/* =========================================================
   FELVI — Portal de Recomendações e Comparativos
   Design system: "Selo de Confiança" editorial/catálogo
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,700;9..144,900&family=Work+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* --- cor --- */
  --ink:        #16213A;   /* texto principal / painéis escuros */
  --ink-soft:   #4C5567;   /* texto secundário */
  --paper:      #F1EEE4;   /* fundo base, papel morno-acinzentado */
  --paper-alt:  #E5E8DE;   /* painéis em sálvia clara */
  --card:       #FBFAF5;   /* cartões sobre o papel */
  --gold:       #C4922E;   /* selo / destaque principal */
  --gold-deep:  #9C7220;
  --teal:       #1F6F63;   /* categorias / confiança */
  --brick:      #A23E3B;   /* alerta / atenção */
  --line:       rgba(22,33,58,0.14);

  /* --- tipografia --- */
  --f-display: 'Fraunces', 'Georgia', serif;
  --f-body: 'Work Sans', -apple-system, sans-serif;
  --f-mono: 'IBM Plex Mono', monospace;

  --radius: 3px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--f-display); font-weight: 700; margin: 0 0 .5em; line-height: 1.15; }
p{ margin: 0 0 1em; }

:focus-visible{ outline: 2px solid var(--gold-deep); outline-offset: 2px; }

.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.eyebrow::before{
  content:"";
  width: 18px; height: 1px;
  background: var(--teal);
  display:inline-block;
}

/* ============ TOPO / NAV ============ */
.topbar{
  background: var(--ink);
  color: #D9DCC9;
  font-family: var(--f-mono);
  font-size: .74rem;
}
.topbar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px;
  flex-wrap: wrap;
  gap: 6px;
}
.topbar a{ opacity:.85; }
.topbar a:hover{ opacity:1; color: var(--gold); }

header.site-header{
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top:0; z-index: 50;
  backdrop-filter: blur(6px);
  background: rgba(241,238,228,.94);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 0;
  gap: 24px;
}
.logo{
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.7rem;
  letter-spacing: -.01em;
  display:flex; align-items:baseline; gap:8px;
}
.logo .dot{ color: var(--gold); }
.logo small{
  font-family: var(--f-mono);
  font-size: .58rem;
  letter-spacing: .1em;
  color: var(--ink-soft);
  text-transform: uppercase;
  font-weight: 400;
}

nav.mainnav ul{ display:flex; gap: 28px; }
nav.mainnav a{
  font-size: .92rem; font-weight: 600;
  padding: 6px 0; position:relative;
}
nav.mainnav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform .18s ease;
}
nav.mainnav a:hover::after, nav.mainnav a[aria-current="page"]::after{ transform: scaleX(1); }

.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width: 860px){
  nav.mainnav{
    position: fixed; inset: 0 0 0 auto; width: min(78vw,320px);
    background: var(--ink); color: var(--paper);
    transform: translateX(100%); transition: transform .25s ease;
    padding: 90px 28px; z-index: 60;
  }
  nav.mainnav.open{ transform: translateX(0); }
  nav.mainnav ul{ flex-direction:column; gap:20px; }
  nav.mainnav a{ color: var(--paper); font-size:1.05rem; }
  .nav-toggle{ display:block; }
}

/* ============ SELO FELVI (elemento assinatura) ============ */
.selo{
  --sz: 108px;
  width: var(--sz); height: var(--sz);
  border-radius: 50%;
  border: 2px dashed var(--gold);
  display:flex; align-items:center; justify-content:center;
  flex-direction: column;
  transform: rotate(-7deg);
  background: var(--card);
  color: var(--ink);
  flex: none;
  position: relative;
  box-shadow: 0 1px 0 rgba(22,33,58,.08);
}
.selo::before{
  content:"";
  position:absolute; inset:6px;
  border-radius:50%;
  border: 1px solid var(--line);
}
.selo .nota{
  font-family: var(--f-display); font-weight:900;
  font-size: 1.7rem; line-height:1;
}
.selo .fora{ font-family: var(--f-mono); font-size:.6rem; color: var(--ink-soft); }
.selo .rotulo{
  font-family: var(--f-mono); text-transform:uppercase; letter-spacing:.08em;
  font-size:.52rem; color: var(--teal); margin-top:2px;
}
.selo.sm{ --sz: 76px; }
.selo.sm .nota{ font-size: 1.15rem; }

/* ============ HERO ============ */
.hero{
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  display:grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items:end;
}
.hero h1{
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  max-width: 14ch;
}
.hero h1 em{ font-style:normal; color: var(--gold-deep); }
.hero .lede{ font-size: 1.08rem; color: var(--ink-soft); max-width: 46ch; }
.hero-side{
  background: var(--ink); color: var(--paper);
  padding: 24px; border-radius: var(--radius);
  display:flex; gap:18px; align-items:center;
}
.hero-side p{ margin:0; font-size:.9rem; color:#C7CBB8; }
.hero-side strong{ display:block; font-family: var(--f-display); font-size:1.1rem; color:#fff; margin-bottom:4px;}

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ============ PRATELEIRA DE CATEGORIAS ============ */
.shelf{ padding: 40px 0; }
.shelf-head{ display:flex; justify-content:space-between; align-items:flex-end; margin-bottom: 22px; gap: 16px; flex-wrap:wrap;}
.shelf-track{
  display:grid; grid-auto-flow: column; grid-auto-columns: 168px;
  gap: 14px; overflow-x:auto; padding-bottom: 10px;
  scroll-snap-type: x proximity;
}
.cat-chip{
  scroll-snap-align:start;
  background: var(--card); border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 14px;
  display:flex; flex-direction:column; gap:10px; justify-content:space-between;
  min-height: 128px;
  transition: transform .15s ease, border-color .15s ease;
}
.cat-chip:hover{ transform: translateY(-3px); border-color: var(--gold); }
.cat-chip .num{ font-family: var(--f-mono); font-size:.68rem; color: var(--teal); }
.cat-chip .nome{ font-family: var(--f-display); font-weight:700; font-size:1rem; }

/* ============ CARTÕES DE ARTIGO ============ */
.grid{ display:grid; gap: 26px; }
.grid.cols-3{ grid-template-columns: repeat(3, 1fr); }
.grid.cols-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){
  .grid.cols-3, .grid.cols-2{ grid-template-columns: 1fr; }
}

.card{
  background: var(--card); border:1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden; display:flex; flex-direction:column;
}
.card-art{
  height: 150px;
  display:flex; align-items:center; justify-content:center;
  position: relative;
  color: #fff;
}
.card-art .tag{
  position:absolute; top:12px; left:12px;
  font-family: var(--f-mono); font-size:.62rem; text-transform:uppercase; letter-spacing:.08em;
  background: rgba(22,33,58,.55); padding:4px 8px; border-radius:2px;
}
.card-art svg{ width:52px; height:52px; opacity:.92; }
.card-body{ padding: 18px 18px 20px; display:flex; flex-direction:column; gap:10px; flex:1; }
.card-body h3{ font-size: 1.12rem; }
.card-body h3 a:hover{ color: var(--gold-deep); }
.card-meta{
  font-family: var(--f-mono); font-size:.68rem; color: var(--ink-soft);
  display:flex; gap:10px; text-transform:uppercase; letter-spacing:.04em;
}
.card-excerpt{ color: var(--ink-soft); font-size:.92rem; flex:1; }
.card-foot{ display:flex; justify-content:space-between; align-items:center; margin-top:auto; }

/* ============ BOTÕES ============ */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--f-body); font-weight:600; font-size:.88rem;
  padding: 11px 20px; border-radius: 2px; border: 1px solid transparent;
  cursor:pointer; transition: transform .12s ease, background .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--teal); color:#fff; }
.btn-primary:hover{ background: #185a50; }
.btn-gold{ background: var(--gold); color: var(--ink); }
.btn-gold:hover{ background: var(--gold-deep); color:#fff; }
.btn-ghost{ background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.btn-block{ width:100%; justify-content:center; }
.btn-sm{ padding: 8px 14px; font-size:.78rem; }

/* ============ SEÇÕES GERAIS ============ */
section{ padding: 48px 0; }
.section-alt{ background: var(--paper-alt); }
.section-ink{ background: var(--ink); color: var(--paper); }
.section-ink .eyebrow{ color: var(--gold); }
.section-ink .eyebrow::before{ background: var(--gold); }

.divider{ border:none; border-top:1px solid var(--line); margin: 40px 0; }

/* ============ ARTIGO ============ */
.breadcrumb{ font-family: var(--f-mono); font-size:.72rem; color: var(--ink-soft); margin-bottom: 18px; }
.breadcrumb a:hover{ color: var(--gold-deep); }

.article-head{ padding: 40px 0 20px; border-bottom: 1px solid var(--line); }
.article-head h1{ font-size: clamp(1.9rem, 3.6vw, 2.7rem); max-width: 22ch; }
.article-top{ display:flex; gap: 26px; align-items:flex-start; }
.article-top .meta{ flex:1; }

.article-body{ max-width: 760px; }
.article-body h2{ font-size: 1.5rem; margin-top: 2.2em; }
.article-body h3{ font-size: 1.15rem; margin-top: 1.6em; }
.article-body p{ color: var(--ink); }
.article-body ul{ margin: 0 0 1.2em; }
.article-body li{ position:relative; padding-left: 22px; margin-bottom:.5em; }
.article-body li::before{ content:"—"; position:absolute; left:0; color: var(--gold-deep); }

.callout{
  background: var(--paper-alt); border-left: 3px solid var(--teal);
  padding: 18px 20px; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .95rem; margin: 1.6em 0;
}
.callout.alerta{ border-left-color: var(--brick); background: #F1E4E1; }
.callout strong{ display:block; font-family: var(--f-mono); text-transform:uppercase; font-size:.68rem; letter-spacing:.08em; margin-bottom:6px; }

/* Tabela comparativa */
.compare-wrap{ overflow-x:auto; margin: 1.6em 0; }
table.compare{ width:100%; border-collapse: collapse; font-size:.9rem; min-width: 560px; }
table.compare th, table.compare td{ padding: 12px 14px; border-bottom: 1px solid var(--line); text-align:left; vertical-align:top; }
table.compare th{ font-family: var(--f-mono); text-transform:uppercase; font-size:.68rem; letter-spacing:.06em; color: var(--ink-soft); }
table.compare td.produto{ font-weight:600; }
table.compare tr:hover{ background: var(--card); }

/* Cartão de produto (dentro do artigo) */
.product-card{
  border:1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin: 1.8em 0; background: var(--card);
  display:grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items:center;
}
.product-card .idx{ font-family: var(--f-display); font-weight:900; font-size:2rem; color: var(--line); }
.product-card h4{ margin:0 0 4px; font-size: 1.05rem; }
.product-card .prós-contras{ display:grid; grid-template-columns:1fr 1fr; gap: 14px; margin-top:10px; font-size:.85rem;}
.product-card .prós-contras .t{ font-family: var(--f-mono); text-transform:uppercase; font-size:.62rem; letter-spacing:.06em; color: var(--teal); margin-bottom:4px; }
@media (max-width: 640px){
  .product-card{ grid-template-columns: 1fr; text-align:left; }
  .product-card .idx{ display:none; }
}

.faq details{ border-bottom:1px solid var(--line); padding: 14px 0; }
.faq summary{ cursor:pointer; font-weight:600; font-family: var(--f-display); font-size:1.02rem; list-style:none; display:flex; justify-content:space-between; gap:12px;}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; font-family: var(--f-mono); color:var(--gold-deep); }
.faq details[open] summary::after{ content:"–"; }
.faq p{ color: var(--ink-soft); margin-top:10px; }

.disclosure-note{
  font-size:.82rem; color: var(--ink-soft); background: var(--paper-alt);
  padding: 14px 16px; border-radius: var(--radius); margin: 1.6em 0;
}

/* ============ RODAPÉ ============ */
footer.site-footer{ background: var(--ink); color:#C7CBB8; padding: 56px 0 24px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap:36px; }
.footer-grid h4{ color:#fff; font-family: var(--f-mono); text-transform:uppercase; font-size:.72rem; letter-spacing:.08em; margin-bottom:16px; }
.footer-grid li{ margin-bottom:9px; font-size:.88rem; }
.footer-grid a:hover{ color: var(--gold); }
.footer-brand{ font-family: var(--f-display); font-size:1.5rem; color:#fff; margin-bottom:10px; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top:40px; padding-top:20px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.76rem; }
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }

/* ============ UTIL ============ */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.tag-pill{
  display:inline-block; font-family: var(--f-mono); font-size:.66rem; text-transform:uppercase; letter-spacing:.06em;
  padding: 4px 10px; border-radius: 20px; border:1px solid var(--teal); color: var(--teal);
}

.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom: 30px; }
.filter-bar button{
  font-family: var(--f-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.04em;
  padding: 8px 14px; border-radius: 20px; border:1px solid var(--line); background: var(--card); cursor:pointer;
}
.filter-bar button.active{ background: var(--ink); color: var(--paper); border-color: var(--ink); }

.back-top{
  position: fixed; right: 22px; bottom: 22px; width:44px; height:44px;
  background: var(--ink); color: var(--gold); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition: opacity .2s ease;
  z-index: 40;
}
.back-top.show{ opacity:1; pointer-events:auto; }