/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Lora:ital,wght@0,600;0,700;1,500&display=swap');

/* CSS Variables for design system */
:root {
  --color-primary: #1b5182;       /* Professional Blue (Akshaya Patra) */
  --color-accent-green: #13a34a;  /* Donate Button Green */
  --color-text-dark: #333333;     /* Main text */
  --color-text-muted: #555555;    /* Top bar & icon text */
  --color-border: #e0e0e0;        /* Borders and separators */
  --color-bg-light: #ffffff;      /* Header background */
  --color-topbar-bg: #ffffff;     /* Top utility bar background */
  
  --font-nav: 'Montserrat', sans-serif;
  --font-logo: 'Lora', serif;
  
  --transition-speed: 0.3s;
  --header-height-desktop: 110px;
}

/* Reset and base header styles */
.site-header {
  width: 100%;
  background-color: var(--color-bg-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1000;
  font-family: var(--font-nav);
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 30px;
}

/* ----------------------------------------------------
   1. TOP UTILITY BAR
---------------------------------------------------- */
.top-bar {
  border-bottom: 1px solid var(--color-border);
  padding: 8px 0;
  font-size: 13.5px;
}

.top-bar .header-container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-speed);
  font-weight: 500;
}

.top-bar-item i {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* Specific styling to match the screenshot */
.top-bar-item.tender-notice {
  color: var(--color-primary);
}

.top-bar-item.tender-notice i {
  color: var(--color-text-muted); /* Darker grey gavel icon */
}

.top-bar-item:hover {
  color: var(--color-primary);
}

/* Country Selector styling */
.country-select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.country-select {
  appearance: none;
  -webkit-appearance: none;
  background-color: #fff;
  border: 1px solid #c4c4c4;
  border-radius: 4px;
  padding: 4px 30px 4px 10px;
  font-size: 13.5px;
  color: var(--color-text-dark);
  cursor: pointer;
  font-family: var(--font-nav);
  outline: none;
  font-weight: 500;
  transition: border-color var(--transition-speed);
}

.country-select:focus,
.country-select:hover {
  border-color: var(--color-primary);
}

.country-select-wrapper::after {
  content: '\f078'; /* FontAwesome Chevron Down */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 10px;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-dark);
  pointer-events: none;
}


/* ----------------------------------------------------
   2. MAIN NAVIGATION BAR
---------------------------------------------------- */
.main-nav-bar {
  padding-top: 15px;
  padding-bottom: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo Styling */
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 60px;
  width: auto;
  max-width: 100%;
  display: block;
  transition: transform var(--transition-speed) ease;
}

.logo-link:hover .logo-img {
  transform: scale(1.02);
}

/* Nav Menu Styles */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 20px;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-dark);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  transition: color var(--transition-speed);
  padding: 8px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-speed);
}

.nav-link:hover {
  color: var(--color-primary);
}

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

/* Navigation Action Buttons */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 10px;
}

.btn-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-speed);
  border: none;
  cursor: pointer;
}

.btn-donate {
  background-color: var(--color-accent-green);
  color: #ffffff;
}

.btn-donate:hover {
  background-color: #0f863b;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(19, 163, 74, 0.3);
}

.btn-login {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-login:hover {
  background-color: #15416b;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(27, 81, 130, 0.3);
}


/* Hamburger button (hidden on desktop) */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-text-dark);
  border-radius: 3px;
  transition: all var(--transition-speed);
}


/* ----------------------------------------------------
   3. MOBILE NAV DRAWER (Hidden on desktop)
---------------------------------------------------- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background-color: #ffffff;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  z-index: 1005;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  padding: 30px 24px;
  box-sizing: border-box;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.drawer-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-dark);
  padding: 5px;
  transition: color var(--transition-speed);
}

.drawer-close-btn:hover {
  color: var(--color-primary);
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.mobile-nav-link {
  text-decoration: none;
  color: var(--color-text-dark);
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  display: block;
  padding: 8px 0;
  transition: color var(--transition-speed);
  border-bottom: 1px solid #f2f2f2;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.mobile-nav-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 35px;
}

.mobile-nav-actions .btn-header {
  width: 100%;
}

.mobile-drawer-divider {
  height: 1px;
  background-color: var(--color-border);
  margin-bottom: 25px;
}

/* Mobile top-bar utility items */
.mobile-utilities {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: auto;
}

.mobile-utility-item {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-speed);
}

.mobile-utility-item i {
  font-size: 16px;
  width: 20px;
}

.mobile-utility-item:hover {
  color: var(--color-primary);
}

.mobile-utility-item.tender-notice {
  color: var(--color-primary);
}

.mobile-utility-item.tender-notice i {
  color: var(--color-text-muted);
}

/* Overlay for drawer */
.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 1004;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

body.drawer-open {
  overflow: hidden;
}


/* ----------------------------------------------------
   4. RESPONSIVE BREAKPOINTS
---------------------------------------------------- */

/* Laptop / Large Tablet breakpoint: menu wrapping prevention */
@media (max-width: 1200px) {
  .nav-menu {
    gap: 12px;
  }
  .nav-link {
    font-size: 11px;
  }
  .btn-header {
    padding: 8px 16px;
    font-size: 12px;
  }
  .logo-img {
    height: 52px;
  }
}

/* Standard Tablet / Mobile View */
@media (max-width: 1024px) {
  /* Hide desktop top-bar */
  .top-bar {
    display: none;
  }
  
  /* Hide desktop nav menu & action buttons */
  .nav-menu,
  .nav-actions {
    display: none;
  }
  
  /* Show hamburger button */
  .hamburger {
    display: flex;
  }
  
  .main-nav-bar {
    padding-top: 12px;
    padding-bottom: 12px;
  }
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .logo-img {
    height: 44px;
  }
}