:root{--bg-primary:#faf8f5;--bg-surface:#fff;--bg-surface-subtle:#f4f0e8;--bg-surface-tint:#f0ece3;--bg-card:#fff;--bg-dark:#121316;--bg-dark-surface:#1c1d22;--text-primary:#18181c;--text-secondary:#4a4a54;--text-muted:#747480;--text-inverse:#f4f4f7;--text-inverse-muted:#a3a3b3;--border-subtle:#e6e2d8;--border-strong:#d0ccc0;--border-dark:#2a2b33;--accent:#4338ca;--accent-hover:#3730a3;--accent-light:#eef2ff;--accent-subtle:#e0e7ff;--accent-glow:#4338ca1f;--font-serif:"Newsreader", "Charter", "Bitstream Charter", "Sitka Text", "Cambria", Georgia, serif;--font-sans:"Plus Jakarta Sans", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--container-max:1140px;--container-narrow:840px;--container-wide:1280px;--header-height:64px;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--shadow-sm:0 1px 3px #18181c0d;--shadow-md:0 4px 16px -2px #18181c12, 0 2px 6px -1px #18181c0a;--shadow-lg:0 16px 36px -8px #18181c1a, 0 4px 12px -2px #18181c0d;--transition-fast:.15s cubic-bezier(.16, 1, .3, 1);--transition-normal:.25s cubic-bezier(.16, 1, .3, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);font-size:16px}body{font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-primary);font-weight:400;line-height:1.68;overflow-x:hidden}.skip-link{background:var(--text-primary);color:#fff;border-radius:var(--radius-sm);z-index:10000;transition:top var(--transition-fast);padding:12px 20px;font-weight:600;text-decoration:none;position:absolute;top:-100px;left:20px}.skip-link:focus{outline:3px solid var(--accent);top:16px}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}img{max-width:100%;height:auto;display:block}.progress-bar-container{z-index:1001;background:0 0;width:100%;height:3px;position:fixed;top:0;left:0}.progress-bar{background:linear-gradient(90deg, var(--accent) 0%, #6366f1 100%);width:0%;height:100%;transition:width 50ms linear}.site-header{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);z-index:1000;transition:box-shadow var(--transition-normal);background:#faf8f5eb;position:sticky;top:0}.site-header.scrolled{box-shadow:var(--shadow-sm)}.header-inner{max-width:var(--container-wide);height:var(--header-height);justify-content:space-between;align-items:center;gap:16px;margin:0 auto;padding:0 24px;display:flex}.header-brand{color:var(--text-primary);align-items:center;gap:12px;min-height:36px;text-decoration:none;display:flex}.header-title-text{letter-spacing:-.01em;color:var(--text-primary);font-size:.925rem;font-weight:600}.nav-links{align-items:center;gap:6px;list-style:none;display:flex}.nav-links a{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);padding:6px 10px;font-size:.85rem;font-weight:500;text-decoration:none}.nav-links a:hover{color:var(--text-primary);background:var(--bg-surface-subtle)}.nav-links a.active{color:var(--accent);background:var(--accent-light);font-weight:600}.header-actions{align-items:center;gap:10px;display:flex}.btn-sound-toggle{border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;align-items:center;gap:6px;padding:6px 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10px;font-size:.75rem;font-weight:600;display:inline-flex}.section-heading{font-family:var(--font-serif);letter-spacing:-.02em;color:var(--text-primary);margin-bottom:16px;font-size:clamp(2rem,3.5vw,2.75rem);font-weight:600;line-height:1.18}.section-lead{color:var(--text-secondary);margin-bottom:36px;font-size:1.2rem;font-weight:400;line-height:1.6}.hero-section{background:radial-gradient(circle at 50% 0,#eef2ff99 0%,#0000 60%);padding:72px 0 64px}.hero-badge-group{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:24px;display:flex}.badge{border-radius:var(--radius-full);align-items:center;padding:4px 12px;font-size:.8rem;font-weight:500;display:inline-flex}.badge-primary{background:var(--accent-light);color:var(--accent);font-weight:600}.badge-neutral{background:var(--bg-surface-subtle);color:var(--text-secondary);border:1px solid var(--border-subtle)}.hero-title{font-family:var(--font-serif);letter-spacing:-.03em;color:var(--text-primary);margin-bottom:20px;font-size:clamp(2.5rem,5.5vw,4.25rem);font-weight:600;line-height:1.1}.hero-subtitle{color:var(--text-secondary);max-width:820px;margin-bottom:40px;font-size:clamp(1.2rem,2vw,1.45rem);font-weight:400;line-height:1.5}.hero-meta-grid{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px;padding:24px;display:grid}.meta-item{flex-direction:column;gap:4px;display:flex}.meta-label{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);font-size:.725rem}.meta-value{color:var(--text-primary);font-size:.95rem;font-weight:600;line-height:1.35}.hero-media-card{background:var(--bg-dark);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid 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p{color:var(--text-secondary);font-size:.95rem}.vs-comparison-grid{background:var(--bg-surface-subtle);border-radius:var(--radius-md);border:1px solid var(--border-subtle);grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;margin:28px 0;padding:24px;display:grid}.vs-column{background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);padding:20px}.vs-tag{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;font-size:.725rem}.vs-column.our-approach{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent), var(--shadow-sm)}.vs-column.our-approach .vs-tag{color:var(--accent);font-weight:700}.vs-title{color:var(--text-primary);margin-bottom:6px;font-size:1.05rem;font-weight:600}.vs-desc{color:var(--text-secondary);font-size:.875rem}.vs-badge-middle{font-family:var(--font-mono);background:var(--text-primary);color:#fff;border-radius:var(--radius-full);padding:6px 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0;padding:24px}.simulator-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.simulator-title{color:var(--text-primary);align-items:center;gap:8px;font-size:.9rem;font-weight:600;display:flex}.simulator-instruction{color:var(--text-muted);font-size:.8rem}.simulator-grid{grid-template-columns:repeat(3,1fr);gap:8px;max-width:480px;margin:0 auto;display:grid}.sim-cell{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);text-align:center;cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;flex-direction:column;justify-content:center;align-items:center;gap:6px;min-height:90px;padding:20px 12px;display:flex}.sim-cell:hover,.sim-cell:focus{background:var(--accent-light);border-color:var(--accent);outline:none;transform:scale(1.02)}.sim-cell.active{background:var(--accent-light);border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}.sim-cell-label{font-family:var(--font-sans);color:var(--text-primary);font-size:.825rem;font-weight:600}.sim-cell-object{color:var(--accent);border-radius:var(--radius-full);background:#4338ca14;padding:2px 6px;font-size:.75rem;font-weight:500}.simulator-feedback{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);align-items:center;gap:12px;min-height:48px;margin-top:16px;padding:12px 16px;display:flex}.feedback-icon{color:var(--accent);font-size:1.1rem}.feedback-text{color:var(--text-secondary);font-size:.875rem}.feedback-text strong{color:var(--text-primary)}.wave-sequence-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin:28px 0;display:grid}.wave-step{background:var(--bg-surface-subtle);border:1px solid var(--border-subtle);border-radius:var(--radius-md);flex-direction:column;gap:8px;padding:20px;display:flex}.wave-step-num{font-family:var(--font-mono);color:var(--accent);font-size:.75rem;font-weight:700}.wave-step h4{color:var(--text-primary);font-size:.95rem;font-weight:600}.wave-step p{color:var(--text-secondary);font-size:.85rem;line-height:1.45}.learnings-stack{flex-direction:column;gap:20px;margin-top:32px;display:flex}.learning-row{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);align-items:flex-start;gap:24px;padding:28px;display:flex}.learning-num-box{background:var(--accent-light);width:48px;height:48px;color:var(--accent);border:1px solid var(--accent-subtle);border-radius:var(--radius-sm);font-family:var(--font-mono);flex-shrink:0;justify-content:center;align-items:center;font-size:1.25rem;font-weight:700;display:flex}.learning-content h3{color:var(--text-primary);margin-bottom:6px;font-size:1.15rem;font-weight:600}.learning-content p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}#learnings{border-bottom:none;padding-bottom:120px}.lightbox-modal{-webkit-backdrop-filter:blur(8px);z-index:10000;opacity:0;width:100%;height:100%;transition:opacity var(--transition-normal);background:#121316e0;justify-content:center;align-items:center;padding:32px;display:none;position:fixed;top:0;left:0}.lightbox-modal.active{opacity:1;display:flex}.lightbox-content-box{flex-direction:column;align-items:center;gap:12px;max-width:95vw;max-height:90vh;display:flex;position:relative}.lightbox-image{object-fit:contain;border-radius:var(--radius-sm);max-width:90vw;max-height:80vh;box-shadow:var(--shadow-lg);background:#000}.lightbox-caption{color:var(--text-inverse);text-align:center;max-width:700px;font-size:.9rem}.lightbox-close{color:#18181c;cursor:pointer;width:36px;height:36px;box-shadow:var(--shadow-md);transition:transform var(--transition-fast);background:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;font-weight:700;display:flex;position:absolute;top:-20px;right:-20px}.lightbox-close:hover{transform:scale(1.1)}@media (width<=1024px){.hero-meta-grid{grid-template-columns:repeat(2,1fr)}.journey-timeline{grid-template-columns:repeat(3,1fr)}.principles-grid,.challenge-grid,.wave-sequence-grid{grid-template-columns:repeat(2,1fr)}.shift-grid{grid-template-columns:1fr}}@media (width<=768px){.site-header{height:auto}.header-inner{flex-wrap:wrap;height:auto;padding:10px 16px}.nav-links{white-space:nowrap;-webkit-overflow-scrolling:touch;order:3;width:100%;margin-top:4px;padding-bottom:6px;overflow-x:auto}.hero-meta-grid{grid-template-columns:1fr;gap:16px}.journey-timeline,.principles-grid,.challenge-grid,.wave-sequence-grid{grid-template-columns:1fr}.vs-comparison-grid{text-align:center;grid-template-columns:1fr}.vs-badge-middle{margin:8px auto}.case-section{padding:60px 0}.interaction-block{padding:24px 16px}.footer-inner{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}