:root{
  --bg:#0a0d12;
  --bg-elev:#10151d;
  --bg-elev-2:#141b26;
  --border:rgba(255,255,255,.08);
  --text:#e9edf3;
  --text-soft:#9aa7b8;
  --text-faint:#5c6b80;
  --accent:#caa15a;
  --accent-soft:rgba(202,161,90,.14);
  --accent-text:#e8cf9d;
  --maxw:980px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,.serif{
  font-family:'Fraunces',Georgia,serif;
  font-weight:600;
  letter-spacing:-.01em;
  margin:0;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

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

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(10,13,18,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.nav.scrolled{border-bottom-color:var(--border)}
.nav .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.nav .brand{font-family:'Fraunces',serif;font-size:1.05rem;letter-spacing:.02em}
.nav .brand .dot{color:var(--accent)}
.nav ul{list-style:none;display:flex;gap:28px;margin:0;padding:0}
.nav ul a{
  font-size:.86rem;color:var(--text-soft);
  position:relative;padding:4px 0;
  transition:color .2s ease;
}
.nav ul a:hover{color:var(--text)}
.nav-toggle{display:none;background:none;border:0;color:var(--text);font-size:1.4rem;cursor:pointer}

@media (max-width:720px){
  .nav ul{
    position:fixed;top:64px;left:0;right:0;
    background:var(--bg-elev);border-bottom:1px solid var(--border);
    flex-direction:column;gap:0;padding:8px 24px 16px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .nav ul.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav ul a{display:block;padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;
  display:flex;align-items:center;
  padding:120px 0 80px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(640px 420px at 85% 12%, var(--accent-soft), transparent 60%),
    radial-gradient(500px 500px at -5% 90%, rgba(202,161,90,.06), transparent 60%);
  pointer-events:none;
}
.hero .wrap{display:grid;grid-template-columns:1fr auto;gap:56px;align-items:center;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-text);margin-bottom:22px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
.hero h1{font-size:clamp(2.4rem,5.5vw,4.2rem);line-height:1.04;margin-bottom:18px}
.hero h1 .accent{color:var(--accent);font-style:italic}
.hero .role{font-size:1.2rem;color:var(--text-soft);margin-bottom:20px;font-weight:500}
.hero .tagline{font-size:1.05rem;color:var(--text-soft);max-width:46ch;margin-bottom:36px}
.hero .meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.86rem;color:var(--text-faint);margin-bottom:36px}
.hero .meta span{display:flex;align-items:center;gap:7px}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:.9rem;font-weight:600;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--accent);color:#1a1405}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent-text)}
.btn-ghost{border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-text);transform:translateY(-2px)}

.portrait{
  width:230px;height:230px;border-radius:50%;
  padding:5px;background:linear-gradient(160deg,var(--accent),rgba(202,161,90,.1) 60%);
  flex-shrink:0;
}
.portrait img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:4px solid var(--bg)}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;text-align:center;justify-items:center}
  .hero .tagline{max-width:unset}
  .hero .meta,.hero .cta{justify-content:center}
  .portrait{order:-1;width:168px;height:168px}
}

/* ---------- sections ---------- */
section{padding:100px 0}
.section-head{margin-bottom:52px;max-width:640px}
.section-head .num{
  font-size:.78rem;color:var(--accent);letter-spacing:.14em;
  text-transform:uppercase;display:block;margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.6rem,3.4vw,2.3rem)}
.section-head p{color:var(--text-soft);margin-top:14px;font-size:1rem}

#sobre{border-top:1px solid var(--border)}
.about-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:48px}
.about-grid p{color:var(--text-soft);margin-bottom:18px}
.about-grid p strong{color:var(--text);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:10px;align-content:flex-start}
.chip{
  padding:8px 16px;border:1px solid var(--border);border-radius:999px;
  font-size:.82rem;color:var(--text-soft);background:var(--bg-elev);
}
@media (max-width:760px){.about-grid{grid-template-columns:1fr}}

/* ---------- experience timeline ---------- */
#experiencia{background:var(--bg-elev);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(var(--accent),var(--border) 85%);
}
.tl-item{position:relative;padding-left:40px;margin-bottom:46px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:0;top:6px;width:15px;height:15px;
  border-radius:50%;background:var(--bg-elev);border:2px solid var(--accent);
}
.tl-item .period{font-size:.78rem;color:var(--accent-text);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;display:block}
.tl-item h3{font-size:1.15rem;margin-bottom:2px}
.tl-item .org{color:var(--text-soft);font-size:.92rem;margin-bottom:12px;display:block}
.tl-item p{color:var(--text-soft);font-size:.94rem;max-width:62ch}
.tl-note{
  margin-top:36px;padding-left:40px;font-size:.86rem;color:var(--text-faint);
  font-style:italic;
}

/* ---------- education ---------- */
.edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.edu-card{
  background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;
  padding:28px;
}
.edu-card .tag{font-size:.74rem;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px;display:block}
.edu-card h3{font-size:1.05rem;margin-bottom:6px}
.edu-card .org{color:var(--text-soft);font-size:.88rem;margin-bottom:14px;display:block}
.edu-card ul{margin:0;padding-left:18px;color:var(--text-soft);font-size:.88rem}
.edu-card li{margin-bottom:4px}
@media (max-width:760px){.edu-grid{grid-template-columns:1fr}}

/* ---------- skills ---------- */
#skills{border-top:1px solid var(--border)}
.skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 48px}
.skill-group .g-title{
  font-size:.82rem;color:var(--accent-text);text-transform:uppercase;letter-spacing:.08em;
  margin-bottom:14px;display:block;
}
.skill-group .chips .chip{background:transparent}
@media (max-width:760px){.skills-grid{grid-template-columns:1fr}}

/* ---------- featured project ---------- */
#projeto{
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:
    radial-gradient(800px 400px at 15% 0%, var(--accent-soft), transparent 55%),
    var(--bg-elev);
}
.project-card{
  border:1px solid var(--border);border-radius:20px;
  background:var(--bg-elev-2);
  padding:44px;
  position:relative;overflow:hidden;
}
.project-card::before{
  content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent);
}
.project-card .kicker{font-size:.78rem;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px;display:block}
.project-card h3{font-size:1.7rem;margin-bottom:16px}
.project-card p{color:var(--text-soft);max-width:68ch;margin-bottom:22px}
.project-card .tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.project-card .tags span{
  font-size:.78rem;padding:6px 13px;border-radius:999px;
  border:1px solid var(--border);color:var(--text-soft);
}
.project-feats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 28px;margin-bottom:28px}
.project-feats div{font-size:.88rem;color:var(--text-soft);display:flex;gap:9px}
.project-feats div::before{content:"→";color:var(--accent);flex-shrink:0}
@media (max-width:760px){.project-card{padding:30px 24px}.project-feats{grid-template-columns:1fr}}

/* ---------- contact ---------- */
#contato{text-align:center}
#contato .section-head{margin-left:auto;margin-right:auto;text-align:center}
.contact-links{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:40px}
.contact-card{
  display:flex;align-items:center;gap:12px;
  padding:16px 24px;border:1px solid var(--border);border-radius:14px;
  background:var(--bg-elev);min-width:220px;
  transition:border-color .2s ease,transform .2s ease;
}
.contact-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.contact-card .ic{
  width:38px;height:38px;border-radius:10px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0;
}
.contact-card .lbl{font-size:.72rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em}
.contact-card .val{font-size:.92rem;color:var(--text);font-weight:500}

footer{
  border-top:1px solid var(--border);padding:32px 0;
  text-align:center;color:var(--text-faint);font-size:.82rem;
}

/* ---------- reveal ----------
   Visivel por padrao (sem depender de JS rodar a tempo -- uma pagina em
   branco ate o IntersectionObserver disparar e pior que nao ter animacao
   nenhuma). O JS so aplica .reveal-pre nos elementos que comecam fora da
   viewport, pra animar a entrada; sem JS, tudo aparece normalmente. */
.reveal{transition:opacity .7s ease,transform .7s ease}
.reveal.reveal-pre{opacity:0;transform:translateY(18px)}
.reveal.in{opacity:1;transform:none}