/* ============================================================
   AtendExpress — Landing page (saúde) · tema claro
   CSS puro, sem dependências. Tokens derivados de DESIGN_SYSTEM.md
   ============================================================ */

:root{
  /* Marca — azul clínico */
  --brand:#1E5FA5; --brand-hover:#184E89; --brand-active:#133E6E;
  --brand-soft:#E6F1FB; --brand-contrast:#FFFFFF;

  /* Superfícies */
  --bg:#F1F4F7; --surface:#FFFFFF; --surface-2:#F7F9FB; --surface-inset:#EEF2F6;

  /* Texto */
  --text:#1A2430; --text-soft:#5B6B7B; --text-hint:#94A3B2;

  /* Bordas */
  --border:rgba(26,36,48,0.10); --border-strong:rgba(26,36,48,0.18);

  /* Estados semânticos */
  --ok:#1D9E75; --ok-bg:#E1F5EE;
  --warn:#BA7517; --warn-bg:#FAEEDA;
  --info:#1E5FA5; --info-bg:#E6F1FB;
  --ia:#1E5FA5; --ia-bg:#E6F1FB;

  /* Raio */
  --radius:8px; --radius-lg:12px; --radius-xl:16px; --radius-pill:999px;

  /* Tipografia */
  --font-display:'Outfit',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;

  --container:1140px;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease; }

:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; border-radius:4px; }

img{ max-width:100%; }

.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }

/* anchor offset for sticky header */
[id]{ scroll-margin-top:84px; }

/* ---------- Brand mark ---------- */
.brand{ display:flex; align-items:center; gap:11px; }
.brand-logo{ height:36px; width:auto; display:block; }
.brand-mark{
  width:34px; height:34px; border-radius:9px;
  background:var(--brand); color:var(--brand-contrast);
  display:flex; align-items:center; justify-content:center; flex:0 0 auto;
}
.brand-name{ font-family:var(--font-display); font-weight:600; font-size:19px; color:var(--text); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border-radius:var(--radius); text-decoration:none;
  font-size:15px; font-weight:500; font-family:inherit;
  border:1px solid transparent; cursor:pointer; line-height:1.2;
}
.btn-sm{ padding:10px 18px; font-size:14px; }
.btn-md{ padding:14px 24px; }
.btn-primary{ background:var(--brand); color:var(--brand-contrast); }
.btn-primary:hover{ background:var(--brand-hover); }
.btn-secondary{ background:var(--surface); color:var(--text); border-color:var(--border-strong); }
.btn-secondary:hover{ background:var(--surface-2); }
.btn-light{ background:var(--surface); color:var(--brand); }
.btn-light:hover{ background:var(--surface-2); }
.btn-outline-light{ background:transparent; color:var(--brand-contrast); border-color:rgba(255,255,255,0.5); }
.btn-outline-light:hover{ background:rgba(255,255,255,0.1); }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:20;
  background:rgba(255,255,255,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .container{
  height:66px; display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.nav-links{ display:flex; align-items:center; gap:28px; }
.nav-links a{ position:relative; font-size:14px; color:var(--text-soft); text-decoration:none; }
.nav-links a:hover{ color:var(--text); }
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:-5px; height:2px;
  background:var(--brand); border-radius:2px;
  transform:scaleX(0); transform-origin:left; transition:transform .25s ease;
}
.nav-links a:hover::after{ transform:scaleX(1); }

/* ---------- Sections ---------- */
.section{ padding:84px 0; }
.section-alt{
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section-head{ text-align:center; max-width:560px; margin:0 auto 44px; }
.section-title{
  font-family:var(--font-display); font-weight:600; font-size:34px;
  letter-spacing:-0.02em; color:var(--text); margin:0 0 10px;
}
.section-sub{ font-size:17px; color:var(--text-soft); margin:0; }

.eyebrow{
  display:inline-flex; align-items:center; gap:7px;
  padding:6px 13px; border-radius:var(--radius-pill);
  background:var(--brand-soft); color:var(--brand);
  font-size:13px; font-weight:500;
}

/* ---------- Hero ---------- */
.hero{ padding:72px 0 88px; }
.hero-grid{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center; }
.hero-title{
  font-family:var(--font-display); font-weight:600; font-size:52px;
  line-height:1.08; letter-spacing:-0.02em; color:var(--text); margin:18px 0 20px;
}
.hero-title .accent{ color:var(--brand); }
.hero-sub{ font-size:18px; line-height:1.6; color:var(--text-soft); margin:0 0 30px; max-width:520px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; }
.hero-note{ font-size:13px; color:var(--text-hint); margin:20px 0 0; }

/* ---------- Browser mock ---------- */
.mock-wrap{ position:relative; }
.mock{
  border-radius:14px; overflow:hidden; border:1px solid var(--border);
  box-shadow:0 34px 70px -24px rgba(26,36,48,.32), 0 10px 24px -10px rgba(26,36,48,.14);
  background:var(--surface);
}
.mock-bar{
  height:38px; display:flex; align-items:center; gap:7px; padding:0 14px;
  background:var(--surface-2); border-bottom:1px solid var(--border);
}
.mock-dot{ width:11px; height:11px; border-radius:50%; }
.mock-url{
  margin-left:10px; font-size:12px; color:var(--text-hint);
  background:var(--surface); border:1px solid var(--border);
  border-radius:6px; padding:3px 12px;
}
.mock-body{ background:var(--surface-2); padding:16px; }
.chat-head{ display:flex; align-items:center; gap:10px; padding-bottom:11px; border-bottom:1px solid var(--border); }
.chat-avatar{
  width:36px; height:36px; border-radius:50%;
  background:var(--brand-soft); color:var(--brand);
  display:flex; align-items:center; justify-content:center;
  font-weight:500; font-size:13px; flex:0 0 auto;
}
.chat-name{ font-size:14px; font-weight:500; color:var(--text); }
.chat-meta{ font-size:11px; color:var(--text-hint); }
.chat-pill{
  margin-left:auto; display:inline-flex; align-items:center; gap:5px;
  padding:4px 10px; border-radius:var(--radius-pill);
  background:var(--info-bg); color:var(--info); font-size:11px; font-weight:500;
}
.chat-stream{
  min-height:308px; display:flex; flex-direction:column; gap:9px;
  justify-content:flex-end; padding-top:14px; overflow:hidden;
}
.bubble{ font-size:14px; line-height:1.45; }
.bubble-in{
  align-self:flex-start; max-width:82%;
  background:var(--surface); border:1px solid var(--border);
  padding:9px 13px; border-radius:13px 13px 13px 4px; color:var(--text);
}
.bubble-out-wrap{ align-self:flex-end; display:flex; flex-direction:column; align-items:flex-end; position:relative; }
.bubble-out{
  background:var(--ia-bg); border:1px solid var(--border);
  padding:9px 13px; border-radius:13px 13px 4px 13px; color:var(--text);
}
.agent-tag{ display:flex; align-items:center; gap:5px; margin-bottom:5px; color:var(--ia); font-size:11px; font-weight:500; }
.typing{
  position:absolute; top:0; right:0; display:flex; gap:4px; align-items:center;
  background:var(--ia-bg); border:1px solid var(--border);
  padding:11px 14px; border-radius:13px 13px 4px 13px;
}
.typing span{ width:5px; height:5px; border-radius:50%; background:var(--ia); }
.chat-done{
  align-self:center; display:inline-flex; align-items:center; gap:6px;
  padding:6px 13px; border-radius:var(--radius-pill);
  background:var(--ok-bg); color:var(--ok); font-size:12px; font-weight:500; margin-top:2px;
}
.float-card{
  position:absolute; top:-18px; left:-14px;
  display:flex; align-items:center; gap:9px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:12px; padding:11px 14px;
  box-shadow:0 12px 30px -10px rgba(26,36,48,.25);
}
.float-card-icon{
  width:30px; height:30px; border-radius:8px;
  background:var(--info-bg); color:var(--info);
  display:flex; align-items:center; justify-content:center; flex:0 0 auto;
}

/* ---------- Cards grid (problemas / passos) ---------- */
.cards-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:18px; }
.card{
  background:var(--surface-2); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:26px 24px;
}
.card-on-surface{ background:var(--surface); padding:28px 24px; }
.card-icon{
  width:46px; height:46px; border-radius:12px;
  background:var(--brand-soft); color:var(--brand);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
}
.step-num{
  width:38px; height:38px; border-radius:50%;
  background:var(--brand); color:var(--brand-contrast);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:600; font-size:17px; margin-bottom:18px;
}
.card-title{ font-family:var(--font-display); font-weight:500; font-size:18px; color:var(--text); margin:0 0 8px; }
.card-text{ font-size:15px; line-height:1.55; color:var(--text-soft); margin:0; }

/* ---------- Feature rows ---------- */
.feature-row{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.feature-row + .feature-row{ margin-top:64px; }
.feature-tag{
  display:inline-flex; align-items:center; gap:7px;
  padding:5px 12px; border-radius:var(--radius-pill);
  font-size:12px; font-weight:500; margin-bottom:16px;
}
.feature-tag-ok{ background:var(--ok-bg); color:var(--ok); }
.feature-tag-brand{ background:var(--brand-soft); color:var(--brand); }
.feature-title{
  font-family:var(--font-display); font-weight:600; font-size:26px;
  letter-spacing:-0.01em; color:var(--text); margin:0 0 12px;
}
.feature-text{ font-size:16px; line-height:1.6; color:var(--text-soft); margin:0 0 18px; }
.check-list{ display:flex; flex-direction:column; gap:10px; }
.check-item{ display:flex; align-items:center; gap:10px; font-size:15px; color:var(--text); }
.check-item svg,.feature-text + .check-list svg{ flex:0 0 auto; }
.feature-img{
  border-radius:14px; overflow:hidden; border:1px solid var(--border);
  box-shadow:0 24px 54px -22px rgba(26,36,48,.28);
}
.feature-img img{ display:block; width:100%; height:auto; }

/* ---------- Niches ---------- */
.niches{ text-align:center; }
.niches-label{ font-size:14px; color:var(--text-hint); margin:0 0 18px; }
.chips{ display:flex; flex-wrap:wrap; justify-content:center; gap:10px; }
.chip{
  padding:9px 16px; border-radius:var(--radius-pill);
  background:var(--surface); border:1px solid var(--border);
  font-size:14px; color:var(--text);
}

/* ---------- Plans ---------- */
.plans{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px; align-items:start; }
.plan{
  position:relative; background:var(--surface);
  border:1.5px solid var(--border); border-radius:var(--radius-xl);
  padding:30px 26px; display:flex; flex-direction:column; gap:20px;
  transition:transform .26s ease, box-shadow .26s ease;
}
.plan:hover{ transform:translateY(-6px); box-shadow:0 24px 52px -20px rgba(26,36,48,.32); }
.plan-featured{ border-color:var(--brand); box-shadow:0 18px 44px -18px rgba(30,95,165,.4); }
.ribbon{
  display:none; position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  align-items:center; gap:6px; padding:5px 14px; border-radius:var(--radius-pill);
  background:var(--brand); color:var(--brand-contrast);
  font-size:12px; font-weight:500; white-space:nowrap;
}
.plan-featured .ribbon{ display:inline-flex; }
.plan-name{ font-size:16px; font-weight:500; color:var(--text); }
.plan-price-row{ margin:10px 0 4px; }
.plan-price{ font-family:var(--font-display); font-weight:600; font-size:38px; color:var(--text); }
.plan-period{ font-size:15px; color:var(--text-soft); }
.plan-desc{ font-size:14px; color:var(--text-soft); }
.plan-features{ display:flex; flex-direction:column; gap:11px; }
.plan-feature{ display:flex; gap:9px; font-size:14px; color:var(--text); }
.plan-feature svg{ flex:0 0 auto; margin-top:1px; }
.plan-btn{
  margin-top:auto; display:flex; align-items:center; justify-content:center;
  padding:12px; border-radius:var(--radius);
  background:var(--surface); color:var(--text); border:1px solid var(--border-strong);
  text-decoration:none; font-size:15px; font-weight:500;
}
.plan-btn:hover{ background:var(--surface-2); }
.plan-featured .plan-btn{ background:var(--brand); color:var(--brand-contrast); border-color:var(--brand); }
.plan-featured .plan-btn:hover{ background:var(--brand-hover); }
.plans-note{ font-size:13px; color:var(--text-hint); margin:26px 0 0; text-align:center; }

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; gap:12px; }
.faq-item{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:4px 20px;
}
.faq-item summary{ list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:14px; padding:16px 0; font-size:16px; font-weight:500; color:var(--text); }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-chev{ flex:0 0 auto; transition:transform .2s ease; }
.faq-item[open] .faq-chev{ transform:rotate(180deg); }
.faq-text{ font-size:15px; line-height:1.6; color:var(--text-soft); margin:0 0 16px; }

/* ---------- Final CTA ---------- */
.cta-block{
  background:var(--brand); border-radius:var(--radius-xl);
  padding:60px 40px; text-align:center; position:relative; overflow:hidden;
}
.cta-title{
  font-family:var(--font-display); font-weight:600; font-size:34px;
  letter-spacing:-0.02em; color:var(--brand-contrast); margin:0 0 14px;
}
.cta-sub{ font-size:17px; line-height:1.6; color:rgba(255,255,255,0.86); margin:0 auto 30px; max-width:560px; }
.cta-actions{ display:flex; flex-wrap:wrap; justify-content:center; gap:12px; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--surface); border-top:1px solid var(--border); padding:48px 0 36px; }
.footer-top{ display:flex; flex-wrap:wrap; gap:40px; justify-content:space-between; }
.footer-about{ max-width:300px; }
.footer-about p{ font-size:14px; line-height:1.55; color:var(--text-soft); margin:12px 0 0; }
.footer-cols{ display:flex; gap:48px; flex-wrap:wrap; }
.footer-col{ display:flex; flex-direction:column; gap:10px; }
.footer-col-title{ font-size:12px; letter-spacing:0.06em; text-transform:uppercase; color:var(--text-hint); font-weight:500; }
.footer-col a{ font-size:14px; color:var(--text-soft); text-decoration:none; }
.footer-col a:hover{ color:var(--text); }
.footer-bottom{ max-width:var(--container); margin:28px auto 0; padding:20px 24px 0; border-top:1px solid var(--border); }
.footer-bottom span{ font-size:13px; color:var(--text-hint); }

/* ============================================================
   Animações
   ============================================================ */
@keyframes ax-float{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-7px); } }
@keyframes ax-rise{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:translateY(0); } }
.float-card{ animation:ax-rise .6s ease both .25s, ax-float 4.5s ease-in-out infinite 1s; }

/* demo chat sequence */
@keyframes ax-d-p1{0%,1%{opacity:0;transform:translateY(8px);}4%,92%{opacity:1;transform:translateY(0);}97%,100%{opacity:0;transform:translateY(8px);}}
@keyframes ax-d-t1{0%,9%{opacity:0;}12%,18%{opacity:1;}21%,100%{opacity:0;}}
@keyframes ax-d-r1{0%,18%{opacity:0;transform:translateY(8px);}22%,92%{opacity:1;transform:translateY(0);}97%,100%{opacity:0;transform:translateY(8px);}}
@keyframes ax-d-p2{0%,31%{opacity:0;transform:translateY(8px);}35%,92%{opacity:1;transform:translateY(0);}97%,100%{opacity:0;transform:translateY(8px);}}
@keyframes ax-d-t2{0%,41%{opacity:0;}44%,50%{opacity:1;}53%,100%{opacity:0;}}
@keyframes ax-d-r2{0%,51%{opacity:0;transform:translateY(8px);}55%,92%{opacity:1;transform:translateY(0);}97%,100%{opacity:0;transform:translateY(8px);}}
@keyframes ax-d-bdg{0%,69%{opacity:0;transform:scale(.92);}73%,92%{opacity:1;transform:scale(1);}97%,100%{opacity:0;transform:scale(.92);}}
@keyframes ax-dot{0%,60%,100%{transform:translateY(0);opacity:.4;}30%{transform:translateY(-3px);opacity:1;}}
.demo-p1{animation:ax-d-p1 10s ease-in-out infinite;}
.demo-t1{animation:ax-d-t1 10s ease-in-out infinite;}
.demo-r1{animation:ax-d-r1 10s ease-in-out infinite;}
.demo-p2{animation:ax-d-p2 10s ease-in-out infinite;}
.demo-t2{animation:ax-d-t2 10s ease-in-out infinite;}
.demo-r2{animation:ax-d-r2 10s ease-in-out infinite;}
.demo-bdg{animation:ax-d-bdg 10s ease-in-out infinite;}
.demo-dot{animation:ax-dot 1.1s ease-in-out infinite;}

/* scroll reveal — só ativa quando JS arma (.anim-ready); sem JS, tudo visível */
.anim-ready [data-reveal],
.anim-ready [data-reveal-group] > *{
  opacity:0; transform:translateY(20px);
  transition:opacity .7s ease-out, transform .7s ease-out;
}
[data-reveal].is-in,
[data-reveal-group].is-in > *{ opacity:1; transform:none; }
[data-reveal-group].is-in > *:nth-child(2){ transition-delay:.09s; }
[data-reveal-group].is-in > *:nth-child(3){ transition-delay:.18s; }
[data-reveal-group].is-in > *:nth-child(4){ transition-delay:.27s; }
[data-reveal-group].is-in > *:nth-child(5){ transition-delay:.36s; }
[data-reveal-group].is-in > *:nth-child(6){ transition-delay:.45s; }
[data-reveal-group].is-in > *:nth-child(7){ transition-delay:.54s; }

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width:880px){
  .hero-grid{ grid-template-columns:1fr; }
  .nav-links{ display:none; }
  .feature-row{ grid-template-columns:1fr; }
  .feature-row .feature-img{ order:-1; }
  .hero-title{ font-size:38px; }
  .section{ padding:60px 0; }
  .hero{ padding:48px 0 64px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .float-card{ animation:none !important; opacity:1 !important; }
  [data-reveal],[data-reveal-group] > *{ opacity:1 !important; transform:none !important; transition:none !important; }
  .demo-p1,.demo-t1,.demo-r1,.demo-p2,.demo-t2,.demo-r2,.demo-bdg,.demo-dot{ animation:none !important; }
  .demo-t1,.demo-t2{ display:none !important; }
}