/* Hero : conversation WhatsApp animée (amélioration progressive, état final par défaut) */
.hero-visual{display:grid;grid-template-columns:repeat(2,max-content);justify-content:center;justify-items:center;column-gap:8px;row-gap:12px;padding:0 0 6px}
.hero-visual .phone{grid-column:1/-1;grid-row:2;position:relative;width:min(290px,78vw);box-shadow:var(--shadow),0 0 0 1px var(--line-2),0 0 90px -24px rgba(34,211,238,.3),inset 0 0 0 1px rgba(255,255,255,.04)}
.phone::before{top:7px;width:78px;height:20px;z-index:4;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.phone::after{content:"";position:absolute;top:13px;left:calc(50% + 22px);width:6px;height:6px;border-radius:50%;background:#0b141a;box-shadow:0 0 0 1px #2a313c;z-index:5}
.phone-status{position:absolute;top:9px;left:0;right:0;display:flex;justify-content:space-between;padding:0 22px;font-size:.625rem;font-weight:700;color:#cfd8dc;z-index:5;pointer-events:none}
.phone-status .sig{width:14px;height:8px;margin-top:2px;background:linear-gradient(90deg,#cfd8dc 0 3px,transparent 3px 4px,#cfd8dc 4px 7px,transparent 7px 8px,#cfd8dc 8px 11px,transparent 11px 12px,#cfd8dc 12px);clip-path:polygon(0 100%,0 70%,28% 70%,28% 45%,56% 45%,56% 20%,100% 20%,100% 100%)}
.phone-bar{padding:36px 14px 10px;position:relative;z-index:1}
.phone-bar small{display:block;transition:color .3s}
.phone-bar small.typing{color:var(--cyan)}
.chat{position:relative;flex:1;min-height:0;overflow:hidden;align-content:center;justify-content:center;padding:14px 12px;gap:8px;transition:opacity .5s var(--ease)}
.chat.fade{opacity:0}
.composer{display:flex;align-items:center;gap:8px;padding:7px 10px 12px;background:#0b141a}
.composer .field{flex:1;min-width:0;height:30px;border-radius:15px;background:#202c33;padding:0 12px;display:flex;align-items:center;font-size:.75rem;color:#e7efe9;overflow:hidden;white-space:nowrap}
.composer .typed:empty::before{content:"Message";color:#7a8a93}
.composer .typed.on::after{content:"";display:inline-block;width:1px;height:12px;margin-left:1px;background:var(--cyan);vertical-align:-2px;animation:hcCaret 1s steps(1) infinite}
.composer .send{width:30px;height:30px;border-radius:50%;background:var(--wa);position:relative;flex:none;transition:transform .2s var(--ease)}
.composer .send::before{content:"";position:absolute;inset:0;margin:auto;width:0;height:0;border-left:9px solid var(--wa-ink);border-top:6px solid transparent;border-bottom:6px solid transparent;transform:translateX(1px)}
.composer .send.tap{transform:scale(.86)}
.glare{position:absolute;inset:0;pointer-events:none;z-index:6;background:linear-gradient(115deg,rgba(255,255,255,.07) 0,rgba(255,255,255,0) 32%);border-radius:inherit}

.msg{max-width:86%;padding:7px 10px 6px;border-radius:10px;box-shadow:0 1px .5px rgba(0,0,0,.35);animation:none;opacity:1;transform:none}
.msg::before{content:"";position:absolute;top:0;width:9px;height:12px;background:inherit}
.msg.in{border-top-left-radius:0}
.msg.in::before{left:-8px;clip-path:polygon(100% 0,0 0,100% 100%)}
.msg.out{border-top-right-radius:0}
.msg.out::before{right:-8px;clip-path:polygon(0 0,100% 0,0 100%)}
.msg .t{display:block}
.msg small{display:flex;justify-content:flex-end;align-items:center;gap:3px;margin-top:2px;line-height:1}
.msg .dots,.msg .glyph{display:none}
.tk{overflow:visible;fill:none;stroke:var(--cyan);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.msg .w{display:inline-block;white-space:nowrap}
.hc .msg .ch{opacity:0}
.hc .msg .ch.on{opacity:1}

/* Mode animé (classe posée par le JS) */
.hc .msg{opacity:0;visibility:hidden}
.hc .msg.show{opacity:1;visibility:visible;animation:hcPop .32s var(--ease) both;transform-origin:0 0}
.hc .msg.out.show{transform-origin:100% 0}
.hc .msg small{opacity:0;transition:opacity .3s}
.hc .msg.done small{opacity:1}
.hc .msg.typing{background:transparent;box-shadow:none}
.hc .msg.typing .t,.hc .msg.typing small{visibility:hidden}
.hc .msg.typing::before{background:#202c33}
.hc .msg .dots{position:absolute;left:0;top:0;display:none;align-items:center;gap:4px;height:30px;padding:0 13px;border-radius:0 12px 12px 12px;background:#202c33;box-shadow:0 1px .5px rgba(0,0,0,.35)}
.hc .msg.typing .dots{display:flex}
.dots b{width:6px;height:6px;border-radius:50%;background:#8fa3ad;animation:hcDot 1.1s ease-in-out infinite}
.dots b:nth-child(2){animation-delay:.15s}
.dots b:nth-child(3){animation-delay:.3s}
.hc .tk .k2{opacity:0;transition:opacity .25s}
.hc .tk{stroke:#8fa3ad;transition:stroke .4s}
.hc .msg.delivered .tk .k2{opacity:1}
.hc .msg.read .tk{stroke:var(--cyan)}

/* Pastilles : autour du téléphone, jamais sur l'écran */
.chip-float{position:relative;inset:auto;z-index:1;gap:6px;padding:6px 11px;font-size:.6875rem;animation:none;transition:opacity .4s,border-color .4s,box-shadow .4s,transform .4s var(--ease);will-change:transform}
.chip-float .ico{width:13px;height:13px}
.chip-float.a{grid-column:1/-1;grid-row:1}
.chip-float.b{grid-column:1;grid-row:3}
.chip-float.c{grid-column:2;grid-row:3}
.hero-visual .caption{position:static;grid-column:1/-1;grid-row:4;margin-top:2px}
.hc .chip-float{opacity:.45;transform:scale(.96)}
.hc .chip-float.lit{opacity:1;transform:scale(1);border-color:var(--cyan);box-shadow:var(--shadow),0 0 0 3px rgba(34,211,238,.14),0 0 22px -4px rgba(34,211,238,.55)}
.hc .chip-float.pulse{animation:hcChip .9s var(--ease)}

@keyframes hcPop{from{opacity:0;transform:translateY(6px) scale(.94)}to{opacity:1;transform:none}}
@keyframes hcDot{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}
@keyframes hcCaret{50%{opacity:0}}
@keyframes hcChip{0%{transform:scale(.96)}45%{transform:scale(1.08)}100%{transform:scale(1)}}

@media (prefers-reduced-motion:reduce){
  .hc .msg,.hc .msg small{opacity:1;visibility:visible;animation:none}
  .hc .chip-float{opacity:1;transform:none}
}
.chip-float.a,.chip-float.b,.chip-float.c{left:auto;right:auto;top:auto;bottom:auto}