/* ---------------------------------------------------------------
   Le Gandiolais — site de présentation
   Aucune police externe, aucune bibliothèque : la page doit
   s'afficher vite sur une connexion mobile sénégalaise.
   --------------------------------------------------------------- */

:root {
  --marine: #012259;
  --marine-2: #013a8f;
  --bleu: #0069C7;
  --ciel: #0095F0;
  --bleu-clair: #E3F0FC;
  --fond: #F5F7FA;
  --surface: #FFFFFF;
  --bord: #DDE3EC;
  --texte: #16233A;
  --texte-2: #5A6982;
  --texte-3: #8A97AC;
  --vert: #0F7A4A;
  --vert-clair: #E4F4EC;
  --ambre: #A05A00;
  --ambre-clair: #FDF0DC;
  --ombre: 0 18px 50px rgba(1, 34, 89, .16);
  --ombre-douce: 0 2px 14px rgba(1, 34, 89, .07);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texte);
  line-height: 1.62;
  font-size: 16.5px;
  background: var(--surface);
  overflow-x: hidden;
}

.large { max-width: 1140px; margin: 0 auto; padding: 0 22px; }
.etroit { max-width: 800px; margin: 0 auto; padding: 0 22px; }

/* ── Apparition au défilement ────────────────────────────────── */

.apparait {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.16,.8,.3,1),
              transform .7s cubic-bezier(.16,.8,.3,1);
}
.apparait.visible { opacity: 1; transform: none; }
.apparait.d1 { transition-delay: .09s; }
.apparait.d2 { transition-delay: .18s; }
.apparait.d3 { transition-delay: .27s; }

/* Respecte le réglage système : certaines personnes sont gênées
   par les mouvements à l'écran. */
@media (prefers-reduced-motion: reduce) {
  .apparait { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ── Navigation ──────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color .3s, box-shadow .3s;
}
nav.defile {
  border-bottom-color: var(--bord);
  box-shadow: 0 1px 14px rgba(1,34,89,.05);
}
nav .in {
  max-width: 1140px;
  margin: 0 auto;
  padding: 11px 22px;
  display: flex;
  align-items: center;
  gap: 28px;
}
nav img { height: 32px; }
nav .droite { margin-left: auto; display: flex; align-items: center; gap: 22px; }
nav a.lien {
  color: var(--texte-2);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  position: relative;
}
nav a.lien::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -5px;
  height: 2px;
  background: var(--bleu);
  transform: scaleX(0);
  transition: transform .25s;
}
nav a.lien:hover { color: var(--bleu); }
nav a.lien:hover::after { transform: scaleX(1); }

/* ── Boutons ─────────────────────────────────────────────────── */

.bouton {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--bleu);
  color: #fff !important;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15.5px;
  border: 0;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
  box-shadow: 0 4px 16px rgba(0,105,199,.24);
}
.bouton:hover {
  background: #00549f;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,105,199,.32);
}
.bouton.petit { padding: 10px 20px; font-size: 14.5px; }
.bouton.blanc {
  background: #fff;
  color: var(--marine) !important;
  box-shadow: 0 4px 18px rgba(0,0,0,.2);
}
.bouton.blanc:hover { background: #f2f6fb; }
.bouton.fantome {
  background: rgba(255,255,255,.09);
  color: #fff !important;
  border: 1.5px solid rgba(255,255,255,.3);
  box-shadow: none;
}
.bouton.fantome:hover { background: rgba(255,255,255,.16); }

/* ── Accroche ────────────────────────────────────────────────── */

.accroche {
  background: linear-gradient(165deg, var(--marine) 0%, var(--marine-2) 100%);
  color: #fff;
  padding: 130px 0 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Halo lumineux discret, rappel de l'eau du logo */
.accroche::before {
  content: "";
  position: absolute;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(ellipse, rgba(0,149,240,.28), transparent 65%);
  pointer-events: none;
}
.accroche .contenu { position: relative; z-index: 2; }
.accroche img.logo { width: 300px; margin-bottom: 28px; }
.accroche h1 {
  font-size: 42px;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -1px;
}
.accroche p.sous {
  font-size: 18.5px;
  color: #BFD9F5;
  max-width: 640px;
  margin: 0 auto 34px;
}
.accroche .actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.accroche .note { margin-top: 22px; font-size: 13.5px; color: #8FB4DE; }

/* Capture en perspective sous l'accroche */
.vitrine {
  margin-top: 56px;
  padding: 0 22px;
  position: relative;
  z-index: 2;
}
.vitrine img {
  width: 100%;
  max-width: 1000px;
  border-radius: 12px 12px 0 0;
  box-shadow: var(--ombre);
  display: block;
  margin: 0 auto;
  border: 1px solid rgba(255,255,255,.14);
  border-bottom: 0;
}

/* ── Sections ────────────────────────────────────────────────── */

section { padding: 88px 0; }
section.gris { background: var(--fond); }

h2 {
  font-size: 31px;
  font-weight: 700;
  margin-bottom: 13px;
  letter-spacing: -0.5px;
  line-height: 1.25;
}
p.intro {
  font-size: 17px;
  color: var(--texte-2);
  margin-bottom: 42px;
  max-width: 640px;
}
.centre { text-align: center; }
.centre p.intro { margin-left: auto; margin-right: auto; }

.surtitre {
  font-size: 13px;
  font-weight: 700;
  color: var(--bleu);
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* ── Arguments forts ─────────────────────────────────────────── */

.force {
  background: var(--marine);
  color: #fff;
  border-radius: 18px;
  padding: 44px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 34px;
  box-shadow: var(--ombre);
}
.force .item h3 { font-size: 18px; margin-bottom: 7px; color: #fff; }
.force .item p { font-size: 14.5px; color: #BFD9F5; }
.force .item .num {
  font-size: 26px;
  font-weight: 700;
  color: var(--ciel);
  margin-bottom: 4px;
}

/* ── Alternance texte / capture ──────────────────────────────── */

.duo {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 96px;
}
.duo:last-child { margin-bottom: 0; }
.duo.inverse .texte { order: 2; }
.duo.inverse .image { order: 1; }

.duo .image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--ombre);
  border: 1px solid var(--bord);
  display: block;
  transition: transform .4s cubic-bezier(.16,.8,.3,1);
}
.duo .image:hover img { transform: translateY(-5px) scale(1.012); }

.duo h3 { font-size: 25px; margin-bottom: 12px; letter-spacing: -0.3px; }
.duo p { color: var(--texte-2); font-size: 16px; margin-bottom: 16px; }
.duo ul { list-style: none; }
.duo li {
  padding: 6px 0 6px 26px;
  position: relative;
  font-size: 15.5px;
  color: var(--texte-2);
}
.duo li::before {
  content: "";
  position: absolute;
  left: 2px; top: 15px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--bleu);
}

/* ── Grille de cartes ────────────────────────────────────────── */

.grille {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(275px, 1fr));
  gap: 20px;
}
.carte {
  background: var(--surface);
  border: 1px solid var(--bord);
  border-radius: 14px;
  padding: 26px;
  transition: transform .3s cubic-bezier(.16,.8,.3,1), box-shadow .3s;
}
.carte:hover {
  transform: translateY(-4px);
  box-shadow: var(--ombre-douce);
  border-color: #C5D6EA;
}
.carte .icone {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--bleu-clair);
  display: flex; align-items: center; justify-content: center;
  font-size: 21px;
  margin-bottom: 15px;
}
.carte h3 { font-size: 17px; margin-bottom: 7px; }
.carte p { font-size: 14.5px; color: var(--texte-2); }

/* ── Documents ───────────────────────────────────────────────── */

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 12px;
}
.module {
  background: var(--surface);
  border: 1px solid var(--bord);
  border-radius: 11px;
  padding: 16px 18px;
  font-size: 14.5px;
  font-weight: 600;
  transition: border-color .25s, transform .25s;
}
.module:hover { border-color: var(--bleu); transform: translateY(-2px); }
.module span {
  display: block;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--texte-2);
  margin-top: 2px;
}

/* ── Tarifs ──────────────────────────────────────────────────── */

.tarifs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
  gap: 18px;
  align-items: start;
}
.tarif {
  background: var(--surface);
  border: 1px solid var(--bord);
  border-radius: 14px;
  padding: 28px 24px;
  transition: transform .3s, box-shadow .3s;
}
.tarif:hover { transform: translateY(-4px); box-shadow: var(--ombre-douce); }
.tarif.phare {
  border: 2px solid var(--bleu);
  position: relative;
  box-shadow: 0 10px 34px rgba(0,105,199,.13);
}
.tarif .etiquette {
  position: absolute;
  top: -12px; left: 24px;
  background: var(--bleu);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: .4px;
}
.tarif h3 { font-size: 18px; margin-bottom: 3px; }
.tarif .effectif { font-size: 13.5px; color: var(--texte-2); margin-bottom: 18px; }
.tarif .prix { font-size: 29px; font-weight: 700; color: var(--marine); }
.tarif .prix small { font-size: 14px; font-weight: 400; color: var(--texte-2); }
.tarif .tranches {
  font-size: 12.5px; color: var(--texte-3);
  margin-top: 3px; margin-bottom: 20px;
}
.tarif ul { list-style: none; font-size: 14.5px; color: var(--texte-2); }
.tarif li { padding: 5px 0 5px 22px; position: relative; }
.tarif li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--vert); font-weight: 700;
}

/* ── Encadrés ────────────────────────────────────────────────── */

.encadre { padding: 20px 24px; border-radius: 13px; font-size: 15.5px; }
.encadre.info { background: var(--bleu-clair); }
.encadre.vert { background: var(--vert-clair); color: var(--vert); }
.encadre.ambre { background: var(--ambre-clair); color: var(--ambre); }

/* ── Téléchargement ──────────────────────────────────────────── */

.telecharger {
  background: linear-gradient(165deg, var(--marine) 0%, var(--marine-2) 100%);
  color: #fff;
  border-radius: 18px;
  padding: 52px 38px;
  text-align: center;
  box-shadow: var(--ombre);
  position: relative;
  overflow: hidden;
}
.telecharger::before {
  content: "";
  position: absolute;
  top: -140px; right: -100px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(0,149,240,.3), transparent 68%);
}
.telecharger > * { position: relative; z-index: 2; }
.telecharger h2 { color: #fff; margin-bottom: 10px; }
.telecharger p.sous { color: #BFD9F5; margin-bottom: 26px; font-size: 16.5px; }
.telecharger .taille { font-size: 13.5px; color: #8FB4DE; margin-top: 14px; }

/* ── Contact ─────────────────────────────────────────────────── */

.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.contact a { color: var(--bleu); text-decoration: none; font-weight: 600; }
.contact a:hover { text-decoration: underline; }

/* ── Pied ────────────────────────────────────────────────────── */

footer {
  background: var(--marine);
  color: #8FB4DE;
  padding: 44px 0 34px;
  font-size: 14.5px;
}
footer .in {
  max-width: 1140px; margin: 0 auto; padding: 0 22px;
  display: flex; flex-wrap: wrap; gap: 22px; align-items: center;
}
footer a { color: #BFD9F5; text-decoration: none; }
footer a:hover { color: #fff; }
footer .droite { margin-left: auto; }

/* ── Téléphone ───────────────────────────────────────────────── */

@media (max-width: 860px) {
  .duo { grid-template-columns: 1fr; gap: 30px; margin-bottom: 58px; }
  .duo.inverse .texte { order: 1; }
  .duo.inverse .image { order: 2; }
}

@media (max-width: 700px) {
  body { font-size: 16px; }
  .accroche { padding: 104px 0 0; }
  .accroche h1 { font-size: 30px; letter-spacing: -0.5px; }
  .accroche p.sous { font-size: 16.5px; }
  .accroche img.logo { width: 230px; }
  .vitrine { margin-top: 38px; }
  section { padding: 58px 0; }
  h2 { font-size: 25px; }
  .force { padding: 30px; gap: 26px; }
  .telecharger { padding: 36px 24px; }
  nav a.lien { display: none; }
  nav .droite { gap: 0; }
}

/* ═══════════════════════════════════════════════════════════════
   Pied de page
   ═══════════════════════════════════════════════════════════════ */

footer {
  background: var(--marine);
  color: #9FC2E8;
  font-size: 14.5px;
  padding: 0;
  position: relative;
  overflow: hidden;
}
/* Rappel discret de l'eau du logo, en haut du bandeau */
footer::before {
  content: "";
  position: absolute;
  top: -220px; left: 50%;
  transform: translateX(-50%);
  width: 1000px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,149,240,.16), transparent 66%);
  pointer-events: none;
}
footer .haut {
  position: relative; z-index: 2;
  max-width: 1140px; margin: 0 auto; padding: 54px 22px 38px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 44px;
}

footer .marque img { height: 38px; margin-bottom: 14px; }
footer .marque p {
  font-size: 14px; color: #8FB4DE; max-width: 280px; line-height: 1.65;
}
footer .marque .editeur {
  margin-top: 16px; font-size: 13px; color: #6E96C4;
}

footer h4 {
  color: #fff; font-size: 13px; font-weight: 700;
  letter-spacing: 1.1px; text-transform: uppercase;
  margin-bottom: 14px;
}
footer ul { list-style: none; }
footer li { margin-bottom: 9px; }
footer a {
  color: #9FC2E8; text-decoration: none;
  transition: color .2s;
  display: inline-flex; align-items: center; gap: 8px;
}
footer a:hover { color: #fff; }
footer a .ic { opacity: .75; width: 16px; text-align: center; }

footer .bas {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,.09);
}
footer .bas .in {
  max-width: 1140px; margin: 0 auto; padding: 20px 22px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  font-size: 13px; color: #6E96C4;
}
footer .bas .droite { margin-left: auto; display: flex; gap: 20px; }

/* Un bouton d'appel à l'action dans le pied : c'est souvent
   là qu'un visiteur atterrit après avoir tout lu. */
footer .rappel {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.22);
  color: #fff !important;
  padding: 11px 20px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 14.5px;
  margin-top: 4px;
  transition: background .22s, transform .22s;
}
footer .rappel:hover {
  background: rgba(255,255,255,.17);
  transform: translateY(-2px);
  color: #fff !important;
}

@media (max-width: 900px) {
  footer .haut { grid-template-columns: 1fr 1fr; gap: 34px; }
  footer .marque { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  footer .haut {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px 22px 30px;
    text-align: center;
  }
  footer .marque p { max-width: none; }
  footer .marque img { margin-left: auto; margin-right: auto; }
  footer a { justify-content: center; }
  footer .bas .in {
    flex-direction: column; gap: 12px; text-align: center;
  }
  footer .bas .droite { margin-left: 0; justify-content: center; }
}