/* =====================================================================
   xdreze.org :: aed stylesheet
   project ........ Xavier Dreze, marketing scholarship archive
   design seed .... 154623830  (namespace token derived: a-e-d)
   author ......... original rebuild, no third party framework
   note ........... single vanilla stylesheet, no utility classes reused
   ===================================================================== */

/* // 00 ---- palette and measure tokens ------------------------------ */
:root {
  --aed-carbon:      #17191b;
  --aed-graphite:    #24272a;
  --aed-slate:       #4b5157;
  --aed-ash:         #6f757b;
  --aed-mist:        #c6cacd;
  --aed-fog:         #e4e6e7;
  --aed-paper:       #f4f3f0;
  --aed-pure:        #ffffff;
  --aed-ember:       #8a2d35;
  --aed-ember-ink:   #6e2229;

  --aed-hairline:    1px solid var(--aed-mist);
  --aed-hairfog:     1px solid var(--aed-fog);
  --aed-corner:      5px;
  --aed-corner-lg:   12px;
  --aed-elev:        0 1px 2px rgba(23, 25, 27, .08);
  --aed-elev-lift:   0 10px 26px rgba(23, 25, 27, .12);

  --aed-shell:       1180px;
  --aed-read:        70ch;
  --aed-pad:         clamp(1.15rem, 3vw, 2rem);
  --aed-gap:         clamp(1.1rem, 2.4vw, 1.9rem);
  --aed-band:        clamp(2.6rem, 6vw, 4.6rem);

  --aed-serif-display: "Newsreader", Georgia, "Times New Roman", serif;
  --aed-serif-text:    "Source Serif 4", Georgia, "Times New Roman", serif;

  --aed-ease:        cubic-bezier(.22, .61, .36, 1);
  --aed-rule:        repeating-linear-gradient(90deg, var(--aed-graphite) 0 10px, transparent 10px 18px);
}

/* // 01 ---- normalization ------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--aed-paper);
  color: var(--aed-carbon);
  font-family: var(--aed-serif-text);
  font-size: clamp(1rem, .55vw + .9rem, 1.12rem);
  line-height: 1.68;
  font-optical-sizing: auto;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--aed-ember-ink); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--aed-ember); }
h1, h2, h3, h4 { font-family: var(--aed-serif-display); font-weight: 500; line-height: 1.14; color: var(--aed-carbon); margin: 0 0 .55em; letter-spacing: -.01em; }
p { margin: 0 0 1.05em; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.2em; }
li { margin: .35em 0; }
hr { border: 0; border-top: var(--aed-hairline); margin: 2rem 0; }
:focus-visible { outline: 3px solid var(--aed-ember); outline-offset: 2px; border-radius: 3px; }

.aed-a11y-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* // 02 ---- shared shell -------------------------------------------- */
.aed-frame { width: 100%; max-width: var(--aed-shell); margin-inline: auto; padding-inline: var(--aed-pad); }
.aed-frame--read { max-width: 62rem; }
.aed-jump {
  position: absolute; left: 1rem; top: -4rem; z-index: 60;
  background: var(--aed-carbon); color: var(--aed-pure); padding: .6rem 1rem;
  border-radius: var(--aed-corner); text-decoration: none; transition: top .18s var(--aed-ease);
}
.aed-jump:focus { top: 1rem; }

/* // 03 ---- masthead ------------------------------------------------ */
.aed-masthead { background: var(--aed-graphite); color: var(--aed-paper); }
.aed-masthead__top {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: .6rem 1.4rem; padding-block: 1.35rem .9rem;
}
.aed-wordmark { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; color: var(--aed-paper); }
.aed-wordmark img { width: 46px; height: 46px; }
.aed-wordmark__name { font-family: var(--aed-serif-display); font-size: 1.5rem; font-weight: 600; letter-spacing: .01em; display: block; }
.aed-wordmark__meta { display: block; font-size: .8rem; color: var(--aed-mist); letter-spacing: .16em; text-transform: uppercase; }
.aed-masthead__stamp { font-size: .82rem; color: var(--aed-mist); text-align: right; max-width: 30ch; }
.aed-masthead__stamp a { color: var(--aed-fog); }
.aed-masthead__rule { height: 3px; background: var(--aed-rule); opacity: .5; }

.aed-navline { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .7rem; }
.aed-navline__list { display: flex; flex-wrap: wrap; gap: .2rem 1.4rem; list-style: none; margin: 0; padding: 0; }
.aed-navline__link {
  display: inline-block; padding: .35rem 0; color: var(--aed-fog); text-decoration: none;
  font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; border-bottom: 2px solid transparent;
}
.aed-navline__link:hover { color: var(--aed-pure); border-bottom-color: var(--aed-ember); }
.aed-navline__link.is-current { color: var(--aed-pure); border-bottom-color: var(--aed-ember); }
.aed-navline__link--room { color: var(--aed-pure); }

.aed-navtoggle {
  display: none; width: 44px; height: 40px; border: var(--aed-hairline); border-radius: var(--aed-corner);
  background: transparent; cursor: pointer; padding: 0; position: relative;
}
.aed-navtoggle span, .aed-navtoggle span::before, .aed-navtoggle span::after {
  position: absolute; left: 50%; width: 20px; height: 2px; background: var(--aed-paper);
  transform: translateX(-50%); transition: transform .2s var(--aed-ease), opacity .2s var(--aed-ease);
}
.aed-navtoggle span { top: 19px; }
.aed-navtoggle span::before { content: ""; top: -6px; }
.aed-navtoggle span::after { content: ""; top: 6px; }
.aed-navtoggle[aria-expanded="true"] span { background: transparent; }
.aed-navtoggle[aria-expanded="true"] span::before { transform: translateX(-50%) rotate(45deg); top: 0; }
.aed-navtoggle[aria-expanded="true"] span::after { transform: translateX(-50%) rotate(-45deg); top: 0; }

/* // 04 ---- opening statement --------------------------------------- */
.aed-opening { background: var(--aed-paper); border-bottom: var(--aed-hairline); }
.aed-opening__inner { padding-block: clamp(2.4rem, 6vw, 4.4rem); max-width: 52rem; }
.aed-kicker {
  font-size: .78rem; letter-spacing: .22em; text-transform: uppercase; color: var(--aed-ember-ink);
  margin: 0 0 .9rem; font-weight: 600;
}
.aed-opening__title { font-size: clamp(2.3rem, 6.2vw, 4rem); margin-bottom: .5rem; }
.aed-opening__title em { font-style: italic; color: var(--aed-slate); }
.aed-opening__lead { font-size: clamp(1.08rem, 1.4vw, 1.3rem); color: var(--aed-slate); max-width: var(--aed-read); }
.aed-opening__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }

.aed-trigger {
  display: inline-flex; align-items: center; gap: .5rem; text-decoration: none;
  font-family: var(--aed-serif-text); font-size: .92rem; font-weight: 600; letter-spacing: .02em;
  padding: .72rem 1.25rem; border-radius: var(--aed-corner); border: 1.5px solid var(--aed-graphite);
  color: var(--aed-graphite); background: transparent; transition: background .16s var(--aed-ease), color .16s var(--aed-ease);
}
.aed-trigger::after { content: "\2192"; font-family: var(--aed-serif-text); transition: transform .16s var(--aed-ease); }
.aed-trigger:hover { background: var(--aed-graphite); color: var(--aed-pure); }
.aed-trigger:hover::after { transform: translateX(3px); }
.aed-trigger--solid { background: var(--aed-graphite); color: var(--aed-pure); }
.aed-trigger--solid:hover { background: var(--aed-ember-ink); border-color: var(--aed-ember-ink); color: var(--aed-pure); }
.aed-trigger--quiet { border-color: var(--aed-mist); color: var(--aed-slate); }

/* // 05 ---- chapter bands ------------------------------------------- */
.aed-chapter { padding-block: var(--aed-band); }
.aed-chapter--tint { background: var(--aed-fog); border-block: var(--aed-hairfog); }
.aed-chapter--ink { background: var(--aed-graphite); color: var(--aed-paper); }
.aed-chapter--ink h2, .aed-chapter--ink h3 { color: var(--aed-paper); }
.aed-chapter--ink a { color: var(--aed-mist); }
.aed-chapter--ink a:hover { color: var(--aed-pure); }
.aed-chapter__head { max-width: 46rem; margin-bottom: 2rem; }
.aed-h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.aed-h3 { font-size: 1.24rem; margin-top: 1.6rem; }
.aed-lede { color: var(--aed-slate); font-size: 1.08rem; max-width: var(--aed-read); }
.aed-chapter--ink .aed-lede { color: var(--aed-mist); }

/* // 06 ---- index of sections (home) -------------------------------- */
.aed-index { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: var(--aed-gap); }
.aed-slab {
  position: relative; display: flex; flex-direction: column; gap: .5rem;
  background: var(--aed-pure); border: var(--aed-hairline); border-top: 4px solid var(--aed-graphite);
  border-radius: var(--aed-corner); padding: 1.4rem 1.35rem 1.5rem; text-decoration: none; color: var(--aed-carbon);
  transition: transform .18s var(--aed-ease), box-shadow .18s var(--aed-ease), border-top-color .18s var(--aed-ease);
}
.aed-slab:hover { transform: translateY(-3px); box-shadow: var(--aed-elev-lift); border-top-color: var(--aed-ember); color: var(--aed-carbon); }
.aed-slab__label { font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--aed-ash); }
.aed-slab__title { font-family: var(--aed-serif-display); font-size: 1.4rem; font-weight: 600; }
.aed-slab__text { color: var(--aed-slate); font-size: .96rem; margin: 0; }
.aed-slab__go { margin-top: auto; padding-top: .6rem; font-size: .85rem; font-weight: 600; letter-spacing: .04em; color: var(--aed-ember-ink); }
.aed-slab__go::after { content: " \2192"; }

/* // 07 ---- split feature ------------------------------------------- */
.aed-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.4rem, 4vw, 3rem); align-items: center; }
.aed-split--flip .aed-figure { order: -1; }
.aed-figure { margin: 0; }
.aed-figure img, .aed-figure svg { width: 100%; border: var(--aed-hairline); border-radius: var(--aed-corner-lg); background: var(--aed-pure); }
.aed-figure figcaption { margin-top: .65rem; font-size: .88rem; color: var(--aed-ash); font-style: italic; }

/* // 08 ---- document layout (inner pages) --------------------------- */
.aed-layout { display: grid; grid-template-columns: 17rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.2rem); align-items: start; padding-block: var(--aed-band); }
.aed-rail { position: sticky; top: 1.2rem; border-top: 4px solid var(--aed-graphite); padding-top: 1.1rem; }
.aed-rail__title { font-family: var(--aed-serif-display); font-size: 1.15rem; font-weight: 600; margin-bottom: .4rem; }
.aed-rail__note { font-size: .85rem; color: var(--aed-ash); margin-bottom: 1rem; }
.aed-rail__list { list-style: none; margin: 0; padding: 0; border-top: var(--aed-hairfog); }
.aed-rail__list li { margin: 0; }
.aed-rail__link {
  display: block; padding: .55rem .2rem; border-bottom: var(--aed-hairfog);
  color: var(--aed-slate); text-decoration: none; font-size: .95rem;
}
.aed-rail__link:hover { color: var(--aed-ember-ink); padding-left: .45rem; transition: padding .15s var(--aed-ease); }

.aed-column { min-width: 0; }
.aed-trail { font-size: .82rem; color: var(--aed-ash); margin-bottom: 1.1rem; }
.aed-trail a { color: var(--aed-ash); }
.aed-title { font-size: clamp(2rem, 4.6vw, 3rem); margin-bottom: .35rem; }
.aed-title__tail { display: block; font-size: 1rem; font-family: var(--aed-serif-text); letter-spacing: .02em; color: var(--aed-ash); margin-top: .6rem; font-weight: 400; }

/* // 09 ---- prose --------------------------------------------------- */
.aed-prose > * { max-width: var(--aed-read); }
.aed-prose h2 { font-size: 1.7rem; margin-top: 2.2rem; }
.aed-prose h3 { font-size: 1.24rem; margin-top: 1.7rem; }
.aed-prose h2 + p, .aed-prose h3 + p { margin-top: -.2rem; }
.aed-prose blockquote {
  margin: 1.6rem 0; padding: .2rem 0 .2rem 1.3rem; border-left: 3px solid var(--aed-ember);
  font-style: italic; color: var(--aed-slate);
}
.aed-aside {
  max-width: var(--aed-read); background: var(--aed-fog); border: var(--aed-hairfog);
  border-left: 4px solid var(--aed-ember); border-radius: var(--aed-corner);
  padding: 1.1rem 1.25rem; margin: 1.6rem 0; font-size: .95rem;
}
.aed-aside strong { display: block; margin-bottom: .25rem; }

/* // 10 ---- entries (lists, news, publications) --------------------- */
.aed-log { list-style: none; margin: 0; padding: 0; border-top: var(--aed-hairline); }
.aed-entry { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: .4rem 1.4rem; padding: 1rem .2rem; border-bottom: var(--aed-hairline); align-items: start; }
.aed-entry__when { display: block; font-size: .82rem; letter-spacing: .04em; color: var(--aed-ash); text-transform: uppercase; line-height: 1.5; }
.aed-entry__body { min-width: 0; display: block; }
.aed-entry__title { display: block; font-family: var(--aed-serif-display); font-size: 1.12rem; font-weight: 600; margin: 0 0 .25rem; }
.aed-entry__title a { color: var(--aed-carbon); text-decoration: none; }
.aed-entry__title a:hover { color: var(--aed-ember-ink); text-decoration: underline; }
.aed-entry__meta { display: block; font-size: .9rem; color: var(--aed-slate); margin: 0; }
.aed-entry__tag { display: inline-block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--aed-ember-ink); border: 1px solid var(--aed-ember); border-radius: 20px; padding: .1rem .6rem; margin-left: .4rem; vertical-align: middle; }

.aed-subhead { font-family: var(--aed-serif-display); font-size: 1.4rem; font-weight: 600; margin: 2.3rem 0 1rem; padding-bottom: .4rem; border-bottom: 2px solid var(--aed-graphite); }
.aed-subhead:first-child { margin-top: 0; }

.aed-chapter--ink .aed-kicker { color: #dca7ac; }
.aed-chapter--ink .aed-log { border-top-color: var(--aed-slate); }
.aed-chapter--ink .aed-entry { border-bottom-color: rgba(198, 202, 205, .22); }
.aed-chapter--ink .aed-entry__title a { color: var(--aed-pure); }
.aed-chapter--ink .aed-entry__title a:hover { color: var(--aed-pure); text-decoration: underline; }
.aed-chapter--ink .aed-entry__when { color: var(--aed-mist); }
.aed-chapter--ink .aed-entry__meta { color: var(--aed-mist); }

/* // 11 ---- panels, facts, contact --------------------------------- */
.aed-panel { background: var(--aed-pure); border: var(--aed-hairline); border-radius: var(--aed-corner); padding: 1.5rem 1.5rem; }
.aed-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1.2rem; }
.aed-fact { border-top: 3px solid var(--aed-ember); padding-top: .7rem; }
.aed-fact__num { font-family: var(--aed-serif-display); font-size: 1.9rem; font-weight: 600; }
.aed-fact__label { font-size: .85rem; color: var(--aed-slate); }
.aed-kv { list-style: none; margin: 0 0 1rem; padding: 0; }
.aed-kv li { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: .4rem 1rem; padding: .55rem 0; border-bottom: var(--aed-hairfog); }
.aed-kv dt, .aed-kv__k { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--aed-ash); }

.aed-checklist { list-style: none; margin: 0; padding: 0; }
.aed-checklist li { position: relative; padding-left: 1.7rem; margin: .55rem 0; }
.aed-checklist li::before {
  content: ""; position: absolute; left: 0; top: .55em; width: .7rem; height: .38rem;
  border-left: 2px solid var(--aed-ember); border-bottom: 2px solid var(--aed-ember); transform: rotate(-45deg);
}
.aed-chapter--ink .aed-checklist li::before { border-color: var(--aed-ember); }

/* // 12 ---- coda (footer) ------------------------------------------- */
.aed-coda { background: var(--aed-carbon); color: var(--aed-mist); padding-top: var(--aed-band); }
.aed-coda__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; padding-bottom: 2.2rem; }
.aed-coda__brand { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.aed-coda__brand img { width: 40px; height: 40px; }
.aed-coda__brand b { font-family: var(--aed-serif-display); color: var(--aed-pure); font-size: 1.15rem; }
.aed-coda__col h2 { color: var(--aed-pure); font-size: .82rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: .8rem; font-family: var(--aed-serif-text); font-weight: 600; }
.aed-coda__col a { display: block; color: var(--aed-mist); text-decoration: none; padding: .22rem 0; font-size: .95rem; }
.aed-coda__col a:hover { color: var(--aed-pure); text-decoration: underline; }
.aed-coda__base { border-top: 1px solid rgba(198, 202, 205, .2); padding-block: 1.2rem; display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; justify-content: space-between; font-size: .84rem; }
.aed-coda__base a { color: var(--aed-fog); }

/* // 13 ---- responsive --------------------------------------------- */
@media (max-width: 900px) {
  .aed-split { grid-template-columns: 1fr; }
  .aed-split--flip .aed-figure { order: 0; }
  .aed-layout { grid-template-columns: 1fr; }
  .aed-rail { position: static; }
  .aed-coda__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .aed-navtoggle { display: block; }
  .aed-navline { align-items: center; }
  .aed-navline__list {
    position: absolute; left: 0; right: 0; top: 100%; z-index: 40;
    flex-direction: column; gap: 0; background: var(--aed-graphite);
    border-top: var(--aed-hairline); padding: .5rem var(--aed-pad) 1rem;
    display: none;
  }
  .aed-navline { position: relative; flex-wrap: wrap; }
  .aed-navline.is-open .aed-navline__list { display: flex; }
  .aed-navline__link { border-bottom: var(--aed-hairfog); width: 100%; padding-block: .7rem; }
  .aed-entry { grid-template-columns: 1fr; gap: .15rem; }
  .aed-entry__when { order: -1; }
  .aed-kv li { grid-template-columns: 1fr; }
  .aed-coda__grid { grid-template-columns: 1fr; }
}

/* // 14 ---- motion preferences ------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}
[data-aed-rise] { opacity: 0; transform: translateY(14px); transition: opacity .5s var(--aed-ease), transform .5s var(--aed-ease); }
[data-aed-rise].is-shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-aed-rise] { opacity: 1; transform: none; } }

/* // 15 ---- print --------------------------------------------------- */
@media print {
  .aed-masthead, .aed-coda, .aed-navtoggle, .aed-opening__cta { display: none; }
  body { background: #fff; }
}