/* ============================================================
   METASUL — Esquadrias de Alumínio
   Design tokens
   ============================================================ */
:root{
  --ink:        #10161d;   /* structural charcoal-navy */
  --ink-soft:   #1b2530;
  --steel:      #5b6773;   /* mid steel gray */
  --steel-line: #2a343e;   /* hairline on dark */
  --aluminum:   #cfd4d9;   /* light aluminum silver */
  --paper:      #f3f4f5;   /* off-white section bg */
  --paper-2:    #e7e9eb;
  --accent:     #1fa7dc;   /* logo cyan */
  --accent-deep:#0c7aa8;
  --accent-glow: rgba(31,167,220,.18);
  --wa:         #25d366;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Inter", -apple-system, Segoe UI, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 2px;
  --container: 1180px;

  /* Medidas fluidas (mobile-first): valores de celular por padrão,
     crescem sozinhas até o tamanho de desktop original. */
  --header-h:   64px;
  --gutter:     clamp(18px, 5vw, 28px);
  --section-y:  clamp(56px, 9vw, 96px);
  --tap:        44px;      /* área mínima de toque recomendada */
  --float-gap:  16px;
}
@media (min-width:861px){
  :root{ --header-h:78px; --float-gap:24px; }
}

*{box-sizing:border-box;}
html{
  scroll-behavior:smooth;
  scroll-padding-top:var(--header-h);   /* âncoras não ficam escondidas atrás do menu fixo */
  -webkit-text-size-adjust:100%;text-size-adjust:100%;
}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  overflow-x:clip;   /* rede de segurança contra rolagem lateral (não quebra o menu sticky) */
}
img{max-width:100%;display:block;}
iframe{max-width:100%;}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:var(--accent-glow);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* -------------------- Type scale -------------------- */
h1,h2,h3,h4{
  font-family:var(--display);
  text-transform:uppercase;
  letter-spacing:.02em;
  font-weight:700;
  margin:0;
  line-height:1.02;
  overflow-wrap:break-word;
}
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent-deep);
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--accent);
  display:inline-block;
}
p{margin:0 0 1em;color:var(--steel);}
p:last-child{margin-bottom:0;}

/* -------------------- Profile rule (signature motif) --------------------
   A thin line + notch, echoing an aluminum extrusion cross-section,
   used as a section divider. */
.profile-rule{
  width:100%;
  height:14px;
  display:block;
}
.profile-rule svg{width:100%;height:100%;display:block;}

/* -------------------- Header / Nav -------------------- */
header.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(16,22,29,.94);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--steel-line);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:36px;width:auto;}
@media (min-width:861px){ .brand img{height:40px;} }
/* Menu: no celular/tablet vira painel suspenso sob o cabeçalho
   (aberto pelo botão hambúrguer). A partir de 861px volta ao menu em linha. */
.nav-links{
  position:absolute;top:100%;left:0;right:0;
  display:flex;flex-direction:column;align-items:stretch;gap:0;
  background:var(--ink);
  padding:6px var(--gutter) 20px;
  border-bottom:1px solid var(--steel-line);
  max-height:calc(100vh - var(--header-h));
  max-height:calc(100dvh - var(--header-h));
  overflow-y:auto;overscroll-behavior:contain;
  opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);
  transition:opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
}
.nav-links.open{
  opacity:1;visibility:visible;pointer-events:auto;transform:none;
  transition-delay:0s;
}
.nav-links a{
  font-family:var(--display);
  font-size:18px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--aluminum);
  transition:color .18s ease;
  position:relative;
  display:flex;align-items:center;
  min-height:calc(var(--tap) + 4px);
}
.nav-links a:hover, .nav-links a.active{color:#fff;}

.btn-orcamento{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--wa);
  color:#06231a;
  font-family:var(--display);
  font-weight:700;
  font-size:15px;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:11px 20px;
  border-radius:3px;
  border:none;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
}
.btn-orcamento:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(37,211,102,.25);}
.btn-orcamento svg{width:18px;height:18px;flex:none;}

.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:var(--tap);height:var(--tap);
  margin-right:-10px;            /* alinha o ícone com a margem lateral */
  padding:0;background:none;border:none;color:#fff;cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.burger svg{width:26px;height:26px;}
.nav-cta-desktop{display:none;}

@media (min-width:861px){
  .burger{display:none;}
  .nav-cta-desktop{display:inline-flex;}
  .nav-links{
    position:static;
    flex-direction:row;align-items:center;gap:34px;
    background:none;padding:0;border:0;
    max-height:none;overflow:visible;
    opacity:1;visibility:visible;pointer-events:auto;transform:none;
    transition:none;
  }
  .nav-links a{display:inline-block;min-height:0;font-size:15px;}
  .nav-links a.active::after{
    content:"";
    position:absolute;left:0;right:0;bottom:-26px;
    height:2px;background:var(--accent);
  }
}

/* -------------------- Hero -------------------- */
.hero{
  position:relative;
  min-height:clamp(560px,80vh,640px);
  display:flex;align-items:flex-end;
  background:var(--ink);
  overflow:hidden;
}
.hero-media{
  position:absolute;inset:0;
  background-image:url('../img/building-banner.jpg');
  background-size:cover;
  background-position:center;
  opacity:.55;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(16,22,29,.55) 0%, rgba(16,22,29,.75) 55%, rgba(16,22,29,.98) 100%);
}
.hero-content{
  position:relative;
  /* só padding vertical: o horizontal vem da classe .wrap */
  padding-top:clamp(72px,12vw,120px);
  padding-bottom:clamp(44px,6vw,64px);
  width:100%;
}
.hero-content h1{
  color:#fff;
  font-size:clamp(42px,7vw,84px);
  max-width:12ch;
}
.hero-content h1 span{color:var(--accent);}
.hero-sub{
  color:var(--aluminum);
  font-size:clamp(16px,2.2vw,18px);
  max-width:44ch;
  margin:22px 0 clamp(26px,4vw,34px);
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  font-family:var(--display);
  font-size:15px;letter-spacing:.05em;text-transform:uppercase;
  padding:13px 22px;
  transition:border-color .18s ease,background .18s ease;
}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.06);}

.hero-stats{
  position:relative;
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--steel-line);
  margin-top:clamp(36px,6vw,56px);
}
.hero-stats > div{
  padding:20px 0 0 clamp(12px,3vw,28px);
  border-left:1px solid var(--steel-line);
}
.hero-stats > div:first-child{border-left:none;padding-left:0;}
.hero-stats .num{
  font-family:var(--display);
  font-size:clamp(30px,8vw,38px);color:#fff;
}
.hero-stats .lbl{
  font-family:var(--mono);
  font-size:clamp(10px,2.8vw,12px);letter-spacing:.06em;text-transform:uppercase;
  color:var(--steel);
}
@media (min-width:600px){ .hero-stats .lbl{letter-spacing:.1em;} }

/* -------------------- Section shells -------------------- */
section{padding:var(--section-y) 0;}
.section-tight{padding-top:clamp(44px,7vw,64px);padding-bottom:clamp(44px,7vw,64px);}
.section-catalog{padding-top:clamp(44px,7vw,80px);}
.section-dark{background:var(--ink);color:#fff;}
.section-dark p{color:var(--aluminum);}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:16px 40px;margin-bottom:clamp(32px,5vw,52px);flex-wrap:wrap;
}
@media (min-width:861px){ .section-head{row-gap:40px;} }
.section-head h2{font-size:clamp(30px,4vw,46px);}
.section-head .lede{max-width:42ch;}

/* -------------------- About -------------------- */
.about-grid{
  display:grid;grid-template-columns:1fr;gap:40px;align-items:start;
}
@media (min-width:861px){
  .about-grid{grid-template-columns:1.1fr .9fr;gap:64px;}
}
.about-grid p{font-size:16.5px;}
.about-list{margin-top:28px;display:grid;gap:14px;}
.about-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink);
}
.about-list li svg{flex:none;width:18px;height:18px;color:var(--accent-deep);margin-top:2px;}
.about-panel{
  background:var(--ink);color:#fff;
  padding:clamp(24px,5vw,36px);
  border-left:4px solid var(--accent);
}
.about-panel h3{font-size:22px;margin-bottom:16px;}
.about-panel p{color:var(--aluminum);font-size:15px;}
.about-panel .years{
  font-family:var(--display);
  font-size:88px;color:var(--accent);line-height:.9;
}

/* -------------------- Catalog cards -------------------- */
.cat-grid{
  display:grid;grid-template-columns:1fr;gap:2px;
  background:var(--steel-line);
}
@media (min-width:861px){
  .cat-grid{grid-template-columns:repeat(3,1fr);}
}
.cat-card{
  background:var(--ink);color:#fff;
  padding:clamp(32px,6vw,44px) clamp(22px,5vw,34px);
  min-height:clamp(240px,34vw,320px);
  display:flex;flex-direction:column;justify-content:flex-end;
  position:relative;
  transition:background .2s ease;
}
.cat-card:hover{background:var(--ink-soft);}
.cat-card .tag{
  font-family:var(--mono);font-size:12px;color:var(--accent);
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;
}
.cat-card h3{font-size:30px;margin-bottom:10px;}
.cat-card p{color:var(--steel);font-size:14px;margin-bottom:20px;}
.cat-card .go{
  font-family:var(--mono);font-size:13px;color:var(--aluminum);
  display:flex;align-items:center;gap:8px;
}
.cat-card .go svg{width:14px;height:14px;transition:transform .18s ease;}
.cat-card:hover .go svg{transform:translateX(4px);}
.cat-icon{position:absolute;top:clamp(22px,4vw,34px);right:clamp(22px,4vw,34px);width:42px;height:42px;color:var(--steel);opacity:.6;}


/* -------------------- Product grid (catalog pages) -------------------- */
.filter-row{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:clamp(28px,5vw,44px);
}
.filter-chip{
  font-family:var(--mono);font-size:13px;letter-spacing:.04em;
  text-transform:uppercase;
  padding:9px 16px;
  border:1px solid var(--paper-2);
  background:#fff;color:var(--steel);
  cursor:pointer;
  transition:all .15s ease;
}
.filter-chip:hover{border-color:var(--accent);}
.filter-chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}

.product-grid{
  display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,28px);
}
@media (min-width:601px){ .product-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:941px){ .product-grid{grid-template-columns:repeat(3,1fr);} }
.product-card{
  background:#fff;
  border:1px solid var(--paper-2);
  display:flex;flex-direction:column;
  transition:border-color .18s ease, transform .18s ease;
}
.product-card:hover{border-color:var(--accent);transform:translateY(-3px);}
.product-thumb{
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#e2e5e8,#f2f3f4);
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--paper-2);
  position:relative;
  overflow:hidden;
}
.product-thumb img{width:100%;height:100%;object-fit:cover;}
.product-thumb svg{width:64px;height:64px;color:var(--steel);opacity:.55;}
.product-thumb .ph-note{
  position:absolute;bottom:8px;left:8px;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(16,22,29,.75);color:var(--aluminum);
  padding:4px 8px;
}
.product-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-body .sub{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-deep);
}
.product-body h3{font-size:21px;text-transform:none;letter-spacing:0;font-family:var(--body);font-weight:700;}
.product-body p{font-size:14px;flex:1;}
.product-link{
  margin-top:6px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);display:inline-flex;align-items:center;gap:6px;
}
.product-link svg{width:13px;height:13px;}


/* -------------------- Breadcrumb -------------------- */
.crumb{
  font-family:var(--mono);font-size:12.5px;color:var(--steel);
  letter-spacing:.04em;text-transform:uppercase;
  padding-top:26px;   /* só o topo: o lateral vem do .wrap */
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
}
.crumb a{color:var(--accent-deep);}
.crumb span{opacity:.5;}

.page-head{padding-top:20px;padding-bottom:clamp(32px,6vw,56px);}
.page-head h1{font-size:clamp(34px,5vw,54px);margin-top:10px;}
.page-head p{max-width:60ch;margin-top:16px;font-size:16px;}

/* -------------------- Product detail -------------------- */
.pd-grid{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:start;
}
.pd-media{
  aspect-ratio:1/1;
  background:linear-gradient(135deg,#e2e5e8,#f2f3f4);
  border:1px solid var(--paper-2);
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;
}
.pd-media img{width:100%;height:100%;object-fit:cover;}
.pd-media svg{width:110px;height:110px;color:var(--steel);opacity:.5;}
.pd-media .ph-note{
  position:absolute;bottom:14px;left:14px;right:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  background:rgba(16,22,29,.78);color:var(--aluminum);
  padding:9px 12px;
}
/* -------- Galeria deslizante -------- */
.gallery{position:absolute;inset:0;}
.gal-track{
  display:flex;height:100%;
  overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-behavior:smooth;
}
.gal-track::-webkit-scrollbar{display:none;}
.gal-slide{
  flex:0 0 100%;height:100%;margin:0;position:relative;
  scroll-snap-align:start;
}
.gal-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.gal-slide figcaption{
  position:absolute;left:0;right:0;bottom:0;
  font-family:var(--mono);font-size:11px;letter-spacing:.05em;
  background:linear-gradient(to top,rgba(16,22,29,.86),rgba(16,22,29,0));
  color:var(--aluminum);padding:34px 16px 44px;
}
.gal-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border:none;cursor:pointer;
  background:rgba(255,255,255,.9);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s,opacity .2s;z-index:2;
}
.gal-nav:hover{background:#fff;}
.gal-nav:disabled{opacity:.28;cursor:default;}
.gal-nav svg{width:18px;height:18px;}
.gal-nav.prev{left:12px;}
.gal-nav.prev svg{transform:rotate(180deg);}
.gal-nav.next{right:12px;}
.gal-counter{
  position:absolute;top:12px;right:12px;z-index:2;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  background:rgba(16,22,29,.78);color:var(--aluminum);padding:6px 10px;
}
.gal-dots{
  position:absolute;bottom:14px;left:0;right:0;z-index:2;
  display:flex;gap:7px;justify-content:center;
}
.gal-dot{
  width:7px;height:7px;border:none;padding:0;cursor:pointer;border-radius:50%;
  background:rgba(255,255,255,.45);transition:background .2s,transform .2s;
  position:relative;
}
/* área de toque ampliada (a bolinha continua pequena) */
.gal-dot::before{content:"";position:absolute;inset:-12px -5px;}
.gal-dot.active{background:#fff;transform:scale(1.35);}
@media (max-width:640px){
  .gal-slide figcaption{font-size:11px;padding:28px 12px 40px;}
}

.pd-sub{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-deep);
  margin-bottom:10px;
}
.pd-info h1{font-size:clamp(30px,4vw,44px);text-transform:none;letter-spacing:0;margin-bottom:16px;}
.pd-info > p{font-size:16px;margin-bottom:28px;}
.spec-table{
  border-top:1px solid var(--paper-2);
  margin-bottom:30px;
}
.spec-row{
  display:flex;justify-content:space-between;gap:20px;
  padding:14px 0;
  border-bottom:1px solid var(--paper-2);
  font-size:14.5px;
}
.spec-row .k{
  font-family:var(--mono);color:var(--steel);text-transform:uppercase;letter-spacing:.05em;font-size:12.5px;
  flex:none;width:42%;
}
.spec-row .v{color:var(--ink);text-align:right;overflow-wrap:anywhere;}
.pd-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* tablet em coluna única: foto mais baixa para não ocupar a tela inteira */
@media (min-width:600px) and (max-width:860px){ .pd-media{aspect-ratio:4/3;} }
@media (min-width:861px){ .pd-grid{grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,60px);} }

/* -------------------- Process -------------------- */
.process-list{
  display:grid;grid-template-columns:1fr;gap:2px;background:var(--paper-2);
}
@media (min-width:561px){ .process-list{grid-template-columns:1fr 1fr;} }
@media (min-width:861px){ .process-list{grid-template-columns:repeat(4,1fr);} }
.process-item{background:var(--paper);padding:34px 26px;}
.process-item .n{font-family:var(--display);font-size:44px;color:var(--accent-deep);opacity:.35;}
.process-item h4{font-size:17px;text-transform:none;letter-spacing:0;margin:10px 0 8px;}
.process-item p{font-size:14px;}

/* -------------------- Contact -------------------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:861px){ .contact-grid{grid-template-columns:1fr 1fr;gap:60px;} }
.contact-card{
  display:flex;gap:16px;padding:24px 0;
  border-bottom:1px solid var(--steel-line);
}
.contact-card:first-child{padding-top:0;}
.contact-card svg{width:22px;height:22px;color:var(--accent);flex:none;margin-top:2px;}
.contact-card h4{font-size:14px;letter-spacing:.08em;color:var(--steel);margin-bottom:6px;}
.contact-card p{color:#fff;font-size:16px;overflow-wrap:anywhere;}
.contact-card a{color:#fff;}
.contact-card a:hover{color:var(--accent);}
.map-frame{border:1px solid var(--steel-line);height:100%;min-height:300px;}
.map-frame iframe{display:block;width:100%;height:100%;min-height:300px;border:0;filter:grayscale(.3) invert(.92) contrast(.9);}
@media (min-width:861px){ .map-frame, .map-frame iframe{min-height:340px;} }

/* -------------------- CTA band -------------------- */
.cta-band{
  background:var(--accent);
  padding:clamp(44px,7vw,64px) 0;
}
.cta-band-inner{
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
}
.cta-band h2{color:var(--ink);font-size:clamp(26px,3.6vw,38px);max-width:16ch;}
.cta-band .btn-orcamento{background:var(--ink);color:#fff;}
.cta-band .btn-orcamento:hover{box-shadow:0 8px 20px rgba(16,22,29,.3);}

/* -------------------- Footer -------------------- */
footer{background:var(--ink);color:var(--aluminum);padding:56px 0 28px;border-top:1px solid var(--steel-line);}
.foot-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px;
}
@media (min-width:761px){ .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:40px;} }
.foot-brand img{height:36px;margin-bottom:16px;}
.foot-brand p{font-size:14px;max-width:36ch;}
.foot-col h4{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--steel);margin-bottom:16px;
}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{font-size:14.5px;}
.foot-col a:hover{color:var(--accent);}
.foot-bottom{
  border-top:1px solid var(--steel-line);
  padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:var(--steel);
  font-family:var(--mono);
}

/* -------------------- Floating WhatsApp -------------------- */
.wa-float{
  position:fixed;right:var(--float-gap);bottom:var(--float-gap);z-index:200;
  width:58px;height:58px;border-radius:50%;
  background:var(--wa);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(0,0,0,.28);
  transition:transform .18s ease;
}
.wa-float:hover{transform:scale(1.06);}
.wa-float svg{width:28px;height:28px;color:#06231a;}

/* -------------------- Utility -------------------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ============================================================
   POLISH — micro-interações e animações
   (só efeitos visuais; nenhuma cor, fonte ou estrutura mudou)
   ============================================================ */

/* Entrada mais suave e escalonada dos elementos ao rolar a página */
.reveal{
  transition:opacity .7s cubic-bezier(.16,.8,.3,1), transform .7s cubic-bezier(.16,.8,.3,1);
}
.cat-grid .reveal:nth-child(1){transition-delay:.03s;}
.cat-grid .reveal:nth-child(2){transition-delay:.11s;}
.cat-grid .reveal:nth-child(3){transition-delay:.19s;}
.product-grid .reveal:nth-child(1){transition-delay:.02s;}
.product-grid .reveal:nth-child(2){transition-delay:.08s;}
.product-grid .reveal:nth-child(3){transition-delay:.14s;}
.product-grid .reveal:nth-child(4){transition-delay:.2s;}
.product-grid .reveal:nth-child(5){transition-delay:.26s;}
.product-grid .reveal:nth-child(6){transition-delay:.32s;}
.process-list .reveal:nth-child(1){transition-delay:.03s;}
.process-list .reveal:nth-child(2){transition-delay:.1s;}
.process-list .reveal:nth-child(3){transition-delay:.17s;}
.process-list .reveal:nth-child(4){transition-delay:.24s;}

/* Hero: título e CTA entram suavemente ao carregar a página */
@keyframes heroRise{
  from{opacity:0;transform:translateY(22px);}
  to{opacity:1;transform:none;}
}
.hero-content h1,
.hero-content .hero-sub,
.hero-content .hero-cta,
.hero-content .hero-stats{
  animation:heroRise .8s cubic-bezier(.16,.8,.3,1) both;
}
.hero-content h1{animation-delay:.14s;}
.hero-content .hero-sub{animation-delay:.24s;}
.hero-content .hero-cta{animation-delay:.34s;}
.hero-content .hero-stats{animation-delay:.44s;}
.hero-media{
  animation:heroZoom 1.4s cubic-bezier(.16,.8,.3,1) both;
}
@keyframes heroZoom{
  from{transform:scale(1.08);opacity:0;}
  to{transform:scale(1);opacity:.55;}
}

/* Cards de produto: zoom suave na foto + elevação no hover */
.product-thumb{overflow:hidden;}
.product-thumb img{
  transition:transform .55s cubic-bezier(.16,.8,.3,1), filter .55s ease;
}
.product-card:hover .product-thumb img{transform:scale(1.06);filter:saturate(1.08);}
.product-card{
  transition:border-color .25s ease, transform .3s cubic-bezier(.16,.8,.3,1), box-shadow .3s ease;
}
.product-card:hover{box-shadow:0 18px 34px rgba(16,22,29,.1);}
.product-link svg{transition:transform .25s cubic-bezier(.34,1.56,.64,1);}
.product-card:hover .product-link svg{transform:translateX(5px);}

/* Cards de categoria: ícone com leve giro/escala no hover */
.cat-card{transition:background .28s ease, transform .3s cubic-bezier(.16,.8,.3,1), box-shadow .3s ease;}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.28);}
.cat-icon{transition:transform .4s cubic-bezier(.34,1.56,.64,1), color .28s ease;}
.cat-card:hover .cat-icon{transform:scale(1.12) rotate(-6deg);color:var(--accent);}

/* Menu: sublinhado animado */
.nav-links a{position:relative;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-4px;height:1px;
  background:var(--accent);transition:right .28s cubic-bezier(.16,.8,.3,1);
}
.nav-links a:hover::after, .nav-links a.active::after{right:0;}

/* Botões: brilho que passa no hover + leve pressão no clique */
.btn-orcamento{position:relative;overflow:hidden;}
.btn-orcamento::before{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(115deg, transparent, rgba(255,255,255,.35), transparent);
  transform:skewX(-20deg);transition:left .55s ease;
}
.btn-orcamento:hover::before{left:130%;}
.btn-orcamento:active, .btn-outline:active{transform:scale(.97);}

/* Botão flutuante do WhatsApp: pulso sutil chamando atenção */
@keyframes waPulse{
  0%{box-shadow:0 10px 28px rgba(0,0,0,.28), 0 0 0 0 rgba(37,211,102,.55);}
  70%{box-shadow:0 10px 28px rgba(0,0,0,.28), 0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 10px 28px rgba(0,0,0,.28), 0 0 0 0 rgba(37,211,102,0);}
}
.wa-float{animation:waPulse 2.6s ease-out infinite;}
.wa-float:hover{animation-play-state:paused;}

/* Galeria de produto: transição de foco mais viva */
.gal-slide img{transition:transform .5s ease;}
.gal-dot{transition:background .25s ease, transform .25s cubic-bezier(.34,1.56,.64,1);}
.gal-nav{transition:background .2s ease, opacity .2s ease, transform .2s ease;}
.gal-nav:hover:not(:disabled){transform:translateY(-50%) scale(1.08);}

/* Filtros do catálogo: transição mais expressiva ao trocar categoria */
.filter-chip{transition:all .22s cubic-bezier(.16,.8,.3,1);}
.filter-chip:hover{transform:translateY(-1px);}
.filter-chip.active{transform:translateY(-1px);}

@media (prefers-reduced-motion: reduce){
  .hero-content *, .hero-media, .wa-float{animation:none !important;}
  .product-thumb img, .cat-icon, .product-card, .cat-card{transition:none !important;}
}

/* ============================================================
   RESPONSIVO — toque, botões e ajustes finos
   (mobile-first: valores base valem para celular; as faixas
    abaixo só refinam tablet/desktop ou telas de toque)
   ============================================================ */

/* Acessibilidade: foco visível para navegação por teclado */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-links a:focus-visible, .burger:focus-visible{outline-offset:-2px;}

/* Botões: texto sempre centralizado (importante quando ocupam a linha toda) */
.btn-orcamento, .btn-outline{justify-content:center;}

/* Botões de ação: largura total no celular, lado a lado a partir de 481px */
.hero-cta .btn-orcamento, .hero-cta .btn-outline,
.pd-actions .btn-orcamento, .pd-actions .btn-outline{flex:1 1 100%;}
@media (min-width:481px){
  .hero-cta .btn-orcamento, .hero-cta .btn-outline,
  .pd-actions .btn-orcamento, .pd-actions .btn-outline{flex:0 0 auto;}
}
@media (max-width:560px){
  .cta-band .btn-orcamento{width:100%;}
}

/* Áreas de toque de pelo menos 44px em celulares, tablets e qualquer tela de toque */
@media (max-width:860px), (pointer:coarse){
  .brand{min-height:var(--tap);}
  .filter-chip{min-height:var(--tap);display:inline-flex;align-items:center;}
  .gal-nav{width:var(--tap);height:var(--tap);}
  .crumb{padding-top:10px;gap:0 8px;}
  .crumb a{display:inline-flex;align-items:center;min-height:var(--tap);}
  .contact-card a{display:inline-flex;align-items:center;min-height:var(--tap);}
  .foot-col ul{gap:0;}
  .foot-col a{display:flex;align-items:center;min-height:var(--tap);}
}

/* Rodapé: espaço extra para o botão flutuante do WhatsApp não cobrir o último texto */
@media (max-width:860px){
  footer{padding-bottom:calc(28px + 64px);}
}

/* Celular deitado (pouca altura): hero não precisa de altura mínima */
@media (max-height:480px) and (orientation:landscape){
  .hero{min-height:0;}
  .hero-content{padding-top:48px;}
}

/* Telas de toque não têm "hover": evita efeitos que ficam presos após o toque */
@media (hover:none){
  .product-card:hover{transform:none;box-shadow:none;border-color:var(--paper-2);}
  .product-card:hover .product-thumb img{transform:none;filter:none;}
  .product-card:hover .product-link svg{transform:none;}
  .cat-card:hover{transform:none;box-shadow:none;background:var(--ink);}
  .cat-card:hover .cat-icon{transform:none;color:var(--steel);}
  .cat-card:hover .go svg{transform:none;}
  .btn-orcamento:hover{transform:none;box-shadow:none;}
  .btn-orcamento:hover::before{left:-60%;}
  .filter-chip:hover:not(.active){transform:none;border-color:var(--paper-2);}
  .gal-nav:hover:not(:disabled){transform:translateY(-50%);}
  /* feedback imediato ao tocar */
  .product-card:active{border-color:var(--accent);}
  .cat-card:active{background:var(--ink-soft);}
}