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

body {
  font-family: 'Poppins', sans-serif;
  background: #f4f6f8;
  color: #333;
}

/* HEADER */
.header {
  background: #1f7a5c;
  padding: 16px 0;
}

.nav {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #fff;
  font-size: 22px;
  font-weight: 600;
}

nav a {
  color: #fff;
  margin-left: 18px;
  text-decoration: none;
  font-size: 15px;
}

/* HERO */
.hero {
  background: linear-gradient(to right, #e6f2ef, #f4faf8);
  padding: 90px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  color: #1f7a5c;
  margin-bottom: 12px;
}

.hero p {
  font-size: 18px;
  margin-bottom: 25px;
}

/* BUTTON */
.primary-btn {
  background: #1f7a5c;
  color: #fff;
  border: none;
  padding: 14px 28px;
  font-size: 15px;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.3s;
}

.primary-btn:hover {
  background: #16664c;
}

/* SECTION */
.section {
  width: 90%;
  max-width: 1000px;
  margin: 70px auto;
}

.section-title {
  font-size: 26px;
  margin-bottom: 25px;
  color: #1f7a5c;
}

/* CARD + SLIDER */
.slider {
  position: relative;
  height: 260px;
}

.card {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.slide.active {
  opacity: 1;
}

.slide h3 {
  color: #1f7a5c;
  margin-bottom: 10px;
}

.slide p {
  margin-bottom: 18px;
  font-size: 15px;
}

/* FOOTER */
.footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 20px;
  margin-top: 60px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  nav {
    display: none;
  }
}