/* =========================================================
   HiLCoE CSF — Publications page
   Base layer: tokens, reset, nav, hero shell, footer, buttons
   (Design tokens kept identical to register-style.css so this
   page inherits the same brand system.)
========================================================= */
:root{
  --ink:        #0E1B2E;
  --blue-deep:  #14345F;
  --blue-mid:   #2F5FA3;
  --blue-bright:#4C8DE0;
  --blue-sky:   #DCE9FB;
  --blue-mist:  #F4F8FE;
  --paper:      #FFFFFF;
  --brown-deep: #3B2A20;
  --brown-mid:  #6B4A34;
  --brown-line: #C9A27C;
  --line:       #DDE6F2;
  --shadow:     0 20px 60px -25px rgba(14,27,46,.35);
  --radius-lg:  32px;
  --radius-md:  18px;
  --radius-sm:  10px;
  --ease: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  margin:0;
  line-height:1.08;
  letter-spacing:-0.01em;
}
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }
.container{ max-width:1180px; margin:0 auto; padding:0 28px; }
.eyebrow{
  font-family:'Space Grotesk',sans-serif;
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
}
:focus-visible{ outline:3px solid var(--blue-bright); outline-offset:3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* =========================================================
   Floating glass navbar (identical markup/classes to the
   rest of the site so this page drops in cleanly)
========================================================= */
.site-nav{
  position:fixed; top:18px; left:50%; transform:translateX(-50%);
  z-index:100;
  width:min(920px, calc(100% - 32px));
  display:flex; align-items:center; justify-content:space-between;
  gap:16px;
  padding:8px 10px;
  border-radius:999px;
  background:rgba(29, 27, 27, 0.55);
  border:1px solid rgba(29,27,27,.55);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:0 12px 40px -18px rgba(14,27,46,.35);
  transition:background .35s var(--ease), box-shadow .35s var(--ease);
}
.nav-brand{ display:flex; align-items:center; gap:10px; padding-left:6px; }
.nav-brand .word{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600; font-size:15px; letter-spacing:-.01em;
  color:white; white-space:nowrap;
}
.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  font-size:14px; font-weight:500; color:white;
  padding:9px 14px; border-radius:999px;
  transition:background .25s var(--ease), color .25s var(--ease);
}
.nav-links a:hover{ background:#f193551d; color:whitesmoke; }
.nav-links a.is-active{ background:#bf53149e; color:#fff; }
.nav-cta{
  font-size:14px; font-weight:600;
  color:#000; background:var(--brown-line);
  padding:10px 18px; border-radius:999px;
  white-space:nowrap;
  transition:background .25s var(--ease), transform .25s var(--ease);
}
.nav-cta:hover{ transform:translateY(-1px); }
.nav-toggle{
  display:none; width:40px; height:40px; border-radius:50%;
  border:none; background:transparent; align-items:center; justify-content:center;
}
.nav-toggle span{
  display:block; width:18px; height:2px; background:white; position:relative;
  transition:transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:white;
  transition:transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span::before{ top:-6px; }
.nav-toggle span::after{ top:6px; }
.site-nav.is-open .nav-toggle span{ background:transparent; }
.site-nav.is-open .nav-toggle span::before{ transform:translateY(6px) rotate(45deg); }
.site-nav.is-open .nav-toggle span::after{ transform:translateY(-6px) rotate(-45deg); }

@media (max-width:860px){
  .nav-links{
    position:absolute; top:calc(100% + 10px); left:0; right:0;
    flex-direction:column; align-items:stretch; gap:4px;
    background:rgba(59, 42, 32, 0.94);
    backdrop-filter:blur(18px) saturate(160%);
    -webkit-backdrop-filter:blur(18px) saturate(160%);
    border:1px solid rgba(201, 162, 124, 0.25);
    border-radius:22px; padding:10px;
    box-shadow:0 16px 40px -10px rgba(14, 27, 46, 0.6);
    opacity:0; visibility:hidden; transform:translateY(-8px);
    transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .site-nav.is-open .nav-links{ opacity:1; visibility:visible; transform:translateY(0); }
  .nav-links a{ padding:12px 16px; color:#F2E9E0; }
  .nav-links a:hover{ background:rgba(201, 162, 124, 0.15); color:#FFFFFF; }
  .nav-links a.is-active{ background:var(--brown-mid); color:#FFFFFF; }
  .nav-cta{ display:none; }
  .site-nav.is-open .nav-cta{ display:block; margin:6px 4px 2px; text-align:center; }
  .nav-toggle{ display:flex; }
}

/* =========================================================
   Buttons
========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:999px;
  font-weight:600; font-size:14.5px;
  border:1px solid transparent;
  transition:transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover{ transform:translateY(-2px); }
.btn-dark{ background:var(--brown-mid); color:#fff; }
.btn-dark:hover{ background:black; }
.btn-outline{ background:transparent; color:var(--blue-deep); border-color:var(--blue-deep); }
.btn-outline:hover{ background:var(--blue-deep); color:#fff; }

/* =========================================================
   Footer
========================================================= */
.site-footer{ background:var(--brown-deep); color:lightgrey; padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:44px; border-bottom:1px solid rgba(255,255,255,.12); }
.footer-col h4{ color:white; font-size:13px; letter-spacing:.1em; text-transform:uppercase; margin-bottom:16px; }
.footer-col ul{ display:grid; gap:10px; }
.footer-col a{ font-size:14.5px; transition:color .2s; }
.footer-col a:hover{ color:var(--brown-mid); }
.social-row{ display:flex; gap:10px; margin-top:16px; }
.social-row a{
  width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.08);
  display:flex; align-items:center; justify-content:center; transition:background .2s;
}
.social-row a:hover{ background:var(--brown-line); }
.social-row svg{ width:16px; height:16px; }
.footer-bottom{ padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:13px; }

/* =========================================================
   Reveal-on-scroll utility (used once per page section, not
   per-card — see publications-theme.css)
========================================================= */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

@media (max-width:920px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:560px){
  .container{ padding:0 18px; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; }
}