/* ============================================
   Te Pou Ataahua Charitable Trust - Design System
   Theme: Rising Hope & Community Wellness
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
  /* Color Palette - Sunrise Inspired */
  --color-sunrise-gold: #F5A623;
  --color-ocean-blue: #4A90E2;
  --color-deep-teal: #2C5F7C;
  --color-warm-coral: #FF6B6B;
  --color-soft-cream: #FFF8E7;
  --color-deep-charcoal: #2C3E50;
  --color-light-gray: #F5F7FA;
  --color-white: #FFFFFF;
  
  /* Gradient Overlays */
  --gradient-sunrise: linear-gradient(135deg, rgba(245, 166, 35, 0.9) 0%, rgba(255, 107, 107, 0.8) 100%);
  --gradient-ocean: linear-gradient(135deg, rgba(74, 144, 226, 0.9) 0%, rgba(44, 95, 124, 0.9) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(245, 166, 35, 0.85) 0%, rgba(74, 144, 226, 0.85) 100%);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Container Width */
  --container-max-width: 1200px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-deep-charcoal);
  background-color: var(--color-soft-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-deep-teal);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-deep-charcoal);
}

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

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

/* ============================================
   UTILITY BAR
   ============================================ */
.utility-bar {
  background: var(--gradient-ocean);
  color: var(--color-white);
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-sm);
}

.utility-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.utility-bar-left,
.utility-bar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.utility-bar a {
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity var(--transition-fast);
}

.utility-bar a:hover {
  opacity: 0.8;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.main-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

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

.logo-container img {
  height: 60px;
  width: auto;
}

.site-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-deep-teal);
  margin: 0;
}

.site-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-sunrise-gold);
  margin: 0;
}

/* Navigation */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.main-nav a {
  color: var(--color-deep-charcoal);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
  background-color: var(--color-soft-cream);
  color: var(--color-sunrise-gold);
}

.btn-donate {
  background: var(--gradient-sunrise);
  color: var(--color-white) !important;
  padding: var(--spacing-xs) var(--spacing-md) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.btn-donate:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-deep-teal);
  cursor: pointer;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-alt {
  background-color: var(--color-white);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
  background-color: var(--color-deep-teal);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
}

.btn-primary {
  background: var(--gradient-sunrise);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-ocean-blue);
  border-color: var(--color-white);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-ocean-blue);
  border-color: var(--color-ocean-blue);
}

.btn-outline:hover {
  background-color: var(--color-ocean-blue);
  color: var(--color-white);
}

/* ============================================
   CARDS
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

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

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

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

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

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-deep-teal);
}

.card-text {
  color: var(--color-deep-charcoal);
  margin-bottom: var(--spacing-md);
}

.card-icon {
  font-size: var(--font-size-3xl);
  color: var(--color-sunrise-gold);
  margin-bottom: var(--spacing-sm);
}

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

.stat-card {
  background: var(--gradient-sunrise);
  color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-lg);
  opacity: 0.9;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonial {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-sunrise-gold);
  margin-bottom: var(--spacing-lg);
}

.testimonial-text {
  font-size: var(--font-size-lg);
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--color-deep-charcoal);
}

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

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-deep-teal);
}

.testimonial-role {
  font-size: var(--font-size-sm);
  color: var(--color-sunrise-gold);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-deep-charcoal);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-ocean-blue);
}

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

/* ============================================
   GALLERY
   ============================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  aspect-ratio: 1;
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gradient-sunrise);
  color: var(--color-white);
  padding: var(--spacing-sm);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
  background: var(--gradient-ocean);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xs);
}

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

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

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

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

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

.social-link:hover {
  background-color: var(--color-sunrise-gold);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-sm);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  color: var(--color-deep-teal);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-sunrise-gold);
  font-weight: 500;
}

.section-description {
  max-width: 700px;
  margin: var(--spacing-md) auto 0;
  font-size: var(--font-size-lg);
  color: var(--color-deep-charcoal);
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-sunrise-gold);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  flex: 1;
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 0 var(--spacing-lg);
}

.timeline-marker {
  width: 20px;
  height: 20px;
  background-color: var(--color-sunrise-gold);
  border-radius: var(--radius-full);
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

/* ============================================
   ALERT BOXES
   ============================================ */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-info {
  background-color: #E3F2FD;
  border-color: var(--color-ocean-blue);
  color: #1565C0;
}

.alert-success {
  background-color: #E8F5E9;
  border-color: #4CAF50;
  color: #2E7D32;
}

.alert-warning {
  background-color: #FFF3E0;
  border-color: var(--color-sunrise-gold);
  color: #E65100;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
  }
  
  .main-nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
  }
  
  .main-nav.active ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero {
    min-height: 400px;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
  }
  
  .timeline-content {
    margin-left: var(--spacing-xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-ocean-blue);
  outline-offset: 2px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
  text-align: center;
}

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

.text-right {
  text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.color-sunrise { color: var(--color-sunrise-gold); }
.color-ocean { color: var(--color-ocean-blue); }
.color-teal { color: var(--color-deep-teal); }
.color-coral { color: var(--color-warm-coral); }