/* =========================================================================
   GFW — Case studies v1  (styles/cases.css)
   Loaded after site.css on /cases/*.html and /work.html.

   Adds: hero "Services" row · What we recommended · Outcomes ·
         deliverable plates (inline-SVG illustrations) · related-work polish ·
         /work index (hero, filter chips, grid).

   Palette: paper #F7F5F0 · ink #0B0D10 · Signal Orange #FF6A3D (accents
   only: dots, one highlighted node, small rules, numbers). Hairlines are
   ink at 10%. No gradients except a faint radial glow on ink plates.
   All new classes are prefixed csx-.
   ========================================================================= */

:root {
  --csx-paper: #F7F5F0;
  --csx-ink: #0B0D10;
  --csx-orange: #FF6A3D;
  --csx-line: rgba(11, 13, 16, 0.1);
  --csx-line-strong: rgba(11, 13, 16, 0.18);
  --csx-mute: #6B6B6B;
  --csx-radius: 18px;
  --csx-ease: cubic-bezier(0.25, 1, 0.5, 1);
}

/* -------------------------------------------------------------------------
   1. Hero — Services row spans the full meta grid
   ------------------------------------------------------------------------- */
.cs-hero-meta > .csx-meta-services {
  grid-column: 1 / -1;
}

/* -------------------------------------------------------------------------
   2. What we recommended — three numbered decisions
   ------------------------------------------------------------------------- */
.csx-recs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 3.4vw, 3rem);
}

.csx-rec {
  position: relative;
  display: grid;
  gap: 0.85rem;
  align-content: start;
  padding-top: 1.5rem;
  border-top: 1px solid var(--csx-line-strong);
}

.csx-rec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 2.5rem;
  height: 2px;
  background: var(--csx-orange);
}

.csx-rec-num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csx-mute);
}

.csx-rec-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 1.65vw, 1.45rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--csx-ink);
  text-wrap: balance;
}

.csx-rec p {
  margin: 0;
  max-width: 40ch;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--csx-mute);
}

@media (max-width: 56rem) {
  .csx-recs { grid-template-columns: 1fr; gap: 2rem; }
  .csx-rec p { max-width: 56ch; }
}

/* -------------------------------------------------------------------------
   3. Outcomes — three cards, numbers in orange
   ------------------------------------------------------------------------- */
.csx-outcomes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.csx-outcome {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1.5rem, 2.6vw, 2.25rem);
  border: 1px solid var(--csx-line);
  border-radius: var(--csx-radius);
  background: transparent;
  transition: border-color 0.3s var(--csx-ease);
}

.csx-outcome:hover { border-color: var(--csx-line-strong); }

.csx-outcome-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csx-mute);
}

.csx-outcome-label::before {
  content: "";
  flex: none;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--csx-orange);
}

/* Honest status: "in progress" reads as an open ring, not a solid dot */
.csx-outcome[data-status="in-progress"] .csx-outcome-label::before {
  background: transparent;
  box-shadow: inset 0 0 0 1.5px var(--csx-orange);
}

.csx-outcome-value {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.5vw, 2.25rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--csx-ink);
  text-wrap: balance;
}

.csx-outcome-value.has-figure {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 0.1em;
}

.csx-num,
.csx-num-suffix {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.045em;
  color: var(--csx-orange);
  font-variant-numeric: tabular-nums;
}

.csx-unit {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.4rem, 2.1vw, 1.85rem);
  letter-spacing: -0.01em;
  color: var(--csx-ink);
  margin-left: 0.2em;
}

.csx-unit:first-child { margin-left: 0; margin-right: 0.15em; }

.csx-outcome-text {
  margin: auto 0 0;
  padding-top: 0.25rem;
  font-size: 0.98rem;
  line-height: 1.58;
  color: var(--csx-mute);
}

@media (max-width: 56rem) {
  .csx-outcomes { grid-template-columns: 1fr; }
}

/* -------------------------------------------------------------------------
   4. Selected outputs — deliverable plates
   One tall + two wide (existing showcase layout). Plates are inline SVG
   with a fixed viewBox, so labels and connectors scale together.
   ------------------------------------------------------------------------- */
.cs-showcase.csx-showcase {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.csx-showcase .cs-showcase-stack { align-content: start; }

.csx-plate-tile {
  --pf: var(--csx-ink);                 /* linework + type */
  --pb: var(--csx-paper);               /* plate ground */
  --pm: rgba(11, 13, 16, 0.56);         /* muted labels */
  --pl: rgba(11, 13, 16, 0.16);         /* soft lines */
  --ps: rgba(11, 13, 16, 0.05);         /* faint fills */
  position: relative;
  margin: 0;
  overflow: hidden;
  color: var(--pf);
  background: var(--csx-paper);
  border: 1px solid var(--csx-line-strong);
  border-radius: var(--csx-radius);
  transition: border-color 0.35s var(--csx-ease), transform 0.35s var(--csx-ease);
}

.csx-plate-tile.csx-plate--ink {
  --pf: #F7F5F0;
  --pb: #0B0D10;
  --pm: rgba(247, 245, 240, 0.56);
  --pl: rgba(247, 245, 240, 0.18);
  --ps: rgba(247, 245, 240, 0.06);
  background:
    radial-gradient(90% 70% at 88% 4%, rgba(255, 106, 61, 0.09), transparent 62%),
    #0B0D10;
  border-color: #0B0D10;
}

.csx-plate-tile:hover { border-color: var(--csx-ink); }

.csx-showcase > .csx-plate-tile.is-tall {
  aspect-ratio: auto;
  min-height: 28rem;
}

.csx-plate-tile.is-wide { aspect-ratio: 3 / 2; }

.csx-plate {
  position: absolute;
  inset: 0 0 2.6rem 0;
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.25rem 0.5rem;
}

.csx-plate-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pm);
}

.csx-plate-body {
  position: relative;
  flex: 1;
  min-height: 0;
  margin-top: 0.75rem;
}

.csx-svg {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 460px;
  margin: auto;
  overflow: visible;
}

/* Caption bar — overrides the photo-gradient caption from site.css */
.cs-showcase-tile-caption.csx-plate-cap {
  inset: auto 0 0 0;
  min-height: 2.6rem;
  padding: 0.6rem 1.25rem;
  align-items: center;
  gap: 0.75rem;
  background: none;
  color: var(--pf);
  border-top: 1px solid var(--pl);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  line-height: 1.3;
}

.csx-plate-cap span:first-child { min-width: 0; }

.csx-plate-cap span:last-child {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--pm);
}

.csx-plate-cap span:last-child::before {
  content: "";
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  background: var(--csx-orange);
}

/* SVG vocabulary ---------------------------------------------------------- */
.csx-svg text {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  fill: var(--pf);
}
.csx-svg .t-sans  { font-family: var(--font-sans); letter-spacing: -0.01em; font-weight: 500; }
.csx-svg .t-serif { font-family: var(--font-serif); font-style: italic; font-weight: 400; letter-spacing: 0; }
.csx-svg .t-mute  { fill: var(--pm); }
.csx-svg .t-bold  { font-weight: 700; }
.csx-svg .t-hot   { fill: var(--csx-orange); }
.csx-svg .t-ink   { fill: var(--csx-ink); }

.csx-svg .ln {
  fill: none;
  stroke: var(--pf);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.csx-svg .ln-soft  { stroke: var(--pl); }
.csx-svg .ln-hot   { stroke: var(--csx-orange); }
.csx-svg .ln-thick { stroke-width: 3; }
.csx-svg .ln-dot   { stroke: var(--pm); stroke-dasharray: 1.5 4; }

.csx-svg .bx       { fill: var(--pb); stroke: var(--pf); stroke-width: 1.5; }
.csx-svg .bx-soft  { fill: var(--ps); stroke: var(--pl); stroke-width: 1; }
.csx-svg .bx-hot   { fill: var(--csx-orange); stroke: var(--csx-orange); }
.csx-svg .bx-hotline { fill: var(--pb); stroke: var(--csx-orange); }
.csx-svg .bx-back  { fill: var(--pb); stroke: var(--pl); }
.csx-svg .bx-faint { fill: var(--ps); stroke: none; }

.csx-svg .fl       { fill: var(--pf); }
.csx-svg .fl-soft  { fill: var(--pl); }
.csx-svg .fl-faint { fill: var(--ps); }
.csx-svg .fl-mute  { fill: var(--pm); }
.csx-svg .fl-hot   { fill: var(--csx-orange); }

.csx-svg .ring     { fill: none; stroke: var(--pm); stroke-width: 1.2; }
.csx-svg .ring-hot { fill: none; stroke: var(--csx-orange); stroke-width: 1.5; opacity: 0.45; }

/* Single column under ~900px: plates flow at their natural height */
@media (max-width: 56rem) {
  .cs-showcase.csx-showcase { grid-template-columns: 1fr; }

  .csx-showcase > .csx-plate-tile.is-tall,
  .csx-showcase .csx-plate-tile.is-wide {
    aspect-ratio: auto;
    min-height: 0;
  }

  .csx-plate {
    position: relative;
    inset: auto;
    padding: 1rem 0.75rem 1rem;
  }

  .csx-plate-head { padding: 0 0.25rem; }

  .csx-plate-body { margin-top: 0.9rem; }

  .csx-svg {
    position: static;
    height: auto;
    margin: 0 auto;
  }

  .cs-showcase-tile-caption.csx-plate-cap {
    position: relative;
    inset: auto;
    padding: 0.7rem 1rem;
  }
}

/* -------------------------------------------------------------------------
   5. Related work — monochrome thumbnails, colour on hover
   ------------------------------------------------------------------------- */
.cs-related-card-media img {
  filter: grayscale(1) contrast(1.04);
  transition: filter 0.5s var(--csx-ease), transform 0.6s var(--csx-ease);
}

.cs-related-card:hover .cs-related-card-media img {
  filter: grayscale(0);
  transform: scale(1.03);
}

.cs-related-card:focus-visible {
  outline: 2px solid var(--csx-orange);
  outline-offset: 3px;
}

/* -------------------------------------------------------------------------
   6. /work — index page
   ------------------------------------------------------------------------- */
.csx-work-hero {
  padding: calc(var(--promo-h, 2.2rem) + 72px + clamp(3rem, 7vw, 6rem)) var(--edge) clamp(2.5rem, 5vw, 4rem);
  background: var(--csx-paper);
  border-bottom: 1px solid var(--csx-line);
}

.csx-work-hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 1.4rem;
  justify-items: start;
}

.csx-work-title {
  margin: 0;
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7.4vw, 6.4rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--csx-ink);
  text-wrap: balance;
}

.csx-work-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--csx-ink);
}

.csx-work-dek {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.5;
  color: var(--csx-mute);
}

.csx-work-index {
  padding: clamp(2rem, 4vw, 3rem) var(--edge) clamp(4rem, 8vw, 7rem);
  background: var(--csx-paper);
}

.csx-work-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.csx-work-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.csx-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.csx-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--csx-line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--csx-ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.25s var(--csx-ease), color 0.25s var(--csx-ease), border-color 0.25s var(--csx-ease);
}

.csx-chip:hover { border-color: var(--csx-ink); }

.csx-chip[aria-pressed="true"] {
  background: var(--csx-ink);
  border-color: var(--csx-ink);
  color: var(--csx-paper);
}

.csx-chip:focus-visible {
  outline: 2px solid var(--csx-orange);
  outline-offset: 2px;
}

.csx-chip-count { opacity: 0.5; }

.csx-work-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--csx-mute);
}

.csx-work-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.csx-work-item { display: flex; }

.csx-work-item.is-filtered-out { display: none !important; }

.csx-work-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--csx-line);
  border-radius: var(--csx-radius);
  transition: border-color 0.35s var(--csx-ease), transform 0.35s var(--csx-ease);
}

.csx-work-card:hover {
  border-color: var(--csx-ink);
  transform: translateY(-3px);
}

.csx-work-card:focus-visible {
  outline: 2px solid var(--csx-orange);
  outline-offset: 3px;
}

.csx-work-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #E6E1D8;
}

.csx-work-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.04);
  transition: filter 0.5s var(--csx-ease), transform 0.7s var(--csx-ease);
}

.csx-work-card:hover .csx-work-media img {
  filter: grayscale(0);
  transform: scale(1.03);
}

.csx-work-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: clamp(1.25rem, 2.4vw, 1.75rem);
}

.csx-work-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--csx-mute);
}

.csx-work-num { color: var(--csx-orange); }

.csx-work-client {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  line-height: 1.2;
  color: var(--csx-ink);
}

.csx-work-headline {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--csx-ink);
  text-wrap: balance;
}

.csx-work-headline em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.csx-work-services {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--csx-mute);
}

.csx-work-cta {
  margin-top: auto;
  padding-top: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--csx-ink);
}

.csx-work-cta span { transition: transform 0.3s var(--csx-ease); }
.csx-work-card:hover .csx-work-cta span { transform: translateX(4px); }

@media (max-width: 50rem) {
  .csx-work-grid { grid-template-columns: 1fr; }
  .csx-work-bar { align-items: flex-start; flex-direction: column; }
}

/* -------------------------------------------------------------------------
   7. Reduced motion
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .csx-plate-tile,
  .csx-work-card,
  .csx-work-media img,
  .cs-related-card-media img,
  .csx-work-cta span {
    transition: none;
  }
  .csx-work-card:hover,
  .csx-work-card:hover .csx-work-media img,
  .cs-related-card:hover .cs-related-card-media img {
    transform: none;
  }
}