/* =========================================================
   TOKENS
   ========================================================= */
:root{
  --bg: #0a0b0d;
  --surface: #131519;
  --surface-2: #1a1d22;
  --surface-hover: #1f2329;
  --border: #242830;
  --border-soft: #1a1d22;
  --text: #eef0f2;
  --text-dim: #9aa3af;
  --text-faint: #5b6470;

  --accent: #6e8efb;
  --accent-soft: rgba(110,142,251,.12);
  --accent-line: rgba(110,142,251,.35);
  --live: #4ade80;
  --warn: #f5a623;

  --font-display: 'Space Grotesk', ui-sans-serif, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --maxw: 1120px;
  --radius: 14px;
  --radius-sm: 9px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  overflow-x:hidden;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(110,142,251,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
::selection{ background:var(--accent); color:#0a0b0d; }
a{ color:inherit; text-decoration:none; }
.dim{ color:var(--text-faint); }
ul{ margin:0; padding:0; list-style:none; }

/* ---- language visibility ---- */
[data-lang="pt"] .en{ display:none; }
[data-lang="en"] .pt{ display:none; }

/* =========================================================
   TOPBAR
   ========================================================= */
.topbar{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  gap:24px;
  padding:16px 40px;
  background:rgba(10,11,13,.78);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border-soft);
}
.logo{ display:flex; align-items:center; gap:10px; }
.logo-mark{
  width:32px; height:32px; border-radius:8px;
  background:linear-gradient(150deg, var(--accent), #a78bfa);
  color:#0a0b0d;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:13px;
}
.logo-text{ font-family:var(--font-display); font-weight:600; font-size:15px; letter-spacing:-.01em; }

.main-nav{ display:flex; gap:28px; }
.main-nav a{
  font-size:14px; color:var(--text-dim);
  transition:color .15s ease;
}
.main-nav a:hover{ color:var(--text); }

.topbar-actions{ display:flex; align-items:center; gap:14px; }

.lang-toggle{
  display:flex; border:1px solid var(--border); border-radius:20px; padding:3px;
  background:var(--surface);
}
.lang-btn{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.03em;
  background:none; border:none; color:var(--text-faint);
  padding:5px 12px; border-radius:16px; cursor:pointer;
  transition:background .15s ease, color .15s ease;
}
.lang-btn.active{ background:var(--accent); color:#0a0b0d; font-weight:600; }

.nav-toggle{
  display:none;
  width:36px; height:36px;
  background:var(--surface); border:1px solid var(--border); border-radius:8px;
  flex-direction:column; align-items:center; justify-content:center; gap:4px;
  cursor:pointer;
}
.nav-toggle span{ width:16px; height:2px; background:var(--text); display:block; border-radius:2px; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  font-family:var(--font-body); font-weight:600; font-size:14px;
  padding:11px 20px; border-radius:9px;
  border:1px solid transparent;
  display:inline-flex; align-items:center; gap:6px;
  transition:all .15s ease;
  cursor:pointer;
}
.btn-primary{ background:var(--accent); color:#0a0b0d; }
.btn-primary:hover{ background:#89a4ff; box-shadow:0 8px 24px rgba(110,142,251,.28); transform:translateY(-1px); }
.btn-outline{ border-color:var(--border); color:var(--text); }
.btn-outline:hover{ border-color:var(--accent); color:var(--accent); }
.btn-sm{ padding:8px 16px; font-size:13px; }

/* =========================================================
   LAYOUT / SECTIONS
   ========================================================= */
main{ max-width:var(--maxw); margin:0 auto; padding:0 40px; }

.reveal{
  opacity:0; transform:translateY(16px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in-view{ opacity:1; transform:translateY(0); }

.section{ padding:96px 0 8px; }
.section-label{
  font-family:var(--font-mono); font-size:12px; color:var(--accent);
  letter-spacing:.06em; margin-bottom:14px;
}
.section-title{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(24px,3vw,34px);
  margin:0 0 44px;
  letter-spacing:-.01em;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{ padding:64px 0 80px; }
.hero-grid{
  display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center;
}
.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; color:var(--accent);
  letter-spacing:.03em; margin:0 0 20px;
}
.hero h1{
  font-family:var(--font-display); font-weight:600;
  font-size:clamp(34px,4.6vw,54px);
  line-height:1.08; letter-spacing:-.02em;
  margin:0 0 22px;
}
.hero-desc{ color:var(--text-dim); font-size:16px; max-width:520px; margin:0 0 32px; }
.hero-actions{ display:flex; gap:14px; margin-bottom:26px; flex-wrap:wrap; }
.hero-location{ font-size:13px; color:var(--text-faint); font-family:var(--font-mono); }

.hero-panel{ position:relative; }
.panel-glow{
  position:absolute; inset:-40px;
  background:radial-gradient(closest-side, rgba(110,142,251,.18), transparent 70%);
  z-index:0;
  filter:blur(6px);
}
.stat-card{
  position:relative; z-index:1;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.stat-card-head{
  display:flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:11.5px; color:var(--text-dim);
  text-transform:uppercase; letter-spacing:.05em;
  margin-bottom:24px;
}
.dot{ width:7px; height:7px; border-radius:50%; display:inline-block; }
.dot-live{ background:var(--live); box-shadow:0 0 8px var(--live); animation:pulse 2.2s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{opacity:1;} 50%{opacity:.4;} }

.stat-row{ display:flex; flex-direction:column; gap:20px; margin-bottom:24px; }
.stat{ display:flex; flex-direction:column; }
.stat-num{
  font-family:var(--font-display); font-weight:700; font-size:36px; color:var(--text);
  display:inline-block;
}
.stat-plus{ font-family:var(--font-display); font-weight:700; font-size:24px; color:var(--accent); margin-left:2px; }
.stat-label{ font-size:12.5px; color:var(--text-dim); margin-top:2px; }

.stat-foot{ display:flex; flex-wrap:wrap; gap:8px; padding-top:20px; border-top:1px solid var(--border-soft); }
.tag-mini{
  font-family:var(--font-mono); font-size:10.5px; color:var(--text-dim);
  border:1px solid var(--border); padding:4px 9px; border-radius:14px;
}

/* =========================================================
   SOBRE
   ========================================================= */
.about-grid{ display:grid; grid-template-columns:200px 1fr; gap:48px; align-items:start; }
.about-photo img{
  width:100%; aspect-ratio:1/1; object-fit:cover;
  border-radius:var(--radius);
  border:1px solid var(--border);
}
.about-text h2{
  font-family:var(--font-display); font-weight:600; font-size:24px; margin:0 0 18px; letter-spacing:-.01em;
}
.about-text p{ color:var(--text-dim); font-size:15.5px; margin:0 0 16px; }
.about-text p.pt, .about-text p.en{ color: var(--text-dim); }
.fact-grid{
  margin-top:26px; padding-top:22px; border-top:1px solid var(--border-soft);
  display:grid; grid-template-columns:1fr 1fr; gap:14px 24px;
}
.fact{ display:flex; justify-content:space-between; font-size:13.5px; gap:10px; }
.fk{ color:var(--text-faint); }
.fv{ color:var(--text); font-weight:500; text-align:right; }

/* =========================================================
   EXPERIENCIA
   ========================================================= */
.exp-list{ display:flex; flex-direction:column; gap:16px; }
.exp-card{
  display:grid; grid-template-columns:150px 1fr; gap:24px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 28px;
  transition:border-color .18s ease, transform .18s ease;
}
.exp-card:hover{ border-color:var(--accent-line); transform:translateY(-2px); }
.exp-date{ font-family:var(--font-mono); font-size:12px; color:var(--text-faint); padding-top:3px; }
.exp-body h3{ margin:0 0 4px; font-family:var(--font-display); font-size:18px; font-weight:600; }
.exp-org{ color:var(--accent); font-size:13px; margin:0 0 14px; font-weight:500; }
.exp-body ul{ display:flex; flex-direction:column; gap:8px; }
.exp-body li{
  color:var(--text-dim); font-size:14.5px; position:relative; padding-left:16px;
}
.exp-body li::before{
  content:''; position:absolute; left:0; top:9px;
  width:5px; height:5px; border-radius:50%; background:var(--text-faint);
}

/* =========================================================
   PROJETOS
   ========================================================= */
.project-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.project-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
  display:flex; flex-direction:column;
  transition:border-color .2s ease, transform .2s ease, background .2s ease;
}
.project-card:hover{ border-color:var(--accent-line); background:var(--surface-2); transform:translateY(-3px); }
.project-head{ display:flex; align-items:flex-start; gap:12px; margin-bottom:16px; flex-wrap:wrap; }
.project-badge{
  width:36px; height:36px; border-radius:9px; flex-shrink:0;
  background:var(--accent-soft); color:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:15px;
}
.project-head-text{ flex:1; min-width:120px; }
.project-head-text h3{ margin:0 0 2px; font-family:var(--font-display); font-size:17px; font-weight:600; }
.project-head-text p{ margin:0; font-size:12.5px; color:var(--text-dim); }
.status-link{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-mono); font-size:11px; color:var(--live);
  border:1px solid rgba(74,222,128,.3); background:rgba(74,222,128,.06);
  padding:5px 10px; border-radius:14px; white-space:nowrap;
  transition:background .15s ease;
}
.status-link:hover{ background:rgba(74,222,128,.14); }
.project-desc{ color:var(--text-dim); font-size:14.5px; margin:0 0 16px; }
.project-features{ display:flex; flex-direction:column; gap:10px; margin-bottom:20px; }
.project-features li{
  color:var(--text-dim); font-size:13.5px; line-height:1.55;
  position:relative; padding-left:16px;
}
.project-features li::before{
  content:''; position:absolute; left:0; top:7px;
  width:5px; height:5px; border-radius:50%; background:var(--accent);
}
.project-features strong{ color:var(--text); font-weight:600; }

.tag-row{ display:flex; flex-wrap:wrap; gap:7px; margin-top:auto; }
.tag{
  font-family:var(--font-mono); font-size:10.5px; color:var(--text-dim);
  border:1px solid var(--border); padding:4px 10px; border-radius:14px;
}

/* =========================================================
   SKILLS
   ========================================================= */
.skills-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.skill-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:22px;
}
.skill-card h4{
  font-family:var(--font-display); font-size:14px; font-weight:600; margin:0 0 14px;
  color:var(--text);
}
.edu-list{ display:flex; flex-direction:column; gap:12px; }
.edu-list li{ font-size:13px; color:var(--text-dim); line-height:1.5; }
.edu-list strong{ color:var(--text); font-weight:600; }

/* =========================================================
   CONTATO
   ========================================================= */
.section-contact{ padding-bottom:60px; }
.contact-panel{
  background:linear-gradient(160deg, var(--surface), var(--surface-2));
  border:1px solid var(--border);
  border-radius:20px;
  padding:56px;
  text-align:center;
}
.contact-panel h2{
  font-family:var(--font-display); font-weight:600; font-size:clamp(22px,3vw,30px);
  margin:0 0 12px; letter-spacing:-.01em;
}
.contact-panel > p{ color:var(--text-dim); margin:0 0 36px; }
.contact-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; text-align:left; }
.contact-card{
  background:var(--bg); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:18px 20px; display:flex; flex-direction:column; gap:5px;
  transition:border-color .18s ease, transform .18s ease;
}
.contact-card:hover{ border-color:var(--accent); transform:translateY(-2px); }
.contact-label{ font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.05em; color:var(--text-faint); }
.contact-value{ font-size:13.5px; color:var(--text); font-weight:500; word-break:break-word; }

.site-footer{
  display:flex; justify-content:space-between;
  padding:32px 0 48px;
  font-size:13px; color:var(--text-dim);
  border-top:1px solid var(--border-soft);
  margin-top:40px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:980px){
  .main-nav{
    position:fixed; top:65px; left:0; right:0;
    flex-direction:column; gap:0;
    background:rgba(10,11,13,.98); backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border-soft);
    padding:10px 24px 18px;
    transform:translateY(-130%);
    transition:transform .25s ease;
    z-index:49;
  }
  .main-nav.open{ transform:translateY(0); }
  .main-nav a{ padding:12px 0; border-bottom:1px solid var(--border-soft); font-size:15px; }
  .nav-toggle{ display:flex; }
  .topbar{ padding:14px 20px; }
  .logo-text{ display:none; }
  main{ padding:0 22px; }
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .about-grid{ grid-template-columns:1fr; }
  .about-photo{ width:140px; }
  .exp-card{ grid-template-columns:1fr; gap:8px; }
  .project-grid{ grid-template-columns:1fr; }
  .skills-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr 1fr; }
  .contact-panel{ padding:34px 22px; }
}
@media (max-width:560px){
  .skills-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .hero-actions .btn{ flex:1; justify-content:center; }
  .topbar-actions .btn-sm{ display:none; }
}