@keyframes pulse{0%,to{opacity:.3;transform:translateX(-50%) scale(1)}50%{opacity:.6;transform:translateX(-50%) scale(1.2)}}@keyframes gradientShift{0%,to{background-position:0 50%}50%{background-position:100% 50%}}@keyframes scanLine{0%{left:-100%;opacity:0}50%{opacity:1}to{left:100%;opacity:0}}@keyframes spin{to{transform:rotate(360deg)}}:root{--bg-primary:#FAFAFA;--bg-secondary:#FFFFFF;--bg-accent:#E5E7EB;--bg-footer:#F8F9FA;--text-primary:#2D3436;--text-secondary:#4B5563;--accent-primary:#0066FF;--accent-link:#0044CC;--accent-green:#10b981;--accent-green-dark:#0d9668;--transition-base:all 0.2s ease;--accent-amber:#f59e0b;--accent-blue:var(--accent-primary);--glow-amber:rgba(245, 158, 11, 0.4);--glow-blue:rgba(0, 102, 255, 0.4);--z-header:100;--z-dropdown:500;--z-modal:1000;--z-popup:1001;--z-toast:1002}*{margin:0;padding:0;box-sizing:border-box}.btn-base{padding:.9rem 1.6rem;font-weight:600;cursor:pointer;border:0;border-radius:8px;min-height:44px;transition:var(--transition-base);display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:1.05rem;position:relative}.btn-base:focus,.btn-base:hover{box-shadow:0 2px 8px rgba(0,102,255,.15);outline:0}.btn-base:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.btn-base:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent-primary);color:var(--bg-secondary)}.btn-secondary{background:0 0;border:1px solid var(--accent-primary);color:var(--accent-primary)}.btn-secondary:focus,.btn-secondary:hover{background:var(--accent-primary);color:var(--bg-secondary)}.btn-success{background:var(--accent-green);color:var(--bg-secondary)}.btn-success:focus,.btn-success:hover{background:var(--accent-green-dark);box-shadow:0 2px 8px rgba(16,185,129,.2)}.btn-sm{padding:.75rem 1.5rem;font-size:.95rem}.btn-full{width:100%}.input-base{width:100%;padding:.875rem;background:var(--bg-primary);border:2px solid var(--bg-accent);color:var(--text-primary);font-size:1rem;transition:var(--transition-base);border-radius:4px;font-family:inherit}.input-base:focus{outline:0;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(0,102,255,.15)}.form-input:invalid:not(:focus):not(:placeholder-shown),.input-base:invalid:not(:focus):not(:placeholder-shown){border-color:#ef4444}.input-base::placeholder{color:var(--text-secondary);opacity:.7}.input-textarea{height:100px;resize:vertical;min-height:80px}.input-compact{padding:.75rem;font-size:.95rem;border-radius:6px}.input-amber:focus{border-color:var(--accent-amber);box-shadow:0 0 8px var(--glow-amber)}.text-xl{font-size:clamp(1.8rem,5vw,2.3rem);font-weight:700}.text-lg,.text-md{font-size:clamp(1.6rem,4.5vw,2rem);font-weight:700}.text-md{font-size:clamp(1.4rem,4vw,1.8rem)}.text-base{font-size:clamp(1rem,2.5vw,1.2rem)}.text-sm{font-size:clamp(.9rem,2.5vw,1.05rem)}.text-center{text-align:center}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.overlay-base{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;opacity:0;visibility:hidden;transition:opacity .6s ease,visibility .6s ease;padding:1rem}.overlay-base.active{opacity:1;visibility:visible}.dialog-base{background:var(--bg-secondary);padding:clamp(1.5rem,5vw,2.5rem);max-width:520px;width:100%;position:relative;transform:translateY(-30px) scale(.95);transition:transform .6s ease;border-radius:10px;max-height:90vh;overflow-y:auto}.future-popup-overlay.active .future-popup,.modal-overlay.active .modal,.overlay-base.active .dialog-base{transform:translateY(0) scale(1)}.dialog-close{position:absolute;top:1rem;right:1rem;background:0 0;border:0;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;transition:var(--transition-base);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px}.dialog-close:focus,.dialog-close:hover{color:var(--text-primary);background:#f3f4f6}.dialog-close:focus-visible{outline:2px solid var(--accent-amber);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.bg-grid,.unified-btn::after,.unified-btn::before{animation:none!important}}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;scroll-behavior:smooth}html{scroll-padding-top:120px}@media (max-width:768px){html{scroll-padding-top:180px}}.container{max-width:1200px;margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}.bg-grid{display:none}@media (max-width:768px){.bg-grid{animation:none;will-change:auto}}header{padding:1.25rem 0;border-bottom:1px solid var(--bg-accent);position:sticky;top:0;z-index:var(--z-header);background:var(--bg-secondary)}.header-content{display:flex;justify-content:space-between;align-items:center;gap:1rem}.logo,.nav-btn{text-decoration:none}.logo{font-size:clamp(1.5rem,3vw,1.8rem);font-weight:700;color:var(--text-primary)}.nav-btn{background:var(--accent-primary);border:0;padding:.75rem 1.5rem;color:var(--bg-secondary);font-weight:600;cursor:pointer;font-size:.95rem;transition:var(--transition-base);border-radius:8px;min-height:44px;display:inline-flex;align-items:center}.nav-btn:focus,.nav-btn:hover{box-shadow:0 2px 8px rgba(0,102,255,.15);outline:0}.nav-btn:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.hero,a.nav-btn{align-items:center}a.nav-btn{display:inline-flex;text-decoration:none}a.nav-btn:visited{color:var(--bg-primary)}.hero{padding:clamp(4rem,10vh,8rem)0;text-align:center;position:relative;min-height:70vh;display:flex}.chrome-gradient-btn::after,.chrome-gradient-btn::before,.feature-card::before,.hero::before,.impact-statement::before,.unified-btn::after,.unified-btn::before{content:none}.hero-content{width:100%}.hero h1{font-size:clamp(1.9rem,5.9vw,3.4rem);margin-bottom:1rem;color:var(--text-primary);font-weight:800;line-height:1.1}.tagline{font-size:clamp(1.2rem,3vw,1.6rem);color:var(--text-secondary);margin-bottom:2rem;font-weight:300}.description,.step-container{max-width:760px;margin:0 auto 3rem}.step-container .tagline{text-align:left}.description{font-size:clamp(1rem,2.5vw,1.2rem);max-width:800px;color:var(--text-secondary);line-height:1.7}.step-image{width:100%;height:auto;display:block;box-shadow:0 0 5px rgba(0,0,0,.2)}.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-primary,.cta-secondary{padding:.9rem 2rem;font-size:clamp(.95rem,2.5vw,1.1rem);font-weight:600;cursor:pointer;border:0;border-radius:8px;transition:var(--transition-base);min-height:44px;min-width:160px;position:relative;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.cta-primary{background:var(--accent-primary);color:var(--bg-secondary)}.cta-primary:focus,.cta-primary:hover{box-shadow:0 2px 8px rgba(0,102,255,.15)}.cta-secondary{background:0 0;border:1px solid var(--accent-primary);color:var(--accent-primary)}.cta-secondary:focus,.cta-secondary:hover{background:var(--accent-primary);color:var(--bg-secondary);box-shadow:0 2px 8px rgba(0,102,255,.15)}.chrome-gradient-btn,.unified-btn{background:var(--accent-primary);border:0;position:relative}.chrome-gradient-btn{overflow:hidden;color:var(--bg-secondary)!important}.chrome-gradient-btn:hover::after,.unified-btn:hover::after{animation:scanLine .8s ease-out}.unified-btn{padding:.9rem 1.6rem;color:var(--bg-secondary);font-weight:600;cursor:pointer;font-size:1.05rem;transition:var(--transition-base);border-radius:8px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.unified-btn:focus,.unified-btn:hover{box-shadow:0 2px 8px rgba(0,102,255,.15);outline:0}.unified-btn:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.unified-btn:visited{color:var(--bg-secondary)}.cta-primary:focus-visible,.cta-secondary:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.features{padding:clamp(3rem,10vh,5rem)0;background:var(--bg-primary);position:relative}.features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1rem,2.5vw,2rem)}@media (max-width:1024px){.features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}.section-title{text-align:center;font-size:clamp(1.8rem,5vw,2.3rem);margin-bottom:2rem;color:var(--text-primary);font-weight:700}.section-subtitle{font-size:clamp(.9rem,2.5vw,1.2rem);margin-bottom:2rem}.get-started-subtitle,.get-started-title,.section-subtitle{text-align:center;color:var(--text-primary);font-weight:700}.get-started-title{font-size:clamp(1.6rem,4.5vw,2rem);margin-bottom:1rem;margin-top:5rem}.get-started-subtitle{font-size:clamp(.9rem,2.5vw,1.2rem);margin-bottom:2rem}.feature-card{background:var(--bg-secondary);padding:1.5rem;border:1px solid var(--bg-accent);position:relative;transition:var(--transition-base);overflow:hidden;border-radius:8px}.feature-title{color:var(--text-primary);font-size:1.2rem;margin-bottom:.75rem;display:flex;align-items:center;gap:.75rem;font-weight:600}.feature-icon{width:24px;height:24px;display:inline-block;background-color:#06f;-webkit-mask:var(--ico) no-repeat center/contain;mask:var(--ico) no-repeat center/contain;flex-shrink:0}.feature-desc{color:var(--text-secondary);line-height:1.6}.why-section{padding:clamp(3rem,10vh,5rem)0;text-align:center;background:var(--bg-primary)}.why-title{font-size:clamp(1.6rem,5vw,2rem);margin-bottom:1.25rem;color:var(--text-primary);font-weight:700}.site-footer p,.why-text{color:var(--text-secondary)}.why-text{font-size:clamp(1.1rem,3vw,1.3rem);margin-bottom:1rem}.footer-cta h2,.highlight,.policy-content strong{color:var(--text-primary);font-weight:600}.impact-statement{font-size:clamp(1.1rem,3vw,1.3rem);color:var(--text-secondary);margin-top:2rem;margin-bottom:2rem;padding:1.25rem;border:1px solid var(--bg-accent);background:var(--bg-secondary);position:relative;border-radius:8px}.footer-cta,.site-footer{border-top:1px solid var(--bg-accent);text-align:center}.footer-cta{padding:clamp(2.5rem,8vh,3.5rem)0;background:var(--bg-primary)}.footer-cta h2{margin-bottom:2rem;font-size:clamp(1.8rem,4vw,2.2rem);font-weight:700}.site-footer{background:var(--bg-footer);padding:2rem 0}.footer-content,.footer-links{display:flex;align-items:center}.footer-content{justify-content:space-between;flex-wrap:wrap;gap:1rem}.site-footer p{font-size:.9rem;margin:0}.footer-links{gap:1.5rem}.footer-link{text-decoration:none;font-size:.95rem;font-weight:500;transition:var(--transition-base);position:relative}.footer-link:focus,.footer-link:hover{text-decoration:underline}.footer-link:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px;border-radius:2px}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:var(--z-modal);opacity:0;visibility:hidden;padding:1rem}.modal,.modal-close,.modal-overlay{transition:var(--transition-base)}.modal{background:var(--bg-secondary);border:1px solid var(--bg-accent);box-shadow:0 10px 30px rgba(0,0,0,.08);padding:clamp(1.5rem,5vw,2.5rem);max-width:520px;width:100%;position:relative;transform:translateY(-30px) scale(.98);border-radius:10px;max-height:90vh;overflow-y:auto}.modal-close{position:absolute;top:1rem;right:1rem;background:0 0;border:0;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px}.modal-close:focus,.modal-close:hover{color:var(--text-primary);background:#f3f4f6}.modal-close:focus-visible{outline:2px solid var(--accent-amber)}.modal-title{color:var(--text-primary);font-size:clamp(1.4rem,4vw,1.8rem);margin-bottom:.75rem;text-align:center;font-weight:700}.modal-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:2rem;line-height:1.5}.form-group{margin-bottom:1.5rem}.form-label{display:block;color:var(--accent-blue);margin-bottom:.5rem;font-weight:600;font-size:.95rem}.form-input,.form-textarea{width:100%;padding:.875rem;background:var(--bg-primary);border:2px solid var(--bg-accent);color:var(--text-primary);font-size:1rem;transition:var(--transition-base);border-radius:4px;font-family:inherit}.form-input:focus,.form-textarea:focus{outline:0;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(0,102,255,.15)}.form-textarea{height:100px;resize:vertical;min-height:80px}.form-submit{width:100%;background:var(--accent-primary);border:0;padding:.9rem;color:var(--bg-secondary);font-weight:600;font-size:1.05rem;cursor:pointer;transition:var(--transition-base);border-radius:8px;min-height:44px;position:relative}.form-submit:focus,.form-submit:hover{box-shadow:0 2px 8px rgba(0,102,255,.15)}.form-submit:focus-visible{outline:2px solid var(--accent-amber);outline-offset:2px}.form-submit:disabled{opacity:.6;cursor:not-allowed;transform:none}.optional-text{color:var(--text-secondary);font-size:.85rem;font-style:italic}.loading{position:relative}.loading::after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0-10px;border:2px solid transparent;border-top-color:var(--bg-primary);border-radius:50%;animation:spin 1s linear infinite}.success-message{background:var(--accent-green);color:var(--bg-primary);padding:1rem;border-radius:4px;margin-bottom:1rem;text-align:center;font-weight:600}.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}.fade-in.visible{opacity:1;transform:translateY(0)}.future-popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;justify-content:center;align-items:center;z-index:var(--z-popup);opacity:0;visibility:hidden;transition:opacity .6s ease,visibility .6s ease;padding:1rem}.future-popup-overlay.active{opacity:1;visibility:visible}.future-popup{background:var(--bg-secondary);border:2px solid var(--accent-amber);box-shadow:0 0 40px var(--glow-amber);padding:clamp(2rem,5vw,2.5rem);max-width:480px;width:100%;position:relative;transform:translateY(-30px) scale(.95);transition:transform .6s ease;border-radius:12px;max-height:90vh;overflow-y:auto}.future-popup-close{position:absolute;top:1rem;right:1rem;background:0 0;border:0;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;transition:var(--transition-base);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px}.future-popup-close:focus,.future-popup-close:hover{color:var(--accent-amber);background:rgba(245,158,11,.1)}.future-popup-title{color:var(--accent-primary);font-size:clamp(1.4rem,4vw,1.7rem);margin-bottom:.5rem;text-align:center;text-shadow:0 0 10px var(--glow-amber);font-weight:700;line-height:1.2}.future-popup-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:1.5rem;font-size:.95rem;opacity:.8}.future-popup-text{color:var(--text-primary);margin-bottom:2rem;line-height:1.6;font-size:1rem}.future-form-group{margin-bottom:1rem;display:flex;align-items:center;gap:.75rem}.future-form-label{color:var(--accent-blue);font-weight:600;font-size:.9rem;min-width:60px;flex-shrink:0}.future-form-input{flex:1;padding:.75rem;background:var(--bg-primary);border:2px solid var(--bg-accent);color:var(--text-primary);font-size:.95rem;transition:var(--transition-base);border-radius:6px;font-family:inherit}.future-form-input:focus{outline:0;border-color:var(--accent-amber);box-shadow:0 0 8px var(--glow-amber)}.future-form-input::placeholder,.other-idea-input::placeholder{color:var(--text-secondary);opacity:.7}.feature-buttons{display:flex;flex-direction:column;gap:.75rem;margin:1.5rem 0}.feature-btn{background:0 0;border:1px solid var(--accent-primary);color:var(--accent-primary);padding:.8rem 1.1rem;cursor:pointer;transition:var(--transition-base);border-radius:8px;font-size:.95rem;font-weight:500;text-align:left;position:relative}.feature-btn:focus,.feature-btn:hover{background:var(--accent-primary);color:var(--bg-secondary);box-shadow:0 2px 8px rgba(0,102,255,.15);transform:none}.feature-btn:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.other-idea-section{margin-top:1rem;border-top:1px solid var(--bg-accent);padding-top:1rem}.other-idea-container{display:flex;gap:.5rem;align-items:center;margin-top:4px}.other-idea-input{flex:1;padding:.75rem;background:var(--bg-primary);border:2px solid var(--bg-accent);color:var(--text-primary);font-size:.95rem;transition:var(--transition-base);border-radius:6px;font-family:inherit}.other-idea-input:focus{outline:0;border-color:var(--accent-amber);box-shadow:0 0 8px var(--glow-amber)}.send-btn{background:var(--accent-green);border:0;color:var(--bg-secondary);padding:.75rem 1rem;cursor:pointer;border-radius:8px;font-size:1.1rem;transition:var(--transition-base);display:flex;align-items:center;justify-content:center;min-width:48px}.send-btn:focus,.send-btn:hover{background:var(--accent-green-dark);transform:none;box-shadow:0 2px 8px rgba(16,185,129,.2)}.send-btn:focus-visible{outline:2px solid var(--accent-amber);outline-offset:2px}.confirmation-toast{position:fixed;top:20px;right:20px;background:var(--accent-green);color:var(--bg-primary);padding:1rem 1.5rem;border-radius:6px;font-weight:600;z-index:var(--z-toast);transform:translateX(calc(100% + 20px));transition:transform .3s ease;box-shadow:0 4px 12px rgba(16,185,129,.3)}.confirmation-toast.show{transform:translateX(0)}.loading-btn{pointer-events:none;opacity:.7}.loading-btn::after{content:"";position:absolute;top:50%;left:50%;width:16px;height:16px;margin:-8px 0 0-8px;border:2px solid transparent;border-top-color:var(--bg-primary);border-radius:50%;animation:spin 1s linear infinite}@media (max-width:768px){.hero-buttons{flex-direction:column;align-items:center}.cta-primary,.cta-secondary{width:100%;max-width:300px}.features-grid{grid-template-columns:1fr}.feature-title{font-size:1.2rem}.future-popup,.modal{margin:1rem;padding:1.5rem}.future-form-group{flex-direction:column;align-items:flex-start;gap:.5rem}.future-form-label{min-width:auto}.other-idea-container{flex-direction:column;gap:.75rem}.other-idea-input{width:100%}.step-container{margin:0 auto 2rem}.footer-content{flex-direction:column;text-align:center;gap:1rem}.footer-links{justify-content:center}}@media (max-width:480px){.unified-btn{width:100%;max-width:280px;padding:1rem 1.5rem;font-size:.9rem}.youtube-container{max-width:100%!important;margin:1rem 0!important}.features-grid{grid-template-columns:1fr;gap:1rem}.confirmation-toast{top:10px;right:10px;left:10px;transform:translateY(-100%)}.confirmation-toast.show{transform:translateY(0)}}@media (prefers-contrast:high){:root{--text-secondary:#ffffff;--bg-accent:#333333}}@media print{.bg-grid,.cta-primary,.cta-secondary,.future-popup-overlay,.modal-overlay,.nav-btn{display:none!important}.site-footer,body{background:var(--bg-secondary)!important}.site-footer{border-top:1px solid #ccc!important}.site-footer p,body{color:var(--text-primary)!important}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.youtube-container .ratio{aspect-ratio:16/9;overflow:hidden}.youtube-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.content{padding:clamp(2rem,5vh,4rem)0;max-width:800px;margin:0 auto}.page-title{font-size:clamp(2.5rem,6vw,3.5rem);margin-bottom:2rem;background:linear-gradient(45deg,var(--accent-amber),var(--accent-blue));-webkit-background-clip:text;background-clip:text;font-weight:800;line-height:1.1;text-align:center}.how-to-panel{text-align:left;max-width:720px;width:100%;margin:0 auto}.policy-content{background:var(--bg-secondary);padding:3rem;border-radius:8px;border:1px solid var(--bg-accent);position:relative;overflow:hidden}.policy-content::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent-amber),var(--accent-blue),var(--accent-amber))}.policy-content h1{color:var(--accent-amber);font-size:2rem;margin-bottom:1rem;text-align:center;text-shadow:0 0 10px var(--glow-amber)}.policy-content h2{color:var(--accent-blue);font-size:1.5rem;margin:2rem 0 1rem;border-left:3px solid var(--accent-blue);padding-left:1rem}.divider,.policy-content h3{color:var(--accent-amber);font-size:1.2rem;margin:1.5rem 0 .5rem}.policy-content p{line-height:1.7}.policy-content ul{margin:1rem 0 1rem 1.5rem;color:var(--text-secondary)}.policy-content li{margin-bottom:.5rem;line-height:1.6}.divider{text-align:center;margin:2rem 0;font-size:1.5rem}.contact-info{background:var(--bg-primary);padding:1rem;border-radius:8px;margin-top:2rem;text-align:center}.contact-info h3,.policy-content p{color:var(--text-secondary);margin-bottom:1rem}.back-link,.contact-link{text-decoration:none;font-weight:600;transition:var(--transition-base)}.contact-link:hover{color:var(--accent-blue);text-shadow:0 0 5px var(--glow-blue)}.back-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--accent-blue);margin-bottom:2rem}.back-link:hover{color:var(--accent-amber);transform:translateX(-5px)}@media (max-width:768px){.policy-content{padding:2rem 1.5rem}.header-content{flex-direction:column;text-align:center;gap:1rem}}.page-404{min-height:100vh;display:flex;flex-direction:column}.page-404 .main-content{flex:1;display:flex;align-items:center;justify-content:center;padding:clamp(4rem,10vh,8rem)0;text-align:center;position:relative;min-height:60vh}.page-404 .main-content::before{content:"";position:absolute;top:20%;left:50%;width:clamp(150px,30vw,300px);height:clamp(150px,30vw,300px);background:radial-gradient(circle,var(--glow-amber) 0%,transparent 70%);transform:translateX(-50%);z-index:-1;animation:pulse 4s ease-in-out infinite;will-change:opacity,transform}.page-404 .error-content{width:100%;max-width:600px;margin:0 auto}.page-404 .error-code{font-size:clamp(4rem,15vw,8rem);font-weight:800;background:linear-gradient(45deg,var(--accent-amber),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:1rem}.page-404 .error-title{font-size:clamp(1.8rem,5vw,2.5rem);color:var(--text-primary);margin-bottom:1rem;font-weight:700}.page-404 .error-message{font-size:clamp(1rem,3vw,1.2rem);color:var(--text-secondary);margin-bottom:3rem;line-height:1.7}.nav-links{display:inline-flex;align-items:center;gap:2rem;margin-left:auto;margin-right:auto}.nav-dropdown{position:relative}.nav-dropdown summary{list-style:none;cursor:pointer;font-weight:600}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown-menu{position:absolute;left:-18px;top:calc(100% + 8px);background:var(--bg-secondary);border:1px solid var(--bg-accent);border-radius:6px;padding:.5rem .75rem;min-width:240px;box-shadow:0 10px 30px rgba(0,0,0,.4);display:none;z-index:var(--z-dropdown)}.nav-dropdown[open] .nav-dropdown-menu{display:block}@media (hover:hover){.nav-dropdown:hover .nav-dropdown-menu{display:block;top:100%}}.nav-dropdown-menu .footer-link{display:block;padding:.25rem 0;color:var(--text-primary)}.nav-dropdown summary:focus-visible,.nav-dropdown-menu a:focus-visible{outline:2px solid var(--accent-amber);outline-offset:2px;border-radius:2px}.nav-link{text-decoration:none;font-weight:600}.nav-dropdown-menu .footer-link:visited,.nav-link,.nav-link:visited{color:var(--text-primary)}.nav-dropdown summary,.nav-dropdown-menu a,.nav-link{padding-bottom:2px}.tagline-toggle{display:block;width:100%;background:0 0;border:0;padding:0;text-align:left;cursor:pointer;margin-top:2rem}.tagline-toggle::before{content:"▸";display:inline-block;margin-right:.5rem;color:var(--text-secondary)}.tagline-toggle[aria-expanded=true]::before{content:"▾"}.collapsible-content[hidden]{display:none}