 48px;
  border-top: 1px solid var(--line);
  font: 400 10px/1.6 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-foot .keys {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-foot a {
  color: var(--muted);
}

.site-foot a:hover {
  color: var(--brass);
}

/* ---- left panel + on-page navigation ------------------------------------ */

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  width: 236px;
  padding: 48px 30px;
  border-right: 1px solid var(--line);
  background: var(--bg);
}

.sidebar .site-name {
  font: 400 24px/1.3 var(--serif);
  color: var(--fg);
}

.sidebar .site-name:hover {
  color: var(--brass);
}

.sidebar nav {
  display: grid;
  gap: 14px;
  margin-top: 58px;
  font: 400 14px/1.4 var(--sans);
  color: var(--muted);
}

.sidebar nav a {
  color: var(--muted);
}

.sidebar nav a:hover,
.sidebar nav a[aria-current="page"] {
  color: var(--fg);
}

.sidebar .sidebar-contact {
  margin-top: auto;
  font: 400 13px/1.4 var(--sans);
  color: var(--muted);
}

.sidebar .sidebar-contact:hover {
  color: var(--brass);
}

.toc {
  position: fixed;
  top: 80px;
  right: 30px;
  z-index: 4;
  width: 150px;
  color: var(--muted);
  font: 400 12px/1.5 var(--sans);
}

.toc > span {
  display: block;
  color: var(--faint);
  font: 500 9px/1.6 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.toc nav {
  display: grid;
  gap: 13px;
  margin-top: 20px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.toc a {
  color: var(--muted);
}

.toc a:hover,
.toc a[aria-current="location"] {
  color: var(--fg);
}

/* ---- projects index ----------------------------------------------------- */

.page {
  padding: clamp(28px, 5vw, 60px) 0 40px;
}

.shell {
  width: min(1180px, 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.shell-narrow {
  width: min(820px, 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.page-header {
  margin-bottom: 30px;
}

.page-title {
  margin: 0;
  font: 400 clamp(44px, 6vw, 72px)/1 var(--serif);
  letter-spacing: -0.015em;
  color: var(--fg);
}

.page-description {
  max-width: 62ch;
  margin: 18px 0 0;
  font: 400 17px/1.65 var(--sans);
  color: var(--muted);
}

.floppy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.floppy-grid > li {
  min-width: 0;
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-2);
  color: var(--fg);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--brass-dim);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.32);
  color: var(--fg);
}

.project-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--bg-3);
}

.project-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  filter: grayscale(0.1) saturate(0.9) brightness(0.96);
  transition: filter 0.45s ease, transform 1s ease;
}

.project-card:hover .project-thumb img {
  filter: none;
  transform: scale(1.012);
}

.project-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 24px 28px 28px;
}

.project-badge {
  margin-bottom: 10px;
  font: 500 9px/1.6 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}

.project-title {
  margin: 0 0 10px;
  font: 400 26px/1.2 var(--serif);
  letter-spacing: -0.01em;
  color: var(--fg);
}

.project-meta {
  margin: 0 0 14px;
  font: 400 10px/1.6 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-sum {
  margin: 0 0 18px;
  font: 400 15.5px/1.6 var(--sans);
  color: var(--muted);
}

.project-cta {
  margin-top: auto;
  font: 500 10px/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
}

.project-card:hover .project-cta {
  color: var(--fg);
}

/* ---- standalone case-study page ---------------------------------------- */

.study-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin: 0 0 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  font: 400 20px/1 var(--serif);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.study-back:hover {
  color: var(--brass);
  border-color: var(--brass-dim);
}

.study-back:focus-visible {
  outline: 1px solid var(--brass);
  outline-offset: 3px;
}

.ember-standalone .ember-article {
  padding-top: calc(54.5px + clamp(42px, 7.5vw, 90px));
}

.ember-standalone .ember-back {
  color: var(--fg);
  text-decoration: none;
}

.ember-standalone .ember-back:hover {
  color: var(--brass);
}

@media (max-width: 1080px) {
  body.ember-page {
    padding-right: 0;
  }

  .toc {
    display: none;
  }
}

@media (max-width: 860px) {
  body.ember-page {
    padding-left: 0;
  }

  .sidebar {
    position: static;
    width: auto;
    flex-direction: row;
    align-items: center;
    gap: 18px;
    padding: 18px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar .site-name {
    font-size: 20px;
  }

  .sidebar nav {
    display: flex;
    gap: 14px;
    margin: 0 0 0 auto;
    font-size: 12px;
  }

  .sidebar .sidebar-contact {
    display: none;
  }

  .toc {
    display: none;
  }

  .study-back {
    margin-bottom: 18px;
  }

  .ember-standalone .ember-article {
    padding-top: 83px;
  }
}

/* ---- phone -------------------------------------------------------------- */

@media (max-width: 700px) {
  .site-head {
    padding: 18px 20px;
    gap: 14px;
  }

  .site-head .brand {
    font-size: 20px;
  }

  .site-head nav {
    gap: 14px;
    font-size: 12px;
  }

  .site-head .site-contact {
    display: none;
  }

  .site-foot {
    padding: 28px 20px 40px;
  }

  .page {
    padding: 30px 0 20px;
  }

  .page-title {
    font-size: clamp(40px, 11vw, 56px);
  }

  .page-description {
    font-size: 16px;
  }

  .floppy-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .project-card-body {
    padding: 20px 22px 24px;
  }

  .project-title {
    font-size: 24px;
  }

  .ember-standalone .ember-article {
    padding-top: 83px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .project-card,
  .project-thumb img {
    transition: none;
  }
}