:root{color-scheme:dark;--bg:#09090b;--panel:#141418;--text:#f7f7f8;--muted:#a1a1aa;--line:#29292f;--accent:#67e8f9}
*{box-sizing:border-box}
html{font-family:"Geist",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
body{margin:0}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
.skip-link{position:fixed;left:16px;top:12px;z-index:60;transform:translateY(-64px);border-radius:6px;background:white;color:black;padding:8px 12px;font-size:.875rem;font-weight:600;text-decoration:none;transition:transform 150ms}
.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.08);background:#000}
.site-header-inner{position:relative;display:flex;align-items:center;gap:12px;width:100%;max-width:1400px;height:64px;margin:auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;color:white;text-decoration:none}
.brand strong{font-size:1rem;letter-spacing:-.01em}
.brand span{color:rgba(255,255,255,.3);font-size:.75rem}
.desktop-nav{position:absolute;left:50%;display:flex;min-width:0;align-items:center;justify-content:center;gap:clamp(16px,1.8vw,24px);transform:translateX(-50%)}
.desktop-nav>a,.browse-menu>summary{display:inline-flex;height:64px;align-items:center;white-space:nowrap;padding:0 4px;color:rgba(255,255,255,.55);font-size:.875rem;text-decoration:none;transition:color 150ms}
.desktop-nav>a:hover,.browse-menu>summary:hover{color:white}
.browse-menu,.compact-menu{position:relative}
.browse-menu>summary,.compact-menu>summary{cursor:pointer;list-style:none}
.browse-menu>summary::-webkit-details-marker,.compact-menu>summary::-webkit-details-marker{display:none}
.browse-menu>summary span,.compact-menu>summary span{margin-left:4px;font-size:.625rem;transition:transform 150ms}
.browse-menu[open]>summary span,.compact-menu[open]>summary span{transform:rotate(180deg)}
.browse-panel{position:absolute;left:50%;top:calc(100% + 4px);display:grid;width:448px;grid-template-columns:1fr 1fr;gap:4px;transform:translateX(-50%);border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#000;padding:8px}
.browse-panel a,.compact-menu nav a{display:block;border-radius:6px;color:rgba(255,255,255,.65);padding:8px 12px;font-size:.875rem;text-decoration:none;transition:background 150ms,color 150ms}
.browse-panel a:hover,.compact-menu nav a:hover{background:rgba(255,255,255,.05);color:white}
.compact-menu{display:none;margin-left:auto}
.compact-menu>summary{display:flex;height:36px;align-items:center;border:1px solid rgba(255,255,255,.15);border-radius:6px;padding:0 12px;color:white;font-size:.75rem;font-weight:600}
.compact-menu nav{position:absolute;right:0;top:calc(100% + 8px);width:min(352px,calc(100vw - 32px));max-height:calc(100vh - 80px);overflow-y:auto;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#000;padding:8px}
.compact-menu nav p{margin:0;padding:8px 12px 4px;color:rgba(255,255,255,.38);font-size:.6875rem;font-weight:600}
.compact-menu nav hr{margin:8px 12px;border:0;border-top:1px solid rgba(255,255,255,.08)}
main,footer{width:min(1120px,calc(100% - 32px));margin:auto}
main{padding:48px 0 80px}
.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;color:#71717a;font-size:.82rem;margin-bottom:28px}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{color:white}
article{max-width:920px}
h1{font-size:clamp(2.6rem,7vw,5rem);line-height:1.02;letter-spacing:-.04em;margin:.2em 0 .35em}
h2{font-size:1.55rem;letter-spacing:-.02em;margin-top:2.2em}
h3{font-size:1.08rem}
h4{color:#d4d4d8}
.lede{font-size:clamp(1.08rem,2vw,1.35rem);color:#d4d4d8;max-width:780px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:#71717a}
.muted{color:var(--muted)}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}
.pills span{border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:#d4d4d8;font-size:.78rem}
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card,.practice-card,.milestone{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin:14px 0}
.card h3,.practice-card h3,.milestone h3{margin:.25em 0}
.card p:last-child{color:var(--muted)}
.link-list,.resource-list{padding-left:20px}
.link-list li,.resource-list li{margin:.45em 0}
.cta{margin-top:36px;font-weight:700}
footer{border-top:1px solid var(--line);padding:28px 0 48px;color:var(--muted);font-size:.86rem}
@media(max-width:1023px){.site-header-inner{padding:0 16px}.desktop-nav{display:none}.compact-menu{display:block}}
@media(max-width:520px){.brand span{display:none}main{padding-top:32px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto;transition-duration:.001ms!important}}