/* ExivaPay Blog — design system (verde emerald, acessível AA). HTML/CSS puro. */
:root{
  --g1:#10b981;--g2:#0f766e;--g3:#059669;--g4:#047857;--g5:#065f46;
  --grad:linear-gradient(120deg,#0f766e,#047857);
  --ink:#081311;--body:#42514a;--muted:#5e6d64;--line:#e7eeea;--line2:#eef4f1;
  --bg:#ffffff;--bg2:#f6faf8;--soft:#ecf6f1;
  --radius:16px;--shadow:0 12px 40px rgba(6,95,70,.08);--maxw:1120px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--body);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--g4);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;letter-spacing:-.02em;font-weight:800}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 14px;border-radius:8px;z-index:99;box-shadow:var(--shadow)}

/* Header */
.site-hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.site-hd .row{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;font-size:1.18rem;color:var(--ink);letter-spacing:-.03em}
.brand:hover{text-decoration:none}
.brand .wm b{color:var(--g4)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--ink);font-weight:600;font-size:.95rem;padding:8px 11px;border-radius:9px}
.nav a:hover{background:var(--soft);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:7px;font-weight:700;border-radius:11px;padding:.62rem 1.05rem;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.15s;line-height:1}
.btn-pri{background:var(--g4);color:#fff;box-shadow:0 8px 20px rgba(4,120,87,.22)}
.btn-pri:hover{background:var(--g5);text-decoration:none}
.btn-gho{background:#fff;color:var(--g4);border-color:var(--line)}
.btn-gho:hover{background:var(--soft);text-decoration:none}
.menu-tg{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink);cursor:pointer}

/* Breadcrumb */
.crumb{font-size:.84rem;color:var(--muted);padding:18px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumb li::after{content:"›";margin-left:6px;color:#b8c7bf}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--muted)}

/* Hero / page head */
.phead{padding:30px 0 6px}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--g3);background:var(--soft);padding:5px 11px;border-radius:999px}
.phead h1{font-size:clamp(1.9rem,4.4vw,3rem);margin:14px 0 8px}
.phead p.lead{font-size:1.12rem;color:var(--muted);max-width:720px;margin:0}

/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0 10px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d6e6dd}
.card .ph{aspect-ratio:16/9;background:var(--grad);position:relative;overflow:hidden}
.card .ph span{position:absolute;left:14px;bottom:12px;color:#fff;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;text-shadow:0 1px 8px rgba(0,0,0,.25);padding-right:14px}
.card .bd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .cat{font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--g3)}
.card h3{font-size:1.12rem;margin:0;letter-spacing:-.02em}
.card h3 a{color:var(--ink)}
.card .ex{font-size:.93rem;color:var(--muted);margin:0}
.card .mt{margin-top:auto;font-size:.8rem;color:#8a988f;display:flex;gap:10px;align-items:center}

/* Featured */
.feat{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch;margin:26px 0}
.feat .ph{border-radius:var(--radius);background:var(--grad);min-height:300px;position:relative;overflow:hidden;border:1px solid #cde7da}
.feat .ph span{position:absolute;left:22px;bottom:20px;color:#fff;font-weight:800;font-size:1.6rem;letter-spacing:-.03em;text-shadow:0 2px 14px rgba(0,0,0,.28);padding-right:20px}
.feat .bd{display:flex;flex-direction:column;justify-content:center;gap:12px}
.feat .bd h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0}
.feat .bd h2 a{color:var(--ink)}
.feat .bd .ex{font-size:1.05rem;color:var(--muted)}

/* Category chips */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 6px}
.chip{font-size:.86rem;font-weight:700;color:var(--g4);background:var(--soft);border:1px solid #d7eadf;padding:7px 13px;border-radius:999px}
.chip:hover{background:#e0f1e8;text-decoration:none}

/* Article layout */
.article{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:48px;align-items:start;margin:8px 0 10px}
.prose{max-width:760px;font-size:1.06rem}
.prose p{margin:0 0 1.15em}
.prose h2{font-size:1.62rem;margin:2em 0 .55em;padding-top:.2em}
.prose h3{font-size:1.26rem;margin:1.6em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin:.4em 0}
.prose a{font-weight:600;text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--ink)}
.prose blockquote{margin:1.4em 0;padding:.4em 0 .4em 20px;border-left:4px solid var(--g1);color:var(--ink);font-style:italic;background:var(--bg2);border-radius:0 10px 10px 0}
.prose code{background:#f0f6f2;border:1px solid var(--line);border-radius:6px;padding:.12em .4em;font-size:.86em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--g5)}
.prose pre{background:#0c1c17;color:#d7f5e7;border-radius:12px;padding:16px 18px;overflow:auto;font-size:.86rem;margin:1.4em 0}
.prose pre code{background:none;border:0;color:inherit;padding:0}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--bg2);color:var(--ink);font-weight:700}
.prose figure{margin:1.5em 0}.prose figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:8px}
.prose h2[id],.prose h3[id]{scroll-margin-top:84px}

/* Article meta */
.amt{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:.92rem;margin:14px 0 22px}
.amt .av{width:34px;height:34px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;font-size:.85rem}
.amt .dot{width:3px;height:3px;border-radius:50%;background:#c2d0c8}

/* TOC */
.toc{position:sticky;top:84px;font-size:.9rem;border-left:2px solid var(--line);padding-left:16px}
.toc strong{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.toc a{display:block;color:var(--muted);padding:4px 0;border-left:2px solid transparent;margin-left:-18px;padding-left:16px}
.toc a.lv3{padding-left:28px;font-size:.86rem}
.toc a:hover{color:var(--g4);text-decoration:none}
.toc a.on{color:var(--g4);font-weight:700;border-left-color:var(--g3)}

/* Share + tags */
.share{display:flex;align-items:center;gap:9px;margin:6px 0}
.share b{font-size:.85rem;color:var(--muted);margin-right:4px}
.share a,.share button{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--g4);cursor:pointer}
.share a:hover,.share button:hover{background:var(--soft)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.tags a{font-size:.82rem;color:var(--muted);background:var(--bg2);border:1px solid var(--line);padding:5px 11px;border-radius:8px}
.tags a:hover{color:var(--g4);text-decoration:none}

/* CTA / boxes inside article */
.box{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin:30px 0}
.cta-box{background:linear-gradient(120deg,#063f31,#065f46);color:#dff3ea;border:0}
.cta-box h3{color:#fff;font-size:1.3rem;margin:0 0 6px}
.cta-box p{margin:0 0 16px;color:#cde9df}
.cta-box .btn-pri{background:#fff;color:var(--g5)}
.cta-box .btn-pri:hover{background:#eafaf3}
.cta-box .btn-gho{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}

/* Newsletter */
.news{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.news input[type=email]{flex:1;min-width:200px;padding:.7rem .9rem;border:1px solid var(--line);border-radius:11px;font-size:.95rem;font-family:inherit}
.news input:focus{outline:2px solid var(--g1);border-color:var(--g1)}
.hp{position:absolute;left:-9999px}

/* Related */
.section-t{font-size:1.4rem;margin:40px 0 4px}

/* Comments placeholder */
.cmt{border:1px dashed var(--line);border-radius:var(--radius);padding:22px;text-align:center;color:var(--muted);margin:30px 0;background:var(--bg2)}

/* Search */
.search-box{display:flex;gap:10px;margin:22px 0;max-width:560px}
.search-box input{flex:1;padding:.8rem 1rem;border:1px solid var(--line);border-radius:12px;font-size:1rem;font-family:inherit}
.search-box input:focus{outline:2px solid var(--g1);border-color:var(--g1)}
#sr{margin-top:10px}
.sr-empty{color:var(--muted);padding:20px 0}

/* Footer */
.site-ft{background:#06231b;color:#bcd6cb;margin-top:60px;padding:48px 0 30px;font-size:.92rem}
.site-ft a{color:#cde9df}
.ftg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.site-ft h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}
.site-ft ul{list-style:none;margin:0;padding:0}.site-ft li{margin:7px 0}
.ftb{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#8fb3a5;font-size:.85rem}

@media(max-width:900px){
  .article{grid-template-columns:1fr;gap:24px}
  .toc{display:none}
  .feat{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .ftg{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  body{font-size:16px}
  .nav{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .nav.open{display:flex}
  .nav a,.nav .btn{padding:12px 14px;border-radius:10px}
  .menu-tg{display:block}
  .grid{grid-template-columns:1fr}
  .ftg{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}