/* ============================================================
   LUMEN & Co. — OXIDE Visual System
   "Warm Machine Minimalism" — paper · ink · rust · restraint
   (Anthropic × Nier:Automata). Texts unchanged; layout reskinned.
   ============================================================ */

:root{
  /* OXIDE palette */
  --paper:#ECE7DA;      /* base canvas        */
  --bone:#F5F1E7;       /* raised surface     */
  --parchment:#E3DCC9;  /* sunken panel       */
  --ash:#C9C0AC;        /* hairline / rule    */
  --ink:#211E18;        /* primary text       */
  --umber:#56503F;      /* secondary text     */
  --clay:#B65A37;       /* light rust         */
  --rust:#A8472A;       /* primary accent     */
  --oxide:#6E2E18;      /* deep accent        */

  /* ---- legacy aliases (keep inline HTML styles working) ---- */
  --cream:#ECE7DA;          /* was cream  -> paper      */
  --cream-2:#E3DCC9;        /* was cream2 -> parchment  */
  --indigo:#211E18;         /* was indigo -> ink        */
  --indigo-2:#2A261D;       /* slightly raised ink      */
  --indigo-line:rgba(245,241,231,.14);
  --gold:#A8472A;           /* was gold   -> rust       */
  --gold-light:#C0744F;     /* light rust for dark bg   */
  --gold-dark:#6E2E18;      /* deep accent              */
  --muted:#56503F;          /* secondary text           */
  --line:#C9C0AC;           /* hairline                 */

  /* type */
  --font-display:'Spectral',Georgia,serif;
  --font-body:'Hanken Grotesk',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono','SF Mono',monospace;

  --pad:clamp(22px,5.5vw,80px);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-body);font-weight:400;font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}

/* paper grain — the "weathered" texture */
body::after{
  content:'';position:fixed;inset:0;z-index:60;pointer-events:none;
  mix-blend-mode:multiply;opacity:.5;
  background-image:radial-gradient(rgba(110,95,70,.16) .5px,transparent .5px);
  background-size:3px 3px;
}
::selection{background:var(--rust);color:var(--bone)}

@keyframes ox-blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ---------- preloader ---------- */
.preloader{
  position:fixed;inset:0;z-index:10000;background:var(--paper);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .7s var(--ease),visibility .7s;
}
.preloader.done{opacity:0;visibility:hidden}
.preloader .seal-load{width:clamp(78px,11vw,108px);aspect-ratio:1;position:relative}
.preloader .seal-load img{width:100%;height:100%;object-fit:contain;display:block}
.preloader .seal-load .shine{
  display:flex;align-items:center;gap:9px;position:absolute;left:50%;top:calc(100% + 22px);
  transform:translateX(-50%);white-space:nowrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--umber);
}
.preloader .seal-load .shine::before{content:'CARREGANDO'}
.preloader .seal-load .shine::after{content:'';width:8px;height:8px;background:var(--rust);animation:ox-blink 1.3s steps(1) infinite}
@media (prefers-reduced-motion:reduce){
  .preloader .seal-load .shine::after{animation:none}
}

/* ---------- cursor (machine dot) ---------- */
.cursor{
  position:fixed;top:0;left:0;z-index:9500;pointer-events:none;
  width:7px;height:7px;background:var(--rust);transform:translate(-50%,-50%);
}
.cursor-halo{display:none}
.cursor-label{
  position:fixed;top:0;left:0;z-index:9501;pointer-events:none;
  transform:translate(-50%,-50%);
  background:var(--rust);color:var(--bone);
  padding:7px 12px;white-space:nowrap;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  opacity:0;transition:opacity .25s;
}
body.cursor-view .cursor-label{opacity:1}
body.cursor-view .cursor{opacity:0}
@media (pointer:coarse){.cursor,.cursor-halo,.cursor-label{display:none}}

/* ---------- header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:8000;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  background:rgba(236,231,218,.82);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:padding .4s var(--ease),border-color .4s,background .4s;
}
.header.scrolled{padding:12px var(--pad);border-bottom-color:var(--line)}
.header .brand{
  font-family:var(--font-display);font-size:1.25rem;letter-spacing:.04em;
  display:flex;align-items:center;gap:12px;font-weight:500;
}
.header .brand .seal{
  width:34px;height:34px;flex:none;
  background:url(../img/brand/seal.png) center/contain no-repeat;
  font-size:0;color:transparent;
}
.header nav{display:flex;gap:30px;align-items:center}
.header nav a{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  position:relative;padding:4px 0;color:var(--umber);transition:color .3s;
}
.header nav a:hover,.header nav a[aria-current]{color:var(--ink)}
.header nav a::after{
  content:'';position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--rust);transition:width .35s var(--ease);
}
.header nav a:hover::after,.header nav a[aria-current]::after{width:100%}
.header .cta-mini{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--ink);padding:10px 18px;border-radius:0;color:var(--ink);
  transition:background .3s,color .3s;
}
.header .cta-mini:hover{background:var(--ink);color:var(--paper)}
/* WhatsApp header icon button */
.wa-header-btn{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1px solid var(--line);color:var(--umber);
  transition:color .3s,border-color .3s,background .3s;flex:none;
}
.wa-header-btn:hover{color:#25D366;border-color:#25D366;background:rgba(37,211,102,.07)}
.header--dark{color:var(--ink)}
.menu-btn{display:none;background:none;border:none;cursor:pointer}

/* ---------- shared bits ---------- */
.eyebrow{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--oxide);display:flex;align-items:center;gap:14px;
}
.eyebrow::before{content:'';width:32px;height:1px;background:var(--rust)}
.on-dark .eyebrow{color:var(--clay)}
.on-dark .eyebrow::before{background:var(--clay)}

.display{
  font-family:var(--font-display);font-weight:400;line-height:1.04;letter-spacing:-.015em;
  color:var(--ink);
}
.display em{font-style:italic;color:var(--rust)}
.on-dark .display{color:var(--paper)}
.on-dark .display em{color:var(--clay)}

.section{padding:clamp(72px,10vw,128px) var(--pad);border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:clamp(40px,5vw,72px);flex-wrap:wrap}
.section-head h2{font-size:clamp(2.2rem,5vw,3.8rem)}

.link-arrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--oxide);border-bottom:1px solid var(--oxide);padding-bottom:4px;
  transition:color .3s,border-color .3s;
}
.link-arrow:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-family:var(--font-body);font-weight:600;
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  background:var(--ink);color:var(--paper);border:1px solid var(--ink);
  padding:14px 28px;border-radius:0;cursor:pointer;
  transition:background .3s,color .3s,border-color .3s;
}
.btn:hover{background:var(--oxide);border-color:var(--oxide);color:var(--bone)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.on-dark .btn--ghost{color:var(--paper);border-color:var(--paper)}
.on-dark .btn--ghost:hover{background:var(--paper);color:var(--ink)}
/* square WhatsApp button (icon only, accent-colored) */
.btn-wa-square{
  box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;padding:0;flex:none;
  background:var(--gold);color:var(--bone);border:1px solid var(--gold);
  transition:background .3s,border-color .3s,color .3s;
}
.btn-wa-square svg{width:21px;height:21px}
.btn-wa-square:hover{background:var(--oxide);border-color:var(--oxide);color:var(--bone)}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.on{opacity:1;transform:none}
.rv-d1{transition-delay:.09s}
.rv-d2{transition-delay:.18s}
.rv-d3{transition-delay:.27s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;background:var(--paper);color:var(--ink);
  display:flex;flex-direction:column;justify-content:center;
  padding:150px var(--pad) 110px;overflow:hidden;
}
.hero::before{display:none}
.hero .hero-inner{position:relative;z-index:3;max-width:1120px;width:100%}
.hero h1{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(3.6rem,11vw,9rem);line-height:.94;letter-spacing:-.02em;
  color:var(--ink);position:relative;
}
.hero h1 em{font-style:italic;color:var(--rust)}
.hero h1 .lit{display:none}
.hero .lead{
  max-width:460px;margin-top:38px;color:var(--umber);
  font-size:1.05rem;font-weight:400;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero .hero-actions{margin-top:42px}
.page-hero .hero-actions{margin-top:40px}
.hero .float-card{
  position:absolute;overflow:hidden;z-index:2;border:1px solid var(--line);
  transition:transform .8s var(--ease);will-change:transform;
}
.float-card img{width:100%;height:100%;object-fit:cover}
.fc-1{width:clamp(160px,17vw,280px);aspect-ratio:3/4;right:6%;top:16%}
.fc-2{width:clamp(120px,12vw,200px);aspect-ratio:4/5;right:22%;bottom:18%}
.fc-3{width:clamp(100px,10vw,170px);aspect-ratio:1/1;right:2%;bottom:12%}
.hero .scroll-hint{
  position:absolute;left:var(--pad);bottom:34px;z-index:3;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--umber);display:flex;align-items:center;gap:12px;
}
.hero .scroll-hint::after{
  content:'';width:1px;height:42px;background:linear-gradient(var(--rust),transparent);
}
.hero-media{display:none}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover;display:block}
/* hero background media (mobile) */
.hero-bg-media{display:none}
.hero-bg-media img,.hero-bg-media video{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- marquee (machine ticker) ---------- */
.marquee{
  background:var(--parchment);color:var(--ink);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;white-space:nowrap;padding:16px 0;
}
.marquee .track{display:inline-block;animation:mq 34s linear infinite}
.marquee span{
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.22em;text-transform:uppercase;
  margin:0 30px;font-weight:500;color:var(--umber);
}
.marquee span em{font-style:normal;color:var(--ink)}
.marquee i{color:var(--rust);font-style:normal;font-size:.7rem;vertical-align:middle}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- projetos destaque ---------- */
.work-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(20px,3vw,44px)}
.work-card{position:relative;display:block}
.work-card .frame{overflow:hidden;border-radius:0;position:relative;background:var(--parchment);border:1px solid var(--line)}
.work-card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.work-card:hover img{transform:scale(1.04)}
.work-card .frame::after{content:none}
/* corner brackets on hover */
.work-card::before,.work-card::after{
  content:'';position:absolute;width:16px;height:16px;z-index:3;
  opacity:0;transition:opacity .35s var(--ease);pointer-events:none;
}
.work-card::before{top:-1px;left:-1px;border-top:2px solid var(--rust);border-left:2px solid var(--rust)}
.work-card::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--rust);border-right:2px solid var(--rust)}
.work-card:hover::before,.work-card:hover::after{opacity:1}
.work-card .info{display:flex;justify-content:space-between;align-items:baseline;margin-top:16px;gap:14px}
.work-card .info h3{font-family:var(--font-display);font-size:1.55rem;font-weight:500}
.work-card .info .tag{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--umber)}
.work-card .vol{
  position:absolute;top:14px;left:14px;z-index:4;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bone);background:var(--ink);padding:5px 10px;border-radius:0;
}
.wc-a{grid-column:1/7;aspect-ratio:4/4.6}
.wc-a .frame{height:100%}
.wc-b{grid-column:8/13;aspect-ratio:4/3.2;margin-top:14%}
.wc-b .frame{height:100%}
.wc-c{grid-column:2/7;aspect-ratio:4/3;margin-top:10%}
.wc-c .frame{height:100%}
.wc-d{grid-column:8/12;aspect-ratio:3/3.6;margin-top:-6%}
.wc-d .frame{height:100%}

/* ---------- acervo strip ---------- */
.acervo{background:var(--bone);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip{
  display:flex;gap:clamp(14px,2vw,26px);overflow-x:auto;
  padding:10px var(--pad) 30px;scroll-snap-type:x mandatory;
  scrollbar-width:none;cursor:grab;
}
.strip::-webkit-scrollbar{display:none}
.strip.dragging{cursor:grabbing;scroll-snap-type:none}
.strip figure{
  flex:0 0 clamp(240px,26vw,400px);scroll-snap-align:start;margin:0;
  border-radius:0;overflow:hidden;aspect-ratio:4/5;position:relative;border:1px solid var(--line);
}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);pointer-events:none}
.strip figure:hover img{transform:scale(1.04)}
.strip figcaption{
  position:absolute;bottom:12px;left:12px;
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--bone);background:var(--ink);padding:5px 11px;border-radius:0;
  opacity:0;transition:opacity .4s;
}
.strip figure:hover figcaption{opacity:1}

/* ---------- serviços ---------- */
.services{position:relative}
.svc-row{
  display:grid;grid-template-columns:90px 1fr auto;align-items:center;gap:30px;
  padding:34px 0;border-top:1px solid var(--line);position:relative;
  transition:padding .4s var(--ease);
}
.svc-row:last-of-type{border-bottom:1px solid var(--line)}
.svc-row:hover{padding-left:14px}
.svc-row .roman{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.1em;color:var(--oxide)}
.svc-row h3{font-family:var(--font-display);font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:400;transition:color .3s}
.svc-row:hover h3{color:var(--rust)}
.svc-row p{font-size:.95rem;color:var(--umber);max-width:340px;text-align:right}
.svc-preview{
  position:fixed;z-index:7000;width:280px;aspect-ratio:4/5;border-radius:0;overflow:hidden;
  border:1px solid var(--line);pointer-events:none;opacity:0;
  transform:translate(-50%,-50%) scale(.9);transition:opacity .4s,transform .5s var(--ease);
}
.svc-preview.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.svc-preview img{width:100%;height:100%;object-fit:cover}

/* ---------- sobre teaser ---------- */
.about-teaser{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.about-teaser .photo{border-radius:0;overflow:hidden;aspect-ratio:4/5;border:1px solid var(--line)}
.about-teaser .photo img{width:100%;height:100%;object-fit:cover}
.stats{display:flex;gap:clamp(28px,4vw,56px);margin-top:38px;flex-wrap:wrap}
.stat .num{font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3rem);color:var(--ink);line-height:1}
.stat .lbl{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--umber);margin-top:8px}

/* ---------- cta (ink terminal panel) ---------- */
.cta{background:var(--ink);color:var(--paper);text-align:center;position:relative;overflow:hidden}
.cta::before{display:none}
.cta .seal-big{
  width:72px;height:72px;margin:0 auto 34px;border-radius:0;
  background:url(../img/brand/seal.png) center/contain no-repeat;
  font-size:0;color:transparent;
}
.cta h2{font-size:clamp(2.4rem,6vw,5rem);max-width:900px;margin:0 auto;color:var(--paper)}
.cta h2 em{font-style:italic;color:var(--clay)}
.cta p{max-width:480px;margin:26px auto 44px;color:rgba(245,241,231,.7)}

/* ---------- footer (ink) ---------- */
footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--indigo-line);padding:64px var(--pad) 34px}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:54px}
.foot-grid .brand-f{font-family:var(--font-display);font-size:1.5rem;letter-spacing:.04em;display:flex;align-items:center;gap:14px}
.foot-grid .brand-f::before{content:'';flex:none;width:40px;height:40px;background:url(../img/brand/seal.png) center/contain no-repeat}
.foot-grid .col h4{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--clay);margin-bottom:16px;font-weight:500}
.foot-grid .col a{display:block;font-size:.92rem;color:rgba(245,241,231,.72);margin-bottom:9px;transition:color .3s}
.foot-grid .col a:hover{color:var(--clay)}
.foot-base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--indigo-line);font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(245,241,231,.5)}

/* ---------- page hero (inner) ---------- */
.page-hero{padding:170px var(--pad) 60px;border-bottom:1px solid var(--line)}
.page-hero h1{font-family:var(--font-display);font-weight:400;font-size:clamp(2.8rem,7vw,5.6rem);line-height:1.02;letter-spacing:-.015em}
.page-hero h1 em{font-style:italic;color:var(--rust)}
.page-hero .sub{max-width:520px;margin-top:24px;color:var(--umber);font-size:1.05rem}

/* ---------- filters ---------- */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:clamp(40px,5vw,64px)}
.filters button{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  background:transparent;border:1px solid var(--line);color:var(--umber);
  padding:9px 18px;border-radius:0;cursor:pointer;transition:background .3s,color .3s,border-color .3s;
}
.filters button.active,.filters button:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- portfolio grid ---------- */
.pf-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,60px)}
.pf-grid .work-card{transition:opacity .5s,transform .5s var(--ease)}
.pf-grid .work-card.hide{opacity:0;transform:scale(.96);pointer-events:none;position:absolute;visibility:hidden}
.pf-grid .frame{aspect-ratio:4/3.4}
.pf-grid .work-card:nth-child(even){transform:translateY(56px)}
.pf-grid .work-card:nth-child(even).hide{transform:scale(.96)}

/* ---------- projeto single ---------- */
.proj-hero{padding:190px var(--pad) 60px}
.proj-hero .meta-row{
  display:flex;gap:clamp(28px,6vw,84px);flex-wrap:wrap;margin-top:48px;
  padding-top:30px;border-top:1px solid var(--line);
}
.meta-row .m .k{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--oxide);margin-bottom:6px}
.meta-row .m .v{font-family:var(--font-display);font-size:1.15rem}
.proj-cover{padding:0 var(--pad)}
.proj-cover .frame{border-radius:0;overflow:hidden;aspect-ratio:16/8.5;border:1px solid var(--line)}
.proj-cover img{width:100%;height:100%;object-fit:cover}
.proj-text{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(30px,6vw,100px)}
.proj-text h2{font-size:clamp(1.9rem,3.4vw,2.8rem)}
.proj-text .body p{margin-bottom:20px;color:var(--umber)}
.proj-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2.5vw,32px);padding:0 var(--pad) clamp(80px,10vw,130px)}
.proj-gallery .g{border-radius:0;overflow:hidden;aspect-ratio:4/3.4;border:1px solid var(--line);padding:0;background:var(--parchment)}
.proj-gallery .g.full{grid-column:1/-1;aspect-ratio:16/8}
.proj-gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.proj-gallery .g:hover img{transform:scale(1.03)}

/* ---------- coleção legendada ---------- */
.coll-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(30px,4vw,64px)}
.coll-item{margin:0}
.coll-item .coll-frame{
  display:block;width:100%;padding:0;border:1px solid var(--line);cursor:pointer;
  border-radius:0;overflow:hidden;background:var(--parchment);aspect-ratio:4/3;
}
.coll-item .coll-frame img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.coll-item:hover .coll-frame img{transform:scale(1.03)}
.coll-item figcaption{margin-top:16px}
.coll-item figcaption h3{font-family:var(--font-display);font-size:clamp(1.4rem,2.4vw,1.8rem);font-weight:500}
.coll-item figcaption p{margin-top:7px;color:var(--umber);font-size:.95rem;line-height:1.55;max-width:48ch}

/* ---------- próximo projeto (ink) ---------- */
.next-proj{display:block;background:var(--indigo-2);color:var(--paper);text-align:center;padding:clamp(72px,10vw,120px) var(--pad);transition:background .5s}
.next-proj:hover{background:var(--ink)}
.next-proj .k{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.26em;text-transform:uppercase;color:var(--clay)}
.next-proj h2{font-family:var(--font-display);font-weight:400;color:var(--paper);font-size:clamp(2.4rem,6vw,4.6rem);margin-top:16px;display:inline-flex;align-items:center;gap:.38em}
.next-proj h2 em{font-style:italic;color:var(--clay)}
.next-proj h2 .arr{width:clamp(46px,6vw,86px);height:auto;flex:none;color:var(--clay);transition:transform .55s var(--ease)}
.next-proj:hover h2 .arr{transform:translateX(16px)}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:9600;background:rgba(33,30,24,.94);display:flex;align-items:center;justify-content:center;padding:40px;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:92vw;max-height:86vh;object-fit:contain;border:1px solid var(--umber)}
.lightbox .close{position:absolute;top:24px;right:28px;font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--paper);cursor:pointer}

/* ---------- contato ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px)}
.field{margin-bottom:22px}
.field label{display:block;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--umber);margin-bottom:10px}
.field input,.field textarea{
  width:100%;background:var(--bone);border:1px solid var(--line);border-radius:0;
  padding:14px 16px;font-family:var(--font-body);font-size:1rem;color:var(--ink);resize:vertical;
  transition:border-color .3s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.channel{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.channel:last-child{border-bottom:1px solid var(--line)}
.channel .t{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--umber)}
.channel .k{font-family:var(--font-display);font-size:1.1rem;transition:color .3s}
.channel:hover .k{color:var(--rust)}

/* ---------- valores ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.value-card{background:var(--bone);padding:32px 28px;transition:background .3s}
.value-card:hover{background:var(--paper-3,var(--parchment))}
.value-card .roman{font-family:var(--font-mono);font-size:.8rem;color:var(--oxide);letter-spacing:.1em}
.value-card h3{font-family:var(--font-display);font-size:1.5rem;font-weight:500;margin:14px 0 10px}
.value-card p{font-size:.95rem;color:var(--umber);line-height:1.6;margin:0}

/* ---------- focus a11y ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--rust);outline-offset:2px}

/* ---------- tweaks button + panel ---------- */
.theme-toggle{
  width:26px;height:26px;background:none;border:1.5px solid var(--ash);border-radius:0;
  cursor:pointer;flex:none;position:relative;overflow:hidden;transition:border-color .3s;
}
.theme-toggle:hover{border-color:var(--rust)}
.theme-toggle::before{
  content:'';position:absolute;inset:0;
  background:var(--ink);clip-path:polygon(0 0,100% 0,0 100%);
  transition:background .35s;
}
/* wrapper for the popover */
.tweaks-wrap{position:relative;display:inline-block;line-height:0}
/* panel */
.tweaks-panel{
  position:absolute;top:calc(100% + 12px);right:0;z-index:8500;
  background:var(--bone);border:1px solid var(--line);padding:20px 22px;
  min-width:190px;display:none;
}
.tweaks-panel.open{display:block}
.tw-section{margin-bottom:18px}
.tw-section:last-child{margin-bottom:0}
.tw-label{
  display:block;font-family:var(--font-mono);font-size:9px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--umber);margin-bottom:10px;
}
/* dark mode toggle button inside panel */
.tw-dark-toggle{
  display:flex;align-items:center;gap:10px;width:100%;
  background:none;border:1px solid var(--ash);border-radius:0;
  padding:9px 12px;cursor:pointer;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--umber);transition:background .25s,color .25s,border-color .25s;
}
.tw-dark-toggle::before{
  content:'';width:14px;height:14px;flex:none;
  background:linear-gradient(135deg,currentColor 50%,transparent 50%);
  border:1px solid currentColor;
}
.tw-dark-toggle:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
[data-theme="dark"] .tw-dark-toggle{background:var(--rust);color:#F0EAD9;border-color:var(--rust)}
/* accent swatches */
.tw-swatches{display:flex;gap:8px;flex-wrap:wrap}
.tw-sw{
  width:28px;height:28px;border:2px solid transparent;border-radius:0;
  cursor:pointer;padding:0;transition:border-color .2s,transform .2s;
}
.tw-sw:hover{transform:scale(1.1)}
.tw-sw.active{border-color:var(--ink)}
.tw-sw[data-accent="rust"]{background:#A8472A}
.tw-sw[data-accent="moss"]{background:#3D6352}
.tw-sw[data-accent="clay"]{background:#B65A37}
.tw-sw[data-accent="steel"]{background:#4F635F}
/* texture buttons */
.tw-textures{display:flex;gap:8px}
.tw-tx{
  width:36px;height:28px;border:2px solid transparent;border-radius:0;
  cursor:pointer;padding:0;transition:border-color .2s;overflow:hidden;
  background:var(--paper);position:relative;flex-shrink:0;
}
.tw-tx:hover{border-color:var(--umber)}
.tw-tx.active{border-color:var(--ink)}
.tw-tx[data-texture="paper"]{
  background-image:radial-gradient(rgba(110,95,70,.3) .5px,var(--paper) .5px);
  background-size:3px 3px;
}
.tw-tx[data-texture="scanlines"]{
  background:repeating-linear-gradient(0deg,var(--paper),var(--paper) 3px,rgba(0,0,0,.2) 3px,rgba(0,0,0,.2) 4px);
}
.tw-tx[data-texture="none"]::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to bottom right,transparent calc(50% - .5px),var(--ash) calc(50% - .5px),var(--ash) calc(50% + .5px),transparent calc(50% + .5px));
}
/* mobile theme toggle */
.theme-toggle--mobile{
  all:unset;cursor:pointer;box-sizing:border-box;
  display:flex;align-items:center;gap:16px;width:100%;
  padding:18px 0;border-top:1px solid var(--indigo-line);
  font-family:var(--font-display);font-size:2rem;color:inherit;
}
.theme-toggle--mobile::before{
  content:'';width:26px;height:26px;flex:none;
  border:1.5px solid currentColor;
  background:linear-gradient(135deg,currentColor 50%,transparent 50%);
  transition:background .35s;
}

/* ============================================================
   OXIDE ACCENTS
   ============================================================ */
/* default accent is Rust — already in :root */
/* ---- Moss (oliva · musgo) ---- */
[data-accent="moss"]{
  --clay:#5E7A67;
  --rust:#3D6352;
  --oxide:#294540;
  --gold:#3D6352;
  --gold-light:#5E7A67;
  --gold-dark:#294540;
}
/* ---- Clay (terracota · cobre) ---- */
[data-accent="clay"]{
  --clay:#C8724F;
  --rust:#B65A37;
  --oxide:#7C3E26;
  --gold:#B65A37;
  --gold-light:#C8724F;
  --gold-dark:#7C3E26;
}
/* ---- Steel (aço · mar profundo) ---- */
[data-accent="steel"]{
  --clay:#688078;
  --rust:#4F635F;
  --oxide:#33433F;
  --gold:#4F635F;
  --gold-light:#688078;
  --gold-dark:#33433F;
}

/* ============================================================
   OXIDE NIGHT — dark theme
   ============================================================ */
[data-theme="dark"]{
  --paper:#13110E;
  --bone:#1C1916;
  --parchment:#100E0B;
  --ash:#2C2820;
  --ink:#EBE5D4;
  --umber:#8C7E6E;
  --clay:#C87850;
  --rust:#C05A38;
  --oxide:#D47050;

  --cream:#13110E;
  --cream-2:#100E0B;
  --indigo:#EBE5D4;
  --indigo-2:#201D18;
  --indigo-line:rgba(235,229,212,.10);
  --muted:#8C7E6E;
  --line:#2C2820;
  --gold:#C05A38;
  --gold-light:#D47050;
  --gold-dark:#A04530;
}
/* dark + moss accent: clay/rust brighter on dark bg */
[data-theme="dark"][data-accent="moss"]{
  --clay:#7EA88E;
  --rust:#5A7D6A;
  --oxide:#8AB09A;
  --gold:#5A7D6A;
  --gold-light:#7EA88E;
  --gold-dark:#3D6352;
}
[data-theme="dark"][data-accent="clay"]{
  --clay:#D4886A;
  --rust:#C0693E;
  --oxide:#E09080;
  --gold:#C0693E;
  --gold-light:#D4886A;
  --gold-dark:#A04528;
}
[data-theme="dark"][data-accent="steel"]{
  --clay:#8AADA6;
  --rust:#6A9190;
  --oxide:#9BBAB8;
  --gold:#6A9190;
  --gold-light:#8AADA6;
  --gold-dark:#4F635F;
}

/* smooth theme crossfade */
html.theme-changing *,html.theme-changing *::before,html.theme-changing *::after{
  transition:background-color .35s ease,color .35s ease,border-color .35s ease !important;
}

/* grain override for dark */
[data-theme="dark"] body::after{
  background-image:radial-gradient(rgba(235,229,212,.05) .5px,transparent .5px);
  mix-blend-mode:screen;opacity:.7;
}
/* texture: scanlines */
[data-texture="scanlines"] body::after{
  background-image:repeating-linear-gradient(0deg,transparent 0px,transparent 3px,rgba(0,0,0,.04) 3px,rgba(0,0,0,.04) 4px);
  background-size:100% 4px;opacity:.9;mix-blend-mode:multiply;
}
[data-theme="dark"][data-texture="scanlines"] body::after{
  background-image:repeating-linear-gradient(0deg,transparent 0px,transparent 3px,rgba(255,255,255,.04) 3px,rgba(255,255,255,.04) 4px);
  mix-blend-mode:screen;opacity:1;
}
/* texture: none */
[data-texture="none"] body::after{display:none}
/* header */
[data-theme="dark"] .header{background:rgba(19,17,14,.9)}
/* mobile nav stays dark-on-dark */
[data-theme="dark"] .mobile-nav{background:var(--bone);color:var(--ink)}
[data-theme="dark"] .mobile-nav a{color:var(--ink);border-bottom-color:var(--ash)}
/* CTA ink panel — fix text contrast */
[data-theme="dark"] .cta{background:var(--bone);border-top:1px solid var(--ash)}
[data-theme="dark"] .cta h2{color:var(--ink)}
[data-theme="dark"] .cta h2 em{color:var(--clay)}
[data-theme="dark"] .cta p{color:rgba(235,229,212,.65)}
[data-theme="dark"] .cta .btn[style]{color:#F0EAD9 !important}
/* footer — fix text contrast */
[data-theme="dark"] footer{background:var(--bone);color:var(--ink)}
/* next project — fix text contrast */
[data-theme="dark"] .next-proj{background:var(--bone);color:var(--ink)}
[data-theme="dark"] .next-proj:hover{background:var(--parchment)}
[data-theme="dark"] .next-proj h2{color:var(--ink)}
[data-theme="dark"] .next-proj h2 em{color:var(--clay)}
/* preloader */
[data-theme="dark"] .preloader{background:var(--paper)}
/* contact fields */
[data-theme="dark"] .field input,[data-theme="dark"] .field textarea{
  background:var(--bone);color:var(--ink);border-color:var(--ash);
}
[data-theme="dark"] .field input:focus,[data-theme="dark"] .field textarea:focus{border-color:var(--rust)}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width:960px){
  .header nav{display:none}
  .header .cta-mini{display:none}
  .wa-header-btn{width:34px;height:34px}
  .menu-btn{display:flex;flex-direction:column;gap:6px;padding:6px;color:var(--ink)}
  .menu-btn span{width:26px;height:1.5px;background:currentColor;transition:.4s var(--ease)}
  .mobile-nav{
    position:fixed;inset:0;z-index:7900;background:var(--ink);color:var(--paper);
    display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);
    clip-path:circle(0 at calc(100% - 44px) 40px);transition:clip-path .7s var(--ease);
  }
  .mobile-nav.open{clip-path:circle(150% at calc(100% - 44px) 40px)}
  .mobile-nav a{font-family:var(--font-display);font-size:2.4rem;padding:14px 0;border-bottom:1px solid var(--indigo-line)}
  body.nav-open .menu-btn span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  body.nav-open .menu-btn span:nth-child(2){opacity:0}
  body.nav-open .menu-btn span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

  .work-grid{grid-template-columns:1fr;gap:46px}
  .wc-a,.wc-b,.wc-c,.wc-d{grid-column:1/-1;margin-top:0;aspect-ratio:auto}
  .wc-a .frame,.wc-b .frame,.wc-c .frame,.wc-d .frame{height:auto;aspect-ratio:4/3.4}
  .pf-grid{grid-template-columns:1fr}
  .pf-grid .work-card:nth-child(even){transform:none}
  .work-card .info{flex-direction:column;align-items:flex-start;gap:6px}
  .about-teaser,.proj-text,.contact-grid,.coll-grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .svc-row{grid-template-columns:60px 1fr;gap:16px}
  .svc-row p{grid-column:1/-1;text-align:left;max-width:none}
  .svc-preview{display:none}
  .proj-gallery{grid-template-columns:1fr}

  /* hero mobile: mídia limpa em fluxo, sem cards flutuantes */
  .hero{min-height:auto;padding:120px var(--pad) 64px}
  .hero .hero-inner{display:flex;flex-direction:column}
  .float-card{display:none}
  .hero-media{display:none}
  .hero-bg-media{
    display:block;position:absolute;inset:0;z-index:1;pointer-events:none;
  }
  .hero-bg-media img,.hero-bg-media video{
    opacity:.22;
    -webkit-mask-image:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.8) 16%,black 44%,black 68%,transparent 100%);
    mask-image:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.8) 16%,black 44%,black 68%,transparent 100%);
  }
  .hero .scroll-hint{display:none}

  .strip{scroll-padding-left:var(--pad)}
  .strip figure{flex-basis:74%}
  .strip figcaption{opacity:1}
}
@media (max-width:960px){.mobile-nav{display:flex}}
@media (min-width:961px){.mobile-nav{display:none}}
@media (pointer:coarse){.strip figcaption{opacity:1}}