:root {
  /* Color Palette */
  --primary-color: #00235a; /* Deep Navy Blue */
  --secondary-color: #ff5e14; /* Vibrant Orange/Coral */
  --secondary-color-hover: #e05312;
  --bg-color: #f8f9fa; /* Light Gray Background */
  --bg-color-dark: #111827;
  --text-main: #333333;
  --text-muted: #6b7280;
  --white: #ffffff;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout & Spacing */
  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

/* Reset & Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-color);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--secondary-color);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255, 94, 20, 0.3);
}

.btn-primary:hover {
  background-color: var(--secondary-color-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 94, 20, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background-color: var(--white);
  color: var(--primary-color);
  transform: translateY(-2px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-normal);
  padding: var(--spacing-sm) 0;
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 65px;
  transition: height var(--transition-normal);
}

.header.scrolled .logo img {
  height: 55px;
  content: url('../images/logo-png.png'); /* Switch to dark logo if initial is white */
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links li a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
  text-transform: uppercase;
  position: relative;
}

.header.scrolled .nav-links li a {
  color: var(--primary-color);
}

.nav-links li a:not(.btn)::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--secondary-color);
  transition: width var(--transition-normal);
}

.nav-links li a:not(.btn):hover::after, .nav-links li a:not(.btn).active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--white);
  cursor: pointer;
}

.header.scrolled .mobile-toggle {
  color: var(--primary-color);
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.footer-col:first-child {
  order: 4;
}

.footer-col p {
  color: #cbd5e1;
  margin-bottom: var(--spacing-sm);
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #cbd5e1;
  display: inline-block;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--secondary-color);
  transform: translateX(5px);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: var(--spacing-sm);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  font-size: 0.9rem;
}

/* Utilities */
.section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
}

.section-title p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* Animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* Hide on mobile initially, JS will toggle */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li a {
    color: var(--primary-color);
    font-size: 1.1rem;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
}

/* Donor Carousel styles handled by Swiper in style.css */
.donors-section {
  padding: var(--spacing-xl) 0;
  background: var(--bg-color);
  border-top: 1px solid #e2e8f0;
}

.swiper-container {
  width: 100%;
  padding-bottom: 40px; /* Space for pagination if needed */
}

.swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 120px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: grab;
}

.swiper-slide:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.swiper-slide img {
  max-width: 120px;
  max-height: 70px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all var(--transition-normal);
}

.swiper-slide:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* Page Header for Subpages */
.page-header {
  height: 250px;
  background-image: url('../images/bg.jpg'); /* Default background */
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-bottom: 0;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 35, 90, 0.7); /* Primary color overlay */
}

.page-header-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  padding-top: 80px; /* Offset for fixed header */
}

.page-header h1 {
  color: var(--white);
  font-size: 3.5rem;
  margin-bottom: 10px;
}

.breadcrumb {
  display: flex;
  gap: 10px;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 500;
}

.breadcrumb a {
  color: var(--secondary-color);
}

.breadcrumb a:hover {
  color: var(--white);
}

/* Sectors Section */
.bg-light {
  background-color: var(--white);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.sector-card {
  background: var(--bg-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  top: 0;
}

.sector-card:hover {
  top: -10px;
  box-shadow: var(--shadow-xl);
}

.sector-img {
  height: 200px;
  overflow: hidden;
}

.sector-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.sector-card:hover .sector-img img {
  transform: scale(1.1);
}

.sector-content {
  padding: var(--spacing-md);
}

.sector-content h4 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.sector-content p {
  color: var(--text-muted);
  margin-bottom: 15px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--secondary-color);
  font-weight: 600;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.read-more i {
  transition: transform var(--transition-fast);
}

.read-more:hover i {
  transform: translateX(5px);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-control {
  width: 100%;
  padding: 15px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary-color);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Projects Table */
.projects-table-container {
  width: 100%;
  overflow-x: auto;
  background: var(--bg-color);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  margin-top: 2rem;
}

.projects-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

.projects-table th,
.projects-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid #e2e8f0;
}

.projects-table th {
  background-color: var(--primary-color);
  color: white;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.projects-table tbody tr {
  transition: background-color var(--transition-fast);
}

.projects-table tbody tr:hover {
  background-color: #f8fafc;
}

.projects-table tbody tr:last-child td {
  border-bottom: none;
}

.projects-table td {
  font-size: 0.95rem;
  color: var(--text-main);
}

.projects-table td:nth-child(2) {
  font-weight: 500;
  color: var(--primary-color);
  max-width: 300px;
  line-height: 1.5;
}

.donor-badge {
  display: inline-block;
  padding: 4px 10px;
  background-color: #e0f2fe;
  color: #0369a1;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-badge.completed {
  background-color: #dcfce7;
  color: #166534;
}

.status-badge.ongoing {
  background-color: #fef9c3;
  color: #854d0e;
}