:root {
  --forest: #173d2b;
  --forest-deep: #10291e;
  --pine: #24563c;
  --wood: #b9783f;
  --sand: #f3eee5;
  --paper: #fbfaf7;
  --ink: #1e2822;
  --muted: #647068;
  --line: #d9ded7;
  --white: #fff;
  --radius: 4px;
  --shadow: 0 14px 40px rgba(16, 41, 30, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.65 Arial, Helvetica, sans-serif; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 20; padding: 10px 16px; background: var(--white); color: var(--forest); }
.skip-link:focus { left: 12px; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(16,41,30,.97); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(8px); }
.header-row { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.logo { flex-shrink: 0; display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; letter-spacing: .04em; color: var(--white); }
.logo img { width: 142px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.main-nav a { white-space: nowrap; position: relative; text-decoration: none; color: rgba(255,255,255,.78); font-size: .94rem; padding: 28px 0 25px; transition: color .2s ease; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 17px; height: 2px; background: var(--wood); transform: scaleX(0); transform-origin: center; transition: transform .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible, .main-nav a[aria-current="page"] { color: var(--white); }
.main-nav a:hover::after, .main-nav a:focus-visible::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { margin-left: auto; flex-shrink: 0; display: flex; align-items: center; gap: 10px; }
.header-actions .button { white-space: nowrap; }
.menu-button { display: none; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid rgba(255,255,255,.55); background: transparent; color: var(--white); padding: 9px 11px; border-radius: var(--radius); font-size: 1.1rem; line-height: 1; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border: 1px solid transparent; border-radius: var(--radius); background: var(--forest); color: var(--white); text-decoration: none; font-weight: 700; cursor: pointer; }
.button:hover { background: var(--pine); }
.button.secondary { background: transparent; border-color: var(--forest); color: var(--forest); }
.button.secondary:hover { background: var(--sand); }
.button.small { min-height: 38px; padding: 0 13px; font-size: .9rem; }
.header-actions .button { background: var(--sand); color: var(--forest); }
.header-actions .button:hover { background: var(--white); color: var(--forest); }
.hero { position: relative; min-height: 600px; display: grid; align-items: end; overflow: hidden; background: var(--forest-deep); color: var(--white); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16,41,30,.92) 0%, rgba(16,41,30,.62) 46%, rgba(16,41,30,.12) 100%); }
.hero-content { position: relative; z-index: 1; padding: 100px 0 82px; max-width: 730px; }
.eyebrow { margin: 0 0 12px; color: var(--wood); font-size: .78rem; text-transform: uppercase; letter-spacing: .13em; font-weight: 700; }
h1, h2, h3 { margin: 0 0 18px; font-family: Georgia, 'Times New Roman', serif; line-height: 1.13; font-weight: 500; }
h1 { font-size: clamp(2.6rem, 6vw, 5rem); letter-spacing: -.035em; }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); color: var(--forest); }
h3 { font-size: 1.55rem; color: var(--forest); }
.hero h1 { max-width: 650px; }
.hero p { max-width: 650px; font-size: 1.12rem; color: rgba(255,255,255,.88); }
.hero-actions, .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero .button.secondary { border-color: rgba(255,255,255,.75); color: var(--white); }
.hero .button.secondary:hover { background: rgba(255,255,255,.12); }
.section { padding: 90px 0; }
.section.sand { background: var(--sand); }
.section.green { background: var(--forest); color: var(--white); }
.section.green h2, .section.green h3 { color: var(--white); }
.section.green .button.secondary { border-color: rgba(255,255,255,.82); color: var(--white); }
.section.green .button.secondary:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.section-heading { max-width: 680px; margin-bottom: 38px; }
.section-heading p { color: var(--muted); margin: 0; }
.muted { color: var(--muted); }
.green .section-heading p { color: rgba(255,255,255,.76); }
.intro-grid, .split, .contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.image-frame { overflow: hidden; background: var(--sand); }
.image-frame img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.kicker-line { display: inline-block; padding-left: 16px; border-left: 3px solid var(--wood); color: var(--forest); font-weight: 700; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--white); border: 1px solid var(--line); padding: 24px; border-radius: var(--radius); }
.card h3 { margin-bottom: 9px; font-size: 1.28rem; }
.card p { color: var(--muted); margin: 0 0 18px; }
.card .card-link { color: var(--forest); text-decoration: none; font-weight: 700; }
.card .card-link:hover { color: var(--wood); }
.product-card { padding: 0; overflow: hidden; }
.product-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.product-card-content { padding: 22px; }
.product-card h3 { margin-bottom: 8px; }
.products-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: end; margin-bottom: 48px; }
.products-intro h2 { margin-bottom: 0; }
.products-intro p { color: var(--muted); max-width: 430px; margin: 0; }
.application-nav { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.application-nav a { padding: 8px 12px; border: 1px solid var(--line); color: var(--forest); background: var(--white); border-radius: 999px; font-size: .85rem; }
.application-nav a:hover { border-color: var(--wood); color: var(--wood); }
.material-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.material-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.material-card-media { position: relative; }
.material-card-media img { width: 100%; aspect-ratio: 16/8; object-fit: cover; }
.material-card-label { position: absolute; left: 15px; bottom: 12px; padding: 5px 9px; background: rgba(16,41,30,.9); color: var(--white); font-size: .73rem; text-transform: uppercase; letter-spacing: .1em; }
.material-card-body { padding: 25px; }
.material-card h2 { font-size: 2rem; margin-bottom: 10px; }
.material-card-body>p { color: var(--muted); margin-bottom: 18px; }
.species { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0 21px; }
.species span { padding: 5px 9px; background: var(--sand); color: var(--forest); border-radius: 999px; font-size: .78rem; }
.material-applications { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; padding-top: 17px; border-top: 1px solid var(--line); }
.material-applications strong { grid-column: 1/-1; color: var(--forest); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.material-applications span { color: var(--muted); font-size: .88rem; }
.material-applications span::before { content: '↗'; color: var(--wood); margin-right: 6px; }
.application-panel { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.application-panel a { min-height: 145px; padding: 20px; background: var(--white); }
.application-panel a:hover { background: var(--sand); }
.application-panel small { display: block; color: var(--wood); font-weight: 700; letter-spacing: .1em; }
.application-panel strong { display: block; color: var(--forest); font: 1.25rem/1.1 Georgia,serif; margin-top: 30px; }
.faq-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.faq-page { max-width: 940px; }
.faq-category { scroll-margin-top: 100px; margin-bottom: 76px; }
.faq-category h2 { margin-bottom: 26px; }
.faq-index { margin-top: 28px; }
.faq-index a { text-decoration: none; }
.faq-note { margin-top: 12px; padding: 22px 24px; border-left: 3px solid var(--wood); background: var(--sand); color: var(--muted); }
.faq-note strong { color: var(--forest); }
.faq-layout h2 { margin-bottom: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; cursor: pointer; list-style: none; padding: 20px 38px 20px 0; color: var(--forest); font: 1.2rem/1.25 Georgia,serif; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 5px; color: var(--wood); font: 1.5rem Arial,sans-serif; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin: 0; padding: 0 38px 20px 0; color: var(--muted); font-size: .95rem; }
.check-list { padding: 0; margin: 20px 0 0; list-style: none; }
.check-list li { position: relative; padding: 6px 0 6px 22px; }
.check-list li::before { content: ""; position: absolute; left: 0; top: 14px; width: 8px; height: 8px; background: var(--wood); border-radius: 50%; }
.note { padding: 18px 20px; border-left: 3px solid var(--wood); background: rgba(185,120,63,.09); color: var(--muted); }
.green .note { background: rgba(255,255,255,.1); color: rgba(255,255,255,.82); }
.page-hero { padding: 82px 0 74px; background: var(--sand); border-bottom: 1px solid var(--line); }
.page-hero .container { max-width: 900px; margin-left: max(20px, calc((100% - 1160px)/2)); }
.page-hero p { max-width: 700px; color: var(--muted); font-size: 1.1rem; }
.prose { max-width: 780px; }
.prose h2 { margin-top: 46px; }
.prose p { color: var(--muted); }
.prose a { color: var(--forest); font-weight: 700; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); }
table { width: 100%; min-width: 520px; border-collapse: collapse; background: var(--white); }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--forest); background: var(--sand); }
form { display: grid; gap: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 6px; color: var(--forest); font-weight: 700; font-size: .93rem; }
input, textarea, select { width: 100%; border: 1px solid #bdc8bf; border-radius: var(--radius); padding: 12px 13px; color: var(--ink); background: var(--white); font: inherit; }
textarea { min-height: 140px; resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus, a:focus { outline: 3px solid rgba(185,120,63,.5); outline-offset: 2px; }
.contact-list { display: grid; gap: 15px; margin: 24px 0 0; }
.contact-list a { color: var(--forest); font-weight: 700; }
.site-footer { padding: 52px 0 24px; color: rgba(255,255,255,.78); background: var(--forest-deep); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 34px; }
.site-footer h3 { color: var(--white); font-size: 1.1rem; }
.site-footer p { margin: 0; }
.site-footer a { display: block; margin: 7px 0; text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid rgba(255,255,255,.18); margin-top: 42px; padding-top: 18px; font-size: .88rem; }
.mobile-only { display: none; }
@media (max-width: 700px) {
  .header-row { min-height: 68px; gap: 12px; }
  .logo { min-width: 0; }
  .logo img { width: 118px; }
  .header-actions { flex-shrink: 0; gap: 8px; }
  .header-actions .button { min-height: 40px; padding: 0 12px; font-size: .84rem; }
  .menu-button { width: 40px; height: 40px; padding: 0; display: grid; place-items: center; line-height: 1; }
  .hero { min-height: 540px; }
  .hero-media { transform: scale(1.4); object-position: center center; }
  .hero-content { padding: 72px 0 54px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
}
@media (max-width: 1100px) {
  .main-nav { display: none; position: absolute; left: 20px; right: 20px; top: 70px; padding: 14px; background: var(--forest-deep); border: 1px solid rgba(255,255,255,.18); box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 11px 8px; border-bottom: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.9); }
  .main-nav a::after { left: 8px; right: auto; bottom: 0; width: 34px; }
  .main-nav a:last-child { border-bottom: 0; }
  .menu-button { display: inline-flex; }
  .header-actions .header-whatsapp { display: none; }
  .header-actions > .button[href*="wa.me"] { display: none; }
  .intro-grid, .split, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .cards, .cards.three { grid-template-columns: repeat(2, 1fr); }
  .products-intro { grid-template-columns: 1fr; gap: 18px; }
  .application-panel { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1160px); }
  .header-row { min-height: 68px; gap: 10px; }
  .logo img { width: 118px; }
  .header-actions { margin-left: auto; }
  .header-actions .button { min-height: 38px; padding: 0 11px; font-size: .85rem; }
  .actions .button, .hero-actions .button, form .button { width: 100%; }
  .application-nav a { min-width: 0; max-width: 100%; flex: 0 1 auto; overflow-wrap: anywhere; white-space: normal; }
  .hero { min-height: 470px; }
  .hero::after { background: linear-gradient(90deg, rgba(16,41,30,.78) 0%, rgba(16,41,30,.54) 54%, rgba(16,41,30,.18) 100%); }
  .hero-content { padding: 76px 0 58px; }
  .hero p { font-size: 1rem; }
  .section { padding: 62px 0; }
  .page-hero { padding: 58px 0 52px; }
  .page-hero .container { margin-left: 14px; width: calc(100% - 28px); }
  .cards, .cards.three, .form-grid { grid-template-columns: 1fr; }
  .material-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { display: block; }
  .footer-bottom p + p { margin-top: 8px; }
}
@media (min-width: 376px) and (max-width: 560px) {
  .application-panel { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 375px) {
  .logo img { width: 100px; }
  .header-row { gap: 6px; }
  .header-actions > .button[href*="wa.me"] { display: none; }
  h1 { font-size: 2.15rem; letter-spacing: -.02em; }
  h2 { font-size: 1.85rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media { display: none; }
  .hero { background-image: url("materiais/WhatsApp%20Image%202026-09-22%20at%2013.41.51.jpeg"); background-position: center; background-size: cover; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
