/* ============================================================
   BACARTHAS RAYA — Design System
   Riset Akademik & Konsultansi Perguruan Tinggi
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Source+Serif+4:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* Color */
  --navy-950:#0B1B33;
  --navy-900:#0F2140;
  --navy-800:#142B52;
  --navy-600:#20406F;
  --red-700:#8F0C0E;
  --red-600:#BB0E10;
  --red-500:#D31417;
  --gold-600:#96702A;
  --gold-500:#BF8938;
  --gold-300:#D9B876;
  --gold-200:#EBD9AF;
  --paper:#F4F4EF;
  --paper-raised:#FFFFFF;
  --ink:#15171B;
  --slate:#525860;
  --slate-soft:#7A8089;
  --rule:#D9D4C4;
  --rule-dark:#2A3A5C;

  /* Type */
  --f-display:'Fraunces', serif;
  --f-body:'Source Serif 4', Georgia, serif;
  --f-mono:'IBM Plex Mono', monospace;

  /* Layout */
  --maxw:1180px;
  --gutter:clamp(20px, 5vw, 64px);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;}

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 0.5em;
  color:var(--navy-950);
  letter-spacing:-0.01em;
}

p{margin:0 0 1em;}

.eyebrow{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--gold-600);
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:500;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--gold-500);
  display:inline-block;
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold-500);
  outline-offset:3px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  background:var(--navy-950);
  color:#EDEEEA;
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid var(--rule-dark);
}
.site-header::after{
  content:"";
  display:block;
  height:3px;
  background:linear-gradient(90deg, var(--navy-600) 0%, var(--red-600) 52%, var(--gold-500) 100%);
}
.brand-plate{
  background:#F7F6F1;
  padding:6px 10px;
  border-radius:5px;
  display:inline-flex;
  align-items:center;
  line-height:0;
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px var(--gutter);
  max-width:var(--maxw);
  margin:0 auto;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:#fff;
}
.brand-mark{
  width:38px;height:38px;flex:none;
}
.brand-text small{
  display:block;
  font-family:var(--f-mono);
  font-size:10px;
  letter-spacing:0.13em;
  color:var(--gold-300);
  font-weight:400;
}
@media (max-width:560px){
  .brand-text{display:none;}
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
  list-style:none;
  margin:0;padding:0;
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:0.05em;
  text-transform:uppercase;
}
.nav-links a{
  text-decoration:none;
  color:#C9CCD3;
  position:relative;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--gold-400,#D9B876);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover, .nav-links a.active{color:#fff;}
.nav-links a:hover::after, .nav-links a.active::after{transform:scaleX(1);}
.nav-cta{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--navy-950);
  background:var(--gold-300);
  padding:10px 18px;
  border-radius:2px;
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease;
}
.nav-cta:hover{background:#fff;}
.nav-toggle{
  display:none;
  background:none;border:none;color:#fff;
  font-size:26px;cursor:pointer;
  padding:4px 8px;
}

@media (max-width: 880px){
  .nav-links{
    position:fixed;
    inset:64px 0 0 0;
    background:var(--navy-950);
    flex-direction:column;
    align-items:flex-start;
    padding:28px var(--gutter);
    gap:22px;
    transform:translateY(-110%);
    transition:transform .3s ease;
    height:auto;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
}

/* ---------- Hero / Masthead ---------- */
.masthead{
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(184,134,59,0.14), transparent 60%),
    var(--navy-950);
  color:#EDEEEA;
  padding:88px var(--gutter) 0;
  position:relative;
  overflow:hidden;
}
.masthead .wrap{padding:0;max-width:calc(var(--maxw) - var(--gutter)*0);}
.masthead-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding-bottom:64px;
}
.masthead h1{
  color:#fff;
  font-size:clamp(2.4rem, 5.2vw, 4rem);
  max-width:15ch;
  margin-top:20px;
}
.masthead .lede{
  font-size:19px;
  color:#B9BDC6;
  max-width:56ch;
  margin-top:18px;
}
.hero-actions{
  display:flex;gap:16px;flex-wrap:wrap;
  margin-top:34px;
}
.btn{
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  padding:14px 26px;
  text-decoration:none;
  border-radius:2px;
  display:inline-block;
  transition:all .2s ease;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--gold-300);
  color:var(--navy-950);
}
.btn-primary:hover{background:#fff;}
.btn-ghost{
  border-color:rgba(255,255,255,0.3);
  color:#fff;
}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,0.06);}
.btn-dark{
  border-color:var(--navy-800);
  color:var(--navy-950);
}
.btn-dark:hover{background:var(--navy-950);color:#fff;}

/* ---------- Timeline signature (2045 vision strip) ---------- */
.vision-strip{
  border-top:1px solid var(--rule-dark);
  padding:22px 0 26px;
  overflow-x:auto;
}
.vision-track{
  display:flex;
  align-items:center;
  gap:0;
  min-width:640px;
}
.vision-point{
  flex:1;
  position:relative;
  padding-top:16px;
  text-align:center;
}
.vision-point::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--rule-dark);
}
.vision-point::after{
  content:"";
  position:absolute;
  top:-4px;left:50%;
  transform:translateX(-50%);
  width:10px;height:10px;
  border-radius:50%;
  background:var(--navy-900);
  border:2px solid var(--slate-soft);
}
.vision-point:first-child::before{left:50%;}
.vision-point:last-child::before{right:50%;}
.vision-point.is-now::after{
  background:var(--red-500);
  border-color:var(--red-500);
  box-shadow:0 0 0 4px rgba(211,20,23,0.22);
}
.vision-point .yr{
  font-family:var(--f-mono);
  font-size:12px;
  color:#8B90A0;
  letter-spacing:0.04em;
}
.vision-point.is-now .yr{color:var(--red-500);}
.vision-point .lbl{
  font-family:var(--f-mono);
  font-size:10.5px;
  color:#5C6478;
  margin-top:3px;
  display:block;
}
.vision-point.is-target .yr{color:#fff;font-weight:600;}

/* ---------- Sections ---------- */
section{padding:88px var(--gutter);}
.section-head{
  max-width:640px;
  margin-bottom:52px;
}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin-top:16px;}
.section-alt{background:var(--paper-raised);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);}
.section-navy{background:var(--navy-950);color:#EDEEEA;}
.section-navy h2, .section-navy h3{color:#fff;}
.section-navy .slate{color:#AFB4C0;}

.grid{
  display:grid;
  gap:28px;
  max-width:var(--maxw);
  margin:0 auto;
}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:920px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:620px){
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  section{padding:60px var(--gutter);}
}

.card{
  background:var(--paper-raised);
  border:1px solid var(--rule);
  padding:32px 26px;
  border-radius:2px;
}
.card .num{
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--gold-600);
  letter-spacing:0.05em;
}
.card h3{font-size:1.2rem;margin-top:10px;}
.card p{color:var(--slate);font-size:15.5px;margin-bottom:0;}

.stat{
  text-align:left;
  border-left:2px solid var(--gold-500);
  padding-left:18px;
}
.stat .n{
  font-family:var(--f-display);
  font-size:2.6rem;
  font-weight:600;
  color:var(--navy-950);
  display:block;
}
.section-navy .stat .n{color:#fff;}
.stat .lbl{
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--slate-soft);
  letter-spacing:0.03em;
}
.section-navy .stat{border-left-color:var(--gold-300);}
.section-navy .stat .lbl{color:#9EA3B2;}
.grid-4 .stat:nth-child(2n){border-left-color:var(--red-600);}

.rule{
  border:none;
  border-top:1px solid var(--rule);
  margin:0;
}

/* Process list (legit sequence) */
.process{
  counter-reset:step;
  display:grid;
  gap:0;
  max-width:var(--maxw);
  margin:0 auto;
}
.process li{
  list-style:none;
  display:grid;
  grid-template-columns:90px 1fr;
  gap:24px;
  padding:30px 0;
  border-top:1px solid var(--rule);
  align-items:start;
}
.process li:last-child{border-bottom:1px solid var(--rule);}
.process .step-n{
  font-family:var(--f-mono);
  font-size:13px;
  color:var(--gold-600);
  padding-top:4px;
}
.process h4{margin-bottom:6px;font-size:1.1rem;}
.process p{color:var(--slate);margin:0;}
@media (max-width:620px){
  .process li{grid-template-columns:1fr;gap:8px;}
}

/* Pills / tags */
.tag{
  display:inline-block;
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:var(--navy-800);
  background:var(--gold-200);
  padding:4px 10px;
  border-radius:2px;
}

/* Publication / blog cards */
.pub-card{
  border:1px solid var(--rule);
  background:var(--paper-raised);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.pub-meta{
  display:flex;gap:14px;align-items:center;
  font-family:var(--f-mono);
  font-size:11.5px;
  color:var(--slate-soft);
  letter-spacing:0.03em;
  text-transform:uppercase;
}
.pub-card h3{font-size:1.15rem;margin:0;}
.pub-card p{color:var(--slate);font-size:15px;margin:0;}
.pub-link{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:var(--gold-600);
  text-decoration:none;
  margin-top:auto;
  border-top:1px solid var(--rule);
  padding-top:12px;
}
.pub-link:hover{color:var(--navy-950);}

/* Partner logos strip */
.partner-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  max-width:var(--maxw);
  margin:0 auto;
}
.partner-chip{
  border:1px solid var(--rule);
  padding:14px 22px;
  font-family:var(--f-mono);
  font-size:13px;
  color:var(--navy-800);
  background:var(--paper-raised);
  flex:1 1 200px;
  text-align:center;
}

/* CTA band */
.cta-band{
  background:var(--navy-950);
  color:#fff;
  padding:70px var(--gutter);
  text-align:left;
}
.cta-band .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin:0;font-size:clamp(1.5rem,3vw,2.1rem);max-width:20ch;}

/* Footer */
.site-footer{
  background:var(--navy-950);
  color:#9EA3B2;
  border-top:1px solid var(--rule-dark);
  padding:56px var(--gutter) 30px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:36px;
  max-width:var(--maxw);
  margin:0 auto;
}
.footer-grid h4{
  color:#fff;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  margin-bottom:16px;
}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{text-decoration:none;color:#9EA3B2;transition:color .2s;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{
  max-width:var(--maxw);
  margin:44px auto 0;
  padding-top:22px;
  border-top:1px solid var(--rule-dark);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:0.03em;
}
@media (max-width:780px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}

/* Reveal on scroll */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in{opacity:1;transform:none;}

/* Page header (inner pages) */
.page-header{
  background:var(--navy-950);
  color:#fff;
  padding:64px var(--gutter) 52px;
}
.page-header h1{color:#fff;font-size:clamp(2rem,4.4vw,3rem);margin-top:16px;max-width:22ch;}
.page-header .lede{color:#B9BDC6;max-width:60ch;font-size:17px;}
.breadcrumb{
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color:#8B90A0;
}
.breadcrumb a{color:#8B90A0;text-decoration:none;}
.breadcrumb a:hover{color:#fff;}

/* Table (form) */
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  max-width:640px;
}
.form-grid .full{grid-column:1/-1;}
label{
  display:block;
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--slate);
  margin-bottom:8px;
}
input,textarea,select{
  width:100%;
  font-family:var(--f-body);
  font-size:15.5px;
  padding:12px 14px;
  border:1px solid var(--rule);
  background:#fff;
  color:var(--ink);
  border-radius:2px;
}
textarea{resize:vertical;min-height:120px;}
@media (max-width:560px){.form-grid{grid-template-columns:1fr;}}

.contact-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  max-width:var(--maxw);
  margin:0 auto;
}
@media (max-width:820px){.contact-block{grid-template-columns:1fr;}}

.info-row{
  display:flex;gap:16px;
  padding:18px 0;
  border-top:1px solid var(--rule);
}
.info-row:last-child{border-bottom:1px solid var(--rule);}
.info-row .k{
  font-family:var(--f-mono);
  font-size:11.5px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--slate-soft);
  width:120px;flex:none;
}
.info-row .v{color:var(--ink);}