/* ==========================================================================
   HIDAI Engenharia & Projetos — Modern Industrial Minimalism
   Sistema visual: preto/branco + laranja industrial (#D96A28) como assinatura.
   ========================================================================== */

/* ---------- Fontes (IBM Plex, SIL OFL 1.1, servidas localmente) ---------- */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }

/* ---------- Tokens ---------- */
:root {
  --ink: #111315;          /* preto carvão */
  --ink-2: #1b1e21;        /* superfície escura secundária */
  --white: #ffffff;
  --accent: #D96A28;       /* laranja industrial — elementos gráficos / fundo escuro */
  --accent-ink: #A9501C;   /* laranja para TEXTO pequeno sobre fundo claro (5,4:1) */
  --accent-hover: #C55D1F;
  --bg-2: #F4F5F5;         /* fundo secundário */
  --text-2: #555B60;       /* texto secundário (6,9:1) */
  --line: #E3E5E6;         /* divisórias */
  --line-dark: rgba(255,255,255,.14);
  --text-on-dark: #ffffff;
  --text-on-dark-2: #A9AFB4;

  --font: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(72px, 9vw, 128px);
  --header-h: 76px;
  --radius: 2px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--white); color: var(--ink);
  font-family: var(--font); font-size: 1.0625rem; line-height: 1.6;
  font-feature-settings: "kern"; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.12; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.25rem, 4.4vw, 3.75rem); letter-spacing: -0.025em; line-height: 1.06; }
h2 { font-size: clamp(1.75rem, 2.9vw, 2.625rem); letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 500; line-height: 1.3; letter-spacing: -0.01em; }
strong, b { font-weight: 600; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: var(--accent); color: var(--ink); }
[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 300; background: var(--ink); color: #fff; padding: 10px 16px; font-size: .875rem; }
.skip-link:focus { top: 12px; }

/* ---------- Tipografia auxiliar ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 12px; margin: 0 0 22px;
  font-family: var(--mono); font-size: .75rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--text-2);
}
.eyebrow .num { color: var(--accent-ink); }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); flex: none; order: 1; }
.eyebrow .num { order: 0; }
.eyebrow .label { order: 2; }
.on-dark .eyebrow, .eyebrow.on-dark { color: var(--text-on-dark-2); }
.on-dark .eyebrow .num, .eyebrow.on-dark .num { color: var(--accent); }

.lead { font-size: clamp(1.125rem, 1.5vw, 1.3125rem); line-height: 1.55; color: var(--text-2); }
.muted { color: var(--text-2); }
.mono { font-family: var(--mono); }

/* ---------- Botões e links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 22px;
  border: 1px solid transparent; border-radius: var(--radius);
  font: 500 .9375rem/1 var(--font); letter-spacing: .005em; cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn svg { width: 16px; height: 16px; flex: none; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: var(--ink); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-ghost { border-color: currentColor; color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.on-dark .btn-ghost { color: #fff; }
.on-dark .btn-ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: .875rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px; font-weight: 500; font-size: .9375rem;
  padding-bottom: 4px; border-bottom: 1px solid currentColor;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover { color: var(--accent-ink); }
.link-arrow:hover svg { transform: translateX(3px); }
.on-dark .link-arrow:hover { color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(1.4) blur(8px); -webkit-backdrop-filter: saturate(1.4) blur(8px);
}
.header-row { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand-symbol { width: 40px; height: 40px; }
.brand-word { display: flex; flex-direction: column; gap: 5px; }
.brand-word img { height: 17px; width: auto; }
.brand-word span { font-size: .5625rem; letter-spacing: .24em; text-transform: uppercase; color: var(--ink); line-height: 1; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; height: 100%; }
.main-nav > a, .nav-drop > button {
  position: relative; display: inline-flex; align-items: center; gap: 6px; height: 100%; padding: 0 14px;
  background: none; border: 0; cursor: pointer; color: var(--ink);
  font: 500 .9375rem/1 var(--font);
}
.main-nav > a::after, .nav-drop > button::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.main-nav > a:hover::after, .nav-drop > button:hover::after,
.main-nav > a[aria-current="page"]::after, .nav-drop.is-current > button::after,
.nav-drop.is-open > button::after { transform: scaleX(1); }
.nav-drop { position: relative; height: 100%; display: flex; }
.nav-drop > button svg { width: 10px; height: 10px; transition: transform .2s var(--ease); }
.nav-drop.is-open > button svg { transform: rotate(180deg); }
.drop-panel {
  position: absolute; top: calc(100% + 1px); left: -12px; width: 560px; background: #fff;
  border: 1px solid var(--line); border-top: 0; box-shadow: 0 18px 40px -24px rgba(17,19,21,.35);
  padding: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav-drop.is-open .drop-panel { opacity: 1; visibility: visible; transform: none; }
.drop-panel a { display: flex; gap: 12px; padding: 14px 14px; border-radius: var(--radius); font-size: .9375rem; line-height: 1.35; }
.drop-panel a:hover, .drop-panel a[aria-current="page"] { background: var(--bg-2); }
.drop-panel a .num { font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); padding-top: 2px; }

.lang-switch { display: flex; align-items: center; gap: 0; font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; }
.lang-switch li { display: flex; align-items: center; }
.lang-switch li + li::before { content: ""; width: 1px; height: 12px; background: var(--line); margin: 0 2px; }
.lang-switch a { display: inline-flex; align-items: center; min-height: 32px; padding: 0 8px; color: var(--text-2); border-bottom: 2px solid transparent; }
.lang-switch a:hover { color: var(--ink); }
.lang-switch a[aria-current="true"] { color: var(--ink); font-weight: 500; border-bottom-color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none; align-items: center; gap: 10px; height: 40px; padding: 0 14px; margin-left: auto;
  background: none; border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer;
  font: 500 .875rem/1 var(--font); color: var(--ink);
}
.nav-toggle .bars { position: relative; width: 16px; height: 10px; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; transition: transform .25s var(--ease), top .25s var(--ease); }
.nav-toggle .bars::before { top: 1px; }
.nav-toggle .bars::after { top: 8px; }
.nav-toggle[aria-expanded="true"] .bars::before { top: 4.5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { top: 4.5px; transform: rotate(-45deg); }

.mobile-panel { display: none; }

/* ---------- Hero (home) ---------- */
.hero { position: relative; min-height: clamp(560px, 86vh, 820px); display: flex; flex-direction: column; color: #fff; background: var(--ink); overflow: hidden; }
.hero-media, .page-hero-media { position: absolute; inset: 0; }
.hero-media img, .page-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(17,19,21,.86) 0%, rgba(17,19,21,.66) 38%, rgba(17,19,21,.18) 72%, rgba(17,19,21,.05) 100%),
    linear-gradient(0deg, rgba(17,19,21,.85) 0%, rgba(17,19,21,0) 34%);
}
.hero-content { position: relative; z-index: 2; flex: 1; display: flex; align-items: center; padding-block: 72px 56px; }
.hero-text { max-width: 760px; }
.hero h1 { max-width: 15ch; }
.hero .hero-sub { margin-top: 26px; max-width: 46ch; font-size: clamp(1.0625rem, 1.4vw, 1.25rem); line-height: 1.55; color: rgba(255,255,255,.84); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; margin-top: 40px; }
.hero-actions .link-arrow { color: #fff; }
.hero-actions .link-arrow:hover { color: var(--accent); }
.hero-index { position: relative; z-index: 2; border-top: 1px solid var(--line-dark); }
.hero-index ol { display: grid; grid-template-columns: repeat(6, 1fr); }
.hero-index li + li { border-left: 1px solid var(--line-dark); }
.hero-index a { display: flex; flex-direction: column; gap: 6px; padding: 20px 18px 24px; height: 100%; font-size: .875rem; line-height: 1.35; color: rgba(255,255,255,.86); transition: background-color .2s var(--ease), color .2s; }
.hero-index li:first-child a { padding-left: 0; }
.hero-index a .num { font-family: var(--mono); font-size: .6875rem; color: var(--accent); letter-spacing: .08em; }
.hero-index a:hover { color: #fff; background: rgba(255,255,255,.05); }

/* ---------- Page hero (internas) ---------- */
.page-hero { position: relative; min-height: 440px; display: flex; color: #fff; background: var(--ink); overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(17,19,21,.9) 0%, rgba(17,19,21,.72) 45%, rgba(17,19,21,.35) 100%);
}
.page-hero .container { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: space-between; gap: 56px; padding-block: 30px 64px; }
.page-hero h1 { max-width: 20ch; font-size: clamp(2.125rem, 4vw, 3.375rem); }
.page-hero .lead { margin-top: 20px; max-width: 58ch; color: rgba(255,255,255,.82); }
.breadcrumb { position: relative; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; font-family: var(--mono); font-size: .75rem; letter-spacing: .06em; color: rgba(255,255,255,.66); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: rgba(255,255,255,.35); }
.breadcrumb a:hover { color: #fff; }
.page-hero .eyebrow { color: rgba(255,255,255,.72); }
.page-hero .eyebrow .num { color: var(--accent); }

/* ---------- Seções ---------- */
.section { padding-block: var(--section); }
.section-soft { background: var(--bg-2); }
.section-dark { background: var(--ink); color: #fff; }
.section-head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px 64px; align-items: end; margin-bottom: clamp(44px, 5vw, 72px); }
.section-head h2 { max-width: 22ch; }
.section-head .intro { color: var(--text-2); max-width: 56ch; }
.section-dark .section-head .intro { color: var(--text-on-dark-2); }
.section-head.single { grid-template-columns: 1fr; }

/* Quem somos (home) */
.about { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.about h2 { max-width: 20ch; margin-bottom: 28px; }
.about-text p { color: var(--text-2); }
.about-text p.first { color: var(--ink); font-size: 1.1875rem; line-height: 1.55; }
.about-text .link-arrow { margin-top: 20px; }
.figure { position: relative; margin: 0; overflow: hidden; background: var(--bg-2); }
.figure img { width: 100%; height: 100%; object-fit: cover; }
.figure.r-4x3 { aspect-ratio: 4 / 3; }
.figure.r-3x2 { aspect-ratio: 3 / 2; }
.figure.r-4x5 { aspect-ratio: 4 / 5; }
.figure.r-16x9 { aspect-ratio: 16 / 9; }

.phases { margin-top: clamp(56px, 6vw, 88px); display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--ink); }
.phases li { padding: 18px 20px 0 0; }
.phases li + li { padding-left: 20px; border-left: 1px solid var(--line); }
.phases .num { display: block; font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); margin-bottom: 8px; }
.phases strong { display: block; font-weight: 500; font-size: 1rem; line-height: 1.3; }
.phases span.d { display: block; margin-top: 6px; font-size: .875rem; color: var(--text-2); line-height: 1.45; }

/* Especialidades (home) */
.spec { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(40px, 5vw, 80px); align-items: start; }
.spec-list { border-bottom: 1px solid var(--line); }
.spec-item { border-top: 1px solid var(--line); }
.spec-item a { position: relative; display: grid; grid-template-columns: 56px minmax(0, 1fr) 24px; gap: 8px 20px; align-items: start; padding: 26px 0; }
.spec-item a::before { content: ""; position: absolute; left: 0; top: -1px; height: 2px; width: 0; background: var(--accent); transition: width .35s var(--ease); }
.spec-item .num { font-family: var(--mono); font-size: .8125rem; color: var(--text-2); padding-top: 4px; transition: color .2s; }
.spec-item h3 { font-size: clamp(1.1875rem, 1.6vw, 1.4375rem); }
.spec-item p { grid-column: 2; margin: 0; font-size: .9375rem; color: var(--text-2); max-width: 54ch; }
.spec-item .arrow { grid-column: 3; grid-row: 1; width: 20px; height: 20px; margin-top: 4px; color: var(--text-2); transition: transform .25s var(--ease), color .2s; }
.spec-item .thumb { display: none; }
.spec-item a:hover::before, .spec-item.is-active a::before { width: 100%; }
.spec-item a:hover .num, .spec-item.is-active .num { color: var(--accent-ink); }
.spec-item a:hover .arrow { color: var(--accent-ink); transform: translateX(4px); }
.spec-preview { position: sticky; top: calc(var(--header-h) + 32px); }
.spec-preview .stack { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--bg-2); }
.spec-preview .stack img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .45s var(--ease); }
.spec-preview .stack img.is-active { opacity: 1; }
.spec-preview .caption { display: flex; justify-content: space-between; gap: 16px; margin-top: 14px; font-family: var(--mono); font-size: .75rem; letter-spacing: .04em; color: var(--text-2); }

/* Setores (home) */
.sector-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: clamp(220px, 21vw, 300px); gap: 12px; }
.sector-tile { position: relative; display: block; overflow: hidden; background: var(--ink); color: #fff; }
.sector-tile:nth-child(1) { grid-column: 1 / 8; grid-row: 1 / 3; }
.sector-tile:nth-child(2) { grid-column: 8 / 13; grid-row: 1; }
.sector-tile:nth-child(3) { grid-column: 8 / 13; grid-row: 2; }
.sector-tile:nth-child(4) { grid-column: 1 / 6; grid-row: 3; }
.sector-tile:nth-child(5) { grid-column: 6 / 13; grid-row: 3; }
.sector-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.sector-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(17,19,21,.88) 0%, rgba(17,19,21,.35) 45%, rgba(17,19,21,0) 70%); }
.sector-tile .body { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 24px 26px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.sector-tile .num { display: block; font-family: var(--mono); font-size: .75rem; color: var(--accent); margin-bottom: 8px; letter-spacing: .08em; }
.sector-tile h3 { font-size: clamp(1.1875rem, 1.6vw, 1.5rem); }
.sector-tile .tags { margin-top: 8px; font-family: var(--mono); font-size: .75rem; color: rgba(255,255,255,.75); letter-spacing: .02em; }
.sector-tile .arrow { width: 22px; height: 22px; flex: none; transition: transform .25s var(--ease), color .2s; }
.sector-tile:hover img { transform: scale(1.035); }
.sector-tile:hover .arrow { transform: translateX(4px); color: var(--accent); }

/* Diferenciais */
.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); }
.diff-grid li { padding: 32px 36px 40px 0; border-bottom: 1px solid var(--line-dark); }
.diff-grid li:not(:nth-child(3n+1)) { padding-left: 36px; border-left: 1px solid var(--line-dark); }
.diff-grid .num { display: block; font-family: var(--mono); font-size: .75rem; color: var(--accent); margin-bottom: 22px; letter-spacing: .08em; }
.diff-grid h3 { font-size: 1.1875rem; margin-bottom: 12px; }
.diff-grid p { color: var(--text-on-dark-2); font-size: .9375rem; margin: 0; }

/* Clientes */
.logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: #fff; }
.logo-grid li { background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; aspect-ratio: 3 / 2; padding: 18px 22px; }
.logo-grid img { width: var(--lw, 120px); max-width: 82%; height: auto; max-height: 76px; object-fit: contain; }
.logo-note { margin-top: 18px; font-size: .8125rem; color: var(--text-2); }
.section-foot { margin-top: 40px; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }

/* Contato (encerramento) */
.contact-band { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact-band h2 { max-width: 20ch; margin-bottom: 24px; }
.contact-band .actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 16px; }
.contact-list { border-top: 1px solid var(--ink); }
.contact-list li { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.contact-list .k { font-family: var(--mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-2); }
.contact-list .v { font-size: 1.0625rem; }
.contact-list a.v:hover { color: var(--accent-ink); }

/* ---------- Páginas de especialidade ---------- */
.intro-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.intro-split.reverse { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.intro-split.reverse .intro-media { order: -1; }
.intro-split h2 { margin-bottom: 24px; max-width: 20ch; }
.scope-line { font-size: 1.1875rem; line-height: 1.55; color: var(--ink); margin-bottom: 32px; }
.benefits li { position: relative; padding: 16px 0 16px 36px; border-top: 1px solid var(--line); font-size: 1rem; }
.benefits li:last-child { border-bottom: 1px solid var(--line); }
.benefits li::before { content: ""; position: absolute; left: 0; top: 27px; width: 18px; height: 2px; background: var(--accent); }

.deliv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 5vw, 80px); }
.deliv-group h3 { font-size: 1.25rem; padding-bottom: 20px; border-bottom: 1px solid var(--ink); }
.deliv-group li { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 1rem; line-height: 1.5; }
.deliv-group li .num { font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); padding-top: 3px; }

.related-list { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.related-list li + li { border-left: 1px solid var(--line); }
.related-list a { display: flex; flex-direction: column; justify-content: flex-start; gap: 14px; height: 100%; min-height: 150px; padding: 22px 20px 24px; transition: background-color .2s var(--ease); }
.related-list a svg { margin-top: auto; }
.related-list li:first-child a { padding-left: 0; }
.related-list .num { font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); }
.related-list .t { font-weight: 500; font-size: 1rem; line-height: 1.35; }
.related-list svg { width: 18px; height: 18px; color: var(--text-2); transition: transform .25s var(--ease), color .2s; }
.related-list a:hover svg { transform: translateX(4px); color: var(--accent-ink); }
.related-list a:hover .t { color: var(--accent-ink); }

/* Faixa CTA */
.cta-band { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 40px 64px; align-items: end; }
.cta-band h2 { max-width: 20ch; }
.cta-band p { color: var(--text-on-dark-2); margin-top: 18px; max-width: 54ch; }
.cta-band .actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 16px; }

/* ---------- Empresa ---------- */
.statement { font-size: clamp(1.5rem, 2.6vw, 2.25rem); line-height: 1.3; letter-spacing: -0.015em; font-weight: 400; max-width: 30ch; }
.statement em { font-style: normal; color: var(--accent-ink); }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.principles li { padding: 24px 28px 8px 0; }
.principles li + li { padding-left: 28px; border-left: 1px solid var(--line); }
.principles .num { display: block; font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); margin-bottom: 26px; }
.principles h3 { margin-bottom: 10px; }
.principles p { color: var(--text-2); font-size: .9375rem; }

.method { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.method li { position: relative; padding: 40px 32px 0 0; }
.method li::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--line-dark); }
.method li::after { content: ""; position: absolute; top: -4px; left: 0; width: 9px; height: 9px; background: var(--accent); }
.method .num { display: block; font-family: var(--mono); font-size: .75rem; color: var(--accent); margin-bottom: 16px; letter-spacing: .08em; }
.method h3 { margin-bottom: 12px; }
.method p { color: var(--text-on-dark-2); font-size: .9375rem; }
.method .tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 6px; }
.method .tags span { font-family: var(--mono); font-size: .6875rem; letter-spacing: .04em; padding: 5px 8px; border: 1px solid var(--line-dark); color: rgba(255,255,255,.78); }

.nav-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.nav-tile { position: relative; display: block; aspect-ratio: 16 / 9; overflow: hidden; color: #fff; background: var(--ink); }
.nav-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.nav-tile::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(17,19,21,.88) 0%, rgba(17,19,21,.2) 60%); }
.nav-tile .body { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; padding: 28px 30px; display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; }
.nav-tile .k { display: block; font-family: var(--mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.nav-tile h3 { font-size: clamp(1.375rem, 2vw, 1.75rem); }
.nav-tile p { margin: 8px 0 0; color: rgba(255,255,255,.78); font-size: .9375rem; max-width: 40ch; }
.nav-tile svg { width: 24px; height: 24px; flex: none; transition: transform .25s var(--ease); }
.nav-tile:hover img { transform: scale(1.03); }
.nav-tile:hover svg { transform: translateX(4px); color: var(--accent); }

/* ---------- Setores (página) ---------- */
.sector-rows { display: grid; gap: clamp(64px, 8vw, 112px); }
.sector-row { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.sector-row:nth-child(even) .figure { order: 2; }
.sector-row:nth-child(even) { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.sector-row .num { display: block; font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); margin-bottom: 18px; letter-spacing: .08em; }
.sector-row h2 { font-size: clamp(1.625rem, 2.4vw, 2.25rem); margin-bottom: 20px; }
.sector-row p { color: var(--text-2); }
.tag-list { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li { font-family: var(--mono); font-size: .75rem; letter-spacing: .03em; padding: 7px 10px; border: 1px solid var(--line); color: var(--ink); }

/* ---------- Clientes (página) ---------- */
.logo-grid.full { grid-template-columns: repeat(6, 1fr); }

/* ---------- Contato (página) ---------- */
.contact-page { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.form-head h2 { font-size: clamp(1.5rem, 2.2vw, 2rem); margin-bottom: 14px; }
.form-head p { color: var(--text-2); margin-bottom: 36px; max-width: 58ch; }
.form { display: grid; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field { display: grid; gap: 8px; }
.field label { font-size: .875rem; font-weight: 500; }
.field label .req { color: var(--accent-ink); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 14px; border: 1px solid #C9CDD0; border-radius: var(--radius);
  background: #fff; color: var(--ink); font: 400 1rem/1.4 var(--font);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 170px; resize: vertical; }
.field select { appearance: none; -webkit-appearance: none; padding-right: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%23111315' stroke-width='1.5'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 12px 8px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--text-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(217,106,40,.25); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #B3261E; }
.field .error { display: none; font-size: .8125rem; color: #B3261E; }
.field.has-error .error { display: block; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; margin-top: 6px; }
.form-foot .hint { font-size: .8125rem; color: var(--text-2); max-width: 44ch; margin: 0; }
.form-status { font-size: .9375rem; padding: 14px 16px; border-left: 2px solid var(--accent); background: var(--bg-2); display: none; }
.form-status.is-visible { display: block; }
.aside-block + .aside-block { margin-top: 48px; }
.aside-block h2 { font-size: 1.25rem; margin-bottom: 18px; }
.checklist li { position: relative; padding: 12px 0 12px 30px; border-bottom: 1px solid var(--line); font-size: .9375rem; color: var(--text-2); }
.checklist li::before { content: ""; position: absolute; left: 0; top: 22px; width: 14px; height: 2px; background: var(--accent); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding-top: clamp(56px, 7vw, 88px); font-size: .9375rem; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2.4fr)); gap: 40px; padding-bottom: 56px; }
.footer-brand img { width: 128px; height: auto; margin-bottom: 22px; }
.footer-brand p { color: var(--text-2); max-width: 36ch; font-size: .9375rem; }
.footer-col h2 { font-family: var(--mono); font-size: .75rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--text-2); margin-bottom: 18px; }
.footer-col li + li { margin-top: 10px; }
.footer-col a:hover { color: var(--accent-ink); }
.footer-bottom { border-top: 1px solid var(--line); padding-block: 22px; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 32px; font-size: .8125rem; color: var(--text-2); }
.footer-bottom .lang-switch { margin-left: -8px; }

/* WhatsApp (recurso existente, versão discreta) */
.whatsapp-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center; background: var(--ink); color: #fff; box-shadow: 0 6px 18px rgba(17,19,21,.22);
  transition: background-color .2s var(--ease), transform .2s var(--ease);
}
.whatsapp-float svg { width: 24px; height: 24px; }
.whatsapp-float:hover { background: #128C4B; transform: translateY(-2px); }

/* ---------- Animação discreta ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 1180px) {
  .main-nav > a, .nav-drop > button { padding: 0 10px; }
  .main-nav > a::after, .nav-drop > button::after { left: 10px; right: 10px; }
  .header-row { gap: 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 1080px) {
  :root { --header-h: 66px; }
  .main-nav, .header-actions .btn, .header-actions .lang-switch { display: none; }
  .header-actions { margin-left: auto; gap: 10px; }
  .nav-toggle { display: inline-flex; margin-left: 0; }
  .header-actions .lang-switch.mobile-visible { display: flex; }
  .mobile-panel {
    display: block; position: fixed; inset: var(--header-h) 0 0 0; z-index: 99; background: #fff; overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  }
  .mobile-panel.is-open { visibility: visible; opacity: 1; transform: none; }
  .mobile-panel .container { padding-block: 12px 40px; }
  .mobile-panel nav > a, .mobile-panel .m-group-title { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 1.25rem; font-weight: 500; }
  .mobile-panel nav > a[aria-current="page"] { color: var(--accent-ink); }
  .mobile-panel .m-group-title { font-family: var(--mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-2); border-bottom: 0; padding-bottom: 6px; padding-top: 26px; font-weight: 500; }
  .mobile-panel .m-sub a { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .mobile-panel .m-sub a .num { font-family: var(--mono); font-size: .75rem; color: var(--accent-ink); padding-top: 3px; }
  .mobile-panel .m-sub a[aria-current="page"] { color: var(--accent-ink); }
  .mobile-panel .m-sub { margin-bottom: 18px; }
  .mobile-panel .m-foot { margin-top: 32px; display: grid; gap: 22px; }
  .mobile-panel .m-foot .lang-switch { margin-left: -8px; font-size: .875rem; }
  .mobile-panel .m-foot .btn { justify-content: center; }
  body.menu-open { overflow: hidden; }

  .hero-index ol { grid-template-columns: repeat(3, 1fr); }
  .hero-index li:nth-child(4) { border-left: 0; }
  .hero-index li:nth-child(n+4) { border-top: 1px solid var(--line-dark); }
  .hero-index li:nth-child(4) a { padding-left: 0; }
  .section-head { grid-template-columns: 1fr; gap: 20px; }
  .about, .spec, .intro-split, .contact-band, .contact-page, .cta-band, .sector-row { grid-template-columns: 1fr; }
  .intro-split.reverse .intro-media { order: 0; }
  .intro-split.reverse { grid-template-columns: 1fr; }
  .sector-row:nth-child(even) .figure { order: 0; }
  .sector-row:nth-child(even) { grid-template-columns: 1fr; }
  .spec-preview { display: none; }
  .spec-item a { grid-template-columns: 96px minmax(0, 1fr) 20px; }
  .spec-item .num { display: none; }
  .spec-item .thumb { display: block; grid-row: 1 / 3; width: 96px; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-2); }
  .spec-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
  .spec-item h3, .spec-item p { grid-column: 2; }
  .spec-item .arrow { grid-column: 3; }
  .cta-band .actions { justify-content: flex-start; }
  .about .figure, .intro-split .figure { aspect-ratio: 16 / 9; }
  .diff-grid { grid-template-columns: 1fr 1fr; }
  .diff-grid li:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .diff-grid li:nth-child(even) { padding-left: 32px; border-left: 1px solid var(--line-dark); }
  .logo-grid, .logo-grid.full { grid-template-columns: repeat(4, 1fr); }
  .related-list { grid-template-columns: 1fr 1fr; }
  .related-list li + li { border-left: 0; }
  .related-list li { border-bottom: 1px solid var(--line); }
  .related-list li:nth-child(even) { border-left: 1px solid var(--line); }
  .related-list li:nth-child(odd) a { padding-left: 0; }
  .principles, .method { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .principles li:nth-child(3) { padding-left: 0; border-left: 0; }
  .phases { grid-template-columns: repeat(3, 1fr); row-gap: 24px; }
  .phases li:nth-child(4) { padding-left: 0; border-left: 0; }
}
@media (max-width: 720px) {
  body { font-size: 1rem; }
  .brand-symbol { width: 36px; height: 36px; }
  .brand-word img { height: 15px; }
  .hero { min-height: auto; }
  .hero::before { background: linear-gradient(0deg, rgba(17,19,21,.92) 0%, rgba(17,19,21,.7) 55%, rgba(17,19,21,.45) 100%); }
  .hero-content { padding-block: 120px 48px; align-items: flex-end; min-height: 72vh; }
  .hero-actions { gap: 22px; }
  .hero-index { display: none; }
  .page-hero { min-height: 400px; }
  .page-hero .container { padding-block: 22px 44px; gap: 72px; }
  .phases { grid-template-columns: 1fr 1fr; }
  .phases li:nth-child(n) { padding-left: 0; border-left: 0; }
  .phases li:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
  .sector-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .sector-tile:nth-child(n) { grid-column: auto; grid-row: auto; }
  .diff-grid { grid-template-columns: 1fr; }
  .diff-grid li:nth-child(n) { padding: 26px 0 30px; border-left: 0; }
  .logo-grid, .logo-grid.full { grid-template-columns: repeat(2, 1fr); }
  .logo-grid li { padding: 14px 18px; }
  .logo-grid img { width: calc(var(--lw, 120px) * .82); }
  .contact-list li { grid-template-columns: 1fr; gap: 4px; }
  .deliv-grid { grid-template-columns: 1fr; }
  .related-list { grid-template-columns: 1fr; }
  .related-list li:nth-child(n) { border-left: 0; }
  .related-list li a { padding-left: 0; flex-direction: row; align-items: center; gap: 16px; min-height: 0; }
  .related-list li a svg { margin-top: 0; }
  .related-list .num { min-width: 28px; }
  .related-list .t { flex: 1; }
  .principles, .method { grid-template-columns: 1fr; }
  .principles li:nth-child(n) { padding-left: 0; border-left: 0; padding-right: 0; }
  .principles .num { margin-bottom: 12px; }
  .method li { padding-right: 0; }
  .nav-tiles { grid-template-columns: 1fr; }
  .nav-tile { aspect-ratio: 4 / 3; }
  .form-row { grid-template-columns: 1fr; }
  .about .figure, .intro-split .figure { aspect-ratio: 4 / 3; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .whatsapp-float { right: 14px; bottom: 14px; width: 48px; height: 48px; }
}
@media (max-width: 420px) {
  .header-actions .lang-switch.mobile-visible { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .spec-item a { grid-template-columns: 72px minmax(0, 1fr) 18px; gap: 6px 14px; }
  .spec-item .thumb { width: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .sector-tile:hover img, .nav-tile:hover img { transform: none; }
}
@media print {
  .site-header, .mobile-panel, .whatsapp-float, .hero-index { display: none !important; }
  .hero, .page-hero { min-height: auto; color: #000; background: none; }
  .hero::before, .page-hero::before, .hero-media, .page-hero-media { display: none; }
}