/* ForexBR.org — design system (CSS puro, zero dependências)
   Objetivo: Core Web Vitals verdes. Fontes do sistema, sem webfonts bloqueantes. */
:root{
  --navy:#002776; --navy-2:#0a3a8f; --ink:#1a2433; --body:#33404f;
  --green:#008A34; --green-2:#00701F; --accent:#009C3B; --gold:#FFDF00;
  --bg:#ffffff; --bg-soft:#f5f8fb; --bg-soft-2:#eef3f8; --line:#dde6ef;
  --danger:#b3261e; --radius:14px; --maxw:1080px;
  --shadow:0 6px 24px rgba(0,39,118,.08); --shadow-lg:0 16px 48px rgba(0,39,118,.14);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  line-height:1.65;font-size:18px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:1.6em 0 .5em;font-weight:800}
h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem);margin-top:1.8em}
h3{font-size:1.25rem}
p{margin:0 0 1.1em}
a{color:var(--green-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
small,.muted{color:#647689}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);
  font-size:1.15rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none;opacity:.92}
.brand-name{color:var(--green-2);font-weight:800;font-size:1.05rem;letter-spacing:-.02em;line-height:1;white-space:nowrap}
.brand:hover .brand-name{text-decoration:none}
.brand .logo{display:block;height:28px;width:auto;max-width:min(178px,56vw)}
.brand .logo-mark{display:block;height:28px;width:28px;flex-shrink:0}
.brand--light .brand-name{color:#7cf0a3}
.brand--light .logo{height:28px;opacity:1}
.brand--light:hover{opacity:.9}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:var(--ink);font-size:.95rem;font-weight:600}
.nav-links .btn{color:#fff}
@media(max-width:760px){.nav-links a:not(.btn){display:none}}

/* Buttons */
.btn{display:inline-block;background:var(--green);color:#fff!important;font-weight:700;
  padding:13px 22px;border-radius:10px;border:0;cursor:pointer;font-size:1rem;
  transition:transform .06s ease,background .2s ease;text-align:center}
.btn:hover{background:var(--green-2);text-decoration:none;transform:translateY(-1px)}
.btn.gold{background:var(--gold);color:#3a2a00!important}
.btn.gold:hover{background:#E6C200}
.btn.lg{padding:16px 30px;font-size:1.1rem}
.btn.block{display:block;width:100%}
.btn.ghost{background:transparent;color:var(--green-2)!important;border:2px solid var(--green)}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 80% -10%,#0a3aa0 0,var(--navy) 55%);
  color:#eaf1f8;padding:64px 0 72px}
.hero h1{color:#fff;max-width:14ch}
.hero p.lead{font-size:1.25rem;color:#c4d4e6;max-width:54ch}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero .trust{margin-top:22px;color:#9fb3c9;font-size:.9rem}
.badge{display:inline-block;background:rgba(0,156,59,.15);color:#7cf0a3;
  border:1px solid rgba(0,156,59,.4);padding:5px 12px;border-radius:999px;
  font-size:.82rem;font-weight:700;letter-spacing:.02em}

/* Sections */
section{padding:18px 0}
.section-pad{padding:48px 0}
.bg-soft{background:var(--bg-soft)}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow)}
.card h3{margin-top:.2em}
.card .ico{font-size:1.8rem}

/* Article */
.article{padding:36px 0 10px}
.article .meta{color:#647689;font-size:.9rem;margin-bottom:8px}
.article p,.article li{font-size:1.06rem}
.article ul,.article ol{padding-left:1.2em;margin:0 0 1.2em}
.article li{margin:.4em 0}
.breadcrumb{font-size:.85rem;color:#647689;margin:18px 0 0}
.breadcrumb a{color:#647689}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;
  padding:18px 22px;margin:24px 0}
.toc strong{display:block;margin-bottom:8px;color:var(--ink)}
.toc ul{margin:0;padding-left:1.1em}

/* Tables */
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.98rem;
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--navy);color:#fff;font-weight:700}
tr:nth-child(even) td{background:var(--bg-soft)}
.table-wrap{overflow-x:auto}

/* Callouts */
.callout{border-left:4px solid var(--accent);background:var(--bg-soft);
  padding:16px 20px;border-radius:0 10px 10px 0;margin:22px 0}
.callout.warn{border-color:var(--gold);background:#fef8ec}
.callout.risk{border-color:var(--danger);background:#fdeceb}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:10px;padding:4px 18px;margin:10px 0;background:#fff}
.faq summary{font-weight:700;color:var(--ink);cursor:pointer;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--green)}
.faq details[open] summary::after{content:"–"}

/* Lead form */
.lead-box{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#eaf1f8;
  border-radius:18px;padding:34px;box-shadow:var(--shadow-lg)}
.lead-box h2,.lead-box h3{color:#fff;margin-top:0}
.lead-box p{color:#c4d4e6}
.form-field{margin:12px 0}
.form-field label{display:block;font-size:.85rem;font-weight:600;color:#cfe0f0;margin-bottom:5px}
.form-field input,.form-field select{width:100%;padding:13px 14px;border-radius:10px;
  border:1px solid #34507a;background:#0e213f;color:#fff;font-size:1rem}
.form-field input::placeholder{color:#7f93ab}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:.82rem;color:#a9bdd4;margin:14px 0}
.consent input{margin-top:4px}
.form-msg{font-size:.9rem;margin-top:10px;min-height:1.2em}
.form-msg.ok{color:#7cf0a3}
.form-msg.err{color:#ff9b94}

/* Calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:760px){.calc{grid-template-columns:1fr}}
.calc-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.calc-field{margin:14px 0}
.calc-field label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px;font-size:.95rem}
.calc-field input,.calc-field select{width:100%;padding:12px;border:1px solid var(--line);
  border-radius:10px;font-size:1rem;background:#fff;color:var(--ink)}
.result{background:var(--navy);color:#fff;border-radius:var(--radius);padding:24px}
.result .row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.result .row:last-child{border-bottom:0}
.result .big{font-size:1.6rem;font-weight:800;color:var(--accent)}

/* Footer */
.site-footer{background:var(--navy);color:#b9c8da;margin-top:48px;padding:48px 0 28px;font-size:.92rem}
.site-footer a{color:#cfe0f0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{color:#fff;font-size:1rem;margin:0 0 12px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:7px 0}
.risk-disclaimer{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:20px;
  font-size:.8rem;color:#8fa3ba}
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.pill-stats{display:flex;gap:30px;flex-wrap:wrap;margin-top:24px}
.pill-stats .n{font-size:2rem;font-weight:800;color:#fff}
.pill-stats .l{color:#9fb3c9;font-size:.85rem}


/* Article figures (diagramas/infográficos SVG) */
figure{margin:26px 0}
figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
figure figcaption{margin-top:8px;font-size:.9rem;text-align:center}