/* ═══════════════════════════════════════════════
   PROJECT DETAIL — SHARED STYLES
   Used by Space-Archaeology, Illogical-Action,
   Second-Collapse. Same nav, type, sectioning.
═══════════════════════════════════════════════ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink:    oklch(8%  0.005 50);
  --ivory:  oklch(96% 0.006 78);
  --mist:   oklch(70% 0.006 78);
  --dim:    oklch(48% 0.005 78);
  --gold:   oklch(74% 0.10  78);
  --gold-soft: oklch(74% 0.10 78 / .15);
  --line:   oklch(96% 0.006 78 / .10);
  --line-strong: oklch(96% 0.006 78 / .22);
  --paper:  oklch(96% 0.006 78);
}

html { overflow-x: hidden; scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--ivory);
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ═══════ GLOBAL NAV — Apple-style translucent ═══════ */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  background: rgba(22, 22, 23, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: 64px;
}
.topnav__brand {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--ivory);
  opacity: .92;
  line-height: 1.4;
}
.topnav__brand em { font-style: italic; color: var(--gold); }

.topnav__links {
  display: flex;
  gap: 2.4rem;
  list-style: none;
  align-items: center;
}
.topnav__links a {
  font-size: .56rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  opacity: 1;
  transition: color .25s;
  position: relative;
  padding: .3rem 0;
}
.topnav__links a:hover { color: rgba(255, 255, 255, 1); }
.topnav__links a.active { color: rgba(255, 255, 255, 1); }
.topnav__links a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -.32rem;
  transform: translateX(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

/* ═══════ READING PROGRESS ═══════ */
.read-progress {
  position: fixed;
  top: 64px; left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  z-index: 999;
  transition: width .08s linear;
}

/* ═══════ OPENING SECTION ═══════ */
.opening {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 14vh 3rem 8vh;
}

.opening__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(.85) contrast(1.05);
  transform: scale(1.05);
  z-index: 1;
}

.opening__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(to right,  oklch(8% 0.005 50 / .92) 0%, oklch(8% 0.005 50 / .65) 50%, oklch(8% 0.005 50 / .3) 100%),
    linear-gradient(to bottom, oklch(8% 0.005 50 / .35) 0%, oklch(8% 0.005 50 / .85) 100%);
}

.opening__inner {
  position: relative;
  z-index: 3;
  max-width: 1320px;
  width: 100%;
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  font-size: .56rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: .65;
  margin-bottom: 3rem;
  transition: opacity .25s, color .25s;
}
.back-link:hover { opacity: 1; color: var(--gold); }

.opening__eyebrow {
  font-size: .55rem;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.8rem;
}

.opening__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(3rem, 7vw, 7rem);
  line-height: .95;
  letter-spacing: -.03em;
  margin-bottom: 2.4rem;
  max-width: 16ch;
}
.opening__title em { font-style: italic; color: var(--gold); }

.opening__concept {
  font-size: .92rem;
  line-height: 1.85;
  color: var(--ivory);
  opacity: .85;
  max-width: 58ch;
  margin-bottom: 4rem;
  font-weight: 300;
}

.opening__meta {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.meta-label {
  font-size: .52rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--dim);
}
.meta-value {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: .02em;
  color: var(--ivory);
}

.opening__scroll-hint {
  position: absolute;
  bottom: 3.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.opening__scroll-hint span {
  font-size: .5rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: .45;
}
.opening__scroll-hint .line {
  width: 1px;
  height: 2.2rem;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .3; transform: scaleY(1); }
  50%      { opacity: 1;  transform: scaleY(1.3); }
}

/* ═══════ GENERIC SECTION ═══════ */
.section {
  padding: 16vh 3rem;
  position: relative;
}

.section--dark {
  background: oklch(6% 0.005 50);
}

.section--quote {
  padding: 22vh 3rem;
}

.section--installation {
  background: oklch(7% 0.005 50);
}

.section--closing {
  padding: 24vh 3rem 20vh;
}

.section__inner {
  max-width: 1320px;
  margin: 0 auto;
}
.section__inner.narrow { max-width: 880px; }
.section__inner.center { text-align: center; }

.section-eyebrow {
  font-size: .55rem;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2.4rem;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2.2rem, 4.4vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin-bottom: 2.4rem;
  max-width: 22ch;
}
.section-title em { font-style: italic; color: var(--gold); }

.section-lede {
  font-size: .82rem;
  line-height: 2;
  color: var(--mist);
  opacity: .72;
  max-width: 60ch;
  margin-bottom: 4rem;
}

/* ═══════ BIG QUOTE ═══════ */
.big-quote {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(1.8rem, 3.6vw, 3.4rem);
  line-height: 1.32;
  letter-spacing: -.015em;
  color: var(--ivory);
  text-align: center;
  text-wrap: balance;
}
.big-quote em {
  font-style: italic;
  color: var(--gold);
}

/* ═══════ TWO-COL TEXT ═══════ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2rem;
}
.two-col p {
  font-size: .82rem;
  line-height: 2.1;
  color: var(--mist);
  opacity: .72;
}

/* ═══════ TIMELINE ═══════ */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem 2.4rem;
  margin-top: 2rem;
}
.timeline-item {
  position: relative;
  padding: 1.6rem 0 1.6rem 0;
  border-top: 1px solid var(--line);
}
.timeline-year {
  font-size: .6rem;
  letter-spacing: .26em;
  color: var(--gold);
  margin-bottom: 1rem;
}
.timeline-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1.4rem;
  line-height: 1.1;
  margin-bottom: .7rem;
}
.timeline-item p {
  font-size: .72rem;
  line-height: 1.8;
  color: var(--mist);
  opacity: .6;
}

@media (max-width: 920px) {
  .timeline { grid-template-columns: 1fr 1fr; }
}

/* ═══════ RESIDUE CARDS ═══════ */
.residue-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 6rem;
}

.residue-card {
  background: oklch(96% 0.006 78 / .02);
  border: 1px solid var(--line);
  padding: 2.4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.residue-num {
  font-size: .54rem;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: .4rem;
}

.residue-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.7rem;
  line-height: 1.05;
  margin-bottom: .6rem;
}

.residue-card p {
  font-size: .72rem;
  line-height: 1.95;
  color: var(--mist);
  opacity: .7;
}

.residue-card p span {
  display: inline-block;
  min-width: 4.5rem;
  font-size: .56rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: .8;
}

.residue-artifacts {
  border-top: 1px solid var(--line);
  padding-top: 3rem;
}
.residue-artifacts h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1.7rem;
  margin-bottom: 1.4rem;
}
.residue-artifacts ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.residue-artifacts li {
  font-size: .76rem;
  line-height: 1.95;
  color: var(--mist);
  opacity: .7;
  padding-left: 1.2rem;
  position: relative;
}
.residue-artifacts li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--gold);
}
.residue-artifacts strong {
  color: var(--ivory);
  font-weight: 400;
}

@media (max-width: 760px) {
  .residue-grid { grid-template-columns: 1fr; }
  .two-col      { grid-template-columns: 1fr; gap: 1.6rem; }
}

/* ═══════ VOICES ═══════ */
.voices {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.4rem;
}

.voice {
  background: oklch(96% 0.006 78 / .03);
  border: 1px solid var(--line);
  padding: 2.6rem 2.4rem;
}

.voice-tag {
  display: inline-block;
  font-size: .52rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  padding: .4rem .7rem;
  border-radius: 999px;
  margin-bottom: 1.4rem;
  color: var(--ink);
  background: var(--gold);
}
.voice-tag--curiosity { background: oklch(74% 0.12 80); }
.voice-tag--ethics    { background: oklch(70% 0.10 160); color: var(--ink); }
.voice-tag--safety    { background: oklch(68% 0.10 30);  color: var(--ink); }
.voice-tag--memory    { background: oklch(70% 0.09 260); color: var(--ink); }

.voice h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.voice blockquote {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ivory);
  opacity: .82;
  border-left: 1px solid var(--gold);
  padding-left: 1.2rem;
}

@media (max-width: 760px) {
  .voices { grid-template-columns: 1fr; }
}

/* ═══════ PROCESS GRID ═══════ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.process-step {
  padding: 2rem 0 0;
  border-top: 1px solid var(--line);
}
.process-num {
  font-size: .56rem;
  letter-spacing: .28em;
  color: var(--gold);
  margin-bottom: 1.2rem;
  display: block;
}
.process-step h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.4rem;
  margin-bottom: .8rem;
}
.process-step p {
  font-size: .72rem;
  line-height: 1.9;
  color: var(--mist);
  opacity: .7;
}

@media (max-width: 920px) {
  .process-grid { grid-template-columns: 1fr 1fr; }
}

/* ═══════ FLOW GRID (final presentation) ═══════ */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.flow-step {
  background: oklch(96% 0.006 78 / .03);
  border: 1px solid var(--line);
  padding: 2.4rem 2rem;
  position: relative;
}
.flow-step span {
  font-size: .54rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 1.2rem;
}
.flow-step h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.1;
  margin-bottom: .8rem;
  color: var(--ivory);
}
.flow-step p {
  font-size: .72rem;
  line-height: 1.85;
  color: var(--mist);
  opacity: .65;
}

@media (max-width: 760px) {
  .flow-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
}

/* ═══════ CLOSING ═══════ */
.closing-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2.2rem, 4.4vw, 4rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin-bottom: 3rem;
  color: var(--ivory);
}
.closing-body {
  font-size: .98rem;
  line-height: 1.95;
  color: var(--mist);
  opacity: .8;
  max-width: 58ch;
  margin: 0 auto;
}
.closing-body em { font-style: italic; color: var(--gold); }

.closing-rule {
  width: 40px; height: 1px;
  background: var(--gold); opacity: .4;
  margin: 4rem auto;
}

.closing-sig {
  font-size: .55rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ═══════ NEXT PROJECT ═══════ */
.next-project {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.next-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 3rem;
  align-items: center;
  max-width: 1320px;
  margin: 0 auto;
  padding: 10vh 3rem;
  cursor: pointer;
  transition: background .35s;
}
.next-link:hover { background: oklch(96% 0.006 78 / .025); }

.next-label {
  font-size: .55rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
}
.next-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(1.8rem, 3.6vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.015em;
}
.next-title em { font-style: italic; color: var(--gold); }

.next-arrow {
  font-size: 2rem;
  color: var(--gold);
  opacity: .7;
  transition: transform .35s, opacity .35s;
}
.next-link:hover .next-arrow {
  transform: translateX(10px);
  opacity: 1;
}

@media (max-width: 760px) {
  .next-link { grid-template-columns: 1fr; gap: 1rem; }
}

/* ═══════ FOOTER (same as Projects) ═══════ */
.site-footer {
  max-width: 1320px;
  margin: 0 auto;
  padding: 6vh 3rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.site-footer h4 {
  font-size: .55rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.6rem;
  font-weight: 400;
}
.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 2rem;
  line-height: 1;
  color: var(--ivory);
  margin-bottom: 1rem;
}
.footer-brand em { font-style: italic; color: var(--gold); }
.footer-tagline {
  font-size: .7rem;
  line-height: 1.9;
  color: var(--mist);
  opacity: .6;
  max-width: 38ch;
}
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: .9rem; }
.site-footer ul a {
  font-size: .65rem;
  letter-spacing: .1em;
  color: var(--mist);
  opacity: .7;
  transition: opacity .25s, color .25s;
}
.site-footer ul a:hover { opacity: 1; color: var(--ivory); }
.copyright {
  grid-column: 1 / -1;
  padding-top: 4rem;
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: .54rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ═══════ MOBILE ═══════ */
@media (max-width: 880px) {
  .topnav { padding: 1rem 1.5rem; }
  .topnav__links { gap: 1.2rem; }
  .topnav__links a { font-size: .5rem; }
  .opening { padding: 12vh 1.5rem 6vh; }
  .section { padding: 10vh 1.5rem; }
  .site-footer {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 4vh 1.5rem;
  }
  .copyright { flex-direction: column; gap: 1rem; }
}

/* ═══════ FADE-IN ENTRANCE ═══════ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 1s cubic-bezier(.4,0,.2,1),
    transform 1s cubic-bezier(.4,0,.2,1);
}
.fade-up.in {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════ NON-TELEOLOGICAL SPECIFIC ═══════ */
/* Used by Illogical-Action.html */

.belief-list {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-top: 4rem;
}

.belief-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 2.4rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
  transition: background .35s;
}
.belief-row:hover { background: oklch(96% 0.006 78 / .025); }

.belief-num {
  font-size: .58rem;
  letter-spacing: .3em;
  color: var(--gold);
}

.belief-text {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 2rem);
  line-height: 1.3;
  color: var(--ivory);
}

/* Phase steps (timeline) */
.phase-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.6rem;
  margin-top: 2rem;
}

.phase {
  position: relative;
  padding-top: 2.4rem;
  border-top: 1px solid var(--line);
}

.phase-num {
  position: absolute;
  top: -.4rem;
  left: 0;
  width: 24px; height: 24px;
  background: var(--gold);
  color: var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .58rem;
  font-weight: 400;
}

.phase h4 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1rem;
  margin-bottom: .6rem;
  line-height: 1.2;
}

.phase p {
  font-size: .65rem;
  line-height: 1.7;
  color: var(--mist);
  opacity: .7;
}

@media (max-width: 920px) {
  .phase-steps { grid-template-columns: 1fr 1fr; }
}

/* ═══════ COLLAPSE SPECIFIC ═══════ */
.collapse-hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 14vh 3rem 8vh;
}

.collapse-stages {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 2rem;
}

.collapse-stage {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}

.collapse-stage h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(1.8rem, 3.4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -.015em;
}
.collapse-stage h3 em { font-style: italic; color: var(--gold); }

.collapse-stage p {
  font-size: .82rem;
  line-height: 2.05;
  color: var(--mist);
  opacity: .72;
}

@media (max-width: 760px) {
  .collapse-stage { grid-template-columns: 1fr; gap: 1.4rem; }
}

/* ═══════ FULL FIGURE — cinematic page-width image ═══════ */
.full-figure {
  margin: 4rem 0 0;
  position: relative;
}

.full-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  box-shadow:
    0 32px 90px oklch(2% 0.005 240 / .55),
    0 8px 24px oklch(2% 0.005 240 / .35),
    inset 0 0 0 1px oklch(96% 0.006 78 / .06);
}

.full-figure figcaption {
  display: block;
  margin-top: 1rem;
  padding: 0;
  font-size: .54rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--dim);
  text-align: left;
}

/* Half-and-half image grid */
.figure-pair {
  margin: 4rem 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2vw;
}

.figure-pair .full-figure { margin: 0; }

@media (max-width: 760px) {
  .figure-pair { grid-template-columns: 1fr; gap: 2rem; }
}