/* =========================================================
   Ecosan — layout inspirado na estrutura/cores de referência
   Paleta: verde escuro, verde claro, laranja, cinza
   ========================================================= */
:root {
  --green: #346534;
  --green-dark: #264a26;
  --green-light: #9bbb59;
  --orange: #e08d00;
  --orange-dark: #b37000;
  --text: #444444;
  --heading: #222222;
  --gray-bg: #f4f5f2;
  --dark: #2d3538;
  --black: #080808;
  --white: #ffffff;
  --radius: 4px;
  --shadow: 0 6px 24px rgba(0, 0, 0, .08);
  --font-body: 'Open Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-head: 'Raleway', 'Open Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body { margin: 0; font-family: var(--font-body); font-size: 15px; line-height: 1.7; color: var(--text); background: var(--white); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-light); }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--heading); line-height: 1.25; margin: 0 0 .6em; }
ul { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

.container { width: 100%; max-width: 1170px; margin: 0 auto; padding: 0 15px; }
.container--narrow { max-width: 860px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--orange); color: #fff; padding: 8px 14px; z-index: 999; }
.skip-link:focus { left: 10px; }

/* Botões */
.btn { display: inline-block; padding: 11px 26px; border: 2px solid transparent; border-radius: var(--radius); font-family: var(--font-head); font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; transition: background .2s, border-color .2s, color .2s; text-align: center; }
.btn--green { background: var(--green); border-color: var(--orange); color: #fff; }
.btn--green:hover { background: var(--green-light); border-color: var(--orange-dark); color: #fff; }
.btn--orange { background: var(--orange); color: #fff; }
.btn--orange:hover { background: var(--orange-dark); color: #fff; }
.btn--outline { border-color: #fff; color: #fff; background: transparent; }
.btn--outline:hover { background: #fff; color: var(--green); }
.btn--lg { padding: 15px 32px; font-size: 14px; }

/* Top bar */
.top-bar { background: var(--green); color: #fff; font-size: 13px; }
.top-bar__inner { display: flex; justify-content: space-between; align-items: center; min-height: 34px; gap: 10px; }
.top-bar ul { display: flex; gap: 20px; }
.top-bar a { color: #fff; }
.top-bar a:hover { color: var(--green-light); }

/* Header top */
.header-top { background: #fff; border-bottom: 1px solid #eee; }
.header-top__inner { display: flex; align-items: center; justify-content: space-between; min-height: 110px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 14px; color: var(--heading); }
.logo img { width: 84px; height: 84px; border-radius: 8px; }
.logo__text strong { display: block; font-family: var(--font-head); font-size: 28px; letter-spacing: 2px; line-height: 1; color: var(--green); }
.logo__text strong span { color: var(--orange); }
.logo__text small { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text); margin-top: 4px; }
.header-contacts { display: flex; gap: 30px; }
.hc-item { display: flex; align-items: center; gap: 12px; }
.hc-icon { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--green-light); display: grid; place-items: center; flex-shrink: 0; }
.hc-icon svg { width: 20px; height: 20px; fill: var(--green); }
.hc-item small { display: block; font-size: 12px; color: #888; line-height: 1.2; }
.hc-item a, .hc-item span { font-family: var(--font-head); font-weight: 700; color: var(--heading); font-size: 15px; }
.nav-toggle { display: none; background: var(--green); border: 0; width: 44px; height: 44px; border-radius: var(--radius); padding: 11px 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 3px; background: #fff; margin: 4px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menu principal */
.main-nav { background: var(--green); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,.15); }
.main-nav .container { display: flex; align-items: center; justify-content: space-between; }
.menu { display: flex; flex-wrap: nowrap; }
.menu a { display: block; padding: 0 11px; line-height: 58px; color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; border-bottom: 3px solid transparent; }
.menu a:hover, .menu a.is-current { color: var(--green-light); border-bottom-color: var(--orange); }
.nav-cta { padding: 9px 18px; font-size: 12px; }

/* Hero / slider */
.hero { position: relative; height: 560px; overflow: hidden; background: var(--dark); }
.slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility .9s; display: flex; align-items: center; }
.slide::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,40,20,.88) 0%, rgba(20,40,20,.6) 50%, rgba(0,0,0,.15) 100%); }
.slide.is-active { opacity: 1; visibility: visible; }
.slide__caption { position: relative; color: #fff; }
.slide__caption > * { max-width: 640px; }
.slide.is-active .slide__caption > * { animation: slideIn .8s both; }
.slide.is-active .slide__caption > *:nth-child(2) { animation-delay: .15s; }
.slide.is-active .slide__caption > *:nth-child(3) { animation-delay: .3s; }
.slide.is-active .slide__caption > *:nth-child(4) { animation-delay: .45s; }
@keyframes slideIn { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: none; } }
.slide__kicker { display: inline-block; background: var(--orange); color: #fff; padding: 4px 12px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 18px; }
.slide h1, .slide h2 { color: #fff; font-size: 44px; font-weight: 800; text-transform: uppercase; }
.slide em { font-style: normal; color: var(--green-light); }
.slide p { font-size: 17px; margin-bottom: 26px; color: rgba(255,255,255,.92); }
.hero__dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 2; }
.hero__dots button { width: 14px; height: 14px; border-radius: 50%; border: 2px solid #fff; background: transparent; cursor: pointer; padding: 0; }
.hero__dots button[aria-selected="true"] { background: var(--orange); border-color: var(--orange); }

/* Faixa */
.strip { background: var(--green-light); color: #fff; text-align: center; font-family: var(--font-head); font-weight: 700; font-size: 18px; padding: 16px 0; }

/* Features (3 colunas) */
.features { padding: 70px 0; }
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature { text-align: center; padding: 36px 28px; border: 1px solid #e8e8e8; border-top: 4px solid var(--green); background: #fff; transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column; }
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature__icon { width: 80px; height: 80px; margin: 0 auto 18px; border-radius: 50%; background: var(--green); display: grid; place-items: center; transition: background .25s; }
.feature:hover .feature__icon { background: var(--orange); }
.feature__icon svg { width: 38px; height: 38px; fill: #fff; }
.feature h3 { font-size: 20px; text-transform: uppercase; }
.feature ul { text-align: left; margin-bottom: 24px; flex: 1; }
.feature li { padding: 8px 0 8px 22px; border-bottom: 1px dashed #ddd; position: relative; font-size: 14px; }
.feature li::before { content: ''; position: absolute; left: 4px; top: 16px; width: 8px; height: 8px; background: var(--green-light); border-radius: 50%; }
.feature .btn { align-self: center; }

/* Faixa missão */
.mission-band { background: var(--dark) url('../assets/img/bg-hero.webp') center/cover fixed; position: relative; color: #fff; padding: 60px 0; border-top: 5px solid var(--green); }
.mission-band::before { content: ''; position: absolute; inset: 0; background: rgba(38, 74, 38, .9); }
.mission-band__inner { position: relative; display: flex; align-items: center; gap: 40px; justify-content: space-between; }
.mission-band h2 { color: #fff; font-size: 28px; }
.mission-band p { max-width: 800px; margin: 0; font-size: 16px; }

/* Seções */
.section { padding: 80px 0; }
.section--gray { background: var(--gray-bg); }
.section--dark { background: var(--dark); color: rgba(255,255,255,.85); border-top: 5px solid var(--green); }
.section-title { text-align: center; max-width: 780px; margin: 0 auto 50px; }
.section-title span { display: inline-block; color: var(--orange); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: 2px; margin-bottom: 8px; }
.section-title h2 { font-size: 32px; position: relative; padding-bottom: 18px; }
.section-title h2::after { content: ''; position: absolute; left: 50%; bottom: 0; width: 70px; height: 3px; background: var(--green-light); transform: translateX(-50%); }
.section-title--light h2 { color: #fff; }
.sub-title { text-align: center; font-size: 24px; margin: 60px 0 30px; }
.sub-title small { display: block; font-family: var(--font-body); font-size: 15px; font-weight: 400; color: var(--text); margin-top: 6px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step { position: relative; padding: 36px 30px; background: #fff; border: 1px solid #e8e8e8; border-left: 4px solid var(--green-light); }
.step--highlight { border-left-color: var(--orange); box-shadow: var(--shadow); }
.step__num { font-family: var(--font-head); font-size: 44px; font-weight: 800; color: var(--green-light); line-height: 1; display: block; margin-bottom: 12px; }
.step h3 { font-size: 19px; }
.step__badge { position: absolute; top: -12px; right: 20px; background: var(--orange); color: #fff; font-size: 11px; font-weight: 700; text-transform: uppercase; padding: 3px 10px; letter-spacing: 1px; }

/* Missão & Propósito */
.mp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.mp-card { background: #fff; padding: 36px; border-top: 4px solid var(--green); box-shadow: var(--shadow); }
.mp-card h3 { color: var(--orange); text-transform: uppercase; font-size: 14px; letter-spacing: 2px; }
.mp-card h4 { font-size: 21px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 24px; }
.tags li { background: var(--green); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 20px; }
.tags--outline li { background: transparent; color: var(--green); border: 1px solid var(--green-light); }
.purpose li { padding: 12px 0 12px 16px; border-left: 3px solid var(--green-light); margin-bottom: 10px; background: var(--gray-bg); }
.purpose strong { display: block; color: var(--heading); font-family: var(--font-head); }
.purpose span { font-size: 14px; }

.values { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.values article { background: #fff; padding: 26px; border-bottom: 3px solid var(--green-light); transition: border-color .2s, transform .2s; }
.values article:hover { border-bottom-color: var(--orange); transform: translateY(-4px); }
.values h4 { font-size: 17px; color: var(--green); }
.values p { margin: 0; font-size: 14px; }
.section:not(.section--gray) .values article { background: var(--gray-bg); }

/* Serviços */
.svc-toolbar { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.svc-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.svc-tabs button { background: var(--gray-bg); border: 1px solid #ddd; color: var(--text); padding: 9px 16px; font-family: var(--font-head); font-weight: 700; font-size: 12px; text-transform: uppercase; cursor: pointer; border-radius: var(--radius); transition: background .2s, color .2s; }
.svc-tabs button:hover { border-color: var(--green-light); color: var(--green); }
.svc-tabs button.is-active { background: var(--green); color: #fff; border-color: var(--green); }
.svc-search input { width: 320px; max-width: 100%; padding: 10px 14px; border: 1px solid #ccc; border-radius: var(--radius); font: inherit; }
.svc-search input:focus { border-color: var(--green); outline: none; box-shadow: 0 0 0 3px rgba(155,187,89,.35); }
.svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 26px; }
.svc { display: flex; flex-direction: column; border: 1px solid #e5e5e5; background: #fff; transition: box-shadow .25s, transform .25s; }
.svc:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.svc__head { background: var(--green); color: #fff; padding: 18px 22px; }
.svc__cat { font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--green-light); font-weight: 700; }
.svc__head h3 { color: #fff; font-size: 18px; margin: 4px 0 0; }
.svc__body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
.svc__body ul { margin: 6px 0 18px; flex: 1; }
.svc__body li { padding: 5px 0 5px 22px; position: relative; font-size: 14px; }
.svc__body li::before { content: '✔'; position: absolute; left: 0; color: var(--orange); font-size: 12px; top: 6px; }
.svc__body .btn { align-self: flex-start; padding: 8px 18px; font-size: 12px; }
.svc-empty { text-align: center; padding: 40px 0; }
.svc-empty button { margin-left: 8px; }

/* SESMT */
.sesmt { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; }
.sesmt__text h4 { color: var(--orange); font-size: 16px; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.kpis li { background: var(--green); color: #fff; padding: 16px; text-align: center; }
.kpis strong { display: block; font-family: var(--font-head); font-size: 18px; }
.kpis span { font-size: 13px; color: rgba(255,255,255,.85); }
.sesmt__profiles { background: #fff; padding: 30px; border-top: 4px solid var(--orange); box-shadow: var(--shadow); }
.sesmt__profiles h3 { font-size: 19px; }
.sesmt__profiles article { padding: 14px 0; border-bottom: 1px dashed #ddd; }
.sesmt__profiles h4 { font-size: 16px; color: var(--green); margin-bottom: 4px; }
.sesmt__profiles article p { margin: 0; font-size: 14px; }
.note { font-size: 13px; font-style: italic; margin: 16px 0 0; }
.cta-box { margin-top: 50px; background: var(--green); color: #fff; padding: 36px 40px; display: flex; gap: 30px; align-items: center; justify-content: space-between; border-left: 6px solid var(--orange); }
.cta-box h3 { color: #fff; font-size: 22px; }
.cta-box p { margin: 0; }

/* Responsável técnico */
.rt { display: grid; grid-template-columns: 340px 1fr; gap: 50px; align-items: start; }
.rt__card { text-align: center; background: var(--gray-bg); padding: 0 0 30px; border-bottom: 4px solid var(--green); position: sticky; top: 90px; }
.rt__card figure { margin: 0 0 20px; position: relative; }
.rt__card img { width: 100%; aspect-ratio: 5 / 6; object-fit: cover; }
.rt__badge { position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%); background: var(--orange); color: #fff; font-weight: 700; font-size: 13px; padding: 6px 16px; white-space: nowrap; }
.rt__role { display: block; margin-top: 26px; font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--orange); font-weight: 700; }
.rt__card h3 { font-size: 26px; margin: 4px 0; }
.rt__card p { padding: 0 20px; }
.rt__bio h3 { font-size: 24px; }
.rt__bio h4 { font-size: 17px; margin-top: 26px; color: var(--green); }
.rt__bio strong { color: var(--heading); }
.iso-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.iso-list li { background: var(--gray-bg); border-left: 3px solid var(--green-light); padding: 10px 14px; font-size: 13px; }
.iso-list strong { display: block; font-family: var(--font-head); color: var(--green); font-size: 16px; }

/* Diferenciais */
.diffs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.diffs article { padding: 28px; border: 1px solid rgba(255,255,255,.12); border-top: 3px solid var(--green-light); transition: background .2s; }
.diffs article:hover { background: rgba(255,255,255,.05); border-top-color: var(--orange); }
.diffs h3 { color: #fff; font-size: 18px; }
.diffs p { margin: 0; font-size: 14px; }
.cta-inline { margin-top: 50px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.15); display: flex; gap: 30px; align-items: center; justify-content: space-between; }
.cta-inline h3 { color: #fff; font-size: 22px; }
.cta-inline p { margin: 0; }

/* FAQ */
.faq details { border: 1px solid #e3e3e3; margin-bottom: 12px; background: #fff; }
.faq summary { cursor: pointer; padding: 18px 50px 18px 22px; font-family: var(--font-head); font-weight: 700; color: var(--heading); list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); width: 26px; height: 26px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; font-size: 18px; line-height: 1; }
.faq details[open] summary { color: var(--green); border-bottom: 1px solid #eee; }
.faq details[open] summary::after { content: '−'; background: var(--orange); }
.faq details p { padding: 16px 22px 6px; }

/* Contato */
.contact { background: linear-gradient(135deg, var(--green-dark), var(--green)); color: #fff; padding: 80px 0; }
.contact__inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.contact__kicker { color: var(--green-light); font-weight: 700; text-transform: uppercase; letter-spacing: 2px; font-size: 13px; }
.contact h2 { color: #fff; font-size: 34px; margin-top: 10px; }
.contact em { font-style: normal; color: var(--orange); }
.contact__checks { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 20px; }
.contact__checks li::before { content: '✔ '; color: var(--green-light); }
.contact__actions { display: flex; flex-direction: column; gap: 14px; }
.contact__mail { color: #fff; text-align: center; word-break: break-all; }
.contact__mail:hover { color: var(--orange); }

/* Rodapé — tema claro, para combinar com o fundo branco da logomarca */
.footer { background: var(--gray-bg); color: var(--text); border-top: 5px solid var(--green); font-size: 14px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.3fr; gap: 30px; padding: 60px 15px 40px; }
.footer__logo { border-radius: 8px; margin-bottom: 16px; }
.footer h3 { color: var(--heading); font-size: 18px; padding-bottom: 10px; border-bottom: 2px solid var(--green); display: inline-block; }
.footer li { padding: 5px 0; }
.footer a { color: var(--text); word-break: break-word; }
.footer a:hover { color: var(--green); }
.footer__bottom { background: #e7e9e3; color: #5c5c5c; padding: 14px 0; font-size: 13px; text-align: center; border-top: 1px solid rgba(0,0,0,.06); }

/* WhatsApp flutuante */
.whats-float { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,.25); z-index: 200; transition: transform .2s; }
.whats-float:hover { transform: scale(1.08); }
.whats-float svg { width: 30px; height: 30px; fill: #fff; }

/* Animação de entrada */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s, transform .7s; }
.reveal.is-visible { opacity: 1; transform: none; }

/* Responsivo */
@media (max-width: 1100px) {
  .header-contacts .hc-item:nth-child(3) { display: none; }
  .menu a { padding: 0 8px; letter-spacing: 0; }
  .nav-cta { padding: 9px 12px; font-size: 11px; }
}
@media (max-width: 991px) {
  .top-bar { display: none; }
  .header-contacts { display: none; }
  .header-top__inner { min-height: 80px; }
  .logo img { width: 60px; height: 60px; }
  .logo__text strong { font-size: 22px; }
  .nav-toggle { display: block; }
  .main-nav { position: sticky; }
  .main-nav .container { flex-direction: column; align-items: stretch; padding: 0; }
  .main-nav nav, .nav-cta { display: none; }
  .main-nav.is-open nav, .main-nav.is-open .nav-cta { display: block; }
  .main-nav.is-open .nav-cta { margin: 12px 15px 16px; }
  .menu { flex-direction: column; }
  .menu a { line-height: 48px; padding: 0 20px; border-bottom: 1px solid rgba(255,255,255,.12); }
  .features__grid, .steps, .diffs { grid-template-columns: 1fr 1fr; }
  .mp-grid, .sesmt, .rt, .contact__inner { grid-template-columns: 1fr; }
  .rt__card { position: static; max-width: 380px; margin: 0 auto; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .mission-band__inner, .cta-box, .cta-inline { flex-direction: column; align-items: flex-start; }
  .hero { height: 500px; }
  .slide h1, .slide h2 { font-size: 34px; }
}
@media (max-width: 640px) {
  .features__grid, .steps, .diffs, .kpis, .footer__grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .slide h1, .slide h2 { font-size: 26px; }
  .slide p { font-size: 15px; }
  .section { padding: 60px 0; }
  .section-title h2, .contact h2 { font-size: 26px; }
  .logo__text small { display: none; }
  .mission-band { background-attachment: scroll; }
  .cta-box { padding: 28px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}