/* ---------------------------------------------------------------
   PORTFOLIO INDEX
   --------------------------------------------------------------- */
.page {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 9.5rem 2rem 6rem;
}

.header {
  margin-bottom: 3rem;
}

.header__index {
  margin-bottom: 1.75rem;
}

.header__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--ink-primary);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}
.header__title em {
  font-style: italic;
  font-weight: 300;
  color: var(--ink-secondary);
}

.header__lede {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-secondary);
  max-width: 56ch;
}

/* ---------------------------------------------------------------
   WORK LIST
   --------------------------------------------------------------- */
.work-list {
  border-top: 1px solid var(--rule-medium);
}

.work {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule-faint);
  position: relative;
  transition: padding-left 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
  outline: none;
}
.work:focus-visible {
  outline: 1px solid var(--rule-medium);
  outline-offset: 4px;
  border-radius: 2px;
}

.work__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: baseline;
}

.work__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  text-align: right;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.work__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-oxblood);
  display: block;
  transition: color 0.25s ease;
}


/* Field-notes meta — date + reading time (mirrors LBD post-card) */
.work__date {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  display: block;
  transition: color 0.25s ease;
}
.work__reading-time {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
  display: block;
  transition: color 0.25s ease;
}
.work:hover .work__date { color: var(--ink-primary); }
.work:hover .work__reading-time { color: var(--ink-secondary); }

.work:hover .work__num { color: var(--accent-rust); }

.work__main { min-width: 0; }

.work__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.015em;
  color: var(--ink-primary);
  line-height: 1.2;
  margin-bottom: 0.65rem;
  transition: color 0.25s ease;
}
.work__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--ink-secondary);
}

.work__desc {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink-secondary);
  line-height: 1.55;
  max-width: 58ch;
  transition: color 0.25s ease;
}

.work:hover .work__desc { color: var(--ink-primary); }

.work__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  padding: 4px 9px;
  border: 1px solid #8e8e8e;
  border-radius: 999px;
  background: transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.tag:hover {
  color: var(--accent-rust);
  border-color: var(--accent-rust);
}

.work:hover .work__title,
.work:hover .work__title em { color: var(--accent-rust); }

/* Empty-slot placeholders for future case studies */
.work--empty {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule-faint);
  opacity: 0.5;
}
.work--empty .work__title {
  font-style: italic;
  color: var(--ink-tertiary);
}
.work--empty .work__meta {
  color: var(--ink-quaternary);
}

/* ---------------------------------------------------------------
   VIEW TOGGLE — Case Studies / Field Notes
   --------------------------------------------------------------- */
.view-toggle {
  display: flex;
  align-items: center;
  margin-bottom: 0;
  border-bottom: 1px solid var(--rule-medium);
  width: fit-content;
}

.view-toggle__btn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 0 10px;
  margin-right: 2rem;
  position: relative;
  transition: color 0.25s ease;
  outline: none;
}
.view-toggle__btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-rust);
  transition: width 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.view-toggle__btn.is-active { color: var(--ink-primary); font-weight: 500; }
.view-toggle__btn.is-active::after { width: 100%; }
.view-toggle__btn:hover:not(.is-active) { color: var(--ink-secondary); }

/* ---------------------------------------------------------------
   VIEW CONTAINERS
   --------------------------------------------------------------- */
.view { display: none; }
.view.is-visible {
  display: block;
  animation: view-rise 0.38s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
@keyframes view-rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .view.is-visible { animation: none; opacity: 1; }
}

/* ---------------------------------------------------------------
   CALLOUT — reusable bar-and-text component
   --------------------------------------------------------------- */
.callout {
  padding: 2.5rem 0 3rem;
  border-bottom: 1px solid var(--rule-faint);
}
.callout__body {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-tertiary);
  line-height: 1.75;
}
.callout__body em {
  font-style: italic;
}
.callout__body a { color: var(--accent-rust); text-decoration: none; }
.callout__body a:hover { text-decoration: none; }

.callout__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-secondary);
  text-decoration: none;
  transition: color 0.25s ease, gap 0.25s ease;
  vertical-align: middle;
}
.callout__cta:hover { color: var(--accent-rust); gap: 0.65rem; }
.callout__cta-rule {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
  transition: width 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.callout__cta:hover .callout__cta-rule { width: 48px; }
.callout__cta-label { transition: color 0.25s ease; }
.callout__cta-arrow {
  display: inline-block;
  line-height: 1;
  vertical-align: middle;
  margin-top: -0.5px;
  font-style: normal;
  transition: transform 0.25s ease;
}
.callout__cta:hover .callout__cta-arrow { transform: translate(2px, -2px); }

/* ---------------------------------------------------------------
   FIELD NOTES — loading skeletons & error states
   --------------------------------------------------------------- */
.fn-skeleton {
  padding: 2.5rem 0;
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 2rem;
  align-items: start;
}
.skel {
  background: #8e8e8e;
  border-radius: 2px;
  animation: skel-pulse 1.8s ease-in-out infinite;
}
.skel--num  { width: 40px; height: 11px; margin-top: 6px; }
.skel--title { height: 24px; margin-bottom: 10px; }
.skel--line  { height: 11px; margin-bottom: 6px; }
.skel--meta  { height: 11px; width: 64px; margin-left: auto; }
@keyframes skel-pulse { 0%,100%{opacity:.35} 50%{opacity:.75} }

.fn-error {
  padding: 2.5rem 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 2rem;
  align-items: baseline;
}
.fn-error__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-quaternary);
}
.fn-error__msg {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink-tertiary);
  line-height: 1.55;
}
.fn-error__msg a { color: var(--accent-rust); text-decoration: none; }
.fn-error__msg a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------
   RESPONSIVE
   --------------------------------------------------------------- */
@media (max-width: 720px) {
  .page { padding: 6rem 1.25rem 4rem; }
  .header { margin-bottom: 3rem; }
  .header__title { font-size: 32px; }
  .header__lede { font-size: 15.5px; }
  .work { padding: 2rem 0; }
  .work__row { grid-template-columns: 1fr; gap: 0.75rem; }
  .work__title { font-size: 21px; }
  .work__meta { text-align: left; flex-direction: row; gap: 0.75rem; order: -1; }
}