:root{color-scheme:light dark;scrollbar-gutter:stable;--ink: #0f172a;--canvas: #f1f5f9;--paper: #fff;--white: #fff;--line: rgba(15, 23, 42, .12);--blue: #2563eb;--blue-light: #7fa8f5;--blue-pale: #e7edfd;--blue-deep: #1d4ed8;--coral: #e2624a;--coral-pale: #f7d1c9;--coral-text: #7d463d;--muted: #475569;--muted-2: #5b6870;--logo-2: #8ab6d4;--logo-3: #173f65;--logo-4: #4d88b2;--chip-text: #fff;--ink-solid: #0f172a;--display: "Cabinet Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--body: "Satoshi", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--ease: cubic-bezier(.16, 1, .3, 1);--nav-size: .8rem;--nav-weight: 700;--nav-color: var(--muted);--nav-color-active: var(--blue);--header-page: min(1280px, calc(100% - 56px) );--header-height: 86px;--header-gap: 34px;--header-logo-size: 42px;--header-brand-size: 19px}@media (prefers-color-scheme: dark){:root{--ink: #e7ecf3;--canvas: #0b1220;--paper: #141d2e;--white: #141d2e;--line: rgba(255, 255, 255, .12);--blue: #5b8cff;--blue-light: #8fb4ff;--blue-pale: #1a2540;--blue-deep: #3b63c9;--coral: #f0806a;--coral-pale: #3a2420;--coral-text: #f0c4b5;--muted: #a7b1c2;--muted-2: #94a0ac;--logo-3: #8ab6d4;--logo-4: #6fa8cc;--ink-solid: #1c2940}}@media (max-width: 850px){:root{--header-page: calc(100% - 32px) }}.mobile-menu{display:none}@media (max-width:850px){.mobile-menu{display:block;margin-left:auto;position:relative;flex:none;pointer-events:auto}.mobile-menu summary{list-style:none;width:54px;height:54px;border:1.5px solid rgba(15,23,42,.28);border-radius:50%;background:var(--blue-pale);box-shadow:0 6px 16px #0f172a1a;display:grid;place-content:center;gap:6px;cursor:pointer}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary i{width:22px;height:2.5px;border-radius:2px;background:var(--ink)}.about-header>nav,.center-header>nav,.knowledge-header>nav,.recovery-header>nav{display:none}.header-action{display:none}}.mobile-menu-backdrop{display:none}.mobile-menu[open] .mobile-menu-backdrop{display:block;position:fixed;inset:0;background:#0f172a73;backdrop-filter:blur(2px);z-index:39;animation:mm-fade .25s var(--ease)}@keyframes mm-fade{0%{opacity:0}to{opacity:1}}.mobile-menu nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);height:100vh;padding:22px 18px;background:var(--paper);border:none;border-left:1px solid var(--line);border-radius:0;box-shadow:-20px 0 60px #0f172a2e;display:flex;flex-direction:column;gap:4px;font-size:15px;z-index:40;transform:translate(100%);transition:transform .35s var(--ease)}.mobile-menu[open] nav{transform:translate(0)}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 14px;border-bottom:1px solid var(--line);margin-bottom:8px}.mobile-menu-title{font-family:var(--display);font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.mobile-menu nav a{display:flex;align-items:center;gap:12px;padding:15px 12px;font-size:16px;border-radius:12px;color:var(--ink);font-weight:600;text-decoration:none;transition:background .2s var(--ease)}.mobile-menu nav a i{width:36px;height:36px;border-radius:11px;display:grid;place-content:center;flex:none;font-style:normal;font-size:16px;color:var(--chip-text);background:var(--muted)}.mobile-menu nav a.nav-anatomy i{background:linear-gradient(135deg,var(--blue),var(--blue-deep))}.mobile-menu nav a.nav-injury i{background:var(--coral)}.mobile-menu nav a.nav-encyclopedia i{background:var(--ink-solid)}.mobile-menu nav a.nav-recovery i{background:linear-gradient(135deg,var(--blue),var(--blue-deep))}.mobile-menu nav a.nav-exercises i{background:linear-gradient(135deg,var(--blue),var(--blue-deep))}.mobile-menu nav a.nav-about i{background:var(--muted)}.mobile-menu nav a.nav-articles i{background:var(--blue)}.mobile-menu nav a:active,.mobile-menu nav a:hover{background:var(--canvas)}.mobile-menu-soon{margin-top:auto;padding:12px;text-align:center;font-size:11px;color:var(--muted);border-top:1px solid var(--line);font-weight:500}.mobile-menu-close{width:32px;height:32px;border-radius:50%;border:none;background:var(--canvas);color:var(--ink);font-size:13px;cursor:pointer}