@font-face{
  font-family:"Fraunces";
  src:url("../fonts/fraunces.woff") format("woff");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Fraunces";
  src:url("../fonts/fraunces-italic.woff") format("woff");
  font-weight:100 900;
  font-style:italic;
  font-display:swap;
}
@font-face{
  font-family:"Figtree";
  src:url("../fonts/figtree.woff") format("woff");
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}

:root{
  --paper:#f3efe6;
  --paper-2:#e7e0d1;
  --ink:#1c1814;
  --muted:#5c554b;
  --line:#d4cbb8;
  --card:#fffcf7;
  --teal:#125c5f;
  --teal-2:#0b3f42;
  --copper:#b85a22;
  --header:#1c1814;
  --header-fg:#f3efe6;
  --header-muted:#c9c0b0;
  --max:1180px;
  --radius:2px;
  --font-display:"Fraunces", "Iowan Old Style", Georgia, "Noto Serif CJK SC", "Songti SC", "Noto Serif SC", serif;
  --font-body:"Figtree", "Segoe UI", "Noto Sans CJK SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow:0 12px 32px rgba(28,24,20,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  font-weight:420;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--teal-2)}
h1,h2,h3,.display{
  font-family:var(--font-display);
  font-weight:520;
  letter-spacing:-0.02em;
  line-height:1.15;
  margin:0 0 .6em;
}
h1{font-size:clamp(2rem, 4vw, 3.15rem);font-weight:560}
h2{font-size:clamp(1.45rem, 2.4vw, 2rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.kicker{
  font-family:var(--font-body);
  font-size:12px;
  font-weight:650;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--copper);
  margin:0 0 .7em;
}
.wrap{width:min(var(--max), calc(100% - 40px));margin-inline:auto}
.skip{
  position:absolute;left:-999px;top:8px;
  background:#fff;color:var(--ink);padding:8px 12px;z-index:80;
}
.skip:focus{left:16px}

/* Draft ribbon — remove at publish with the noindex meta */
.draft-ribbon{
  margin:0;
  padding:8px 16px;
  background:#2a241c;
  color:#f3efe6;
  font-size:13px;
  letter-spacing:.04em;
  text-align:center;
}
.draft-ribbon strong{color:#f0d9a8;font-weight:650}

/* Header */
.site-header{
  background:var(--header);
  color:var(--header-fg);
  position:sticky;top:0;z-index:40;
  border-bottom:1px solid rgba(243,239,230,.08);
}
.site-header .bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding-top:4px;padding-bottom:4px;
}
.wordmark{
  color:var(--header-fg);text-decoration:none;
  font-family:var(--font-display);
  font-size:1.15rem;font-weight:560;letter-spacing:-0.02em;
  line-height:1.15;
}
.wordmark span{display:block;font-family:var(--font-body);font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--header-muted);margin-top:2px}
.site-header nav{display:flex;align-items:center;gap:4px 18px;flex-wrap:wrap}
.site-header nav a{
  color:var(--header-fg);text-decoration:none;font-size:14px;font-weight:520;
  opacity:.88;
}
.site-header nav a.btn{opacity:1;color:var(--ink)}
.site-header nav a.btn-light{background:#f3efe6;color:#1c1814}
.site-header nav a:hover,.site-header nav a[aria-current="page"]{opacity:1;color:#fff}
.site-header .lang{opacity:.7;border-left:1px solid rgba(243,239,230,.2);padding-left:14px;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border-radius:var(--radius);
  font-family:var(--font-body);font-size:14px;font-weight:650;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  line-height:1.2;
}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-2);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-wa{background:#125c5f;color:#fff}
.btn-wa:hover{background:#0b3f42;color:#fff}
.nav-toggle{
  display:none;background:transparent;border:1px solid rgba(243,239,230,.3);
  color:var(--header-fg);padding:8px 10px;border-radius:var(--radius);
  font:inherit;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
}

/* Home hero is compact so image nav comes first */
.hero{
  padding:18px 0 4px;
}
.hero h1{font-size:clamp(1.55rem, 3.1vw, 2.4rem);margin-bottom:.35em}
.hero p.lead{
  font-size:1.05rem;color:var(--muted);max-width:42rem;margin:0;
}

/* Image-button boards */
.board{padding:18px 0 8px}
.board-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:12px}
.board-head h2{margin:0}
.board-head p{margin:0;color:var(--muted);font-size:15px}
.tiles{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:10px;
}
.tiles.tiles-9{grid-template-columns:repeat(3, 1fr)}
.tiles.tiles-wide{grid-template-columns:repeat(4, 1fr)}
.tile{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  text-decoration:none;color:inherit;
  overflow:hidden;
  min-height:0;
  transition:border-color .15s ease, transform .15s ease;
}
.tile:hover{border-color:var(--ink);color:inherit;transform:translateY(-1px)}
.tile .visual{
  background:linear-gradient(180deg, #efe8da 0%, #e7e0d1 100%);
  aspect-ratio: 4 / 5;
  display:flex;align-items:flex-end;justify-content:center;
  overflow:hidden;
}
.tile .visual img{
  width:100%;height:100%;object-fit:contain;object-position:center bottom;
}
.tile.wide .visual{aspect-ratio: 5 / 4;align-items:center}
.tile.wide .visual img{object-fit:cover;object-position:center}
.tile .caption{
  padding:10px 12px 12px;
  border-top:1px solid var(--line);
  background:var(--card);
}
.tile .caption strong{display:block;font-size:15px;font-weight:650;letter-spacing:-0.01em}
.tile .caption span{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* Typographic wavelength tiles */
.tile.typo .visual{
  aspect-ratio: 5 / 4;
  align-items:center;
  justify-content:center;
  background:#1c1814;
  color:#f3efe6;
}
.tile.typo .nm{
  font-family:var(--font-display);
  font-size:clamp(2rem, 4vw, 2.8rem);
  font-weight:560;
  letter-spacing:-0.03em;
  line-height:1;
}
.tile.typo .nm small{display:block;font-size:.42em;letter-spacing:.12em;text-transform:uppercase;opacity:.7;margin-top:.35em;font-family:var(--font-body);font-weight:650}
.tile.typo.w532 .visual{background:#2a3d1f}
.tile.typo.w1064 .visual{background:#1a2a33}

/* Prose sections */
.prose{padding:36px 0 16px}
.prose .grid-2{
  display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start;
}
.prose .panel{
  background:var(--card);border:1px solid var(--line);padding:0;
  overflow:hidden;
}
.prose .panel img{width:100%;height:auto}
.prose .panel figcaption{padding:10px 14px;font-size:13px;color:var(--muted)}
.shop-link{
  font-size:14px;
  color:var(--muted);
  margin-top:1.2em;
}
.shop-link a{color:var(--muted);text-decoration:underline}
.shop-link a:hover{color:var(--teal)}

/* Breadcrumb */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--teal)}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li:not(:last-child)::after{content:"/";margin-left:6px;opacity:.6}

/* Series / product layout */
.page-hero{padding:18px 0 8px}
.page-hero .lead{font-size:1.12rem;color:var(--muted);max-width:42rem}
.split{
  display:grid;grid-template-columns:minmax(0, .9fr) minmax(0, 1.1fr);
  gap:36px;align-items:start;padding:12px 0 28px;
}
.photo-stage{
  background:linear-gradient(180deg,#efe8da,#e7e0d1);
  border:1px solid var(--line);
  padding:18px 18px 0;
  position:sticky;top:84px;
}
.photo-stage img{width:100%;max-height:640px;object-fit:contain;margin:0 auto}
.facts{margin:0;display:grid;grid-template-columns:1fr;border-top:1px solid var(--line)}
.facts div{display:grid;grid-template-columns:minmax(8rem,36%) 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.facts dt{margin:0;color:var(--muted);font-size:14px}
.facts dd{margin:0;font-weight:550}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 8px}

/* Config table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--card);margin:8px 0 16px}
table.configs{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
table.configs th,table.configs td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.configs thead th{
  background:var(--header);color:var(--header-fg);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:650;
  border:0;
}
table.configs tbody tr:nth-child(even){background:#faf6ee}
table.configs tbody tr:last-child td{border-bottom:0}
.note{font-size:14px;color:var(--muted)}

/* FAQ */
.faq{padding:10px 0 36px}
.faq details{
  border-top:1px solid var(--line);padding:12px 0;
}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:650;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:1.2em;color:var(--copper);font-weight:700}
.faq details[open] summary::before{content:"–"}
.faq details p{margin:.6em 0 0;color:var(--ink)}

/* Related */
.related{padding:0 0 40px}
.related .tiles{grid-template-columns:repeat(4, 1fr)}

/* About */
.about-block{padding:8px 0 40px}
.about-block .grid-2{display:grid;grid-template-columns:1.2fr .8fr;gap:36px}

/* Footer */
.site-footer{
  background:var(--header);color:var(--header-fg);
  padding:36px 0 28px;margin-top:12px;
  font-size:14px;
}
.site-footer a{color:var(--header-fg)}
.site-footer .grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;
}
.site-footer h2,.site-footer .foot-title{
  font-family:var(--font-display);font-size:1.2rem;margin:0 0 10px;color:#fff;
}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 6px}
.site-footer .fine{opacity:.7;margin-top:28px;border-top:1px solid rgba(243,239,230,.12);padding-top:16px}

/* Inquire strip */
.inquire{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  padding:22px 0;
}
.inquire .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}

@media (max-width: 960px){
  .tiles.tiles-9,.tiles.tiles-wide,.related .tiles{grid-template-columns:repeat(2, 1fr)}
  .split,.prose .grid-2,.about-block .grid-2,.site-footer .grid{grid-template-columns:1fr}
  .photo-stage{position:static}
}
@media (max-width: 720px){
  .wrap{width:min(var(--max), calc(100% - 28px))}
  .nav-toggle{display:inline-flex}
  .site-header nav{
    display:none;flex-direction:column;align-items:flex-start;
    width:100%;padding:0 0 16px;
  }
  .site-header.is-open nav{display:flex}
  .site-header .bar{flex-wrap:wrap;padding-top:8px}
  .site-header .lang{border:0;padding:0;margin:0}
  .tiles.tiles-9{grid-template-columns:repeat(2, 1fr)}
  .hero{padding-top:20px}
  body{font-size:16px}
  .facts div{grid-template-columns:1fr;gap:2px}
}
@media (max-width: 520px){
  .tiles.tiles-wide{grid-template-columns:1fr 1fr}
}