/* ============================================================
   BelajarCPNS — Stylesheet Utama
   Tema: editorial hijau zamrud + emas, kertas hangat
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,900&family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root{
  --ink:#10231d;
  --paper:#f4f1e8;
  --paper-2:#ece7d6;
  --white:#ffffff;
  --emerald:#0f6f53;
  --emerald-2:#0a5240;
  --gold:#d99a32;
  --gold-soft:#f0d9a8;
  --rust:#b5482e;
  --line:#cfc8b2;
  --shadow:rgba(16,35,29,.16);
  --r:18px;
  --maxw:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Sora',sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  overflow-x:hidden;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(15,111,83,.06), transparent 40%),
    radial-gradient(circle at 88% 92%, rgba(217,154,50,.08), transparent 45%);
  min-height:100vh;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}
a{color:inherit}

/* ---------- NAVBAR ---------- */
nav.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(244,241,232,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar .inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700}
.brand .logo{
  width:36px;height:36px;border-radius:10px;background:var(--emerald);
  display:grid;place-items:center;color:#fff;font-family:'Fraunces',serif;font-weight:900;font-size:1.2rem;
}
.brand b{font-family:'Fraunces',serif;font-size:1.2rem}
.brand b span{color:var(--emerald)}
.navlinks{display:flex;align-items:center;gap:8px}
.navlinks a{
  text-decoration:none;font-size:.92rem;font-weight:500;padding:8px 14px;border-radius:100px;
  transition:background .2s,color .2s;
}
.navlinks a:hover{background:var(--paper-2)}
.navlinks a.cta{background:var(--emerald);color:#fff}
.navlinks a.cta:hover{background:var(--emerald-2)}
.burger{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--ink)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;cursor:pointer;
  font-family:'Sora',sans-serif;font-weight:600;font-size:.95rem;
  padding:13px 26px;border-radius:100px;border:none;transition:transform .2s,box-shadow .2s,background .2s;
}
.btn-primary{background:var(--emerald);color:#fff}
.btn-primary:hover{background:var(--emerald-2);transform:translateY(-2px);box-shadow:0 14px 30px -16px var(--emerald)}
.btn-ghost{background:transparent;color:var(--ink);border:1.6px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#c9882a;transform:translateY(-2px)}

/* ---------- HEADINGS ---------- */
.kicker{
  display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.72rem;
  letter-spacing:.26em;text-transform:uppercase;color:var(--emerald-2);
  border:1px solid var(--emerald);border-radius:100px;padding:6px 15px;
  background:rgba(15,111,83,.06);
}
h1,h2,h3,h4{font-family:'Fraunces',serif;letter-spacing:-.01em;line-height:1.08}
.section-title{font-weight:900;font-size:clamp(1.8rem,4vw,2.7rem)}

/* ---------- AD SLOTS ---------- */
.ad-slot{
  margin:30px auto;max-width:920px;
  background:repeating-linear-gradient(45deg,var(--paper-2),var(--paper-2) 10px,#e6e0cd 10px,#e6e0cd 20px);
  border:1.5px dashed var(--line);border-radius:14px;
  min-height:110px;display:grid;place-items:center;text-align:center;padding:18px;
}
.ad-slot .ad-note{
  font-family:'JetBrains Mono',monospace;font-size:.74rem;letter-spacing:.1em;
  color:#8a7a52;text-transform:uppercase;
}
.ad-slot.ad-leaderboard{min-height:100px}
.ad-slot.ad-rect{max-width:336px;min-height:280px}

/* ---------- CARDS ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;box-shadow:0 18px 40px -34px var(--shadow);
}

/* ---------- FOOTER ---------- */
footer.site{
  margin-top:60px;background:var(--ink);color:var(--paper);
  position:relative;z-index:2;
}
footer.site .inner{max-width:var(--maxw);margin:0 auto;padding:50px 24px 30px;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
footer.site h4{font-size:1.1rem;color:var(--gold-soft);margin-bottom:14px}
footer.site .brand b{color:var(--paper)}
footer.site p{color:#aebcb5;font-size:.9rem;max-width:40ch}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:9px}
footer.site a{color:#cdd6cf;text-decoration:none;font-size:.9rem}
footer.site a:hover{color:var(--gold-soft)}
footer.site .copy{
  border-top:1px solid rgba(244,241,232,.12);margin-top:30px;padding:18px 24px;
  text-align:center;font-size:.82rem;color:#8a988f;
}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:820px){
  .navlinks{
    position:fixed;top:65px;right:0;bottom:0;width:75%;max-width:300px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--paper);border-left:1px solid var(--line);
    padding:20px;transform:translateX(105%);transition:transform .3s;z-index:60;
  }
  .navlinks.open{transform:none}
  .navlinks a{padding:13px 16px;border-radius:12px}
  .burger{display:block}
  footer.site .inner{grid-template-columns:1fr;gap:28px}
}