/* Base Styles */
:root {
  --primary-color: #1a365d;
  --secondary-color: #718096;
  --accent-color: #e53e3e;
  --light-color: #f7fafc;
  --dark-color: #2d3748;
  --background-color: #ffffff;
  --text-color: #2d3748;
  --border-color: #e2e8f0;

  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;
  
  --border-radius: 4px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--accent-color);
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Buttons */
.primary-btn, .secondary-btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.primary-btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
}

.primary-btn:hover {
  background-color: #0f2942;
  color: white;
  transform: translateY(-2px);
}

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

.secondary-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Section Styles */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  font-size: 2rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--accent-color);
  margin: var(--spacing-sm) auto;
}

.subsection-title {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

/* Header */
header {
  background-color: white;
  box-shadow: var(--box-shadow);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  padding: var(--spacing-sm) 0;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  width: 60px;
  height: auto;
}

.logo-text h1 {
  font-size: 1.2rem;
  margin-bottom: 0;
}

.tagline {
  font-size: 0.8rem;
  color: var(--secondary-color);
  margin-bottom: 0;
}

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

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

nav a {
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.contact-btn {
  background-color: var(--accent-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
}

.contact-btn:hover {
  background-color: #c53030;
  color: white;
}

/* Hero Section */
#hero {
  height: 80vh;
  min-height: 600px;
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.pexels.com/photos/3184418/pexels-photo-3184418.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1');
  background-size: cover;
  background-position: center;
  color: white;
  display: flex;
  align-items: center;
  margin-top: 76px;
}

.hero-content {
  max-width: 700px;
}

.hero-content h2 {
  font-size: 2.5rem;
  color: white;
  margin-bottom: var(--spacing-md);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* Mission Section */
.mission-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.mission-text p {
  margin-bottom: var(--spacing-md);
}

.mission-values {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.value-item {
  background-color: var(--light-color);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.value-item:hover {
  transform: translateY(-5px);
}

.value-item i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

/* Activities Section */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.activity-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.activity-card:hover {
  transform: translateY(-5px);
}

.activity-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.activity-card h3 {
  padding: var(--spacing-sm) var(--spacing-sm) 0;
}

.activity-card p {
  padding: 0 var(--spacing-sm) var(--spacing-sm);
}

/* Impact Section */
#impact {
  background-color: var(--light-color);
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  background-color: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.stat-item h3 {
  font-size: 2.5rem;
  color: var(--accent-color);
  margin-bottom: var(--spacing-xs);
}

.testimonials {
  margin-bottom: var(--spacing-xl);
}

.testimonial-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.testimonial {
  background-color: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  position: relative;
}

.testimonial::before {
  content: '\201C';
  font-size: 4rem;
  position: absolute;
  top: -20px;
  left: 10px;
  color: var(--border-color);
  font-family: serif;
}

.testimonial-author {
  font-style: italic;
  color: var(--secondary-color);
  text-align: right;
}

.annual-report {
  text-align: center;
}

/* Donate Section */
.donate-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.donate-options {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.donate-levels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.donate-level {
  background-color: var(--light-color);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--box-shadow);
}

.donate-level h3 {
  font-size: 1.8rem;
  color: var(--accent-color);
}

/* Partners Section */
.partners-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.partner-logo {
  height: 100px;
  background-color: var(--light-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-sm);
}

.partner-logo span {
  font-weight: 600;
  color: var(--secondary-color);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.contact-form {
  background-color: var(--light-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Newsletter Section */
#newsletter {
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  padding: var(--spacing-lg) 0;
}

#newsletter h2 {
  color: white;
}

.newsletter-form {
  display: flex;
  max-width: 600px;
  margin: var(--spacing-md) auto 0;
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm);
  border: none;
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  font-family: inherit;
}

.newsletter-form .primary-btn {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo-img {
  width: 50px;
  margin-bottom: var(--spacing-sm);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--light-color);
}

.footer-links a:hover {
  color: white;
  text-decoration: underline;
}

.social-icons {
  display: flex;
  gap: var(--spacing-sm);
}

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

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

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

/* Responsive Styles */
@media (max-width: 992px) {
  .mission-content,
  .testimonial-container,
  .donate-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  nav ul {
    gap: var(--spacing-sm);
  }
  
  nav a {
    font-size: 0.8rem;
  }
  
  .logo-text h1 {
    font-size: 1rem;
  }
  
  .hero-content h2 {
    font-size: 1.8rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .donate-levels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  header .container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  #hero {
    margin-top: 126px;
  }
  
  .newsletter-form {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .newsletter-form input,
  .newsletter-form .primary-btn {
    border-radius: var(--border-radius);
  }
}