/* Menu navigasi: baris menu di komputer; panel samping (drawer) mewah di HP. */
.nav-list{display:flex;gap:4px;flex-wrap:wrap}
.nav-list a{text-decoration:none;font-weight:600;font-size:.84rem;color:var(--muted);padding:8px 10px;border-bottom:2px solid transparent}
.nav-list a:hover{color:var(--ink)}
.nav-list a[aria-current]{color:var(--ink);border-bottom-color:var(--accent)}
.nav-head,.nav-cta,.nav-bg{display:none}

/* Tombol menu (HP): kotak membulat dengan garis tipis. */
.mb{display:none;width:46px;height:46px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;padding:0;cursor:pointer;place-items:center;transition:border-color .25s,transform .2s,background .25s}
.mb:hover{border-color:var(--brass)}
.mb:active{transform:scale(.94)}
.bars{position:relative;width:20px;height:14px;display:block}
.bars i{position:absolute;left:0;height:2px;width:20px;background:currentColor;border-radius:2px;transition:width .3s cubic-bezier(.22,1,.36,1),left .3s cubic-bezier(.22,1,.36,1)}
.bars i:nth-child(1){top:0}
.bars i:nth-child(2){top:6px;width:13px;left:7px}
.bars i:nth-child(3){top:12px}
.mb:hover .bars i:nth-child(2){width:20px;left:0}

@media (max-width:760px){
  .mb{display:grid}
  .bar{flex-wrap:nowrap}
  body.menu-open{overflow:hidden}
  body.menu-open header{z-index:100}
  body.menu-open .fab,body.menu-open .totop{opacity:0;pointer-events:none}

  /* Latar gelap buram di belakang panel. */
  .nav-bg{display:block;position:fixed;inset:0;z-index:1;background:rgba(3,8,18,.66);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);opacity:0;visibility:hidden;transition:opacity .4s,visibility 0s linear .5s}
  .nav-bg.open{opacity:1;visibility:visible;transition:opacity .4s,visibility 0s}

  /* Panel samping: meluncur dari kiri. */
  .nav-list{display:contents}
  nav{position:fixed;z-index:2;top:0;left:0;bottom:0;width:min(88vw,380px);height:100vh;height:100dvh;display:flex;flex-direction:column;overflow-y:auto;overscroll-behavior:contain;
    background:radial-gradient(120% 60% at 0% 0%,rgba(201,164,92,.10),transparent 60%),linear-gradient(180deg,#0c1527,#08111f);
    border-right:1px solid rgba(201,164,92,.28);box-shadow:30px 0 60px -20px rgba(0,0,0,.7);
    transform:translateX(-102%);visibility:hidden;transition:transform .55s cubic-bezier(.22,1,.36,1),visibility 0s linear .55s}
  nav.open{transform:none;visibility:visible;transition:transform .55s cubic-bezier(.22,1,.36,1),visibility 0s}

  .nav-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:22px}
  .nav-head .logo{color:#fff;font-size:.95rem;min-width:0}
  .nav-x{flex:none;width:46px;height:46px;display:grid;place-items:center;color:#e8edf6;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);border-radius:14px;cursor:pointer;padding:0;transition:background .25s,border-color .25s}
  .nav-x:hover{border-color:#c9a45c;background:rgba(201,164,92,.15)}
  .nav-x svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;transition:transform .5s cubic-bezier(.22,1,.36,1)}
  nav.open .nav-x svg{transform:rotate(180deg)}

  /* Butir menu: kotak membulat, huruf kapital renggang. */
  .nav-list a{position:relative;display:flex;align-items:center;justify-content:space-between;margin:0 20px 12px;padding:19px 22px;border:1px solid rgba(255,255,255,.06);border-radius:16px;background:rgba(255,255,255,.045);
    color:#9fabc2;font-weight:500;font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;line-height:1.2;overflow:hidden;
    transition:color .25s,background .25s,border-color .25s,transform .25s}
  .nav-list a::after{content:"\2192";opacity:0;transform:translateX(-8px);color:#e6c887;letter-spacing:0;transition:opacity .25s,transform .3s cubic-bezier(.22,1,.36,1)}
  .nav-list a:hover,.nav-list a:active{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(201,164,92,.4)}
  .nav-list a:hover::after,.nav-list a:active::after{opacity:1;transform:none}
  .nav-list a[aria-current]{color:#f4dfaa;font-weight:600;border-color:rgba(201,164,92,.55);background:linear-gradient(90deg,rgba(201,164,92,.22),rgba(201,164,92,.06))}
  .nav-list a[aria-current]::before{content:"";position:absolute;left:0;top:18%;bottom:18%;width:3px;border-radius:0 3px 3px 0;background:linear-gradient(#f0d58f,#c9a45c)}
  .nav-list a[aria-current]::after{opacity:1;transform:none}

  /* Tombol Konsultasi: emas berkilau. */
  .nav-cta{position:relative;display:flex;align-items:center;justify-content:center;margin:14px 20px 32px;padding:19px 22px;border-radius:16px;overflow:hidden;text-decoration:none;
    background:linear-gradient(100deg,#f0d58f,#c9a45c 45%,#a67c2a);color:#0b1e3f;font-weight:700;font-size:.85rem;letter-spacing:.3em;text-transform:uppercase;
    box-shadow:0 14px 30px -10px rgba(201,164,92,.6),0 1px 0 rgba(255,255,255,.45) inset;transition:transform .25s,box-shadow .25s}
  .nav-cta:active{transform:scale(.98)}
  .nav-cta::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:nav-kilau 3.4s ease-in-out 1s infinite}
  @keyframes nav-kilau{0%{left:-60%}45%,100%{left:130%}}

  /* Animasi saat dibuka: kepala, tiap menu, lalu tombol muncul bergantian dari kiri. */
  .nav-head,.nav-list a,.nav-cta{opacity:0;transform:translateX(-26px)}
  nav.open .nav-head,nav.open .nav-list a,nav.open .nav-cta{opacity:1;transform:none;transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .6s cubic-bezier(.22,1,.36,1),color .25s,background .25s,border-color .25s,box-shadow .25s}
  nav.open .nav-head{transition-delay:.08s}
  nav.open .nav-list a,nav.open .nav-cta{transition-delay:calc(.16s + var(--i,0) * .06s),calc(.16s + var(--i,0) * .06s),0s,0s,0s,0s}
}
/* Layar lebar: menu selalu satu baris. Montserrat lebih lebar, jadi huruf menu dikecilkan sedikit di layar sedang. */
@media (min-width:901px){.nav-list{flex-wrap:nowrap}.nav-list a{white-space:nowrap}}
@media (min-width:761px) and (max-width:1100px){.nav-list a{font-size:.78rem;padding:8px 7px}}
@media (prefers-reduced-motion:reduce){nav,.nav-bg,.nav-head,.nav-list a,.nav-cta,.nav-x svg{transition:none!important}.nav-cta::after{animation:none}}

/* Animasi menu saat pointer diarahkan (komputer saja). */
@media (min-width:761px){
  .nav-list a{
    position:relative;
    transition:color .3s ease, transform .3s cubic-bezier(.22,1,.36,1);
  }
  /* Garis emas tumbuh dari tengah ke kedua sisi. */
  .nav-list a::after{
    content:"";
    position:absolute;
    left:10px; right:10px; bottom:-2px;
    height:2px;
    background:linear-gradient(90deg,#f0d58f,#c9a45c);
    transform:scaleX(0);
    transform-origin:center;
    transition:transform .35s cubic-bezier(.22,1,.36,1);
  }
  .nav-list a:hover{
    color:#f4dfaa;
    transform:translateY(-2px);
  }
  .nav-list a:hover::after{
    transform:scaleX(1);
  }
  /* Menu aktif tetap memakai garis bawah bawaan, tidak ikut bergerak. */
  .nav-list a[aria-current]:hover{
    transform:none;
    color:var(--ink);
  }
  .nav-list a[aria-current]::after{
    display:none;
  }
}
/* Panel menu HP untuk mode terang (mode gelap tetap memakai tampilan lama). */
@media (max-width:760px) and (prefers-color-scheme:light),(max-width:760px) and (prefers-color-scheme:no-preference){
  nav{background:radial-gradient(120% 60% at 0% 0%,rgba(176,141,63,.14),transparent 60%),linear-gradient(180deg,#fff,#eef1f7);
    border-right:1px solid rgba(176,141,63,.4);box-shadow:30px 0 60px -20px rgba(15,27,48,.35)}
  .nav-bg{background:rgba(15,27,48,.45)}
  .nav-head{border-bottom-color:var(--line)}
  .nav-head .logo{color:var(--ink)}
  .nav-x{color:var(--ink);background:#fff;border-color:var(--line)}
  .nav-x:hover{border-color:var(--brass);background:rgba(176,141,63,.1)}
  .nav-list a{color:var(--muted);background:#fff;border-color:var(--line)}
  .nav-list a::after{color:var(--brass)}
  .nav-list a:hover,.nav-list a:active{color:var(--ink);background:#fff;border-color:rgba(176,141,63,.6)}
  .nav-list a[aria-current]{color:#6b5217;border-color:rgba(176,141,63,.6);background:linear-gradient(90deg,rgba(176,141,63,.22),rgba(176,141,63,.06))}
}
/* Panel menu HP dibuat lebih ramping dan rapat. */
@media (max-width:760px){
  nav{width:min(78vw,310px)}
  .nav-head{padding:12px 14px;margin-bottom:14px;gap:8px}
  .nav-head .logo{font-size:.82rem}
  .nav-x{width:40px;height:40px;border-radius:12px}
  .nav-list a{margin:0 14px 8px;padding:14px 16px;font-size:.74rem;letter-spacing:.16em;border-radius:14px}
  .nav-cta{margin:10px 14px 24px;padding:15px 16px;font-size:.76rem;letter-spacing:.24em;border-radius:14px}
}