:root { --primary: #3a7bd5; --secondary: #00d2ff; --light: #f8f9fa; --dark: #212529; --success: #4CAF50; --card-bg: #ffffff; --text: #333333; --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); }  * { margin: 0; padding: 0; box-sizing: border-box; }   h2{ font-weight: 800; line-height: 1.2; margin-top: 0; }    .intro { font-size: 1.25rem; max-width: 800px; margin: 0 auto; opacity: 0.95; line-height: 1.7; }  .generator-section { background: white; border-radius: 12px; padding: 2.5rem; margin: 2.5rem 0; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); border: 1px solid #e2e8f0; scroll-margin-top: 90px; }    .section-title { text-align: center; font-size: 2.2rem; margin-bottom: 30px; color: var(--primary); position: relative; }  .section-title:after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background: linear-gradient(to right, var(--primary), var(--accent)); border-radius: 2px; }  .generator-container { margin: 0px auto; text-align: center; border-radius: 16px; }  .word-display { min-height: 120px; display: flex; align-items: center; justify-content: center; margin: 40px 0; background: white; border-radius: 12px; border: 2px dashed var(--primary); font-size: 2.5rem; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 1px; transition: all 0.4s ease; box-shadow: 0 4px 15px rgba(58, 123, 213, 0.15); }  .word-display.active { text-shadow: 0 2px 4px rgba(0,0,0,0.2); }  .btn { background: linear-gradient(to right, var(--primary), var(--secondary)); color: white; border: none; padding: 16px 40px; font-size: 1.2rem; font-weight: 600; border-radius: 50px; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(58, 123, 213, 0.4); display: inline-flex; align-items: center; gap: 10px; justify-content: center; }  .btn:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(58, 123, 213, 0.6); background: linear-gradient(to right, #2a6ac0, #00b8e6); } .feature-card h3{ margin-top:0; }  .btn:active { transform: translateY(1px); }  .oprategroup{ display: flex; align-items: center; }  .difficulty-selector { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-left: 30px; }  .difficulty-btn { background: #e9ecef; border: 2px solid #ced4da; padding: 8px 20px; border-radius: 30px; cursor: pointer; transition: all 0.2s; }  .difficulty-btn.active { background: var(--primary); color: white; border-color: var(--primary); font-weight: 600; }  .seo-content { background-color: var(--card-bg); border-radius: 20px; padding: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); }  .content-section { margin: 2.5rem 0; }  .content-card { background: #f8fafc; border-radius: 16px; padding: 25px; transition: all 0.3s ease; border-left: 4px solid var(--primary); }  .content-card:hover {  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08); }  .content-card ul { padding-left: 20px; }  .content-card li { margin-bottom: 12px; position: relative; }  .content-card li:before { content: '•'; color: var(--accent); font-weight: bold; position: absolute; left: -15px; }     @media (max-width: 768px) { h1 { font-size: 2.2rem; } h2 { font-size: 1.6rem; } .intro { font-size: 1.1rem; } .difficulty-selector{ margin-top:20px; margin-left: 0; } .section-title { font-size: 1.8rem; }  .content-section{ font-size: 1.1rem; }  .generator-container { padding: 20px 15px; }  .word-display { min-height: 90px; font-size: 2rem; }  .btn { width: 100%; padding: 14px; } .container{ padding: 0 1rem; } .generator-section{ padding: 1.5rem; }  .oprategroup{ flex-direction: column; } }     @keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }  .word-display.active { animation: pulse 0.5s ease; }