@font-face{font-family:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-vietnamese-wght-normal.D0rl6rjA.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:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-latin-ext-wght-normal.D9tNdqV9.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:Space Grotesk Variable;font-style:normal;font-display:swap;font-weight:300 700;src:url(/_astro/space-grotesk-latin-wght-normal.BhU9QXUp.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{--paper: #faf8f2;--surface: #ffffff;--ink: #191536;--ink-soft: #575271;--line: rgba(25, 21, 54, .14);--line-faint: rgba(25, 21, 54, .07);--violet: #5b48f5;--violet-soft: #eeebff;--sparks: #f4652e;--sparks-soft: #ffefe6;--invoice: #0d9d74;--invoice-soft: #e2f7ef;--passci: #2d72f6;--passci-soft: #e7effe;--accent: var(--violet);--accent-soft: var(--violet-soft);--font-display: "Space Grotesk Variable", "Space Grotesk", system-ui, sans-serif;--font-body: system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace;--s-1: .25rem;--s-2: .5rem;--s-3: .75rem;--s-4: 1rem;--s-5: 1.5rem;--s-6: 2rem;--s-7: 3rem;--s-8: 4.5rem;--s-9: 7rem;--radius: 18px;--radius-sm: 10px;--container: 68rem}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}body{margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;color:var(--ink);background-color:var(--paper);background-image:linear-gradient(var(--line-faint) 1px,transparent 1px),linear-gradient(90deg,var(--line-faint) 1px,transparent 1px);background-size:44px 44px;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.02em;margin:0 0 var(--s-4);text-wrap:balance}h1{font-size:clamp(2.4rem,6vw,4rem);font-weight:700}h2{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:700}h3{font-size:clamp(1.2rem,2.5vw,1.45rem);font-weight:600}p{margin:0 0 var(--s-4)}a{color:var(--accent);text-underline-offset:3px}img{max-width:100%;height:auto}:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}.container{max-width:var(--container);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:var(--s-2) var(--s-4);z-index:100;border-radius:0 0 var(--radius-sm) 0}.skip-link:focus{left:0}.tag{display:inline-block;font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);padding:.3rem .65rem;border-radius:999px;margin-bottom:var(--s-4)}.lede{font-size:clamp(1.1rem,2.2vw,1.3rem);color:var(--ink-soft);max-width:44rem;text-wrap:pretty}.btn{display:inline-block;font-family:var(--font-display);font-weight:600;font-size:1rem;text-decoration:none;padding:.8rem 1.5rem;border-radius:999px;border:2px solid var(--ink);transition:transform .15s ease,box-shadow .15s ease}.btn:hover{transform:translateY(-2px)}.btn-solid{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 35%,transparent)}.btn-ghost{background:transparent;color:var(--ink)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:var(--s-6);box-shadow:0 1px 2px #1915360a,0 12px 32px -18px #1915362e}.section{padding-block:var(--s-8)}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:var(--s-4);padding-block:var(--s-3);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.brand svg{flex-shrink:0}.site-nav{display:flex;gap:clamp(.25rem,2vw,.75rem);flex-wrap:wrap}.site-nav a{font-family:var(--font-display);font-weight:500;font-size:.95rem;color:var(--ink-soft);text-decoration:none;padding:.4rem .85rem;border-radius:999px;border:1px solid transparent}.site-nav a:hover{color:var(--ink);background:var(--surface);border-color:var(--line)}.site-nav a[aria-current=page]{color:var(--accent);background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}.site-footer{border-top:1px solid var(--line);background:var(--surface);padding-block:var(--s-7);margin-top:var(--s-8)}.site-footer .container{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--s-6);flex-wrap:wrap}.site-footer nav{display:flex;gap:var(--s-5);flex-wrap:wrap}.site-footer a{color:var(--ink-soft);text-decoration:none;font-size:.95rem}.site-footer a:hover{color:var(--ink);text-decoration:underline}.footer-note{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-soft);letter-spacing:.04em}.crosshair{position:relative}.crosshair:before,.crosshair:after{content:"";position:absolute;width:18px;height:18px;border-color:var(--accent);border-style:solid;opacity:.85}.crosshair:before{top:-9px;left:-9px;border-width:2px 0 0 2px}.crosshair:after{bottom:-9px;right:-9px;border-width:0 2px 2px 0}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:var(--s-4);padding:0;margin:var(--s-6) 0 0;list-style:none}.feature-grid .card h3{margin-bottom:var(--s-2)}.feature-grid .card p{color:var(--ink-soft);font-size:.97rem;margin:0}.card-rule{width:2.25rem;height:4px;border-radius:2px;background:var(--accent);margin-bottom:var(--s-4)}.chip-list{display:flex;flex-wrap:wrap;gap:var(--s-2);padding:0;margin:var(--s-5) 0 0;list-style:none}.chip-list li{font-family:var(--font-mono);font-size:.85rem;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.45rem .9rem}.table-wrap{overflow-x:auto;margin-top:var(--s-6);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.spec-table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:34rem}.spec-table th,.spec-table td{text-align:left;padding:.8rem 1.1rem;border-bottom:1px solid var(--line-faint)}.spec-table th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}.spec-table tr:last-child td{border-bottom:none}.spec-table .num{font-family:var(--font-mono);font-size:.88rem}.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius);padding:clamp(2rem,5vw,3.5rem);display:flex;align-items:center;justify-content:space-between;gap:var(--s-5);flex-wrap:wrap}.cta-band h2{margin:0;font-size:clamp(1.4rem,3vw,2rem)}.cta-band p{margin:.4rem 0 0;color:#ffffffbf}.cta-band .btn-solid{border-color:transparent}.hero{padding-block:var(--s-8) var(--s-7)}.hero-actions{display:flex;gap:var(--s-3);flex-wrap:wrap;margin-top:var(--s-6)}.stat-row{display:flex;gap:var(--s-6);flex-wrap:wrap;margin-top:var(--s-7)}.stat-row div{border-left:3px solid var(--accent);padding-left:var(--s-4)}.stat-row strong{display:block;font-family:var(--font-display);font-size:1.6rem;letter-spacing:-.02em}.stat-row span{color:var(--ink-soft);font-size:.9rem}@property --spin{syntax: "<angle>"; inherits: false; initial-value: 0deg;}@keyframes spin-border{to{--spin: 360deg}}.spin-card{position:relative;overflow:hidden;border:2px solid transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,conic-gradient(from var(--spin),var(--accent) 0deg,color-mix(in srgb,var(--accent) 14%,var(--line)) 80deg,color-mix(in srgb,var(--accent) 55%,#fff) 170deg,color-mix(in srgb,var(--accent) 14%,var(--line)) 260deg,var(--accent) 360deg) border-box;animation:spin-border 22s linear infinite;transition:transform .25s ease,box-shadow .25s ease}.spin-card:hover{animation-duration:7s;transform:translateY(-6px);box-shadow:0 18px 40px -16px color-mix(in srgb,var(--accent) 45%,transparent)}.spin-card .shine{position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.65) 50%,transparent 65%);transform:translate(-130%)}.spin-card:hover .shine{transition:transform 1.6s ease;transform:translate(130%)}.card-index{position:absolute;right:1.1rem;bottom:.4rem;font-family:var(--font-mono);font-size:3.2rem;font-weight:700;color:color-mix(in srgb,var(--accent) 14%,transparent);pointer-events:none;user-select:none;line-height:1}@media(prefers-reduced-motion:reduce){.spin-card,.spin-card:hover{animation:none}.spin-card .shine{display:none}}.feature-grid{counter-reset:feat}.feature-grid>.card{counter-increment:feat;position:relative;border:2px solid var(--ink);border-radius:var(--radius-sm);box-shadow:6px 6px 0 var(--accent);transition:transform .18s ease,box-shadow .18s ease}.feature-grid>.card:before{content:counter(feat,decimal-leading-zero);position:absolute;top:1.2rem;right:1.25rem;font-family:var(--font-mono);font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--ink);background:var(--accent-soft);border:1.5px solid var(--ink);border-radius:7px;padding:.1rem .45rem}.feature-grid>.card:hover{transform:translate(-3px,-3px);box-shadow:10px 10px 0 var(--accent)}.feature-grid>.card .card-rule{display:none}.panel{position:relative;overflow:hidden;border:2px solid var(--ink);border-radius:var(--radius);background:var(--surface);box-shadow:10px 10px 0 var(--accent)}.panel:before{content:"";position:absolute;top:-70px;right:-70px;width:280px;height:280px;border-radius:50%;background:repeating-radial-gradient(circle,transparent 0 16px,color-mix(in srgb,var(--accent) 28%,transparent) 16px 18px);pointer-events:none}.panel>*{position:relative}