:root {
  --navy-bright: #132c5c;
  --navy-deep: #0f1f45;
  --navy-gradient: linear-gradient(135deg, #132c5c 0%, #0f1f45 50%, #1b3c78 100%);
  --gold-main: #d4af37;
  --gold-soft: #f1d37a;
  --white-soft: #f8fafc;
  --text-light: #e2e8f0;
}

/* ============================= */
/* NAVBAR BASE */
/* ============================= */

.navbar-custom {
  background: var(--navy-gradient);
  padding: 18px 0;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

/* Animated subtle gradient */
.navbar-custom {
  background-size: 200% 200%;
  animation: navyShift 8s ease infinite;
}

@keyframes navyShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.navbar-custom.scrolled {
  padding: 14px 0;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.45);
}

/* ============================= */
/* BRAND */
/* ============================= */

.navbar-logo {
  height: 46px;
  margin-right: 14px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

.brand-title {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
  text-transform: none;
  color: #ffc400; /* classic gold premium */
}

.btn-ppdb i,
.btn-login i {
  font-size: 14px;
  transition: transform 0.3s ease;
}

.btn-ppdb:hover i,
.btn-login:hover i {
  transform: translateX(3px);
}

.brand-subtitle {
  font-size: 11px;
  letter-spacing: 1px;
  color: rgb(255, 255, 255);
}

/* ============================= */
/* NAV LINKS */
/* ============================= */

.navbar-custom .nav-link {
  color: var(--white-soft);
  font-weight: 500;
  font-size: 15px;
  margin: 0 10px;
  padding: 6px 0;
  position: relative;
  transition: all 0.3s ease;
}
.navbar-collapse {
  justify-content: flex-end;
}
.nav-actions {
  margin-left: 25px;
  display: flex;
  align-items: center;
}

.navbar-custom .nav-link:hover {
  color: var(--gold-soft);
  transform: translateY(-2px);
}

/* elegant underline */
.navbar-custom .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gold-main);
  transition: width 0.3s ease;
}

.navbar-custom .nav-link:hover::after {
  width: 70%;
}

/* ============================= */
/* DROPDOWN */
/* ============================= */

.dropdown-custom {
  border-radius: 14px;
  border: none;
  padding: 10px 0;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
  animation: fadeDown 0.3s ease;
}

@keyframes fadeDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-custom .dropdown-item {
  font-size: 14px;
  padding: 10px 20px;
  transition: all 0.25s ease;
}

.dropdown-custom .dropdown-item:hover {
  background: #f9fafb;
  color: var(--navy-bright);
}

/* ============================= */
/* GOLD BUTTONS */
/* ============================= */

.btn-ppdb,
.btn-login {
  background: linear-gradient(135deg, #d4af37, #f1d37a);
  color: #1a1a1a;
  padding: 9px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
  transition: all 0.3s ease;
  border: none;
}
.navbar-nav .dropdown > .nav-link {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1px;
}

.btn-ppdb:hover,
.btn-login:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(212, 175, 55, 0.6);
  color: #000000;
}

/* ============================= */
/* TOGGLER */
/* ============================= */

.custom-toggler {
  border: none;
}

.custom-toggler span {
  display: block;
  width: 28px;
  height: 2px;
  background: #ffffff;
  margin: 6px 0;
  transition: 0.3s;
}

/* ============================= */
/* MOBILE */
/* ============================= */

@media (max-width: 991px) {
  .navbar-custom {
    padding: 16px 0;
  }

  .navbar-custom .nav-link {
    margin: 10px 0;
  }

  .nav-actions {
    margin-top: 22px;
  }

  .btn-ppdb,
  .btn-login {
    width: 100%;
    text-align: center;
  }

  .dropdown-custom {
    box-shadow: none;
  }
}
/* ============================= */
/* BUTTON CLICK ANIMATION */
/* ============================= */

.btn-ppdb,
.btn-login {
  position: relative;
  overflow: hidden;
}

/* press effect */
.btn-ppdb:active,
.btn-login:active {
  transform: scale(0.96);
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.4);
}

/* shimmer sweep */
.btn-ppdb::before,
.btn-login::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.2));
  transform: skewX(-25deg);
}

.btn-ppdb:hover::before,
.btn-login:hover::before {
  animation: shimmer 0.9s ease;
}

@keyframes shimmer {
  100% {
    left: 125%;
  }
}
/* ============================= */
/* HAMBURGER MORPH */
/* ============================= */

/* ============================= */
/* HAMBURGER ULTRA SMOOTH */
/* ============================= */

.custom-toggler {
  border: none;
  padding: 6px;
}

.custom-toggler span {
  display: block;
  width: 28px;
  height: 2px;
  background: #ffffff;
  margin: 6px 0;
  border-radius: 3px;
  transition:
    transform 0.35s cubic-bezier(0.68, -0.55, 0.27, 1.55),
    opacity 0.25s ease;
}

/* Morph animation */
.custom-toggler.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.custom-toggler.active span:nth-child(2) {
  opacity: 0;
}

.custom-toggler.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
#mainNavbar {
  transition: height 0.35s ease-in-out;
}

/* ultra */
.navbar-custom .container {
  max-width: 1400px; /* lebih lebar */
  width: 100%;
  display: flex;
  align-items: center;
}

.navbar-brand {
  display: flex;
  align-items: center;
  max-width: 420px; /* batasi lebar brand */
  overflow: hidden;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.brand-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 991px) {
  .navbar-logo {
    height: 38px;
  }

  .brand-title {
    font-size: 14px;
  }

  .brand-subtitle {
    font-size: 10px;
  }

  .navbar-brand {
    max-width: 80%;
  }

  .custom-toggler {
    margin-left: auto;
  }
  /* ============================= */
  /* LANGUAGE SWITCHER PREMIUM */
  /* ============================= */

  .nav-language .lang-toggle {
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
  }

  .nav-language .lang-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--gold-main);
    color: var(--gold-soft);
  }

  /* dropdown style */
  .lang-dropdown {
    border-radius: 12px;
    padding: 8px 0;
    min-width: 180px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
    border: none;
  }

  .lang-dropdown .dropdown-item {
    font-size: 14px;
    padding: 10px 18px;
    transition: all 0.25s ease;
  }

  .lang-dropdown .dropdown-item:hover {
    background: #f9fafb;
    color: var(--navy-bright);
  }
}