/* GENERAL RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: #333;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  font-weight: bold;
  font-size: 1.2rem;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}
.nav-links .btn {
  background: #2d6a4f;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

/* HERO */
.hero {
  background: url("https://picsum.photos/1200/600?mountain") center/cover no-repeat;
  height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  top:0; left:0; right:0; bottom:0;
  background: rgba(0,0,0,0.4);
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero .btn {
  background: #2d6a4f;
  padding: 0.75rem 1.5rem;
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
}

/* INTRO */
.intro {
  text-align: center;
  padding: 3rem 1rem;
}
.intro h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.intro-buttons {
  margin-top: 1rem;
}
.btn {
  background: #2d6a4f;
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  text-decoration: none;
}
.btn-outline {
  border: 2px solid #2d6a4f;
  color: #2d6a4f;
  padding: 0.65rem 1.2rem;
  margin-left: 0.5rem;
  border-radius: 4px;
  text-decoration: none;
}

/* ACTIVITIES */
.activities {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem;
}
.activity {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.activity.reverse {
  flex-direction: row-reverse;
}
.activity img {
  width: 100%;
  max-width: 500px;
  border-radius: 8px;
}
.activity-text {
  flex: 1;
}
.activity-text h3 {
  color: #2d6a4f;
  margin-bottom: 0.5rem;
}

/* FOOTER */
.footer {
  background: #f8f9fa;
  padding: 2rem 1rem;
  text-align: center;
}
.footer-content {
  margin-bottom: 1rem;
}
.socials a {
  margin: 0 0.5rem;
  text-decoration: none;
  font-size: 1.5rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .activity {
    flex-direction: column;
  }
  .activity.reverse {
    flex-direction: column;
  }
  .hero h1 {
    font-size: 2rem;
  }
}