/* =============================================
   MATI-42 · Archive Portfolio
   Design: Worn archive document + repair workshop
   ============================================= */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:      #1a1208;
  --paper:    #f0e8d8;
  --parchment:#e8dcc5;
  --rust:     #8b4a1a;
  --gold:     #a07828;
  --copper:   #b86c2a;
  --warm-mid: #6b4a28;
  --dim:      #3d2e1a;
  --muted:    #7a6448;
  --rule:     rgba(100, 70, 30, 0.25);
  --rule-strong: rgba(100, 70, 30, 0.5);
  --noise:    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");

  --sans: 'Courier New', 'Courier', monospace;
  --serif: Georgia, 'Times New Roman', serif;

  --section-gap: 6rem;
  --content-max: 1100px;
  --text-max: 720px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--parchment);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* =============================================
   LOADING SCREEN
   ============================================= */

#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--ink);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-mark {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--gold);
  letter-spacing: 0.3em;
  font-style: italic;
}

.loading-status {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.loading-bar-wrap {
  width: min(300px, 60vw);
  height: 1px;
  background: var(--dim);
  position: relative;
  overflow: hidden;
}

.loading-bar {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: var(--gold);
  width: 0%;
  transition: width 0.1s linear;
}

/* =============================================
   NAV
   ============================================= */

#archive-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 10, 5, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule-strong);
  padding: 0 2rem;
  transform: translateY(-100%);
  transition: transform 0.4s ease;
}

#archive-nav.visible {
  transform: translateY(0);
}

.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-logo {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
  display: block;
  padding: 0 0.9rem;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  height: 52px;
  line-height: 52px;
  border-right: 1px solid var(--rule);
  transition: color 0.2s;
}

.nav-links a:first-child { border-left: 1px solid var(--rule); }
.nav-links a:hover, .nav-links a.active { color: var(--gold); }

/* =============================================
   HERO / ARCHIVE ENTRANCE
   ============================================= */

#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--ink);
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
}

.hero-video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.hero-video-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15,10,5,0.2) 0%,
    rgba(15,10,5,0.0) 40%,
    rgba(15,10,5,0.7) 70%,
    rgba(15,10,5,0.96) 100%
  );
}

/* Corner marks */
.hero::before, .hero::after {
  content: '';
  position: absolute;
  width: 40px; height: 40px;
  border-color: var(--gold);
  border-style: solid;
  opacity: 0.4;
  z-index: 2;
}
.hero::before { top: 1.5rem; left: 1.5rem; border-width: 1px 0 0 1px; }
.hero::after  { bottom: 1.5rem; right: 1.5rem; border-width: 0 1px 1px 0; }

.hero-coords {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.12em;
  z-index: 3;
  text-align: right;
  line-height: 1.8;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 3rem 2rem 4rem;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.hero-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
}

h1.hero-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(3.5rem, 10vw, 7rem);
  color: var(--paper);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}

.hero-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.hero-desc {
  font-size: 13px;
  color: var(--muted);
  max-width: 440px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.btn-archive {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.75rem 1.8rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.btn-archive:hover {
  background: var(--gold);
  color: var(--ink);
}

.btn-archive .arrow {
  font-size: 14px;
  transition: transform 0.2s;
}

.btn-archive:hover .arrow { transform: translateX(4px); }

/* =============================================
   SECTION WRAPPER / COMMON
   ============================================= */

.archive-section {
  padding: var(--section-gap) 2rem;
  position: relative;
}

.archive-section + .archive-section {
  border-top: 1px solid var(--rule);
}

.section-inner {
  max-width: var(--content-max);
  margin: 0 auto;
}

/* Section header */
.section-head {
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
}

.section-index {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
  padding-top: 0.15em;
  white-space: nowrap;
}

.section-titles h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-style: italic;
  color: var(--paper);
  line-height: 1.1;
  margin-bottom: 0.3rem;
}

.section-titles .section-subtitle {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-rule {
  height: 1px;
  background: var(--rule-strong);
  margin: 2rem 0 3rem;
}

/* Text blocks */
.body-text {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--parchment);
  line-height: 1.85;
  max-width: var(--text-max);
}

.body-text p + p { margin-top: 1em; }

.caption {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
  line-height: 1.5;
}

/* Keyword tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tag {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--rule-strong);
  color: var(--muted);
}

/* =============================================
   IMAGE COMPONENTS
   ============================================= */

/* Image with hover caption */
.img-wrap {
  position: relative;
  overflow: hidden;
  cursor: default;
  display: block;
  background: var(--dim);
}

.img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.3s;
}

.img-wrap:hover img { opacity: 0.8; }

.img-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(15, 10, 5, 0.88);
  border-top: 1px solid var(--rule-strong);
  padding: 0.6rem 0.8rem;
  font-size: 11px;
  color: var(--parchment);
  letter-spacing: 0.05em;
  transform: translateY(100%);
  transition: transform 0.25s ease;
}

.img-wrap:hover .img-caption { transform: translateY(0); }

/* Stamp overlay for AI images */
.img-stamp {
  position: absolute;
  top: 0.6rem; right: 0.6rem;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border: 1px solid;
  font-weight: bold;
}

.stamp-selected { border-color: var(--gold); color: var(--gold); background: rgba(160,120,40,0.15); }
.stamp-rejected { border-color: var(--rust); color: var(--rust); background: rgba(139,74,26,0.15); }
.stamp-partial  { border-color: var(--muted); color: var(--muted); background: rgba(100,80,50,0.15); }

/* =============================================
   GRID LAYOUTS
   ============================================= */

/* 2-col grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* 3-col grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

/* Asymmetric grid: wide + narrow */
.grid-wide-narrow {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

/* Mixed height grid */
.grid-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 0.8rem;
}

.grid-mosaic .span-2 { grid-column: span 2; }
.grid-mosaic .span-2-row { grid-row: span 2; }
.grid-mosaic .span-4 { grid-column: span 4; }

/* =============================================
   TIMELINE / LOG
   ============================================= */

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--rule-strong);
}

.timeline-entry {
  position: relative;
  padding-bottom: 3rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-entry.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-entry::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.4em;
  width: 6px; height: 6px;
  background: var(--gold);
  transform: translateX(-2px);
  border-radius: 50%;
}

.timeline-label {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--paper);
  margin-bottom: 0.6rem;
}

.timeline-body {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 1rem;
}

/* =============================================
   BEFORE / AFTER SLIDER
   ============================================= */

.before-after {
  position: relative;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
}

.before-after .after-img,
.before-after .before-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.before-after .after-img {
  clip-path: inset(0 50% 0 0);
}

.ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--gold);
  transform: translateX(-50%);
  cursor: ew-resize;
}

.ba-handle::before {
  content: '◂ ▸';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--gold);
  color: var(--ink);
  font-size: 10px;
  padding: 0.3rem 0.5rem;
  white-space: nowrap;
  letter-spacing: 0.1em;
}

.ba-labels {
  position: absolute;
  bottom: 0.8rem;
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 0.8rem;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  pointer-events: none;
}

.ba-labels span {
  background: rgba(15,10,5,0.8);
  padding: 0.2rem 0.5rem;
  color: var(--muted);
}

/* =============================================
   VIDEO PLAYER
   ============================================= */

.video-block {
  background: #000;
  position: relative;
}

.video-block video {
  width: 100%;
  display: block;
}

.video-label {
  padding: 0.6rem 0;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rule);
}

/* =============================================
   RECORD TABLE
   ============================================= */

.record-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: var(--parchment);
}

.record-table th {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--rule-strong);
  font-weight: normal;
}

.record-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.5;
}

.record-table td:first-child { color: var(--gold); font-size: 10px; letter-spacing: 0.1em; }

/* =============================================
   PROMPT BLOCK
   ============================================= */

.prompt-block {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--rule-strong);
  border-left: 2px solid var(--gold);
  padding: 1rem 1.2rem;
  font-size: 12px;
  color: var(--parchment);
  line-height: 1.7;
  font-family: var(--sans);
}

.prompt-label {
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

/* =============================================
   NOTE / MEMO BOX
   ============================================= */

.memo-box {
  border: 1px solid var(--rule-strong);
  padding: 1.2rem 1.5rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  position: relative;
}

.memo-box::before {
  content: attr(data-label);
  position: absolute;
  top: -0.6em;
  left: 1rem;
  background: var(--ink);
  padding: 0 0.4rem;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-style: normal;
}

/* =============================================
   FINAL GALLERY
   ============================================= */

.gallery-hero {
  width: 100%;
  aspect-ratio: 16/9;
  margin-bottom: 1.2rem;
}

.gallery-row {
  display: grid;
  gap: 0.8rem;
}

.gallery-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.gallery-row.cols-2 { grid-template-columns: repeat(2, 1fr); }

.gallery-img {
  aspect-ratio: 4/3;
}

.gallery-img.wide {
  aspect-ratio: 16/9;
}

.gallery-img.square {
  aspect-ratio: 1;
}

/* =============================================
   REPAIR MEMO (REFLECTION)
   ============================================= */

.memo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.memo-col h3 {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule-strong);
}

.memo-col ul {
  list-style: none;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.memo-col ul li { padding: 0.3rem 0; }
.memo-col ul li::before { content: '— '; color: var(--gold); }

/* Tools list */
.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 2rem;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}

/* =============================================
   SCROLL CONNECTOR LINE
   ============================================= */

.thread-connector {
  display: flex;
  justify-content: center;
  padding: 2rem 0;
  overflow: hidden;
}

.thread-svg {
  width: 100%;
  max-width: 120px;
  height: 80px;
  opacity: 0.3;
}

/* =============================================
   SCROLL REVEAL
   ============================================= */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================================
   MOBILE RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
  :root { --section-gap: 4rem; }

  .nav-links a { padding: 0 0.5rem; font-size: 9px; }

  .section-head { grid-template-columns: 1fr; gap: 0.5rem; }

  .grid-2, .grid-3, .grid-wide-narrow, .memo-grid {
    grid-template-columns: 1fr;
  }

  .grid-mosaic {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 140px;
  }

  .grid-mosaic .span-4 { grid-column: span 2; }

  .gallery-row.cols-3 { grid-template-columns: 1fr 1fr; }
  .gallery-row.cols-2 { grid-template-columns: 1fr; }

  .hero-coords { display: none; }

  .before-after { min-height: 220px; }
}

@media (max-width: 480px) {
  .nav-links { display: none; }

  .grid-mosaic {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }

  .grid-mosaic .span-2, .grid-mosaic .span-2-row, .grid-mosaic .span-4 {
    grid-column: span 1; grid-row: span 1;
  }

  .gallery-row.cols-3 { grid-template-columns: 1fr; }
}

/* =============================================
   BACKGROUND TEXTURE OVERLAY
   ============================================= */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: var(--noise);
  background-size: 300px 300px;
  pointer-events: none;
  z-index: 1000;
  mix-blend-mode: overlay;
  opacity: 0.6;
}