/* ============================================================
   v4 — "plaster & sienna" design system (ported from the
   approved v4-atelier-2 mockup). Light theme only.
   Fonts: Fraunces (display) · IBM Plex Mono (labels) · Inter (text)
   ============================================================ */

:root{--bg:#efebe2;--bg2:#f8f5ef;--ink:#2a251e;--mut:#85796a;--accent:#92492a;--line:rgba(42,37,30,.18);--navlink:#6f6353;--wipbg:rgba(248,245,239,.88);--header:#d8cfba;--tab-off:#e5ddcc;--tab-off-hi:#ebe4d6}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Inter',-apple-system,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;border-top:3px solid var(--accent)}
a{color:inherit;text-decoration:none}
.mono{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--mut)}
.wrap{max-width:1380px;margin:0 auto;padding:0 44px}

/* ---- folder-tab header ---- */
header.v4{position:static;display:flex;justify-content:space-between;align-items:flex-end;padding:26px 44px 0;border-bottom:1px solid var(--line);background:var(--header)}
.wordmark{display:flex;flex-direction:column;align-items:flex-start;line-height:1;padding-bottom:13px}
.wordmark .nm{font-family:'Fraunces',serif;font-weight:500;font-size:25px;letter-spacing:.01em;color:var(--ink)}
.wordmark .sub{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.28em;text-transform:uppercase;color:var(--mut);margin-top:8px}
header.v4 nav{display:flex;align-items:flex-end;gap:5px}
header.v4 nav a{
  position:relative;display:block;
  margin-bottom:-1px;
  padding:10px 18px 7px;
  font-family:'Fraunces',serif;font-style:normal;font-weight:500;font-size:13px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--navlink);
  background:var(--tab-off);
  border:1px solid var(--line);border-bottom:1px solid var(--line);
  border-radius:9px 9px 0 0;
  transition:background .18s,color .18s;
}
header.v4 nav a:hover{background:var(--tab-off-hi);color:var(--accent)}
header.v4 nav a.on{
  color:var(--accent);
  background:var(--bg);
  border-bottom-color:var(--bg);
  box-shadow:inset 0 2px 0 var(--accent);
  z-index:2;
}

/* ---- footer ---- */
footer.v4{border-top:1px solid var(--line);padding:34px 0 70px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer.v4 a:hover{color:var(--accent)}

/* ---- masthead (home / planemaking landing) ---- */
.mast{display:grid;grid-template-columns:1.08fr .92fr;gap:72px;align-items:stretch;padding:52px 0 30px}
.mleft{display:flex;flex-direction:column}
.mast-mini{margin-top:auto;padding-top:46px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.mast .k{margin-bottom:22px}
.mast h1{font-family:'Fraunces',serif;font-style:italic;font-weight:340;font-size:clamp(40px,5vw,72px);line-height:1.05;margin:0 0 24px;letter-spacing:-.01em}
.mast h1 .nb{color:var(--accent)}
.mast .sub{color:var(--mut);font-weight:300;font-size:17px;line-height:1.85;max-width:54ch}
.mast .ctas{margin-top:30px;display:flex;gap:30px;flex-wrap:wrap}
.cta{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);border-bottom:1px solid var(--accent);padding-bottom:4px}

/* ---- framed cards ---- */
.frame{display:block;background:var(--bg2);border:1px solid var(--line);padding:16px;transition:border-color .25s}
.frame:hover{border-color:var(--accent)}
.frame .ph{aspect-ratio:4/5;overflow:hidden}
.frame img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s ease}
.frame:hover img{transform:scale(1.02)}
.frame .cap{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:15px 4px 2px}
.frame .cap .t{font-family:'Fraunces',serif;font-size:18px}
.frame.mini{padding:12px}
.frame.mini .ph{aspect-ratio:4/3}
.frame.mini .cap{flex-direction:column;align-items:flex-start;gap:3px;padding:11px 3px 1px}
.frame.mini .cap .t{font-size:14px;line-height:1.25}
.frame.mini .cap .mono{font-size:9px;letter-spacing:.12em}

/* ---- filter chips ---- */
.filters{display:flex;justify-content:center;gap:12px;margin:64px 0 46px;flex-wrap:wrap}
.chip{background:none;border:1px solid var(--line);border-radius:999px;color:var(--mut);font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;padding:9px 18px;cursor:pointer}
.chip.on{border-color:var(--accent);color:var(--accent)}
.chip:hover{color:var(--ink)}
a.chip{display:inline-block;text-decoration:none}
.chip .n{opacity:.55;margin-left:8px}

/* ---- row-major masonry ---- */
.masonry{display:grid;grid-template-columns:repeat(3,1fr);gap:0 28px;grid-auto-rows:8px;align-items:start;padding-bottom:120px}
.cell{position:relative}
.cell.hide{display:none}
.cell .ph{overflow:hidden;background:var(--bg2);position:relative}
.cell img{width:100%;display:block;transition:transform .7s ease}
.cell a:hover img{transform:scale(1.03)}
.cell .cap{padding:14px 2px 6px}
.cell .cap .t{font-family:'Fraunces',serif;font-size:19px;font-weight:400}
.cell .cap .t a:hover{color:var(--accent)}
.cell .cap .m{margin-top:4px}
.wip{position:absolute;top:14px;left:14px;z-index:2;background:var(--wipbg);border:1px solid var(--line);color:var(--accent);font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;padding:6px 10px}

/* ---- piece / plane detail page ---- */
.p-top{padding:50px 0 0}
.p-top .k a:hover{color:var(--accent)}
.p-top h1{font-family:'Fraunces',serif;font-style:italic;font-weight:340;font-size:clamp(38px,4.8vw,64px);line-height:1.05;margin:12px 0 0}
.p-main{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);gap:54px;align-items:start;padding:40px 0 36px}
.p-cover{border:1px solid var(--line);background:var(--bg2);padding:16px}
.p-cover img{width:100%;max-height:80vh;object-fit:contain;display:block}
.p-side{position:sticky;top:28px;display:flex;flex-direction:column;gap:36px}
.p-desc{font-weight:300;font-size:16px;line-height:1.8}
.p-desc p{margin:0 0 1.2em}
.p-desc em{font-family:'Fraunces',serif;font-style:italic}
.spec-card{border:1px solid var(--line);padding:26px 26px 10px;height:max-content}
.spec-card dl{margin:0}
.spec-card dt{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--mut);margin-bottom:4px}
.spec-card dd{margin:0 0 18px;font-size:14px}
.spec-card .dl-row a{color:var(--accent);font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;display:inline-block;margin-right:18px}
.spec-card .dl-row a:hover{border-bottom:1px solid var(--accent)}
.sc-meas{display:flex;gap:24px;flex-wrap:wrap;border-top:1px solid var(--line);margin:0 0 10px;padding:14px 0 4px}
.sc-meas div b,.pc-specs div b{display:block;font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);margin-bottom:3px}
.sc-meas div span,.pc-specs div span{font-size:13px}
.gal{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:20px 0 100px}
.gal figure{margin:0}
.gal img{width:100%;display:block}
.gal figcaption{padding-top:10px}
.gal .wide{grid-column:1/-1}
.pager{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:30px 0 90px;font-family:'Fraunces',serif;font-size:18px}
.pager a:hover{color:var(--accent)}
.pager .c{align-self:center}

/* ---- page head (about / journal / logs) ---- */
.pg-head{padding:60px 0 8px;max-width:860px}
.pg-head h1{font-family:'Fraunces',serif;font-style:italic;font-weight:340;font-size:clamp(40px,5vw,68px);line-height:1.05;margin:14px 0 0}
.pg-head .lede{color:var(--mut);font-weight:300;font-size:17px;line-height:1.85;margin-top:20px;max-width:58ch}

/* ---- about ---- */
.about{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.8fr);gap:72px;align-items:start;padding:34px 0 96px}
.about .bio{font-weight:300;font-size:17.5px;line-height:1.9;max-width:62ch}
.about .bio p{margin:0 0 1.25em}
.about .bio em{font-family:'Fraunces',serif;font-style:italic}

/* ---- journal ---- */
.journal{padding:18px 0 70px}
.j-entry{display:grid;grid-template-columns:340px minmax(0,1fr);gap:54px;padding:46px 0;border-bottom:1px solid var(--line);align-items:start}
.j-entry .frame .ph{aspect-ratio:4/3}
.j-entry .rail{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.j-entry .rail a:hover{color:var(--accent)}
.j-entry h2{font-family:'Fraunces',serif;font-weight:400;font-size:29px;line-height:1.18;margin:0 0 14px}
.j-entry h2 a:hover{color:var(--accent)}
.j-entry .ex{color:var(--mut);font-weight:300;font-size:15.5px;line-height:1.8;max-width:64ch;margin:0}
.j-entry .more{margin-top:20px}
.j-foot{padding:30px 0 0}

/* ---- planemaking landing: catalogue sections ---- */
.pm-jump{margin:58px 0 8px}
.pm-sec{padding-top:80px}
.pm-sec:last-of-type{padding-bottom:100px}
.pm-sechead{display:flex;justify-content:space-between;align-items:baseline;gap:20px;border-bottom:1px solid var(--line);padding-bottom:16px}
.pm-sechead .hl{display:flex;align-items:baseline;gap:18px}
.pm-sechead .no{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;color:var(--accent)}
.pm-sechead h2{font-family:'Fraunces',serif;font-style:italic;font-weight:340;font-size:clamp(28px,3.2vw,40px);line-height:1.05;margin:0}
.pm-sec .lede{color:var(--mut);font-weight:300;font-size:16px;line-height:1.8;max-width:62ch;margin:18px 0 0}
.pm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:36px}
.plane-card .ph{aspect-ratio:4/3}
.plane-card .cap{flex-direction:column;align-items:stretch;gap:0;padding:15px 4px 2px}
.plane-card .tr{display:block}
.plane-card .mk{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin-top:7px}
.pc-specs{display:flex;gap:24px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:14px;padding:11px 4px 3px}
.wip-card{cursor:default}
.wip-card:hover{border-color:var(--line)}
.wip-card:hover img{transform:none}
.wip-ex{color:var(--mut);font-size:13px;line-height:1.65;margin-top:8px}

/* ---- reference shelf ---- */
.ref-cat{margin:46px 0 0;color:var(--accent)}
.ref{padding:20px 0 22px;border-bottom:1px solid var(--line)}
.ref .t{font-family:'Fraunces',serif;font-size:20px;line-height:1.35}
.ref .t a:hover{color:var(--accent)}
.ref .t .ext{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--accent);margin-left:6px}
.ref .m{margin-top:7px}
.ref .nt{color:var(--mut);font-weight:300;font-size:14.5px;line-height:1.7;max-width:70ch;margin-top:9px}

/* ---- build-log pages (journal entry permalinks) ---- */
.log-actions{display:flex;gap:24px;flex-wrap:wrap;margin-top:22px}
.log-actions a{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.log-actions a:hover{border-bottom:1px solid var(--accent)}
.log-actions svg{vertical-align:-2px;margin-right:6px}
.entries{padding:14px 0 90px}
.entry{border-bottom:1px solid var(--line);padding:46px 0}
.entry:last-child{border-bottom:none}
.entry-head{display:flex;justify-content:space-between;align-items:baseline;gap:18px}
.entry-title{font-family:'Fraunces',serif;font-weight:400;font-size:28px;line-height:1.2;margin:0}
.entry-edit{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.entry-date{display:block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--mut);margin:8px 0 18px}
.entry-body{font-weight:300;font-size:16px;line-height:1.85;max-width:none}
.entry-body::after{content:'';display:table;clear:both}
.entry-body p{max-width:72ch}
.entry-body em{font-family:'Fraunces',serif;font-style:italic}
.entry-body a{color:var(--accent)}
.entry-body figure{border:1px solid var(--line);background:var(--bg2);padding:12px;margin:8px 0 22px}
.entry-body figure img{width:100%;display:block}
.entry-body figure{float:right;clear:right;max-width:44%;margin-left:30px}
.entry-body figure.float-left{float:left;clear:left;margin-left:0;margin-right:30px}
.entry-body figure.center{float:none;clear:both;max-width:720px;margin:26px auto}
.entry-body figcaption{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);padding-top:9px}
.pm-img-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;clear:both;margin:22px 0}
.pm-img-grid figure{float:none;max-width:none;margin:0}
.pm-img-grid p{margin:0;display:contents}
.embed-wrap{background:var(--bg2)}

/* ---- generic notes ---- */
.pm-note{color:var(--mut);font-weight:300}

/* ---- shop log / timecard ---- */
.tc-table{width:100%;border-collapse:collapse;margin:28px 0 80px;font-size:14px;font-weight:300}
.tc-table thead th{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);padding:0 16px 9px 0;border-bottom:1px solid var(--ink);text-align:left;white-space:nowrap}
.tc-table tbody td{padding:7px 16px 7px 0;border-bottom:1px solid var(--line);vertical-align:middle}
.tc-table tbody tr:last-child td{border-bottom:none}
.tc-col-date{font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:500;color:var(--ink);white-space:nowrap}
.tc-col-time{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--mut);white-space:nowrap}
.tc-col-act{line-height:1.5}
.tc-act-note{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--mut);margin-top:3px;line-height:1.6}
.tc-col-photos{white-space:nowrap;width:1px}
.tc-thumbs{display:flex;gap:4px;align-items:center}
.tc-thumbs a{display:block;width:38px;height:38px;overflow:hidden;border:1px solid var(--line);flex-shrink:0;transition:border-color .15s}
.tc-thumbs a:hover{border-color:var(--accent)}
.tc-thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.tc-col-edit{width:1px;white-space:nowrap;padding-left:8px}
.tc-edit{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.tc-summary{display:flex;gap:32px;flex-wrap:wrap;margin-top:10px}
.tc-summary div b{display:block;font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);margin-bottom:3px}
.tc-summary div span{font-size:15px}

/* ---- responsive ---- */
@media(max-width:1000px){
  .wrap{padding:0 24px}
  header.v4{flex-direction:column;align-items:center;gap:16px;padding:20px 24px 0}
  .wordmark{align-items:center;padding-bottom:0}
  header.v4 nav{justify-content:center;flex-wrap:wrap;gap:5px 5px}
  .mast{grid-template-columns:1fr;gap:44px;padding-top:44px}
  .mast-mini{display:none}
  .masonry{grid-template-columns:repeat(2,1fr)}
  .p-main{grid-template-columns:1fr;gap:40px}
  .p-side{position:static}
  .pm-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .about{grid-template-columns:1fr;gap:44px}
  .j-entry{grid-template-columns:1fr;gap:24px}
}
@media(max-width:620px){
  .masonry{grid-template-columns:1fr}
  .gal{grid-template-columns:1fr}
  .pm-grid{grid-template-columns:1fr}
  .entry-body figure,.entry-body figure.float-left{float:none;max-width:none;margin:18px 0}
  .tc-table thead{display:none}
  .tc-table tbody td{display:block;padding:4px 0;border-bottom:none}
  .tc-table tbody tr{border-bottom:1px solid var(--line);padding:10px 0;display:block}
  .tc-table tbody tr:last-child{border-bottom:none}
  .tc-col-photos{width:auto}
}