/* Minimal, research-centric, calm-but-human site style.
   No frameworks. Edit freely. */

:root{
  --bg: #0b1220;
  --panel: #0f1b2f;
  --text: #e9eef7;
  --muted: #b9c7df;
  --soft: rgba(233,238,247,.12);
  --line: rgba(233,238,247,.18);
  --accent: #7dd3fc; /* calm sky */
  --accent2: #a7f3d0; /* soft mint */
  --warn: #fbbf24;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 28px;
  --max: 1060px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  background: radial-gradient(1200px 700px at 20% -10%, rgba(125,211,252,.20), transparent 60%),
              radial-gradient(1000px 700px at 90% 10%, rgba(167,243,208,.18), transparent 60%),
              linear-gradient(180deg, var(--bg), #070b12 70%);
  color: var(--text);
  line-height: 1.55;
}
a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }
small{ color: var(--muted); }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link{
  position:absolute; left:-9999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 20px; top: 16px; width:auto; height:auto;
  background: #000; color:#fff; padding:10px 12px; border-radius:12px;
  z-index: 9999;
}

header.site{
  padding: 18px 0 0;
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(15,27,47,.65);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}
.brand{
  display:flex; align-items:center; gap:12px;
  min-width: 220px;
}
.brand .dot{
  width:10px; height:10px; border-radius:99px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(125,211,252,.12);
}
.brand .name{
  font-weight: 680;
  letter-spacing: .2px;
}
.brand .sub{
  display:block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}
.nav ul{
  list-style:none; margin:0; padding:0;
  display:flex; flex-wrap:wrap;
  gap: 10px;
  align-items:center;
  justify-content:flex-end;
}
.nav a.navlink{
  display:inline-flex; align-items:center; gap:8px;
  padding: 10px 12px;
  border-radius: 14px;
  color: var(--text);
  text-decoration:none;
  border: 1px solid transparent;
}
.nav a.navlink:hover{
  background: rgba(233,238,247,.06);
  border-color: rgba(233,238,247,.14);
}
.nav a.navlink[aria-current="page"]{
  background: rgba(125,211,252,.14);
  border-color: rgba(125,211,252,.35);
}

.hero{
  margin: 18px 0 0;
  border-radius: var(--radius2);
  overflow:hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: rgba(15,27,47,.55);
}
.hero .header-img{
  height: 220px;
  background:
    linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.55)),
    url("/assets/img/header.jpg");
  background-size: cover;
  background-position: center;
}
.hero .content{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  padding: 22px;
}
@media (max-width: 860px){
  .hero .content{ grid-template-columns: 1fr; }
  .brand{ min-width: unset; }
}

.card{
  background: rgba(15,27,47,.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h2, .card h3{ margin: 0 0 10px; }
.card p{ margin: 10px 0; color: var(--muted); }

.portrait{
  display:flex; gap: 14px; align-items:flex-start;
}
.portrait img{
  width: 92px; height: 92px;
  border-radius: 20px;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: 0 10px 22px rgba(0,0,0,.25);
}
.portrait .meta{
  display:flex; flex-direction:column; gap:6px;
}
.badges{
  display:flex; flex-wrap:wrap; gap:8px;
  margin-top: 8px;
}
.badge{
  display:inline-flex;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(233,238,247,.16);
  background: rgba(233,238,247,.06);
  color: var(--text);
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 980px){ .grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px){ .grid{ grid-template-columns: 1fr; } }

.kicker{
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(233,238,247,.72);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section{
  margin: 22px 0 0;
}

.list{
  display:flex; flex-direction:column; gap: 10px;
}
.item{
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(233,238,247,.14);
  background: rgba(233,238,247,.04);
}
.item .title{ font-weight: 650; }
.item .meta{ color: var(--muted); font-size: 14px; margin-top: 4px; }
.item .links{ margin-top: 8px; display:flex; gap: 10px; flex-wrap:wrap; }
.pill{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(125,211,252,.30);
  background: rgba(125,211,252,.10);
  color: var(--text);
  font-size: 13px;
  text-decoration:none;
}
.pill:hover{ text-decoration:none; filter: brightness(1.05); }

.footer{
  margin: 34px 0 24px;
  color: rgba(233,238,247,.72);
  font-size: 14px;
}
.footer .row{
  display:flex; flex-wrap:wrap;
  justify-content:space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

hr.soft{
  border: none;
  border-top: 1px solid rgba(233,238,247,.12);
  margin: 18px 0;
}

.notice{
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(251,191,36,.26);
  background: rgba(251,191,36,.10);
  color: rgba(233,238,247,.92);
}

details.details{
  margin-top: 10px;
  border-radius: var(--radius);
  border: 1px solid rgba(233,238,247,.14);
  background: rgba(233,238,247,.03);
  overflow:hidden;
}
details.details > summary{
  cursor: pointer;
  padding: 10px 12px;
  color: rgba(233,238,247,.90);
  list-style: none;
}
details.details > summary::-webkit-details-marker{ display:none; }
details.details > summary::before{
  content: "▸";
  display:inline-block;
  margin-right: 8px;
  color: rgba(233,238,247,.70);
  transform: translateY(-1px);
}
details.details[open] > summary::before{ content: "▾"; }
.details-body{
  padding: 2px 12px 12px;
  color: var(--muted);
}
.details-body ul{
  margin: 8px 0 0;
  padding-left: 18px;
}