/* =========================================================
   Legendev — /work/ case study pages
   Tokens from /shared/brand.css. Editorial, ruled, flat —
   same language as the homepage.
   ========================================================= */

.cs-main { max-width: 900px; padding: 56px 24px 90px; }
.cs-back {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--text-faint); text-transform: uppercase; transition: color .2s;
}
.cs-back:hover { color: var(--accent); }

/* hero */
.cs-hero { margin: 18px 0 56px; }
.cs-titlerow { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.cs-hero h1 {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.1rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.02;
}
.cs-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 6px; border: 1px solid var(--border); color: var(--text-dim);
}
.cs-badge.live { color: var(--green); border-color: rgba(74,222,128,0.35); }
.cs-badge.personal { color: var(--accent); border-color: rgba(109,158,255,0.35); }
.cs-oneliner { color: var(--text-dim); font-size: clamp(1rem, 2vw, 1.2rem); max-width: 60ch; margin: 18px 0 26px; }
.cs-oneliner strong { color: var(--text); }
.cs-pills {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  margin-bottom: 26px;
}
.cs-pills .cell { padding: 16px 14px; border-left: 1px solid var(--border); }
.cs-pills .cell:first-child { border-left: 0; padding-left: 2px; }
.cs-pills .n { font-family: var(--font-display); font-size: clamp(1.1rem, 2.4vw, 1.5rem); font-weight: 700; letter-spacing: -0.02em; }
.cs-pills .l { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-faint); margin-top: 3px; }
.cs-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* sections */
.cs-section { margin: 52px 0; }
.cs-rule { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.cs-rule .no { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.08em; }
.cs-rule .line { flex: 1; height: 1px; background: var(--border-soft); }
.cs-section h2 {
  font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700; letter-spacing: -0.03em; margin-bottom: 16px;
}
.cs-section p { color: var(--text-dim); font-size: 15.5px; max-width: 68ch; margin-bottom: 12px; }
.cs-section p strong { color: var(--text); }

/* architecture flow */
.cs-flow { display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; margin: 22px 0 6px; }
.cs-flow .step {
  flex: 1 1 120px; min-width: 110px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 12px; text-align: center;
  font-family: var(--font-mono); font-size: 11.5px; line-height: 1.5; color: var(--text);
  display: flex; align-items: center; justify-content: center;
}
.cs-flow .arrow { display: flex; align-items: center; color: var(--text-faint); font-size: 15px; }
@media (max-width: 700px) {
  .cs-flow { flex-direction: column; }
  .cs-flow .arrow { justify-content: center; transform: rotate(90deg); }
}

/* features */
.cs-features { list-style: none; display: flex; flex-direction: column; }
.cs-features li {
  padding: 15px 2px; border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim); font-size: 14.5px; line-height: 1.65; max-width: none;
}
.cs-features li:first-child { border-top: 1px solid var(--border-soft); }
.cs-features li strong { color: var(--text); }

/* stack groups */
.cs-stack .group { display: flex; gap: 16px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--border-soft); flex-wrap: wrap; }
.cs-stack .group:first-child { border-top: 1px solid var(--border-soft); }
.cs-stack .g-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); min-width: 90px; }
.cs-stack .g-items { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-dim); line-height: 1.9; }

/* impact cards */
.cs-impact { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.cs-impact .card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px;
}
.cs-impact .n { font-family: var(--font-display); font-size: clamp(1.7rem, 3.5vw, 2.3rem); font-weight: 700; letter-spacing: -0.03em; color: var(--accent); line-height: 1; }
.cs-impact .l { font-weight: 600; font-size: 13.5px; margin-top: 8px; color: var(--text); }
.cs-impact .c { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); margin-top: 5px; line-height: 1.5; }

/* decisions */
.cs-decisions .dec { padding: 18px 0; border-bottom: 1px solid var(--border-soft); }
.cs-decisions .dec:first-child { border-top: 1px solid var(--border-soft); }
.cs-decisions h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.cs-decisions p { margin-bottom: 0; }

/* system internals table */
.cs-int { width: 100%; border-collapse: collapse; font-size: 13px; }
.cs-int th { text-align: left; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); padding: 9px 12px 9px 2px; border-bottom: 1px solid var(--border); }
.cs-int td { padding: 10px 12px 10px 2px; border-bottom: 1px solid var(--border-soft); vertical-align: top; color: var(--text-dim); line-height: 1.55; }
.cs-int td:first-child { font-family: var(--font-mono); font-size: 12px; color: var(--text); white-space: nowrap; }
.cs-int .m { font-family: var(--font-mono); font-size: 11.5px; color: var(--accent); }

/* safety / reliability list */
.cs-safety { list-style: none; }
.cs-safety li { padding: 12px 2px; border-bottom: 1px solid var(--border-soft); color: var(--text-dim); font-size: 14px; line-height: 1.6; }
.cs-safety li:first-child { border-top: 1px solid var(--border-soft); }
.cs-safety strong { color: var(--text); }
.cs-safety .m { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }

/* footer */
.cs-footer { border-top: 1px solid var(--border-soft); padding: 26px 0; }
.cs-footer .container { font-size: 13px; color: var(--text-faint); display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.cs-footer a { color: var(--text-dim); }
.cs-footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .cs-pills { grid-template-columns: repeat(2, 1fr); }
  .cs-pills .cell { border-left: 0; border-top: 1px solid var(--border); }
  .cs-pills .cell:nth-child(-n+2) { border-top: 0; }
  .cs-pills .cell:nth-child(2n) { border-left: 1px solid var(--border); }
}