/* ============================================================
   TAMA — SISTEMA DE IDENTIDADE VISUAL
   (guia visual completo em identidade-visual.html)

   CORES — hierarquia
   ── Marca (primárias)
      --ink     #17191C  Grafite · cor principal, texto e superfícies escuras
      --petrol  #0A5266  Petróleo · cor de marca (base da chama), títulos de destaque
      --cyan    #16C7E9  Ciano · acento (topo da chama), usar com PARCIMÔNIA
      --flame            Gradiente ciano→petróleo · o traço-assinatura da marca
   ── Neutros (fundo → texto)
      --bone    #F5F2EC  Fundo padrão (papel quente)
      --paper   #FBFAF7  Superfície / cartões claros
      --line    #E4DFD4  Linhas e bordas
      --ink-soft#565B62  Texto secundário
      --deep    #0E1315  Fundo das seções escuras
      --line-dark#2A3134 Linhas sobre fundo escuro
   ── Apoio & funcional
      --walnut  #8A6A4C  Nogueira · legendas técnicas, detalhe quente (marcenaria)
      #128C7E            Verde WhatsApp · EXCLUSIVO de botões de WhatsApp

   TIPOGRAFIA — hierarquia
      Display/Títulos → Inter (sans, peso 600; itálico p/ destaque)
      Corpo/Interface → Hanken Grotesk (peso 400–600)
      Rótulos/Dados   → JetBrains Mono (maiúsculas, espaçada) — evoca "sob medida"
   ============================================================ */
:root{
  --bone:#F5F2EC; --paper:#FBFAF7; --ink:#17191C; --ink-soft:#565B62;
  --deep:#0E1315; --petrol:#0A5266; --cyan:#16C7E9; --walnut:#8A6A4C;
  --line:#E4DFD4; --line-dark:#2A3134; --hdr-h:92px;
  --gap:clamp(12px,2.2vh,26px);   /* margem do hero/menu: mesma em cima e embaixo */
  --railW:150px;                  /* menu FECHADO: caixa compacta só com a logo */
  --railH:172px;                  /* altura da caixa fechada (logo + "menu") */
  --openH:min(462px, calc(100svh - var(--gap) * 2));  /* painel aberto: altura do conteúdo */
  --sideOpen:250px;               /* menu lateral ABERTO (no hover) */
  --heroW:min(1400px,95vw);       /* largura da imagem do hero (margens iguais dos 2 lados) */
  --inset:clamp(14px,1.2vw,24px); /* recuo do menu dentro da imagem */
  --flame:linear-gradient(178deg,var(--cyan) 0%,#0E93B0 46%,var(--petrol) 100%);
  --shadow:0 22px 60px -30px rgba(20,30,34,.4);
  --serif:'Inter',system-ui,sans-serif; --sans:'Hanken Grotesk',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bone);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,92%);margin-inline:auto}

.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--petrol);display:inline-flex;align-items:center;gap:.6rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--flame);display:inline-block}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.08;letter-spacing:-.022em}
.title em,h1 em,h2 em{font-style:italic;color:var(--petrol);font-weight:400}
.lead{color:var(--ink-soft);font-size:1.08rem;max-width:52ch}

.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--sans);font-weight:600;font-size:.95rem;padding:.85rem 1.5rem;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:transform .25s,background .25s,color .25s,border-color .25s}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--ink);color:var(--bone)} .btn-primary:hover{transform:translateY(-2px);background:#000}
.btn-wa{background:#128C7E;color:#fff} .btn-wa:hover{transform:translateY(-2px);background:#0d7266}
.btn-ghost{border-color:var(--ink);color:var(--ink)} .btn-ghost:hover{background:var(--ink);color:var(--bone)}

/* header */
/* #hdr vira "transparente" no layout p/ o header sticky funcionar na página toda (senão ele solta na hora) */
#hdr{display:contents}
/* menu flutuante: "pílula" centralizada, cantos arredondados, descola do topo ao rolar */
header.site{position:sticky;top:var(--gap);z-index:50;width:var(--heroW);margin:var(--gap) auto 0;border-radius:18px;
  background:rgba(14,19,21,.55);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid transparent;transition:background .35s,border-color .35s,box-shadow .35s,backdrop-filter .35s,border-radius .35s}
header.site.scrolled{border-color:var(--line-dark);box-shadow:0 18px 40px -20px rgba(0,0,0,.75)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--hdr-h)}
.nav .logo{display:inline-flex;align-items:center;transition:transform .3s}
.nav .logo:hover{transform:translateY(-1px)}
.nav .logo img{height:var(--hdr-logo,58px);width:auto}
/* header SEMPRE na paleta escura (logo/menu claros); no topo do hero fica transparente */
.nav .logo .logo-a{display:none} .nav .logo .logo-b{display:inline-block}
header.site .nav-cta .btn-primary{background:var(--bone);color:var(--ink)}
header.site .nav-cta .btn-primary:hover{background:#fff}
header.site:not(.scrolled){background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border-color:transparent;box-shadow:none}
.nav ul{display:flex;gap:2rem;list-style:none}
.nav ul a{font-size:var(--nav-size,.92rem);font-weight:500;color:rgba(245,242,236,.82);position:relative;padding:.2rem 0}
.nav ul a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1.5px;background:var(--flame);transition:width .3s}
.nav ul a:hover,.nav ul a.active{color:#fff} .nav ul a:hover::after,.nav ul a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:1.1rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:var(--bone);transition:.3s}
.rail-mark{display:none}  /* só aparece no menu lateral (barra fechada) */

/* generic slot / photo placeholder */
.slot{position:relative;border-radius:2px;overflow:hidden;background-size:cover;background-position:center;background-color:var(--deep);background-image:radial-gradient(120% 90% at 78% 12%,rgba(22,199,233,.16),transparent 55%),linear-gradient(160deg,#12181B,#0A5266);box-shadow:var(--shadow)}
.slot[data-label]::after{content:attr(data-label);position:absolute;left:16px;bottom:14px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(245,242,236,.62)}
/* fotos reais (<img>) preenchem o mesmo espaço dos placeholders */
img.slot{width:100%;object-fit:cover}
.amb img.slot,.proj-cover img.slot,.sobre-media img.slot{height:100%}

/* hero (home) — CARTÃO de imagem com margens e cantos arredondados (visual clean/editorial).
   Não ocupa a tela toda: a margem em volta é que dá o ar sofisticado. */
/* Todo o conteúdo usa a MESMA largura/margem do hero: a página lê como um bloco único */
.block,.nums,.cta-band,.manifesto-wrap,.pagehero,.pd-head,footer.site{width:var(--heroW);margin-inline:auto}
.dark,.cta-band,.nums,.pagehero,.pd-head,footer.site{border-radius:22px}
/* CTA + rodapé são do mesmo tom e ficam colados: fundem num cartão contínuo
   (senão os cantos arredondados criam um "entalhe" no meio, que parece defeito) */
.cta-band{border-bottom-left-radius:0;border-bottom-right-radius:0}
/* mesma ideia quando o CTA vem logo depois de um bloco escuro: viram um cartão
   contínuo dividido pela mesma linha fina do rodapé, em vez de um entalhe */
.dark:has(+ .cta-band){border-bottom-left-radius:0;border-bottom-right-radius:0;
  padding-bottom:clamp(2.2rem,4vw,3.2rem)}
.dark + .cta-band{border-top-left-radius:0;border-top-right-radius:0}
.dark + .cta-band::after{content:"";position:absolute;top:0;left:clamp(1.5rem,6%,4rem);right:clamp(1.5rem,6%,4rem);
  height:1px;z-index:1;background:linear-gradient(90deg,transparent,var(--line-dark) 18%,var(--line-dark) 82%,transparent)}
footer.site{border-top-left-radius:0;border-top-right-radius:0;padding-top:0;position:relative}
footer.site::before{content:"";position:absolute;top:0;left:clamp(1.5rem,6%,4rem);right:clamp(1.5rem,6%,4rem);
  height:1px;background:linear-gradient(90deg,transparent,var(--line-dark) 18%,var(--line-dark) 82%,transparent)}
.foot-grid{padding-top:clamp(2rem,4vw,3rem)}
.manifesto-wrap>.dark{border-radius:22px}
footer.site{margin-bottom:var(--gap)}
.hero{position:relative;width:var(--heroW);margin:calc(-1 * var(--hdr-h)) auto 0;
  height:calc(100svh - var(--gap) * 2);border-radius:22px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;
  background:#0E1315;background-image:radial-gradient(120% 90% at 82% 6%,rgba(22,199,233,.20),transparent 52%),linear-gradient(158deg,#12181B 10%,#0A5266 200%)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:0;transition:opacity 1.9s cubic-bezier(.4,0,.2,1);animation:heroKB 26s ease-in-out infinite alternate;will-change:opacity,transform}
.hero-bg.on{opacity:1}
@keyframes heroKB{from{transform:scale(1.005)}to{transform:scale(1.08)}}
@keyframes kenburns{from{transform:scale(1.09)}to{transform:scale(1)}}
.hero-dots{position:absolute;bottom:24px;left:max(26px,4vw);z-index:4;display:flex;gap:8px}
.hero-dots .hd{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(245,242,236,.4);cursor:pointer;transition:all .35s}
.hero-dots .hd:hover{background:rgba(245,242,236,.7)}
.hero-dots .hd.on{background:var(--cyan);width:24px;border-radius:5px}
/* título centralizado sobre a foto (estilo Midi): serifada grande, leve e espaçada */
.hero-center{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;
  padding:0 clamp(1.5rem,6vw,5rem);pointer-events:none;text-align:center}
.hero-title{font-weight:600;font-size:clamp(2.4rem,6.4vw,5.4rem);line-height:1.06;
  letter-spacing:-.022em;color:var(--bone);text-shadow:0 4px 60px rgba(0,0,0,.45);max-width:16ch}
.hero-title em{font-style:italic;color:var(--cyan)}
/* entrada letra a letra: cada .ch tem seu delay (definido no JS) */
.hero-title .wd{display:inline-block;white-space:nowrap}   /* palavra não quebra no meio */
.hero-title .ch{display:inline-block;opacity:0;transform:translateY(.72em);filter:blur(7px);
  animation:chIn .95s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes chIn{to{opacity:1;transform:none;filter:blur(0)}}
@media(prefers-reduced-motion:reduce){.hero-title .ch{opacity:1;transform:none;filter:none;animation:none}}
@media(max-width:640px){.hero-title{font-size:clamp(2rem,10vw,3rem)}}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(9,14,15,.9) 3%,rgba(9,14,15,.28) 44%,rgba(9,14,15,.5) 100%)}
.hero-inner{position:relative;z-index:2;color:var(--bone);padding-top:calc(var(--hdr-h) + 2rem);padding-bottom:clamp(2rem,5vh,3.6rem)}
.hero .eyebrow{color:var(--cyan)}
.hero .eyebrow::before{background:var(--cyan)}
.hero h1{font-size:clamp(2.7rem,6.4vw,5.4rem);margin:1.3rem 0 1.4rem;color:var(--bone);max-width:15ch;text-shadow:0 2px 40px rgba(0,0,0,.4)}
.hero h1 em{color:var(--cyan);font-style:italic}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.btn-ghost-light{border-color:rgba(245,242,236,.55);color:var(--bone)}
.btn-ghost-light:hover{background:var(--bone);color:var(--ink);border-color:var(--bone);transform:translateY(-2px)}
.hero-scroll{position:absolute;left:50%;bottom:20px;z-index:3;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.45rem;
  color:rgba(245,242,236,.72);font-family:var(--mono);font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;animation:bob 2.6s ease-in-out infinite}
.hero-scroll:hover{color:var(--cyan)} .hero-scroll svg{width:20px;height:20px}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}
#descubra{scroll-margin-top:var(--hdr-h)}

/* mini-hero das subpáginas (imersivo, foto de topo) */
.pagehero{position:relative;min-height:clamp(300px,52vh,520px);margin-top:calc(-1 * var(--hdr-h));display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;color:var(--bone);
  background:#0E1315;background-image:radial-gradient(120% 90% at 82% 8%,rgba(22,199,233,.18),transparent 52%),linear-gradient(158deg,#12181B 12%,#0A5266 210%)}
.pagehero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.pagehero.has-photo .pagehero-bg{animation:kenburns 20s ease-out both}
.pagehero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(9,14,15,.9) 4%,rgba(9,14,15,.32) 55%,rgba(9,14,15,.5) 100%)}
.pagehero>.wrap{position:relative;z-index:2;padding-top:calc(var(--hdr-h) + 1.4rem);padding-bottom:clamp(2rem,4vw,3.2rem)}
.pagehero .eyebrow{color:var(--cyan)} .pagehero .eyebrow::before{background:var(--cyan)}
.pagehero h1{font-size:clamp(2.2rem,5vw,3.8rem);color:var(--bone);margin-top:1rem;max-width:20ch;text-shadow:0 2px 30px rgba(0,0,0,.4)}
.pagehero h1 em{color:var(--cyan);font-style:italic}
.pagehero .lead{color:rgba(245,242,236,.85);margin-top:1.1rem}

/* section base */
section.block{padding:clamp(2.8rem,6vw,5rem) 0}
.head{max-width:60ch;margin-bottom:2.4rem}
.head h2{font-size:clamp(2rem,4vw,3rem);margin-top:1rem}
.head p{color:var(--ink-soft);margin-top:1rem;font-size:1.05rem}

/* ambientes */
/* ambientes — grade bento: 1º card em destaque, fotos grandes, hover dinâmico */
.amb-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:clamp(210px,20vw,300px);gap:clamp(.7rem,1.3vw,1.15rem)}
.amb{position:relative;border-radius:6px;overflow:hidden;background:var(--deep);background-image:linear-gradient(155deg,#161C1F,#0A4E61);isolation:isolate;display:block;box-shadow:0 12px 30px -24px rgba(0,0,0,.5);transition:transform .5s cubic-bezier(.2,.7,.2,1),box-shadow .5s}
.amb:first-child{grid-column:span 2;grid-row:span 2}
.amb:hover{transform:translateY(-6px);box-shadow:0 34px 54px -30px rgba(0,0,0,.62)}
.amb .slot{position:absolute;inset:0;box-shadow:none;border-radius:0}
.amb .cap{position:absolute;inset:auto 0 0 0;padding:1.5rem;z-index:2;background:linear-gradient(to top,rgba(9,14,15,.94),rgba(9,14,15,.18) 64%,transparent);color:var(--bone)}
.amb .cap h3{font-size:1.4rem;color:var(--bone);line-height:1.1;transition:transform .4s} .amb .cap p{font-size:.86rem;color:rgba(245,242,236,.75);margin-top:.2rem}
.amb:first-child .cap{padding:2rem} .amb:first-child .cap h3{font-size:clamp(1.7rem,2.4vw,2.3rem)}
.amb:hover .cap h3{transform:translateY(-3px)}
.amb .idx{position:absolute;top:16px;left:18px;z-index:2;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;color:rgba(245,242,236,.72)}
.amb::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(150deg,rgba(22,199,233,0),transparent);transition:opacity .4s;opacity:0}
.amb:hover::before{opacity:1;background:linear-gradient(150deg,rgba(22,199,233,.16),rgba(10,82,102,.04))}

/* diferenciais dark */
.dark{background:var(--deep);color:var(--bone)}
.dark .eyebrow{color:var(--cyan)} .dark .head h2{color:var(--bone)} .dark .head p{color:rgba(245,242,236,.68)}
/* diferenciais — estética do rodapé: colunas discretas, sem cartões */
.dif-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:2.2rem;
  padding-top:.4rem;grid-template-rows:auto auto}
@supports(grid-template-rows:subgrid){.dif{display:grid;grid-template-rows:subgrid;grid-row:span 2;row-gap:.9rem}.dif h3{margin-bottom:0}}
.dif h3{font-family:var(--mono);font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--cyan);font-weight:500;line-height:1.45;margin:0 0 .9rem;
  padding-top:.9rem;border-top:1px solid var(--line-dark)}
.dif p{color:rgba(245,242,236,.7);font-size:.95rem;line-height:1.65}
@media(max-width:640px){.dif-grid{gap:1.9rem;padding-top:1.9rem}}

/* processo */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.step{padding-top:1.5rem;position:relative}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;border-radius:3px;background:var(--line)}
.step .n{font-family:var(--mono);font-size:.8rem;color:var(--walnut);letter-spacing:.1em}
.step .tick{position:absolute;top:0;left:0;height:5px;border-radius:3px;background:var(--flame);z-index:1;transition:width .7s cubic-bezier(.4,0,.2,1)}
.step h3{font-size:1.3rem;margin:.8rem 0 .5rem} .step p{color:var(--ink-soft);font-size:.95rem}

/* galeria */

/* sobre */
.sobre-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.sobre-grid .slot{aspect-ratio:4/5}
.sobre-media{overflow:hidden;border-radius:2px;box-shadow:var(--shadow)} .sobre-media .slot{box-shadow:none}
.sobre-txt p{color:var(--ink-soft);margin-bottom:1.1rem;font-size:1.05rem}

/* contato */
.contato-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem)}
.contato-card{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:2rem}
.contato-line{display:flex;gap:.9rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--line)}
.contato-line:last-child{border-bottom:0}
.contato-line .ic{width:38px;height:38px;flex:none;border-radius:50%;background:var(--bone);display:flex;align-items:center;justify-content:center;color:var(--petrol)}
.contato-line .ic svg{width:18px;height:18px}
.contato-line b{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:500;margin-bottom:.15rem}
.contato-line span{font-size:1.05rem}
.contato-cta{background:var(--deep);color:var(--bone);border-radius:3px;padding:2.4rem;display:flex;flex-direction:column;justify-content:center}
.contato-cta h3{color:var(--bone);font-size:1.8rem;margin-bottom:.8rem}
.contato-cta p{color:rgba(245,242,236,.7);margin-bottom:1.6rem}
.mapa{position:relative;border-radius:3px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/7;background:var(--bone)}
.mapa iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.25) contrast(1.02)}
.mapa-btn{position:absolute;left:16px;bottom:16px;z-index:1;display:inline-flex;align-items:center;gap:.5rem;background:var(--ink);color:var(--bone);font-size:.9rem;font-weight:600;padding:.62rem 1.05rem;border-radius:3px;box-shadow:0 8px 24px -8px rgba(0,0,0,.5);transition:transform .25s,background .25s}
.mapa-btn:hover{background:var(--petrol);transform:translateY(-2px)}
.mapa-btn svg{width:17px;height:17px}
@media(max-width:640px){.mapa{aspect-ratio:4/3}}

/* projetos (portfólio) */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem 1.4rem}
.proj{display:flex;flex-direction:column;text-align:left;background:none;border:0;padding:0;cursor:pointer;font-family:inherit;color:inherit;-webkit-tap-highlight-color:transparent}
.proj-cover{position:relative;display:block;border-radius:3px;overflow:hidden;aspect-ratio:4/3;transition:transform .4s,box-shadow .4s}
.proj-cover .slot{position:absolute;inset:0;border-radius:0;box-shadow:none}
.proj-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(9,14,15,.4),transparent 55%);opacity:0;transition:opacity .4s}
.proj:hover .proj-cover{transform:translateY(-4px);box-shadow:var(--shadow)}
.proj:hover .proj-cover::after,.proj:focus-visible .proj-cover::after{opacity:1}
.proj:focus-visible{outline:none}.proj:focus-visible .proj-cover{box-shadow:0 0 0 3px var(--cyan)}
.proj-badge{position:absolute;top:12px;left:12px;z-index:2;font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--bone);background:rgba(10,82,102,.88);padding:.32rem .6rem;border-radius:3px}
.proj-info{padding:1rem .1rem 0;display:flex;flex-direction:column;gap:.28rem}
.proj-tag{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--walnut)}
.proj-title{font-family:var(--serif);font-size:1.42rem;font-weight:500;color:var(--ink);line-height:1.1}
.proj-open{margin-top:.5rem;display:inline-flex;align-items:center;gap:.45rem;font-size:.85rem;font-weight:600;color:var(--petrol)}
.proj-open svg{width:16px;height:16px;transition:transform .3s}
.proj:hover .proj-open svg{transform:translateX(5px)}

/* lightbox — visualizador de imagem em tela cheia */
.lb{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:clamp(.8rem,4vw,3.5rem)}
.lb.open{display:flex}
.lb-backdrop{position:absolute;inset:0;background:rgba(6,10,11,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.lb-stage{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;width:100%;height:100%;animation:lbin .32s cubic-bezier(.2,.7,.2,1)}
@keyframes lbin{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
.lb-img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:4px;box-shadow:0 40px 120px -30px rgba(0,0,0,.8)}
.lb-close{position:absolute;top:clamp(12px,3vw,24px);right:clamp(12px,3vw,24px);z-index:4;width:44px;height:44px;border-radius:50%;border:0;background:rgba(245,242,236,.92);color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s}
.lb-close:hover{background:#fff;transform:rotate(90deg)}.lb-close svg{width:20px;height:20px}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:48px;height:48px;border-radius:50%;border:0;background:rgba(245,242,236,.9);color:var(--ink);font-size:1.8rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s}
.lb-nav:hover{background:#fff;transform:translateY(-50%) scale(1.06)}.lb-nav.prev{left:clamp(8px,3vw,28px)}.lb-nav.next{right:clamp(8px,3vw,28px)}
.lb-count{position:absolute;bottom:clamp(10px,3vw,24px);left:50%;transform:translateX(-50%);z-index:3;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--bone);background:rgba(9,14,15,.55);padding:.28rem .7rem;border-radius:20px}

/* página de projeto (detalhe) */
.pd-head{position:relative;margin-top:calc(-1 * var(--hdr-h));padding:calc(var(--hdr-h) + clamp(2rem,5vw,3.5rem)) 0 clamp(2rem,4vw,3rem);background:var(--deep);color:var(--bone);overflow:hidden}
.pd-head>.wrap{position:relative;z-index:1}
.pd-head .eyebrow{color:var(--cyan)}
.pd-back{display:flex;width:max-content;align-items:center;gap:.45rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(245,242,236,.55);margin-bottom:1.8rem;transition:color .25s,gap .25s}
.pd-back:hover{color:var(--cyan);gap:.65rem}.pd-back svg{width:16px;height:16px}
.pd-head h1{font-family:var(--serif);font-size:clamp(2.1rem,5vw,3.4rem);color:var(--bone);line-height:1.04;margin:.6rem 0 .4rem}
.pd-head .lead{color:rgba(245,242,236,.72);font-size:1.1rem;max-width:60ch;margin-bottom:1.6rem}
.pd-cta{margin-top:.4rem}
/* galeria de projeto — figuras grandes com variações (luz/portas/decorado) + legenda */
.pd-gal{display:flex;flex-direction:column;gap:clamp(2.2rem,5vw,3.6rem)}
.pf{margin:0}
.pf-zoom{position:relative;display:block;width:100%;border:0;padding:0;margin:0;background:var(--deep);border-radius:5px;overflow:hidden;cursor:zoom-in;box-shadow:var(--shadow)}
.pf-img{width:100%;height:auto;max-height:82vh;object-fit:cover;display:block}
.pf-zoom::after{content:"⤢";position:absolute;top:14px;right:14px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(9,14,15,.55);color:var(--bone);font-size:1.05rem;opacity:0;transition:opacity .25s}
.pf-zoom:hover::after{opacity:1}
/* interruptores das variações (estilo Midi: ícone · switch · ícone) */
.pf-switches{display:flex;justify-content:center;flex-wrap:wrap;gap:clamp(1.3rem,3.5vw,2.8rem);margin-top:clamp(1.3rem,2.2vw,1.9rem);position:relative;z-index:1}
.pf-switch{display:inline-flex;align-items:center;gap:.7rem;cursor:pointer;-webkit-user-select:none;user-select:none}
.pf-ico{line-height:0;color:var(--ink-soft);transition:color .3s,transform .3s}
.pf-ico svg{width:24px;height:24px}
.pf-switch:not(.on) .pf-ico:first-child{color:var(--ink);transform:scale(1.08)}
.pf-switch.on .pf-ico:last-child{color:var(--cyan);transform:scale(1.08)}
.pf-sw{position:relative;flex:none;width:56px;height:30px;border-radius:20px;background:var(--line);border:0;padding:0;cursor:pointer;transition:background .3s}
.pf-switch.on .pf-sw{background:var(--petrol)}
.pf-knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.28);transition:transform .3s cubic-bezier(.4,0,.2,1)}
.pf-switch.on .pf-knob{transform:translateX(26px)}
/* modo NOITE: liga a luz do móvel e escurece o resto da página p/ dar destaque */
body::after{content:"";position:fixed;inset:0;z-index:44;background:rgba(6,10,11,.86);opacity:0;pointer-events:none;transition:opacity .6s ease}
body.pf-night::after{opacity:1}
.pf-lit{position:relative;z-index:45}
.pf-lit .pf-zoom{box-shadow:0 0 0 1px rgba(22,199,233,.35),0 50px 120px -20px rgba(0,0,0,.9)}
.pf-cap{margin-top:.85rem;color:var(--ink-soft);font-size:1rem;line-height:1.65;max-width:72ch}
.pf-soon{position:absolute;left:0;right:0;bottom:0;z-index:2;display:none;padding:.85rem 1rem;text-align:center;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--bone);background:linear-gradient(to top,rgba(9,14,15,.9),rgba(9,14,15,.2) 70%,transparent);pointer-events:none}
.pd-txt{display:grid;grid-template-columns:1.6fr .9fr;gap:clamp(1.5rem,4vw,3.5rem);margin-top:clamp(2rem,4vw,3rem)}
.pd-desc p{color:var(--ink-soft);font-size:1.05rem;line-height:1.75;margin:0 0 1rem;max-width:65ch}
.pd-ficha{list-style:none;border-top:2px solid var(--ink);padding-top:1rem}
.pd-ficha li{display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line)}
.pd-ficha b{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);font-weight:500}
.pd-ficha span{font-size:1rem;color:var(--ink);text-align:right}
.pd-h2{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2rem);color:var(--ink);margin-bottom:1.2rem}
.vid-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(.8rem,2vw,1.4rem)}
.vid{position:relative;aspect-ratio:16/9;border-radius:4px;overflow:hidden;background:var(--deep);box-shadow:var(--shadow)}
.vid iframe,.vid video{position:absolute;inset:0;width:100%;height:100%;border:0;object-fit:cover}

/* menu de categorias — tabs editoriais com sublinhado animado */
.cat-nav{display:flex;flex-wrap:wrap;align-items:flex-end;gap:clamp(1.1rem,3vw,2.5rem);border-bottom:1px solid var(--line);margin-bottom:clamp(1.8rem,3.5vw,2.8rem)}
.cat-link{position:relative;font-family:var(--mono);font-size:.8rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-soft);padding:0 0 1.1rem;white-space:nowrap;transition:color .3s}
.cat-link sup{font-size:.62em;margin-left:.35em;top:-.7em;color:var(--walnut);font-weight:500}
.cat-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--flame);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.4,0,.2,1)}
.cat-link:hover{color:var(--ink)}
.cat-link:hover::after,.cat-link.on::after{transform:scaleX(1)}
.cat-link.on{color:var(--ink)}
.cat-link.empty{opacity:.38}
@media(max-width:640px){.cat-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.cat-nav::-webkit-scrollbar{display:none}}
.pd-txt-solo{grid-template-columns:1fr;justify-items:center}
.pd-txt-solo .pd-ficha{max-width:560px;width:100%}
.amb-go{display:inline-flex;align-items:center;gap:.4rem;margin-top:.7rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);opacity:0;transform:translateY(4px);transition:opacity .3s,transform .3s}
.amb-go svg{width:14px;height:14px}
.amb:hover .amb-go{opacity:1;transform:none}
@media(max-width:720px){.pd-txt{grid-template-columns:1fr}.pf-img{max-height:none}}

/* manifesto — bloco de marca: texto centrado sobre o escuro texturizado + selo */
.manifesto{text-align:center;padding:clamp(4rem,9vw,7rem) 0}
.manifesto-txt{position:relative;z-index:1;max-width:36ch;margin:0 auto;font-size:clamp(1.25rem,2.2vw,1.9rem);line-height:1.55;color:rgba(245,242,236,.82);font-weight:400}
.manifesto-txt b{color:var(--bone);font-weight:700}
/* selo circular: "colado" na emenda entre dois blocos (metade em cada) — por isso fica FORA
   da section (que tem overflow:hidden). Texto em CINZA p/ ler tanto no claro quanto no escuro. */
.manifesto-wrap{position:relative}
.selo{position:absolute;top:0;right:clamp(20px,7vw,130px);transform:translateY(-26%);
  width:clamp(112px,13vw,176px);aspect-ratio:1;z-index:3;pointer-events:none}
.selo-anel{position:absolute;inset:0;width:100%;height:100%;animation:seloGira 30s linear infinite}
.selo-txt{font-family:var(--mono);font-size:15px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;fill:#8A9095}
.selo-logo{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56%;line-height:0}
.selo-logo img{width:100%;height:auto;display:block}
/* palavras em CINZA (mesmo tom do anel) e a chama mantendo a cor da marca */
.selo-logo .l-word{filter:grayscale(1) brightness(.62);clip-path:inset(0 0 0 13.4%)}
.selo-logo .l-flame{position:absolute;inset:0;clip-path:inset(0 86.6% 0 0)}
@keyframes seloGira{to{transform:rotate(360deg)}}
/* No celular o selo não pode sangrar para fora: em cima ele encostava no cartão
   anterior e por baixo caía sobre as primeiras linhas do texto. Fica dentro do
   bloco, no topo, e o texto começa abaixo dele. */
@media(max-width:640px){
  .selo{top:0;right:50%;transform:translate(50%,-50%);width:98px}
  /* precisa vencer o padding de section.block (que é mais específico que .manifesto),
     senão o texto sobe e encosta na metade de baixo do selo */
  section.block.manifesto{padding-top:calc(49px + 2.2rem)}
}
/* variante do topo das páginas internas: dentro do bloco escuro, à direita do título */
.selo-topo{right:clamp(18px,5vw,80px);width:clamp(104px,11vw,158px);z-index:2}
.pd-head .selo-topo{top:50%;transform:translateY(-50%)}
/* o pagehero é mais baixo e cresce de baixo p/ cima: ancora no rodapé p/ não cortar */
.pagehero .selo-topo{top:auto;bottom:clamp(22px,4vw,46px);transform:none}
.pagehero .selo-topo .selo-txt{fill:rgba(245,242,236,.78)}
@media(max-width:900px){.selo-topo{display:none}}   /* aí o texto já ocupa a largura toda */

/* título invisível (só p/ leitores de tela e Google) quando o hero fica só com a imagem */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* cta band */
.cta-band{background:var(--deep);color:var(--bone);text-align:center;padding:clamp(3rem,5.5vw,4.5rem) 0 clamp(2.2rem,4vw,3.2rem)}
.cta-band .eyebrow{color:var(--cyan)} .cta-band h2{font-size:clamp(2rem,4.4vw,3.2rem);color:var(--bone);margin:1.1rem 0 1.8rem}
.cta-band h2 em{color:var(--cyan)}

/* footer */
footer.site{background:var(--deep);color:rgba(245,242,236,.7);padding:4rem 0 2rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem;border-bottom:1px solid var(--line-dark)}
footer.site .flogo{height:54px;width:auto;margin-bottom:1.2rem}
footer.site h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:1rem}
footer.site a:hover{color:var(--bone)}
.fcol p,.fcol a{display:block;font-size:.95rem;margin-bottom:.5rem}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.6rem;font-size:.82rem;color:rgba(245,242,236,.45)}
.foot-social{display:flex;gap:1rem}
.foot-social a{border:1px solid var(--line-dark);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.3s}
.foot-social a:hover{border-color:var(--cyan);color:var(--cyan)} .foot-social svg{width:17px;height:17px}

/* aviso de cookies (LGPD) */
.cookie-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(14,19,21,.97);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--line-dark);color:rgba(245,242,236,.86);padding:.95rem clamp(1rem,4vw,2rem);display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap;justify-content:center;font-size:.86rem;transition:transform .4s ease}
.cookie-bar.out{transform:translateY(110%)}
.cookie-bar a{color:var(--cyan);text-decoration:underline}
.cookie-ok{flex:none;background:var(--cyan);color:#04252e;border:0;border-radius:7px;padding:.55rem 1.4rem;font-family:var(--sans);font-weight:700;font-size:.82rem;cursor:pointer;transition:filter .2s}
/* "Saiba mais" como botão ao lado do Entendi (era um link solto no meio do texto) */
.cookie-mais{flex:none;border:1px solid rgba(245,242,236,.35);border-radius:7px;padding:.55rem 1.2rem;
  font-weight:600;font-size:.82rem;color:var(--bone);text-decoration:none;transition:border-color .2s,color .2s}
.cookie-mais:hover{border-color:var(--cyan);color:var(--cyan)}
.cookie-ok:hover{filter:brightness(1.08)}
@media(max-width:640px){.cookie-bar{padding-bottom:1rem} .wa-float{bottom:76px}}

.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#128C7E;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -8px rgba(18,140,126,.6);transition:transform .3s}
.wa-float:hover{transform:scale(1.08)} .wa-float svg{width:30px;height:30px}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}
.no-io .reveal{opacity:1;transform:none}

/* micro-interações (dinamismo) */
.proj-cover img.slot,.amb .slot.has-img{transition:transform .65s cubic-bezier(.2,.7,.2,1)}
.proj:hover .proj-cover img.slot,.amb:hover .slot.has-img{transform:scale(1.06)}

/* faixa de números (contadores) */
.nums{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(2.6rem,5vw,4.2rem) 0}
.nums-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.stat{position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:var(--line)}
.stat-val{font-family:var(--serif);font-weight:500;font-size:clamp(2.4rem,4.6vw,3.6rem);color:var(--petrol);line-height:1;letter-spacing:-.02em}
.stat-lbl{margin-top:.7rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}

/* loader de abertura (marca) */
.intro{position:fixed;inset:0;z-index:200;background:#0E1315;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease}
.intro.out{opacity:0}
.intro-mark{animation:introUp 1.05s ease both}
.intro-mark img{height:140px;width:auto;display:block;filter:drop-shadow(0 0 26px rgba(22,199,233,.5))}
@keyframes introUp{0%{transform:scale(.6) translateY(8px);opacity:0}45%{opacity:1}100%{transform:scale(1) translateY(0);opacity:1}}

/* marca d'água da chama (seções escuras) */
.dark,.cta-band{position:relative;overflow:hidden}
.dark>.wrap,.cta-band>.wrap{position:relative;z-index:1}
/* TEXTURA do fundo escuro — grão sutil (SVG inline), dá riqueza ao preto chapado */
.dark::before,.cta-band::before,.pd-head::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23g)' opacity='.42'/%3E%3C/svg%3E")}


/* parallax base — imagens de seção ganham leve overscan para não abrir "buraco" */
.sobre-grid img.slot{transform:scale(1.14);will-change:transform}
/* revelação em cascata dentro das grades */
.amb-grid .amb:nth-child(3n+2),.proj-grid .proj:nth-child(3n+2){transition-delay:.09s}
.amb-grid .amb:nth-child(3n),.proj-grid .proj:nth-child(3n){transition-delay:.18s}

@media(max-width:900px){
  .amb-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:clamp(200px,34vw,270px)} .amb:first-child{grid-column:span 2;grid-row:span 1}
  .dif-grid{grid-template-columns:1fr} .dif:nth-child(even){padding-left:0;border-left:0} .dif:nth-child(odd){padding-right:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .sobre-grid,.contato-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .nav ul,.nav-cta .btn{display:none}
  .burger{display:flex}
  .nav ul.open{display:flex;position:fixed;top:calc(var(--hdr-h) + 18px);left:2vw;right:2vw;flex-direction:column;gap:0;
    background:var(--ink);padding:.6rem 5vw 1.2rem;border:1px solid var(--line-dark);border-radius:18px;
    box-shadow:0 28px 60px -22px rgba(0,0,0,.65);animation:menuDrop .26s cubic-bezier(.2,.7,.2,1)}
  .nav ul.open li{width:100%}
  header.site .nav ul.open a{display:block;color:rgba(245,242,236,.92);font-size:1.12rem;font-weight:500;padding:.95rem .2rem;border-bottom:1px solid var(--line-dark)}
  header.site .nav ul.open a:last-child{border-bottom:0}
  header.site .nav ul.open a.active,header.site .nav ul.open a:hover{color:var(--cyan)}
  @keyframes menuDrop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
  .amb-grid{grid-template-columns:1fr;grid-auto-rows:auto} .amb{aspect-ratio:4/3} .amb:first-child{grid-column:span 1;grid-row:span 1}
  .proj-grid{grid-template-columns:1fr}
  .hero-scroll{display:none} .hero h1{max-width:none}
  .nums-grid{grid-template-columns:repeat(2,1fr);gap:1.8rem 1rem} .stat+.stat::before{display:none}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto};.selo-anel{animation:none}.reveal{opacity:1;transform:none;transition:none}.hero img.hero-bg{animation:none}.hero-scroll{animation:none}}


/* ============================================================
   MENU LATERAL (desktop) — ocupa a MARGEM lateral, fora do bloco de conteúdo.
   Fechado: mostra só a marca. No hover/foco: abre e sobrepõe (não empurra nada).
   Para voltar ao menu no topo, basta apagar este bloco inteiro.
   --hdr-h vira 0 aqui, então os "margin-top:calc(-1*--hdr-h)" (hero/pagehero/pd-head) zeram sozinhos.
   ============================================================ */
@media(min-width:1024px){
  :root{
    --hdr-h:0px;
    /* o bloco de conteúdo encolhe o suficiente p/ a barra caber na margem dos dois lados */
    --heroW:min(1400px, calc(100vw - (var(--railW) + var(--gap) * 2) * 2));
  }
  /* FECHADO: caixa compacta do tamanho da logo (sem retângulo alto vazio) */
  header.site{position:fixed;left:var(--gap);top:50%;bottom:auto;transform:translateY(-50%);
    width:var(--railW);height:var(--railH);margin:0;border-radius:16px;overflow:hidden;
    box-shadow:0 20px 46px -22px rgba(0,0,0,.5);
    transition:width .38s cubic-bezier(.2,.7,.2,1),height .38s cubic-bezier(.2,.7,.2,1),background .35s,border-color .35s}
  /* ABERTO (hover/foco): vira o painel completo */
  header.site:hover,header.site:focus-within{width:var(--sideOpen);height:var(--openH)}
  /* A barra fica FORA da foto (na margem clara), então o fundo precisa ser escuro
     o tempo todo — senão a marca some. Transparência entra só como leve vidro. */
  header.site,header.site:not(.scrolled),header.site.scrolled{
    background:rgba(14,19,21,.86);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.10)}
  header.site:hover,header.site:focus-within{background:rgba(14,19,21,.94)}

  /* marca vertical (estado fechado) */
  .rail-mark{display:flex;position:absolute;inset:0;flex-direction:column;align-items:center;justify-content:center;
    gap:.75rem;opacity:1;transition:opacity .25s;pointer-events:none}
  /* rótulo MENU: maior, mais claro e com um traço da marca acima p/ ganhar destaque */
  .rail-mark b{position:relative;font-family:var(--mono);font-size:.86rem;font-weight:600;letter-spacing:.34em;
    text-indent:.34em;text-transform:uppercase;color:var(--bone);padding-top:.7rem}
  .rail-mark b::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:2px;border-radius:2px;background:var(--flame)}
  /* logo OFICIAL no formato ORIGINAL (horizontal, sem rotação) */
  .rail-mark img{width:calc(var(--railW) - 26px);height:auto}
  header.site:hover .rail-mark,header.site:focus-within .rail-mark{opacity:0}

  /* conteúdo do menu: escondido fechado, aparece ao abrir */
  .nav{flex-direction:column;height:100%;align-items:flex-start;justify-content:center;gap:1.8rem;
    padding:1.7rem 1.5rem;width:var(--sideOpen)}
  .nav .logo,.nav ul,.nav-cta{opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s}
  header.site:hover .nav .logo,header.site:hover .nav ul,header.site:hover .nav-cta,
  header.site:focus-within .nav .logo,header.site:focus-within .nav ul,header.site:focus-within .nav-cta{opacity:1;visibility:visible}
  .nav .logo{width:100%}
  .nav .logo img{height:auto;width:100%;max-width:150px}
  .nav ul{flex-direction:column;gap:1.1rem;align-items:flex-start;width:100%}
  .nav ul a{font-size:1rem;white-space:nowrap}
  .nav-cta{margin-top:.4rem;flex-direction:column;align-items:stretch;width:100%;gap:.8rem}
  .nav-cta .btn{justify-content:center;white-space:nowrap;font-size:.88rem;padding:.8rem 1rem}

  /* --hdr-h vira 0 aqui, então o hero perde a margem do topo: devolvemos.
     Assim ele ocupa a tela inteira (menos as margens) e a seção seguinte só aparece ao rolar. */
  .hero{margin-top:var(--gap);height:calc(100svh - var(--gap) * 2)}
}
@media(prefers-reduced-motion:reduce){header.site{transition:none}}

/* ============================================================
   LOGO PRETA — cabecalho, menu, rodape e CTA em paleta clara
   (a logo de letra preta so aparece sobre fundo claro)
   ============================================================ */
/* --- cabecalho (pilula): claro sempre --- */
header.site,header.site:not(.scrolled){background:rgba(251,250,247,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid transparent}
header.site.scrolled{background:rgba(251,250,247,.93);border-color:var(--line);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.22)}
.nav ul a{color:var(--ink-soft)}
.nav ul a:hover,.nav ul a.active{color:var(--petrol)}
.burger span{background:var(--ink)}
header.site .nav-cta .btn-primary{background:var(--petrol);color:#fff}
header.site .nav-cta .btn-primary:hover{background:var(--ink)}
/* dropdown mobile claro */
.nav ul.open{background:var(--paper);border:1px solid var(--line);
  box-shadow:0 28px 60px -24px rgba(0,0,0,.20)}
header.site .nav ul.open a{color:var(--ink);border-bottom:1px solid var(--line)}
header.site .nav ul.open a.active,header.site .nav ul.open a:hover{color:var(--petrol)}

/* --- rodape claro --- */
footer.site{background:var(--paper);color:var(--ink-soft)}
footer.site::before{background:linear-gradient(90deg,transparent,var(--line) 18%,var(--line) 82%,transparent)}
.foot-grid{border-bottom-color:var(--line)}
footer.site h4{color:var(--petrol)}
footer.site a:hover{color:var(--petrol)}
.fcol p,.fcol a{color:var(--ink-soft)}
.foot-bottom{color:rgba(23,25,28,.5);border-top-color:var(--line)}
.foot-social a{border-color:var(--line)}
.foot-social a:hover{border-color:var(--petrol);color:var(--petrol)}

/* --- faixa CTA volta a ser ESCURA; rodape segue claro -> dois cartoes separados --- */
.cta-sub{color:rgba(245,242,236,.72)}        /* subtitulo claro (a CTA e escura de novo) */
.cta-band{border-radius:22px;padding-bottom:clamp(2.6rem,4.5vw,3.6rem)}
.dark:has(+ .cta-band){border-radius:22px;padding-bottom:clamp(3rem,6vw,5rem)}
.dark + .cta-band{border-radius:22px;margin-top:var(--gap)}
.dark + .cta-band::after{display:none}       /* sem a linha da solda */
footer.site{margin-top:var(--gap);border-radius:22px}
footer.site::before{display:none}            /* rodape vira cartao proprio, sem divisor de solda */

/* --- menu lateral (desktop): SO o contorno preto, sem preenchimento --- */
@media(min-width:1024px){
  header.site,header.site:not(.scrolled),header.site.scrolled,
  header.site:hover,header.site:focus-within{
    background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;
    border:1.5px solid var(--ink);box-shadow:none}
  .rail-mark b{color:var(--ink)}
  .nav ul a{color:var(--ink)}
  .nav ul a:hover,.nav ul a.active{color:var(--petrol)}
}