/* =====================================================================
   Camada Zero — ateliê de impressão 3D
   Paleta: grafite frio do gabinete + âmbar incandescente do bico a 210 °C.
   Tema escuro por padrão (é como a bancada fica de noite); tema claro de
   papel de gabarito disponível no botão da navegação.
   ===================================================================== */

/* --- tokens: tema escuro (padrão da marca) ---------------------------- */
:root {
  --slate:      #0A0D12;
  --slate-deep: #06080B;
  --panel:      #10151C;
  --panel-2:    #171E28;
  --text:       #EAF0F6;
  --text-dim:   #98A5B5;
  --text-mute:  #647080;
  --ember:      #FF7A2F;
  --ember-lit:  #FFB35C;
  --ember-ink:  #0A0D12;
  --line:       rgba(255, 122, 47, .20);
  --line-soft:  rgba(234, 240, 246, .09);
  --grid:       rgba(126, 168, 224, .06);
  --glow:       rgba(255, 122, 47, .15);
  --shade:      0 22px 56px rgba(0, 0, 0, .55);
  --danger:     #FF6B5C;
  --ok:         #35C48A;
  --icon-sun:   none;
  --icon-moon:  block;

  --foto-hero:  grayscale(.4) contrast(1.08) brightness(.36) saturate(1.2);
  --foto-tile:  grayscale(.5) brightness(.6);
  --foto-tile-h:grayscale(.08) brightness(.76);
  --foto-cena:  saturate(.92) brightness(.86) contrast(1.04);
  --veu-hero:
    radial-gradient(115% 95% at 74% 48%, transparent 0%, var(--slate) 72%),
    linear-gradient(98deg, var(--slate) 8%, color-mix(in srgb, var(--slate) 74%, transparent) 48%, transparent 76%),
    linear-gradient(to top, var(--slate) 2%, transparent 36%);
  /* véu que fica por cima da cena 3D, só para o texto continuar legível */
  --veu-texto:
    linear-gradient(100deg, var(--slate) 2%, color-mix(in srgb, var(--slate) 82%, transparent) 30%, transparent 56%),
    linear-gradient(to top, color-mix(in srgb, var(--slate) 70%, transparent) 0%, transparent 22%);

  /* cores da cena 3D — leem direto do CSS, então o tema manda no canvas */
  --c3d-frame:  #59657A;
  --c3d-bed:    #38424F;
  --c3d-hot:    #FFC178;
  --c3d-warm:   #FF7A2F;
  --c3d-cool:   #8C6446;
  --c3d-ghost:  #46536A;

  /* filamento: traço do objeto 3D em cada cor */
  --fil-grafite-w:  #808B99;
  --fil-grafite-wl: #B2BDCA;
  --fil-ambar-w:    #FF7A2F;
  --fil-ambar-wl:   #FFC178;
  --fil-osso-w:     #D9CFBB;
  --fil-osso-wl:    #FFF8EA;
  --fil-cobalto-w:  #4E86F2;
  --fil-cobalto-wl: #96B6FF;

  /* amostra do chip: a cor real do filamento, igual nos dois temas */
  --chip-grafite: #3C424B;
  --chip-ambar:   #FF7A2F;
  --chip-osso:    #EDE4D3;
  --chip-cobalto: #2E6BE6;

  --display: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --sans:    "Public Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --s-1: .5rem;
  --s-2: .75rem;
  --s-3: 1rem;
  --s-4: 1.5rem;
  --s-5: 2rem;
  --s-6: 3rem;
  --s-7: 4.5rem;
  --s-8: clamp(4.5rem, 3rem + 7vw, 9rem);

  --t-hero: clamp(2.3rem, 1.25rem + 3.8vw, 4.2rem);
  --t-h2:   clamp(1.85rem, 1.2rem + 2.5vw, 2.95rem);
  --t-h3:   clamp(1.08rem, 1rem + .45vw, 1.3rem);
  --t-lead: clamp(1.02rem, .97rem + .35vw, 1.16rem);
  --t-small: .875rem;
  --t-label: .6875rem;

  --wrap: 1240px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --edge: 3px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --- tokens: tema claro (papel de gabarito) --------------------------- */
:root[data-theme="light"] {
  --slate:      #F4F1EA;
  --slate-deep: #E8E3D7;
  --panel:      #FBF9F4;
  --panel-2:    #FFFFFF;
  --text:       #14181F;
  --text-dim:   #4C5563;
  --text-mute:  #78818F;
  --ember:      #C2410C;
  --ember-lit:  #97300A;
  --ember-ink:  #FFFFFF;
  --line:       rgba(194, 65, 12, .26);
  --line-soft:  rgba(20, 24, 31, .12);
  --grid:       rgba(22, 44, 78, .07);
  --glow:       rgba(194, 65, 12, .10);
  --shade:      0 18px 44px rgba(20, 24, 31, .12);
  --danger:     #B3271A;
  --ok:         #157A52;
  --icon-sun:   block;
  --icon-moon:  none;

  --foto-hero:  grayscale(.86) contrast(.72) brightness(1.7) opacity(.42);
  --foto-tile:  grayscale(.42) brightness(.64);
  --foto-tile-h:grayscale(.06) brightness(.78);
  --foto-cena:  saturate(1) brightness(1) contrast(1);
  --veu-hero:
    radial-gradient(115% 95% at 76% 48%, transparent 0%, var(--slate) 66%),
    linear-gradient(98deg, var(--slate) 32%, color-mix(in srgb, var(--slate) 88%, transparent) 62%, color-mix(in srgb, var(--slate) 46%, transparent) 88%),
    linear-gradient(to top, var(--slate) 4%, transparent 42%);
  --veu-texto:
    linear-gradient(100deg, var(--slate) 4%, color-mix(in srgb, var(--slate) 88%, transparent) 32%, transparent 58%),
    linear-gradient(to top, color-mix(in srgb, var(--slate) 74%, transparent) 0%, transparent 24%);

  --c3d-frame:  #2F3A4B;
  --c3d-bed:    #7B8697;
  --c3d-hot:    #A8320A;
  --c3d-warm:   #C2410C;
  --c3d-cool:   #B0906F;
  --c3d-ghost:  #A6B0BF;

  --fil-grafite-w:  #4A525E;
  --fil-grafite-wl: #23282F;
  --fil-ambar-w:    #C2410C;
  --fil-ambar-wl:   #8C2C05;
  --fil-osso-w:     #998C73;
  --fil-osso-wl:    #786C55;
  --fil-cobalto-w:  #1E4FBF;
  --fil-cobalto-wl: #123784;
}

/* mesmo conjunto para quem deixou o sistema no claro e ainda não escolheu
   tema aqui; a página publicada fixa data-theme="dark" no <html> */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
  --slate:      #F4F1EA;
  --slate-deep: #E8E3D7;
  --panel:      #FBF9F4;
  --panel-2:    #FFFFFF;
  --text:       #14181F;
  --text-dim:   #4C5563;
  --text-mute:  #78818F;
  --ember:      #C2410C;
  --ember-lit:  #97300A;
  --ember-ink:  #FFFFFF;
  --line:       rgba(194, 65, 12, .26);
  --line-soft:  rgba(20, 24, 31, .12);
  --grid:       rgba(22, 44, 78, .07);
  --glow:       rgba(194, 65, 12, .10);
  --shade:      0 18px 44px rgba(20, 24, 31, .12);
  --danger:     #B3271A;
  --ok:         #157A52;
  --icon-sun:   block;
  --icon-moon:  none;

  --foto-hero:  grayscale(.86) contrast(.72) brightness(1.7) opacity(.42);
  --foto-tile:  grayscale(.42) brightness(.64);
  --foto-tile-h:grayscale(.06) brightness(.78);
  --foto-cena:  saturate(1) brightness(1) contrast(1);
  --veu-hero:
    radial-gradient(115% 95% at 76% 48%, transparent 0%, var(--slate) 66%),
    linear-gradient(98deg, var(--slate) 32%, color-mix(in srgb, var(--slate) 88%, transparent) 62%, color-mix(in srgb, var(--slate) 46%, transparent) 88%),
    linear-gradient(to top, var(--slate) 4%, transparent 42%);
  --veu-texto:
    linear-gradient(100deg, var(--slate) 4%, color-mix(in srgb, var(--slate) 88%, transparent) 32%, transparent 58%),
    linear-gradient(to top, color-mix(in srgb, var(--slate) 74%, transparent) 0%, transparent 24%);

  --c3d-frame:  #2F3A4B;
  --c3d-bed:    #7B8697;
  --c3d-hot:    #A8320A;
  --c3d-warm:   #C2410C;
  --c3d-cool:   #B0906F;
  --c3d-ghost:  #A6B0BF;

  --fil-grafite-w:  #4A525E;
  --fil-grafite-wl: #23282F;
  --fil-ambar-w:    #C2410C;
  --fil-ambar-wl:   #8C2C05;
  --fil-osso-w:     #998C73;
  --fil-osso-wl:    #786C55;
  --fil-cobalto-w:  #1E4FBF;
  --fil-cobalto-wl: #123784;
  }
}

/* --- base ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--slate);
  color: var(--text);
  font: 400 1rem/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

::selection { background: var(--ember); color: var(--ember-ink); }

:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: var(--edge);
}

.sprite { display: none; }
/* os ícones vêm do sprite por <use>; o traço precisa estar no <svg> que usa,
   porque o conteúdo clonado herda do ponto de uso, não do símbolo original */
svg { fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round; }
svg use { pointer-events: none; }

.skip {
  position: fixed; top: -100px; left: var(--s-3); z-index: 200;
  padding: .7rem 1.1rem; background: var(--ember); color: var(--ember-ink);
  font: 600 var(--t-small)/1 var(--sans); border-radius: var(--edge);
}
.skip:focus { top: var(--s-3); }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }

/* --- tipografia comum ------------------------------------------------- */
.eyebrow {
  margin: 0 0 var(--s-3);
  font: 500 var(--t-label)/1.4 var(--mono);
  letter-spacing: .18em; text-transform: uppercase; color: var(--ember);
}
.eyebrow--mute { color: var(--text-mute); }

.sec { padding: var(--s-8) 0; position: relative; }
.sec--panel { background: var(--panel); }
.sec--deep { background: var(--slate-deep); }

.sec__head { max-width: 66ch; margin-bottom: var(--s-7); }
.sec__head--wide { max-width: 78ch; }

h1, h2, h3, h4 { font-family: var(--display); font-weight: 700;
  letter-spacing: -.018em; line-height: 1.08; margin: 0; }

.sec__t {
  font-size: var(--t-h2); font-weight: 800;
  font-variation-settings: "wdth" 112;
}
.sec__t em { font-style: normal; color: var(--ember); }

.sec__p { margin: var(--s-4) 0 0; font-size: var(--t-lead); color: var(--text-dim); max-width: 62ch; }

.mono { font: 500 var(--t-label)/1.4 var(--mono); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mute); }

/* grade de blueprint, o pano de fundo do fatiador */
.grade { position: relative; }
.grade::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 56px);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 20%, transparent 78%);
}
.grade > * { position: relative; z-index: 1; }

/* --- botões ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .82rem 1.4rem; border: 1px solid transparent; border-radius: var(--edge);
  font: 600 .9rem/1 var(--sans); letter-spacing: .01em; cursor: pointer;
  transition: transform .18s var(--ease), background .18s var(--ease),
              border-color .18s var(--ease), color .18s var(--ease);
}
.btn svg { width: 1.05em; height: 1.05em; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--ember { background: var(--ember); color: var(--ember-ink); font-weight: 700; }
.btn--ember:hover { background: var(--ember-lit); }

.btn--ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn--ghost:hover { border-color: var(--ember); color: var(--ember); }

.btn--lg { padding: 1.02rem 1.7rem; font-size: .96rem; }
.btn--block { width: 100%; justify-content: center; }

.lnk {
  display: inline-flex; align-items: center; gap: .4rem; margin-top: var(--s-3);
  font: 600 var(--t-small)/1 var(--sans); color: var(--ember);
}
.lnk svg { width: 1.1em; height: 1.1em; transition: transform .2s var(--ease); }
.lnk:hover svg { transform: translateX(4px); }

/* --- navegação -------------------------------------------------------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .28s var(--ease), border-color .28s var(--ease), padding .28s var(--ease);
  padding: .55rem 0;
}
.nav.is-stuck {
  background: color-mix(in srgb, var(--slate) 88%, transparent);
  backdrop-filter: blur(14px); border-bottom-color: var(--line);
  padding: .2rem 0;
}
.nav__in { display: flex; align-items: center; gap: var(--s-4); }

.brand { display: flex; align-items: center; gap: .7rem; margin-right: auto; }
.brand__mark { width: 40px; height: 40px; color: var(--ember); flex: none; }
.brand__name {
  display: block; font: 800 1.06rem/1.05 var(--display);
  font-variation-settings: "wdth" 118; letter-spacing: -.01em;
}
.brand__sub { display: block; font: 500 .62rem/1.4 var(--mono);
  letter-spacing: .2em; text-transform: uppercase; color: var(--text-mute); }

.nav__links { display: flex; gap: var(--s-4); }
.nav__links a {
  font: 500 .9rem/1 var(--sans); color: var(--text-dim); padding: .5rem 0;
  border-bottom: 1px solid transparent; transition: color .18s var(--ease), border-color .18s var(--ease);
}
.nav__links a:hover { color: var(--text); border-bottom-color: var(--ember); }

.nav__end { display: flex; align-items: center; gap: var(--s-2); }

.tglt {
  width: 40px; height: 40px; display: grid; place-items: center;
  background: transparent; border: 1px solid var(--line-soft);
  border-radius: var(--edge); color: var(--text-dim); cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.tglt:hover { color: var(--ember); border-color: var(--ember); }
.tglt svg { width: 18px; height: 18px; }
.tglt__s { display: var(--icon-sun); }
.tglt__m { display: var(--icon-moon); }

.burger {
  display: none; width: 40px; height: 40px; background: transparent;
  border: 1px solid var(--line-soft); border-radius: var(--edge); cursor: pointer;
  padding: 11px 10px; flex-direction: column; justify-content: space-between;
}
.burger span { display: block; height: 1.5px; background: var(--text); transition: transform .22s var(--ease), opacity .22s var(--ease); }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- topo ------------------------------------------------------------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--s-8) + 3rem) 0 var(--s-8); overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0; background: url("../assets/img/hero-bico.jpg") center/cover no-repeat;
  filter: var(--foto-hero);
}
.hero__veu { position: absolute; inset: 0; z-index: 1; background: var(--veu-hero); }
.hero__cena { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; }
.hero__veu2 { position: absolute; inset: 0; z-index: 3; background: var(--veu-texto); }
.hero__in { position: relative; z-index: 4; max-width: 46rem; }

.hero__h1 {
  font-size: var(--t-hero); font-weight: 800; margin: 0 0 var(--s-4);
  font-variation-settings: "wdth" 108; letter-spacing: -.026em;
}
.hero__h1 em { font-style: normal; color: var(--ember); }

.hero__p { font-size: var(--t-lead); color: var(--text-dim); max-width: 40rem; margin: 0 0 var(--s-5); }

.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-bottom: var(--s-6); }

.hero__provas { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.hero__provas li {
  display: flex; align-items: center; gap: .5rem;
  font: 500 var(--t-small)/1.3 var(--sans); color: var(--text-dim);
}
.hero__provas svg { width: 17px; height: 17px; color: var(--ember); flex: none; }

/* leitura do painel da máquina — enfeite, valores de exemplo */
.hud {
  display: inline-flex; flex-wrap: wrap; gap: .35rem 1.1rem; margin: 0 0 var(--s-4);
  padding: .5rem .85rem; border: 1px solid var(--line); border-radius: var(--edge);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  font: 500 var(--t-label)/1.4 var(--mono); letter-spacing: .1em; color: var(--text-mute);
}
.hud b { color: var(--ember-lit); font-weight: 700; }

.hero__scroll {
  position: absolute; left: 50%; bottom: 1.6rem; z-index: 4;
  width: 26px; height: 42px; margin-left: -13px;
  border: 1px solid var(--line); border-radius: 14px;
}
.hero__scroll span {
  position: absolute; left: 50%; top: 8px; width: 3px; height: 8px; margin-left: -1.5px;
  background: var(--ember); border-radius: 2px; animation: roda 1.8s var(--ease) infinite;
}
@keyframes roda { 0% { transform: translateY(0); opacity: 0; }
  30% { opacity: 1; } 100% { transform: translateY(16px); opacity: 0; } }

/* --- números ---------------------------------------------------------- */
.stats { padding: var(--s-6) 0; background: var(--panel); border-block: 1px solid var(--line-soft); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); }
.stat { text-align: left; border-left: 2px solid var(--line); padding-left: var(--s-3); }
.stat__n {
  display: block; font: 800 clamp(1.9rem, 1.3rem + 1.8vw, 2.9rem)/1 var(--display);
  font-variation-settings: "wdth" 100; color: var(--ember); letter-spacing: -.02em;
}
.stat__l { display: block; margin-top: .4rem; font: 500 var(--t-label)/1.4 var(--mono);
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-mute); }

/* --- catálogo --------------------------------------------------------- */
.filtros { display: flex; flex-wrap: wrap; gap: var(--s-1); margin-bottom: var(--s-5); }
.filtro {
  padding: .5rem .95rem; background: transparent; border: 1px solid var(--line-soft);
  border-radius: var(--edge); cursor: pointer;
  font: 500 var(--t-label)/1.3 var(--mono); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-dim);
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.filtro:hover { color: var(--text); border-color: var(--ember); }
.filtro.is-on { background: var(--ember); border-color: var(--ember); color: var(--ember-ink); font-weight: 700; }

.prods { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }

.prod {
  display: flex; flex-direction: column;
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: var(--edge); overflow: hidden;
  transition: border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}
.prod:hover { border-color: var(--line); transform: translateY(-4px); box-shadow: var(--shade); }
.prod[hidden] { display: none; }

.prod__visor {
  position: relative; aspect-ratio: 4 / 3; border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(80% 70% at 50% 88%, var(--glow) 0%, transparent 70%),
    var(--panel);
}
.prod__visor::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--grid) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px 28px);
}
.prod__visor canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.prod__tag {
  position: absolute; top: .7rem; left: .7rem; z-index: 2;
  padding: .28rem .5rem; border: 1px solid var(--line); border-radius: 2px;
  background: color-mix(in srgb, var(--slate) 72%, transparent);
  font: 500 .625rem/1 var(--mono); letter-spacing: .14em;
  text-transform: uppercase; color: var(--ember-lit);
}

.prod__corpo { padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-2); flex: 1; }
.prod__nome { font-size: var(--t-h3); font-weight: 700; font-variation-settings: "wdth" 106; }
.prod__desc { margin: 0; font-size: var(--t-small); color: var(--text-dim); }

.prod__specs { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.prod__specs li {
  display: flex; justify-content: space-between; gap: var(--s-2);
  font: 400 .75rem/1.5 var(--mono); color: var(--text-mute);
  border-bottom: 1px dashed var(--line-soft); padding-bottom: .25rem;
}
.prod__specs b { color: var(--text); font-weight: 500; text-align: right; }

.prod__cores { margin-top: auto; }
.prod__cores-t {
  display: flex; align-items: baseline; gap: .4rem; margin-bottom: .5rem;
  font: 500 var(--t-label)/1.4 var(--mono); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mute);
}
.prod__cor-nome { color: var(--text); letter-spacing: .06em; }
.chips { display: flex; gap: .4rem; }
.chip {
  width: 26px; height: 26px; padding: 0; cursor: pointer;
  border: 1px solid var(--line-soft); border-radius: 50%;
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--panel-2) 100%, transparent);
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}
.chip:hover { transform: scale(1.12); }
.chip.is-on { border-color: var(--ember); border-width: 2px; transform: scale(1.08); }
.chip--grafite { background: var(--chip-grafite); }
.chip--ambar   { background: var(--chip-ambar); }
.chip--osso    { background: var(--chip-osso); }
.chip--cobalto { background: var(--chip-cobalto); }

.prod__pe {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-2);
  padding: var(--s-3) var(--s-4); border-top: 1px solid var(--line-soft);
  background: var(--panel);
}
.prod__preco { font: 800 1.35rem/1 var(--display); font-variation-settings: "wdth" 100; color: var(--text); }
.prod__cta { padding: .72rem 1.05rem; font-size: .84rem; }

.sem-resultado { margin: var(--s-5) 0 0; color: var(--text-dim); }

.nota-catalogo {
  margin: var(--s-5) 0 0; padding: var(--s-3) var(--s-4);
  border-left: 2px solid var(--line); background: var(--panel-2);
  font-size: var(--t-small); color: var(--text-dim);
}

/* --- materiais -------------------------------------------------------- */
.mats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
.mat {
  padding: var(--s-4); background: var(--panel-2);
  border: 1px solid var(--line-soft); border-top: 2px solid var(--line);
  border-radius: var(--edge);
}
.mat__t { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-2); }
.mat__n { font-size: var(--t-h3); font-weight: 700; font-variation-settings: "wdth" 106; }
.mat__temp { font: 500 .72rem/1 var(--mono); color: var(--ember); white-space: nowrap; }
.mat p { margin: var(--s-2) 0 0; font-size: var(--t-small); color: var(--text-dim); }
.mat__uso { margin-top: var(--s-3); font: 400 .72rem/1.5 var(--mono); color: var(--text-mute); }

/* --- divisão em duas colunas ------------------------------------------ */
.dupla { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s-7); align-items: center; }
.dupla--inv { grid-template-columns: .95fr 1.05fr; }

.foto { position: relative; border: 1px solid var(--line-soft); border-radius: var(--edge); overflow: hidden; }
.foto img { width: 100%; filter: var(--foto-cena); }
.foto__leg {
  position: absolute; inset: auto 0 0; padding: var(--s-4) var(--s-3) var(--s-3);
  background: linear-gradient(to top, rgba(6, 8, 11, .96) 6%, rgba(6, 8, 11, .72) 46%, rgba(6, 8, 11, .02));
  font: 400 .75rem/1.5 var(--mono); color: #E7EDF4;
}

.lista { list-style: none; margin: var(--s-4) 0 0; padding: 0; display: grid; gap: var(--s-2); }
.lista li { display: flex; gap: .7rem; font-size: var(--t-small); color: var(--text-dim); }
.lista svg { width: 18px; height: 18px; color: var(--ember); flex: none; margin-top: .18rem; }
.lista b { color: var(--text); font-weight: 600; }

/* --- passos ----------------------------------------------------------- */
.passos { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-4); margin-top: var(--s-6); counter-reset: p; }
.passo { padding-top: var(--s-4); border-top: 2px solid var(--line); counter-increment: p; }
.passo::before {
  content: "0" counter(p); display: block; margin-bottom: var(--s-2);
  font: 800 1.5rem/1 var(--display); font-variation-settings: "wdth" 100; color: var(--ember);
}
.passo h3 { font-size: var(--t-h3); font-weight: 700; font-variation-settings: "wdth" 106; }
.passo p { margin: var(--s-2) 0 0; font-size: var(--t-small); color: var(--text-dim); }

/* --- mosaico ---------------------------------------------------------- */
.mosaico { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); }
.tile { position: relative; overflow: hidden; border-radius: var(--edge); min-height: 330px; }
.tile img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: var(--foto-tile); transition: filter .35s var(--ease), transform .5s var(--ease);
}
.tile:hover img { filter: var(--foto-tile-h); transform: scale(1.05); }
.tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6, 8, 11, .95) 2%, rgba(6, 8, 11, .08) 56%);
}
.tile__txt { position: absolute; inset: auto 0 0; z-index: 2; padding: var(--s-4) var(--s-3) var(--s-3); }
.tile__k { display: block; font: 500 var(--t-label)/1.4 var(--mono); letter-spacing: .14em;
  text-transform: uppercase; color: var(--ember-lit); margin-bottom: .3rem; }
.tile__d { display: block; font: 600 .95rem/1.35 var(--sans); color: #F1F5FA; }
.tile--alto { grid-row: span 2; }

/* --- depoimentos ------------------------------------------------------ */
.carrossel { position: relative; overflow: hidden; max-width: 60rem; }
.trilha { display: flex; transition: transform .55s var(--ease); }
.slide { flex: 0 0 100%; padding-right: var(--s-3); }
.slide__txt {
  font: 300 clamp(1.1rem, .98rem + .7vw, 1.5rem)/1.5 var(--sans);
  color: var(--text); margin: 0 0 var(--s-4);
}
.slide__txt::before { content: ""; display: block; width: 46px; height: 2px;
  background: var(--ember); margin-bottom: var(--s-4); }
.slide__quem { font: 600 var(--t-small)/1.4 var(--sans); color: var(--text); }
.slide__oq { display: block; font: 400 .75rem/1.5 var(--mono); color: var(--text-mute); }
.pontos { display: flex; gap: .5rem; margin-top: var(--s-5); }
.ponto { width: 30px; height: 3px; padding: 0; border: 0; cursor: pointer;
  background: var(--line-soft); transition: background .2s var(--ease); }
.ponto.is-on { background: var(--ember); }

/* --- dúvidas ---------------------------------------------------------- */
.duvidas { display: grid; grid-template-columns: 1.35fr .65fr; gap: var(--s-7); align-items: start; }
.qa { border-bottom: 1px solid var(--line-soft); }
.qa summary {
  display: flex; align-items: flex-start; gap: var(--s-3); padding: var(--s-4) 0;
  cursor: pointer; list-style: none;
  font: 600 1.02rem/1.45 var(--sans); color: var(--text);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary svg { width: 18px; height: 18px; color: var(--ember); flex: none; margin-top: .2rem;
  transition: transform .24s var(--ease); }
.qa[open] summary svg { transform: rotate(45deg); }
.qa__r { margin: 0 0 var(--s-4); padding-left: calc(18px + var(--s-3)); font-size: var(--t-small); color: var(--text-dim); }

/* --- contato ---------------------------------------------------------- */
.contato { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--s-7); align-items: start; }
.form {
  padding: var(--s-5); background: var(--panel-2);
  border: 1px solid var(--line-soft); border-top: 2px solid var(--ember);
  border-radius: var(--edge);
}
.form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field--full { grid-column: 1 / -1; }
.field label { font: 500 var(--t-label)/1.4 var(--mono); letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-mute); }
.field input, .field select, .field textarea {
  padding: .72rem .8rem; background: var(--panel); color: var(--text);
  border: 1px solid var(--line-soft); border-radius: var(--edge);
  font: 400 .94rem/1.4 var(--sans);
  transition: border-color .18s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ember); }
.field textarea { resize: vertical; min-height: 118px; }
.field.is-bad input, .field.is-bad select, .field.is-bad textarea { border-color: var(--danger); }
.err { min-height: 1em; font: 400 .72rem/1.3 var(--mono); color: var(--danger); }

.check { grid-column: 1 / -1; display: flex; gap: .6rem; align-items: flex-start; }
.check input { width: 17px; height: 17px; margin-top: .2rem; accent-color: var(--ember); flex: none; }
.check span { font-size: .8rem; color: var(--text-dim); line-height: 1.5; }

.form__ok {
  grid-column: 1 / -1; padding: .7rem .9rem; border: 1px solid var(--ok);
  border-radius: var(--edge); font-size: var(--t-small); color: var(--ok);
}

.contato__lista { list-style: none; margin: var(--s-5) 0 0; padding: 0; display: grid; gap: var(--s-3); }
.contato__lista li { display: flex; gap: .7rem; align-items: flex-start; font-size: var(--t-small); color: var(--text-dim); }
.contato__lista svg { width: 18px; height: 18px; color: var(--ember); flex: none; margin-top: .2rem; }
.contato__lista b { display: block; color: var(--text); font-weight: 600; }

/* --- rodapé ----------------------------------------------------------- */
.pe { background: var(--slate-deep); border-top: 1px solid var(--line-soft); padding: var(--s-7) 0 var(--s-4); }
.pe__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: var(--s-5); }
.pe h4 { font: 500 var(--t-label)/1.4 var(--mono); letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-mute); margin-bottom: var(--s-3); }
.pe__links { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.pe__links a { font-size: var(--t-small); color: var(--text-dim); }
.pe__links a:hover { color: var(--ember); }
.pe__sobre { font-size: var(--t-small); color: var(--text-dim); margin: var(--s-3) 0 0; max-width: 34ch; }
.pe__base { margin-top: var(--s-6); padding-top: var(--s-4); border-top: 1px solid var(--line-soft);
  display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); justify-content: space-between; }
.pe__base p { margin: 0; font: 400 .72rem/1.6 var(--mono); color: var(--text-mute); max-width: 62ch; }
.pe__aviso { border-left: 2px solid var(--line); padding-left: var(--s-3); }

/* --- flutuantes ------------------------------------------------------- */
.fwa {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 90;
  width: 54px; height: 54px; display: grid; place-items: center;
  background: var(--ember); color: var(--ember-ink);
  border-radius: 50%; box-shadow: var(--shade);
  transition: transform .2s var(--ease);
}
.fwa:hover { transform: scale(1.07); }
.fwa svg { width: 26px; height: 26px; }

.ftopo {
  position: fixed; right: 1.1rem; bottom: 4.9rem; z-index: 90;
  width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--panel-2); color: var(--text-dim); cursor: pointer;
  border: 1px solid var(--line-soft); border-radius: 50%;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
}
.ftopo.is-on { opacity: 1; visibility: visible; transform: translateY(0); }
.ftopo:hover { color: var(--ember); border-color: var(--ember); }
.ftopo svg { width: 18px; height: 18px; }

/* --- entrada dos blocos ----------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .62s var(--ease), transform .62s var(--ease);
  transition-delay: calc(var(--rd, 0) * 90ms);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll span { animation: none; }
  .trilha { transition: none; }
  .btn:hover, .prod:hover, .chip:hover, .fwa:hover { transform: none; }
  .tile:hover img { transform: none; }
}

/* --- telas menores ---------------------------------------------------- */
@media (max-width: 1080px) {
  .prods, .mats { grid-template-columns: repeat(2, 1fr); }
  .mosaico { grid-template-columns: repeat(2, 1fr); }
  .tile--alto { grid-row: span 1; }
  .passos { grid-template-columns: repeat(2, 1fr); }
  .pe__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav__links {
    position: fixed; inset: 0 0 auto; z-index: -1;
    flex-direction: column; gap: 0; padding: 5rem var(--pad) var(--s-4);
    background: var(--slate); border-bottom: 1px solid var(--line);
    transform: translateY(-100%); transition: transform .34s var(--ease);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links a { padding: .9rem 0; border-bottom: 1px solid var(--line-soft); width: 100%; }
  .nav.is-stuck .nav__links { background: var(--slate); }
  .burger { display: flex; }
  .nav__cta { display: none; }

  .dupla, .dupla--inv, .duvidas, .contato { grid-template-columns: 1fr; gap: var(--s-6); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: var(--s-5) var(--s-4); }
  /* no celular a impressora ganha uma faixa própria embaixo do texto, em vez
     de ficar escondida atrás dele */
  .hero { min-height: auto; padding: calc(var(--s-8) + 4rem) 0 328px; }
  .hero__cena { top: auto; bottom: 0; height: 316px; opacity: 1; }
  .hero__veu2 {
    background: linear-gradient(to bottom,
      color-mix(in srgb, var(--slate) 62%, transparent) 0%, transparent 34%);
  }
  .hero__scroll { display: none; }
}

@media (max-width: 620px) {
  .prods, .mats, .passos, .mosaico, .pe__grid { grid-template-columns: 1fr; }
  .form { padding: var(--s-4); }
  .form__grid { grid-template-columns: 1fr; }
  .brand__mark { width: 34px; height: 34px; }
  .hero__provas { gap: var(--s-2); flex-direction: column; }
  .prod__pe { flex-direction: column; align-items: stretch; gap: var(--s-2); }
  .prod__preco { font-size: 1.5rem; }
  .prod__cta { justify-content: center; }
  .pe__base { flex-direction: column; }
  .tile { min-height: 260px; }
}

/* notebook de 768px de altura: o topo não pode empurrar o botão para fora */
@media (max-height: 820px) and (min-width: 901px) {
  .hero { min-height: 44rem; padding-top: calc(var(--s-7) + 3rem); }
  .hero__h1 { font-size: clamp(2rem, 1.1rem + 2.9vw, 3.2rem); }
  .hero__p { margin-bottom: var(--s-4); }
  .hero__cta { margin-bottom: var(--s-4); }
}