/* ==========================================================================
   Real Decor Revestimentos
   Paleta tirada do próprio material: grafite de cimento e cinza seco.
   Sem cor de acento — a cor do site é a cor das peças.
   ========================================================================== */

:root {
  /* cor */
  --ink:        #15171a;
  --ink-2:      #1d2024;
  --ink-3:      #2a2e33;
  --paper:      #f4f3f0;
  --pale:       #e6e5e1;
  --pale-2:     #d8d6d1;
  --text:       #14161a;
  --muted:      #5c6166;   /* 4.97:1 sobre --pale, 5.6:1 sobre --paper */
  --muted-dark: #9aa0a5;
  --line:       rgba(20, 22, 26, .13);
  --line-dark:  rgba(255, 255, 255, .13);

  /* tipografia */
  --sans: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;

  /* escala — base 17px, razão ~1.28 */
  --t-xs:   .78rem;
  --t-sm:   .9rem;
  --t-base: 1rem;
  --t-lg:   1.2rem;
  --t-xl:   1.5rem;
  --t-2xl:  2rem;
  --t-3xl:  clamp(2.2rem, 5vw, 3.4rem);
  --t-4xl:  clamp(2.8rem, 8vw, 6rem);

  /* espaço */
  --gutter: 1.25rem;
  --section: clamp(4.5rem, 10vw, 9rem);
  --maxw: 1320px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
}

@media (min-width: 768px)  { :root { --gutter: 2.5rem; } }
@media (min-width: 1200px) { :root { --gutter: 4rem; } }

/* --------------------------------------------------------------- reset -- */

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
}
/* o scroll suave nativo briga com o Lenis; só vale quando ele não está ativo */
html:not(.lenis) { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--t-base);
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

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

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: var(--paper); padding: .9rem 1.4rem;
}
.skip:focus { left: 0; }

/* ---------------------------------------------------------- tipografia -- */

.display {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--t-4xl);
  line-height: .93;
  letter-spacing: -.035em;
}

.h-sec {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--t-3xl);
  line-height: 1.02;
  letter-spacing: -.03em;
}

.h-sub {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--t-xl);
  line-height: 1.15;
  letter-spacing: -.02em;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  line-height: 1.48;
  font-weight: 300;
  letter-spacing: -.005em;
  max-width: 34ch;
}

.prose {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.12rem;
  line-height: 1.72;
  max-width: 68ch;
}
.prose p + p { margin-top: 1.1em; }
/* a serif é carregada só no peso 300; se algum texto vier com negrito,
   deixamos o navegador sintetizar em vez de puxar mais um arquivo */
.prose strong { font-weight: 600; font-synthesis-weight: auto; }
.prose em { font-style: italic; }

.meta {
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--muted);
}

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

/* ------------------------------------------------------------- botões --- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  padding: .95rem 1.7rem;
  font-size: var(--t-sm);
  font-weight: 500;
  letter-spacing: .005em;
  border: 1px solid currentColor;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: color .45s var(--ease);
}
/* O preenchimento nunca herda currentColor: se herdasse, mudaria de cor
   junto com o texto no hover e o rótulo sumiria dentro do próprio botão.
   Cada variante declara o par preenchimento/texto do estado hover.        */
.btn::after {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .45s var(--ease);
}
.btn:hover::after, .btn:focus-visible::after { transform: scaleY(1); }

/* sólido: já nasce escuro, então clareia no hover */
.btn--solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--solid::after { background: var(--paper); }
.btn--solid:hover, .btn--solid:focus-visible { color: var(--ink); }

/* contorno claro sobre fundo escuro: preenche de grafite, texto segue branco */
.btn--light { color: var(--paper); }
.btn--light::after { background: var(--ink); }
.btn--light:hover, .btn--light:focus-visible { color: var(--paper); }

/* contorno escuro sobre fundo claro: preenche de grafite, texto vira branco */
.btn--dark { color: var(--ink); }
.btn--dark::after { background: var(--ink); }
.btn--dark:hover, .btn--dark:focus-visible { color: var(--paper); border-color: var(--ink); }

.btn .tick {
  width: 18px; height: 1px; background: currentColor;
  transition: width .45s var(--ease);
}
.btn:hover .tick { width: 28px; }

/* link sublinhado que cresce */
.ln {
  display: inline-block;
  position: relative;
  font-weight: 500;
  font-size: var(--t-sm);
  padding-bottom: 3px;
}
.ln::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .5s var(--ease);
}
.ln:hover::after, .ln:focus-visible::after { transform: scaleX(1); transform-origin: left; }

/* ------------------------------------------------------------ cabeçalho - */

.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  padding-block: 1.1rem;
  transition: background .5s var(--ease), padding .5s var(--ease), box-shadow .5s var(--ease);
}
.site-head::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10, 11, 13, .55), transparent);
  opacity: 1;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.site-head.is-stuck {
  background: rgba(21, 23, 26, .93);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  padding-block: .75rem;
  box-shadow: 0 1px 0 var(--line-dark);
}
.site-head.is-stuck::before { opacity: 0; }

.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  position: relative;
}

.brand { display: block; width: 168px; flex: none; }
.brand img { width: 100%; }
@media (min-width: 900px) { .brand { width: 196px; } }

.nav { display: none; }
@media (min-width: 1000px) {
  .nav { display: flex; align-items: center; gap: 2.1rem; }
}
.nav a {
  color: var(--paper);
  font-size: var(--t-sm);
  font-weight: 500;
  position: relative;
  padding-block: .3rem;
}
.nav a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav a:hover::after, .nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav a[aria-current='page']::after { transform: scaleX(1); }

.head-cta { display: none; }
@media (min-width: 1000px) { .head-cta { display: inline-flex; } }

/* menu mobile */
.burger {
  width: 46px; height: 46px;
  position: relative;
  color: var(--paper);
  margin-right: -10px;
}
@media (min-width: 1000px) { .burger { display: none; } }
/* barras posicionadas à mão: é o que garante o X exato ao abrir */
.burger span {
  position: absolute;
  left: 11px; width: 24px; height: 1.5px;
  background: currentColor;
  transition: transform .4s var(--ease), opacity .25s var(--ease);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded='true'] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.drawer {
  position: fixed; inset: 0; z-index: 55;
  background: var(--ink);
  padding: 6.5rem var(--gutter) 2.5rem;
  display: flex; flex-direction: column; justify-content: space-between;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
}
.drawer.is-open { visibility: visible; }
.drawer nav a {
  display: block;
  color: var(--paper);
  font-size: clamp(1.9rem, 9vw, 3rem);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.16;
  padding-block: .18em;
  border-bottom: 1px solid var(--line-dark);
}
.drawer nav a:first-child { border-top: 1px solid var(--line-dark); }
.drawer-foot { color: var(--muted-dark); font-size: var(--t-sm); }
.drawer-foot a { color: var(--paper); }

/* ---------------------------------------------------------------- hero -- */

.hero {
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  gap: 0;
  min-height: 100svh;
  grid-template-rows: 1fr auto;
}
@media (min-width: 1000px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    grid-template-rows: 1fr auto;
  }
}

.hero-copy {
  padding: 8.5rem var(--gutter) 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
  position: relative;
  z-index: 2;
}
@media (min-width: 1000px) {
  .hero-copy { padding: 9rem 3.5rem 4rem max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter))); }
}

.hero-copy .display { color: var(--paper); }
.hero-copy .lede { color: var(--muted-dark); max-width: 30ch; }

.hero-media {
  position: relative;
  min-height: 44vh;
  background: var(--ink-2);
  overflow: hidden;
}
@media (min-width: 1000px) { .hero-media { min-height: 0; } }

.hero-media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
}
.hero-media img.is-active { opacity: 1; }
.hero-media::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(21, 23, 26, .5), rgba(21, 23, 26, 0) 42%);
  pointer-events: none;
}
@media (max-width: 999px) {
  .hero-media::after { background: linear-gradient(to bottom, rgba(21, 23, 26, .45), rgba(21, 23, 26, 0) 40%); }
}

/* régua das linhas, na base do hero */
.hero-rail {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line-dark);
  position: relative;
  z-index: 3;
  background: var(--ink);
}
.hero-rail ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 760px) { .hero-rail ul { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.hero-rail a {
  display: block;
  padding: 1.15rem var(--gutter);
  border-left: 1px solid var(--line-dark);
  position: relative;
  overflow: hidden;
}
.hero-rail li:first-child a { border-left: 0; }
/* folga no último item para o botão flutuante do WhatsApp não cobrir o texto */
.hero-rail li:last-child a { padding-right: calc(var(--gutter) + 3.6rem); }
@media (max-width: 759px) {
  .hero-rail li:nth-child(3) a, .hero-rail li:nth-child(4) a { border-top: 1px solid var(--line-dark); }
  .hero-rail li:nth-child(3) a { border-left: 0; }
}
.hero-rail .rail-name {
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: -.01em;
  display: block;
  transition: transform .5s var(--ease);
}
.hero-rail .rail-count {
  font-size: var(--t-xs);
  color: var(--muted-dark);
  transition: color .4s var(--ease);
}
.hero-rail a::before {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: var(--paper);
  transform: scaleX(0); transform-origin: left;
  transition: transform .55s var(--ease);
}
.hero-rail a:hover::before, .hero-rail a:focus-visible::before { transform: scaleX(1); }
.hero-rail a:hover .rail-name { transform: translateX(6px); }
.hero-rail a:hover .rail-count { color: var(--paper); }

/* ------------------------------------------------------------- seções --- */

.sec { padding-block: var(--section); position: relative; }
.sec--dark { background: var(--ink); color: var(--paper); }
.sec--pale { background: var(--pale); }
.sec--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.sec-head {
  display: grid;
  gap: 1.4rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 900px) {
  .sec-head { grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); align-items: end; gap: 3rem; }
}
.sec-head .prose { font-size: 1.06rem; }

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}
.sec--dark .rule { background: var(--line-dark); }

/* -------------------------------------------------------- bloco conceito */

.concept {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .concept { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .concept--flip .concept-media { order: -1; }
}

.concept-media {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 4 / 3;
  background: var(--ink-2);
}
.concept-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: transform;
}

/* legenda que sobrepõe a imagem */
.overlay-tag {
  position: absolute;
  left: 0; bottom: 0;
  background: var(--paper);
  color: var(--text);
  padding: .7rem 1.1rem;
  font-size: var(--t-xs);
  font-weight: 500;
  max-width: 80%;
}
.sec--dark .overlay-tag { background: var(--ink); color: var(--paper); box-shadow: 0 0 0 1px var(--line-dark); }

/* ------------------------------------------------- duas colunas casadas - */
/* Dois blocos lado a lado com título, texto e botão alinhados entre si,
   mesmo quando um título ocupa duas linhas e o outro só uma.              */

.duo {
  display: grid;
  gap: clamp(2.5rem, 5vw, 3.5rem);
  align-items: start;
}
@media (min-width: 900px) {
  .duo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: clamp(2.5rem, 5vw, 4.5rem); }
}
@supports (grid-template-rows: subgrid) {
  @media (min-width: 900px) {
    .duo { grid-template-rows: auto auto auto; row-gap: 1.4rem; }
    .duo > .stack {
      grid-row: span 3;
      grid-template-rows: subgrid;
      align-content: start;
      row-gap: 1.4rem;
    }
  }
}

/* ------------------------------------------------------- faixas de linha */

.lines { border-top: 1px solid var(--line); }
.sec--dark .lines { border-color: var(--line-dark); }

.line-row {
  display: block;
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}
.sec--dark .line-row { border-color: var(--line-dark); }

.line-row-inner {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
  padding: clamp(1.5rem, 3.6vw, 2.6rem) 0;
  position: relative;
  z-index: 2;
  transition: transform .6s var(--ease), color .5s var(--ease), padding-left .6s var(--ease);
}
.line-row:hover .line-row-inner,
.line-row:focus-visible .line-row-inner { padding-left: clamp(1rem, 2.5vw, 2.2rem); }

.line-name {
  font-size: clamp(1.9rem, 5.4vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1;
  flex: none;
}
.line-desc {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 44ch;
  flex: 1 1 22rem;
}
.sec--dark .line-desc { color: var(--muted-dark); }
.line-count { font-size: var(--t-xs); color: var(--muted); flex: none; margin-left: auto; }

/* no celular a linha vira pilha: nome, matéria e contagem, todos à esquerda */
@media (max-width: 759px) {
  .line-row-inner { flex-direction: column; align-items: flex-start; gap: .35rem; }
  .line-count { margin-left: 0; }
  /* No celular não existe hover: as imagens das linhas ficam visíveis. */
  .line-bg { opacity: 1; transform: scale(1); }
  .line-row .line-desc,
  .line-row .line-count { color: rgba(255, 255, 255, .78); }
}
.sec--dark .line-count { color: var(--muted-dark); }

/* textura que aparece por trás no hover */
.line-bg {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity .6s var(--ease), transform .9s var(--ease);
  pointer-events: none;
}
.line-bg img { width: 100%; height: 100%; object-fit: cover; }
.line-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(21, 23, 26, .55);
}
.line-row:hover .line-bg,
.line-row:focus-visible .line-bg { opacity: 1; transform: scale(1); }
.line-row:hover .line-row-inner,
.line-row:focus-visible .line-row-inner { color: var(--paper); }
.line-row:hover .line-desc,
.line-row:hover .line-count { color: rgba(255, 255, 255, .78); }

/* ------------------------------------------------------ grade de peças -- */

.pieces {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.6rem);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
}

.piece { display: block; position: relative; }
.piece-frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  aspect-ratio: 8 / 5;
  border-radius: 2px;
}
.piece-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), filter .6s var(--ease);
}
.piece:hover .piece-frame img { transform: scale(1.06); }

.piece-frame::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(15, 16, 19, .72), rgba(15, 16, 19, 0) 58%);
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.piece:hover .piece-frame::after { opacity: 1; }

/* moldura que abre a galeria do modelo */
.piece-frame--open {
  display: block;
  width: 100%;
  padding: 0;
  text-align: left;
  cursor: pointer;
}

.piece-plus {
  position: absolute;
  right: .7rem; bottom: .7rem;
  z-index: 3;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: rgba(244, 243, 240, .93);
  color: var(--ink);
  border-radius: 50%;
  transition: transform .45s var(--ease), background .35s var(--ease);
}
.piece-frame--open:hover .piece-plus,
.piece-frame--open:focus-visible .piece-plus { transform: scale(1.12); background: var(--paper); }

.piece-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: .8rem;
}
.piece-name { font-size: var(--t-base); font-weight: 600; letter-spacing: -.015em; }
.piece-note { font-size: var(--t-xs); color: var(--muted); }
.sec--dark .piece-note { color: var(--muted-dark); }

/* A descrição do modelo. Onde há cursor, ela sobe de dentro da foto no
   hover; onde não há (celular, tablet), fica sempre visível abaixo do nome,
   senão o texto simplesmente nunca apareceria. */
.piece-reveal {
  font-family: var(--serif);
  font-weight: 300;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--muted);
  padding-top: .4rem;
}
.sec--dark .piece-reveal { color: var(--muted-dark); }

@media (hover: hover) and (pointer: fine) {
  .piece { position: relative; }
  .piece-reveal {
    position: absolute;
    inset: 0 0 auto 0;
    aspect-ratio: 8 / 5;
    display: flex;
    align-items: flex-end;
    padding: 1rem 3.2rem 1rem 1rem;
    color: #fff;
    z-index: 3;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .5s var(--ease), transform .6s var(--ease);
  }
  .sec--dark .piece-reveal { color: #fff; }
  .piece:hover .piece-reveal,
  .piece:focus-within .piece-reveal { opacity: 1; transform: none; }
}

/* instrução que só vale onde existe cursor */
.only-hover { display: none; }
@media (hover: hover) and (pointer: fine) { .only-hover { display: inline; } }

/* --------------------------------------------------------- mosaico obras */

.mosaic {
  display: grid;
  gap: clamp(.6rem, 1.4vw, 1rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: dense;
}
@media (min-width: 1100px) { .mosaic { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.tile {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  aspect-ratio: 1;
  border-radius: 2px;
  display: block;
  width: 100%;
}
.tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.tile:hover img { transform: scale(1.07); }
.tile::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(15, 16, 19, .3);
  opacity: 0;
  transition: opacity .45s var(--ease);
}
.tile:hover::after { opacity: 1; }

/* só peças largas: com 12 quadrados + 4 largos o mosaico fecha em 2 e em 4
   colunas, sem sobrar célula vazia em nenhuma largura de tela */
.tile--wide { grid-column: span 2; aspect-ratio: 2 / 1; }

.tile-plus {
  position: absolute;
  right: .75rem; bottom: .75rem;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: rgba(244, 243, 240, .92);
  color: var(--ink);
  border-radius: 50%;
  opacity: 0;
  transform: scale(.7);
  transition: opacity .4s var(--ease), transform .5s var(--ease);
  z-index: 2;
}
.tile:hover .tile-plus { opacity: 1; transform: none; }

/* -------------------------------------------------------------- faixa --- */

.band {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  isolation: isolate;
}
.band-bg {
  position: absolute; inset: -12% 0;
  z-index: -1;
  will-change: transform;
}
.band-bg img { width: 100%; height: 100%; object-fit: cover; }
.band-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(15, 17, 19, .88), rgba(15, 17, 19, .7));
}
.band-inner { padding-block: clamp(4.5rem, 10vw, 8rem); position: relative; z-index: 1; }

/* ---------------------------------------------------------- guia/listas - */

.tech-list {
  border-top: 1px solid var(--line-dark);
  max-width: 62rem;   /* o "+" fica longe demais da pergunta em telas largas */
}
.tech-item { border-bottom: 1px solid var(--line-dark); }
.tech-item > h2, .tech-item > h3 { margin: 0; font: inherit; }
.tech-q {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
  text-align: left;
  font-family: var(--sans);
  font-size: clamp(1.02rem, 2vw, 1.22rem);
  font-weight: 500;
  letter-spacing: -.015em;
  line-height: 1.35;
  transition: opacity .3s var(--ease);
}
.tech-q:hover { opacity: .62; }

.tech-sign {
  flex: none;
  position: relative;
  width: 15px; height: 15px;
  margin-top: .4em;
}
.tech-sign::before, .tech-sign::after {
  content: '';
  position: absolute; left: 0; top: 7px;
  width: 15px; height: 1.5px;
  background: currentColor;
  transition: transform .45s var(--ease-io);
}
.tech-sign::after { transform: rotate(90deg); }
.tech-item.is-open .tech-sign::after { transform: rotate(0deg); }

.tech-a { overflow: hidden; height: 0; }
.tech-a-inner { padding-bottom: 1.6rem; }
.tech-a .prose { font-size: 1.04rem; max-width: 62ch; }
.tech-a ul {
  display: grid; gap: .55rem;
  font-family: var(--serif); font-weight: 300;
  font-size: 1.04rem; line-height: 1.6;
  max-width: 62ch;
}
.tech-a li { padding-left: 1.2rem; position: relative; }
.tech-a li::before {
  content: '';
  position: absolute; left: 0; top: .72em;
  width: 8px; height: 1px; background: currentColor; opacity: .5;
}
.tech-a .prose + ul, .tech-a ul + .prose { margin-top: 1rem; }

/* variação clara */
.tech-list--light { border-color: var(--line); }
.tech-list--light .tech-item { border-color: var(--line); }

/* ------------------------------------------------------------ clientes -- */

.clients {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
@media (min-width: 620px)  { .clients { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .clients { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

.client {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  place-items: center;
  padding: 1.6rem 1.2rem;
  aspect-ratio: 3 / 2;
}
.client img {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  filter: grayscale(1) contrast(.9);
  opacity: .48;
  mix-blend-mode: multiply;
  transition: opacity .5s var(--ease), filter .5s var(--ease);
}
.client:hover img { opacity: 1; filter: grayscale(0) contrast(1); }

/* --------------------------------------------------------------- dados -- */

.facts {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 760px) { .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.sec--dark .facts, .band .facts, .page-head .facts { border-color: var(--line-dark); }

.fact {
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 760px) {
  .fact { padding: 1.8rem 2rem 1.8rem 0; border-bottom: 0; border-right: 1px solid var(--line); }
  .fact:last-child { border-right: 0; }
  .fact + .fact { padding-left: 2rem; }
}
.sec--dark .fact, .band .fact, .page-head .fact { border-color: var(--line-dark); }
.fact dt { font-size: var(--t-xs); color: var(--muted); margin-bottom: .4rem; }
.sec--dark .fact dt, .band .fact dt, .page-head .fact dt { color: var(--muted-dark); }
.fact dd {
  font-size: var(--t-lg);
  font-weight: 500;
  letter-spacing: -.02em;
  line-height: 1.32;
}

/* versão empilhada: mantém as divisórias horizontais em qualquer largura */
.facts--stack { grid-template-columns: minmax(0, 1fr); }
.facts--stack .fact {
  padding: 1.4rem 0;
  border-right: 0;
  border-bottom: 1px solid var(--line);
}
.facts--stack .fact + .fact { padding-left: 0; }
.sec--dark .facts--stack .fact,
.band .facts--stack .fact { border-bottom-color: var(--line-dark); }

/* -------------------------------------------------------------- rodapé -- */

.site-foot {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3.5rem, 7vw, 5.5rem) 2rem;
}
.foot-top {
  display: grid;
  gap: 2.8rem;
  padding-bottom: 3rem;
}
@media (min-width: 860px) {
  .foot-top { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 3rem; }
}
.foot-col h2, .foot-col h3 {
  font-size: var(--t-xs);
  font-weight: 500;
  color: var(--muted-dark);
  margin-bottom: 1.1rem;
}
.foot-col li + li { margin-top: .55rem; }
.foot-col a { font-size: var(--t-sm); }
.foot-col address {
  font-style: normal;
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--muted-dark);
}
.foot-col address a { color: var(--paper); font-family: var(--sans); font-size: var(--t-sm); }

.foot-brand { width: 200px; margin-bottom: 1.4rem; }

.foot-bot {
  border-top: 1px solid var(--line-dark);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  justify-content: space-between;
  font-size: var(--t-xs);
  color: var(--muted-dark);
}

/* --------------------------------------------------------- whats flutua - */

.whats {
  position: fixed;
  right: clamp(1rem, 3vw, 1.8rem);
  bottom: clamp(1rem, 3vw, 1.8rem);
  z-index: 50;
  width: 54px; height: 54px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  box-shadow: 0 6px 26px rgba(0, 0, 0, .3);
  transition: transform .45s var(--ease), background .4s var(--ease);
}
.whats:hover { transform: scale(1.07); background: var(--ink-3); }
.whats svg { width: 25px; height: 25px; }

/* ------------------------------------------------------------ lightbox -- */

.lightbox {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(13, 14, 16, .96);
  display: none;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox.is-on { display: grid; }
.lightbox figure { margin: 0; max-width: min(1100px, 100%); }
.lightbox img {
  width: 100%; height: auto;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 2px;
}
.lightbox figcaption {
  color: var(--muted-dark);
  font-size: var(--t-sm);
  padding-top: .9rem;
  display: flex; justify-content: space-between; gap: 1rem;
}
.lb-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px;
  display: grid; place-items: center;
  color: var(--paper);
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  transition: background .35s var(--ease);
}
.lb-btn:hover { background: rgba(255, 255, 255, .1); }
.lb-prev { left: clamp(.5rem, 2vw, 2rem); }
.lb-next { right: clamp(.5rem, 2vw, 2rem); }
/* modelo com uma foto só: nada para navegar */
.lightbox.is-solo .lb-btn,
.lightbox.is-solo [data-lb-count] { display: none; }
.lb-close {
  position: absolute; top: clamp(.8rem, 2vw, 1.6rem); right: clamp(.8rem, 2vw, 1.6rem);
  width: 46px; height: 46px;
  display: grid; place-items: center;
  color: var(--paper);
}

/* --------------------------------------------------------- página/capa -- */

.page-head {
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-head-bg {
  position: absolute; inset: -10% 0;
  z-index: -1;
  will-change: transform;
}
.page-head-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-head-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(17, 19, 22, .8), rgba(17, 19, 22, .62));
}
.page-head-inner {
  /* padding-block, não o shorthand: o shorthand zerava o recuo lateral que
     vem de .wrap e jogava o título para fora do alinhamento da página */
  padding-block: clamp(8rem, 16vw, 12rem) clamp(3rem, 7vw, 5rem);
  display: grid;
  gap: 1.5rem;
}
.page-head .display { font-size: var(--t-3xl); }
.page-head .lede { color: var(--muted-dark); max-width: 46ch; }

.crumb {
  font-size: var(--t-xs);
  color: var(--muted-dark);
  display: flex; flex-wrap: wrap; gap: .45rem;
  align-items: center;
}
.crumb a:hover { color: var(--paper); text-decoration: underline; text-underline-offset: 3px; }
.crumb span[aria-hidden] { opacity: .45; }

/* ------------------------------------------------------------ contato --- */

.contact-grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}
@media (min-width: 940px) { .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); } }
/* sem isto a coluna mais curta estica e abre vãos entre os blocos */
.contact-grid > .stack { align-content: start; }

.field { display: grid; gap: .45rem; margin-bottom: 1.2rem; }
.field label { font-size: var(--t-xs); font-weight: 500; color: var(--muted); }
.field input, .field textarea, .field select {
  font: inherit;
  font-size: var(--t-sm);
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: .65rem 0;
  border-radius: 0;
  transition: border-color .35s var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-bottom-color: var(--ink);
}
.field textarea { resize: vertical; min-height: 5.5rem; }

.map-frame {
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--pale-2);
  aspect-ratio: 4 / 3;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------------------------------------------------------- animações --- */

/* estado inicial só quando o JS assume o controle */
.js [data-rise] { opacity: 0; transform: translateY(26px); }
.js [data-mask] > span { display: block; }
.js [data-mask-line] { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js [data-rise] { opacity: 1 !important; transform: none !important; }
}

/* ------------------------------------------------------------- utils ---- */

.stack { display: grid; gap: 1.4rem; }
.stack--sm { gap: .8rem; }
.stack--lg { gap: 2.2rem; }
.flow > * + * { margin-top: 1.1rem; }
.center-x { justify-items: start; }
.mt-auto { margin-top: auto; }
.pt-0 { padding-top: 0; }
.muted { color: var(--muted); }
.sec--dark .muted, .band .muted, .page-head .muted { color: var(--muted-dark); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }