/* =========================================================================
   Aiva — Secretária eletrônica virtual — MEDC  |  Página de conteúdo do site
   -------------------------------------------------------------------------
   Header e footer IDÊNTICOS ao /blog/ e ao /agenda/ (mesma marcação
   + ../js/main.js). A peça central é uma conversa de WhatsApp recriada em
   HTML/CSS dentro de uma moldura de iPhone, animada por script.js. Paleta teal.
   ========================================================================= */

:root{
  --brand:#0FA3A0;        /* teal */
  --cta:#0A6B69;          /* teal escuro */
  --cta-hover:#085855;
  --brand-050:#E9F6F5;
  --ink:#12263A;
  --muted:#566573;
  --bg:#F6FAFB;
  --surface:#FFFFFF;
  --line:#E3ECEF;
  --accent:#F4A259;
  --shadow:0 6px 24px rgba(16,38,58,.08);
  --shadow-lg:0 18px 48px rgba(16,38,58,.14);
  --radius:14px;
  --maxw:1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-top:70px;                 /* compensa o header fixo do blog */
  overflow-x:hidden;
}
img{ max-width:100%; display:block; height:auto; }
a{ color:var(--cta); }

.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px; }
.container-narrow{ max-width:760px; }
:target{ scroll-margin-top:84px; }

.skip-link{
  position:absolute; left:-9999px; top:0; background:var(--cta); color:#fff;
  padding:10px 16px; border-radius:0 0 8px 0; z-index:1200;
}
.skip-link:focus{ left:0; }
a:focus-visible, button:focus-visible, summary:focus-visible{
  outline:3px solid var(--accent); outline-offset:2px; border-radius:6px;
}

/* =========================================================================
   HEADER / NAV / FOOTER — iguais ao /blog/ (site principal)
   ========================================================================= */
.menu-overlay{
  display:none; position:fixed; top:0; left:0; right:0; bottom:0;
  background:rgba(0,0,0,.5); z-index:99;
}
.header-nav{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(0,0,0,.05);
  position:fixed; top:0; left:0; right:0; z-index:1000; transition:all .3s ease;
}
.nav-container{
  max-width:1400px; margin:0 auto; display:flex;
  justify-content:space-between; align-items:center; padding:1rem 2rem;
}
.logo{
  display:flex; align-items:center; gap:0; font-size:24px; font-weight:700;
  color:#0052CC; text-decoration:none; pointer-events:auto; cursor:pointer;
}
.logo-img{ height:40px; width:auto; pointer-events:none; }
.nav-menu{ display:flex; list-style:none; gap:2rem; align-items:center; }
.nav-menu a{
  color:#374151; text-decoration:none; font-weight:500;
  transition:color .3s ease; position:relative;
}
.nav-menu a:hover{ color:#0052CC; }
.nav-menu a:after{
  content:''; position:absolute; bottom:-8px; left:0; width:0; height:2px;
  background:#0052CC; transition:width .3s ease;
}
.nav-menu a:hover:after{ width:100%; }

/* Dropdown "Recursos" */
.nav-menu .has-submenu{ position:relative; }
.nav-menu .submenu-toggle{ display:inline-flex; align-items:center; gap:6px; }
.nav-menu .caret{ transition:transform .2s ease; }
.nav-menu .has-submenu:hover .caret,
.nav-menu .has-submenu:focus-within .caret{ transform:rotate(180deg); }
.nav-menu .submenu{
  list-style:none; position:absolute; top:calc(100% + 10px); left:0; min-width:236px;
  background:#fff; border:1px solid #e5e7eb; border-radius:10px;
  box-shadow:0 14px 34px rgba(16,38,58,.16); padding:8px;
  opacity:0; visibility:hidden; transform:translateY(6px);
  transition:opacity .18s ease, transform .18s ease, visibility .18s; z-index:1001;
}
.nav-menu .submenu::before{ content:''; position:absolute; top:-12px; left:0; right:0; height:12px; }
.nav-menu .has-submenu:hover .submenu,
.nav-menu .has-submenu:focus-within .submenu{ opacity:1; visibility:visible; transform:translateY(0); }
.nav-menu .submenu li{ margin:0; }
.nav-menu .submenu a{ display:block; padding:10px 12px; border-radius:8px; color:#374151; font-weight:500; white-space:nowrap; }
.nav-menu .submenu a:hover{ background:#eef4ff; color:#0052CC; }
.nav-menu .submenu a::after{ display:none; }
@media (max-width:768px){
  .nav-menu .submenu{
    position:static; opacity:1; visibility:visible; transform:none;
    box-shadow:none; border:none; background:transparent; padding:2px 0 2px 14px; min-width:0;
  }
  .nav-menu .submenu::before{ display:none; }
  .nav-menu .caret{ display:none; }
}
.cta-button{
  background:linear-gradient(135deg,#0052CC,#2684FF); color:white;
  padding:12px 24px; border:none; border-radius:8px; text-decoration:none;
  font-weight:600; transition:all .3s ease;
  box-shadow:0 4px 12px rgba(0,82,204,.2); cursor:pointer;
}
.cta-button:hover{ transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,82,204,.3); }
.mobile-menu-toggle{
  display:none; background:none; border:none; cursor:pointer;
  flex-direction:column; gap:5px;
}
.mobile-menu-toggle span{ width:25px; height:3px; background:#1a1a1a; transition:.3s; }

@media (max-width:768px){
  .nav-container{ padding:4px 20px; }
  .mobile-menu-toggle{ display:flex; }
  .nav-wrapper{ display:none; }
  .nav-wrapper.active{
    display:block; position:absolute; top:70px; left:0; right:0;
    background:white; border-bottom:1px solid #e5e7eb;
  }
  .nav-menu{ flex-direction:column; gap:15px; padding:20px; }
  .cta-button{ display:none; }
}

/* Footer (site principal) */
.footer{ background:#1a1a1a; color:white; padding:60px 0 30px; margin-top:0; }
.section-container{ max-width:1400px; margin:0 auto; padding:0 2rem; }
.footer-content{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:3rem; margin-bottom:2rem;
}
.footer-section h4{ margin-bottom:1.5rem; color:#ffffff; font-weight:700; }
.footer-section p{ color:#94a3b8; line-height:1.6; }
.footer-section ul{ list-style:none; }
.footer-section ul li{ margin-bottom:.75rem; }
.footer-section ul li a{ color:#94a3b8; text-decoration:none; transition:color .3s ease; }
.footer-section ul li a:hover{ color:white; }
.footer-bottom{ border-top:1px solid #374151; padding-top:2rem; text-align:center; color:#64748b; }
.footer-bottom p{ margin-bottom:10px; color:#64748b; }
.footer-bottom a{ color:#64748b; text-decoration:none; transition:color .3s ease; }
.footer-bottom a:hover{ color:#ffffff; }

@media (max-width:768px){
  .footer-content{ grid-template-columns:1fr; }
  .section-container{ padding:0 20px; }
}

/* =========================================================================
   CONTEÚDO
   ========================================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:700; text-decoration:none; cursor:pointer; border:none;
  border-radius:10px; transition:transform .15s ease, background .2s ease, box-shadow .2s ease;
  line-height:1.1; text-align:center;
}
.btn-primary{ background:var(--cta); color:#fff; box-shadow:0 6px 16px rgba(10,107,105,.28); }
.btn-primary:hover{ background:var(--cta-hover); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:var(--cta); border:2px solid var(--line); }
.btn-ghost:hover{ border-color:var(--brand); color:var(--cta-hover); }
.btn-lg{ padding:16px 26px; font-size:1.05rem; }

/* Hero */
.hero{ padding:44px 0 22px; text-align:center; }
.hero-inner{ max-width:820px; margin:0 auto; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.86rem; font-weight:700; letter-spacing:.02em;
  color:var(--cta); background:var(--brand-050);
  padding:7px 14px; border-radius:999px; margin-bottom:18px;
}
.eyebrow .dot{ width:8px; height:8px; border-radius:50%; background:var(--brand); }
h1{
  font-size:clamp(2rem, 6vw, 3.3rem); line-height:1.12; font-weight:800;
  letter-spacing:-.02em; margin-bottom:18px;
}
.hl{ color:var(--cta); box-shadow:inset 0 -.42em 0 rgba(244,162,89,.35); }
.hero-sub{ font-size:clamp(1.05rem,2.4vw,1.25rem); color:var(--muted); max-width:660px; margin:0 auto 26px; }
.hero-cta{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.hero-trust{ margin-top:18px; font-size:.9rem; color:var(--muted); }

/* =========================================================================
   CONVERSA ANIMADA — moldura de iPhone + interface do WhatsApp (CSS puro)
   Sem imagem de mockup. As mensagens entram por JS (script.js); sem JS ou
   com prefers-reduced-motion, a conversa aparece inteira e estática.
   ========================================================================= */
.chat-demo{ padding:10px 0 8px; }
.chat-stage{ display:flex; justify-content:center; }

/* --- moldura do iPhone --- */
.iphone{
  position:relative;
  width:min(342px, 86vw);
  aspect-ratio:1179 / 2556;                 /* proporção iPhone 15 Pro */
  background:#0b0b0e;
  border-radius:54px;
  padding:13px;
  box-shadow:0 30px 60px rgba(16,38,58,.34), 0 6px 16px rgba(16,38,58,.2),
             inset 0 0 0 2px #26262d;
}
/* botões laterais (detalhe) */
.iphone::before{
  content:""; position:absolute; left:-2px; top:150px; width:3px; height:64px;
  background:#17171c; border-radius:3px 0 0 3px;
}
.iphone::after{
  content:""; position:absolute; right:-2px; top:120px; width:3px; height:96px;
  background:#17171c; border-radius:0 3px 3px 0;
}
.iphone-screen{
  position:relative; width:100%; height:100%;
  border-radius:42px; overflow:hidden;
  background:#efeae2; display:flex; flex-direction:column;
}
.dynamic-island{
  position:absolute; top:10px; left:50%; transform:translateX(-50%);
  width:33%; max-width:118px; height:26px; background:#000;
  border-radius:16px; z-index:7;
}

/* topo verde: barra de status do iOS + cabeçalho do WhatsApp */
.wa-top{ flex:0 0 auto; background:#008069; color:#fff; }
.wa-status{
  display:flex; align-items:flex-end; justify-content:space-between;
  height:40px; padding:0 20px 4px; font-size:12.5px; font-weight:600;
}
.wa-status .clock{ font-variant-numeric:tabular-nums; letter-spacing:.02em; }
.wa-status .sysicons{ display:inline-flex; align-items:center; gap:6px; }
.wa-status svg{ display:block; }
.wa-header{ display:flex; align-items:center; gap:9px; padding:2px 10px 9px; }
.wa-header .ico{ opacity:.96; flex:0 0 auto; }
.wa-avatar{
  flex:0 0 auto; width:38px; height:38px; border-radius:50%;
  background:linear-gradient(150deg,#22c3bf,#0A6B69);
  display:inline-flex; align-items:center; justify-content:center; color:#fff;
}
.wa-id{ flex:1 1 auto; min-width:0; line-height:1.18; }
.wa-name{ font-weight:600; font-size:15px; }
.wa-presence{ font-size:12px; color:rgba(255,255,255,.86); }
.wa-actions{ display:inline-flex; align-items:center; gap:18px; opacity:.96; flex:0 0 auto; }

/* área da conversa — rola sozinha conforme enche */
.wa-chat{
  flex:1 1 auto; min-height:0; overflow-y:auto; overflow-x:hidden;
  padding:10px 8px 8px; display:flex; flex-direction:column; gap:2px;
  background-color:#efeae2; scroll-behavior:smooth;
}
.wa-chat::-webkit-scrollbar{ width:0; height:0; }
.wa-daychip{
  align-self:center; margin:2px 0 8px; padding:5px 12px; border-radius:8px;
  background:#fff; color:#54656f; font-size:12px; font-weight:600;
  box-shadow:0 1px .5px rgba(11,20,26,.13);
}

/* bolhas */
.msg{ display:flex; max-width:100%; padding:1px 2px; }
.msg.in{ justify-content:flex-start; }
.msg.out{ justify-content:flex-end; }
.bubble{
  position:relative; max-width:82%; padding:6px 9px 7px; border-radius:8px;
  font-size:14.5px; line-height:1.34; color:#111b21;
  box-shadow:0 1px .5px rgba(11,20,26,.13); overflow-wrap:anywhere;
}
.msg.in  .bubble{ background:#fff;     border-top-left-radius:2px; }
.msg.out .bubble{ background:#d9fdd3;  border-top-right-radius:2px; }
.msg.in  .bubble::before{
  content:""; position:absolute; top:0; left:-7px; width:8px; height:12px;
  background:#fff; clip-path:polygon(100% 0, 0 0, 100% 100%);
}
.msg.out .bubble::before{
  content:""; position:absolute; top:0; right:-7px; width:8px; height:12px;
  background:#d9fdd3; clip-path:polygon(0 0, 100% 0, 0 100%);
}
.bubble p{ margin:0; white-space:pre-wrap; }
.bubble strong{ font-weight:600; }
.bubble .meta{
  float:right; display:inline-flex; align-items:center; gap:3px;
  margin:5px 0 -2px 10px; font-size:11px; color:#667781; line-height:1;
  transform:translateY(2px);
}
.bubble .tick{ color:#53bdeb; display:inline-flex; }   /* duplo tique azul */

/* mensagem de voz (áudio) */
.bubble.voice{ min-width:212px; padding-top:8px; }
.voice .v-row{ display:flex; align-items:center; gap:9px; }
.v-play{ flex:0 0 auto; background:none; border:none; padding:0; cursor:pointer; color:#51616b; display:inline-flex; }
.v-wave{ position:relative; flex:1 1 auto; height:22px; display:flex; align-items:center; gap:2px; overflow:hidden; }
.v-wave i{ display:block; width:2px; border-radius:2px; background:#a7b8bd; flex:0 0 auto; }
.v-dot{ position:absolute; left:2px; top:50%; width:9px; height:9px; border-radius:50%; background:#51616b; transform:translateY(-50%); }
.bubble.voice.playing .v-dot{ left:calc(100% - 7px); }
.v-avatar{
  position:relative; flex:0 0 auto; width:30px; height:30px; border-radius:50%;
  background:linear-gradient(150deg,#9aa7ae,#6b7a80);
  display:inline-flex; align-items:center; justify-content:center; color:#fff;
}
.v-avatar .mic{
  position:absolute; right:-3px; bottom:-3px; width:16px; height:16px; border-radius:50%;
  background:#25d366; color:#fff; display:inline-flex; align-items:center; justify-content:center;
  box-shadow:0 0 0 2px #d9fdd3;
}
.voice .meta{ margin-top:4px; }
.voice .v-dur{ margin-right:6px; color:#667781; }

/* card estruturado (resumo / confirmação) */
.bubble.as-card .card-title{ display:block; font-weight:600; margin-bottom:5px; }
.bubble.as-card ul{ list-style:none; margin:0 0 4px; padding:0; display:grid; gap:2px; }
.bubble.as-card li{ position:relative; padding-left:14px; font-size:14px; }
.bubble.as-card li::before{ content:"·"; position:absolute; left:4px; color:#667781; }
.bubble.as-card .card-foot{ display:block; margin-top:7px; }

/* destaque do desfecho */
.msg.destaque .bubble{
  box-shadow:0 0 0 2px rgba(15,163,160,.6), 0 8px 20px rgba(10,107,105,.24);
}
.msg.destaque .card-title{ color:var(--cta); }

/* indicador "digitando…" */
.typing .bubble{ padding:9px 12px; }
.typing-dots{ display:inline-flex; gap:4px; align-items:center; }
.typing-dots span{
  width:7px; height:7px; border-radius:50%; background:#9aa6ac;
  animation:wa-blink 1.25s infinite ease-in-out;
}
.typing-dots span:nth-child(2){ animation-delay:.18s; }
.typing-dots span:nth-child(3){ animation-delay:.36s; }
@keyframes wa-blink{ 0%,60%,100%{ opacity:.35; transform:translateY(0); } 30%{ opacity:1; transform:translateY(-3px); } }

/* animação de entrada das mensagens */
.wa-chat .anim{ animation:msg-pop .3s ease both; }
@keyframes msg-pop{ from{ opacity:0; transform:translateY(8px) scale(.98); } to{ opacity:1; transform:none; } }
.msg.destaque.anim{ animation:msg-dest .55s ease both; }
@keyframes msg-dest{ 0%{ opacity:0; transform:translateY(8px) scale(.9); } 60%{ transform:scale(1.03); } 100%{ opacity:1; transform:none; } }

/* barra de digitação (estática, só estética) */
.wa-input{
  flex:0 0 auto; display:flex; align-items:center; gap:7px;
  padding:7px 8px; background:#f0f2f5;
}
.wa-input .field{
  flex:1 1 auto; background:#fff; border-radius:20px; padding:8px 14px;
  color:#8696a0; font-size:13px; box-shadow:0 1px .5px rgba(11,20,26,.1);
}
.wa-input .send{
  flex:0 0 auto; width:38px; height:38px; border-radius:50%; background:#008069;
  color:#fff; display:inline-flex; align-items:center; justify-content:center;
}

/* botão "ver de novo" */
.chat-replay{ display:flex; justify-content:center; margin-top:22px; }
.btn-replay{
  display:inline-flex; align-items:center; gap:8px; background:var(--surface);
  color:var(--cta); border:2px solid var(--line); border-radius:999px;
  padding:9px 18px; font-weight:700; font-size:.95rem; cursor:pointer;
  transition:border-color .2s, color .2s, transform .15s;
}
.btn-replay:hover{ border-color:var(--brand); color:var(--cta-hover); transform:translateY(-1px); }
.btn-replay svg{ transition:transform .4s ease; }
.btn-replay:hover svg{ transform:rotate(-180deg); }

.demo-caption{ text-align:center; color:var(--muted); font-weight:600; margin-top:16px; font-size:.95rem; }

@media (prefers-reduced-motion:reduce){
  .wa-chat{ scroll-behavior:auto; }
  .wa-chat .anim, .msg.destaque.anim{ animation:none; }
}

/* Seções */
.section{ padding:64px 0; }
.section-alt{ background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-title{ font-size:clamp(1.6rem,4vw,2.3rem); font-weight:800; letter-spacing:-.02em; text-align:center; }
.section-lead{ text-align:center; color:var(--muted); max-width:640px; margin:12px auto 0; font-size:1.05rem; }

/* Cards de funcionalidades */
.cards{ display:grid; gap:20px; margin-top:38px; }
.card{ background:var(--bg); border:1px solid var(--line); border-radius:var(--radius); padding:26px 22px; }
.section-alt .card{ background:var(--surface); }
.card-ico{ display:inline-flex; color:var(--cta); background:var(--brand-050); padding:11px; border-radius:12px; }
.card h3{ margin:14px 0 6px; font-size:1.12rem; }
.card p{ color:var(--muted); font-size:.97rem; }

/* Linhas alternadas imagem + texto */
.feature-row{ display:grid; gap:24px; align-items:center; margin-top:52px; }
.feature-row:first-of-type{ margin-top:38px; }
.fr-media img{ width:100%; height:auto; aspect-ratio:16 / 9; object-fit:cover; border-radius:var(--radius); border:1px solid var(--line); box-shadow:var(--shadow); }
.fr-text h3{ font-size:clamp(1.3rem,3vw,1.6rem); font-weight:800; letter-spacing:-.01em; margin-bottom:10px; }
.fr-text p{ color:var(--muted); }
.fr-list{ list-style:none; margin-top:14px; display:grid; gap:8px; }
.fr-list li{ position:relative; padding-left:28px; color:var(--ink); }
.fr-list li::before{
  content:""; position:absolute; left:0; top:.15em; width:18px; height:18px; border-radius:50%;
  background:var(--brand-050) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230A6B69' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
}
@media(min-width:820px){
  .feature-row{ grid-template-columns:1fr 1fr; gap:48px; }
  .feature-row.reverse .fr-media{ order:2; }
}

/* Destaque (faixa) */
.highlight{
  margin-top:44px; display:grid; gap:26px 34px; grid-template-columns:1fr;
  background:linear-gradient(150deg,var(--cta),var(--brand)); color:#fff;
  border-radius:var(--radius); padding:30px 32px; box-shadow:var(--shadow-lg);
}
.highlight-item{ display:flex; align-items:flex-start; gap:16px; }
.hi-ico{
  flex:0 0 auto; width:48px; height:48px; border-radius:12px;
  display:inline-flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.16); color:#fff;
}
.highlight-item h3{ font-size:1.18rem; margin:2px 0 6px; }
.highlight-item p{ color:rgba(255,255,255,.92); font-size:.98rem; }
.highlight-item strong{ color:#fff; }

/* FAQ */
.faq{ margin-top:30px; display:grid; gap:12px; }
.faq details{ background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:2px 20px; }
.faq summary{
  cursor:pointer; font-weight:700; padding:18px 0; list-style:none;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; font-size:1.5rem; color:var(--cta); font-weight:700; line-height:1; }
.faq details[open] summary::after{ content:"–"; }
.faq details p{ color:var(--muted); padding:0 0 18px; }

/* CTA final */
.cta-final{ text-align:center; padding:72px 0; background:linear-gradient(160deg,#0A6B69,#0FA3A0); color:#fff; }
.cta-final h2{ font-size:clamp(1.7rem,4vw,2.4rem); font-weight:800; letter-spacing:-.02em; }
.cta-final p{ max-width:560px; margin:14px auto 26px; color:rgba(255,255,255,.92); font-size:1.08rem; }
.cta-final .btn-primary{ background:#fff; color:var(--cta); box-shadow:0 10px 26px rgba(0,0,0,.2); }
.cta-final .btn-primary:hover{ background:#f0fbfa; }
.cta-alt{ margin-top:16px; font-size:.95rem; }
.cta-alt a{ color:#fff; text-decoration:underline; }

/* Responsivo */
@media (min-width:720px){
  .cards{ grid-template-columns:repeat(2,1fr); }
  .highlight{ grid-template-columns:1fr 1fr; }
}
@media (min-width:1000px){
  .cards{ grid-template-columns:repeat(3,1fr); }
  .hero{ padding:64px 0 26px; }
}

/* Movimento reduzido: sem autoplay/transições grandes (ver script.js) */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; animation-duration:.001ms !important; }
}