/* L'IA au cœur : une phrase, une facture envoyée (démonstration animée) */
#ai{background:linear-gradient(180deg,var(--deep),#062f36);color:#fff;position:relative;overflow:hidden}
#ai:before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 85% 10%,rgba(27,156,178,.32),transparent 60%);pointer-events:none}
#ai .wrap{position:relative}
#ai .head h2{color:#fff}
.aid{display:grid;grid-template-columns:1fr 1.05fr;gap:26px;align-items:start}
.aid>*{min-width:0}
.ai-in{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);padding:26px;backdrop-filter:blur(6px)}
.ai-in h3{font-size:19px;margin-bottom:14px;display:flex;gap:10px;align-items:center}
.ai-in h3 i{font-style:normal;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--brand2),var(--brand));display:grid;place-items:center;font-size:17px}
.ai-box{background:#fff;color:var(--ink);border-radius:16px;padding:16px 18px;min-height:96px;font-size:18px;font-weight:600;line-height:1.4;border:2px solid transparent;transition:border-color .2s}
.ai-box.on{border-color:var(--brand2)}
.ai-box .cur{display:inline-block;width:2px;height:1.1em;background:var(--brand);vertical-align:-3px;margin-left:2px;animation:aiBl 1s steps(1) infinite}
@keyframes aiBl{50%{opacity:0}}
.ai-chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 4px}
.ai-chip{font:inherit;font-size:14px;font-weight:650;padding:9px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06);color:#d6ebef;cursor:pointer;transition:all .15s;text-align:left}
.ai-chip:hover{background:rgba(255,255,255,.14)}
.ai-chip.on{background:var(--mint);color:#041d21;border-color:var(--mint)}
.ai-note{font-size:13px;color:#a9cbc6;margin:12px 0 0}
.ai-out{display:grid;gap:12px}
.ai-step{background:#fff;color:var(--ink);border-radius:18px;padding:16px 18px;box-shadow:0 24px 50px -30px rgba(0,0,0,.6);opacity:0;transform:translateY(14px);transition:opacity .45s,transform .45s;display:none}
.ai-step.show{display:block}.ai-step.in{opacity:1;transform:none}
.ai-step .ai-st{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);margin-bottom:8px}
.ai-step .ai-st .ok{margin-left:auto;background:#dcfce7;color:#166534;border-radius:999px;padding:3px 10px;font-size:11.5px;letter-spacing:0;text-transform:none}
.ai-step .ln{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--line);font-size:15px}
.ai-step .ln:last-child{border-bottom:0}
.ai-step .ln span:first-child{min-width:0;overflow-wrap:anywhere}
.ai-step .ln.t{font-weight:800;font-size:17px}
.ai-cl{display:flex;gap:12px;align-items:center}
.ai-cl .av{width:42px;height:42px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.ai-cl small{display:block;color:var(--muted)}
.ai-send{display:flex;align-items:center;gap:12px}
.ai-send .pl{font-size:26px;display:inline-block;transition:transform 1.1s cubic-bezier(.5,0,.2,1),opacity 1.1s}
.ai-send.go .pl{transform:translateX(70px) translateY(-8px) rotate(-8deg);opacity:0}
.ai-send b{font-size:16px}
.ai-cta{margin-top:26px;text-align:center;opacity:0;transition:opacity .5s;pointer-events:none}
.ai-cta.show{opacity:1;pointer-events:auto}
.ai-replay{font:inherit;background:none;border:0;color:var(--mint);font-weight:700;cursor:pointer;text-decoration:underline;margin-left:14px}
@media (max-width:860px){.aid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.ai-step,.ai-send .pl{transition:none}.ai-box .cur{animation:none}}

/* dictée dans la démonstration : l'onde remplace le curseur */
.ai-lis{display:inline-flex;align-items:center;gap:12px;color:var(--brand);font-size:16px}
.ai-wave{display:inline-flex;align-items:center;gap:3px;height:26px;vertical-align:middle}
.ai-wave i{width:4px;height:100%;border-radius:4px;background:linear-gradient(var(--brand2),var(--brand));animation:aiWv 1s ease-in-out infinite;transform-origin:center}
.ai-wave i:nth-child(2n){animation-delay:-.35s}.ai-wave i:nth-child(3n){animation-delay:-.7s}.ai-wave i:nth-child(5n){animation-delay:-.15s}
.ai-wave.sm{height:16px;margin-left:8px;gap:2px}.ai-wave.sm i{width:3px}
@keyframes aiWv{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}

/* accueil : barre de saisie IA */
.aic{width:100%;max-width:720px;margin:-8px auto 0;position:relative;z-index:3;text-align:left}
.aic-bar{display:flex;align-items:center;gap:12px;min-height:64px;padding:10px 10px 10px 14px;border-radius:20px;background:rgba(255,255,255,.96);color:var(--ink);box-shadow:0 30px 60px -24px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.4),0 0 0 6px rgba(94,213,234,.14);transition:box-shadow .3s}
.aic.voice .aic-bar{box-shadow:0 30px 60px -24px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.4),0 0 0 6px rgba(52,211,153,.22)}
.aic-mode{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:#e6f6f8}
.aic.voice .aic-mode{background:#d1fae5;animation:aicPulse 1.4s ease-out infinite}
.aic-wave{display:none;align-items:center;gap:3px;height:22px;flex:none}
.aic.voice:not(.typed) .aic-wave{display:inline-flex}
.aic-wave i{width:3px;height:100%;border-radius:3px;background:#10b981;animation:aiWv .9s ease-in-out infinite}
.aic-wave i:nth-child(2n){animation-delay:-.3s}.aic-wave i:nth-child(3n){animation-delay:-.6s}
.aic-txt{flex:1;min-width:0;font-size:17px;font-weight:600;line-height:1.35;overflow-wrap:anywhere}
.aic-txt:after{content:"";display:inline-block;width:2px;height:1.05em;margin-left:2px;vertical-align:-2px;background:var(--brand);animation:aiBl 1s steps(1) infinite}
.aic.typed .aic-txt:after{display:none}
.aic-go{flex:none;display:inline-flex;align-items:center;gap:6px;padding:11px 16px;border-radius:14px;background:linear-gradient(135deg,var(--brand2),var(--brand));color:#fff;font-weight:750;font-size:15px;opacity:.45;transition:opacity .25s,transform .25s}
.aic.typed .aic-go{opacity:1}
.aic.think .aic-go{animation:aicGo .9s ease-in-out infinite}
.aic-res{display:flex;align-items:center;gap:12px;margin:12px auto 0;width:fit-content;max-width:100%;padding:10px 14px 10px 10px;border-radius:16px;background:#fff;color:var(--ink);box-shadow:0 24px 50px -20px rgba(0,0,0,.55);opacity:0;transform:translateY(-10px) scale(.97);transition:opacity .45s,transform .45s cubic-bezier(.2,.8,.2,1);pointer-events:none}
.aic.done .aic-res{opacity:1;transform:none}
.aic.out .aic-res{opacity:0;transform:translateY(6px)}
.aic-ic{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#e6f6f8;font-size:18px}
.aic-doc{display:flex;flex-direction:column;min-width:0;line-height:1.25}
.aic-doc b{font-size:14.5px}.aic-doc small{color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.aic-amt{font-weight:800;font-size:16px;white-space:nowrap}
.aic-ok{flex:none;background:#dcfce7;color:#166534;border-radius:999px;padding:4px 10px;font-size:12.5px;font-weight:700;white-space:nowrap}
@keyframes aicPulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.45)}100%{box-shadow:0 0 0 12px rgba(16,185,129,0)}}
@keyframes aicGo{50%{transform:scale(1.06);box-shadow:0 0 0 6px rgba(27,156,178,.25)}}
@media (max-width:620px){.aic-bar{min-height:58px;gap:10px;padding:8px 8px 8px 10px}.aic-mode{width:34px;height:34px;font-size:17px}.aic-txt{font-size:15px}.aic-go{padding:10px 12px;font-size:0}.aic-go .aic-gl{display:none}.aic-go{font-size:17px}.aic-res{flex-wrap:wrap;justify-content:center}.aic-ok{order:3}}

/* vos agents IA */
#agents{background:radial-gradient(900px 420px at 50% -10%,#dff3f6,transparent 70%),var(--bg)}
.agb{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.ag{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.ag:hover{transform:translateY(-4px);box-shadow:0 30px 60px -34px rgba(4,29,33,.45)}
.ag:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--brand2),#34d399,#fde68a);opacity:0;transition:opacity .2s}
.ag:hover:before{opacity:1}
.ag-ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:23px;background:linear-gradient(135deg,#e2f5f8,#d1fae5)}
.ag h3{font-size:19px;margin:16px 0 8px}
.ag p{margin:0;color:var(--muted);font-size:15.5px}
.ag-q{margin-top:auto;padding-top:16px;font-size:14px;font-weight:650;color:var(--brand)}
.ag-q:before{content:"";display:block;height:1px;background:var(--line);margin-bottom:12px}
.ag-wave{margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:4px;height:46px}
.ag-wave i{flex:1;max-width:6px;height:100%;border-radius:6px;background:linear-gradient(var(--brand2),#34d399);animation:aiWv 1.1s ease-in-out infinite}
.ag-wave i:nth-child(2n){animation-delay:-.4s}.ag-wave i:nth-child(3n){animation-delay:-.75s}.ag-wave i:nth-child(5n){animation-delay:-.2s}
.ag-big{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;padding:32px;background:linear-gradient(150deg,#07323a,#041d21);border-color:#0b414a;color:#fff}
.ag-big p{color:#b9d2d6;font-size:16.5px}
.ag-big h3{font-size:clamp(22px,2.6vw,30px);color:#fff}
.ag-big .ag-ic{background:rgba(255,255,255,.1)}
.ag-soon{position:absolute;top:22px;right:22px;padding:5px 12px;border-radius:999px;background:var(--amber);color:#3a2a00;font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.ag-txt{position:relative}
.ag-txt .ag-soon{position:static;display:inline-block;margin-bottom:14px}
.ag-feed{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:14px;display:grid;gap:10px}
.ag-fh{display:flex;justify-content:space-between;align-items:center;padding:2px 4px 4px;font-size:13px;color:#a9cbc6}
.ag-fh b{color:#fff;font-size:14px}
.ag-it{display:flex;align-items:center;gap:12px;background:#fff;color:var(--ink);border-radius:14px;padding:11px 12px;opacity:0;transform:translateX(16px);transition:opacity .5s,transform .5s}
.ag-big.in .ag-it{opacity:1;transform:none}
.ag-big.in .ag-it:nth-child(3){transition-delay:.15s}.ag-big.in .ag-it:nth-child(4){transition-delay:.3s}
.ag-it>i{flex:none;font-style:normal;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:17px}
.ag-it.r>i{background:#fee2e2}.ag-it.a>i{background:#fef3c7}.ag-it.g>i{background:#dcfce7}
.ag-it>div{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}
.ag-it b{font-size:14.5px}.ag-it small{color:var(--muted);font-size:12.5px}
.ag-it>span{flex:none;padding:6px 12px;border-radius:10px;font-size:13px;font-weight:750;background:var(--brand);color:#fff}
.ag-it.a>span{background:#f59e0b}
.ag-note{text-align:center;color:var(--muted);font-size:14.5px;margin:22px 0 0}
.ag-note:before{content:"🛡️ "}
@media (max-width:1000px){.agb{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.ag-big{grid-template-columns:1fr;padding:24px;gap:22px}}
@media (max-width:560px){.agb{grid-template-columns:1fr}.ag-it>span{display:none}}
@media (prefers-reduced-motion:reduce){.ai-wave i,.aic-wave i,.ag-wave i,.aic.voice .aic-mode,.aic.think .aic-go,.aic-txt:after{animation:none}.ag-it{opacity:1;transform:none;transition:none}}