/* =========================================================
   MLS ROUNDTABLE — Design Tokens
   ========================================================= */
:root{
  /* Color */
  --ink:        #12181F;   /* primary text / dark surfaces */
  --ink-soft:   #2B3440;
  --paper:      #EAEBE6;   /* page background, cool stone */
  --paper-raised: #F4F4F0; /* card surfaces */
  --brass:      #A8773A;   /* primary accent — the "seal" color */
  --brass-deep: #7E5826;
  --slate:      #51606C;   /* secondary text */
  --line:       rgba(18,24,31,0.12);
  --line-strong:rgba(18,24,31,0.24);

  /* Type */
  --font-display: "Fraunces", Georgia, "Iowan Old Style", serif;
  --font-body:    "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", "SF Mono", Consolas, monospace;

  /* Scale */
  --step-1: clamp(0.85rem, 0.82rem + 0.1vw, 0.9rem);
  --step0:  clamp(1rem, 0.96rem + 0.2vw, 1.05rem);
  --step1:  clamp(1.25rem, 1.15rem + 0.4vw, 1.4rem);
  --step2:  clamp(1.7rem, 1.4rem + 1.2vw, 2.2rem);
  --step3:  clamp(2.4rem, 1.9rem + 2vw, 3.4rem);
  --step4:  clamp(3.2rem, 2.4rem + 3.2vw, 5rem);

  --container: 1180px;
  --radius: 2px;
}

@media (prefers-color-scheme: dark){
  /* Intentionally not auto-switching — institutional brand stays
     on a single, controlled paper surface in v1. */
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
.container{ max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: var(--step-1);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--brass-deep);
  display:flex; align-items:center; gap:0.6em;
  margin-bottom: 0.9em;
}
.eyebrow::before{
  content:"";
  width: 1.4em; height: 1px;
  background: var(--brass);
}
p.lede{ font-size: var(--step1); color: var(--slate); max-width: 38em; }

/* Focus visibility (a11y, never removed) */
a:focus-visible, button:focus-visible, [tabindex]:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(234,235,230,0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:0.7rem; font-family: var(--font-display); font-weight:600; font-size:1.05rem; }
.brand img{ height: 30px; width:auto; }
.nav-list{ list-style:none; display:flex; gap:2rem; margin:0; padding:0; font-size: var(--step-1); letter-spacing:0.02em; }
.nav-list a{ position:relative; padding: 0.3em 0; color: var(--ink-soft); }
.nav-list a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background: var(--brass); transform: scaleX(0); transform-origin:left;
  transition: transform .25s ease;
}
.nav-list a:hover::after, .nav-list a:focus-visible::after{ transform: scaleX(1); }
.nav-toggle{ display:none; }
@media (max-width: 760px){
  .nav-list{ display:none; }
  .nav-toggle{ display:inline-flex; }
}

/* =========================================================
   Hero + Roundtable signature diagram
   ========================================================= */
.hero{ padding: 4.5rem 0 3rem; }
.hero .container{ display:grid; gap: 2.5rem; }
@media (min-width: 920px){
  .hero .container{ grid-template-columns: 1.1fr 1fr; align-items:center; }
}
.hero h1{ font-size: var(--step4); max-width: 14ch; }
.hero p.lede{ margin-top: 1rem; }

.roundtable-diagram{
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1/1;
  margin: 0 auto;
}
.roundtable-diagram .hub{
  position:absolute; inset:34%;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display:flex; align-items:center; justify-content:center; text-align:center;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing:0.06em;
  text-transform: uppercase; line-height:1.3; padding: 0.5em;
  box-shadow: 0 0 0 1px var(--line-strong), 0 18px 40px -10px rgba(18,24,31,0.45);
}
.roundtable-diagram .ring{
  position:absolute; inset:0;
  border: 1px dashed var(--line-strong);
  border-radius: 50%;
}
.roundtable-diagram .seat{
  position:absolute;
  width: 92px; height: 92px;
  margin-left:-46px; margin-top:-46px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 50%;
  display:flex; align-items:center; justify-content:center;
  text-align:center; padding: 0.5em;
  font-family: var(--font-mono); font-size: 0.62rem; line-height:1.25;
  color: var(--ink-soft);
  box-shadow: 0 6px 16px -8px rgba(18,24,31,0.35);
}
@media (max-width: 919px){
  .roundtable-diagram{ display:none; }
  .roundtable-fallback{ display:block; }
}
.roundtable-fallback{ display:none; }
.roundtable-fallback ul{
  list-style:none; margin:0; padding:0;
  display:grid; grid-template-columns: 1fr 1fr; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.78rem;
}
.roundtable-fallback li{
  border: 1px solid var(--line); padding: 0.7em 0.8em; border-radius: var(--radius);
  background: var(--paper-raised);
}

/* =========================================================
   Section scaffolding
   ========================================================= */
section{ padding: 4.5rem 0; }
section.alt{ background: var(--paper-raised); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ max-width: 42em; margin-bottom: 2.5rem; }

/* Focus / pillars */
.pillars{ display:grid; gap:1.5rem; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); }
.pillar{ border-top: 2px solid var(--brass); padding-top:1.1rem; }
.pillar .index{ font-family: var(--font-mono); color: var(--slate); font-size:0.8rem; }
.pillar h3{ font-size: 1.15rem; margin-top:0.4rem; }
.pillar p{ color: var(--slate); margin:0; }

/* Members grid */
.members-grid{ display:grid; gap:1.75rem; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); }
.member-card{ background: var(--paper-raised); border:1px solid var(--line); border-radius: var(--radius); padding:1.5rem; display:flex; gap:1rem; align-items:flex-start; transition: box-shadow .2s ease, transform .2s ease; }
.member-card:hover{ box-shadow: 0 14px 30px -16px rgba(18,24,31,0.4); transform: translateY(-2px); }
.member-card .photo{ width:64px; height:64px; border-radius:50%; object-fit:cover; flex-shrink:0; background: var(--line); }
.member-card h3{ font-size:1.05rem; margin: 0 0 0.2em; }
.member-card .role{ font-size:0.85rem; color: var(--brass-deep); font-family: var(--font-mono); margin-bottom:0.5em; display:block; }
.member-card p{ color: var(--slate); font-size:0.92rem; margin:0; }
.member-card h3 a{ color:inherit; text-decoration:none; border-bottom:1px solid transparent; }
.member-card h3 a:hover{ border-bottom-color: var(--brass); }
/* Initials stand-in where an official portrait has not been supplied */
.photo.monogram, .photo-lg.monogram{
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-weight:500; letter-spacing:0.02em;
  color: var(--brass-deep); background: var(--paper);
  border:1px solid var(--line); box-sizing:border-box; user-select:none;
}
.photo.monogram{ font-size:1.15rem; }
.photo-lg.monogram{ font-size:2.4rem; }
.fn{ font-family: var(--font-mono); font-size:0.6em; color: var(--slate); margin-left:0.1em; }
.fn-note{ display:inline-block; margin-top:0.5em; font-size:0.85em; color: var(--slate); }

/* Legal documents */
.legal-doc{ max-width: 46em; }
.legal-doc .effective{ font-family: var(--font-mono); font-size:0.8rem; color: var(--slate); text-transform:uppercase; letter-spacing:0.04em; margin-bottom:2.5rem; }
.legal-doc h2{ font-size:1.15rem; margin:2.2rem 0 0.6rem; }
.legal-doc p, .legal-doc li{ color: var(--slate); }
.legal-doc ul{ padding-left:1.2rem; }
.legal-doc li{ margin-bottom:0.4em; }
.legal-doc a{ color: var(--brass-deep); }
.site-footer .legal-links{ margin-bottom:0.6rem; }
.site-footer .legal-links a{ margin-right:1.2rem; }

/* Study detail pages */
.study-detail{ display:grid; gap:2.5rem; grid-template-columns: minmax(200px, 260px) 1fr; align-items:start; }
.study-detail .cover{ width:100%; border:1px solid var(--line); border-radius:var(--radius); display:block; }
.study-facts{ margin:0; display:grid; grid-template-columns: max-content 1fr; gap:0.7rem 1.6rem; }
.study-facts dt{ font-family: var(--font-mono); font-size:0.72rem; text-transform:uppercase; letter-spacing:0.06em; color: var(--slate); padding-top:0.15em; }
.study-facts dd{ margin:0; color: var(--ink); font-size:0.95rem; }
.study-detail .note{ margin-top:2rem; padding-top:1.4rem; border-top:1px solid var(--line); color: var(--slate); font-size:0.9rem; }
@media (max-width: 640px){ .study-detail{ grid-template-columns:1fr; } .study-detail .cover{ max-width:220px; } }

/* Organizations / subscriber strip */
.org-strip{ display:grid; gap:1.25rem; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); align-items:stretch; }
.org-card{ border:1px solid var(--line); background: var(--paper-raised); padding:1.4rem 1.2rem; text-align:center; border-radius: var(--radius); }
.org-card img{ height:40px; width:auto; margin: 0 auto 0.9rem; object-fit:contain; }
.org-card .count{ font-family: var(--font-mono); font-size:1.4rem; color: var(--ink); }
.org-card .label{ font-size:0.78rem; color: var(--slate); text-transform:uppercase; letter-spacing:0.05em; }
.org-card a{ display:block; }
.org-card a:hover img{ opacity:0.72; }
.org-card img{ transition: opacity .2s ease; }
.org-card .org-name{ margin-top:0.6rem; padding-top:0.6rem; border-top:1px solid var(--line); font-size:0.85rem; color: var(--ink); }

/* Studies */
.studies-grid{ display:grid; gap:2rem; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); }
.study-card{ display:flex; gap:1.4rem; background:var(--paper-raised); border:1px solid var(--line); border-radius: var(--radius); padding:1.5rem; }
.study-card img{ width:96px; border:1px solid var(--line); flex-shrink:0; }
.study-card .date{ font-family: var(--font-mono); font-size:0.78rem; color: var(--slate); }
.study-card h3{ font-size:1.2rem; margin:0.2em 0 0.5em; }
.study-card p{ color: var(--slate); font-size:0.92rem; }
.btn{
  display:inline-flex; align-items:center; gap:0.5em;
  font-family: var(--font-mono); font-size:0.82rem; text-transform:uppercase; letter-spacing:0.08em;
  border: 1px solid var(--ink); padding: 0.65em 1.1em; border-radius: var(--radius);
  margin-top: 0.8em; transition: background .2s ease, color .2s ease;
}
.btn:hover{ background: var(--ink); color: var(--paper); }
.btn.primary{ background: var(--brass); border-color: var(--brass); color: var(--paper); }
.btn.primary:hover{ background: var(--brass-deep); border-color: var(--brass-deep); }

/* Contact / footer */
.site-footer{ background: var(--ink); color: rgba(234,235,230,0.82); padding: 3.5rem 0 2.5rem; }
.site-footer a{ color: var(--paper); }
.footer-grid{ display:grid; gap:2rem; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); margin-bottom:2rem; }
.footer-grid h4{ color: var(--paper); font-size:0.95rem; }
.footer-grid p, .footer-grid li{ color: rgba(234,235,230,0.7); font-size:0.9rem; }
.legal{ border-top:1px solid rgba(234,235,230,0.15); padding-top:1.5rem; font-size:0.8rem; color: rgba(234,235,230,0.55); font-family: var(--font-mono); }

/* Press-release modal (replaces Elementor popup) */
dialog.press{
  border:none; border-radius: var(--radius); max-width: 640px; width: calc(100% - 2.5rem);
  padding: 2rem; background: var(--paper-raised); color: var(--ink);
  box-shadow: 0 30px 60px -20px rgba(18,24,31,0.5);
}
dialog.press::backdrop{ background: rgba(18,24,31,0.55); }
dialog.press h2{ font-size:1.4rem; }
.dialog-close{ float:right; font-family: var(--font-mono); font-size:0.8rem; border:1px solid var(--line-strong); padding:0.3em 0.7em; border-radius: var(--radius); cursor:pointer; background:none; }

/* Scroll reveal (single, restrained use) */
.reveal{ opacity:0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* Member sub-pages */
.member-bio{ max-width: 48em; }
.member-bio .photo-lg{ width:140px; height:140px; border-radius:50%; object-fit:cover; margin-bottom:1.5rem; background:var(--line); }