* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Montserrat', sans-serif; color: #333; line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.site-header { border-bottom: 1px solid #eaeaea; padding: 20px 0; background:#fff;}
.header-container { display: flex; justify-content: space-between; align-items: center; }
.main-menu ul { list-style: none; display: flex; gap: 20px; }
.main-menu a { text-decoration: none; color: #000; font-weight: 600; font-size: 14px; text-transform: uppercase; }
.content-section { margin-top: 40px; margin-bottom:40px; }
.category-tag { font-size: 14px; font-weight: bold; margin-bottom: 10px; display: block; }
.category-tag a { color: #5bc0be; text-decoration: none; }
.main-title { color: #5bc0be; font-size: 32px; margin-bottom: 20px; }
.section-title { color: #5bc0be; font-size: 28px; margin-bottom: 20px; }
.category-title { color: #5bc0be; font-size: 20px; text-transform:uppercase; margin-bottom: 20px; }
.sub-title { font-size: 18px; margin-bottom: 10px; font-weight:bold; }
.text-block p { color: #555; font-size: 15px;}
.btn-primary { display: inline-block; background-color: #5bc0be; color: #fff; padding: 12px 24px; font-size: 22px; text-decoration: none; margin: 15px 0; border: 2px solid #5bc0be; transition: background 0.3s;}
.btn-primary:hover { background-color: transparent; color: #5bc0be; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 20px; }
.feature-card { background-color: #63c0a5; color: white; padding: 40px 20px; text-align: center; font-weight: bold; font-size: 14px; display: flex; align-items: center; justify-content: center;}
.search-input { width: 100%; padding: 15px; margin-bottom: 20px; border: 1px solid #ccc; font-size:16px;}
.ordered-list { margin-left: 20px; margin-bottom: 20px; color:#555;}
.ordered-list li { margin-bottom: 10px; }
.unordered-list { list-style-type: disc; margin-left: 20px; margin-bottom: 20px; color:#555;}
.unordered-list li { margin-bottom: 10px; }
.video-placeholder { width: 100%; max-width: 800px; margin: 20px 0; }