/* =====================================================================
   Nexus Brasil Paraguai — estilos
   Paleta da marca: verde #1E8A3C · dourado #F5B300 · vermelho #D42027
                    navy #152A52 (texto/estrutura) · azul #1D4F9E
   ===================================================================== */
:root{
  --green:#1E8A3C; --gold:#F5B300; --red:#D42027;
  --navy:#152A52; --navy2:#1D3A63; --blue:#1D4F9E;
  --ink:#1C2430; --grey:#5A6472; --line:#E2E8F1;
  --bg:#F6F8FC; --bg2:#EEF3FA; --white:#fff;
  --radius:16px; --shadow:0 10px 30px rgba(21,42,82,.08);
  --shadow-sm:0 4px 14px rgba(21,42,82,.06);
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id], div[id="top"]{scroll-margin-top:78px}
body{
  margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0}
mark{background:#FFF0C2;color:inherit;padding:0 2px;border-radius:3px}
.small{font-size:.86rem;color:var(--grey)}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy)}
.brand img{height:48px;width:auto;display:block}
.brand span{font-size:1rem;letter-spacing:-.2px}
.brand-slogan{
  font-size:.72rem;line-height:1.15;font-weight:700;color:var(--navy);
  padding-left:12px;margin-left:2px;border-left:2px solid var(--line);
  letter-spacing:0;text-align:left;
}
.brand-slogan em{font-style:italic;font-weight:700;color:#1e5aa8}
@media(max-width:720px){.brand-slogan{display:none}}
.navlinks{display:flex;align-items:center;gap:22px}
.navlinks a{font-weight:600;color:var(--navy);font-size:.94rem;opacity:.85}
.navlinks a:hover{opacity:1}
.navlinks .cta{background:var(--green);color:#fff;padding:9px 16px;border-radius:999px;opacity:1;
  box-shadow:0 6px 16px rgba(30,138,60,.28)}
.navlinks .cta:hover{background:#17772f}
@media(max-width:820px){.navlinks a:not(.cta){display:none}}

/* ---------- hero ---------- */
.hero{background:
  radial-gradient(1200px 500px at 80% -10%, rgba(29,79,158,.10), transparent 60%),
  linear-gradient(180deg,#fff, var(--bg2));
  border-bottom:1px solid var(--line);padding:56px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;font-weight:700;font-size:.82rem;color:var(--navy);
  background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero h1{font-size:2.5rem;font-weight:900;letter-spacing:-1px;color:var(--navy);margin:16px 0 12px}
.hero p{font-size:1.06rem;color:var(--grey);max-width:52ch}
.hero-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;border:0;cursor:pointer;
  padding:13px 22px;border-radius:12px;font-size:.98rem;transition:.15s;text-align:center}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(30,138,60,.28)}
.btn-primary:hover{background:#17772f;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--navy2)}
.video-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow)}
.video-frame{width:100%;aspect-ratio:16/9;border-radius:12px;display:block;
  background:#000;object-fit:cover;box-shadow:0 8px 22px rgba(0,0,0,.18)}
.video-caption{font-size:.82rem;color:var(--grey);padding:10px 6px 2px;text-align:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero h1{font-size:2rem}}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:1fr 1fr 2fr;gap:16px;margin:-22px auto 8px;
  position:relative;z-index:2}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  box-shadow:var(--shadow-sm)}
.stat b{display:block;font-size:1.5rem;color:var(--navy);font-weight:900;letter-spacing:-.5px}
.stat span{font-size:.82rem;color:var(--grey)}
.stat-visit{display:flex;flex-direction:column;justify-content:center;gap:4px;text-decoration:none;
  background:linear-gradient(135deg,var(--navy),var(--blue));border-color:transparent;
  transition:.16s;position:relative;overflow:hidden}
.stat-visit::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;
  border-radius:50%;background:radial-gradient(circle,var(--gold),transparent 70%);opacity:.35}
.stat-visit b{color:#fff;font-size:1.15rem;position:relative}
.stat-visit span{color:#D6E1F2;font-size:.86rem;line-height:1.35;position:relative}
.stat-visit:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
@media(max-width:720px){.stats{grid-template-columns:1fr 1fr}.stat-visit{grid-column:1 / -1}}

/* ---------- sections ---------- */
section{padding:52px 0}
.section-title{max-width:640px;margin-bottom:26px}
.section-title h2{font-size:1.7rem;font-weight:800;color:var(--navy);letter-spacing:-.5px}
.section-title p{color:var(--grey);margin-top:8px}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow-sm);transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D3DEEC}
.card .icon{font-size:26px;width:52px;height:52px;display:grid;place-items:center;border-radius:12px;
  background:var(--bg2);margin-bottom:12px}
.card h3{font-size:1.1rem;color:var(--navy);margin-bottom:6px}
.card p{color:var(--grey);font-size:.94rem}
@media(max-width:860px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

/* ---------- store ---------- */
.store{background:linear-gradient(180deg,#fff,var(--bg2));border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)}
.store-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:start}
.store-visual{background:linear-gradient(150deg,var(--navy),var(--blue));color:#fff;
  border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.store-visual::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;
  border-radius:50%;background:radial-gradient(circle,var(--gold),transparent 70%);opacity:.4}
.store-visual h3{font-size:1.35rem;margin-bottom:10px}
.store-visual p{color:#D6E1F2}
.steps{display:flex;flex-direction:column;gap:14px}
.step{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  box-shadow:var(--shadow-sm)}
.step .num{flex:0 0 auto;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;color:#fff;background:var(--green)}
.step b{color:var(--navy)}
.step p{color:var(--grey);font-size:.92rem;margin:3px 0 0}
@media(max-width:860px){.store-grid{grid-template-columns:1fr}}

/* ---------- knowledge / busca ---------- */
.knowledge{background:var(--bg)}
.search-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;
  box-shadow:var(--shadow)}
.searchbox{display:flex;align-items:center;gap:10px;border:2px solid var(--line);border-radius:14px;
  padding:14px 16px;transition:.15s;background:#fff}
.searchbox:focus-within{border-color:var(--green);box-shadow:0 0 0 4px rgba(30,138,60,.10)}
.searchbox span{font-size:1.1rem;opacity:.7}
.searchbox input{border:0;outline:0;flex:1;font-size:1.05rem;font-family:inherit;color:var(--ink);background:transparent}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-size:.85rem;
  font-weight:600;color:var(--navy);cursor:pointer;transition:.15s}
.chip:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.results{display:grid;grid-template-columns:230px 1fr;gap:22px;margin-top:14px}
.filters{display:flex;flex-direction:column;gap:6px;position:sticky;top:82px;align-self:start}
.filter{display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left;
  border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;font-size:.86rem;
  font-weight:600;color:var(--navy);cursor:pointer;transition:.14s}
.filter b{font-weight:700;color:var(--grey);font-size:.78rem}
.filter:hover{border-color:#CBD8E8}
.filter.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.filter.on b{color:#B9C7DE}
@media(max-width:760px){.results{grid-template-columns:1fr}.filters{flex-direction:row;flex-wrap:wrap;position:static}}

.article-list{display:flex;flex-direction:column;gap:12px}
.article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  box-shadow:var(--shadow-sm);transition:.15s}
.article.flash{box-shadow:0 0 0 3px rgba(245,179,0,.55)}
.article-head{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.badge{font-size:.74rem;font-weight:700;color:var(--navy);background:var(--bg2);border-radius:999px;
  padding:4px 10px}
.chapter{font-size:.74rem;color:var(--grey)}
.article h3{font-size:1.06rem;color:var(--navy);margin-bottom:5px}
.article p{color:var(--grey);font-size:.94rem}
.link-more{margin-top:10px;border:0;background:transparent;color:var(--green);font-weight:700;
  cursor:pointer;padding:0;font-size:.9rem}
.link-more:hover{text-decoration:underline}
.article-full{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);color:var(--ink);
  font-size:.95rem}
.article-full p{color:var(--ink);margin:0 0 10px}
.article-full ul{margin:0 0 10px;padding-left:20px}
.article-full li{margin-bottom:5px}

.empty{text-align:center;padding:30px 16px;background:var(--bg2);border-radius:14px}
.empty p{margin:0 0 8px}
.empty .btn{margin-top:8px}

/* card "perguntar à IA" no topo dos resultados */
.ai-prompt{display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;border-radius:14px;
  padding:16px 20px;margin-bottom:6px;box-shadow:var(--shadow)}
.ai-prompt-txt{display:flex;flex-direction:column}
.ai-prompt-txt b{font-size:1rem}
.ai-prompt-txt span{font-size:.86rem;color:#D6E1F2}
.ai-prompt .btn-primary{background:var(--gold);color:var(--navy);box-shadow:none;white-space:nowrap}
.ai-prompt .btn-primary:hover{background:#e5a600}
@media(max-width:560px){.ai-prompt{flex-direction:column;align-items:stretch;text-align:center}}

/* ---------- modal IA ---------- */
.ai-modal{position:fixed;inset:0;z-index:80;background:rgba(15,28,51,.55);
  display:none;align-items:flex-start;justify-content:center;padding:5vh 16px;overflow:auto}
.ai-modal.on{display:flex}
.ai-box{background:#fff;width:100%;max-width:640px;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.35);
  overflow:hidden;animation:pop .18s ease}
@keyframes pop{from{transform:translateY(10px);opacity:0}to{transform:none;opacity:1}}
.ai-box-head{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;padding:16px 20px}
.ai-box-head b{font-size:1.05rem}
.ai-box-head .small{color:#C7D4E8;display:block}
.ai-close{border:0;background:rgba(255,255,255,.15);color:#fff;width:32px;height:32px;border-radius:8px;
  cursor:pointer;font-size:15px}
.ai-close:hover{background:rgba(255,255,255,.28)}
.ai-question{padding:16px 20px 0}
.ai-you{background:var(--bg2);border-radius:12px;padding:10px 14px;font-weight:600;color:var(--navy);
  display:inline-block}
.ai-answer{padding:14px 20px 6px;font-size:.98rem;color:var(--ink)}
.ai-answer p{margin:0 0 10px}
.ai-answer ul{margin:0 0 10px;padding-left:20px}
.ai-answer li{margin-bottom:5px}
.ai-loading{display:flex;align-items:center;gap:6px;color:var(--grey);font-size:.92rem}
.ai-loading span{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;
  animation:bounce 1s infinite}
.ai-loading span:nth-child(2){animation-delay:.15s}
.ai-loading span:nth-child(3){animation-delay:.3s;margin-right:6px}
@keyframes bounce{0%,80%,100%{transform:scale(.5);opacity:.4}40%{transform:scale(1);opacity:1}}
.ai-error{background:#FBEBE8;color:#8A2B22;border-radius:12px;padding:12px 14px;font-size:.92rem}
.ai-sources{padding:4px 20px 8px;display:flex;flex-direction:column;gap:6px}
.ai-src-title{font-size:.78rem;font-weight:700;color:var(--grey);text-transform:uppercase;letter-spacing:.4px;margin-bottom:2px}
.ai-src{text-align:left;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;
  font-size:.86rem;color:var(--navy);cursor:pointer;transition:.14s;font-weight:500}
.ai-src:hover{border-color:var(--green);background:#F3FBF5}
.ai-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 20px 18px;border-top:1px solid var(--line);margin-top:6px}
.ai-foot .wa{background:var(--green);color:#fff;padding:8px 14px;border-radius:999px;font-weight:700;
  font-size:.82rem;white-space:nowrap}
.ai-foot .wa:hover{background:#17772f}

/* ---------- footer ---------- */
.footer{background:var(--navy);color:#fff;padding:34px 0;margin-top:20px}
.footer-grid{display:flex;align-items:center;gap:20px;justify-content:space-between;flex-wrap:wrap}
.footer img{height:38px;opacity:.98}
.footer .small{color:#B9C7DE;max-width:70ch}