/* Arcade 3D : héros scindé (texte + île vivante), cartes de jeu, arène plein cadre. Accent saphir. */
.a-heros{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-block:56px 24px}
.a-heros .mc-h1{margin-top:14px}
.a-heros .mc-lead{margin-top:18px}
.a-actions{margin-top:26px}
.a-scene{position:relative;aspect-ratio:1/1;max-width:100%;border-radius:var(--r-xl);overflow:hidden;background:radial-gradient(circle at 50% 30%,#1f3b6b,#0b1430 70%);border:1px solid var(--ligne-douce);box-shadow:0 40px 90px -40px rgba(91,140,255,.6)}
.a-scene canvas{width:100%;height:100%;display:block}
.a-legende{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(10,14,28,.72);backdrop-filter:blur(8px);padding:10px 14px;border-radius:12px;font-size:.88rem;color:var(--doux)}
@media (max-width:900px){.a-heros{grid-template-columns:1fr;padding-top:36px}}

.a-titre-jeux{margin-bottom:24px}
.a-grille{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.a-carte{display:flex;flex-direction:column;text-align:left;padding:0;border:1px solid var(--ligne-douce);background:var(--nuit-2);border-radius:var(--r-l);overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;min-width:0}
.a-carte:hover,.a-carte:focus-visible{transform:translateY(-6px);border-color:var(--saphir);box-shadow:0 30px 60px -30px rgba(91,140,255,.7)}
.a-corps{display:flex;flex-direction:column;gap:8px;padding:20px;flex:1}
.a-desc{color:var(--doux);font-size:.95rem}
.a-pied{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:10px}
.a-record{font-size:.8rem;font-weight:700;color:var(--or-clair)}
@media (max-width:900px){.a-grille{grid-template-columns:1fr}}

/* vignettes dessinées en CSS */
.a-art{position:relative;display:block;height:170px;overflow:hidden}
.a-art-roc{background:radial-gradient(circle at 78% 26%,#ffd98a 0 7%,rgba(242,184,75,.35) 8% 22%,transparent 40%),linear-gradient(170deg,#24407a,#0e1a3a)}
.a-art-roc i{position:absolute;left:50%;height:16px;border-radius:3px;background:linear-gradient(180deg,#e9dcc0,#b9a684);box-shadow:0 2px 0 #6f6047;transform:translateX(-50%)}
.a-art-roc i:nth-child(1){bottom:22px;width:46%}.a-art-roc i:nth-child(2){bottom:40px;width:42%;margin-left:4px}.a-art-roc i:nth-child(3){bottom:58px;width:38%;margin-left:-3px}.a-art-roc i:nth-child(4){bottom:76px;width:34%;margin-left:2px}.a-art-roc i:nth-child(5){bottom:94px;width:30%}
.a-art-roc::after{content:"";position:absolute;left:28%;right:28%;bottom:0;height:24px;background:#3b3550;border-radius:10px 10px 0 0}
.a-art-arche{background:linear-gradient(180deg,#5b7ea3,#24486a 55%,#14365a 56%,#0d2340)}
.a-art-arche b{position:absolute;left:50%;bottom:44px;width:150px;height:44px;transform:translateX(-50%);background:linear-gradient(180deg,#a7703f,#7a4b26);clip-path:polygon(0 0,100% 0,88% 100%,12% 100%)}
.a-art-arche i{position:absolute;left:50%;bottom:86px;width:84px;height:34px;transform:translateX(-50%);background:linear-gradient(180deg,#5d3519,#8a5a30);clip-path:polygon(0 100%,50% 0,100% 100%)}
.a-art-arche::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(100deg,transparent 0 14px,rgba(207,229,238,.18) 14px 15px)}
.a-art-lumiere{background:radial-gradient(ellipse at 50% 120%,#1b2338,transparent 60%),linear-gradient(180deg,#0b0f1b,#151a2c)}
.a-art-lumiere b{position:absolute;left:50%;top:50%;width:26px;height:26px;transform:translate(-50%,-50%) rotate(45deg);background:#ffe7a3;box-shadow:0 0 30px 12px rgba(242,184,75,.55),0 0 90px 30px rgba(242,184,75,.25)}
.a-art-lumiere::after{content:"";position:absolute;left:0;right:0;bottom:16px;height:4px;background:radial-gradient(circle,#f2b84b 0 3px,transparent 4px) 0 0/48px 4px repeat-x;opacity:.6}

/* arène */
.arena{margin-top:28px;background:#060a16;border-radius:var(--r-xl);overflow:hidden;position:relative;border:1px solid var(--ligne);box-shadow:0 50px 120px -40px rgba(0,0,0,.9)}
.arena canvas{display:block;width:100%;height:min(70vh,600px);touch-action:none}
.hud{position:absolute;inset:0 0 auto;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 18px;gap:12px;pointer-events:none;background:linear-gradient(180deg,rgba(6,10,22,.7),transparent)}
.hud-titre{font-family:var(--f-titre);font-weight:700;font-size:1.15rem;letter-spacing:.04em}
.hud-verset{font-size:.85rem;color:var(--doux);max-width:44ch;margin-top:4px}
.hud-droite{text-align:right;display:grid;gap:8px;justify-items:end}
.hud-score{font-family:var(--f-titre);font-size:2rem;font-weight:700;color:var(--or)}
.hud button{pointer-events:auto;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:8px 14px;font-weight:700;min-height:40px}
.overlay{position:absolute;inset:0;display:grid;place-items:center;background:rgba(6,10,22,.74);backdrop-filter:blur(3px);text-align:center;padding:24px}
.ov-boite{max-width:440px;display:grid;gap:14px;justify-items:center}
.ov-boite p{color:var(--doux)}
.touch{position:absolute;bottom:16px;left:0;right:0;display:flex;justify-content:space-between;padding:0 18px;pointer-events:none}
.touch button{pointer-events:auto;width:68px;height:68px;border-radius:50%;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.12);font-size:1.5rem}

/* interrupteur son du HUD (MicatanSon.bouton) */
.hud-boutons{display:flex;gap:8px;align-items:center}
.hud .hud-son{display:grid;place-items:center;width:44px;min-height:44px;padding:0}
.hud .hud-son svg{width:22px;height:22px}
.hud .hud-son[aria-pressed="true"]{background:rgba(242,184,75,.22);border-color:rgba(242,184,75,.55);color:var(--or-clair)}
.hud button:focus-visible{outline:2px solid var(--or);outline-offset:2px}
.hud #closeGame{min-height:44px}
/* le HUD (son, fermer) reste cliquable au-dessus du voile d'intro / de fin */
.hud{z-index:2}