/* Hub Air Côte d'Ivoire — Syabe Technologies
   Palette de travail (non officielle) : bleu nuit pour la structure,
   orange en accent ponctuel, vert / bleu / orange pour les statuts. */

:root {
  --nuit: #0B2540;
  --nuit-2: #13345A;
  --encre: #1C2633;
  --tx: #4B5563;
  --tx-c: #6B7280;
  --bleu: #2556C4;
  --orange: #C9581A;
  --orange-c: #FBEFE6;
  --vert: #1D7247;
  --vert-c: #E8F3EC;
  --bleu-c: #E9EFFB;
  --fond: #F5F6F8;
  --ligne: #E2E5EA;
  --ligne-f: #CDD2D9;
  --blanc: #FFFFFF;
  --ff-t: 'Poppins', 'Segoe UI', Arial, sans-serif;
  --ff: 'Ubuntu', 'Segoe UI', Arial, sans-serif;
  --larg: 1160px;
  --rayon: 6px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 120px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--blanc);
  color: var(--tx);
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--ff-t); color: var(--nuit); margin: 0; line-height: 1.25; }
h2 { font-size: 30px; font-weight: 600; letter-spacing: -0.01em; }
h3 { font-size: 20px; font-weight: 600; }
h4 { font-size: 15px; font-weight: 600; }
p { margin: 0 0 14px; }
a { color: var(--bleu); text-underline-offset: 3px; }
a:hover { color: var(--nuit); }
strong { color: var(--encre); font-weight: 500; }
ul, ol { margin: 0 0 14px; padding-left: 20px; }
li { margin-bottom: 6px; }
li::marker { color: var(--tx-c); }

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

.wrap { max-width: var(--larg); margin: 0 auto; padding: 0 32px; }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--nuit); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- En-tête ---------- */
.bandeau { background: var(--nuit); color: #C9D3DF; font-size: 13px; }
.bandeau .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 7px; padding-bottom: 7px; }
.bandeau span:last-child { color: #9FB0C3; }

.entete { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--ligne); }

/* Logo bar */
.entete-logo { background: #fff; border-bottom: 1px solid var(--ligne); }
.entete-logo .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 10px; padding-bottom: 10px; }
.logo-img { display: block; height: 52px; width: auto; }
.logo-tag { font-size: 13px; color: var(--tx-c); white-space: nowrap; }

/* Navigation bar — Air Côte d'Ivoire style */
.entete-nav { background: var(--nuit); }
.entete-nav .wrap { display: flex; align-items: center; justify-content: flex-start; gap: 0; }

.nav { display: flex; gap: 0; }
.nav a { font-size: 14px; color: rgba(255,255,255,.85); text-decoration: none; padding: 12px 18px; white-space: nowrap; transition: background .15s, color .15s; border-bottom: 3px solid transparent; }
.nav a:hover { background: rgba(255,255,255,.08); color: #fff; border-bottom-color: #1BA455; }
.nav a.actif { color: #fff; border-bottom-color: #1BA455; }
.nav-btn { display: none; background: none; border: 1px solid rgba(255,255,255,.3); border-radius: 4px; padding: 7px 14px; font: inherit; font-size: 14px; color: #fff; cursor: pointer; }

/* ---------- Ouverture ---------- */
.ouverture { background: var(--nuit); color: #D5DEE8; padding: 64px 0 56px; }
.ouverture .wrap { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 56px; align-items: end; }
.surtitre { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: #F0A46E; margin-bottom: 18px; }
.ouverture h1 { color: #fff; font-size: 40px; font-weight: 600; letter-spacing: -0.015em; margin-bottom: 20px; }
.ouverture p { font-size: 17px; max-width: 640px; }
.ouverture .liens { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn { display: inline-block; font-family: var(--ff); font-size: 15px; text-decoration: none; padding: 10px 18px; border-radius: 4px; border: 1px solid transparent; }
.btn-plein { background: #fff; color: var(--nuit); }
.btn-plein:hover { background: #EDF1F6; color: var(--nuit); }
.btn-ligne { border-color: #4D6A8C; color: #fff; }
.btn-ligne:hover { border-color: #fff; color: #fff; }

.encart { border-left: 2px solid var(--orange); padding: 4px 0 4px 22px; font-size: 14.5px; }
.encart h2 { color: #fff; font-size: 15px; font-weight: 500; margin-bottom: 12px; }
.encart dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; }
.encart dt { color: #8FA3BA; }
.encart dd { margin: 0; color: #fff; }

/* ---------- Sections ---------- */
.section { padding: 76px 0; border-bottom: 1px solid var(--ligne); }
.section.grise { background: var(--fond); }
.tete { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 0 8px; margin-bottom: 36px; max-width: 900px; }
.num { font-family: var(--ff-t); font-size: 15px; font-weight: 600; color: var(--orange); padding-top: 9px; }
.tete h2 { margin-bottom: 12px; }
.tete p { font-size: 17px; color: var(--tx); margin: 0; }
.corps { padding-left: 80px; }
.texte { max-width: 760px; }

.colonnes { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 56px; }
.colonnes-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

.note { font-size: 14px; color: var(--tx-c); border-top: 1px solid var(--ligne); padding-top: 14px; margin-top: 28px; }
.ref { font-size: 12px; vertical-align: super; line-height: 0; text-decoration: none; padding: 0 1px; }

/* Statuts : un seul composant, réutilisé partout */
.statut { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; white-space: nowrap; }
.statut::before { content: ''; width: 9px; height: 9px; border-radius: 50%; flex: none; }
.s-fait { color: var(--vert); } .s-fait::before { background: var(--vert); }
.s-chantier { color: var(--bleu); } .s-chantier::before { background: var(--bleu); }
.s-prop { color: var(--orange); } .s-prop::before { border: 2px solid var(--orange); width: 9px; height: 9px; }
.s-etude { color: var(--tx-c); } .s-etude::before { border: 2px dashed var(--tx-c); }

.legende { display: flex; flex-wrap: wrap; gap: 10px 26px; padding: 14px 18px; background: var(--fond); border-radius: var(--rayon); font-size: 14px; margin-bottom: 32px; }
.section.grise .legende { background: #fff; }
.legende div { display: flex; gap: 8px; align-items: baseline; }
.legende small { color: var(--tx-c); font-size: 13px; }

/* Tableaux */
.tableau { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.5; }
.tableau th { text-align: left; font-weight: 500; color: var(--tx-c); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; padding: 10px 14px 10px 0; border-bottom: 2px solid var(--nuit); }
.tableau td { padding: 14px 14px 14px 0; border-bottom: 1px solid var(--ligne); vertical-align: top; }
.tableau td:first-child { color: var(--encre); font-weight: 500; }
.tableau-defile { overflow-x: auto; }

/* Faits repères */
.faits { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--ligne); }
.faits li { display: grid; grid-template-columns: 170px minmax(0,1fr); gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--ligne); margin: 0; font-size: 15px; }
.faits b { font-family: var(--ff-t); font-weight: 500; color: var(--nuit); font-size: 14px; }

/* Enjeux */
.enjeux { counter-reset: e; list-style: none; padding: 0; margin: 0; }
.enjeux li { position: relative; padding: 0 0 18px 34px; margin: 0; }
.enjeux li::before { counter-increment: e; content: counter(e); position: absolute; left: 0; top: 1px; font-family: var(--ff-t); font-size: 13px; color: var(--orange); font-weight: 600; }
.enjeux h4 { margin-bottom: 4px; }
.enjeux p { margin: 0; font-size: 15px; }

/* Chantiers */
.chantier { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 48px; padding: 36px 0; border-top: 1px solid var(--ligne-f); }
.chantier:first-of-type { border-top: 0; padding-top: 0; }
.chantier > aside { position: sticky; top: 92px; align-self: start; }
.chantier-id { font-size: 13px; color: var(--tx-c); margin-bottom: 6px; }
.chantier aside h3 { margin-bottom: 12px; }
.chantier aside dl { margin: 18px 0 0; font-size: 14px; }
.chantier aside dt { color: var(--tx-c); font-size: 13px; }
.chantier aside dd { margin: 0 0 12px; color: var(--encre); }
.a-confirmer { background: #fff; border: 1px dashed var(--ligne-f); border-radius: var(--rayon); padding: 16px 20px; margin-top: 22px; font-size: 14.5px; }
.a-confirmer h4 { font-size: 14px; margin-bottom: 8px; }
.a-confirmer ul { margin: 0; }

/* Schéma du tiering */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 8px 0 24px; border: 1px solid var(--ligne-f); border-radius: var(--rayon); overflow: hidden; background: #fff; }
.tiers > div { padding: 16px 18px; border-right: 1px solid var(--ligne); font-size: 14px; }
.tiers > div:last-child { border-right: 0; }
.tiers b { display: block; font-family: var(--ff-t); color: var(--nuit); font-size: 15px; margin-bottom: 4px; }
.tiers .t0 { background: #EEF2F8; }
.tiers-fleche { font-size: 13px; color: var(--tx-c); margin: -14px 0 24px; }

/* Axes */
.axe { padding: 40px 0; border-top: 1px solid var(--ligne); }
.axe:first-of-type { border-top: 0; padding-top: 0; }
.axe-tete { display: flex; gap: 18px; align-items: baseline; margin-bottom: 18px; }
.axe-tete .lettre { font-family: var(--ff-t); font-weight: 600; color: var(--orange); font-size: 15px; min-width: 22px; }
.axe-grille { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 20px 48px; padding-left: 40px; }
.axe-grille h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-c); font-weight: 500; margin: 0 0 6px; }
.axe-grille p, .axe-grille ul { font-size: 15px; }
.axe-cas { font-size: 14px; color: var(--tx-c); padding-left: 40px; }
.axe-cas a { margin-right: 10px; }

/* Cas d'usage */
.filtres { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; margin-bottom: 26px; font-size: 14px; }
.filtres fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.filtres legend { float: left; color: var(--tx-c); margin-right: 8px; padding: 0; }
.filtres button { font: inherit; font-size: 14px; background: #fff; border: 1px solid var(--ligne-f); color: var(--encre); padding: 5px 12px; border-radius: 4px; cursor: pointer; }
.filtres button:hover { border-color: var(--nuit); }
.filtres button[aria-pressed="true"] { background: var(--nuit); border-color: var(--nuit); color: #fff; }

.cas-zone { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 0; border: 1px solid var(--ligne-f); border-radius: var(--rayon); background: #fff; min-height: 640px; }
.cas-liste { list-style: none; margin: 0; padding: 8px 0; border-right: 1px solid var(--ligne); }
.cas-liste li { margin: 0; }
.cas-liste button { display: block; width: 100%; text-align: left; background: none; border: 0; border-left: 3px solid transparent; padding: 12px 18px 12px 17px; font: inherit; cursor: pointer; color: var(--encre); }
.cas-liste button:hover { background: var(--fond); }
.cas-liste button[aria-selected="true"] { background: var(--fond); border-left-color: var(--orange); }
.cas-liste .code { display: block; font-size: 12px; color: var(--tx-c); margin-bottom: 2px; }
.cas-liste .titre { display: block; font-size: 14.5px; line-height: 1.4; margin-bottom: 4px; }
.cas-liste .statut { font-size: 12px; }
.cas-vide { padding: 22px 18px; font-size: 14px; color: var(--tx-c); }

.cas-detail { padding: 32px 40px 40px; min-width: 0; }
.cas-fiche[hidden] { display: none; }
.cas-fiche .meta { display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 13px; color: var(--tx-c); margin-bottom: 10px; }
.cas-fiche h3 { font-size: 23px; margin-bottom: 14px; }
.cas-fiche .chapo { font-size: 16px; color: var(--encre); margin-bottom: 26px; }
.cas-fiche h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-c); font-weight: 500; margin: 26px 0 8px; }
.cas-fiche p, .cas-fiche li { font-size: 15px; }
.etapes { counter-reset: et; list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--ligne-f); }
.etapes li { position: relative; padding: 0 0 12px 26px; margin: 0; }
.etapes li::before { counter-increment: et; content: counter(et); position: absolute; left: -11px; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 1px solid var(--ligne-f); font-size: 12px; text-align: center; line-height: 20px; color: var(--nuit); font-weight: 500; }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; }
.acteurs { font-size: 15px; }
.indic { font-size: 13.5px; color: var(--tx-c); font-style: italic; margin-top: -4px; }

/* Démarche */
.demarche { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--nuit); }
.demarche li { padding: 20px 22px 4px 0; margin: 0; }
.demarche li + li { padding-left: 22px; border-left: 1px solid var(--ligne); }
.demarche .etape { font-family: var(--ff-t); font-size: 13px; color: var(--orange); font-weight: 600; }
.demarche h3 { font-size: 17px; margin: 4px 0 10px; }
.demarche p, .demarche ul { font-size: 14.5px; }

/* Questions */
.questions { counter-reset: q; list-style: none; padding: 0; margin: 0; }
.questions li { counter-increment: q; display: grid; grid-template-columns: 38px minmax(0, 1fr) 190px; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--ligne); margin: 0; font-size: 15px; }
.questions li::before { content: 'Q' counter(q); font-family: var(--ff-t); font-size: 13px; color: var(--orange); font-weight: 600; padding-top: 2px; }
.questions .qui { font-size: 13px; color: var(--tx-c); }

/* Sources */
.sources { font-size: 14px; padding-left: 26px; }
.sources li { margin-bottom: 9px; scroll-margin-top: 96px; }
.sources li:target { background: var(--orange-c); }
.sources .date { color: var(--tx-c); }

/* Pied */
.pied { background: var(--nuit); color: #A9B8C8; font-size: 14px; padding: 40px 0; }
.pied .wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; }
.pied b { color: #fff; font-family: var(--ff-t); font-weight: 500; }
.pied p { margin: 6px 0 0; }

/* Projets réalisés */
.projets-grille { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.projet-carte { background: #fff; border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 28px 24px 22px; transition: box-shadow .2s, border-color .2s; }
.projet-carte:hover { border-color: #1BA455; box-shadow: 0 4px 16px rgba(27,164,85,.1); }
.projet-icone { color: #1BA455; margin-bottom: 14px; }
.projet-carte h3 { font-size: 17px; margin-bottom: 10px; }
.projet-carte p { font-size: 14.5px; color: var(--tx); margin-bottom: 14px; }

/* ---------- Adaptations ---------- */
@media (max-width: 1080px) {
  .nav a { padding: 10px 12px; font-size: 13.5px; }
  .logo-tag { display: none; }
  .corps { padding-left: 0; }
  .tete { grid-template-columns: 48px minmax(0,1fr); }
}

@media (max-width: 920px) {
  .nav-btn { display: block; }
  .entete-nav .wrap { justify-content: flex-end; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--nuit); border-bottom: 2px solid #1BA455; padding: 8px 20px 14px; z-index: 60; }
  .nav.ouvert { display: flex; }
  .nav a { padding: 10px 6px; font-size: 15px; border-bottom: none; }
  .projets-grille { grid-template-columns: 1fr; }
  .ouverture .wrap, .colonnes, .colonnes-2 { grid-template-columns: 1fr; gap: 36px; }
  .chantier { grid-template-columns: 1fr; gap: 20px; }
  .chantier > aside { position: static; }
  .axe-grille { grid-template-columns: 1fr; padding-left: 0; }
  .axe-cas { padding-left: 0; }
  .demarche { grid-template-columns: 1fr 1fr; }
  .demarche li:nth-child(3) { padding-left: 0; border-left: 0; }
  .cas-zone { grid-template-columns: 1fr; min-height: 0; }
  .cas-liste { border-right: 0; border-bottom: 1px solid var(--ligne); max-height: 300px; overflow-y: auto; }
  .questions li { grid-template-columns: 38px minmax(0,1fr); }
  .questions .qui { grid-column: 2; }
}

@media (max-width: 600px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 16px; }
  .bandeau span:last-child { display: none; }
  .logo-tag { display: none; }
  .logo-img { height: 40px; }
  .ouverture { padding: 44px 0 40px; }
  .ouverture h1 { font-size: 29px; }
  .ouverture p { font-size: 16px; }
  .section { padding: 52px 0; }
  h2 { font-size: 24px; }
  .tete { grid-template-columns: 1fr; margin-bottom: 26px; }
  .num { padding-top: 0; margin-bottom: 4px; }
  .tete p { font-size: 16px; }
  .faits li { grid-template-columns: 1fr; gap: 2px; }
  .tiers { grid-template-columns: 1fr; }
  .tiers > div { border-right: 0; border-bottom: 1px solid var(--ligne); }
  .demarche { grid-template-columns: 1fr; }
  .demarche li, .demarche li + li { padding-left: 0; border-left: 0; border-bottom: 1px solid var(--ligne); padding-bottom: 8px; }
  .cas-detail { padding: 24px 18px 28px; }
  .cas-fiche h3 { font-size: 20px; }
  .duo { grid-template-columns: 1fr; }
  .tableau-mobile thead { display: none; }
  .tableau-mobile tr { display: block; border-bottom: 1px solid var(--ligne); padding: 10px 0; }
  .tableau-mobile td { display: block; border: 0; padding: 3px 0; }
  .tableau-mobile td[data-l]::before { content: attr(data-l); display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--tx-c); }
  .pied .wrap { grid-template-columns: 1fr; gap: 20px; }
}

@media print {
  .entete, .bandeau, .filtres, .nav-btn, .entete-nav { display: none; }
  .cas-fiche[hidden] { display: block; }
  .cas-zone { display: block; border: 0; }
  .cas-liste { display: none; }
  .section { padding: 28px 0; page-break-inside: avoid; }
}