/* ============================================================================
   MB ARQ — reconstrução do layout ref-site.png
   Cores e geometria medidas em 00-assets/manifest/layout.json
   ========================================================================== */

/* ------------------------------------------------------------ 1. TOKENS */
:root {
  /* cor — amostrada do layout de referência */
  --color-bg:          #F3EFEA;
  --color-bg-alt:      #EDE7E0;
  --color-surface:     #F8F5F1;
  --color-primary:     #C9552B;   /* laranja do layout. Institucional MB: #F86F4F */
  --color-primary-600: #B4491F;
  --color-on-primary:  #FDF3EC;
  --color-heading:     #2C2119;
  --color-body:        #4E453E;
  --color-muted:       #8C8580;
  --color-border:      #E2DAD2;
  --color-border-soft: #E7E0D8;

  /* tipografia */
  --font-display: "Lora", Georgia, "Times New Roman", serif;
  --font-sans:    "DM Sans", -apple-system, "Segoe UI", Roboto, sans-serif;

  --size-display: clamp(2.35rem, 5.1vw, 3.55rem);   /* h1 */
  --size-title:   clamp(1.3rem,  2.42vw, 1.72rem);  /* h2 */
  --size-card:    clamp(0.95rem, 1.5vw, 1.06rem);   /* h3 */
  --size-body:    clamp(0.875rem, 1.42vw, 0.97rem);
  --size-small:   clamp(0.75rem, 1.22vw, 0.82rem);
  --size-eyebrow: clamp(0.6rem,  1.0vw,  0.7rem);

  /* espaço */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 14px;
  --space-4: 22px;
  --space-5: 34px;
  --space-6: 50px;
  --space-7: 72px;
  --section-y: clamp(30px, 2.9vw, 52px);
  --gutter:    clamp(20px, 3.52vw, 44px);
  --container: 1200px;

  /* forma */
  --radius-sm: 3px;
  --radius-md: 6px;
  --shadow-card:       0 1px 2px rgba(52, 38, 28, .05);
  --shadow-card-hover: 0 14px 30px -14px rgba(52, 38, 28, .28);

  /* movimento */
  --dur-fast:   160ms;
  --dur-normal: 320ms;
  --dur-slow:   620ms;
  --ease-out:   cubic-bezier(.22, .61, .36, 1);
  --ease-soft:  cubic-bezier(.32, .72, .3, 1);

  --header-h: clamp(64px, 8.8vw, 90px);
}

/* ------------------------------------------------------------- 2. RESET */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  background: var(--color-bg);
  color: var(--color-body);
  font-family: var(--font-sans);
  font-size: var(--size-body);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }
ul, ol { list-style: none; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 200;
  padding: 10px 16px; background: var(--color-primary); color: var(--color-on-primary);
  font-size: var(--size-small); border-radius: var(--radius-sm);
  transform: translateY(-160%);
  transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus-visible { transform: translateY(0); }

/* -------------------------------------------------------- 3. PRIMITIVOS */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--size-title);
  font-weight: 400;
  line-height: 1.24;
  letter-spacing: -.005em;
  color: var(--color-heading);
}

.body-text { color: var(--color-body); line-height: 1.62; }

.rule {
  display: block;
  width: 52px;
  height: 2px;
  background: var(--color-primary);
  transform-origin: left center;
}

.icon-arrow {
  width: 1.15em; height: 1.15em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
  transition: transform var(--dur-normal) var(--ease-out);
}

/* ---- botões ---- */
.btn {
  --btn-shift: 0px;
  display: inline-flex;
  align-items: center;
  gap: .85em;
  padding: .9em 1.3em;
  font-size: var(--size-eyebrow);
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transform: translateY(var(--btn-shift));
  transition: background var(--dur-normal) var(--ease-out),
              border-color var(--dur-normal) var(--ease-out),
              color var(--dur-normal) var(--ease-out),
              transform var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out);
}
.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--outline { border: 1px solid rgba(253, 243, 236, .55); color: var(--color-on-primary); }
.btn--ghost {
  padding-inline: 0;
  color: var(--color-heading);
  border-bottom: 1px solid var(--color-heading);
  border-radius: 0;
  font-weight: 500;
}

@media (hover: hover) {
  .btn--primary:hover { background: var(--color-primary-600); --btn-shift: -2px; box-shadow: var(--shadow-card-hover); }
  .btn--outline:hover { background: var(--color-on-primary); color: var(--color-primary); border-color: transparent; --btn-shift: -2px; }
  .btn--ghost:hover   { color: var(--color-primary); border-color: var(--color-primary); }
  .btn:hover .icon-arrow { transform: translateX(4px); }
}
.btn:active { transform: translateY(0) scale(.985); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .8em;
  padding-bottom: 6px;
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--color-heading);
  border-bottom: 1px solid var(--color-heading);
  transition: color var(--dur-normal) var(--ease-out), border-color var(--dur-normal) var(--ease-out);
}
@media (hover: hover) {
  .link-arrow:hover { color: var(--color-primary); border-color: var(--color-primary); }
  .link-arrow:hover .icon-arrow { transform: translateX(4px); }
}

/* ---- logotipo ---- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: .42em;
  font-size: clamp(1.35rem, 2.3vw, 1.72rem);
  font-weight: 300;
  letter-spacing: .07em;
  line-height: 1;
  color: var(--color-heading);
}
.logo__mark { width: auto; height: clamp(34px, 3.4vw, 44px); }
.logo--footer { margin-bottom: var(--space-4); }
.logo--footer .logo__mark { height: clamp(40px, 4.2vw, 52px); }

/* ------------------------------------------------------------ 4. HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-normal) var(--ease-out),
              border-color var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out);
}
.site-header.is-stuck {
  background: color-mix(in srgb, var(--color-bg) 94%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom-color: var(--color-border-soft);
  box-shadow: 0 8px 24px -20px rgba(52, 38, 28, .5);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}

.nav__list { display: flex; gap: clamp(20px, 3.2vw, 42px); }
.nav a {
  position: relative;
  display: inline-block;
  padding-block: 6px;
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-body);
  transition: color var(--dur-normal) var(--ease-out);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--dur-normal) var(--ease-out);
}
@media (hover: hover) {
  .nav a:hover { color: var(--color-heading); }
  .nav a:hover::after { transform: scaleX(1); transform-origin: left center; }
}

.menu-toggle { display: none; padding: 10px; margin-right: -10px; }
.menu-toggle__bars,
.menu-toggle__bars::before,
.menu-toggle__bars::after {
  display: block; width: 22px; height: 1.5px;
  background: var(--color-heading);
  transition: transform var(--dur-normal) var(--ease-out), opacity var(--dur-fast) linear;
}
.menu-toggle__bars::before, .menu-toggle__bars::after { content: ""; position: relative; }
.menu-toggle__bars::before { top: -7px; }
.menu-toggle__bars::after  { top: 5.5px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { top: -1.5px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after  { top: -3px;   transform: rotate(-45deg); }

.menu-mobile {
  display: none;
  padding: var(--space-2) var(--gutter) var(--space-5);
  border-top: 1px solid var(--color-border-soft);
  background: var(--color-bg);
}
.menu-mobile ul { display: grid; gap: 2px; margin-bottom: var(--space-4); }
.menu-mobile a:not(.btn) {
  display: block;
  padding: 14px 0;
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-border-soft);
}
.menu-mobile .btn { width: 100%; justify-content: space-between; }
.menu-mobile.is-open { display: block; animation: menu-in var(--dur-normal) var(--ease-out) both; }

@keyframes menu-in {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: none; }
}

/* -------------------------------------------------------------- 5. HERO */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(440px, 46.1vw, 660px);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0 0 0 auto;
  width: 64.3%;                     /* 658 / 1024 medido no layout */
  z-index: 0;
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; }

/* malha geométrica sobre a foto: linhas finas, arcos concêntricos e um bloco
   cheio, no mesmo desenho do arco da marca. */
.hero__malha {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.malha__bloco  { fill: var(--color-primary); opacity: .92; }
.malha__linhas { fill: none; stroke: rgba(253, 243, 236, .8); stroke-width: 1; vector-effect: non-scaling-stroke; }
.malha__arcos  { fill: none; stroke: rgba(253, 243, 236, .8); stroke-width: 1.1; vector-effect: non-scaling-stroke; }
.malha__arcos--destaque { stroke: var(--color-primary); stroke-width: 1.8; opacity: .95; }
.malha__arcos--fina { stroke: rgba(253, 243, 236, .38); }

.hero__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--color-bg) 0%, rgba(243, 239, 234, .55) 12%, transparent 34%);
  pointer-events: none;
}

.hero__inner { position: relative; z-index: 1; }
.hero__content { max-width: clamp(360px, 38.3vw, 470px); }

.hero__title {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--size-display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--color-heading);
}
.hero__title .accent { color: var(--color-primary); }

.hero .rule { margin: clamp(20px, 2.4vw, 30px) 0; }

.hero__lead { max-width: clamp(275px, 28.1vw, 350px); line-height: 1.62; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(16px, 2.5vw, 30px);
  margin-top: clamp(24px, 3vw, 40px);
}

/* ------------------------------------------------------------- 6. SOBRE */
.sobre {
  background: var(--color-bg-alt);
  padding-block: var(--section-y);
}
.sobre__grid {
  display: grid;
  grid-template-columns: 276fr 332fr 258fr;
  column-gap: clamp(28px, 4.6vw, 50px);
  align-items: start;
}

/* a foto estica para terminar junto com o texto, como ela pediu */
.sobre__photo { border-radius: var(--radius-md); overflow: hidden; align-self: stretch; }
.sobre__photo img { width: 100%; height: 100%; object-fit: cover; }

.sobre__text .eyebrow + .body-text { margin-top: var(--space-4); }
.sobre__text .body-text { max-width: 44ch; text-align: justify; text-wrap: pretty; hyphens: auto; }
.sobre__text .body-text + .body-text { margin-top: var(--space-4); }

.signature {
  width: auto;
  height: clamp(38px, 4vw, 50px);
  margin-top: clamp(20px, 2.4vw, 30px);
}
.signature__role {
  margin-top: 10px;
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-body);
}

.pilares {
  display: grid;
  align-self: stretch;
  align-content: space-between;
  gap: clamp(22px, 2.9vw, 34px);
  padding-left: clamp(24px, 3.6vw, 40px);
  border-left: 1px solid var(--color-border);
}
.pilar {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 30px);
}
.pilar + .pilar { padding-top: clamp(22px, 2.9vw, 34px); border-top: 1px solid var(--color-border); }

.pilar__icon {
  width: clamp(30px, 3.3vw, 38px);
  flex: none;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.pilar__label {
  font-size: clamp(0.59rem, 0.96vw, 0.68rem);
  font-weight: 500;
  letter-spacing: .11em;
  line-height: 1.75;
  text-transform: uppercase;
  color: var(--color-body);
}

/* ---------------------------------------------------------- 7. SERVIÇOS */
.servicos { padding-block: var(--section-y); }
.servicos__head { margin-bottom: clamp(24px, 3vw, 38px); }
.servicos__head .section-title { margin-top: var(--space-3); }

.servicos__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 34px) clamp(24px, 3.4vw, 44px);
}

.servicos__grupo {
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}
.servicos__list + .servicos__grupo { margin-top: clamp(28px, 3.4vw, 44px); }

.servico { padding-top: var(--space-4); border-top: 1px solid var(--color-border); }
.servico__num {
  font-family: var(--font-display);
  font-size: var(--size-body);
  color: var(--color-primary);
}
.servico__title {
  margin: var(--space-3) 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--size-card);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-heading);
}
.servico__text { font-size: var(--size-small); line-height: 1.66; }

.servicos__nota {
  max-width: 78ch;
  margin-top: clamp(24px, 3vw, 38px);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--size-small);
  line-height: 1.7;
  color: var(--color-muted);
}

/* ---------------------------------------------------------- 8. PROJETOS */
.projetos { padding-block: var(--section-y); }

/* só o link do portfólio: o título saiu, a faixa acima já anuncia a seção */
.projetos__head {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-5);
  margin-bottom: clamp(16px, 1.9vw, 26px);
}
.projetos__head .section-title { margin-top: var(--space-3); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 24px);
}

.card {
  height: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out),
              border-color var(--dur-normal) var(--ease-out);
}
.card__link { display: flex; flex-direction: column; height: 100%; }
.card__media { overflow: hidden; }
.card__media img {
  width: 100%;
  aspect-ratio: 760 / 458;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-soft);
}
.card__body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex: 1;
  padding: clamp(12px, 1.45vw, 17px) clamp(13px, 1.55vw, 18px) clamp(13px, 1.6vw, 19px);
}
.card__title {
  font-family: var(--font-display);
  font-size: var(--size-card);
  font-weight: 400;
  line-height: 1.25;
  color: var(--color-heading);
}
.card__tag {
  margin-top: 6px;
  font-size: var(--size-eyebrow);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.card__arrow { width: 1.4em; height: 1.4em; color: var(--color-heading); stroke-width: 1.4; }

@media (hover: hover) {
  .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: var(--color-border-soft); }
  .card:hover .card__media img { transform: scale(1.035); }
  .card:hover .card__arrow { transform: translateX(4px); color: var(--color-primary); }
}
.card:focus-within { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }

/* --------------------------------------------------------------- 9. CTA */
.cta {
  position: relative;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding-block: clamp(24px, 2.6vw, 40px);
  overflow: hidden;
}
.cta__arcs {
  position: absolute;
  right: 0; top: 0;
  width: min(20%, 215px);
  height: 100%;
  color: rgba(253, 243, 236, .34);
  pointer-events: none;
}

.cta__grid {
  position: relative;
  display: grid;
  grid-template-columns: 292fr 250fr 172fr 118fr;  /* 4ª coluna = respiro dos arcos */
  column-gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.cta__title {
  font-family: var(--font-display);
  font-size: var(--size-title);
  font-weight: 400;
  line-height: 1.26;
  color: var(--color-on-primary);
}
.cta__text { font-size: var(--size-small); line-height: 1.75; color: rgba(253, 243, 236, .92); }
.cta .btn { justify-content: space-between; }

/* --------------------------------------------- 9b. PÁGINA DE PROJETO */
.projeto-capa { padding-top: clamp(28px, 3.4vw, 48px); }

.link-voltar {
  display: inline-flex;
  align-items: center;
  gap: .7em;
  margin-bottom: clamp(20px, 2.6vw, 32px);
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-body);
  transition: color var(--dur-normal) var(--ease-out);
}
.icon-arrow--voltar { transform: rotate(180deg); }
@media (hover: hover) {
  .link-voltar:hover { color: var(--color-primary); }
  .link-voltar:hover .icon-arrow--voltar { transform: rotate(180deg) translateX(4px); }
}

.projeto-titulo {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--size-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--color-heading);
}
.projeto-resumo {
  max-width: 52ch;
  margin-top: clamp(16px, 2vw, 24px);
  line-height: 1.62;
}

.projeto-foto {
  margin-top: clamp(28px, 3.6vw, 50px);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.projeto-foto img { width: 100%; aspect-ratio: 760 / 458; object-fit: cover; }

.texto-legal { padding-block: clamp(28px, 3.4vw, 48px) var(--section-y); }
.texto-legal .projeto-resumo { margin-bottom: clamp(26px, 3.2vw, 40px); }
.texto-legal h2 {
  margin-top: clamp(26px, 3.2vw, 38px);
  font-family: var(--font-display);
  font-size: var(--size-card);
  font-weight: 400;
  color: var(--color-heading);
}
.texto-legal p { max-width: 68ch; margin-top: var(--space-3); line-height: 1.68; }
.erro-acoes { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(16px, 2.5vw, 30px); }

.projeto-ficha { padding-block: var(--section-y); }
.ficha {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 34px) clamp(24px, 3.4vw, 44px);
}
.ficha__item { padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.ficha dt {
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.ficha dd {
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--size-card);
  line-height: 1.35;
  color: var(--color-heading);
}

.projeto-bloco { padding-block: var(--section-y); }
.projeto-bloco--alt { background: var(--color-bg-alt); }
.projeto-cabeca { margin-bottom: clamp(22px, 2.8vw, 36px); }
.projeto-cabeca .section-title { margin-top: var(--space-3); }

.projeto-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  column-gap: clamp(30px, 5vw, 70px);
  align-items: start;
}
.projeto-grid .section-title { margin: var(--space-3) 0 var(--space-4); }
.projeto-grid .body-text { max-width: 48ch; }

.programa { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(20px, 3vw, 34px); }
.programa li {
  padding-block: clamp(10px, 1.3vw, 14px);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--size-small);
  letter-spacing: .04em;
  color: var(--color-body);
}

.pranchas { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(14px, 1.9vw, 24px); }
.pranchas li {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--size-small);
  line-height: 1.45;
  color: var(--color-body);
}

.obra { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 1.9vw, 24px); }
.obra__etapa img {
  width: 100%;
  aspect-ratio: 420 / 746;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.obra__label {
  margin-top: var(--space-3);
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-body);
}
.obra__nota {
  margin-top: clamp(18px, 2.2vw, 28px);
  font-size: var(--size-small);
  color: var(--color-muted);
}

/* galeria de fotos das páginas de projeto: paisagem em 2 colunas,
   retrato em 4. Mesmo recorte por CSS, só muda a proporção. */
.galeria {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 1.9vw, 24px);
}
.galeria img,
.galeria video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.galeria figcaption {
  margin-top: var(--space-3);
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-body);
}
.galeria--retrato { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.galeria--tres { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.galeria--dois { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.galeria--retrato img,
.galeria--retrato video { aspect-ratio: 3 / 4; }

.galeria__nota {
  margin-top: clamp(18px, 2.2vw, 28px);
  font-size: var(--size-small);
  color: var(--color-muted);
}

/* reel vertical: o vídeo manda na altura, então o texto centraliza ao lado
   em vez de deixar um vão de meia tela embaixo dele */
.projeto-grid--video { align-items: center; }
.video-vertical {
  width: min(100%, 320px);
  justify-self: end;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
/* height: auto anula o atributo height do <video>, senão ele fixa a altura e o
   aspect-ratio nunca entra. */
.video-vertical video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  background: var(--color-heading);
}

/* ----------------------------------------------------------- 10. CONTATO */
.contato { background: var(--color-bg-alt); padding-block: var(--section-y); }
.contato__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(30px, 5vw, 70px);
  align-items: start;
}
.contato__intro .section-title { margin: var(--space-3) 0 var(--space-4); }
.contato__intro .body-text { max-width: 46ch; }
.contato__base {
  margin-top: var(--space-4);
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.canais { display: grid; }
.canal { border-top: 1px solid var(--color-border); }
.canal:last-child { border-bottom: 1px solid var(--color-border); }
.canal a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 2px var(--space-3);
  padding-block: clamp(14px, 1.8vw, 20px);
  transition: color var(--dur-normal) var(--ease-out);
}
.canal__label {
  grid-column: 1;
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.canal__value {
  grid-column: 1;
  font-family: var(--font-display);
  font-size: var(--size-card);
  color: var(--color-heading);
  overflow-wrap: anywhere;
}
.canal__arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; width: 1.4em; height: 1.4em; }
@media (hover: hover) {
  .canal a:hover .canal__value { color: var(--color-primary); }
  .canal a:hover .icon-arrow { transform: translateX(4px); }
}

/* ------------------------------------------------------ 10b. WHATSAPP */
.zap-chamada {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 2.6vw, 32px);
  margin-top: clamp(34px, 4.4vw, 60px);
  padding-top: clamp(28px, 3.4vw, 44px);
  border-top: 1px solid var(--color-border);
}
.zap-chamada__texto {
  max-width: 42ch;
  font-family: var(--font-display);
  font-size: var(--size-card);
  line-height: 1.45;
  color: var(--color-heading);
}

/* verde oficial do WhatsApp; fora da paleta da marca de propósito,
   porque é o sinal que o usuário reconhece */
.btn--zap { background: #25D366; color: #fff; }
@media (hover: hover) {
  .btn--zap:hover { background: #1DA851; --btn-shift: -2px; box-shadow: var(--shadow-card-hover); }
}
.icone-zap { width: 1.35em; height: 1.35em; flex: none; fill: currentColor; }

.zap-flutuante {
  position: fixed;
  z-index: 150;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  color: #fff;
  background: #25D366;
  border-radius: 50%;
  box-shadow: 0 10px 26px -8px rgba(20, 90, 50, .55);
  transition: transform var(--dur-normal) var(--ease-out),
              background var(--dur-normal) var(--ease-out),
              box-shadow var(--dur-normal) var(--ease-out);
}
.zap-flutuante .icone-zap { width: 30px; height: 30px; }
@media (hover: hover) {
  .zap-flutuante:hover { background: #1DA851; transform: translateY(-3px); box-shadow: 0 16px 32px -10px rgba(20, 90, 50, .6); }
}
.zap-flutuante:active { transform: scale(.94); }

/* ------------------------------------------------------------ 11. FOOTER */
.site-footer { padding-block: clamp(24px, 2.7vw, 40px) clamp(12px, 1.3vw, 18px); }

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: clamp(24px, 3vw, 40px);
  padding-bottom: clamp(18px, 2.1vw, 28px);
}
.site-footer__col {
  padding-left: clamp(24px, 3.6vw, 44px);
  border-left: 1px solid var(--color-border);
}

.site-footer__tagline {
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .16em;
  line-height: 1.95;
  text-transform: uppercase;
  color: var(--color-body);
}

.site-footer__signature {
  width: auto;
  height: clamp(30px, 3.2vw, 40px);
  margin-top: var(--space-4);
}

.site-footer__heading {
  margin-bottom: clamp(14px, 1.7vw, 21px);
  font-family: var(--font-sans);
  font-size: var(--size-eyebrow);
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-heading);
}

.site-footer__list { display: grid; gap: 4px; }
.site-footer__list li { font-size: var(--size-small); line-height: 1.45; color: var(--color-body); }
.site-footer__list a { transition: color var(--dur-fast) var(--ease-out); }
@media (hover: hover) { .site-footer__list a:hover { color: var(--color-primary); } }

.social { display: flex; gap: clamp(14px, 1.8vw, 22px); }
.social a {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  color: var(--color-heading);
  transition: color var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out);
}
.social svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
@media (hover: hover) { .social a:hover { color: var(--color-primary); transform: translateY(-2px); } }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: clamp(12px, 1.4vw, 18px);
  border-top: 1px solid var(--color-border);
  font-size: var(--size-small);
  color: var(--color-muted);
}
.site-footer__legal { display: flex; flex-wrap: wrap; gap: .5em; }
.site-footer__bottom a { transition: color var(--dur-fast) var(--ease-out); }
@media (hover: hover) { .site-footer__bottom a:hover { color: var(--color-primary); } }

/* ---------------------------------------------------- 12. MOTION DESIGN */
/* entrada em sequência do hero (dispara no load) */
[data-anim] {
  opacity: 0;
  transform: translateY(18px);
}
[data-hero].is-ready [data-anim] {
  opacity: 1;
  transform: none;
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: calc((var(--i, 1) - 1) * 80ms + 80ms);
}
[data-hero] .hero__media { opacity: 0; transform: scale(1.045); }
[data-hero].is-ready .hero__media {
  opacity: 1;
  transform: none;
  transition: opacity 900ms var(--ease-out), transform 1200ms var(--ease-soft);
}
[data-anim="1"] { --i: 1; } [data-anim="2"] { --i: 2; } [data-anim="3"] { --i: 3; }
[data-anim="4"] { --i: 4; } [data-anim="5"] { --i: 5; }

/* revelação de blocos no scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* stagger dos cards */
[data-stagger] > li {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
[data-stagger].is-visible > li { opacity: 1; transform: none; }
[data-stagger].is-visible > li:nth-child(1) { transition-delay: 0ms; }
[data-stagger].is-visible > li:nth-child(2) { transition-delay: 70ms; }
[data-stagger].is-visible > li:nth-child(3) { transition-delay: 140ms; }
[data-stagger].is-visible > li:nth-child(4) { transition-delay: 210ms; }
[data-stagger].is-visible > li:nth-child(5) { transition-delay: 280ms; }
[data-stagger].is-visible > li:nth-child(6) { transition-delay: 350ms; }

/* ------------------------------------------------------ 13. RESPONSIVO */
@media (max-width: 900px) {
  .cta__grid { grid-template-columns: 1fr 1fr; row-gap: clamp(20px, 3vw, 30px); }
  .cta__title { grid-column: 1 / -1; }
  .cta__arcs { width: min(34%, 280px); }
}

@media (max-width: 900px) {
  .nav, .site-header__cta { display: none; }
  .menu-toggle { display: block; }

  .hero { min-height: 0; padding-block: clamp(36px, 7vw, 56px) 0; display: block; }
  .hero__media {
    /* relative, não static: a malha é absolute e precisa se prender à foto,
       senão ela escapa e cai sobre o texto */
    position: relative;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-top: clamp(34px, 6vw, 52px);
    aspect-ratio: 16 / 10;
  }
  .hero__scrim { display: none; }
  .hero__content { max-width: 34ch; }
  .hero__lead { max-width: 40ch; }

  .sobre__grid { grid-template-columns: 1fr 1fr; row-gap: clamp(30px, 5vw, 44px); }
  .pilares {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-left: 0;
    padding-top: clamp(28px, 4vw, 38px);
    border-left: 0;
    border-top: 1px solid var(--color-border);
    gap: clamp(18px, 3vw, 30px);
  }
  .pilar { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
  .pilar + .pilar { padding-top: 0; border-top: 0; }

  .servicos__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .galeria { grid-template-columns: 1fr; }
  .galeria--retrato { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .ficha { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projeto-grid { grid-template-columns: 1fr; row-gap: clamp(26px, 4vw, 36px); }
  .video-vertical,
  .estudo-3d { justify-self: start; }
  .pranchas { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .contato__grid { grid-template-columns: 1fr; row-gap: clamp(28px, 5vw, 40px); }

  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__col:nth-child(3) { border-left: 0; padding-left: 0; }
}

@media (max-width: 640px) {
  :root { --section-y: clamp(40px, 9vw, 56px); }

  .hero__title { font-size: clamp(2.5rem, 11.5vw, 3.1rem); }
  .hero__actions { flex-direction: column; align-items: stretch; gap: var(--space-4); }
  .hero__actions .btn--primary { justify-content: space-between; }
  .hero__actions .btn--ghost { align-self: flex-start; }

  .sobre__grid { grid-template-columns: 1fr; }
  .sobre__photo { max-width: 340px; }
  .pilares { grid-template-columns: 1fr; }
  .pilar { flex-direction: row; align-items: center; }
  .pilar + .pilar { padding-top: clamp(18px, 4vw, 24px); border-top: 1px solid var(--color-border); }

  .servicos__list { grid-template-columns: 1fr; gap: var(--space-4); }

  .ficha { grid-template-columns: 1fr; }
  .programa { grid-template-columns: 1fr; }
  .pranchas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .obra { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .galeria--retrato { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .projetos__head { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .cards { grid-template-columns: 1fr; gap: var(--space-3); }

  .cta__grid { grid-template-columns: 1fr; row-gap: var(--space-4); }
  .cta .btn { justify-self: start; justify-content: flex-start; }
  .cta__arcs { width: 62%; opacity: .8; }

  .site-footer__grid { grid-template-columns: 1fr; gap: clamp(26px, 7vw, 34px); }
  .site-footer__col { padding-left: 0; border-left: 0; padding-top: clamp(24px, 6vw, 30px); border-top: 1px solid var(--color-border); }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
}

/* --------------------------------------------------- 14. REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  [data-anim],
  [data-reveal],
  [data-stagger] > li,
  [data-hero] .hero__media {
    opacity: 1 !important;
    transform: none !important;
  }
}
.servico__link { margin-top: var(--space-3); }

/* imagem 3D ao lado do texto, mesma coluna estreita do reel vertical */
.estudo-3d { width: min(100%, 320px); justify-self: end; }
.estudo-3d img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: var(--radius-md); }
.estudo-3d--largo { width: min(100%, 460px); }
.estudo-3d--largo img { aspect-ratio: 4 / 3; }
.estudo-3d figcaption {
  margin-top: var(--space-3);
  font-size: var(--size-eyebrow);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* -------------------------------------------- 8b. FAIXA DE TRANSIÇÃO */
.faixa {
  position: relative;
  display: grid;
  align-items: center;
  min-height: clamp(220px, 26vw, 380px);
  overflow: hidden;
}
.faixa > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.faixa::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(28, 20, 14, .62) 0%, rgba(28, 20, 14, .34) 55%, rgba(28, 20, 14, .18) 100%);
}
.faixa .container { position: relative; z-index: 1; }
.faixa__titulo {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.4vw, 3.1rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -.01em;
  /* laranja institucional: o #C9552B do resto do site some sobre a foto escura */
  color: #F86F4F;
}

/* ------------------------------------------------ 8c. CATEGORIAS */
.categorias {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.7vw, 22px);
  margin-bottom: clamp(24px, 3vw, 38px);
}
.categoria { display: block; width: 100%; }
.categoria img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  filter: grayscale(.35);
  transition: filter var(--dur-normal) var(--ease-out),
              outline-color var(--dur-normal) var(--ease-out);
  outline: 2px solid transparent;
  outline-offset: 2px;
}
.categoria__nome {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--size-small);
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-body);
  transition: color var(--dur-normal) var(--ease-out);
}
@media (hover: hover) {
  .categoria:hover img { filter: grayscale(0); }
  .categoria:hover .categoria__nome { color: var(--color-primary); }
}


/* ------------------------------------------------- 6b. TRAJETÓRIA */
.trajetoria { padding-block: var(--section-y); }
.trajetoria__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  column-gap: clamp(30px, 5vw, 70px);
  align-items: start;
}
.trajetoria__grid .body-text { max-width: 54ch; }
.trajetoria__grid .body-text + .body-text { margin-top: var(--space-4); }
.trajetoria__grid .ficha { grid-template-columns: 1fr; }

.competencias { margin-top: clamp(28px, 3.4vw, 46px); }
.competencias .programa { margin-top: var(--space-4); grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* responsivo dos blocos novos: fica no fim do arquivo porque as regras base
   também estão aqui embaixo, e a ordem é que decide no empate. */
@media (max-width: 900px) {
  .categorias { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trajetoria__grid { grid-template-columns: 1fr; row-gap: clamp(26px, 4vw, 36px); }
  .competencias .programa { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .video-vertical,
  .estudo-3d { justify-self: start; }
}
@media (max-width: 640px) {
  .categorias { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faixa__titulo { font-size: clamp(1.6rem, 8vw, 2.2rem); }
}

/* link dentro de parágrafo corrido */
.link-texto { color: var(--color-primary); border-bottom: 1px solid currentColor; }
@media (hover: hover) { .link-texto:hover { color: var(--color-primary-600); } }

/* capa das páginas de categoria: sem foto, só o texto */
.categoria-capa { padding-bottom: 0; }
.categoria-contagem {
  margin-bottom: clamp(18px, 2.2vw, 28px);
  font-size: var(--size-small);
  color: var(--color-muted);
}