/* ---------- self-hosted fonts (latin subset, woff2) ---------- */
/* Archivo and Public Sans are variable fonts: one file serves the whole
   weight range the CSS uses. IBM Plex Mono ships only the 400 weight in use.
   Paths are relative to this file in css/, so fonts resolve at ../assets/fonts/. */
@font-face{
  font-family:'Archivo';
  font-style:normal;
  font-weight:700 800;
  font-display:swap;
  src:url(../assets/fonts/archivo.woff2) format('woff2');
}
@font-face{
  font-family:'Public Sans';
  font-style:normal;
  font-weight:400 600;
  font-display:swap;
  src:url(../assets/fonts/public-sans.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono';
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url(../assets/fonts/ibm-plex-mono-400.woff2) format('woff2');
}

:root{
  --ink:#00274C;        /* U-M blue, used as text ink */
  --ink-soft:#2E4A66;
  --paper:#F6F7F5;      /* cool paper */
  --card:#FFFFFF;
  --maize:#FFCB05;      /* accent only */
  --slate:#5B6B7A;
  --line:#D9DEE3;
  --deep:#001A33;
  --radius:6px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
}
body{
  font-family:'Public Sans',system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-size:16px;
}
::selection{background:var(--maize);color:var(--ink)}

/* ---------- utilities ---------- */
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--slate);
}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
/* SC 1.4.11: the ring itself has to clear 3:1 against whatever sits behind
   it. Maize alone was 1.4:1 on paper, so ink carries the indicator on light
   backgrounds and maize fills the 2px offset gap as brand trim. Inside the
   dark coder-band an ink ring would vanish, so that context flips: maize
   carries the indicator and deep fills the gap. */
a:focus-visible,button:focus-visible{
  outline:3px solid var(--ink);
  outline-offset:2px;
  box-shadow:0 0 0 5px var(--maize);
}
.coder-band a:focus-visible{
  outline-color:var(--maize);
  box-shadow:0 0 0 5px var(--deep);
}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--ink);color:#fff;font-weight:600;font-size:14px;
  padding:10px 16px;border-radius:0 0 var(--radius) 0;text-decoration:none;
}
.skip-link:focus{left:0}
button.book-btn{border:0;font:inherit;font-weight:600;font-size:14px;cursor:pointer}
button.book-btn:disabled{opacity:.6;cursor:not-allowed}

/* ---------- nav ---------- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(246,247,245,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{
  font-family:'Archivo',sans-serif;font-weight:800;font-size:20px;
  text-decoration:none;color:var(--ink);letter-spacing:-.02em;
}
.logo .at{color:transparent;-webkit-text-stroke:1.2px var(--ink)}
.logo .maize-dot{color:var(--maize)}
.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{
  text-decoration:none;color:var(--ink-soft);font-size:14px;font-weight:500;
  padding:8px 12px;border-radius:var(--radius);
}
.nav-links a:hover{background:#E9ECE9;color:var(--ink)}
.nav-cta{
  background:var(--ink);color:#fff !important;font-weight:600;
}
.nav-cta:hover{background:var(--deep) !important}
.menu-btn{
  display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);
  padding:8px 12px;font:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;
}
@media(max-width:720px){
  .menu-btn{display:block}
  .nav-links{
    display:none;position:absolute;top:60px;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;padding:8px 16px 16px;gap:2px;
  }
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:12px}
  .nav-links .nav-cta{text-align:center;margin-top:6px}
}

/* ---------- hero ---------- */
header{padding:72px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:40px}}
h1{
  font-family:'Archivo',sans-serif;font-weight:800;
  font-size:clamp(38px,5.4vw,58px);line-height:1.05;letter-spacing:-.025em;
  margin:16px 0 20px;
}
.hl{
  background:linear-gradient(transparent 58%, var(--maize) 58%, var(--maize) 92%, transparent 92%);
  padding:0 2px;
}
.hero-sub{font-size:18px;color:var(--ink-soft);max-width:46ch}

/* the survey-card signature */
.survey-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 1px 0 var(--line), 0 12px 32px rgba(0,39,76,.07);
  padding:28px;position:relative;
}
.survey-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;
  background:var(--maize);border-radius:var(--radius) var(--radius) 0 0;
}
.survey-head{
  display:flex;justify-content:space-between;align-items:baseline;
  border-bottom:1px dashed var(--line);padding-bottom:12px;margin-bottom:16px;
}
.survey-head .item-no{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--slate);letter-spacing:.1em}
.survey-q{font-family:'Archivo',sans-serif;font-weight:700;font-size:20px;margin-bottom:14px}
.survey-opt{
  display:flex;align-items:center;gap:14px;
  padding:13px 14px;margin-bottom:8px;
  border:1px solid var(--line);border-radius:var(--radius);
  text-decoration:none;color:var(--ink);font-weight:500;font-size:15px;
  transition:border-color .15s ease, background .15s ease;
}
.survey-opt:hover{border-color:var(--ink);background:#FFFDF2}
.survey-opt .box{
  width:18px;height:18px;flex:none;border:2px solid var(--ink);border-radius:3px;
  position:relative;transition:background .15s ease;
}
.survey-opt:hover .box{background:var(--maize)}
.survey-opt:hover .box::after{
  content:"✕";position:absolute;inset:0;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--ink);line-height:1;
}
.survey-opt .opt-code{margin-left:auto;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--slate)}
.survey-foot{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--slate);margin-top:14px}

/* ---------- sections ---------- */
section,header{scroll-margin-top:72px}
section{padding:72px 0;border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:40px;max-width:60ch}
h2{
  font-family:'Archivo',sans-serif;font-weight:800;
  font-size:clamp(26px,3.4vw,36px);letter-spacing:-.02em;margin:10px 0 12px;
}
.sec-head p{color:var(--ink-soft)}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:720px){.svc-grid{grid-template-columns:1fr}}
.svc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;
}
.svc .code{
  font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--slate);
  letter-spacing:.1em;display:block;margin-bottom:10px;
}
.svc h3{font-family:'Archivo',sans-serif;font-weight:700;font-size:18px;margin-bottom:8px}
.svc p{font-size:14.5px;color:var(--ink-soft)}

/* portfolio */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:860px){.case-grid{grid-template-columns:1fr}}
.case{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:12px;
}
.case .code{
  font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--slate);letter-spacing:.1em;
}
.case h3{font-family:'Archivo',sans-serif;font-weight:700;font-size:17px}
.case dl{display:flex;flex-direction:column;gap:8px;margin:0}
.case dt{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--slate);
}
.case dd{font-size:14px;color:var(--ink-soft);margin:0 0 2px}

/* team */
/* The team sub-section centers as a block: label, intro, and the card pair
   share one 720px column. Card interiors keep their left alignment. */
.team-label{max-width:720px;margin:40px auto 0}
.team-label .group-label{justify-content:center;text-align:center}
.team-label .group-label::before{content:"";flex:1;height:1px;background:var(--line)}
.team-intro{
  color:var(--ink-soft);max-width:60ch;
  margin:12px auto 24px;text-align:center;
}
/* minmax(0,1fr) lets tracks shrink below card content width, so narrow
   viewports wrap instead of overflowing. */
.team-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  max-width:720px;margin:0 auto;
}
@media(max-width:560px){
  .team-grid{grid-template-columns:minmax(0,1fr);max-width:340px}
}
.member{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:12px;
}
.avatar{
  width:56px;height:56px;border-radius:50%;
  background:var(--ink);color:var(--maize);
  display:grid;place-items:center;
  font-family:'Archivo',sans-serif;font-weight:800;font-size:20px;
}
.member h3{font-family:'Archivo',sans-serif;font-weight:700;font-size:17px}
.member .role{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--slate);letter-spacing:.06em;text-transform:uppercase}
.member p{font-size:14px;color:var(--ink-soft);flex:1}
.book-btn{
  display:inline-block;text-align:center;text-decoration:none;
  background:var(--ink);color:#fff;font-weight:600;font-size:14px;
  padding:10px 16px;border-radius:var(--radius);
  transition:background .15s ease;
}
.book-btn:hover{background:var(--deep)}

/* coderspaces */
.coder-band{
  background:var(--deep);color:#E8EDF2;border-radius:var(--radius);
  padding:44px 40px;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
@media(max-width:820px){.coder-band{grid-template-columns:1fr;padding:32px 24px}}
.coder-band h3{
  font-family:'Archivo',sans-serif;font-weight:800;color:#fff;
  font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;margin:6px 0 12px;
}
.coder-band .eyebrow{color:#9FB2C4}
.coder-band p{color:#C4D0DC;font-size:15px}
.coder-band a{color:var(--maize);text-underline-offset:3px}
.coder-band a:hover{color:#fff}
.coder-band .sponsors{font-family:'IBM Plex Mono',monospace;font-size:11px;color:#8FA3B6;margin-top:16px}
.coder-times{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius);padding:20px;
  font-family:'IBM Plex Mono',monospace;font-size:13px;line-height:2;color:#E8EDF2;
}
.coder-times .dot{color:var(--maize)}

/* partners */
.partner-group{margin-bottom:28px}
.group-label{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);
  display:flex;align-items:center;gap:12px;margin-bottom:12px;
}
.group-label::after{content:"";flex:1;height:1px;background:var(--line)}
.partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:860px){.partner-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.partner-grid{grid-template-columns:1fr}}
.partner{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;
}
.partner h3{font-family:'Archivo',sans-serif;font-weight:700;font-size:18px;margin-bottom:6px}
.partner p{font-size:14.5px;color:var(--ink-soft);margin-bottom:12px}
.partner a{color:var(--ink);font-weight:600;font-size:14px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:720px){.contact-grid{grid-template-columns:1fr}}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;
}
.contact-card h3{font-family:'Archivo',sans-serif;font-weight:700;font-size:18px;margin-bottom:8px}
.contact-card p{font-size:14.5px;color:var(--ink-soft);margin-bottom:16px}
.placeholder-tag{
  display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;
  background:#FFF6D6;border:1px solid #EAD98F;color:#6B5E1D;
  padding:2px 8px;border-radius:99px;margin-bottom:12px;
}

/* footer */
footer{padding:40px 0 56px;color:var(--slate);font-size:13px}
.foot-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer .mono{font-size:11.5px}