/* esteira.net — design system
   Palette: nevoa #F4F7F6 | tinta #182B2A | esmeralda #0F7C5C | esmeralda-escura #0B5C45 | ambar #E5A33B | linha #D8E2DF
   Display: Georgia (editorial) · Body: system-ui · Números: tabular */
:root{
  --nevoa:#F4F7F6; --tinta:#182B2A; --cinza:#46605C; --esmeralda:#0F7C5C;
  --esmeralda-esc:#0B5C45; --ambar:#E5A33B; --linha:#D8E2DF; --branco:#FFFFFF;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,Ubuntu,sans-serif;
}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{font:400 1rem/1.65 var(--sans);color:var(--tinta);background:var(--nevoa)}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
a{color:var(--esmeralda-esc)}
a:focus-visible,button:focus-visible{outline:3px solid var(--ambar);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);line-height:1.2;font-weight:700}
h1{font-size:clamp(1.9rem,4.5vw,3rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,3vw,2rem);margin:0 0 .6rem}
h3{font-size:1.2rem;margin:0 0 .4rem}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.3rem}
li{margin-bottom:.4rem}
b,strong{font-weight:600}

/* Lane stripe — assinatura visual (lona da esteira) */
.lane{height:8px;background:repeating-linear-gradient(90deg,var(--esmeralda) 0 42px,var(--ambar) 42px 50px)}

/* Header */
.site-head{background:var(--tinta);color:#fff}
.nav-row{display:flex;align-items:center;gap:1.2rem;padding:.85rem 20px;max-width:1060px;margin:0 auto}
.logo{font-family:var(--serif);font-size:1.35rem;font-weight:700;color:#fff;text-decoration:none;white-space:nowrap}
.logo span{color:var(--ambar)}
.site-head nav{display:flex;gap:.2rem;overflow-x:auto;scrollbar-width:none}
.site-head nav::-webkit-scrollbar{display:none}
.site-head nav a{color:#DCE9E5;text-decoration:none;font-size:.9rem;padding:.35rem .6rem;border-radius:6px;white-space:nowrap}
.site-head nav a:hover,.site-head nav a[aria-current]{background:rgba(255,255,255,.12);color:#fff}

/* Aviso de afiliado */
.disclosure{background:#E9F1EE;color:var(--cinza);font-size:.78rem;text-align:center;padding:.45rem 20px;margin:0}

/* Hero */
.hero{padding:3.2rem 0 2.6rem;background:linear-gradient(180deg,var(--branco),var(--nevoa))}
.eyebrow{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--esmeralda);font-weight:600;margin-bottom:.6rem}
.hero p.lead{font-size:1.12rem;color:var(--cinza);max-width:46rem;margin-top:.9rem}

/* Trilhos de decisão (hero) */
.rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:.8rem;margin-top:1.6rem}
.rail a{display:block;background:var(--branco);border:1px solid var(--linha);border-left:5px solid var(--esmeralda);border-radius:10px;padding:.85rem 1rem;text-decoration:none;color:var(--tinta);transition:transform .15s}
.rail a:hover{transform:translateY(-2px);border-left-color:var(--ambar)}
.rail b{display:block;font-family:var(--serif)}
.rail small{color:var(--cinza)}

/* Seções e cards */
section{padding:2.4rem 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1.1rem;margin-top:1.2rem}
.card{background:var(--branco);border:1px solid var(--linha);border-radius:12px;padding:1.25rem;display:flex;flex-direction:column;gap:.55rem}
.card h3 a{color:var(--tinta);text-decoration:none}
.card h3 a:hover{color:var(--esmeralda)}
.card p{color:var(--cinza);font-size:.95rem;margin:0;flex-grow:1}

/* Chips estilo painel da esteira */
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin:0}
.chip{font-size:.74rem;letter-spacing:.03em;background:var(--tinta);color:#CFE7DF;border-radius:6px;padding:.22rem .55rem;font-variant-numeric:tabular-nums}
.chip b{color:var(--ambar);font-weight:600}

/* Botão Amazon */
.btn-amz{display:inline-block;background:var(--esmeralda);color:#fff;text-decoration:none;font-weight:600;padding:.7rem 1.25rem;border-radius:8px;transition:background .15s}
.btn-amz:hover{background:var(--esmeralda-esc)}
.btn-amz.sec{background:transparent;color:var(--esmeralda-esc);border:2px solid var(--esmeralda)}
.btn-amz.sec:hover{background:#E9F1EE}

/* Prosa dos guias */
.prose{max-width:46rem}
.prose h2{margin-top:2rem}
.prose h3{margin-top:1.3rem}
.box{background:var(--branco);border:1px solid var(--linha);border-left:5px solid var(--ambar);border-radius:10px;padding:1rem 1.2rem;margin:1.2rem 0}

/* Tabela comparativa */
.tbl{width:100%;border-collapse:collapse;background:var(--branco);border:1px solid var(--linha);border-radius:10px;overflow:hidden;font-size:.93rem;margin:1.2rem 0}
.tbl th{background:var(--tinta);color:#fff;text-align:left;padding:.65rem .8rem;font-weight:600}
.tbl td{padding:.6rem .8rem;border-top:1px solid var(--linha);font-variant-numeric:tabular-nums}
.tbl tr:nth-child(even) td{background:#FAFCFB}
.tbl-scroll{overflow-x:auto}

/* FAQ */
.faq details{background:var(--branco);border:1px solid var(--linha);border-radius:10px;padding:.9rem 1.1rem;margin-bottom:.7rem}
.faq summary{font-weight:600;cursor:pointer;font-family:var(--serif);font-size:1.05rem}
.faq details p{margin:.7rem 0 0;color:var(--cinza)}

/* Bloco de links internos */
.linkbox{background:var(--branco);border:1px solid var(--linha);border-radius:12px;padding:1.2rem 1.4rem;margin-top:1.5rem}
.linkbox ul{columns:2;gap:2rem;margin:0;padding-left:1.2rem}
@media(max-width:600px){.linkbox ul{columns:1}}

/* Breadcrumb */
.crumb{font-size:.82rem;color:var(--cinza);padding-top:1.2rem}
.crumb a{color:var(--cinza)}
.crumb ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem}
.crumb li+li::before{content:"›";margin-right:.3rem}

/* Rodapé */
footer{background:var(--tinta);color:#B9CFC9;margin-top:3rem;font-size:.88rem}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.6rem;padding:2.4rem 0}
footer h4{color:#fff;font-family:var(--serif);margin:0 0 .6rem;font-size:1rem}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:.35rem}
footer a{color:#B9CFC9;text-decoration:none}
footer a:hover{color:var(--ambar)}
.foot-base{border-top:1px solid rgba(255,255,255,.14);padding:1.1rem 0;font-size:.78rem}