/* =============================
   HEADER & NAVIGATION
============================= */
header {
  height: 80px;
  position: fixed;
  width: 100%;
  background: transparent;
  display: flex;
  transition: all 0.6s ease;
  z-index: 1000;
}

header.scrolled {
  height: 55px;
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transform: translateY(0);
  opacity: 1;
}

/* =============================
   LOGO
============================= */
.logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-right: 25px;
}

.logo img {
  height: 80px;
  transition: all 0.6s ease, opacity 0.6s ease;
}

/* Mengecil saat scroll */
header.scrolled .logo img {
  height: 40px;
}

/* Efek fade agar pergantian logo halus */
.logo img.fade-out {
  opacity: 0;
}

/* =============================
   NAVIGATION LINKS
============================= */
.nav-right {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-left: auto;
}

.nav-right a {
  color: #fff;
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  padding-bottom: 4px;
  transition: color 0.4s ease;
}

/* Warna saat di-scroll */
header.scrolled .nav-right a {
  color: #1d56a7;
}

/* Underline efek */
.nav-right a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: #fff;
  transition: width 0.6s ease, background-color 0.6s ease;
}

.nav-right a:hover::after {
  width: 100%;
}

/* Saat header di-scroll, garis berubah warna */
header.scrolled .nav-right a::after {
  background-color: #1d56a7;
}

/* Aktif link */
.nav-right a.active {
  font-weight: bold;
}

.nav-right a.active::after {
  width: 100%;
}

/* =============================
   LOGIN BUTTON
============================= */
.login-btn {
  margin-left: 20px;
  margin-bottom: 5px;
}

.login-btn a {
  color: #fff;
  padding: 8px 18px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 12px;
  transition: all 0.3s ease;
}

.login-btn a:hover {
  background-color: #16457f;
}

/* Jika header di-scroll */
header.scrolled .login-btn a {
  color: #1d56a7;
}

header.scrolled .login-btn a:hover {
  background-color: #e7e7e7;
}

/* =============================
   HEADER RESPONSIVE STYLES
   Tambahkan ke file style.css Anda
============================= */

/* ===== BASIC HEADER STYLES ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  transition: all 0.3s ease;
}

/* Logo Styles */
.logo a {
  display: block;
  line-height: 0;
}

#logo-img {
  height: 60px;
  transition: all 0.3s ease;
  display: block;
}

header.scrolled #logo-img {
  height: 40px;
}

/* Desktop Navigation */
.nav-right {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-right a {
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  padding: 8px 0;
  transition: all 0.3s ease;
}

.nav-right a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: #fff;
  transition: width 0.3s ease;
}

.nav-right a:hover::after,
.nav-right a.active::after {
  width: 100%;
}

header.scrolled .nav-right a {
  color: #1d56a7;
}

header.scrolled .nav-right a::after {
  background-color: #1d56a7;
}

/* =============================
   RESPONSIVE BREAKPOINTS
============================= */

/* Tablet - 1024px */
@media (max-width: 1024px) {
  header .container {
    padding: 15px 30px;
  }

  .nav-right {
    gap: 25px;
  }

  .nav-right a {
    font-size: 12px;
  }

  #logo-img {
    height: 55px;
  }

  header.scrolled #logo-img {
    height: 38px;
  }
}

/* Tablet/Mobile - 768px */
@media (max-width: 768px) {
  header .container {
    padding: 12px 20px;
  }

  #logo-img {
    height: 50px;
  }

  header.scrolled #logo-img {
    height: 35px;
  }

  /* Hide desktop navigation */
  .nav-right {
    display: none !important;
  }
}

/* Mobile - 480px */
@media (max-width: 480px) {
  header .container {
    padding: 10px 15px;
  }

  #logo-img {
    height: 45px;
  }

  header.scrolled #logo-img {
    height: 30px;
  }
}

/* Extra Small Mobile - 360px */
@media (max-width: 360px) {
  header .container {
    padding: 8px 12px;
  }

  #logo-img {
    height: 40px;
  }

  header.scrolled #logo-img {
    height: 28px;
  }
}

/* =============================
   MOBILE MENU ENHANCEMENTS
============================= */

/* Smooth scrollbar for mobile menu */
.nav-mobile::-webkit-scrollbar {
  width: 6px;
}

.nav-mobile::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.nav-mobile::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 10px;
}

.nav-mobile::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* =============================
   ACCESSIBILITY IMPROVEMENTS
============================= */

/* Focus styles for keyboard navigation */
.nav-right a:focus,
.nav-mobile a:focus,
.mobile-menu-toggle:focus,
.nav-mobile-close:focus {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

header.scrolled .nav-right a:focus,
header.scrolled .mobile-menu-toggle:focus {
  outline-color: #1d56a7;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =============================
   PRINT STYLES
============================= */
@media print {
  header {
    position: static;
  }

  .mobile-menu-toggle,
  .nav-mobile,
  .nav-mobile-overlay {
    display: none !important;
  }

  .nav-right {
    display: none !important;
  }
}

/* =============================
   HIGH CONTRAST MODE
============================= */
@media (prefers-contrast: high) {
  .nav-right a,
  .nav-mobile a {
    font-weight: 700;
  }

  .nav-right a::after {
    height: 3px;
  }
}

/* =============================
   LANDSCAPE ORIENTATION
============================= */
@media (max-height: 500px) and (orientation: landscape) {
  .nav-mobile {
    padding: 60px 20px 20px;
  }

  .nav-mobile a {
    padding: 10px 15px;
    font-size: 14px;
  }

  .nav-mobile-close {
    top: 10px;
    right: 10px;
    width: 35px;
    height: 35px;
    font-size: 20px;
  }
}

/* =============================
   DARK MODE SUPPORT (OPTIONAL)
============================= */
@media (prefers-color-scheme: dark) {
  /* Jika Anda ingin support dark mode, 
     tambahkan styles di sini */
}

/* =============================
   ANIMATION HELPERS
============================= */

/* Fade animation class */
.fade-in {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide animation class */
.slide-in-right {
  animation: slideInRight 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

/* =============================
   UTILITY CLASSES
============================= */

/* Prevent scrolling when menu is open */
body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

/* Safe area for notched devices (iPhone X, etc) */
@supports (padding: max(0px)) {
  header .container {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
}

/* =============================
   LOADING STATE (OPTIONAL)
============================= */
.header-loading {
  pointer-events: none;
  opacity: 0.7;
}

.header-loading * {
  cursor: wait !important;
}

/* =============================
   FIX ACTIVE NAVIGATION STATE
   Tambahkan/replace di header.css atau style.css
============================= */

/* ===== DESKTOP NAVIGATION ===== */
.nav-right a {
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  padding: 8px 0;
  transition: all 0.3s ease;
}

/* Default underline (hidden) */
.nav-right a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background-color: #fff;
  transition: width 0.3s ease;
}

/* Hover effect */
.nav-right a:hover::after {
  width: 100%;
}

/* ACTIVE state - Show underline */
.nav-right a.active {
  font-weight: 700;
}

.nav-right a.active::after {
  width: 100%;
  background-color: #fff;
}

/* Scrolled header styles */
header.scrolled .nav-right a {
  color: #1d56a7;
}

header.scrolled .nav-right a::after {
  background-color: #1d56a7;
}

header.scrolled .nav-right a.active::after {
  background-color: #1d56a7;
}

/* ===== MOBILE NAVIGATION ===== */
.nav-mobile a {
  display: block;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  padding: 15px 20px;
  margin-bottom: 5px;
  border-radius: 10px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

/* Mobile hover effect */
.nav-mobile a:hover {
  background: rgba(255, 255, 255, 0.15);
  border-left-color: #fff;
  transform: translateX(5px);
}

/* Mobile ACTIVE state */
.nav-mobile a.active {
  background: rgba(255, 255, 255, 0.2);
  border-left-color: #fff;
  font-weight: 700;
  transform: translateX(5px);
}

/* ===== CATALOG LINK SPECIAL STYLE ===== */
.nav-mobile .catalog-link {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-mobile .catalog-link a {
  background: rgba(255, 255, 255, 0.1);
  text-align: center;
  font-weight: 700;
}

.nav-mobile .catalog-link a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(0) scale(1.05);
}

.nav-mobile .catalog-link a.active {
  background: rgba(255, 255, 255, 0.25);
  border-left-color: transparent;
  transform: translateX(0) scale(1.05);
}

/* ===== ENSURE NO DEFAULT ACTIVE ===== */
/* Remove any default active state on page load */
.nav-right a:not(.active)::after,
.nav-mobile a:not(.active) {
  /* Reset styles for non-active links */
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 768px) {
  .nav-mobile a {
    font-size: 15px;
    padding: 14px 18px;
  }

  .nav-mobile a.active {
    border-left-width: 4px;
  }
}

@media (max-width: 480px) {
  .nav-mobile a {
    font-size: 14px;
    padding: 12px 16px;
  }
}

/* ===== DEBUG MODE (OPTIONAL) ===== */
/* Uncomment untuk melihat active state dengan warna berbeda */
/*
.nav-right a.active {
  background: rgba(255, 0, 0, 0.2);
}

.nav-mobile a.active {
  background: rgba(255, 0, 0, 0.3) !important;
  border: 2px solid red;
}
*/

/* ===== ACCESSIBILITY ===== */
/* Ensure active state is visible for keyboard navigation */
.nav-right a:focus,
.nav-mobile a:focus {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.nav-right a.active:focus,
.nav-mobile a.active:focus {
  outline-color: #ffeb3b;
}

/* ===== SMOOTH TRANSITIONS ===== */
.nav-right a,
.nav-mobile a {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-right a::after {
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== PRINT STYLES ===== */
@media print {
  .nav-right a.active,
  .nav-mobile a.active {
    font-weight: 700;
    text-decoration: underline;
  }
}