:root{--color-bg:#fff;--color-bg-soft:#f7f8fa;--color-text:#111;--color-text-muted:#555;--color-border:#e5e7eb;--color-border-strong:#111;--color-accent:#2563eb;--color-accent-soft:#dbeafe;--max-width:1100px;--container-padding:2rem;--font-family:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);color:var(--color-text);background-color:var(--color-bg);font-size:16px;line-height:1.6}h1,h2,h3,h4{margin-bottom:1rem;font-weight:700;line-height:1.2}h1{font-size:36px}@media (width>=768px){h1{font-size:48px}}h2{margin-bottom:2rem;font-size:32px}p{margin-bottom:1rem}small,.small{color:var(--color-text-muted);font-size:13px}.container{max-width:var(--max-width);padding:0 var(--container-padding);margin:0 auto}.section-alt{background-color:var(--color-bg-soft);padding:4rem 0}section{padding:4rem 0}.section-intro{color:var(--color-text-muted);max-width:800px;margin-bottom:3rem;font-size:1.1rem}header{border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#ffffffe6;padding:1.5rem 0;position:sticky;top:0}nav{justify-content:space-between;align-items:center;display:flex}.logo{letter-spacing:-.02em;font-size:1.25rem;font-weight:800}.nav-links{gap:2rem;list-style:none;display:flex}.nav-links a{color:var(--color-text-muted);font-size:.9rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--color-text)}.nav-toggle{cursor:pointer;background:0 0;border:none;padding:.5rem;display:none}.nav-toggle span{background:var(--color-text);width:24px;height:2px;margin:5px 0;display:block}.hero{text-align:center;padding:6rem 0}.hero h1{max-width:800px;margin:0 auto 1.5rem}.subtitle{color:var(--color-text-muted);max-width:700px;margin:0 auto 2.5rem;font-size:1.25rem}.cta-group{justify-content:center;gap:1rem;margin-bottom:4rem;display:flex}.hero-visual{margin-top:2rem;padding-bottom:1rem;overflow-x:auto}.workflow-svg{min-width:600px;max-width:100%;height:auto}.node{fill:var(--color-bg);stroke:var(--color-border-strong);stroke-width:2px}.node.highlight{fill:var(--color-accent-soft);stroke:var(--color-accent)}.node-text{fill:var(--color-text);font-size:12px;font-weight:600}.btn{cursor:pointer;border-radius:4px;padding:.75rem 1.5rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.btn-primary{background-color:var(--color-border-strong);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary{color:var(--color-text);border:1px solid var(--color-border);background-color:#0000}.btn-secondary:hover{background-color:var(--color-bg-soft)}.grid{gap:2rem;display:grid}@media (width>=768px){.grid.cards{grid-template-columns:repeat(2,1fr)}}.card{background:var(--color-bg);border:1px 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.2s}.tech-item:hover{border-color:var(--color-border-strong)}.tech-note{color:var(--color-text-muted);text-align:center;max-width:600px;margin:0 auto;font-style:italic}.architecture-block{border:1px solid var(--color-border);text-align:center;background:#fff;border-radius:8px;margin-top:4rem;padding:3rem}.arch-diagram{flex-direction:column;align-items:center;gap:1rem;margin-top:2rem;display:flex}.arch-box{border:2px solid var(--color-border-strong);border-radius:4px;min-width:200px;padding:1rem 2rem;font-weight:600}.arch-box.highlight-alt{background:var(--color-accent-soft);border-color:var(--color-accent);color:var(--color-accent)}.arch-arrow{font-size:1.5rem;font-weight:700}.arch-row{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.comparison-table-wrapper{margin-top:2rem;overflow-x:auto}.comparison-table{border-collapse:collapse;text-align:left;width:100%}.comparison-table th{background:var(--color-bg-soft);border:1px solid var(--color-border);padding:1rem}.comparison-table td{border:1px solid var(--color-border);padding:1rem}.why-it-matters{max-width:800px;margin:0 auto}.large{margin-bottom:2rem;font-size:1.5rem;font-weight:500}.key-points{flex-wrap:wrap;gap:1rem;margin:2rem 0;display:flex}.point{border-left:4px solid var(--color-accent);background:var(--color-bg-soft);padding:.5rem 1rem;font-weight:600}@media (width>=768px){.grid.services{grid-template-columns:repeat(2,1fr)}}.service{border-bottom:2px solid var(--color-border);padding:1.5rem}.cta-box{background:var(--color-border-strong);color:#fff;text-align:center;border-radius:8px;padding:4rem}.cta-box h2{color:#fff;margin-bottom:1rem}.cta-box p{opacity:.9;margin-bottom:2rem}.cta-actions{flex-direction:column;align-items:center;gap:1.5rem;display:flex}.cta-email-alt{opacity:.8;font-size:.9rem;margin:0!important}.cta-email-alt a{color:#fff;text-underline-offset:4px;text-decoration:underline}footer{border-top:1px solid var(--color-border);background:var(--color-bg-soft);padding:4rem 0}.footer-content{flex-wrap:wrap;justify-content:space-between;gap:3rem;display:flex}.footer-brand{max-width:400px}.footer-links p{margin-bottom:.5rem}.footer-links a{color:var(--color-accent);text-decoration:none}@media (width<=767px){.nav-links{border-bottom:1px solid var(--color-border);background:#fff;flex-direction:column;gap:1.5rem;padding:2rem;display:none;position:absolute;top:100%;left:0;right:0}.nav-links.active{display:flex}.nav-toggle{display:block}.arch-box{min-width:100%}}.section-narrow{padding:4rem 0}.info-block{text-align:center;max-width:800px;margin:0 auto}.audience-tag{color:var(--color-text-muted);margin-bottom:2rem;font-size:.95rem;font-style:italic;font-weight:500}.cta-group-small{margin:1.5rem 0 3rem}.state-machine-example{margin-top:4rem}.code-details{border:1px solid var(--color-border);background:#fdfdfd;border-radius:8px;margin-top:1.5rem}.code-details summary{cursor:pointer;color:var(--color-text);border-bottom:1px solid #0000;padding:1rem;font-size:.9rem;font-weight:600}.code-details[open] summary{border-bottom-color:var(--color-border)}.code-block{color:#dcdcdc;background:#1e1e1e;border-bottom-right-radius:8px;border-bottom-left-radius:8px;margin:0;padding:1.5rem;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.85rem;line-height:1.5;overflow-x:auto}.screenshot-area{margin-top:4rem}.image-placeholder{aspect-ratio:16/9;border:2px dashed var(--color-border);background:#f0f2f5;border-radius:12px;justify-content:center;align-items:center;width:100%;margin-top:1.5rem;display:flex;position:relative;overflow:hidden}.image-placeholder img{object-fit:cover;width:100%;height:100%;display:block}.image-placeholder.missing img{display:none}.placeholder-text{color:var(--color-text-muted);font-size:.9rem;font-weight:500;display:none}.image-placeholder.missing .placeholder-text{display:block}.card,.step,.tech-item,.arch-box,.service{transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}