/* andrematiello.com — shared design system */
:root{
  --bg:#121212; --bg-alt:#171717; --surface:#1c1c1c; --surface-2:#232323;
  --border:#2e2e2e; --border-strong:#3e3e3e;
  --fg:#ededed; --fg-light:#a0a0a0; --fg-muted:#707070;
  --brand:#3ecf8e; --brand-deep:#006239; --brand-dim:rgba(62,207,142,.12); --brand-border:rgba(62,207,142,.35);
  --amber:#ffcb6b; --amber-dim:rgba(255,203,107,.12); --amber-border:rgba(255,203,107,.32);
  --sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1080px; --readw:720px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);
  font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
img{max-width:100%}

/* i18n: default EN; toggle to PT */

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.read{max-width:var(--readw)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(18,18,18,.8);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--fg);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.mark{width:24px;height:24px;border-radius:7px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;font-family:var(--mono);font-size:.62rem;font-weight:700;color:#04130c}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-links > a{color:var(--fg-light);font-size:.9rem}
.nav-links > a:hover{color:var(--fg);text-decoration:none}
.icons{display:flex;gap:12px}
.icons a{color:var(--fg-muted);display:grid;place-items:center}
.icons a:hover{color:var(--brand)}
.icons svg{width:18px;height:18px;fill:currentColor;display:block}

/* ---------- shared bits ---------- */
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--brand-border)}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:8px;padding:10px 18px;font-size:.9rem;
  font-weight:600;border:1px solid var(--border-strong);color:var(--fg);background:var(--surface)}
.btn:hover{text-decoration:none;border-color:var(--fg-muted)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#04130c}
.btn.primary:hover{background:#34b27b}
.btn svg{width:16px;height:16px;fill:currentColor}
.track{font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-dim);border:1px solid var(--brand-border);border-radius:6px;padding:2px 8px}
.pill{font-family:var(--mono);font-size:.66rem;font-weight:600;letter-spacing:.04em;border-radius:20px;padding:2px 10px;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.pill.live{color:var(--brand);background:var(--brand-dim);border:1px solid var(--brand-border)}
.pill.wip{color:var(--amber);background:var(--amber-dim);border:1px solid var(--amber-border)}
.pill i{width:7px;height:7px;border-radius:50%;background:currentColor;display:block}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-family:var(--mono);font-size:.68rem;color:var(--fg-light);background:var(--surface-2);
  border:1px solid var(--border-strong);border-radius:6px;padding:1px 7px}
.proof{font-family:var(--mono);font-size:.72rem;color:var(--brand)}

/* ---------- hero (home) ---------- */
.hero{padding:76px 0 60px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5vw,3.5rem);line-height:1.04;letter-spacing:-.03em;margin:16px 0 0}
.hero .role{color:var(--fg);margin-top:14px;font-size:1.15rem;font-weight:500;max-width:30ch}
.hero .role b{color:var(--brand);font-weight:600}
.hero .lead{color:var(--fg-light);margin-top:16px;max-width:46ch}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* terminal signature */
.term{background:#0d0d0d;border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.9);font-family:var(--mono)}
.term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#151515;border-bottom:1px solid var(--border)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:#3a3a3a;display:block}
.term-bar i:nth-child(1){background:#ff5f57}.term-bar i:nth-child(2){background:#febc2e}.term-bar i:nth-child(3){background:#28c840}
.term-bar em{margin-left:8px;font-style:normal;font-size:.72rem;color:var(--fg-muted)}
.term-body{margin:0;padding:18px;font-size:.82rem;line-height:1.85;color:var(--fg-light);white-space:pre-wrap;word-break:break-word}
.term-body .p{color:var(--brand)}
.term-body .ok{color:var(--brand);font-weight:600}
.term-body .dim{color:var(--fg-muted)}
.cursor{display:inline-block;width:8px;height:1.05em;background:var(--brand);vertical-align:-2px;margin-left:2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- sections (home) ---------- */
.sec{padding:56px 0;border-top:1px solid var(--border)}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:1.7rem;letter-spacing:-.02em;margin:12px 0 6px}
.sec-head p{color:var(--fg-light);margin:0;max-width:56ch}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(288px,1fr));gap:16px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;
  display:flex;flex-direction:column;gap:10px;transition:border-color .15s,transform .15s;color:inherit}
a.card:hover{border-color:var(--brand-border);transform:translateY(-3px);text-decoration:none}
.card .top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.card h3{margin:2px 0 0;font-size:1.05rem;color:var(--fg);letter-spacing:-.01em}
.card p{margin:0;color:var(--fg-light);font-size:.88rem;flex:1}

/* blog list (home) */
.posts{display:flex;flex-direction:column;gap:2px}
.post{display:flex;align-items:baseline;gap:16px;padding:16px 6px;border-bottom:1px solid var(--border);
  border-radius:6px;transition:background .12s}
.post:last-child{border-bottom:none}
a.post:hover{background:var(--surface);text-decoration:none}
.post h3{margin:0;font-size:1.02rem;color:var(--fg);font-weight:500}
.post p{margin:4px 0 0;color:var(--fg-light);font-size:.86rem}
.post .when{margin-left:auto;font-family:var(--mono);font-size:.7rem;color:var(--fg-muted);white-space:nowrap}

/* ---------- subpages (project / article) ---------- */
.crumb{padding:26px 0 0;font-size:.85rem;color:var(--fg-muted)}
.crumb a{color:var(--fg-light)}
.phead{padding:22px 0 8px}
.phead .row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.phead h1{font-size:clamp(1.9rem,3.6vw,2.5rem);line-height:1.12;letter-spacing:-.025em;margin:14px 0 0}
.phead .sub{color:var(--fg-light);margin:12px 0 0;max-width:62ch;font-size:1.02rem}
.phead .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

.meta{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-top:32px}
.meta table{border-collapse:collapse;width:100%;font-size:.86rem}
.meta th{background:var(--bg-alt);color:var(--fg-light);font-weight:500;text-align:left;padding:10px 16px;
  border-bottom:1px solid var(--border);white-space:nowrap;width:190px;vertical-align:top;
  font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}
.meta td{padding:10px 16px;border-bottom:1px solid var(--border);color:var(--fg-light);vertical-align:top}
.meta tr:last-child th,.meta tr:last-child td{border-bottom:none}

/* prose: article body / project detail */
.prose{margin-top:40px}
.prose h2{font-size:1.35rem;letter-spacing:-.02em;margin:44px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.prose h3{font-size:1.05rem;margin:28px 0 8px;color:var(--fg)}
.prose p,.prose li{color:var(--fg-light)}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}
.prose li{margin:6px 0}
.prose strong{color:var(--fg)}
.prose code{background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:1px 6px;
  font-size:.84em;font-family:var(--mono);color:var(--brand)}
.prose pre{background:#0d0d0d;border:1px solid var(--border-strong);border-radius:10px;padding:16px;overflow-x:auto;margin:0 0 16px}
.prose pre code{background:none;border:none;color:var(--fg-light);font-size:.82rem;line-height:1.7}
.prose blockquote{margin:0 0 16px;padding:10px 18px;border-left:3px solid var(--brand);
  background:var(--brand-dim);border-radius:0 8px 8px 0;color:var(--fg)}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{border-collapse:collapse;width:100%;font-size:.86rem;margin:0 0 18px;
  border:1px solid var(--border);border-radius:8px;overflow:hidden}
.prose th{background:var(--bg-alt);color:var(--fg-light);text-align:left;padding:9px 14px;
  border-bottom:1px solid var(--border);font-weight:500}
.prose td{padding:9px 14px;border-bottom:1px solid var(--border);color:var(--fg-light)}
.prose tr:last-child td{border-bottom:none}
.prose figure{margin:0 0 18px}
.prose figure img{border:1px solid var(--border);border-radius:10px;background:var(--bg-alt)}
.prose figcaption{color:var(--fg-muted);font-size:.78rem;margin-top:8px;text-align:center}

.callout{background:var(--surface);border:1px solid var(--border-strong);border-left:3px solid var(--amber);
  border-radius:0 10px 10px 0;padding:14px 18px;margin:0 0 18px}
.callout b{color:var(--amber)}

/* article header */
.ahead{padding:22px 0 0}
.ahead h1{font-size:clamp(1.9rem,3.6vw,2.5rem);line-height:1.15;letter-spacing:-.025em;margin:14px 0 0;max-width:22ch}
.ahead .dek{color:var(--fg-light);margin:14px 0 0;font-size:1.05rem;max-width:60ch}
.ahead .byline{display:flex;gap:14px;align-items:center;margin-top:18px;font-family:var(--mono);
  font-size:.74rem;color:var(--fg-muted)}

/* flow diagram (dependency-free) */
.flow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--bg-alt);
  border:1px solid var(--border);border-radius:10px;padding:18px;margin:0 0 18px}
.flow .node{font-family:var(--mono);font-size:.74rem;color:var(--fg);background:var(--surface);
  border:1px solid var(--border-strong);border-radius:8px;padding:8px 12px;white-space:nowrap}
.flow .node.acc{border-color:var(--brand-border);color:var(--brand);background:var(--brand-dim)}
.flow .arw{color:var(--fg-muted);font-family:var(--mono)}

.pager{display:flex;justify-content:space-between;gap:16px;margin:48px 0 0}
.pager a{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 18px;color:var(--fg-light)}
.pager a:hover{border-color:var(--brand-border);text-decoration:none;color:var(--fg)}
.pager .dir{font-size:.68rem;font-family:var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--fg-muted)}
.pager .ttl{color:var(--brand);font-weight:500;font-size:.9rem;margin-top:2px}
.pager .next{text-align:right}

footer{border-top:1px solid var(--border);padding:40px 24px;color:var(--fg-muted);font-size:.85rem;margin-top:64px}
.foot-in{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.foot-in a{color:var(--fg-light)}

@media (max-width:760px){
  .hero{grid-template-columns:1fr;gap:32px;padding:52px 0 40px}
  .nav-links > a{display:none}
  .nav-links{gap:14px}
  .meta th{width:auto}
  .pager{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation:none!important;transition:none!important}
  .cursor{opacity:1}
}