/* =========================================================
   Giuseppe Orellana — pages.css
   About, Work index, and Case study layouts.
   Loaded in addition to styles.css on those pages.
   ========================================================= */

/* ---------- Generic page header ---------- */
.page-head {
  padding: clamp(2.25rem, 5vw, 4.5rem) var(--pad) clamp(1.75rem, 3.5vw, 2.75rem);
  border-bottom: 1px solid var(--line);
}
.crumb {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}
.crumb a { color: var(--mute); transition: color 0.12s var(--ease); }
.crumb a:hover { color: var(--ink); }
.crumb .sep { color: var(--line-2); }
.crumb .here { color: var(--ink); }
.page-title { max-width: 18ch; }
.page-dek { margin-top: clamp(1rem, 2.5vw, 1.5rem); color: var(--mute); max-width: 56ch; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem) 0;
  padding: clamp(2rem, 5vw, 3.5rem) var(--pad);
}
/* Mobile: portrait leads the page */
.about-side { order: -1; }
@media (min-width: 900px) {
  .about-wrap {
    grid-template-columns: minmax(18rem, 26rem) 1fr;
    gap: 0 clamp(2.75rem, 5vw, 5rem);
    align-items: start;
  }
  .about-side { order: 0; grid-column: 1; grid-row: 1; }
  .about-prose { grid-column: 2; grid-row: 1; }
}
.about-prose { max-width: 60ch; }
.about-prose p { font-size: 1.125rem; line-height: 1.62; margin-bottom: 1.4em; }
.about-prose p:first-child {
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.34;
  letter-spacing: -0.018em;
  margin-bottom: 1.5em;
}
.about-prose .human {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 1.0625rem;
  color: var(--ink);
}
.about-prose .human .label { display: block; margin-bottom: 0.75rem; }
.about-cta { margin-top: clamp(2rem, 4vw, 2.75rem); display: flex; flex-wrap: wrap; gap: 0.6rem; }

.about-side { position: relative; }
@media (min-width: 900px) { .about-side { position: sticky; top: 4.5rem; } }
.about-portrait { margin-bottom: 1.5rem; }
.about-portrait .ph__note { font-size: 0.78rem; }
.about-side .facts { border-top: 1px solid var(--line); }
.about-prose-fig { margin-top: 2.5rem; }

/* =========================================================
   WORK INDEX  (reuses .entry / .feat from styles.css)
   ========================================================= */
.work-note {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--mute);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.work-note .acc { color: var(--acc); }

/* =========================================================
   CASE STUDY
   ========================================================= */

/* Reading progress */
.reading-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 60;
  background: var(--line);
}
.reading-progress span {
  display: block;
  height: 100%;
  background: var(--ink);
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* Header */
.cs-head { padding: clamp(2rem, 5vw, 4rem) var(--pad) clamp(1.75rem, 3.5vw, 2.5rem); }
.cs-kicker { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--acc); margin-bottom: 1.1rem; }
.cs-title {
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 555;
  max-width: 22ch;
  text-wrap: balance;
}
.cs-dek {
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.45;
  letter-spacing: -0.012em;
  color: var(--mute);
  max-width: 52ch;
}

/* Hero figure */
.cs-hero-fig { padding: clamp(1.5rem, 3vw, 2.5rem) var(--pad) 0; }

/* Body grid: sticky TOC + reading column */
.cs-body { padding: clamp(2rem, 4vw, 3.5rem) var(--pad) 0; }
.cs-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
@media (min-width: 940px) {
  .cs-grid { grid-template-columns: 12rem 1fr; gap: 0 clamp(2.5rem, 5vw, 5rem); }
}

.cs-toc { display: none; }
@media (min-width: 940px) {
  .cs-toc {
    display: block;
    position: sticky;
    top: 4.5rem;
    align-self: start;
    font-family: var(--mono);
    font-size: 0.72rem;
  }
}
.cs-toc ol { list-style: none; margin: 0; padding: 0; }
.cs-toc a {
  display: block;
  padding: 0.4rem 0 0.4rem 0.85rem;
  border-left: 1px solid var(--line);
  color: var(--faint);
  letter-spacing: 0.02em;
  transition: color 0.12s var(--ease), border-color 0.12s var(--ease);
}
.cs-toc a:hover { color: var(--mute); }
.cs-toc a[aria-current="true"] { color: var(--ink); border-left-color: var(--ink); }
.cs-toc .toc-meta { margin-top: 1.5rem; padding-left: 0.85rem; color: var(--faint); line-height: 1.5; }

/* Reading column */
.cs-main { min-width: 0; }
.prose { max-width: 68ch; }
.prose p { font-size: 1.125rem; line-height: 1.62; margin-bottom: 1.3em; }
.prose p strong, .prose .em { color: var(--acc); font-weight: 540; }
.prose .num-em { color: var(--ink); font-weight: 540; }
.prose .cs-aside {
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--mute);
  border-left: 2px solid var(--line-2);
  padding-left: 1rem;
  margin-bottom: 1.3em;
  max-width: 60ch;
}
.prose .cs-aside .k { color: var(--ink); text-transform: uppercase; letter-spacing: 0.1em; margin-right: 0.5em; }

/* Section */
.sec { padding: clamp(2.25rem, 4.5vw, 3.5rem) 0; border-top: 1px solid var(--line); scroll-margin-top: 4.5rem; }
.sec:first-of-type { border-top: 0; padding-top: 0; }
.sec__label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 1.25rem;
}
.sec__label .n { color: var(--acc); }
.sec__h { font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.08; letter-spacing: -0.022em; margin-bottom: 1.25rem; max-width: 24ch; }

/* TL;DR block */
.tldr { border: 1px solid var(--ink); }
.tldr__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--mute);
}
.tldr__meta .k { color: var(--ink); }
.tldr__body { padding: 1.1rem 1.1rem 1.25rem; }
.tldr__body p { font-size: 1.0625rem; line-height: 1.55; margin: 0; }
.tldr__body .em { color: var(--acc); }

/* Exhibits — figure + caption as a bound unit */
.exhibits { display: flex; flex-direction: column; gap: clamp(2rem, 4vw, 3.25rem); margin-top: 1.75rem; }
.exhibit { border-top: 1px solid var(--line); padding-top: clamp(1.25rem, 2.5vw, 1.75rem); margin: 0; }
.exhibit__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}
.exhibit__head .ex-n { color: var(--acc); }
.exhibit__cap { margin-top: 1.1rem; display: grid; gap: 0.6rem; max-width: 60ch; }
.exhibit__cap h4 { font-size: 1.2rem; letter-spacing: -0.018em; line-height: 1.2; }
.exhibit__cap p { font-size: 1.0125rem; line-height: 1.56; color: var(--mute); margin: 0; }
.exhibit__cap .em { color: var(--acc); }
.exhibit__note {
  margin-top: 1.1rem;
  padding: 0.8rem 1rem;
  border: 1px dashed var(--line-2);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--mute);
}
.exhibit__note .k { color: var(--ink); text-transform: uppercase; letter-spacing: 0.1em; }

/* Mentioned/briefly list */
.brief-list { list-style: none; margin: 1.25rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.brief-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); display: grid; gap: 0.35rem; }
.brief-list .b-h { font-weight: 540; letter-spacing: -0.01em; }
.brief-list .b-d { color: var(--mute); font-size: 1rem; line-height: 1.5; }

/* Outcome metrics — plain text, no counters */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 0.5rem;
}
.metric-cell { background: var(--paper); padding: clamp(1.1rem, 2vw, 1.5rem) 1.1rem; }
.metric-cell .big { font-size: clamp(1.9rem, 3.6vw, 2.85rem); line-height: 1; letter-spacing: -0.035em; font-weight: 555; }
.metric-cell .big .unit { font-size: 0.55em; letter-spacing: -0.01em; }
.metric-cell .lab { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em; color: var(--mute); margin-top: 0.6rem; line-height: 1.4; }

/* Next case study */
.cs-next {
  border-top: 1px solid var(--ink);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(2rem, 4vw, 3rem) var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: inherit;
  transition: background 0.1s var(--ease);
}
.cs-next:hover { background: var(--ink); }
.cs-next:hover, .cs-next:hover * { color: var(--paper); }
.cs-next .nx-label { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--mute); margin-bottom: 0.5rem; }
.cs-next .nx-title { font-size: clamp(1.3rem, 2.8vw, 2rem); letter-spacing: -0.025em; font-weight: 545; max-width: 18ch; }
.cs-next .nx-ar { font-size: clamp(1.5rem, 3vw, 2.25rem); flex: none; }