/* AMD Consulting. One 1040px column, quiet alternating bands, serif display over a plain sans.
   Tokens come from the AI rater validation page draft so the whole site reads as one. */
:root{
  --bg:#fdfdfb; --fg:#15201e; --muted:#56625f; --line:#dfe6e3; --band:#f1f6f3; --card:#ffffff;
  --ink:#0f6e56; --ink-strong:#085041; --on-ink:#ffffff;
  --dark:#15201e; --on-dark:#e9efed; --on-dark-ink:#5dcaa5; --on-dark-muted:#a9b7b3; --dark-line:#33423e;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#101615; --fg:#e8eeec; --muted:#9fadaa; --line:#27332f; --band:#172120; --card:#141c1b;
  --ink:#5dcaa5; --ink-strong:#9fe1cb; --on-ink:#062a20;
  --dark:#0a0f0e; --on-dark:#e9efed; --on-dark-ink:#5dcaa5; --on-dark-muted:#a9b7b3; --dark-line:#2a3633; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#101615; --fg:#e8eeec; --muted:#9fadaa; --line:#27332f; --band:#172120; --card:#141c1b;
  --ink:#5dcaa5; --ink-strong:#9fe1cb; --on-ink:#062a20;
  --dark:#0a0f0e; --on-dark:#e9efed; --on-dark-ink:#5dcaa5; --on-dark-muted:#a9b7b3; --dark-line:#2a3633; color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;line-height:1.65}
a{color:var(--ink)} a:hover{color:var(--ink-strong)}
a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(24px, env(safe-area-inset-left, 0px));padding-right:max(24px, env(safe-area-inset-right, 0px))}
@media(max-width:480px){.wrap{padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}}
.band{background:var(--band)} .dark{background:var(--dark);color:var(--on-dark)}
section{padding-block:72px}
@media(max-width:760px){section{padding-block:52px}}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-0.01em;line-height:1.15;text-wrap:balance;margin:0}
h1{font-size:clamp(34px,5.2vw,54px);max-width:20ch}
h2{font-size:clamp(25px,3.3vw,33px);max-width:28ch}
h3{font-size:19px}
p{margin:0;max-width:66ch}
ul,ol{margin:0}
.stack{display:flex;flex-direction:column;gap:16px}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--ink)}
.lead{font-size:20px;line-height:1.55;color:var(--muted);max-width:60ch}
.muted{color:var(--muted)} .small{font-size:15px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:12px 26px;border-radius:6px;background:var(--ink);color:var(--on-ink);font-weight:600;text-decoration:none}
.btn:hover{background:var(--ink-strong);color:var(--on-ink)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn.ghost:hover{background:var(--band);color:var(--ink-strong)}
.actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 48px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 36px}
@media(max-width:860px){.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.grid2,.grid3{grid-template-columns:1fr}}
.grid2>*,.grid3>*{min-width:0}

/* Header */
header.top{border-bottom:1px solid var(--line);background:var(--bg)}
header.top .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;padding-block:14px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none}
.logo .cells{display:flex;border:2px solid currentColor;font-family:var(--sans);font-weight:600;font-size:17px;line-height:1}
.logo .cells span{width:26px;height:30px;display:grid;place-items:center}
.logo .cells span+span{border-left:2px solid currentColor}
.logo .name{display:flex;flex-direction:column;line-height:1.1}
.logo .name b{font-family:var(--serif);font-weight:600;font-size:19px}
.logo .name i{font-style:normal;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
nav.links{display:flex;flex-wrap:wrap;align-items:center;gap:4px 20px;font-size:15px}
nav.links>a,nav.links summary{color:var(--muted);text-decoration:none;cursor:pointer;padding-block:6px}
nav.links>a:hover,nav.links summary:hover{color:var(--fg)}
nav.links a[aria-current="page"],nav.links .current>summary{color:var(--fg);font-weight:600}
nav.links details{position:relative}
nav.links summary{list-style:none;display:inline-flex;align-items:center;gap:6px}
nav.links summary::-webkit-details-marker{display:none}
nav.links summary::after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg)}
nav.links details[open] summary::after{transform:translateY(1px) rotate(-135deg)}
nav.links .menu{position:absolute;z-index:20;top:calc(100% + 8px);left:-14px;min-width:230px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px;display:flex;flex-direction:column;box-shadow:0 10px 30px rgba(10,20,18,.10)}
nav.links .menu a{padding:9px 12px;border-radius:5px;color:var(--fg);text-decoration:none}
nav.links .menu a:hover{background:var(--band)}
nav.links .menu a[aria-current="page"]{font-weight:600;color:var(--ink)}
@media(max-width:760px){
  header.top .wrap{flex-direction:column;align-items:flex-start}
  nav.links{gap:2px 18px}
  nav.links .menu{position:static;box-shadow:none;margin-top:6px;min-width:0}
  nav.links details[open]{flex-basis:100%}
}

/* Page heads and content */
.pagehead{padding-block:64px 44px}
.pagehead .stack{gap:18px}
.prose{display:flex;flex-direction:column;gap:18px}
.prose h2{margin-top:18px}
.items{display:grid;gap:22px}
.items.two{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 44px}
@media(max-width:760px){.items.two{grid-template-columns:1fr}}
.item{border-top:1px solid var(--line);padding-top:16px;min-width:0}
.item h3{font-family:var(--sans);font-size:17px;font-weight:600;margin-bottom:6px}
.item p{color:var(--muted);font-size:16px}
.dark .item{border-top-color:var(--dark-line)} .dark .item h3{color:var(--on-dark)} .dark .item p{color:var(--on-dark-muted)}
.card{display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:2px solid var(--fg);color:inherit;text-decoration:none}
.card h3{font-size:21px}
.card p{color:var(--muted);font-size:16px}
.card .more{font-size:14.5px;font-weight:600;color:var(--ink);margin-top:2px}
a.card:hover h3{color:var(--ink)}
.dark h2,.dark h3{color:var(--on-dark)} .dark .lead,.dark p{color:var(--on-dark-muted)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:32px 56px;align-items:start}
@media(max-width:760px){.split{grid-template-columns:1fr}}
.steps{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:12px}
.steps strong{font-weight:600}

/* CTA band */
.cta{background:var(--ink);color:var(--on-ink);text-align:center}
.cta h2{color:var(--on-ink);margin-inline:auto;max-width:30ch}
.cta .btn{background:var(--on-ink);color:var(--ink);margin-top:24px}
.cta .btn:hover{opacity:.92;color:var(--ink)}
.cta p{margin:18px auto 0;color:var(--on-ink);opacity:.88;font-size:15px}
.addr{font-family:var(--mono);font-size:.95em;user-select:all;word-break:break-all}

/* Resources */
.reslist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 48px}
@media(max-width:760px){.reslist{grid-template-columns:1fr}}
.resgroup{min-width:0;display:flex;flex-direction:column;gap:10px}
.resgroup h2{font-size:23px}
.resgroup ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}
.resgroup li{font-size:16px;line-height:1.5}
.resgroup li span{color:var(--muted)}
.resgroup h3{font-family:var(--sans);font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:8px}

/* Blog list */
.posts{list-style:none;padding:0;margin:0;display:flex;flex-direction:column}
.posts li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:6px 28px;padding-block:22px;border-top:1px solid var(--line)}
.posts time{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:3px}
.posts h2{font-size:22px;max-width:none}
.posts .cat{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);font-weight:600}
.posts p{color:var(--muted);font-size:16px;margin-top:6px}
@media(max-width:600px){.posts li{grid-template-columns:1fr}}

/* Downloads */
.downloads{list-style:none;padding:0;margin:0;display:flex;flex-direction:column}
.downloads li{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;padding-block:18px;border-top:1px solid var(--line)}
.downloads li:last-child{border-bottom:1px solid var(--line)}
.downloads span{font-weight:500}
.downloads small{color:var(--muted);font-weight:400;margin-left:6px}

/* Contact */
.facts{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:10px 22px;margin:0}
.facts dt{color:var(--muted)} .facts dd{margin:0}
.hours{border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:16px}
.hours td{padding:6px 24px 6px 0;border-bottom:1px solid var(--line)}
.social{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px}
.copybtn{font:inherit;font-size:14px;font-weight:600;min-height:40px;padding:8px 16px;border-radius:6px;border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer}
.copybtn:hover{background:var(--band)}

/* About */
.bio{display:flex;flex-direction:column;gap:18px}
.badge{display:inline-flex;align-items:center;gap:10px;font-size:15px;border:1px solid var(--line);border-radius:6px;padding:10px 14px;text-decoration:none;color:var(--fg);align-self:flex-start}

/* AI rater validation page (from the draft) */
.tablebox{overflow-x:auto;margin-top:28px}
table.std{width:100%;border-collapse:collapse;font-size:15.5px;min-width:620px}
table.std th{text-align:left;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:0 16px 10px 0;border-bottom:1px solid var(--fg)}
table.std td{vertical-align:top;padding:14px 16px 14px 0;border-bottom:1px solid var(--line)}
table.std td:first-child{font-weight:600;width:22%} table.std td.cite{color:var(--muted);width:24%}
.five{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 48px;margin-top:36px}
@media(max-width:760px){.five{grid-template-columns:1fr}}
.five div{border-top:1px solid var(--dark-line);padding-top:16px;min-width:0}
.five h3{font-family:var(--sans);font-size:17px;font-weight:600;margin-bottom:6px;color:var(--on-dark)}
.five p{color:var(--on-dark-muted);font-size:16px}
.five .how{display:block;margin-top:8px;font-family:var(--mono);font-size:13px;color:var(--on-dark-ink)}
.dark .eyebrow{color:var(--on-dark-ink)}
.reg{border:1px solid var(--line);border-radius:10px;padding:24px 26px;background:var(--bg);min-width:0}
.reg dl{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:8px 18px;margin:16px 0 0;font-size:15px}
.reg dt{color:var(--muted)} .reg dd{margin:0;min-width:0}
.signtable{width:100%;border-collapse:collapse;margin-top:14px;font-size:15px;font-variant-numeric:tabular-nums}
.signtable th{text-align:left;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:0 12px 8px 0;border-bottom:1px solid var(--fg)}
.signtable td{padding:10px 12px 10px 0;border-bottom:1px solid var(--line)}
.who{display:flex;flex-direction:column;gap:18px}
@media(max-width:480px){.reg{padding:20px 18px}.reg dl{grid-template-columns:1fr;gap:2px}.reg dd{margin-bottom:8px}}

/* Footer */
footer.site{border-top:1px solid var(--line);padding-block:40px 30px;font-size:15px;color:var(--muted)}
footer.site .cols{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(2,minmax(0,1fr));gap:28px 40px}
@media(max-width:760px){footer.site .cols{grid-template-columns:1fr}}
footer.site h3{font-family:var(--sans);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg);margin-bottom:10px}
footer.site ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px}
footer.site a{color:var(--muted);text-decoration:none} footer.site a:hover{color:var(--fg);text-decoration:underline}
footer.site .legal{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:14px}

/* Blog posts */
.posts h2 a{color:var(--fg);text-decoration:none} .posts h2 a:hover{color:var(--ink);text-decoration:underline}
.article{max-width:70ch;display:flex;flex-direction:column;gap:16px}
.article h2{font-size:25px;margin-top:16px} .article h3{font-family:var(--sans);font-size:18px;margin-top:8px}
.article ul,.article ol{padding-left:22px;display:flex;flex-direction:column;gap:8px}
.article blockquote{margin:0;padding-left:18px;border-left:2px solid var(--line);color:var(--muted)}
.article a{word-break:break-word}

/* Phone hardening (Nov 4): keep iOS from inflating text, keep the logo tagline on one line,
   let side-by-side button notes drop under their button, and stack the rater table. */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{overflow-wrap:break-word}
img,svg,video{max-width:100%;height:auto}
.logo .name i{white-space:nowrap}
.actions>span,.actions>p{flex:1 1 240px;min-width:0}
@media(max-width:760px){
  header.top .wrap{gap:8px}
  nav.links{font-size:15.5px;row-gap:0}
  nav.links>a,nav.links summary{padding-block:8px}
  .pagehead{padding-block:44px 32px}
  .lead{font-size:18px}
  .hours td{padding-right:16px}
}
@media(max-width:600px){
  .tablebox{overflow:visible}
  table.std{min-width:0}
  table.std thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  table.std,table.std tbody,table.std tr,table.std td{display:block;width:auto}
  table.std tr{padding-block:14px;border-bottom:1px solid var(--line)}
  table.std td{border:0;padding:2px 0}
  table.std td:first-child{width:auto;font-size:17px;margin-bottom:4px}
  table.std td.cite{width:auto;font-size:14px}
  table.std td.cite::before{content:"SIOP 2023: ";font-weight:600}
  table.std td:last-child::before{content:"What you get: ";font-weight:600}
}

/* About page portrait */
.portrait{display:block;width:100%;max-width:260px;height:auto;border-radius:6px;background:#3a3a3a}
@media(max-width:760px){.portrait{max-width:200px}}