:root{
  --navy-deep:#0F2547;
  --navy:#1B3A6B;
  --blue:#2C5296;
  --gold:#C6952E;
  --gold-light:#E4C877;
  --cream:#F9F6EF;
  --paper:#FFFFFF;
  --ink:#1B2333;
  --ink-soft:#4A5568;
  --line: rgba(27,58,107,0.12);
  --radius: 14px;
  --shadow: 0 20px 40px -20px rgba(15,37,71,0.25);
  --ease: cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Source Sans 3', sans-serif;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
h1,h2,h3,h4{
  font-family:'Playfair Display', serif;
  color:var(--navy-deep);
  margin:0 0 .5em;
  line-height:1.15;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:.55em;
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--gold); font-weight:700; margin-bottom:.9em;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--gold); }
.wrap{max-width:1180px; margin:0 auto; padding:0 24px;}
section{padding:96px 0;}
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:14px 30px; border-radius:999px; font-weight:600; font-size:.95rem;
  cursor:pointer; border:1px solid transparent; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space:nowrap;
}
.btn-gold{ background:linear-gradient(135deg,var(--gold-light),var(--gold)); color:var(--navy-deep); box-shadow:0 10px 24px -8px rgba(198,149,46,.55);}
.btn-gold:hover{ transform:translateY(-2px); box-shadow:0 14px 30px -8px rgba(198,149,46,.7);}
.btn-ghost{ background:transparent; border-color:rgba(255,255,255,.55); color:#fff;}
.btn-ghost:hover{ background:rgba(255,255,255,.12); transform:translateY(-2px);}
.btn-outline{ background:transparent; border-color:var(--navy); color:var(--navy);}
.btn-outline:hover{ background:var(--navy); color:#fff; transform:translateY(-2px);}

/* NAV */
header{ position:fixed; top:0; left:0; right:0; z-index:100; padding:18px 0; transition:background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease); }
header.solid, header.solid-static{ background:rgba(249,246,239,.94); backdrop-filter:blur(10px); padding:10px 0; box-shadow:0 4px 24px -8px rgba(15,37,71,.15);}
nav.wrap{ display:flex; align-items:center; justify-content:space-between; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ width:44px; height:44px; border-radius:50%; object-fit:cover; }
.brand-text{ line-height:1.1; }
.brand-text strong{ display:block; font-family:'Playfair Display',serif; font-size:1.08rem; color:#fff; transition:color .35s var(--ease); }
.brand-text span{ display:block; font-size:.62rem; letter-spacing:.22em; color:var(--gold-light); text-transform:uppercase; }
header.solid .brand-text strong, header.solid-static .brand-text strong{ color:var(--navy-deep); }
.navlinks{ display:flex; align-items:center; gap:34px; }
.navlinks a{ font-size:.92rem; font-weight:600; color:rgba(255,255,255,.9); position:relative; padding:4px 0; transition:color .3s; }
.navlinks a::after{ content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0; background:var(--gold); transition:width .3s var(--ease); }
.navlinks a:hover::after, .navlinks a.active::after{ width:100%; }
header.solid .navlinks a, header.solid-static .navlinks a{ color:var(--ink); }
.navcta{ display:flex; align-items:center; gap:16px; }
.menu-toggle{ display:none; background:none; border:0; cursor:pointer; padding:6px; }
.menu-toggle span{ display:block; width:24px; height:2px; background:#fff; margin:5px 0; transition:.3s; }
header.solid .menu-toggle span, header.solid-static .menu-toggle span{ background:var(--navy-deep); }

/* HERO (home, full image) */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center;
  background:linear-gradient(120deg, rgba(15,37,71,.55), rgba(15,37,71,.15) 55%), url('assets/hero-bg.jpg') center/cover no-repeat;
  padding-top:120px;
}
.hero-inner{ max-width:640px; }
.hero .eyebrow{ color:var(--gold-light); }
.hero .eyebrow::before{ background:var(--gold-light); }
.hero h1{ color:#fff; font-size:clamp(2.3rem, 5vw, 3.6rem); font-weight:600; letter-spacing:-.01em; }
.hero h1 em{ font-style:italic; color:var(--gold-light); }
.hero p{ color:rgba(255,255,255,.88); font-size:1.12rem; max-width:520px; margin-bottom:2.2em; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.scroll-cue{ position:absolute; bottom:34px; left:50%; transform:translateX(-50%); display:flex; flex-direction:column; align-items:center; gap:8px; color:rgba(255,255,255,.75); font-size:.75rem; letter-spacing:.12em; text-transform:uppercase; }
.scroll-cue .line{ width:1px; height:34px; background:linear-gradient(var(--gold-light), transparent); animation:pulse-line 2s infinite; }
@keyframes pulse-line{ 0%,100%{opacity:.4;} 50%{opacity:1;} }

/* PAGE HEADER (inner pages, shorter banner) */
.page-header{
  position:relative; padding:190px 0 90px;
  background:linear-gradient(120deg, rgba(15,37,71,.72), rgba(15,37,71,.42)), url('assets/hero-bg.jpg') center/cover no-repeat;
  color:#fff;
}
.page-header .eyebrow{ color:var(--gold-light); }
.page-header .eyebrow::before{ background:var(--gold-light); }
.page-header h1{ color:#fff; font-size:clamp(2rem,4vw,2.8rem); }
.page-header p{ color:rgba(255,255,255,.85); max-width:560px; font-size:1.05rem; }
.breadcrumb{ font-size:.82rem; color:rgba(255,255,255,.65); margin-bottom:18px; }
.breadcrumb a:hover{ color:var(--gold-light); }

/* STATS STRIP */
.stats{ background:var(--navy-deep); color:#fff; padding:0; }
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); text-align:center; }
.stats-grid div{ padding:52px 20px; border-right:1px solid rgba(255,255,255,.1); }
.stats-grid div:last-child{ border-right:none; }
.stats-grid strong{ display:block; font-family:'Playfair Display',serif; font-size:2.1rem; color:var(--gold-light); }
.stats-grid span{ font-size:.85rem; color:rgba(255,255,255,.75); }

/* ABOUT */
.about{ padding:110px 0; }
.about-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:70px; align-items:center; }
.about-visual{ position:relative; border-radius:var(--radius); overflow:hidden; aspect-ratio:4/5; background:linear-gradient(160deg,var(--navy),var(--navy-deep)); display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow); }
.about-visual img{ width:150px; opacity:.95; filter:drop-shadow(0 10px 30px rgba(0,0,0,.35)); }
.about-visual::after{ content:""; position:absolute; inset:0; border:1px solid rgba(255,255,255,.15); border-radius:var(--radius); margin:14px; pointer-events:none; }
.about h2{ font-size:2.2rem; }
.about p{ color:var(--ink-soft); font-size:1.05rem; max-width:520px; }
.about-points{ list-style:none; padding:0; margin:28px 0 0; display:grid; gap:16px; }
.about-points li{ display:flex; gap:14px; align-items:flex-start; }
.about-points svg{ flex:none; width:22px; height:22px; color:var(--gold); margin-top:2px; }
.about-points b{ display:block; color:var(--navy-deep); }

/* VALUES (tentang page) */
.values-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.value-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:32px 26px; transition:transform .3s var(--ease), box-shadow .3s var(--ease); }
.value-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.value-card .ic{ width:52px; height:52px; border-radius:50%; background:linear-gradient(135deg,var(--gold-light),var(--gold)); display:flex; align-items:center; justify-content:center; color:var(--navy-deep); margin-bottom:18px; }

/* TEAM (tentang page placeholder) */
.team-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.team-card{ text-align:center; }
.team-avatar{ width:100%; aspect-ratio:1; border-radius:50%; background:linear-gradient(160deg,var(--navy),var(--blue)); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,.5); margin-bottom:16px; overflow:hidden; }
.team-card h4{ font-size:1rem; margin-bottom:2px; }
.team-card span{ font-size:.85rem; color:var(--ink-soft); }

/* KATALOG */
.katalog{ background:var(--paper); }
.katalog-frame{ border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); margin-bottom:56px; border:1px solid var(--line); }
.kategori-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:18px; }
.kategori-card{ background:var(--cream); border:1px solid var(--line); border-radius:var(--radius); padding:28px 18px; text-align:center; transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease); cursor:default; }
.kategori-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); background:#fff; }
.kategori-card .ic{ width:52px; height:52px; margin:0 auto 14px; border-radius:50%; background:linear-gradient(135deg,var(--gold-light),var(--gold)); display:flex; align-items:center; justify-content:center; color:var(--navy-deep); }
.kategori-card h4{ font-size:.98rem; margin:0 0 6px; }
.kategori-card p{ font-size:.82rem; color:var(--ink-soft); margin:0; }

/* Featured books (katalog page placeholder) */
.book-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.book-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .3s var(--ease), box-shadow .3s var(--ease); }
.book-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.book-cover{ aspect-ratio:3/4; background:linear-gradient(160deg,var(--navy),var(--blue)); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,.55); font-family:'Playfair Display',serif; font-size:.85rem; text-align:center; padding:16px; }
.book-info{ padding:16px 18px; }
.book-info span{ font-size:.75rem; color:var(--gold); text-transform:uppercase; letter-spacing:.06em; font-weight:700; }
.book-info h4{ font-size:1rem; margin:6px 0 0; }

/* LAYANAN */
.layanan{ background:linear-gradient(180deg,var(--cream),#fff); }
.section-head{ max-width:640px; margin:0 auto 56px; text-align:center; }
.section-head p{ color:var(--ink-soft); font-size:1.05rem; }
.layanan-frame{ border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--line); }

/* Service detail cards (layanan page) */
.service-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.service-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:32px 26px; transition:transform .3s var(--ease), box-shadow .3s var(--ease); }
.service-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow); }
.service-card .ic{ width:52px; height:52px; border-radius:50%; background:linear-gradient(135deg,var(--gold-light),var(--gold)); display:flex; align-items:center; justify-content:center; color:var(--navy-deep); margin-bottom:18px; }
.service-card h4{ font-size:1.05rem; margin-bottom:8px; }
.service-card p{ font-size:.92rem; color:var(--ink-soft); margin:0; }

/* WHY */
.why{ background:var(--navy-deep); color:#fff; position:relative; overflow:hidden; }
.why::before{ content:""; position:absolute; inset:0; background:radial-gradient(circle at 85% 20%, rgba(198,149,46,.18), transparent 55%); }
.why .wrap{ position:relative; }
.why .section-head h2{ color:#fff; }
.why .section-head p{ color:rgba(255,255,255,.72); }
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.why-card{ background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius); padding:32px 24px; transition:background .3s, transform .3s var(--ease); }
.why-card:hover{ background:rgba(255,255,255,.09); transform:translateY(-4px); }
.why-card .ic{ color:var(--gold-light); margin-bottom:16px; }
.why-card h4{ color:#fff; font-size:1.05rem; margin-bottom:8px; }
.why-card p{ color:rgba(255,255,255,.68); font-size:.92rem; margin:0; }

/* PROCESS */
.process-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:20px; counter-reset:step; }
.process-card{ position:relative; padding-top:12px; }
.process-card .num{ font-family:'Playfair Display',serif; font-size:2.6rem; color:var(--gold); opacity:.5; line-height:1; }
.process-card h4{ font-size:1rem; margin:10px 0 6px; }
.process-card p{ color:var(--ink-soft); font-size:.88rem; margin:0; }
.process-card:not(:last-child)::after{ content:""; position:absolute; top:22px; right:-10px; width:20px; height:1px; background:var(--line); display:none; }
@media(min-width:900px){ .process-card:not(:last-child)::after{ display:block; } }

/* CONTACT PAGE */
.contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:56px; align-items:start; }
.contact-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:36px; box-shadow:var(--shadow); }
.contact-item{ display:flex; gap:16px; align-items:flex-start; margin-bottom:26px; }
.contact-item:last-child{ margin-bottom:0; }
.contact-item .ic{ flex:none; width:44px; height:44px; border-radius:50%; background:linear-gradient(135deg,var(--gold-light),var(--gold)); display:flex; align-items:center; justify-content:center; color:var(--navy-deep); }
.contact-item h5{ margin:0 0 4px; font-size:.95rem; color:var(--navy-deep); font-family:'Playfair Display',serif; }
.contact-item p{ margin:0; color:var(--ink-soft); font-size:.94rem; }
.contact-social{ display:flex; gap:12px; margin-top:28px; }
.contact-social a{ width:42px; height:42px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--navy); transition:.3s var(--ease); }
.contact-social a:hover{ background:var(--navy-deep); color:#fff; border-color:var(--navy-deep); transform:translateY(-3px); }

.form-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:36px; box-shadow:var(--shadow); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
.form-field{ display:flex; flex-direction:column; gap:8px; }
.form-field.full{ grid-column:1 / -1; }
.form-field label{ font-size:.85rem; font-weight:600; color:var(--navy-deep); }
.form-field input, .form-field select, .form-field textarea{
  border:1px solid var(--line); border-radius:10px; padding:12px 14px; font-family:inherit; font-size:.95rem;
  background:var(--cream); color:var(--ink); transition:border-color .25s, box-shadow .25s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(198,149,46,.18); background:#fff;
}
.form-note{ font-size:.82rem; color:var(--ink-soft); margin-top:14px; }

.map-frame{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); box-shadow:var(--shadow); aspect-ratio:16/7; }
.map-frame iframe{ width:100%; height:100%; border:0; }

/* CTA banner */
.cta{ background:linear-gradient(135deg,var(--navy) 0%, var(--navy-deep) 100%); border-radius:28px; padding:70px 60px; text-align:center; color:#fff; margin:0 24px; position:relative; overflow:hidden; }
.cta::before{ content:""; position:absolute; width:400px; height:400px; border-radius:50%; background:radial-gradient(circle,rgba(198,149,46,.25),transparent 70%); top:-150px; right:-100px; }
.cta h2{ color:#fff; font-size:2rem; position:relative; }
.cta p{ color:rgba(255,255,255,.78); max-width:520px; margin:0 auto 30px; position:relative; }
.cta-actions{ display:flex; justify-content:center; gap:16px; flex-wrap:wrap; position:relative; }

/* FOOTER */
footer{ background:var(--navy-deep); color:rgba(255,255,255,.75); padding:70px 0 26px; margin-top:96px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; margin-bottom:44px; }
.footer-brand{ display:flex; gap:12px; align-items:center; margin-bottom:16px; }
.footer-brand img{ width:40px; height:40px; border-radius:50%; }
.footer-brand strong{ font-family:'Playfair Display',serif; color:#fff; font-size:1.1rem; }
footer h5{ color:#fff; font-size:.85rem; letter-spacing:.08em; text-transform:uppercase; margin:0 0 18px; }
footer ul{ list-style:none; padding:0; margin:0; display:grid; gap:12px; font-size:.92rem; }
footer ul a:hover{ color:var(--gold-light); }
.footer-social{ display:flex; gap:12px; margin-top:20px; }
.footer-social a{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center; color:#fff; transition:.3s var(--ease);
}
.footer-social a:hover{ background:var(--gold); border-color:var(--gold); color:var(--navy-deep); transform:translateY(-3px); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:.82rem; color:rgba(255,255,255,.5); }

/* reveal on scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}

/* RESPONSIVE */
@media(max-width:1000px){
  .about-grid{ grid-template-columns:1fr; }
  .about-visual{ aspect-ratio:16/9; max-width:420px; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .stats-grid div:nth-child(2){ border-right:none; }
  .kategori-grid{ grid-template-columns:repeat(3,1fr); }
  .book-grid{ grid-template-columns:repeat(2,1fr); }
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .values-grid{ grid-template-columns:repeat(2,1fr); }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
  .process-grid{ grid-template-columns:repeat(2,1fr); gap:32px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .cta{ padding:56px 30px; }
}
@media(max-width:720px){
  section{ padding:70px 0; }
  .navlinks, .navcta .btn-outline{ display:none; }
  .menu-toggle{ display:block; }
  .kategori-grid{ grid-template-columns:repeat(2,1fr); }
  .book-grid{ grid-template-columns:1fr 1fr; }
  .service-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:30px; }
  .hero p{ font-size:1rem; }
  .form-row{ grid-template-columns:1fr; }
  .page-header{ padding:150px 0 70px; }
}

/* mobile nav drawer */
.mobile-nav{
  position:fixed; inset:0; background:var(--navy-deep); z-index:200;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:28px;
  transform:translateY(-100%); transition:transform .4s var(--ease);
}
.mobile-nav.open{ transform:translateY(0); }
.mobile-nav a{ color:#fff; font-family:'Playfair Display',serif; font-size:1.6rem; }
.mobile-nav .close{ position:absolute; top:24px; right:24px; background:none; border:0; color:#fff; font-size:1.8rem; cursor:pointer; }