:root{--ink-strong: #1a1206;--ink: #33281a;--ink-soft: #5c5040;--line: rgba(40, 30, 12, .14);--panel: rgba(255, 252, 246, .86);--panel-strong: rgba(255, 255, 255, .94);--accent: #92400e;--on-accent: #ffffff;--ok: #156a46;--alarm: #ad2d19;--on-alarm: #ffffff;--mallory: #8b2fc9;--shadow: 0 20px 60px rgba(60, 40, 10, .14);--mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;--sans: "Space Grotesk", "Segoe UI", system-ui, sans-serif;--surface-bg: linear-gradient(180deg, #fff8ee 0%, #f6efe6 100%);--surface-radial-1: rgba(180, 83, 9, .12);--surface-radial-2: rgba(139, 47, 201, .08);--input-bg: rgba(255, 250, 242, .92);--mono-block-bg: #1d1608;--mono-block-fg: #f7f0e4;--surface-solid: #f6efe6;color-scheme:light;font-family:var(--sans);color:var(--ink);background:radial-gradient(circle at top left,var(--surface-radial-1),transparent 34%),radial-gradient(circle at top right,var(--surface-radial-2),transparent 30%),var(--surface-bg);background-color:var(--surface-solid);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=dark]{color-scheme:dark;--ink-strong: #f6efe2;--ink: #ded5c6;--ink-soft: #ab9f8c;--line: rgba(220, 205, 175, .14);--panel: rgba(32, 27, 18, .88);--panel-strong: rgba(40, 34, 22, .94);--accent: #ffb84d;--on-accent: #1a1206;--ok: #4cd9a0;--alarm: #ff6f5c;--on-alarm: #240705;--mallory: #c98bff;--shadow: 0 20px 60px rgba(0, 0, 0, .4);--surface-bg: linear-gradient(180deg, #15110a 0%, #1d1810 100%);--surface-radial-1: rgba(255, 184, 77, .08);--surface-radial-2: rgba(201, 139, 255, .07);--input-bg: rgba(24, 20, 12, .9);--mono-block-bg: #0e0b05;--mono-block-fg: #ece3d4;--surface-solid: #15110a}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;-webkit-text-size-adjust:100%}.skip-link{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden;z-index:100;padding:12px 18px;background-color:var(--accent);color:var(--on-accent);font-weight:700;border-radius:0 0 12px;text-decoration:none}.skip-link:focus{position:fixed;left:0;top:0;width:auto;height:auto}button{font:inherit;cursor:pointer}#app{min-height:100vh}.page-shell{width:min(1080px,calc(100% - 32px));margin:0 auto;padding:28px 0 56px}.hero-panel,.lab-section{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.hero-panel{position:relative;display:grid;gap:16px;padding:32px;border:1px solid var(--line);border-radius:26px;background-color:var(--panel);box-shadow:var(--shadow);scroll-margin-top:calc(var(--cl-header-h, 56px) + 64px)}.eyebrow{margin:0;color:var(--accent);font-size:.85rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.hero-panel h1{margin:0;font-size:clamp(2.2rem,6vw,3.6rem);line-height:1;color:var(--ink-strong)}.hero-text{max-width:70ch;margin:0;color:var(--ink-soft);line-height:1.65}.hero-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:6px}.hero-step{padding:14px 16px;border:1px solid var(--line);border-radius:16px;background-color:var(--panel-strong)}.hero-step b{color:var(--ink-strong)}.hero-step .mono-inline{margin-top:8px}.lab-section{margin-top:24px;padding:28px;border:1px solid var(--line);border-radius:26px;background-color:var(--panel);box-shadow:var(--shadow);scroll-margin-top:calc(var(--cl-header-h, 56px) + 64px)}.section-kicker{margin:0 0 6px;color:var(--accent);font-size:.82rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.lab-section h2{margin:0;font-size:clamp(1.5rem,3.4vw,2.2rem);color:var(--ink-strong)}.section-intro{max-width:72ch;margin:10px 0 0;color:var(--ink-soft);line-height:1.65}.panel-card{padding:20px;border:1px solid var(--line);border-radius:20px;background-color:var(--panel-strong)}.panel-card h3{margin:0 0 4px;font-size:1.05rem;color:var(--ink-strong)}.controls{display:flex;flex-wrap:wrap;gap:14px 18px;align-items:flex-end;margin-top:18px}.field{display:grid;gap:6px}.field label{font-size:.78rem;font-weight:700;letter-spacing:.04em;color:var(--ink-soft)}.field input,.field select{font:inherit;padding:10px 12px;min-height:44px;border:1px solid var(--line);border-radius:12px;background-color:var(--input-bg);color:var(--ink-strong)}.field input{width:9rem;font-family:var(--mono)}.field select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:1.8rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%238b949e' stroke-width='2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .6rem center}.field--wide select{min-width:18rem;max-width:100%}.field input:focus-visible,.field select:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;min-height:44px;border:1px solid var(--accent);border-radius:12px;background-color:var(--accent);color:var(--on-accent);font-weight:700;transition:transform .15s ease,filter .15s ease}.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}.btn--ghost{background-color:transparent;color:var(--ink-strong);border-color:var(--line)}.btn--danger{background-color:var(--alarm);border-color:var(--alarm);color:var(--on-alarm)}.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;filter:none}.mono-inline{font-family:var(--mono);padding:12px 14px;border-radius:12px;overflow-wrap:anywhere;background-color:var(--mono-block-bg);color:var(--mono-block-fg);letter-spacing:.04em;font-size:.92rem}.mono-scroll{display:inline-block;max-width:100%;vertical-align:bottom;font-family:var(--mono);overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}.muted{color:var(--ink-soft)}.scripture-footer{text-align:center;padding:2rem 1rem;font-size:.85rem;border-top:1px solid var(--line);color:var(--ink-soft);margin-top:2rem}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.status{display:inline-flex;align-items:center;gap:8px;font-weight:700;margin-top:12px}.status:before{font-size:1.05em}.status--ok{color:var(--ok)}.status--ok:before{content:"✅"}.status--alarm{color:var(--alarm)}.status--alarm:before{content:"🚨"}.status--info{color:var(--accent)}.status--info:before{content:"ℹ️"}.kv{display:grid;grid-template-columns:minmax(140px,max-content) 1fr;gap:8px 16px;margin-top:14px;align-items:baseline}.kv dt{color:var(--ink-soft);font-weight:700;font-size:.86rem}.kv dt{min-width:0}.kv dd{margin:0;min-width:0;font-family:var(--mono);overflow-wrap:anywhere;color:var(--ink-strong)}@media (max-width: 440px){.kv{grid-template-columns:1fr;gap:4px 0}.kv dd{margin-bottom:6px}}.threat-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.threat-chip{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;border-radius:999px;font-size:.76rem;font-weight:700;border:1px solid var(--line)}.threat-chip--yes{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent);background-color:color-mix(in srgb,var(--ok) 12%,transparent)}.threat-chip--no{color:var(--alarm);border-color:color-mix(in srgb,var(--alarm) 40%,transparent);background-color:color-mix(in srgb,var(--alarm) 12%,transparent)}.toy-banner{display:flex;gap:10px;align-items:baseline;margin-top:16px;padding:12px 14px;border:1px dashed color-mix(in srgb,var(--accent) 45%,transparent);border-radius:14px;background-color:color-mix(in srgb,var(--accent) 8%,transparent);color:var(--ink-soft);font-size:.86rem;line-height:1.5}.toy-banner-tag{flex:0 0 auto;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem}.wire{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:8px;align-items:stretch;margin-top:20px}.party{display:grid;gap:10px;align-content:start;padding:16px;border:1.5px solid var(--line);border-radius:18px;background-color:var(--panel-strong)}.party--alice,.party--bob{border-color:color-mix(in srgb,var(--accent) 55%,transparent)}.party--mallory{border-color:color-mix(in srgb,var(--mallory) 60%,transparent);background-color:color-mix(in srgb,var(--mallory) 9%,var(--panel-strong))}.party h4{margin:0;font-size:1rem;color:var(--ink-strong);display:flex;align-items:center;gap:8px}.party--mallory h4{color:var(--mallory)}.party .role{font-size:.78rem;color:var(--ink-soft);font-weight:600}.wire-gap{display:grid;place-items:center;color:var(--ink-soft);font-family:var(--mono);font-size:.74rem;min-width:56px}.wire-gap .arrow{font-size:1.3rem;line-height:1}.wire-gap--cut .arrow{color:var(--alarm)}@media (max-width: 760px){.wire{grid-template-columns:1fr}.wire-gap{transform:rotate(90deg);padding:4px 0}}.key-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:20px}.key-card{padding:16px;border:1.5px solid var(--line);border-radius:16px;background-color:var(--panel-strong)}.key-card .key-label{font-size:.8rem;font-weight:700;color:var(--ink-soft)}.key-card .key-value{margin-top:8px;font-family:var(--mono);font-size:1.1rem;font-weight:700;color:var(--ink-strong);overflow-wrap:anywhere}.key-card--alarm{border-color:color-mix(in srgb,var(--alarm) 55%,transparent);background-color:color-mix(in srgb,var(--alarm) 10%,var(--panel-strong))}.key-card--ok{border-color:color-mix(in srgb,var(--ok) 55%,transparent);background-color:color-mix(in srgb,var(--ok) 10%,var(--panel-strong))}.steps{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}.steps li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background-color:var(--panel-strong);line-height:1.55}.steps li>span{min-width:0;overflow-wrap:anywhere}.steps li .n{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background-color:var(--accent);color:var(--on-accent);font-weight:700;font-size:.85rem}.steps li.is-cut .n{background-color:var(--mallory);color:var(--on-accent)}.stepper{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}.stepper-label{font-weight:700;color:var(--ink-soft);font-size:.86rem;min-width:8rem}.steps li.is-hidden{display:none}.steps li.is-active{border-color:color-mix(in srgb,var(--mallory) 50%,transparent);box-shadow:0 0 0 2px color-mix(in srgb,var(--mallory) 22%,transparent)}.steps li{transition:box-shadow .16s ease,border-color .16s ease}.chart-figure{margin:14px 0 0}.chart-figure figcaption{font-size:.82rem;font-weight:700;color:var(--ink-soft);margin-bottom:8px}.chart-figure svg{width:100%;height:auto}.chart-label{font-family:var(--mono);font-size:13px;fill:var(--ink-soft)}.chart-value{font-family:var(--mono);font-size:13px;font-weight:700;fill:var(--ink-strong)}.chart-bar--toy{fill:var(--accent)}.chart-bar--real{fill:var(--alarm)}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:16px}.cost-table{width:100%;border-collapse:collapse;font-size:.9rem}.cost-table th,.cost-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}.cost-table th{color:var(--ink-strong);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}.cost-table td{font-family:var(--mono);color:var(--ink)}.cost-table tr.is-current td{background-color:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--ink-strong)}.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.compare-col{padding:20px;border:1.5px solid var(--line);border-radius:18px;background-color:var(--panel-strong)}.compare-col--broken{border-color:color-mix(in srgb,var(--alarm) 50%,transparent)}.compare-col--safe{border-color:color-mix(in srgb,var(--ok) 50%,transparent)}.compare-col h3{margin:0 0 4px;color:var(--ink-strong)}.compare-col ul{margin:12px 0 0;padding-left:20px;line-height:1.6;color:var(--ink-soft)}@media (max-width: 720px){.compare{grid-template-columns:1fr}}.takeaways{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:12px}.takeaways li{padding:14px 16px;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:0 14px 14px 0;background-color:var(--panel-strong);line-height:1.6;color:var(--ink)}.takeaways li b{color:var(--ink-strong)}.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.related a{padding:8px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--accent);font-size:.86rem;font-weight:600}.related a:hover{border-color:var(--accent)}.section-nav{position:sticky;top:var(--cl-header-h, 56px);z-index:900;display:flex;flex-wrap:wrap;gap:6px;margin-top:18px;padding:8px;border:1px solid var(--line);border-radius:14px;background-color:color-mix(in srgb,var(--panel-strong) 90%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.section-nav a{padding:7px 13px;border-radius:999px;text-decoration:none;color:var(--ink-soft);font-size:.82rem;font-weight:700}.section-nav a:hover{color:var(--accent)}.section-nav a[aria-current=true]{background-color:var(--accent);color:var(--on-accent)}.section-nav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.reuse-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}@media (max-width: 760px){.reuse-grid{grid-template-columns:1fr}}.ref-list{margin:8px 0 0;padding-left:20px;display:grid;gap:10px;line-height:1.5}.ref-list a{color:var(--accent);font-weight:600}.glossary{margin:8px 0 0;display:grid;gap:4px}.glossary dt{font-weight:700;color:var(--ink-strong);margin-top:8px}.glossary dd{margin:0;color:var(--ink-soft);line-height:1.5}.intercept{margin-top:18px;border-color:color-mix(in srgb,var(--mallory) 35%,var(--line))}.panel-copy{margin:6px 0 0;color:var(--ink-soft);line-height:1.6}.field--grow{flex:1 1 15rem}.field--grow input{width:100%;font-family:var(--sans)}.reveal-plain{font-family:var(--mono);font-weight:700;color:var(--ink-strong)}.reveal-bad{font-weight:700;color:var(--alarm)}.copy-chip{display:inline-flex;align-items:center;gap:5px;margin-left:8px;padding:3px 9px;border:1px solid var(--line);border-radius:999px;background-color:transparent;color:var(--ink-soft);font-size:.74rem;font-weight:600;vertical-align:middle}.copy-chip:hover{border-color:var(--accent);color:var(--accent)}.copy-chip--ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 45%,transparent)}