/* ============================================================
   Uni Óticas SPP — style.css  (V2 · Swiss minimalist + 3D)
   Apenas preto, branco e vermelho vivo. Tipografia forte
   (Space Grotesk + JetBrains Mono). Hairlines, sem sombras
   pesadas, layout assimétrico, transições de fade entre seções.
   ============================================================ */

/* ---- Tokens ---- */
:root{
  --black:#000;
  --white:#fff;
  --red:#ff1f1f;          /* vermelho vivo */
  --red-soft:rgba(255,31,31,.14);
  --red-glow:rgba(255,31,31,.55);
  --ink:#0a0a0c;          /* superfícies "preto" com tom mínimo */
  --paper:#fbfbfb;        /* offset levíssimo de branco */
  --ash:#9c9ca0;          /* cinza único p/ secundário */
  --ash-2:#5e5e62;
  --hair:rgba(0,0,0,.13);
  --hair-d:rgba(255,255,255,.16);
  --sans:'Space Grotesk','Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono','Fira Code',ui-monospace,monospace;
  --container:1320px;
  --gutter:clamp(20px,5vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;background:var(--white)}
body{
  font-family:var(--sans);background:var(--white);color:var(--black);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;letter-spacing:-.005em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
::selection{background:var(--red);color:#fff}

/* ---- Tipografia ---- */
h1,h2,h3,h4{font-family:var(--sans);font-weight:600;line-height:1.02;letter-spacing:-.03em}
h1{font-weight:700}
.mono,.tag-mono{
  font-family:var(--mono);font-size:.7rem;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;color:var(--ash-2);
}
.mono-red{color:var(--red)}
.mono-dot::before{content:"●";color:var(--red);margin-right:7px;font-size:.6rem;letter-spacing:0;vertical-align:1px}
.kicker{
  font-family:var(--mono);font-size:.7rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:14px;
}
.kicker::before{content:"";width:32px;height:1px;background:var(--red)}
.section--dark .kicker,.hero .kicker{color:var(--white)}

/* ---- Layout ---- */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(80px,11vw,160px) 0;position:relative}
.section--dark{background:var(--ink);color:var(--white)}
.section--white{background:var(--white);color:var(--black)}
.section--paper{background:var(--paper)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--white)}
.section + .section{border-top:1px solid var(--hair)}
.section--dark + .section,.section + .section--dark{border-top-color:var(--hair-d)}
.sec-head{display:grid;grid-template-columns:auto 1fr;gap:clamp(28px,5vw,80px);align-items:end;margin-bottom:clamp(40px,6vw,80px)}
.sec-head .num{font-family:var(--mono);font-size:.74rem;color:var(--ash-2);letter-spacing:.1em}
.sec-head h2{font-size:clamp(2.1rem,5.4vw,4.4rem);margin:14px 0 12px;letter-spacing:-.035em}
.sec-head h2 em{font-style:italic;color:var(--red);font-weight:500}
.sec-head p{color:var(--ash-2);font-size:1.04rem;max-width:48ch}
.section--dark .sec-head p{color:var(--ash)}

/* ---- Botões ---- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--sans);font-weight:500;font-size:.84rem;
  letter-spacing:.05em;
  padding:14px 24px;border-radius:0;border:1px solid currentColor;
  transition:background .25s var(--ease),color .2s,transform .25s var(--ease),box-shadow .25s var(--ease);
  position:relative;cursor:pointer;
}
.btn svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--red);color:#fff;border-color:var(--red)}
.btn-primary:hover{box-shadow:0 0 0 1px var(--red),0 0 28px var(--red-glow);transform:translateY(-2px)}
.btn-dark{background:var(--black);color:#fff;border-color:var(--black)}
.btn-dark:hover{background:var(--red);border-color:var(--red);transform:translateY(-2px)}
.btn-light{background:var(--white);color:var(--black);border-color:var(--white)}
.btn-light:hover{background:var(--red);color:#fff;border-color:var(--red);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--black);border-color:var(--black)}
.btn-ghost:hover{background:var(--black);color:#fff}
.section--dark .btn-ghost,.hero .btn-ghost{color:#fff;border-color:#fff}
.section--dark .btn-ghost:hover,.hero .btn-ghost:hover{background:var(--red);border-color:var(--red)}
.btn-wa{background:#1faf54;color:#fff;border-color:#1faf54}
.btn-wa:hover{box-shadow:0 0 28px rgba(31,175,84,.55);transform:translateY(-2px)}
.btn-block{width:100%;justify-content:center}
.btn-lg{padding:18px 30px;font-size:.86rem}
.link-arrow{
  font-family:var(--mono);font-weight:500;font-size:.74rem;
  letter-spacing:.14em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--red);
  padding-bottom:5px;color:var(--red);transition:gap .2s,letter-spacing .2s;
}
.link-arrow:hover{gap:16px;letter-spacing:.18em}

/* ---- Header ---- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:14px 0;
  background:rgba(255,255,255,.93);
  backdrop-filter:saturate(150%) blur(12px);-webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--hair);
  transition:padding .3s var(--ease);
}
.site-header.scrolled{padding:9px 0}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 var(--gutter);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;justify-content:center;gap:10px}
.brand img{
  height:108px;width:auto;display:block;
  /* mistura com fundo escuro/claro do header sem precisar de PNG transparente */
  background:transparent;mix-blend-mode:normal;
}
@media(max-width:760px){.brand img{height:74px}}
.brand .bm{
  display:none;font-family:var(--sans);font-weight:600;font-size:1.05rem;letter-spacing:-.02em;color:inherit;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px}
.nav-right{justify-content:flex-end}
.nav-link{
  font-family:var(--mono);font-size:.74rem;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;color:inherit;
  position:relative;padding:6px 0;opacity:.78;transition:opacity .2s;
}
.nav-link:hover,.nav-link.active{opacity:1;color:var(--red)}
.nav-link.active::before{content:"●";color:var(--red);font-size:.55rem;margin-right:8px}
.header-cta{
  font-family:var(--mono);font-size:.74rem;font-weight:500;letter-spacing:.1em;
  text-transform:uppercase;padding:10px 18px;border:1px solid currentColor;
  transition:background .2s,color .2s,border-color .2s;
}
.header-cta:hover{background:var(--red);color:#fff;border-color:var(--red)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;width:42px}
.nav-toggle span{height:1.5px;width:22px;background:currentColor;transition:.25s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---- HERO 3D (Inovação Espacial) ---- */
.hero{
  position:relative;background:#000;color:#fff;
  min-height:min(100vh,820px);display:flex;align-items:center;
  padding:clamp(130px,18vh,180px) 0 clamp(70px,10vh,110px);
  overflow:hidden;isolation:isolate;
}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block}
.hero::before{ /* halo vermelho intenso ao centro + pulsação */
  content:"";position:absolute;left:55%;top:48%;width:90vw;height:90vw;
  max-width:1050px;max-height:1050px;transform:translate(-50%,-50%);
  background:
    radial-gradient(circle at 35% 50%, rgba(255,40,40,.32) 0%, rgba(255,31,31,.18) 28%, transparent 60%),
    radial-gradient(circle at 65% 50%, rgba(255,80,40,.14) 0%, transparent 55%);
  pointer-events:none;z-index:0;
  animation:heroHaloPulse 7s ease-in-out infinite;filter:blur(.5px);
}
@keyframes heroHaloPulse{
  0%,100%{opacity:.85;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.05)}
}
html.lite .hero::before{animation:none}
.hero::after{ /* gradiente bottom/top pra legibilidade da copy sobre o vídeo */
  content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
  background:
    linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,0) 28%,rgba(0,0,0,0) 60%,rgba(0,0,0,.88) 100%),
    linear-gradient(90deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,0) 55%);
}
/* vídeo de fundo do hero */
.hero-video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;display:block;
  opacity:.55;filter:saturate(.9) contrast(1.08);
  pointer-events:none;
}
.hero-video.hidden{display:none}
/* fallback Ken Burns: se vídeo não carregar, mostra imagem com zoom-pan lento */
.hero-bg-fallback{
  position:absolute;inset:0;width:100%;height:100%;z-index:0;
  background:#000 center/cover no-repeat;opacity:0;transition:opacity .6s var(--ease);
  pointer-events:none;
}
.hero-bg-fallback.show{opacity:.45;animation:kenBurns 18s ease-in-out infinite alternate}
@keyframes kenBurns{
  0%{transform:scale(1.02) translate(0,0)}
  100%{transform:scale(1.14) translate(-2%,-3%)}
}
.hero-meta{
  position:absolute;left:var(--gutter);right:var(--gutter);top:96px;
  display:flex;justify-content:space-between;align-items:center;z-index:5;
  color:rgba(255,255,255,.5);font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  pointer-events:none;
}
.hero-meta .lhs::before{content:"●";color:var(--red);margin-right:8px;font-size:.55rem;animation:hpulse 2s infinite}
@keyframes hpulse{0%,100%{opacity:1;text-shadow:0 0 6px var(--red)}50%{opacity:.4;text-shadow:none}}

.hero-grid{
  position:relative;z-index:2;width:100%;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(36px,6vw,80px);align-items:center;
}
.hero-copy{max-width:640px}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .hero-copy{max-width:760px}
}
.hero h1{
  font-size:clamp(2.7rem,7.4vw,6rem);color:#fff;font-weight:600;
  letter-spacing:-.045em;line-height:.96;margin:18px 0 24px;
}
.hero h1 .ln{display:block}
.hero h1 em{font-style:italic;color:var(--red);font-weight:400}
.hero-lead{
  font-size:clamp(1.02rem,1.4vw,1.22rem);color:rgba(255,255,255,.78);
  max-width:38em;margin-bottom:32px;line-height:1.5;
}
.hero-lead b{color:#fff;font-weight:500}
.hero-lead em{font-style:normal;color:var(--red);font-weight:500}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* Trust bar do hero (substitui hero-foot) */
.hero-trust{
  position:relative;z-index:5;width:100%;max-width:960px;
  margin-top:clamp(30px,5vw,52px);
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);padding-top:22px;gap:0;
}
.hero-trust .ht{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.55);border-right:1px solid rgba(255,255,255,.08);
  padding:0 16px 0 0;line-height:1.45;
}
.hero-trust .ht:last-child{border-right:0;padding-right:0}
.hero-trust .ht:first-child{padding-left:0}
.hero-trust b{
  display:block;color:var(--red);font-size:.92rem;font-weight:600;
  letter-spacing:.04em;margin-bottom:4px;
}
@media(max-width:760px){
  .hero-trust{grid-template-columns:repeat(2,1fr);gap:18px 0;padding-top:18px}
  .hero-trust .ht:nth-child(2){border-right:0;padding-right:0}
  .hero-trust .ht:nth-child(3){padding-left:0}
}

/* header é sempre branco frosted — logo aparece nas cores reais (vinho/preto/dourado) */

/* ---- Form / Contato ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:start}
.contact-aside .lead{font-size:clamp(1.7rem,3.4vw,2.4rem);color:var(--black);font-weight:500;letter-spacing:-.025em;line-height:1.18;margin:16px 0 16px;max-width:14ch}
.contact-aside p{color:var(--ash-2);max-width:36ch}
.contact-list{margin-top:30px;border-top:1px solid var(--hair)}
.contact-list li{padding:18px 0;border-bottom:1px solid var(--hair);display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.contact-list .mono{min-width:48px}
.contact-list b{display:block;font-weight:500;font-size:.98rem;color:var(--black);letter-spacing:-.01em}
.contact-list span{color:var(--ash-2);font-size:.92rem}
.form-card{background:var(--white);border:1px solid var(--hair);padding:clamp(28px,3.5vw,40px)}
.form-card h3{font-size:1.55rem;font-weight:500;letter-spacing:-.02em;margin-bottom:8px}
.form-card .form-sub{font-size:.88rem;color:var(--ash-2);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--ash-2);margin-bottom:8px}
.field input,.field select{
  width:100%;font-family:var(--sans);font-size:1rem;color:var(--black);
  padding:13px 0;background:transparent;border:0;border-bottom:1px solid var(--hair);
  border-radius:0;transition:border-color .2s;
}
.field input::placeholder{color:var(--ash)}
.field input:focus,.field select:focus{border-bottom-color:var(--red);outline:none}
.field input.invalid,.field select.invalid{border-bottom-color:var(--red);background:var(--red-soft)}
.field select{
  appearance:none;-webkit-appearance:none;-moz-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 7' fill='none' stroke='%23ff1f1f' stroke-width='1.6'><path d='M1 1l5 5 5-5'/></svg>");
  background-repeat:no-repeat;background-position:right 4px center;background-size:12px 7px;
  padding-right:24px;
}
.field select option{color:var(--black);background:#fff;font-family:var(--sans)}
.form-note{font-size:.78rem;color:var(--ash);margin:6px 0 22px;line-height:1.55}
.form-note a{color:var(--red);text-decoration:underline}
.form-success{display:none;text-align:left;padding:8px 0}
.form-success.show{display:block;animation:fade .35s var(--ease)}
.form-success .ok-mark{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;background:var(--red);color:#fff;margin-bottom:18px}
.form-success .ok-mark svg{width:18px;height:18px}
.form-success h3{font-size:1.55rem;font-weight:500;letter-spacing:-.02em;margin-bottom:8px}
.form-success p{color:var(--ash-2);font-size:.94rem;margin-bottom:20px;max-width:34ch}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---- Diferenciais ---- */
.perks{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--hair-d);border-left:1px solid var(--hair-d)}
.perk{padding:36px 28px;border-right:1px solid var(--hair-d);border-bottom:1px solid var(--hair-d);position:relative}
.perk .pk-num{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--ash);margin-bottom:34px}
.perk .pk-num::before{content:"●";color:var(--red);margin-right:7px;font-size:.55rem}
.perk h3{font-size:1.3rem;font-weight:500;letter-spacing:-.02em;color:#fff;margin-bottom:8px}
.perk p{font-size:.9rem;color:rgba(255,255,255,.6)}
.badges{display:grid;grid-template-columns:repeat(4,1fr);margin-top:40px;border-top:1px solid var(--hair-d)}
.badge{padding:22px 16px;display:flex;align-items:center;gap:12px;border-right:1px solid var(--hair-d);font-size:.84rem;color:#fff}
.badge:last-child{border-right:0}
.badge svg{width:18px;height:18px;stroke:var(--red);flex-shrink:0}

/* ---- Antes / Depois ---- */
.ba{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,5vw,80px);align-items:center}
.ba-slider{position:relative;overflow:hidden;aspect-ratio:16/11;user-select:none;border:1px solid var(--hair);touch-action:pan-y;background:#000}
.ba-slider img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-after{z-index:1}
.ba-before{z-index:2;clip-path:inset(0 50% 0 0)}
.ba-before-blur{filter:blur(8px) saturate(.7) brightness(.88);transform:scale(1.07)}
.ba-label{position:absolute;z-index:3;top:14px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;padding:6px 11px}
.ba-label.l{left:14px;background:rgba(0,0,0,.78);color:#fff}
.ba-label.r{right:14px;background:var(--red);color:#fff}
.ba-handle{position:absolute;z-index:4;top:0;bottom:0;left:50%;width:1px;background:var(--red);box-shadow:0 0 14px var(--red-glow);transform:translateX(-50%)}
.ba-knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;background:#000;
  border:1px solid var(--red);display:grid;place-items:center;cursor:ew-resize;
  box-shadow:0 0 24px var(--red-glow);
}
.ba-knob svg{width:20px;height:20px;stroke:var(--red)}

/* ---- Produtos ---- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--hair);border-left:1px solid var(--hair)}
.prod-card{position:relative;display:block;background:var(--white);border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:0;transition:background .3s}
.prod-card .ph{aspect-ratio:4/3;overflow:hidden;background:#000}
.prod-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease);opacity:.92}
.prod-card:hover .ph img{transform:scale(1.06);opacity:1}
.prod-card .pc-body{padding:26px 26px 28px;position:relative}
.prod-card .pc-body::before{content:"";position:absolute;left:26px;top:0;width:32px;height:1px;background:var(--red)}
.prod-card h3{font-size:1.36rem;font-weight:500;letter-spacing:-.02em;margin:18px 0 8px}
.prod-card p{font-size:.9rem;color:var(--ash-2);margin-bottom:14px}
.prod-card .pc-go{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);display:inline-flex;align-items:center;gap:9px;transition:gap .2s}
.prod-card:hover .pc-go{gap:14px}

/* categorias da página produtos */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--hair);border-left:1px solid var(--hair)}
.cat-card{
  background:var(--white);border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);
  padding:32px;display:grid;grid-template-columns:auto 1fr;gap:22px;transition:background .25s;
}
.cat-card:hover{background:var(--paper)}
.cat-card--feat:hover{background:var(--ink)}   /* corrige bug: feat permanece escuro no hover */
.cat-num{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;color:var(--red)}
.cat-card h3{font-size:1.4rem;font-weight:500;letter-spacing:-.02em;margin-bottom:8px}
.cat-card p{color:var(--ash-2);font-size:.95rem}
.cat-card .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.cat-card .tags span{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ash-2);border:1px solid var(--hair);padding:5px 10px}
.cat-card--feat{grid-column:1/-1;background:var(--ink);color:#fff;border-color:var(--hair-d)}
.cat-card--feat h3{color:#fff}
.cat-card--feat p{color:rgba(255,255,255,.65)}
.cat-card--feat .cat-num{color:var(--red)}
.cat-card--feat .tags span{border-color:var(--hair-d);color:rgba(255,255,255,.7)}
.dev-badge{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--red);border:1px solid var(--red);padding:8px 14px;
}
.dev-badge::before{content:"";width:7px;height:7px;background:var(--red);box-shadow:0 0 10px var(--red);animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---- Instagram ---- */
.ig-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:18px;margin-bottom:40px}
.ig-head h2{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:500;letter-spacing:-.025em}
.ig-carousel{position:relative}
.ig-viewport{overflow:hidden;border:1px solid var(--hair)}
.ig-track{display:flex;transition:transform .55s var(--ease)}
.ig-slide{flex:0 0 33.333%;padding:0;box-sizing:border-box;border-right:1px solid var(--hair)}
.ig-slide:last-child{border-right:0}
.ig-slide a{display:block;position:relative;overflow:hidden}
.ig-slide img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .55s var(--ease);filter:grayscale(.06)}
.ig-slide a:hover img{transform:scale(1.04);filter:grayscale(0)}
.ig-slide a::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,0);transition:background .25s}
.ig-slide a:hover::after{background:rgba(0,0,0,.18)}
.ig-arrows{display:flex;gap:0}
.ig-arrow{
  width:48px;height:48px;border:1px solid var(--hair);display:grid;place-items:center;
  color:var(--black);transition:.2s;margin-left:-1px;
}
.ig-arrow:hover{background:var(--red);color:#fff;border-color:var(--red)}
.ig-arrow svg{width:18px;height:18px}
.ig-dots{display:flex;justify-content:center;gap:10px;margin-top:24px}
.ig-dot{width:24px;height:1px;background:var(--hair);transition:.25s}
.ig-dot.active{background:var(--red);box-shadow:0 0 8px var(--red-glow);height:2px}

/* ---- Localização ---- */
.local-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,64px);align-items:stretch}
.local-info{display:flex;flex-direction:column;justify-content:center}
.local-info .addr{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:500;letter-spacing:-.025em;line-height:1.25;margin:16px 0 22px;max-width:14ch}
.local-rows{margin-top:6px;border-top:1px solid var(--hair)}
.local-rows>div{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--hair);font-size:.94rem;color:var(--ash-2);align-items:center}
.local-rows svg{width:16px;height:16px;stroke:var(--red);flex-shrink:0}
.local-map{border:1px solid var(--hair);overflow:hidden;min-height:340px;position:relative}
.local-map iframe{width:100%;height:100%;min-height:340px;border:0;display:block;filter:grayscale(1) contrast(1.05)}
.local-map:hover iframe{filter:none}
.local-map::after{content:"";position:absolute;inset:0;border:1px solid var(--red);opacity:0;pointer-events:none;transition:opacity .3s}
.local-map:hover::after{opacity:.6}

/* ---- CTA final ---- */
.cta-final{text-align:left;position:relative;overflow:hidden}
.cta-final::before{
  content:"";position:absolute;left:50%;top:0;width:1px;height:60px;background:var(--red);transform:translateX(-50%);
}
.cta-final .grid2{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,60px);align-items:end}
.cta-final h2{font-size:clamp(2.2rem,5.6vw,4.4rem);color:#fff;font-weight:500;letter-spacing:-.035em;line-height:.98}
.cta-final h2 em{font-style:italic;color:var(--red);font-weight:400}
.cta-final p{color:rgba(255,255,255,.65);max-width:40ch;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---- Footer ---- */
.site-footer{background:#000;color:rgba(255,255,255,.65);padding:clamp(56px,7vw,86px) 0 28px;border-top:1px solid var(--hair-d)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}
.footer-brand img{height:50px;width:auto;filter:brightness(0) invert(1);margin-bottom:18px}
.footer-brand .wm-sub{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.footer-brand p{font-size:.92rem;margin-top:14px;max-width:28em;color:rgba(255,255,255,.6)}
.footer-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:18px}
.footer-col a,.footer-col p{display:block;font-size:.9rem;color:rgba(255,255,255,.6);padding:5px 0;transition:color .2s}
.footer-col a:hover{color:var(--red)}
.footer-social{display:flex;gap:0;margin-top:8px}
.footer-social a{width:42px;height:42px;border:1px solid var(--hair-d);display:grid;place-items:center;color:#fff;transition:.2s;margin-left:-1px}
.footer-social a:hover{background:var(--red);border-color:var(--red)}
.footer-social svg{width:18px;height:18px}
.footer-bottom{margin-top:50px;padding-top:24px;border-top:1px solid var(--hair-d);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--red)}

/* ---- WhatsApp flutuante (circular LED verde brilhante) ---- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  width:62px;height:62px;border-radius:50%;
  background:#1faf54;color:#fff;display:grid;place-items:center;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  /* multi-layer LED verde claro brilhante */
  box-shadow:
    0 0 0 2px rgba(80,255,140,.85),
    0 0 18px rgba(31,200,90,.85),
    0 0 36px rgba(60,255,130,.55),
    inset 0 -8px 18px rgba(0,90,30,.35);
  animation:waLedPulse 2.4s ease-in-out infinite;
}
.wa-float:hover{
  transform:scale(1.08);
  box-shadow:
    0 0 0 2px rgba(120,255,170,1),
    0 0 28px rgba(60,255,140,1),
    0 0 60px rgba(80,255,150,.7),
    inset 0 -8px 18px rgba(0,90,30,.35);
}
.wa-float svg{width:28px;height:28px;filter:drop-shadow(0 1px 2px rgba(0,40,15,.4))}
.wa-float::after{
  content:"";position:absolute;inset:-2px;border-radius:50%;
  border:1.5px solid rgba(80,255,140,.9);
  animation:waRing 2.6s ease-out infinite;pointer-events:none;
}
.wa-float::before{
  content:"";position:absolute;inset:-2px;border-radius:50%;
  border:1.5px solid rgba(80,255,140,.7);
  animation:waRing 2.6s ease-out 1.3s infinite;pointer-events:none;
}
@keyframes waRing{0%{transform:scale(1);opacity:.85}100%{transform:scale(1.85);opacity:0}}
@keyframes waLedPulse{
  0%,100%{box-shadow:0 0 0 2px rgba(80,255,140,.85),0 0 18px rgba(31,200,90,.85),0 0 36px rgba(60,255,130,.55),inset 0 -8px 18px rgba(0,90,30,.35)}
  50%{box-shadow:0 0 0 3px rgba(120,255,170,1),0 0 26px rgba(60,255,140,1),0 0 50px rgba(80,255,150,.75),inset 0 -8px 18px rgba(0,90,30,.35)}
}
html.lite .wa-float{animation:none}
html.lite .wa-float::after,html.lite .wa-float::before{animation:none;opacity:0}

/* ---- Cookie banner ---- */
.cookie{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:85;max-width:560px;
  margin:0 auto;background:#000;color:#fff;border:1px solid var(--hair-d);
  padding:18px 20px;display:none;gap:16px;align-items:center;flex-wrap:wrap;
}
.cookie.show{display:flex;animation:fade .35s var(--ease)}
.cookie p{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;color:rgba(255,255,255,.7);flex:1;min-width:200px;text-transform:none}
.cookie p a{color:var(--red);text-decoration:underline}
.cookie .btn{padding:11px 18px;font-size:.74rem;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase}

/* ---- Páginas internas ---- */
.page-hero{background:#000;color:#fff;padding:160px 0 70px;position:relative;overflow:hidden;border-bottom:1px solid var(--hair-d)}
.page-hero::before{content:"";position:absolute;top:-30%;right:-5%;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(255,31,31,.16),transparent 70%)}
.page-hero .inner{position:relative}
.page-hero h1{font-size:clamp(2.4rem,6vw,4.4rem);color:#fff;font-weight:600;letter-spacing:-.035em;margin:16px 0 12px}
.page-hero p{color:rgba(255,255,255,.7);max-width:50em}
.crumbs{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.crumbs a:hover{color:var(--red)}
.prose{max-width:780px;margin:0 auto}
.prose h2{font-family:var(--sans);font-size:1.55rem;font-weight:500;letter-spacing:-.02em;margin:36px 0 12px}
.prose h3{font-family:var(--sans);font-size:1.15rem;font-weight:500;margin:24px 0 8px}
.prose p,.prose li{color:var(--ash-2);font-size:.98rem;margin-bottom:12px;line-height:1.75}
.prose ul{padding-left:22px;list-style:disc;margin-bottom:12px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--black)}
.prose a{color:var(--red);text-decoration:underline}
.prose .updated{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ash);margin-bottom:30px}

/* ---- Fade entre seções ---- */
.section-fade{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.section-fade.in{opacity:1;transform:none}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s} .reveal.d2{transition-delay:.16s} .reveal.d3{transition-delay:.24s}

/* ---- Como pagar (band destacada) ---- */
.pay-band{background:#000;color:#fff;padding:clamp(70px,9vw,118px) 0;border-top:1px solid var(--hair-d);border-bottom:1px solid var(--hair-d);position:relative;overflow:hidden}
.pay-band::before{content:"";position:absolute;left:50%;top:0;width:1px;height:46px;background:var(--red);transform:translateX(-50%)}
.pay-band .kicker{color:#fff;margin-bottom:46px}
.pay-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--hair-d)}
.pay{padding:46px 36px 50px;border-right:1px solid var(--hair-d);border-bottom:1px solid var(--hair-d);position:relative;transition:background .3s var(--ease)}
.pay:last-child{border-right:0}
.pay:hover{background:rgba(255,31,31,.05)}
.pay::after{content:"";position:absolute;left:0;top:0;width:0;height:1px;background:var(--red);transition:width .5s var(--ease)}
.pay:hover::after{width:100%}
.pay-num{font-family:var(--mono);font-size:.76rem;letter-spacing:.2em;color:var(--red);margin-bottom:30px;text-transform:uppercase}
.pay h3{font-size:clamp(2.2rem,4.6vw,3.6rem);color:#fff;font-weight:500;letter-spacing:-.035em;line-height:1.02;margin-bottom:16px}
.pay h3 em{font-style:italic;color:var(--red);font-weight:400}
.pay p{color:rgba(255,255,255,.7);font-size:1.02rem;max-width:34ch;line-height:1.6}
@media(max-width:760px){.pay-grid{grid-template-columns:1fr}.pay{padding:36px 24px}.pay:last-child{border-bottom:0}}

/* ---- Carrossel Instagram (contador) ---- */
.ig-controls{display:flex;align-items:center;gap:22px}
.ig-count{font-family:var(--mono);font-size:.78rem;letter-spacing:.16em;color:var(--ash-2);min-width:64px;text-align:right}
.ig-count em{font-style:normal;color:var(--red)}

/* ---- Responsivo ---- */
@media(max-width:1024px){
  .contact-grid,.ba,.local-grid,.cta-final .grid2{grid-template-columns:1fr;gap:34px}
  .perks,.badges{grid-template-columns:repeat(2,1fr)}
  .prod-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sec-head{grid-template-columns:1fr;gap:14px}
}
@media(max-width:760px){
  .nav-left,.nav-right .nav-link{display:none}
  .header-inner{grid-template-columns:auto 1fr auto}
  .brand{justify-content:flex-start}
  .nav-toggle{display:flex}
  .mobile-nav{
    position:fixed;inset:0 0 0 auto;width:min(82vw,330px);z-index:95;
    background:#000;color:#fff;transform:translateX(100%);
    transition:transform .32s var(--ease);display:flex;flex-direction:column;
    padding:84px 30px 30px;gap:0;border-left:1px solid var(--hair-d);
  }
  .mobile-nav.open{transform:translateX(0)}
  .mobile-nav a{font-family:var(--mono);font-size:.86rem;letter-spacing:.12em;text-transform:uppercase;padding:18px 0;border-bottom:1px solid var(--hair-d);display:flex;justify-content:space-between;align-items:center;color:#fff}
  .mobile-nav a:hover{color:var(--red)}
  .mobile-nav .btn{margin-top:24px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase}
  .nav-scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:94;opacity:0;visibility:hidden;transition:.3s}
  .nav-scrim.open{opacity:1;visibility:visible}
  .perks,.badges,.prod-grid,.cat-grid,.footer-grid{grid-template-columns:1fr}
  .hero-meta{top:78px;font-size:.62rem}
  .btn{width:100%;justify-content:center}
  .hero-actions .btn,.cta-actions .btn,.form-success a.btn{width:auto}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
}
.mobile-nav{display:none}
@media(max-width:760px){.mobile-nav{display:flex}}
@media(max-width:430px){
  .hero h1{font-size:2.5rem}
  .section{padding:64px 0}
  .perk{padding:26px 22px}
}

/* ---- Acessibilidade / lite (PC fraco) ---- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
}
html.lite .hero::before,html.lite .page-hero::before{opacity:.5;filter:none}
html.lite .hero-canvas{opacity:.4}
html.lite .hero-video{opacity:.42;filter:none}
html.lite .hero-bg-fallback.show{animation:none}
html.lite .wa-float::after,html.lite .dev-badge::before,html.lite .hero-meta .lhs::before{animation:none}
html.lite .local-map iframe{filter:none}

/* ============================================================
   ADIÇÕES — selo pay-tag, FAQ accordion, IG mosaico, btn-sm
   ============================================================ */

/* Selo "SEM ENTRADA" dentro dos cards de pagamento */
.pay-tag{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:var(--red);border:1px solid var(--red);padding:7px 13px;margin:22px 0 18px;
}
.pay-tag::before{content:"";width:6px;height:6px;background:var(--red);box-shadow:0 0 10px var(--red);animation:blink 1.8s infinite}

/* Botão pequeno (usado em cards) */
.btn-sm{padding:11px 18px;font-size:.78rem}

/* FAQ accordion (compartilhado entre index.html e faq.html) */
.faq{border-top:1px solid var(--hair)}
.section--dark .faq{border-top-color:var(--hair-d)}
.faq details{border-bottom:1px solid var(--hair);padding:0}
.section--dark .faq details{border-bottom-color:var(--hair-d)}
.faq summary{
  list-style:none;cursor:pointer;padding:26px 0;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  font-family:var(--sans);font-size:clamp(1.05rem,1.6vw,1.28rem);
  font-weight:500;letter-spacing:-.015em;color:inherit;
  transition:color .2s;
}
.faq summary:hover{color:var(--red)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-family:var(--mono);color:var(--red);font-size:1.5rem;
  transition:transform .25s var(--ease);font-weight:300;line-height:1;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{color:var(--red)}
.faq details>p,.faq details>.faq-body{
  padding:0 0 26px;color:var(--ash-2);font-size:.98rem;line-height:1.72;max-width:64ch;
}
.section--dark .faq details>p,.section--dark .faq details>.faq-body{color:rgba(255,255,255,.7)}
.faq details a{color:var(--red);text-decoration:underline}
.faq-group{margin-bottom:clamp(40px,5vw,72px)}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ash-2);margin-bottom:8px;display:flex;align-items:center;gap:12px;
}
.faq-group-title::before{content:"";width:24px;height:1px;background:var(--red)}

/* Carrossel Instagram → MOSAICO (substitui .ig-carousel) */
.ig-section-grid{
  display:grid;grid-template-columns:.85fr 1.15fr;
  gap:clamp(28px,4vw,64px);align-items:center;
}
.ig-side{display:flex;flex-direction:column;justify-content:center;padding:0 clamp(0px,2vw,16px)}
.ig-side .kicker{margin-bottom:18px}
.ig-side h3{
  font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:500;letter-spacing:-.025em;
  margin:0 0 16px;line-height:1.18;color:var(--black);
}
.ig-side p{color:var(--ash-2);font-size:1rem;margin-bottom:22px;max-width:34ch}
.ig-side .ig-stats{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ash-2);margin-bottom:24px;display:flex;gap:18px;flex-wrap:wrap;
}
.ig-side .ig-stats b{color:var(--red);font-weight:500}
.ig-side .btn{align-self:flex-start;width:auto}
.ig-mosaic{
  display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:1fr 1fr;
  gap:6px;border:1px solid var(--hair);background:var(--hair);
}
.ig-mosaic a{position:relative;overflow:hidden;display:block;background:#000}
.ig-mosaic a:first-child{grid-row:1/3}
.ig-mosaic img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .55s var(--ease),opacity .35s;opacity:.92;
}
.ig-mosaic a:hover img{transform:scale(1.06);opacity:1}
.ig-mosaic a::before{
  content:"";position:absolute;inset:0;background:rgba(0,0,0,0);transition:background .25s;
}
.ig-mosaic a:hover::before{background:rgba(0,0,0,.28)}
.ig-mosaic a::after{
  content:"VER NO IG ↗";position:absolute;left:14px;bottom:14px;
  font-family:var(--mono);font-size:.66rem;font-weight:500;letter-spacing:.14em;
  color:#fff;background:rgba(0,0,0,.78);padding:7px 12px;
  opacity:0;transform:translateY(8px);transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.ig-mosaic a:hover::after{opacity:1;transform:none}
@media(max-width:1024px){
  .ig-section-grid{grid-template-columns:1fr;gap:36px}
  .ig-side{padding:0}
}
@media(max-width:760px){
  .ig-mosaic{grid-template-columns:1fr 1fr;grid-template-rows:auto auto auto}
  .ig-mosaic a:first-child{grid-row:1;grid-column:1/3;aspect-ratio:4/3}
}

/* Botão "Como chegar?" inline na seção Local */
.local-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.local-actions .btn{flex:0 0 auto}

/* ============================================================
   ADIÇÕES — animação SVG dos óculos no hero, pay-grid 3 cols,
   IG mais compacto, pulsações LED, header solid no scroll
   ============================================================ */

/* === LOGO STAGE — logo Uni Óticas com halo vermelho difuso atrás + frase ===
   Direção minimalista: sem moldura, sem borda, sem giro.
   Apenas a logo (cores originais), um glow vermelho atrás, uma frase abaixo. */
.logo-stage{
  position:relative;width:100%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:clamp(20px,3vw,40px) 0;
  gap:clamp(18px,2.2vw,28px);
}

/* Halo vermelho difuso atrás da logo — luz, não moldura */
.logo-halo{
  position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);
  width:clamp(300px,42vw,560px);height:clamp(300px,42vw,560px);
  background:
    radial-gradient(circle,
      rgba(255,31,31,.68) 0%,
      rgba(255,31,31,.32) 22%,
      rgba(255,31,31,.10) 50%,
      transparent 75%);
  filter:blur(48px);
  z-index:0;pointer-events:none;
  animation:haloBreath 5.5s ease-in-out infinite;
}
@keyframes haloBreath{
  0%,100%{opacity:.85;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.06)}
}

/* Logo PNG — grande, cores originais preservadas, presença vermelha via drop-shadow */
.logo-art{
  position:relative;z-index:2;
  width:clamp(240px,34vw,380px);height:auto;display:block;
  filter:
    drop-shadow(0 0 14px rgba(255,31,31,.6))
    drop-shadow(0 0 36px rgba(255,31,31,.35))
    drop-shadow(0 8px 24px rgba(0,0,0,.55));
}

/* Frase abaixo da logo — elegante, "confiável" em vermelho italic */
.logo-caption{
  position:relative;z-index:2;
  font-family:var(--sans);font-size:clamp(1.05rem,1.55vw,1.34rem);
  font-weight:400;letter-spacing:-.005em;line-height:1.4;
  color:rgba(255,255,255,.9);
  text-align:center;max-width:32ch;
  text-shadow:0 0 18px rgba(0,0,0,.7);
  margin:0;
}
.logo-caption em{
  font-style:italic;color:var(--red);font-weight:500;
  text-shadow:0 0 14px rgba(255,31,31,.4);
}

/* Hero grid: copy ESQUERDA (1.05fr) / logo DIREITA (.95fr) */
.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center}
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .logo-stage{order:-1}  /* logo no topo em mobile (atrai olhar primeiro) */
}

/* Lite/reduced motion */
html.lite .logo-halo{animation:none;opacity:.7;filter:blur(36px)}

/* Mobile — logo um pouco menor */
@media(max-width:760px){
  .logo-art{width:min(280px,72vw)}
  .logo-halo{width:min(380px,90vw);height:min(380px,90vw)}
}

/* Pagar — passar de 2 colunas pra 3 colunas (Cartão + Crediário + Conta de Luz) */
.pay-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:1024px){.pay-grid{grid-template-columns:1fr 1fr}.pay:nth-child(3){grid-column:1/-1;border-right:0}}
@media(max-width:760px){.pay-grid{grid-template-columns:1fr}.pay{padding:36px 24px}.pay:nth-child(3){grid-column:auto}.pay:last-child{border-bottom:0}}
.pay h3{font-size:clamp(1.8rem,3.4vw,2.8rem)}
.pay p{font-size:.96rem}

/* IG mosaico — mais compacto */
.ig-mosaic{max-height:460px;aspect-ratio:auto}
.ig-mosaic a img{aspect-ratio:auto}
@media(max-width:1024px){.ig-mosaic{max-height:520px}}
@media(max-width:760px){.ig-mosaic{max-height:none}}

/* LEDs e pulsações adicionais (correção #7) */
.mono-dot::before,.mono-red::before{animation:ledBlink 2.4s ease-in-out infinite}
@keyframes ledBlink{0%,100%{opacity:1;text-shadow:0 0 6px var(--red)}50%{opacity:.45;text-shadow:none}}
.badge svg{filter:drop-shadow(0 0 4px rgba(255,31,31,.4))}
.perks .pk-num::before{animation:ledBlink 2.6s ease-in-out infinite}
.kicker::before{animation:kickerLed 3s ease-in-out infinite}
@keyframes kickerLed{
  0%,100%{box-shadow:0 0 0 rgba(255,31,31,0);background:var(--red)}
  50%{box-shadow:0 0 8px rgba(255,31,31,.7);background:#ff4242}
}
html.lite .mono-dot::before,html.lite .mono-red::before,
html.lite .perks .pk-num::before,html.lite .kicker::before{animation:none}

/* Header — backdrop mais sólido no scroll pra logo grande não brigar com fundo */
.site-header.scrolled{
  background:rgba(255,255,255,.97);
  border-bottom-color:rgba(0,0,0,.08);
  box-shadow:0 8px 24px rgba(0,0,0,.05);
}

/* ============================================================
   HERO BG — orbs vermelhos flutuando + grid hairline + vinheta
   Identidade Unioticas: preto void + vermelho LED #ff1f1f
   ============================================================ */

.hero-bg{
  position:absolute;inset:0;z-index:0;
  overflow:hidden;pointer-events:none;
}

/* Orbes vermelhos brilhantes flutuando lentamente */
.orb{
  position:absolute;border-radius:50%;
  filter:blur(70px);will-change:transform;mix-blend-mode:screen;
}
.orb-1{
  width:520px;height:520px;
  background:radial-gradient(circle,rgba(255,31,31,.55) 0%,rgba(255,31,31,.15) 40%,transparent 70%);
  top:-12%;left:-10%;
  animation:orbDrift 22s ease-in-out infinite;
}
.orb-2{
  width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,80,80,.4) 0%,rgba(255,80,80,.1) 40%,transparent 70%);
  bottom:-18%;right:-8%;
  animation:orbDrift 28s ease-in-out infinite reverse;
}
.orb-3{
  width:280px;height:280px;
  background:radial-gradient(circle,rgba(255,255,255,.08) 0%,rgba(255,255,255,.02) 40%,transparent 70%);
  top:36%;right:18%;
  animation:orbDrift 18s ease-in-out infinite 3s;
}
.orb-4{
  width:240px;height:240px;
  background:radial-gradient(circle,rgba(255,31,31,.45) 0%,rgba(255,31,31,.1) 40%,transparent 70%);
  bottom:18%;left:35%;
  animation:orbDrift 24s ease-in-out infinite 6s;
}
@keyframes orbDrift{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(50px,-40px) scale(1.1)}
  66%{transform:translate(-40px,30px) scale(.92)}
}

/* Grid hairline sutil sobre os orbs (tech feel) */
.hero-lines{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask:radial-gradient(ellipse 85% 75% at center,#000 25%,transparent 80%);
  -webkit-mask:radial-gradient(ellipse 85% 75% at center,#000 25%,transparent 80%);
  opacity:.7;
}

/* Vinheta — escurece bordas, foca no centro/conteúdo */
.hero-vignette{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 75% 65% at 50% 50%,transparent 35%,rgba(0,0,0,.6) 100%);
}

/* Canvas de partículas (motes brancos sutis) — sempre visível */
.hero-canvas{display:block!important}

/* Garantir que conteúdo fica acima do fundo */
.hero .container.hero-grid{position:relative;z-index:3}
.hero-meta{z-index:4}

/* Lite/PCs fracos — desliga orbs */
html.lite .orb{animation:none;opacity:.5;filter:blur(50px)}
html.lite .hero-lines{opacity:.3}

/* Mobile — orbs menores */
@media(max-width:760px){
  .orb-1{width:340px;height:340px}
  .orb-2{width:280px;height:280px}
  .orb-3{width:200px;height:200px}
  .orb-4{width:180px;height:180px}
}