:root{color-scheme:light dark;--bg: #f7f9fb;--bg-veil: rgba(247, 249, 251, .72);--surface: #ffffff;--surface-sunken: #eef2f6;--surface-raised: #ffffff;--text: #12181d;--text-dim: #4d5a65;--text-faint: #7d8b96;--text-on-accent: #06202c;--accent: #4cb8e8;--accent-strong: #35a6da;--accent-text: #0f6fa8;--accent-veil: rgba(76, 184, 232, .14);--accent-glow: rgba(53, 166, 218, .38);--hairline: rgba(18, 40, 56, .1);--hairline-strong: rgba(18, 40, 56, .18);--shadow-card: 0 1px 2px rgba(14, 38, 54, .05), 0 18px 44px -22px rgba(14, 44, 66, .3);--shadow-lift: 0 2px 6px rgba(14, 38, 54, .07), 0 30px 60px -26px rgba(14, 44, 66, .36);--r-card: 20px;--r-media: 24px;--r-chip: 10px;--r-pill: 999px;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-num: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--page-max: 1180px;--gutter: 24px;--nav-h: 56px;--section-y: clamp(88px, 11vw, 152px);--ease: cubic-bezier(.16, 1, .3, 1)}@media(prefers-color-scheme:dark){:root{--bg: #080b0e;--bg-veil: rgba(8, 11, 14, .72);--surface: #12181d;--surface-sunken: #0d1216;--surface-raised: #1a222a;--text: #eef4f8;--text-dim: #9aa9b4;--text-faint: #71818d;--text-on-accent: #06202c;--accent: #4cb8e8;--accent-strong: #6ac9f2;--accent-text: #7fd4f5;--accent-veil: rgba(76, 184, 232, .13);--accent-glow: rgba(76, 184, 232, .3);--hairline: rgba(160, 200, 225, .13);--hairline-strong: rgba(160, 200, 225, .24);--shadow-card: 0 1px 2px rgba(0, 0, 0, .5), 0 20px 48px -24px rgba(0, 0, 0, .8);--shadow-lift: 0 2px 8px rgba(0, 0, 0, .55), 0 32px 64px -26px rgba(0, 0, 0, .9)}}@media(min-width:768px){:root{--gutter: 40px}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:17px;line-height:1.6;letter-spacing:.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}h1,h2,h3,h4,p,figure,ul,ol{margin:0}ul,ol{padding:0;list-style:none}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}:focus-visible{outline:2px solid var(--accent-text);outline-offset:3px;border-radius:6px}.shell{width:100%;max-width:var(--page-max);margin:0 auto;padding-inline:var(--gutter)}.section{padding-block:var(--section-y)}.section--tight{padding-block:clamp(56px,7vw,96px)}.rule{height:1px;background:var(--hairline);border:0;margin:0}.display{font-size:clamp(2.25rem,1.4rem + 3.4vw,3.75rem);line-height:1.14;letter-spacing:-.022em;font-weight:700}.headline{font-size:clamp(1.75rem,1.1rem + 2.4vw,2.75rem);line-height:1.2;letter-spacing:-.018em;font-weight:700;text-wrap:balance}.subhead{font-size:clamp(1.125rem,1rem + .5vw,1.375rem);line-height:1.5;letter-spacing:-.008em;font-weight:600}.lede{font-size:clamp(1.0625rem,1rem + .4vw,1.25rem);line-height:1.66;color:var(--text-dim);max-width:34em}.body-dim{color:var(--text-dim);line-height:1.72}.tiny{font-size:.8125rem;line-height:1.6;color:var(--text-faint)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;padding:0 24px;height:46px;border-radius:var(--r-pill);font-size:1rem;font-weight:600;letter-spacing:0;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease)}.btn--primary{background:var(--accent);color:var(--text-on-accent);box-shadow:0 10px 26px -14px var(--accent-glow)}.btn--primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 16px 34px -14px var(--accent-glow)}.btn--ghost{border:1px solid var(--hairline-strong);color:var(--text);background:transparent}.btn--ghost:hover{border-color:var(--text-faint);transform:translateY(-1px)}.btn:active{transform:scale(.98)}.btn--sm{height:36px;padding:0 18px;font-size:.9375rem}.link-arrow{display:inline-flex;align-items:center;gap:4px;color:var(--accent-text);font-weight:600;transition:gap .25s var(--ease)}.link-arrow:hover{gap:9px}.reveal{transition:opacity .72s var(--ease),transform .72s var(--ease);transition-delay:var(--reveal-delay, 0ms)}.has-js .reveal:not(.is-in){opacity:0;transform:translateY(22px)}@media(prefers-reduced-motion:reduce){.has-js .reveal:not(.is-in){opacity:1;transform:none}.reveal,.btn,.link-arrow{transition:none}.btn:hover,.btn:active,.btn--ghost:hover{transform:none}}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip-link{position:absolute;left:16px;top:-60px;z-index:100;padding:10px 18px;border-radius:var(--r-pill);background:var(--surface-raised);border:1px solid var(--hairline-strong);font-weight:600;transition:top .2s var(--ease)}.skip-link:focus-visible{top:16px}.site-header{position:sticky;top:0;z-index:40;height:var(--nav-h);border-bottom:1px solid transparent;transition:background-color .3s var(--ease),border-color .3s var(--ease)}.site-header.is-stuck{background:var(--bg-veil);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom-color:var(--hairline)}@media(prefers-reduced-transparency:reduce){.site-header.is-stuck{background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none}}.site-header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:1.0625rem;font-weight:700;letter-spacing:-.01em}.brand img{width:26px;height:26px}.site-nav{display:none;align-items:center;gap:26px;font-size:.9375rem;color:var(--text-dim)}.site-nav a{position:relative;padding-block:4px;transition:color .24s var(--ease)}.site-nav a:hover{color:var(--text)}.site-nav a.is-active{color:var(--text);font-weight:600}.site-nav a.is-active:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:var(--r-pill);background:var(--accent)}@media(min-width:940px){.site-nav{display:flex}}.site-header__progress{position:absolute;inset:0 0 auto 0;height:2px;transform:scaleX(0);transform-origin:0 50%;background:var(--accent);pointer-events:none}@supports (animation-timeline: scroll(root)){.site-header__progress{animation:read-progress linear both;animation-timeline:scroll(root)}}@keyframes read-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.site-footer{border-top:1px solid var(--hairline);background:var(--surface-sunken);padding-block:56px 40px}.site-footer__top{display:grid;gap:36px;grid-template-columns:1fr}@media(min-width:820px){.site-footer__top{grid-template-columns:1.4fr 1fr 1fr;gap:48px}}.site-footer__intro p{margin-top:12px;max-width:30em}.site-footer h3{font-size:.8125rem;font-weight:700;color:var(--text);margin-bottom:14px}.site-footer li+li{margin-top:10px}.site-footer li a,.site-footer li span{font-size:.875rem;color:var(--text-dim)}.site-footer li a:hover{color:var(--accent-text)}.site-footer__bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--hairline);display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}.tbd{color:var(--text-faint);border-bottom:1px dashed var(--hairline-strong)}