/* Datacculturation · identité « Note illustrée » (charte v1.17 des carrousels, 11/11/2026) */
@font-face { font-family: "Fraunces"; src: url("polices/Fraunces.ttf") format("truetype"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("polices/Fraunces-Italic.ttf") format("truetype"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("polices/InterTight.ttf") format("truetype"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("polices/IBMPlexMono-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }

:root {
  --fond: #ffffff; --texte: #111214; --doux: #5d6067; --filet: #e2e3e6; --gris: #f4f5f7; --nuit: #121316;
  --rouge: #c8102e; --violet: #6734ff; --vert: #1c8f68;
  --serif: "Fraunces", Georgia, serif; --sans: "Inter Tight", system-ui, sans-serif; --mono: "IBM Plex Mono", ui-monospace, monospace;
  --signal-clair: var(--rouge); --large: 1180px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); font-size: 19px; line-height: 1.6; color: var(--texte); background: var(--fond); -webkit-font-smoothing: antialiased; }
/* Le filet aux trois couleurs des formats, sur le bord gauche, comme la bannière */
body::before { content: ""; position: fixed; left: 0; top: 0; bottom: 0; width: 10px; z-index: 50;
  background: linear-gradient(var(--rouge) 0 33.3%, var(--violet) 33.3% 66.6%, var(--vert) 66.6%); }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
.conteneur { max-width: var(--large); margin: 0 auto; padding: 0 48px 0 58px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* En-tête */
.entete { border-bottom: 1px solid var(--filet); background: rgba(255,255,255,.94); position: sticky; top: 0; z-index: 40; backdrop-filter: blur(6px); }
.entete .conteneur { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.marque { text-decoration: none; display: flex; align-items: baseline; gap: 12px; }
.marque b { font-family: var(--serif); font-weight: 600; font-size: 25px; letter-spacing: -.01em; }
.marque span { font-size: 15px; color: var(--doux); }
.nav { display: flex; gap: 28px; list-style: none; font-size: 16px; font-weight: 500; }
.nav a { text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-color: var(--rouge); }
.enseignes { font-family: var(--mono); font-size: 14px; color: var(--doux); }

/* Titres et textes */
.surtitre { font-weight: 600; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--texte); }
.surtitre.filet { padding-bottom: 14px; border-bottom: 1px solid var(--filet); display: flex; justify-content: space-between; }
.surtitre.filet span:last-child { font-family: var(--mono); font-weight: 400; color: var(--doux); letter-spacing: .04em; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.015em; line-height: 1.08; }
h1 { font-size: clamp(44px, 6vw, 76px); }
h2 { font-size: clamp(34px, 4vw, 50px); margin-bottom: 20px; }
h3 { font-size: 27px; line-height: 1.2; }
em { font-style: italic; font-weight: 400; }
.cle { color: var(--rouge); }
.chapo { font-size: clamp(20px, 2vw, 24px); line-height: 1.5; color: var(--doux); max-width: 680px; }
.prose p { margin-bottom: 1.1em; max-width: 720px; }
.prose p.signature-phrase { font-family: var(--serif); font-size: 28px; line-height: 1.35; color: var(--texte); }

/* Boutons */
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.bouton { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; font-weight: 600; font-size: 17px; text-decoration: none; border: 1px solid var(--texte); }
.bouton.plein { background: var(--texte); color: #fff; }
.bouton:hover { background: var(--rouge); border-color: var(--rouge); color: #fff; }

/* Sections */
section { padding: 96px 0; }
section + section { border-top: 1px solid var(--filet); }
.hero { padding: 72px 0 96px; }
.hero .grille { display: grid; grid-template-columns: 1fr 360px; gap: 56px; align-items: center; margin-top: 56px; }
.hero h1 { margin-bottom: 28px; }
.illu svg { width: 100%; height: auto; overflow: visible; }
.entete-section { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 40px; }
.entete-section a { font-weight: 600; text-decoration: none; white-space: nowrap; }
.entete-section a:hover { color: var(--rouge); }

/* Les cinq formats */
.formats { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--filet); }
.format { padding: 28px 24px 30px; border-left: 4px solid var(--signal-clair); }
.format + .format { border-top: 0; }
.format .picto { width: 84px; height: 84px; margin-bottom: 16px; }
.format h3 { font-size: 24px; margin-bottom: 6px; }
.format .jour { font-family: var(--mono); font-size: 13px; color: var(--signal-clair); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 12px; }
.format p { font-size: 16px; line-height: 1.5; color: var(--doux); }
.f-enquete, .f-debunk { --signal-clair: var(--rouge); }
.f-decryptage, .f-comprendre { --signal-clair: var(--violet); }
.f-transformer { --signal-clair: var(--vert); }

/* Cartes de décryptages */
.cartes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--filet); }
.cartes.liste { grid-template-columns: 1fr; }
.carte { display: flex; flex-direction: column; padding: 30px 28px 30px 26px; border-bottom: 1px solid var(--filet); border-left: 4px solid var(--signal-clair); text-decoration: none; transition: background .15s; }
.cartes:not(.liste) .carte + .carte { margin-left: 0; }
.carte:hover { background: var(--gris); }
.carte[hidden] { display: none !important; }
.carte .meta { display: flex; gap: 14px; font-size: 14px; color: var(--doux); margin-bottom: 14px; }
.carte .meta b { font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--signal-clair); }
.carte h3 { margin-bottom: 12px; }
.carte p { font-size: 17px; color: var(--doux); line-height: 1.55; }
.carte .lire { margin-top: auto; padding-top: 18px; font-weight: 600; font-size: 16px; color: var(--signal-clair); }
.cartes.liste .carte { display: grid; grid-template-columns: 170px 1fr; column-gap: 32px; }
.cartes.liste .carte .meta { flex-direction: column; gap: 4px; margin: 4px 0 0; grid-row: span 3; }
.filtres { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 32px; }
.filtres button { font: inherit; font-size: 15px; font-weight: 600; padding: 9px 16px; border: 1px solid var(--filet); background: #fff; cursor: pointer; }
.filtres button[aria-pressed="true"] { background: var(--texte); color: #fff; border-color: var(--texte); }

/* La bande sombre : la bascule du site */
.nuit { background: var(--nuit); color: #eeece6; --filet: #2b2d32; }
.nuit .surtitre { color: #eeece6; }
.nuit .chapo, .nuit p { color: #b4b1a8; }
.nuit .cle { color: #e5273f; }
.principes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid var(--filet); }
.principe { padding: 30px 32px 30px 0; border-bottom: 1px solid var(--filet); display: grid; grid-template-columns: 56px 1fr; }
.principe:nth-child(even) { padding-left: 32px; border-left: 1px solid var(--filet); }
.principe .n { font-family: var(--mono); font-size: 15px; color: #e5273f; padding-top: 6px; }
.principe h3 { color: #eeece6; font-size: 25px; margin-bottom: 8px; }
.principe p { font-size: 17px; }

/* Citation */
.citation { font-family: var(--serif); font-size: clamp(28px, 3.4vw, 42px); line-height: 1.25; max-width: 900px; }
.citation + p { margin-top: 20px; color: var(--doux); }

/* Parcours */
.parcours { border-top: 1px solid var(--filet); margin-top: 32px; }
.etape { display: grid; grid-template-columns: 220px 1fr; gap: 32px; padding: 26px 0; border-bottom: 1px solid var(--filet); }
.etape .date { font-weight: 600; font-size: 15px; letter-spacing: .04em; text-transform: uppercase; color: var(--doux); padding-top: 4px; }
.etape h3 { font-size: 23px; margin-bottom: 6px; }
.etape p { font-size: 17px; color: var(--doux); }

/* Pied de page */
.pied { border-top: 1px solid var(--filet); padding: 48px 0 56px; font-size: 15px; color: var(--doux); }
.pied .conteneur { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.pied a { text-decoration: none; }
.pied span + span { display: flex; gap: 22px; }
.pied a:hover { color: var(--texte); }
.a-completer { background: #fff3c4; padding: 0 4px; }

@media (max-width: 980px) {
  .formats { grid-template-columns: 1fr 1fr; }
  .cartes { grid-template-columns: 1fr; }
  .hero .grille { grid-template-columns: 1fr; }
  .hero .illu { max-width: 260px; }
  .principes { grid-template-columns: 1fr; }
  .principe:nth-child(even) { padding-left: 0; border-left: 0; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .conteneur { padding: 0 18px 0 26px; }
  .marque span, .enseignes { display: none; }
  .entete .conteneur { flex-wrap: wrap; height: auto; padding-top: 12px; padding-bottom: 10px; row-gap: 4px; }
  .nav { gap: 18px; font-size: 15px; width: 100%; }
  .entete { position: static; }
  .hero .grille { margin-top: 36px; }
  .formats { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .cartes.liste .carte, .etape { grid-template-columns: 1fr; gap: 8px; }
  .cartes.liste .carte .meta { flex-direction: row; grid-row: auto; margin-bottom: 10px; }
  .surtitre.filet span:last-child { display: none; }
  .entete-section { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }