:root{--paper:#F6F7F9;--surface:#FFFFFF;--ink:#18202E;--navy:#16233F;--navy-2:#22335A;--slate:#586174;--rule:#D8DCE3;--link:#1D4ED8;--flag:#C2361F;--amber:#E9A23B;--amber-ink:#8A5A0B;--teal:#0F766E;--sky-tint:#EAF1FD;--teal-tint:#E7F4F1;--amber-tint:#FDF4E3;--serif:Charter,"Bitstream Charter","Sitka Text",Cambria,Georgia,serif;--mono:ui-monospace,"Cascadia Mono","SF Mono",Menlo,Consolas,monospace;--measure:66ch}
*{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:1.125rem;line-height:1.6}
a{color:var(--link);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
a:focus-visible,.button:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 1.5rem}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:var(--surface);padding:.5rem 1rem;z-index:10}

/* Header */
.site-header{background:var(--navy);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:1rem;padding-bottom:1rem}
.brand{font-weight:700;font-size:1.25rem;color:#fff;text-decoration:none;letter-spacing:-.01em}
.brand:hover{text-decoration:underline}
.nav{display:flex;gap:1.5rem;align-items:center;font-size:1rem}
.nav a{color:#DCE4F5}
.nav a:hover{color:#fff}

/* Hero */
.hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:4.5rem 0 5rem;border-bottom:6px solid var(--amber)}
.hero h1{font-size:clamp(2.25rem,5.5vw,3.75rem);line-height:1.1;font-weight:700;letter-spacing:-.02em;margin:0 0 1.75rem;max-width:none}
.hero h1 span{display:block}
.hero .lede{font-size:1.25rem;color:#DCE4F5;max-width:var(--measure);margin-bottom:2rem}
.actions{display:flex;flex-wrap:wrap;gap:1rem 1.75rem;align-items:center}
.button{display:inline-block;background:var(--amber);color:var(--navy);font-weight:700;text-decoration:none;padding:.75rem 1.3rem;border-radius:4px;font-size:1.0625rem}
.button:hover{background:#F3B85C}
.hero .actions a:not(.button){color:#fff}
.actions small{display:block;color:#B9C5DE;font-size:.9375rem}

/* Sections */
section{padding:3.75rem 0}
section.tint-sky{background:var(--sky-tint)}
section.tint-teal{background:var(--teal-tint)}
section.tint-amber{background:var(--amber-tint)}
h2{font-size:1.875rem;line-height:1.2;letter-spacing:-.01em;margin:0 0 1rem}
h3{font-size:1.25rem;line-height:1.3;margin:0 0 .35rem}
p{margin:0 0 1rem;max-width:var(--measure)}
.intro{color:var(--slate);max-width:var(--measure)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:2rem 3rem;margin-top:2rem}
.cols>div{border-top:4px solid var(--link);padding-top:1rem}
.parts{display:grid;gap:2rem;margin-top:2rem;max-width:var(--measure)}
.part{padding-left:1.25rem;border-left:4px solid var(--rule)}
.part.scan{border-left-color:var(--flag)}
.part.dive{border-left-color:var(--amber)}
.part.ask{border-left-color:var(--link)}
.steps{list-style:none;padding:0;margin:2rem 0 0;counter-reset:step;max-width:var(--measure)}
.steps li{counter-increment:step;display:grid;grid-template-columns:3rem 1fr;padding:.9rem 0;border-bottom:1px solid #C9E3DC}
.steps li:last-child{border-bottom:0}
.steps li::before{content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:1.9rem;height:1.9rem;border-radius:50%;background:var(--teal);color:#fff;font-size:.9375rem;font-weight:700}
.steps strong{display:block}
.note{margin-top:2rem;padding:1.25rem 1.5rem;background:var(--surface);border:1px solid var(--rule);border-left:4px solid var(--teal);border-radius:4px;max-width:var(--measure)}
.note.keys{border-left-color:var(--amber)}
.note p:last-child{margin-bottom:0}
.sample{margin-top:2rem;background:var(--surface);border:1px solid var(--rule);border-radius:4px;max-width:52rem;overflow:hidden}
.sample-head{padding:1rem 1.5rem;background:var(--navy);color:#DCE4F5;font-size:1rem}
.sample-body{padding:1.5rem}
.sample-body dl{margin:0;display:grid;grid-template-columns:minmax(9rem,auto) 1fr;gap:.75rem 1.5rem}
.sample-body dt{font-weight:700}
.sample-body dd{margin:0}
.sample-foot{padding:1rem 1.5rem;border-top:1px solid var(--rule);color:var(--slate);font-size:1rem}
code{font-family:var(--mono);font-size:.9em}

/* Legal pages */
.doc{padding:3.5rem 1.5rem 4rem}
.doc h1{font-size:2.5rem;line-height:1.15;letter-spacing:-.02em;margin:0 0 .5rem}
.doc .updated{color:var(--slate);margin-bottom:2.5rem}
.doc h2{font-size:1.375rem;margin:2.25rem 0 .5rem;padding-top:1rem;border-top:3px solid var(--amber);display:inline-block}
.doc ul{max-width:var(--measure);padding-left:1.25rem;margin:0 0 1rem}
.doc li{margin-bottom:.4rem}

/* Footer */
.site-footer{background:var(--navy);color:#B9C5DE;padding:2rem 0 3rem;font-size:1rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
.site-footer nav{display:flex;gap:1.25rem;flex-wrap:wrap}
.site-footer a{color:#DCE4F5}

@media (max-width:640px){
  body{font-size:1.0625rem}
  .hero{padding:3rem 0 3.5rem}
  .nav{gap:1rem}
  .nav .hide-sm{display:none}
  .sample-body dl{grid-template-columns:1fr;gap:.25rem}
  .sample-body dd{margin-bottom:.75rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}