@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-wght-normal.DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-ext-wght-normal.DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-wght-normal.CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-vietnamese-wght-normal.CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-wght-normal.DO1Apj_S.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-wght-normal.Dx4kXJAl.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-cyrillic-ext-wght-normal.EocZY2iu.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-cyrillic-wght-normal.D73BlboJ.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-greek-wght-normal.Bw9x6K1M.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-vietnamese-wght-normal.Bt-aOZkq.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-ext-wght-normal.DBQx-q_a.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/assets/jetbrains-mono-latin-wght-normal.B9CIFXIH.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--bg: #0F0E14;--bg-elev: #17151F;--border: #262233;--text: #E8E6F0;--text-muted: #A09CB0;--accent: #8871D9;--accent-hover: #9A85E2;--link: #B0A0E7;--link-hover: #C6BAF0;--on-accent: #0F0E14;--accent-subtle: rgba(136, 113, 217, .12);color-scheme:dark}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg: #FBFAFD;--bg-elev: #FFFFFF;--border: #E4E1EC;--text: #16141C;--text-muted: #5C5768;--accent: #6244B8;--accent-hover: #513897;--link: #6244B8;--link-hover: #513897;--on-accent: #FFFFFF;--accent-subtle: rgba(98, 68, 184, .08);color-scheme:light}}:root[data-theme=light]{--bg: #FBFAFD;--bg-elev: #FFFFFF;--border: #E4E1EC;--text: #16141C;--text-muted: #5C5768;--accent: #6244B8;--accent-hover: #513897;--link: #6244B8;--link-hover: #513897;--on-accent: #FFFFFF;--accent-subtle: rgba(98, 68, 184, .08);color-scheme:light}:root{--font-sans: "Inter Variable", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono Variable", ui-monospace, "SFMono-Regular", Menlo, monospace;--fs-900: clamp(2.25rem, 1.6rem + 3vw, 3.5rem);--fs-800: clamp(1.875rem, 1.4rem + 2vw, 2.625rem);--fs-700: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);--fs-600: clamp(1.25rem, 1.1rem + .6vw, 1.5rem);--fs-500: 1.125rem;--fs-400: 1rem;--fs-300: .875rem;--fs-200: .8125rem;--space-section: clamp(4.5rem, 3rem + 6vw, 8rem);--space-block: clamp(2rem, 1.5rem + 2vw, 3.5rem);--container: 72rem;--container-narrow: 46rem;--radius: .5rem;--border-w: 1px;--header-h: 4.5rem}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--fs-400);line-height:1.65;color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,picture,svg,video{display:block;max-width:100%;height:auto}input,button,textarea,select{font:inherit;color:inherit}h1,h2,h3,h4{line-height:1.15;font-weight:650;letter-spacing:-.02em;text-wrap:balance}h1{font-size:var(--fs-800)}h2{font-size:var(--fs-700)}h3{font-size:var(--fs-600);font-weight:600}h4{font-size:var(--fs-500);font-weight:600}p{max-width:68ch}a{color:var(--link);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--link) 40%,transparent);text-underline-offset:.18em;transition:color .12s ease,text-decoration-color .12s ease}a:hover{color:var(--link-hover);text-decoration-color:currentColor}strong{font-weight:600}code,kbd,pre{font-family:var(--font-mono);font-size:.9em}:not(pre)>code{background:var(--bg-elev);border:var(--border-w) solid var(--border);border-radius:.3em;padding:.1em .35em}::selection{background:var(--accent);color:var(--on-accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}:focus:not(:focus-visible){outline:none}.skip-link{position:absolute;top:-100%;left:1rem;z-index:100;background:var(--accent);color:var(--on-accent);font-weight:600;padding:.6rem 1.1rem;border-radius:0 0 var(--radius) var(--radius);text-decoration:none}.skip-link:focus-visible{top:0;color:var(--on-accent)}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}.container--narrow{max-width:var(--container-narrow)}.section{padding-block:var(--space-section)}.section+.section{padding-top:0}.section-head{max-width:56rem;margin-bottom:var(--space-block)}.section-head p{margin-top:1rem;color:var(--text-muted);font-size:var(--fs-500)}.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:var(--fs-200);font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:.9rem}.eyebrow:before{content:"// ";color:var(--text-muted)}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:var(--border-w) solid var(--border)}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:var(--header-h);flex-wrap:wrap;padding-block:.5rem}.brand{display:inline-flex;align-items:center;text-decoration:none;flex-shrink:0}.brand img{width:clamp(10rem,19vw,13.25rem);height:auto}.theme-dark-only{display:none}:root[data-theme=dark] .theme-dark-only{display:block}:root[data-theme=dark] .theme-light-only{display:none}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-dark-only{display:block}:root:not([data-theme=light]) .theme-light-only{display:none}}.main-nav ul{display:flex;align-items:center;gap:.25rem;list-style:none;padding:0;flex-wrap:wrap}.main-nav a{display:inline-block;padding:.45rem .8rem;border-radius:var(--radius);color:var(--text-muted);text-decoration:none;font-size:var(--fs-300);font-weight:500}.main-nav a:hover{color:var(--text);background:var(--bg-elev)}.main-nav a[aria-current=page]{color:var(--text)}.main-nav a[aria-current=page]:after{content:"";display:block;height:2px;margin-top:2px;background:var(--accent);border-radius:2px}.header-actions{display:flex;align-items:center;gap:.75rem}.theme-toggle{display:none;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:var(--border-w) solid var(--border);border-radius:var(--radius);background:transparent;color:var(--text-muted);cursor:pointer}.theme-toggle:hover{color:var(--text);border-color:var(--text-muted)}:root.js .theme-toggle{display:inline-flex}.theme-toggle .icon-sun,.theme-toggle .icon-moon{width:1.1rem;height:1.1rem}.theme-toggle .icon-moon{display:none}:root[data-theme=dark] .theme-toggle .icon-sun{display:none}:root[data-theme=dark] .theme-toggle .icon-moon{display:block}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .theme-toggle .icon-sun{display:none}:root:not([data-theme=light]) .theme-toggle .icon-moon{display:block}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.4rem;border-radius:var(--radius);border:var(--border-w) solid transparent;font-weight:600;font-size:var(--fs-300);text-decoration:none;cursor:pointer;transition:background-color .12s ease,border-color .12s ease,color .12s ease}.btn-primary{background:var(--accent);color:var(--on-accent)}.btn-primary:hover{background:var(--accent-hover);color:var(--on-accent)}.btn-secondary{background:transparent;border-color:var(--border);color:var(--text)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.hero{position:relative;padding-block:clamp(4rem,3rem + 6vw,8rem);overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 70% 0%,var(--accent-subtle),transparent 70%);pointer-events:none}.hero .container{position:relative}.hero h1{font-size:var(--fs-900);max-width:20ch}.hero .lead{margin-top:1.5rem;font-size:var(--fs-500);color:var(--text-muted);max-width:52ch}.hero .hero-actions{display:flex;gap:1rem;margin-top:2.5rem;flex-wrap:wrap}.page-hero{padding-block:clamp(3rem,2rem + 4vw,5.5rem) clamp(2.5rem,2rem + 2vw,4rem);border-bottom:var(--border-w) solid var(--border)}.page-hero h1{max-width:22ch}.page-hero .lead{margin-top:1.25rem;font-size:var(--fs-500);color:var(--text-muted);max-width:56ch}.breadcrumb{font-family:var(--font-mono);font-size:var(--fs-200);color:var(--text-muted);margin-bottom:1.5rem}.breadcrumb ol{display:flex;gap:.5rem;list-style:none;padding:0;flex-wrap:wrap}.breadcrumb li+li:before{content:"/";margin-right:.5rem;color:var(--border)}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover,.breadcrumb [aria-current]{color:var(--text)}.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:center}@media(max-width:56rem){.hero-grid{grid-template-columns:1fr}.hero-diagram{display:none}}.hero-diagram{width:100%;max-width:34rem;margin-inline:auto}.hero-diagram .hd-ghosts polygon{fill:none;stroke:var(--border);stroke-width:1.5;opacity:.55;vector-effect:non-scaling-stroke}.hero-diagram .hd-links path,.hero-diagram .hd-core-links path{fill:none;stroke:var(--border);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.hero-diagram .hd-links .hd-link--accent{stroke:color-mix(in srgb,var(--accent) 55%,var(--border))}.hero-diagram .hd-hex{fill:var(--bg-elev);stroke:var(--border);stroke-width:1.5;stroke-linejoin:round;vector-effect:non-scaling-stroke}.hero-diagram .hd-hex--service{fill:var(--bg);stroke:color-mix(in srgb,var(--accent) 55%,var(--border))}.hero-diagram .hd-hex--core{fill:var(--accent-subtle);stroke:var(--accent)}.hero-diagram .hd-hex--inner{fill:var(--bg-elev);stroke:color-mix(in srgb,var(--accent) 65%,var(--border))}.hero-diagram .hd-core-links path{stroke:color-mix(in srgb,var(--accent) 35%,var(--border))}.hero-diagram .hd-icon{color:var(--text-muted);fill:none;stroke:currentColor;stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round}.hero-diagram .hd-icon--accent{color:var(--accent)}.hero-diagram .hd-junctions circle{fill:var(--accent)}.grid{display:grid;gap:1rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,24rem),1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr))}.card{background:var(--bg);border:var(--border-w) solid var(--border);border-radius:var(--radius);padding:clamp(1.5rem,1.2rem + 1vw,2.25rem);display:flex;flex-direction:column;gap:.75rem;transition:border-color .12s ease,background-color .12s ease}.card:hover{background:var(--bg-elev);border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}.card h3{font-size:var(--fs-600)}.card h3 a{color:var(--text);text-decoration:none}.card h3 a:hover{color:var(--accent)}.card p{color:var(--text-muted);font-size:var(--fs-300)}.card .card-link{margin-top:auto;padding-top:.5rem;font-family:var(--font-mono);font-size:var(--fs-200);font-weight:500;text-decoration:none}.card .card-link:after{content:" →"}.tag-list{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;padding:0;margin:0}.page-hero .tag-list{margin-top:1.5rem}.tag{font-family:var(--font-mono);font-size:var(--fs-200);color:var(--text-muted);border:var(--border-w) solid var(--border);border-radius:999px;padding:.15rem .6rem}.prose{max-width:68ch}.prose>*+*{margin-top:1.1em}.prose h2{margin-top:2.2em}.prose h3{margin-top:1.8em}.prose ul,.prose ol{padding-left:1.4em}.prose li+li{margin-top:.4em}.prose li::marker{color:var(--accent)}.check-list{list-style:none;padding:0;display:grid;gap:.75rem}.check-list li{padding-left:1.75rem;position:relative;color:var(--text-muted)}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}.check-list strong{color:var(--text)}.cta-block{border:var(--border-w) solid var(--border);border-radius:var(--radius);background:radial-gradient(ellipse 80% 120% at 100% 0%,var(--accent-subtle),transparent 60%),var(--bg-elev);padding:clamp(2.5rem,2rem + 3vw,4.5rem);text-align:center}.cta-block h2{max-width:none}.cta-block p{color:var(--text-muted);margin:1rem auto 0;max-width:48ch}.cta-block .hero-actions{display:flex;justify-content:center;gap:1rem;margin-top:2rem;flex-wrap:wrap}.form{display:grid;gap:1.25rem;max-width:36rem}.form-field{display:grid;gap:.4rem}.form-field label{font-weight:500;font-size:var(--fs-300)}.form-field .required{color:var(--accent)}.form-field input,.form-field textarea{background:var(--bg-elev);border:var(--border-w) solid var(--border);border-radius:var(--radius);padding:.65rem .9rem;width:100%}.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--accent)}.form-field textarea{min-height:9rem;resize:vertical}.form-note{font-size:var(--fs-300);color:var(--text-muted)}.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:start}@media(max-width:48rem){.contact-grid{grid-template-columns:1fr}}.contact-grid>div>h2{margin-bottom:.75rem}.contact-grid>div>p{margin-bottom:2rem}.contact-card{border:var(--border-w) solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:clamp(1.5rem,1.2rem + 1vw,2.25rem)}.contact-card h2{margin-bottom:1.25rem}.contact-card address{font-style:normal;color:var(--text-muted);line-height:1.7;margin-bottom:1.5rem}.contact-list{display:grid;gap:.9rem}.contact-list>div{display:grid;grid-template-columns:6.5rem 1fr;gap:1rem}.contact-list dt{font-family:var(--font-mono);font-size:var(--fs-200);text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);padding-top:.2em}.contact-list dd{margin:0}.site-footer{border-top:var(--border-w) solid var(--border);margin-top:var(--space-section);padding-block:clamp(2.5rem,2rem + 2vw,4rem) 2rem;background:var(--bg-elev)}.footer-grid{display:grid;gap:2.5rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr))}.footer-grid h2,.footer-grid h3{font-size:var(--fs-300);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text);margin-bottom:1rem}.footer-grid ul{list-style:none;padding:0;display:grid;gap:.5rem}.footer-grid a{color:var(--text-muted);text-decoration:none;font-size:var(--fs-300)}.footer-grid a:hover{color:var(--text)}.footer-grid address{font-style:normal;color:var(--text-muted);font-size:var(--fs-300);line-height:1.7}.footer-brand img{width:14.375rem;max-width:100%;height:auto;margin-bottom:1rem}.footer-brand p{font-size:var(--fs-300);color:var(--text-muted)}.footer-legal{margin-top:3rem;padding-top:1.5rem;border-top:var(--border-w) solid var(--border);display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;font-size:var(--fs-200);color:var(--text-muted)}.footer-legal ul{display:flex;gap:1.25rem;list-style:none;padding:0;flex-wrap:wrap}.footer-legal a{color:var(--text-muted);text-decoration:none}.footer-legal a:hover{color:var(--text)}.mono{font-family:var(--font-mono)}.text-muted{color:var(--text-muted)}.mt-block{margin-top:var(--space-block)}