@font-face{
  font-family:"GFS Didot";
  src:url("assets/fonts/GFSDidot-Regular.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Libre Baskerville";
  src:url("assets/fonts/LibreBaskerville.woff2") format("woff2");
  font-weight:400;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Libre Baskerville";
  src:url("assets/fonts/LibreBaskerville-Italic.woff2") format("woff2");
  font-weight:400;font-style:italic;font-display:swap;
}

/* Tokens oficiais (kit-trg + trg-theme-switch) */
:root{
  --papel:#F7F3EF;
  --seda:#EFE8E2;
  --borda:#D3C7C0;
  --ink:#201A14;
  --muted:#4A453F;
  --accent:#2C346E;
  --card:#FFFCFA;
  --escuro:#17151B;
  --couro:#0C0C10;
  --oleo-1:#2C346E;
  --oleo-2:#342E60;
  --oleo-3:#264479;
  --reflexo-1:#EFC4B6;
  --reflexo-2:#E9D8A8;
  --reflexo-3:#D9C8DF;
  --reflexo-4:#B8D6DF;
  --oil:linear-gradient(115deg,#2C346E 0%,#3F2F5A 18%,#7E447C 36%,#B17869 54%,#C7A35E 72%,#2D8098 100%);
  --holo-soft:linear-gradient(120deg,rgba(239,196,182,.35),rgba(233,216,168,.28),rgba(217,200,223,.32),rgba(184,214,223,.3));
  --shadow:0 22px 44px -28px rgba(32,26,20,.38);
  --radius:1.35rem;
  --max:1120px;
  --ease:cubic-bezier(.22,1,.36,1);
  --focus:#2C346E;
  --hero-fg:#F4EFE9;
  --hero-muted:rgba(244,239,233,.82);
  --hero-bg:#0D1520;
  --hero-scrim:linear-gradient(to top, rgba(8,12,20,.82) 0%, rgba(8,12,20,.35) 42%, transparent 70%);
  --duration:420ms;
}
html[data-mode="glass"]{
  --hero-fg:#201A14;
  --hero-muted:#3F3A35;
  --hero-bg:#E8EAEE;
  --hero-scrim:linear-gradient(to top, rgba(232,234,238,.88) 0%, rgba(232,234,238,.4) 48%, transparent 72%);
  --focus:#2C346E;
}
html[data-mode="vitral"]{
  --hero-fg:#F7F3EF;
  --hero-muted:rgba(247,243,239,.9);
  --hero-bg:#140C18;
  --hero-scrim:linear-gradient(to top, rgba(12,8,16,.92) 0%, rgba(12,8,16,.72) 30%, rgba(12,8,16,.28) 52%, transparent 70%);
}
@media (prefers-reduced-motion: reduce){
  :root{ --duration:1ms; }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5.75rem}
body{
  margin:0;color:var(--ink);background:var(--papel);
  font-family:"Libre Baskerville",Georgia,"Times New Roman",serif;
  font-size:1.125rem;line-height:1.55;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(80% 50% at 12% 0%, rgba(239,196,182,.22), transparent 58%),
    radial-gradient(60% 40% at 92% 8%, rgba(184,214,223,.16), transparent 55%),
    var(--papel);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:3px;
}
.skip{
  position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip:focus{
  left:1rem;top:1rem;width:auto;height:auto;padding:.6rem 1rem;
  background:#fff;z-index:99;border-radius:999px;
}

.wrap{width:min(100% - 2rem, var(--max));margin-inline:auto}

/* nav — cápsula de vidro fosco (trg-theme-switch) */
.nav{
  position:sticky;top:.75rem;z-index:30;
  display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;
  margin:.75rem auto 0;width:min(100% - 1.25rem, var(--max));
  padding:.5rem .85rem .5rem 1rem;border-radius:999px;
  background:rgba(255,252,250,.82);
  backdrop-filter:blur(16px) saturate(1.2);
  -webkit-backdrop-filter:blur(16px) saturate(1.2);
  border:1px solid rgba(255,255,255,.72);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.9);
}
.brand{
  display:flex;align-items:center;gap:.65rem;text-decoration:none;z-index:1;flex:0 0 auto;
}
.brand img{width:52px;height:auto}
.brand-name{
  font-family:"GFS Didot",Georgia,serif;font-size:1.15rem;letter-spacing:.03em;
}
.brand-name small{
  display:block;font-family:"Libre Baskerville",serif;font-style:italic;
  font-size:.68rem;color:var(--muted);letter-spacing:.04em;font-weight:400;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:2.6rem;height:2.6rem;border:0;border-radius:999px;
  background:transparent;color:var(--ink);cursor:pointer;flex:0 0 auto;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after{
  display:block;width:1.15rem;height:1.5px;background:var(--ink);border-radius:2px;
  position:relative;transition:transform .28s var(--ease), opacity .2s;
}
.nav-toggle-bar::before,
.nav-toggle-bar::after{content:"";position:absolute;left:0}
.nav-toggle-bar::before{top:-.35rem}
.nav-toggle-bar::after{top:.35rem}
.nav.is-open .nav-toggle-bar{background:transparent}
.nav.is-open .nav-toggle-bar::before{top:0;transform:rotate(45deg)}
.nav.is-open .nav-toggle-bar::after{top:0;transform:rotate(-45deg)}
.nav-links{display:flex;align-items:center;gap:1.05rem;margin-left:auto}
.nav-links a{
  text-decoration:none;font-size:.88rem;color:var(--muted);
  position:relative;padding:.2rem 0;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink)}
.nav-links a:not(.btn)::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--oil);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease);
}
.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn):focus-visible::after{transform:scaleX(1)}

/* hero + materiais WebGL */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:flex-end;
  margin-top:-4.6rem;padding:0;
  color:var(--hero-fg);
  background:var(--hero-bg);
  overflow:hidden;
  isolation:isolate;
}
.hero-stage,
.hero-stage canvas{
  position:absolute;inset:0;width:100%;height:100%;display:block;
}
.hero-stage canvas{z-index:0}
.hero-fallback{
  position:absolute;inset:0;z-index:1;display:flex;
  align-items:center;justify-content:center;
  padding:6rem 1.5rem 38vh;
  background:
    radial-gradient(55% 50% at 50% 38%, rgba(239,196,182,.28), transparent 62%),
    radial-gradient(40% 40% at 70% 30%, rgba(184,214,223,.22), transparent 60%),
    var(--hero-bg);
}
.hero-fallback{transition:opacity .35s ease}
.hero-stage.is-fallback .hero-fallback{display:flex}
.hero-stage.is-live .hero-fallback{opacity:0;pointer-events:none}
@media (prefers-reduced-motion:reduce){
  .hero-fallback{transition:none}
  .hero-stage.is-live .hero-fallback{display:none}
}
.hero-fallback img{
  width:min(86vw, 540px);height:auto;
  filter:drop-shadow(0 18px 28px rgba(0,0,0,.28));
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:var(--hero-scrim);
}
.hero-copy{
  position:relative;z-index:2;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:.7rem;
  padding:0 0 2.4rem;
}
.hero h1{
  font-family:"GFS Didot",Georgia,serif;font-weight:400;
  font-size:clamp(2.15rem, 6.4vw, 3.6rem);line-height:1.08;margin:0;
  letter-spacing:.02em;color:var(--hero-fg);
}
.subtitle{
  margin:0;font-style:italic;font-size:1.15rem;color:var(--hero-muted);
}
.hero .lead{
  margin:0;max-width:40ch;color:var(--hero-muted);font-size:1.125rem;text-wrap:pretty;
}
.actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-top:.35rem}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.9rem 1.4rem;border-radius:999px;text-decoration:none;
  font-size:.98rem;border:1px solid transparent;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
  isolation:isolate;
}
.btn-primary{
  color:#fff;
  background:#1A1730;
  border:2px solid transparent;
  background-image:linear-gradient(#1A1730,#1A1730), var(--oil);
  background-origin:border-box;
  background-clip:padding-box, border-box;
  box-shadow:0 10px 24px -10px rgba(26,23,48,.7), inset 0 1px 0 rgba(255,255,255,.22);
  position:relative;overflow:hidden;
}
.btn-primary span{position:relative;z-index:1;color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(26,23,48,.75);color:#fff}
.hero .btn-ghost{
  background:rgba(255,252,250,.14);
  border-color:rgba(255,255,255,.42);
  color:var(--hero-fg);
}
html[data-mode="glass"] .hero .btn-ghost{
  background:rgba(255,252,250,.72);
  border-color:var(--borda);
  color:var(--ink);
}
.hero .btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
html[data-mode="glass"] .hero .btn-ghost:hover{background:#fff}
.btn-ghost{
  background:rgba(255,252,250,.75);border-color:var(--borda);color:var(--ink);
}
.btn-ghost:hover{background:#fff;transform:translateY(-1px)}

/* seletor Pérola / Vidro / Vitral — cápsula do Material Lab + vidro fosco */
.mode-switch{
  display:flex;gap:2px;align-items:center;
  margin-top:1.15rem;
  padding:5px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(12,12,16,.28);
  backdrop-filter:blur(14px) saturate(1.3);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2), 0 8px 24px rgba(0,0,0,.16);
  position:relative;
}
.mode-switch::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;pointer-events:none;
  background:conic-gradient(from 210deg, var(--reflexo-1), var(--reflexo-2), var(--reflexo-4), var(--reflexo-3), var(--reflexo-1));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.45;
}
html[data-mode="glass"] .mode-switch{
  background:rgba(255,255,255,.38);
  border-color:rgba(255,255,255,.7);
}
.mode-switch button{
  appearance:none;border:0;background:transparent;cursor:pointer;
  font:inherit;font-size:.78rem;letter-spacing:.08em;
  color:var(--hero-fg);opacity:.7;
  padding:.55rem 1.05rem;border-radius:999px;
}
html[data-mode="glass"] .mode-switch button{color:var(--ink)}
.mode-switch button[aria-checked="true"]{
  background:rgba(255,252,250,.92);
  color:#17151B;opacity:1;
  box-shadow:0 2px 8px rgba(0,0,0,.16);
}
html[data-mode="glass"] .mode-switch button[aria-checked="true"]{
  background:#17151B;color:#F4EFE9;
}
.mode-switch button:focus-visible{outline:2px solid var(--hero-fg);outline-offset:2px}
html[data-mode="vitral"] .hero-copy{text-shadow:0 1px 14px rgba(12,8,16,.55)}

/* sections */
section{padding:3.75rem 0}
.section-head{margin-bottom:1.75rem}
.section-head h2{
  font-family:"GFS Didot",Georgia,serif;font-weight:400;
  font-size:clamp(1.85rem,4vw,2.5rem);margin:0 0 .5rem;letter-spacing:.01em;
}
.section-head p{margin:0;color:var(--muted);max-width:46ch}

.grid-fazemos{
  list-style:none;margin:0;padding:0;
  display:grid;gap:1rem;
  grid-template-columns:1fr;
}
.tile{
  background:color-mix(in srgb, #fff 55%, var(--seda));
  backdrop-filter:blur(18px) saturate(1.15);
  -webkit-backdrop-filter:blur(18px) saturate(1.15);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--radius);
  padding:1.35rem 1.3rem 1.45rem;
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
}
.tile::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--oil);
}
.tile::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:linear-gradient(135deg, rgba(255,255,255,.55), transparent 42%);
}
.tile:hover{transform:translateY(-3px);box-shadow:0 24px 40px -26px rgba(32,26,20,.42)}
.tile h3{
  font-family:"GFS Didot",Georgia,serif;font-weight:400;font-size:1.35rem;margin:0 0 .4rem;
}
.tile p{margin:0;color:var(--muted);font-size:1rem}

/* linha de presença (trg-line-motion) */
.presence{
  padding:1.8rem 0 2rem;
  background:
    radial-gradient(120% 90% at 50% 0%, #1c2030, var(--escuro) 55%, var(--couro));
  color:#DFD6D0;
}
.presence-in{display:flex;flex-direction:column;align-items:center;gap:.85rem}
.presence .stage{
  position:relative;width:100%;max-width:920px;aspect-ratio:16/10;
}
.presence svg{width:100%;height:100%;overflow:visible}
.presence .label{
  font-size:13px;letter-spacing:.08em;fill:#DFD6D0;opacity:.9;
  font-family:"Libre Baskerville",Georgia,serif;
}
.presence .edge{fill:none;stroke:rgba(223,214,208,.28);stroke-width:1.1}
.presence .edge.active{
  stroke:url(#holo);stroke-width:1.6;
  filter:drop-shadow(0 0 4px color-mix(in srgb, var(--reflexo-4) 55%, transparent));
}
.presence .edge.draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.4s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.presence .node{fill:var(--escuro);stroke:#DFD6D0;stroke-width:1.2}
.presence .node.pulse{animation:pulse 2.2s ease-in-out infinite}
@keyframes pulse{
  0%,100%{stroke-opacity:.55}
  50%{stroke-opacity:1;filter:drop-shadow(0 0 6px var(--reflexo-4))}
}
.presence .dot{fill:var(--reflexo-4);opacity:0}
.presence .dot.run{opacity:1;animation:travel 2.4s linear infinite}
@keyframes travel{to{offset-distance:100%}}
.presence-caption{
  margin:0;text-align:center;font-size:.95rem;letter-spacing:.04em;
  color:rgba(223,214,208,.7);max-width:42ch;
}
.presence-controls{display:flex;gap:10px;justify-content:center}
.presence-controls button{
  appearance:none;border:1px solid rgba(223,214,208,.28);
  background:transparent;color:#DFD6D0;border-radius:999px;
  padding:.55rem 1rem;letter-spacing:.12em;font:inherit;font-size:.75rem;cursor:pointer;
}
.presence-controls button:focus-visible{outline:1px solid #DFD6D0;outline-offset:2px}
.presence-controls button[aria-pressed="true"]{background:rgba(223,214,208,.12)}

/* method */
.timeline{
  list-style:none;margin:0;padding:0;
  display:grid;gap:.9rem;
  grid-template-columns:1fr;
}
.timeline li{
  display:grid;grid-template-columns:auto 1fr;gap:.85rem 1rem;align-items:start;
  padding:1.15rem 1.2rem;border-radius:var(--radius);
  background:rgba(255,252,250,.86);border:1px solid var(--borda);
  transition:transform .3s var(--ease), border-color .3s;
}
.timeline li:hover{transform:translateY(-2px)}
.timeline .num{
  font-family:"GFS Didot",Georgia,serif;font-size:1.7rem;line-height:1;
  color:#2C346E;
}
.timeline h3{margin:0 0 .3rem;font-family:"GFS Didot",Georgia,serif;font-weight:400;font-size:1.18rem}
.timeline p{margin:0;color:var(--muted);font-size:.98rem}

/* degraus */
.grid-degraus{display:grid;gap:1rem;grid-template-columns:1fr}
.card{
  background:color-mix(in srgb, #fff 55%, var(--seda));
  backdrop-filter:blur(18px) saturate(1.15);
  -webkit-backdrop-filter:blur(18px) saturate(1.15);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--radius);
  padding:1.4rem 1.3rem 1.35rem;
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:.7rem;
  transition:transform .3s var(--ease);
}
.card::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:linear-gradient(135deg, rgba(255,255,255,.55), transparent 40%);
}
.card > *{position:relative;z-index:1}
.card:hover{transform:translateY(-3px)}
.badge{
  display:inline-block;align-self:flex-start;
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);border:1px solid var(--borda);border-radius:999px;padding:.28rem .7rem;
  background:rgba(255,255,255,.75);
}
.card h3{
  font-family:"GFS Didot",Georgia,serif;font-weight:400;font-size:1.4rem;margin:0;
}
.card p{margin:0;color:var(--muted);font-size:1rem}
.card p strong{color:var(--ink);font-weight:400;font-style:italic}
.card.featured{
  border-color:transparent;
  background:
    linear-gradient(var(--card), var(--card)) padding-box,
    var(--oil) border-box;
  border:1.5px solid transparent;
}
.card-cta{align-self:flex-start;margin-top:.35rem;padding:.7rem 1.15rem;font-size:.92rem}
.note{
  margin-top:1.15rem;font-size:.95rem;color:var(--muted);
  padding:1.05rem 1.15rem;border-radius:1rem;background:rgba(255,255,255,.55);
  border:1px dashed var(--borda);
}

/* portfolio */
.case{
  display:grid;gap:1.25rem;
  padding:0;border:0;background:transparent;
}
.case-visuals{
  display:grid;gap:.8rem;
}
.case-visuals figure{margin:0}
.case-visuals img{
  width:100%;border-radius:var(--radius);
  box-shadow:var(--shadow);
  background:var(--seda);
}
.case-copy .eyebrow{
  font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 .35rem;
}
.case-copy h3{
  font-family:"GFS Didot",Georgia,serif;font-weight:400;font-size:1.7rem;margin:0 0 .45rem;
}
.case-copy p{margin:0;color:var(--muted);max-width:46ch}

/* contact */
.contact-card{
  text-align:center;padding:2.5rem 1.5rem;
  border-radius:calc(var(--radius) + .4rem);
  background:linear-gradient(160deg, rgba(255,255,255,.88), rgba(239,232,226,.7));
  border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--shadow);
}
.contact-card .section-head{margin-bottom:.4rem}
.contact-card .lead{margin:0 auto;color:var(--muted)}
.contact-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-top:1.35rem}
.hidden{display:none!important}

/* footer */
.foot{
  margin-top:1rem;padding:2.1rem 0 2.5rem;border-top:1px solid var(--borda);
  color:var(--muted);font-size:.92rem;
}
.foot-in{
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:flex-end;
}
.foot strong{color:var(--ink);font-weight:400;font-family:"GFS Didot",Georgia,serif;font-size:1.15rem}
.foot a{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent}
.foot a:hover,.foot a:focus-visible{border-bottom-color:var(--accent)}

@media (min-width:700px){
  .grid-fazemos{grid-template-columns:1fr 1fr}
  .grid-degraus{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .brand img{width:60px}
  .hero-copy{padding-bottom:2.8rem}
}
@media (min-width:980px){
  .grid-fazemos{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(4,1fr)}
  .timeline li:last-child{grid-column:auto}
  .case{grid-template-columns:1.4fr .8fr;align-items:center;gap:2rem}
}
@media (max-width:699px){
  .nav{border-radius:1.4rem}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;flex-basis:100%;flex-direction:column;align-items:stretch;
    gap:.15rem;padding:.35rem 0 .5rem;margin-left:0;
  }
  .nav.is-open .nav-links{display:flex}
  .nav-links a{padding:.55rem .35rem}
  .nav-cta{margin-top:.35rem;justify-content:center}
  .brand-name small{display:none}
  .hero{min-height:100svh}
  .hero-copy{padding-bottom:1.4rem;gap:.5rem}
  .hero h1{font-size:clamp(1.9rem, 9vw, 2.4rem)}
  .hero .lead{font-size:1.02rem}
  .mode-switch button{padding:.5rem .8rem;font-size:.72rem}
  .presence .stage{aspect-ratio:16/12}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .presence .edge.draw{animation:none;stroke-dashoffset:0}
  .presence .dot.run{animation:none;opacity:0}
  .presence .node.pulse{animation:none;stroke-opacity:1}
}