:root{--color-bg:#fff;--color-surface:#f5f5f5;--color-surface-strong:#ececec;--color-ink:#111;--color-ink-muted:#4b5563;--color-border:#e5e5e5;--color-border-strong:#d4d4d4;--color-accent:#6db981;--color-accent-ink:#1d6b3b;--color-accent-soft:#e8f5ec;--color-dark:#101010;--color-dark-ink:#f5f5f5;--color-dark-muted:#a3a3a3;--color-dark-border:#2a2a2a;--color-focus:#2563eb;--font-display:"Cal Sans", "Inter Variable", "Inter Fallback", system-ui, sans-serif;--font-body:"Inter Variable", "Inter Fallback", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace;--text-xs:.8125rem;--text-sm:.9375rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:clamp(1.25rem, 1.1rem + .5vw, 1.5rem);--text-2xl:clamp(1.5rem, 1.25rem + 1vw, 2rem);--text-3xl:clamp(1.875rem, 1.4rem + 2vw, 2.75rem);--text-display:clamp(2.125rem, 1.35rem + 4.4vw, 4.5rem);--leading-tight:1.1;--leading-snug:1.3;--leading-body:1.65;--tracking-display:-.02em;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--section-gap:clamp(4rem, 3rem + 4vw, 6rem);--gutter:clamp(1rem, .5rem + 2.5vw, 2rem);--content-max:70rem;--prose-max:42rem;--nav-height:4rem;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-pill:999px;--shadow-sm:0 1px 2px #1111110f;--shadow-md:0 8px 24px -8px #11111124, 0 2px 6px #1111110d;--ease:cubic-bezier(.2, 0, 0, 1);--duration:.15s}@font-face{font-family:Inter Fallback;src:local(Arial);size-adjust:107.4%;ascent-override:90.2%;descent-override:22.5%;line-gap-override:0%}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{background:var(--color-bg);color:var(--color-ink);font-family:var(--font-body);font-size:var(--text-base);line-height:var(--leading-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:var(--leading-tight);letter-spacing:var(--tracking-display);text-wrap:balance;overflow-wrap:break-word;hyphens:auto;margin:0}p{text-wrap:pretty;margin:0}ul,ol{margin:0;padding:0}img,svg{max-width:100%;display:block}a{color:var(--color-accent-ink);text-underline-offset:.2em}a:hover{color:var(--color-ink)}:focus-visible{outline:2px solid var(--color-focus);outline-offset:3px;border-radius:4px}::selection{background:var(--color-accent-soft)}.container{width:100%;max-width:calc(var(--content-max) + 2 * var(--gutter));padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:var(--section-gap)}.section--tight{padding-block:calc(var(--section-gap) / 2)}.eyebrow{align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);padding:var(--space-1) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-bg);color:var(--color-ink-muted);font-size:var(--text-xs);font-weight:500;line-height:1.5;display:inline-flex}.eyebrow:before{content:"";background:var(--color-accent);border-radius:50%;width:6px;height:6px}.lead{max-width:var(--prose-max);color:var(--color-ink-muted);font-size:var(--text-lg)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{top:var(--space-2);left:var(--space-2);z-index:100;padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);background:var(--color-ink);color:#fff;font-weight:500;text-decoration:none;position:absolute;transform:translateY(-200%)}.skip-link:focus{color:#fff;transform:none}.prose{max-width:var(--prose-max)}.prose>*+*{margin-top:var(--space-4)}.prose h2{margin-top:var(--space-7);font-size:var(--text-2xl)}.prose h3{margin-top:var(--space-6);font-size:var(--text-xl)}.prose ul,.prose ol{padding-left:1.25rem}.prose li+li{margin-top:var(--space-2)}.prose a{overflow-wrap:anywhere}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@font-face{font-family:Cal Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/cal-sans-vietnamese-400-normal.ZD4NtNj8.woff2)format("woff2"),url(/_astro/cal-sans-vietnamese-400-normal.I4QIi_z4.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Cal Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/cal-sans-latin-ext-400-normal.TtpXEvyb.woff2)format("woff2"),url(/_astro/cal-sans-latin-ext-400-normal.BkuRabHn.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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:Cal Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/cal-sans-latin-400-normal.Dbkae8dt.woff2)format("woff2"),url(/_astro/cal-sans-latin-400-normal.xE-7h5s-.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2)format("woff2-variations");unicode-range:U+460-52F,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(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,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(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.logo[data-astro-cid-f7espo7c]{font-family:var(--font-display);letter-spacing:-.01em;color:var(--color-ink);align-items:baseline;gap:.5rem;font-size:1.125rem;line-height:1;display:inline-flex}.logo--inverse[data-astro-cid-f7espo7c]{color:var(--color-dark-ink)}.logo__mark[data-astro-cid-f7espo7c]{color:var(--color-accent);font-family:var(--font-mono);letter-spacing:-.06em;font-weight:700}.logo__dot[data-astro-cid-f7espo7c]{color:var(--color-accent)}.btn[data-astro-cid-ekguhzzh]{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-sm);font-family:var(--font-body);white-space:nowrap;transition:background-color var(--duration) var(--ease), border-color var(--duration) var(--ease);border:1px solid #0000;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.btn--md[data-astro-cid-ekguhzzh]{min-height:2.5rem;font-size:var(--text-sm);padding:.5rem 1rem}.btn--lg[data-astro-cid-ekguhzzh]{min-height:3rem;font-size:var(--text-base);padding:.75rem 1.375rem}.btn--primary[data-astro-cid-ekguhzzh]{background:var(--color-ink);color:#fff}.btn--primary[data-astro-cid-ekguhzzh]:hover{color:#fff;background:#2a2a2a}.btn--secondary[data-astro-cid-ekguhzzh]{border-color:var(--color-border-strong);background:var(--color-bg);color:var(--color-ink);box-shadow:var(--shadow-sm)}.btn--secondary[data-astro-cid-ekguhzzh]:hover{background:var(--color-surface);color:var(--color-ink)}.header[data-astro-cid-nen7h5rs]{z-index:50;border-bottom:1px solid var(--color-border);backdrop-filter:saturate(1.4)blur(10px);background:#ffffffeb;position:sticky;top:0}.header__bar[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:var(--space-4);min-height:var(--nav-height);display:flex}.header__brand[data-astro-cid-nen7h5rs]{align-items:center;min-height:2.75rem;text-decoration:none;display:inline-flex}.header__toggle[data-astro-cid-nen7h5rs]{border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-bg);width:2.75rem;height:2.75rem;color:var(--color-ink);cursor:pointer;place-items:center;display:inline-grid}.header__icon--close[data-astro-cid-nen7h5rs],.is-open[data-astro-cid-nen7h5rs] .header__icon--open[data-astro-cid-nen7h5rs]{display:none}.is-open[data-astro-cid-nen7h5rs] .header__icon--close[data-astro-cid-nen7h5rs]{display:block}.header__nav[data-astro-cid-nen7h5rs]{inset:var(--nav-height) 0 auto 0;align-items:stretch;gap:var(--space-4);padding:var(--space-4) var(--gutter) var(--space-5);border-bottom:1px solid var(--color-border);background:var(--color-bg);flex-direction:column;display:none;position:absolute}.is-open[data-astro-cid-nen7h5rs] .header__nav[data-astro-cid-nen7h5rs]{display:flex}.header__list[data-astro-cid-nen7h5rs]{gap:var(--space-1);flex-direction:column;list-style:none;display:flex}.header__link[data-astro-cid-nen7h5rs]{padding:var(--space-3) var(--space-3);border-radius:var(--radius-sm);color:var(--color-ink);font-size:var(--text-base);white-space:nowrap;font-weight:500;text-decoration:none;display:block}.header__link[data-astro-cid-nen7h5rs]:hover,.header__link[data-astro-cid-nen7h5rs][aria-current=page]{background:var(--color-surface);color:var(--color-ink)}.header__nav[data-astro-cid-nen7h5rs] .header__cta{width:100%}html.no-js .header__toggle[data-astro-cid-nen7h5rs]{display:none}html.no-js .header__bar[data-astro-cid-nen7h5rs]{flex-wrap:wrap}html.no-js .header__nav[data-astro-cid-nen7h5rs]{border:0;width:100%;padding-inline:0;display:flex;position:static}@media (width>=64rem){.header__toggle[data-astro-cid-nen7h5rs]{display:none}.header__nav[data-astro-cid-nen7h5rs]{background:0 0;border:0;flex-direction:row;flex:1;justify-content:space-between;align-items:center;padding:0;display:flex;position:static}.header__list[data-astro-cid-nen7h5rs]{gap:var(--space-1);padding:var(--space-1);border-radius:var(--radius-pill);background:var(--color-surface);flex-direction:row;margin-inline:auto}.header__link[data-astro-cid-nen7h5rs]{border-radius:var(--radius-pill);font-size:var(--text-sm);padding:.375rem .75rem}.header__link[data-astro-cid-nen7h5rs]:hover{background:var(--color-surface-strong)}.header__link[data-astro-cid-nen7h5rs][aria-current=page]{background:var(--color-bg);box-shadow:var(--shadow-sm)}.header__nav[data-astro-cid-nen7h5rs] .header__cta{width:auto}}.footer[data-astro-cid-jo6i4kqk]{background:var(--color-dark);color:var(--color-dark-muted);font-size:var(--text-sm)}.footer__grid[data-astro-cid-jo6i4kqk]{gap:var(--space-7);padding-block:var(--space-8) var(--space-7);display:grid}.footer__brand[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{max-width:22rem;margin-top:var(--space-4)}.footer__logo[data-astro-cid-jo6i4kqk]{align-items:center;min-height:2.75rem;text-decoration:none;display:inline-flex}.footer__heading[data-astro-cid-jo6i4kqk]{margin-bottom:var(--space-3);color:var(--color-dark-ink);font-family:var(--font-body);font-size:var(--text-sm);letter-spacing:0;font-weight:600}.footer__heading--spaced[data-astro-cid-jo6i4kqk]{margin-top:var(--space-6)}ul[data-astro-cid-jo6i4kqk]{gap:var(--space-2);list-style:none;display:grid}address[data-astro-cid-jo6i4kqk]{font-style:normal}a[data-astro-cid-jo6i4kqk]{color:var(--color-dark-muted);text-decoration:none}a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-dark-ink);text-decoration:underline}.footer[data-astro-cid-jo6i4kqk] :focus-visible{outline-color:#93c5fd}.footer__bottom[data-astro-cid-jo6i4kqk]{padding-block:var(--space-5);border-top:1px solid var(--color-dark-border);font-size:var(--text-xs)}address[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{overflow-wrap:anywhere}@media (width>=40rem){.footer__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:repeat(2,minmax(0,1fr))}.footer__brand[data-astro-cid-jo6i4kqk]{grid-column:1/-1}}@media (width>=60rem){.footer__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr))}.footer__brand[data-astro-cid-jo6i4kqk]{grid-column:auto}}