:root{
  --paper:#f2efe8;
  --ink:#171714;
  --muted:#66635d;
  --line:#c9c4b9;
  --accent:#7b1919;
  --clinical-red:#8e2924;
  --clinical-red-bright:#a23d33;
  --clinical-paper:#f5f0e8;
  --clinical-rule:#d8cec2;
  --panel:#e8e4db;
  --white:#faf8f3;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5}
a{color:inherit}
.notice{background:var(--ink);color:var(--paper);font-size:11px;letter-spacing:.16em;text-align:center;padding:9px 16px}
.site-header{min-height:76px;border-bottom:1px solid var(--ink);display:flex;align-items:center;justify-content:space-between;padding:0 4vw;position:sticky;top:0;background:rgba(242,239,232,.97);z-index:20}
.brand{display:flex;align-items:center;gap:15px;text-decoration:none}
.brand-mark{font-family:var(--serif);font-weight:700;border:1px solid var(--ink);padding:7px 9px;font-size:14px;letter-spacing:.04em}
.brand-name{text-transform:uppercase;font-size:12px;letter-spacing:.15em;font-weight:700}
nav{display:flex;gap:26px}
nav a{font-size:12px;text-transform:uppercase;letter-spacing:.12em;text-decoration:none;border-bottom:1px solid transparent;padding:4px 0}
nav a:hover{border-color:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid var(--ink);padding:8px 10px;text-transform:uppercase;font-size:11px;letter-spacing:.12em}
.hero{padding:clamp(52px,5.5vw,82px) 6vw clamp(26px,3vw,42px);border-bottom:1px solid var(--ink)}
.hero-kicker,.section-code{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700}
.hero h1{font-family:var(--serif);font-size:clamp(54px,6vw,100px);line-height:.84;letter-spacing:-.05em;margin:16px 0 20px;font-weight:400;max-width:1120px}
.hero-deck{font-family:var(--serif);font-size:clamp(19px,2vw,30px);max-width:780px;margin:0 0 6px}
.hero-rule{font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:700;margin:16px 0 0}
.registry{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);margin-top:32px}
.registry div{padding:16px 20px 0 0;border-right:1px solid var(--line);min-height:78px}
.registry div:last-child{border-right:0}
.registry span{display:block;font-family:var(--serif);font-size:40px;line-height:1}
.registry small{display:block;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-size:10px;margin-top:8px}
.intro-strip{padding:20px 6vw;border-bottom:1px solid var(--ink);background:var(--panel);font-size:13px}
.intro-strip p{max-width:1000px;margin:0}
.section{padding:7vw 6vw;border-bottom:1px solid var(--ink)}
.section-head{display:grid;grid-template-columns:1.1fr .9fr;gap:8vw;align-items:end;margin-bottom:55px}
.section-head h2{font-family:var(--serif);font-size:clamp(40px,5vw,76px);line-height:.95;letter-spacing:-.035em;font-weight:400;margin:14px 0 0}
.section-head>p{max-width:530px;color:var(--muted);font-size:15px;margin:0}
.index-tools{display:flex;justify-content:space-between;align-items:end;gap:30px;padding:18px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);margin-bottom:0}
.index-tools label{display:flex;flex-direction:column;gap:8px;min-width:min(420px,50vw)}
.index-tools label span{font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:700}
input[type=search]{font:inherit;background:transparent;border:0;border-bottom:1px solid var(--line);padding:8px 0 7px;outline:none;width:100%}
input[type=search]:focus{border-color:var(--accent)}
.legend{display:flex;gap:15px;flex-wrap:wrap;justify-content:flex-end;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.dot.research{background:#315d42}.dot.adjacent{background:#7e6f2f}.dot.field{background:#4e5678}.dot.case{background:var(--accent)}
.disorder{display:grid;grid-template-columns:130px 1fr 250px;gap:35px;padding:30px 0;border-bottom:1px solid var(--line)}
.disorder-code{font-family:var(--serif);font-size:23px}
.disorder-title{font-family:var(--serif);font-size:clamp(28px,3vw,44px);line-height:1.05;margin:0 0 8px;font-weight:400}
.disorder-summary{font-size:16px;max-width:720px;margin:0;color:#34332f}
.disorder-meta{text-align:right}
.badge{display:inline-block;border:1px solid var(--line);padding:5px 8px;font-size:9px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:9px}
.disorder-class{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
details{grid-column:2 / 4;margin-top:-15px}
summary{cursor:pointer;text-transform:uppercase;font-size:10px;letter-spacing:.12em;font-weight:700;color:var(--accent);padding:10px 0}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;background:var(--white);border:1px solid var(--line);padding:25px}
.detail-grid h4{font-size:10px;text-transform:uppercase;letter-spacing:.12em;margin:0 0 8px}
.detail-grid p,.detail-grid li{font-size:14px;color:#3b3934}
.detail-grid ul{margin:0;padding-left:18px}
.evidence-link{display:inline-block;margin-top:8px;font-size:12px}.evidence-link+.evidence-link{margin-left:16px}
.empty{padding:40px 0;font-family:var(--serif);font-size:24px}
.index-toggle{
  width:100%;
  appearance:none;
  border:0;
  border-top:1px solid var(--ink);
  border-bottom:1px solid var(--ink);
  background:transparent;
  color:var(--ink);
  display:grid;
  grid-template-columns:1fr auto;
  gap:30px;
  align-items:center;
  padding:24px 0;
  text-align:left;
  cursor:pointer;
}
.index-toggle:hover,.index-toggle:focus-visible{background:rgba(250,248,243,.5);outline:none}
.index-toggle:focus-visible{box-shadow:inset 0 0 0 2px var(--accent)}
.index-toggle-copy{display:flex;flex-direction:column;gap:6px}
.index-toggle-kicker{font-size:10px;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:var(--accent)}
.index-toggle-label{font-family:var(--serif);font-size:clamp(28px,3vw,44px);line-height:1;font-weight:400;letter-spacing:-.02em}
.index-toggle-meta{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.index-toggle-plus{
  width:72px;
  height:72px;
  border:1px solid var(--ink);
  display:grid;
  place-items:center;
  font-family:var(--serif);
  font-size:58px;
  font-weight:400;
  line-height:1;
  transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.index-toggle:hover .index-toggle-plus,.index-toggle:focus-visible .index-toggle-plus{color:var(--accent);border-color:var(--accent)}
.index-toggle[aria-expanded="true"] .index-toggle-plus{transform:rotate(45deg);color:var(--accent);border-color:var(--accent)}
.index-content{padding-top:24px}
.index-content:not([hidden]){animation:index-reveal .28s ease both}
@keyframes index-reveal{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.load-more{
  width:100%;
  appearance:none;
  border:0;
  border-bottom:1px solid var(--ink);
  background:transparent;
  color:var(--ink);
  display:flex;
  justify-content:center;
  align-items:center;
  gap:12px;
  padding:22px 16px;
  cursor:pointer;
  text-transform:uppercase;
  font-size:10px;
  font-weight:700;
  letter-spacing:.14em;
}
.load-more:hover,.load-more:focus-visible{background:var(--ink);color:var(--paper);outline:none}
.load-more-plus{font-family:var(--serif);font-size:30px;font-weight:400;line-height:.8}
.standards{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.standards article{padding:28px 25px 35px 0;border-right:1px solid var(--line);margin-right:25px}
.standards article:last-child{border-right:0;margin-right:0}
.standards span{font-family:var(--serif);font-size:28px;color:var(--accent)}
.standards h3{font-family:var(--serif);font-size:28px;font-weight:400;margin:25px 0 10px}
.standards p{font-size:14px;color:var(--muted)}
.clinical-warning{margin-top:40px;display:grid;grid-template-columns:250px 1fr;gap:30px;background:var(--ink);color:var(--paper);padding:26px 30px}
.clinical-warning strong{text-transform:uppercase;font-size:11px;letter-spacing:.13em}
.clinical-warning p{margin:0;font-family:var(--serif);font-size:18px}
.case-section{background:var(--ink);color:var(--paper)}
.case-card{border:1px solid #6e6a62;padding:4vw}
.case-meta{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.15em;color:#c9c4b9}
.case-card h2{font-family:var(--serif);font-size:clamp(44px,6vw,88px);line-height:.95;font-weight:400;letter-spacing:-.035em;margin:35px 0 20px;max-width:950px}
.case-lede{font-family:var(--serif);font-size:22px;max-width:800px;color:#dfdbd2}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;border-top:1px solid #6e6a62;margin-top:45px;padding-top:30px}
.case-grid h3{font-size:10px;text-transform:uppercase;letter-spacing:.13em;color:#b6b1a8}
.case-grid p{font-size:14px;color:#e0ddd6}
.text-link{display:inline-block;margin-top:30px;color:var(--paper);text-transform:uppercase;letter-spacing:.12em;font-size:10px}
.institute-section{background:#000;color:var(--paper)}
.institute-section .section-code{color:var(--accent)}
.institute-section .section-head>p{color:#d5d1c9}
.institute-section .departments{border-top-color:#77736c}
.institute-section .departments span{border-bottom-color:#55514b}
/* Founding incident: strong editorial invitation within The Institute, not a competing hero. */
.institute-origin-teaser{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(190px, .27fr);
  background:var(--paper);color:var(--ink);
  border:1px solid #bdb6a9;margin:0 0 clamp(42px,5vw,68px);
  overflow:hidden;
}
.institute-origin-main{padding:clamp(30px,4.5vw,72px)}
.institute-origin-kicker,.institute-origin-side-label{
  display:block;font:700 10px/1.5 var(--sans);
  letter-spacing:.17em;text-transform:uppercase;
}
.institute-origin-kicker{color:var(--accent)}
.institute-origin-main h3{
  font:400 clamp(37px,4.15vw,73px)/1.02 var(--serif);
  letter-spacing:-.043em;margin:clamp(20px,2.5vw,34px) 0 clamp(30px,4vw,54px);
}
.institute-origin-main h3 em{font-style:normal;color:var(--accent)}
.institute-origin-link{
  display:inline-flex;gap:19px;align-items:center;justify-content:space-between;
  padding:12px 0;border-bottom:1px solid currentColor;
  text-decoration:none;color:var(--ink);
  font:700 11px/1.3 var(--sans);text-transform:uppercase;letter-spacing:.13em;
  transition:color .18s ease,gap .18s ease;
}
.institute-origin-link:hover,.institute-origin-link:focus-visible{color:var(--accent);gap:28px}
.institute-origin-link:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.institute-origin-side{
  display:flex;flex-direction:column;justify-content:space-between;
  min-width:0;padding:clamp(26px,3vw,45px);
  background:#1b1a17;color:var(--paper);
}
.institute-origin-side-label{color:#c5bfb3}
.institute-origin-number{display:flex;gap:12px;align-items:baseline;margin:28px 0 34px}
.institute-origin-number strong{font:400 clamp(84px,10vw,166px)/.85 var(--serif);letter-spacing:-.085em}
.institute-origin-number>span{font:700 12px/1 var(--sans);letter-spacing:.12em}
.institute-origin-side p{
  display:flex;flex-direction:column;gap:8px;margin:0;
  border-top:1px solid #6b675f;padding-top:23px;
  font:400 25px/1.2 var(--serif);
}
.institute-origin-side p span{
  font:700 10px/1.3 var(--sans);letter-spacing:.14em;
  color:#c5bfb3;
}
@media(max-width:850px){
  .institute-origin-teaser{grid-template-columns:1fr}
  .institute-origin-side{flex-direction:row;align-items:center;gap:20px}
  .institute-origin-number{margin:0}
  .institute-origin-number strong{font-size:76px}
  .institute-origin-side p{border-top:0;padding-top:0;border-left:1px solid #6b675f;padding-left:24px}
}
@media(max-width:500px){
  .institute-origin-main h3{font-size:clamp(32px,8.6vw,49px)}
  .institute-origin-side{padding:22px;gap:14px}
  .institute-origin-number strong{font-size:62px}
  .institute-origin-side-label{max-width:93px}
  .institute-origin-side p{font-size:21px;padding-left:13px}
}
@media(prefers-reduced-motion:reduce){.institute-origin-link{transition:none}}

.institute-copy{display:grid;grid-template-columns:1fr 1fr;gap:8vw;font-family:var(--serif);font-size:24px;line-height:1.35;max-width:1200px}
.departments{margin-top:55px;border-top:1px solid var(--ink)}
.departments span{display:block;border-bottom:1px solid var(--line);padding:14px 0;text-transform:uppercase;letter-spacing:.11em;font-size:11px}
footer{padding:35px 4vw;display:grid;grid-template-columns:1.2fr 1fr auto;gap:30px;align-items:end;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
footer div{display:flex;flex-direction:column;gap:5px}
footer p{margin:0;color:var(--muted)}
@media(max-width:850px){
  .site-header{padding:15px 20px;min-height:64px;align-items:flex-start;flex-wrap:wrap}
  .brand-name{display:none}
  .nav-toggle{display:block}
  nav{display:none;width:100%;flex-direction:column;gap:0;padding-top:15px}
  nav.open{display:flex}
  nav a{padding:12px 0;border-top:1px solid var(--line)}
  .hero{padding:44px 20px 26px}
  .hero h1{font-size:clamp(50px,15vw,76px);margin-top:14px;margin-bottom:18px}
  .hero-deck{font-size:clamp(18px,5vw,24px)}
  .hero-rule{margin-top:14px}
  .registry{grid-template-columns:1fr 1fr;margin-top:26px}
  .registry div{min-height:70px;padding-top:14px}
  .registry span{font-size:36px}
  .registry div:nth-child(2){border-right:0}
  .intro-strip,.section{padding-left:20px;padding-right:20px}
  .section{padding-top:70px;padding-bottom:70px}
  .section-head{grid-template-columns:1fr;gap:25px}
  .index-toggle{gap:18px;padding:20px 0}
  .index-toggle-plus{width:58px;height:58px;font-size:46px}
  .index-toggle-label{font-size:30px}
  .index-content{padding-top:18px}
  .index-tools{align-items:stretch;flex-direction:column}
  .index-tools label{min-width:100%}
  .legend{justify-content:flex-start}
  .disorder{grid-template-columns:80px 1fr;gap:20px}
  .disorder-meta{grid-column:2;text-align:left}
  details{grid-column:1 / 3;margin-top:0}
  .detail-grid{grid-template-columns:1fr}
  .standards{grid-template-columns:1fr}
  .standards article{border-right:0;border-bottom:1px solid var(--line);margin-right:0}
  .standards article:last-child{border-bottom:0}
  .clinical-warning{grid-template-columns:1fr}
  .case-card{padding:30px 22px}
  .case-grid{grid-template-columns:1fr}
  .institute-copy{grid-template-columns:1fr;font-size:21px}
  footer{grid-template-columns:1fr;gap:15px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.index-content:not([hidden]){animation:none}.index-toggle-plus{transition:none}}


/* ALSAID NETWORK STANDARD */
.portfolio-rights {
    margin: 0;
    padding: .9rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,.08);
    color: rgba(244,243,239,.38);
    font-size: .72rem;
    line-height: 1.5;
    text-align: center;
}
.alsaid-network {
    margin: 0;
    padding: 1rem 1.5rem 1.15rem;
    border-top: 1px solid rgba(255,255,255,.10);
    background: #06111b;
    color: rgba(244,243,239,.46);
    font-size: .72rem;
    line-height: 1.5;
    letter-spacing: .03em;
    text-align: center;
}
.alsaid-network a { color: rgba(244,243,239,.72); text-decoration: none; transition: color .2s ease; }
.alsaid-network a:hover,
.alsaid-network a:focus-visible { color: #f4f3ef; }

/* Canonical I4MD logo */
.brand{
  display:inline-block!important;
  width:260px;
  height:58px;
  flex:0 0 auto;
  background:url('/i4md-logo-transparent.svg?v=20261017-1') left center/contain no-repeat!important;
  font-size:0!important;
  line-height:0!important;
  text-decoration:none;
}
.brand > *{display:none!important}
@media(max-width:640px){
  .brand{width:210px;height:50px}
}

/* The actual transparent logo no longer needs multiply blending. */
.brand{mix-blend-mode:normal}

/* Allow long clinical terms to wrap inside narrow grid tracks. */
.disorder>div{min-width:0}.disorder-title{overflow-wrap:anywhere}

/* PORTFOLIO HEADER LOGO STANDARD v1 — 2026-10-07 */
:root{
  --portfolio-header-height:84px;
  --portfolio-header-height-mobile:68px;
  --portfolio-logo-box-width:210px;
  --portfolio-logo-box-height:70px;
  --portfolio-logo-box-width-mobile:168px;
  --portfolio-logo-box-height-mobile:56px;
}
.site-header{min-height:var(--portfolio-header-height)}
.site-header .brand{
  width:var(--portfolio-logo-box-width)!important;
  height:var(--portfolio-logo-box-height)!important;
  flex:0 0 var(--portfolio-logo-box-width);
  background-position:left center!important;
  /* Preserve the full right-hand letter while lifting fine detail in the emblem. */
  background-size:105% auto!important;
  background-repeat:no-repeat!important;
}
@media(max-width:850px){
  .site-header{
    min-height:var(--portfolio-header-height-mobile);
    padding:6px 20px;
    align-items:center;
  }
  .site-header .brand{
    width:var(--portfolio-logo-box-width-mobile)!important;
    height:var(--portfolio-logo-box-height-mobile)!important;
    flex-basis:var(--portfolio-logo-box-width-mobile);
  }
}
/* END PORTFOLIO HEADER LOGO STANDARD v1 */

/* Canonical HTML index: remains usable without JavaScript. */
.static-diagnostic-index{margin-top:1.2rem;border-top:1px solid currentColor;padding-top:1rem}
.static-diagnostic-index summary{cursor:pointer;font-weight:600}
.static-diagnostic-list{list-style:none;padding:0;margin:1rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:.65rem 1.5rem}
.static-diagnostic-list li{display:grid;grid-template-columns:auto 1fr;gap:.2rem .75rem;padding:.55rem 0;border-bottom:1px solid rgba(127,127,127,.2)}
.static-code{font-variant-numeric:tabular-nums;font-weight:700}
.static-title{min-width:0}
.static-evidence{grid-column:2;font-size:.8em;opacity:.7}
.static-diagnostic-index[hidden]{display:none}


/* I4MD symptom-first navigation: editorial directory, not clinical taxonomy. */
.i4md-icon-sprite{position:absolute;width:0;height:0;overflow:hidden}
.i4md-arrow{display:block;width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.hero-discover .i4md-arrow{width:19px;height:19px}
.symptom-gate-top .i4md-arrow{width:27px;height:27px;color:var(--accent)}
.symptom-gate-top{align-items:center}
.reset-domain:not([hidden]){display:inline-flex;align-items:center;gap:9px}
.reset-domain .i4md-arrow{width:15px;height:15px}
.hero-discover{display:inline-flex;align-items:center;gap:34px;margin-top:26px;padding:13px 0;border-bottom:1px solid var(--accent);font-size:12px;font-weight:700;text-decoration:none;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}
.hero-discover:hover{gap:42px}
.symptoms-section{background:var(--white)}
.symptoms-head{max-width:950px;margin-bottom:44px}
.symptoms-head h2{font-family:var(--serif);font-size:clamp(58px,7vw,110px);line-height:.92;letter-spacing:-.05em;font-weight:400;margin:14px 0 23px}
.symptoms-head p{font-family:var(--serif);font-size:clamp(18px,2.3vw,29px);margin:0;color:var(--muted)}
.symptom-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.symptom-gate{min-height:220px;display:flex;flex-direction:column;padding:27px 30px 21px;text-decoration:none;background:var(--paper);border:1px solid transparent;transition:background .18s ease,border-color .18s ease,transform .18s ease}
.symptom-gate:hover,.symptom-gate:focus-visible,.symptom-gate.is-selected{border-color:var(--accent);background:#f9f6ef;outline:none}
.symptom-gate:hover{transform:translateY(-2px)}
.symptom-gate-top,.symptom-gate-foot{display:flex;justify-content:space-between;gap:12px;align-items:baseline;font-size:10px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}

.symptom-gate strong{font-family:var(--serif);font-weight:400;font-size:clamp(32px,3.4vw,56px);letter-spacing:-.045em;line-height:1.05;margin:22px 0 9px}
.symptom-gate-desc{font-size:14px;color:#514c46}
.symptom-gate-foot{margin-top:auto;padding-top:28px}
.symptom-count{color:var(--accent);font-weight:700}
.symptom-subject{text-align:right;letter-spacing:.02em;text-transform:none}
.symptoms-footnote{margin:23px 0 0;font-size:12px;color:var(--muted)}
.results-context{display:flex;justify-content:space-between;gap:28px;align-items:end;padding:20px 0 26px;border-bottom:1px solid var(--line)}
.results-context h3{font-family:var(--serif);font-size:clamp(30px,3.4vw,50px);font-weight:400;letter-spacing:-.03em;line-height:1;margin:12px 0}
.results-context p{color:var(--muted);font-size:13px;margin:0}
.reset-domain{cursor:pointer;border:0;border-bottom:1px solid var(--accent);background:none;color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.1em;white-space:nowrap;padding:8px 0}
#case-file-results{scroll-margin-top:110px}
@media(max-width:850px){.symptom-directory{grid-template-columns:1fr}.symptom-gate{min-height:185px;padding:24px}.symptom-gate strong{font-size:43px}.symptom-gate-foot{padding-top:18px}.results-context{align-items:start;flex-direction:column;gap:15px}.hero-discover{margin-top:20px}}
@media(prefers-reduced-motion:reduce){.symptom-gate,.hero-discover{transition:none}.symptom-gate:hover{transform:none}}


/* I4MD editorial case-file presentation / stage 3+4 */
.index-section{background:var(--paper)}
.disorder-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding-top:22px}
.disorder-list .disorder{display:flex;flex-direction:column;gap:0;min-width:0;min-height:338px;padding:31px 32px 0;border:1px solid var(--line);background:var(--white);color:var(--ink);transition:border-color .16s ease}
.disorder-list .disorder:hover{border-color:#89837a}
.disorder-list .disorder.is-featured{grid-column:1/-1;min-height:390px;padding:44px 48px 0;background:var(--ink);color:var(--paper);border-color:var(--ink)}
.case-entry-top,.case-entry-foot{display:flex;justify-content:space-between;gap:18px;align-items:center}
.case-entry-top{font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.case-entry-code{font-weight:700;letter-spacing:.16em;color:var(--accent)}
.is-featured .case-entry-code{color:#d8a6a0}
.case-entry-evidence{font-size:10px;letter-spacing:.08em;color:var(--muted);text-align:right}
.is-featured .case-entry-evidence{color:#bdb8af}
.case-entry-evidence .dot{vertical-align:middle;margin-top:-1px}
.case-entry-core{padding:38px 0 30px;max-width:820px;flex:1}
.case-entry-core .disorder-title{font-family:var(--serif);font-size:clamp(30px,3.4vw,49px);line-height:1.01;letter-spacing:-.045em;font-weight:400;margin:0 0 17px}
.is-featured .case-entry-core{padding:55px 0 55px}
.is-featured .case-entry-core .disorder-title{font-size:clamp(42px,5.4vw,77px);max-width:800px}
.case-entry-core .disorder-summary{font-family:var(--serif);font-size:clamp(17px,1.6vw,22px);max-width:690px;line-height:1.35;color:#524e48;margin:0}
.is-featured .case-entry-core .disorder-summary{color:#ddd6cc;font-size:clamp(20px,2.1vw,29px)}
.case-entry-foot{gap:12px;padding:0 0 19px;color:var(--muted);font-size:10px;letter-spacing:.04em}
.is-featured .case-entry-foot{color:#c8beb5}
.case-entry-foot span:last-child{text-align:right}
.disorder-list .disorder .case-details{display:block;grid-column:auto;margin:0 -32px;border-top:1px solid var(--line)}
.disorder-list .disorder.is-featured .case-details{margin:0 -48px;border-color:#625d58}
.case-details summary{display:flex;justify-content:space-between;align-items:center;list-style:none;padding:17px 32px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--accent);cursor:pointer}
.case-details summary::-webkit-details-marker{display:none}
.case-details summary span{font-family:var(--serif);font-size:21px;line-height:.7;transition:transform .15s ease}
.case-details[open] summary span{transform:rotate(90deg)}
.is-featured .case-details summary{padding-left:48px;padding-right:48px;color:#e5aaa4}
.case-details summary:hover{background:rgba(127,127,127,.06)}
.case-chapters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:33px 44px;padding:34px 32px 43px;border-top:1px solid var(--line);background:#f3f0e9;color:var(--ink)}
.is-featured .case-chapters{padding:39px 48px 49px;border-color:#625d58;background:#262522;color:var(--paper)}
.case-chapter{min-width:0}
.case-chapter-no{font-size:10px;letter-spacing:.16em;color:var(--accent);font-weight:700}
.is-featured .case-chapter-no{color:#d8a6a0}
.case-chapter h4{font-family:var(--serif);font-size:25px;line-height:1.12;font-weight:400;letter-spacing:-.02em;margin:10px 0 13px}
.case-chapter p,.case-chapter li{font-size:14px;line-height:1.6;color:inherit;margin:0}
.case-chapter li+li{margin-top:7px}
.case-chapter ul{margin:0;padding-left:18px}
.case-chapter-links{display:flex;gap:10px 22px;flex-wrap:wrap;margin-top:16px}
.case-source-link{font-size:12px;color:inherit;text-decoration:underline;text-underline-offset:4px}
@media(max-width:850px){
  .disorder-list{grid-template-columns:1fr;gap:12px}
  .disorder-list .disorder,.disorder-list .disorder.is-featured{grid-column:1;min-height:0;padding:24px 23px 0}
  .case-entry-core,.is-featured .case-entry-core{padding:30px 0 40px}
  .case-entry-core .disorder-title,.is-featured .case-entry-core .disorder-title{font-size:clamp(34px,9vw,53px)}
  .disorder-list .disorder .case-details,.disorder-list .disorder.is-featured .case-details{margin:0 -23px}
  .case-details summary,.is-featured .case-details summary{padding:18px 23px}
  .case-chapters,.is-featured .case-chapters{grid-template-columns:1fr;padding:29px 23px 36px;gap:31px}
  .case-entry-top,.case-entry-foot{align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){.disorder-list .disorder,.case-details summary span{transition:none}}


/* Variants are retained within their primary diagnosis, not shown as separate cases. */
.case-variant-chapter{grid-column:1/-1;padding-top:14px;border-top:1px solid var(--line)}
.is-featured .case-variant-chapter{border-color:#625d58}
.case-variant-list{display:grid;gap:14px;margin-top:15px}
.case-variant-entry{padding-left:15px;border-left:2px solid var(--accent)}
.case-variant-entry strong{font-size:13px;font-weight:700;letter-spacing:.01em}
.case-variant-entry p{margin-top:6px;font-size:13px}

/* Explicitly constructed case illustrations are not incident evidence. */
.case-illustration{grid-column:1/-1;border-top:1px solid rgba(80,65,56,.24);padding-top:22px}
.case-illustration-disclaimer{font-size:12px!important;opacity:.75;margin-bottom:16px!important}
.case-example-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.case-example,.case-non-example{min-width:0;padding:20px 22px;border:1px solid rgba(80,65,56,.23);background:rgba(255,255,255,.28)}
.case-example strong,.case-non-example strong{display:block;color:var(--accent);font-size:11px;letter-spacing:.07em;text-transform:uppercase;margin-bottom:9px}
.case-example-pair p{overflow-wrap:anywhere}
.is-featured .case-example,.is-featured .case-non-example{border-color:rgba(255,255,255,.23);background:rgba(255,255,255,.035)}
@media(max-width:680px){.case-example-pair{grid-template-columns:1fr}.case-example,.case-non-example{padding:16px}}

/* I4MD founding monument and floating registry plate.
   The transparent master remains untouched. The opaque plate is deliberately
   in the foreground and intersects only the lower monument, not the copy. */
.hero{
  --monument-width:min(42vw,610px);
  position:relative;
  isolation:isolate;
  display:flex;
  flex-direction:column;
  overflow:visible;
  min-height:calc(var(--monument-width)*1.33334 + 30px);
  padding-top:clamp(77px,7.8vw,110px);
  padding-bottom:20px;
}
.hero-engraving{
  position:absolute;
  z-index:2;
  top:10px;
  right:3vw;
  width:var(--monument-width);
  margin:0;
  pointer-events:none;
  user-select:none;
}
.hero-engraving img{display:block;width:100%;height:auto}
.hero-kicker,.hero h1,.hero-deck,.hero-rule,.hero-discover{position:relative;z-index:3}
.hero h1{font-size:clamp(55px,5.25vw,80px);max-width:82%;line-height:.89;margin:12px 0 14px}
.hero-deck{max-width:min(52vw,670px);margin-bottom:3px}
.hero-rule{margin-top:11px}
.hero-discover{align-self:flex-start;margin-top:19px}

/* Wide institutional plaque: its dark registry tab and fine dividers
   provide the foreground edge from which the anatomical monument rises. */
.hero .registry{
  position:absolute;
  z-index:5;
  right:3vw;
  bottom:clamp(22px,2.6vw,40px);
  width:min(72vw,980px);
  margin:0;
  display:grid;
  grid-template-columns:minmax(160px,.95fr) repeat(4,minmax(0,1fr));
  align-items:stretch;
  border:1px solid #25231f;
  background:#f0ebe2;
  box-shadow:0 9px 24px rgba(24,20,15,.10);
}
.hero .registry>div{
  min-width:0;
  min-height:124px;
  padding:20px 18px 16px;
  border-right:1px solid #c7beb0;
}
.hero .registry>div:last-child{border-right:0}
.hero .registry .registry-plaque-heading{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:#25231f;
  color:#f5f0e7;
  padding:17px 18px 17px;
  border-color:#25231f;
}
.registry-plaque-heading .registry-plaque-overline{
  font:700 10px/1.3 var(--sans);
  color:#d8aea3;
  letter-spacing:.17em;
}
.hero .registry .registry-plaque-heading strong{
  font:400 clamp(21px,2vw,27px)/.96 var(--serif);
  letter-spacing:-.025em;
}
.hero .registry .registry-plaque-heading small{
  margin:0;
  color:#beb9b0;
  text-transform:uppercase;
  font-size:10px;
  letter-spacing:.08em;
}
.hero .registry .registry-stat{
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:10px;
}
.hero .registry .registry-stat span{
  font:400 clamp(34px,3.35vw,49px)/.9 var(--serif);
  letter-spacing:-.045em;
  font-variant-numeric:lining-nums tabular-nums;
}
.hero .registry .registry-stat small{
  margin:0;
  font-size:10px;
  line-height:1.4;
  letter-spacing:.08em;
  font-weight:700;
  color:#605a50;
}
@media(min-width:851px) and (max-width:1150px){
  .hero{
    min-height:calc(var(--monument-width)*1.33334 + 82px);
    padding-top:clamp(70px,7.5vw,88px);
  }
  .hero h1{font-size:clamp(50px,5.25vw,62px);max-width:80%}
  .hero-deck{max-width:49%}
  .hero .registry{
    width:min(70vw,720px);
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
  .hero .registry .registry-plaque-heading{
    grid-column:1/-1;
    min-height:35px;
    flex-direction:row;
    align-items:center;
    gap:16px;
    padding:9px 13px;
    border-right:0;
  }
  .hero .registry .registry-plaque-heading strong{font-size:16px;line-height:1}
  .hero .registry .registry-plaque-heading strong br{display:none}
  .hero .registry .registry-plaque-heading small{margin-left:auto}
  .hero .registry .registry-stat{
    min-height:94px;
    padding:15px 12px 12px;
    gap:10px;
  }
  .hero .registry .registry-stat span{font-size:clamp(34px,4vw,46px)}
  .hero .registry .registry-stat small{font-size:10px}
}
@media(max-width:850px){
  .hero{--monument-width:min(100%,520px);min-height:0;padding-top:32px;overflow:visible}
  .hero-kicker{order:1}
  .hero h1{order:2;max-width:100%;font-size:clamp(43px,12vw,70px);line-height:.94;margin:10px 0 13px}
  .hero-deck{order:3;max-width:100%}
  .hero-rule{order:4;margin-top:10px}
  .hero-discover{order:5;align-self:flex-start;margin-top:16px}
  .hero-engraving{
    order:6;
    position:relative;
    right:auto;
    top:auto;
    width:var(--monument-width);
    align-self:center;
    margin:16px 0 -28px;
  }
  .hero .registry{
    order:7;
    position:relative;
    right:auto;
    bottom:auto;
    width:min(100%,570px);
    grid-template-columns:repeat(2,minmax(0,1fr));
    margin:-44px auto 0;
  }
  .hero .registry .registry-plaque-heading{
    grid-column:1/-1;
    min-height:54px;
    padding:11px 17px;
    flex-direction:row;
    align-items:center;
    gap:12px;
    border-right:0;
  }
  .hero .registry .registry-plaque-heading strong{font-size:23px;line-height:1}
  .hero .registry .registry-plaque-heading strong br{display:none}
  .hero .registry .registry-plaque-heading small{margin-left:auto}
  .hero .registry .registry-stat{
    min-height:93px;
    padding:17px 17px 15px;
    gap:10px;
  }
  .hero .registry .registry-stat:nth-child(3){border-right:0}
  .hero .registry .registry-stat span{font-size:clamp(34px,8vw,44px)}
  .hero .registry .registry-stat small{font-size:9px}
  .hero .registry .registry-stat:nth-child(n+4){border-top:1px solid #c7beb0}
}
@media(max-width:400px){
  .hero .registry .registry-plaque-heading{gap:7px;padding-inline:12px}
  .hero .registry .registry-plaque-heading strong{font-size:19px}
  .hero .registry .registry-plaque-heading small{font-size:9px}
}

/* Keep the header visually seamless over the monument at every scroll position
   and while the navigation menu is open. */
.site-header{
  background:transparent;
  border:0;
  box-shadow:none;
}
.site-header .nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  gap:13px;
  min-height:42px;
  padding:9px 12px;
  border:1px solid rgba(32,30,26,.62);
  background:rgba(242,239,232,.95);
  color:var(--ink);
  cursor:pointer;
  font:700 10px/1 var(--sans);
  letter-spacing:.14em;
  text-transform:uppercase;
  position:relative;
  z-index:2;
}
.site-header .nav-toggle:hover,
.site-header .nav-toggle[aria-expanded="true"]{
  border-color:var(--accent);
  color:var(--accent);
}
.site-header .nav-toggle:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.nav-toggle-lines{display:flex;flex-direction:column;justify-content:center;gap:4px;width:17px}
.nav-toggle-lines i{display:block;width:17px;height:1.5px;background:currentColor}
.site-header #site-nav{
  display:none;
  position:absolute;
  top:calc(100% - 1px);
  right:4vw;
  width:min(300px,calc(100vw - 40px));
  margin:0;
  padding:9px 20px 15px;
  border:1px solid #292722;
  background:#f2efe8;
  box-shadow:0 14px 25px rgba(25,22,18,.14);
  flex-direction:column;
  gap:0;
}
.site-header #site-nav.open{display:flex}
.site-header #site-nav a{
  display:block;
  padding:15px 2px;
  border-top:1px solid #c9c4b9;
  border-bottom:0;
  color:var(--ink);
  font-size:11px;
  line-height:1.3;
}
.site-header #site-nav a:first-child{border-top:0}
.site-header #site-nav a:hover,
.site-header #site-nav a:focus-visible{
  color:var(--accent);
  text-decoration:underline;
  text-underline-offset:4px;
}

/* The header remains physically accessible, while the monument's upper
   engraved details move into the header's visual field on wide screens. */
@media(min-width:1151px){
  .hero{min-height:calc(var(--monument-width)*1.33334 - 38px)}
  .hero-engraving{top:-80px}
}
@media(min-width:851px) and (max-width:1150px){
  .hero{min-height:calc(var(--monument-width)*1.33334 + 22px)}
  .hero-engraving{top:-64px}
  /* Clear the left-side CTA when the hero columns become narrow. */
  .hero .registry{width:min(62vw,700px)}
}
@media(max-width:850px){
  /* Keep the image below the hero text on small screens: no logo/menu collision. */
  .site-header #site-nav{right:20px}
  .site-header .nav-toggle{min-height:40px;padding:9px 10px}
}
@media(prefers-reduced-motion:reduce){
  .site-header{transition:none}
}

/* I4MD editorial surface refinement / 2026-10-17.
   Let the monument registry and diagnostic notice share the site's
   softened 14px corners, while admission standards stand independently
   on the page rather than inside a ruled grid. */
.hero .registry{
  border-radius:14px;
  overflow:hidden;
}
.clinical-warning{
  border-radius:14px;
}

/* An open, unboxed clinical standard: typography and deliberate spacing
   alone distinguish Observe / Separate / Classify / Publish. */
.method-section .standards{
  border:0;
  background:transparent;
  gap:clamp(24px,3.4vw,55px);
  align-items:start;
}
.method-section .standards article{
  min-width:0;
  margin:0;
  padding:5px 0 0;
  border:0;
  background:transparent;
  box-shadow:none;
}
.method-section .standards span{
  font-size:clamp(29px,3vw,40px);
  line-height:1;
}
.method-section .standards h3{
  margin:19px 0 12px;
}
.method-section .standards p{
  margin:0;
  max-width:30ch;
  line-height:1.65;
}
@media(max-width:850px){
  .method-section .standards{
    row-gap:32px;
  }
  .method-section .standards article{
    padding:0;
    border:0;
  }
  .method-section .standards p{
    max-width:46ch;
  }
}

/* CREATIVE DIRECTION / 2026-10-17
   The identity belongs to the page, not the viewport: the transparent header
   scrolls naturally, and desktop edges share the same 6vw editorial grid. */
.site-header{position:relative;top:auto}
@media(min-width:851px){
  .site-header{padding-inline:6vw}
  .site-header #site-nav{right:6vw}
}


/* I4MD clinical cross-reference register: typographic navigation, not recommendation cards. */
.case-entry{scroll-margin-top:24px}
.case-connections{grid-column:1/-1;border-top:1px solid var(--line);padding-top:24px;scroll-margin-top:28px}
.is-featured .case-connections{border-color:#625d58}
.case-connections h4{font-size:clamp(25px,2.3vw,34px)}
.case-connection-intro{max-width:63ch;font-size:12px!important;opacity:.77;margin-bottom:20px!important}

/* A single vertical examination sheet, with rules and classification rails. */
.case-connection-list{display:grid;grid-template-columns:minmax(0,1fr);border-top:1px solid rgba(86,76,67,.28)}
.case-connection{
  display:grid;grid-template-columns:35px minmax(0,1fr) 20px;align-items:start;gap:20px;
  position:relative;width:100%;padding:18px 10px 19px 0;
  border:0;border-bottom:1px solid rgba(86,76,67,.28);border-radius:9px;
  background:transparent;color:inherit;cursor:pointer;text-align:left;
  transition:background-color .16s ease,padding-left .16s ease;
}
.case-connection::before{
  content:"";position:absolute;top:19px;bottom:19px;left:40px;
  border-left:2px solid var(--accent);
}
.case-connection[data-relation="similar-behavior"]::before{border-left-style:dashed;opacity:.7}
.case-connection:hover{background:rgba(141,82,69,.07);padding-left:7px}
.case-connection:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.case-connection-sequence{
  font:700 10px/1.4 var(--sans);letter-spacing:.13em;color:var(--accent);padding-top:2px;
}
.case-connection-copy{display:flex;flex-direction:column;min-width:0;gap:8px}
.case-connection-basis{
  color:var(--accent);font:700 9px/1.45 var(--sans);
  letter-spacing:.11em;text-transform:uppercase;overflow-wrap:anywhere;
}
.case-connection-name{display:flex;align-items:baseline;gap:15px;min-width:0}
.case-connection-code{white-space:nowrap;font:700 10px/1.3 var(--sans);letter-spacing:.08em;opacity:.67}
.case-connection-name strong{font:400 clamp(18px,1.75vw,24px)/1.18 var(--serif);letter-spacing:-.025em;overflow-wrap:anywhere}
.case-connection-note{display:block;max-width:80ch;font:400 12px/1.5 var(--sans);opacity:.76}
.case-connection-arrow{justify-self:end;font:400 19px/1 var(--serif);color:var(--accent);padding-top:17px}
.is-featured .case-connection-sequence,.is-featured .case-connection-basis,.is-featured .case-connection-arrow{color:#d8a6a0}
.case-connection-key{
  display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:16px!important;
  font:500 10px/1.4 var(--sans)!important;letter-spacing:.025em;opacity:.68;
}
.case-key-solid,.case-key-dashed{height:15px;border-left:2px solid var(--accent);margin-left:11px}
.case-key-solid{margin-left:0}.case-key-dashed{border-left-style:dashed}

/* A discreet point of access from the diagnosis heading. */
.case-related-jump{
  display:inline-flex;align-items:center;gap:9px;align-self:flex-start;margin-top:24px;
  padding:0 0 6px;border:0;border-bottom:1px solid currentColor;border-radius:9px;
  background:transparent;color:var(--accent);cursor:pointer;
  font:700 10px/1.25 var(--sans);letter-spacing:.13em;text-transform:uppercase;
}
.case-related-jump:hover{color:var(--ink);border-bottom-width:2px}
.is-featured .case-related-jump{color:#d8a6a0}
.is-featured .case-related-jump:hover{color:var(--paper)}
.case-related-jump:focus-visible{outline:2px solid var(--accent);outline-offset:4px}

/* A short, clickable examination trail appears only after cross-case navigation. */
.case-trail{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding:0 0 14px;
  border-bottom:1px solid rgba(89,80,70,.25);margin:0 0 23px;max-width:100%}
.case-trail[hidden]{display:none}
.case-trail-label{font:700 9px/1.4 var(--sans);letter-spacing:.13em;white-space:nowrap;color:var(--muted);margin-right:4px}
.case-trail-item{display:inline-flex;align-items:center;gap:12px;font:700 11px/1.5 var(--sans);letter-spacing:.06em;white-space:nowrap}
.case-trail-separator{font-weight:400;opacity:.43}
.case-trail button{border:0;background:transparent;padding:2px 0;border-radius:9px;font:inherit;color:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.case-trail button:hover{color:var(--accent)}
.case-trail-current{color:var(--accent)}
.is-featured .case-trail{border-color:#625d58}
.is-featured .case-trail-label{color:#bdb8af}
.is-featured .case-trail-current,.is-featured .case-trail button:hover{color:#d8a6a0}
@media(max-width:850px){
  .case-connection{grid-template-columns:25px minmax(0,1fr) 14px;gap:15px;padding:15px 5px 16px 0}
  .case-connection::before{left:29px;top:16px;bottom:16px}
  .case-connection-name{flex-wrap:wrap;gap:4px 9px}
  .case-connection-code{width:100%}
  .case-connection-arrow{padding-top:17px}
  .case-trail{gap:5px 9px}
  .case-trail-label{width:100%}
}
@media(prefers-reduced-motion:reduce){.case-connection{transition:none}}