/* ---------- Table of Contents — dot rail ---------- */
.case-toc {
  position: fixed;
  top: 50%;
  right: 1.5rem;
  transform: translateY(-50%);
  z-index: 120;
  pointer-events: auto;
}
.case-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.55rem;
  position: relative;
}
/* vertical connector */
.case-toc__list::before {
  content: '';
  position: absolute;
  right: 3px;
  top: 5px;
  bottom: 5px;
  width: 1px;
  background: var(--rule);
}
.case-toc__item {
  list-style: none;
}
.case-toc__item a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  outline: none;
}
/* label — visible by default at muted opacity, brightens on hover/active */
.case-toc__label {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  white-space: nowrap;
  opacity: 0.45;
  transition: opacity .2s var(--ease), color .2s var(--ease);
  pointer-events: none;
  text-transform: uppercase;
}
.case-toc__item:hover .case-toc__label,
.case-toc__item a:focus-visible .case-toc__label {
  opacity: 1;
  color: var(--ink-soft);
}
.case-toc__item a.is-active .case-toc__label {
  opacity: 1;
  color: var(--ink);
}
/* dot */
.case-toc__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--ink-mute);
  background: transparent;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .18s var(--ease);
}
.case-toc__item:hover .case-toc__dot {
  border-color: var(--ink);
  transform: scale(1.25);
}
.case-toc__item a.is-active .case-toc__dot {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.15);
}
/* h3 = smaller dot, indent the label */
.case-toc__item--h3 .case-toc__dot {
  width: 5px;
  height: 5px;
}
.case-toc__item--h3 .case-toc__label {
  font-size: 0.65rem;
  opacity: 0;
}
@media (max-width: 1000px) {
  .case-toc { display: none !important; }
}
/* =========================================================
   Case-study page styles
   Loaded in addition to main.css on /case/pages
=========================================================
*/
.case-page {
  padding-top: 0;
}

/* ---------- breadcrumb / back ---------- */
.case-crumbs {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--gutter) 0;
  font-family: var(--f-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--ink-mute);
  text-transform: uppercase;
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
}

.case-crumbs a {
  color: var(--ink-mute);
  transition: color .2s var(--ease);
  border-bottom: 1px solid transparent;
}

.case-crumbs a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.case-crumbs__sep {
  opacity: .5;
}

/* ---------- disclaimer ---------- */
.case-disclaimer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem var(--gutter) 0;
}

.case-disclaimer p {
  margin: 0;
  padding: .95rem 1.1rem;
  border: 1px solid var(--rule);
  background: var(--bg-soft);
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 1.55;
}

/* ---------- quick summary ---------- */
.case-tldr {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.2rem var(--gutter) 0;
}

.case-tldr p {
  margin: 0;
  padding: .95rem 1.1rem;
  border: 1px solid var(--rule);
  border-top: 0;
  background: var(--bg);
  color: var(--ink-soft);
  font-size: .92rem;
  line-height: 1.55;
}

.case-tldr p:first-child {
  border-top: 1px solid var(--rule);
}

.case-tldr strong {
  color: var(--ink);
}

.case-tldr__source {
  background: var(--bg-soft) !important;
  font-size: .88rem !important;
}

/* ---------- case hero ---------- */
.case-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.case-hero__eyebrow {
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin: 0 0 1.5rem;
}

.case-hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0 0 1.25rem;
  max-width: 18ch;
}

.case-hero__lede {
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 2.75rem;
  line-height: 1.55;
}

.case-hero__meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
}

.case-hero__meta dt {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin: 0 0 .5rem;
}

.case-hero__meta dd {
  margin: 0;
  font-size: .95rem;
  color: var(--ink);
}

/* ---------- ARES case hero layout ---------- */
.ares-hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: clamp(1.25rem, 3.2vw, 2.75rem);
  align-items: end;
  margin-bottom: 1rem;
}

.ares-hero-top .case-hero__title {
  margin: 0;
  max-width: 12ch;
}

.ares-hero-top .ares-badge {
  margin: 0;
  width: min(100%, 280px);
  justify-self: end;
  view-transition-name: ares-mark;
  contain: layout paint;
}

.ares-hero__lede {
  max-width: 58ch;
  margin: 0 0 .55rem;
}

.case-hero__eyebrow,
.case-hero__title,
.ares-hero__lede,
.case-hero__meta {
  animation: caseFadeUp .7s var(--ease) both;
}

.case-hero__eyebrow {
  animation-delay: 60ms;
}

.case-hero__title {
  animation-delay: 120ms;
}

.ares-hero__lede {
  animation-delay: 190ms;
}

.case-hero__meta {
  animation-delay: 260ms;
}

/* Special entrance animation when coming from homepage */
html.entering-case .ares-hero-top .ares-badge {
  animation: ares-badge-enter 0.6s var(--ease) both;
}

html.entering-case .ares-hero-top .case-hero__title {
  animation: caseTitle-enter 0.6s var(--ease) both;
}

@keyframes ares-badge-enter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes caseTitle-enter {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ares-hero__model {
  margin: 0 0 2rem;
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

@media (max-width: 720px) {
  .case-hero__meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 900px) {
  .ares-hero-top {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1rem;
  }

  .ares-hero-top .ares-badge {
    justify-self: start;
    width: min(100%, 240px);
  }

  .ares-hero-top .case-hero__title {
    max-width: 14ch;
  }
}

/* ---------- case body ---------- */
.case-body {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  display: grid;
  gap: clamp(3rem, 6vw, 4.5rem);
}

.case-block {}

.case-block__head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.case-block__num {
  font-family: var(--f-mono);
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.case-block__title {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}

.case-block__body {
  color: var(--ink-soft);
  max-width: 68ch;
}

.case-block__body p {
  margin: 0 0 1.1em;
}

.case-block__body p:last-child {
  margin-bottom: 0;
}

.case-block__body strong {
  color: var(--ink);
  font-weight: 500;
}

.case-block__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.case-block__list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--ink-soft);
}

.case-block__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 10px;
  height: 1px;
  background: var(--ink-mute);
}

/* feature grid for what-i-built */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.feature-grid__item {
  background: var(--bg);
  padding: 1.5rem 1.5rem 1.65rem;
}

.feature-grid__title {
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 .5rem;
  color: var(--ink);
}

.feature-grid__desc {
  margin: 0;
  font-size: .88rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

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

/* stack tags inline */
.case-stack {
  display: grid;
  gap: 1.25rem;
}

.case-stack__group {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}

.case-stack__group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.case-stack__label {
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin: 0;
}

.case-stack__items {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.case-stack__items li {
  font-size: .85rem;
  padding: .35rem .75rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink);
}

@media (max-width: 640px) {
  .case-stack__group {
    grid-template-columns: 1fr;
    gap: .5rem;
  }
}

/* outcome metrics — reuse .metrics but allow wider */
.case-block .metrics {
  max-width: none;
}

/* ---------- charts ---------- */
.chart {
  margin: 2.25rem 0 0;
  padding: 1.75rem 1.75rem 1.5rem;
  border: 1px solid var(--rule);
  background: var(--bg);
}

.chart__cap {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin: 0 0 1.5rem;
  text-align: left;
}

.chart__title {
  font-size: .95rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.chart__sub {
  font-size: .85rem;
  color: var(--ink-soft);
}

.chart__note {
  margin: 1.25rem 0 0;
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

/* flow diagram */
.flow {
  display: grid;
  gap: 1.25rem;
}

.flow__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.25rem;
  align-items: center;
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}

.flow__row:first-child {
  border-top: none;
  padding-top: 0;
}

.flow__label {
  font-family: var(--f-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin: 0;
}

.flow__path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
}

.flow__node {
  font-size: .85rem;
  padding: .4rem .8rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--bg);
}

.flow__node--accent {
  border-color: var(--accent);
  color: var(--accent);
}

.flow__node--muted {
  border-style: dashed;
  border-color: var(--ink-mute);
  color: var(--ink-mute);
}

.flow__arrow {
  font-family: var(--f-mono);
  color: var(--ink-mute);
  font-size: 1rem;
}

.flow__branch {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-mute);
  margin-left: .25rem;
}

.flow__note {
  grid-column: 2;
  margin: .35rem 0 0;
  font-size: .82rem;
  color: var(--ink-soft);
}

@media (max-width: 640px) {
  .flow__row {
    grid-template-columns: 1fr;
    gap: .65rem;
  }

  .flow__note {
    grid-column: 1;
  }
}

/* horizontal bar chart */
.bars {
  display: grid;
  gap: 1rem;
}

.bars__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.25rem;
  align-items: center;
}

.bars__label {
  font-family: var(--f-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.bars__track {
  position: relative;
  height: 30px;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  overflow: hidden;
}

.bars__fill {
  height: 100%;
  width: 0;
  display: flex;
  align-items: center;
  padding: 0 .75rem;
  background: var(--ink);
  color: var(--bg);
  font-size: .8rem;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: width 1s var(--ease) .15s;
}

.chart.is-in .bars__fill {
  width: var(--w, 100%);
}

.bars__fill--before {
  background: var(--ink-mute);
  color: var(--bg);
}

.bars__fill--after {
  background: var(--accent);
  color: #fff;
}

.bars__value {
  font-family: var(--f-mono);
  font-size: .78rem;
}

@media (prefers-reduced-motion: reduce) {
  .bars__fill {
    transition: none;
    width: var(--w, 100%);
  }
}

@media (max-width: 640px) {
  .bars__row {
    grid-template-columns: 1fr;
    gap: .35rem;
  }
}

/* ---------- screenshots gallery ---------- */
.case-shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.75rem);
  margin: clamp(1.5rem, 3vw, 2.5rem) 0 0;
}

.case-shot {
  margin: 0;
}

.case-shot__btn {
  display: block;
  width: 100%;
  padding: 0;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.case-shot__btn:hover {
  border-color: var(--ink-mute);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .06);
  transform: translateY(-2px);
}

.case-shot__btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.case-shot__btn img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  object-position: top center;
}

.case-shot__zoom {
  position: absolute;
  top: .55rem;
  right: .65rem;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--rule);
  border-radius: 3px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-size: .9rem;
  color: var(--ink);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.case-shot__btn:hover .case-shot__zoom,
.case-shot__btn:focus-visible .case-shot__zoom {
  opacity: 1;
}

.case-shot__cap {
  margin-top: .65rem;
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--ink-soft);
  letter-spacing: .02em;
}

@media (max-width: 720px) {
  .case-shots {
    grid-template-columns: 1fr;
  }

  .case-shot__btn img {
    max-height: 280px;
  }
}

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, .88);
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  z-index: 100;
  opacity: 0;
  transition: opacity .25s var(--ease);
}

.lightbox:not([hidden]) {
  opacity: 1;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__frame {
  margin: 0;
  max-width: min(1200px, 95vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.lightbox__img {
  display: block;
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  background: var(--bg);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 4px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}

.lightbox__cap {
  font-family: var(--f-mono);
  font-size: .82rem;
  color: rgba(255, 255, 255, .75);
  text-align: center;
}

.lightbox__close {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, .2);
  transform: scale(1.05);
}

.lightbox__close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

body.is-lightbox-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .lightbox {
    transition: none;
  }

  .case-shot__btn {
    transition: none;
  }
}

/* confidentiality note */
.case-note {
  padding: 1.5rem 1.75rem;
  background: var(--bg-soft);
  border-left: 2px solid var(--accent);
  font-size: .92rem;
  color: var(--ink-soft);
}

.case-note strong {
  color: var(--ink);
  font-weight: 500;
}

/* ---------- next-case nav ---------- */
.case-nav {
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 5vw, 4rem) var(--gutter);
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.case-nav__item {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  transition: opacity .2s var(--ease);
}

.case-nav__item:hover {
  opacity: .65;
}

.case-nav__item--end {
  text-align: right;
}

.case-nav__label {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

.case-nav__title {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}

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

  .case-nav__item--end {
    text-align: left;
  }
}

@keyframes caseFadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}