:root {
        --gradient: linear-gradient(135deg, #00BFA6, #00695C);
        --light-bg: #f9fafb;
        --card-bg: rgba(255,255,255,0.85);
        --hover-overlay: rgba(0,191,166,0.1);
        --shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
      }
      body { font-family: 'Inter', sans-serif; background-color: var(--light-bg); color: #1f2937; }
      h1,h2,h3 { font-family: 'Playfair Display', serif; }
      .btn-accent { background: var(--gradient); color: #fff; box-shadow: var(--shadow-lg); transition: transform 0.3s, box-shadow 0.3s; }
      .btn-accent:hover { transform: translateY(-2px); box-shadow: 0 30px 60px rgba(0,0,0,0.15); }
      .card { background: var(--card-bg); backdrop-filter: blur(12px); border-radius: 1rem; box-shadow: var(--shadow-lg); transition: transform 0.3s; border: 2px solid #00BFA6; }
      .card:hover { transform: translateY(-6px); }
      .section-separator { height: 4px; background: var(--gradient); }
      .how-icon { background: var(--gradient); }