/* =========================================================
   Foco Financeiro — folha de estilo principal
   Conceito: "livro-caixa" — a estética de um ledger financeiro
   bem cuidado: papel bege, tinta azul-marinho, selo dourado
   para destacar o "valor prático" de cada artigo.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --ink: #1f2a1c;
  --navy: #1c2b4a;
  --navy-2: #0f1830;
  --paper: #f2ede2;
  --paper-2: #ece4d3;
  --gold: #b9862f;
  --gold-dark: #8f6421;
  --sage: #55705a;
  --line: rgba(28, 43, 74, 0.16);
  --max: 1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Public Sans', sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:var(--navy);}

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

/* ---------- Header ---------- */
.site-header{
  background:var(--navy);
  color:var(--paper);
  border-bottom:3px solid var(--gold);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:18px; padding-bottom:18px;
  flex-wrap:wrap; gap:14px;
}
.logo{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-size:1.5rem;
  color:var(--paper);
  text-decoration:none;
  letter-spacing:-0.01em;
  display:flex;
  align-items:baseline;
  gap:8px;
}
.logo .stamp{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.7rem;
  font-weight:600;
  color:var(--navy-2);
  background:var(--gold);
  padding:3px 7px;
  border-radius:3px;
  letter-spacing:0.04em;
}
nav.main-nav{display:flex; gap:26px; flex-wrap:wrap;}
nav.main-nav a{
  color:var(--paper);
  text-decoration:none;
  font-size:0.92rem;
  font-weight:600;
  opacity:0.86;
  border-bottom:2px solid transparent;
  padding-bottom:3px;
}
nav.main-nav a:hover{opacity:1; border-color:var(--gold);}

/* ---------- Hero ---------- */
.hero{
  padding:64px 0 52px;
  border-bottom:1px solid var(--line);
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0px, transparent 37px, rgba(28,43,74,0.05) 38px
    );
}
.hero .eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--gold-dark);
  font-weight:600;
  margin-bottom:14px;
}
.hero h1{
  font-family:'Fraunces', serif;
  font-size:clamp(2.1rem, 4.5vw, 3.3rem);
  line-height:1.08;
  margin:0 0 18px;
  max-width:16ch;
  color:var(--navy-2);
}
.hero p.lead{
  font-size:1.15rem;
  max-width:56ch;
  color:#3b3a33;
  margin:0 0 0;
}

/* ---------- Pillars strip ---------- */
.pillars{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.pillar{
  background:var(--paper);
  padding:22px 24px;
}
.pillar .n{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.75rem;
  color:var(--gold-dark);
  font-weight:600;
}
.pillar h3{
  font-family:'Fraunces', serif;
  font-size:1.15rem;
  margin:6px 0 6px;
  color:var(--navy-2);
}
.pillar p{margin:0; font-size:0.92rem; color:#4a4838;}

/* ---------- Article grid / cards ---------- */
.section-title{
  font-family:'Fraunces', serif;
  font-size:1.5rem;
  margin:56px 0 24px;
  color:var(--navy-2);
  display:flex; align-items:baseline; gap:12px;
}
.section-title .rule{flex:1; height:1px; background:var(--line);}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:24px;
  margin-bottom:60px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:2px;
  padding:22px;
  text-decoration:none;
  color:var(--ink);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.card:hover{transform:translateY(-3px); box-shadow:0 10px 24px rgba(28,43,74,0.1);}
.card .tag{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.7rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--sage);
  font-weight:600;
}
.card h3{
  font-family:'Fraunces', serif;
  font-size:1.2rem;
  margin:0;
  line-height:1.3;
  color:var(--navy-2);
}
.card p{margin:0; font-size:0.93rem; color:#4a4838;}
.card .valor-selo{
  align-self:flex-start;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.72rem;
  font-weight:600;
  background:var(--paper-2);
  border:1px dashed var(--gold-dark);
  color:var(--gold-dark);
  padding:4px 9px;
  border-radius:3px;
}

/* ---------- Article page ---------- */
.article-header{
  padding:48px 0 28px;
  border-bottom:1px solid var(--line);
}
.article-header .tag{
  font-family:'IBM Plex Mono', monospace;
  font-size:0.78rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--sage);
  font-weight:700;
}
.article-header h1{
  font-family:'Fraunces', serif;
  font-size:clamp(1.9rem, 4vw, 2.7rem);
  line-height:1.12;
  color:var(--navy-2);
  margin:14px 0 16px;
  max-width:22ch;
}
.article-meta{
  font-size:0.88rem;
  color:#6b6a5c;
}

.valor-stamp{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:20px;
  font-family:'IBM Plex Mono', monospace;
  font-size:0.85rem;
  font-weight:600;
  color:var(--navy-2);
  background:var(--gold);
  padding:8px 14px;
  border-radius:3px;
}

article.content{
  max-width:70ch;
  margin:0 auto;
  padding:42px 24px 80px;
}
article.content h2{
  font-family:'Fraunces', serif;
  font-size:1.55rem;
  color:var(--navy-2);
  margin:42px 0 8px;
  padding-bottom:10px;
  border-bottom:1px dashed var(--line);
}
article.content h3{
  font-family:'Fraunces', serif;
  font-size:1.2rem;
  color:var(--navy-2);
  margin:28px 0 8px;
}
article.content p{margin:0 0 18px; color:#332f26;}
article.content ul, article.content ol{margin:0 0 18px; padding-left:22px; color:#332f26;}
article.content li{margin-bottom:8px;}
article.content strong{color:var(--navy-2);}
.callout{
  background:var(--paper-2);
  border-left:3px solid var(--gold-dark);
  padding:16px 20px;
  margin:24px 0;
  font-size:0.95rem;
}
.callout strong{display:block; margin-bottom:4px; color:var(--gold-dark); font-family:'IBM Plex Mono', monospace; font-size:0.78rem; text-transform:uppercase; letter-spacing:0.04em;}

/* ---------- Footer ---------- */
footer{
  background:var(--navy-2);
  color:rgba(242,237,226,0.75);
  padding:40px 0;
  margin-top:40px;
}
footer .wrap{display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px; align-items:center;}
footer p{margin:0; font-size:0.85rem;}
footer .disclaimer{font-size:0.78rem; max-width:60ch; margin-top:10px; color:rgba(242,237,226,0.5);}

@media (max-width:760px){
  .pillars{grid-template-columns:1fr;}
  nav.main-nav{gap:16px;}
}