/* ------------------------------------------------------------------
   The Pep Edit: editorial system
   Type:    Cormorant Garamond (display serif) + Inter (utility sans), self-hosted
   Palette: cream, warm white, warm charcoal, bronze from the seal logo.
            Faded sage is reserved for ONE job: the evidence system.
            When you see sage, it is an evidence grade. Nothing else is sage.
   ------------------------------------------------------------------ */

@font-face{
  font-family: "Cormorant Garamond";
  src: url("/fonts/cormorant-garamond-var.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Cormorant Garamond";
  src: url("/fonts/cormorant-garamond-italic-var.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}
@font-face{
  font-family: "Inter";
  src: url("/fonts/inter-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root{
  color-scheme: light;

  /* Primitives */
  --cream: #F4EEE5;         /* page ground, matches the seal */
  --paper: #FBF8F3;         /* warm white panels */
  --sand: #ECE4D7;          /* pressed surface */
  --ink: #2A2119;           /* warm charcoal, never pure black */
  --ink-2: #574B3F;         /* body on cream, 7.3:1 */
  --ink-3: #6E6152;         /* metadata on cream, 5.2:1 */
  --bronze: #8B6F4E;        /* the seal's bronze: marks, rules, numerals */
  --bronze-deep: #6A533C;   /* bronze for text and links, 6.2:1 */
  --line: #E4DCCD;          /* hairline */
  --line-2: #CDBFA9;        /* rule */
  --line-3: #8A7C6A;        /* component outline, 3:1 on cream */
  --sage: #7E9284;          /* evidence, decorative only */
  --sage-deep: #4A5E51;     /* evidence text and filled dots, 6:1 */
  --sage-wash: #E9EEE8;     /* evidence tint */

  /* Roles */
  --bg: var(--cream);
  --surface: var(--paper);
  --text: var(--ink);
  --text-2: var(--ink-2);
  --text-3: var(--ink-3);
  --accent: var(--bronze-deep);
  --accent-mark: var(--bronze);
  --evidence: var(--sage-deep);
  --focus: var(--bronze-deep);

  --serif: "Cormorant Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;

  --max: 1160px;
  --gutter: 28px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --t: 160ms;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference){ html{ scroll-behavior: smooth; } }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
}
main:focus{ outline: none; }
img{ max-width: 100%; height: auto; }
h1, h2, h3, h4{ margin: 0; font-weight: 500; }
p{ margin: 0; }
a{ color: inherit; }
button{ font: inherit; }

:where(a, button, input, [tabindex]):focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}
::selection{ background: var(--sand); color: var(--ink); }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.sr{
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
[hidden]{ display: none !important; }

.skip{
  position: absolute; left: var(--gutter); top: -60px;
  background: var(--ink); color: var(--paper);
  font: 500 13px/1 var(--sans); letter-spacing: .04em;
  padding: 16px 16px; text-decoration: none; z-index: 100;
  transition: top var(--t) var(--ease);
}
.skip:focus{ top: 12px; }

/* ---------- Utility type ---------- */

.eyebrow{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
}
.eyebrow .tick{
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--accent-mark);
  vertical-align: middle;
  margin-right: 12px;
  transform: translateY(-1px);
}
.lede{
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-2);
  max-width: 46ch;
  text-wrap: pretty;
}
.dek{
  color: var(--text-2);
  font-size: 16px;
  max-width: 44ch;
  text-wrap: pretty;
}

/* ---------- Masthead ---------- */

.masthead{
  position: sticky; top: 0; z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line-2);
}
.nav{
  display: flex; align-items: center; gap: 28px;
  min-height: 68px;
  position: relative;
}
.wordmark{
  display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none;
  font: 600 15px/1 var(--serif);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
}
.wordmark .mark{ width: 18px; height: 18px; color: var(--accent-mark); flex: none; }

.primary-nav{ margin-left: auto; }
.nav-links{ display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.nav-links a{
  display: inline-block;
  font: 500 12px/1 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none;
  color: var(--text-2);
  padding: 16px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
  white-space: nowrap;
}
.nav-links a:hover{ color: var(--text); }
.nav-links a[aria-current="page"]{ color: var(--accent); border-bottom-color: var(--accent-mark); }
.nav-links-cta{ display: none; }

.nav-cta{
  font: 600 12px/1 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--text);
  padding: 12px 16px;
  min-height: 40px;
  display: inline-flex; align-items: center;
  white-space: nowrap;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.nav-cta:hover, .nav-cta[aria-current="page"]{ background: var(--ink); color: var(--paper); }

.nav-toggle{
  display: none;
  align-items: center; gap: 8px;
  min-height: 44px; min-width: 44px;
  padding: 0 4px 0 8px;
  margin-left: auto;
  color: var(--text);
  background: transparent;
  border: 0;
  cursor: pointer;
  font: 600 12px/1 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
}
.nav-toggle-bars{
  position: relative; width: 18px; height: 12px; display: block;
}
.nav-toggle-bars::before, .nav-toggle-bars::after{
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px;
  background: currentColor;
  transition: transform var(--t) var(--ease), top var(--t) var(--ease);
}
.nav-toggle-bars::before{ top: 1px; }
.nav-toggle-bars::after{ top: 10px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{ top: 5.5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{ top: 5.5px; transform: rotate(-45deg); }

/* ---------- Buttons and links ---------- */

.btn{
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px;
  font: 600 12px/1 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none;
  background: var(--ink); color: var(--paper);
  border: 1px solid var(--ink);
  padding: 0 32px;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}
.btn:hover{ background: var(--bronze-deep); border-color: var(--bronze-deep); }

.text-link{
  font: 500 14px/1.4 var(--sans);
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 3px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.text-link:hover{ color: var(--accent); border-color: var(--accent); }

/* ---------- Hero (home) ---------- */

.hero{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 64px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 96px;
}
.hero h1{
  font: 500 clamp(46px, 6.2vw, 86px)/1.02 var(--serif);
  letter-spacing: .003em;
  margin: 0 0 28px;
  text-wrap: balance;
}
.hero h1 em{
  display: block;
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.hero .lede{ margin-bottom: 36px; }
.hero-actions{ display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.nowrap{ white-space: nowrap; }
.hero-folio{
  font: 600 12px/1.6 var(--sans);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-3);
  margin: 44px 0 0;
}

/* The specimen: the evidence ladder as the hero artifact */

.specimen{
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 36px 32px 32px;
  position: relative;
}
.specimen::before{
  content: "";
  position: absolute; inset: 6px;
  border: 1px solid var(--line);
  pointer-events: none;
}
.specimen-head{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--evidence);
  margin: 0 0 8px;
  text-align: center;
}
.specimen-sub{
  font: italic 500 18px/1.4 var(--serif);
  color: var(--text-2);
  text-align: center;
  margin: 0 0 24px;
}
.scale{ list-style: none; margin: 0; padding: 0; counter-reset: rung; }
.scale li{
  counter-increment: rung;
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: baseline;
  column-gap: 12px;
  padding: 8px 2px;
  border-top: 1px solid var(--line);
}
.scale li::before{
  content: counter(rung, upper-roman);
  font: italic 500 15px/1 var(--serif);
  color: var(--accent);
}
.scale .rung-label{ font: 500 19px/1.25 var(--serif); }
.scale li.has .rung-label{ color: var(--evidence); }
.scale .rung-who{
  font: 500 12px/1.5 var(--sans);
  color: var(--text-3);
  text-align: right;
  max-width: 18ch;
}
.scale .rung-who a{
  text-decoration: none;
  color: var(--evidence);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease);
}
.scale .rung-who a:hover{ border-bottom-color: var(--evidence); }
.specimen-note{
  font-size: 13px; line-height: 1.6;
  color: var(--text-2);
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin: 4px 0 0;
}
.specimen-link{
  display: inline-block;
  margin-top: 16px;
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--evidence);
  text-decoration: none;
  border-bottom: 1px solid var(--sage);
  padding-bottom: 3px;
}
.specimen-link:hover{ border-bottom-color: var(--evidence); }

/* ---------- Sections ---------- */

.section{ padding-top: 96px; padding-bottom: 96px; }
.section-divider{ border-top: 1px solid var(--line); }
.section-body{ padding-top: 48px; padding-bottom: 112px; }

.section-head{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 48px;
}
.section-head-tight{ margin-bottom: 28px; }
.section-head h2{
  font: 500 clamp(32px, 3.4vw, 46px)/1.08 var(--serif);
  letter-spacing: .003em;
}
.section-head h2 i, .page-hero h1 i, .newsletter h2 i{ font-style: italic; color: var(--accent); }
.section-head .dek{ margin: 0 0 8px; justify-self: end; }
.section-more{ margin-top: 28px; }

/* ---------- Index rows ---------- */

.index-list{ list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.index-row{
  display: grid;
  grid-template-columns: 96px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.index-row.no-thumb{ grid-template-columns: 1fr auto; }
.index-thumb{
  width: 96px; height: 96px;
  object-fit: cover; object-position: top;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 2px;
  display: block;
}
.index-monogram{
  width: 96px; height: 96px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 2px;
  font: italic 500 46px/1 var(--serif);
  color: var(--accent-mark);
}
.index-topic{ font: 500 26px/1.2 var(--serif); }
.index-topic a{
  text-decoration: none; color: var(--text);
  text-underline-offset: 5px; text-decoration-thickness: 1px; text-decoration-color: var(--accent-mark);
  transition: color var(--t) var(--ease);
}
.index-topic a::after{ content: ""; position: absolute; inset: 0; }
.index-row:hover .index-topic a, .index-row:focus-within .index-topic a{
  color: var(--accent);
  text-decoration-line: underline;
}
.index-desc{
  font-size: 14px; line-height: 1.6;
  color: var(--text-2);
  max-width: 60ch;
  margin: 8px 0 0;
  text-wrap: pretty;
}
.index-tag{
  font: 600 12px/1.5 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-3);
  white-space: nowrap;
  justify-self: end;
}
.index-meta{
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 12px;
  position: relative; z-index: 1;
}
.row-topics{
  display: flex; flex-wrap: wrap; gap: 8px 16px;
  margin-top: 8px;
  position: relative; z-index: 1;
}
.row-topic{
  font: 500 12px/1.5 var(--sans);
  letter-spacing: .04em;
  color: var(--text-3);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.row-topic:hover{ color: var(--accent); border-color: var(--accent); }

/* ---------- Evidence system: the signature ---------- */

.dots{ display: inline-flex; gap: 4px; }
.dots i{ width: 9px; height: 9px; border-radius: 50%; display: inline-block; position: relative; }
.dots i.on{ background: var(--evidence); }
.dots i.lim{ background: var(--surface); border: 1.5px solid var(--evidence); }
.dots i.lim::after{
  content: ""; position: absolute; inset: 1.5px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--evidence) 50%, transparent 50%);
}
.dots i.off{ background: transparent; border: 1px solid var(--line-3); }

.ev-mini{ display: inline-flex; align-items: center; gap: 8px; }
.ev-mini-key{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--evidence);
}
.ev-mini-label{ font: italic 500 15px/1.3 var(--serif); color: var(--text); }

.stamp{
  display: inline-block;
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-2);
  border: 1px solid var(--line-3);
  padding: 8px 12px;
  border-radius: 2px;
  background: var(--surface);
}

.rail{
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line);
  padding: 32px 0 24px;
  margin-top: 40px;
}
.rail-head{ display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.rail-title{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--evidence);
}
.rail-help{
  font: 500 13px/1.4 var(--sans);
  color: var(--text-3);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.rail-help:hover{ color: var(--evidence); border-color: var(--evidence); }
.rail-track{ list-style: none; margin: 0; padding: 0; display: flex; position: relative; }
.rail-track::before{
  content: "";
  position: absolute; left: 7px; right: 7px; top: 7px;
  height: 1px;
  background: var(--line-2);
}
.rail-track li{ flex: 1; position: relative; padding: 28px 12px 0 0; }
.rail-track .dot{
  position: absolute; top: 0; left: 0;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--line-3);
}
.rail-track li.on .dot{ background: var(--evidence); border-color: var(--evidence); }
.rail-track li.lim .dot{ background: var(--surface); border-color: var(--evidence); }
.rail-track li.lim .dot::after{
  content: ""; position: absolute; inset: 2.5px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--evidence) 50%, transparent 50%);
}
.rail-num{
  display: block;
  font: italic 500 13px/1 var(--serif);
  color: var(--accent);
  margin-bottom: 8px;
}
.rail-label{
  display: block;
  font: 600 12px/1.5 var(--sans);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-3);
  max-width: 16ch;
}
.rail-track li.on .rail-label{ color: var(--text); }
.rail-track li.on:has(+ li.off) .rail-label,
.rail-track li.on:last-child .rail-label,
.rail-track li.lim .rail-label{
  color: var(--evidence);
  font: italic 500 16px/1.3 var(--serif);
  letter-spacing: .01em;
  text-transform: none;
}
@media (prefers-reduced-motion: no-preference){
  .rail-track .dot{ animation: dot-in .4s var(--ease) backwards; }
  .rail-track li:nth-child(2) .dot{ animation-delay: .05s; }
  .rail-track li:nth-child(3) .dot{ animation-delay: .10s; }
  .rail-track li:nth-child(4) .dot{ animation-delay: .15s; }
  .rail-track li:nth-child(5) .dot{ animation-delay: .20s; }
  .rail-track li:nth-child(6) .dot{ animation-delay: .25s; }
}
@keyframes dot-in{ from{ transform: scale(.3); opacity: 0; } to{ transform: scale(1); opacity: 1; } }

/* ---------- Topic chips and filter ---------- */

.topic-chips{ display: flex; flex-wrap: wrap; gap: 8px; }
.topic-chip{
  display: inline-flex; align-items: center;
  min-height: 44px;
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  text-decoration: none;
  color: var(--text-2);
  border: 1px solid var(--line-3);
  padding: 0 20px;
  transition: color var(--t) var(--ease), background var(--t) var(--ease), border-color var(--t) var(--ease);
}
.topic-chip:hover{ color: var(--text); background: var(--surface); border-color: var(--text-2); }
.topic-chip[aria-current="true"]{ color: var(--paper); background: var(--ink); border-color: var(--ink); }
.topics-soon{ margin-top: 24px; font-size: 14px; color: var(--text-2); max-width: 64ch; }
.topics-soon a{ color: var(--accent); }

.filter{ margin-bottom: 20px; }
.filter-label{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
}
.filter-count{ font-size: 13px; color: var(--text-3); margin: 16px 0 0; min-height: 1.4em; }
.filter-empty{ padding: 40px 0; color: var(--text-2); }
.filter-empty a{ color: var(--accent); }

/* ---------- Legend, method, up next ---------- */

.legend, .method, .upnext{
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 32px 36px;
  margin-top: 48px;
}
.legend-title{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
}
.legend-list, .method-list{ list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.legend-body{ display: grid; grid-template-columns: auto 1fr; gap: 16px 56px; align-items: start; }
.method-list{ grid-template-columns: 1fr 1fr; gap: 12px 40px; }
.legend-list li{ display: flex; align-items: center; gap: 16px; font-size: 14px; color: var(--text-2); }
.legend-list .dots i{ width: 11px; height: 11px; }
.legend-note{ margin: 0; font-size: 14px; color: var(--text-2); max-width: 52ch; }
.legend-aside{ margin-top: 28px; padding: 24px 24px; }
.legend-note a, .upnext a, .method a{ color: var(--accent); }
.method{ margin-top: 72px; }
.method-list li{
  position: relative; padding-left: 24px;
  font-size: 14px; color: var(--text-2);
}
.method-list li::before{
  content: ""; position: absolute; left: 0; top: .75em;
  width: 8px; height: 1.5px; background: var(--accent-mark);
}
.upnext{ display: flex; align-items: baseline; gap: 28px; flex-wrap: wrap; }
.upnext-label{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3);
  white-space: nowrap;
}
.upnext p{ color: var(--text-2); font-size: 14px; max-width: 60ch; }
.upnext i{ font: italic 500 18px/1.4 var(--serif); color: var(--text); }

/* ---------- Newsletter ---------- */

.newsletter{
  background: var(--surface);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  padding: 88px 0;
}
.newsletter-inner{ display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.newsletter h2{ font: 500 clamp(32px, 3.2vw, 44px)/1.12 var(--serif); margin: 0 0 16px; }

.signup{ display: flex; flex-direction: column; gap: 12px; }
.signup-row{ display: flex; border-bottom: 1px solid var(--ink); }
.signup-row input[type="email"]{
  flex: 1;
  border: none; background: transparent;
  padding: 16px 4px;
  min-height: 48px;
  font: 400 16px/1.4 var(--sans);
  color: var(--text);
  min-width: 0;
  border-radius: 0;
}
.signup-row input[type="email"]::placeholder{ color: var(--text-3); }
.signup-row input[type="email"]:focus-visible{ outline-offset: 0; }
.signup-row:focus-within{ border-color: var(--accent); }
.signup-row button{
  border: none; background: none; cursor: pointer;
  min-height: 48px;
  font: 600 12px/1 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  padding: 0 8px;
  white-space: nowrap;
  transition: color var(--t) var(--ease);
}
.signup-row button:hover{ color: var(--text); }
.signup-hp{ position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.signup-note{ font-size: 13px; color: var(--text-2); }
.signup-state{ display: none; font: italic 500 18px/1.5 var(--serif); color: var(--evidence); margin-bottom: 20px; }
.signup-state:target{ display: block; }
.signup-state a{ color: var(--accent); }
.signup-error{ color: var(--accent); }
.signup-note a{ color: var(--accent); }
.signup-success{
  font: italic 500 18px/1.5 var(--serif);
  color: var(--evidence);
  padding-top: 4px;
}

.newsletter-page{
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px;
  padding-top: 40px; padding-bottom: 112px;
  align-items: start;
}
.newsletter-form{ border-top: 1px solid var(--line-2); padding-top: 32px; }
.newsletter-alt{ margin-top: 28px; font-size: 14px; color: var(--text-2); }
.newsletter-alt a{ color: var(--accent); }
.newsletter-inside{ border-top: 1px solid var(--line-2); padding-top: 32px; }
.inside-list{ list-style: none; margin: 0; padding: 0; }
.inside-list li{ padding: 16px 0; border-bottom: 1px solid var(--line); }
.inside-list h2{ font: 500 22px/1.25 var(--serif); margin-bottom: 8px; }
.inside-list p{ font-size: 14px; color: var(--text-2); }
.newsletter-fine{ margin-top: 20px; font-size: 13px; color: var(--text-3); }

/* ---------- Quality framework ---------- */

.quality-grid{
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.quality-cell{ background: var(--surface); padding: 32px 28px 40px; }
.quality-cell .num{
  font: italic 500 18px/1 var(--serif);
  color: var(--accent);
  display: block; margin-bottom: 16px;
}
.quality-cell h3{ font: 500 22px/1.2 var(--serif); margin: 0 0 8px; }
.quality-cell p{ font-size: 14px; color: var(--text-2); }

/* ---------- Partners ---------- */

.partners-panel{
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 48px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 36px; flex-wrap: wrap;
}
.partners-panel p{ color: var(--text-2); font-size: 16px; max-width: 54ch; }
.partners-status{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--line-3);
  padding: 12px 16px;
  white-space: nowrap;
}

/* ---------- Page heroes (inner pages) ---------- */

.page-hero{ padding-top: 76px; padding-bottom: 28px; }
.page-hero h1{
  font: 500 clamp(40px, 5vw, 66px)/1.05 var(--serif);
  margin: 0 0 20px;
  max-width: 20ch;
  text-wrap: balance;
}
.page-hero .hero-actions{ margin-top: 36px; }

/* ---------- Research notes ---------- */

.notes{ border-top: 1px solid var(--line-2); }
.note{ padding: 48px 0 56px; border-bottom: 1px solid var(--line); scroll-margin-top: 88px; }
.note-meta{ display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.note-meta time{ font-size: 13px; color: var(--text-3); }
.note-grid{ display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: start; }
.note-grid-solo{ grid-template-columns: 1fr; }
.note-main h2{ font: 500 clamp(28px, 3vw, 38px)/1.12 var(--serif); margin-bottom: 16px; text-wrap: balance; }
.note-standfirst{ font: italic 500 20px/1.45 var(--serif); color: var(--text-2); margin-bottom: 20px; max-width: 58ch; }
.note-main p + p{ margin-top: 16px; }
.note-main > p:not(.note-standfirst){ color: var(--text-2); font-size: 16px; max-width: 64ch; }
.note-related{ margin-top: 24px !important; font-size: 14px !important; }
.note-related a{ color: var(--accent); }
.note-figure{ margin: 0; }
.note-figure img{ width: 100%; display: block; }

/* ---------- Peptide sheet ---------- */

.sheet-head{ padding-top: 64px; }
.sheet-kicker{
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.sheet-kicker .eyebrow{ margin: 0; }
.sheet-kicker-right{ display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.reviewed{ font-size: 13px; color: var(--text-3); }
.sheet-head h1{
  font: 500 clamp(54px, 8vw, 100px)/1 var(--serif);
  letter-spacing: .005em;
  margin: 0 0 24px;
}
.sheet-lede{
  font: italic 500 clamp(19px, 2.2vw, 24px)/1.5 var(--serif);
  color: var(--text-2);
  max-width: 54ch;
  text-wrap: pretty;
}
.sheet-body{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 72px;
  align-items: start;
  padding: 56px 0 80px;
}
.glance{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 0 0 44px;
  padding: 24px 0;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line);
}
.glance dt{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}
.glance dd{ margin: 0; font: 500 19px/1.3 var(--serif); }
.glance-sub{ display: block; font: 400 13px/1.5 var(--sans); color: var(--text-2); margin-top: 4px; }
.glance .row-topics{ margin-top: 2px; }
.sheet-main h2{ font: 500 clamp(26px, 2.6vw, 34px)/1.15 var(--serif); margin: 0 0 16px; }
.sheet-main h3{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--evidence);
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin: 36px 0 12px;
}
.sheet-main ul{ list-style: none; margin: 0; padding: 0; }
.sheet-main li{
  position: relative;
  padding: 8px 0 8px 24px;
  color: var(--text-2);
  font-size: 16px;
}
.sheet-main li::before{
  content: "";
  position: absolute; left: 2px; top: 17px;
  width: 8px; height: 1.5px;
  background: var(--accent-mark);
}
.bottom-line{
  margin-top: 44px;
  padding: 28px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.bottom-line-label{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}
.bottom-line-text{ font: italic 500 22px/1.35 var(--serif); }
.bottom-line-folio{
  margin-top: 16px;
  font: 600 12px/1.5 var(--sans);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-3);
}
.sheet-aside{ position: sticky; top: 92px; }
.plate{ margin: 0; }
.plate img{ width: 100%; display: block; }
.plate figcaption{
  font-size: 13px; line-height: 1.6;
  color: var(--text-2);
  border-bottom: 1px solid var(--line);
  padding: 16px 2px 16px;
}
.aside-note{
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line);
  padding: 24px 2px;
  font-size: 14px; line-height: 1.7;
  color: var(--text-2);
}
.related{ padding-bottom: 80px; }
.related .section-head{ grid-template-columns: 1fr; }
.sheet-cta{
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
  border-top: 1px solid var(--line-2);
  padding: 56px 0 96px;
}
.sheet-cta h2{ font: 500 clamp(26px, 2.6vw, 34px)/1.15 var(--serif); margin-bottom: 8px; }

/* ---------- About ---------- */

.about-grid{
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0 72px;
  padding-top: 40px; padding-bottom: 112px;
}
.about-block{ border-top: 1px solid var(--line-2); padding: 32px 0 44px; }
.about-wide{ grid-column: 1 / -1; }
.about-block h2{ font: 500 clamp(26px, 2.4vw, 32px)/1.2 var(--serif); margin: 0 0 16px; }
.about-block p{ color: var(--text-2); font-size: 16px; max-width: 62ch; }
.about-block p + p{ margin-top: 12px; }
.about-block a{ color: var(--accent); text-decoration-color: var(--line-2); text-underline-offset: 3px; }
.about-lead p:first-of-type::first-letter{
  font: 500 54px/.8 var(--serif);
  color: var(--accent);
  float: left;
  padding: 8px 8px 0 0;
}
.questions{
  list-style: none; margin: 20px 0 0; padding: 0;
  counter-reset: q;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 48px;
  max-width: none;
}
.questions li{
  counter-increment: q;
  display: flex; gap: 16px; align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font: 500 21px/1.3 var(--serif);
  color: var(--text);
}
.questions li::before{
  content: counter(q);
  font: italic 500 14px/1 var(--serif);
  color: var(--accent);
  min-width: 24px;
}

/* ---------- Start here (primer) ---------- */

.primer{
  display: grid; grid-template-columns: 220px 1fr; gap: 72px;
  align-items: start;
  padding-top: 32px; padding-bottom: 112px;
}
.primer-toc{ position: sticky; top: 92px; border-top: 1px solid var(--line-2); padding-top: 24px; }
.primer-toc ol{ list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.primer-toc li{ counter-increment: toc; display: flex; gap: 8px; align-items: baseline; padding: 8px 0; }
.primer-toc li::before{ content: counter(toc); font: italic 500 14px/1 var(--serif); color: var(--accent); min-width: 16px; }
.primer-toc a{ font-size: 14px; color: var(--text-2); text-decoration: none; border-bottom: 1px solid transparent; transition: color var(--t) var(--ease), border-color var(--t) var(--ease); }
.primer-toc a:hover{ color: var(--accent); border-color: var(--accent); }
.primer-body{ max-width: 66ch; }
.primer-section{ padding: 8px 0 48px; scroll-margin-top: 88px; }
.primer-section + .primer-section{ border-top: 1px solid var(--line); padding-top: 44px; }
.primer-section h2{ font: 500 clamp(30px, 3vw, 40px)/1.12 var(--serif); margin-bottom: 16px; text-wrap: balance; }
.primer-section p{ color: var(--text-2); font-size: 16px; line-height: 1.7; }
.primer-section p + p, .primer-section ol + p, .primer-section dl + p{ margin-top: 16px; }
.primer-section h3{ font: 500 21px/1.3 var(--serif); }

.read-list{ list-style: none; margin: 24px 0 0; padding: 0; counter-reset: rq; }
.read-list li{
  counter-increment: rq;
  display: grid; grid-template-columns: 24px 1fr; gap: 0 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.read-list li::before{
  content: counter(rq);
  font: italic 500 14px/1.6 var(--serif);
  color: var(--accent);
  padding-top: 4px;
}
.read-list h3{ margin-bottom: 8px; text-wrap: balance; }
.read-list p{ font-size: 16px; grid-column: 2; }

.ladder-list{ list-style: none; margin: 24px 0 0; padding: 0; }
.ladder-list li{
  display: grid; grid-template-columns: 44px 1fr; gap: 0 16px; align-items: start;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.ladder-list li:last-child{ border-bottom: 1px solid var(--line); }
.ladder-num{
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--evidence); color: var(--paper);
  font: 600 13px/1 var(--sans);
  margin-top: 2px;
}
.ladder-list h3{ color: var(--evidence); }
.ladder-list p{ font-size: 16px; }

.glossary{ margin: 24px 0 0; border-top: 1px solid var(--line); }
.glossary-row{
  display: grid; grid-template-columns: 220px 1fr; gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.glossary dt{ font: 600 12px/1.6 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--text); padding-top: 3px; }
.glossary dd{ margin: 0; font-size: 16px; color: var(--text-2); }

.plain-list{ list-style: none; margin: 0; padding: 0; }
.plain-list li{ position: relative; padding: 8px 0 8px 24px; color: var(--text-2); font-size: 16px; }
.plain-list li::before{ content: ""; position: absolute; left: 2px; top: 20px; width: 8px; height: 1.5px; background: var(--accent-mark); }

.primer-cta{
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  border-top: 1px solid var(--line-2);
  padding-top: 40px;
}

/* ---------- Footer ---------- */

.footer{ border-top: 1px solid var(--line-2); padding: 64px 0 44px; }
.footer-top{
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
.footer-brand .wordmark{ margin-bottom: 16px; }
.footer-tagline{
  font: italic 500 18px/1.4 var(--serif);
  color: var(--accent);
  margin: 0 0 12px;
}
.footer-brand p:not(.footer-tagline){ color: var(--text-2); font-size: 14px; max-width: 40ch; }
.footer-col h2{
  font: 600 12px/1.4 var(--sans);
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 16px;
}
.footer-col ul{ list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a{
  display: inline-block;
  text-decoration: none; color: var(--text-2); font-size: 14px;
  padding: 3px 0;
  transition: color var(--t) var(--ease);
}
.footer-col a:hover{ color: var(--accent); }
.footer-line{
  font: 600 12px/1.6 var(--sans);
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--text-3);
  text-align: center;
  padding: 24px 0 24px;
  border-bottom: 1px solid var(--line);
}
.footer-bottom{
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 28px; padding-top: 24px; flex-wrap: wrap;
}
.disclaimer{ font-size: 13px; color: var(--text-3); max-width: 70ch; line-height: 1.6; }
.copyline{ font-size: 13px; color: var(--text-3); white-space: nowrap; }

/* ---------- Responsive ---------- */

@media (max-width: 980px){
  .nav{ gap: 16px; }
  .nav-toggle{ display: inline-flex; }
  .primary-nav{ margin-left: 0; }
  .nav-cta{ margin-left: auto; }
  .nav-links{
    display: none;
    position: absolute; top: calc(100% + 1px); left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line-2);
    padding: 8px var(--gutter) 12px;
    flex-direction: column; gap: 0;
    z-index: 50;
  }
  .nav-links.open{ display: flex; }
  .nav-links li{ border-bottom: 1px solid var(--line); }
  .nav-links li:last-child{ border-bottom: 0; }
  .nav-links a{ display: block; padding: 16px 0; border-bottom: 0; font-size: 13px; }
  .nav-links a[aria-current="page"]{ border-bottom: 0; }
  .nav-links-cta{ display: block; }
  .nav-links-cta a{ color: var(--accent); }

  .hero{ grid-template-columns: 1fr; gap: 56px; padding-top: 64px; padding-bottom: 72px; }
  .specimen{ max-width: 560px; }

  .section{ padding-top: 72px; padding-bottom: 72px; }
  .section-body{ padding-bottom: 88px; }
  .section-head{ grid-template-columns: 1fr; gap: 16px; margin-bottom: 36px; }
  .section-head .dek{ justify-self: start; }

  .quality-grid{ grid-template-columns: 1fr 1fr; }
  .note-grid{ grid-template-columns: 1fr; gap: 28px; }
  .note-figure{ max-width: 320px; }
  .sheet-body{ grid-template-columns: 1fr; gap: 48px; }
  .sheet-aside{ position: static; max-width: 420px; }
  .sheet-cta{ grid-template-columns: 1fr; gap: 28px; }
  .about-grid{ grid-template-columns: 1fr; gap: 0; }
  .questions{ grid-template-columns: 1fr; }
  .primer{ grid-template-columns: 1fr; gap: 40px; }
  .primer-toc{ position: static; }
  .newsletter-page{ grid-template-columns: 1fr; gap: 48px; }
  .glance{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px){
  :root{ --gutter: 20px; }
  .skip{ left: 20px; }
  .nav{ min-height: 60px; }
  .nav{ gap: 12px; }
  .nav-cta{ padding: 0 12px; min-height: 40px; }
  .nav-toggle{ padding: 0 4px; }
  .nav-toggle-text{ position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

  .hero{ padding-top: 48px; padding-bottom: 64px; gap: 44px; }
  .hero h1{ margin-bottom: 24px; }
  .hero .lede{ margin-bottom: 32px; }
  .hero-folio{ margin-top: 32px; }
  .specimen{ padding: 28px 24px 24px; }
  .scale li{ grid-template-columns: 24px 1fr; }
  .scale .rung-who{ grid-column: 2; text-align: left; max-width: none; }

  .section{ padding-top: 60px; padding-bottom: 60px; }
  .section-body{ padding-top: 36px; padding-bottom: 72px; }
  .page-hero{ padding-top: 52px; }
  .newsletter{ padding: 64px 0; }
  .newsletter-inner{ grid-template-columns: 1fr; gap: 32px; }
  .quality-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom{ flex-direction: column; }
  .partners-panel{ flex-direction: column; align-items: flex-start; padding: 32px 24px; }
  .legend, .method, .upnext{ padding: 24px 24px; }
  .upnext{ flex-direction: column; gap: 12px; }

  .index-row{ grid-template-columns: 72px 1fr; gap: 16px; row-gap: 8px; align-items: start; }
  .index-thumb, .index-monogram{ width: 72px; height: 72px; }
  .index-monogram{ font-size: 34px; }
  .index-row .index-tag{ grid-column: 2; justify-self: start; order: 3; }
  .index-row:has(.row-topics) .index-tag{ display: none; }
  .index-row.no-thumb{ grid-template-columns: 1fr; }
  .index-row.no-thumb .index-tag{ grid-column: 1; }
  .ev-mini{ flex-wrap: wrap; row-gap: 4px; }
  .ev-mini-label{ flex-basis: 100%; }
  .legend-body{ grid-template-columns: 1fr; }
  .method-list{ grid-template-columns: 1fr; }
  .index-topic{ font-size: 23px; }
  .index-meta{ gap: 8px 16px; }

  .rail-track{ flex-direction: column; }
  .rail-track::before{ left: 7px; right: auto; top: 10px; bottom: 10px; width: 1px; height: auto; }
  .rail-track li{ padding: 8px 0 8px 32px; display: flex; align-items: baseline; gap: 12px; }
  .rail-track .dot{ top: 9px; }
  .rail-num{ margin: 0; min-width: 14px; }
  .rail-label{ max-width: none; }
  .rail-head{ flex-direction: column; gap: 8px; margin-bottom: 20px; }

  .sheet-head{ padding-top: 40px; }
  .sheet-kicker{ margin-bottom: 24px; }
  .sheet-body{ padding: 40px 0 56px; }
  .glance{ grid-template-columns: 1fr; gap: 16px; }
  .bottom-line{ padding: 24px 20px; }
  .sheet-cta{ padding: 44px 0 72px; }
  .glossary-row{ grid-template-columns: 1fr; gap: 8px; }
  .read-list li{ grid-template-columns: 28px 1fr; }
  .primer-section h2{ font-size: 30px; }
}

/* ---------- Print: cheat sheets are meant to be kept ---------- */

@media print{
  :root{ --bg: #fff; --surface: #fff; }
  .masthead, .footer-top, .footer-line, .skip, .sheet-cta, .related, .rail-help, .specimen-link{ display: none !important; }
  body{ font-size: 12pt; }
  a{ text-decoration: none; color: inherit; }
  .sheet-aside{ position: static; }
  .rail-track .dot{ animation: none; }
  .index-row, .note, .primer-section{ break-inside: avoid; }
}