:root{
  --bg:#ffffff;
  --text:#0b1b33;
  --muted:#4b5b73;
  --line:rgba(12, 26, 51, .10);
  --primary:#1d4ed8;
  --gold:#b5852a;
  --green:#22c55e;
  --card:#ffffff;
  --soft:#f6f8fc;
  --shadow:0 14px 40px rgba(11,27,51,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 18px}

.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{height:44px;width:auto}
.brand-title{font-weight:900;letter-spacing:.2px}
.brand-sub{color:var(--muted);font-size:13px;margin-top:2px}
.nav{display:flex;gap:14px;flex-wrap:wrap}
.nav a{color:rgba(11,27,51,.82);padding:8px 10px;border-radius:12px;border:1px solid transparent}
.nav a.active{border-color:var(--line);background:rgba(29,78,216,.06)}
.header-cta{display:flex;gap:10px;align-items:center}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;font-weight:900}
.btn:hover{transform:translateY(-1px);transition:.15s ease}
.btn-primary{background:linear-gradient(135deg, rgba(29,78,216,.95), rgba(29,78,216,.75));color:#fff;border-color:rgba(29,78,216,.35)}
.btn-ghost{background:rgba(255,255,255,.75)}
.btn-lg{padding:12px 16px;border-radius:16px}
.w-full{width:100%}

.main{min-height:60vh}

.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute; inset:0;background-size:cover;background-position:center;transition:opacity .8s ease;opacity:1}
.hero-overlay{position:absolute; inset:0;background:linear-gradient(90deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.70) 45%, rgba(255,255,255,.35) 70%, rgba(255,255,255,.10) 100%)}
.hero-inner{position:relative; z-index:2; padding:54px 0}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}

.badge{display:inline-flex;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.75);color:rgba(11,27,51,.72);font-weight:900;font-size:12px}
h1{font-size:44px;line-height:1.10;margin:14px 0 10px}
.lead{color:var(--muted);font-size:16px;line-height:1.7;margin:0 0 16px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0}
.hero-card{background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.hero-card-title{font-weight:900;margin-bottom:8px}
.list{margin:0;padding-left:18px;color:var(--muted);line-height:1.9}
.mini{color:var(--muted);font-size:13px;margin-top:8px}
.hero-dots{display:flex;gap:8px;margin-top:14px}
.dot{width:10px;height:10px;border-radius:999px;border:1px solid rgba(11,27,51,.25);background:rgba(255,255,255,.9);cursor:pointer}
.dot.active{background:rgba(29,78,216,.95);border-color:rgba(29,78,216,.35)}

.section{padding:34px 0}
.section-soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:24px;margin:0 0 14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:0 10px 26px rgba(11,27,51,.07)}
.card-title{font-weight:900;margin-bottom:6px}
.card-body{color:var(--muted);line-height:1.65}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.panel-title{font-weight:900;margin-bottom:8px}
.panel-body{color:var(--muted);line-height:1.6}

.page{padding:32px 0}
.muted{color:var(--muted)}
.link{text-decoration:underline;color:rgba(29,78,216,.95)}

.footer{padding:18px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.foot-title{font-weight:900}
.foot-sub{color:var(--muted);font-size:13px;margin-top:2px}
.partner{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
.partner img{height:22px;width:auto;opacity:.95}

.wa-float{position:fixed;right:16px;bottom:16px;z-index:50;display:flex;gap:10px;align-items:center;
  padding:12px 14px;border-radius:999px;background:linear-gradient(135deg, rgba(34,197,94,.95), rgba(34,197,94,.80));
  border:1px solid rgba(34,197,94,.35);box-shadow:0 14px 40px rgba(11,27,51,.12);font-weight:900;color:#fff}
.wa-dot{width:10px;height:10px;border-radius:99px;background:rgba(255,255,255,.95);display:inline-block}

@media (max-width: 980px){
  .hero{min-height:640px}
  .hero-grid,.two-col,.grid-3,.grid-2{grid-template-columns:1fr}
  h1{font-size:34px}
  .header-inner{flex-wrap:wrap}
  .nav{width:100%}
  .hero-overlay{background:linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(255,255,255,.78) 55%, rgba(255,255,255,.55) 100%)}
}
/* Mobile nav UI */
.nav-toggle{
  display:none;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  font-weight:900;
  cursor:pointer;
}

/* CTA inside mobile nav */
.nav-mobile-cta{
  display:none;
  margin-top:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
  gap:10px;
}

/* Improve tap targets */
.nav a{min-height:40px;display:flex;align-items:center}

/* Mobile tweaks */
@media (max-width: 980px){
  .header-cta{display:none;}         /* hide desktop CTA */
  .nav-toggle{display:inline-flex;}  /* show hamburger */

  .nav{
    width:100%;
    display:none;
    flex-direction:column;
    gap:8px;
    margin-top:10px;
    padding:12px;
    border:1px solid var(--line);
    border-radius:18px;
    background:rgba(255,255,255,.95);
    box-shadow: var(--shadow);
  }
  .nav.open{display:flex;}
  .nav a{
    width:100%;
    padding:10px 12px;
    border-radius:14px;
    border:1px solid rgba(12,26,51,.08);
    background:#fff;
  }
  .nav-mobile-cta{
    display:grid;
  }

  /* Hero mobile: lebih nyaman */
  .hero{min-height:680px;}
  .cta-row{flex-direction:column;}
  .cta-row .btn{width:100%;}
  h1{font-size:32px;}
}
/* Programs page enhancements */
.page-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  margin-bottom:16px;
}
.page-head-cta{display:flex;gap:10px;flex-wrap:wrap}

.section-title{margin-top:22px}

.highlight{
  background: linear-gradient(180deg, rgba(29,78,216,.06), rgba(255,255,255,1));
  border:1px solid var(--line);
  border-radius:24px;
  padding:16px;
  box-shadow: var(--shadow);
  margin: 18px 0 10px;
}
.highlight-badge{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(29,78,216,.18);
  background: rgba(29,78,216,.08);
  color: rgba(11,27,51,.78);
  font-weight:900;
  font-size:12px;
}
.highlight-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:14px;
  margin-top:12px;
}
.highlight-title{margin:10px 0 8px}

.chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.chips-sm{margin-top:10px}
.chip{
  display:inline-flex;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(12,26,51,.12);
  background: rgba(255,255,255,.85);
  color: rgba(11,27,51,.75);
  font-weight:800;
  font-size:12px;
}

.highlight-card{
  background: rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:20px;
  padding:14px;
}
.highlight-card-title{font-weight:900;margin-bottom:8px}
.divider{height:1px;background:var(--line);margin:12px 0}

.cta-band{
  margin-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:18px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(11,27,51,.07);
}
.cta-band-title{font-weight:900}

/* Responsive */
@media (max-width: 980px){
  .page-head{flex-direction:column}
  .page-head-cta{width:100%}
  .page-head-cta .btn{width:100%}
  .highlight-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:stretch}
  .cta-band-actions{display:grid;gap:10px}
  .cta-band-actions .btn{width:100%}
}
/* Gallery */
.gallery{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:12px;
  margin-top:12px;
}
.g-item{
  padding:0;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:#fff;
  cursor:pointer;
  box-shadow: 0 10px 26px rgba(11,27,51,.07);
}
.g-item img{
  width:100%;
  height:240px;
  object-fit:cover;
  display:block;
  transition: transform .2s ease;
}
.g-item:hover img{transform:scale(1.02)}

/* Empty state */
.empty{
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--soft);
}
.empty-title{font-weight:900;font-size:18px;margin-bottom:6px}
.tips{margin-top:14px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}

/* Lightbox */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.72);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:80;
  padding:18px;
}
.lightbox.open{display:flex}
.lb-img{
  max-width:96vw;
  max-height:86vh;
  border-radius:18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
  background:#111;
}
.lb-close{
  position:fixed;
  top:14px;
  right:14px;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.10);
  color:#fff;
  font-size:20px;
  font-weight:900;
  cursor:pointer;
}

/* Responsive */
@media (max-width: 980px){
  .gallery{grid-template-columns:repeat(2,1fr)}
  .g-item img{height:180px}
  .tips{grid-template-columns:1fr}
}
@media (max-width: 520px){
  .gallery{grid-template-columns:1fr}
  .g-item img{height:220px}
}
/* Form */
.form{margin-top:14px}
.form-group{margin-bottom:14px}
label{display:block;font-weight:800;margin-bottom:6px}
input, select, textarea{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  font-size:14px;
}
input:focus, select:focus, textarea:focus{
  outline:none;
  border-color:rgba(29,78,216,.45);
  box-shadow:0 0 0 3px rgba(29,78,216,.12);
}
/* Team */
.team-grid{margin-top:12px}
.team-card{padding:16px}
.avatar{
  width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;
  background:rgba(29,78,216,.10);
  border:1px solid rgba(29,78,216,.18);
  color:rgba(11,27,51,.85);
  margin-bottom:10px;
}
.team-name{font-weight:900;font-size:16px;margin-bottom:2px}
.team-role{color:var(--muted);font-weight:800;font-size:13px;margin-bottom:10px}

/* Tech summary tweaks */
.tech-summary{margin-top:12px}

/* FAQ accordion */
.faq{margin-top:10px;display:grid;gap:10px}
.faq-item{
  width:100%;
  text-align:left;
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  background:#fff;
  box-shadow:0 10px 26px rgba(11,27,51,.06);
  cursor:pointer;
}
.faq-q{
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.faq-q::after{
  content:"+";
  font-weight:900;
  opacity:.7;
}
.faq-a{
  margin-top:10px;
  color:var(--muted);
  line-height:1.65;
  display:none;
}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q::after{content:"–"}

/* Responsive */
@media (max-width: 980px){
  .team-card{padding:14px}
}
/* Avatar cartoon style */
.avatar{
  width:64px;
  height:64px;
  border-radius:20px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:18px;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.35), transparent 40%),
    linear-gradient(135deg, rgba(29,78,216,.85), rgba(11,27,51,.85));
  color:#fff;
  border:1px solid rgba(29,78,216,.35);
  box-shadow:0 10px 24px rgba(11,27,51,.25);
}
.avatar-img{
  padding:0;
  overflow:hidden;
}
.avatar-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:20px;
}
/* Sticky Bottom Banner (mobile only) */
.sb{
  position:fixed;
  left:0; right:0; bottom:0;
  z-index:110;
  display:none;
  padding:10px 0;
  background:rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-top:1px solid var(--line);
}
.sb.show{display:block}

.sb__inner{
  position:relative;
  display:grid;
  grid-template-columns: 1fr auto;
  gap:12px;
  align-items:center;
}

.sb__close{
  position:absolute;
  top:-6px;
  right:10px;
  width:34px;
  height:34px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  font-weight:900;
  cursor:pointer;
}

.sb__badge{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(29,78,216,.18);
  background:rgba(29,78,216,.08);
  font-weight:900;
  font-size:11px;
  color:rgba(11,27,51,.78);
  margin-bottom:6px;
}
.sb__title{
  font-weight:900;
  line-height:1.15;
  font-size:14px;
}
.sb__sub{
  color:var(--muted);
  font-size:12px;
  margin-top:3px;
}

.sb__actions{
  display:flex;
  gap:8px;
}
.sb__btn{
  padding:10px 12px;
  border-radius:14px;
}

/* add space so content isn't covered by banner */
body.has-sb{ padding-bottom: 92px; }

@media (min-width: 769px){
  .sb{display:none !important}
  body.has-sb{padding-bottom:0}
}