:root{color-scheme:light;--paper: #f4f0e7;--paper-light: #fbf9f4;--ink: #17231f;--ink-soft: #53605a;--forest: #0f6b58;--forest-dark: #0b4b40;--signal: #d65f3f;--amber: #d9a441;--line: #d8d1c4;--line-dark: #bfb6a7;--white: #ffffff;--shadow: 0 8px 28px rgba(31, 45, 39, .08);--header-bg: rgba(244, 240, 231, .93);--soft-green-bg: rgba(15, 107, 88, .08);--surface-glass: rgba(251, 249, 244, .88);--product-bg: #f7f7f8;--product-border: #c7c2b9;--inverted-bg: #17231f;--inverted-text: #fbf9f4;--inverted-muted: rgba(251, 249, 244, .66);--inverted-dim: rgba(251, 249, 244, .5);--inverted-line: rgba(251, 249, 244, .22);--local-bg: #0b4b40;--footer-bg: #17231f;--footer-text: #fbf9f4;--footer-muted: rgba(251, 249, 244, .66);--footer-link: rgba(251, 249, 244, .72);--footer-dim: rgba(251, 249, 244, .48);--footer-line: rgba(251, 249, 244, .16);--amber-ink: #17231f;--amber-ink-soft: rgba(23, 35, 31, .78);--danger: #8c2f23;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;--serif: "Iowan Old Style", "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;--mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, monospace}:root[data-theme=dark]{color-scheme:dark;--paper: #101613;--paper-light: #171f1b;--ink: #edf2ed;--ink-soft: #aab7b0;--forest: #68c5aa;--forest-dark: #82d6bd;--signal: #ef7a5a;--amber: #d8a64a;--line: #2c3933;--line-dark: #48564f;--shadow: 0 8px 28px rgba(0, 0, 0, .22);--header-bg: rgba(16, 22, 19, .92);--soft-green-bg: rgba(104, 197, 170, .1);--surface-glass: rgba(23, 31, 27, .9);--product-bg: #e9eceb;--product-border: #59655f;--inverted-bg: #080d0b;--inverted-text: #f4f1e9;--inverted-muted: rgba(244, 241, 233, .68);--inverted-dim: rgba(244, 241, 233, .5);--inverted-line: rgba(244, 241, 233, .2);--local-bg: #073c33;--footer-bg: #080d0b;--footer-text: #f4f1e9;--footer-muted: rgba(244, 241, 233, .66);--footer-link: rgba(244, 241, 233, .74);--footer-dim: rgba(244, 241, 233, .5);--footer-line: rgba(244, 241, 233, .16);--danger: #ff9a88}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;background:var(--paper)}body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}main{position:relative;z-index:1;min-height:70vh}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input,textarea{font:inherit}h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.08;letter-spacing:-.035em}p{text-wrap:pretty}.container{width:min(1280px,calc(100% - 48px));margin-inline:auto}.narrow{width:min(820px,calc(100% - 48px));margin-inline:auto}.section{padding:88px 0}.section-heading{max-width:820px;margin-bottom:44px}.section-heading h1,.section-heading h2{margin:12px 0 18px;font-size:clamp(2rem,2.8vw,3rem)}.section-heading p{max-width:720px;color:var(--ink-soft);font-size:clamp(1.03rem,1.6vw,1.22rem)}.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header-inner{min-height:80px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px}.brand img{border-radius:9px}.brand span{display:grid;line-height:1.15}.brand strong{font-size:1rem}.brand small{margin-top:3px;color:var(--ink-soft);font-family:var(--sans);font-size:.72rem}nav{display:flex;justify-content:center;gap:clamp(18px,2vw,28px)}nav a{position:relative;color:var(--ink-soft);font-size:.9rem;font-weight:650;white-space:nowrap}nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--signal);transition:right .18s ease}nav a:hover,nav a.active{color:var(--ink)}nav a:hover:after,nav a.active:after{right:0}.header-actions{display:flex;align-items:center;gap:10px}.language-menu{position:relative}.language-menu summary{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;cursor:pointer;list-style:none;color:var(--ink-soft);font-size:.82rem;font-weight:650}.language-menu summary::-webkit-details-marker{display:none}.language-panel{position:absolute;top:calc(100% + 16px);right:0;min-width:164px;padding:8px;display:grid;gap:2px;background:var(--paper-light);border:1px solid var(--line-dark);box-shadow:var(--shadow)}.language-panel a{padding:9px 11px;color:var(--ink-soft);font-size:.86rem}.language-panel a:hover,.language-panel a.active{color:var(--ink);background:var(--soft-green-bg)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border:1px solid var(--ink);background:var(--ink);color:var(--paper-light);font-size:.88rem;font-weight:750;transition:background .16s ease,border-color .16s ease}.btn:hover{background:var(--forest-dark);border-color:var(--forest-dark)}.btn-appstore .store-badge-microsoft{height:106.338%}.theme-toggle{width:34px;height:34px;display:inline-grid;place-items:center;border:1px solid var(--line-dark);border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;line-height:1;transition:border-color .16s ease,background .16s ease,color .16s ease}.theme-toggle:hover{border-color:var(--forest);background:var(--soft-green-bg);color:var(--forest)}.theme-toggle:focus-visible{outline:2px solid var(--forest);outline-offset:3px}.theme-icon{font-family:var(--sans);font-size:1rem}.theme-icon-sun{display:none}:root[data-theme=dark] .theme-icon-sun{display:inline}:root[data-theme=dark] .theme-icon-moon{display:none}.btn-secondary{background:transparent;color:var(--ink)}.btn-secondary:hover{background:var(--paper-light)}.btn-group{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.nav-toggle{display:none;width:44px;height:44px;flex:0 0 44px;place-items:center;border:1px solid var(--forest-dark);border-radius:12px;background:var(--forest-dark);color:var(--paper);cursor:pointer}.nav-toggle:hover{filter:brightness(1.15)}.nav-toggle:focus-visible{outline:3px solid var(--signal);outline-offset:3px}.menu-icon path{transform-origin:12px 12px;transition:transform .16s ease,opacity .16s ease}.nav-toggle[aria-expanded=true] .menu-line-top{transform:translateY(6px) rotate(45deg);transform-origin:12px 6px}.nav-toggle[aria-expanded=true] .menu-line-middle{opacity:0}.nav-toggle[aria-expanded=true] .menu-line-bottom{transform:translateY(-6px) rotate(-45deg);transform-origin:12px 18px}.store-badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.btn-appstore{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;display:flex;width:auto;height:44px;align-items:center;overflow:hidden;line-height:0}.btn-appstore img{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;pointer-events:none;width:auto;height:100%;max-width:none}.glass,.card{background:var(--surface-glass);border:1px solid var(--line)}.product-frame{position:relative;overflow:hidden;background:var(--product-bg);border:1px solid var(--product-border);box-shadow:var(--shadow)}.product-frame img{width:100%}.site-footer{position:relative;z-index:1;padding:72px 0 28px;background:var(--footer-bg);color:var(--footer-text)}.footer-grid{display:grid;grid-template-columns:minmax(280px,1.6fr) 1fr 1fr;gap:64px;padding-bottom:54px}.footer-brand{display:flex;align-items:flex-start;gap:16px}.footer-brand img{border-radius:10px}.footer-brand strong{display:block;margin-bottom:8px;font-family:var(--serif);font-size:1.25rem}.footer-brand p{max-width:440px;color:var(--footer-muted)}.footer-column{display:grid;align-content:start;gap:9px}.footer-column strong{margin-bottom:8px;color:var(--footer-text);font-family:var(--sans);font-size:.9rem}.footer-column a{color:var(--footer-link);font-size:.9rem}.footer-column a:hover{color:var(--white)}.footer-bottom{display:flex;justify-content:space-between;gap:24px;padding-top:22px;border-top:1px solid var(--footer-line);color:var(--footer-dim);font-family:var(--sans);font-size:.68rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:1180px){.header-inner{grid-template-columns:minmax(0,1fr) auto}.nav-toggle{display:grid;justify-self:end}nav{position:absolute;top:80px;left:0;right:0;display:none;padding:24px;background:var(--paper-light);border-bottom:1px solid var(--line-dark)}nav.open{display:grid}nav a{padding:8px 0}nav a:after{display:none}.header-actions{justify-self:end}}@media(max-width:720px){.container,.narrow{width:min(100% - 28px,1280px)}.section{padding:68px 0}.header-inner{min-height:68px;gap:12px}nav{top:68px}.brand small{display:none}.language-panel{right:-12px}.section-heading{margin-bottom:36px}.footer-grid{grid-template-columns:1fr 1fr;gap:40px 24px}.footer-brand{grid-column:1 / -1}.footer-bottom{flex-direction:column;gap:8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(max-width:480px){.header-inner,.header-actions,.brand{gap:8px}.brand strong{font-size:.9rem}}