/* ==========================================================================
   FORUM HABITER ENSEMBLE — Édition Montréal, Avril 2027
   Direction artistique : « Tactile Print Zine & Neighborhood Bulletin »
   Imprimé communautaire, risographie montréalaise & bulletin de quartier
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* Paper & Ink Palette — Tactile Print Zine (Montréal) */
  --paper: #F3EFE6;            /* Unbleached newsprint / wheatpaste poster paper */
  --paper-secondary: #E8E2D5;  /* Aged Montreal limestone grey-beige */
  --paper-sheet: #F8F5EE;      /* Crisp zine inner sheet (never sterile #FFF) */
  --ink: #181816;              /* Heavy risograph charcoal-black (wrought-iron) */
  --ink-muted: #4A4843;        /* Overprinted secondary charcoal ink */

  /* Risograph & Urban Accents */
  --terracotta: #C24B32;       /* St-Laurent red-brick / terracotta orange */
  --terracotta-dark: #9E3822;  /* Deep overprinted brick ink */
  --terracotta-tint: #F5E1DC;  /* Light terracotta riso wash */
  --ruelle-green: #2B5B44;     /* Ruelle verte forest green */
  --ruelle-tint: #DCE8E1;      /* Soft ruelle verte riso wash */
  --depanneur-yellow: #E2A83E; /* Hand-painted dépanneur sign yellow */
  --depanneur-tint: #F7EBD2;   /* Warm yellow notice paper */

  /* Structural Rules & Tear-Off Borders (0px to 3px radius strictly) */
  --rule-strong: 2px solid #181816;
  --rule-thin: 1px solid #181816;
  --rule-dashed: 1.5px dashed #181816;
  --radius-zine: 2px;

  /* Typography — Fraunces + Public Sans + IBM Plex Mono */
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --container-max: 1320px;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  background-color: var(--paper);
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.62;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Subtle SVG Paper Grain / Risograph Fiber Overlay (No CSS Gradients) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.26;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0.09 0 0 0 0 0.09 0 0 0 0 0.08 0 0 0 0.16 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img,
svg {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

a {
  color: var(--ink);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.22em;
  transition: color 0.15s ease, background-color 0.15s ease;
}

a:hover {
  color: var(--terracotta);
}

:focus-visible {
  outline: 3px solid var(--terracotta);
  outline-offset: 3px;
}

.visually-hidden:where(:not(:focus-within, :active)) {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  inline-size: 1px !important;
  block-size: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

.skip-link {
  position: absolute;
  inset-block-start: -120px;
  inset-inline-start: 1rem;
  z-index: 300;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
}

.skip-link:focus {
  inset-block-start: 1rem;
}

.shell {
  inline-size: 100%;
  max-inline-size: var(--container-max);
  margin-inline: auto;
  border-inline: var(--rule-strong);
  background-color: var(--paper);
}

/* ==========================================================================
   Rubber Stamps & Rotated Zine Badges (-1deg)
   ========================================================================== */

.zine-stamp {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  background-color: var(--depanneur-yellow);
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-zine);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transform: rotate(-1deg);
  box-shadow: 2px 2px 0 var(--ink);
}

.zine-stamp--terracotta {
  background-color: var(--terracotta);
  color: var(--paper);
  transform: rotate(-1deg);
}

.zine-stamp--ruelle {
  background-color: var(--ruelle-green);
  color: var(--paper);
  transform: rotate(-1deg);
}

/* ==========================================================================
   Top Technical Bar & Masthead Navigation
   ========================================================================== */

.tech-bar {
  border-block-end: var(--rule-thin);
  background-color: var(--paper-secondary);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink);
}

.tech-bar-inner {
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding: 0.5rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  border-inline: var(--rule-strong);
}

.tech-bar strong {
  color: var(--ink);
  font-weight: 700;
  background-color: var(--depanneur-yellow);
  padding: 0.08rem 0.38rem;
  border: 1px solid var(--ink);
  display: inline-block;
  transform: rotate(-1deg);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background-color: var(--paper-secondary);
  border-block-end: var(--rule-strong);
}

.header-inner {
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
  min-block-size: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-inline: var(--rule-strong);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.brand-mark {
  inline-size: 40px;
  block-size: 40px;
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  background-color: var(--paper);
  box-shadow: 2px 2px 0 var(--ink);
  flex-shrink: 0;
}

.brand-mark span {
  display: block;
}

.brand-mark span:nth-child(1) {
  background-color: var(--terracotta);
  border-inline-end: 1px solid var(--ink);
  border-block-end: 1px solid var(--ink);
}

.brand-mark span:nth-child(2) {
  background-color: var(--paper);
  border-block-end: 1px solid var(--ink);
}

.brand-mark span:nth-child(3) {
  background-color: var(--ruelle-green);
  border-inline-end: 1px solid var(--ink);
}

.brand-mark span:nth-child(4) {
  background-color: var(--depanneur-yellow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.08;
}

.brand-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-block-start: 2px;
}

/* Montreal Triplex Wrought-Iron Spiral Staircase Motif in Header */
.mtl-stair-motif {
  display: none;
  align-items: center;
  gap: 0.45rem;
  padding-inline: 0.65rem;
  border-inline: var(--rule-dashed);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (min-width: 1180px) {
  .mtl-stair-motif {
    display: inline-flex;
  }
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-block-size: 44px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--ink);
}

.nav-links a:hover {
  color: var(--terracotta);
  text-decoration: underline;
}

/* Physical Ink Stamp Switch for FR / EN */
.lang-switch {
  display: inline-flex;
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  background-color: var(--paper);
  padding: 2px;
  gap: 2px;
  box-shadow: 2px 2px 0 var(--ink);
  transform: rotate(-1deg);
}

.lang-btn {
  border: 1px solid transparent;
  border-radius: 1px;
  background-color: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  min-inline-size: 38px;
  min-block-size: 34px;
  padding: 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.lang-btn[aria-pressed="true"] {
  background-color: var(--terracotta);
  color: var(--paper);
  border-color: var(--ink);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: 44px;
  min-block-size: 44px;
  padding: 0.5rem 0.75rem;
  background-color: var(--paper);
  color: var(--ink);
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  box-shadow: 2px 2px 0 var(--ink);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

@media (max-width: 980px) {
  .nav-menu {
    position: fixed;
    inset-block-start: 74px;
    inset-inline: 0;
    background-color: var(--paper-secondary);
    border-block-end: var(--rule-strong);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem;
    gap: 0.75rem;
  }

  .nav-menu[hidden] {
    display: none;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-links li {
    border-block-end: var(--rule-thin);
  }
}

@media (min-width: 981px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu[hidden] {
    display: flex;
  }
}

/* ==========================================================================
   Buttons (Tactile Print Stamp Style — 0px to 3px radius, Zero Pill)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-block-size: 48px;
  padding: 0.75rem 1.3rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  background-color: var(--paper);
  color: var(--ink);
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.btn-sm {
  min-block-size: 40px;
  padding: 0.45rem 0.85rem;
  font-size: 0.74rem;
}

.btn-primary {
  background-color: var(--terracotta);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}

.btn-primary:hover {
  background-color: var(--terracotta-dark);
  color: var(--paper);
}

.btn-outline {
  background-color: var(--paper);
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}

.btn-outline:hover {
  background-color: var(--ruelle-green);
  color: var(--paper);
}

@media (prefers-reduced-motion: no-preference) {
  .btn-primary:hover,
  .btn-outline:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0 var(--ink);
  }

  .btn-primary:active,
  .btn-outline:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--ink);
  }
}

/* ==========================================================================
   Hero Poster / Risograph Print Block (FIG. 01)
   ========================================================================== */

.hero {
  border-block-end: var(--rule-strong);
}

.hero-top-grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 980px) {
  .hero-top-grid {
    grid-template-columns: 1.12fr 0.88fr;
  }
}

.hero-editorial {
  padding: clamp(2rem, 4.5vw, 3.5rem) clamp(1.25rem, 3.5vw, 2.75rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-block-end: var(--rule-strong);
  background-color: var(--paper);
}

@media (min-width: 980px) {
  .hero-editorial {
    border-block-end: 0;
    border-inline-end: var(--rule-strong);
  }
}

.hero-kicker {
  display: inline-block;
  align-self: flex-start;
  padding: 0.25rem 0.65rem;
  background-color: var(--depanneur-yellow);
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-zine);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
  font-weight: 700;
  margin-block-end: 1.35rem;
  transform: rotate(-1deg);
  box-shadow: 2px 2px 0 var(--ink);
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 1.4rem + 3.4vw, 4.4rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0 0 1.1rem;
  color: var(--ink);
}

h1 em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  color: var(--terracotta);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 0.95rem + 1.1vw, 1.65rem);
  line-height: 1.3;
  margin: 0 0 1.25rem;
  color: var(--ruelle-green);
}

.hero-description {
  font-size: 1.02rem;
  color: var(--ink);
  max-inline-size: 62ch;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Right Column: Hand-Inked Architectural Stamp / Risograph Print on Warm Paper */
.hero-blueprint {
  background-color: var(--paper-secondary);
  color: var(--ink);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.blueprint-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  border-block-end: var(--rule-dashed);
  padding-block-end: 0.75rem;
  margin-block-end: 1.1rem;
}

.blueprint-svg-wrap {
  margin-block: auto;
  padding: 0.5rem;
  background-color: var(--paper);
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  box-shadow: 4px 4px 0 var(--ink);
}

.blueprint-svg {
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 4 / 3;
}

.blueprint-svg .plan-zone {
  cursor: pointer;
  fill: var(--paper-sheet);
  transition: fill 0.15s ease;
}

.blueprint-svg .plan-zone--terracotta:hover,
.blueprint-svg .plan-link:focus .plan-zone--terracotta {
  fill: var(--terracotta-tint);
}

.blueprint-svg .plan-zone--ruelle:hover,
.blueprint-svg .plan-link:focus .plan-zone--ruelle {
  fill: var(--ruelle-tint);
}

.blueprint-svg .plan-zone--yellow:hover,
.blueprint-svg .plan-link:focus .plan-zone--yellow {
  fill: var(--depanneur-tint);
}

.blueprint-svg .plan-zone--center {
  fill: var(--terracotta);
}

.blueprint-svg .plan-zone--center:hover,
.blueprint-svg .plan-link:focus .plan-zone--center {
  fill: var(--terracotta-dark);
}

.blueprint-caption {
  margin-block-start: 1.15rem;
  padding-block-start: 0.85rem;
  border-block-start: var(--rule-dashed);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.fig-stamp {
  background-color: var(--ink);
  color: var(--paper);
  padding: 0.15rem 0.45rem;
  font-weight: 700;
  border-radius: var(--radius-zine);
  flex-shrink: 0;
}

/* Hero Bottom Metadata Strip */
.hero-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 0;
  border-block-start: var(--rule-strong);
  background-color: var(--paper-secondary);
}

.spec-cell {
  padding: 1.1rem 1.4rem;
  border-block-end: var(--rule-thin);
  border-inline-end: var(--rule-thin);
}

.spec-cell dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin-block-end: 0.25rem;
}

.spec-cell dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
}

/* Convergence Ribbon */
.convergence-bar {
  background-color: var(--ink);
  color: var(--paper);
  border-block-end: var(--rule-strong);
  padding: 0.85rem 1.5rem;
}

.convergence-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.convergence-label {
  background-color: var(--depanneur-yellow);
  color: var(--ink);
  padding: 0.15rem 0.5rem;
  font-weight: 700;
  border-radius: var(--radius-zine);
  transform: rotate(-1deg);
}

.convergence-orgs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.convergence-orgs li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.convergence-orgs li + li::before {
  content: "×";
  margin-inline-end: 0.7rem;
  color: var(--terracotta);
  font-weight: 700;
}

.org-mini-icon {
  inline-size: 20px;
  block-size: 20px;
  object-fit: contain;
  background-color: var(--paper);
  border: 1px solid var(--paper);
  border-radius: var(--radius-zine);
  padding: 1px;
  flex-shrink: 0;
}

/* ==========================================================================
   Zine Split Layout (Index Rail + Content Column)
   ========================================================================== */

.chapter {
  border-block-end: var(--rule-strong);
}

.chapter-grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 960px) {
  .chapter-grid {
    grid-template-columns: 300px 1fr;
  }
}

.chapter-rail {
  padding: clamp(1.75rem, 3.5vw, 2.75rem) 1.5rem;
  border-block-end: var(--rule-thin);
  background-color: var(--paper-secondary);
}

@media (min-width: 960px) {
  .chapter-rail {
    border-block-end: 0;
    border-inline-end: var(--rule-strong);
  }

  .chapter-rail-sticky {
    position: sticky;
    inset-block-start: 96px;
  }
}

.chapter-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: var(--terracotta);
  color: var(--paper);
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius-zine);
  margin-block-end: 0.75rem;
  transform: rotate(-1deg);
}

.chapter-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 1.1rem + 1.2vw, 1.95rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 0.85rem;
  color: var(--ink);
}

.chapter-lead {
  font-size: 0.93rem;
  color: var(--ink-muted);
  margin: 0;
}

.chapter-body {
  padding: clamp(1.75rem, 4vw, 3rem);
}

.chapter-body--flush {
  padding: 0;
}

/* ==========================================================================
   Chapter 01: Diagnostic & Manifesto
   ========================================================================== */

.manifesto-lead {
  padding: clamp(1.75rem, 4vw, 2.75rem);
  border-block-end: var(--rule-strong);
  background-color: var(--paper-sheet);
}

.manifesto-quote {
  margin: 0;
  padding-inline-start: 1.25rem;
  border-inline-start: 4px solid var(--terracotta);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.3rem, 0.95rem + 1.4vw, 1.95rem);
  line-height: 1.3;
  color: var(--ink);
}

.manifesto-sub {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  color: var(--ink-muted);
  max-inline-size: 72ch;
}

.matrix-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.matrix-4 {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .matrix-4 {
    grid-template-columns: 1fr 1fr;
  }
}

.matrix-cell {
  padding: 1.85rem 1.65rem;
  border-block-end: var(--rule-thin);
  border-inline-end: var(--rule-thin);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.cell-index {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--terracotta);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-block-end: var(--rule-dashed);
  padding-block-end: 0.45rem;
}

.matrix-cell h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0.6rem 0 0.5rem;
}

.matrix-cell p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.cell-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background-color: var(--ruelle-tint);
  color: var(--ruelle-green);
  border: 1px solid var(--ruelle-green);
  border-radius: var(--radius-zine);
  padding: 0.15rem 0.45rem;
  font-weight: 700;
}

/* ==========================================================================
   Chapter 02: Les 4 Chantiers Institutionnels
   ========================================================================== */

.tracks-table {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .tracks-table {
    grid-template-columns: 1fr 1fr;
  }
}

.track-box {
  padding: clamp(1.5rem, 3vw, 2.35rem);
  border-block-end: var(--rule-thin);
  border-inline-end: var(--rule-thin);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  transition: background-color 0.15s ease;
}

.track-box:hover {
  background-color: var(--paper-sheet);
}

.track-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-block-end: var(--rule-strong);
  padding-block-end: 0.75rem;
}

.track-code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  background-color: var(--ink);
  color: var(--paper);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-zine);
}

#track-02 .track-code,
#track-04 .track-code {
  background-color: var(--ruelle-green);
}

#track-05 .track-code {
  background-color: var(--terracotta);
}

@media (min-width: 760px) {
  .track-box--featured {
    grid-column: 1 / -1;
    background-color: var(--paper-sheet);
    border-block-start: var(--rule-strong);
  }
}

.track-stakeholders {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.track-box h3 {
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 700;
  margin: 0.75rem 0 0.55rem;
}

.track-box p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.track-deliverable {
  padding-block-start: 0.75rem;
  border-block-start: var(--rule-dashed);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--terracotta);
}

/* ==========================================================================
   Chapter 03: Programme sur 2 Jours (Symposium + Unconference Ruelle Verte)
   ========================================================================== */

.schedule-split {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 820px) {
  .schedule-split {
    grid-template-columns: 1fr 1fr;
  }
}

.day-column {
  border-block-end: var(--rule-thin);
  background-color: var(--paper);
}

@media (min-width: 820px) {
  .day-column + .day-column {
    border-inline-start: var(--rule-strong);
  }
}

.day-banner {
  padding: 1.45rem 1.85rem;
  background-color: var(--ink);
  color: var(--paper);
  border-block-end: var(--rule-strong);
}

.day-column--alt .day-banner {
  background-color: var(--ruelle-green);
  color: var(--paper);
}

.day-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--depanneur-yellow);
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius-zine);
  padding: 0.12rem 0.45rem;
  display: inline-block;
  margin-block-end: 0.45rem;
  transform: rotate(-1deg);
}

.day-banner h3 {
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 700;
  margin: 0;
  color: var(--paper);
}

.slot-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.slot-item {
  padding: 1.35rem 1.85rem;
  border-block-end: var(--rule-thin);
  display: grid;
  gap: 0.35rem;
}

.slot-time {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--terracotta);
}

.day-column--alt .slot-time {
  color: var(--ruelle-green);
}

.slot-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ink);
}

.slot-desc {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

/* Tear-Off Flyer Callout for Lieux en évaluation */
.venue-strip {
  margin: 1.25rem;
  padding: 1.25rem 1.5rem;
  background-color: var(--paper-secondary);
  border: var(--rule-dashed);
  border-radius: var(--radius-zine);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.venue-strip strong {
  background-color: var(--depanneur-yellow);
  color: var(--ink);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--ink);
  display: inline-block;
  transform: rotate(-1deg);
  margin-inline-end: 0.35rem;
}

/* ==========================================================================
   Chapter 04: Coalition & Visages Initiateurs
   ========================================================================== */

.coalition-intro {
  padding: 1.75rem 2rem;
  border-block-end: var(--rule-strong);
  background-color: var(--paper-sheet);
}

.coalition-intro p {
  margin: 0;
  font-size: 1.02rem;
  max-inline-size: 75ch;
}

.orgs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  border-block-end: var(--rule-strong);
}

.org-tile {
  padding: 1.75rem;
  border-inline-end: var(--rule-thin);
  border-block-end: var(--rule-thin);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.org-role {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ruelle-green);
}

.org-brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-block: 0.45rem 0.6rem;
}

.org-icon {
  inline-size: 38px;
  block-size: 38px;
  object-fit: contain;
  background-color: var(--paper-sheet);
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  padding: 3px;
  box-shadow: 2px 2px 0 var(--ink);
  flex-shrink: 0;
}

.org-tile h3 {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  margin: 0;
}

.org-tile p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.org-link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  border-block-end: 1.5px solid var(--ink);
  align-self: flex-start;
  padding-block-end: 2px;
}

.org-link:hover {
  color: var(--terracotta);
  border-color: var(--terracotta);
}

.people-roster {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  border-block-end: var(--rule-strong);
}

.person-cell {
  padding: 1.5rem 1.65rem;
  border-inline-end: var(--rule-thin);
  border-block-end: var(--rule-thin);
  background-color: var(--paper-sheet);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
}

.person-top {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.person-avatar {
  inline-size: 56px;
  block-size: 56px;
  object-fit: cover;
  object-position: center 25%;
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  background-color: var(--paper-secondary);
  box-shadow: 2px 2px 0 var(--ink);
  flex-shrink: 0;
}

.person-monogram {
  inline-size: 46px;
  block-size: 46px;
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  background-color: var(--paper-secondary);
  box-shadow: 2px 2px 0 var(--ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.person-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
}

.person-affil {
  margin: 0.15rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--terracotta);
}

.person-bio {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.ecosystem-ledger {
  padding: 1.75rem 2rem;
  background-color: var(--paper-secondary);
}

.ecosystem-ledger h3 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.9rem;
  color: var(--ink);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag-cloud li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: var(--rule-thin);
  border-radius: var(--radius-zine);
  background-color: var(--paper);
  padding: 0.32rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
}

.tag-partner-icon {
  inline-size: 16px;
  block-size: 16px;
  object-fit: contain;
  flex-shrink: 0;
}

/* ==========================================================================
   Chapter 05: Fiche d'Intérêt & Partenariat (Tear-Off Bulletin Form)
   ========================================================================== */

.dossier-header {
  padding: 1.15rem 2rem;
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  border-block-end: var(--rule-strong);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.dossier-status-stamp {
  background-color: var(--depanneur-yellow);
  color: var(--ink);
  padding: 0.2rem 0.6rem;
  border: 1.5px solid var(--paper);
  border-radius: var(--radius-zine);
  font-weight: 700;
  transform: rotate(-1deg);
}

.dossier-grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 920px) {
  .dossier-grid {
    grid-template-columns: 1.25fr 0.75fr;
  }
}

.interest-form {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  background-color: var(--paper-secondary);
  border-block-end: var(--rule-dashed);
}

@media (min-width: 920px) {
  .interest-form {
    border-block-end: 0;
    border-inline-end: var(--rule-dashed);
  }
}

.form-aside {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background-color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.aside-block h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.aside-list {
  margin: 0;
  padding-inline-start: 1.15rem;
  display: grid;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

.aside-list strong {
  color: var(--ink);
}

/* Tear-Off Coupon Box for External Google Form */
.gform-callout {
  padding: 1.25rem;
  border: var(--rule-dashed);
  border-radius: var(--radius-zine);
  background-color: var(--paper-secondary);
}

.gform-callout p {
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
}

.form-error-summary {
  padding: 1rem 1.25rem;
  margin-block-end: 1.5rem;
  background-color: var(--terracotta-tint);
  border: 2px solid var(--terracotta);
  border-radius: var(--radius-zine);
  color: var(--terracotta-dark);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.form-error-summary[hidden] {
  display: none;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 1.25rem;
}

@media (min-width: 620px) {
  .form-row-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.3rem;
  margin-block-end: 1.35rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.required-mark {
  color: var(--terracotta);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-block-end: 0.15rem;
}

.form-control {
  font: inherit;
  font-size: max(1rem, 1em);
  inline-size: 100%;
  min-block-size: 48px;
  padding: 0.7rem 0.85rem;
  color: var(--ink);
  background-color: var(--paper);
  border: var(--rule-strong);
  border-radius: var(--radius-zine);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

textarea.form-control {
  min-block-size: 120px;
  resize: vertical;
}

.form-control:is(:user-invalid, [aria-invalid="true"]) {
  border-color: var(--terracotta);
  background-color: var(--terracotta-tint);
}

.form-control:user-valid {
  border-color: var(--ruelle-green);
}

.field-error {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--terracotta-dark);
  margin-block-start: 0.25rem;
}

.form-control:is(:user-invalid, [aria-invalid="true"]) + .field-error,
.field-error.is-visible {
  display: block;
}

.form-fieldset {
  border: var(--rule-dashed);
  border-radius: var(--radius-zine);
  padding: 1.15rem;
  margin-inline: 0;
  margin-block: 0 1.45rem;
  background-color: var(--paper);
}

.form-fieldset legend {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding: 0.1rem 0.5rem;
  background-color: var(--depanneur-yellow);
  border: 1px solid var(--ink);
  border-radius: var(--radius-zine);
  transform: rotate(-1deg);
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  margin-block-start: 0.35rem;
}

@media (min-width: 620px) {
  .choice-grid--2col {
    grid-template-columns: 1fr 1fr;
  }
}

.choice-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  min-block-size: 48px;
  padding: 0.65rem 0.75rem;
  background-color: var(--paper-sheet);
  border: var(--rule-thin);
  border-radius: var(--radius-zine);
  cursor: pointer;
}

.choice-item:has(input:checked) {
  border: var(--rule-strong);
  background-color: var(--depanneur-tint);
  box-shadow: 2px 2px 0 var(--ink);
}

.choice-item input[type="radio"],
.choice-item input[type="checkbox"] {
  accent-color: var(--terracotta);
  inline-size: 18px;
  block-size: 18px;
  margin-block-start: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.choice-item label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  flex: 1;
}

.form-submit-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-start: 1rem;
  padding-block-start: 1rem;
  border-block-start: var(--rule-dashed);
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
  margin: 0;
}

.submission-panel {
  margin-block-start: 1.75rem;
  padding: 1.5rem;
  background-color: var(--ruelle-tint);
  border: var(--rule-dashed);
  border-radius: var(--radius-zine);
}

.submission-panel[hidden] {
  display: none;
}

.submission-panel h3 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.submission-summary {
  background-color: var(--paper);
  border: var(--rule-thin);
  border-radius: var(--radius-zine);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  margin-block: 1rem;
}

.submission-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ==========================================================================
   Chapter 06: Précisions / FAQ (Native <details>/<summary>)
   ========================================================================== */

.faq-list {
  display: grid;
}

.faq-item {
  border-block-end: var(--rule-thin);
  background-color: var(--paper);
}

.faq-item[open] {
  background-color: var(--paper-sheet);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-block-size: 62px;
  padding: 1.15rem 2rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--ink);
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "[+]";
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--terracotta);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: "[−]";
  color: var(--ruelle-green);
}

.faq-answer {
  padding: 0 2rem 1.5rem;
  color: var(--ink-muted);
  max-inline-size: 74ch;
}

.faq-answer p {
  margin: 0;
}

/* ==========================================================================
   Footer Colophon & Montreal Cornice / Escalier Line-Art
   ========================================================================== */

.site-footer {
  background-color: var(--ink);
  color: var(--paper);
  border-block-start: var(--rule-strong);
}

.footer-grid {
  max-inline-size: var(--container-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  border-inline: 1px solid rgba(243, 239, 230, 0.22);
}

@media (min-width: 780px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.footer-col {
  padding: 2.5rem 2rem;
  border-block-end: 1px solid rgba(243, 239, 230, 0.22);
  border-inline-end: 1px solid rgba(243, 239, 230, 0.22);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 0 0.65rem;
  color: var(--paper);
}

.footer-motif-box {
  margin-block-start: 1.1rem;
  padding-block-start: 0.85rem;
  border-block-start: 1px dashed rgba(243, 239, 230, 0.35);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--depanneur-yellow);
  margin: 0 0 1rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.footer-links a {
  color: var(--paper);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--depanneur-yellow);
  text-decoration: underline;
}

.footer-colophon {
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding: 1.25rem 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(243, 239, 230, 0.75);
}

@media (pointer: coarse) {
  .form-control,
  .btn,
  .choice-item {
    min-block-size: 52px;
  }
}