*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0}

:root{
  --ink:#0F2E26;
  --moss:#1E4D3D;
  --slate:#6F8C86;
  --gold:#C8A96A;
  --sand:#D9B98A;
  --clay:#B56A4C;
  --cream:#F4EFE4;
  --mist:#FBF8F1;
  --stone:#2F3330;
  --deep-gold:#8C6D3F;

  --cream-70:rgba(244,239,228,.72);
  --cream-55:rgba(244,239,228,.55);
  --ink-14:rgba(15,46,38,.14);
  --ink-08:rgba(15,46,38,.08);
  --gold-40:rgba(200,169,106,.4);
  --gold-25:rgba(200,169,106,.25);

  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --shell:1180px;
  --shell-wide:1320px;
  --gutter:clamp(18px,4vw,56px);
  --radius-card:18px;
  --radius-pill:999px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:96px;
  --dur:260ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-island:0 14px 34px rgba(15,46,38,.22);
}

body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  color:var(--stone);
  background-color:var(--cream);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(15,46,38,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(15,46,38,.055) 1px,transparent 1px);
  background-size:72px 72px;
}
::selection{background:rgba(200,169,106,.45);color:var(--ink)}

h1,h2,h3,h4,h5{font-family:var(--font-title);font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(30px,5.4vw,52px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:clamp(19px,2.1vw,23px);font-weight:700}
p{max-width:70ch}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
a:focus-visible{outline-color:var(--deep-gold)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding-top:10px;
}
.header-inner{
  position:relative;
  width:100%;
  max-width:var(--shell-wide);
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.skip-link{
  position:fixed;
  top:0;
  left:50%;
  z-index:200;
  transform:translate(-50%,-150%);
  padding:10px 22px;
  border-radius:0 0 14px 14px;
  background:var(--gold);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  transition:transform 200ms var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:translate(-50%,0)}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  padding:7px 18px 7px 9px;
  border-radius:var(--radius-pill);
  background:rgba(15,46,38,.94);
  border:1px solid var(--gold-40);
  color:var(--cream);
  text-decoration:none;
  box-shadow:var(--shadow-island);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.brand:hover{border-color:var(--gold);transform:translateY(-1px)}
.brand-mark{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:50%;
  background:linear-gradient(150deg,#E4CB9C,var(--gold) 46%,#9B7A44);
  box-shadow:inset 0 0 0 1px rgba(251,248,241,.35);
}
.brand-mark-glyph{
  font-family:var(--font-title);
  font-weight:800;
  font-size:17px;
  line-height:1;
  color:var(--ink);
}
.brand-words{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-family:var(--font-title);font-size:17px;font-weight:800;letter-spacing:.14em;color:var(--mist)}
.brand-sub{font-size:10px;letter-spacing:.3em;color:var(--sand)}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-left:auto;
  min-height:44px;
  padding:0 18px 0 15px;
  border-radius:var(--radius-pill);
  background:rgba(15,46,38,.94);
  border:1px solid var(--gold-40);
  color:var(--cream);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--gold)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle-bars span{display:block;height:1.5px;border-radius:2px;background:var(--gold);transition:transform var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:first-child{transform:translateY(2.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:last-child{transform:translateY(-2.75px) rotate(-45deg)}
.nav-toggle-label{font-size:13px;letter-spacing:.18em;color:var(--cream)}

.nav-island{
  position:absolute;
  top:calc(100% + 8px);
  left:var(--gutter);
  right:var(--gutter);
  display:none;
  flex-direction:column;
  gap:6px;
  max-height:min(72vh,540px);
  overflow-y:auto;
  padding:16px;
  border-radius:22px;
  background:rgba(15,46,38,.98);
  border:1px solid var(--gold-40);
  box-shadow:var(--shadow-island);
  backdrop-filter:blur(12px);
}
.nav-island[data-open="true"]{display:flex}
.nav-island-label{
  display:block;
  padding:0 8px 6px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.3em;
  color:var(--slate);
}
.nav-fold{display:flex;flex-direction:column;gap:4px}
.nav-list{display:flex;flex-direction:column;gap:2px}
.nav-link{
  display:block;
  padding:11px 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--cream-70);
  text-decoration:none;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-link:hover{background:rgba(200,169,106,.14);color:var(--mist)}
.nav-link[aria-current="page"]{background:var(--gold);color:var(--ink);font-weight:600}
.nav-quick{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
  padding-top:12px;
  border-top:1px solid var(--gold-25);
}
.nav-quick-link{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  border:1px solid var(--gold-40);
  color:var(--sand);
  font-size:13px;
  letter-spacing:.06em;
  text-decoration:none;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-quick-link:hover{background:rgba(200,169,106,.16);color:var(--mist)}
.nav-quick-link[aria-current="page"]{background:var(--ink);border-color:var(--gold);color:var(--mist)}
.nav-current{display:none}

.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  pointer-events:none;
}
.scroll-progress-bar{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--gold),var(--sand) 55%,var(--clay));
}

/* ===== Footer ===== */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  background:var(--ink);
  color:var(--cream-70);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(200,169,106,.09) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(200,169,106,.09) 1px,transparent 1px);
  background-size:76px 76px;
}
.footer-inner{
  position:relative;
  z-index:1;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(44px,6vw,76px) var(--gutter) clamp(20px,3vw,28px);
}
.footer-ledger{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(28px,5vw,60px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.brand--footer{
  padding:0;
  background:transparent;
  border-color:transparent;
  box-shadow:none;
}
.brand--footer:hover{border-color:transparent;transform:none}
.brand--footer .brand-name{color:var(--mist)}
.footer-note{
  font-size:14.5px;
  line-height:1.85;
  color:var(--cream-55);
  max-width:34ch;
}
.footer-groups{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(20px,3vw,32px);
  counter-reset:fg;
}
.footer-group{counter-increment:fg}
.footer-group-title{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:1px solid var(--gold-25);
  font-family:var(--font-title);
  font-size:14px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--mist);
}
.footer-group-title::before{
  content:counter(fg,decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--gold);
}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-link{
  display:inline-block;
  padding:5px 0;
  font-size:14.5px;
  color:var(--cream-70);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-link:hover{color:var(--sand);border-bottom-color:var(--gold)}

.footer-meta{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:22px 28px;
  margin-top:clamp(32px,4vw,56px);
  padding-top:clamp(22px,3vw,30px);
  border-top:1px solid var(--gold-25);
}
.footer-meta-block{display:flex;flex-direction:column;gap:6px}
.footer-meta-title{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  color:var(--slate);
}
.footer-meta-value{
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.7;
  color:var(--mist);
  word-break:break-word;
}
.footer-meta-value--text{font-family:var(--font-body);font-size:14px;line-height:1.75}
.footer-meta-note{
  grid-column:1/-1;
  font-size:13px;
  line-height:1.85;
  color:var(--cream-55);
  max-width:70ch;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 26px;
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid rgba(200,169,106,.16);
  font-size:12.5px;
  color:var(--cream-55);
}
.footer-sign{font-family:var(--font-title);letter-spacing:.2em;color:var(--sand);font-size:13px}
.footer-legal{font-family:var(--font-mono);letter-spacing:.05em;font-variant-numeric:tabular-nums}

.to-top{
  position:fixed;
  right:clamp(14px,3vw,32px);
  bottom:clamp(14px,3vw,32px);
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--gold-40);
  background:rgba(15,46,38,.95);
  color:var(--sand);
  font-size:13px;
  letter-spacing:.1em;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--gold);color:var(--mist)}

/* ===== Shared page components ===== */
.container{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.container--wide{max-width:var(--shell-wide)}
.section{padding-block:clamp(40px,6vw,76px)}
.section--tight{padding-block:clamp(24px,4vw,44px)}

.section-head{display:flex;flex-direction:column;gap:12px;max-width:66ch}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.28em;
  color:var(--deep-gold);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.section-title{font-family:var(--font-title);font-weight:800;font-size:clamp(24px,3.2vw,34px);line-height:1.28;color:var(--ink)}
.lede{font-size:clamp(15.5px,1.4vw,17.5px);line-height:1.85;color:#3B4A44;max-width:64ch}

.hairline{height:1px;border:0;background:var(--ink-14);margin:0}

.breadcrumb{font-family:var(--font-mono);font-size:12.5px;color:var(--slate)}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb-item+.breadcrumb-item::before{content:"/";color:var(--slate)}
.breadcrumb-link{color:var(--deep-gold);text-decoration:none;border-bottom:1px solid transparent}
.breadcrumb-link:hover{border-bottom-color:var(--deep-gold)}
.breadcrumb-current{color:var(--stone)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:44px;
  padding:11px 24px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn--gold{
  background:linear-gradient(135deg,#E1C695,var(--gold) 55%,#B9904C);
  color:var(--ink);
  box-shadow:0 8px 20px rgba(140,109,63,.22);
}
.btn--gold:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(140,109,63,.3)}
.btn--ghost{background:transparent;border-color:var(--gold-40);color:var(--cream)}
.btn--ghost:hover{background:rgba(200,169,106,.14);border-color:var(--gold);color:var(--mist)}
.btn--outline{background:transparent;border-color:rgba(15,46,38,.24);color:var(--ink)}
.btn--outline:hover{background:rgba(15,46,38,.06);border-color:var(--ink)}

.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:clamp(20px,2.4vw,28px);
  border:1px solid var(--ink-14);
  border-radius:var(--radius-card);
  background:var(--mist);
}
.card--ink{background:var(--ink);border-color:rgba(200,169,106,.28);color:var(--cream-70)}
.card--sand{background:rgba(217,185,138,.22);border-color:rgba(140,109,63,.22)}
.card-title{font-family:var(--font-title);font-size:clamp(19px,2vw,22px);font-weight:700;line-height:1.4;color:var(--ink)}
.card--ink .card-title{color:var(--mist)}
.card-text{font-size:15px;line-height:1.8;color:inherit}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:6px;
  border:1px solid rgba(140,109,63,.28);
  background:rgba(217,185,138,.28);
  color:#6B4E23;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
}
.tag--moss{background:rgba(30,77,61,.12);border-color:rgba(30,77,61,.22);color:var(--moss)}

.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:minmax(0,1fr)}
.grid--3{grid-template-columns:minmax(0,1fr)}
.grid--aside{grid-template-columns:minmax(0,1fr)}

.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  background:linear-gradient(140deg,var(--moss),var(--ink));
  aspect-ratio:4/3;
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(200,169,106,.3);
  pointer-events:none;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}

[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 420ms var(--ease),transform 420ms var(--ease)}
[data-reveal][data-revealed="true"]{opacity:1;transform:none}

@media (min-width:640px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--aside{grid-template-columns:minmax(0,7fr) minmax(0,3fr);gap:clamp(24px,4vw,56px)}
  .footer-ledger{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
}
@media (min-width:1024px){
  .site-header{padding-top:16px}
  .nav-toggle{display:none}
  .nav-island{
    position:static;
    display:flex;
    flex-direction:row;
    align-items:center;
    gap:4px;
    width:auto;
    max-height:none;
    overflow:visible;
    padding:6px;
    border-radius:var(--radius-pill);
  }
  .nav-island-label{display:none}
  .nav-fold{
    display:flex;
    flex-direction:row;
    align-items:center;
    gap:4px;
    overflow:hidden;
    transition:max-width 340ms var(--ease),opacity 220ms var(--ease),transform 340ms var(--ease);
  }
  .nav-list{flex-direction:row;align-items:center;gap:2px}
  .nav-link{padding:9px 13px;border-radius:var(--radius-pill);font-size:14px;white-space:nowrap}
  .nav-link:focus-visible{outline-offset:1px}
  .nav-quick{
    flex-wrap:nowrap;
    gap:6px;
    margin-top:0;
    margin-left:4px;
    padding-top:0;
    padding-left:10px;
    border-top:0;
    border-left:1px solid var(--gold-25);
  }
  .nav-quick-link{min-height:36px;padding:0 12px;font-size:12.5px;white-space:nowrap}
  .nav-current{
    display:none;
    padding:8px 16px;
    font-family:var(--font-mono);
    font-size:12px;
    letter-spacing:.16em;
    color:var(--sand);
    white-space:nowrap;
  }
  .site-header[data-condensed="true"] .nav-current{display:inline-block}
  .site-header[data-condensed="true"] .nav-fold{max-width:0;opacity:0;transform:translateX(-8px);pointer-events:none}
  .nav-island:hover .nav-fold,
  .nav-island:focus-within .nav-fold{max-width:900px;opacity:1;transform:none;pointer-events:auto}
  .nav-island:hover .nav-current,
  .nav-island:focus-within .nav-current{display:none}
}
@media (min-width:1180px){
  .footer-note{max-width:30ch}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}