/* ===========================================================
   PLEINE LUMIÈRE
   Feuille unique. Aucune ressource externe, aucune police
   téléchargée, aucun script.
   Idée directrice : la lumière et l'ombre. Fond papier chaud,
   panneaux graphite, ambre de laboratoire, bleu d'heure bleue.
   Motif signature : la grille des tiers + les coins de viseur.
   =========================================================== */

:root{
  /* matière */
  --fond:            #fbf8f2;
  --fond-creux:      #f2ebdd;
  --fond-creux-2:    #e9e0cd;
  --graphite:        #14161a;
  --graphite-2:      #1d2127;
  --graphite-voile:  rgba(20, 22, 26, .86);

  /* lumière */
  --ambre:           #a9500f;   /* lisible sur fond clair */
  --ambre-vif:       #e2913c;   /* lisible sur graphite   */
  --ambre-pale:      #f6dcb8;
  --ombre-bleue:     #24405c;
  --ombre-bleue-2:   #3d6288;

  /* texte */
  --plume:           #23262b;
  --plume-douce:     #5f625f;
  --plume-claire:    #cfc8ba;
  --plume-inverse:   #f4efe5;

  /* traits */
  --trait:           rgba(20, 22, 26, .14);
  --trait-fin:       rgba(20, 22, 26, .08);
  --trait-clair:     rgba(244, 239, 229, .18);

  /* typographie : uniquement des familles présentes sur les systèmes */
  --serif: Charter, "Charis SIL", "Iowan Old Style", "Hoefler Text", Constantia, Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", Avenir, "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --chiffres: ui-monospace, "SF Mono", "IBM Plex Mono", "Roboto Mono", Menlo, Consolas, monospace;

  /* rythme */
  --pas: clamp(3.4rem, 7.5vw, 6rem);
  --gouttiere: clamp(1.1rem, 4vw, 2.4rem);
  --colonne: 39rem;
  --arrondi: 3px;
}

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

html{
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body{
  margin: 0;
  background: var(--fond);
  color: var(--plume);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.72;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg{ max-width: 100%; display: block; }

/* si un visuel manque, l'alternative textuelle reste lisible
   sur le dégradé du cadre : jamais de rectangle gris vide */
img{
  height: auto;
  font: italic .78rem/1.5 var(--sans);
  color: rgba(244, 239, 229, .5);
}

a{ color: var(--ambre); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover{ color: var(--graphite); }

p{ margin: 0 0 1.15em; }
ul, ol{ margin: 0 0 1.3em; padding-left: 1.2em; }
li{ margin-bottom: .5em; }
strong{ font-weight: 650; }

::selection{ background: var(--ambre-pale); color: var(--graphite); }

:focus-visible{
  outline: 2px solid var(--ambre);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ------------------------------------------------ ossature */

.enveloppe{
  width: 100%;
  max-width: 74rem;
  margin-inline: auto;
  padding-inline: var(--gouttiere);
}

.enveloppe--lecture{ max-width: 52rem; }

.evitement{
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--graphite);
  color: var(--plume-inverse);
  padding: .7rem 1.1rem;
  z-index: 200;
}
.evitement:focus{ left: .6rem; top: .6rem; }

/* ------------------------------------------------ en-tête */

.viseur{
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(251, 248, 242, .92);
  backdrop-filter: saturate(150%) blur(9px);
  -webkit-backdrop-filter: saturate(150%) blur(9px);
  border-bottom: 1px solid var(--trait-fin);
}

.viseur__rang{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .72rem;
  flex-wrap: wrap;
}
/* sans cela, la barre de rubriques impose sa largeur minimale
   a toute la page et fait deborder le petit ecran */
.viseur__rang > *{ min-width: 0; max-width: 100%; }

.enseigne{
  display: inline-flex;
  align-items: center;
  gap: .58rem;
  text-decoration: none;
  color: var(--graphite);
}
.enseigne__diaphragme{ width: 26px; height: 26px; flex: none; }
.enseigne__nom{
  font-family: var(--serif);
  font-size: 1.16rem;
  letter-spacing: .015em;
  line-height: 1;
}
.enseigne__nom b{ font-weight: 600; }
.enseigne__nom span{ color: var(--ambre); font-style: italic; }

.barre{
  display: flex;
  align-items: center;
  gap: clamp(.85rem, 2.4vw, 1.7rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.barre a{
  color: var(--plume);
  text-decoration: none;
  font-size: .765rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  padding-block: .35rem;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  display: block;
}
.barre a:hover,
.barre a[aria-current="page"]{
  color: var(--ambre);
  border-bottom-color: var(--ambre);
}

@media (max-width: 620px){
  .viseur__rang{ padding-block: .6rem .2rem; }
  .viseur__rang > nav{ width: 100%; }
  .barre{
    width: 100%;
    overflow-x: auto;
    padding-bottom: .55rem;
    gap: 1.15rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .barre::-webkit-scrollbar{ display: none; }
}

/* ------------------------------------------------ cadres d'image */

.cliche{
  position: relative;
  overflow: hidden;
  border-radius: var(--arrondi);
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(226, 145, 60, .55), transparent 62%),
    linear-gradient(155deg, var(--ombre-bleue) 0%, var(--graphite) 58%, #0d0f12 100%);
  display: grid;
  place-items: center;
  min-height: 160px;
}
.cliche > img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  grid-area: 1 / 1;
  padding: 1rem;
}
.cliche--photo > img{ padding: 0; }

/* grille des tiers, le motif signature */
.cliche::after{
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(to right,
      transparent 0 calc(33.333% - .5px),
      rgba(255, 255, 255, .16) calc(33.333% - .5px) calc(33.333% + .5px),
      transparent calc(33.333% + .5px) calc(66.666% - .5px),
      rgba(255, 255, 255, .16) calc(66.666% - .5px) calc(66.666% + .5px),
      transparent calc(66.666% + .5px)),
    linear-gradient(to bottom,
      transparent 0 calc(33.333% - .5px),
      rgba(255, 255, 255, .16) calc(33.333% - .5px) calc(33.333% + .5px),
      transparent calc(33.333% + .5px) calc(66.666% - .5px),
      rgba(255, 255, 255, .16) calc(66.666% - .5px) calc(66.666% + .5px),
      transparent calc(66.666% + .5px));
}
.cliche--nu::after{ background: none; }

/* coins de viseur */
.cliche--viseur::before{
  content: "";
  position: absolute;
  inset: .85rem;
  z-index: 4;
  pointer-events: none;
  --b: var(--ambre-vif);
  background-image:
    linear-gradient(var(--b), var(--b)), linear-gradient(var(--b), var(--b)),
    linear-gradient(var(--b), var(--b)), linear-gradient(var(--b), var(--b)),
    linear-gradient(var(--b), var(--b)), linear-gradient(var(--b), var(--b)),
    linear-gradient(var(--b), var(--b)), linear-gradient(var(--b), var(--b));
  background-repeat: no-repeat;
  background-size:
    2px 24px, 24px 2px, 2px 24px, 24px 2px,
    2px 24px, 24px 2px, 2px 24px, 24px 2px;
  background-position:
    left top, left top, right top, right top,
    left bottom, left bottom, right bottom, right bottom;
}

.cliche--panoramique{ aspect-ratio: 16 / 9; }
.cliche--portrait{ aspect-ratio: 4 / 5; }
.cliche--carte{ aspect-ratio: 16 / 10; }

.legende{
  margin: .65rem 0 0;
  font-size: .8rem;
  line-height: 1.55;
  color: var(--plume-douce);
  font-style: italic;
}

/* variantes de matière pour les vignettes sans photo */
.teinte--sel   { background: linear-gradient(150deg, #2c4a6b 0%, #16202c 100%); }
.teinte--ambre { background: linear-gradient(150deg, #c2681a 0%, #4a2107 100%); }
.teinte--nuit  { background: linear-gradient(150deg, #2a2340 0%, #0f1016 100%); }
.teinte--vert  { background: linear-gradient(150deg, #2f4f3f 0%, #12191a 100%); }
.teinte--rouille{ background: linear-gradient(150deg, #8f3f22 0%, #24110c 100%); }
.teinte--ardoise{ background: linear-gradient(150deg, #4a5057 0%, #14161a 100%); }

/* ------------------------------------------------ titraille */

.surtitre{
  display: block;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--ambre);
  margin: 0 0 .9rem;
}
.surtitre--clair{ color: var(--ambre-vif); }

h1, h2, h3, h4{
  font-family: var(--serif);
  font-weight: 600;
  color: var(--graphite);
  margin: 0 0 .55em;
  letter-spacing: -.012em;
}

h1{
  font-size: clamp(2.25rem, 6.2vw, 4rem);
  line-height: 1.03;
}
h2{
  font-size: clamp(1.62rem, 3.4vw, 2.35rem);
  line-height: 1.14;
  margin-top: 0;
}
h3{
  font-size: clamp(1.16rem, 2.1vw, 1.4rem);
  line-height: 1.25;
}
h4{
  font-family: var(--sans);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.chapo{
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.1vw, 1.32rem);
  line-height: 1.62;
  color: var(--plume-douce);
}

.chapo--clair{ color: var(--plume-claire); }

/* ------------------------------------------------ ouverture (héros) */

.ouverture{
  position: relative;
  background: var(--graphite);
  color: var(--plume-inverse);
  overflow: hidden;
}
.ouverture::before{
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(85% 70% at 88% 4%, rgba(226, 145, 60, .3), transparent 58%),
    radial-gradient(70% 60% at 4% 96%, rgba(36, 64, 92, .55), transparent 62%);
  pointer-events: none;
}
.ouverture > *{ position: relative; z-index: 1; }

.ouverture__grille{
  display: grid;
  gap: clamp(2rem, 5vw, 3.6rem);
  padding-block: clamp(3rem, 8vw, 5.6rem);
  align-items: center;
}
@media (min-width: 900px){
  .ouverture__grille{ grid-template-columns: 1.05fr .95fr; }
}

.ouverture h1{ color: var(--plume-inverse); }
.ouverture .chapo{ color: var(--plume-claire); max-width: 32rem; }

.ouverture--article{
  padding-block: clamp(2.4rem, 6vw, 4rem) clamp(2.2rem, 5vw, 3.4rem);
}
.ouverture--article h1{ max-width: 22ch; }
.ouverture--article .chapo{ max-width: 40rem; }

.filet-lumiere{
  height: 3px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--ambre-vif), var(--ambre) 30%, var(--ombre-bleue) 70%, transparent);
}

/* boutons */

.actions{
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2rem;
}

.declencheur{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .82rem 1.35rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  background: var(--ambre-vif);
  color: #1b1006;
  border: 1px solid var(--ambre-vif);
  transition: transform .12s ease, background-color .15s ease;
}
.declencheur:hover{ background: #f0a755; color: #1b1006; transform: translateY(-1px); }

.declencheur--creux{
  background: transparent;
  color: var(--plume-inverse);
  border-color: var(--trait-clair);
}
.declencheur--creux:hover{ background: rgba(244, 239, 229, .08); color: var(--plume-inverse); }

.declencheur--sombre{
  background: var(--graphite);
  color: var(--plume-inverse);
  border-color: var(--graphite);
}
.declencheur--sombre:hover{ background: var(--ombre-bleue); color: var(--plume-inverse); }

/* ------------------------------------------------ sections */

.plan{ padding-block: var(--pas); }
.plan--serre{ padding-block: clamp(2.4rem, 5vw, 3.6rem); }
.plan--creux{ background: var(--fond-creux); }

.contretype{
  background: var(--graphite);
  color: var(--plume-inverse);
  padding-block: var(--pas);
  position: relative;
  overflow: hidden;
}
.contretype::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 80% at 92% 10%, rgba(226, 145, 60, .16), transparent 60%);
  pointer-events: none;
}
.contretype > *{ position: relative; z-index: 1; }
.contretype h2, .contretype h3{ color: var(--plume-inverse); }
.contretype p{ color: var(--plume-claire); }
.contretype a{ color: var(--ambre-vif); }
.contretype a:hover{ color: var(--plume-inverse); }

.plan__entete{
  max-width: 46rem;
  margin-bottom: clamp(1.8rem, 4vw, 2.8rem);
}
.plan__entete p{ color: var(--plume-douce); margin-bottom: 0; }
.contretype .plan__entete p{ color: var(--plume-claire); }

/* ------------------------------------------------ repères numérotés */

.reperes{
  display: grid;
  gap: 1px;
  background: var(--trait);
  border-block: 1px solid var(--trait);
  grid-template-columns: 1fr;
}
@media (min-width: 620px){ .reperes{ grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px){ .reperes{ grid-template-columns: repeat(4, 1fr); } }

.repere{
  background: var(--fond);
  padding: 1.7rem clamp(1.1rem, 2.4vw, 1.6rem) 1.9rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  text-decoration: none;
  color: inherit;
  transition: background-color .16s ease;
}
.repere:hover{ background: var(--fond-creux); color: inherit; }
.repere__index{
  font-family: var(--chiffres);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--ambre);
}
.repere__titre{
  font-family: var(--serif);
  font-size: 1.24rem;
  line-height: 1.22;
  color: var(--graphite);
  margin: 0;
}
.repere p{
  font-size: .93rem;
  color: var(--plume-douce);
  margin: 0;
}
.repere__fleche{
  margin-top: auto;
  padding-top: .8rem;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ambre);
}
.plan--creux .repere{ background: var(--fond-creux); }
.plan--creux .repere:hover{ background: var(--fond-creux-2); }

/* ------------------------------------------------ tirages (cartes article) */

.tirages{
  display: grid;
  gap: clamp(1.5rem, 3.4vw, 2.4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 660px){ .tirages{ grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px){ .tirages--trois{ grid-template-columns: repeat(3, 1fr); } }

.tirage{
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  gap: 1rem;
}
.tirage:hover{ color: inherit; }
.tirage__visuel{
  aspect-ratio: 16 / 10;
  transition: transform .3s ease;
}
.tirage:hover .tirage__visuel{ transform: translateY(-3px); }
.tirage__titre{
  font-family: var(--serif);
  font-size: 1.32rem;
  line-height: 1.2;
  margin: 0;
  color: var(--graphite);
}
.tirage:hover .tirage__titre{ color: var(--ambre); }
.tirage__resume{
  font-size: .95rem;
  color: var(--plume-douce);
  margin: 0;
}
.tirage__etiquette{
  font-family: var(--chiffres);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ambre);
}

/* ------------------------------------------------ bandeau de réglages */

.reglages{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .9rem;
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  font-family: var(--chiffres);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--plume-douce);
}
.reglages li{
  margin: 0;
  padding: .28rem .6rem;
  border: 1px solid var(--trait);
  border-radius: 2px;
  background: var(--fond-creux);
}
.contretype .reglages li,
.ouverture .reglages li{
  background: rgba(244, 239, 229, .06);
  border-color: var(--trait-clair);
  color: var(--plume-claire);
}

/* ------------------------------------------------ colonne de lecture */

.texte{
  max-width: var(--colonne);
}
.texte h2{ margin-top: 1.55em; }
.texte h2:first-child{ margin-top: 0; }
.texte h3{ margin-top: 1.7em; }
.texte > p:first-of-type{ margin-top: 0; }
.texte li{ line-height: 1.7; }

.texte figure{ margin: 2.4rem 0; }

.large{
  max-width: none;
}

/* sommaire de page */
.reperes-page{
  border-top: 2px solid var(--graphite);
  border-bottom: 1px solid var(--trait);
  padding: 1.2rem 0 1.4rem;
  margin: 0 0 2.6rem;
}
.reperes-page__titre{
  font-family: var(--sans);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--plume-douce);
  margin: 0 0 .8rem;
}
.reperes-page ol{
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: sommaire;
  display: grid;
  gap: .35rem;
}
.reperes-page li{
  counter-increment: sommaire;
  margin: 0;
  font-size: .95rem;
}
.reperes-page li::before{
  content: counter(sommaire, decimal-leading-zero);
  font-family: var(--chiffres);
  font-size: .74rem;
  color: var(--ambre);
  margin-right: .6rem;
}
.reperes-page a{ color: var(--plume); text-decoration: none; border-bottom: 1px solid var(--trait); }
.reperes-page a:hover{ color: var(--ambre); border-bottom-color: var(--ambre); }

/* encadré */
.mise-au-point{
  margin: 2.4rem 0;
  padding: 1.35rem 1.5rem 1.45rem;
  background: var(--fond-creux);
  border-left: 3px solid var(--ambre);
  border-radius: 0 var(--arrondi) var(--arrondi) 0;
}
.mise-au-point__titre{
  font-family: var(--sans);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ambre);
  margin: 0 0 .6rem;
}
.mise-au-point p:last-child,
.mise-au-point ul:last-child{ margin-bottom: 0; }
.mise-au-point--ombre{
  background: var(--graphite);
  border-left-color: var(--ambre-vif);
  color: var(--plume-inverse);
}
.mise-au-point--ombre p{ color: var(--plume-claire); }
.mise-au-point--ombre .mise-au-point__titre{ color: var(--ambre-vif); }

/* séquence d'étapes */
.sequence{
  list-style: none;
  counter-reset: etape;
  padding: 0;
  margin: 2.2rem 0;
  display: grid;
  gap: 1.5rem;
}
.sequence > li{
  counter-increment: etape;
  position: relative;
  padding-left: 3.1rem;
  margin: 0;
}
.sequence > li::before{
  content: counter(etape, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .05rem;
  font-family: var(--chiffres);
  font-size: .82rem;
  color: var(--ambre);
  border: 1px solid var(--trait);
  border-radius: 50%;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: var(--fond);
}
.sequence h3{ margin: 0 0 .35em; }
.sequence p:last-child{ margin-bottom: 0; }

/* tableau */
.defilable{
  overflow-x: auto;
  margin: 2.2rem 0;
  border: 1px solid var(--trait);
  border-radius: var(--arrondi);
  -webkit-overflow-scrolling: touch;
}
table{
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: .93rem;
}
caption{
  caption-side: top;
  text-align: left;
  padding: .9rem 1rem;
  font-size: .8rem;
  color: var(--plume-douce);
  background: var(--fond-creux);
  border-bottom: 1px solid var(--trait);
}
th, td{
  padding: .8rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--trait-fin);
  vertical-align: top;
}
thead th{
  background: var(--graphite);
  color: var(--plume-inverse);
  font-family: var(--sans);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
tbody tr:last-child td{ border-bottom: 0; }
tbody th{ font-family: var(--serif); font-size: 1.02rem; font-weight: 600; }
tbody tr:nth-child(even){ background: rgba(242, 235, 221, .5); }

/* questions fréquentes */
.questions{ margin: 2.4rem 0 0; border-top: 1px solid var(--trait); }
.question{
  border-bottom: 1px solid var(--trait);
}
.question > summary{
  cursor: pointer;
  list-style: none;
  padding: 1.05rem 2.4rem 1.05rem 0;
  position: relative;
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--graphite);
}
.question > summary::-webkit-details-marker{ display: none; }
.question > summary::after{
  content: "+";
  position: absolute;
  right: .35rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--chiffres);
  font-size: 1.15rem;
  color: var(--ambre);
}
.question[open] > summary::after{ content: "−"; }
.question > summary:hover{ color: var(--ambre); }
.question__corps{ padding: 0 0 1.2rem; color: var(--plume-douce); }
.question__corps p:last-child{ margin-bottom: 0; }

/* fil de navigation */
.fil{
  font-size: .78rem;
  color: var(--plume-douce);
  padding-block: .95rem;
  border-bottom: 1px solid var(--trait-fin);
}
.fil ol{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0;
  padding: 0;
}
.fil li{ margin: 0; }
.fil li + li::before{ content: "›"; margin-right: .45rem; color: var(--ambre); }
.fil a{ color: var(--plume-douce); text-decoration: none; }
.fil a:hover{ color: var(--ambre); }

/* pied d'article : la suite */
.suite{
  margin-top: var(--pas);
  padding-top: 2.2rem;
  border-top: 2px solid var(--graphite);
}
.suite__titre{
  font-family: var(--sans);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--plume-douce);
  margin: 0 0 1.4rem;
}

.signature{
  margin-top: 2.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--trait);
  font-size: .85rem;
  color: var(--plume-douce);
}

/* citation / mise en exergue */
.exergue{
  margin: 2.6rem 0;
  padding-left: 1.4rem;
  border-left: 2px solid var(--ambre);
  font-family: var(--serif);
  font-size: clamp(1.18rem, 2.4vw, 1.45rem);
  line-height: 1.42;
  color: var(--graphite);
}

/* liste à puces maison */
.pointes{ list-style: none; padding: 0; }
.pointes li{
  position: relative;
  padding-left: 1.5rem;
}
.pointes li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ambre);
}

/* colonnes de principes */
.principes{
  display: grid;
  gap: clamp(1.6rem, 3.5vw, 2.6rem);
  grid-template-columns: 1fr;
}
@media (min-width: 780px){ .principes{ grid-template-columns: repeat(3, 1fr); } }
.principe__num{
  font-family: var(--chiffres);
  font-size: .78rem;
  color: var(--ambre-vif);
  display: block;
  margin-bottom: .7rem;
}
.principe h3{ font-size: 1.18rem; }

/* schéma des tiers dessiné en SVG */
.schema{
  margin: 2.4rem 0;
  background: var(--fond-creux);
  border: 1px solid var(--trait);
  border-radius: var(--arrondi);
  padding: clamp(1rem, 3vw, 1.8rem);
}
.schema svg{ width: 100%; height: auto; }

/* ------------------------------------------------ colophon */

.colophon{
  background: var(--graphite);
  color: var(--plume-claire);
  padding-block: clamp(3rem, 6vw, 4.4rem) 2.4rem;
  font-size: .92rem;
}
.colophon__grille{
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}
@media (min-width: 760px){
  .colophon__grille{ grid-template-columns: 1.5fr 1fr 1fr; }
}
.colophon h2, .colophon h3{
  color: var(--plume-inverse);
  font-family: var(--sans);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.colophon ul{ list-style: none; padding: 0; margin: 0; }
.colophon li{ margin-bottom: .55rem; }
.colophon a{ color: var(--plume-claire); text-decoration: none; }
.colophon a:hover{ color: var(--ambre-vif); }
.colophon__manifeste{ max-width: 34rem; }
.colophon__manifeste .enseigne{ color: var(--plume-inverse); margin-bottom: 1rem; }
.colophon__manifeste .enseigne__nom{ color: var(--plume-inverse); }
.colophon__bas{
  margin-top: clamp(2.2rem, 5vw, 3.2rem);
  padding-top: 1.3rem;
  border-top: 1px solid var(--trait-clair);
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
  justify-content: space-between;
  font-size: .8rem;
  color: rgba(207, 200, 186, .75);
}

/* ------------------------------------------------ utilitaires */

.decale{ margin-top: clamp(1.6rem, 3.5vw, 2.4rem); }
.centre{ text-align: center; margin-inline: auto; }
.discret{ color: var(--plume-douce); font-size: .9rem; }
.nowrap{ white-space: nowrap; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media print{
  .viseur, .colophon, .actions, .suite{ display: none; }
  body{ background: #fff; color: #000; }
}

/* ------------------------------------------------ marque, deux tons */
.enseigne__diaphragme .anneau{ stroke: currentColor; }
.enseigne__diaphragme .lames{ stroke: var(--ambre); }
.colophon .enseigne__diaphragme .lames,
.ouverture .enseigne__diaphragme .lames{ stroke: var(--ambre-vif); }

/* ------------------------------------------------ débordement mesuré
   pour sortir un tableau ou une figure de la colonne de lecture */
.deborde{
  width: min(52rem, calc(100vw - 2 * var(--gouttiere)));
  margin-left: 50%;
  transform: translateX(-50%);
}

/* ------------------------------------------------ duo texte + visuel
   même géométrie que le héros, sans son rembourrage : à réutiliser
   pour toute section « une image, un bloc de texte ». */
.duo{
  display: grid;
  gap: clamp(1.8rem, 4.5vw, 3.4rem);
  align-items: center;
}
@media (min-width: 900px){
  .duo{ grid-template-columns: 1fr 1fr; }
  .duo--texte-dabord > *:first-child{ order: 2; }
}

.principe__num--chaud{ color: var(--ambre); }
.sansmarge{ margin: 0; }
.figure-large{ margin: 0 0 clamp(2rem, 5vw, 3.4rem); }
