/* ═══════════════════════════════════════════════════════════════
   lucca segel brigger — portfolio website
   Rebuilt from briggerlucca/portfolio-Lucca + the print system.
   Swiss editorial · Helvetica Neue · paper/ink · burgundy accent.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --paper:      #ecebe6;
  --paper-soft: #f3f2ee;
  --ink:        #1a1a1a;
  --muted:      #8a8a84;
  --hair:       #d6d4ce;
  --accent:     #7c2433;   /* burgundy */

  --paper-dark: #121212;
  --ink-dark:   #ecebe6;
  --muted-dark: #777770;
  --hair-dark:  #2c2c2c;
  --accent-dark:#c2475c;

  --zine-field: #6e2230;
  --zine-ink:   #f2ddd2;
  --zine-line:  rgba(242,221,210,0.32);

  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --edge: 26px;
  --nav-h: 60px;
  --pad: clamp(20px, 4.2vw, 60px);

  --t-cap:  10.5px;
  --t-spec: 11.5px;
  --t-body: clamp(14px, 1.05vw, 16px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.5s ease, color 0.5s ease;
}
body.theme-dark { background: var(--paper-dark); color: var(--ink-dark); }

a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--paper); }

/* ── edge frame lines ──────────────────────────────────────────── */
.frame-edge {
  position: fixed; top: 0; bottom: 0; width: 1px;
  background: var(--ink); opacity: 0.5; z-index: 60; pointer-events: none;
  transition: background 0.5s ease;
}
.frame-edge.l { left: var(--edge); }
.frame-edge.r { right: var(--edge); }
/* horizontal rule under the nav — restores the header threshold line */
.frame-edge.t { top: var(--nav-h); left: 0; right: 0; bottom: auto; width: auto; height: 1px; transform-origin: left center; }
body.theme-dark .frame-edge { background: var(--ink-dark); }

/* ── nav ───────────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--ink);
  background: var(--paper); z-index: 50;
  transition: background 0.5s ease, border-color 0.5s ease;
}
body.theme-dark nav { background: var(--paper-dark); border-bottom-color: var(--ink-dark); }

/* ─── Inverted header ──────────────────────────────────────────────
   The header claims nothing — it reads the page. Transparent, its text
   shows the inverse of whatever scrolls beneath (mix-blend-mode:
   difference): dark over paper, light over a dark image. A membrane,
   not a bar — the header itself becomes a threshold. ─────────────── */
nav, .proj-header {
  background: transparent !important;
  border-bottom: none !important;
  mix-blend-mode: difference;
}
/* one persistent inverted header — drop the per-project duplicate
   (its running title already lives in the bottom folio + spec list) */
.proj-header { display: none !important; }
nav .wordmark, nav .nav-link,
.proj-header .wordmark, .proj-header .proj-running,
.proj-header .proj-running .num, .proj-header .proj-index {
  color: #fff !important;
}
/* accent has no meaning under difference — hover just dims */
nav .wordmark:hover, nav .nav-link:hover, .proj-header .wordmark:hover { color: #b8b8b8 !important; }
nav .nav-link::after { background: #fff; }
/* zine: difference over saturated burgundy turns muddy — solid cream instead */
body.zine-mode nav, body.zine-mode .proj-header { mix-blend-mode: normal; }
body.zine-mode nav .wordmark, body.zine-mode nav .nav-link,
body.zine-mode .proj-header .wordmark, body.zine-mode .proj-header .proj-running,
body.zine-mode .proj-header .proj-running .num { color: var(--zine-ink) !important; }
@media (prefers-reduced-transparency: reduce) {
  nav, .proj-header { mix-blend-mode: normal; background: var(--paper) !important; }
  nav .wordmark, nav .nav-link, .proj-header .wordmark,
  .proj-header .proj-running, .proj-header .proj-running .num { color: var(--ink) !important; }
}

.wordmark { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.wordmark .mobile { display: none; }
.wordmark:hover { color: var(--accent); }
body.theme-dark .wordmark:hover { color: var(--accent-dark); }

.nav-right { display: flex; gap: clamp(18px, 2.4vw, 34px); align-items: baseline; }
.nav-link {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  position: relative; padding-bottom: 3px; cursor: pointer;
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--accent);
  transition: right 0.34s cubic-bezier(0.65,0,0.35,1);
}
.nav-link:hover::after { right: 0; }
body.theme-dark .nav-link::after { background: var(--accent-dark); }

/* ── views ─────────────────────────────────────────────────────── */
.view { display: none; min-height: 100vh; padding-top: var(--nav-h); position: relative; z-index: 2; }
.view.is-active { display: block; opacity: 1; transform: none; }
/* single-layer transition: the old page fades out, then the new fades in —
   only ever one page on screen, so two layouts never overlap */
.view.is-active.view-exit { animation: viewOut 0.19s ease forwards; }
.view.is-active.view-in { animation: viewInUp 0.34s cubic-bezier(0.16,1,0.3,1); }
.view.is-active.view-in.back { animation: viewInDown 0.34s cubic-bezier(0.16,1,0.3,1); }
@keyframes viewOut { from { opacity: 1; } to { opacity: 0; } }
@keyframes viewInUp { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: none; } }
@keyframes viewInDown { from { opacity: 0; transform: translateY(-9px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .view.is-active.view-exit, .view.is-active.view-in, .view.is-active.view-in.back { animation: none; }
}

/* ═══ HOME ═════════════════════════════════════════════════════ */
.home-intro {
  display: flex; justify-content: space-between; align-items: flex-end;
  padding: clamp(40px, 9vh, 110px) var(--pad) clamp(28px, 4vw, 48px);
  gap: 40px; flex-wrap: wrap;
}
.home-eyebrow {
  font-size: var(--t-cap); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); max-width: 30ch; line-height: 1.8;
}
.home-eyebrow .b { color: var(--accent); }
.home-meta {
  font-size: var(--t-cap); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); text-align: right;
}

/* index list — the hero */
.index-list { padding: 0 var(--edge) clamp(40px, 8vw, 100px); }
.index-row {
  display: grid;
  grid-template-columns: calc(54px + var(--pad) - var(--edge)) minmax(0, 1fr) auto;
  align-items: baseline;
  gap: clamp(16px, 3vw, 48px);
  padding: clamp(20px, 3vw, 38px) 0;
  position: relative;
  cursor: pointer;
}
.index-row::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--ink); transform-origin: left center;
}
.index-list .index-row:last-child::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: var(--ink); transform-origin: left center;
}
body.theme-dark .index-row::before,
body.theme-dark .index-list .index-row:last-child::after { background: var(--ink-dark); }
.idx-roman { font-size: var(--t-cap); letter-spacing: 0.06em; color: var(--accent); padding-left: calc(var(--pad) - var(--edge)); }
.idx-name {
  font-size: clamp(34px, 6.4vw, 78px);
  letter-spacing: -0.035em; line-height: 0.92; font-weight: 400;
  transition: opacity 0.28s ease;
}
.idx-meta {
  font-size: var(--t-cap); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); text-align: right; white-space: nowrap; padding-right: calc(var(--pad) - var(--edge) + 40px);
}
.idx-folio { font-size: var(--t-cap); letter-spacing: 0.06em; color: var(--accent); text-align: right; padding-right: calc(var(--pad) - var(--edge)); }
/* fixed centred preview — mobile only (shows the centred project) */
#m-preview { display: none; }
.index-row:hover .idx-name {
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 9px;
}
@media (hover: hover) and (pointer: fine) {
  .index-list:hover .index-row:not(:hover) .idx-name { opacity: 0.4; }
}

/* floating hover preview — tinted empty frame */
#preview {
  position: fixed; pointer-events: none; width: 380px; z-index: 40;
  opacity: 0; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(1);
  transition: opacity 0.55s ease;
}
#preview.visible { opacity: 1; transform: translate(-50%,-50%) scale(1); }
#preview-box {
  width: 100%; aspect-ratio: 3/2; position: relative; overflow: hidden;
  background: var(--paper-soft); border: 1px solid var(--hair);
}
#preview-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: none; }
#preview-box.has-img { background: var(--paper-soft); }
#preview-box.has-img #preview-img { display: block; }
#preview-box.has-img::after { content: none; }
#preview-box::after {
  content: attr(data-label); position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--t-cap); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
}
.pv-cap {
  font-size: var(--t-cap); letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-top: 9px; text-align: right;
}

/* ── footer wordmark (draggable) ───────────────────────────────── */
footer {
  border-top: 1px solid var(--ink);
  padding: clamp(50px,9vw,120px) var(--pad) clamp(28px,4vw,46px);
  display: flex; flex-direction: column; align-items: center;
  background: var(--paper); position: relative; z-index: 2;
  transition: background 0.5s ease, border-color 0.5s ease;
}
body.theme-dark footer { background: var(--paper-dark); border-top-color: var(--ink-dark); }
#logo-footer {
  display: flex; flex-wrap: nowrap; align-items: center; justify-content: center;
  user-select: none; line-height: 1;
}
.logo-letter {
  font-size: clamp(2.6rem, 13vw, 11rem); font-weight: 400;
  letter-spacing: -0.04em; line-height: 1; display: inline-block; cursor: grab;
}
.logo-letter:active { cursor: grabbing; }
.logo-space { width: 0.3em; cursor: default; pointer-events: none; }
.logo-ghost { display: inline-block; height: 1em; flex-shrink: 0; }
.foot-meta {
  display: flex; justify-content: space-between; width: 100%;
  margin-top: clamp(26px,4vw,52px);
  font-size: var(--t-cap); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.foot-meta a:hover { color: var(--accent); }
body.theme-dark .foot-meta a:hover { color: var(--accent-dark); }

/* ═══ PROJECT PAGES — center-line layout ═══════════════════════ */
.proj-header {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0 var(--pad); height: var(--nav-h); position: fixed;
  top: 0; left: 0; right: 0; z-index: 50;
}
.proj-running {
  font-size: var(--t-cap); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.proj-running .num { color: var(--accent); }
body.theme-dark .proj-running .num { color: var(--accent-dark); }

.content-line { position: relative; padding-bottom: clamp(80px, 12vw, 160px); }
.content-line::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: var(--ink); opacity: 0.5; pointer-events: none; z-index: 0;
  transition: background 0.5s ease;
}
body.theme-dark .content-line::before { background: var(--ink-dark); }
.content-grid {
  display: grid; grid-template-columns: 1fr 1fr; position: relative; z-index: 1;
}
.block-left  { grid-column: 1; padding: clamp(28px,4vw,56px) clamp(18px,2.4vw,40px) clamp(28px,4vw,56px) var(--pad); }
.block-right { grid-column: 2; padding: clamp(28px,4vw,56px) var(--pad) clamp(28px,4vw,56px) clamp(18px,2.4vw,40px); }
.block-full  { grid-column: 1 / -1; padding: clamp(28px,4vw,56px) var(--pad); }

/* project hero: spec on left quarter, image straddling line */
.proj-hero {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 90px); align-items: center;
  min-height: calc(100vh - var(--nav-h));
  padding: clamp(40px,6vw,80px) var(--pad);
}
.proj-index { font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--accent); margin-bottom: 12px; }
body.theme-dark .proj-index { color: var(--accent-dark); }
.proj-name { font-size: clamp(40px, 6vw, 84px); line-height: 0.9; letter-spacing: -0.04em; font-weight: 400; margin-bottom: 26px; }
.spec { border-top: 1px solid var(--ink); padding-top: 13px; max-width: 34ch; }
body.theme-dark .spec { border-top-color: var(--ink-dark); }
.spec .row { display: grid; grid-template-columns: 78px 1fr; gap: 14px; align-items: baseline; padding: 4px 0; }
.spec dt { font-size: var(--t-spec); letter-spacing: 0.09em; text-transform: uppercase; color: var(--muted); }
.spec dd { font-size: 13.5px; }
.proj-lede { margin-top: 22px; font-size: clamp(15px, 1.35vw, 19px); line-height: 1.62; max-width: 42ch; }

/* figures */
figure { margin: 0; display: flex; flex-direction: column; gap: 9px; }
.frame { position: relative; background: var(--paper-soft); border: 1px solid var(--hair); overflow: hidden; }
body.theme-dark .frame { background: #1a1a1a; border-color: var(--hair-dark); }
.frame[data-ratio]::after {
  content: attr(data-ph); position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; padding: 16px; text-align: center;
  font-size: var(--t-cap); letter-spacing: 0.13em; text-transform: uppercase; color: var(--muted);
}
body.theme-dark .frame[data-ratio]::after { color: var(--muted-dark); }
.frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
.frame img.rot180 { transform: rotate(180deg); }
.caption { font-size: var(--t-cap); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.caption .b { color: var(--accent); }
body.theme-dark .caption { color: var(--muted-dark); }
body.theme-dark .caption .b { color: var(--accent-dark); }

/* images centered on the spine */
.on-line-r { width: 86%; margin-left: auto; }   /* sits right of, touching line */
.on-line-l { width: 86%; margin-right: auto; }
.block-full figure { width: min(58%, 720px); margin: 0 auto; }
.block-full.wide figure { width: min(82%, 1040px); }
.plate-note { font-size: clamp(14px,1.2vw,17px); line-height: 1.7; max-width: 36ch; color: var(--muted); }

/* folio marker — centred on the spine, caps the centre line */
.floating-title {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 45;
  display: flex; gap: 14px; align-items: baseline;
  background: var(--paper); border: 1px solid var(--ink);
  padding: 8px 14px; font-size: var(--t-cap); letter-spacing: 0.1em; text-transform: uppercase;
  transition: background 0.5s ease, border-color 0.5s ease;
}
body.theme-dark .floating-title { background: var(--paper-dark); border-color: var(--ink-dark); }
.floating-title .ft-num { color: var(--accent); }
body.theme-dark .floating-title .ft-num { color: var(--accent-dark); }

/* back / next */
.proj-foot {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--ink); margin: 0 var(--pad);
  padding-top: 22px; margin-top: clamp(30px,5vw,60px);
}
body.theme-dark .proj-foot { border-top-color: var(--ink-dark); }
.back-link {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid var(--ink); padding: 8px 14px; transition: background 0.2s, color 0.2s;
}
body.theme-dark .back-link { border-color: var(--ink-dark); }
.back-link:hover { background: var(--ink); color: var(--paper); }
body.theme-dark .back-link:hover { background: var(--ink-dark); color: var(--paper-dark); }
.next-link { font-size: clamp(26px,3.4vw,44px); letter-spacing: -0.03em; text-align: right; }
.next-link .eyebrow { display: block; font-size: var(--t-cap); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.next-link:hover { text-decoration: underline; text-underline-offset: 8px; text-decoration-thickness: 1px; }



/* ═══ CURSOR — inverting dot (mix-blend-mode: difference) ══════ */
/* hide the native cursor everywhere so the custom dot is the only one;
   !important beats per-element rules (zoom-in, grab, pointer, zoom-out) */
@media (hover: hover) and (pointer: fine) {
  *, *::before, *::after { cursor: none !important; }
}
#cursor-dot {
  position: fixed; top: 0; left: 0; width: 22px; height: 22px;
  border-radius: 50%; background: #fff; mix-blend-mode: difference;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0; will-change: transform;
}
#cursor-dot.visible { opacity: 1; }
@media (hover: none), (pointer: coarse) { #cursor-dot { display: none; } }

/* ═══ ABOUT OVERLAY ══════════════════════════════════════════ */
.about-overlay {
  position: fixed; top: 0; right: 0; width: 50vw; height: 100vh;
  background: var(--paper); border-left: 1px solid var(--ink);
  z-index: 200; transform: translateX(100%);
  transition: transform 0.46s cubic-bezier(0.76,0,0.24,1);
  display: flex; flex-direction: column; padding: 22px var(--pad) 0;
  overflow-y: auto;
}
.about-overlay.open { transform: translateX(0); }
.about-scrim {
  position: fixed; inset: 0; background: rgba(20,20,20,0.32);
  z-index: 199; opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.about-scrim.open { opacity: 1; pointer-events: auto; }
.about-close { align-self: flex-end; cursor: pointer; font-size: var(--t-cap); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding: 4px 0; }
.about-close:hover { color: var(--accent); }
.about-name { font-size: clamp(21px, 2.3vw, 27px); font-weight: 600; letter-spacing: -0.01em; line-height: 1.1; margin: 0 0 14px; }
.about-photo { display: block; width: clamp(96px, 11vw, 128px); aspect-ratio: 1; object-fit: cover; filter: grayscale(1); margin: clamp(10px,2vw,22px) 0 clamp(20px,3vw,28px); }
.about-id { font-size: 14px; line-height: 1.62; color: var(--muted); margin-bottom: clamp(26px,4vw,40px); }
.about-block { margin-bottom: clamp(24px,3.5vw,38px); }
.about-label { font-size: var(--t-cap); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); padding-bottom: 10px; margin-bottom: 11px; border-bottom: 1px solid var(--ink); }
.about-edu { font-size: 15px; line-height: 1.6; }
.about-edu .o { color: var(--muted); }
.about-profile { font-size: 15px; line-height: 1.66; max-width: 44ch; margin-bottom: clamp(20px,2.5vw,30px); }
.about-second { color: var(--muted); margin-bottom: clamp(28px,4vw,44px); }
.cv-block { margin-bottom: clamp(24px,3vw,38px); }
.cv-label { font-size: var(--t-cap); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); padding-bottom: 11px; margin-bottom: 8px; border-bottom: 1px solid var(--ink); }
.cv-entry { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 11px 0; }
.cv-entry + .cv-entry { border-top: 1px solid var(--hair); }
.cv-when { font-size: var(--t-spec); letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); padding-top: 2px; }
.cv-what .t { font-size: 14.5px; line-height: 1.35; }
.cv-what .o { font-size: 12.5px; color: var(--muted); margin-top: 3px; line-height: 1.5; }
.cv-what .n { font-size: 12.5px; margin-top: 6px; line-height: 1.55; max-width: 42ch; }
.cv-what ul { list-style: none; margin-top: 6px; }
.cv-what li { position: relative; padding-left: 13px; font-size: 12.5px; line-height: 1.6; }
.cv-what li::before { content: '–'; position: absolute; left: 0; color: var(--muted); }
.about-contact { margin-top: auto; display: flex; flex-direction: column; gap: 7px; padding: clamp(24px,4vw,40px) 0 clamp(28px,4vw,44px); border-top: 1px solid var(--ink); }
.about-contact a { font-size: 13px; }
.about-contact a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 760px) { .about-overlay { width: calc(100vw - var(--edge)); } }

/* ═══ ZINE — playful full-bleed field (otto958-inspired) ═══════ */
.view.zine { background: var(--zine-field); color: var(--zine-ink); }
body.zine-mode nav { background: var(--zine-field); border-bottom-color: var(--zine-line); }
body.zine-mode .wordmark, body.zine-mode .nav-link { color: var(--zine-ink); }
body.zine-mode .wordmark:hover { color: #fff; }
body.zine-mode .nav-link::after { background: var(--zine-ink); }
body.zine-mode .frame-edge { background: var(--zine-ink); opacity: 0.3; }
.zine-stage { position: relative; max-width: 1480px; margin: 0 auto; padding: clamp(36px,5vw,72px) var(--pad) clamp(110px,12vw,150px); }
.zine-top { position: relative; z-index: 1; margin-bottom: clamp(36px,5vw,72px); }
.zine-eyebrow { font-size: var(--t-cap); letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.66; margin-bottom: 18px; }
.zine-title { font-size: clamp(72px, 17vw, 260px); line-height: 0.84; letter-spacing: -0.05em; font-weight: 400; margin-bottom: 28px; }
.zine-lede { font-size: clamp(17px, 1.7vw, 24px); line-height: 1.5; max-width: 44ch; }
.zine-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(14px, 2vw, 32px); align-items: end; }

/* the spine, reinterpreted as a printed fold/register line */
.zine-fold {
  position: absolute; left: 50%; top: clamp(28px,4vw,56px); bottom: clamp(28px,4vw,56px);
  width: 0; border-left: 1px dashed var(--zine-line); transform: translateX(-50%);
  z-index: 0; pointer-events: none;
}
.zf-mark {
  position: absolute; left: 50%; transform: translate(-50%,-50%) rotate(0deg);
  font-size: 20px; line-height: 1; font-weight: 300; color: var(--zine-ink);
  opacity: 0.55; transition: transform 0.6s cubic-bezier(0.2,0.8,0.2,1), opacity 0.5s ease;
}
.zf-label {
  position: absolute; left: 50%; top: 30%; transform: translate(-50%,-50%) rotate(90deg);
  white-space: nowrap; font-size: var(--t-cap); letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--zine-ink); opacity: 0.4; background: var(--zine-field); padding: 0 16px;
  transition: opacity 0.5s ease, letter-spacing 0.6s ease;
}
.zf-tick { position: absolute; left: 50%; width: 22px; height: 0; border-top: 1px solid var(--zine-line); transform: translateX(-50%); }
.zf-tick-top { top: -1px; }
.zf-tick-bot { bottom: -1px; }
/* the field toys with its own spine: marks lock to crosses, label opens up */
.view.zine:hover .zf-mark { transform: translate(-50%,-50%) rotate(45deg); opacity: 0.85; }
.view.zine:hover .zf-label { opacity: 0.62; letter-spacing: 0.46em; }

.z-frame { position: relative; background: rgba(243,221,208,0.07); border: 1px solid var(--zine-line); }
.z-frame::after { content: attr(data-ph); position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: var(--t-cap); letter-spacing: 0.15em; text-transform: uppercase; opacity: 0.5; }
.z-yak  { grid-column: 1 / 9;  aspect-ratio: 16 / 9; }
.z-foto { grid-column: 9 / 13; aspect-ratio: 3 / 4; }
.z-l    { grid-column: 1 / 5;  aspect-ratio: 2 / 3; margin-top: clamp(22px,4vw,64px); }
.z-text { grid-column: 5 / 9;  align-self: center; font-size: clamp(15px,1.35vw,19px); line-height: 1.66; opacity: 0.85; padding: 0 clamp(4px,1vw,18px); }
.z-fish { grid-column: 9 / 13; aspect-ratio: 3 / 4; margin-top: clamp(22px,4vw,64px); }
.z-r    { grid-column: 3 / 11; aspect-ratio: 16 / 9; margin-top: clamp(22px,4vw,64px); }
.zine-foot { display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--zine-line); margin-top: clamp(48px,7vw,96px); padding-top: 22px; }
body.zine-mode .back-link { border-color: var(--zine-ink); color: var(--zine-ink); }
body.zine-mode .back-link:hover { background: var(--zine-ink); color: var(--zine-field); }
body.zine-mode .next-link .eyebrow { color: var(--zine-ink); opacity: 0.6; }
/* zine on the burgundy field: tint project-page elements (same structure as complexity) */
body.zine-mode .content-line::before { background: var(--zine-line); opacity: 1; }
body.zine-mode .proj-name,
body.zine-mode .proj-lede,
body.zine-mode .spec dd,
body.zine-mode .next-link { color: var(--zine-ink); }
body.zine-mode .proj-index,
body.zine-mode .proj-running { color: var(--zine-ink); opacity: 0.78; }
body.zine-mode .proj-running .num { color: var(--zine-ink); opacity: 1; }
body.zine-mode .spec { border-top-color: var(--zine-line); }
body.zine-mode .spec dt { color: var(--zine-ink); opacity: 0.58; }
body.zine-mode .frame { background: rgba(242,221,210,0.06); border-color: var(--zine-line); }
body.zine-mode .frame[data-ratio]::after { color: var(--zine-ink); opacity: 0.58; }
body.zine-mode .caption { color: var(--zine-ink); opacity: 0.66; }
body.zine-mode .caption .b { color: var(--zine-ink); opacity: 1; }
body.zine-mode .proj-foot { border-top-color: var(--zine-line); }
body.zine-mode .floating-title { background: var(--zine-field); border-color: var(--zine-line); color: var(--zine-ink); }
body.zine-mode .floating-title .ft-num { color: var(--zine-ink); }
body.zine-mode figure:hover .frame[data-ratio] { border-color: var(--zine-line); }
.zine-bar { position: fixed; bottom: 20px; left: var(--pad); z-index: 46; display: flex; align-items: center; gap: clamp(12px,1.6vw,22px); background: var(--paper); color: var(--ink); border: 1px solid var(--ink); padding: 9px 15px; font-size: var(--t-cap); letter-spacing: 0.1em; text-transform: uppercase; }
.zine-bar .zb-mark { font-weight: 500; }
.zine-bar .zb-title { color: var(--muted); }
.zine-bar .zb-tag { border: 1px solid var(--ink); padding: 3px 9px; }
@media (max-width: 820px) {
  .zine-grid { grid-template-columns: 1fr; gap: 18px; }
  .zine-fold { display: none; }
  .z-yak, .z-foto, .z-l, .z-text, .z-fish, .z-r { grid-column: 1; margin-top: 0; }
  .zine-bar { left: 0; right: 0; bottom: 0; justify-content: space-between; }
  .zine-foot { flex-direction: column; gap: 20px; align-items: flex-start; }
}

/* ═══ LIGHTBOX — images layered over the page (FLIP zoom) ═════ */
.frame[data-ratio], .z-frame { cursor: zoom-in; }
/* corner "open" cue, fades in on hover */
.frame[data-ratio]::before, .z-frame::before {
  content: '⤢'; position: absolute; top: 9px; right: 11px; z-index: 3;
  font-size: 15px; line-height: 1; color: var(--ink);
  opacity: 0; transform: translateY(-4px); pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.2,0.8,0.2,1);
}
.z-frame::before { color: var(--zine-ink); }
body.theme-dark .frame[data-ratio]::before { color: var(--ink-dark); }
figure:hover .frame[data-ratio]::before,
.z-frame:hover::before { opacity: 0.62; transform: translateY(0); }
.frame[data-ratio] { transition: border-color 0.3s ease; }
body.theme-dark figure:hover .frame[data-ratio] { border-color: var(--hair); }
.z-frame { transition: border-color 0.3s ease, background 0.3s ease; }

.lb-scrim {
  position: fixed; inset: 0; background: rgba(18,18,18,0.66);
  z-index: 300; opacity: 0; pointer-events: none;
  transition: opacity 0.42s ease; backdrop-filter: blur(3px);
}
.lb-scrim.open { opacity: 1; pointer-events: auto; cursor: zoom-out; }
.lightbox {
  position: fixed; inset: 0; z-index: 301; display: none;
  align-items: center; justify-content: center;
  padding: clamp(28px, 6vw, 90px); cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lb-fig { position: relative; display: flex; flex-direction: column; gap: 13px; max-width: 100%; }
.lb-frame {
  position: relative; background: var(--paper-soft); border: 1px solid var(--hair);
  overflow: hidden; transform-origin: center center; will-change: transform, opacity;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.6);
  transform: scale(0.92); opacity: 0;
}
.lightbox.open .lb-frame {
  transform: scale(1); opacity: 1;
  transition: transform 0.5s cubic-bezier(0.2,0.85,0.25,1), opacity 0.4s ease;
}
.lb-frame img { width: 100%; height: 100%; object-fit: contain; display: block; }
.lb-frame[data-ph]::after {
  content: attr(data-ph); position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; padding: 16px; text-align: center;
  font-size: var(--t-cap); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.lb-cap {
  font-size: var(--t-cap); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--paper); opacity: 0; transform: translateY(6px);
  transition: opacity 0.4s ease 0.12s, transform 0.4s cubic-bezier(0.2,0.8,0.2,1) 0.12s;
}
.lb-cap .b { color: var(--accent-dark); }
.lightbox.open .lb-cap { opacity: 0.85; transform: translateY(0); }

/* index name nudges on hover */
.idx-name { transition: opacity 0.28s ease; }
.index-row { transition: background 0.3s ease; }
.idx-folio { transition: color 0.3s ease; }
.index-row:hover .idx-folio { color: var(--ink); }
body.theme-dark .index-row:hover .idx-folio { color: var(--ink-dark); }

/* next-link arrow slide */
.next-link { position: relative; transition: transform 0.42s cubic-bezier(0.2,0.8,0.2,1); }
.next-link:hover { transform: translateX(-8px); }

/* ═══ TACTILE — paper grain + physical press/lift ════════════ */
.grain {
  position: fixed; inset: 0; z-index: 65; pointer-events: none;
  opacity: 0.05; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}
body.theme-dark .grain { mix-blend-mode: screen; opacity: 0.045; }
body.zine-mode .grain { mix-blend-mode: soft-light; opacity: 0.09; }

/* frames: stay put on hover (no lift) — only a gentle press on click */
.frame[data-ratio] { transition: border-color 0.3s ease, transform 0.12s ease; }
.frame[data-ratio]:active { transform: scale(0.99); transition-duration: 0.08s; }
.z-frame { transition: border-color 0.3s ease, background 0.3s ease, transform 0.12s ease; }
.z-frame:active { transform: scale(0.99); transition-duration: 0.08s; }

/* links & rows: subtle depress feedback */
.nav-link, .wordmark, .idx-roman, .foot-meta a, .about-contact a, .about-close { transition: color 0.3s ease, transform 0.12s ease; }
.nav-link:active, .wordmark:active, .foot-meta a:active, .about-contact a:active, .about-close:active { transform: translateY(1px); }
.back-link { transition: background 0.2s, color 0.2s, transform 0.12s ease; }
.back-link:active { transform: translateY(1px) scale(0.97); }
.next-link:active { transform: translateX(-8px) scale(0.98); transition-duration: 0.1s; }
.index-row:active { background: color-mix(in oklab, var(--ink) 4%, transparent); }
.logo-letter { transition: transform 0.2s ease; }

@media (prefers-reduced-motion: reduce) {
  .lb-frame { transition: none !important; }
  .idx-name, .idx-folio, .next-link { transition: opacity 0.2s ease !important; }
  figure:hover .frame[data-ratio], .z-frame:hover, .logo-letter:hover { transform: none; }
}

/* ═══ LOADING — per-project line loaders cover the frame while the photo arrives ═ */
.frame img, .z-frame img { opacity: 0; transition: opacity 0.6s ease; }
.frame img.loaded, .z-frame img.loaded { opacity: 1; }

.floader {
  position: absolute; inset: 0; z-index: 3; overflow: hidden; pointer-events: none;
  background: var(--paper-soft); opacity: 1; transition: opacity 0.55s ease;
}
body.theme-dark .floader { background: #1a1a1a; }
.floader.done { opacity: 0; }
.floader i { position: absolute; display: block; background: var(--accent); }

/* I · twins — the structure raises itself, then a beam sweeps across */
.floader--twins i {
  top: 12%; bottom: 12%; width: 1px; transform-origin: bottom center;
  transform: scaleY(0); opacity: 0.85;
  animation: fl-grow 1.9s cubic-bezier(.6,0,.15,1) infinite;
}
.floader--twins i:nth-child(1) { left: 18%; animation-delay: 0s; }
.floader--twins i:nth-child(2) { left: 39%; animation-delay: .12s; }
.floader--twins i:nth-child(3) { left: 61%; animation-delay: .24s; }
.floader--twins i:nth-child(4) { left: 82%; animation-delay: .36s; }
.floader--twins i.beam {
  top: 50%; left: 0; right: 0; bottom: auto; height: 1px;
  transform-origin: left center; transform: scaleX(0); opacity: 1;
  animation: fl-sweep 1.9s cubic-bezier(.6,0,.15,1) .2s infinite;
}
@keyframes fl-grow { 0%{transform:scaleY(0)} 38%{transform:scaleY(1)} 72%{transform:scaleY(1)} 100%{transform:scaleY(0)} }
@keyframes fl-sweep { 0%,18%{transform:scaleX(0);opacity:1} 60%{transform:scaleX(1);opacity:1} 100%{transform:scaleX(1);opacity:0} }

/* II · complexity — a partition pivots, negotiating */
.floader--complexity i {
  left: 50%; top: 16%; bottom: 16%; width: 1px; transform-origin: center center;
  animation: fl-pivot 2.6s cubic-bezier(.45,0,.55,1) infinite;
}
.floader--complexity i.b { opacity: 0.3; animation-delay: .28s; }
@keyframes fl-pivot { 0%{transform:rotate(-24deg)} 50%{transform:rotate(24deg)} 100%{transform:rotate(-24deg)} }

/* III · corolla — petals bloom and slowly turn (warm lamp light) */
.floader--corolla .spin { position: absolute; inset: 0; animation: fl-turn 6s linear infinite; }
.floader--corolla i {
  left: 50%; top: 50%; width: 1px; height: 30%; transform-origin: top center;
  background: #c98b4e;
  animation: fl-petal 1.7s ease-in-out infinite;
}
.floader--corolla i:nth-child(1) { transform: rotate(0deg);   animation-delay: 0s; }
.floader--corolla i:nth-child(2) { transform: rotate(60deg);  animation-delay: .12s; }
.floader--corolla i:nth-child(3) { transform: rotate(120deg); animation-delay: .24s; }
.floader--corolla i:nth-child(4) { transform: rotate(180deg); animation-delay: .36s; }
.floader--corolla i:nth-child(5) { transform: rotate(240deg); animation-delay: .48s; }
.floader--corolla i:nth-child(6) { transform: rotate(300deg); animation-delay: .60s; }
@keyframes fl-turn { to { transform: rotate(360deg); } }
@keyframes fl-petal { 0%,100%{opacity:.22} 50%{opacity:.82} }

/* IV · zine — a raster scans down the frame */
.floader--zine, body.theme-dark .floader--zine { background: var(--zine-field); }
.floader--zine i { left: 0; right: 0; height: 1px; background: var(--zine-ink); animation: fl-scan 1.6s linear infinite; }
.floader--zine i:nth-child(1) { opacity: .9;  animation-delay: 0s; }
.floader--zine i:nth-child(2) { opacity: .4;  animation-delay: .26s; }
.floader--zine i:nth-child(3) { opacity: .25; animation-delay: .52s; }
@keyframes fl-scan { 0%{top:-2%} 100%{top:102%} }
.z-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }

/* ═══ COROLLA — single image, click toggles the light ════════ */
.lamp-toggle { margin: 0; display: flex; flex-direction: column; gap: 9px; }
.frame-lamp {
  position: relative; overflow: hidden; cursor: default;
  background: var(--paper-soft); border: 1px solid var(--hair);
  transition: box-shadow 0.7s ease, border-color 0.5s ease;
}
body.theme-dark .frame-lamp { background: #1a1a1a; border-color: var(--hair-dark); }
.lamp-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.frame-lamp .lamp-on { opacity: 0; }
.frame-lamp:hover .lamp-off { opacity: 0; }
.frame-lamp:hover .lamp-on { opacity: 1; }
.frame-lamp:hover { box-shadow: 0 0 95px -6px rgba(232,178,116,0.55); border-color: rgba(232,178,116,0.5); }
.lamp-cue {
  position: absolute; bottom: 13px; left: 50%; transform: translateX(-50%); z-index: 2;
  font-size: var(--t-cap); letter-spacing: 0.18em; text-transform: uppercase; color: var(--paper);
  background: rgba(20,20,20,0.5); padding: 5px 13px; pointer-events: none;
  transition: opacity 0.45s ease; backdrop-filter: blur(2px);
}
.frame-lamp:hover .lamp-cue { opacity: 0; }
.lamp-hint { color: var(--accent); }
body.theme-dark .lamp-hint { color: var(--accent-dark); }
.frame[data-ratio]:has(img)::after, .z-frame:has(img)::after { content: none; }
/* frames whose image already carries the paper colour — drop the box so they blend */
.frame.bare { background: transparent; border: none; }

/* ─── Real images render at their natural aspect ratio — full drawings &
   photos, uncropped, the way the previous luccasegel.ch showed them
   (width:100%; height:auto). The frame stops forcing a ratio and lets
   the image set its own height; no object-fit crop. ─── */
.frame:has(img) { aspect-ratio: auto !important; height: auto !important; }
.frame:has(img) img {
  position: static !important;
  width: 100% !important; height: auto !important;
  object-fit: fill !important;
}
.z-frame:has(img) { aspect-ratio: auto !important; align-self: start; }
.z-frame:has(img) img {
  position: static !important;
  width: 100% !important; height: auto !important;
  object-fit: fill !important;
}

/* Equal-height drawing pair (like complexity in the PDF): two plans
   side by side on a shared baseline, uncropped, height-based */
.draw-pair {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 80px);
  align-items: end;
  padding: clamp(28px,4vw,56px) var(--pad);
}
.draw-pair figure { align-items: center; }
.draw-pair .frame:has(img) { width: 100%; margin: 0 auto; }
.draw-pair .frame:has(img) img {
  width: 100% !important; height: auto !important;
}
/* ── height-matched plates (Fig. 5 matches Fig. 3/4) ── */
.frame[data-match-h]:has(img) { aspect-ratio: auto !important; height: auto; margin: 0 auto; }
.draw-pair .frame[data-match-h]:has(img) { width: auto; }
.frame[data-match-h]:has(img) img {
  width: 100% !important; height: 100% !important; object-fit: contain !important;
}
/* ── width-matched plate (Fig. 1 matches Fig. 5's width) ── */
.frame[data-match-w]:has(img) { aspect-ratio: auto !important; height: auto !important; margin: 0 auto; }
.frame[data-match-w]:has(img) img {
  width: 100% !important; height: auto !important; object-fit: fill !important;
}
/* ── twins drawings sit on the page — paper backdrop, no border ── */
#view-twins .frame[data-ratio] {
  background: var(--paper) !important; border: none !important; isolation: isolate;
}
#view-twins figure:hover .frame[data-ratio] { border: none !important; }
/* drawings are line art on white → multiply against the paper backdrop drops
   the white to exactly the website background colour */
#view-twins .frame[data-ratio] img { mix-blend-mode: multiply; }
/* the model photo is a photograph, not line art → no blend, normal box */
#view-twins .frame.is-photo { background: var(--paper-soft) !important; isolation: auto; }
#view-twins .frame.is-photo img { mix-blend-mode: normal !important; }
.draw-pair .caption { width: 100%; text-align: center; }

/* Component catalogue at the end: both sheets, small */
.katalog-end { padding: clamp(48px,8vw,104px) var(--pad) clamp(24px,4vw,48px); }
.katalog-head {
  display: flex; flex-direction: column; gap: 12px; align-items: center;
  text-align: center; max-width: 48ch; margin: 0 auto clamp(30px,4vw,52px);
}
.kat-eyebrow { font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent); }
.kat-note { font-size: clamp(14px,1.05vw,16px); line-height: 1.72; color: var(--muted); text-wrap: pretty; }
.katalog-pages { display: flex; gap: clamp(20px,3vw,48px); justify-content: center; align-items: flex-end; }
.katalog-pages figure { width: auto; }
.katalog-pages .frame[data-ratio] {
  height: clamp(300px,32vw,460px) !important; width: fit-content !important;
  aspect-ratio: auto !important; margin: 0 auto;
}
.katalog-pages .frame[data-ratio] img {
  height: 100% !important; width: auto !important; object-fit: contain !important; display: block;
}
.katalog-pages .caption { text-align: center; }
@media (max-width: 620px) {
  .katalog-pages { gap: 22px; }
  .katalog-pages .frame[data-ratio] { height: clamp(220px,42vw,300px) !important; }
}

/* Full-width showpiece: a single wide image across the whole field */
.block-full.showpiece { padding-top: clamp(16px,2.5vw,34px); padding-bottom: clamp(20px,3vw,40px); }
.block-full.showpiece figure { width: 100%; margin: 0 auto; }
.block-full.showpiece .caption { text-align: center; }
/* einzelnes Hochformat, schmal zentriert */
.block-full.portrait figure { width: min(34%, 330px); margin: 0 auto; }
.block-full.portrait .caption { text-align: center; }

@media (max-width: 820px) {
  .draw-pair { grid-template-columns: 1fr; gap: 28px; }
  .draw-pair .frame[data-ratio],
  .draw-pair .frame[data-match-h],
  .draw-pair .frame[data-match-w] { width: 100% !important; max-width: 100% !important; height: auto !important; }
  .draw-pair .frame:has(img) img { height: auto !important; width: 100% !important; }
  /* twins drawing plates: natural aspect ratio, never wider than the screen */
  #view-twins .block-full.wide figure { width: min(86%, 340px); margin: 0 auto; }
  #view-twins .block-full.wide .frame[data-ratio],
  #view-twins .draw-pair .frame[data-ratio] {
    width: 100% !important; max-width: 100% !important;
    height: auto !important; aspect-ratio: auto !important;
  }
  #view-twins .block-full.wide .frame[data-ratio] img,
  #view-twins .draw-pair .frame[data-ratio] img {
    width: 100% !important; height: auto !important;
    object-fit: contain !important; position: static !important;
  }
  .katalog-pages { gap: 16px; }
  .katalog-pages .frame[data-ratio] { max-width: 47% !important; }
}

/* ─── Foto-Paar: zwei gleichformatige Hochformate nebeneinander,
   breitenbasiert → automatisch gleiche Höhe (für zine) ─── */
.photo-pair {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 80px);
  align-items: end;
  padding: clamp(28px,4vw,56px) var(--pad);
}
.photo-pair figure { align-items: center; }
.photo-pair .frame:has(img) { width: min(82%, 360px); margin: 0 auto; }
.photo-pair .caption { width: min(82%, 360px); margin: 0 auto; text-align: center; }
/* breite Variante für zwei Querformate (z. B. Modell-Detail + Skizze) */
.photo-pair.wide .frame:has(img) { width: 94%; max-width: none; }
.photo-pair.wide .caption { width: 94%; }
@media (max-width: 820px) {
  .photo-pair { grid-template-columns: 1fr; gap: 28px; }
}
@keyframes fl-noop { from {} to {} }

/* ═══ INTRO — the structure draws itself in on load ══════════ */
@keyframes drawX { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes drawY { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes riseIn { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: none; } }
@keyframes softIn { from { opacity: 0; } to { opacity: 1; } }

body.intro .frame-edge { animation: drawY 1s cubic-bezier(0.6,0,0.15,1) backwards; }
body.intro .frame-edge.t { animation: drawX 1s cubic-bezier(0.6,0,0.15,1) backwards; }
body.intro nav { animation: softIn 0.7s ease 0.2s backwards; }
body.intro .home-intro { animation: softIn 0.9s ease 0.5s backwards; }
body.intro footer { animation: softIn 0.9s ease 1.1s backwards; }

body.intro .index-row::before { animation: drawX 0.8s cubic-bezier(0.6,0,0.15,1) backwards; }
body.intro .index-row:nth-of-type(1)::before { animation-delay: 0.18s; }
body.intro .index-row:nth-of-type(2)::before { animation-delay: 0.36s; }
body.intro .index-row:nth-of-type(3)::before { animation-delay: 0.54s; }
body.intro .index-row:nth-of-type(4)::before { animation-delay: 0.72s; }
body.intro .index-list .index-row:last-child::after { animation: drawX 0.8s cubic-bezier(0.6,0,0.15,1) 0.9s backwards; }

body.intro .index-row > * { animation: riseIn 0.7s cubic-bezier(0.2,0.8,0.2,1) backwards; }
body.intro .index-row:nth-of-type(1) > * { animation-delay: 0.32s; }
body.intro .index-row:nth-of-type(2) > * { animation-delay: 0.50s; }
body.intro .index-row:nth-of-type(3) > * { animation-delay: 0.68s; }
body.intro .index-row:nth-of-type(4) > * { animation-delay: 0.86s; }

@media (prefers-reduced-motion: reduce) {
  .floader i, .floader .spin { animation: none !important; }
  .floader--twins i { transform: scaleY(1); }
  .floader--twins i.beam { transform: scaleX(1); }
  .floader--corolla i, .floader--zine i { opacity: .5; }
}

/* ── responsive ───────────────────────────────────────────────── */
@media (max-width: 820px) {
  :root { --edge: 13px; --nav-h: 52px; }
  #preview { display: none; }
  /* nothing may render wider than the screen on phones */
  img, svg { max-width: 100%; }
  figure, .frame, .frame[data-ratio], .z-frame { max-width: 100% !important; }
  .floating-title { display: none; }
  .content-line::before { display: none; }
  .wordmark .desktop { display: none; }
  .wordmark .mobile { display: inline; }

  .home-intro { flex-direction: column; align-items: flex-start; gap: 18px; }
  .home-meta { text-align: left; }

  /* ── mobile index — each project ~one screen tall; the centred
     project's image is pinned in the middle of the viewport ── */
  .index-list { padding: 0 var(--edge) clamp(40px,12vw,90px); }
  .index-row::before,
  .index-list .index-row:last-child::after { display: none; }   /* no dividers */
  .index-row {
    grid-template-columns: 1fr; gap: 7px;
    min-height: 80vh; align-content: start;
    padding: 12vh var(--pad) 0;
  }
  .index-row:last-child { min-height: 74vh; }
  .idx-roman { padding-left: 0; }
  .idx-name { font-size: clamp(40px, 12vw, 84px); line-height: 0.96; position: relative; z-index: 6; }
  .idx-meta {
    display: block; text-align: left; white-space: normal;
    padding: 0; margin-top: 3px; position: relative; z-index: 6;
  }
  .idx-folio { display: none; }
  .index-row.is-centered .idx-name {
    text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 8px;
  }

  #m-preview {
    display: block; position: fixed; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    z-index: 4; pointer-events: none;
  }
  #m-preview.off { display: none; }
  #m-preview img {
    display: block; width: auto; height: auto;
    max-width: min(74vw, 312px); max-height: 50vh;
    opacity: 0; transition: opacity 0.22s ease;
  }
  #m-preview img.show { opacity: 1; }

  .proj-hero { grid-template-columns: 1fr; min-height: auto; gap: clamp(40px,11vw,64px); padding: 13vh var(--pad) clamp(28px,9vw,52px); }
  .content-grid { grid-template-columns: 1fr; }
  .block-left, .block-right, .block-full { grid-column: 1; padding: clamp(58px,15vw,104px) var(--pad); }
  /* waf-like: images inset & centred, generous air around them */
  .on-line-l, .on-line-r { width: 80%; margin: 0 auto; }
  .block-full figure, .block-full.wide figure, .block-full.showpiece figure { width: min(74%, 330px); margin: 0 auto; }
  .draw-pair, .photo-pair { padding: clamp(58px,15vw,104px) var(--pad); }
  .draw-pair { gap: clamp(40px,11vw,56px); }
  .photo-pair { gap: clamp(40px,11vw,56px); }
  .photo-pair .frame:has(img), .photo-pair.wide .frame:has(img) { width: min(74%, 330px); margin: 0 auto; }
  .photo-pair .caption, .photo-pair.wide .caption { width: min(74%, 330px); margin: 0 auto; }
  .block-full.portrait figure { width: min(58%, 260px); }
  .proj-id { padding-bottom: clamp(8px,3vw,18px); }
  .proj-foot { flex-direction: column; gap: 26px; align-items: flex-start; padding: 0 var(--pad); margin-top: clamp(20px,6vw,40px); padding-top: 26px; }
  .next-link { text-align: left; }
  /* a touch more air around captions */
  .caption { margin-top: 13px; }
}
@media (max-width: 480px) {
  .nav-right { gap: 16px; }
}

/* ─── a11y: visible keyboard focus (added for production) ───────────── */
a:focus-visible,
[data-route]:focus-visible,
[data-about-open]:focus-visible,
[data-about-close]:focus-visible,
.frame[data-ratio]:focus-visible,
.z-frame:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}
body.zine-mode a:focus-visible,
body.zine-mode [data-route]:focus-visible,
body.zine-mode [data-about-close]:focus-visible {
  outline-color: var(--zine-ink);
}