/* ==========================================================================
   Projects Page — Two-Column Magazine Layout
   Brand: #294557 primary, #333333 accent, Inter, Phosphor Fill
   
   WCAG AAA Contrast Compliance:
   All text colors meet 7:1 ratio on their respective backgrounds.
   Colors audited against both #FFFFFF and #FAFBFC.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --projects-primary: #294557;
  --projects-primary-light: #345A72;
  --projects-primary-muted: #355B73;  /* AAA 7.25:1 on white, 7.00:1 on bg */
  --projects-accent: #333333;
  --projects-slate: #414C5D;          /* AAA 8.69:1 on white, 7.05:1 on border */
  --projects-slate-light: #4E5763;    /* AAA 7.32:1 on white, 7.07:1 on bg */
  --projects-bg: #FAFBFC;
  --projects-white: #FFFFFF;
  --projects-border: #E2E8F0;
  --projects-border-light: #F1F5F9;
  --projects-text: #1E293B;
  --projects-text-muted: #4A5769;     /* AAA 7.35:1 on white, 7.09:1 on bg */
  --projects-radius: 14px;
  --projects-radius-sm: 10px;
  --projects-radius-xs: 8px;
}

/* ---------- Layout ---------- */
.projects-page {
  background: var(--projects-bg);
  min-height: 100vh;
}

.projects-layout {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 900px) {
  .projects-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* ---------- Sidebar ---------- */
.projects-sidebar {
  position: sticky;
  top: 5rem; /* below header */
  padding-top: 4.5rem;
  padding-bottom: 5rem;
}

@media (max-width: 900px) {
  .projects-sidebar {
    position: static;
    padding-top: 2.5rem;
    padding-bottom: 1.5rem;
  }
}

/* Sidebar: Header */
.projects-sidebar__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--projects-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.projects-sidebar__eyebrow i {
  font-size: 0.8125rem;
}

.projects-sidebar__title {
  font-family: 'Inter', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--projects-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.875rem;
}

.projects-sidebar__description {
  font-size: 0.9375rem;
  color: var(--projects-text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

/* Sidebar: Filters */
.projects-sidebar__filters {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 2rem;
}

.projects-filter {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--projects-radius-sm);
  border: none;
  background: transparent;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--projects-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
  width: 100%;
}

.projects-filter:hover {
  background: rgba(41, 69, 87, 0.04);
  color: var(--projects-primary);
}

.projects-filter:focus-visible {
  outline: 2px solid var(--projects-primary);
  outline-offset: 2px;
}

.projects-filter.is-active {
  background: rgba(41, 69, 87, 0.06);
  color: var(--projects-primary);
}

.projects-filter i {
  font-size: 1rem;
  opacity: 0.5;
  transition: opacity 0.15s ease;
}

.projects-filter.is-active i,
.projects-filter:hover i {
  opacity: 1;
}

.projects-filter__label {
  flex: 1;
}

.projects-filter__count {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.0625rem 0.5rem;
  border-radius: 0.375rem;
  background: var(--projects-bg);
  color: var(--projects-slate-light);
  transition: all 0.15s ease;
}

.projects-filter.is-active .projects-filter__count {
  background: rgba(41, 69, 87, 0.08);
  color: var(--projects-primary);
}

/* Sidebar: Stats */
.projects-sidebar__stats {
  padding: 1.25rem;
  background: var(--projects-white);
  border-radius: 0.75rem;
  border: 1px solid var(--projects-border);
  margin-bottom: 1.25rem;
}

.projects-sidebar__stats-heading {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--projects-slate-light);
  margin-bottom: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.projects-sidebar__stats-heading i {
  font-size: 0.75rem;
}

.projects-sidebar__stat-list {
  margin: 0;
  padding: 0;
}

.projects-sidebar__stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--projects-border-light);
}

.projects-sidebar__stat:last-child {
  border-bottom: none;
}

.projects-sidebar__stat dt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--projects-text-muted);
}

.projects-sidebar__stat dt i {
  font-size: 0.8125rem;
  color: var(--projects-slate-light);
}

.projects-sidebar__stat dd {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--projects-primary);
  margin: 0;
}

/* Sidebar: CTA */
.projects-sidebar__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.125rem;
  border-radius: var(--projects-radius-sm);
  background: var(--projects-primary);
  color: var(--projects-white);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}

.projects-sidebar__cta:hover {
  background: var(--projects-primary-light);
}

.projects-sidebar__cta:focus-visible {
  outline: 2px solid var(--projects-primary);
  outline-offset: 2px;
}

.projects-sidebar__cta i {
  font-size: 1rem;
}

/* ---------- Content column ---------- */
.projects-content {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .projects-content {
    padding-top: 1rem;
  }
}

/* Empty state */
.projects-empty {
  text-align: center;
  padding: 3.75rem 0;
  color: var(--projects-slate-light);
}

.projects-empty i {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
  opacity: 0.4;
}

.projects-empty p {
  font-size: 0.9375rem;
}

/* ---------- Project Card ---------- */
.project-card {
  background: var(--projects-white);
  border: 1px solid var(--projects-border);
  border-radius: var(--projects-radius);
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  box-shadow: 0 6px 28px rgba(41, 69, 87, 0.07);
  border-color: rgba(41, 69, 87, 0.15);
}

.project-card:focus-within {
  outline: 2px solid var(--projects-primary);
  outline-offset: 2px;
}

.project-card__inner {
  padding: 1.75rem;
}

/* Card: Meta top */
.project-card__meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-card__meta-left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.project-card__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--projects-radius-xs);
  background: rgba(41, 69, 87, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.project-card__icon i {
  font-size: 1rem;
  color: var(--projects-primary);
}

.project-card__meta-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.project-card__category {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--projects-primary);
  line-height: 1.2;
  margin: 0;
  padding: 0;
}

.project-card__client {
  font-size: 0.75rem;
  color: var(--projects-slate-light);
  line-height: 1.2;
  margin: 0.125rem 0 0 0;
  padding: 0;
}

.project-card__meta-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.project-card__year {
  font-size: 0.8125rem;
  color: var(--projects-slate-light);
}

/* Card: Title */
.project-card__title {
  font-family: 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--projects-primary);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 0.625rem;
}

.project-card__title a {
  color: inherit;
  text-decoration: none;
}

.project-card__title a:hover {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

/* Card: Summary */
.project-card__summary {
  font-size: 0.875rem;
  color: var(--projects-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

/* Card: Highlights */
.project-card__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
  .project-card__highlights {
    grid-template-columns: 1fr;
  }
}

.project-card__highlight {
  display: flex;
  align-items: center;
  gap: 0.4375rem;
  padding: 0.5rem 0.75rem;
  background: var(--projects-bg);
  border-radius: var(--projects-radius-xs);
}

.project-card__highlight i {
  font-size: 0.75rem;
  color: var(--projects-primary);
  flex-shrink: 0;
}

.project-card__highlight span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--projects-accent);
}

/* Card: Tags */
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3125rem;
  margin-bottom: 1.25rem;
}

/* Card: Footer */
.project-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 1rem;
  background: var(--projects-bg);
  border-radius: var(--projects-radius-sm);
  border: 1px solid var(--projects-border-light);
}

.project-card__outcome {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.project-card__outcome i {
  font-size: 0.8125rem;
  color: var(--projects-primary);
}

.project-card__outcome span {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--projects-primary);
}

.project-card__view-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--projects-primary-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.project-card__view-link:hover {
  color: var(--projects-primary);
}

.project-card__view-link:focus-visible {
  outline: 2px solid var(--projects-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.project-card:hover .project-card__view-link {
  color: var(--projects-primary);
}

.project-card__view-link i {
  font-size: 0.8125rem;
  transition: transform 0.15s ease;
}

.project-card:hover .project-card__view-link i {
  transform: translateX(2px);
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  line-height: 1.25rem;
  white-space: nowrap;
}

.badge--primary {
  background: rgba(41, 69, 87, 0.05);
  color: var(--projects-primary);
  border: 1px solid rgba(41, 69, 87, 0.1);
}

.badge--active {
  background: rgba(41, 69, 87, 0.08);
  color: var(--projects-primary);
  border: 1px solid rgba(41, 69, 87, 0.2);
}

.badge--ghost {
  background: transparent;
  color: var(--projects-slate);
  border: 1px solid var(--projects-border);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  border-radius: var(--projects-radius-xs);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  border: none;
}

.btn--primary {
  background: var(--projects-primary);
  color: var(--projects-white);
  padding: 0.625rem 1.375rem;
  font-size: 0.875rem;
}

.btn--primary:hover {
  background: var(--projects-primary-light);
}

.btn--primary:focus-visible {
  outline: 2px solid var(--projects-primary);
  outline-offset: 2px;
}

/* ---------- Project Detail ---------- */
.project-detail {
  background: var(--projects-bg);
  min-height: 100vh;
}

.project-detail__container {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.project-detail__header {
  margin-bottom: 2rem;
}

.project-detail__meta-top {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.project-detail__icon-wrap {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  background: rgba(41, 69, 87, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-detail__icon-wrap i {
  font-size: 1.25rem;
  color: var(--projects-primary);
}

.project-detail__badges {
  display: flex;
  gap: 0.375rem;
}

.project-detail__year {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--projects-slate-light);
}

.project-detail__title {
  font-family: 'Inter', sans-serif;
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--projects-primary);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.project-detail__client {
  font-size: 0.875rem;
  color: var(--projects-slate-light);
}

.project-detail__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1px;
  background: var(--projects-border);
  border-radius: var(--projects-radius-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.project-detail__stat {
  background: var(--projects-white);
  padding: 1rem;
  text-align: center;
}

.project-detail__stat-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--projects-slate-light);
  margin-bottom: 0.25rem;
}

.project-detail__stat-value {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--projects-primary);
}

.project-detail__section {
  margin-bottom: 1.75rem;
}

.project-detail__section-heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--projects-slate-light);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.project-detail__section-heading i {
  font-size: 0.8125rem;
}

.project-detail__description {
  font-size: 0.875rem;
  color: var(--projects-text-muted);
  line-height: 1.75;
}

.project-detail__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.project-detail__highlight {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
  background: var(--projects-bg);
  border-radius: var(--projects-radius-xs);
  border: 1px solid var(--projects-border-light);
}

.project-detail__highlight i {
  font-size: 0.875rem;
  color: var(--projects-primary);
  flex-shrink: 0;
}

.project-detail__highlight span {
  font-size: 0.8125rem;
  color: var(--projects-text);
}

.project-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.project-detail__actions {
  margin-top: 2rem;
}

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Hidden for JS filtering — !important needed to override article display */
.project-card[hidden] {
  display: none !important;
}

/* Ensure hidden attribute works on all elements */
[hidden] {
  display: none !important;
}

/* ---------- Logo images (card + detail) ---------- */
.project-card__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: calc(var(--projects-radius-xs) - 2px);
}

.project-detail__logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: calc(0.75rem - 2px);
}

/* ---------- Breadcrumbs ---------- */
.sc-breadcrumbs {
  background: #f7f7f7;
  padding: 0.75rem 0;
  margin: 0;
  width: 100%;
}

.sc-breadcrumb-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.sc-breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.sc-breadcrumb-link {
  color: #374151; /* 8.6:1 on #f7f7f7 */
  text-decoration: none;
  transition: color 0.2s;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 400;
  border-radius: calc(var(--projects-radius-xs, 0.5rem) - 4px);
  padding: 0.25rem 0.4rem;
  margin: -0.25rem -0.4rem;
}

.sc-breadcrumb-link:hover {
  color: #111827;
}

.sc-breadcrumb-link:focus-visible {
  outline: 3px solid #1e40af;
  outline-offset: 2px;
  color: #111827;
  border-radius: 4px;
}

.sc-breadcrumb-page {
  color: #111827;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
}

.sc-breadcrumb-separator {
  color: #4b5563; /* 7.2:1 on #f7f7f7 */
  user-select: none;
  font-size: 0.875rem;
}