/* ==========================================================================
   RNJ Engenharia: site de página única
   Conceito: folha de projeto. Eixos, cotas e carimbo de prancha dão a
   linguagem; azul-marinho e branco-gelo dão o contraste; o cinza é só apoio.
   ========================================================================== */

:root {
  /* Paleta oficial da marca */
  --azul-marinho: #000C3E;
  --branco-gelo: #FCFCFC;
  --cinza: #999999;
  /* Derivados permitidos */
  --cinza-texto: #5B6275;
  --cinza-linha: #E4E6EC;
  --azul-2: #1A2760;
  --azul-3: #33407A;
  --linha-escura: rgba(252, 252, 252, .16);

  /* Tipografia */
  --font-display: "Sora", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --gutter: clamp(16px, 4vw, 32px);
  --maxw: 1160px;
  --header-h: 68px;
  --radius: 3px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  color-scheme: light;
  accent-color: var(--azul-marinho);
  scrollbar-color: var(--azul-3) var(--cinza-linha);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--branco-gelo);
  color: var(--azul-marinho);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
::selection { background: var(--azul-3); color: var(--branco-gelo); }
img, svg { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-underline-offset: 3px; }
a, button, summary, label { touch-action: manipulation; }
button, input, select, textarea { font: inherit; color: inherit; }
input, textarea { caret-color: var(--azul-marinho); }

:focus-visible { outline: 3px solid var(--azul-3); outline-offset: 3px; }
.on-dark :focus-visible { outline-color: var(--branco-gelo); }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--branco-gelo); color: var(--azul-marinho); padding: 10px 14px; z-index: 100; border-radius: var(--radius); }
.skip:focus { left: 8px; }

.container { width: 100%; max-width: calc(var(--maxw) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.on-dark { background: var(--azul-marinho); color: var(--branco-gelo); }

/* ---------- Tipografia utilitária ---------- */
h2 { font-size: clamp(1.65rem, 3.4vw, 2.5rem); line-height: 1.12; letter-spacing: -.02em; font-weight: 600; }
h3 { font-size: 1.2rem; line-height: 1.25; letter-spacing: -.01em; font-weight: 600; }
.lede { font-size: 1.15rem; color: var(--cinza); max-width: 60ch; }
.lede--light { color: var(--cinza-texto); }
.footnote { margin-top: 28px; font-size: .92rem; color: var(--cinza-texto); max-width: 70ch; }

.tag {
  display: inline-block; font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--cinza-texto);
  border: 1px solid var(--cinza-linha); padding: 3px 8px; border-radius: 2px;
}
.tag--dark { color: var(--cinza); border-color: var(--linha-escura); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius);
  font-family: var(--font-display); font-weight: 600; font-size: .95rem; letter-spacing: -.005em;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: background-color .2s var(--ease-out), color .2s var(--ease-out), border-color .2s var(--ease-out), transform .16s var(--ease-out);
}
.btn:active { transform: scale(.97); }
.btn--lg { min-height: 54px; padding: 14px 28px; font-size: 1rem; }
.btn--sm { min-height: 42px; padding: 9px 18px; font-size: .88rem; }
.btn--block { width: 100%; }
.btn--light { background: var(--branco-gelo); color: var(--azul-marinho); }
.btn--ghost { background: transparent; color: var(--branco-gelo); border-color: rgba(252,252,252,.5); }
.btn--dark { background: var(--azul-marinho); color: var(--branco-gelo); }


/* ---------- Cabeçalho ---------- */
.site-header {
  position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; z-index: 50;
  height: var(--header-h); border-bottom: 1px solid var(--linha-escura);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 100%; }
.brand { display: block; flex: none; }
.brand img { height: 40px; width: auto; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font-size: .92rem; font-weight: 500; color: rgba(252,252,252,.82); padding: 6px 0; border-bottom: 1.5px solid transparent; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; background: none; border: 1px solid var(--linha-escura); border-radius: var(--radius); cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.menu-toggle span { width: 20px; height: 1.5px; background: var(--branco-gelo); transition: transform .2s, opacity .2s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding-top: calc(var(--header-h) + clamp(40px, 7vw, 88px)); padding-bottom: clamp(56px, 8vw, 96px); overflow: hidden;
  background-color: var(--azul-marinho);
}
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 40%; background: linear-gradient(transparent, var(--azul-marinho)); pointer-events: none; }
.hero > .container { position: relative; z-index: 1; }
.hero-photo {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%;
  filter: grayscale(1) contrast(1.05); opacity: .4; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 8%, rgba(0,0,0,.55) 45%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 8%, rgba(0,0,0,.55) 45%, #000 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.6rem); line-height: 1.07; letter-spacing: -.025em; font-weight: 600; }
.hero .lede { margin-top: 22px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }


/* ---------- Números ---------- */
.numbers { background: var(--branco-gelo); border-bottom: 1px solid var(--cinza-linha); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { padding: 34px 24px 34px 0; }
.stat + .stat { padding-left: 24px; border-left: 1px solid var(--cinza-linha); }
.stat-value { font-family: var(--font-display); font-weight: 600; font-size: clamp(2.2rem, 4.4vw, 3.2rem); line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stat-value small { font-size: .55em; font-weight: 600; margin-left: 2px; color: var(--cinza-texto); letter-spacing: 0; }
.stat-value--text { font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.18; letter-spacing: -.015em; min-height: clamp(2.2rem, 4.4vw, 3.2rem); display: flex; align-items: flex-end; max-width: 16ch; }
.stat-label { margin-top: 10px; font-weight: 500; }

/* ---------- Seções ---------- */
.section { padding-block: clamp(56px, 9vw, 112px); }
.section--line { border-top: 1px solid var(--cinza-linha); }
.section--dark { background: var(--azul-marinho); }
.sec-head { display: flex; flex-direction: column; gap: 16px; margin-bottom: clamp(32px, 5vw, 56px); max-width: 780px; }

/* Serviços */
.cards-3 { display: flex; flex-direction: column; border-top: 1.5px solid var(--azul-marinho); }
.service {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr) minmax(0, .8fr);
  column-gap: clamp(24px, 5vw, 72px); row-gap: 10px; align-items: start;
  padding: clamp(28px, 4vw, 48px) 0; border-bottom: 1px solid var(--cinza-linha);
}
.service-top { grid-column: 1; grid-row: 1; }
.service h3 { grid-column: 1; grid-row: 2; font-size: clamp(1.5rem, 2.6vw, 2rem); line-height: 1.1; letter-spacing: -.02em; }
.service > p:not(.list-title) { grid-column: 2; grid-row: 1 / span 2; }
.service .list-title { grid-column: 3; grid-row: 1; margin-top: 0; align-self: end; }
.service .ticks { grid-column: 3; grid-row: 2; }
.service-top { display: flex; align-items: center; gap: 14px; margin-bottom: 6px; }
.icon { width: 36px; height: 36px; fill: none; stroke: var(--azul-marinho); stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter; }
.service p { color: var(--cinza-texto); }
.list-title { margin-top: 10px; font-size: .82rem; font-weight: 600; letter-spacing: .02em; color: var(--cinza-texto) !important; }
.ticks { display: flex; flex-direction: column; gap: 8px; }
.ticks li { position: relative; padding-left: 20px; font-weight: 500; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border: 1.5px solid var(--cinza); }
.ticks--dark li::before { border-color: var(--branco-gelo); }

.cta-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; margin-top: 48px; padding: 24px clamp(20px, 3vw, 32px); border: 1px solid var(--cinza-linha); }
.cta-band p { font-family: var(--font-display); font-weight: 500; font-size: 1.1rem; max-width: 52ch; }

/* Público */
.audience { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
.aud { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: clamp(24px, 3vw, 34px); border: 1px solid var(--cinza-linha); }
.aud p:not(.tag) { color: var(--cinza-texto); }
.aud--main { border-color: var(--azul-marinho); }
.aud--main p:not(.tag) { color: rgba(252,252,252,.82); }
.aud--main h3 { font-size: 1.5rem; line-height: 1.2; }

/* Diferencial */
.dif-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.dif-copy { display: flex; flex-direction: column; gap: 22px; }
.dif-copy .ticks { margin-top: 8px; }
.sheets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.sheet { margin: 0; border: 1px solid var(--linha-escura); }
.sheet-btn { display: block; width: 100%; padding: 0; margin: 0; background: none; border: 0; cursor: default; }
.sheet figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-top: 1px solid var(--linha-escura); font-size: .85rem; }
.sheet figcaption b { font-weight: 600; }
.sheet figcaption span { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; color: var(--cinza); }
.sheet-btn:has(img) { cursor: zoom-in; }
.sheet-btn img { width: 100%; height: auto; background: #fff; }
.sheet-btn img[src*="modelo-bim"] { aspect-ratio: 2400 / 1695; object-fit: cover; object-position: 68% 50%; }
.sheets .ph { aspect-ratio: 2400 / 1695; }

/* Espaço reservado de imagem */
.ph {
  display: grid; place-items: center; width: 100%; aspect-ratio: 4 / 3; max-width: 100%;
  background-color: rgba(252,252,252,.04);
  background-image:
    linear-gradient(var(--linha-escura) 1px, transparent 1px),
    linear-gradient(90deg, var(--linha-escura) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--cinza); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
}
.ph span { background: var(--azul-marinho); padding: 6px 10px; border: 1px solid var(--linha-escura); }
.ph--16x10 { aspect-ratio: 16 / 10; background-color: var(--azul-marinho);
  background-image: linear-gradient(rgba(252,252,252,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(252,252,252,.07) 1px, transparent 1px); }

/* Projetos */
.projects { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; }
.proj { grid-column: span 2; display: flex; flex-direction: column; border: 1px solid var(--cinza-linha); min-width: 0; }
.proj--wide { grid-column: span 3; }
.proj img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; }
.proj-body { display: flex; flex-direction: column; gap: 14px; padding: clamp(20px, 2.4vw, 28px); }
.proj-body p:not(.chips):not(.loc):not(.result) { color: var(--cinza-texto); }
.proj-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 16px; }
.proj--wide h3 { font-size: 1.4rem; }
.loc { font-size: .9rem; font-weight: 500; color: var(--cinza-texto); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: .78rem; font-weight: 600; padding: 3px 9px; border: 1px solid var(--azul-marinho); border-radius: 2px; }
.result { font-size: .95rem; padding-top: 14px; border-top: 1px solid var(--cinza-linha); }

/* Processo */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: s; position: relative; }
.steps li { position: relative; padding: 0 20px 0 0; display: flex; flex-direction: column; gap: 10px; }
.steps li::before { content: ""; position: absolute; top: 19px; left: 40px; right: 0; height: 1px; background: var(--cinza); }
.steps li:last-child::before { display: none; }
.step-n { display: grid; place-items: center; width: 38px; height: 38px; border: 1.5px solid var(--azul-marinho); border-radius: 50%; background: var(--branco-gelo); font-family: var(--font-mono); font-weight: 500; font-size: .85rem; position: relative; z-index: 1; margin-bottom: 14px; }
.steps h3 { font-size: 1rem; }
.steps p { font-size: .92rem; color: var(--cinza-texto); line-height: 1.5; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.faq-grid .sec-head { margin-bottom: 0; }
.faq details { border-bottom: 1px solid var(--cinza-linha); }
.faq details:first-child { border-top: 1px solid var(--cinza-linha); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 0; cursor: pointer; list-style: none; font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 14px; height: 14px; background: linear-gradient(currentColor, currentColor) center / 100% 1.5px no-repeat, linear-gradient(currentColor, currentColor) center / 1.5px 100% no-repeat; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 34px 22px 0; color: var(--cinza-texto); }

/* Contato */
.contact-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.contact-copy { display: flex; flex-direction: column; gap: 22px; }
.contact-list { display: flex; flex-direction: column; margin-top: 12px; border-top: 1px solid var(--linha-escura); }
.contact-list li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--linha-escura); overflow-wrap: anywhere; }
.cl-label { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--cinza); padding-top: 4px; }
.contact-list a { text-decoration: none; border-bottom: 1px solid var(--cinza); justify-self: start; }

.form { display: flex; flex-direction: column; gap: 18px; padding: clamp(22px, 3vw, 36px); background: var(--branco-gelo); color: var(--azul-marinho); border-radius: var(--radius); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 11px 14px; background: #fff; color: var(--azul-marinho);
  border: 1.5px solid var(--cinza); border-radius: var(--radius); outline: none;
}
.field textarea { resize: vertical; min-height: 112px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--azul-marinho); box-shadow: 0 0 0 3px rgba(51,64,122,.25); }
.field [aria-invalid="true"] { border-color: var(--azul-marinho); box-shadow: inset 4px 0 0 var(--azul-marinho); }
.err { font-size: .85rem; font-weight: 600; color: var(--azul-marinho); }
.err::before { content: "! "; font-family: var(--font-mono); }
.form-hint { font-size: .85rem; color: var(--cinza-texto); line-height: 1.5; }
.form-hint a, .form-alt a { text-decoration-color: var(--cinza); text-underline-offset: 3px; }
.form-alt { font-size: .9rem; color: var(--cinza-texto); text-align: center; }
.form-status { padding: 14px 16px; border: 1.5px solid var(--azul-marinho); font-size: .95rem; }
.form-status a { font-weight: 600; }

/* Rodapé */
.site-footer { border-top: 1px solid var(--linha-escura); padding-top: 48px; }
.footer-inner { display: grid; grid-template-columns: 1.5fr .8fr 1fr; gap: clamp(28px, 5vw, 64px); }
.footer-brand img { height: 44px; width: auto; }
.footer-brand p { margin-top: 16px; color: var(--cinza); font-size: .92rem; line-height: 1.6; max-width: 46ch; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: .95rem; }
.footer-nav a, .footer-contact a { text-decoration: none; color: rgba(252,252,252,.82); width: fit-content; }
.footer-contact a { display: inline-flex; align-items: center; gap: 10px; }
.ico { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ico--fill { fill: currentColor; stroke: none; }
.footer-copy { margin-top: 40px; padding-bottom: 28px; color: var(--cinza); font-size: .85rem; }
.footer-copy p { padding-top: 20px; border-top: 1px solid var(--linha-escura); }

/* WhatsApp flutuante */
.wpp-float {
  position: fixed; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 60;
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 20px 0 16px;
  background: var(--azul-marinho); color: var(--branco-gelo); text-decoration: none;
  border: 2px solid var(--branco-gelo); border-radius: 999px;
  box-shadow: 0 6px 22px rgba(0,12,62,.35); font-family: var(--font-display); font-weight: 600; font-size: .9rem;
  transition: transform .2s var(--ease-out), opacity .2s var(--ease-out), visibility .2s, background-color .2s var(--ease-out);
}
.wpp-float.is-hidden { opacity: 0; transform: translateY(8px); visibility: hidden; pointer-events: none; }
.wpp-float svg { width: 24px; height: 24px; fill: currentColor; }

/* Lightbox */
.lightbox { border: 0; padding: 16px; background: var(--azul-marinho); color: var(--branco-gelo); max-width: min(94vw, 1200px); max-height: 94vh; border-radius: var(--radius); }
.lightbox::backdrop { background: rgba(0,12,62,.85); }
.lightbox img { max-height: 78vh; width: auto; margin-inline: auto; }
.lightbox p { margin-top: 10px; font-family: var(--font-mono); font-size: .8rem; color: var(--cinza); text-align: center; }
.lb-close { position: absolute; top: 6px; right: 6px; width: 44px; height: 44px; font-size: 1.8rem; line-height: 1; background: none; border: 0; color: var(--branco-gelo); cursor: pointer; }

/* Menu: seção atual */
.nav a[aria-current="true"] { color: var(--branco-gelo); border-bottom-color: var(--cinza); }

/* ---------- Movimento ----------
   Um momento autoral: a entrada do hero. O estado padrão já é visível. */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes reveal { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.hero-copy > * { animation: rise .7s var(--ease-out) both; }
.hero-copy > :nth-child(2) { animation-delay: 70ms; }
.hero-copy > :nth-child(3) { animation-delay: 140ms; }
.hero-copy > :nth-child(4) { animation-delay: 210ms; }
.lightbox[open] { opacity: 1; transform: none; transition: opacity .2s var(--ease-out), transform .2s var(--ease-out); }
@starting-style { .lightbox[open] { opacity: 0; transform: scale(.97); } }

/* Hover só onde existe ponteiro fino */
@media (hover: hover) and (pointer: fine) {
  .btn--light:hover { background: #fff; }
  .btn--ghost:hover { border-color: var(--branco-gelo); background: rgba(252,252,252,.08); }
  .btn--dark:hover { background: var(--azul-2); }
  .nav a:hover { color: var(--branco-gelo); border-bottom-color: var(--cinza); }
  .contact-list a:hover { border-bottom-color: var(--branco-gelo); }
  .footer-nav a:hover, .footer-contact a:hover { color: var(--branco-gelo); text-decoration: underline; text-underline-offset: 4px; }
  .wpp-float:hover { background: var(--azul-2); transform: translateY(-2px); }
}

/* ---------- Responsivo ---------- */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-photo { opacity: .22; -webkit-mask-image: none; mask-image: none; }
  .service { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 28px 0; }
  .service .list-title { align-self: flex-start; text-align: left; }
  .audience { grid-template-columns: minmax(0, 1fr); }
  .dif-grid, .faq-grid, .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .projects { grid-template-columns: minmax(0, 1fr); }
  .proj, .proj--wide { grid-column: auto; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .steps li { padding: 0 0 28px 56px; min-height: 76px; }
  .steps li::before { top: 38px; bottom: 0; left: 18.5px; right: auto; width: 1px; height: auto; }
  .steps .step-n { position: absolute; left: 0; top: 0; margin: 0; }
  .steps h3 { padding-top: 7px; }
  .footer-inner { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .menu-toggle { display: flex; margin-left: 4px; }
  .header-cta { margin-left: auto; }
  .nav {
    position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; margin: 0;
    background: var(--azul-marinho); border-bottom: 1px solid var(--linha-escura); padding: 8px var(--gutter) 16px;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--linha-escura); font-size: 1rem; }
  .numbers-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { padding: 26px 16px 26px 0; }
  .stat + .stat { padding-left: 0; border-left: 0; }
  .stat:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--cinza-linha); }
  .stat:nth-child(n+3) { border-top: 1px solid var(--cinza-linha); }
}
@media (max-width: 520px) {
  :root { --header-h: 60px; }
  .brand img { height: 32px; }
  .header-inner { gap: 10px; }
  .header-cta { padding: 8px 12px; font-size: .8rem; min-height: 40px; }
  .cta-row .btn { width: 100%; }
  .sheets { grid-template-columns: minmax(0, 1fr); }
  .contact-list li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .wpp-float span { display: none; }
  .wpp-float { padding: 0; width: 56px; height: 56px; justify-content: center; }
  .cta-band .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}