/* =========================================================
   Le petit site d'Anaïs — feuille de style (CSS)
   Le CSS, ce sont les « habits » du site : couleurs, tailles, positions.
   ========================================================= */

/* ---------- 1. Les couleurs (on les range dans des variables) ---------- */
:root {
    --sable:    #f7f0e3;   /* le sable de la plage */
    --sable-2:  #efe3cd;
    --encre:    #1f2a33;   /* le texte */
    --encre-2:  #5b6670;
    --ocean:    #1f9e9a;   /* l'eau turquoise */
    --ocean-f:  #126f6c;
    --blanc:    #fffdf8;

    /* les 3 couleurs d'origine du site, une par page */
    --page-1: #e8584a;     /* rouge « bœuf »   → Accueil */
    --page-2: #f2c230;     /* jaune « pâtes »  → Page 2 */
    --page-3: #4fb85a;     /* vert « salade »  → Page 3 */

    --titre: "Fraunces", Georgia, serif;
    --texte: "Nunito", "Helvetica Neue", Arial, sans-serif;
    --arrondi: 22px;
    --ombre: 0 18px 40px -18px rgba(31, 42, 51, .35);
}

/* ---------- 2. Les bases ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--sable);
    color: var(--encre);
    font-family: var(--texte);
    font-size: 1.08rem;
    line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--titre); line-height: 1.05; margin: 0; font-weight: 700; }
:focus-visible { outline: 3px solid var(--ocean); outline-offset: 3px; border-radius: 6px; }

/* ---------- 3. Le menu (en haut de chaque page) ---------- */
.menu {
    position: sticky; top: 0; z-index: 10;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 12px clamp(16px, 4vw, 40px);
    background: rgba(247, 240, 227, .82);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(31, 42, 51, .08);
}
.menu--sur-photo { position: fixed; left: 0; right: 0; background: transparent; border-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; color: #fff; }
.menu--sur-photo.est-defile { background: rgba(247, 240, 227, .9); color: var(--encre); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-color: rgba(31, 42, 51, .08); }
.logo { font-family: var(--titre); font-weight: 800; font-size: 1.45rem; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.logo span { color: var(--page-1); font-size: 1.1em; }
.menu ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; }
.menu a.bouton-page {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: 999px; text-decoration: none; font-weight: 800; font-size: .95rem;
    background: rgba(255, 255, 255, .55); border: 1px solid rgba(31, 42, 51, .08);
    transition: transform .2s, background .2s;
}
.menu--sur-photo:not(.est-defile) a.bouton-page { background: rgba(255, 255, 255, .18); border-color: rgba(255, 255, 255, .35); }
.menu a.bouton-page:hover { transform: translateY(-2px); }
.menu a.bouton-page i { width: 10px; height: 10px; border-radius: 50%; }
.menu a.bouton-page[aria-current="page"] { background: var(--encre); color: var(--blanc); border-color: var(--encre); }
.p1 i { background: var(--page-1); } .p2 i { background: var(--page-2); } .p3 i { background: var(--page-3); }

/* ---------- 4. La grande photo de l'accueil ---------- */
.photo-geante {
    position: relative; min-height: 100vh; min-height: 100svh;
    display: flex; align-items: flex-end;
    padding: 120px clamp(16px, 5vw, 64px) clamp(48px, 9vh, 96px);
    color: #fff; overflow: hidden;
}
.photo-geante img {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%;
    animation: zoom-doux 18s ease-out both;
}
.photo-geante::after { /* un dégradé pour pouvoir lire le texte */
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10, 30, 40, .45) 0%, rgba(10, 30, 40, 0) 28%, rgba(10, 30, 40, 0) 45%, rgba(10, 30, 40, .78) 100%);
}
.photo-geante__texte { position: relative; z-index: 1; max-width: 720px; }
.petit-titre { display: inline-block; margin: 0 0 14px; padding: 6px 14px; border-radius: 999px; background: rgba(255, 255, 255, .2); border: 1px solid rgba(255, 255, 255, .4); font-weight: 800; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.photo-geante h1 { font-size: clamp(3rem, 9vw, 6.6rem); letter-spacing: -.02em; text-shadow: 0 4px 30px rgba(0, 0, 0, .35); }
.photo-geante h1 em { font-style: italic; color: #ffd27a; }
.photo-geante p.intro { font-size: clamp(1.1rem, 2.2vw, 1.4rem); margin: 18px 0 28px; max-width: 34ch; text-shadow: 0 2px 12px rgba(0, 0, 0, .4); }
@keyframes zoom-doux { from { transform: scale(1.08); } to { transform: scale(1); } }

/* ---------- 5. Les boutons ---------- */
.bouton {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 24px; border-radius: 999px; border: 0; cursor: pointer;
    font: 800 1rem var(--texte); text-decoration: none;
    background: var(--blanc); color: var(--encre);
    box-shadow: 0 10px 24px -10px rgba(0, 0, 0, .45);
    transition: transform .2s, box-shadow .2s;
}
.bouton:hover { transform: translateY(-3px); box-shadow: 0 16px 30px -12px rgba(0, 0, 0, .5); }
.bouton:active { transform: translateY(0); }
.bouton--couleur { background: var(--couleur, var(--ocean)); color: #fff; }

/* ---------- 6. Les sections ---------- */
.section { max-width: 1100px; margin: 0 auto; padding: clamp(56px, 9vw, 110px) clamp(16px, 4vw, 40px); }
.section__tete { max-width: 640px; margin-bottom: 36px; }
.section__tete h2 { font-size: clamp(2rem, 5vw, 3.2rem); }
.section__tete p { color: var(--encre-2); margin: 14px 0 0; font-size: 1.12rem; }

/* bandeau en haut des pages 2 et 3 */
.bandeau {
    position: relative; overflow: hidden;
    background: var(--couleur); color: var(--encre);
    padding: clamp(48px, 9vw, 96px) clamp(16px, 4vw, 40px) clamp(56px, 10vw, 110px);
    text-align: center;
}
.bandeau::after { /* une vague en bas du bandeau */
    content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 48px;
    background: var(--sable);
    -webkit-mask: radial-gradient(40px 26px at 50% 100%, #000 98%, transparent) 0 0 / 80px 48px repeat-x;
            mask: radial-gradient(40px 26px at 50% 100%, #000 98%, transparent) 0 0 / 80px 48px repeat-x;
}
.bandeau .petit-titre { background: rgba(255, 255, 255, .45); border-color: rgba(31, 42, 51, .12); color: var(--encre); }
.bandeau h1 { font-size: clamp(2.6rem, 8vw, 5.4rem); letter-spacing: -.02em; }
.page-2 { --couleur: var(--page-2); }
.page-3 { --couleur: var(--page-3); }
.page-3 .bandeau { color: #fff; }
.page-3 .bandeau .petit-titre { color: #fff; background: rgba(255, 255, 255, .2); border-color: rgba(255, 255, 255, .45); }

/* ---------- 7. Les cartes ---------- */
.cartes { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.carte {
    position: relative; display: flex; flex-direction: column; gap: 10px;
    background: var(--blanc); border-radius: var(--arrondi); padding: 28px 26px;
    box-shadow: var(--ombre); text-decoration: none;
    border-top: 8px solid var(--couleur, var(--ocean));
    transition: transform .25s, box-shadow .25s;
}
a.carte:hover { transform: translateY(-6px) rotate(-.6deg); box-shadow: 0 26px 50px -20px rgba(31, 42, 51, .45); }
.carte__numero { font-family: var(--titre); font-size: 3.4rem; line-height: 1; color: var(--couleur, var(--ocean)); }
.carte h3 { font-size: 1.6rem; }
.carte p { margin: 0; color: var(--encre-2); }
.carte__lien { margin-top: auto; padding-top: 10px; font-weight: 800; }
.c1 { --couleur: var(--page-1); } .c2 { --couleur: var(--page-2); } .c3 { --couleur: var(--page-3); }
.carte__emoji { font-size: 2.6rem; line-height: 1; }

/* ---------- 8. Page 2 : de la balle ---------- */
.de-la-balle { text-align: center; }
.etiquette-verte {
    display: inline-block; background: var(--page-3); color: #fff;
    font-family: var(--titre); font-weight: 800; font-size: clamp(1.8rem, 5vw, 3rem);
    padding: 10px 26px; border-radius: 18px; transform: rotate(-2deg);
    box-shadow: 0 14px 30px -14px rgba(31, 42, 51, .5);
}
.question { font-size: clamp(1.2rem, 2.6vw, 1.6rem); font-style: italic; color: var(--encre-2); margin: 28px 0 22px; }
.reponses { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.reponse-message { min-height: 1.8em; margin: 22px 0 0; font-weight: 800; font-size: 1.25rem; color: var(--ocean-f); }

/* ---------- 9. Page 3 : le polaroïd du chat ---------- */
.polaroid-zone { display: grid; place-items: center; }
.polaroid {
    position: relative; margin: 0; padding: 16px 16px 22px; background: #fff; width: min(560px, 100%);
    box-shadow: 0 30px 60px -24px rgba(31, 42, 51, .55); transform: rotate(-2deg);
    cursor: pointer; transition: transform .3s;
}
.polaroid:hover { transform: rotate(0deg) scale(1.02); }
.polaroid::before { /* le bout de scotch */
    content: ""; position: absolute; top: -16px; left: 50%; width: 130px; height: 34px; margin-left: -65px;
    background: rgba(255, 236, 170, .8); transform: rotate(3deg); box-shadow: 0 2px 4px rgba(0, 0, 0, .08);
}
.polaroid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: 30% 40%; }
.polaroid figcaption { font-family: var(--titre); font-style: italic; font-size: 1.5rem; text-align: center; margin-top: 14px; }
.calins { text-align: center; margin: 26px 0 0; color: var(--encre-2); }
.calins b { font-family: var(--titre); font-size: 1.6rem; color: var(--page-1); }
.coeur-volant { position: fixed; z-index: 50; pointer-events: none; font-size: 1.8rem; animation: s-envole 1.4s ease-out forwards; }
@keyframes s-envole { to { transform: translate(var(--dx), -160px) scale(1.4) rotate(var(--r)); opacity: 0; } }
.miaou { position: absolute; top: 20px; right: 20px; background: var(--encre); color: #fff; font-weight: 800; padding: 6px 14px; border-radius: 999px 999px 999px 4px; opacity: 0; transform: translateY(8px); transition: .25s; pointer-events: none; }
.miaou.est-visible { opacity: 1; transform: none; }

/* ---------- 10. « Comment c'est fait ? » (le coin des curieux) ---------- */
.coulisses {
    max-width: 860px; margin: 0 auto; background: #1f2a33; color: #e8eef2; border-radius: var(--arrondi);
    box-shadow: var(--ombre); overflow: hidden;
}
.coulisses summary {
    list-style: none; cursor: pointer; padding: 20px 26px; font-weight: 800; font-size: 1.1rem;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.coulisses summary::-webkit-details-marker { display: none; }
.coulisses summary::after { content: "+"; font-size: 1.6rem; line-height: 1; transition: transform .25s; }
.coulisses[open] summary::after { transform: rotate(45deg); }
.coulisses__corps { padding: 0 26px 26px; }
.coulisses__corps p { margin: 0 0 14px; color: #b8c4cc; }
.coulisses pre {
    margin: 0; padding: 18px 20px; border-radius: 14px; background: #141c22; overflow-x: auto;
    font: 500 .95rem/1.55 "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}
.b { color: #ff8a7a; }   /* les balises */
.at { color: #ffd27a; }  /* les attributs */
.tx { color: #e8eef2; }  /* le texte */
.co { color: #6f8796; font-style: italic; } /* les commentaires */
.lexique { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-top: 16px; }
.lexique div { background: #141c22; border-radius: 12px; padding: 10px 14px; font-size: .92rem; color: #b8c4cc; }
.lexique code { color: #ff8a7a; font-weight: 700; }

/* ---------- 11. Le pied de page ---------- */
.pied { text-align: center; padding: 40px 16px 48px; color: var(--encre-2); font-size: .95rem; }
.pied .coeur { color: var(--page-1); display: inline-block; animation: bat 1.2s ease-in-out infinite; }
@keyframes bat { 0%, 100% { transform: scale(1); } 15% { transform: scale(1.3); } 30% { transform: scale(1); } 45% { transform: scale(1.2); } }

/* les confettis de la page 2 */
.confetti { position: fixed; top: -20px; z-index: 50; width: 10px; height: 14px; pointer-events: none; animation: tombe linear forwards; }
@keyframes tombe { to { transform: translate(var(--dx), 105vh) rotate(var(--r)); } }

/* apparition douce quand on fait défiler */
.apparait { opacity: 0; transform: translateY(24px); transition: opacity .7s, transform .7s; }
.apparait.est-visible { opacity: 1; transform: none; }

/* ---------- 12. Sur téléphone ---------- */
@media (max-width: 640px) {
    .menu { gap: 6px; padding: 10px 12px; }
    .logo { font-size: 1.15rem; gap: 4px; }
    .menu ul { gap: 4px; }
    .menu a.bouton-page { padding: 6px 10px; font-size: .82rem; gap: 6px; }
    .menu a.bouton-page i { width: 8px; height: 8px; }
    .photo-geante h1 { font-size: 2.9rem; }
    .photo-geante { padding-top: 140px; }
    .photo-geante img { object-position: 50% 50%; }
    .polaroid { padding: 10px 10px 16px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
    .apparait { opacity: 1; transform: none; }
}
.coulisses__corps code { color: #ff8a7a; font-family: "JetBrains Mono", Consolas, monospace; font-size: .92em; }