/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%; /* For parallax */
  background: url('https://images.unsplash.com/photo-1542601906990-b4d3fb778b09?auto=format&fit=crop&q=80&w=1920') center/cover no-repeat;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 30, 92, 0.9), rgba(26, 86, 196, 0.7));
  z-index: 2;
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: #FFFFFF;
  max-width: 800px;
  padding: var(--space-md);
  margin-top: var(--nav-height);
}

.hero h1 {
  margin-bottom: var(--space-md);
  font-size: clamp(3rem, 6vw, 4.5rem);
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Stats Section */
.stats {
  background-color: var(--color-card-bg);
  padding: var(--space-xl) 0;
  position: relative;
  z-index: 20;
  margin-top: -50px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.05);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item h3 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  font-weight: 800;
}

.stat-item p {
  font-weight: 600;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

/* Mission Section */
.mission {
  background-color: var(--color-bg);
  overflow: hidden;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxl);
  align-items: center;
}

.mission-content h2 {
  position: relative;
  display: inline-block;
}

.mission-content h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-cta);
  transition: width 1s ease;
}

.mission-content.is-visible h2::after {
  width: 60px;
}

.mission-image-wrapper {
  position: relative;
  padding: var(--space-lg);
}

.mission-image {
  border-radius: var(--radius-md);
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
}

.mission-frame {
  position: absolute;
  top: 0;
  right: 0;
  bottom: var(--space-lg);
  left: var(--space-xxl);
  border: 2px solid var(--color-cta);
  border-radius: var(--radius-md);
  z-index: 1;
}

/* Causes Section */
.causes {
  background-color: var(--color-card-bg);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-xxl);
}

.causes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.cause-card {
  display: flex;
  flex-direction: column;
}

.cause-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(61, 189, 228, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.cause-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--color-primary);
}

.cause-card h3 {
  margin-bottom: var(--space-sm);
}

.progress-container {
  margin-top: auto;
  padding-top: var(--space-md);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: rgba(0,0,0,0.05);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--color-success);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.5s ease-out;
}

.cause-card:nth-child(2) .progress-fill { background-color: var(--color-primary); }
.cause-card:nth-child(3) .progress-fill { background-color: var(--color-cta); }

.cause-card.is-visible .progress-fill {
  width: var(--progress);
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* Testimonials */
.testimonials {
  background-color: var(--color-bg);
  text-align: center;
}

.testimonial-carousel {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  min-height: 250px;
}

.testimonial-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.testimonial-slide.active {
  opacity: 1;
  pointer-events: auto;
  position: relative;
}

.quote-mark {
  font-family: var(--font-accent);
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: -20px;
}

.testimonial-text {
  font-family: var(--font-accent);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--color-dark);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.author-info {
  text-align: left;
}

.author-info h4 {
  margin: 0;
  font-size: 1rem;
}

.author-info p {
  margin: 0;
  font-size: 0.85rem;
}

.stars {
  color: var(--color-cta);
  margin-bottom: 5px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space-lg);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(26, 86, 196, 0.2);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dot.active {
  background-color: var(--color-secondary);
  transform: scale(1.2);
}

/* Marquee */
.partners {
  padding: var(--space-xl) 0;
  background-color: var(--color-card-bg);
  border-top: 1px solid rgba(0,0,0,0.05);
  overflow: hidden;
}

.marquee {
  display: flex;
  width: max-content;
  animation: marquee 20s linear infinite;
}

.marquee:hover {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  gap: 4rem;
  padding-right: 4rem;
  align-items: center;
}

.partner-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  white-space: nowrap;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.partner-logo:hover {
  opacity: 1;
  color: var(--color-dark);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Newsletter */
.newsletter {
  background-color: var(--color-success);
  color: #FFFFFF;
  text-align: center;
}

.newsletter h2 {
  color: #FFFFFF;
}

.newsletter p {
  color: rgba(255, 255, 255, 0.9);
}

.newsletter-form {
  max-width: 500px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}

.newsletter-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-full);
  border: none;
  font-family: var(--font-body);
}

/* SVG Dividers */
.wave-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.wave-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 50px;
}

.wave-divider .shape-fill {
  fill: var(--color-card-bg);
}

/* Responsive */
@media (max-width: 1024px) {
  .mission-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .causes-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
  }
  
  .newsletter-form .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
}