/**
 * Portfolio (case studies) — archive + single case page.
 *
 * Loaded on /portfolio/ and single project pages only (see functions.php).
 * Intentionally unlayered (like blog.css/single.css) so it wins over the
 * @layer'ed rules in main.css. Builds on main.css tokens and the existing
 * .portfolio-card / .page-hero / .cta-section components.
 */

/* ──────────────────────────────────────────────
   Archive: service filter tabs
   ────────────────────────────────────────────── */

.case-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin: calc(-1 * var(--space-xl)) 0 var(--space-2xl);
}

.case-filter__tab {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  line-height: 1;
  color: var(--color-primary-dark);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-base);
}

.case-filter__tab:hover {
  color: var(--color-accent-dark);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.case-filter__tab.is-active {
  color: var(--color-text-on-accent);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.case-filter__tab.is-active:hover {
  transform: none;
}

/* ──────────────────────────────────────────────
   Archive: clickable wide cards (extends .portfolio-card)
   ────────────────────────────────────────────── */

/* main.css .portfolio-tag hardcodes the old accent rgb and lands at ~4.1:1 —
   re-tint with the current token and darker text (portfolio pages only). */
.portfolio-tag {
  background: rgba(var(--color-accent-rgb), 0.12);
  color: var(--color-accent-dark);
}

.portfolio-card--link {
  position: relative;
}

.portfolio-card--link:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-lg);
}

.portfolio-card__title a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.portfolio-card__title a:hover {
  color: var(--color-accent-dark);
}

/* Whole-card click target (blog-card pattern) */
.portfolio-card--link .portfolio-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

.portfolio-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-dark);
  transition: gap var(--transition-base);
}

.portfolio-card--link:hover .portfolio-card__more {
  gap: 12px;
}

.portfolio-card--link:hover .portfolio-card__more svg {
  transform: translateX(2px);
}

.portfolio-card__more svg {
  transition: transform var(--transition-base);
}

/* ──────────────────────────────────────────────
   Archive: Show more + pagination
   ────────────────────────────────────────────── */

/* Author-origin display rules beat the UA [hidden] rule — restore it. */
.portfolio-more[hidden],
.portfolio-more__btn[hidden] {
  display: none !important;
}

.portfolio-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.portfolio-more__btn[disabled] {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.portfolio-more__btn .is-spinning {
  animation: case-spin 0.9s linear infinite;
}

@keyframes case-spin {
  to { transform: rotate(360deg); }
}

.portfolio-more__count {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.portfolio-pagination {
  margin-top: var(--space-3xl);
}

.portfolio-pagination .screen-reader-text,
.case-stats .screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.portfolio-pagination ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.portfolio-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  min-height: 46px;
  padding: 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
}

.portfolio-pagination a.page-numbers:hover {
  color: var(--color-accent-dark);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.portfolio-pagination .page-numbers.current {
  color: var(--color-text-on-accent);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.portfolio-pagination .page-numbers.dots {
  background: transparent;
  border-color: transparent;
}

/* JS took over → numbered pagination is redundant for humans */
.portfolio-pagination.is-hidden {
  display: none;
}

/* Empty state */
.portfolio-empty {
  max-width: 560px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}

.portfolio-empty__title {
  font-size: var(--text-xl);
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-sm);
}

.portfolio-empty__text {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-lg);
}

.portfolio-empty__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* ──────────────────────────────────────────────
   Case hero
   ────────────────────────────────────────────── */

.case-hero {
  padding-bottom: var(--space-4xl);
}

.case-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.case-hero__badge {
  text-decoration: none;
}

.case-hero__title {
  max-width: 26ch;
}

.case-hero__dek {
  max-width: 640px;
}

.case-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
  margin-top: var(--space-lg);
  font-size: var(--text-sm);
  color: rgba(232, 236, 241, 0.7);
}

.case-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.case-hero__meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.case-hero__sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(232, 236, 241, 0.3);
}

/* Featured image overlapping the hero (single-featured pattern) */
.case-featured {
  position: relative;
  z-index: 2;
  margin-top: calc(-1 * var(--space-3xl));
}

.case-featured__frame {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  background: var(--color-surface-alt);
}

.case-featured__img,
.case-featured__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ──────────────────────────────────────────────
   Case layout: main + sticky sidebar
   ────────────────────────────────────────────── */

.case-section {
  padding-top: var(--space-3xl);
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(300px, 26vw, 340px);
  gap: clamp(var(--space-xl), 4vw, var(--space-3xl));
}

.case-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.case-sidebar {
  align-self: stretch;
}

.case-sidebar__sticky {
  position: sticky;
  top: calc(76px + var(--space-lg));
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ──────────────────────────────────────────────
   Project overview
   ────────────────────────────────────────────── */

.case-overview {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.case-overview__title {
  font-size: var(--text-xl);
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-lg);
}

.case-overview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md) var(--space-xl);
  margin: 0;
}

.case-overview__row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.case-overview__row dt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

.case-overview__row dt svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.case-overview__row dd {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

.case-overview__row dd a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: rgba(179, 90, 27, 0.35);
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.case-overview__row dd a:hover {
  color: var(--color-accent);
}

/* ──────────────────────────────────────────────
   Problem / Solution / prose blocks
   ────────────────────────────────────────────── */

.case-block__title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-2xl);
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-md);
}

.case-block__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.case-block__icon--problem {
  background: rgba(192, 57, 43, 0.1);
  color: var(--color-danger);
}

.case-block__icon--solution {
  background: rgba(45, 139, 78, 0.12);
  color: var(--color-success);
}

.case-block__body,
.case-content {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.case-block__body > * + *,
.case-content > * + * {
  margin-top: var(--space-md);
}

.case-block__body p,
.case-content p {
  margin: 0;
}

.case-block__body a,
.case-content a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.case-block__body a:hover,
.case-content a:hover {
  color: var(--color-accent);
}

/* Scope checklist */
.case-scope {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm) var(--space-lg);
}

.case-scope li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.case-scope li svg {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ──────────────────────────────────────────────
   Materials
   ────────────────────────────────────────────── */

.case-materials__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.case-materials__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}

.case-materials__name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-dark);
}

.case-materials__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ──────────────────────────────────────────────
   Before / After gallery
   ────────────────────────────────────────────── */

.case-gallery__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.case-gallery__item {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
}

.case-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.case-gallery__item:hover img {
  transform: scale(1.03);
}

.case-gallery__label {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 1;
  padding: 4px 12px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  border-radius: var(--radius-full);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.case-gallery__label--before {
  background: rgba(13, 17, 23, 0.72);
}

.case-gallery__label--after {
  background: #1f7a42; /* darker than --color-success: white 11px text needs ≥4.5:1 */
}

/* ──────────────────────────────────────────────
   Result banner
   ────────────────────────────────────────────── */

.case-result {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(45, 139, 78, 0.08);
  border: 1px solid rgba(45, 139, 78, 0.25);
  border-radius: var(--radius-lg);
  color: var(--color-success);
}

.case-result svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.case-result__label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: 2px;
  color: #1f6b3a; /* --color-success is only 3.9:1 on the tinted banner */
}

.case-result__text {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}

/* ──────────────────────────────────────────────
   Sidebar: expert card (E-E-A-T)
   ────────────────────────────────────────────── */

.case-expert {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  overflow: hidden;
}

.case-expert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
}

.case-expert__eyebrow {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent-dark);
  margin-bottom: var(--space-md);
}

.case-expert__head {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.case-expert__avatar {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.case-expert__avatar img,
.case-expert__img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-md);
  display: block;
}

.case-expert__avatar img {
  width: 100%;
  height: 100%;
}

.case-expert__name {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary-dark);
  text-decoration: none;
}

a.case-expert__name:hover {
  color: var(--color-accent-dark);
}

.case-expert__role {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-dark);
  margin-top: 2px;
}

.case-expert__creds {
  list-style: none;
  margin: 0;
  padding: var(--space-md) 0 0;
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.case-expert__creds li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.case-expert__creds svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.case-expert__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: gap var(--transition-base);
}

.case-expert__more:hover {
  gap: 12px;
  color: var(--color-accent);
}

/* ──────────────────────────────────────────────
   Sidebar: CTA card (navy conversion card)
   ────────────────────────────────────────────── */

.case-cta-card {
  position: relative;
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.case-cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
}

.case-cta-card__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent-light);
}

.case-cta-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-snug);
  color: var(--color-white);
}

.case-cta-card__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}

.case-cta-card__phone svg {
  color: var(--color-accent);
}

.case-cta-card__phone:hover {
  color: var(--color-accent-light);
}

.case-cta-card__btn {
  width: 100%;
  justify-content: center;
}

.case-cta-card__trust {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: rgba(232, 236, 241, 0.65);
}

.case-cta-card__trust svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ──────────────────────────────────────────────
   Related cases: compact cards
   ────────────────────────────────────────────── */

.case-related {
  background: var(--color-surface);
}

.case-related__grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.case-related__footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-2xl);
}

.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

.case-card:hover::before {
  opacity: 1;
}

.case-card__thumb {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-surface-alt);
  position: relative;
}

.case-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card__img {
  transform: scale(1.04);
}

.case-card__badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 2;
  box-shadow: var(--shadow-sm);
}

.case-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-sm);
  padding: var(--space-xl);
}

.case-card__title {
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
}

.case-card__title a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.case-card__title a:hover {
  color: var(--color-accent-dark);
}

/* Whole-card click target */
.case-card__title a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

.case-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.case-card__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.case-card__meta-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.case-card__excerpt {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.case-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-dark);
  transition: gap var(--transition-base);
}

.case-card:hover .case-card__more {
  gap: 12px;
}

/* ──────────────────────────────────────────────
   Case: at-a-glance stats strip
   ────────────────────────────────────────────── */

.case-stats__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr));
  gap: var(--space-md);
}

.case-stats__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-md);
  text-align: center;
}

.case-stats__value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: var(--leading-tight);
}

.case-stats__label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: rgba(232, 236, 241, 0.75);
}

/* ──────────────────────────────────────────────
   Case: field note from the project lead
   ────────────────────────────────────────────── */

.case-lead-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
}

/* Fixed square wrapper: without it the flex column shrinks and
   max-width:100% squeezes the avatar into an oval. */
.case-lead-note__avatar {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.case-lead-note__avatar img,
.case-lead-note .case-expert__img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-white);
  box-shadow: var(--shadow-sm);
  display: block;
}

.case-lead-note__eyebrow {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-accent-dark);
  margin-bottom: var(--space-2xs);
}

.case-lead-note__text {
  margin: 0;
  font-size: var(--text-base);
  font-style: italic;
  line-height: var(--leading-normal);
  color: var(--color-text);
}

/* ──────────────────────────────────────────────
   Case: project timeline (phases)
   ────────────────────────────────────────────── */

.case-phases__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.case-phases__item {
  position: relative;
  display: flex;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
}

/* connector line between step numbers */
.case-phases__item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 36px;
  bottom: 0;
  width: 2px;
  background: var(--color-border-light);
}

.case-phases__item:last-child {
  padding-bottom: 0;
}

.case-phases__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-on-accent);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.case-phases__title {
  margin: 6px 0 4px;
  font-size: var(--text-base);
  color: var(--color-primary-dark);
}

.case-phases__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
}

/* ──────────────────────────────────────────────
   Case: client quote
   ────────────────────────────────────────────── */

.case-quote {
  position: relative;
  margin: 0;
  padding: var(--space-xl) var(--space-xl) var(--space-xl) calc(var(--space-xl) + 44px);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}

.case-quote__mark {
  position: absolute;
  top: var(--space-xl);
  left: var(--space-lg);
  color: var(--color-accent);
  opacity: 0.45;
}

.case-quote__text {
  margin: 0;
  font-size: var(--text-lg);
  font-style: italic;
  line-height: var(--leading-normal);
  color: var(--color-text);
}

.case-quote__author {
  margin-top: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ──────────────────────────────────────────────
   Case: project FAQ (accordion)
   ────────────────────────────────────────────── */

.case-faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.case-faq__item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.case-faq__item[open] {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.case-faq__q {
  position: relative;
  padding: var(--space-md) calc(var(--space-xl) + 12px) var(--space-md) var(--space-lg);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary-dark);
  cursor: pointer;
  list-style: none;
}

.case-faq__q::-webkit-details-marker {
  display: none;
}

/* chevron */
.case-faq__q::after {
  content: '';
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--transition-base);
}

.case-faq__item[open] .case-faq__q::after {
  transform: translateY(-30%) rotate(225deg);
}

.case-faq__a {
  margin: 0;
  padding: 0 var(--space-lg) var(--space-md);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-muted);
}

/* ──────────────────────────────────────────────
   Expert card: license verification link
   ────────────────────────────────────────────── */

.case-expert__verify {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.case-expert__verify:hover {
  color: var(--color-accent-dark);
}

.case-expert__verify svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ──────────────────────────────────────────────
   Responsive
   ────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .case-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .case-sidebar {
    margin-top: var(--space-xl);
  }

  .case-sidebar__sticky {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    align-items: start;
  }
}

@media (max-width: 768px) {
  .case-hero__title {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .case-related__grid {
    grid-template-columns: 1fr;
  }

  .case-overview__grid,
  .case-scope,
  .case-materials__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .case-featured {
    margin-top: calc(-1 * var(--space-2xl));
  }

  .case-filter {
    margin-top: calc(-1 * var(--space-lg));
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-xs);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .case-filter::-webkit-scrollbar {
    display: none;
  }

  .case-filter__tab {
    flex-shrink: 0;
  }
}

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

  .case-overview {
    padding: var(--space-lg);
  }

  .portfolio-more__btn {
    width: 100%;
    justify-content: center;
  }

  .case-lead-note {
    flex-direction: column;
    padding: var(--space-lg);
  }

  .case-quote {
    padding: calc(var(--space-xl) + 24px) var(--space-lg) var(--space-lg);
  }

  .case-quote__mark {
    top: var(--space-md);
    left: var(--space-lg);
  }

  .case-stats__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case-card,
  .case-card__img,
  .case-gallery__item img,
  .case-filter__tab,
  .portfolio-card__more svg,
  .portfolio-more__btn .is-spinning {
    transition: none;
    animation: none;
  }

  .case-card:hover {
    transform: none;
  }
}