:root{--bg-primary: #0d0d0d;--bg-secondary: #1a1a1a;--surface: #1e1e1e;--surface-hover: #252525;--primary: #00d4ff;--accent: #8b5cf6;--text-primary: #ffffff;--text-secondary: #a1a1a1;--text-tertiary: #6b6b6b;--border: #2a2a2a;--border-hover: #3a3a3a;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;display:flex;flex-direction:column;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}header{padding:4rem 2rem 2rem;text-align:center}h1{font-size:3rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:.75rem}.subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:560px;margin:0 auto;font-weight:400}main{flex:1;width:100%;max-width:880px;margin:0 auto;padding:0 2rem 5rem;display:flex;flex-direction:column;gap:2rem}.hero-image-container{display:flex;justify-content:center;margin-bottom:1rem;padding:2rem 0}.hero-image{max-width:100%;height:auto;border-radius:16px;max-height:400px;object-fit:contain;box-shadow:0 20px 50px #0009}section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2.5rem;transition:all .2s ease}section:hover{background:var(--surface-hover);border-color:var(--border-hover)}h2{font-size:1.5rem;font-weight:600;letter-spacing:-.02em;margin-bottom:1.5rem;color:var(--text-primary)}.support-content{display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.5rem}.support-text{color:var(--text-secondary);font-size:1.0625rem;line-height:1.65;max-width:580px}.warning-section{background:#ffc1070d;border-color:#ffc1074d}.warning-section:hover{background:#ffc10714;border-color:#ffc10766}.warning-section h2{color:#ffc107}.warning-content{display:flex;flex-direction:column;gap:1rem}.warning-text{color:var(--text-secondary);font-size:1rem;line-height:1.65}.warning-text strong{color:var(--text-primary);font-weight:600}.warning-steps{margin-left:1.5rem;color:var(--text-secondary);font-size:1rem;line-height:1.65}.warning-steps li{margin-bottom:.5rem;padding-left:.5rem}.warning-steps strong{color:#ffc107;font-weight:600}.cta-button{display:inline-flex;align-items:center;gap:.625rem;background:linear-gradient(135deg,#ffed4e,#fd0);color:#000;padding:.875rem 2rem;border-radius:100px;text-decoration:none;font-weight:600;font-size:1rem;transition:all .2s ease;border:none;cursor:pointer;box-shadow:0 4px 12px #ffdd0040}.cta-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ffdd0059}.instructions{background:var(--bg-secondary);border:1px solid var(--border);padding:2rem;border-radius:12px;margin-bottom:2rem}.requirements-note{display:inline-flex;align-items:center;font-size:.8125rem;color:var(--primary);background:#00d4ff1a;padding:.375rem 1rem;border-radius:100px;margin-bottom:1.25rem;font-weight:500;border:1px solid rgba(0,212,255,.2)}.instructions ol{margin-left:1.5rem;color:var(--text-secondary);font-size:1rem}.instructions li{margin-bottom:.875rem;padding-left:.5rem}.flash-container{display:flex;justify-content:center;padding:2rem 0}esp-web-install-button{--esp-tools-button-border-radius: 12px;--esp-tools-button-color: var(--primary);--esp-tools-button-text-color: #000;font-family:var(--font-family);transform:scale(1.1)}.post-flash{display:none;text-align:center}.post-flash.visible{display:block;animation:fadeInUp .5s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}footer{text-align:center;padding:3rem 2rem;color:var(--text-tertiary);font-size:.875rem;border-top:1px solid var(--border);margin-top:2rem}footer a{color:var(--text-secondary);text-decoration:none;transition:color .2s}footer a:hover{color:var(--primary)}@media(max-width:768px){header{padding:3rem 1.5rem 2rem}h1{font-size:2.25rem}.subtitle{font-size:1rem}main{padding:0 1.5rem 4rem}section{padding:2rem 1.5rem}.hero-image{max-height:300px}.cta-button{padding:.75rem 1.75rem}}