@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components,utilities;:root{color:var(--fer-fg-2);background:var(--fer-surface);font-family:Inter,system-ui,-apple-system,sans-serif}html,body,#root{min-height:100%}html{background:var(--fer-surface)}body{text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;overflow-x:hidden}*,:before,:after{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}:root{--fer-surface: #06101a;--fer-surface-deep: #050d15;--fer-surface-high: #06111c;--fer-surface-footer: #050b13;--fer-surface-portrait: #0a1219;--fer-fg-1: #fff;--fer-fg-2: #e6edf3;--fer-text-soft: #eaf6f3;--fer-text-hero: #a3b3c6;--fer-text-stage: #dff5ee;--fer-muted: #8b9aae;--fer-muted-2: #6c7e93;--fer-border: #1c2a39;--fer-border-2: #243446;--fer-border-hairline: rgba(255, 255, 255, .04);--fer-grid-line: rgba(255, 255, 255, .018);--fer-scrim-0: rgba(6, 16, 26, 0);--fer-scrim-10: rgba(6, 16, 26, .1);--fer-scrim-20: rgba(6, 16, 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rgba(94, 234, 212, .2);--fer-mint-a28: rgba(94, 234, 212, .28);--fer-mint-a30: rgba(94, 234, 212, .3);--fer-mint-line: rgba(94, 234, 212, .35);--fer-mint-a40: rgba(94, 234, 212, .4);--fer-mint-glow: rgba(94, 234, 212, .5);--fer-mint-a55: rgba(94, 234, 212, .55);--fer-mint-a70: rgba(94, 234, 212, .7);--fer-verdict-safe-fill: rgba(94, 234, 212, .16);--fer-verdict-candidate-fill: rgba(227, 179, 65, .16);--fer-glow-cyan: rgba(0, 255, 255, .1);--fer-verdict-unassessed: var(--fer-muted);--fer-surface-ondark: #06101a;--fer-surface-deep-ondark: #050d15;--fer-fg-1-ondark: #fff;--fer-fg-2-ondark: #e6edf3;--fer-muted-ondark: #8b9aae;--fer-muted-2-ondark: #6c7e93;--fer-border-2-ondark: #243446;--fer-text-soft-ondark: #eaf6f3;--fer-mint-soft-ondark: rgba(94, 234, 212, .1);--fer-mint-line-ondark: rgba(94, 234, 212, .35);--fer-mint-a04-ondark: rgba(94, 234, 212, .04);--fer-mint-a06-ondark: rgba(94, 234, 212, .06);--fer-mint-a30-ondark: rgba(94, 234, 212, .3);--fer-mint-ink: var(--fer-mint);--fer-mint: #5eead4;--fer-mint-dim: #2dd4bf;--fer-verdict-candidate: #e3b341;--fer-verdict-safe: var(--fer-mint);--fer-on-mint: #06101a;--fer-sans: "Inter", system-ui, -apple-system, sans-serif;--fer-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;--fer-display: "Inter", system-ui, sans-serif;--fer-ease-out: cubic-bezier(.16, 1, .3, 1);--fer-ease-in-out: cubic-bezier(.65, 0, .35, 1);--fer-duration-fast: .12s;--fer-duration-base: .22s;--pad-x: clamp(24px, 6vw, 140px);--sec-y: clamp(96px, 13vw, 180px)}html[data-theme=light]{--fer-surface: #f4f6f9;--fer-surface-deep: #e9edf2;--fer-surface-high: #fbfcfe;--fer-surface-footer: #e7ebf0;--fer-surface-portrait: #e5e9ef;--fer-fg-1: #0b1620;--fer-fg-2: #233240;--fer-muted: #4d5c69;--fer-muted-2: #586773;--fer-text-soft: #233240;--fer-mint-ink: #0c6a60;--fer-border: #dde3e9;--fer-border-2: #74808c;--fer-verdict-safe: #0c6a60;--fer-verdict-candidate: #7a5c08;--fer-verdict-safe-fill: rgba(94, 234, 212, 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var(--pad-x);display:flex;align-items:center;justify-content:space-between;background:var(--fer-scrim-nav);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:background var(--fer-duration-base) var(--fer-ease-out),border-color var(--fer-duration-base) var(--fer-ease-out);border-bottom:1px solid var(--fer-border-hairline)}.nav--hero{background:linear-gradient(180deg,var(--fer-scrim-78) 0%,var(--fer-scrim-0) 100%);border-bottom-color:transparent}.nav.scrolled{background:var(--fer-scrim-nav);border-bottom:1px solid var(--fer-border-hairline)}.nav .brand{display:flex;align-items:center;gap:12px;font-family:var(--fer-sans);font-weight:700;letter-spacing:.18em;color:var(--fer-fg-1-ondark);font-size:14px;text-transform:uppercase}.nav .brand .dot{width:7px;height:7px;border-radius:50%;background:var(--fer-mint);box-shadow:0 0 0 4px var(--fer-mint-soft-ondark),0 0 12px var(--fer-mint)}.nav .right{display:flex;align-items:center;gap:28px}.nav .status{display:flex;align-items:center;gap:10px;font-family:var(--fer-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--fer-muted-2-ondark)}.nav .status .pulse{width:6px;height:6px;border-radius:50%;background:var(--fer-mint);box-shadow:0 0 6px var(--fer-mint);will-change:transform;animation:pulse 2.4s var(--fer-ease-in-out) infinite}.nav .contact-btn{font-family:var(--fer-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--fer-fg-2-ondark);border:1px solid var(--fer-border-2-ondark);padding:9px 16px;border-radius:6px;transition:all var(--fer-duration-base) var(--fer-ease-out);background:none;cursor:pointer}.nav .contact-btn:hover{border-color:var(--fer-mint);color:var(--fer-fg-1-ondark);background:var(--fer-mint-soft-ondark);box-shadow:inset 0 0 0 1px var(--fer-mint-line-ondark)}@media(max-width:820px){.nav .status{display:none}}.theme-toggle{position:relative;display:inline-grid;place-items:center;width:36px;height:36px;color:var(--fer-muted-2-ondark);background:none;border:1px solid transparent;border-radius:6px;cursor:pointer;transition:color var(--fer-duration-base) var(--fer-ease-out),border-color var(--fer-duration-base) var(--fer-ease-out),background var(--fer-duration-base) var(--fer-ease-out)}.theme-toggle:before{content:"";position:absolute;inset:-4px;border-radius:8px}.theme-toggle:hover{color:var(--fer-fg-1-ondark);border-color:var(--fer-border-2-ondark);background:var(--fer-mint-soft-ondark)}.theme-toggle:focus-visible{outline:2px solid var(--fer-mint);outline-offset:2px}.theme-toggle__glyph{display:block;width:16px;height:16px;transition:transform var(--fer-duration-base) var(--fer-ease-out)}.theme-toggle__glyph svg{display:block}html[data-theme=light] .theme-toggle__glyph{transform:rotate(180deg)}@media(prefers-reduced-motion:reduce){.theme-toggle,.theme-toggle__glyph{transition:none}}@keyframes pulse{0%,to{transform:scale(1);opacity:.9}50%{transform:scale(1.35);opacity:1}}.hero{position:relative;min-height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:0 var(--pad-x)}.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}.hero-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.05);filter:contrast(1.02) saturate(.92);will-change:transform}.hero-bg:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 50% at 50% 50%,var(--fer-scrim-10),var(--fer-scrim-55) 60%,var(--fer-scrim-92) 100%),linear-gradient(180deg,var(--fer-scrim-50) 0%,var(--fer-scrim-10) 30%,var(--fer-scrim-20) 60%,var(--fer-surface-ondark) 100%)}.hero-bg:before{content:"";position:absolute;inset:0;z-index:2;background-image:linear-gradient(var(--fer-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--fer-grid-line) 1px,transparent 1px);background-size:80px 80px;mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 75%);pointer-events:none}.hero-inner{position:relative;z-index:3;width:100%;max-width:1280px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:clamp(20px,3vh,36px);padding:clamp(80px,12vh,140px) 0 clamp(80px,12vh,120px)}.hero-eyebrow{display:flex;align-items:center;gap:18px;font-family:var(--fer-mono);font-size:12px;letter-spacing:.32em;color:var(--fer-mint);text-transform:uppercase;opacity:.95}.hero-eyebrow .bar{width:24px;height:1px;background:var(--fer-mint);opacity:.85}.hero-eyebrow .sep{color:var(--fer-muted-2-ondark);opacity:.65}.hero-wordmark{font-family:var(--fer-display);font-weight:700;font-size:clamp(64px,13.5vw,200px);letter-spacing:.16em;line-height:.95;color:var(--fer-fg-1-ondark);text-shadow:0 0 80px var(--fer-mint-a18),0 0 4px var(--fer-glow-cyan);margin-left:.16em;max-width:100%}.hero-sub{font-family:var(--fer-display);font-weight:300;font-size:clamp(20px,2.4vw,34px);letter-spacing:.02em;color:var(--fer-text-soft-ondark);max-width:880px;line-height:1.25}.hero-sub b{color:var(--fer-fg-1-ondark);font-weight:500}.hero-tagline{font-family:var(--fer-sans);font-size:clamp(15px,1.4vw,19px);color:var(--fer-text-hero);max-width:660px;line-height:1.55;font-weight:400;text-shadow:0 1px 2px var(--fer-shadow-text)}.hero-tagline em{color:var(--fer-mint);font-style:normal;font-weight:500}.hero-divider{width:1px;height:80px;background:linear-gradient(180deg,transparent 0%,var(--fer-mint) 50%,transparent 100%);opacity:.55;margin-top:8px}.hero-meta{position:absolute;left:var(--pad-x);right:var(--pad-x);bottom:36px;z-index:4;display:flex;align-items:center;justify-content:space-between;font-family:var(--fer-mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--fer-muted-2-ondark);pointer-events:none}.hero-meta .scroll{display:flex;align-items:center;gap:10px}.hero-meta .scroll .arrow{width:14px;height:14px;display:inline-block;border-right:1px solid var(--fer-mint);border-bottom:1px solid var(--fer-mint);transform:rotate(45deg);animation:bob 2.4s var(--fer-ease-in-out) infinite}@keyframes bob{0%,to{transform:rotate(45deg) translate(0);opacity:.7}50%{transform:rotate(45deg) translate(3px,3px);opacity:1}}.hero-meta .coord{color:var(--fer-mint);opacity:.8}@media(max-width:680px){.hero-meta{font-size:10px;letter-spacing:.22em}.hero-meta .lhs{display:none}}.landing-section{position:relative;padding:var(--sec-y) var(--pad-x)}.container{max-width:1320px;margin:0 auto;width:100%}.section-head{display:flex;flex-direction:column;gap:18px;margin-bottom:64px}.section-head h2{font-family:var(--fer-display);font-weight:700;font-size:clamp(32px,4.6vw,64px);color:var(--fer-fg-1);line-height:1.05;letter-spacing:-.02em;max-width:18ch}.section-head h2 .accent{color:var(--fer-mint-ink)}.section-head p{font-size:clamp(16px,1.4vw,20px);color:var(--fer-muted);max-width:62ch;line-height:1.55;font-weight:400}.problem{background:var(--fer-surface);position:relative}.problem .container{position:relative;z-index:1}.problem{display:flex;flex-direction:column;justify-content:center;min-height:82vh}.problem .section-head{margin-bottom:0}.problem-insight{max-width:60ch;font-family:var(--fer-mono);font-size:clamp(13px,1.1vw,15px);line-height:1.65;letter-spacing:.005em;color:var(--fer-muted-2)}.control{background:radial-gradient(ellipse 1100px 800px at 50% 56%,var(--fer-mint-a06-ondark),transparent 62%),radial-gradient(ellipse 1200px 600px at 85% 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svg{width:100%;height:100%;display:block;overflow:visible}.diagram .core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:38%;aspect-ratio:1 / 1;border-radius:50%;background:radial-gradient(circle at 50% 45%,var(--fer-mint-a18) 0%,var(--fer-mint-a06-ondark) 40%,transparent 70%);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none}.diagram .core .core-label{font-family:var(--fer-mono);font-size:10px;letter-spacing:.28em;color:var(--fer-mint);text-transform:uppercase}.diagram .core .core-title{font-family:var(--fer-display);font-weight:700;font-size:clamp(20px,2.2vw,28px);color:var(--fer-fg-1-ondark);line-height:1.1;margin-top:8px;letter-spacing:-.01em}.diagram .core .core-sub{font-family:var(--fer-display);font-weight:300;font-size:clamp(11px,1vw,13px);color:var(--fer-muted-ondark);margin-top:6px;letter-spacing:.04em}.diagram .core 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