* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f4f7f3;
  color: #1f3d2b;
}

/* HEADER */
header {
  background: #1f3d2b;
  padding: 10px 20px;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* LOGO */
.logo img {
  height: 60px;
}

/* NAV */

/* STICKY HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #1f3d2b;
  transition: box-shadow 0.3s ease;
}

/* Shadow when scrolling */
header.scrolled {
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

nav ul {
  list-style: none;
  display: flex;
}

nav ul li {
  position: relative;
}

nav ul li a {
  color: white;
  text-decoration: none;
  padding: 12px 15px;
  display: block;
}

nav ul li a:hover {
  background: #2f5d3a;
}

DROPDOWN
/* DROPDOWN BASE */
nav ul li ul {
  position: absolute;
  top: 50px;
  left: 0;
  background: #2f5d3a;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

/* SHOW WITH ANIMATION */
nav ul li:hover ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* DROPDOWN ITEMS */
nav ul li ul li a {
  padding: 10px;
}


/* HERO */
.hero {
  background: linear-gradient(rgba(31,61,43,0.8), rgba(31,61,43,0.8)),
              url('https://images.unsplash.com/photo-1507089947368-19c1da9775ae');
  background-size: cover;
  color: white;
  padding: 100px 20px;
  text-align: center;
}

/* SECTIONS */
.section {
  padding: 60px 20px;
  text-align: center;
}

footer {
  background: #1f3d2b;
  color: white;
  text-align: center;
  padding: 20px;
}

/* MOBILE */
.menu-toggle {
  display: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
}

@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #1f3d2b;
  }

  nav ul.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  nav ul li ul {
    position: static;
  }
}


/* WHATSAPP FLOAT BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  border-radius: 50%;
  padding: 12px;
  z-index: 1000;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}

.whatsapp-float img {
  width: 30px;
  height: 30px;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.tooltip {
  position: absolute;
  right: 60px;
  background: #1f3d2b;
  color: white;
  padding: 6px 10px;
  border-radius: 5px;
  opacity: 0;
  transition: 0.3s;
  white-space: nowrap;
}

.whatsapp-float:hover .tooltip {
  opacity: 1;
}

.contact-form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border: 1px solid #d9e2dc;
  border-radius: 5px;
  font-size: 1rem;
}

.contact-form button {
  background: #2f5d3a;
  color: white;
  padding: 12px;
  border: none;
  cursor: pointer;
  transition: 0.3s;
}

.contact-form button:hover {
  background: #4c8c4a;
}