/* ========== reset ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
:where(a,button,[tabindex]):focus-visible{outline:2px solid #B23A2B;outline-offset:3px;border-radius:2px}

/* ========== tokens ========== */
:root{
  --ink:#211E1B;
  --brick-deep:#3A3632;
  --brick:#6F6A64;
  --line:#D9D2C7;
  --paper:#F7F2E9;
  --paper-warm:#EFE6D8;
  --red:#B23A2B;
  --red-deep:#98301F;
  --red-soft:#C97A6A;
  --celadon:#5F8574;
  --brass:#A98247;
  --night:#1C1A17;
  --glow:#F3C894;

  --rail-w:88px;
  --index-h:44px;
  --maxw:1240px;
  --sp-1:24px;
  --sp-2:40px;
  --sp-3:72px;
  --sp-4:120px;

  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STFangsong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --ease-out:cubic-bezier(.2,.7,.3,1);
}

@media (max-width:899px){
  :root{--rail-w:0px;--index-h:56px;--sp-3:56px;--sp-4:80px}
}

/* ========== base ========== */
body{
  min-height:100vh;
  padding-left:var(--rail-w);
  padding-top:var(--index-h);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(to right,rgba(33,30,27,.035) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(33,30,27,.035) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-font-smoothing:antialiased;
}
@media (max-width:899px){
  body{padding-left:0;padding-top:56px;padding-bottom:56px}
}
body.nav-open{overflow:hidden}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.25;letter-spacing:.01em}
h2{font-size:clamp(1.7rem,3.1vw,2.6rem);line-height:1.25}
h3{font-size:clamp(1.125rem,1.6vw,1.375rem);line-height:1.4}
p{max-width:38em}

#main-content{display:block;scroll-margin-top:calc(var(--index-h) + 20px)}

/* ========== layout ========== */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:clamp(20px,4vw,56px);
}
.section{position:relative;padding-block:var(--sp-3)}
.section--paper{background:var(--paper)}
.section--warm{background:var(--paper-warm)}
.section--night{background:var(--night);color:var(--paper)}
.grid{display:grid;gap:var(--sp-1)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
@media (max-width:1023px){.grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media (max-width:599px){.grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}}

.rule{height:1px;border:0;margin:var(--sp-2) 0;
  background:linear-gradient(90deg,var(--brass),rgba(169,130,71,0))}

/* ========== buttons ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 24px;border-radius:2px;border:1px solid transparent;
  font-family:var(--sans);font-size:.9375rem;line-height:1.4;letter-spacing:.06em;
  cursor:pointer;
  transition:background-color 180ms var(--ease-out),color 180ms var(--ease-out),border-color 180ms var(--ease-out),transform 180ms var(--ease-out);
}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background:var(--red);color:#fff}
.btn--solid:hover{background:var(--red-deep)}
.btn--ghost{border-color:var(--brass);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--red);color:var(--red)}

/* ========== breadcrumb ========== */
.breadcrumb{font-size:.8125rem;line-height:1.7;color:var(--brick);padding-block:var(--sp-1)}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.breadcrumb__item{display:flex;align-items:center;gap:10px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line)}
.breadcrumb__link{color:var(--brick);transition:color 180ms}
.breadcrumb__link:hover{color:var(--red)}
.breadcrumb__item[aria-current="page"] .breadcrumb__link{color:var(--ink)}

/* ========== prose ========== */
.prose{max-width:38em}
.prose p + p{margin-top:1.1em}
.prose h3{margin-top:2em;margin-bottom:.6em}
.prose h2{margin-top:2.2em;margin-bottom:.7em}
.prose ul,.prose ol{margin-block:1em}
.prose li{position:relative;padding-left:1.4em;line-height:1.85}
.prose li + li{margin-top:.4em}
.prose li::before{content:"";position:absolute;left:0;top:.9em;width:9px;height:1px;background:var(--brass)}
.prose strong{font-weight:600;color:var(--red)}

/* ========== plate & rule graphics ========== */
.plate{display:inline-flex;align-items:baseline;gap:.45em;font-family:var(--serif);color:var(--brass);font-variant-numeric:tabular-nums}
.plate__num{font-size:1rem;letter-spacing:.1em}

/* ========== media ========== */
.media{position:relative;overflow:hidden;background:var(--paper-warm);border-radius:2px;isolation:isolate}
.media::before{content:"";position:absolute;inset:0;z-index:0;
  background:repeating-linear-gradient(135deg,rgba(169,130,71,.09) 0 1px,transparent 1px 13px)}
.media::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  border:1px solid rgba(33,30,27,.1)}
.media img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.media--portrait{aspect-ratio:3/4}
.media--tall{aspect-ratio:9/16}
.media--wide{aspect-ratio:16/9}
.media--square{aspect-ratio:1/1}
.media--organic{border-radius:42% 58% 54% 46% / 48% 44% 56% 52%}
.media__caption{margin-top:10px;font-size:.8125rem;line-height:1.7;color:var(--brick)}

/* ========== stats ========== */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--sp-1)}
.stat{padding-top:14px;border-top:1px solid var(--brass)}
.stat__num{font-family:var(--serif);font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;color:var(--ink)}
.stat__label{margin-top:8px;font-size:.8125rem;line-height:1.65;color:var(--brick)}

/* ========== tags ========== */
.tag{display:inline-block;padding:3px 11px;border-radius:999px;
  font-size:.75rem;line-height:1.6;letter-spacing:.06em;
  background:rgba(169,130,71,.14);color:#7d5f30}
.tag--red{background:rgba(178,58,43,.12);color:var(--red)}
.tag--green{background:rgba(95,133,116,.14);color:#3f6459}

/* ========== accordion ========== */
.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__trigger{
  display:flex;align-items:flex-start;gap:18px;width:100%;padding:22px 0 22px 18px;
  text-align:left;cursor:pointer;position:relative;
  font-family:var(--serif);font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.5;color:var(--ink);
  transition:color 180ms var(--ease-out);
}
.accordion__trigger::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--celadon);opacity:0;border-radius:2px;
  transition:opacity 180ms var(--ease-out);
}
.accordion__trigger:hover{color:var(--red)}
.accordion__item[data-open="true"] .accordion__trigger::before{opacity:1}
.accordion__mark{position:relative;flex:none;width:14px;height:14px;margin-left:auto;margin-top:.42em}
.accordion__mark::before,.accordion__mark::after{
  content:"";position:absolute;background:var(--brick);
  transition:transform 220ms var(--ease-out),background-color 180ms var(--ease-out);
}
.accordion__mark::before{left:0;right:0;top:6px;height:1.5px}
.accordion__mark::after{top:0;bottom:0;left:6px;width:1.5px}
.accordion__item[data-open="true"] .accordion__mark::before{background:var(--celadon)}
.accordion__item[data-open="true"] .accordion__mark::after{transform:scaleY(0);background:var(--celadon)}
.accordion__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows 220ms ease-out}
.accordion__item[data-open="true"] .accordion__panel{grid-template-rows:1fr}
.accordion__panel > *{overflow:hidden}
.accordion__body{padding:0 18px 26px;color:var(--brick);font-size:1rem;line-height:1.85}
.accordion__body > * + *{margin-top:.85em}

/* ========== filter ========== */
.filter{display:flex;flex-wrap:wrap;gap:10px}
.filter__btn{
  padding:7px 17px;border:1px solid var(--line);border-radius:999px;
  font-size:.8125rem;letter-spacing:.06em;color:var(--brick);cursor:pointer;
  transition:background-color 180ms,color 180ms,border-color 180ms;
}
.filter__btn:hover{border-color:var(--brass);color:var(--red)}
.filter__btn[aria-pressed="true"]{background:var(--red);border-color:var(--red);color:#fff}
[data-filter-item][hidden]{display:none}

/* ========== reveal ========== */
[data-reveal]{transition:opacity 400ms var(--ease-out),transform 400ms var(--ease-out)}
.has-reveal [data-reveal]:not([data-shown="true"]){opacity:0;transform:translateY(12px)}

/* ========== skip link ========== */
.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 10px);z-index:130;
  padding:10px 20px;border-radius:2px;
  background:var(--red);color:#fff;font-size:.875rem;letter-spacing:.06em;
  transform:translateY(-180%);
  transition:transform 180ms var(--ease-out);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

/* ========== header shell ========== */
.site-header{position:relative;z-index:90}

/* ---- side rail ---- */
.rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:95;
  display:flex;flex-direction:column;align-items:center;
  padding:16px 0 18px;
  color:var(--paper);
  background:var(--brick-deep);
  background-image:linear-gradient(180deg,#3E3934 0%,#2A2724 100%);
  border-right:1px solid rgba(169,130,71,.35);
  overflow-y:auto;
  overflow-x:visible;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}

.rail__seal{
  flex:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  width:52px;height:52px;flex:none;
  background:var(--red);color:#fff;
  font-family:var(--serif);font-size:.8125rem;line-height:1.08;letter-spacing:.02em;
  border-radius:42% 58% 54% 46% / 48% 44% 56% 52%;
  box-shadow:inset 0 0 0 1px rgba(247,242,233,.18);
  transition:background-color 200ms var(--ease-out),transform 260ms var(--ease-out);
}
.rail__seal:hover{background:var(--red-deep);transform:rotate(-4deg) scale(1.05)}

.rail__list{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  width:100%;flex:1 1 auto;justify-content:center;margin-top:18px;
}
.rail__item{width:100%}
.rail__link{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;
  width:100%;padding:8px 0;
  color:rgba(247,242,233,.72);
  transition:color 180ms var(--ease-out);
}
.rail__link::before{
  content:"";position:absolute;left:7px;top:50%;translate:0 -50%;
  width:3px;height:0;border-radius:2px;background:var(--brass);
  transition:height 180ms var(--ease-out),background-color 180ms var(--ease-out);
}
.rail__link:hover::before,.rail__link:focus-visible::before,
.rail__link[aria-current="page"]::before{height:72%}
.rail__link:hover{color:var(--paper)}
.rail__link[aria-current="page"]{color:var(--paper);background:linear-gradient(90deg,rgba(178,58,43,.3),rgba(178,58,43,0))}
.rail__link[aria-current="page"]::before{background:var(--red)}

.rail__num{
  font-family:var(--serif);font-size:.6875rem;line-height:1.2;letter-spacing:.1em;
  font-variant-numeric:tabular-nums;color:rgba(247,242,233,.48);
  transition:color 180ms var(--ease-out);
}
.rail__link:hover .rail__num{color:var(--glow)}
.rail__link[aria-current="page"] .rail__num{color:var(--glow)}

.rail__label{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-size:.75rem;line-height:1.2;letter-spacing:.08em;
  color:inherit;
}
.rail__more{
  position:absolute;left:calc(100% + 6px);top:50%;translate:0 -50%;
  min-width:186px;padding:12px 16px;text-align:left;
  background:var(--night);color:var(--paper);
  border-left:2px solid var(--red);border-radius:2px;
  box-shadow:0 18px 40px rgba(28,26,23,.35);
  opacity:0;visibility:hidden;transform:translateX(-8px);pointer-events:none;
  transition:opacity 180ms var(--ease-out),transform 180ms var(--ease-out),visibility 180ms;
}
.rail__more-title{display:block;font-family:var(--serif);font-size:.9375rem;line-height:1.4;letter-spacing:.04em}
.rail__more-desc{display:block;margin-top:4px;font-size:.75rem;line-height:1.6;color:rgba(247,242,233,.6)}
.rail__link:hover .rail__more,.rail__link:focus-visible .rail__more{
  opacity:1;visibility:visible;transform:translateX(0)
}

.rail__foot{
  flex:none;margin-top:16px;width:100%;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.rail__note{display:none;max-width:22ch;font-size:.8125rem;line-height:1.7;color:rgba(247,242,233,.6)}
.rail__cta{
  display:inline-flex;align-items:center;justify-content:center;
  writing-mode:vertical-rl;padding:14px 7px;border-radius:2px;
  border:1px solid rgba(169,130,71,.55);color:var(--glow);
  font-size:.75rem;letter-spacing:.16em;
  transition:background-color 180ms,color 180ms,border-color 180ms;
}
.rail__cta:hover{background:var(--red);border-color:var(--red);color:#fff}

@media (max-height:730px){
  .rail__label{display:none}
  .rail__link{gap:0;padding:11px 0}
}

/* ---- top index ---- */
.top-index{
  position:fixed;top:0;left:var(--rail-w);right:0;height:var(--index-h);z-index:92;
  background:rgba(247,242,233,.9);
  -webkit-backdrop-filter:blur(10px) saturate(1.05);
  backdrop-filter:blur(10px) saturate(1.05);
  border-bottom:1px solid var(--line);
}
.top-index__inner{
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  width:100%;max-width:var(--maxw);height:100%;
  margin-inline:auto;padding-inline:clamp(20px,4vw,56px);
}
.top-index__brand{
  display:none;font-family:var(--serif);font-size:1rem;letter-spacing:.06em;color:var(--ink);white-space:nowrap;
}
.top-index__tag{
  display:inline-flex;align-items:center;flex:none;
  font-family:var(--serif);font-size:.75rem;line-height:1;letter-spacing:.18em;color:var(--brass);white-space:nowrap;
}
.top-index__tag::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--red);margin-right:8px;
}
.top-index__list{display:flex;align-items:center;gap:clamp(10px,1.6vw,22px);margin-left:auto}
.top-index__item{display:flex}
.top-index__link{
  position:relative;display:inline-block;padding:4px 0;white-space:nowrap;
  font-size:.8125rem;line-height:1.6;letter-spacing:.06em;color:var(--brick);
  transition:color 180ms var(--ease-out);
}
.top-index__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--red);
  transform:scaleX(0);transform-origin:left;
  transition:transform 180ms var(--ease-out);
}
.top-index__link:hover{color:var(--red)}
.top-index__link:hover::after{transform:scaleX(1)}
.top-index__link[aria-current="page"]{color:var(--red)}
.top-index__link[aria-current="page"]::after{transform:scaleX(1)}
.top-index__progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--red),var(--brass));
  transition:width 90ms linear;
}

/* ---- mobile toggle & scrim ---- */
.nav-toggle{
  position:fixed;top:10px;right:12px;z-index:101;
  display:none;align-items:center;gap:9px;
  padding:9px 13px;border-radius:2px;
  background:var(--brick-deep);color:var(--paper);
  border:1px solid rgba(169,130,71,.45);
  font-size:.75rem;letter-spacing:.16em;line-height:1;cursor:pointer;
}
.nav-toggle__bars{display:grid;gap:3px;width:16px;flex:none}
.nav-toggle__bars span{display:block;height:1.5px;background:var(--glow);border-radius:1px;
  transition:transform 180ms var(--ease-out),opacity 140ms linear}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

.drawer-scrim{
  position:fixed;inset:0;z-index:99;
  background:rgba(28,26,23,.58);
  opacity:0;pointer-events:none;
  transition:opacity 240ms var(--ease-out);
}
.drawer-scrim[data-open="true"]{opacity:1;pointer-events:auto}

@media (min-width:900px){
  .drawer-scrim{display:none}
}

/* ---- mobile drawer ---- */
@media (max-width:899px){
  .nav-toggle{display:inline-flex}
  .top-index__tag{display:none}
  .top-index__brand{display:block}
  .top-index__list{display:none}

  .rail{
    width:min(86vw,340px);
    transform:translateX(-100%);
    transition:transform 260ms var(--ease-out);
    padding:22px 0 28px;
    box-shadow:24px 0 60px rgba(28,26,23,.4);
    align-items:stretch;
  }
  .rail[data-open="true"]{transform:translateX(0)}
  .rail__seal{margin-left:22px}
  .rail__list{align-items:stretch;justify-content:flex-start;gap:0;margin-top:20px;overflow-y:auto}
  .rail__link{
    flex-direction:row;align-items:center;justify-content:flex-start;gap:14px;
    padding:14px 22px;text-align:left;
  }
  .rail__link::before{left:0}
  .rail__num{font-size:.75rem;min-width:22px;letter-spacing:.08em}
  .rail__label{
    writing-mode:horizontal-tb;text-orientation:initial;
    font-size:1rem;letter-spacing:.06em;line-height:1.5;
  }
  .rail__more{display:none}
  .rail__foot{
    align-items:flex-start;padding:20px 22px 0;margin-top:auto;gap:14px;
    border-top:1px solid rgba(247,242,233,.14);
  }
  .rail__note{display:block}
  .rail__cta{writing-mode:horizontal-tb;padding:11px 20px;font-size:.875rem;letter-spacing:.08em}
}

/* ========== footer ========== */
.foot{
  position:relative;overflow:hidden;
  background:var(--night);color:var(--paper);
  padding-block:var(--sp-3) 30px;
}
.foot__glow{
  position:absolute;top:-180px;right:-90px;width:540px;height:540px;
  background:radial-gradient(circle at center,
    rgba(243,200,148,.30) 0%,
    rgba(178,58,43,.16) 40%,
    rgba(28,26,23,0) 68%);
  filter:blur(8px);pointer-events:none;
  animation:glow-drift 12s ease-in-out infinite;
}
@keyframes glow-drift{
  0%,100%{transform:translate3d(0,0,0);opacity:.88}
  50%{transform:translate3d(-16px,10px,0);opacity:1}
}

.foot__top{
  position:relative;
  padding-bottom:var(--sp-2);
  border-bottom:1px solid rgba(247,242,233,.14);
}
.foot__kicker{
  max-width:none;
  font-size:.75rem;letter-spacing:.24em;line-height:1.6;color:var(--brass);
}
.foot__brand-row{
  display:flex;flex-wrap:wrap;align-items:flex-end;
  gap:clamp(18px,3.4vw,52px);margin-top:18px;
}
.foot__brand{
  font-family:var(--serif);font-size:clamp(2rem,4.8vw,3.3rem);line-height:1.08;
  letter-spacing:-.01em;color:var(--paper);
  transition:color 180ms var(--ease-out);
}
.foot__brand:hover{color:var(--glow)}
.foot__intro{
  flex:1 1 300px;max-width:34em;
  font-size:.9375rem;line-height:1.85;color:rgba(247,242,233,.72);
}
.foot__cta{flex:none}

.foot__grid{
  position:relative;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.3fr);
  gap:var(--sp-2) var(--sp-1);
  padding-block:var(--sp-3) var(--sp-2);
}
.foot__col-title{
  max-width:none;
  font-family:var(--serif);font-size:.8125rem;line-height:1.6;letter-spacing:.2em;
  color:var(--brass);margin-bottom:16px;
}
.foot__links{display:grid;gap:11px}
.foot__link{
  position:relative;display:inline-block;
  font-size:.9375rem;line-height:1.7;color:rgba(247,242,233,.78);
  transition:color 180ms var(--ease-out),transform 180ms var(--ease-out);
}
.foot__link::before{
  content:"";position:absolute;left:-14px;top:50%;width:6px;height:1px;
  background:var(--red);opacity:0;
  transition:opacity 180ms var(--ease-out);
}
.foot__link:hover{color:var(--glow);transform:translateX(5px)}
.foot__link:hover::before{opacity:1}

.foot__contact{
  padding:20px 22px;border-radius:2px;
  background:rgba(247,242,233,.05);
  border-left:2px solid var(--red);
}
.foot__contact-list{display:grid;gap:14px}
.foot__contact-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px}
.foot__contact-key{
  flex:none;font-size:.6875rem;line-height:1.8;letter-spacing:.18em;color:var(--brass);
}
.foot__contact-val{
  font-size:.9375rem;line-height:1.7;color:rgba(247,242,233,.86);
  word-break:break-word;
}
.copy{
  margin-left:auto;flex:none;
  padding:3px 10px;border-radius:999px;border:1px solid rgba(247,242,233,.24);
  font-size:.6875rem;line-height:1.7;letter-spacing:.1em;
  color:rgba(247,242,233,.7);cursor:pointer;
  transition:border-color 180ms,color 180ms,background-color 180ms;
}
.copy:hover{border-color:var(--brass);color:var(--glow)}
.copy[data-copied="true"]{border-color:var(--celadon);color:#A9D0C1}

.foot__bottom{
  position:relative;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 32px;padding-top:var(--sp-2);
  border-top:1px solid rgba(247,242,233,.14);
  font-size:.8125rem;line-height:1.7;color:rgba(247,242,233,.55);
}
.foot__legal,.foot__note,.foot__year{max-width:none}
.foot__note{flex:1 1 260px}
.foot__year{font-variant-numeric:tabular-nums}

@media (max-width:1023px){
  .foot__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot__contact{grid-column:1 / -1}
}
@media (max-width:599px){
  .foot__grid{grid-template-columns:1fr}
  .foot__brand-row{align-items:flex-start}
  .foot__cta{width:100%}
  .foot__bottom{flex-direction:column;align-items:flex-start}
}

/* ========== fixed helpers ========== */
.feedback-bar{display:none}
@media (max-width:899px){
  .feedback-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:88;
    display:flex;align-items:center;justify-content:center;gap:10px;
    min-height:56px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:var(--paper-warm);color:var(--red);
    border-top:1px solid var(--red);
    font-size:.9375rem;line-height:1.5;letter-spacing:.08em;
  }
  .feedback-bar::after{content:"→";color:var(--brass)}
}

.to-top{
  position:fixed;right:22px;bottom:22px;z-index:80;
  display:grid;place-items:center;width:46px;height:46px;
  border-radius:50%;border:1px solid var(--brass);
  background:rgba(247,242,233,.92);color:var(--brass);
  font-size:1rem;line-height:1;cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity 220ms var(--ease-out),transform 220ms var(--ease-out),background-color 180ms;
}
.to-top[data-show="true"]{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--paper-warm);color:var(--red);border-color:var(--red)}
@media (max-width:899px){
  .to-top{right:16px;bottom:72px;width:42px;height:42px}
}

/* ========== reduced motion ========== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .foot__glow{animation:none}
  .has-reveal [data-reveal]:not([data-shown="true"]){opacity:1;transform:none}
  .btn:hover,.foot__link:hover,.rail__seal:hover{transform:none}
}