:root{--primary-color: #0066cc;--secondary-color: #00a3cc;--accent-color: #ff8c00;--dark-blue: #003366;--text-color: #333;--text-light: #666;--background-light: #f5f9fc;--white: #ffffff;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--radius: 8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--background-light)}.app-container{width:100%;max-width:100%;margin:0 auto}h1,h2,h3{margin-bottom:1rem;line-height:1.2;color:var(--dark-blue)}a{text-decoration:none;color:var(--primary-color)}.header{background:linear-gradient(to right,var(--primary-color),var(--secondary-color));color:var(--white);padding:2rem 10%;text-align:center}.header h1{font-size:2.5rem;color:var(--white);margin-bottom:.5rem}.tagline{font-size:1.2rem;font-weight:300}.debug-info{font-size:.8rem;opacity:.7;margin-top:.5rem;background-color:#0003;display:inline-block;padding:2px 8px;border-radius:4px}.hero{display:flex;align-items:center;padding:4rem 10%;background-color:var(--white)}.hero-content{flex:1;padding-right:2rem}.hero-content h2{font-size:2rem;margin-bottom:1.5rem}.hero-content p{font-size:1.1rem;color:var(--text-light);margin-bottom:2rem}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}.hero-image{flex:1;display:flex;justify-content:center;align-items:center}.placeholder-image{width:100%;height:300px;background-color:#e0f2f7;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);color:var(--text-light);font-weight:700;box-shadow:var(--shadow)}.surf-image{width:100%;max-height:400px;-o-object-fit:cover;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.surf-video{width:100%;max-height:400px;border-radius:var(--radius);box-shadow:var(--shadow);-o-object-fit:cover;object-fit:cover;background-color:#000}.cta-button,.download-button{display:inline-block;background-color:var(--accent-color);color:var(--white);padding:.8rem 2rem;border-radius:50px;font-weight:700;transition:background-color .3s,transform .2s}.secondary-button{display:inline-block;background-color:transparent;color:var(--primary-color);padding:.8rem 2rem;border-radius:50px;font-weight:700;border:2px solid var(--primary-color);transition:background-color .3s,transform .2s}.secondary-button:hover{background-color:#0066cc1a;transform:translateY(-2px)}.cta-button:hover,.download-button:hover{background-color:#e67e00;transform:translateY(-2px)}.features{padding:4rem 10%;background-color:var(--background-light);text-align:center}.features h2{margin-bottom:3rem}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature-card{background-color:var(--white);padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .3s}.feature-card:hover{transform:translateY(-10px)}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.feature-card h3{font-size:1.25rem;margin-bottom:.5rem}.feature-card p{color:var(--text-light)}.how-it-works{padding:4rem 10%;background-color:var(--white);text-align:center}.how-it-works h2{margin-bottom:3rem}.steps{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem}.step{flex:1;min-width:200px;padding:1.5rem;background-color:var(--background-light);border-radius:var(--radius);position:relative}.step-number{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background-color:var(--primary-color);color:var(--white);border-radius:50%;font-weight:700;margin:0 auto 1rem}.step-icon{font-size:2.5rem;margin-bottom:.5rem;opacity:.8}.tutorial{padding:4rem 10%;background-color:var(--background-light);text-align:center}.tutorial h2{margin-bottom:1rem}.tutorial p{margin-bottom:2rem;font-size:1.1rem;color:var(--text-light)}.video-container{position:relative;width:100%;max-width:640px;height:360px;margin:0 auto;box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.download{padding:4rem 10%;background:linear-gradient(to right,var(--primary-color),var(--secondary-color));color:var(--white);text-align:center}.download h2{color:var(--white);margin-bottom:1rem}.download p{margin-bottom:2rem;font-size:.9rem}.chip-selector{margin-bottom:2rem;background-color:#fff3;padding:12px 20px;border-radius:var(--radius);display:inline-block}.chip-selector label{margin-right:10px}.chip-selector select{padding:6px 12px;border-radius:4px;border:none;background-color:var(--white);color:var(--primary-color);font-weight:500;cursor:pointer}.download-options{display:flex;justify-content:center;gap:1.5rem;margin-top:1.5rem;margin-bottom:2.5rem;flex-wrap:wrap}.download-button{background-color:var(--white);color:var(--primary-color);min-width:200px;display:flex;align-items:center;justify-content:center;gap:.5rem}.download-icon{font-size:1.2rem}.download-button:hover{background-color:#f0f0f0}.download-button.recommended{background-color:var(--accent-color);color:var(--white);position:relative;transform:scale(1.05)}.download-button.recommended:after{content:"Recommended for your device";position:absolute;top:-25px;left:50%;transform:translate(-50%);background-color:var(--dark-blue);color:var(--white);padding:4px 10px;border-radius:4px;font-size:.75rem;white-space:nowrap}.download-button.recommended:hover{background-color:#e67e00}.version-info{font-size:.9rem;opacity:.8}.system-detection-note{font-size:.9rem;margin-bottom:1rem;font-style:italic}.activate{padding:4rem 10%;background-color:var(--background-light);text-align:center}.activate h2{color:var(--dark-blue);margin-bottom:1rem}.activate-description{color:var(--text-light);margin-bottom:2rem;font-size:1.1rem}.activate-form{display:flex;justify-content:center;flex-wrap:wrap;gap:1rem;max-width:600px;margin:0 auto}.email-input{flex:1;min-width:300px;padding:.8rem 1.5rem;border-radius:50px;border:1px solid #ddd;font-size:1rem;outline:none;transition:border-color .3s}.email-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #06c3}.activate-button{background-color:var(--primary-color);color:var(--white);padding:.8rem 2rem;border-radius:50px;font-weight:700;font-size:1.1rem;border:none;cursor:pointer;transition:background-color .3s,transform .2s}.activate-button:hover{background-color:var(--secondary-color);transform:translateY(-2px)}.footer{background-color:var(--dark-blue);color:var(--white);padding:2rem 10%;text-align:center}.footer-links{margin-top:1rem;display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}.main-links{margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.2)}.footer-links a{color:var(--white);opacity:.8}.footer-links a:hover{opacity:1}.footer-links span{color:var(--white);opacity:.8}@media (max-width: 768px){.hero{flex-direction:column;padding:3rem 5%}.hero-content{padding-right:0;margin-bottom:2rem}.features,.how-it-works,.tutorial,.download,.activate{padding:3rem 5%}.steps{flex-direction:column}.video-container{margin:0 auto;width:90%;height:50.625vw;max-height:360px;border-radius:var(--radius)}.email-input{min-width:100%}}