/* Felipe Rodrigues — portfólio
   Paleta derivada da logo: preto grafite + dourado (#FFE992) */
:root{
  --bg:#0b0b0c;
  --bg-2:#111113;
  --card:#17171a;
  --card-2:#1d1d21;
  --line:#2a2a2f;
  --gold:#ffe992;
  --gold-2:#f5cf55;
  --gold-dim:rgba(255,233,146,.12);
  --text:#ededee;
  --muted:#a2a2ab;
  --radius:10px;
  --max:1180px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.65 "Poppins",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ico{width:1em;height:1em;flex:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;padding:.8em 1.5em;border-radius:6px;font-weight:600;font-size:.92rem;border:1px solid transparent;background:transparent;font-family:inherit;line-height:1.3;transition:background .2s,color .2s,border-color .2s,transform .2s;cursor:pointer}
.btn-gold{background:var(--gold);color:#111}
.btn-gold:hover{background:var(--gold-2);transform:translateY(-2px)}
.btn-ghost{border-color:#3a3a40;color:var(--text)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-sm{padding:.55em 1.1em;font-size:.85rem}

/* ---------- Navbar ---------- */
.nav{position:fixed;inset:0 0 auto;height:var(--nav-h);z-index:50;transition:background .25s,border-color .25s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(11,11,12,.92);backdrop-filter:blur(10px);border-color:var(--line)}
.nav .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:.02em}
.brand img{width:40px;height:40px;border-radius:9px}
.brand b{color:var(--gold);font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:.45em .9em;border-radius:5px;font-size:.9rem;color:var(--muted);transition:color .2s,background .2s}
.nav-links a:hover,.nav-links a.active{color:#111;background:var(--gold)}
.nav-toggle{display:none;background:none;border:0;color:var(--text);width:44px;height:44px;padding:10px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:currentColor;margin:5px 0;transition:transform .25s,opacity .25s}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(2){opacity:0}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 40px) 0 60px;overflow:hidden;background:radial-gradient(900px 500px at 75% 40%,#1a1a1d 0%,var(--bg) 70%)}
.hero::before,.hero::after{content:"";position:absolute;background:var(--gold);z-index:0}
.hero::before{width:120px;height:260px;left:0;top:18%;opacity:.9}
.hero::after{width:200px;height:90px;right:0;bottom:0;opacity:.9}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.tag{display:inline-block;background:var(--gold);color:#111;font-size:.78rem;font-weight:600;padding:.35em .9em;border-radius:4px;margin-bottom:18px;letter-spacing:.03em}
.hero h1{font-size:clamp(2.4rem,5.6vw,4.2rem);margin-bottom:.25em}
.hero h1 span{color:var(--gold)}
.hero .role{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--muted);max-width:34ch;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.social{display:flex;gap:10px;flex-wrap:wrap}
.social a{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;color:var(--muted);font-size:1.05rem;transition:all .2s}
.social a:hover{color:#111;background:var(--gold);border-color:var(--gold)}
.hero-photo{position:relative;justify-self:center;width:min(430px,100%)}
.hero-photo .frame{position:relative;padding-top:4%}
/* círculo dourado atrás da foto recortada */
.hero-photo .frame::before{content:"";position:absolute;left:50%;bottom:13%;width:108%;aspect-ratio:1;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle at 50% 35%,#fff1b8 0%,var(--gold) 38%,#d9ac3c 78%,#a8801f 100%);box-shadow:0 0 0 14px rgba(255,233,146,.06),0 0 0 15px rgba(255,233,146,.25),0 0 120px 10px rgba(255,233,146,.22)}
/* anel fino deslocado, ecoando os traços da logo */
.hero-photo .frame::after{content:"";position:absolute;left:50%;bottom:8%;width:118%;aspect-ratio:1;transform:translateX(-46%);border-radius:50%;border:1px dashed rgba(255,233,146,.35);pointer-events:none}
.hero-photo .frame img{position:relative;z-index:1;width:100%;height:auto;filter:drop-shadow(0 6px 10px rgba(0,0,0,.35));-webkit-mask-image:linear-gradient(to bottom,#000 80%,transparent 100%);mask-image:linear-gradient(to bottom,#000 84%,transparent 100%)}
.scroll-cue{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);width:24px;height:38px;border:2px solid var(--gold);border-radius:14px;z-index:2}
.scroll-cue::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;background:var(--gold);border-radius:2px;animation:cue 1.6s infinite}
@keyframes cue{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(12px)}}

/* ---------- Seções ---------- */
.section{padding:96px 0}
.section.alt{background:var(--bg-2)}
.head{text-align:center;max-width:640px;margin:0 auto 52px}
.head .kicker{display:inline-block;color:var(--gold);font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin-bottom:10px}
.head h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
.head p{color:var(--muted);margin:0}
.head h2::after{content:"";display:block;width:56px;height:3px;background:var(--gold);margin:16px auto 0}

/* Números */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-56px;position:relative;z-index:3}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;text-align:center}
.stat.hl{background:var(--gold);color:#111;border-color:var(--gold)}
.stat strong{display:block;font-size:2rem;line-height:1.1}
.stat span{display:block;font-size:.85rem;line-height:1.45;color:var(--muted);margin-top:4px}
.stat.hl span{color:#2b2b2b}

/* Serviços */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s,border-color .25s,background .25s}
.service:hover{transform:translateY(-4px);border-color:var(--gold)}
.service .i{width:52px;height:52px;border-radius:10px;display:grid;place-items:center;background:var(--gold-dim);color:var(--gold);font-size:1.5rem;margin-bottom:18px}
.service h3{font-size:1.08rem}
.service p{color:var(--muted);font-size:.92rem;margin:0}

/* Sobre */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.about-media{position:relative}
.about-media .slide{aspect-ratio:1/1;border-radius:var(--radius);overflow:hidden;background:var(--card)}
.about-media .slide img{width:100%;height:100%;object-fit:cover;transition:opacity .6s}
.badge{position:absolute;left:-14px;bottom:-14px;background:var(--gold);color:#111;padding:16px 20px;border-radius:6px;line-height:1.15;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.badge strong{display:block;font-size:2rem}
.badge span{font-size:.82rem;font-weight:600}
.about h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.about h2 span{color:var(--gold)}
.about p{color:var(--muted);text-align:justify;hyphens:auto}
.about details{margin:0 0 18px}
.about summary{cursor:pointer;color:var(--gold);font-weight:600;font-size:.92rem;list-style:none;display:inline-flex;align-items:center;gap:6px}
.about summary::-webkit-details-marker{display:none}
.about summary::after{content:"+";font-size:1.1rem}
.about details[open] summary::after{content:"–"}
.about details p{margin-top:12px}
.edu{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:10px}
.edu li{border-left:3px solid var(--gold);background:var(--card);padding:10px 14px;border-radius:0 6px 6px 0;font-size:.9rem}
.edu b{display:block;color:var(--text);font-weight:600}
.edu small{color:var(--muted)}
.links{display:flex;flex-wrap:wrap;gap:10px}

/* Projetos */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,border-color .25s}
.project:hover{transform:translateY(-5px);border-color:var(--gold)}
.browser{background:var(--card-2);border-bottom:1px solid var(--line)}
.browser .bar{display:flex;align-items:center;gap:6px;padding:9px 12px}
.browser .bar i{width:9px;height:9px;border-radius:50%;background:#3a3a40}
.browser .bar i:first-child{background:var(--gold)}
.browser .bar em{margin-left:8px;font-style:normal;font-size:.72rem;color:var(--muted);background:#0f0f11;padding:2px 10px;border-radius:20px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shot{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#1f1f23,#141416)}
.shot img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .6s}
.project:hover .shot img{transform:scale(1.04)}
.shot .ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:var(--gold);font-weight:600;font-size:.95rem;padding:20px}
.shot img+.ph{display:none}
.shot.noimg .ph{display:grid}
.project .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.project .cat{color:var(--gold);font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.project h3{font-size:1.12rem;margin:6px 0 8px}
.project p{color:var(--muted);font-size:.9rem;flex:1}
.project .more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.88rem;color:var(--gold);margin-top:6px}
.project .more:hover{text-decoration:underline}
.project.cta{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:center;padding:30px;background:var(--gold);color:#111;border-color:var(--gold)}
.project.cta h3{font-size:1.4rem}
.project.cta p{color:#2b2b2b;flex:0;margin:0}
.project.cta .btn{background:#111;color:var(--gold)}
.project.cta .btn:hover{background:#000}

/* Missão / visão / valores */
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mvv article{background:var(--card);border:1px solid var(--line);border-top:3px solid var(--gold);border-radius:var(--radius);padding:28px}
.mvv h3{display:flex;align-items:center;gap:10px;font-size:1.1rem}
.mvv h3 .ico{color:var(--gold);font-size:1.3rem}
.mvv p{color:var(--muted);font-size:.92rem;margin:0}

/* Certificações */
.certs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert{position:relative;background:var(--card);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .2s,transform .2s}
.cert:hover{border-color:var(--gold);transform:translateY(-3px)}
.cert .im{aspect-ratio:4/3;background:#fff}
.cert img{width:100%;height:100%;object-fit:contain}
.cert span{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;font-size:.82rem;font-weight:500}
.cert span .ico{color:var(--gold)}
.certs.collapsed .cert:nth-child(n+13){display:none}
.certs-more{text-align:center;margin-top:30px}

/* Faixa CTA */
.band{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:46px;display:flex;align-items:center;justify-content:space-between;gap:24px;overflow:hidden}
.band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--gold)}
.band h2{font-size:clamp(1.4rem,2.6vw,2rem);margin:0}
.band h2 span{color:var(--gold)}
.band p{color:var(--muted);margin:6px 0 0}

/* Contato */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.c-list{display:grid;gap:14px;align-content:start}
.c-item{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.c-item .i{width:46px;height:46px;flex:none;display:grid;place-items:center;border-radius:8px;background:var(--gold-dim);color:var(--gold);font-size:1.25rem}
.c-item small{display:block;color:var(--muted);font-size:.8rem}
.c-item b{font-weight:500;word-break:break-word}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:300px;background:var(--card)}
.map iframe{width:100%;height:100%;min-height:300px;border:0;filter:grayscale(1) invert(.92) contrast(.9)}

/* Rodapé */
.footer{border-top:1px solid var(--line);padding:30px 0;font-size:.85rem;color:var(--muted)}
.footer .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:8px;background:var(--gold);color:#111;display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .25s;z-index:40}
.to-top.show{opacity:1;pointer-events:auto}

/* Revelar ao rolar */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* ---------- Responsivo ---------- */
@media (max-width:1024px){
  .services,.projects{grid-template-columns:repeat(2,1fr)}
  .project.cta{grid-column:auto;flex-direction:column;align-items:flex-start;justify-content:center}
  .project.cta p{margin-bottom:20px}
  .certs{grid-template-columns:repeat(3,1fr)}
  .about{gap:40px}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:12px 20px 20px;background:rgba(11,11,12,.98);border-bottom:1px solid var(--line);transform:translateY(-120%);visibility:hidden;transition:transform .3s,visibility .3s;z-index:-1}
  .nav-open .nav-links{transform:none;visibility:visible}
  .nav-links a{padding:.8em 1em;font-size:1rem}
  .nav .nav-cta{display:none}
  .nav-open .nav{background:rgba(11,11,12,.98)}
  .hero .container{grid-template-columns:1fr;text-align:center}
  .hero .role{margin-left:auto;margin-right:auto}
  .hero-cta,.social{justify-content:center}
  .hero-photo{order:-1;width:min(290px,74%)}
  .hero::before{width:60px;height:160px;top:14%}
  .hero::after{width:110px;height:56px}
  .scroll-cue{display:none}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:-30px}
  .about{grid-template-columns:1fr}
  .about-media{max-width:440px;margin:0 auto 10px;width:100%}
  .mvv,.contact{grid-template-columns:1fr}
  .band{flex-direction:column;align-items:flex-start;padding:32px 26px}
}
@media (max-width:560px){
  body{font-size:15px}
  .section{padding:72px 0}
  .head{margin-bottom:38px}
  .services,.projects{grid-template-columns:1fr}
  .project.cta{grid-column:auto}
  .certs{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat{padding:20px 12px}
  .stat strong{font-size:1.6rem}
  .badge{left:10px;bottom:10px;padding:12px 16px}
  .badge strong{font-size:1.6rem}
  .hero-cta .btn{flex:1 1 auto;justify-content:center}
  .footer .container{flex-direction:column;text-align:center}
}

/* ---------- Artigos ---------- */
.papers{display:grid;gap:22px}
.paper{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:border-color .25s}
.paper:hover{border-color:var(--gold)}
.paper-cover{position:relative;display:block;border-radius:6px;overflow:hidden;background:#fff;box-shadow:0 18px 40px rgba(0,0,0,.45),10px 10px 0 -2px var(--gold-dim);transition:transform .3s}
.paper-cover:hover{transform:translateY(-4px) rotate(-.6deg)}
.paper-cover img{width:100%;aspect-ratio:520/735;object-fit:cover;object-position:top}
.paper-cover .pages{position:absolute;left:10px;bottom:10px;display:inline-flex;align-items:center;gap:6px;background:#111;color:var(--gold);font-size:.74rem;font-weight:600;padding:5px 10px;border-radius:20px}
.paper-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.paper .cat{color:var(--gold);font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.paper .status{font-size:.72rem;font-weight:600;color:var(--text);border:1px solid #3a3a40;padding:2px 10px;border-radius:20px}
.paper h3{font-size:clamp(1.12rem,2vw,1.4rem);line-height:1.3;margin-bottom:14px}
.paper-body>p{color:var(--muted);font-size:.93rem;text-align:justify;hyphens:auto}
.paper-facts{list-style:none;margin:6px 0 18px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.paper-facts li{background:var(--card-2);border:1px solid var(--line);border-radius:8px;padding:12px 10px;text-align:center}
.paper-facts b{display:block;color:var(--gold);font-size:1.35rem;line-height:1.1}
.paper-facts span{display:block;color:var(--muted);font-size:.74rem;line-height:1.35;margin-top:3px}
.kw{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.kw li{font-size:.76rem;color:var(--muted);background:var(--gold-dim);padding:4px 11px;border-radius:20px}
@media (max-width:860px){
  .paper{grid-template-columns:1fr;gap:26px;padding:22px}
  .paper-cover{max-width:240px;margin:0 auto}
}
@media (max-width:560px){
  .paper-facts{grid-template-columns:repeat(2,1fr)}
  .paper-body>p{text-align:left}
}