:root {
  --green-950: #062c23;
  --green-900: #0b4132;
  --green-800: #0b5941;
  --green-700: #16734f;
  --green-600: #2e986a;
  --green-500: #3aa070;
  --gold-500: #e5b82d;
  --gold-400: #f1c84a;
  --ink: #10241d;
  --text: #33473f;
  --muted: #65776f;
  --line: #dfe9e4;
  --soft: #f4f8f6;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(10, 63, 48, .10);
  --radius: 18px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: var(--white); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 10px; top: -60px; background: #fff; padding: 10px 14px; z-index: 999; border-radius: 8px; }
.skip-link:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid transparent; backdrop-filter: blur(12px); transition: .25s ease; }
.site-header.scrolled { border-color: rgba(13, 88, 65, .12); box-shadow: 0 8px 24px rgba(10, 63, 48, .08); }
.header-inner { min-height: 86px; display: flex; align-items: center; gap: 28px; }
.brand { width: 220px; flex: 0 0 auto; }
.brand img { width: 100%; max-height: 66px; object-fit: contain; object-position: left center; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 34px; margin-left: auto; }
.main-nav a { font-weight: 700; font-size: .94rem; color: #183c30; position: relative; padding: 32px 0 28px; }
.main-nav a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 19px; height: 3px; background: var(--gold-500); transition: .2s ease; }
.main-nav a:hover::after, .main-nav a.active::after { right: 0; }
.header-cta { margin-left: 8px; }
.menu-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 8px; margin-left: auto; }
.menu-toggle span { display: block; height: 2px; background: var(--green-900); margin: 6px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 14px 20px; border-radius: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; font-size: .82rem; border: 1px solid transparent; transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green-700); color: #fff; }
.btn-primary:hover { background: var(--green-800); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.75); background: rgba(0,0,0,.08); }
.btn-outline-light:hover { background: rgba(255,255,255,.12); }
.btn-light { background: #fff; color: var(--green-900); border-color: rgba(255,255,255,.4); min-width: 230px; }
.hero { position: relative; min-height: 590px; display: grid; align-items: stretch; overflow: hidden; background: #1d2b27; }
.hero-bg { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(2,29,22,.94) 0%, rgba(2,29,22,.76) 36%, rgba(2,29,22,.20) 68%, rgba(2,29,22,.10) 100%), linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.26)), url('../img/banner-mineracao.jpg'); background-size: cover; background-position: center; filter: saturate(.95) contrast(1.02); }
.hero-inner { position: relative; z-index: 1; min-height: 590px; display: grid; grid-template-columns: minmax(0, 690px) 1fr; align-items: center; gap: 44px; padding-block: 70px; }
.hero-copy { color: #fff; }
.eyebrow { margin: 0 0 10px; color: var(--gold-400); font-size: .79rem; font-weight: 900; letter-spacing: .10em; text-transform: uppercase; }
.eyebrow.dark { color: var(--green-700); }
.eyebrow.light { color: var(--gold-400); }
h1, h2, h3 { margin-top: 0; color: var(--ink); line-height: 1.08; letter-spacing: -.025em; }
.hero h1 { max-width: 720px; color: #fff; font-size: clamp(2.5rem, 5vw, 4.9rem); margin-bottom: 20px; }
.hero h1 span { color: var(--gold-400); }
.hero-text { max-width: 660px; color: rgba(255,255,255,.92); font-size: clamp(1rem, 2vw, 1.16rem); margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-badge { align-self: end; justify-self: end; display: flex; gap: 12px; align-items: center; color: #fff; max-width: 280px; padding: 18px 0; }
.hero-badge .brazil-map { width: 64px; height: 64px; object-fit: contain; flex: 0 0 auto; display: block; }
.hero-badge p { margin: 0; font-size: .93rem; }
.section { padding: 92px 0; }
.section-heading { max-width: 720px; text-align: center; margin: 0 auto 42px; }
.section-heading.align-left { text-align: left; margin-left: 0; }
.section-heading h2, .about h2, .contact-section h2 { font-size: clamp(2rem, 3vw, 3.15rem); margin-bottom: 12px; color: var(--green-950); }
.section-heading p { margin: 0; color: var(--muted); }
.services { background: linear-gradient(180deg, #fff 0%, var(--soft) 100%); }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.service-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px 24px; box-shadow: 0 10px 30px rgba(11,74,55,.05); display: flex; flex-direction: column; min-height: 100%; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(46,152,106,.26); }
.service-icon { width: 66px; height: 66px; border-radius: 16px; background: linear-gradient(135deg, rgba(229,184,45,.12), rgba(46,152,106,.11)); display: grid; place-items: center; margin-bottom: 18px; }
.service-icon svg { width: 46px; height: 46px; fill: none; stroke: var(--green-700); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { color: var(--green-900); font-size: 1.2rem; min-height: 2.5em; }
.service-card ul { margin: 0 0 22px; padding-left: 20px; color: #40564d; font-size: .92rem; }
.service-card li + li { margin-top: 6px; }
.text-link { margin-top: auto; color: var(--green-700); font-weight: 900; text-transform: uppercase; font-size: .82rem; letter-spacing: .03em; }
.about { background: #fff; }
.about-grid { display: grid; grid-template-columns: 1.25fr .72fr .85fr; gap: 34px; align-items: stretch; }
.about-copy p { font-size: 1.01rem; }
.about-copy .btn { margin-top: 12px; }
.about-visual { min-height: 420px; border-radius: var(--radius); overflow: hidden; position: relative; background: linear-gradient(145deg, rgba(6,44,35,.08), rgba(229,184,45,.18)), url('../img/banner-mineracao.jpg') center/cover; }
.about-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(5,45,34,.84) 100%); }
.geo-card { position: absolute; left: 22px; right: 22px; bottom: 22px; z-index: 1; padding: 22px; border-radius: 14px; background: rgba(255,255,255,.93); box-shadow: var(--shadow); }
.geo-card p { margin: 0; color: var(--green-900); }
.geo-mark { width: 54px; height: 4px; background: var(--gold-500); margin-bottom: 16px; }
.about-values { display: grid; gap: 16px; }
.mini-panel { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: grid; grid-template-columns: 46px 1fr; gap: 14px; }
.mini-icon { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--green-800); color: #fff; font-size: 1.5rem; }
.mini-panel h3 { color: var(--green-900); margin-bottom: 8px; font-size: 1.08rem; }
.mini-panel p { margin: 0; font-size: .91rem; color: var(--muted); }
.values-list ul { list-style: none; margin: 0; padding: 0; }
.values-list li { position: relative; padding-left: 18px; font-size: .9rem; }
.values-list li + li { margin-top: 8px; }
.values-list li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--green-600); position: absolute; left: 0; top: .55em; }
.process { padding: 82px 0 76px; color: #fff; background: radial-gradient(circle at 85% 15%, rgba(229,184,45,.18), transparent 28%), linear-gradient(135deg, #063329, #0b5a43 66%, #082f28); overflow: hidden; }
.process-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 50px; }
.process h2 { color: #fff; font-size: clamp(2rem,3vw,3.1rem); margin-bottom: 10px; }
.process-head p { max-width: 720px; margin: 0; color: rgba(255,255,255,.76); }
.process-callout { min-width: 250px; padding: 22px 26px; border-left: 3px solid var(--gold-500); text-transform: uppercase; font-weight: 900; line-height: 1.25; letter-spacing: .04em; }
.process-track { display: grid; grid-template-columns: repeat(5,1fr); gap: 18px; position: relative; }
.process-track::before { content: ''; position: absolute; left: 8%; right: 8%; top: 32px; height: 1px; background: linear-gradient(90deg, rgba(229,184,45,.2), var(--gold-500), rgba(229,184,45,.2)); }
.process-step { text-align: center; position: relative; z-index: 1; }
.process-number { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center; background: var(--green-700); border: 1px solid rgba(255,255,255,.25); color: #fff; font-weight: 900; box-shadow: 0 0 0 8px rgba(11,115,79,.18); }
.process-step h3 { color: #fff; font-size: 1.06rem; margin-bottom: 8px; }
.process-step p { margin: 0; color: rgba(255,255,255,.74); font-size: .86rem; }
.clients { padding-bottom: 72px; }
.client-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; align-items: center; }
.client-logo { min-height: 140px; border: 1px solid var(--line); border-radius: 16px; display: grid; place-items: center; padding: 22px; background: #fff; }
.client-logo img { max-height: 85px; max-width: 90%; object-fit: contain; filter: grayscale(1); opacity: .82; transition: .25s ease; }
.client-logo:hover img { filter: grayscale(0); opacity: 1; }
.cta-strip { padding: 38px 0; background: linear-gradient(100deg, #126948, #2b7652 55%, #8a762a); color: #fff; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.cta-copy { display: flex; gap: 18px; align-items: center; }
.cta-symbol { font-size: 2.2rem; color: var(--gold-400); }
.cta-copy h2 { color: #fff; margin: 0 0 5px; font-size: clamp(1.55rem, 2.4vw, 2.25rem); }
.cta-copy p { margin: 0; color: rgba(255,255,255,.84); }
.contact-section { padding: 90px 0; background: var(--soft); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; }
.contact-list { display: grid; gap: 16px; margin-top: 30px; }
.contact-list a, .contact-list > div { display: grid; gap: 3px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.contact-list strong { color: var(--green-900); }
.contact-list span { color: var(--muted); }
.contact-form { background: #fff; padding: 30px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); }
.field-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.contact-form label { display: grid; gap: 8px; font-size: .9rem; font-weight: 800; color: var(--green-900); margin-bottom: 16px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid #cfddd6; border-radius: 10px; padding: 13px 14px; color: var(--ink); background: #fff; outline: none; transition: .2s ease; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--green-600); box-shadow: 0 0 0 4px rgba(46,152,106,.11); }
.contact-form textarea { resize: vertical; }
.honeypot { position: absolute !important; left: -9999px !important; opacity: 0 !important; }
.form-note { margin: 12px 0 0; font-size: .78rem; color: var(--muted); }
.site-footer { background: #052f27; color: rgba(255,255,255,.80); padding: 54px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1.2fr .8fr .8fr; gap: 30px; align-items: start; }
.footer-logo-wrap { width: 230px; background: #fff; border-radius: 10px; padding: 8px 12px; margin-bottom: 12px; }
.footer-logo-wrap img { width: 100%; }
.footer-brand p { margin: 0; text-transform: uppercase; font-size: .76rem; letter-spacing: .06em; color: rgba(255,255,255,.6); }
.footer-contact { display: grid; gap: 8px; font-size: .88rem; }
.footer-social { display: grid; gap: 8px; }
.footer-social strong { color: #fff; }
.footer-motto { text-transform: uppercase; font-weight: 900; line-height: 1.25; color: #fff; border-left: 3px solid var(--gold-500); padding-left: 18px; }
.footer-bottom { margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.13); display: flex; justify-content: space-between; gap: 20px; font-size: .78rem; color: rgba(255,255,255,.58); }
.footer-bottom div { display: flex; gap: 18px; }
.floating-whatsapp { position: fixed; right: 22px; bottom: 22px; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%; background: #25D366; color: #fff; font-weight: 900; box-shadow: 0 10px 30px rgba(0,0,0,.22); z-index: 40; border: 3px solid #fff; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in-view { opacity: 1; transform: none; }
.legal-page { background: var(--soft); }
.legal-content { max-width: 820px; padding: 70px 0; }
.legal-content h1 { font-size: 2.4rem; color: var(--green-900); margin-top: 24px; }
.legal-content a { color: var(--green-700); font-weight: 800; }
@media (max-width: 1040px) {
  .header-cta { display: none; }
  .service-grid { grid-template-columns: repeat(2,1fr); }
  .about-grid { grid-template-columns: 1fr 1fr; }
  .about-values { grid-column: 1 / -1; grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 820px) {
  .header-inner { min-height: 76px; }
  .brand { width: 185px; }
  .menu-toggle { display: block; }
  .main-nav { position: absolute; display: none; top: 76px; left: 20px; right: 20px; margin: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px; border-radius: 14px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 14px; }
  .main-nav a::after { display: none; }
  .hero { min-height: 610px; }
  .hero-bg { background-image: linear-gradient(90deg, rgba(2,29,22,.92), rgba(2,29,22,.66)), url('../img/banner-mineracao.jpg'); background-position: 60% center; }
  .hero-inner { min-height: 610px; grid-template-columns: 1fr; align-content: center; padding-block: 58px; }
  .hero-badge { justify-self: start; align-self: start; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-values { grid-column: auto; grid-template-columns: 1fr; }
  .about-visual { min-height: 340px; }
  .process-head { align-items: start; flex-direction: column; }
  .process-callout { min-width: 0; }
  .process-track { grid-template-columns: 1fr; gap: 28px; }
  .process-track::before { left: 31px; right: auto; top: 20px; bottom: 20px; width: 1px; height: auto; }
  .process-step { display: grid; grid-template-columns: 64px 1fr; column-gap: 20px; text-align: left; }
  .process-number { grid-row: 1 / span 2; margin: 0; }
  .client-grid { grid-template-columns: repeat(2,1fr); }
  .cta-inner { align-items: stretch; flex-direction: column; }
  .btn-light { align-self: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 600px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section { padding: 70px 0; }
  .hero h1 { font-size: clamp(2.35rem, 12vw, 3.65rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .service-grid, .client-grid { grid-template-columns: 1fr; }
  .service-card h3 { min-height: 0; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 22px 18px; }
  .cta-copy { align-items: flex-start; }
  .floating-whatsapp { right: 14px; bottom: 14px; width: 52px; height: 52px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}