/* ===========================================================
   Rob Moreira — folha de estilo compartilhada
   Tokens, navegação, rodapé, botões e utilidades.
   Usada por Blog.html, Artigo.html (e futuras páginas).
   =========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Schibsted+Grotesk:wght@400;500;600;700;800&family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root{
  --ink:#1b1813;
  --ink-80:#3a352d;
  --ink-60:#6a6258;
  --ink-40:#9b9387;
  --paper:#faf7f1;
  --paper-2:#f3ede2;
  --card:#ffffff;
  --line:#e7ded0;
  --green:#0AE276;
  --green-soft:#cdf8e2;
  --green-deep:#07925a;
  --max:1180px;
  --r:18px;
  --r-lg:28px;
  --shadow-sm:0 1px 2px rgba(27,24,19,.05), 0 6px 18px -10px rgba(27,24,19,.18);
  --shadow-md:0 2px 6px rgba(27,24,19,.06), 0 24px 50px -24px rgba(27,24,19,.30);
  --ff-display:"Schibsted Grotesk", system-ui, sans-serif;
  --ff-text:"Hanken Grotesk", system-ui, sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--ff-text);font-size:18px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--ff-display);font-weight:700;line-height:1.08;letter-spacing:-.02em;margin:0;color:var(--ink);}
p{margin:0;color:var(--ink-80);text-wrap:pretty;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:var(--ff-text);font-weight:600;font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--green-deep);display:inline-flex;align-items:center;gap:.55rem;margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--green);border-radius:2px;}
.center{text-align:center;}
.center .eyebrow{justify-content:center;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--ff-text);font-weight:600;font-size:1rem;
  padding:.92em 1.5em;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;}
.btn-green{background:var(--green);color:#06371f;box-shadow:0 10px 24px -12px rgba(10,226,118,.9);}
.btn-green:hover{transform:translateY(-2px);background:#2bea88;box-shadow:0 16px 30px -12px rgba(10,226,118,.95);}
.btn-ink{background:var(--ink);color:var(--paper);}
.btn-ink:hover{transform:translateY(-2px);background:#000;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);}
.btn-lg{font-size:1.05rem;padding:1.05em 1.7em;}

/* nav (shared) */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .25s ease, box-shadow .25s ease, border-color .25s ease;border-bottom:1px solid transparent;}
.nav.scrolled{background:rgba(250,247,241,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line);}
.nav-in{display:flex;align-items:center;gap:1.5rem;height:74px;}
.brand{display:flex;align-items:center;gap:.65rem;font-family:var(--ff-display);font-weight:700;font-size:1.18rem;letter-spacing:-.02em;}
.mark{width:38px;height:38px;border-radius:11px;background:var(--ink);display:grid;place-items:center;flex:0 0 auto;}
.mark svg{width:22px;height:22px;}
.nav-links{display:flex;align-items:center;gap:1.7rem;margin-left:auto;}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--ink-80);transition:color .15s;white-space:nowrap;}
.nav-links a:hover,.nav-links a.active{color:var(--ink);}
.nav-cta{display:flex;align-items:center;gap:.7rem;}
.nav-cta .btn{padding:.62em 1.15em;font-size:.92rem;}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--card);align-items:center;justify-content:center;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.burger span::before{top:-6px;}.burger span::after{top:6px;}
.mobile-menu{display:none;}

/* footer (shared) */
.foot{border-top:1px solid rgba(255,255,255,.08);padding:3.5rem 0 2.5rem;background:var(--ink);color:var(--paper);}
.foot .brand{color:var(--paper);}
.foot .mark{background:rgba(255,255,255,.08);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;}
.foot h5{font-family:var(--ff-display);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(250,247,241,.5);margin:0 0 1.1rem;font-weight:700;}
.foot a{display:block;color:rgba(250,247,241,.7);font-size:.95rem;padding:.3rem 0;transition:color .15s;}
.foot a:hover{color:var(--green);}
.foot-brand p{margin-top:1rem;font-size:.95rem;color:rgba(250,247,241,.6);max-width:34ch;}
.foot-social{display:flex;gap:.6rem;margin-top:1.3rem;}
.foot-social a{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.15);display:grid;place-items:center;color:rgba(250,247,241,.85);transition:background .2s,color .2s,transform .2s,border-color .2s;padding:0;}
.foot-social a:hover{background:var(--green);color:#06371f;border-color:var(--green);transform:translateY(-2px);}
.foot-social svg{width:20px;height:20px;}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:3rem;padding-top:1.6rem;border-top:1px solid rgba(255,255,255,.08);color:rgba(250,247,241,.45);font-size:.85rem;flex-wrap:wrap;}

/* placeholder image */
.ph{position:relative;background:repeating-linear-gradient(135deg, var(--paper-2) 0 14px, #ece3d4 14px 28px);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-40);overflow:hidden;}
.ph .ph-tag{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.78rem;background:rgba(250,247,241,.85);border:1px solid var(--line);border-radius:8px;padding:.4em .7em;}

/* reveal */
.js .reveal{opacity:0;transform:translateY(20px);}
@media (prefers-reduced-motion: no-preference){
  .js .reveal{transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);}
}
.reveal.in{opacity:1!important;transform:none!important;}

/* responsive */
@media(max-width:900px){
  .nav-links,.nav-cta{display:none;}
  .burger{display:flex;}
  .mobile-menu.open{display:block;position:fixed;inset:74px 0 auto;background:var(--paper);border-bottom:1px solid var(--line);padding:1.2rem 24px 1.6rem;z-index:55;box-shadow:var(--shadow-md);}
  .mobile-menu.open a{display:block;padding:.85rem 0;font-weight:600;border-bottom:1px solid var(--line);color:var(--ink);}
  .mobile-menu.open .btn{width:100%;margin-top:1rem;}
}
@media(max-width:760px){
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}