body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  color: #222;
}

/* Header */
.site-header {
  background: #0b6b4f;
  color: #fff;
  padding: 10px 0;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  margin: auto;
}
.logo {
  height: 40px;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 20px;
}
.nav-list a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

/* Navigation toggle fix */
.main-nav { position: relative; }
.nav-toggle {
  display: none;
  font-size: 1.4rem;
  background: none;
  color: #fff;
  border: none;
  cursor: pointer;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-list {
    position: absolute;
    top: 60px;
    right: 0;
    background: #0b6b4f;
    flex-direction: column;
    width: 200px;
    border-radius: 8px 0 0 8px;
    padding: 10px 0;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.3s ease;
  }
  .nav-list li {
    margin: 10px 0;
    text-align: center;
  }
  .nav-list.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-toggle {
    display: block;
  }
}

/* Hero Slider */
.hero {
  position: relative;
  width: 100%;
  height: 80vh;
  overflow: hidden;
}
.hero .slide {
  position: absolute;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  display: none;
  transition: opacity 1s ease-in-out;
}
.hero .slide.active {
  display: flex !important;
  opacity: 1;
  align-items: center;
  justify-content: center;
  color: white;
  background-blend-mode: multiply;
  background-color: rgba(0,0,0,0.3);
}
.hero .slide h1, .hero .slide p {
  text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}
.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  background: rgba(0,0,0,0.4);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  z-index: 2;
}
.slider-nav.prev { left: 10px; }
.slider-nav.next { right: 10px; }

/* Principles */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.principle-card {
  background: #f7fff9;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Product Table */
.table-wrapper { overflow-x: auto; }
.product-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  overflow: hidden;
}
.product-table th {
  background: #0b6b4f;
  color: #fff;
  padding: 10px;
  text-align: left;
}
.product-table td {
  padding: 10px;
  border-bottom: 1px solid #eee;
}
.category-row {
  cursor: pointer;
  background: #e9f7ef;
  font-weight: bold;
}
.subcategory-row { display: none; }
.category-row:hover { background: #d4f5e4; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.btn {
  background: #0b6b4f;
  color: #fff;
  border: none;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 6px;
}

/* Footer */
.site-footer {
  background: #0b6b4f;
  color: white;
  text-align: center;
  padding: 15px 0;
}

/* WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10;
}
.whatsapp-float img {
  width: 55px;
  height: 55px;
}