/* ==========================================================================
   CSSUL Tecnologia Construtiva — folha de estilos
   Paleta: ciano #20A6A6 · azul-petróleo #123F43 · branco · cinza-claro #F0F4F4
   ========================================================================== */

:root {
  --cyan: #20a6a6;
  --cyan-dark: #178a8a;
  --cyan-soft: #e4f5f5;
  --petrol: #123f43;
  --petrol-dark: #0a2629;
  --ink: #14282a;
  --muted: #546d70;
  --line: #d9e5e5;
  --bg-alt: #f0f4f4;
  --amber: #c27a12;
  --amber-soft: #fff5e1;
  --red: #c4372d;
  --red-soft: #fdecea;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 38, 41, .09);
  --shadow-lg: 0 22px 50px rgba(10, 38, 41, .16);
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: #fff; line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; color: var(--petrol); letter-spacing: -.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.ico { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ---------- botões ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 24px; border-radius: 10px; font: 700 15px/1 var(--font); border: 2px solid transparent; cursor: pointer; transition: .2s; white-space: nowrap; }
.btn .ico { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .ico { transform: translateX(3px); }
.btn--primary { background: var(--cyan); color: #fff; box-shadow: 0 8px 20px rgba(32, 166, 166, .3); }
.btn--primary:hover { background: var(--cyan-dark); transform: translateY(-1px); }
.btn--outline { border-color: var(--cyan); color: var(--cyan-dark); background: transparent; }
.btn--outline:hover { background: var(--cyan); color: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--petrol); }
.btn--white { background: #fff; color: var(--petrol); }
.btn--white:hover { background: var(--cyan-soft); }
.btn--sm { padding: 11px 18px; font-size: 14px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--cyan-dark); font-size: 15px; }
.link-arrow .ico { width: 17px; height: 17px; transition: transform .2s; }
.link-arrow:hover .ico { transform: translateX(4px); }

/* ---------- topbar + header ---------- */
.topbar { background: var(--petrol-dark); color: #b8d3d4; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 38px; gap: 16px; }
.topbar ul { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar a, .topbar span { display: inline-flex; align-items: center; gap: 7px; }
.topbar .ico { width: 14px; height: 14px; color: var(--cyan); }
.topbar a:hover { color: #fff; }

.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: .25s; }
.header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 24px rgba(10, 38, 41, .07); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 24px; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav > ul { display: flex; align-items: center; gap: 2px; }
.nav a.nav__link, .nav button.nav__link { display: inline-flex; align-items: center; gap: 6px; padding: 10px 14px; border-radius: 8px; font: 600 15px var(--font); color: var(--ink); background: none; border: 0; cursor: pointer; position: relative; }
.nav a.nav__link:hover, .nav button.nav__link:hover { color: var(--cyan-dark); background: var(--cyan-soft); }
.nav .is-active { color: var(--cyan-dark); }
.nav .is-active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px; background: var(--cyan); border-radius: 2px; }
.nav .ico { width: 15px; height: 15px; }
.nav__cta { margin-left: 14px; }
.has-menu { position: relative; }
.menu { position: absolute; top: 100%; left: -10px; min-width: 290px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s; }
.has-menu:hover .menu, .has-menu:focus-within .menu, .has-menu.open .menu { opacity: 1; visibility: visible; transform: none; }
.menu a { display: block; padding: 10px 12px; border-radius: 8px; font-weight: 600; font-size: 14.5px; }
.menu a small { display: block; font-weight: 500; color: var(--muted); font-size: 12.5px; }
.menu a:hover { background: var(--cyan-soft); color: var(--cyan-dark); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 6px 4px; }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--petrol); }
.burger .ico { width: 28px; height: 28px; }
.burger .i-close { display: none; }
.burger.close .i-open { display: none; }
.burger.close .i-close { display: block; }

/* ---------- hero (home) ---------- */
.hero { position: relative; color: #fff; background: var(--petrol-dark) url('../images/hero-obra.jpg') center/cover; isolation: isolate; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(10, 38, 41, .96) 0%, rgba(18, 63, 67, .88) 42%, rgba(18, 63, 67, .35) 100%); }
.hero .wrap { padding: 96px 0 150px; }
.hero__content { max-width: 780px; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; line-height: 1.1; font-size: 12.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--cyan); margin-bottom: 18px; }
.eyebrow::before { content: ''; width: 34px; height: 2px; background: currentColor; }
.hero h1 { color: #fff; font-size: clamp(36px, 5.2vw, 62px); font-weight: 800; }
.hero h1 em { font-style: normal; color: #5fd6d6; }
.hero p.lead { margin-top: 22px; font-size: 19px; color: #cfe3e4; max-width: 560px; }
.hero__actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.stats { position: relative; z-index: 2; margin-top: -78px; }
.stats ul { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: 18px; box-shadow: var(--shadow-lg); overflow: hidden; }
.stats li { border-right: 1px solid var(--line); }
.stats li a { display: flex; gap: 16px; align-items: flex-start; padding: 26px 28px; height: 100%; transition: background .2s; }
.stats li a:hover { background: var(--cyan-soft); }
.stats li:last-child { border: 0; }
.stats .ico { width: 34px; height: 34px; color: var(--cyan); margin-top: 2px; }
.stats strong { display: block; color: var(--petrol); font-size: 17px; line-height: 1.25; }
.stats span { font-size: 13.5px; color: var(--muted); line-height: 1.45; display: block; margin-top: 4px; }

/* ---------- hero (páginas internas) ---------- */
.page-hero { background: linear-gradient(120deg, var(--petrol-dark), var(--petrol)); color: #fff; position: relative; overflow: hidden; }
.page-hero .wrap { padding: 48px 0 56px; position: relative; z-index: 1; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: #9fc4c6; margin-bottom: 22px; }
.crumbs a:hover { color: #fff; }
.crumbs li + li::before { content: '/'; margin-right: 8px; opacity: .5; }
.page-hero h1 { color: #fff; font-size: clamp(32px, 4.4vw, 50px); font-weight: 800; max-width: 760px; }
.page-hero p.lead { margin-top: 16px; font-size: 18px; color: #cfe3e4; max-width: 640px; }
.page-hero--product .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.page-hero--product .hero__actions { margin-top: 28px; }
.hero-media { border-radius: 18px; overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, .35); border: 4px solid rgba(255, 255, 255, .12); background: var(--petrol); width: 100%; aspect-ratio: 4 / 3; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- seções ---------- */
.section { padding: 68px 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--petrol); color: #cfe3e4; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section:not(.section--alt):not(.section--dark) + .section:not(.section--alt):not(.section--dark) { padding-top: 0; }
.section--tight { padding: 52px 0; }
.head { max-width: 640px; margin-bottom: 38px; }
.head--center { margin-inline: auto; text-align: center; }
.head--center .eyebrow { justify-content: center; }
.head h2 { font-size: clamp(28px, 3.3vw, 40px); font-weight: 800; }
.head p { margin-top: 12px; color: var(--muted); font-size: 17px; }
.section--dark .head p { color: #a9c6c8; }
.head-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 36px; flex-wrap: wrap; }
.head-row .head { margin: 0; }

.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }
.grid--6 > .span-2 { grid-column: span 2; }
.grid--6 > .span-3 { grid-column: span 3; }

/* cards de produto */
.pcard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .25s; height: 100%; }
.pcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.pcard__img { aspect-ratio: 16 / 10; overflow: hidden; background: var(--petrol); position: relative; }
.pcard__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.pcard:hover .pcard__img img { transform: scale(1.05); }
.pcard__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.tag { font-size: 11.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan-dark); }
.pcard h3 { font-size: 21px; margin: 8px 0 8px; font-weight: 800; }
.pcard p { color: var(--muted); font-size: 15px; flex: 1; }
.pcard .link-arrow { margin-top: 16px; }
.pcard--sm .pcard__img { aspect-ratio: 16 / 9; }
.pcard--sm h3 { font-size: 18px; }

/* ícones / features */
.feat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: .25s; }
.section--alt .feat { border-color: transparent; }
.feat:hover { box-shadow: var(--shadow); }
.feat__ico { width: 48px; height: 48px; border-radius: 12px; background: var(--cyan-soft); color: var(--cyan-dark); display: grid; place-items: center; margin-bottom: 16px; }
.feat__ico .ico { width: 24px; height: 24px; }
.feat h3 { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.feat p { color: var(--muted); font-size: 15px; }
.feat--danger .feat__ico { background: var(--red-soft); color: var(--red); }
.section--dark .feat { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); }
.section--dark .feat p { color: #a9c6c8; }
.section--dark .feat__ico { background: rgba(32, 166, 166, .18); color: #5fd6d6; }

/* split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--top { align-items: stretch; }
.split__media { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); background: var(--bg-alt); }
.split__media img { width: 100%; height: 100%; max-height: 520px; object-fit: cover; }
.split h2 { font-size: clamp(28px, 3.2vw, 38px); font-weight: 800; margin-bottom: 16px; }
.split p + p { margin-top: 14px; }
.split p { color: #3d5558; }
.checks { margin-top: 22px; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-weight: 600; color: var(--petrol); }
.checks .ico { color: #fff; background: var(--cyan); border-radius: 50%; padding: 4px; width: 24px; height: 24px; margin-top: 1px; stroke-width: 3; }
.checks--plain li { font-weight: 500; color: #3d5558; }

/* ficha */
.spec { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.spec h3 { background: var(--petrol); color: #fff; font-size: 15px; padding: 14px 22px; letter-spacing: .02em; }
.spec dl { margin: 0; flex: 1; display: flex; flex-direction: column; }
.spec dl > div { display: grid; grid-template-columns: 120px 1fr; gap: 14px; padding: 14px 22px; border-top: 1px solid var(--line); font-size: 14.5px; flex: 1; align-items: center; }
.spec dl > div:first-child { border-top: 0; }
.spec dt { font-weight: 700; color: var(--petrol); }
.spec dd { margin: 0; color: var(--muted); }

/* etapas */
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.steps .step { grid-column: span 2; }
.steps--5 .step:nth-child(n+4) { grid-column: span 3; }
.steps--4 .step { grid-column: span 3; }
.step { counter-increment: s; background: #fff; border-radius: var(--radius); padding: 24px 24px 22px; border: 1px solid var(--line); position: relative; }
.step::before { content: counter(s, decimal-leading-zero); display: block; font-size: 34px; font-weight: 800; color: var(--cyan); line-height: 1; margin-bottom: 12px; }
.step h3 { font-size: 17px; font-weight: 800; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* callouts */
.callout { display: flex; gap: 18px; padding: 22px 26px; border-radius: var(--radius); background: var(--cyan-soft); border-left: 5px solid var(--cyan); }
.callout .ico { color: var(--cyan-dark); width: 26px; height: 26px; margin-top: 2px; }
.callout strong { display: block; color: var(--petrol); margin-bottom: 4px; }
.callout p { color: #3d5558; font-size: 15px; }
.callout--warn { background: var(--amber-soft); border-color: #e0a100; }
.callout--warn .ico { color: var(--amber); }
.callout-box { margin-top: 28px; }

/* setores */
.sector { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 330px; display: flex; align-items: flex-end; color: #fff; background: var(--petrol); isolation: isolate; }
.sector img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s; }
.sector::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10, 38, 41, 0) 20%, rgba(10, 38, 41, .92) 100%); }
.sector:hover img { transform: scale(1.06); }
.sector div { padding: 26px; }
.sector h3 { color: #fff; font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.sector p { font-size: 14.5px; color: #cfe3e4; }

/* galeria */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery figure { margin: 0; border-radius: var(--radius); overflow: hidden; position: relative; aspect-ratio: 4 / 3; background: var(--petrol); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 16px 14px; color: #fff; font-size: 13.5px; font-weight: 600; background: linear-gradient(180deg, transparent, rgba(10, 38, 41, .9)); }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chips li { padding: 9px 16px; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--petrol); }

/* CTA */
.cta { background: var(--petrol) linear-gradient(120deg, var(--petrol-dark), var(--petrol)); color: #fff; position: relative; overflow: hidden; }
.cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 54px 0; position: relative; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: clamp(26px, 3vw, 36px); font-weight: 800; max-width: 620px; }
.cta p { color: #b8d3d4; margin-top: 10px; max-width: 560px; }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* segurança: aviso inline na home */
.safety-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* lista numerada de regras */
.rules { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.rules li { display: flex; gap: 14px; padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.rules .ico { color: var(--cyan-dark); margin-top: 2px; width: 22px; height: 22px; }
.rules strong { display: block; color: var(--petrol); font-size: 15.5px; margin-bottom: 2px; }
.rules span { font-size: 14.5px; color: var(--muted); display: block; }

/* tabela EPI */
.epi { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.epi .feat { padding: 22px 18px; text-align: left; }
.epi .feat p { font-size: 14px; }
.epi h3 { font-size: 16px; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; transition: .2s; }
.faq details[open] { box-shadow: var(--shadow); border-color: var(--cyan); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 56px 18px 22px; font-weight: 700; color: var(--petrol); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 400; color: var(--cyan); transition: .2s; }
.faq details[open] summary::after { content: '–'; }
.faq p { padding: 0 22px 20px; color: var(--muted); }

/* contato */
.contact { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: stretch; }
.contact-list { display: grid; gap: 14px; grid-template-rows: repeat(4, auto) 1fr; }
.contact-item { display: flex; gap: 16px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: .2s; align-items: center; }
a.contact-item:hover { border-color: var(--cyan); box-shadow: var(--shadow); }
.contact-item .feat__ico { margin: 0; flex: none; }
.contact-item small { display: block; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.contact-item strong { font-size: 17px; color: var(--petrol); word-break: break-word; }
.contact-card { background: var(--petrol); border-radius: var(--radius); padding: 26px; color: #b8d3d4; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.contact-card h3 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.contact-card p { font-size: 15px; margin-bottom: 18px; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 34px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.form h2 { font-size: 26px; font-weight: 800; }
.form > p { color: var(--muted); margin: 8px 0 24px; font-size: 15px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; flex: 1; grid-template-rows: auto auto minmax(0, 1fr); }
.field { display: grid; gap: 6px; }
.field--full { grid-column: 1 / -1; grid-template-rows: auto 1fr; }
.field--full textarea { height: 100%; }
.field label { font-size: 13.5px; font-weight: 700; color: var(--petrol); }
.field input, .field select, .field textarea { font: 500 15px var(--font); padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fbfdfd; color: var(--ink); width: 100%; transition: .2s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(32, 166, 166, .15); background: #fff; }
.field textarea { min-height: 110px; resize: vertical; }
.form .btn { width: 100%; margin-top: 20px; padding: 16px; }
.form small.note { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; text-align: center; }

/* serviços (lista com ícones horizontais) */
.service { display: flex; align-items: center; gap: 18px; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.service .feat__ico { margin: 0; flex: none; }
.service h3 { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.service p { color: var(--muted); font-size: 15px; }

/* footer */
.footer { background: var(--petrol-dark); color: #9fbcbe; font-size: 14.5px; }
.footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.2fr; gap: 40px; padding: 60px 0 44px; }
.footer .brand img { height: 50px; }
.footer p { margin-top: 18px; max-width: 320px; }
.footer h4 { color: #fff; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 18px; }
.footer li + li { margin-top: 10px; }
.footer a:hover { color: #fff; }
.footer .ci { display: flex; gap: 10px; align-items: flex-start; }
.footer .ci .ico { color: var(--cyan); margin-top: 3px; width: 17px; height: 17px; }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .08); }
.footer__bottom .wrap { padding: 20px 0; font-size: 13px; align-items: center; }
.footer__bottom .copy { grid-column: 1 / span 3; }
.footer__bottom .lema { grid-column: 4; }

.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 40; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 10px 26px rgba(37, 211, 102, .45); transition: .2s; }
.wa-float:hover { transform: scale(1.08); }
.wa-float .ico { width: 30px; height: 30px; fill: #fff; stroke: none; }

/* revelar ao rolar */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s, transform .7s; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- responsivo ---------- */
@media (max-width: 1060px) {
  .grid--4, .epi { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps .step, .steps--5 .step:nth-child(n+4), .steps--4 .step { grid-column: auto; }
  .steps .step:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .epi { grid-template-columns: repeat(6, 1fr); }
  .epi .feat { grid-column: span 2; }
  .epi .feat:nth-child(n+4) { grid-column: span 3; }
  .stats ul { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(2) { border-right: 0; }
  .stats li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer .wrap { grid-template-columns: 1fr 1fr; }
  .footer__bottom .copy, .footer__bottom .lema { grid-column: 1 / -1; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 940px) {
  .header { backdrop-filter: none; background: #fff; }
  .burger { display: block; }
  .nav { position: fixed; inset: 0 0 0 auto; width: min(340px, 88vw); background: #fff; flex-direction: column; align-items: stretch; padding: 90px 22px 28px; gap: 0; box-shadow: var(--shadow-lg); transform: translateX(105%); transition: transform .3s; overflow-y: auto; z-index: 70; }
  .nav.open { transform: none; }
  .nav > ul { flex-direction: column; align-items: stretch; }
  .nav a.nav__link, .nav button.nav__link { width: 100%; justify-content: space-between; padding: 14px 10px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 16px; }
  .nav .is-active::after { display: none; }
  .menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 10px; display: none; min-width: 0; }
  .has-menu.open .menu { display: block; }
  .has-menu:hover .menu { display: none; }
  .has-menu.open:hover .menu { display: block; }
  .nav__cta { margin: 20px 0 0; }
  .nav__cta .btn { width: 100%; }
  .burger.close { position: fixed; right: 16px; top: 22px; z-index: 80; }
  .scrim { position: fixed; inset: 0; background: rgba(10, 38, 41, .5); z-index: 45; opacity: 0; visibility: hidden; transition: .3s; }
  .scrim.show { opacity: 1; visibility: visible; }
  .page-hero--product .wrap, .split, .contact, .overview { grid-template-columns: 1fr; gap: 32px; }
  .overview__media .media { min-height: 0; aspect-ratio: 4 / 3; flex: none; width: 100%; }
  .contact-list { grid-template-rows: none; }
  .grid--3, .safety-points { grid-template-columns: repeat(2, 1fr); }
  .grid--6 > .span-2, .grid--6 > .span-3 { grid-column: span 3; }
  .grid--6 > :last-child:nth-child(odd), .grid--3 > :last-child:nth-child(odd), .safety-points > :last-child:nth-child(odd) { grid-column: 1 / -1; }
  .rules { grid-template-columns: 1fr; }
  .topbar .topbar__loc { display: none; }
}
@media (max-width: 680px) {
  .wrap { width: min(var(--wrap), 100% - 36px); }
  .section { padding: 48px 0; }
  .hero .wrap { padding: 64px 0 120px; }
  .grid--2, .grid--3, .grid--4, .safety-points, .steps, .fields { grid-template-columns: 1fr; }
  .grid--6 { grid-template-columns: 1fr; }
  .grid--6 > .span-2, .grid--6 > .span-3 { grid-column: auto; }
  .grid--6 > :last-child:nth-child(odd), .grid--3 > :last-child:nth-child(odd), .safety-points > :last-child:nth-child(odd) { grid-column: auto; }
  .epi { grid-template-columns: 1fr 1fr; }
  .epi .feat, .epi .feat:nth-child(n+4) { grid-column: auto; }
  .epi .feat:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .gallery-row { grid-template-columns: 1fr; }
  .steps .step:last-child:nth-child(odd) { grid-column: auto; }
  .stats ul { grid-template-columns: 1fr; }
  .stats li, .stats li:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .stats li a { padding: 20px; }
  .stats li:last-child { border: 0; }
  .footer .wrap { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 30px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 10px; }
  .form { padding: 24px 20px; }
  .cta .wrap { padding: 42px 0; }
  .topbar ul { gap: 14px; }
  .topbar li:nth-child(2) { display: none; }
  .spec div { grid-template-columns: 1fr; gap: 2px; }
  .hero__actions .btn, .cta__actions .btn { flex: 1 1 100%; }
}

/* Link de salto para o conteúdo (acessibilidade) */
.skip { position: absolute; left: 16px; top: -60px; z-index: 200; padding: 10px 16px; background: var(--petrol-dark); color: #fff; font-weight: 600; border-radius: 0 0 8px 8px; transition: top .15s; }
.skip:focus { top: 0; }

/* visão geral do produto: texto, ficha e mídia na mesma altura */
.overview { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: stretch; }
.overview h2 { font-size: clamp(28px, 3.2vw, 38px); font-weight: 800; margin-bottom: 16px; }
.overview p { color: #3d5558; }
.overview p + p { margin-top: 14px; }
.overview__text { display: flex; flex-direction: column; gap: 32px; }
.overview__media { display: flex; }
.media { margin: 0; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); background: var(--bg-alt); }
.media img { width: 100%; height: 100%; object-fit: cover; }
.overview__media .media { flex: 1; min-height: 380px; position: relative; }
.overview__media .media img { position: absolute; inset: 0; }
.gallery-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 40px; }
.gallery-row .media { aspect-ratio: 16 / 10; }

/* painel de destaques ao lado de um texto */
.panel { background: var(--bg-alt); border-radius: var(--radius); padding: 34px 36px; display: flex; flex-direction: column; justify-content: center; }
.panel h3 { font-size: 19px; font-weight: 800; }
.panel .checks { margin-top: 18px; gap: 16px; }

@media (max-width: 940px) {
  .overview { grid-template-columns: 1fr; gap: 32px; }
  .overview__media .media { min-height: 0; aspect-ratio: 4 / 3; flex: none; width: 100%; }
}
@media (max-width: 680px) {
  .gallery-row { grid-template-columns: 1fr; gap: 16px; margin-top: 28px; }
  .panel { padding: 26px 22px; }
}

.feat--help { display: flex; flex-direction: column; justify-content: center; background: var(--cyan-soft); border-color: transparent; }
.feat--help .feat__ico { background: #fff; }
.feat__link { margin-top: 16px; }

/* segurança: faixa de pilares sobre o topo da página */
.page-hero--stats .wrap { padding-bottom: 112px; }
.page-hero--stats + .stats { margin-top: -62px; }


/* ---------- navegação, âncoras e links ---------- */
.page-hero--stats .wrap { padding-bottom: 112px; }
.page-hero--stats + .stats { margin-top: -62px; }
[id] { scroll-margin-top: 104px; }
.pagenav [id], .header [id] { scroll-margin-top: 0; }
.topbar a.topbar__loc:hover { color: #fff; }

/* menu com link principal + botão de submenu */
.has-menu { display: flex; align-items: center; }
.has-menu > .nav__link { padding-right: 4px; }
.menu-toggle { background: none; border: 0; cursor: pointer; color: var(--ink); padding: 10px 8px 10px 0; border-radius: 8px; display: inline-flex; align-items: center; }
.menu-toggle .ico { width: 15px; height: 15px; transition: transform .2s; }
.has-menu:hover .menu-toggle .ico, .has-menu.open .menu-toggle .ico { transform: rotate(180deg); }
.menu { top: calc(100% - 2px); }
.nav .has-menu .is-active::after { right: 4px; }

/* cards e blocos clicáveis */
a.feat--link { display: block; color: inherit; }
a.feat--link h3::after { content: '→'; margin-left: 8px; color: var(--cyan); display: inline-block; transition: transform .2s; }
a.feat--link:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--cyan); }
a.feat--link:hover h3::after { transform: translateX(4px); }
.section--dark a.feat--link:hover { background: rgba(255, 255, 255, .12); border-color: rgba(95, 214, 214, .5); }
a.feat--help { display: flex; }
a.feat--help h3::after { content: none; }
.feat--help .link-arrow { margin-top: 16px; }
a.service { transition: .2s; color: inherit; }
a.service:hover { box-shadow: var(--shadow); border-color: var(--cyan); transform: translateY(-2px); }
.chips a { display: block; padding: 9px 16px; margin: -9px -16px; }
.chips li:hover { border-color: var(--cyan); background: var(--cyan-soft); }
.checks a { border-bottom: 1px dashed rgba(32, 166, 166, .5); }
.checks a:hover { color: var(--cyan-dark); border-bottom-style: solid; }
a.sector { color: #fff; }
a.sector:hover h3 { text-decoration: underline; text-underline-offset: 4px; }
.gallery figure a { display: block; width: 100%; height: 100%; }
.crumbs span[aria-current] { color: #fff; }
a.contact-item:hover { border-color: var(--cyan); box-shadow: var(--shadow); }
.footer .lema:hover, .footer__cta:hover { color: #fff; }
.footer__cta { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: #5fd6d6; }
.footer__cta .ico { width: 16px; height: 16px; }
.footer .ci a:hover { color: #fff; }

/* links dentro de texto corrido */
.split p a, .overview p a, .step p a, .callout p a, .spec dd a, .head p a, .form p a {
  color: var(--cyan-dark); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(32, 166, 166, .45); text-underline-offset: 3px;
}
.split p a:hover, .overview p a:hover, .step p a:hover, .callout p a:hover, .spec dd a:hover { text-decoration-color: currentColor; }

/* navegação interna da página */
.pagenav { position: sticky; top: 78px; z-index: 40; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.pagenav .wrap { display: flex; align-items: center; gap: 18px; min-height: 54px; }
.pagenav__label { flex: none; font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pagenav ul { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding: 8px 0; }
.pagenav ul::-webkit-scrollbar { display: none; }
.pagenav a { display: block; white-space: nowrap; padding: 8px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--petrol); transition: .2s; }
.pagenav a:hover { background: var(--cyan-soft); color: var(--cyan-dark); }
.pagenav a.is-current { background: var(--petrol); color: #fff; }
.pagenav + .section, .pagenav + .stats { scroll-margin-top: 0; }
[id] { scroll-margin-top: 160px; }

/* chamadas para contato */
.cta .eyebrow { color: #5fd6d6; margin-bottom: 12px; }
.cta__actions .btn--primary { padding: 16px 28px; font-size: 16px; }
.cta-inline { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 26px 32px; margin: 30px 0; border-radius: var(--radius); background: var(--cyan-soft); border: 1px solid rgba(32, 166, 166, .25); }
.cta-inline strong { display: block; color: var(--petrol); font-size: 19px; font-weight: 800; line-height: 1.3; }
.cta-inline span { display: block; color: #3d5558; margin-top: 4px; font-size: 15.5px; }
.cta-inline .btn { flex: none; }
.section + .wrap .cta-inline, .wrap + .section { }
.faq__more { margin: 0 22px 20px; }
.faq details[open] .faq__more { display: inline-flex; }
.faq details:not([open]) .faq__more { display: none; }
@media (max-width: 940px) { .pagenav { top: 78px; } .pagenav__label { display: none; } [id] { scroll-margin-top: 150px; } }
@media (max-width: 680px) { .cta-inline { flex-direction: column; align-items: stretch; text-align: left; padding: 22px; } .cta-inline .btn { justify-content: center; } }

@media (max-width: 940px) {
  .has-menu { flex-wrap: wrap; }
  .has-menu > .nav__link { flex: 1; padding-right: 10px; }
  .menu-toggle { width: 52px; justify-content: center; padding: 14px 0; border-bottom: 1px solid var(--line); border-radius: 0; }
  .has-menu .menu { flex: 0 0 100%; }
  .has-menu:hover .menu-toggle .ico { transform: none; }
  .has-menu.open .menu-toggle .ico { transform: rotate(180deg); }
}

.cta .wrap > div:first-child { flex: 1 1 420px; }
.cta__actions { flex: none; }
span.nw { display: inline !important; margin: 0 !important; padding: 0 !important; font: inherit !important; color: inherit !important; white-space: nowrap; }
@media (max-width: 940px) { .has-menu { align-items: stretch; } .menu-toggle { padding: 0; } }

/* ---------- miniatura 3D do andaime ao lado do botão do menu (somente mobile/tablet) ---------- */
#bg3d { display: none; }
@media (max-width: 940px) {
  #bg3d { display: block; order: 1; width: 44px; height: 44px; margin-left: auto; margin-right: 2px; pointer-events: none; flex: none; }
  .header .burger { order: 2; }
  .header .burger.close + #bg3d { visibility: hidden; }
}
@media print { #bg3d { display: none !important; } }

/* ---------- o site se constrói conforme a rolagem ---------- */
.build-on main > section.section, .build-on main > section.cta { position: relative; }
.build-on main > section > .beam { position: absolute; left: 0; right: 0; top: 0; height: 4px; z-index: 1; pointer-events: none; transform: scaleX(0); transform-origin: left center; background: linear-gradient(90deg, var(--cyan), var(--amber) 70%, transparent); }
.build-on .reveal { opacity: 1; transform: none; }
@media print { .beam { display: none; } }