/* ╔══════════════════════════════════════════════════════╗
   ║   YOUPI-YOUPI.FR — css/style.css                      ║
   ║   Rond, coloré, gros : un site pour les petites mains ║
   ╚══════════════════════════════════════════════════════╝ */
:root {
  --jaune: #ffb703; --jaune-clair: #fff3c4; --orange: #fb8500; --vert: #52b788; --vert-fonce: #2d6a4f;
  --bleu: #4cc9f0; --bleu-fonce: #1d6fa5; --rose: #f72585; --encre: #2b2d42; --doux: #5c5f7a; --fond: #fffdf7; --blanc: #fff;
  --rayon: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Segoe UI", "Nunito", system-ui, -apple-system, sans-serif; background: var(--fond); color: var(--encre); font-size: 18px; line-height: 1.5; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu-fonce); }
h1, h2, h3 { line-height: 1.15; font-weight: 800; }
h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin: 0 0 .5em; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 0 0 .4em; }
.saut { position: absolute; left: -999px; } .saut:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 10; }

/* En-tête */
.tete { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 20px; background: var(--blanc); box-shadow: 0 2px 12px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.tete__logo { text-decoration: none; font-weight: 900; font-size: 1.6rem; letter-spacing: -.5px; }
.tete__logo span:first-child { color: var(--orange); } .tete__logo span:nth-child(2) { color: var(--vert); } .tete__logo em { color: var(--rose); font-style: normal; }
.tete__nav { display: flex; gap: 6px; flex-wrap: wrap; }
.tete__nav a { text-decoration: none; color: var(--encre); font-weight: 700; padding: 8px 14px; border-radius: 999px; }
.tete__nav a:hover, .tete__nav a.est-actif { background: var(--jaune-clair); }

/* Bandeau d'accueil */
.bandeau { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center; max-width: 1100px; margin: 0 auto; padding: 36px 20px 20px; }
.bandeau p { font-size: 1.15rem; color: var(--doux); }
.bandeau__boutons { display: flex; gap: 12px; flex-wrap: wrap; }
.bandeau__heros { position: relative; height: 340px; }
.bandeau__img { position: absolute; width: 56%; border-radius: 50%; border: 8px solid var(--blanc); box-shadow: 0 12px 30px rgba(0,0,0,.15); }
.bandeau__img--kiko { left: 0; top: 0; transform: rotate(-6deg); }
.bandeau__img--dino { right: 0; bottom: 0; transform: rotate(5deg); }

.bouton { display: inline-block; text-decoration: none; font-weight: 800; padding: 14px 24px; border-radius: 999px; font-size: 1.1rem; color: var(--encre); border: 0; cursor: pointer; transition: transform .1s; }
.bouton:active { transform: scale(.96); }
.bouton--jaune { background: var(--jaune); } .bouton--vert { background: var(--vert); color: #fff; }
.bouton--contour { background: transparent; border: 3px solid var(--jaune); }

/* Sections */
.section { max-width: 1100px; margin: 0 auto; padding: 32px 20px; }
.section--jaune { background: var(--jaune-clair); max-width: none; } .section--jaune > * { max-width: 1060px; margin-left: auto; margin-right: auto; }
.section--parents { background: #e9f7ef; max-width: none; border-radius: 0; } .section--parents > * { max-width: 1060px; margin-left: auto; margin-right: auto; }
.section--texte { max-width: 820px; } .section--texte h2 { margin-top: 1.6em; font-size: 1.35rem; } .section--texte li { margin-bottom: .4em; }
.sous { color: var(--doux); margin-top: 0; }
.centre { text-align: center; }
.vide { background: var(--blanc); border-radius: var(--rayon); padding: 20px; }
.grille { display: grid; gap: 18px; }
.grille--videos { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grille--jeux { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.grille--jeux-grande { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grille--heros { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* Vidéo */
.video { background: var(--blanc); border-radius: var(--rayon); overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.video__vignette { display: block; width: 100%; padding: 0; border: 0; background: #000; cursor: pointer; position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.video__vignette img { width: 100%; height: 100%; object-fit: cover; }
.video__lecture { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 64px; height: 64px; border-radius: 50%; background: var(--rose); color: #fff; font-size: 28px; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,.3); }
.video__cadre { aspect-ratio: 9 / 16; max-height: 70vh; background: #000; }
.video__cadre iframe { width: 100%; height: 100%; border: 0; }
.video__titre { font-size: 1rem; margin: 0; padding: 12px 14px 14px; }
.pastille { display: inline-block; background: var(--jaune-clair); border-radius: 999px; padding: 2px 10px; font-size: .85rem; margin-right: 4px; }

/* Jeux */
.jeu { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; text-decoration: none; color: var(--encre); background: var(--blanc); border-radius: var(--rayon); padding: 22px 14px; box-shadow: 0 4px 16px rgba(0,0,0,.06); transition: transform .12s; }
.jeu:hover { transform: translateY(-3px); }
.jeu__emoji { font-size: 3.2rem; line-height: 1; }
.jeu__titre { font-weight: 800; font-size: 1.1rem; }
.jeu__desc { color: var(--doux); font-size: .95rem; }
.jeu__age { background: var(--vert); color: #fff; border-radius: 999px; padding: 2px 10px; font-size: .8rem; font-weight: 700; }

/* Héros */
.heros { display: flex; flex-direction: column; align-items: center; text-align: center; text-decoration: none; color: var(--encre); background: var(--blanc); border-radius: var(--rayon); padding: 20px; box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.heros img { width: 160px; height: 160px; border-radius: 50%; border: 6px solid var(--jaune-clair); object-fit: cover; }
.heros__nom { font-weight: 900; font-size: 1.3rem; margin-top: 10px; }
.heros__accroche { color: var(--doux); font-size: .95rem; }
.fiche { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: center; max-width: 1100px; margin: 0 auto; padding: 32px 20px 8px; }
.fiche__image { border-radius: var(--rayon); box-shadow: 0 12px 30px rgba(0,0,0,.15); }
.fiche__accroche { font-size: 1.2rem; color: var(--doux); }

.pied { text-align: center; color: var(--doux); padding: 28px 20px 40px; font-size: .95rem; }
.pied a { color: var(--bleu-fonce); }

@media (max-width: 760px) {
  body { font-size: 17px; }
  .bandeau { grid-template-columns: 1fr; padding-top: 20px; }
  .bandeau__heros { height: 230px; max-width: 360px; margin: 0 auto; width: 100%; }
  .fiche { grid-template-columns: 1fr; }
  .fiche__image { max-width: 320px; margin: 0 auto; }
  .tete { padding: 10px 14px; }
  .tete__nav a { padding: 8px 10px; font-size: .95rem; }
}