/* ═══════════════════════════════════════════════════════════
   PROJECT.CSS — Case study page layout
   Imports alongside style.css (tokens, fonts, cursor already defined there)
   Layout inspired by editorial long-form pages (WePresent, etc.)
═══════════════════════════════════════════════════════════ */

/* ── RESET / BASE ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  -webkit-font-smoothing: antialiased;
  cursor: none;
}

img { display: block; width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

/* ── PROGRESS BAR ──────────────────────────────────────────── */
.case-progress-bar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 200;
  background: var(--border);
  transform-origin: left;
}
.case-progress-bar-fill {
  height: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.1s linear;
}

/* ── NAVIGATION ────────────────────────────────────────────── */
.case-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1.4rem clamp(1.5rem, 5vw, 4rem);
  transition: background 0.3s, backdrop-filter 0.3s;
}
.case-nav.is-scrolled {
  background: rgba(13,24,16,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.case-back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--ff-ui); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-2);
  transition: color 0.2s;
}
.case-back svg { flex-shrink: 0; }
.case-back:hover { color: var(--text); }

.case-nav-title {
  font-family: var(--ff-ui); font-size: 0.82rem; font-weight: 500;
  color: var(--text-3);
  opacity: 0; transition: opacity 0.3s;
  pointer-events: none;
}
.case-nav.is-scrolled .case-nav-title { opacity: 1; }

/* ── HERO ──────────────────────────────────────────────────── */
.case-hero {
  position: relative;
  width: 100%;
  min-height: 80vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden;
  background: var(--bg-dark);
}
.case-hero-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
/* placeholder when no image */
.case-hero-placeholder {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.015) 40px,
      rgba(255,255,255,0.015) 41px
    ),
    var(--bg-2);
}
.case-hero-content {
  position: relative; z-index: 2;
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4rem);
  background: linear-gradient(to top, var(--bg) 0%, rgba(13,24,16,0.6) 60%, transparent 100%);
}
.case-hero-eyebrow {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--ff-ui); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.2rem;
}
.case-hero-eyebrow .case-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border); border-radius: 4px;
  font-size: 0.65rem; letter-spacing: 0.12em;
  color: var(--text-3);
}
.case-hero-eyebrow .case-badge.is-nda {
  border-color: rgba(217,255,0,0.2);
  color: var(--accent);
}
.case-hero-title {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(2.8rem, 7vw, 7rem);
  line-height: 0.92; letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.8rem;
}
.case-hero-tagline {
  font-family: var(--ff-ui); font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400; color: var(--text-2);
  max-width: 560px;
}

/* ── CONTENT WRAPPER ───────────────────────────────────────── */
.case-article {
  padding-bottom: clamp(4rem, 10vh, 8rem);
}

/* centered text column */
.case-col {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}

/* ── SECTION ───────────────────────────────────────────────── */
.case-section {
  padding: clamp(3rem, 6vh, 5rem) 0;
}
.case-section + .case-section {
  border-top: 1px solid var(--border);
}

/* section label (e.g. "Discovery", "Approach") */
.case-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.2rem;
}
.case-label::before {
  content: ''; display: inline-block;
  width: 18px; height: 1px;
  background: var(--accent); opacity: 0.7; flex-shrink: 0;
}

.case-section-heading {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  line-height: 1.05; letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

/* ── PROSE ─────────────────────────────────────────────────── */
.case-prose {
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  line-height: 1.75;
  color: var(--text-2);
}
.case-prose p + p { margin-top: 1.2em; }
.case-prose strong { color: var(--text); font-weight: 600; }
.case-prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ── METADATA ROW ──────────────────────────────────────────── */
.case-meta {
  display: flex; flex-wrap: wrap; gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}
.case-meta-item {
  display: flex; flex-direction: column; gap: 0.3rem;
}
.case-meta-label {
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3);
}
.case-meta-value {
  font-family: var(--ff-ui); font-size: 0.9rem; font-weight: 500;
  color: var(--text);
}

/* ── TAGS ──────────────────────────────────────────────────── */
.case-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-top: 2rem;
}
.case-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--ff-ui); font-size: 0.75rem; font-weight: 500;
  color: var(--text-2);
}

/* ── NUMBERED DIVIDER ──────────────────────────────────────── */
.case-divider {
  display: flex; align-items: center; gap: 1.2rem;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
}
.case-divider-num {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1; color: var(--bg-3);
  letter-spacing: -0.04em;
}
.case-divider-name {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(1.6rem, 4vw, 3.5rem);
  line-height: 1; color: var(--text);
  letter-spacing: -0.02em;
}

/* ── FIGURES / IMAGES ──────────────────────────────────────── */
figure { margin: 0; }
figcaption {
  font-family: var(--ff-ui); font-size: 0.75rem;
  color: var(--text-3); line-height: 1.5;
  margin-top: 0.75rem; padding: 0 0.25rem;
}

/* full-width (edge to edge) */
.case-figure-full {
  margin: clamp(2.5rem, 5vw, 4.5rem) 0;
}
.case-figure-full figcaption {
  max-width: 680px;
  margin-left: auto; margin-right: auto;
  padding: 0.75rem clamp(1.5rem, 5vw, 4rem) 0;
}

/* wide — breaks column but leaves gutters */
.case-figure-wide {
  margin: clamp(2.5rem, 5vw, 4.5rem) clamp(-2rem, -4vw, -6rem);
}

/* column-width (stays inside text column) */
.case-figure-col {
  margin: clamp(2rem, 4vw, 3.5rem) 0;
}

/* 2-up grid */
.case-figure-2up {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0;
}

/* 3-up grid */
.case-figure-3up {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0;
}

/* asymmetric 2-up: 60/40 */
.case-figure-asymm {
  display: grid; grid-template-columns: 3fr 2fr; gap: 1rem;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0;
}

/* image placeholder */
.case-img-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 28px,
      rgba(255,255,255,0.022) 28px,
      rgba(255,255,255,0.022) 29px
    ),
    var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.case-img-placeholder.is-tall  { aspect-ratio: 4 / 5; }
.case-img-placeholder.is-wide  { aspect-ratio: 21 / 9; }
.case-img-placeholder.is-sq    { aspect-ratio: 1; }
.case-img-placeholder svg { opacity: 0.2; }
.case-img-placeholder img {
  width: 100%; height: 100%;
  object-fit: cover; border-radius: 6px;
}

/* ── PULL QUOTE ────────────────────────────────────────────── */
.case-pullquote {
  max-width: 800px;
  margin: clamp(3.5rem, 7vw, 6rem) auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  border: none;
}
.case-pullquote p {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 450;
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  line-height: 1.3; letter-spacing: -0.015em;
  color: var(--text);
}
.case-pullquote cite {
  display: block;
  margin-top: 1rem;
  font-family: var(--ff-ui); font-size: 0.78rem; font-weight: 500;
  font-style: normal; color: var(--text-3);
}

/* ── STATS ROW ─────────────────────────────────────────────── */
.case-stats {
  display: flex; flex-wrap: wrap; gap: 3rem 4rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: clamp(2.5rem, 5vw, 4rem) 0;
}
.case-stat-value {
  display: block;
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1; letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.case-stat-label {
  display: block;
  font-family: var(--ff-ui); font-size: 0.82rem;
  color: var(--text-2); line-height: 1.4;
  max-width: 160px;
}

/* ── TOOLS LIST ────────────────────────────────────────────── */
.case-tools {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 1.5rem;
  list-style: none;
}
.case-tools li {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--ff-ui); font-size: 0.8rem; font-weight: 500;
  color: var(--text-2);
}

/* ── NDA ZONE ──────────────────────────────────────────────── */
.case-nda-zone {
  position: relative;
}
.case-nda-veil {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(13,24,16,0.55);
  border-radius: 8px;
  z-index: 10;
  cursor: pointer;
  transition: background 0.2s;
}
.case-nda-veil:hover { background: rgba(13,24,16,0.45); }
.case-nda-veil-icon {
  width: 42px; height: 42px;
  border: 1.5px solid var(--border-hi);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.case-nda-veil-label {
  font-family: var(--ff-ui); font-size: 0.82rem; font-weight: 600;
  color: var(--text-2);
}

/* ── NDA OVERLAY ───────────────────────────────────────────── */
.case-nda-overlay {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8,15,10,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.case-nda-overlay.is-open {
  opacity: 1; pointer-events: auto;
}
.case-nda-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  width: min(420px, calc(100vw - 3rem));
  display: flex; flex-direction: column; gap: 1rem;
}
.case-nda-box-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--border-hi);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.case-nda-box-title {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: 1.3rem; color: var(--text);
  letter-spacing: -0.02em;
}
.case-nda-box-desc {
  font-family: var(--ff-ui); font-size: 0.88rem;
  color: var(--text-2); line-height: 1.6;
}
.case-nda-input-row {
  display: flex; gap: 0.5rem;
  margin-top: 0.5rem;
}
.case-nda-input-row input {
  flex: 1;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.7rem 1rem;
  font-family: var(--ff-ui); font-size: 0.9rem;
  color: var(--text);
  outline: none; transition: border-color 0.2s;
}
.case-nda-input-row input:focus { border-color: var(--border-hi); }
.case-nda-input-row button {
  background: var(--accent); border: none;
  border-radius: 8px; padding: 0.7rem 1rem;
  color: #050a06; cursor: pointer;
  display: flex; align-items: center;
  transition: opacity 0.2s;
}
.case-nda-input-row button:hover { opacity: 0.85; }
.case-nda-error {
  font-family: var(--ff-ui); font-size: 0.78rem;
  color: #f87171; min-height: 1em;
}
.case-nda-contact {
  font-family: var(--ff-ui); font-size: 0.78rem;
  color: var(--text-3);
  transition: color 0.2s;
}
.case-nda-contact:hover { color: var(--accent); }

/* ── NEXT PROJECT ──────────────────────────────────────────── */
.case-next {
  border-top: 1px solid var(--border);
  padding: clamp(3rem, 6vh, 5rem) clamp(1.5rem, 5vw, 4rem);
}
.case-next-label {
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 1rem;
}
.case-next-link {
  display: inline-flex; align-items: baseline; gap: 0.75rem;
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(1.6rem, 4vw, 3.5rem);
  letter-spacing: -0.02em; color: var(--text);
  transition: color 0.2s;
}
.case-next-link:hover { color: var(--accent); }
.case-next-link span { font-size: 0.55em; font-weight: 400; }

/* ── SCROLL REVEAL ─────────────────────────────────────────── */
.case-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.case-reveal.is-visible {
  opacity: 1; transform: none;
}
.case-reveal-delay-1 { transition-delay: 0.1s; }
.case-reveal-delay-2 { transition-delay: 0.2s; }
.case-reveal-delay-3 { transition-delay: 0.3s; }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .case-figure-2up,
  .case-figure-3up,
  .case-figure-asymm {
    grid-template-columns: 1fr;
  }
  .case-figure-wide {
    margin-left: 0; margin-right: 0;
  }
  .case-stats {
    gap: 2rem 3rem;
  }
  .case-divider-num { font-size: clamp(2.5rem, 8vw, 4rem); }
  .case-divider-name { font-size: clamp(1.4rem, 5vw, 2.5rem); }
}
@media (max-width: 480px) {
  .case-meta { flex-direction: column; gap: 1.2rem; }
}

@media (hover: none) {
  .cursor, .cursor-ring { display: none; }
  body { cursor: auto; }
  button, a { cursor: pointer; }
}

/* ── IMAGE LIGHTBOX ────────────────────────────────────────── */

/* Prevent page scroll when lightbox is open */
body.lb-open { overflow: hidden; }

/* Figures become clickable */
.case-article figure[data-tip] {
  cursor: none;
  transition: opacity 0.2s;
}
.case-article figure[data-tip]:hover .case-img-placeholder,
.case-article figure[data-tip]:hover img {
  opacity: 0.88;
}

/* ── Overlay ── */
.lightbox {
  position: fixed; inset: 0; z-index: 800;
  display: grid;
  place-items: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.28s var(--ease-out);
}
.lightbox.is-open {
  opacity: 1; pointer-events: auto;
}

.lb-bg {
  position: absolute; inset: 0;
  background: rgba(8, 15, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ── Stage (image + caption) ── */
.lb-stage {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  max-width: min(92vw, 1300px);
  transform: translateY(0);
  transition: transform 0.28s var(--ease-out);
}
.lightbox:not(.is-open) .lb-stage { transform: translateY(24px); }

.lb-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  max-height: 74vh;
  display: flex; align-items: center; justify-content: center;
  cursor: zoom-in;
}
.lb-img-wrap.is-zoomed { cursor: grab; }
.lb-img-wrap.is-panning { cursor: grabbing; }

.lb-img {
  display: block;
  max-width: min(88vw, 1200px);
  max-height: 72vh;
  border-radius: 6px;
  user-select: none;
  -webkit-user-drag: none;
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lb-placeholder {
  width: min(80vw, 900px);
  aspect-ratio: 16 / 10;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1rem;
  color: var(--text-3);
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.lb-placeholder svg { opacity: 0.25; }
.lb-placeholder span {
  font-family: var(--ff-ui); font-size: 0.78rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  opacity: 0.5;
}

.lb-caption {
  margin-top: 1.1rem;
  font-family: var(--ff-ui); font-size: 0.78rem;
  color: var(--text-3); text-align: center;
  max-width: 640px; line-height: 1.6;
}

/* ── Close button ── */
.lb-close {
  position: fixed; top: 1.6rem; right: 1.6rem; z-index: 2;
  width: 40px; height: 40px;
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: rgba(13, 24, 16, 0.7);
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.lb-close:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--text);
  background: rgba(13, 24, 16, 0.9);
}

/* ── Prev / Next ── */
.lb-nav {
  position: fixed; top: 50%; z-index: 2;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: rgba(13, 24, 16, 0.7);
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: none;
  transition: border-color 0.2s, color 0.2s, opacity 0.2s, background 0.2s;
}
.lb-nav:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--text);
  background: rgba(13, 24, 16, 0.9);
}
.lb-nav.is-disabled { opacity: 0.18; pointer-events: none; }
.lb-prev { left: 1.6rem; }
.lb-next { right: 1.6rem; }

/* ── Bottom bar (zoom + counter) ── */
.lb-bar {
  position: fixed; bottom: 1.8rem; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; align-items: center; gap: 0.6rem;
  background: rgba(13, 24, 16, 0.85);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lb-zoom-btn {
  width: 28px; height: 28px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: transparent;
  color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  cursor: none;
  transition: border-color 0.18s, color 0.18s;
}
.lb-zoom-btn:hover { border-color: var(--accent); color: var(--accent); }
.lb-zoom-label {
  font-family: var(--ff-ui); font-size: 0.72rem; font-weight: 600;
  color: var(--text-2); min-width: 3.2rem; text-align: center;
  letter-spacing: 0.04em;
}
.lb-sep {
  width: 1px; height: 16px;
  background: rgba(255,255,255,0.1);
  margin: 0 0.2rem;
}
.lb-counter {
  font-family: var(--ff-ui); font-size: 0.72rem; font-weight: 600;
  color: var(--text-3); letter-spacing: 0.04em;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .lb-nav { display: none; }
  .lb-close { top: 1rem; right: 1rem; }
  .lb-bar { bottom: 1rem; }
}

/* ── HIGHLIGHT ROW (big numbers + label, colored) ──────────── */
.case-highlight-row {
  display: flex; flex-wrap: wrap; gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: clamp(2.5rem, 5vw, 4rem) 0;
}
.case-highlight-item {
  flex: 1 1 160px;
  padding: 2rem 2.2rem;
  border-right: 1px solid var(--border);
}
.case-highlight-item:last-child { border-right: none; }
.case-highlight-num {
  display: block;
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1; letter-spacing: -0.03em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.case-highlight-label {
  font-family: var(--ff-ui); font-size: 0.8rem;
  color: var(--text-3); line-height: 1.45;
}

/* ── PROCESS STEPS ─────────────────────────────────────────── */
.case-steps {
  display: flex; flex-direction: column; gap: 0;
  margin: clamp(2rem, 4vw, 3.5rem) 0;
}
.case-step {
  display: grid; grid-template-columns: 2.5rem 1fr;
  gap: 1.2rem; align-items: start;
  padding: 1.6rem 0;
  border-top: 1px solid var(--border);
}
.case-step:last-child { border-bottom: 1px solid var(--border); }
.case-step-num {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: 0.72rem; color: var(--accent);
  letter-spacing: 0.06em; padding-top: 0.15rem;
}
.case-step-body {}
.case-step-title {
  font-family: var(--ff-ui); font-size: 0.9rem; font-weight: 600;
  color: var(--text); margin-bottom: 0.4rem;
}
.case-step-desc {
  font-family: var(--ff-ui); font-size: 0.88rem;
  color: var(--text-2); line-height: 1.65;
}

/* ── PERSONA CARD ──────────────────────────────────────────── */
.case-persona-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin: clamp(2.5rem, 5vw, 4rem) 0;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}
.case-persona {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 2rem;
  display: flex; flex-direction: column; gap: 1.4rem;
}
.case-persona-head {}
.case-persona-role {
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.5rem;
}
.case-persona-name {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 700;
  font-size: 1.2rem; color: var(--text);
  letter-spacing: -0.02em; margin-bottom: 0.2rem;
}
.case-persona-title {
  font-family: var(--ff-ui); font-size: 0.82rem;
  color: var(--text-3);
}
.case-persona-stats {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.case-persona-stat {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.6rem 0.9rem;
  flex: 1 1 80px;
}
.case-persona-stat-val {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 700;
  font-size: 1.15rem; color: var(--text);
  letter-spacing: -0.02em; display: block;
}
.case-persona-stat-lbl {
  font-family: var(--ff-ui); font-size: 0.68rem;
  color: var(--text-3); line-height: 1.3; display: block;
}
.case-persona-jtbd {
  font-family: var(--ff-ui); font-size: 0.85rem;
  color: var(--text-2); line-height: 1.65;
  font-style: italic;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}
.case-persona-pains {
  display: flex; flex-direction: column; gap: 0.4rem;
}
.case-persona-pains-label {
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 0.2rem;
}
.case-persona-pain {
  font-family: var(--ff-ui); font-size: 0.82rem;
  color: var(--text-2); line-height: 1.5;
  display: flex; gap: 0.5rem; align-items: baseline;
}
.case-persona-pain::before {
  content: '—'; color: var(--accent); font-size: 0.75rem; flex-shrink: 0;
}

/* ── PRINCIPLE GRID ────────────────────────────────────────── */
.case-principle-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--border);
  border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden;
  margin: clamp(2.5rem, 5vw, 4rem) 0;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}
.case-principle {
  background: var(--bg);
  padding: 2rem 2.2rem;
}
.case-principle-name {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 700;
  font-size: 1.1rem; color: var(--text);
  letter-spacing: -0.01em; margin-bottom: 0.7rem;
}
.case-principle-name span {
  display: inline-block; margin-right: 0.5rem;
  font-size: 1rem; color: var(--accent);
}
.case-principle-desc {
  font-family: var(--ff-ui); font-size: 0.85rem;
  color: var(--text-2); line-height: 1.65;
}

/* ── PIVOT TABLE ───────────────────────────────────────────── */
.case-pivot-table {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
  margin: clamp(2.5rem, 5vw, 4rem) 0;
}
.case-pivot-cell {
  background: var(--bg); padding: 1.8rem 2rem;
}
.case-pivot-cell-label {
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 0.8rem;
}
.case-pivot-cell-text {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 500;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  line-height: 1.45; color: var(--text);
  letter-spacing: -0.01em;
}
.case-pivot-cell.is-after .case-pivot-cell-text { color: var(--accent); }

/* ── SOLUTION BLOCK ────────────────────────────────────────── */
.case-solution-label {
  display: flex; align-items: center; gap: 1.2rem;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4rem) 0;
}
.case-solution-num {
  font-family: var(--ff-ui); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.14em; color: var(--accent);
  background: rgba(217,255,0,0.08);
  border: 1px solid rgba(217,255,0,0.2);
  border-radius: 4px; padding: 0.25rem 0.6rem;
}
.case-solution-name {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 700;
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  color: var(--text); letter-spacing: -0.02em;
}

/* ── PROBLEM ISSUES ────────────────────────────────────────── */
.case-issues {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
  margin: clamp(2.5rem, 5vw, 4rem) 0;
}
.case-issue {
  background: var(--bg); padding: 2rem 2.2rem;
}
.case-issue-pct {
  font-family: var(--ff-variable);
  font-variation-settings: "wdth" 100, "wght" 750;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--accent); letter-spacing: -0.03em;
  line-height: 1; margin-bottom: 0.6rem;
}
.case-issue-title {
  font-family: var(--ff-ui); font-size: 0.9rem; font-weight: 600;
  color: var(--text); margin-bottom: 0.5rem;
}
.case-issue-desc {
  font-family: var(--ff-ui); font-size: 0.82rem;
  color: var(--text-3); line-height: 1.6;
}

@media (max-width: 768px) {
  .case-persona-grid,
  .case-principle-grid,
  .case-pivot-table,
  .case-issues {
    grid-template-columns: 1fr;
  }
  .case-highlight-item { border-right: none; border-bottom: 1px solid var(--border); }
  .case-highlight-item:last-child { border-bottom: none; }
}