/* União Brasil — estilos principais
   Conceito: página clara e institucional. Branco e verdes/azuis pastel nas
   seções; verde-floresta e azul-marinho como tons escuros de contraste.
   Tipografia IBM Plex (sans para texto e títulos, mono para dados técnicos). */

:root {
	--white: #ffffff;
	--mist: #f4f7f5;
	--sage-50: #edf4ef;
	--sage-200: #cfe3d6;
	--sky-50: #ecf3f7;
	--sky-200: #cde0ea;
	--forest: #1f4a3a;
	--forest-600: #2b5d4a;
	--navy: #17364a;
	--navy-600: #214a63;
	--teal: #2a7b8c;
	--text: #1c2b29;
	--muted: #586966;
	--line: #d9e3df;
	--on-dark: #f0f5f3;
	--on-dark-muted: #b4c7c1;
	--dark-line: rgba(207, 227, 214, .18);
	--earth: #b9a37a;

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

	--step-0: clamp(1rem, .97rem + .15vw, 1.06rem);
	--step-1: clamp(1.13rem, 1.07rem + .3vw, 1.3rem);
	--step-2: clamp(1.4rem, 1.25rem + .7vw, 1.8rem);
	--step-3: clamp(1.85rem, 1.5rem + 1.6vw, 2.65rem);
	--step-4: clamp(2.2rem, 1.6rem + 2.6vw, 3.5rem);

	--radius: 10px;
	--gutter: max(16px, env(safe-area-inset-left, 0px));
	--gutter-r: max(16px, env(safe-area-inset-right, 0px));
	--header-h: 80px;
	color-scheme: light;
}

*, *::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(--white);
	color: var(--text);
	font-family: var(--sans);
	font-size: var(--step-0);
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--sans); line-height: 1.18; margin: 0; text-wrap: balance; letter-spacing: -.01em; font-weight: 600; }
p { margin: 0; }
.mono { font-family: var(--mono); }
.sr, .screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--forest); color: var(--white); padding: .6rem 1rem; border-radius: 6px; }
.skip:focus { left: 16px; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.wrap-narrow { max-width: 820px; }

/* ---------- Seções ---------- */
.section { padding-block: clamp(4rem, 3rem + 4vw, 6.5rem); }
.section-tint { background: var(--mist); }
.band-ink { background: var(--navy); color: var(--on-dark); }
.band-brand { background: var(--forest); color: var(--on-dark); }

.eyebrow {
	font-size: .8rem;
	font-weight: 600;
	letter-spacing: .12em;
	text-transform: uppercase;
	color: var(--teal);
	margin-bottom: 1rem;
}
.eyebrow-light { color: var(--sage-200); }

.section-head { max-width: 760px; margin-bottom: clamp(2.2rem, 1.8rem + 2vw, 3.5rem); }
.section-head-split { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 4rem; align-items: end; }
.section-head-split .section-lead { margin: 0; }
.section-title { font-size: var(--step-3); }
.section-title em { font-style: normal; font-weight: 400; color: var(--forest-600); }
.band-ink .section-title em, .band-brand .section-title em { color: var(--sage-200); }
.section-lead { margin-top: 1.1rem; color: var(--muted); font-size: var(--step-1); line-height: 1.55; max-width: 60ch; }

/* ---------- Botões ---------- */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
	font-family: var(--sans); font-weight: 500; font-size: .97rem;
	padding: .75rem 1.25rem; border-radius: 6px; border: 1.5px solid transparent;
	text-decoration: none; cursor: pointer; line-height: 1.2;
	transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn .ico { width: 1.15em; height: 1.15em; }
.btn-lg { padding: .95rem 1.5rem; font-size: 1.02rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--forest); color: var(--white); }
.btn-primary:hover { background: var(--forest-600); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--sky-50); }
.btn-light { background: var(--sage-200); color: var(--forest); }
.btn-light:hover { background: var(--white); }

/* ---------- Cabeçalho ---------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--white); }
.site-header {
	position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
	background: rgba(255, 255, 255, .96);
	border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: var(--header-h); }
.brand { flex-shrink: 0; }
.brand-logo { height: 56px; width: auto; }
.nav { display: flex; align-items: center; gap: 2rem; }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.6rem; }
.nav-list a { color: var(--muted); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav-list a:hover, .nav-list .current-menu-item a { color: var(--forest); }
.nav-cta { padding: .6rem 1.1rem; font-size: .92rem; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--white); border-radius: 8px; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.nav-toggle .bar { width: 18px; height: 2px; background: var(--text); border-radius: 2px; }
.nav-toggle[aria-expanded="true"] .bar:first-of-type { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:last-of-type { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Topo ---------- */
.hero { padding-block: clamp(3rem, 2rem + 4vw, 5.5rem); background: linear-gradient(180deg, var(--sky-50) 0%, var(--white) 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.hero-copy { min-width: 0; }
.hero-title { font-size: var(--step-4); font-weight: 600; letter-spacing: -.02em; line-height: 1.1; color: var(--navy); }
.hero-title em { font-style: normal; font-weight: 400; color: var(--forest-600); }
.hero-lead { margin-top: 1.4rem; max-width: 58ch; font-size: var(--step-1); line-height: 1.6; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero-trust { margin-top: 2.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.hero-trust-k { display: block; font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: .8rem; }
.hero-logos { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem 2rem; }

/* Logotipos de clientes: tons de cinza uniformes, cor original ao passar o mouse */
.plogo { display: inline-flex; align-items: center; justify-content: center; height: 30px; }
.plogo img { height: 100%; width: auto; max-width: 120px; object-fit: contain; filter: grayscale(1); opacity: .7; transition: filter .2s ease, opacity .2s ease; }
.plogo:hover img { filter: none; opacity: 1; }
.plogo-text { display: none; font-weight: 600; color: var(--navy); letter-spacing: -.01em; white-space: nowrap; }
.plogo.is-text img { display: none; }
.plogo.is-text .plogo-text { display: inline; }
.plogo-lg { height: 52px; }
.plogo-lg img { max-width: 170px; }
.plogo-lg .plogo-text { font-size: var(--step-2); }

.hero-visual { margin: 0; min-width: 0; background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: .6rem; }
.hero-media { display: block; width: 100%; max-width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 9px; background: var(--sky-50); }
.hero-caption { padding: .75rem .5rem .3rem; font-size: .86rem; color: var(--muted); line-height: 1.5; }

/* ---------- Números ---------- */
.stats-band { border-block: 1px solid var(--line); background: var(--white); }
.stats { margin-block: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stats div { display: flex; flex-direction: column; padding: 1.8rem 1.5rem; border-left: 1px solid var(--line); }
.stats div:first-child { border-left: 0; padding-left: 0; }
.stats dd { margin: 0; font-size: var(--step-3); font-weight: 600; color: var(--navy); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stats dt { color: var(--muted); font-size: .92rem; margin-top: .3rem; }

/* ---------- Sobre ---------- */
.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem 5rem; align-items: start; }
.about-copy { min-width: 0; }
.about-copy p:not(.eyebrow) { color: var(--muted); margin-top: 1.1rem; max-width: 62ch; }
.about-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.about-points li { padding: 1.3rem 0 1.3rem 1.4rem; border-bottom: 1px solid var(--line); position: relative; }
.about-points li::before { content: ""; position: absolute; left: 0; top: 1.75rem; width: 8px; height: 8px; border-radius: 50%; background: var(--sage-200); border: 2px solid var(--forest-600); }
.about-points h3 { font-size: 1.08rem; color: var(--navy); }
.about-points p { color: var(--muted); font-size: .95rem; margin-top: .25rem; }
.sectors { margin-top: 3.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.sectors-k { font-size: .8rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-right: .6rem; }
.sector { padding: .35rem .8rem; border-radius: 999px; background: var(--sage-50); color: var(--forest); font-size: .88rem; border: 1px solid var(--sage-200); }

/* ---------- Obras ---------- */
.works { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1rem; align-items: start; }
.work { margin: 0; min-width: 0; }
.work img { width: 100%; max-width: 100%; height: clamp(240px, 28vw, 400px); object-fit: cover; border-radius: var(--radius); display: block; }
.work figcaption { margin-top: .6rem; font-size: .9rem; color: var(--muted); }

/* ---------- Comparação ---------- */
.versus { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.5rem; align-items: stretch; }
.versus-col { padding: clamp(1.4rem, 1rem + 1.6vw, 2.2rem); border-radius: var(--radius); min-width: 0; }
.versus-old { background: var(--white); border: 1px solid var(--line); }
.versus-new { background: var(--sage-50); border: 1px solid var(--sage-200); }
.versus-tag { font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.versus-new .versus-tag { color: var(--forest-600); }
.versus-col h3 { font-size: var(--step-2); margin: .4rem 0 1.3rem; color: var(--navy); }
.versus-old h3 { color: var(--muted); }
.versus-arrow { display: grid; place-items: center; color: var(--teal); }
.versus-arrow .ico { width: 30px; height: 30px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .85rem; }
.checks li { position: relative; padding-left: 1.9rem; line-height: 1.5; }
.checks li::before {
	content: ""; position: absolute; left: 0; top: .2em; width: 1.1rem; height: 1.1rem; border-radius: 50%;
	background: var(--forest) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 68% no-repeat;
}
.checks-neg li { color: var(--muted); }
.checks-neg li::before { background: transparent; border: 1.5px solid var(--line); }
.checks-neg li::after { content: ""; position: absolute; left: .32rem; top: calc(.2em + .5rem); width: .46rem; height: 1.5px; background: var(--muted); }

.equiv { margin-top: clamp(2.8rem, 2rem + 3vw, 4rem); border-top: 1px solid var(--line); padding-top: 1.6rem; }
.equiv-head { font-size: var(--step-1); font-weight: 500; color: var(--navy); }
.equiv-head .mono { background: var(--sky-50); color: var(--navy); padding: .05em .4em; border-radius: 4px; border: 1px solid var(--sky-200); font-size: .9em; }
.equiv-list { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.equiv-list li { padding: .3rem 1.2rem; border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: .2rem; }
.equiv-list li:first-child { border-left: 0; padding-left: 0; }
.equiv-list b { font-size: var(--step-2); font-weight: 500; color: var(--forest); font-variant-numeric: tabular-nums; }
.equiv-list span { color: var(--muted); font-size: .9rem; line-height: 1.4; }

/* ---------- Fontes de valor ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.value { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.4rem, 1rem + 1vw, 1.9rem); display: flex; flex-direction: column; gap: .7rem; }
.value-ico { width: 44px; height: 44px; border-radius: 8px; background: var(--sky-50); color: var(--navy); display: grid; place-items: center; }
.value-ico .ico { width: 22px; height: 22px; }
.value h3 { font-size: 1.12rem; color: var(--navy); margin-top: .3rem; }
.value p { color: var(--muted); font-size: .95rem; flex: 1; }
.value-tag { align-self: flex-start; font-size: .78rem; font-weight: 500; color: var(--forest); background: var(--sage-50); border: 1px solid var(--sage-200); padding: .2rem .6rem; border-radius: 999px; }

/* ---------- Fluxo ---------- */
.flow { display: grid; grid-template-columns: 1fr 1fr 1.25fr; align-items: stretch; }
.flow > div { min-width: 0; }
.flow-k { display: block; font-size: .74rem; letter-spacing: .12em; color: var(--sky-200); margin-bottom: .5rem; }
.flow h3 { font-size: var(--step-1); margin-bottom: .4rem; }
.flow p { color: var(--on-dark-muted); font-size: .95rem; }
.flow-in, .flow-core { padding: 1.7rem 2.2rem 1.7rem 1.6rem; position: relative; border: 1px solid var(--dark-line); }
.flow-in { border-radius: var(--radius) 0 0 var(--radius); background: rgba(185, 163, 122, .12); }
.flow-core { border-left: 0; background: rgba(205, 224, 234, .1); }
.flow-in::after, .flow-core::after {
	content: ""; position: absolute; right: -8px; top: 50%; width: 16px; height: 16px; z-index: 2;
	transform: translateY(-50%) rotate(45deg); background: var(--sky-200); border-radius: 3px;
}
.flow-out { display: grid; border: 1px solid var(--dark-line); border-left: 0; border-radius: 0 var(--radius) var(--radius) 0; overflow: hidden; }
.flow-prod { padding: 1.15rem 1.6rem 1.15rem 2.2rem; border-top: 1px solid var(--dark-line); }
.flow-prod:first-child { border-top: 0; }
.flow-gas { background: rgba(207, 227, 214, .12); }
.flow-gas .flow-k { color: var(--sage-200); }
.flow-prod h3 { font-size: 1.08rem; }

/* ---------- Calculadora ---------- */
.calc { display: grid; grid-template-columns: 1fr 1fr; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: var(--white); }
.calc-form { padding: clamp(1.4rem, 1rem + 2vw, 2.4rem); display: grid; gap: 1.25rem; align-content: start; min-width: 0; }
.field { display: grid; gap: .4rem; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { font-size: .86rem; font-weight: 500; color: var(--text); }
input, select, textarea {
	width: 100%; font: inherit; font-size: 1rem; color: var(--text); background: var(--white);
	border: 1px solid #c9d6d1; border-radius: 6px; padding: .7rem .85rem;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(42, 123, 140, .15); }
textarea { resize: vertical; min-height: 110px; }
.input-unit { display: flex; align-items: stretch; border: 1px solid #c9d6d1; border-radius: 6px; background: var(--white); overflow: hidden; }
.input-unit:focus-within { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(42, 123, 140, .15); }
.input-unit input { border: 0; box-shadow: none !important; font-family: var(--mono); font-variant-numeric: tabular-nums; min-width: 0; }
.input-unit span { display: grid; place-items: center; padding: 0 .85rem; font-family: var(--mono); font-size: .8rem; color: var(--muted); background: var(--mist); border-left: 1px solid var(--line); white-space: nowrap; }
.range { -webkit-appearance: none; appearance: none; height: 4px; padding: 0; border: 0; border-radius: 99px; background: linear-gradient(to right, var(--forest-600) var(--fill, 10%), var(--line) var(--fill, 10%)); margin-top: .4rem; }
.range:focus { box-shadow: none; }
.range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--white); border: 2px solid var(--forest-600); cursor: pointer; }
.range::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--white); border: 2px solid var(--forest-600); cursor: pointer; }
.assumptions { font-size: .88rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 1rem; }
.assumptions summary { cursor: pointer; font-weight: 500; color: var(--teal); }
.assumptions ul { margin: .7rem 0 0; padding-left: 1.1rem; display: grid; gap: .3rem; }

.calc-out { background: var(--navy); color: var(--on-dark); padding: clamp(1.4rem, 1rem + 2vw, 2.4rem); display: flex; flex-direction: column; gap: .45rem; min-width: 0; }
.calc-out-k { font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-muted); }
.calc-big { font-weight: 600; font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.4rem); line-height: 1.05; color: var(--sage-200); font-variant-numeric: tabular-nums; letter-spacing: -.02em; overflow-wrap: anywhere; }
.calc-sub { color: var(--on-dark-muted); }
.calc-sub span { color: var(--on-dark); font-weight: 500; font-variant-numeric: tabular-nums; }
.meter { height: 6px; border-radius: 99px; background: rgba(240, 245, 243, .12); margin: 1rem 0 .4rem; overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--sky-200), var(--sage-200)); border-radius: inherit; }
.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: .8rem 0 1rem; background: var(--dark-line); border-radius: 8px; overflow: hidden; }
.calc-grid div { background: var(--navy-600); padding: .9rem 1rem; display: grid; }
.calc-grid dt { font-size: .8rem; color: var(--on-dark-muted); }
.calc-grid dd { margin: .15rem 0 0; font-family: var(--mono); font-weight: 500; font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.calc-grid small { font-family: var(--mono); font-size: .72rem; color: var(--on-dark-muted); }
.calc-note { font-size: .82rem; color: var(--on-dark-muted); line-height: 1.5; margin-bottom: 1rem; }
.calc-out .btn { margin-top: auto; }

/* ---------- Serviços ---------- */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.service { display: grid; grid-template-columns: auto 1fr; gap: 1rem; padding: 1.5rem; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); transition: border-color .15s ease; }
.service:hover { border-color: var(--sage-200); }
.service-ico { width: 44px; height: 44px; border-radius: 8px; background: var(--sage-50); color: var(--forest); display: grid; place-items: center; }
.service-ico .ico { width: 22px; height: 22px; }
.service h3 { font-size: 1.1rem; margin-bottom: .35rem; color: var(--navy); }
.service p { color: var(--muted); font-size: .95rem; }
.service-feature { background: var(--sage-50); border-color: var(--sage-200); }
.service-feature .service-ico { background: var(--forest); color: var(--white); }

/* ---------- Etapas ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.step { position: relative; padding: 2rem 1.4rem 0 0; border-top: 2px solid var(--line); }
.step::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--white); border: 2px solid var(--forest-600); }
.step-n { font-size: .82rem; color: var(--teal); font-weight: 500; }
.step h3 { font-size: 1.12rem; margin: .4rem 0; color: var(--navy); }
.step p { color: var(--muted); font-size: .95rem; }

/* ---------- Impacto ---------- */
.impact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem 4rem; align-items: center; }
.impact-copy p:not(.eyebrow) { color: var(--on-dark-muted); margin-top: 1.1rem; font-size: var(--step-1); line-height: 1.55; max-width: 46ch; }
.impact-grid { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2.2rem 2rem; }
.impact-grid div { border-top: 1px solid rgba(207, 227, 214, .35); padding-top: 1rem; display: flex; flex-direction: column; }
.impact-grid dd { margin: 0; font-size: var(--step-3); font-weight: 600; line-height: 1.05; font-variant-numeric: tabular-nums; }
.impact-grid dt { color: var(--on-dark-muted); font-size: .95rem; margin-top: .5rem; }

/* ---------- Parceiros ---------- */
.partners { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.partners li { padding: 2rem 1rem; display: flex; flex-direction: column; gap: .7rem; border-left: 1px solid var(--line); text-align: center; align-items: center; }
.partners li:first-child { border-left: 0; }
.partner-seg { font-size: .84rem; color: var(--muted); }

/* ---------- Dúvidas ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 3rem 5rem; align-items: start; }
.faq-wrap .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 2rem); }
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; cursor: pointer; padding: 1.2rem 2.5rem 1.2rem 0; font-weight: 500; font-size: 1.08rem; color: var(--navy); position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: .2rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; font-weight: 300; color: var(--teal); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 2.5rem 1.3rem 0; color: var(--muted); }

/* ---------- Contato ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3rem 4.5rem; align-items: start; }
.contact-copy p:not(.eyebrow) { color: var(--on-dark-muted); margin-top: 1.1rem; font-size: var(--step-1); line-height: 1.55; }
.contact-list { list-style: none; margin: 2.2rem 0 0; padding: 0; display: grid; gap: 1rem; }
.contact-list li { display: grid; gap: .1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--dark-line); }
.contact-k { font-size: .76rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--sky-200); }
.contact-list a { text-decoration: none; font-size: 1.08rem; font-weight: 500; overflow-wrap: anywhere; }
.contact-list a:hover { color: var(--sage-200); }
.contact-form { background: var(--white); color: var(--text); border-radius: 12px; padding: clamp(1.4rem, 1rem + 2vw, 2.2rem); display: grid; gap: 1.05rem; min-width: 0; }
.hp { position: absolute; left: -9999px; }
.form-status { font-size: .92rem; min-height: 1.4em; }
.form-status.is-ok { color: var(--forest-600); font-weight: 500; }
.form-status.is-erro { color: #a3361a; font-weight: 500; }
.contact-form.is-sending button { opacity: .6; pointer-events: none; }

/* ---------- Rodapé ---------- */
.site-footer { background: #10283a; color: var(--on-dark-muted); padding-block: 3.5rem 2rem; padding-bottom: calc(2rem + env(safe-area-inset-bottom, 0px)); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; }
.footer-brand img { height: 64px; width: auto; margin-bottom: 1rem; }
.footer-brand p { max-width: 36ch; font-size: .95rem; }
.footer-h { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark); margin-bottom: 1rem; font-weight: 600; }
.footer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; font-size: .95rem; }
.footer-list a { text-decoration: none; }
.footer-list a:hover { color: var(--on-dark); }
.footer-copy { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--dark-line); font-size: .84rem; }
.footer-copy a { text-decoration: none; }

.wa-float {
	position: fixed; z-index: 40;
	right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px));
	width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
	background: #25d366; color: #fff; box-shadow: 0 8px 20px -8px rgba(16, 40, 58, .45);
}
.wa-float .ico { width: 26px; height: 26px; }

/* ---------- Páginas internas ---------- */
.page-wrap { min-height: 50vh; }
.page-head { margin-bottom: 2.5rem; }
.page-thumb { margin: 0 0 2rem; border-radius: var(--radius); overflow: hidden; }
.prose { font-size: 1.06rem; line-height: 1.75; }
.prose > * + * { margin-top: 1.2em; }
.prose h2 { font-size: var(--step-2); margin-top: 2em; }
.prose h3 { font-size: var(--step-1); margin-top: 1.6em; }
.prose a { color: var(--teal); }
.prose img { border-radius: 8px; }
.post-list { display: grid; gap: 2rem; }
.post-card { display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.post-card:not(.has-post-thumbnail) { grid-template-columns: 1fr; }
.post-card h2 { font-size: var(--step-1); margin: .3rem 0 .6rem; }
.post-card h2 a { text-decoration: none; }
.post-thumb img { border-radius: 8px; }
.post-meta { font-size: .8rem; color: var(--muted); }
.nav-links { display: flex; gap: .5rem; margin-top: 2rem; }
.nav-links .page-numbers { padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 6px; text-decoration: none; }
.nav-links .current { background: var(--forest); color: var(--white); border-color: var(--forest); }

/* ---------- Responsivo ---------- */
@media (max-width: 1080px) {
	.nav-list { gap: 1.1rem; }
	.steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 2.5rem; }
	.equiv-list { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 1.4rem; }
	.equiv-list li:nth-child(4) { border-left: 0; padding-left: 0; }
}

@media (max-width: 920px) {
	:root { --header-h: 68px; }
	.brand-logo { height: 46px; }
	.nav-toggle { display: inline-flex; }
	.nav {
		position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 auto 0;
		flex-direction: column; align-items: stretch; gap: 1rem;
		padding: 1.2rem var(--gutter-r) 1.6rem var(--gutter);
		background: var(--white); border-bottom: 1px solid var(--line);
		display: none;
	}
	.nav.is-open { display: flex; }
	.nav-list { flex-direction: column; gap: 0; }
	.nav-list a { display: block; padding: .8rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); color: var(--text); }
	.hero-grid, .section-head-split, .impact, .contact, .faq-wrap, .about { grid-template-columns: 1fr; }
	.faq-wrap .section-head { position: static; }
	.hero-visual { width: 100%; }
	.works { grid-template-columns: 1fr; }
	.work img { height: auto; aspect-ratio: 16 / 10; }
	.stats { grid-template-columns: 1fr 1fr; }
	.stats div:nth-child(3) { border-left: 0; padding-left: 0; }
	.stats div:nth-child(n+3) { border-top: 1px solid var(--line); }
	.versus { grid-template-columns: 1fr; }
	.versus-arrow { transform: rotate(90deg); }
	.value-grid, .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.calc { grid-template-columns: 1fr; }
	.flow { grid-template-columns: 1fr; }
	.flow-in, .flow-core { padding: 1.4rem 1.4rem 1.9rem; border-left: 1px solid var(--dark-line); }
	.flow-in { border-radius: var(--radius) var(--radius) 0 0; }
	.flow-core { border-top: 0; }
	.flow-in::after, .flow-core::after { right: auto; left: 50%; top: auto; bottom: -8px; transform: translateX(-50%) rotate(45deg); }
	.flow-out { border-left: 1px solid var(--dark-line); border-top: 0; border-radius: 0 0 var(--radius) var(--radius); }
	.flow-prod { padding: 1.4rem 1.4rem 1.15rem; }
	.flow-prod:first-child { padding-top: 1.9rem; }
	.partners { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.partners li:nth-child(4) { border-left: 0; }
	.partners li:nth-child(n+4) { border-top: 1px solid var(--line); }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
	.hero-actions .btn { width: 100%; }
	.stats div { padding: 1.3rem 1rem; }
	.stats div:nth-child(odd) { padding-left: 0; }
	.value-grid, .services { grid-template-columns: 1fr; }
	.steps { grid-template-columns: 1fr; }
	.step { padding: 0 0 1.7rem 1.8rem; border-top: 0; border-left: 2px solid var(--line); }
	.step::before { top: 0; left: -7px; }
	.step:last-child { padding-bottom: 0; }
	.equiv-list { grid-template-columns: 1fr 1fr; }
	.equiv-list li { border-left: 0 !important; padding: .3rem 0 !important; }
	.field-row { grid-template-columns: 1fr; }
	.calc-grid dd { font-size: 1.1rem; }
	.impact-grid { grid-template-columns: 1fr 1fr; gap: 1.6rem 1rem; }
	.partners { grid-template-columns: 1fr 1fr; }
	.partners li { border-left: 0 !important; border-top: 1px solid var(--line); padding: 1.3rem .5rem; }
	.partners li:nth-child(-n+2) { border-top: 0; }
	.partners li:nth-child(even) { border-left: 1px solid var(--line) !important; }
	.partners li:last-child { grid-column: 1 / -1; border-left: 0 !important; }
	.post-card { grid-template-columns: 1fr; }
	.footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
}