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

body {
  font-family: 'Poppins', sans-serif;
  background: #f7f9fb;
  color: #222;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

section {
  padding: 90px 0;
}

.light-bg {
  background: #ffffff;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  background: #ffffff;
  border-bottom: 1px solid #e6e6e6;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 8%;
  z-index: 1000;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: #0a3d2f;
}

.header a {
  color: #222;
  text-decoration: none;
  margin-left: 30px;
  font-weight: 500;
}

/* HERO */
.hero {
  height: 90vh;
  position: relative;
}

.slider img {
  width: 100%;
  height: 90vh;
  object-fit: cover;
  position: absolute;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.hero-overlay h1 {
  font-size: 48px;
  max-width: 900px;
}

.hero-overlay p {
  font-size: 20px;
  margin: 20px 0 35px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

.btn {
  padding: 14px 34px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
}

.btn.primary {
  background: #0a3d2f;
  color: white;
}

.btn.secondary {
  background: white;
  color: #000;
}

/* HEADINGS */
h2 {
  font-size: 36px;
  margin-bottom: 25px;
}

/* SERVICES */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.card {
  background: #f7f9fb;
  padding: 40px;
  border-radius: 18px;
  text-align: center;
  font-weight: 500;
  transition: 0.3s;
}

.card:hover {
  background: #0a3d2f;
  color: white;
  transform: translateY(-10px);
}

/* STATS */
.stats {
  background: linear-gradient(135deg, #0a3d2f, #0f5c46);
  color: white;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  text-align: center;
  padding: 70px 10%;
}

.stats span {
  font-size: 42px;
  font-weight: 700;
  color: #f9b000;
}

/* GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.gallery img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: 18px;
}

/* FOOTER */
footer {
  background: #0a3d2f;
  color: white;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

footer h3 {
  margin-bottom: 10px;
}

footer p {
  line-height: 1.7;
}

copyright {
  text-align: center;
}

/* WHATSAPP */
.whatsapp {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25D366;
  color: white;
  font-size: 28px;
  padding: 16px 18px;
  border-radius: 50%;
  text-decoration: none;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-overlay h1 {
    font-size: 30px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .header {
    flex-direction: column;
  }

  .header a {
    margin: 10px 0;
  }
}