:root {
    --green-light: #daf4d4;
    --green-medium: #4caf50;
    --green-dark: #2e7d32;
    --accent: #ffca28;
    --text-dark: #1b1b1b;
    --text-light: #ffffff;
    --border-radius: 12px;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  * {
    box-sizing: border-box;
  }
  body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #e0f2f1 0%, #a5d6a7 100%);
    color: var(--text-dark);
    margin: 0;
    padding: 0 1rem 3rem;
    line-height: 1.6;
    overflow-x: hidden;
  }
  header {
    position: relative;
    background: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?auto=format&fit=crop&w=1500&q=80') center/cover no-repeat;
    color: var(--text-light);
    padding: 4rem 1rem 6rem;
    text-align: center;
    overflow: hidden;
  }
  /* overlay */
  header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(46,125,50,0.75);
    z-index: 0;
  }
  header h1, header p {
    position: relative;
    z-index: 1;
    margin: 0;
  }
  header h1 {
    font-size: 2.8rem;
    letter-spacing: 1.2px;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 0 1px 6px rgba(0,0,0,0.4);
  }
  header p {
    font-size: 1.4rem;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
  }
  main {
    max-width: 960px;
    margin: -4rem auto 0;
    padding: 0 1rem;
  }
  section {
    background: var(--green-light);
    border-radius: var(--border-radius);
    padding: 2rem 2.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    display: flex;
    gap: 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  }
  section.visible {
    opacity: 1;
    transform: translateY(0);
  }
  section:nth-child(even) {
    flex-direction: row-reverse;
  }
  section img {
    width: 40%;
    border-radius: var(--border-radius);
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    flex-shrink: 0;
  }
  section div.content {
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  section h2 {
    color: var(--green-dark);
    font-size: 2rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
  }
  section h2 span.icon {
    font-size: 2.6rem;
    margin-right: 0.65rem;
  }
  section p, section ul {
    font-size: 1.1rem;
    line-height: 1.5;
  }
  ul {
    list-style: none;
    padding-left: 0;
  }
  ul li {
    background-color: var(--text-light);
    margin: 0.6rem 0;
    padding: 0.85rem 1.25rem;
    border-radius: 10px;
    box-shadow: 0 3px 7px rgba(0,0,0,0.12);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: default;
    transition: background-color 0.3s ease, transform 0.3s ease;
  }
  ul li span.emoji {
    font-size: 1.8rem;
    user-select: none;
  }
  ul li:hover {
    background-color: var(--accent);
    color: var(--green-dark);
    font-weight: 700;
    transform: scale(1.05);
  }
  footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--green-dark);
    color: var(--green-dark);
    font-weight: 600;
    font-size: 1rem;
    user-select: none;
  }
  footer a {
    color: var(--green-dark);
    text-decoration: underline;
  }
  /* Responsive */
  @media (max-width: 800px) {
    section {
      flex-direction: column !important;
      padding: 1.5rem 1.5rem;
    }
    section img {
      width: 100%;
      height: 220px;
      margin-bottom: 1rem;
    }
  }
  @media (max-width: 480px) {
    header h1 {
      font-size: 2rem;
    }
    header p {
      font-size: 1rem;
    }
    section h2 {
      font-size: 1.5rem;
    }
    ul li {
      font-size: 1rem;
      gap: 0.6rem;
    }
  }