/* ==========================================================================
   Matheus Vieira — portfólio
   Ordem: fontes, tokens, base, topo, assinatura, resumo, projetos,
          experiência, stack, formação, contato, rodapé, responsivo.
   ========================================================================== */

/* --- fontes (locais, sem Google Fonts) ---------------------------------- */
@font-face{
  font-family:"Plex Sans";
  src:url("../fonts/ibm-plex-sans.woff2") format("woff2-variations"),
      url("../fonts/ibm-plex-sans.woff2") format("woff2");
  font-weight:100 700; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Plex Mono";
  src:url("../fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:"Plex Mono";
  src:url("../fonts/ibm-plex-mono-600.woff2") format("woff2");
  font-weight:600; font-style:normal; font-display:swap;
}

/* --- tokens ------------------------------------------------------------- */
:root{
  --black:#000;
  --surface:#0d0d0d;
  --line:#1e1e1e;
  --line-forte:#2b2b2b;
  --ink:#f4f4f4;
  --muted:#a6a6a6;
  --dim:#6e6e6e;

  /* as quatro cores da assinatura: eat() sleep() code() repeat() */
  --amarelo:#e4df58;
  --verde:#64c954;
  --azul:#6892f3;    /* code() — acento principal do site */
  --vermelho:#e95d6b;

  --sans:"Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --pad:clamp(20px,5vw,36px);
}

/* --- base --------------------------------------------------------------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--black);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--azul);outline-offset:3px}

.wrap{width:100%;max-width:880px;margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
section{padding:clamp(44px,7vw,72px) 0;border-top:1px solid var(--line)}

h1,h2,h3{margin:0;line-height:1.18;font-weight:600;letter-spacing:-.015em}
h2{font-size:clamp(23px,3.6vw,29px)}
h3{font-size:18px}
p{margin:0}
.lead{color:var(--muted);font-size:clamp(16px,2.1vw,18px)}
.lead+.lead{margin-top:14px}
.sec-head{max-width:62ch;margin-bottom:clamp(26px,4vw,38px);display:grid;gap:12px}

/* --- topo --------------------------------------------------------------- */
/* só vertical: o lateral vem do .wrap e o shorthand o zerava */
.topo{padding-top:clamp(38px,7vw,64px);padding-bottom:clamp(30px,5vw,44px);border-top:0}
.id{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.retrato{
  width:96px;height:96px;flex:none;border-radius:50%;
  background:var(--surface);border:1px solid var(--line-forte);
}
.id h1{font-size:clamp(30px,5.4vw,42px)}
.papel{color:var(--ink);font-size:clamp(17px,2.4vw,20px);font-weight:500;margin-top:4px}
.pilha{font-family:var(--mono);font-size:14px;color:var(--dim);margin-top:10px}
.onde{color:var(--muted);font-size:15px;margin-top:6px}

.acoes{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  min-height:44px;padding:10px 17px;border-radius:6px;
  text-decoration:none;font-size:15px;font-weight:500;
  color:var(--ink);background:var(--surface);border:1px solid var(--line-forte);
}
.btn:hover{border-color:#3d3d3d;background:#141414}
.btn svg{width:17px;height:17px;fill:currentColor;flex:none}
.btn-cv{background:var(--ink);color:#000;border-color:var(--ink)}
.btn-cv:hover{background:#fff;border-color:#fff}

/* --- assinatura: aparece uma vez só, e é a identidade dele -------------- */
.assinatura{
  margin-top:clamp(32px,5vw,48px);padding-top:clamp(22px,3.5vw,30px);
  border-top:1px solid var(--line);
  font-family:var(--mono);font-weight:600;
  font-size:clamp(15px,3.4vw,25px);color:var(--dim);
  display:flex;flex-wrap:wrap;gap:6px 22px;
}
.assinatura span{white-space:nowrap}
.p-amarelo{color:var(--amarelo)}
.p-verde{color:var(--verde)}
.p-azul{color:var(--azul)}
.p-vermelho{color:var(--vermelho)}

/* --- projetos ----------------------------------------------------------- */
.projetos{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr))}
.proj{
  background:var(--surface);border:1px solid var(--line);border-radius:8px;
  padding:24px 22px;display:flex;flex-direction:column;
}
.proj h3{margin-bottom:4px}
.proj .resumo{color:var(--muted);font-size:16px;margin-top:10px}
.proj .techs{font-family:var(--mono);font-size:13px;color:var(--azul)}
.proj .dados{
  font-family:var(--mono);font-size:13px;color:var(--dim);
  margin-top:16px;margin-bottom:18px;display:flex;flex-wrap:wrap;gap:4px 16px;
}
.proj .ver{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:15px;font-weight:500;text-decoration:none;color:var(--ink);
}
.proj .ver:hover{text-decoration:underline}

/* --- experiência -------------------------------------------------------- */
.cargo{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px}
.cargo .quando{font-family:var(--mono);font-size:14px;color:var(--dim)}
.onde-trab{color:var(--muted);font-size:16px;margin-top:6px}
.entregas{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:13px}
.entregas li{color:var(--muted);font-size:16px;padding-left:24px;position:relative}
.entregas li::before{
  content:"";position:absolute;left:0;top:12px;width:11px;height:1px;background:var(--azul);
}

/* --- stack -------------------------------------------------------------- */
.stack{display:grid;gap:18px}
.stack-linha{display:grid;grid-template-columns:180px 1fr;gap:6px 20px;align-items:baseline}
.stack-linha dt{font-size:15px;font-weight:600;color:var(--ink)}
.stack-linha dd{margin:0;font-family:var(--mono);font-size:14px;color:var(--muted);line-height:1.75}

/* --- formação, idiomas -------------------------------------------------- */
.duas{display:grid;gap:36px;grid-template-columns:1.2fr .8fr;align-items:start}
.lista{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.lista li{color:var(--muted);font-size:16px;padding-left:22px;position:relative}
.lista li::before{content:"";position:absolute;left:0;top:12px;width:9px;height:1px;background:var(--dim)}
.idiomas{display:grid;gap:10px;margin-top:18px}
.idiomas div{display:flex;justify-content:space-between;gap:16px;font-size:16px;color:var(--muted)}
.idiomas strong{color:var(--ink);font-weight:500}

/* --- contato ------------------------------------------------------------ */
.contatos{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.contatos li{display:flex;align-items:center;gap:12px;font-size:16px;color:var(--muted)}
.contatos svg{width:18px;height:18px;fill:var(--dim);flex:none}
.contatos a{color:var(--ink);text-decoration:none}
.contatos a:hover{text-decoration:underline}

footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--dim);font-size:14px}

/* --- responsivo --------------------------------------------------------- */
@media (max-width:720px){
  .duas{grid-template-columns:1fr;gap:30px}
  .stack-linha{grid-template-columns:1fr;gap:4px}
  .retrato{width:76px;height:76px}
  .id{gap:16px}
}

/* --- acessibilidade ----------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}