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1fr;height:100%;display:grid}.compare-card{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-2);box-shadow:var(--shadow);padding:22px}.compare-card h3{font-family:var(--display);color:var(--ink);margin:0 0 12px;font-size:1.25rem}.compare-card ul{font-size:var(--fs-label);color:var(--body);gap:8px;margin:0;padding-left:1.1rem;display:grid}.card-grid{gap:var(--gap-sm);grid-template-columns:repeat(2,1fr);display:grid}.app-card{border-radius:var(--radius);background:var(--bg-2);border:1px solid var(--border);box-shadow:var(--shadow);padding:18px}.app-card .icon{width:40px;height:40px;color:var(--ink);background:#2563eb1a;border-radius:12px;place-items:center;margin-bottom:10px;font-size:.78rem;font-weight:700;display:grid}.app-card h3{color:var(--ink);font-size:1.05rem;font-family:var(--display);margin:0 0 6px}.app-card p{color:var(--body);font-size:var(--fs-label);margin:0;line-height:1.4}.roadmap{margin-top:var(--gap-sm);grid-template-columns:repeat(5,1fr);gap:12px;display:grid}.roadmap-step{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:center;box-shadow:var(--shadow);padding:14px 12px}.roadmap-step strong{font-size:var(--fs-small);color:var(--accent);letter-spacing:.06em;margin-bottom:6px;display:block}.roadmap-step span{font-size:var(--fs-diagram);color:var(--ink);font-weight:600;line-height:1.3}.viz-pipeline{justify-items:center;gap:10px;width:100%;max-width:360px;display:grid}.visual-panel .viz-pipeline{max-width:none}.visual-panel .viz-flow-line{height:12px}.viz-sources{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.viz-chip{border:1px solid var(--border-strong);background:var(--bg-2);color:var(--body);font-size:var(--fs-small);border-radius:999px;padding:6px 11px;font-weight:600}.viz-flow-line{background:#2563eb59;border-radius:2px;width:2px;height:16px}.viz-stage{text-align:center;border-radius:var(--radius-sm);background:var(--bg-2);border:1px solid var(--border);width:100%;box-shadow:var(--shadow);padding:12px 14px}.viz-stage.accent{color:#fff;background:linear-gradient(145deg,#2563eb,#0ea5a4);border-color:#0000}.viz-stage.soft{background:#f2f7fb}.viz-stage strong{font-size:var(--fs-diagram);font-family:var(--display);display:block}.viz-stage span{opacity:.85;font-size:12px}.viz-caption{color:var(--muted);font-size:var(--fs-diagram);text-align:center;margin:0;line-height:1.35}.fourvs{aspect-ratio:auto;place-items:center;width:min(860px,100%);height:min(340px,52vh);display:grid;position:relative}.fourvs-core{background:var(--ink);color:#fff;text-align:center;z-index:2;border-radius:50%;place-content:center;width:118px;height:118px;display:grid;box-shadow:0 12px 32px #1720332e}.fourvs-core-label{font-family:var(--display);letter-spacing:.05em;font-size:15px;font-weight:700}.fourvs-core-sub{color:#ffffffb8;margin-top:2px;font-size:12px}.fourvs-lines{z-index:0;width:100%;height:100%;position:absolute;inset:0}.fourvs-card{background:var(--bg-2);border:1px solid var(--border-strong);border-radius:var(--radius);width:38%;box-shadow:var(--shadow);z-index:1;gap:4px;padding:14px 16px;display:grid;position:absolute}.fourvs-tl{top:0;left:0}.fourvs-tr{text-align:right;top:0;right:0}.fourvs-bl{bottom:0;left:0}.fourvs-br{text-align:right;bottom:0;right:0}.fourvs-card strong{font-family:var(--display);color:var(--accent);letter-spacing:.06em;font-size:15px}.fourvs-meaning{color:var(--ink);font-size:16px;font-weight:600}.fourvs-eg{color:var(--body);font-size:13px}.data-types{gap:var(--gap-md);grid-template-columns:repeat(4,1fr);align-items:stretch;width:100%;display:grid}.data-type-col{background:var(--bg-2);border:1px solid var(--border-strong);border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);align-content:start;justify-items:center;gap:10px;min-height:220px;padding:22px 16px;display:grid}.data-type-icon{width:48px;height:48px;color:var(--accent);background:#2563eb14;border-radius:14px;place-items:center;margin-bottom:4px;display:grid}.data-type-col h3{font-family:var(--display);font-size:var(--fs-diagram);color:var(--ink);margin:0}.data-type-def{color:var(--body);margin:0;font-size:14px;line-height:1.35}.data-type-eg{color:var(--muted);margin:0;font-size:13px;font-weight:500}.scale-hero{grid-template-columns:1fr 1fr;align-items:stretch;gap:0;width:min(960px,100%);height:100%;margin-inline:auto;display:grid}.scale-hero-pane{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:8px 16px;display:flex;position:relative}.scale-hero-pane+.scale-hero-pane{border-left:1px solid var(--border-strong);padding-left:calc(var(--gap-lg) + 8px);margin-left:0}.scale-hero-pane h3{font-family:var(--display);color:var(--ink);margin:0;font-size:1.35rem}.scale-up-viz{justify-content:center;align-items:flex-end;gap:10px;min-height:120px;display:flex}.scale-up-solo{flex-direction:column;flex:1;justify-content:space-evenly;align-items:center;gap:10px;width:100%;height:100%;min-height:300px;display:flex}.server-tower{border-radius:var(--radius-sm);background:var(--bg-2);border:1px solid var(--border);color:var(--accent);box-shadow:var(--shadow);justify-items:center;gap:8px;min-width:min(180px,100%);padding:18px 20px;display:grid}.scale-up-solo .server-tower{width:min(280px,92%);padding:22px 24px}.scale-up-solo .server-tower svg{width:48px;height:48px}.scale-up-solo .server-tower.t3 svg{width:64px;height:64px}.scale-up-solo .server-tower strong{font-size:clamp(1.1rem,1.35vw,1.4rem)}.scale-up-solo .server-tower span{font-size:clamp(.95rem,1.1vw,1.1rem)}.server-tower.t1,.server-tower.t2{transform:none}.server-tower.t3{background:#f2f7fb;border-color:#2563eb38;min-width:min(280px,100%);transform:none}.server-tower strong{color:var(--ink);font-size:clamp(.95rem,1.1vw,1.15rem)}.server-tower span{color:var(--muted);font-size:clamp(.8rem,.95vw,.95rem)}.scale-arrow-h{color:var(--accent);padding-bottom:28px;font-weight:700}.scale-out-viz{flex-wrap:wrap;justify-content:center;gap:12px;width:100%;display:flex;position:relative}.scale-out-solo{flex:1;align-content:space-evenly;justify-items:center;gap:16px;width:100%;height:100%;min-height:300px;display:grid}.server-row-viz{grid-template-columns:1fr 1fr;gap:14px;width:100%;max-width:none;display:grid}.server-node{border-radius:var(--radius-sm);background:var(--bg-2);border:1px solid var(--border);box-shadow:var(--shadow);color:var(--ink);justify-items:center;gap:6px;padding:14px 16px;font-size:13px;font-weight:600;display:grid}.server-node.large{place-content:center;min-height:112px;padding:26px 16px;font-size:clamp(1.1rem,1.25vw,1.3rem)}.server-node.large svg{width:40px;height:40px}.server-node svg{color:var(--accent)}.scale-mesh{opacity:.7;pointer-events:none;width:80%;position:absolute;inset:20% 10% auto}.scale-pane-copy{font-size:var(--fs-label);color:var(--body);max-width:280px;margin:0;line-height:1.4}.scale-badge{color:var(--accent);font-weight:700;font-size:var(--fs-small);letter-spacing:.04em;background:#2563eb1a;border-radius:999px;margin-top:auto;padding:8px 14px}.scale-badge.out{color:#0f766e;background:#0ea5a41f}.scale-upgrade{text-align:center;color:var(--muted);font-weight:700;font-size:var(--fs-label);justify-items:center;gap:2px;display:grid}.scale-upgrade-arrow{color:var(--accent);font-size:1.35rem;line-height:1}.scale-upgrade 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strong{font-family:var(--display);font-size:var(--fs-diagram);color:var(--ink)}.arch-eg{color:var(--muted);font-size:12px;line-height:1.3}.arch-arrow{color:var(--accent);z-index:2;font-weight:700;position:absolute;top:50%;right:-14px;transform:translateY(-50%)}.arch-glyph{border-radius:8px;width:52px;height:36px;margin-bottom:4px}.arch-dots{background:radial-gradient(circle at 20% 40%,#2563eb 2px,#0000 3px),radial-gradient(circle at 50% 60%,#38bdf8 2px,#0000 3px),radial-gradient(circle at 80% 35%,#0ea5a4 2px,#0000 3px),#eef4fb}.arch-streams{opacity:.85;background:linear-gradient(90deg,#0000,#93c5fd 20%,#67e8f9 50%,#93c5fd 80%,#0000)}.arch-blocks{background:linear-gradient(#bfdbfe,#bfdbfe) 8px 8px/14px 10px no-repeat,linear-gradient(#93c5fd,#93c5fd) 28px 8px/14px 10px no-repeat,linear-gradient(#60a5fa,#60a5fa) 8px 22px/14px 10px no-repeat,linear-gradient(#38bdf8,#38bdf8) 28px 22px/14px 10px no-repeat,#eef4fb}.arch-nodes{background:radial-gradient(circle at 25%,#2563eb 5px,#0000 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svg{width:min(480px,100%);height:auto}.cap-legend{text-align:center;gap:4px;display:grid}.cap-legend p{font-size:var(--fs-small);color:var(--body);margin:0}.oltp-olap{gap:var(--gap-lg);grid-template-rows:1fr auto;grid-template-columns:1fr 1fr;height:100%;display:grid}.oo-pane{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:12px;padding:20px;display:flex}.oo-pane h3{font-family:var(--display);color:var(--ink);margin:0;font-size:1.4rem}.oo-tagline{font-size:var(--fs-label);color:var(--accent);margin:0;font-weight:600}.oo-story{flex:1;justify-items:start;gap:8px;display:grid}.oo-step{border-radius:var(--radius-sm);font-weight:600;font-size:var(--fs-diagram);color:var(--ink);background:#f2f7fb;padding:10px 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span{background:var(--bg-2);border:1px solid var(--border);font-size:var(--fs-small);color:var(--body);border-radius:999px;padding:6px 12px;font-weight:600}.nosql-need{color:var(--muted);font-size:var(--fs-small);font-weight:600}.nosql-types{grid-template-columns:repeat(4,1fr);gap:10px;width:100%;display:grid}.nosql-types div{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:center;box-shadow:var(--shadow);padding:12px}.nosql-types strong{color:var(--ink);font-size:var(--fs-diagram);margin-bottom:4px;display:block}.nosql-types span{color:var(--muted);font-size:12px}.stack-layers,.cloud-stack{gap:8px;width:min(420px,100%);display:grid}.stack-layer,.cloud-layer{border-radius:var(--radius-sm);color:#fff;background:color-mix(in srgb, #172033 100%, #2563eb calc(var(--i,0) * 12%));align-items:center;gap:14px;padding:12px 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span{opacity:.9;font-size:12px}.analytics-stairs{gap:14px;width:100%;display:grid}.stairs-context{color:var(--muted);font-size:var(--fs-small);align-items:center;gap:8px;font-weight:600;display:inline-flex}.stairs{grid-template-columns:repeat(4,1fr);align-items:end;gap:12px;display:grid}.stair{border-radius:var(--radius);color:#fff;min-height:calc(120px + var(--step) * 28px);box-shadow:var(--shadow);gap:8px;padding:16px 14px;display:grid}.stair-d1{background:#60a5fa}.stair-d2{background:#3b82f6}.stair-d3{background:#2563eb}.stair-d4{background:#172033}.stair strong{font-family:var(--display);letter-spacing:.06em;font-size:13px}.stair-eg{font-size:var(--fs-diagram);font-weight:600;line-height:1.3}.stair-q{opacity:.9;font-size:13px}.topology-compare{gap:var(--gap-sm);grid-template-columns:repeat(3,1fr);width:100%;display:grid}.topology-pane{background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.topology-pane h3{font-family:var(--display);color:var(--ink);margin:0 0 10px}.topology-dots{background:radial-gradient(circle at 20%,#2563ebb3 3px,#0000 4px),radial-gradient(circle at 45% 35%,#0ea5a4a6 3px,#0000 4px),radial-gradient(circle at 70% 60%,#2563eb80 3px,#0000 4px),radial-gradient(circle at 88% 40%,#38bdf899 3px,#0000 4px),#f2f7fb;border-radius:10px;height:36px;margin-bottom:12px}.topology-pane ul{font-size:var(--fs-label);color:var(--body);gap:6px;margin:0;padding-left:1.1rem;display:grid}.size-scale{grid-template-columns:repeat(9,1fr);align-items:end;gap:8px;width:100%;display:grid}.size-step{text-align:center;justify-items:center;gap:6px;display:grid}.size-dot{width:calc(12px + var(--s) * 5px);height:calc(12px + var(--s) * 5px);opacity:calc(.45 + var(--s) * .06);background:linear-gradient(145deg,#2563eb,#0ea5a4);border-radius:50%}.size-step strong{font-size:var(--fs-diagram);color:var(--ink)}.size-step 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