/* ==========================================================================
   HIDRO MINAS — Design System
   Tokens -> Base -> Layout -> Components -> Sections -> Utilities
   ==========================================================================
   IDENTIDADE: a paleta abaixo foi extraida da logo oficial da Hidro Minas.
   Cores amostradas direto do arquivo entregue:
     azul-marinho  #133359   (wordmark "IDRO", flanges e parafusos)
     ambar         #F7A30F   (barra sob o wordmark)
     aco           #6A7B8D   (corpo dos cilindros e a palavra "MINAS")
   Todo o site deriva desses tres tokens.
   ========================================================================== */

:root {
  /* --- Cor: estrutura escura (grafite com veio azulado da marca) --- */
  --hm-ink-950: #060C14;
  --hm-ink-900: #0A121D;
  --hm-ink-850: #0E1826;
  --hm-ink-800: #132030;
  --hm-ink-700: #1B2C3F;
  --hm-line:    #22344A;
  --hm-line-soft: rgba(255, 255, 255, .10);

  /* --- Cor: neutros claros (aco da logo) --- */
  --hm-steel-600: #55636F;
  --hm-steel-500: #6A7B8D;  /* aco exato da logo */
  --hm-steel-400: #8B98A5;
  --hm-steel-300: #A9B4BF;
  --hm-steel-200: #C7CFD7;
  --hm-steel-100: #E3E8EC;
  --hm-paper:     #F4F6F8;
  --hm-white:     #FFFFFF;

  /* --- Cor: marca --- */
  --hm-blue-800: #071527;
  --hm-blue-700: #0E2745;
  --hm-blue-600: #133359;  /* azul-marinho exato da logo */
  --hm-blue-500: #1E4E85;
  --hm-blue-400: #3277C4;  /* clareado, para detalhes sobre fundo escuro */
  --hm-amber-600: #C9820A;
  --hm-amber-500: #F7A30F;  /* ambar exato da logo */
  --hm-amber-400: #FFBB44;
  --hm-whats:     #25D366;

  /* --- Tipografia --- */
  --hm-font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --hm-font-mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", "Roboto Mono", monospace;

  --hm-fs-eyebrow: .75rem;
  --hm-fs-small:   .875rem;
  --hm-fs-body:    1rem;
  --hm-fs-lead:    clamp(1.05rem, .98rem + .35vw, 1.25rem);
  --hm-fs-h4:      clamp(1.05rem, 1rem + .25vw, 1.2rem);
  --hm-fs-h3:      clamp(1.25rem, 1.12rem + .5vw, 1.6rem);
  --hm-fs-h2:      clamp(1.7rem, 1.3rem + 1.55vw, 2.85rem);
  --hm-fs-h1:      clamp(2rem, 1.28rem + 2.6vw, 3.6rem);

  /* --- Espacamento / grid --- */
  --hm-gutter: clamp(1.25rem, 4vw, 3rem);
  --hm-maxw: 1260px;
  --hm-maxw-narrow: 780px;
  --hm-section-y: clamp(4rem, 8vw, 8.5rem);
  --hm-gap: clamp(1rem, 2vw, 1.75rem);

  /* --- Forma --- */
  --hm-radius: 3px;
  --hm-radius-lg: 5px;
  --hm-shadow: 0 18px 45px -22px rgba(7, 11, 15, .55);
  --hm-shadow-lg: 0 34px 70px -30px rgba(7, 11, 15, .7);

  /* --- Movimento --- */
  --hm-ease: cubic-bezier(.22, .61, .36, 1);
  --hm-dur: .45s;

  /* 88px: a logo oficial e um lockup com simbolo (engrenagem) mais wordmark de
     duas linhas. Ela precisa de mais altura que um wordmark simples para o
     "HIDRO MINAS" continuar legivel. Ver .brand img. */
  --hm-header-h: 88px;
}

/* ==========================================================================
   BASE
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--hm-paper);
  color: var(--hm-ink-900);
  font-family: var(--hm-font-sans);
  font-size: var(--hm-fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; background: var(--hm-ink-800); }

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.06;
  letter-spacing: -.022em;
  font-weight: 700;
  text-wrap: balance;
}
h1 { font-size: var(--hm-fs-h1); letter-spacing: -.032em; }
h2 { font-size: var(--hm-fs-h2); letter-spacing: -.028em; }
h3 { font-size: var(--hm-fs-h3); }
h4 { font-size: var(--hm-fs-h4); line-height: 1.25; }

p { margin: 0 0 1.1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration-color: rgba(19, 51, 89, .45); text-underline-offset: .18em; }

ul, ol { margin: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--hm-amber-500);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--hm-amber-500); color: var(--hm-ink-950); }

.skip-link {
  position: absolute;
  left: var(--hm-gutter); top: -100px;
  z-index: 200;
  padding: .8rem 1.25rem;
  background: var(--hm-amber-500);
  color: var(--hm-ink-950);
  font-weight: 700;
  border-radius: var(--hm-radius);
  transition: top .2s var(--hm-ease);
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

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

.section { padding-block: var(--hm-section-y); }
.section--tight { padding-block: clamp(3rem, 5.5vw, 5rem); }
.section--dark { background: var(--hm-ink-900); color: var(--hm-steel-200); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--hm-white); }
.section--ink { background: var(--hm-ink-950); color: var(--hm-steel-200); }
.section--ink h2, .section--ink h3, .section--ink h4 { color: var(--hm-white); }

/* Cabecalho de secao ------------------------------------------------------ */

.eyebrow {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 0 0 1.1rem;
  font-family: var(--hm-font-mono);
  font-size: var(--hm-fs-eyebrow);
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--hm-blue-600);
}
.eyebrow::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--hm-amber-500);
  flex: none;
}
.section--dark .eyebrow, .section--ink .eyebrow { color: var(--hm-amber-500); }
.section--dark .eyebrow::before, .section--ink .eyebrow::before { background: var(--hm-blue-400); }

.section-head { max-width: 62ch; margin-bottom: clamp(2.25rem, 4vw, 3.75rem); }
.section-head .lead { font-size: var(--hm-fs-lead); color: var(--hm-steel-600); margin-top: 1.1rem; }
.section--dark .section-head .lead,
.section--ink .section-head .lead { color: var(--hm-steel-300); }

.section-head--split {
  max-width: none;
  display: grid;
  gap: var(--hm-gap);
  align-items: end;
}
@media (min-width: 900px) {
  .section-head--split { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 5rem); }
  .section-head--split .lead { margin-top: 0; padding-bottom: .35rem; }
}

/* ==========================================================================
   BOTOES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 52px;
  padding: .85rem 1.6rem;
  border: 1px solid transparent;
  border-radius: var(--hm-radius);
  font: inherit;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .25s var(--hm-ease), border-color .25s var(--hm-ease),
              color .25s var(--hm-ease), transform .25s var(--hm-ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { flex: none; }

.btn--primary { background: var(--hm-amber-500); color: var(--hm-ink-950); }
.btn--primary:hover { background: var(--hm-amber-400); }

.btn--whats { background: var(--hm-whats); color: #05301A; }
.btn--whats:hover { background: #34E27A; }

.btn--blue { background: var(--hm-blue-600); color: var(--hm-white); }
.btn--blue:hover { background: var(--hm-blue-500); }

.btn--ghost {
  background: transparent;
  color: var(--hm-white);
  border-color: rgba(255, 255, 255, .32);
}
.btn--ghost:hover { border-color: var(--hm-white); background: rgba(255, 255, 255, .08); }

.btn--outline {
  background: transparent;
  color: var(--hm-ink-900);
  border-color: rgba(12, 18, 24, .22);
}
.btn--outline:hover { border-color: var(--hm-ink-900); background: rgba(12, 18, 24, .05); }

.btn-row { display: flex; flex-wrap: wrap; gap: .9rem; }

/* Link com seta ----------------------------------------------------------- */

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .02em;
  color: var(--hm-blue-600);
  text-decoration: none;
}
.arrow-link::after {
  content: "";
  width: 18px; height: 8px;
  background: currentColor;
  clip-path: polygon(0 3px, 12px 3px, 12px 0, 18px 4px, 12px 8px, 12px 5px, 0 5px);
  transition: transform .3s var(--hm-ease);
}
.arrow-link:hover::after { transform: translateX(5px); }
.section--dark .arrow-link, .section--ink .arrow-link { color: var(--hm-amber-500); }

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--hm-header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .35s var(--hm-ease), border-color .35s var(--hm-ease),
              backdrop-filter .35s var(--hm-ease);
}
.site-header::before {
  content: "";
  position: absolute; inset: 0;
  /* Garante contraste do menu sobre qualquer fotografia do hero */
  background: linear-gradient(to bottom, rgba(7, 11, 15, .88) 0%, rgba(7, 11, 15, .55) 70%, rgba(7, 11, 15, 0) 100%);
  opacity: 1;
  transition: opacity .35s var(--hm-ease);
  pointer-events: none;
}
.site-header.is-solid {
  background: rgba(8, 13, 18, .93);
  border-bottom-color: var(--hm-line);
  backdrop-filter: saturate(140%) blur(10px);
}
.site-header.is-solid::before { opacity: 0; }
/* Paginas internas ja iniciam com a barra solida */
body.has-solid-header .site-header { background: rgba(8, 13, 18, .93); border-bottom-color: var(--hm-line); }
body.has-solid-header .site-header::before { opacity: 0; }

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  width: 100%;
  position: relative;
}

/* A logo tem simbolo + duas linhas de wordmark ("HIDRO" + "MINAS") + tagline,
   numa proporcao de 1,54:1. Abaixo de ~60px de altura o wordmark deixa de ser
   legivel, por isso ela pede mais espaco que um wordmark de linha unica. */
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; flex: none; }
.brand img { height: 66px; width: auto; background: none; }
@media (max-width: 640px) { .brand img { height: 54px; } }

.nav { margin-left: auto; }
/* O CTA dentro do <nav> existe apenas para o painel mobile */
.nav > .btn { display: none; }
.nav ul { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); list-style: none; }
.nav ul a {
  display: block;
  padding: .35rem 0;
  color: var(--hm-steel-200);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  transition: color .25s var(--hm-ease);
}
.nav ul a::after {
  content: "";
  position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--hm-amber-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--hm-ease);
}
.nav ul a:hover { color: var(--hm-white); }
.nav ul a:hover::after, .nav ul a[aria-current="page"]::after { transform: scaleX(1); }
.nav ul a[aria-current="page"] { color: var(--hm-white); }

.header-cta { flex: none; }
.header-cta .btn { min-height: 44px; padding: .55rem 1.15rem; font-size: .84rem; }

.nav-toggle {
  display: none;
  flex: none;
  margin-left: auto;
  width: 46px; height: 46px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: var(--hm-radius);
  color: var(--hm-white);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform .3s var(--hm-ease), opacity .2s var(--hm-ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1040px) {
  .nav-toggle { display: block; }
  .header-cta { display: none; }

  .nav {
    position: fixed;
    inset: var(--hm-header-h) 0 0 0;
    margin: 0;
    background: var(--hm-ink-950);
    padding: clamp(1.5rem, 5vw, 3rem) var(--hm-gutter) 3rem;
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .4s var(--hm-ease), visibility .4s;
  }
  .nav.is-open { transform: translateX(0); visibility: visible; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav li { border-bottom: 1px solid var(--hm-line); }
  .nav ul a {
    padding: 1.15rem 0;
    font-size: 1.05rem;
    letter-spacing: .04em;
  }
  .nav ul a::after { display: none; }
  .nav ul a[aria-current="page"] { color: var(--hm-amber-500); }
  .nav > .btn { display: inline-flex; margin-top: 2rem; width: 100%; }
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(94svh, 900px);
  padding-top: calc(var(--hm-header-h) + 3rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background: var(--hm-ink-950);
  color: var(--hm-white);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 55% 50%; }
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to right, rgba(7, 11, 15, .93) 0%, rgba(7, 11, 15, .78) 42%, rgba(7, 11, 15, .35) 100%),
    linear-gradient(to top, rgba(7, 11, 15, .96) 2%, rgba(7, 11, 15, .15) 55%);
}
.hero .wrap { position: relative; z-index: 1; width: 100%; }
/* max-width no proprio h1: assim `ch` usa o tamanho da fonte do titulo */
.hero h1 { color: var(--hm-white); max-width: 21ch; }
.hero__sub {
  max-width: 56ch;
  margin: clamp(1.25rem, 2.5vw, 1.9rem) 0 clamp(1.75rem, 3vw, 2.5rem);
  font-size: var(--hm-fs-lead);
  color: var(--hm-steel-200);
}
.hero .eyebrow { color: var(--hm-amber-500); }
.hero .eyebrow::before { background: var(--hm-blue-400); }

.hero__specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  background: var(--hm-line-soft);
  border-top: 1px solid var(--hm-line-soft);
  border-bottom: 1px solid var(--hm-line-soft);
}
.hero__specs li {
  list-style: none;
  padding: 1rem 1.15rem;
  background: rgba(7, 11, 15, .55);
  font-family: var(--hm-font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--hm-steel-300);
}
.hero__specs li strong { display: block; color: var(--hm-white); font-size: .82rem; letter-spacing: .08em; }

/* Hero compacto das paginas internas -------------------------------------- */

.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(62svh, 560px);
  padding-top: calc(var(--hm-header-h) + 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background: var(--hm-ink-950);
  color: var(--hm-white);
  overflow: hidden;
}
.page-hero__media { position: absolute; inset: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to right, rgba(7, 11, 15, .92) 0%, rgba(7, 11, 15, .7) 55%, rgba(7, 11, 15, .45) 100%),
    linear-gradient(to top, rgba(7, 11, 15, .92), rgba(7, 11, 15, .1) 60%);
}
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: var(--hm-white); max-width: 18ch; }
.page-hero p { max-width: 58ch; margin-top: 1.25rem; font-size: var(--hm-fs-lead); color: var(--hm-steel-200); }

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: .5rem;
  list-style: none;
  margin: 0 0 1.5rem;
  font-family: var(--hm-font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hm-steel-400);
}
.breadcrumb a { color: var(--hm-steel-300); text-decoration: none; }
.breadcrumb a:hover { color: var(--hm-amber-500); }
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: var(--hm-steel-600); }

/* ==========================================================================
   APRESENTACAO (texto + imagens)
   ========================================================================== */

.split {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .split--wide-text { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
  .split--media-first > :first-child { order: 2; }
}

.stack-media {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--hm-gap);
}
.stack-media figure { margin: 0; overflow: hidden; border-radius: var(--hm-radius); min-height: 0; }
.stack-media img { width: 100%; height: 100%; object-fit: cover; }
/* A coluna alta ocupa as duas linhas; a altura vem das duas fotos ao lado. */
.stack-media .tall { grid-row: span 2; }
.stack-media .short { aspect-ratio: 4 / 3; }

.rule-list { list-style: none; margin: 1.75rem 0 0; }
.rule-list li {
  position: relative;
  padding: .85rem 0 .85rem 1.9rem;
  border-top: 1px solid rgba(12, 18, 24, .12);
  font-size: .97rem;
}
.rule-list li:last-child { border-bottom: 1px solid rgba(12, 18, 24, .12); }
.rule-list li::before {
  content: "";
  position: absolute; left: 0; top: 1.42rem;
  width: 10px; height: 2px;
  background: var(--hm-amber-500);
}
.section--dark .rule-list li, .section--ink .rule-list li { border-color: var(--hm-line); }

/* ==========================================================================
   CARDS DE SERVICO
   ========================================================================== */

.service-grid {
  display: grid;
  gap: var(--hm-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--hm-white);
  border: 1px solid rgba(12, 18, 24, .1);
  border-radius: var(--hm-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color .3s var(--hm-ease), transform .35s var(--hm-ease), box-shadow .35s var(--hm-ease);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(19, 51, 89, .5);
  box-shadow: var(--hm-shadow);
}
.service-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--hm-ink-800); }
.service-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--hm-ease); }
.service-card:hover .service-card__media img { transform: scale(1.045); }

.service-card__body { padding: clamp(1.25rem, 2.5vw, 1.75rem); display: flex; flex-direction: column; flex: 1; }

/* Card sem fotografia: o topo em ambar deixa a ausencia de imagem intencional
   em vez de parecer um buraco no grid. */
.service-card--nomedia { border-top: 3px solid var(--hm-amber-500); }
.service-card--nomedia .service-card__body { padding-top: clamp(1.6rem, 3vw, 2.25rem); }

/* Card largo: ocupa a linha inteira quando sobraria sozinho no grid. */
@media (min-width: 1100px) {
  .service-card--wide { grid-column: 1 / -1; flex-direction: row; }
  .service-card--wide .service-card__media { flex: 1 1 55%; aspect-ratio: auto; }
  .service-card--wide .service-card__body {
    flex: 1 1 45%;
    justify-content: center;
    padding: clamp(2rem, 3.5vw, 3rem);
  }
  .service-card--wide h3 { font-size: 1.5rem; }
  .service-card--wide p { max-width: 46ch; }
}
.service-card__num {
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--hm-blue-600);
  margin-bottom: .7rem;
}
.service-card h3 { margin-bottom: .6rem; font-size: 1.18rem; }
.service-card p { font-size: .93rem; color: var(--hm-steel-600); margin-bottom: 1.25rem; }
.service-card .arrow-link { margin-top: auto; }

/* Variante escura, usada na home ------------------------------------------ */
.section--dark .service-card, .section--ink .service-card {
  background: var(--hm-ink-850);
  border-color: var(--hm-line);
  color: var(--hm-steel-200);
}
.section--dark .service-card:hover, .section--ink .service-card:hover { border-color: var(--hm-blue-400); }
.section--dark .service-card p, .section--ink .service-card p { color: var(--hm-steel-400); }
.section--dark .service-card__num, .section--ink .service-card__num { color: var(--hm-amber-500); }

/* Detalhe de servico (pagina servicos) ------------------------------------ */

.service-detail {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid rgba(12, 18, 24, .12);
  scroll-margin-top: calc(var(--hm-header-h) + 24px);
}
@media (min-width: 900px) {
  .service-detail { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  .service-detail--flip > .service-detail__media { order: -1; }
}
.service-detail__media { display: grid; gap: var(--hm-gap); }
.service-detail__media figure { margin: 0; }
.service-detail__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--hm-radius); }
.service-detail__media--pair { grid-template-columns: 1fr 1fr; }
.service-detail__media--pair img { aspect-ratio: 3 / 4; }
.service-detail h2 { margin-bottom: 1rem; }
.service-detail .lead { font-size: var(--hm-fs-lead); color: var(--hm-steel-600); }

.figcap {
  margin-top: .55rem;
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--hm-steel-600);
}
.section--dark .figcap, .section--ink .figcap { color: var(--hm-steel-300); }

/* ==========================================================================
   ANTES E DEPOIS
   ========================================================================== */

.ba-grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.ba-card {
  background: var(--hm-ink-850);
  border: 1px solid var(--hm-line);
  border-radius: var(--hm-radius);
  overflow: hidden;
}

.ba {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--hm-ink-800);
  --ba-pos: 50%;
  touch-action: pan-y;
}
.ba img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}
.ba__after { clip-path: inset(0 0 0 var(--ba-pos)); }

.ba__tag {
  position: absolute;
  top: .85rem;
  z-index: 3;
  padding: .3rem .6rem;
  background: rgba(7, 11, 15, .82);
  border: 1px solid var(--hm-line-soft);
  border-radius: 2px;
  font-family: var(--hm-font-mono);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--hm-white);
  pointer-events: none;
}
.ba__tag--before { left: .85rem; }
.ba__tag--after { right: .85rem; color: var(--hm-amber-400); }

.ba__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--ba-pos);
  width: 2px;
  margin-left: -1px;
  background: var(--hm-white);
  z-index: 4;
  pointer-events: none;
}
.ba__handle::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 46px; height: 46px;
  transform: translate(-50%, -50%);
  border: 2px solid var(--hm-white);
  border-radius: 50%;
  background: rgba(7, 11, 15, .45);
  backdrop-filter: blur(2px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, .45);
}
.ba__handle::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 20px; height: 10px;
  transform: translate(-50%, -50%);
  z-index: 1;
  background: var(--hm-white);
  clip-path: polygon(0 5px, 5px 0, 5px 10px, 0 5px, 20px 5px, 15px 0, 15px 10px, 20px 5px);
}

.ba__range {
  position: absolute;
  inset: 0;
  z-index: 5;
  width: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}
.ba__range::-webkit-slider-thumb { -webkit-appearance: none; width: 46px; height: 100%; cursor: ew-resize; }
.ba__range::-moz-range-thumb { width: 46px; height: 999px; border: 0; cursor: ew-resize; }
.ba__range:focus-visible + .ba__handle::after { border-color: var(--hm-amber-500); box-shadow: 0 0 0 4px rgba(242, 162, 12, .35); }

.ba-card__body { padding: clamp(1.1rem, 2.5vw, 1.6rem); }
.ba-card__body h3 { color: var(--hm-white); font-size: 1.12rem; margin-bottom: .5rem; }
.ba-card__body p { font-size: .9rem; color: var(--hm-steel-400); margin: 0; }

/* Card estatico (foto que ja mostra antes e depois) ------------------------ */
.ba-card__still { aspect-ratio: 4 / 5; overflow: hidden; }
.ba-card__still img { width: 100%; height: 100%; object-fit: cover; }

/* Sequencia de processo --------------------------------------------------- */

.process {
  display: grid;
  gap: var(--hm-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
  counter-reset: step;
}
.process__step { position: relative; }
.process__step figure { margin: 0; overflow: hidden; border-radius: var(--hm-radius); }
.process__step img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.process__step :is(h3, h4) {
  margin: 1rem 0 .4rem;
  color: var(--hm-white);
  font-size: var(--hm-fs-h4);
  line-height: 1.25;
}
.process__step p { font-size: .89rem; color: var(--hm-steel-400); margin: 0; }
.process__step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: .8rem; left: .8rem;
  z-index: 2;
  padding: .3rem .55rem;
  background: var(--hm-amber-500);
  color: var(--hm-ink-950);
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
}

/* ==========================================================================
   ESTRUTURA
   ========================================================================== */

.feature-media {
  position: relative;
  border-radius: var(--hm-radius);
  overflow: hidden;
}
.feature-media img { width: 100%; height: 100%; object-fit: cover; }

.machine-strip {
  display: grid;
  gap: var(--hm-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  margin-top: clamp(2rem, 4vw, 3.5rem);
}
.machine {
  background: var(--hm-ink-850);
  border: 1px solid var(--hm-line);
  border-radius: var(--hm-radius);
  overflow: hidden;
}
.machine img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.machine__body { padding: 1rem 1.15rem 1.25rem; }
.machine__body :is(h3, h4) { color: var(--hm-white); font-size: 1rem; margin-bottom: .3rem; }
.machine__body p {
  margin: 0;
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--hm-steel-400);
}

/* Variante para uso sobre fundo claro (secao Estrutura da home) */
.machine--light { background: var(--hm-white); border-color: rgba(12, 18, 24, .1); }
.machine--light .machine__body :is(h3, h4) { color: var(--hm-ink-900); }
.machine--light .machine__body p { color: var(--hm-steel-600); }

/* ==========================================================================
   EQUIPAMENTOS PESADOS — mosaico
   ========================================================================== */

.mosaic {
  display: grid;
  gap: var(--hm-gap);
  grid-template-columns: repeat(2, 1fr);
}
.mosaic figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--hm-radius); }
.mosaic img { width: 100%; height: 100%; object-fit: cover; }
.mosaic__a { aspect-ratio: 4 / 3; }
.mosaic__b { aspect-ratio: 4 / 3; }
.mosaic__c { aspect-ratio: 3 / 4; }
@media (min-width: 760px) {
  .mosaic { grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(0, auto); }
  .mosaic__a { grid-column: span 2; grid-row: span 2; aspect-ratio: 1 / 1; }
  .mosaic__b { grid-column: span 2; aspect-ratio: 2 / 1; }
  .mosaic__c { grid-column: span 1; aspect-ratio: 1 / 1; }
}

/* ==========================================================================
   SETORES
   ========================================================================== */

.sectors {
  display: grid;
  gap: 1px;
  background: rgba(12, 18, 24, .12);
  border: 1px solid rgba(12, 18, 24, .12);
  border-radius: var(--hm-radius);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}
.sector {
  background: var(--hm-white);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: background-color .3s var(--hm-ease);
}
.sector:hover { background: var(--hm-steel-100); }
.sector__idx {
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--hm-blue-600); /* ambar nao atinge 4.5:1 sobre branco neste tamanho */
}
.sector h3 { font-size: 1.12rem; }
.sector p { font-size: .92rem; color: var(--hm-steel-600); margin: 0; }

.section--dark .sectors, .section--ink .sectors { background: var(--hm-line); border-color: var(--hm-line); }
.section--dark .sector, .section--ink .sector { background: var(--hm-ink-850); }
.section--dark .sector:hover, .section--ink .sector:hover { background: var(--hm-ink-800); }
.section--dark .sector p, .section--ink .sector p { color: var(--hm-steel-400); }
.section--dark .sector__idx, .section--ink .sector__idx { color: var(--hm-amber-500); }

/* ==========================================================================
   GALERIA
   ========================================================================== */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}
.filter {
  padding: .55rem 1.05rem;
  background: transparent;
  border: 1px solid rgba(12, 18, 24, .2);
  border-radius: 100px;
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--hm-steel-600);
  cursor: pointer;
  transition: all .25s var(--hm-ease);
}
.filter:hover { border-color: var(--hm-ink-900); color: var(--hm-ink-900); }
.filter[aria-pressed="true"] {
  background: var(--hm-ink-900);
  border-color: var(--hm-ink-900);
  color: var(--hm-white);
}
.section--dark .filter, .section--ink .filter { border-color: var(--hm-line); color: var(--hm-steel-300); }
.section--dark .filter:hover, .section--ink .filter:hover { border-color: var(--hm-steel-300); color: var(--hm-white); }
.section--dark .filter[aria-pressed="true"], .section--ink .filter[aria-pressed="true"] {
  background: var(--hm-amber-500); border-color: var(--hm-amber-500); color: var(--hm-ink-950);
}

.gallery {
  display: grid;
  gap: var(--hm-gap);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
}
.gallery__item {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: var(--hm-ink-800);
  border-radius: var(--hm-radius);
  overflow: hidden;
  cursor: zoom-in;
  aspect-ratio: 4 / 5;
}
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--hm-ease); }
.gallery__item:hover img { transform: scale(1.05); }
.gallery__item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(7, 11, 15, .85), rgba(7, 11, 15, 0) 55%);
  opacity: 0;
  transition: opacity .35s var(--hm-ease);
}
.gallery__item:hover::after, .gallery__item:focus-visible::after { opacity: 1; }
.gallery__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 1;
  padding: 1rem;
  text-align: left;
  font-size: .84rem;
  font-weight: 600;
  color: var(--hm-white);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s var(--hm-ease), transform .35s var(--hm-ease);
}
.gallery__item:hover .gallery__cap, .gallery__item:focus-visible .gallery__cap { opacity: 1; transform: translateY(0); }
.gallery__item[hidden] { display: none; }

/* Lightbox ---------------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(5, 8, 11, .96);
}
.lightbox[open] { display: flex; }
.lightbox__fig { margin: 0; max-width: min(1100px, 100%); max-height: 100%; display: flex; flex-direction: column; gap: 1rem; }
.lightbox__fig img {
  max-width: 100%;
  max-height: calc(100svh - 12rem);
  width: auto; height: auto;
  margin-inline: auto;
  object-fit: contain;
  border-radius: var(--hm-radius);
  background: transparent;
}
.lightbox__cap {
  text-align: center;
  font-size: .9rem;
  color: var(--hm-steel-300);
}
.lightbox__cap span {
  display: block;
  margin-top: .3rem;
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hm-steel-500);
}
.lightbox__btn {
  position: absolute;
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  padding: 0;
  background: rgba(255, 255, 255, .08);
  border: 1px solid var(--hm-line-soft);
  border-radius: 50%;
  color: var(--hm-white);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color .25s var(--hm-ease);
}
.lightbox__btn:hover { background: rgba(255, 255, 255, .2); }
.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lightbox__prev { left: clamp(.5rem, 2vw, 2rem); top: 50%; transform: translateY(-50%); }
.lightbox__next { right: clamp(.5rem, 2vw, 2rem); top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) {
  .lightbox__prev { left: 1rem; top: auto; bottom: 1.25rem; transform: none; }
  .lightbox__next { right: 1rem; top: auto; bottom: 1.25rem; transform: none; }
}

/* ==========================================================================
   DIFERENCIAIS
   ========================================================================== */

.pillars {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem) var(--hm-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}
.pillar { padding-top: 1.5rem; border-top: 2px solid var(--hm-amber-500); }
.pillar h3 { font-size: 1.08rem; margin-bottom: .55rem; }
.pillar p { font-size: .93rem; color: var(--hm-steel-600); margin: 0; }
.section--dark .pillar p, .section--ink .pillar p { color: var(--hm-steel-400); }

/* ==========================================================================
   CTA
   ========================================================================== */

.cta-band {
  position: relative;
  padding-block: clamp(4rem, 8vw, 7rem);
  background: var(--hm-ink-950);
  color: var(--hm-white);
  overflow: hidden;
}
.cta-band__media { position: absolute; inset: 0; }
.cta-band__media img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.cta-band__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(7, 11, 15, .97) 30%, rgba(7, 11, 15, .6) 100%);
}
.cta-band .wrap { position: relative; z-index: 1; }
.cta-band h2 { max-width: 20ch; color: var(--hm-white); }
.cta-band p { max-width: 52ch; margin: 1.25rem 0 2rem; font-size: var(--hm-fs-lead); color: var(--hm-steel-200); }

/* ==========================================================================
   CONTATO
   ========================================================================== */

.contact-grid { display: grid; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); } }

.contact-block + .contact-block { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--hm-line); }
.contact-block h3 {
  font-family: var(--hm-font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--hm-amber-500);
  margin-bottom: .85rem;
}
.contact-block address { font-style: normal; font-size: 1.02rem; line-height: 1.75; }
.contact-block a { text-decoration: none; transition: color .25s var(--hm-ease); }
.contact-block a:hover { color: var(--hm-amber-500); }
.phone-list { list-style: none; display: grid; gap: .4rem; }
.phone-list a { display: inline-flex; align-items: center; gap: .55rem; font-size: 1.05rem; font-weight: 600; }
.phone-list svg { flex: none; color: var(--hm-whats); }

/* Formulario -------------------------------------------------------------- */

.form {
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  background: var(--hm-ink-850);
  border: 1px solid var(--hm-line);
  border-radius: var(--hm-radius);
}
.form__grid { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { .form__row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; } }

.field { display: flex; flex-direction: column; gap: .45rem; }
.field label {
  font-family: var(--hm-font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--hm-steel-400);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: .8rem .95rem;
  background: var(--hm-ink-900);
  border: 1px solid var(--hm-line);
  border-radius: var(--hm-radius);
  color: var(--hm-white);
  font: inherit;
  font-size: .96rem;
  transition: border-color .25s var(--hm-ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--hm-steel-600); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--hm-blue-400); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--hm-amber-500); outline-offset: 2px;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--hm-steel-400) 50%), linear-gradient(135deg, var(--hm-steel-400) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; padding-right: 2.5rem; }
.form__note { margin-top: 1rem; font-size: .8rem; color: var(--hm-steel-400); }
.form .btn { width: 100%; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--hm-ink-950);
  color: var(--hm-steel-400);
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  font-size: .93rem;
}
.site-footer :is(h2, h4) {
  font-family: var(--hm-font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--hm-white);
  margin-bottom: 1.1rem;
}
.footer-grid {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.footer-grid > :first-child { grid-column: 1 / -1; }
@media (min-width: 860px) { .footer-grid > :first-child { grid-column: auto; max-width: 320px; } }
.footer-grid ul { list-style: none; display: grid; gap: .6rem; }
.footer-grid a { text-decoration: none; transition: color .25s var(--hm-ease); }
.footer-grid a:hover { color: var(--hm-amber-500); }
.footer-brand img { height: 76px; width: auto; background: none; margin-bottom: 1.25rem; }
.footer-brand p { font-size: .92rem; line-height: 1.7; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.5rem;
  border-top: 1px solid var(--hm-line);
  font-family: var(--hm-font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--hm-steel-400);
}

/* ==========================================================================
   BOTAO FLUTUANTE WHATSAPP
   ========================================================================== */

.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  height: 56px;
  padding: 0 1.15rem;
  background: var(--hm-whats);
  color: #042C17;
  border-radius: 100px;
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 14px 34px -12px rgba(37, 211, 102, .65), 0 4px 12px rgba(0, 0, 0, .25);
  transition: transform .3s var(--hm-ease), background-color .3s var(--hm-ease);
}
.wa-float:hover { transform: translateY(-3px); background: #34E27A; }
.wa-float svg { flex: none; }
@media (max-width: 620px) {
  .wa-float { width: 56px; padding: 0; justify-content: center; }
  .wa-float span { display: none; }
}

/* ==========================================================================
   ANIMACOES DE SCROLL
   ========================================================================== */

/* Progressive enhancement: sem JS, o conteudo permanece visivel.
   A classe .js e adicionada por um script inline no <head>. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--hm-ease), transform .7s var(--hm-ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .btn:hover, .wa-float:hover, .service-card:hover { transform: none; }
}

/* ==========================================================================
   UTILITARIOS
   ========================================================================== */

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: clamp(1.25rem, 2.5vw, 2rem); }
.mt-3 { margin-top: clamp(2rem, 4vw, 3rem); }
.text-mono-note {
  font-family: var(--hm-font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--hm-steel-600);
}
.section--dark .text-mono-note, .section--ink .text-mono-note { color: var(--hm-steel-300); }