:root {
  --green: #0e7f3f;
  --green-2: #12964b;
  --green-3: #06351f;
  --dark: #111615;
  --muted: #5d6763;
  --line: #e5ece8;
  --soft: #f4f8f5;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(7, 39, 24, .11);
  --radius: 22px;
  --radius-sm: 14px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark);
  background: #fff;
  line-height: 1.55;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--muted); }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.04em; }
h1 { font-size: clamp(2.45rem, 5vw, 5.2rem); max-width: 10ch; }
h2 { font-size: clamp(2rem, 3vw, 3.35rem); }
h3 { font-size: 1.13rem; letter-spacing: -.02em; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: var(--green);
  color: #fff;
  padding: .7rem 1rem;
  border-radius: 999px;
  z-index: 2000;
}
.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 236, 232, .85);
}

.header-grid {
  height: 86px;
  display: grid;
  grid-template-columns: 210px 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.brand img { width: 190px; height: auto; }
.main-nav {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  font-weight: 800;
  color: #1b2421;
}
.main-nav a { position: relative; padding: .55rem 0; }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  transform: scaleX(0);
  background: var(--green);
  border-radius: 999px;
  transition: .2s ease;
}
.main-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: .75rem; }
.phone-link {
  font-weight: 900;
  color: var(--green);
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 48px;
  padding: .85rem 1.2rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 25px rgba(14, 127, 63, .18); }
.btn-primary { background: linear-gradient(135deg, var(--green), var(--green-2)); color: #fff; }
.btn-secondary { background: var(--green-3); color: #fff; }
.btn-outline { background: rgba(255, 255, 255, .75); color: var(--green); border-color: rgba(14, 127, 63, .28); }
.btn-outline-dark { background: #fff; color: var(--green-3); border-color: rgba(6, 53, 31, .18); }
.btn-light { background: #fff; color: var(--green); }
.btn-full { width: 100%; }

.menu-toggle { display: none; }

.section { padding: 90px 0; }
.section-soft {
  padding: 64px 0 88px;
  background:
    radial-gradient(circle at 20% 15%, rgba(18, 150, 75, .10), transparent 30%),
    linear-gradient(180deg, #fff, #f7faf8);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 44px;
}
.hero-copy { padding: 30px 0; }
.eyebrow {
  margin: 0 0 .75rem;
  color: var(--green);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  font-weight: 950;
}
.eyebrow.light { color: rgba(255, 255, 255, .82); }
.hero-text {
  margin-top: 1.25rem;
  font-size: 1.15rem;
  max-width: 56ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 1.4rem; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.4rem;
}
.trust-row span {
  display: grid;
  gap: .1rem;
  min-width: 140px;
  padding: .8rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(17, 22, 21, .06);
}
.trust-row strong { font-size: .9rem; }
.trust-row small { color: var(--muted); font-weight: 700; }
.hero-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-height: 0;
  border-radius: 34px;
  box-shadow: var(--shadow);
  isolation: isolate;
  background: #f5f8f6;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.18), transparent 28%);
  z-index: 1;
  pointer-events: none;
}
.hero-card img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center center;
  transform: none;
}


.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}
.section-heading p:last-child { font-size: 1.05rem; margin-top: .9rem; }
.cards-grid { display: grid; gap: 18px; }
.services-grid { grid-template-columns: repeat(6, 1fr); }
.service-card, .why-card, .feedback-card, .quote-form, .material-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: 0 14px 35px rgba(17, 22, 21, .06);
}
.service-card {
  padding: 24px 18px;
  min-height: 215px;
  transition: transform .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-5px); border-color: rgba(14, 127, 63, .32); }
.icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(14, 127, 63, .09);
  color: var(--green);
  font-size: 1.8rem;
  font-weight: 900;
}
.service-card p, .why-card p { font-size: .94rem; margin-top: .75rem; margin-bottom: 0; }

.materials-section {
  background: linear-gradient(180deg, #f6faf7, #fff);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.materials-grid {
  display: grid;
  grid-template-columns: .75fr 1.35fr;
  gap: 34px;
  align-items: center;
}
.materials-copy p { margin-top: 1rem; }
.material-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.material-card { overflow: hidden; }
.material-card h3 { padding: 16px 16px 0; }
.material-card p { padding: 0 16px 18px; margin-top: .4rem; font-size: .9rem; }
.texture {
  display: block;
  height: 120px;
  background-size: cover;
  background-position: center;
}
.texture-brita { background: radial-gradient(circle at 30% 35%, #7c8583 0 8px, transparent 9px), radial-gradient(circle at 75% 55%, #9da5a2 0 9px, transparent 10px), radial-gradient(circle at 50% 80%, #565f5d 0 10px, transparent 11px), #c8cfcc; }
.texture-areia { background: linear-gradient(135deg, #d6b06c, #f2d69c 45%, #c99a4e); }
.texture-terra { background: linear-gradient(135deg, #8b3d1f, #bd6133 45%, #663018); }
.texture-rachao { background: radial-gradient(circle at 18% 30%, #6f7672 0 16px, transparent 17px), radial-gradient(circle at 52% 45%, #a6afaa 0 20px, transparent 21px), radial-gradient(circle at 82% 70%, #4d5451 0 18px, transparent 19px), #b7bfbb; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.about-image {
  overflow: hidden;
  border-radius: 28px;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
  min-height: 0;
  background: #f5f8f6;
}
.about-image img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center center;
}

.about-copy p { margin-top: 1.1rem; }
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 26px;
}
.feature-list span {
  padding: 14px;
  background: var(--soft);
  border-radius: 14px;
  color: var(--green-3);
  font-weight: 900;
  text-align: center;
}

.why-section { background: #fff; padding-top: 40px; }
.why-grid { grid-template-columns: repeat(4, 1fr); }
.why-card { padding: 26px; }
.why-card h3::before {
  content: "";
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(14, 127, 63, .11);
  margin-bottom: 18px;
}

.feedback-section { background: var(--soft); }
.feedback-grid {
  display: grid;
  grid-template-columns: 1fr .75fr;
  gap: 30px;
  align-items: center;
}
.feedback-card { padding: 34px; }
.feedback-card strong {
  display: inline-block;
  color: var(--green);
  font-size: 1.2rem;
  margin-bottom: .8rem;
}

.quote-section { padding-top: 0; }
.quote-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 0;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
  border: 1px solid var(--line);
}
.quote-panel {
  padding: 46px;
  color: #fff;
  background:
    radial-gradient(circle at 20% 15%, rgba(255,255,255,.22), transparent 28%),
    linear-gradient(135deg, var(--green-3), var(--green));
}
.quote-panel h2 { color: #fff; }
.quote-panel p { color: rgba(255,255,255,.83); margin-top: 1rem; }
.quote-address {
  display: inline-block;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.13);
  border: 1px solid rgba(255,255,255,.18);
  font-size: .92rem;
  font-weight: 900;
}
.footer-small { font-size: .9rem; color: rgba(255,255,255,.64) !important; }
.quote-form {
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 38px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
  font-weight: 900;
  color: #29322f;
}
input, select, textarea {
  width: 100%;
  border: 1px solid #dce6e1;
  border-radius: 12px;
  padding: 14px 14px;
  font: inherit;
  outline: none;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(14, 127, 63, .10);
}
textarea { resize: vertical; min-height: 128px; }
.form-note { font-size: .86rem; margin: 12px 0 0; }

.site-footer {
  background: #082617;
  color: rgba(255,255,255,.84);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 34px;
  padding: 46px 0;
}
.footer-logo {
  width: 185px;
  filter: drop-shadow(0 12px 20px rgba(0,0,0,.18));
  background: #fff;
  border-radius: 12px;
  padding: 6px;
}
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: .75rem; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.09);
  padding: 16px 0;
  font-size: .9rem;
  color: rgba(255,255,255,.65);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(25px);
  opacity: 0;
  pointer-events: none;
  padding: 14px 18px;
  background: var(--dark);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 20px 40px rgba(0,0,0,.22);
  z-index: 2000;
  transition: .25s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  height: 50px;
  padding-inline: 18px;
  border-radius: 999px;
  background: #16a34a;
  color: #fff;
  font-weight: 950;
  box-shadow: 0 16px 36px rgba(22, 163, 74, .38);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .header-grid { grid-template-columns: 190px auto 46px; }
  .menu-toggle {
    display: inline-grid;
    gap: 5px;
    justify-self: end;
    width: 46px;
    height: 46px;
    padding: 11px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 12px;
  }
  .menu-toggle span { display: block; height: 3px; background: var(--green-3); border-radius: 999px; }
  .main-nav, .header-actions {
    display: none;
  }
  .main-nav.open {
    display: grid;
    position: absolute;
    top: 86px;
    left: 20px;
    right: 20px;
    justify-content: stretch;
    gap: 0;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .main-nav.open a { padding: 16px 18px; border-bottom: 1px solid var(--line); }
  .main-nav.open a:last-child { border-bottom: 0; }
  .hero-grid, .about-grid, .feedback-grid, .quote-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .materials-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  h1 { max-width: 12ch; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, var(--container)); }
  .header-grid { height: 78px; grid-template-columns: 170px 1fr; }
  .brand img { width: 160px; }
  .main-nav.open { top: 78px; }
  .section, .section-soft { padding: 58px 0; }
  .hero-grid { gap: 26px; }
  .hero-card, .about-image { aspect-ratio: 16 / 9; }
  .services-grid, .materials-grid, .material-list, .why-grid, .footer-grid, .form-row, .feature-list { grid-template-columns: 1fr; }
  .quote-panel, .quote-form { padding: 28px; }
  .floating-whatsapp { right: 14px; bottom: 14px; min-width: 118px; height: 46px; font-size: .9rem; }
}