:root{
  --paper:#EEF2F5; --panel:#FFFFFF; --ink:#1B2A3A; --muted:#566575;
  --teal:#0F6E68; --teal-soft:#D7ECEA; --amber:#9A4A08; --amber-soft:#F7E6D3; --line:#C9D3DC;
  --serif:"Literata", Georgia, "Times New Roman", serif;
  --sans:"Archivo", "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:1.0625rem;line-height:1.7}
a{color:var(--teal);text-underline-offset:.18em}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--panel);padding:.5rem 1rem;z-index:10}

.site-header{background:var(--ink);color:#fff}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.75rem 2rem;padding-top:1.1rem;padding-bottom:1.1rem}
.wordmark{font-family:var(--sans);font-weight:800;font-stretch:88%;font-size:1.35rem;letter-spacing:-.01em;color:#fff;text-decoration:none}
.wordmark span{color:#8FD3CC;font-weight:500}
.nav{display:flex;flex-wrap:wrap;gap:.35rem 1.25rem;font-family:var(--sans);font-size:.95rem}
.nav a{color:#D5DEE7;text-decoration:none;padding:.2rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:#fff;border-bottom-color:#8FD3CC}

.wrap{max-width:70rem;margin:0 auto;padding-left:1.25rem;padding-right:1.25rem}
main{padding:2.5rem 0 4rem}
.article{display:grid;grid-template-columns:minmax(0,40rem) minmax(0,17rem);gap:3.5rem;align-items:start}
.article-body{min-width:0}
@media (max-width:60rem){.article{grid-template-columns:1fr;gap:2rem}}

h1,h2,h3{font-family:var(--sans);line-height:1.15;color:var(--ink)}
h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:800;font-stretch:90%;letter-spacing:-.02em;margin:0 0 1rem}
h2{font-size:1.55rem;font-weight:700;margin:2.6rem 0 .75rem}
h3{font-size:1.15rem;font-weight:700;margin:1.8rem 0 .5rem}
p,ul,ol{margin:0 0 1.1rem}
li{margin-bottom:.4rem}
.lede{font-size:1.2rem;line-height:1.6;color:var(--ink)}
.meta{font-family:var(--sans);font-size:.88rem;color:var(--muted);margin-bottom:2rem}

.aside{position:sticky;top:1.5rem;font-family:var(--sans);font-size:.95rem;line-height:1.55}
.aside section{background:var(--panel);border-left:4px solid var(--teal);padding:1.1rem 1.2rem;margin-bottom:1.25rem}
.aside h2{font-size:1rem;margin:0 0 .5rem}
.aside ul{padding-left:1.1rem;margin:0}
.aside .help{border-left-color:var(--amber)}

.note{background:var(--amber-soft);border-left:4px solid var(--amber);padding:1rem 1.2rem;margin:1.5rem 0;font-family:var(--sans);font-size:.97rem;line-height:1.55}
.fact{background:var(--teal-soft);border-left:4px solid var(--teal);padding:1rem 1.2rem;margin:1.5rem 0;font-family:var(--sans);font-size:.97rem;line-height:1.55}
.table-wrap{overflow-x:auto;margin:1.5rem 0}
table{border-collapse:collapse;width:100%;font-family:var(--sans);font-size:.95rem;background:var(--panel)}
th,td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#E1E8EE}

/* Home hero: the reel demo */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:3rem;align-items:center;padding:1rem 0 3rem;border-bottom:1px solid var(--line)}
@media (max-width:52rem){.hero{grid-template-columns:1fr;gap:2rem}}
.hero h1{font-size:clamp(2.3rem,5.5vw,3.8rem)}
.reel-box{background:var(--ink);color:#fff;padding:1.5rem;font-family:var(--sans)}
.reels{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin-bottom:1rem}
.reel{background:#fff;color:var(--ink);height:6rem;display:flex;align-items:center;justify-content:center;font-size:2.6rem;font-weight:800;border-radius:4px;overflow:hidden}
.reel.spin span{animation:roll .5s ease-out}
@keyframes roll{from{transform:translateY(-70%);opacity:.2}to{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){.reel.spin span{animation:none}}
.reel-controls{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.btn{font-family:var(--sans);font-weight:700;font-size:1rem;background:#8FD3CC;color:var(--ink);border:0;padding:.7rem 1.3rem;border-radius:4px;cursor:pointer}
.btn:hover{background:#fff}
.reel-stats{font-size:.92rem;color:#C9D5E0;line-height:1.5;margin:0}
.reel-caption{font-size:.9rem;color:#C9D5E0;margin:1rem 0 0;line-height:1.5}

.topics{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:0;margin:2.5rem 0;border-top:1px solid var(--line)}
.topic{padding:1.4rem 1.4rem 1.4rem 0;border-bottom:1px solid var(--line)}
.topic h2{font-size:1.2rem;margin:0 0 .4rem}
.topic h2 a{color:var(--ink);text-decoration:none}
.topic h2 a:hover{color:var(--teal);text-decoration:underline}
.topic p{margin:0;font-size:1rem;color:var(--muted)}

.site-footer{background:#DCE3EA;font-family:var(--sans);font-size:.92rem;line-height:1.6;padding:2rem 0}
.site-footer .wrap{display:grid;grid-template-columns:2fr 1fr;gap:2rem}
@media (max-width:48rem){.site-footer .wrap{grid-template-columns:1fr}}
.site-footer p{margin:0 0 .6rem}
.site-footer ul{list-style:none;padding:0;margin:0}