/* ==========================================================================
   Acoustic Consultants Ltd — "The Index"
   --------------------------------------------------------------------------
   base.css owns reset, wrap, sections, header/nav mechanics, buttons, footer
   skeleton, reveals, preloader shell and the hero headline contract.
   This file supplies the paper, the index grammar and the two figures.
   ========================================================================== */

:root{
  /* ---------- the book ---------- */
  --ink:        #15171a;
  --paper:      #f6f4ee;
  --paper-2:    #efebe2;
  --paper-3:    #e6e1d5;
  --rule:       #cfcabb;
  --blue:       #1f4f8f;
  --blue-lit:   #93b6e0;
  --grey:       #686d71;

  /* ---------- names base.css expects ---------- */
  --ink-2:      #1b1e22;
  --ink-3:      #22262b;
  --surface:    var(--paper);
  --surface-2:  var(--paper-2);
  --text:       var(--ink);
  --muted:      var(--grey);
  --ink-text:   var(--ink);
  --ink-mute:   #5f6468;
  --accent:     var(--blue);
  --accent-lit: var(--blue-lit);
  --accent-2:   var(--blue);
  --line:       rgba(21,23,26,.15);
  --line-d:     rgba(21,23,26,.15);

  /* ---------- type ---------- */
  --font-display: "Alegreya", "Iowan Old Style", Georgia, serif;
  --font-body:    "Be Vietnam Pro", system-ui, -apple-system, sans-serif;
  --font-mono:    "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;

  --wrap-max: 1240px;
  --pad: clamp(1.15rem, 4vw, 2.5rem);
  --radius: 2px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

html{ scroll-padding-top:96px; }
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-weight:300;
  font-size:16.5px;
  line-height:1.68;
}
::selection{ background:var(--blue); color:var(--paper); }
:focus-visible{ outline:2px solid var(--blue); outline-offset:3px; }

/* paper grain — a printed surface, not a screen */
body::after{
  content:""; position:fixed; inset:0; z-index:880;
  pointer-events:none; opacity:.021;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:160px 160px;
}

.skip{
  position:absolute; left:.5rem; top:.5rem; z-index:10000;
  width:1px; height:1px; overflow:hidden; clip-path:inset(50%);
  padding:.75rem 1.1rem;
  background:var(--blue); color:var(--paper);
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
}
.skip:focus{ width:auto; height:auto; clip-path:none; }

/* ==========================================================================
   PRELOADER — the index rule drawing itself
   ========================================================================== */
.pre{ background:var(--ink); }
.pre__mark{ width:min(120px,26vw); }
.pre__mark svg{ width:100%; height:auto; display:block; }
.pre__rule{
  stroke:var(--paper); stroke-width:1.2;
  stroke-dasharray:120; stroke-dashoffset:120;
  animation:preRule 1.1s var(--ease) forwards;
}
.pre__tick{
  stroke:var(--blue-lit); stroke-width:1.2;
  stroke-dasharray:100; stroke-dashoffset:100;
  animation:preTick .5s var(--ease) forwards;
  animation-delay:calc(.45s + var(--i) * .1s);
}
.pre__dot{ fill:var(--blue-lit); opacity:0; animation:preFade .4s ease .2s forwards; }
@keyframes preRule{ to{ stroke-dashoffset:0; } }
@keyframes preTick{ to{ stroke-dashoffset:0; } }
@keyframes preFade{ to{ opacity:1; } }
.pre__meta{ color:rgba(246,244,238,.55); letter-spacing:.18em; font-size:.66rem; }
.pre__pct{ color:var(--blue-lit); }
.pre__bar{ background:rgba(246,244,238,.16); }
.pre__bar i{ background:var(--blue-lit); }

/* ==========================================================================
   HEADER — a running head for the whole book
   ========================================================================== */
.hdr{
  background:var(--paper);
  border-bottom:1px solid var(--rule);
}
@media (min-width:1024px){
  .hdr{
    background:color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter:blur(12px) saturate(1.05);
    -webkit-backdrop-filter:blur(12px) saturate(1.05);
  }
}
.hdr__in{ min-height:76px; gap:clamp(.8rem,2vw,2rem); }
.brand img{
  width:160px; height:auto;
  filter:invert(1);
  opacity:.94;
}
.nav__list{ gap:.1rem; }
.nav__link{
  font-family:var(--font-body);
  font-size:.79rem; font-weight:400;
  letter-spacing:.01em;
  padding:.55rem .6rem;
  border-radius:0;
  color:var(--ink);
}
.nav__link:hover{ color:var(--blue); background:transparent; }
.nav__item.is-open > .nav__link{ color:var(--blue); }
.hdr__cta{
  flex-shrink:0;
  display:none;
  font-family:var(--font-mono);
  font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--blue);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 45%, transparent);
  padding:.35rem 0 .3rem;
  margin-left:.6rem;
  transition:border-color .2s, color .2s;
}
.hdr__cta span{ display:inline-block; transition:transform .25s var(--ease); }
.hdr__cta:hover span{ transform:translateX(4px); }
.hdr__cta:hover{ border-color:var(--blue); }
@media (min-width:1120px){ .hdr__cta{ display:inline-block; } }
@media (min-width:1024px){ .nav__foot{ display:none; } }

@media (max-width:1023px){
  .nav{ background:var(--paper); }
  .nav__headlabel{ color:var(--grey); }
  .nav__link{ color:var(--ink); }
  .nav__foot{ color:var(--grey); }
  .brand img{ width:146px; }
}

/* ==========================================================================
   HERO — a title page, not a hero
   ========================================================================== */
.hero{
  min-height:calc(100svh - 76px);
  padding-top:clamp(1rem,2.2vw,1.8rem);
  padding-bottom:1.1rem;
  display:flex;
  background:var(--paper);
}
.hero > .wrap{ flex:1; display:flex; flex-direction:column; }

.hero__imprint{
  display:flex; justify-content:space-between; align-items:baseline; gap:1.2rem;
  border-bottom:1px solid var(--ink);
  padding-bottom:.6rem;
  font-family:var(--font-mono);
  font-size:.63rem; letter-spacing:.17em; text-transform:uppercase;
}
.hero__imprint-l{ color:var(--ink); }
.hero__imprint-r{ color:var(--grey); text-align:right; }

.hero__body{
  flex:1;
  display:grid;
  grid-template-columns:minmax(0,1fr) 118px;
  gap:clamp(1.6rem,4vw,4rem);
  align-items:center;
  padding-block:clamp(2.2rem,5.5vw,4.2rem);
}
.hero__copy{ min-width:0; max-width:880px; }

.hero__kicker{
  display:flex; align-items:center; gap:.9rem;
  font-family:var(--font-mono);
  font-size:.64rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--grey);
  margin-bottom:clamp(1rem,2.4vw,1.8rem);
}
.hero__kicker::before{
  content:""; width:36px; height:1px; background:var(--blue); flex:none;
}

.hero__h1{
  font-family:var(--font-display);
  font-weight:500;
  font-size:var(--h1-size, clamp(2.5rem, 7.4vw, 5.4rem));
  line-height:.97;
  letter-spacing:-.022em;
  color:var(--ink);
}
.hero__h1 em{
  font-style:italic;
  font-weight:400;
  color:var(--blue);
}
.hero__h1 .line{ padding-block:.03em; }

.hero__lead{
  margin-top:clamp(1.3rem,2.6vw,2rem);
  max-width:46ch;
  font-size:clamp(.98rem,1.3vw,1.1rem);
  line-height:1.7;
  color:var(--ink-mute);
}
.hero__link{
  margin-top:clamp(1.4rem,3vw,2.2rem);
  font-family:var(--font-mono);
  font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
}
.hero__link a{
  display:inline-flex; align-items:center; gap:.6rem;
  color:var(--blue);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 50%, transparent);
  padding-bottom:.28rem;
  transition:border-color .2s;
}
.hero__link a span{ transition:transform .25s var(--ease); }
.hero__link a:hover{ border-color:var(--blue); }
.hero__link a:hover span{ transform:translateY(3px); }

/* the spine: eight sectors, set vertically like book tabs */
.hero__rail{
  align-self:center;
  border-left:1px solid var(--rule);
  padding-left:clamp(1rem,1.8vw,1.5rem);
  min-width:0;
}
.hero__rail-h{
  font-family:var(--font-mono);
  font-size:.58rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--grey);
  margin-bottom:.4rem;
}
.hero__rail-list{ display:flex; flex-direction:column; }
.hero__rail-list li{
  display:flex; justify-content:center;
  border-bottom:1px solid var(--rule);
  padding:.38rem 0;
}
.hero__rail-list li span{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
  font-family:var(--font-mono);
  font-size:.58rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink);
  line-height:1;
  white-space:nowrap;
}

.hero__foot{
  display:flex; justify-content:space-between; align-items:baseline; gap:1rem;
  border-top:1px solid var(--rule);
  padding-top:.85rem;
  font-family:var(--font-mono);
  font-size:.62rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--grey);
}
.hero__foot p{ display:flex; flex-wrap:wrap; gap:.5rem; }
.hero__foot span{ color:var(--rule); }
.hero__foot-r{ text-align:right; }

/* ==========================================================================
   RUNNING HEADS
   ========================================================================== */
.rh{
  display:grid;
  grid-template-columns:3rem minmax(0,1fr) minmax(0,28ch);
  gap:clamp(.8rem,2vw,2rem);
  align-items:end;
  padding-bottom:1.1rem;
  border-bottom:1px solid var(--ink);
  margin-bottom:clamp(2.2rem,4.4vw,3.6rem);
}
.rh__n{
  display:block;
  font-family:var(--font-mono);
  font-size:.68rem; font-weight:500;
  letter-spacing:.16em; text-transform:uppercase;
  color:var(--blue);
  padding-bottom:.35rem;
}
.rh__t{
  font-family:var(--font-display);
  font-size:clamp(1.9rem,3.6vw,3rem);
  font-weight:500;
  line-height:1.02;
  letter-spacing:-.018em;
  color:var(--ink);
}
.rh__note{
  font-family:var(--font-mono);
  font-size:.76rem; line-height:1.5;
  color:var(--grey);
  text-align:right;
  max-width:30ch;
  justify-self:end;
  padding-bottom:.3rem;
}

/* ==========================================================================
   01 — SECTORS, AS CHAPTERS
   ========================================================================== */
.sect--chapters{
  padding-top:clamp(2.8rem,5vw,4.4rem);
  border-top:1px solid var(--rule);
}
.chapters{
  display:grid;
  grid-template-columns:minmax(0,.33fr) minmax(0,1fr);
  gap:clamp(2rem,4.5vw,4.5rem);
  align-items:start;
}

/* --- Fig. 01: the index rule --- */
.ir{
  position:sticky;
  top:108px;
  margin:0;
}
.ir svg{
  display:block;
  width:100%;
  max-width:300px;
  height:auto;
  overflow:visible;
}
.ir__spine{ stroke:var(--ink); stroke-width:1.1; }
.ir__end{ stroke:var(--rule); stroke-width:1.1; }
.ir__cap{ fill:var(--blue); }
.ir__b path{ stroke:var(--rule); stroke-width:1; }
.ir__b circle{ fill:var(--blue); }
.ir__b text{
  fill:var(--grey);
  font-family:var(--font-mono);
  font-size:8px;
  letter-spacing:1.05px;
}
.ir figcaption{
  margin-top:1.2rem;
  font-family:var(--font-mono);
  font-size:.62rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--grey);
}
.ir figcaption span{ color:var(--rule); }

/* hidden only when JS can draw it */
.js .ir__spine,
.js .ir__b path{ stroke-dasharray:100; stroke-dashoffset:100; }
.js .ir__b circle,
.js .ir__b text,
.js .ir__cap,
.js .ir__end{ opacity:0; }
.js .ir__spine{ transition:stroke-dashoffset 1.15s var(--ease); }
.js .ir__b path{ transition:stroke-dashoffset .5s var(--ease); transition-delay:calc(.4s + var(--i) * .11s); }
.js .ir__b circle{ transition:opacity .3s linear; transition-delay:calc(.75s + var(--i) * .11s); }
.js .ir__b text{ transition:opacity .45s linear; transition-delay:calc(.8s + var(--i) * .11s); }
.js .ir__cap{ transition:opacity .4s linear .15s; }
.js .ir__end{ transition:opacity .4s linear 1.35s; }
.ir.is-drawn .ir__spine,
.ir.is-drawn .ir__b path{ stroke-dashoffset:0; }
.ir.is-drawn .ir__b circle,
.ir.is-drawn .ir__b text,
.ir.is-drawn .ir__cap,
.ir.is-drawn .ir__end{ opacity:1; }

/* --- the chapter list --- */
.chapters__list{ min-width:0; }
.idx__legend{
  display:flex; justify-content:space-between;
  font-family:var(--font-mono);
  font-size:.58rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--grey);
  padding-bottom:.55rem;
}
.idx{ border-top:1px solid var(--ink); }
.idx > li{ border-bottom:1px solid var(--rule); }

.idx__row{
  display:flex; align-items:center; gap:.9rem;
  padding:clamp(.85rem,1.7vw,1.15rem) .15rem;
  cursor:pointer;
  list-style:none;
}
.idx__row::-webkit-details-marker{ display:none; }
.idx__row::marker{ content:""; }
.idx__row:focus-visible{ outline:2px solid var(--blue); outline-offset:-3px; }

.idx__n{
  flex:none; width:2.1rem;
  font-family:var(--font-mono);
  font-size:.63rem; letter-spacing:.1em;
  color:var(--grey);
  transition:color .2s;
}
.idx__t{
  font-family:var(--font-display);
  font-size:clamp(1.1rem,1.9vw,1.45rem);
  font-weight:500;
  line-height:1.15;
  letter-spacing:-.008em;
  color:var(--ink);
  transition:color .2s;
  overflow-wrap:anywhere;
}
.idx__dots{
  flex:1 1 auto;
  min-width:1.2rem;
  height:1px;
  align-self:center;
  background-image:repeating-linear-gradient(90deg, #bcb7a9 0 1px, transparent 1px 6px);
  transition:background-image .2s;
}
.idx__folio{
  flex:none;
  font-family:var(--font-mono);
  font-size:.65rem; letter-spacing:.1em;
  color:var(--grey);
  font-feature-settings:"tnum" 1;
  padding-left:.3rem;
}
.idx__sign{
  flex:none; position:relative;
  width:13px; height:13px;
  margin-left:.15rem;
}
.idx__sign::before,
.idx__sign::after{
  content:""; position:absolute; left:0; top:6px;
  width:13px; height:1px;
  background:var(--grey);
  transition:transform .28s var(--ease), background .2s;
}
.idx__sign::after{ transform:rotate(90deg); }

.idx__row:hover .idx__t,
.idx__row:hover .idx__n{ color:var(--blue); }
.idx__row:hover .idx__sign::before,
.idx__row:hover .idx__sign::after{ background:var(--blue); }
.idx__d[open] .idx__t,
.idx__d[open] .idx__n{ color:var(--blue); }
.idx__d[open] .idx__sign::before,
.idx__d[open] .idx__sign::after{ background:var(--blue); }
.idx__d[open] .idx__sign::after{ transform:rotate(0deg); }

.idx__body{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:1.1rem clamp(1.4rem,3vw,2.6rem);
  padding:0 0 1.4rem 2.95rem;
  animation:idxIn .32s var(--ease) both;
}
@keyframes idxIn{
  from{ opacity:0; transform:translateY(-5px); }
  to{ opacity:1; transform:none; }
}
.idx__desc{
  font-size:.9rem; line-height:1.65;
  color:var(--ink-mute);
  max-width:36ch;
}
.idx__lh{
  font-family:var(--font-mono);
  font-size:.56rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--grey);
  margin-bottom:.4rem;
}
.idx__see ul{ display:grid; gap:.28rem; justify-items:start; }
.idx__see a{
  font-size:.84rem;
  color:var(--blue);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 32%, transparent);
  padding-bottom:.1rem;
  transition:border-color .18s;
}
.idx__see a:hover{ border-color:var(--blue); }
.idx__go{
  grid-column:1 / -1;
  justify-self:start;
  font-family:var(--font-mono);
  font-size:.64rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:.25rem;
  transition:color .2s, border-color .2s;
}
.idx__go span{ display:inline-block; transition:transform .22s var(--ease); }
.idx__go:hover{ color:var(--blue); border-color:var(--blue); }
.idx__go:hover span{ transform:translateX(3px); }

.idx__foot{
  margin-top:1.4rem;
  font-family:var(--font-mono);
  font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
}
.idx__foot a{
  color:var(--blue);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 40%, transparent);
  padding-bottom:.2rem;
}
.idx__foot a:hover{ border-color:var(--blue); }

/* ==========================================================================
   02 — SERVICES
   ========================================================================== */
.sect--services{
  background:var(--paper-2);
  border-top:1px solid var(--rule);
}
.svc{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:clamp(2.2rem,5vw,4.6rem);
  align-items:start;
}
.svc__col{ min-width:0; }
.svc__intro{
  font-family:var(--font-display);
  font-size:clamp(1.15rem,1.9vw,1.42rem);
  line-height:1.42;
  color:var(--ink);
  max-width:40ch;
  margin-bottom:clamp(1.8rem,3.4vw,2.6rem);
}
.svc__list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  column-gap:clamp(1.2rem,2.6vw,2.4rem);
  border-top:1px solid var(--ink);
}
.svc__list li{ border-bottom:1px solid var(--rule); }
.svc__list a{
  display:flex; align-items:baseline; gap:.6rem;
  padding:.82rem 0;
}
.svc__n{
  flex:none;
  font-family:var(--font-mono);
  font-size:.58rem; letter-spacing:.08em;
  color:var(--grey);
  transition:color .2s;
}
.svc__t{
  font-size:.875rem; font-weight:400; line-height:1.35;
  color:var(--ink);
  transition:color .2s;
}
.svc__a{
  margin-left:auto;
  color:var(--grey);
  font-size:.85rem;
  transition:transform .22s var(--ease), color .2s;
}
.svc__list a:hover .svc__t,
.svc__list a:hover .svc__n,
.svc__list a:hover .svc__a{ color:var(--blue); }
.svc__list a:hover .svc__a{ transform:translateX(3px); }

.svc__more{
  margin-top:1.6rem;
  font-family:var(--font-mono);
  font-size:.67rem; letter-spacing:.14em; text-transform:uppercase;
}
.svc__more a{
  color:var(--blue);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 40%, transparent);
  padding-bottom:.22rem;
}
.svc__more a:hover{ border-color:var(--blue); }

/* --- Fig. 02: the section --- */
.plate{
  margin:0;
  background:var(--paper);
  border:1px solid var(--rule);
  padding:clamp(.9rem,1.8vw,1.4rem);
}
.plate__frame{ border-bottom:1px solid var(--rule); padding-bottom:.6rem; }
.plate svg{ display:block; width:100%; height:auto; }
.plate figcaption{
  margin-top:.8rem;
  font-family:var(--font-mono);
  font-size:.62rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--grey);
}
.plate figcaption span{ color:var(--rule); }

.bld path,
.bld circle{
  fill:none;
  stroke:var(--ink);
  stroke-width:1;
  vector-effect:non-scaling-stroke;
}
.bld .bld__hatch,
.bld .bld__dim{ stroke:var(--rule); }
.bld .bld__head{ fill:var(--ink); stroke:none; }
.bld__marks circle{
  fill:var(--paper);
  stroke:var(--blue);
  stroke-width:1;
  vector-effect:non-scaling-stroke;
}
.bld__marks text{
  fill:var(--blue);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.5px;
  text-anchor:middle;
}
.plate__keys{
  display:grid; gap:.45rem;
  margin-top:1rem;
}
.plate__keys li{
  display:grid; grid-template-columns:1.9rem minmax(0,1fr); gap:.4rem;
  align-items:baseline;
  font-size:.8rem; line-height:1.5;
  color:var(--ink-mute);
}
.plate__keys li > span{
  font-family:var(--font-mono);
  font-size:.62rem; letter-spacing:.08em;
  color:var(--blue);
}
.plate__keys b{ font-weight:500; color:var(--ink); }

/* ==========================================================================
   03 — PROJECTS
   ========================================================================== */
.sect--projects{ border-top:1px solid var(--rule); }
.proj{ min-width:0; }
.proj__legend,
.proj__row{
  display:grid;
  grid-template-columns:3rem minmax(0,1fr) 9.5rem 8.5rem;
  gap:1rem;
  align-items:baseline;
}
.proj__legend{
  font-family:var(--font-mono);
  font-size:.57rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--grey);
  padding-bottom:.55rem;
}
.proj__list{ border-top:1px solid var(--ink); }
.proj__row{
  padding:clamp(.85rem,1.7vw,1.2rem) .15rem;
  border-bottom:1px solid var(--rule);
  transition:background .2s;
}
.proj__n{
  font-family:var(--font-mono);
  font-size:.63rem; letter-spacing:.1em;
  color:var(--grey);
}
.proj__t{
  font-family:var(--font-display);
  font-size:clamp(1.05rem,1.9vw,1.4rem);
  font-weight:500;
  line-height:1.2;
  color:var(--ink);
  overflow-wrap:anywhere;
  transition:color .2s;
}
.proj__s,
.proj__l{
  font-family:var(--font-mono);
  font-size:.78rem; letter-spacing:.02em;
  color:var(--grey);
}
.proj__row:hover .proj__t{ color:var(--blue); }
.proj__row:hover .proj__n{ color:var(--blue); }

.proj__foot{
  display:flex; justify-content:space-between; align-items:baseline; gap:1.5rem;
  margin-top:1.2rem;
  font-family:var(--font-mono);
  font-size:.65rem; line-height:1.6;
  color:var(--grey);
}
.proj__foot p{ max-width:56ch; }
.proj__foot a{
  flex:none;
  font-size:.67rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--blue);
  border-bottom:1px solid color-mix(in srgb, var(--blue) 40%, transparent);
  padding-bottom:.2rem;
}
.proj__foot a:hover{ border-color:var(--blue); }

.plates{
  display:flex; flex-wrap:wrap;
  gap:clamp(1.4rem,3vw,2.4rem);
  margin-top:clamp(2.4rem,4.5vw,3.6rem);
  padding-top:clamp(1.6rem,3vw,2.4rem);
  border-top:1px solid var(--rule);
}
.plates__fig{
  margin:0;
  flex:1 1 260px;
  max-width:360px;
  min-width:0;
}
.plates__fig img{
  width:100%; height:auto;
  aspect-ratio:400 / 284;
  object-fit:cover;
  border:1px solid var(--rule);
  padding:6px;
  background:var(--paper);
  filter:saturate(.88) contrast(1.02);
}
.plates__fig figcaption{
  margin-top:.65rem;
  font-family:var(--font-mono);
  font-size:.64rem; line-height:1.5; letter-spacing:.03em;
  color:var(--grey);
}
.plates__fig figcaption span{ color:var(--rule); }

/* ==========================================================================
   04 — THE PRACTICE (the dark plate)
   ========================================================================== */
.practice{
  background:var(--ink);
  color:var(--paper);
  padding-block:clamp(3.6rem,7vw,6.4rem);
  border-top:1px solid var(--ink);
}
.practice__grid{
  display:grid;
  grid-template-columns:minmax(0,.27fr) minmax(0,1fr);
  gap:clamp(2rem,5vw,5rem);
  align-items:start;
}
.practice__margin{
  position:sticky; top:110px;
  border-left:1px solid rgba(246,244,238,.22);
  padding-left:1.2rem;
}
.practice__year{
  font-family:var(--font-display);
  font-size:clamp(2.8rem,5.6vw,4.4rem);
  font-weight:400;
  line-height:.9;
  letter-spacing:-.03em;
  color:var(--paper);
}
.practice__year-l{
  margin-top:.7rem;
  font-family:var(--font-mono);
  font-size:.66rem; line-height:1.7; letter-spacing:.18em; text-transform:uppercase;
  color:rgba(246,244,238,.5);
}
.practice__copy{ min-width:0; max-width:840px; }
.practice .rh__n{ color:var(--blue-lit); padding-bottom:0; margin-bottom:1rem; }
.practice__h2{
  font-family:var(--font-display);
  font-size:clamp(2rem,4.4vw,3.5rem);
  font-weight:500;
  line-height:1.02;
  letter-spacing:-.022em;
  color:var(--paper);
  padding-bottom:1.4rem;
  margin-bottom:clamp(1.4rem,3vw,2.2rem);
  border-bottom:1px solid rgba(246,244,238,.22);
}
.practice__text{
  column-gap:clamp(1.6rem,3.5vw,3rem);
  font-size:.96rem; line-height:1.78;
  color:rgba(246,244,238,.74);
}
.practice__text p + p{ margin-top:1em; }
@media (min-width:1100px){
  .practice__text{ column-count:2; column-rule:1px solid rgba(246,244,238,.14); }
}
.practice__drop::first-letter{
  float:left;
  font-family:var(--font-display);
  font-size:3.5em;
  line-height:.76;
  padding:.06em .09em 0 0;
  color:var(--blue-lit);
}
.practice__facts{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1.2rem 1.6rem;
  margin-top:clamp(2rem,4vw,3rem);
  padding-top:1.2rem;
  border-top:1px solid rgba(246,244,238,.22);
}
.practice__facts dt{
  font-family:var(--font-mono);
  font-size:.56rem; letter-spacing:.18em; text-transform:uppercase;
  color:rgba(246,244,238,.44);
  margin-bottom:.35rem;
}
.practice__facts dd{
  font-family:var(--font-display);
  font-size:1.02rem; line-height:1.35;
  color:rgba(246,244,238,.9);
}
.practice__more{
  margin-top:2.2rem;
  font-family:var(--font-mono);
  font-size:.67rem; letter-spacing:.14em; text-transform:uppercase;
}
.practice__more a{
  color:var(--paper);
  border-bottom:1px solid rgba(246,244,238,.4);
  padding-bottom:.25rem;
  transition:color .2s, border-color .2s;
}
.practice__more a span{ display:inline-block; transition:transform .22s var(--ease); }
.practice__more a:hover{ color:var(--blue-lit); border-color:var(--blue-lit); }
.practice__more a:hover span{ transform:translateX(3px); }

/* ==========================================================================
   05 — TESTIMONIALS
   ========================================================================== */
.sect--quotes{
  background:var(--paper-2);
  border-top:1px solid var(--rule);
}
.quotes{
  display:grid;
  grid-template-columns:minmax(0,1.22fr) minmax(0,.78fr);
  gap:clamp(2rem,4.5vw,4rem);
  align-items:start;
}
.quotes__lead{
  margin:0;
  border-top:2px solid var(--blue);
  padding-top:clamp(1.2rem,2.4vw,1.8rem);
}
.quotes__lead blockquote p{
  font-family:var(--font-display);
  font-size:clamp(1.2rem,2.1vw,1.6rem);
  line-height:1.42;
  letter-spacing:-.006em;
  color:var(--ink);
  text-wrap:pretty;
}
.quotes__side{ display:flex; flex-direction:column; gap:clamp(1.4rem,2.6vw,2rem); }
.quotes__side figure{
  margin:0;
  padding-top:1.2rem;
  border-top:1px solid var(--rule);
}
.quotes__side blockquote p{
  font-size:.9rem; line-height:1.72;
  color:var(--ink-mute);
}
.quotes figcaption{
  margin-top:1rem;
  font-family:var(--font-mono);
  font-size:.6rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--grey);
}
.quotes figcaption span{ color:var(--rule); }

/* ==========================================================================
   06 — CONTACT (the back cover)
   ========================================================================== */
.contact{
  background:var(--blue);
  color:var(--paper);
  padding-block:clamp(3.4rem,6.5vw,6rem);
}
.contact a{ color:var(--paper); }
.contact__head{
  display:grid;
  grid-template-columns:3rem minmax(0,1fr) minmax(0,28ch);
  gap:clamp(.8rem,2vw,2rem);
  align-items:end;
  border-bottom:1px solid rgba(246,244,238,.36);
  padding-bottom:1.1rem;
  margin-bottom:clamp(2rem,4vw,3.2rem);
}
.rh__n--light{ color:rgba(246,244,238,.62); }
.contact__h2{
  font-family:var(--font-display);
  font-size:clamp(1.9rem,3.6vw,3rem);
  font-weight:500;
  line-height:1.02;
  letter-spacing:-.018em;
}
.contact__note{
  font-family:var(--font-mono);
  font-size:.76rem; line-height:1.5;
  color:rgba(246,244,238,.68);
  text-align:right;
  max-width:30ch;
  justify-self:end;
  padding-bottom:.3rem;
}
.contact__grid{
  display:grid;
  grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);
  gap:clamp(2rem,5vw,4.5rem);
  align-items:start;
}
.contact__copy{ min-width:0; }
.contact__copy > p{
  max-width:34ch;
  font-size:.95rem; line-height:1.7;
  color:rgba(246,244,238,.82);
}
.contact__acts{
  display:flex; flex-wrap:wrap; align-items:center;
  gap:1rem 2rem;
  margin-top:1.8rem;
}
.contact__cta{
  display:inline-flex; align-items:center; gap:.55rem;
  font-family:var(--font-mono);
  font-size:.7rem; letter-spacing:.13em; text-transform:uppercase;
  border-bottom:1px solid rgba(246,244,238,.55);
  padding-bottom:.3rem;
  transition:border-color .2s;
}
.contact__cta span{ transition:transform .22s var(--ease); }
.contact__cta:hover{ border-color:var(--paper); }
.contact__cta:hover span{ transform:translateX(3px); }
.contact__cta--ghost{ border-bottom-color:rgba(246,244,238,.24); color:rgba(246,244,238,.72); }
.contact__addr{
  margin-top:clamp(2rem,4vw,2.8rem);
  font-family:var(--font-mono);
  font-size:.7rem; line-height:1.75;
  color:rgba(246,244,238,.62);
}
.contact__addr span{
  display:block;
  font-size:.56rem; letter-spacing:.18em; text-transform:uppercase;
  color:rgba(246,244,238,.44);
  margin-bottom:.3rem;
}

.contact__lines{ border-top:1px solid rgba(246,244,238,.36); }
.contact__lines li{
  display:flex; align-items:baseline; gap:1rem;
  padding:clamp(.9rem,1.8vw,1.25rem) 0;
  border-bottom:1px solid rgba(246,244,238,.26);
}
.cl__city{
  flex:none;
  width:8.6rem;
  display:flex; flex-direction:column; gap:.1rem;
  font-family:var(--font-mono);
  font-size:.66rem; letter-spacing:.14em; text-transform:uppercase;
  color:rgba(246,244,238,.9);
}
.cl__city em{
  font-style:normal;
  font-size:.56rem; letter-spacing:.12em;
  color:rgba(246,244,238,.45);
}
.cl__dots{
  flex:1 1 auto;
  align-self:center;
  height:1px;
  background-image:repeating-linear-gradient(90deg, rgba(246,244,238,.5) 0 1px, transparent 1px 6px);
}
.contact__lines a{
  font-family:var(--font-display);
  font-size:clamp(1.3rem,2.3vw,1.95rem);
  font-weight:500;
  line-height:1.1;
  font-variant-numeric:lining-nums tabular-nums;
  white-space:nowrap;
  transition:color .2s;
}
.contact__lines a:hover{ color:var(--paper-3); text-decoration:underline; text-underline-offset:.12em; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.foot{
  background:var(--ink);
  color:var(--paper);
  border-top:0;
  padding-block:clamp(2.8rem,5vw,4.2rem) 1.6rem;
}
.foot__top{ border-bottom-color:rgba(246,244,238,.16); }
.foot__brand img{
  width:190px; height:auto;
  opacity:.92;
}
.foot__brand p{
  margin-top:1.4rem;
  max-width:33ch;
  font-size:.84rem; line-height:1.7;
  color:rgba(246,244,238,.6);
}
.foot__social{
  display:flex; flex-wrap:wrap; gap:.5rem 1.2rem;
  margin-top:1.7rem;
}
.foot__social a{
  font-family:var(--font-mono);
  font-size:.62rem; letter-spacing:.15em; text-transform:uppercase;
  color:rgba(246,244,238,.62);
  border-bottom:1px solid transparent;
  padding-bottom:.2rem;
  transition:color .2s, border-color .2s;
}
.foot__social a:hover{ color:var(--paper); border-color:rgba(246,244,238,.4); }

.foot__h{ color:rgba(246,244,238,.52); }
.foot__nav a{ color:rgba(246,244,238,.76); }
.foot__nav a:hover{ color:var(--paper); }
.foot__tel-n{ display:inline-block; white-space:nowrap; }
.foot__addr{
  margin-top:1.1rem;
  font-family:var(--font-mono);
  font-size:.65rem; line-height:1.7;
  color:rgba(246,244,238,.42);
}
.foot__bottom{
  color:rgba(246,244,238,.55);
  align-items:baseline;
}
.foot__legal{ display:flex; flex-wrap:wrap; gap:.4rem 1.2rem; }
.foot__legal a{ transition:color .2s; }
.foot__legal a:hover{ color:rgba(246,244,238,.8); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:1180px){
  .hero__body{ grid-template-columns:minmax(0,1fr) 96px; }
  .hero__rail{ padding-left:1rem; }
  .proj__legend,
  .proj__row{ grid-template-columns:2.6rem minmax(0,1fr) 8.4rem 7.4rem; }
}

@media (max-width:1023px){
  .hero{ min-height:0; padding-top:1.2rem; }
  .hero__body{
    grid-template-columns:minmax(0,1fr);
    gap:2rem;
    padding-block:clamp(2rem,6vw,3rem);
  }
  .hero__rail{
    align-self:stretch;
    border-left:0;
    border-top:1px solid var(--rule);
    padding:1rem 0 0;
  }
  .hero__rail-h{ margin-bottom:.6rem; }
  .hero__rail-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:0 1.6rem;
  }
  .hero__rail-list li{
    justify-content:flex-start;
    padding:.5rem 0;
  }
  .hero__rail-list li span{
    writing-mode:horizontal-tb;
    transform:none;
    font-size:.68rem;
    letter-spacing:.13em;
  }
  .hero__foot{ font-size:.58rem; }

  .rh{
    grid-template-columns:2.4rem minmax(0,1fr);
    align-items:start;
    gap:.7rem 1rem;
  }
  .rh__n{ padding-top:.3rem; padding-bottom:0; }
  .rh__note{
    grid-column:2;
    justify-self:start;
    text-align:left;
    max-width:52ch;
    padding-bottom:0;
    font-size:.72rem;
  }
  .contact__head{
    grid-template-columns:2.4rem minmax(0,1fr);
    align-items:start;
    gap:.7rem 1rem;
  }
  .contact__note{
    grid-column:2;
    justify-self:start;
    text-align:left;
    max-width:52ch;
    padding-bottom:0;
    font-size:.72rem;
  }

  .chapters{ grid-template-columns:minmax(0,1fr); gap:1.6rem; }
  .ir{ display:none; }

  .svc{ grid-template-columns:minmax(0,1fr); gap:2.4rem; }
  .plate{ max-width:560px; }

  .proj__legend,
  .proj__row{ grid-template-columns:2.4rem minmax(0,1fr) 8rem; }
  .proj__legend span:last-child{ display:none; }
  .proj__l{ display:none; }

  .practice__grid{ grid-template-columns:minmax(0,1fr); gap:1.8rem; }
  .practice__margin{
    position:static;
    display:flex; align-items:baseline; gap:1rem;
    border-left:0; padding-left:0;
  }
  .practice__year{ font-size:2.6rem; }
  .practice__year-l{ margin:0; }

  .quotes{ grid-template-columns:minmax(0,1fr); gap:2.2rem; }
  .quotes__side{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:1.6rem;
  }

  .contact__grid{ grid-template-columns:minmax(0,1fr); gap:2.4rem; }
}

@media (max-width:760px){
  .hero__imprint{ font-size:.58rem; letter-spacing:.13em; }
  .hero__imprint-r{ display:none; }
  .hero__foot .hero__foot-r{ display:none; }
  .hero__rail-list li span{ font-size:.6rem; }

  .rh__t{ font-size:clamp(1.7rem,6.4vw,2.2rem); }

  .idx__row{ gap:.65rem; padding:.95rem .1rem; }
  .idx__n{ width:1.7rem; font-size:.58rem; }
  .idx__t{ flex:1 1 auto; font-size:1.1rem; }
  .idx__folio{ font-size:.58rem; }
  .idx__dots{ display:none; }
  .idx__body{
    grid-template-columns:minmax(0,1fr);
    padding:0 0 1.3rem 2.35rem;
  }
  .idx__legend{ font-size:.54rem; }

  .svc__list{ grid-template-columns:minmax(0,1fr); }
  .svc__intro{ font-size:1.1rem; }

  .proj__legend,
  .proj__row{ grid-template-columns:2rem minmax(0,1fr); gap:.15rem .8rem; }
  .proj__legend span:nth-child(3){ display:none; }
  .proj__s{
    grid-column:2;
    font-size:.68rem;
    color:var(--grey);
  }
  .proj__t{ font-size:1.08rem; }
  .proj__foot{ flex-direction:column; align-items:flex-start; gap:.8rem; }

  .practice__facts{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .practice__text{ font-size:.92rem; }
  .quotes__side{ grid-template-columns:minmax(0,1fr); }

  .contact__lines li{
    display:block;
    padding:1rem 0;
  }
  .cl__city{ width:auto; margin-bottom:.25rem; }
  .cl__dots{ display:none; }
  .contact__lines a{ font-size:clamp(1.35rem,7vw,1.75rem); }

  .foot__brand img{ width:170px; }
}

@media (max-width:400px){
  .idx__t{ font-size:1.02rem; }
  .hero__h1{ letter-spacing:-.015em; }
  .hero__rail-list li span{ font-size:.56rem; }
}

/* ==========================================================================
   MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  .js .ir__spine,
  .js .ir__b path{ stroke-dasharray:none; stroke-dashoffset:0; }
  .js .ir__b circle,
  .js .ir__b text,
  .js .ir__cap,
  .js .ir__end{ opacity:1; }
  .idx__body{ animation:none; }
  .pre__rule,
  .pre__tick{ stroke-dashoffset:0; animation:none; }
  .pre__dot{ opacity:1; animation:none; }
}