:root{
    --ink:#241F21; --paper:#F3F9F9; --white:#FFFFFF;
    --teal:#00876F; --teal-deep:#00695A; --blue:#0B6FA8; --blue-deep:#124C82;
    --amber:#F7A537; --coral:#EA525E; --stripe-blue:#4C6DB4; --um6p-red:#D6512E;
    --line: rgba(36,31,33,0.14); --max: 1000px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{ background:var(--paper); color:var(--ink); font-family:var(--font-lora), serif; font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased; }
  h1,h2,h3,h4, .eyebrow, nav, .btn, .tag{ font-family:var(--font-grotesk), sans-serif; }
  .mono{ font-family:var(--font-mono), monospace; }
  a{color:inherit;} img{max-width:100%; display:block;} button{font:inherit;}
  .wrap{max-width:var(--max); margin:0 auto; padding:0 28px;}
  a:focus-visible, button:focus-visible, input:focus-visible{ outline:2px solid var(--blue); outline-offset:3px; }

  .brand-stripe{display:flex; height:6px; width:100%;}
  .brand-stripe span{flex:1;}
  .brand-stripe .s1{background:var(--teal);} .brand-stripe .s2{background:var(--teal-deep);}
  .brand-stripe .s3{background:var(--blue);} .brand-stripe .s4{background:var(--blue-deep);}

  header.site{ position:sticky; top:0; z-index:50; background:rgba(237,227,208,0.92); backdrop-filter:blur(6px); border-bottom:1px solid var(--line); }
  nav{ position:relative; display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:12px; max-width:var(--max); margin:0 auto; padding-left:28px; padding-right:28px; }
  .nav-links{display:flex; gap:26px; font-size:14px; font-weight:500;}
  .nav-links a{text-decoration:none; opacity:0.75; transition:opacity .15s;}
  .nav-links a:hover{opacity:1;}
  .nav-links a[aria-current="page"]{opacity:1; position:relative;}
  .nav-links a[aria-current="page"]::after{content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background:var(--um6p-red);}
  .nav-cta{ background:var(--ink); color:var(--paper); padding:9px 18px; border-radius:2px; font-size:13px; font-weight:600; text-decoration:none; letter-spacing:0.02em; }
  .nav-toggle{ display:none; align-items:center; justify-content:center; background:none; border:none; padding:8px; margin:0; color:var(--ink); cursor:pointer; flex:none; }
  @media (max-width:760px){
    .nav-links{ display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:flex-start; gap:2px; background:rgba(237,227,208,0.98); backdrop-filter:blur(6px); padding:12px 28px 18px; border-bottom:1px solid var(--line); box-shadow:0 8px 16px rgba(36,31,33,0.08); }
    .nav-links.open{display:flex;}
    .nav-links a{width:100%; padding:10px 0; opacity:0.85;}
    .nav-links a[aria-current="page"]::after{display:none;}
    .nav-toggle{display:inline-flex;}
  }
  @media (max-width:480px){ .nav-divider, .nav-partner-logos{display:none;} .nav-cta{padding:8px 12px; font-size:12px;} }

  .breadcrumb{ display:inline-flex; align-items:center; gap:6px; font-family:var(--font-grotesk),sans-serif; font-size:13px; font-weight:600; color:rgba(20,20,31,0.5); text-decoration:none; margin-bottom:36px; transition:color .15s; }
  .breadcrumb:hover{color:var(--ink);}

  .page-hero{ padding:52px 0 40px; background:linear-gradient(135deg, rgba(0,135,111,0.09), rgba(11,111,168,0.05) 60%, rgba(243,249,249,0) 100%); border-bottom:1px solid var(--line); margin-bottom:8px; }
  .eyebrow{ font-size:13px; letter-spacing:0.14em; text-transform:uppercase; color:var(--blue); font-weight:600; margin-bottom:18px; display:flex; align-items:center; gap:10px; }
  .page-hero h1{ font-size:clamp(32px,4.4vw,46px); font-weight:700; letter-spacing:-0.02em; line-height:1.06; margin-bottom:16px; }
  .page-hero .lede{ font-size:16.5px; line-height:1.6; color:rgba(20,20,31,0.72); max-width:66ch; margin-bottom:28px; }

  .teams-switch{ display:inline-flex; border:1px solid var(--line); border-radius:6px; overflow:hidden; margin-bottom:44px; }
  .teams-switch a{ padding:11px 20px; font-family:var(--font-grotesk),sans-serif; font-weight:600; font-size:13.5px; text-decoration:none; color:rgba(20,20,31,0.6); background:var(--white); transition:background .15s; }
  .teams-switch a:hover{background:var(--paper);}
  .teams-switch a.current{background:var(--ink); color:var(--paper);}

  .hero-banner{width:100%; border-radius:10px; overflow:hidden; margin-top:32px; border:1px solid var(--line);}
  .hero-banner img{width:100%; height:auto; display:block; max-height:280px; object-fit:cover;}

  .content-section{margin-bottom:60px;}
  .content-section h2{ font-size:24px; font-weight:700; letter-spacing:-0.01em; margin-bottom:8px; }
  .content-section .section-kicker{ font-family:var(--font-mono),monospace; font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--blue); margin-bottom:10px; }
  .content-section > .lede-sm{font-size:15.5px; color:rgba(20,20,31,0.68); max-width:68ch; margin-bottom:28px;}

  /* session resource cards */
  .session-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; margin:8px 0 8px; }
  @media (max-width:760px){ .session-grid{grid-template-columns:1fr;} }
  .session-card{ background:var(--white); border:1px solid var(--line); border-radius:10px; padding:22px 22px 20px; display:flex; flex-direction:column; }
  .session-card .sn{ font-family:var(--font-grotesk),sans-serif; font-weight:700; font-size:12px; color:var(--teal-deep); letter-spacing:0.06em; margin-bottom:8px; }
  .session-card h3{ font-family:var(--font-grotesk),sans-serif; font-size:18px; margin-bottom:8px; }
  .session-card p{ font-size:14px; color:rgba(20,20,31,0.65); margin-bottom:16px; flex:1; }
  .res-links{ display:flex; flex-wrap:wrap; gap:8px; }
  .res-link{ display:inline-flex; align-items:center; gap:6px; padding:8px 13px; border-radius:20px; border:1px solid var(--line); background:var(--paper); text-decoration:none; font-family:var(--font-grotesk),sans-serif; font-weight:600; font-size:12px; color:var(--ink); transition:all .15s ease; }
  .res-link:hover{ border-color:var(--blue-deep); color:var(--blue-deep); background:var(--white); }
  .res-link svg{flex:none;}

  .eval-callout{ display:flex; gap:16px; align-items:flex-start; background:rgba(214,81,46,0.05); border:1px solid rgba(214,81,46,0.3); border-radius:8px; padding:18px 20px; margin-top:24px; max-width:760px; }
  .eval-callout .eic{ flex:none; width:30px; height:30px; border-radius:50%; background:rgba(214,81,46,0.14); color:var(--um6p-red); display:flex; align-items:center; justify-content:center; }
  .eval-callout strong{ display:block; font-family:var(--font-grotesk),sans-serif; font-size:14.5px; margin-bottom:3px; color:var(--um6p-red); }
  .eval-callout p{ font-size:13.5px; color:rgba(20,20,31,0.7); margin:0; }
  .eval-callout a{color:var(--blue-deep); font-weight:600;}

  .drive-btn{
    display:inline-flex; align-items:center; gap:10px; margin-top:8px;
    background:var(--ink); color:var(--paper); text-decoration:none; font-family:var(--font-grotesk),sans-serif;
    font-weight:600; font-size:14px; padding:14px 24px; border-radius:5px; transition:background .15s;
  }
  .drive-btn:hover{ background:var(--blue-deep); }

  footer.site{background:var(--ink); color:var(--paper); padding:72px 0 36px;}
  .footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:48px; padding-bottom:48px; border-bottom:1px solid rgba(251,248,242,0.14);}
  @media (max-width:760px){ .footer-grid{grid-template-columns:1fr; gap:32px;} }
  .footer-grid h4{font-family:var(--font-mono),monospace; font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:rgba(251,248,242,0.55); margin-bottom:16px;}
  .footer-grid p{color:rgba(251,248,242,0.65); font-size:15px; max-width:34ch;}
  .footer-grid a{display:block; color:rgba(251,248,242,0.85); text-decoration:none; font-size:15px; margin-bottom:10px;}
  .footer-grid a:hover{text-decoration:underline;}
  .footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:24px; font-size:13px; color:rgba(251,248,242,0.45); flex-wrap:wrap; gap:10px;}

  /* password gate */
  #gate{
    position:fixed; inset:0; z-index:500; background:var(--paper);
    display:flex; align-items:center; justify-content:center; padding:24px;
  }
  #gate .gate-card{ background:var(--white); border:1px solid var(--line); border-radius:12px; padding:40px 36px; max-width:380px; width:100%; text-align:center; box-shadow:0 24px 60px -24px rgba(36,31,33,0.3); }
  #gate .gate-logo{ height:32px; width:auto; margin:0 auto 22px; display:block; }
  #gate h2{ font-size:19px; margin-bottom:8px; }
  #gate p{ font-size:14px; color:rgba(20,20,31,0.62); margin-bottom:22px; }
  #gate .gate-pw-wrap{ position:relative; margin-bottom:12px; display:flex; align-items:stretch; border:1px solid var(--line); border-radius:5px; overflow:hidden; }
  #gate .gate-pw-wrap:focus-within{ border-color:var(--blue); box-shadow:0 0 0 3px rgba(11,111,168,0.14); }
  #gate input{ flex:1; min-width:0; width:auto; padding:12px 10px 12px 14px; border:none; outline:none; font-family:var(--font-mono),monospace; font-size:14px; text-align:center; }
  #gate .gate-pw-toggle{ flex:none; width:40px; background:none; border:none; border-left:1px solid var(--line); padding:0; color:rgba(20,20,31,0.4); cursor:pointer; display:flex; align-items:center; justify-content:center; }
  #gate .gate-pw-toggle:hover{ color:rgba(20,20,31,0.7); background:var(--paper); }
  #gate input:focus{ outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(11,111,168,0.14); }
  #gate button{ width:100%; padding:12px; border:none; border-radius:5px; background:var(--ink); color:var(--paper); font-family:var(--font-grotesk),sans-serif; font-weight:600; font-size:14px; cursor:pointer; transition:background .15s; }
  #gate button:hover{ background:var(--blue-deep); }
  #gate .gate-err{ font-size:12.5px; color:var(--coral); margin-top:10px; min-height:16px; }
  #gate .gate-note{ font-size:11px; color:rgba(20,20,31,0.4); margin-top:18px; line-height:1.5; }
  #pageRoot.locked #site-content{ display:none; }
  #pageRoot:not(.locked) #gate{ display:none; }