/* Base compartilhada do site Questione: tokens, tipografia, nav, botoes, card, footer.
 Usada por index.html (/morf/) e pesquisa-pi/index.html. Estilos de secao ficam em cada pagina. */
@font-face{font-family:"Masiku";src:url("fonts/Masiku.ttf") format("truetype");font-display:swap}
:root{
  --yellow:#f3ff00;
  --ink:#0b0b0b;
  --navy:#14142e;
  --navy-2:#1c1c40;
  --purple:#6700b7;
  --morf:#421add;
  --morf-dark:#280fa1;
  --eye:#d4ec1c;
  --pink:#f331fe;
  --cyan:#2bd2ff;
  --paper:#fbffc2;
  --radius:18px;
  --max:1160px;
  --brush:"Masiku", "Lacquer", system-ui, sans-serif;
  --sans:"Roboto", system-ui, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--yellow);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:110px 0;position:relative}
.dark{background:var(--navy);color:#fff}
.brush{font-family:var(--brush);font-weight:400;letter-spacing:.01em;text-transform:uppercase;line-height:.95}
h2{font-family:var(--brush);font-weight:400;text-transform:uppercase;font-size:clamp(40px,6vw,76px);line-height:.95;margin:12px 0 22px}
h3{font-size:21px;font-weight:700;line-height:1.2}
.kicker{font-family:"Lacquer",system-ui;font-size:18px;letter-spacing:.04em;color:var(--purple)}
.dark .kicker{color:var(--eye)}
.dark h2{color:var(--yellow)}
p.lead{font-size:clamp(18px,2vw,21px);max-width:720px}
.dark p.lead{color:#d9d9f0}
.hl{background:var(--ink);color:var(--yellow);padding:0 .18em}
.dark .hl{background:var(--yellow);color:var(--ink)}

/* NAV */
nav{position:fixed;inset:0 0 auto 0;z-index:50;background:var(--yellow);border-bottom:3px solid var(--ink)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:38px;width:auto}
.brand span{font-family:var(--brush);font-size:28px;letter-spacing:.02em;padding-top:4px}
nav ul{display:flex;gap:26px;list-style:none;font-weight:700;font-size:15px;text-transform:uppercase;letter-spacing:.03em}
nav ul a{text-decoration:none}
nav ul a:hover{color:var(--purple)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:10px;font-weight:700;font-size:16px;text-decoration:none;border:3px solid var(--ink);cursor:pointer;font-family:var(--sans);transition:transform .15s, box-shadow .15s;box-shadow:4px 4px 0 var(--ink)}
.btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.btn-primary{background:var(--purple);color:#fff}
.btn-ghost{background:#fff;color:var(--ink)}
.dark .btn{border-color:var(--yellow);box-shadow:4px 4px 0 var(--yellow)}
.dark .btn:hover{box-shadow:6px 6px 0 var(--yellow)}
nav .btn{padding:8px 16px;font-size:14px;box-shadow:3px 3px 0 var(--ink)}
@media (max-width:900px){nav ul{display:none}}

/* CARD */
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:60px;text-align:left}
.card{background:#fff;border:3px solid var(--ink);border-radius:var(--radius);padding:26px;box-shadow:6px 6px 0 var(--ink)}
.card .n{font-family:"Lacquer",system-ui;color:var(--purple);font-size:18px}
.card h3{margin:8px 0 8px}

/* FOOTER */

footer{background:#000;color:#fff;padding:40px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer .brand span{color:var(--yellow)}

/* REVEAL */

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}
footer a{color:var(--yellow)}