/* ============================================================
   NAV.CSS — Sticky Navigation + Mobile Drawer
   Portal Ekonomi Map — Desa Polobogo
   ============================================================ */

/* ── NAV WRAPPER ────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  transition:
    background-color var(--dur-normal) var(--ease-out),
    box-shadow       var(--dur-normal) var(--ease-out),
    transform        var(--dur-slow)   var(--ease-out);
  background-color: transparent;
}

.nav.is-scrolled {
  background-color: rgba(240, 230, 207, 0.90);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  box-shadow: 0 1px 0 rgba(35,24,16,0.07);
}

.nav.is-hidden { transform: translateY(-100%); }

.nav.is-dark {
  background-color: rgba(28, 17, 8, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 rgba(240,230,207,0.06);
}

/* ── NAV INNER ──────────────────────────────────────────── */
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px-mobile);
}
@media (min-width: 768px)  { .nav__inner { padding: 0 var(--px-tablet); } }
@media (min-width: 1280px) { .nav__inner { padding: 0 var(--px-desktop); } }

/* ── LOGO ───────────────────────────────────────────────── */
.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-tight);
  transition: color var(--dur-normal) var(--ease-out), opacity var(--dur-normal) var(--ease-out);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.nav__logo:hover { opacity: 0.75; }
.nav__logo-dot   { color: var(--sienna); }

.nav.is-scrolled .nav__logo { color: var(--text-primary); }
.nav.is-dark     .nav__logo { color: var(--text-on-dark); }

/* ── NAV LINKS (desktop) ─────────────────────────────────── */
.nav__links {
  display: none;
  align-items: center;
  gap: var(--sp-8);
  list-style: none;
}
@media (min-width: 1024px) { .nav__links { display: flex; } }

.nav__link {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  color: rgba(240, 230, 207, 0.75);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--dur-normal) var(--ease-out);
  white-space: nowrap;
}

/* Underline tumbuh dari tengah ke luar */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 1px;
  background-color: var(--amber-light);
  transition: left var(--dur-normal) var(--ease-out), right var(--dur-normal) var(--ease-out);
}
.nav__link:hover        { color: var(--bg-parchment); }
.nav__link:hover::after { left: 0; right: 0; }

.nav.is-scrolled .nav__link        { color: var(--text-secondary); }
.nav.is-scrolled .nav__link:hover  { color: var(--text-primary); }
.nav.is-scrolled .nav__link::after { background-color: var(--sienna); }

.nav__link.is-active        { color: var(--amber-light); }
.nav__link.is-active::after { left: 0; right: 0; background-color: var(--amber-light); }
.nav.is-scrolled .nav__link.is-active        { color: var(--sienna); }
.nav.is-scrolled .nav__link.is-active::after { background-color: var(--sienna); }

/* ── HAMBURGER ──────────────────────────────────────────── */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
}
@media (min-width: 1024px) { .nav__hamburger { display: none; } }

.nav__ham-line {
  width: 22px; height: 1.5px;
  background-color: rgba(240,230,207,0.80);
  border-radius: 2px;
  transition:
    transform var(--dur-normal) var(--ease-out),
    opacity   var(--dur-normal) var(--ease-out),
    background-color var(--dur-normal) var(--ease-out);
}
.nav.is-scrolled .nav__ham-line { background-color: var(--ink); }

.nav__hamburger.is-open .nav__ham-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.is-open .nav__ham-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.is-open .nav__ham-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE DRAWER ──────────────────────────────────────── */
.nav__drawer {
  position: fixed;
  inset: 0;
  background-color: var(--bg-parchment);
  z-index: calc(var(--z-nav) + 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-6);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-16px);
  transition:
    opacity   var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
}
.nav__drawer.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }

.nav__drawer-close {
  position: absolute;
  top: var(--sp-6); right: var(--sp-6);
  width: 44px; height: 44px;
  border-radius: var(--r-full);
  border: 1px solid var(--mist);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--dur-fast) var(--ease-out);
}
.nav__drawer-close:hover { background-color: var(--bg-parchment); color: var(--ink); border-color: var(--ink); }

.nav__drawer-link {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
  font-weight: 400;
  color: var(--text-primary);
  transition: color var(--dur-normal) var(--ease-out);
  text-align: center;
}
.nav__drawer-link:hover { color: var(--sienna); }

.nav__drawer-divider {
  width: 40px; height: 1px;
  background-color: var(--mist);
  margin: var(--sp-2) 0;
}

/* ── BACK TO TOP ────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--sp-6); right: var(--sp-6);
  z-index: calc(var(--z-nav) - 1);
  width: 44px; height: 44px;
  border-radius: var(--r-full);
  background-color: var(--sienna);
  color: white;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transform: translateY(16px) scale(0.8);
  pointer-events: none;
  transition:
    opacity var(--dur-normal) var(--ease-out),
    transform var(--dur-normal) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.back-to-top:hover { background-color: var(--clay); box-shadow: 0 6px 20px rgba(140,74,47,0.3); transform: translateY(-3px) scale(1.05); }

@media (max-width: 767px) { .back-to-top { display: none; } }

/* ── BOTTOM NAV (mobile pill) ───────────────────────────── */
.bottom-nav {
  position: fixed;
  bottom: var(--sp-4);
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  background-color: rgba(28, 17, 8, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--r-full);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid rgba(240,230,207,0.08);
  transition: transform var(--dur-slow) var(--ease-out);
}
.bottom-nav.is-visible { transform: translateX(-50%) translateY(0); }
@media (min-width: 768px) { .bottom-nav { display: none; } }

.bottom-nav__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-full);
  color: rgba(240,230,207,0.40);
  transition: color var(--dur-normal) var(--ease-out), background-color var(--dur-normal) var(--ease-out);
  min-width: 44px;
}
.bottom-nav__btn.is-active,
.bottom-nav__btn:hover {
  color: var(--text-on-dark);
  background-color: rgba(140,74,47,0.30);
}

.bottom-nav__label {
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
}