:root{
  --bg:#0a0d12;
  --surface:#0f141b;
  --surface-2:#121925;
  --text:#e6edf3;
  --muted:#94a3b8;
  --brand:#60a5fa;     /* azul */
  --accent:#22c55e;    /* verde */
  --ring:#1f2937;
  --radius:16px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --max:1100px;
  --gap:20px;
  --font:'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, 'Helvetica Neue', Arial;
}

/* Light mode automático */
@media (prefers-color-scheme: light){
  :root{ --bg:#f8fafc; --surface:#ffffff; --surface-2:#ffffff; --text:#0f172a; --muted:#475569; --ring:#e2e8f0; --shadow:0 10px 28px rgba(0,0,0,.08); }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font:500 16px/1.6 var(--font); color:var(--text);
  background:
    radial-gradient(900px 500px at 120% -10%, rgba(96,165,250,.15), transparent 60%),
    radial-gradient(800px 500px at -20% 10%, rgba(34,197,94,.12), transparent 50%),
    var(--bg);
}
.container{max-width:var(--max); margin:0 auto; padding:0 24px}

/* Links (evita azul/roxo padrão) */
a{color:color-mix(in srgb, var(--brand) 85%, #fff 0%); text-decoration:none}
a:hover{color:var(--brand); text-decoration:underline}

/* Header */
.site-header{
  position:sticky; top:0; z-index:10; backdrop-filter: blur(10px) saturate(140%);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid color-mix(in srgb, var(--text) 12%, transparent);
}
.nav{display:flex; align-items:center; justify-content:space-between; height:64px}
.logo{font-weight:800; letter-spacing:.3px; color:var(--text); text-decoration:none}
.logo span{opacity:.55}
.menu{display:flex; gap:16px; align-items:center}
.menu a{color:var(--text); opacity:.9}
.menu .btn{margin-left:8px}
.hamburger{display:none; font-size:20px; background:none; border:0; color:var(--text)}

/* Buttons */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:10px 14px; border-radius:12px; font-weight:700; border:1px solid color-mix(in srgb, var(--text) 16%, transparent)}
.btn.primary{background:var(--brand); color:#031024; border-color:transparent; box-shadow:var(--shadow)}
.btn.ghost{color:var(--text)}
.btn:hover{transform:translateY(-1px)}

/* Hero */
.hero{display:grid; grid-template-columns:1.15fr .85fr; gap:var(--gap); align-items:center; padding:64px 0 24px}
.kicker{display:inline-flex; align-items:center; gap:8px; font-size:12px; color:var(--muted); background:color-mix(in srgb, var(--text) 6%, transparent); border:1px solid color-mix(in srgb, var(--text) 14%, transparent); padding:6px 10px; border-radius:999px}
.grad{background:linear-gradient(90deg, var(--brand), var(--accent)); -webkit-background-clip:text; background-clip:text; color:transparent}
.hero h1{font-size:clamp(28px, 4vw, 46px); line-height:1.1; margin:.6rem 0 1rem}
.lead{color:var(--muted); font-size:18px; max-width:60ch}
.cta{display:flex; gap:12px; margin:18px 0 8px}
.quick-list{margin:12px 0 0; padding-left:16px; color:var(--muted)}
.hero-art{position:relative; min-height:320px}
.blob{position:absolute; inset:0; background:radial-gradient(600px 300px at 70% 30%, color-mix(in srgb, var(--brand) 35%, transparent), transparent 60%)}
.card{position:relative; background:linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface-2) 92%, transparent)); border:1px solid color-mix(in srgb, var(--text) 10%, transparent); border-radius:var(--radius); box-shadow:var(--shadow)}
.stat{position:absolute; top:20px; right:20px; padding:14px 16px; display:flex; flex-direction:column; align-items:center; gap:4px}
.stat + .stat{top:auto; bottom:20px}
.stat-num{font-size:28px; font-weight:800}
.stat-label{font-size:12px; color:var(--muted)}

/* Sections */
.section{padding:48px 0}
.section-head{display:flex; align-items:end; justify-content:space-between; gap:12px; margin-bottom:18px}
.section h2{font-size:clamp(22px, 3vw, 32px); margin:0}
.muted{color:var(--muted)}

/* Projects (agora responsivo com auto-fit) */
.grid.projects{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:var(--gap);
}
.project{padding:18px}
.project .tag{display:inline-block; font-size:12px; color:var(--muted); border:1px solid color-mix(in srgb, var(--text) 12%, transparent); padding:4px 8px; border-radius:999px; margin-bottom:8px}
.project h3{margin:6px 0 8px; font-size:20px}
.chips{display:flex; flex-wrap:wrap; gap:8px; margin:10px 0}
.chips span{font-size:12px; padding:6px 10px; border-radius:999px; background:color-mix(in srgb, var(--text) 6%, transparent); border:1px solid color-mix(in srgb, var(--text) 10%, transparent)}
.actions{display:flex; gap:12px}
.project:hover{transform:translateY(-2px)}

/* About */
.about{padding:20px}

/* Skills */
.grid.skills{display:grid; grid-template-columns:repeat(4, 1fr); gap:14px}
.pill{padding:10px 12px; border-radius:999px; border:1px dashed color-mix(in srgb, var(--text) 20%, transparent); text-align:center}

/* Timeline */
.timeline{position:relative; display:grid; gap:16px}
.dotline{position:absolute; left:10px; top:0; bottom:0; width:2px; background:color-mix(in srgb, var(--text) 14%, transparent)}
.titem{display:grid; grid-template-columns:120px 1fr; align-items:start; gap:12px}
.tdate{color:var(--muted); font-size:14px}
.tcard{padding:16px}

/* Social links (ícones) */
.social-links{
  display:flex;
  gap:20px;
  align-items:center;
  margin-top:20px;
}
.social-links a{
  width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%;
  background:var(--surface);
  border:1px solid color-mix(in srgb, var(--text) 12%, transparent);
  box-shadow:var(--shadow);
  transition:transform .2s, background .2s;
}
.social-links a:hover{ transform:translateY(-3px) scale(1.05); background:var(--brand); }
.social-links img{ width:20px; height:20px; filter:invert(1); }

/* Footer */
.site-footer{padding:40px 0; color:var(--muted)}
.foot{display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap}
.foot .links{display:flex; gap:12px}

/* Responsivo */
@media (max-width: 1000px){
  .hero{grid-template-columns:1fr}
  .grid.skills{grid-template-columns:1fr 1fr}
  .menu{display:none}
  .hamburger{display:block}
  .menu.open{
    display:flex; position:absolute; right:24px; top:64px; padding:12px;
    background:var(--surface); border:1px solid color-mix(in srgb, var(--text) 12%, transparent);
    border-radius:12px; box-shadow:var(--shadow); flex-direction:column
  }
}
@media (max-width: 560px){
  .grid.skills{grid-template-columns:1fr}
}

/* ===== Links base  ===== */
a {
  color: color-mix(in srgb, var(--brand) 85%, #ffffff 0%);
  text-decoration: none;
}
a:visited {
  color: color-mix(in srgb, var(--brand) 85%, #ffffff 0%);
}
a:hover {
  color: var(--text);
  text-decoration: none; /* garante que não apareça underline padrão */
}

.actions a,
.foot .links a {
  position: relative;
  color: var(--muted);
  transition: color .22s ease, opacity .22s ease;
  opacity: .95;
}
.actions a::after,
.foot .links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
  border-radius: 2px;
}
.actions a:hover,
.foot .links a:hover {
  color: var(--text);
  opacity: 1;
}
.actions a:hover::after,
.foot .links a:hover::after {
  transform: scaleX(1);
}

/* Acessibilidade no teclado */
.actions a:focus-visible,
.foot .links a:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--brand) 40%, transparent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ===== Mobile fixes ===== */

/* evita qualquer scroll lateral acidental */
html, body { overflow-x: hidden; }

/* imagens/ícones nunca estouram a largura */
img, svg { max-width: 100%; height: auto; }

/* tablet e celulares maiores */
@media (max-width: 768px){
  .container{ padding: 0 16px; }

  .section{ padding: 32px 0; }

  .hero{ padding: 32px 0 8px; }
  .hero h1{ font-size: clamp(26px, 8vw, 36px); }
  .lead{ font-size: 16px; }
  .cta{ flex-wrap: wrap; gap: 10px; }

  /* deixa a arte do hero menor e os badges mais discretos */
  .hero-art{ min-height: 180px; }
  .stat{ transform: scale(.9); }
}

/* celulares pequenos (≤ 480px) */
@media (max-width: 480px){
  .kicker{ font-size: 11px; padding: 5px 9px; }
  .btn{ padding: 10px 12px; }
  .hero h1{ font-size: clamp(24px, 9vw, 32px); }

  /* skills vira 1 coluna para caber bem */
  .grid.skills{ grid-template-columns: 1fr; }

  /* menu mobile abre com largura confortável */
  .menu.open{
    left: 16px;
    right: 16px;
  }
}