/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  background: #f4f6f5;
  color: #1f2a2a;
  line-height: 1.6;
}

/* HEADER */
.header {
  text-align: center;
  padding: 50px 20px;
  background: #2e6b5b;
  color: white;
}

.header h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.header p {
  font-size: 16px;
  opacity: 0.9;
}

/* NAVBAR */
.nav {
  display: flex;
  justify-content: center;
  gap: 25px;
  padding: 15px;
  background: #ffffff;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav a {
  text-decoration: none;
  color: #2e6b5b;
  font-weight: 600;
  transition: 0.3s;
}

.nav a:hover {
  color: #e9efed;
  background-color: #2e6b5b;
  padding: 2px 4px;
  border-radius: 5px;
}

/* SECTION */
.section {
  max-width: 1000px;
  margin: 40px auto;
  padding: 30px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* HEADINGS */
h2 {
  margin-bottom: 15px;
  color: #2e6b5b;
}

h3 {
  margin-top: 25px;
  margin-bottom: 10px;
  color: #1f2a2a;
}

/* HIGHLIGHT BOX */
.highlight {
  background: #e4f0eb;
  padding: 15px;
  border-left: 5px solid #2e6b5b;
  border-radius: 8px;
  margin: 15px 0 25px;
}

/* DATA CARDS (Expandable) */
.data-card {
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #dfe5e2;
  transition: 0.3s ease-in;
}

.data-card:hover {
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* CLICKABLE HEADER */
.data-header {
  padding: 15px;
  background: #e4f0eb;
  cursor: pointer;
  font-weight: 600;
  color: #2e6b5b;
  position: relative;
}

/* Arrow indicator */
.data-header::after {
  content: "+";
  position: absolute;
  right: 20px;
  font-size: 18px;
  transition: 0.3s;
}

/* OPEN STATE */
.data-card.active .data-header::after {
  content: "-";
}

/* BODY */
.data-body {
  padding: 15px;
  display: none;
  background: #f9fbfa;
  color: #333;
  transition: 0.3s ease;
}

/* SHOW WHEN ACTIVE */
.data-card.active .data-body {
  display: block;
  transition: 0.3s ease;
}

/* CARDS (Conclusion Section) */
.cards {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.card {
  flex: 1;
  background: #eef3f0;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
}

.card h3 {
  color: #2e6b5b;
  margin-bottom: 10px;
}

/* LISTS */
ul {
  padding-left: 20px;
  margin-top: 10px;
}
.section-header {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-bottom: 25px;
}

/* IMAGE */
.section-header img {
  width: 280px;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
}

/* TEXT */
.section-text h2 {
  color: #2e6b5b;
  margin-bottom: 8px;
}

.section-text p {
  color: #5f6f6a;
}
.image img{
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin-top: 20px;
}
.footer {
    background: #111;
    color: #fff;
    padding: 60px 0 0;
}

.footer-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 0 40px 40px;
    gap: 40px;
}

.footer-column {
    max-width: 300px;
}

.footer-column h3,
.footer-column h4 {
    margin-bottom: 15px;
    color: white;
}

.footer-column p {
    color: #bbb;
    line-height: 1.6;
    font-size: 14px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    text-decoration: none;
    color: #bbb;
    font-size: 14px;
    transition: 0.3s;
}

.footer-column ul li a:hover {
    color: #00c9a7;
}

.footer-social a {
    color: #bbb;
    margin-right: 15px;
    font-size: 20px;
    transition: 0.3s;
}

.footer-social a:hover {
    color: #00c9a7;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    background: #0a0a0a;
    font-size: 14px;
    color: #888;
}

/* MOBILE RESPONSIVE */
@media (max-width: 768px) {

  /* HEADER */
  .header {
    padding: 35px 15px;
  }

  .header h1 {
    font-size: 28px;
    line-height: 1.3;
  }

  .header p {
    font-size: 16px;
  }

  /* NAVBAR */
  .nav {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
  }

  .nav a {
    font-size: 15px;
  }
  .nav a:hover {
    padding: 2px 6px;
    color: #e9efed;
    background-color: #2e6b5b;
    border-radius: 5px;
  }

  /* SECTION */
  .section {
    margin: 20px 12px;
    padding: 20px 16px;
  }

  /* HEADINGS */
  h2 {
    font-size: 26px;
    line-height: 1.3;
  }

  h3 {
    font-size: 22px;
    line-height: 1.3;
  }

  /* PARAGRAPHS & LISTS */
  p,
  li,
  .data-body {
    font-size: 17px;
    line-height: 1.8;
  }

  /* EXPANDABLE CARD HEADERS */
  .data-header {
    font-size: 17px;
    padding: 16px;
    padding-right: 45px;
  }

  .data-header::after {
    font-size: 22px;
    right: 15px;
  }

  .data-body {
    padding: 16px;
  }

  /* CONCLUSION CARDS */
  .cards {
    flex-direction: column;
    gap: 15px;
  }

  .card {
    padding: 18px;
  }

  .card h3 {
    font-size: 20px;
  }

  /* SECTION IMAGE LAYOUT */
  .section-header {
    flex-direction: column;
    text-align: center;
    gap: 18px;
  }

  .section-header img {
    width: 100%;
    height: 220px;
    object-fit: cover;
  }

  .section-text p {
    font-size: 17px;
  }

  /* INTRO IMAGE */
  .image img {
    margin-top: 15px;
    border-radius: 10px;
  }

  /* FOOTER */
  .footer-container {
    flex-direction: column;
    padding: 0 20px 30px;
    gap: 30px;
    text-align: center;
  }

  .footer-column {
    max-width: 100%;
  }

  .footer-column h3,
  .footer-column h4 {
    font-size: 22px;
  }

  .footer-column p,
  .footer-column ul li a {
    font-size: 16px;
  }

  .footer-social a {
    font-size: 24px;
  }
  .footer-bottom{
    padding: 10px;
  }
}