*{box-sizing:border-box}
:root{--brand-primary:#607d8b;--brand-slate:#516c79;--brand-slate-dark:#40545f;--brand-slate-deep:#2e3b42;--brand-accent:#ff9800;--brand-orange:#ff9800;--brand-orange-dark:#e68a00;--ink:#223746;--muted:#667985;--surface:#fff;--line:#b7c0c8;--user:#71869a;--shadow:0 14px 38px rgba(29,49,70,.12);--container:1180px}
html{scroll-behavior:smooth;scroll-padding-top:90px;background:#eaf1f5}
body{margin:0;min-width:280px;overflow-x:hidden;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#eaf1f5;line-height:1.6;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}
.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
.skip-link{position:fixed;z-index:9999;top:12px;left:12px;transform:translateY(-180%);padding:10px 14px;border-radius:8px;background:#fff;color:var(--ink);box-shadow:0 10px 24px rgba(0,0,0,.06)}
.skip-link:focus{transform:translateY(0)}

/* Cabeçalho do atendimento RCP, alinhado à identidade da landing principal. */
.site-header{position:sticky;z-index:1000;top:0;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(0,0,0,.06);box-shadow:0 2px 8px rgba(0,0,0,.05);backdrop-filter:blur(12px)}
.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:inline-flex;align-items:center;line-height:1;flex:0 0 auto}
.rcp-brand{color:var(--brand-slate-deep)}
.rcp-brand .rcp-chat-nav-logo{width:auto;height:54px;object-fit:contain;display:block}
.main-nav{display:flex;align-items:center;gap:24px;color:var(--brand-slate-deep);font-size:.95rem;font-weight:600}
.main-nav>a:not(.btn){transition:color .2s ease}
.main-nav>a:not(.btn):hover{color:var(--brand-orange)}
.menu-toggle{display:none;width:44px;height:44px;padding:10px;border:0;background:transparent;cursor:pointer;flex:0 0 44px}
.menu-toggle span{display:block;width:24px;height:2px;margin:5px auto;background:var(--brand-slate-deep);transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border:1px solid transparent;border-radius:999px;font-weight:700;line-height:1.2;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease}
.btn-sm{min-height:44px;padding:10px 18px;font-size:.9rem}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background-color:var(--brand-orange);color:#fff;box-shadow:0 10px 24px rgba(255,152,0,.22);border:none}
.btn-primary:hover{background-color:var(--brand-orange-dark)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{outline:3px solid rgba(255,152,0,.35);outline-offset:3px}

.chat-background{position:relative;isolation:isolate;min-height:calc(100vh - 82px);min-height:calc(100svh - 82px);min-height:calc(100dvh - 82px);padding:48px max(20px,env(safe-area-inset-right)) calc(120px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));background:radial-gradient(circle at 8% 10%,rgba(96,125,139,.23),transparent 31%),radial-gradient(circle at 93% 14%,rgba(255,152,0,.13),transparent 25%),linear-gradient(145deg,#f7fafc 0%,#e7eff4 48%,#fff5e8 100%)}
.chat-background:before{content:"";position:fixed;inset:82px 0 0;z-index:-1;pointer-events:none;opacity:.34;background-image:linear-gradient(rgba(96,125,139,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(96,125,139,.045) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,black,transparent 78%)}
.chat-shell{width:min(980px,100%);margin:0 auto;min-width:0}.chat-list{display:flex;flex-direction:column;gap:9px;min-width:0}.chat-row{width:100%;display:flex;align-items:flex-end;gap:14px;animation:messageIn .22s ease;min-width:0}
.avatar-wrap{width:60px;flex:0 0 60px;display:flex;flex-direction:column;align-items:center;gap:7px;min-height:1px}.avatar{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#fff;border:3px solid rgba(255,255,255,.88);box-shadow:0 7px 22px rgba(31,45,66,.15);overflow:hidden}.avatar img{width:48px;height:48px;object-fit:contain}.time,.user-meta{font-size:13px;color:#39445b;white-space:nowrap}
.message-stack{max-width:780px;min-width:0;display:flex;flex-direction:column;gap:8px}.bubble{max-width:100%;padding:19px 32px;background:rgba(255,255,255,.97);border:1px solid rgba(96,125,139,.08);border-radius:18px 18px 18px 3px;box-shadow:0 9px 25px rgba(45,68,89,.07);font-size:20px;line-height:1.42;white-space:pre-wrap;overflow-wrap:anywhere}
.chat-row.user{justify-content:flex-end;align-items:center;padding-left:110px}.user .bubble{max-width:670px;background:linear-gradient(135deg,var(--brand-primary),#73899b);color:#fff;border:0;border-radius:18px 18px 3px 18px;padding:17px 29px;box-shadow:0 10px 28px rgba(62,83,103,.17)}.user-meta{align-self:center}
.typing{width:72px;height:45px;border-radius:14px;background:#fff;box-shadow:0 8px 20px rgba(45,68,89,.07);display:flex;align-items:center;justify-content:center;gap:5px}.typing i{width:7px;height:7px;border-radius:50%;background:var(--brand-primary);animation:pulse 1s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}.sending-status{min-height:62px;max-width:560px;border-radius:16px;background:#fff;box-shadow:0 8px 20px rgba(45,68,89,.09);display:flex;align-items:center;gap:13px;padding:12px 17px;color:var(--ink)}.sending-spinner{width:25px;height:25px;flex:0 0 25px;border:3px solid rgba(77,100,120,.18);border-top-color:var(--brand-primary);border-radius:50%;animation:sendingSpin .8s linear infinite}.sending-copy{display:flex;flex-direction:column;gap:2px;line-height:1.35}.sending-copy strong{font-size:15px;color:var(--ink)}.sending-copy span{font-size:13px;color:#667985}@keyframes sendingSpin{to{transform:rotate(360deg)}}
.option-group{width:calc(100% - 74px);margin:3px 0 18px 74px;animation:messageIn .22s ease;min-width:0}.option-label{display:block;margin:0 0 12px;text-transform:uppercase;font-size:14px;font-weight:600;letter-spacing:.35px;color:#38445b}.option-list{display:grid;gap:8px}.option-list.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.option-button{min-height:68px;padding:14px 20px;border:1.5px solid rgba(96,125,139,.5);border-radius:16px;background:rgba(255,255,255,.76);color:#111827;font-size:18px;line-height:1.18;cursor:pointer;transition:.16s;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:0 6px 18px rgba(45,68,89,.045);overflow-wrap:anywhere}.option-button small{font-size:13px;color:var(--muted);margin-top:5px}.option-button:hover,.option-button:focus-visible{border-color:var(--brand-primary);background:#fff;transform:translateY(-1px);box-shadow:0 9px 24px rgba(45,68,89,.1)}.option-button.selected{background:var(--brand-primary);border-color:var(--brand-primary);color:#fff}.option-button.selected small{color:#fff}
.input-row{align-items:flex-end}.input-card{width:min(570px,calc(100% - 74px));padding:21px 30px 18px;background:rgba(255,255,255,.97);border:1px solid rgba(96,125,139,.1);border-radius:18px 18px 18px 3px;box-shadow:var(--shadow);min-width:0}.input-card label{display:block;font-size:20px;line-height:1.38;margin-bottom:17px}.input-shell{min-height:70px;border:2px solid #5a6068;border-radius:9px;display:flex;align-items:stretch;background:#fff;overflow:hidden}.input-shell:focus-within{border-color:var(--brand-primary);box-shadow:0 0 0 4px rgba(96,125,139,.13)}.input-shell input,.input-shell textarea{min-width:0;width:100%;border:0;outline:0;padding:14px 17px;font-size:18px;color:var(--ink);background:transparent;resize:none}.input-shell textarea{min-height:96px;line-height:1.4}.send-answer{width:62px;min-width:44px;flex:0 0 62px;border:0;background:transparent;color:#aeb6bd;font-size:34px;line-height:1;cursor:pointer;transition:.15s}.send-answer:hover{color:var(--brand-accent)}.send-answer:disabled{opacity:.45;cursor:not-allowed}.input-help{display:flex;justify-content:space-between;gap:10px;min-height:21px;margin-top:7px;font-size:13px;color:#535b72;flex-wrap:wrap}.input-error{margin-top:7px;color:#b42318;font-size:14px}
.file-card{width:min(650px,calc(100% - 74px));padding:21px 24px;background:#fff;border-radius:18px 18px 18px 3px;box-shadow:var(--shadow);min-width:0}.file-card label{display:block;font-size:19px;line-height:1.4;margin-bottom:14px}.file-drop{display:block;border:1.5px dashed #8aa0ac;border-radius:12px;padding:18px;background:#f8fbfc;cursor:pointer;text-align:center}.file-drop strong{display:block;margin-bottom:5px}.file-drop small{display:block;color:var(--muted);line-height:1.45}.file-drop input{display:none}.file-list{display:grid;gap:7px;margin-top:12px}.file-item{display:flex;justify-content:space-between;gap:12px;padding:9px 11px;background:#eef4f7;border-radius:9px;font-size:13px;min-width:0}.file-item strong{min-width:0;overflow-wrap:anywhere}.file-item span{flex:0 0 auto}.file-actions{display:flex;gap:8px;margin-top:13px}.file-actions button{flex:1;min-height:46px;border-radius:10px;border:1px solid #aebbc2;background:#fff;cursor:pointer;font-weight:700}.file-actions .primary{background:var(--brand-primary);border-color:var(--brand-primary);color:#fff}
.consent-note{font-size:13px;color:#53636e;line-height:1.5;margin-top:8px}.final-actions{width:calc(100% - 74px);margin:8px 0 20px 74px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.final-action{min-height:62px;border:0;border-radius:14px;background:#219653;color:#fff;text-decoration:none;font-weight:700;display:flex;align-items:center;justify-content:center;padding:13px 18px;cursor:pointer;text-align:center}.final-action:hover{filter:brightness(.96)}.final-action.secondary{background:#fff;color:var(--ink);border:1px solid #b9c3cc}.scroll-button{position:fixed;z-index:25;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);width:50px;height:50px;border:0;border-radius:50%;background:#fff;box-shadow:0 8px 26px rgba(0,0,0,.18);font-size:29px;cursor:pointer}.chat-error{padding:25px;text-align:center;background:#fff;border-radius:14px}.chat-error button{margin-left:12px}.noscript{padding:20px;text-align:center}.hidden{display:none!important}
@keyframes messageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes pulse{0%,60%,100%{transform:translateY(0);opacity:.45}30%{transform:translateY(-4px);opacity:1}}

@media(max-width:860px){
    .container{width:min(calc(100% - 32px),var(--container))}.header-inner{min-height:74px}.menu-toggle{display:block}.main-nav{position:fixed;inset:74px 0 auto 0;display:none;flex-direction:column;align-items:stretch;gap:4px;padding:18px 16px 24px;color:var(--brand-slate-deep);background:rgba(255,255,255,.98);box-shadow:0 20px 30px rgba(0,0,0,.18)}.main-nav.is-open{display:flex}.main-nav>a:not(.btn){padding:12px 8px}.main-nav .btn{margin-top:8px}.chat-background{min-height:calc(100svh - 74px);min-height:calc(100dvh - 74px);padding:27px max(11px,env(safe-area-inset-right)) calc(94px + env(safe-area-inset-bottom)) max(11px,env(safe-area-inset-left))}.chat-background:before{inset:74px 0 0}.chat-row{gap:8px}.avatar-wrap{width:46px;flex-basis:46px}.avatar{width:44px;height:44px}.avatar img{width:36px;height:36px}.time,.user-meta{font-size:11px}.message-stack{max-width:calc(100% - 54px)}.bubble{font-size:17px;padding:15px 17px}.chat-row.user{padding-left:44px}.user .bubble{font-size:17px;padding:14px 17px}.option-group,.final-actions{width:calc(100% - 54px);margin-left:54px}.option-list.grid{grid-template-columns:1fr 1fr}.option-button{font-size:16px;min-height:58px;padding:11px 10px;border-radius:13px}.input-card,.file-card{width:calc(100% - 54px);padding:17px}.input-card label,.file-card label{font-size:18px}.input-shell{min-height:60px}.input-shell input,.input-shell textarea{font-size:16px;padding:12px}.send-answer{width:50px;flex-basis:50px;font-size:29px}.final-actions{grid-template-columns:1fr}
}
@media(max-width:620px){
    .container{width:min(calc(100% - 24px),var(--container))}.header-inner{min-height:70px;gap:12px}.rcp-brand .rcp-chat-nav-logo{height:46px}.main-nav{inset:70px 0 auto 0}.chat-background{min-height:calc(100svh - 70px);min-height:calc(100dvh - 70px);padding:20px max(8px,env(safe-area-inset-right)) calc(86px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}.chat-background:before{inset:70px 0 0}.avatar-wrap{width:40px;flex-basis:40px}.avatar{width:38px;height:38px}.avatar img{width:31px;height:31px}.message-stack{max-width:calc(100% - 46px)}.option-group,.final-actions{width:calc(100% - 46px);margin-left:46px}.input-card,.file-card{width:calc(100% - 46px)}.option-list.grid{grid-template-columns:1fr}.bubble{font-size:16px}.input-card label,.file-card label{font-size:17px}.file-actions{flex-direction:column}.file-actions button{width:100%}
}
@media(max-width:380px){
    .container{width:min(calc(100% - 18px),var(--container))}.rcp-brand .rcp-chat-nav-logo{height:40px}.header-inner{gap:6px}.menu-toggle{width:42px;flex-basis:42px;padding:9px}.chat-background{padding-inline:max(6px,env(safe-area-inset-left));padding-right:max(6px,env(safe-area-inset-right))}.chat-row{gap:6px}.avatar-wrap{width:34px;flex-basis:34px}.avatar{width:33px;height:33px;border-width:2px}.avatar img{width:27px;height:27px}.message-stack{max-width:calc(100% - 40px)}.option-group,.final-actions{width:calc(100% - 40px);margin-left:40px}.input-card,.file-card{width:calc(100% - 40px);padding:14px}.bubble,.user .bubble{font-size:15px;padding:13px 14px}.option-button{font-size:15px}.input-card label,.file-card label{font-size:16px}.input-shell input,.input-shell textarea{font-size:16px}.user-meta{display:none}.chat-row.user{padding-left:24px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.chat-row,.typing i,.sending-spinner{animation:none}.btn,.option-button{transition:none}}