/* Shared design system for Devis Wawan Saputra portfolio */
:root{
  --paper:#EEF0EF;
  --paper-raised:#F5F6F5;
  --ink:#1B2430;
  --ink-soft:#5B6660;
  --line:#C9CDC5;
  --accent:#2F5D62;
  --accent-soft:#DDE6E4;
  --accent-deep:#244A4E;
  --live:#B5563B;
  --live-soft:#F1DED7;
}

.page{
  max-width:1320px;
  min-height:100vh;
}

.sidebar{
  padding:46px 32px 38px 40px;
}

.content{
  padding:48px 48px 80px 34px;
}

section{
  max-width:940px;
  margin-bottom:56px;
  scroll-margin-top:28px;
}

.eyebrow-rule{
  gap:14px;
  margin-bottom:18px;
}

.eyebrow-rule h2{
  font-size:1.45rem;
}

.eyebrow-rule::after{
  background:linear-gradient(90deg,var(--accent),var(--line) 42%);
}

.sidebar-bottom{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  column-gap:12px;
  row-gap:9px;
  font-size:0.84rem;
  color:var(--ink-soft);
}

.sidebar-bottom .contact-label{
  grid-column:1/-1;
  color:var(--ink);
  font-size:0.9rem;
  font-weight:600;
  margin-bottom:2px;
}

.sidebar-bottom a{
  display:flex;
  align-items:center;
  gap:7px;
  min-width:0;
  color:var(--accent);
  text-decoration:none;
  white-space:nowrap;
}

.sidebar-bottom a:hover{color:var(--accent-deep);}

.sidebar-bottom i{
  width:18px;
  flex:0 0 18px;
  text-align:center;
  font-size:16px;
}

.sidebar-bottom .scholar{grid-column:1/-1;}

.portfolio-nav{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  width:100%;
  margin-top:24px;
  border:1px solid #D7DAD5;
  border-radius:7px;
  overflow:hidden;
}

.portfolio-nav a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:9px 8px;
  background:#F2F3F2;
  color:#222B33;
  text-decoration:none;
  text-align:center;
  font-size:0.88rem;
  font-weight:600;
  border:0;
  border-right:1px solid #D7DAD5;
  border-radius:0;
}

.portfolio-nav a:last-child{border-right:none;}
.portfolio-nav a:hover{background:var(--accent-soft);color:var(--accent-deep);}
.portfolio-nav a.active{background:var(--accent);color:#fff;}

.contact-row{
  gap:10px;
  margin-top:12px;
}

.contact-row a{
  border-radius:5px;
  background:var(--paper-raised);
}

footer{
  max-width:940px;
  margin-top:54px;
}

/* Homepage editorial blocks */
#summary > p{max-width:780px;}

.research-frame{
  max-width:780px;
  margin-top:16px;
  padding:12px 14px;
  border-left:3px solid var(--accent);
  background:var(--accent-soft);
  color:var(--accent-deep);
  border-radius:0 6px 6px 0;
}

.education-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}

.education-grid .entry{
  padding:18px 18px 16px;
  border:1px solid var(--line);
  border-top:3px solid var(--accent);
  border-radius:7px;
  background:var(--paper-raised);
}

.education-grid .entry::before{display:none;}
.education-grid .entry p{margin-bottom:7px;}

.pub-intro{
  max-width:780px;
  margin-bottom:16px;
  color:#303B42;
}

.pub-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(280px,.85fr);
  gap:16px;
  align-items:start;
}

.pub-group{
  padding:18px 20px 16px;
  border:1px solid var(--line);
  border-top:3px solid var(--accent);
  border-radius:7px;
  background:var(--paper-raised);
}

.pub-group h3{
  margin:0 0 10px;
  font-family:var(--sans);
  font-size:0.78rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--accent);
}

.pub-list{
  margin:0;
}

.pub-list li{
  padding:11px 0;
}

.pub-list li:last-child{border-bottom:none;}

.pub-list a{
  display:inline-block;
  margin-top:5px;
  padding:3px 7px;
  border:1px solid var(--line);
  border-radius:4px;
  background:#fff;
  font-size:.78rem;
  font-weight:600;
  text-decoration:none;
}

.pub-list a:hover{
  border-color:var(--accent);
  background:var(--accent-soft);
}

.pub-kind{
  display:inline-block;
  margin-top:5px;
  padding:3px 7px;
  border-radius:4px;
  background:var(--accent-soft);
  color:var(--accent-deep);
  font-size:.75rem;
  font-weight:600;
}

.skill-grid{
  gap:14px;
}

.skill-group{
  padding:15px 16px;
  border:1px solid var(--line);
  border-top:3px solid var(--accent);
  border-radius:7px;
  background:var(--paper-raised);
}

.skill-group h3{
  color:var(--accent-deep);
  margin-bottom:6px;
}

/* Research page density + color */
.research-list{gap:14px;}

.research-card{
  border-left:3px solid var(--accent);
  padding:18px 20px 17px;
}

.system-grid{gap:14px;}

.method-tags{
  gap:7px;
  margin-top:18px;
}

.method-tags span{
  background:var(--accent-soft);
  border-color:#C7D7D3;
  color:var(--accent-deep);
}

/* L&D page density */
.project{
  padding-bottom:34px;
  margin-bottom:34px;
}

.project-grid{gap:26px;}
.visuals{gap:8px;}
.resource-box{margin-top:14px;}
.metrics{margin-top:12px;}

@media (max-width:900px){
  .page{grid-template-columns:1fr;}
  .sidebar{
    position:static;
    height:auto;
    padding:34px 24px 26px;
    border-bottom:1px solid var(--line);
    gap:26px;
  }
  nav.toc{display:none;}
  .sidebar-bottom{max-width:430px;}
  .content{
    padding:34px 24px 58px;
    border-left:none;
  }
  section{margin-bottom:48px;}
}

@media (max-width:700px){
  .portfolio-nav{grid-template-columns:1fr;}
  .portfolio-nav a{border-right:none;border-bottom:1px solid #D7DAD5;}
  .portfolio-nav a:last-child{border-bottom:none;}
  .education-grid,.pub-grid,.skill-grid{grid-template-columns:1fr;}
}

@media (max-width:480px){
  .sidebar-bottom{grid-template-columns:1fr 1fr;}
}