html, body {
  width: 100%;
  overflow-x: hidden;
  margin: 0;
  font-family: system-ui, sans-serif;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 16px;
}

/* TOP BAR */
.top-bar {
  background: #0f172a;
  color: #e5e7eb;
  font-size: 14px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
}

/* HEADER */
.header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo img {
  height: 42px;
}

/* HAMBURGER */
.hamburger {
  font-size: 32px;
  cursor: pointer;
  display: none;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: #0f172a;
}

.btn-outline {
  border: 1px solid #0f766e;
  padding: 6px 14px;
  border-radius: 6px;
  color: #0f766e;
}

/* DROPDOWN */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  background: #fff;
  border: 1px solid #e5e7eb;
  top: 100%;
  left: 0;
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

/* HERO */
.hero {
  padding: 50px 0;
  background: #ecfdf5;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* PRODUCTS */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-top: 4px solid #0f766e;
  padding: 20px;
  text-align: center;
}

.product-card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.about-image img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
}

/* FOOTER */
.footer {
  background: #0f172a;
  color: #fff;
  text-align: center;
  padding: 20px;
}

/* WHATSAPP */
.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #25d366;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 26px;
}

/* MOBILE */
@media (max-width: 768px) {

  .hamburger {
    display: block;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    display: none;
    padding: 20px;
  }

  .nav.active {
    display: flex;
  }

  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }
}