:root{
  --navy:#123a5a;
  --navy-deep:#0b2942;
  --green:#2f5d50;
  --gold:#d4a84f;
  --orange:#f28c45;
  --cream:#f9f7f2;
  --white:#ffffff;
  --charcoal:#2f2f2f;
  --muted:#6d747a;
  --line:rgba(18,58,90,.14);
  --shadow:0 18px 50px rgba(11,41,66,.12);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--charcoal);
  background:var(--cream);
  line-height:1.65;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.eyebrow{
  color:var(--gold);font-size:.78rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase
}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.1;margin:0;color:var(--navy-deep)}
h1{font-size:clamp(3rem,8vw,6.5rem)}
h2{font-size:clamp(2.2rem,5vw,4rem)}
h3{font-size:1.45rem}
p{margin:0 0 1rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  min-height:48px;padding:0 1.25rem;border-radius:999px;
  font-weight:800;border:1px solid transparent;transition:.2s ease
}
.btn-primary{background:var(--gold);color:var(--navy-deep)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.03)}
.btn-secondary{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-secondary:hover{background:rgba(255,255,255,.15)}
.site-header{
  position:sticky;top:0;z-index:1000;
  backdrop-filter:blur(14px);background:rgba(249,247,242,.92);border-bottom:1px solid var(--line)
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand img{width:54px;height:54px;border-radius:50%;object-fit:cover;background:#fff}
.brand-copy strong{display:block;color:var(--navy-deep);font-family:Georgia,serif;font-size:1.25rem}
.brand-copy span{display:block;color:var(--muted);font-size:.78rem;white-space:nowrap}
.nav-links{display:flex;gap:24px;align-items:center;font-size:.95rem;font-weight:700}
.nav-links a:hover,.nav-links a.active{color:var(--orange)}
.menu-btn{display:none;background:none;border:0;font-size:1.8rem;color:var(--navy-deep)}
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(circle at 80% 20%,rgba(242,140,69,.25),transparent 30%),
    linear-gradient(135deg,rgba(11,41,66,.97),rgba(47,93,80,.92));
}
.hero:after{
  content:"";position:absolute;inset:auto -5% -40px -5%;height:210px;
  background:linear-gradient(165deg,transparent 48%,rgba(255,255,255,.08) 49%,rgba(255,255,255,.08) 55%,transparent 56%);
  opacity:.7
}
.hero-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;
  align-items:center;gap:56px;min-height:680px;padding:90px 0
}
.hero h1{color:#fff;max-width:860px}
.hero .lead{font-size:clamp(1.05rem,2vw,1.35rem);max-width:720px;color:rgba(255,255,255,.86)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-logo{
  width:min(410px,80vw);margin-inline:auto;border-radius:50%;
  background:#fff;padding:18px;box-shadow:0 30px 90px rgba(0,0,0,.24)
}
.section{padding:96px 0}
.section-soft{background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head p{max-width:620px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow)
}
.card .icon{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  font-size:1.45rem;background:rgba(212,168,79,.16);margin-bottom:20px
}
.card p{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.visual-panel{
  min-height:420px;border-radius:32px;padding:38px;color:#fff;display:flex;align-items:end;
  background:
    linear-gradient(180deg,rgba(11,41,66,.1),rgba(11,41,66,.88)),
    linear-gradient(135deg,#5b8ab0,#8fb79e);
  box-shadow:var(--shadow)
}
.visual-panel h3{color:#fff;font-size:2rem}
.event-card{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center}
.date-box{
  background:var(--navy-deep);color:#fff;border-radius:18px;padding:18px;text-align:center
}
.date-box strong{display:block;font-size:2rem;line-height:1}
.date-box span{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.gallery-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.gallery-tile{
  min-height:240px;border-radius:24px;padding:24px;display:flex;align-items:end;color:#fff;
  background:linear-gradient(135deg,#123a5a,#2f5d50);box-shadow:var(--shadow)
}
.gallery-tile:nth-child(2){background:linear-gradient(135deg,#f28c45,#d4a84f)}
.gallery-tile:nth-child(3){background:linear-gradient(135deg,#2f5d50,#123a5a)}
.gallery-tile h3{color:#fff}
.cta{
  padding:52px;border-radius:32px;color:#fff;
  background:linear-gradient(135deg,var(--navy-deep),var(--green));
  display:flex;justify-content:space-between;align-items:center;gap:30px
}
.cta h2{color:#fff}
.page-hero{padding:90px 0 72px;background:linear-gradient(135deg,var(--navy-deep),var(--green));color:#fff}
.page-hero h1{font-size:clamp(2.8rem,6vw,5rem);color:#fff}
.prose{max-width:850px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1/-1}
input,textarea,select{
  width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;
  font:inherit;background:#fff
}
textarea{min-height:150px;resize:vertical}
.footer{background:#081f35;color:rgba(255,255,255,.78);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:38px}
.footer h3{color:#fff}
.footer a:hover{color:var(--gold)}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:.88rem}
.lang-toggle{display:flex;gap:6px;border:1px solid var(--line);padding:4px;border-radius:999px}
.lang-toggle button{border:0;background:transparent;padding:6px 10px;border-radius:999px;font-weight:800;cursor:pointer}
.lang-toggle button.active{background:var(--navy-deep);color:#fff}
[data-lang="id"]{display:none}
body.lang-id [data-lang="en"]{display:none}
body.lang-id [data-lang="id"]{display:initial}
@media (max-width:900px){
  .nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:var(--cream);padding:20px;flex-direction:column;border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .hero-grid,.split,.footer-grid{grid-template-columns:1fr}
  .hero-grid{min-height:auto;padding:72px 0}
  .hero-logo{max-width:310px}
  .cards{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .section-head,.cta{align-items:flex-start;flex-direction:column}
}
@media (max-width:620px){
  .container{width:min(100% - 24px,var(--max))}
  .brand-copy span{display:none}
  .section{padding:72px 0}
  .event-card{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
  .cta{padding:34px 24px}
}