@font-face{font-family:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/public-sans-vietnamese-wght-normal-CtlIRbEm.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:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/public-sans-latin-ext-wght-normal-MQgHevqp.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:Public Sans Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/public-sans-latin-wght-normal-DdeTHZLK.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{color-scheme:light dark;font-family:Public Sans Variable,Helvetica Neue,Arial,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--paper: #f6f5f0;--surface: #fbfaf7;--surface-quiet: #eeeee8;--ink: #18211f;--muted: #53615d;--border: #c7cfcb;--accent-thread: #18a78d;--accent-action: #0c6c5d;--accent-ink: #f8fbfa;--focus: #0c6c5d;--radius: 10px;--content-width: 82.5rem}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth;scroll-padding-top:5rem;background:var(--paper)}body{min-width:320px;min-height:100dvh;margin:0;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased}button,a{font:inherit}a{color:inherit}a:focus-visible{border-radius:var(--radius);outline:3px solid var(--focus);outline-offset:3px}.site-shell{min-height:100dvh;overflow:clip}.app-header{position:sticky;top:0;z-index:10;height:4.5rem;border-bottom:1px solid var(--border);background:var(--paper)}.app-nav{display:flex;align-items:center;width:min(100% - 2.5rem,var(--content-width));height:100%;margin-inline:auto;gap:1rem;white-space:nowrap}.brand{display:inline-flex;align-items:center;flex:0 0 auto;gap:.65rem;color:var(--ink);font-size:1rem;font-weight:720;letter-spacing:-.02em;text-decoration:none}.brand img{width:2.125rem;height:2.125rem;object-fit:contain}.nav-context{overflow:hidden;border-left:1px solid var(--border);padding-left:1rem;color:var(--muted);font-size:.8rem;font-weight:620;text-overflow:ellipsis}.nav-link{position:relative;margin-left:auto;color:var(--ink);font-size:.875rem;font-weight:680;text-decoration:none}.nav-link:after{position:absolute;right:0;bottom:-.35rem;left:0;height:2px;background:var(--accent-thread);content:"";transform:scaleX(.35);transform-origin:left;transition:transform .16s ease}.nav-link:hover:after{transform:scaleX(1)}.hero{display:grid;width:min(100% - 2.5rem,var(--content-width));margin-inline:auto;padding-block:clamp(2.5rem,6vw,5rem);gap:clamp(2.25rem,5vw,4.5rem)}.hero-copy{align-self:center;min-width:0;max-width:42rem}.hero h1{max-width:12ch;margin:0;color:var(--ink);font-size:clamp(2.75rem,5.2vw,4rem);font-weight:710;letter-spacing:-.055em;line-height:.98}.hero h1 span{display:block}.hero-copy>p{max-width:32rem;margin:1.5rem 0 0;color:var(--muted);font-size:clamp(1rem,1.5vw,1.18rem);line-height:1.6}.primary-action{display:inline-flex;align-items:center;justify-content:center;min-height:3rem;margin-top:2rem;border:1px solid var(--accent-action);border-radius:var(--radius);padding:.75rem 1.15rem;background:var(--accent-action);color:var(--accent-ink);font-size:.925rem;font-weight:720;line-height:1;text-decoration:none;white-space:nowrap;transition:background-color .16s ease,transform .16s ease}.primary-action:hover{background:#095f52;transform:translateY(-2px)}.primary-action:active{transform:translateY(1px)}.hero-media{min-width:0;margin:0;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-quiet);box-shadow:0 1.25rem 3.5rem #18362f17}.hero-media img{display:block;width:100%;height:100%;aspect-ratio:16 / 10;object-fit:cover;object-position:center}.hero-media picture{display:block;height:100%}.content-section{width:min(100% - 2.5rem,var(--content-width));margin-inline:auto;padding-block:clamp(4.5rem,9vw,7.5rem)}.section-heading,.boundary-intro{max-width:42rem}.section-heading h2,.boundary-intro h2{margin:0;color:var(--ink);font-size:clamp(2rem,4vw,3.25rem);font-weight:690;letter-spacing:-.045em;line-height:1.05}.section-heading p,.boundary-intro p{max-width:38rem;margin:1.15rem 0 0;color:var(--muted);font-size:1rem;line-height:1.65}.tools-section{border-top:1px solid var(--border)}.tool-list{display:grid;margin-top:clamp(2.5rem,5vw,4.5rem);border-bottom:1px solid var(--border)}.tool-entry{display:flex;min-width:0;flex-direction:column;border-top:1px solid var(--border);padding:clamp(1.5rem,4vw,2.5rem) clamp(.25rem,2vw,1.5rem);color:var(--ink);text-decoration:none;transition:background-color .16s ease,color .16s ease}.tool-entry:hover{background:var(--surface)}.tool-meta{display:flex;align-items:center;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.76rem;font-weight:680}.tool-code{color:var(--accent-action);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em}.tool-status{border-bottom:2px solid var(--accent-thread);padding-bottom:.15rem}.tool-entry h3{max-width:25ch;margin:2.5rem 0 0;font-size:clamp(1.45rem,2.5vw,2.15rem);font-weight:660;letter-spacing:-.035em;line-height:1.16}.tool-entry p{max-width:42ch;margin:1rem 0 0;color:var(--muted);font-size:.95rem;line-height:1.6}.tool-link-label{margin-top:2.5rem;color:var(--accent-action);font-size:.9rem;font-weight:720}.tool-link-label span{display:inline-block;margin-left:.2rem;transition:transform .16s ease}.tool-entry:hover .tool-link-label span{transform:translate(3px)}.boundaries-section{display:grid;border-top:1px solid var(--border);gap:clamp(3rem,7vw,6rem)}.boundary-grid{display:grid;margin:0;gap:0 2.5rem}.boundary-grid>div{border-top:1px solid var(--border);padding-block:1.5rem 2rem}.boundary-grid dt{color:var(--ink);font-size:.95rem;font-weight:720}.boundary-grid dd{max-width:46ch;margin:.75rem 0 0;color:var(--muted);font-size:.9rem;line-height:1.62}.app-footer{display:flex;align-items:flex-end;justify-content:space-between;width:min(100% - 2.5rem,var(--content-width));margin-inline:auto;border-top:1px solid var(--border);padding-block:2.5rem 3rem;gap:2rem;color:var(--muted);font-size:.8rem;line-height:1.6}.app-footer p{max-width:46rem;margin:0}.app-footer p+p{margin-top:.3rem}.footer-lead,.footer-brand{color:var(--ink);font-weight:700}.footer-brand{flex:0 0 auto;white-space:nowrap}@media(min-width:768px){.tool-list{grid-template-columns:1.08fr .92fr}.tool-entry+.tool-entry{border-left:1px solid var(--border)}.boundary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:960px){.hero{grid-template-columns:1.08fr .92fr;align-items:center;min-height:calc(100dvh - 4.5rem);padding-block:clamp(2.75rem,5vw,4.5rem)}.hero h1 span{white-space:nowrap}.hero-media{max-height:38rem}.hero-media img{aspect-ratio:5 / 4}.boundaries-section{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr)}}@media(max-width:767px){.app-header{height:4rem}.app-nav,.hero,.content-section,.app-footer{width:min(100% - 1.5rem,var(--content-width))}.app-nav{gap:.65rem}.brand{gap:.45rem;font-size:.88rem}.brand img{width:1.875rem;height:1.875rem}.nav-context{padding-left:.65rem;font-size:.7rem}.nav-link{font-size:.78rem}.hero{padding-block:2.5rem 3.5rem}.hero h1{font-size:clamp(2.35rem,12vw,3.25rem)}.hero-media{min-height:12rem}.tool-entry{padding-inline:0}.app-footer{align-items:flex-start;flex-direction:column}}@media(prefers-color-scheme:dark){:root{--paper: #111917;--surface: #17211f;--surface-quiet: #1c2926;--ink: #eff5f2;--muted: #b7c4bf;--border: #3b4b47;--accent-thread: #18a78d;--accent-action: #70d6c0;--accent-ink: #10201c;--focus: #83e2ce}.primary-action:hover{background:#83e2ce}.hero-media{box-shadow:0 1.25rem 3.5rem #040e0c5c}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}