/* Aleksandra Marinković — Academic HTML (3 pages) */
:root{
  --bg: #ffffff;
  --text: #111;
  --muted: #555;
  --line: #eaeaea;
  --accent: #1f3a5f;
  --accent-2: #2b5c97;
  --sidebar-w: 280px;
  --maxw: 880px;
  --radius: 14px;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.6;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 78% 8%, rgba(31,58,95,0.06), transparent 55%),
    radial-gradient(900px 500px at 18% 18%, rgba(43,92,151,0.05), transparent 55%),
    var(--bg);
}
a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }
a:focus-visible, button:focus-visible{
  outline: 2px solid rgba(31,58,95,0.45);
  outline-offset: 2px;
  border-radius: 8px;
}
img{ max-width:100%; height:auto; display:block; }

.shell{
  min-height:100vh;
  display:grid;
  grid-template-columns: var(--sidebar-w) 1fr;
}

/* Topbar for mobile */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
  padding:10px 14px;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.topbar .site-name{
  font-weight:600;
  color:var(--text);
  letter-spacing:0.2px;
}
.icon-btn{
  appearance:none;
  border:1px solid var(--line);
  background:#fff;
  padding:8px 10px;
  border-radius: 10px;
  cursor:pointer;
  font-weight:600;
  color:var(--text);
}

/* Sidebar */
.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  padding:22px 18px;
  border-right:1px solid var(--line);
  background: linear-gradient(180deg, rgba(251,251,253,0.95), rgba(255,255,255,0.92));
  backdrop-filter: blur(8px);
  overflow:auto;
}
.brand{
  margin:0 0 14px 0;
  font-family: "Libre Baskerville", Georgia, serif;
  font-weight:700;
  font-size:18px;
  letter-spacing:0.2px;
}
.brand a{ color:inherit; text-decoration:none; }
.affil{
  margin:0 0 16px 0;
  font-size:13.5px;
  color:var(--muted);
}
.affil a{ color:var(--muted); text-decoration:underline; text-decoration-color: rgba(17,17,17,0.25); }
.affil a:hover{ text-decoration-color: rgba(17,17,17,0.5); }

.nav{
  margin-top:14px;
}
.nav ul{
  list-style:none;
  padding:0;
  margin:0;
}
.nav li{ margin:10px 0; }
.nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 6px;
  border-radius: 10px;
  color:var(--text);
  font-weight:520;
}
.nav a .dot{
  width:8px; height:8px;
  border-radius:999px;
  background:transparent;
  border:1.5px solid transparent;
  flex:0 0 8px;
}
.nav a[aria-current="page"]{
  background: rgba(31,58,95,0.06);
}
.nav a[aria-current="page"] .dot{
  background: var(--accent);
  border-color: var(--accent);
}
.nav a:hover{
  background: rgba(17,17,17,0.03);
  text-decoration:none;
}

/* Main */
.main{
  padding:34px 34px 56px;
}
.container{
  max-width: var(--maxw);
}

/* Hero */
.hero{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap:26px;
  align-items:center;
  margin-top:8px;
}
.portrait{
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: 0 14px 40px rgba(0,0,0,0.08);
  background: #fff;
}
.portrait img{ width:100%; height:auto; }
.h1{
  margin:0;
  font-family: "Libre Baskerville", Georgia, serif;
  font-weight:700;
  font-size:40px;
  line-height:1.15;
  letter-spacing:-0.2px;
}
.hr{
  border:0;
  border-top:1px solid var(--line);
  margin:14px 0 16px;
}
.sub-links{
  font-size:18px;
  font-weight:520;
}
.sub-links a{
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(31,58,95,0.25);
}
.sub-links a:hover{ text-decoration-color: rgba(31,58,95,0.55); }
.sub-links .sep{ color:#aaa; padding:0 10px; }
.tagline{
  margin:14px 0 0;
  font-family: "Libre Baskerville", Georgia, serif;
  font-style: italic;
  font-size:18px;
  color: var(--muted);
}

.section{
  margin-top:34px;
}
.h2{
  margin:0 0 10px;
  font-size:18px;
  letter-spacing:0.1px;
  font-weight:650;
}
.p{
  margin:0 0 10px;
  color: var(--text);
}
.small{
  color: var(--muted);
  font-size:13.5px;
}

.split{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items:start;
}

.notice{
  padding:14px 0;
  border-top: 1px solid var(--line);
}
.notice:first-child{ border-top:0; padding-top:0; }
.notice .date{
  font-size:12.5px;
  color: var(--muted);
}
.notice .title{
  margin:4px 0 6px;
  font-weight:650;
}
.notice .excerpt{
  margin:0;
  color: var(--muted);
}

.linklist{
  margin: 0;
  padding-left: 18px;
}
.linklist li{ margin: 8px 0; }

.footer{
  margin-top: 46px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--muted);
  font-size: 12.5px;
}

.contact {
    text-align: center;
}

/* Mobile */
@media (max-width: 900px){
  .main{ padding: 22px 16px 44px; }
  .hero{ grid-template-columns: 1fr; }
  .portrait{ max-width: 260px; }
  .h1{ font-size: 36px; }
  .split{ grid-template-columns: 1fr; }
}
@media (max-width: 860px){
  .shell{ grid-template-columns: 1fr; }
  .topbar{ display:flex; }
  .sidebar{
    position: fixed;
    left:0; top:0;
    width: min(86vw, 340px);
    transform: translateX(-110%);
    transition: transform 180ms ease-in-out;
    z-index:60;
    box-shadow: 0 12px 40px rgba(0,0,0,0.10);
  }
  body.nav-open .sidebar{ transform: translateX(0); }
  .main{ padding-top: 18px; }
}