/* ==========================================================================
   Yayasan Berkarya — stylesheet
   ========================================================================== */

:root{
  --ink:        #201F1C;
  --ink-soft:   #4A4A42;
  --muted:      #6E6C5F;
  --line:       #D8D3C4;
  --paper:      #EFEEE4;
  --paper-raise:#F7F6EF;
  --forest:     #1F3A2E;
  --forest-deep:#132A20;
  --forest-tint:#E7EDE7;
  --brass:      #A8763B;
  --brass-tint: #F1E6D3;
  --white:      #FFFFFF;

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", serif;
  --sans:  "Public Sans", "Segoe UI", Arial, sans-serif;

  --max: 1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--serif);
  color:var(--forest-deep);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem,4.2vw,3.35rem); }
h2{ font-size:clamp(1.5rem,2.6vw,2.05rem); }
h3{ font-size:1.2rem; }

p{ margin:0 0 1.1em; max-width:66ch; color:var(--ink-soft); }
a{ color:var(--forest); text-decoration-color:var(--brass); text-underline-offset:3px; }
a:hover{ color:var(--brass); }
ul,ol{ padding-left:1.2em; }
img{ max-width:100%; display:block; }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; }

/* -------------------------------------------------- skip link -------- */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--forest); color:#fff; padding:10px 16px; z-index:200;
}
.skip-link:focus{ left:12px; top:12px; }

/* -------------------------------------------------- header ----------- */
.site-header{
  background:var(--forest-deep);
  border-bottom:3px solid var(--brass);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  min-height:78px; gap:24px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  color:#fff; text-decoration:none;
}
.brand:hover{ color:#fff; }
.brand-mark{
  width:42px; height:42px; border-radius:2px;
  border:1.5px solid var(--brass);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-weight:600; color:var(--brass);
  font-size:1.15rem; flex-shrink:0;
}
.brand-text{ line-height:1.25; }
.brand-text .name{ font-family:var(--serif); font-size:1.18rem; font-weight:600; display:block; }
.brand-text .tag{ font-size:.74rem; color:#C9CFC7; letter-spacing:.03em; }

nav.main-nav{ display:flex; align-items:center; gap:2px; }
nav.main-nav a{
  color:#E7E9E3; text-decoration:none; font-size:.92rem;
  padding:10px 14px; border-bottom:2px solid transparent;
}
nav.main-nav a:hover, nav.main-nav a[aria-current="page"]{
  color:#fff; border-bottom-color:var(--brass);
}
.nav-toggle{
  display:none; background:none; border:1px solid #3c5748; color:#fff;
  padding:8px 12px; border-radius:2px; font-size:1rem;
}

/* -------------------------------------------------- hero ------------- */
.hero{ padding:64px 0 56px; }
.hero-grid{
  display:grid; grid-template-columns:1.35fr 1fr; gap:52px; align-items:start;
}
.eyebrow{
  font-size:.82rem; color:var(--brass); font-weight:600;
  border-left:3px solid var(--brass); padding-left:10px; margin-bottom:18px;
  display:inline-block;
}
.hero p.lead{ font-size:1.12rem; max-width:52ch; }
.hero-actions{ display:flex; gap:14px; margin-top:24px; flex-wrap:wrap; }

.btn{
  display:inline-block; padding:13px 22px; font-size:.95rem;
  text-decoration:none; border-radius:2px; font-weight:600;
  border:1.5px solid transparent;
}
.btn-primary{ background:var(--forest); color:#fff; }
.btn-primary:hover{ background:var(--forest-deep); color:#fff; }
.btn-ghost{ border-color:var(--forest); color:var(--forest); }
.btn-ghost:hover{ background:var(--forest); color:#fff; }

/* credential box — the one bold device on the page */
.credential{
  background:var(--forest-deep); color:#EFEDE3;
  border:1px solid var(--brass); padding:26px 26px 22px;
}
.credential h3{
  color:#fff; font-size:.78rem; text-transform:none; letter-spacing:.02em;
  margin-bottom:16px; font-family:var(--sans); font-weight:700;
  border-bottom:1px solid rgba(255,255,255,.18); padding-bottom:12px;
}
.credential dl{ margin:0; }
.credential dt{ font-size:.72rem; color:var(--brass); margin-top:14px; }
.credential dt:first-child{ margin-top:0; }
.credential dd{ margin:2px 0 0; font-size:.92rem; color:#fff; line-height:1.45; }

/* -------------------------------------------------- sections --------- */
section{ padding:52px 0; }
section.alt{ background:var(--paper-raise); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; margin-bottom:34px; border-bottom:1px solid var(--line); padding-bottom:18px;
}
.section-head .label{
  font-size:.78rem; color:var(--muted); text-transform:uppercase; letter-spacing:.08em;
}

/* stat strip */
.stat-strip{
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.stat-strip div{
  padding:20px 22px; border-right:1px solid var(--line);
}
.stat-strip div:last-child{ border-right:none; }
.stat-strip .num{ font-family:var(--serif); font-size:2rem; color:var(--forest); display:block; }
.stat-strip .cap{ font-size:.82rem; color:var(--muted); }

/* pillars / program grid */
.pillars{
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--line);
}
.pillar{
  padding:26px 24px; border-right:1px solid var(--line); border-bottom:1px solid var(--line);
}
.pillar:nth-child(4n){ border-right:none; }
.pillar h3{ font-size:1.02rem; margin-bottom:8px; }
.pillar p{ font-size:.92rem; margin-bottom:0; }

/* plain list-rows, used instead of card grids */
.row-list{ border-top:1px solid var(--line); }
.row{
  display:grid; grid-template-columns:220px 1fr; gap:22px;
  padding:20px 0; border-bottom:1px solid var(--line);
}
.row .role{ color:var(--forest); font-weight:600; font-size:.95rem; }
.row .who{ margin:0; color:var(--ink-soft); }

/* branch list */
.branch-list{ border-top:1px solid var(--line); }
.branch{
  padding:18px 0; border-bottom:1px solid var(--line);
  display:grid; grid-template-columns:200px 1fr; gap:22px; align-items:baseline;
}
.branch .place{ font-family:var(--serif); font-size:1.15rem; color:var(--forest-deep); }
.branch .lead-name{ font-size:.92rem; color:var(--muted); }

/* accordion (struktur organisasi) */
details.branch-detail{
  border-bottom:1px solid var(--line); padding:16px 0;
}
details.branch-detail summary{
  cursor:pointer; list-style:none; display:flex; justify-content:space-between;
  align-items:center; font-family:var(--serif); font-size:1.2rem; color:var(--forest-deep);
}
details.branch-detail summary::-webkit-details-marker{ display:none; }
details.branch-detail summary .plus{ color:var(--brass); font-family:var(--sans); font-size:1.3rem; }
details.branch-detail[open] summary .plus{ transform:rotate(45deg); display:inline-block; }
.detail-body{ padding-top:14px; }
.detail-body .row{ grid-template-columns:190px 1fr; }

/* quote / callout */
.callout{
  border-left:3px solid var(--brass); padding:4px 0 4px 20px; margin:28px 0;
  font-family:var(--serif); font-size:1.15rem; color:var(--forest-deep);
}

/* legal document blocks */
.legal-block{
  border:1px solid var(--line); background:var(--paper-raise);
  padding:22px 24px; margin-bottom:16px;
}
.legal-block .num{ font-size:.72rem; color:var(--brass); text-transform:uppercase; letter-spacing:.06em; }
.legal-block p{ margin:6px 0 0; font-size:.98rem; color:var(--ink); }

/* contact */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:44px; }
.contact-item{ margin-bottom:20px; }
.contact-item .k{ font-size:.78rem; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; }
.contact-item .v{ font-size:1.05rem; }

/* footer */
footer.site-footer{
  background:var(--forest-deep); color:#CBD1C7; padding:44px 0 26px; margin-top:40px;
}
footer.site-footer a{ color:#E7E9E3; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr; gap:32px; margin-bottom:30px; }
.footer-grid h4{ color:#fff; font-family:var(--sans); font-size:.85rem; letter-spacing:.04em; margin-bottom:12px; }
.footer-grid ul{ list-style:none; padding:0; margin:0; }
.footer-grid li{ margin-bottom:8px; font-size:.92rem; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14); padding-top:18px;
  font-size:.82rem; color:#9CA79C; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
}

/* -------------------------------------------------- responsive ------- */
@media (max-width: 880px){
  nav.main-nav{
    position:absolute; top:78px; left:0; right:0; background:var(--forest-deep);
    flex-direction:column; align-items:stretch; border-bottom:3px solid var(--brass);
    display:none;
  }
  nav.main-nav.open{ display:flex; }
  nav.main-nav a{ padding:14px 28px; border-bottom:1px solid rgba(255,255,255,.08); }
  .nav-toggle{ display:inline-block; }
  .site-header{ position:relative; }

  .hero-grid{ grid-template-columns:1fr; }
  .stat-strip{ grid-template-columns:repeat(2,1fr); }
  .stat-strip div:nth-child(2n){ border-right:none; }
  .pillars{ grid-template-columns:repeat(2,1fr); }
  .pillar:nth-child(2n){ border-right:none; }
  .row, .branch{ grid-template-columns:1fr; gap:4px; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}