/* ============================================
   E-FIKISHE - Eden.so inspired design
   Clean, minimal, accessible, fast
   ============================================ */

:root {
  /* Green-based colorful palette */
  --green-primary: #064E3B;
  --green-dark: #022C1F;
  --green-light: #0A6B52;
  --green-bright: #10B981;
  --green-pale: #D1FAE5;
  --green-accent: #059669;
  
  /* Dull/cream whites instead of pure white */
  --bg-primary: #FEFCF9;
  --bg-secondary: #F9F7F4;
  --bg-tertiary: #F5F3F0;
  --bg-dark: var(--green-primary);
  --text-primary: #1A1A1A;
  --text-secondary: #4B5563;
  --text-light: #FEFCF9;
  --text-on-green: #E6F9EF;
  
  /* Accent colors */
  --accent: #FF6B35;
  --accent-hover: #FF8C5A;
  --gold: #F59E0B;
  --teal: #14B8A6;
  --orange: #FF6B35;
  --purple: #8B5CF6;
  
  /* Borders - softer */
  --border: #E8E6E3;
  --border-light: rgba(6,78,59,0.08);
  --border-green: rgba(6,78,59,0.15);
  
  /* Spacing - 8px scale system */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --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: 2rem;
  --font-size-4xl: clamp(2.5rem, 5vw, 4rem);
  --font-size-hero: clamp(3rem, 8vw, 6rem);
  
  /* Layout */
  --container: 1200px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4,0,0.2,1);
  --transition-base: 250ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 350ms cubic-bezier(0.4,0,0.2,1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
video,
iframe,
svg {
  max-width: 100%;
  height: auto;
}

video {
  width: 100%;
  height: auto;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(6,78,59,0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(16,185,129,0.02) 0%, transparent 50%);
  background-attachment: fixed;
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }
}

/* ============================================
   ACCESSIBILITY - Esafari.com inspired
   ============================================ */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: var(--text-light);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 10000;
  border-radius: 0 0 4px 0;
}

.skip-link:focus {
  top: 0;
}

.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;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --text-secondary: #000000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
}

/* ============================================
   HEADER - Green theme with scroll transition
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--green-primary);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(230,249,239,0.1);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(254,252,249,0.95);
  box-shadow: 0 2px 8px rgba(6,78,59,0.08);
  border-bottom: 1px solid var(--border-green);
}

.site-header.scrolled .brand {
  color: var(--green-primary);
}

.site-header.scrolled .nav-link {
  color: rgba(6,78,59,0.7);
}

.site-header.scrolled .nav-link:hover,
.site-header.scrolled .nav-link:focus {
  color: var(--green-primary);
  background: var(--green-pale);
}

.site-header.scrolled .nav-link.active {
  color: var(--green-primary);
}

.site-header.scrolled .header-actions .btn-ghost {
  border-color: var(--border-green);
  color: rgba(6,78,59,0.7);
}

.site-header.scrolled .header-actions .btn-primary {
  background: var(--green-primary);
  color: var(--text-light);
}

.site-header.scrolled .header-actions .btn-primary:hover {
  background: var(--green-light);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 16px 0;
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-on-green);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.brand:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.site-header.scrolled .brand {
  color: var(--green-primary);
}

.brand-logo {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Navigation - Eden.so style: centered, minimal */
.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: rgba(230,249,239,0.9);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--text-on-green);
  background: rgba(230,249,239,0.15);
}

.nav-link.active {
  color: var(--text-on-green);
  font-weight: 500;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--green-bright);
  border-radius: 50%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  white-space: nowrap;
}

.header-actions .btn {
  font-size: 13px;
  padding: 8px 16px;
}

.header-actions .btn-ghost {
  border: 1px solid rgba(230,249,239,0.3);
  color: var(--text-on-green);
  background: rgba(230,249,239,0.1);
}

.header-actions .btn-ghost:hover {
  background: rgba(230,249,239,0.2);
  color: var(--text-on-green);
  border-color: rgba(230,249,239,0.5);
}

.site-header.scrolled .header-actions .btn-ghost {
  border-color: var(--border-green);
  color: rgba(6,78,59,0.7);
  background: transparent;
}

.site-header.scrolled .header-actions .btn-ghost:hover {
  background: var(--green-pale);
  color: var(--green-primary);
  border-color: var(--green-accent);
}

.header-actions .btn-primary {
  background: var(--text-on-green);
  color: var(--green-primary);
  border: none;
}

.header-actions .btn-primary:hover {
  background: var(--green-bright);
  color: var(--text-light);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
}

.nav-toggle:hover,
.nav-toggle:focus {
  background: var(--bg-secondary);
  border-color: var(--text-secondary);
}

/* Centered header on scroll - Green pill style */
.site-header.centered {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: 20px;
  width: min(1000px, 96%);
  background: rgba(254,252,249,0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-radius: 50px;
  box-shadow: 0 8px 32px rgba(6,78,59,0.12);
  border: 1px solid var(--border-green);
  padding: 0;
}

.site-header.centered .header-inner {
  padding: 10px 24px;
  gap: var(--space-lg);
}

.site-header.centered .nav-link {
  color: rgba(0,0,0,0.6);
  font-size: 13px;
  padding: 6px 10px;
}

.site-header.centered .nav-link:hover,
.site-header.centered .nav-link:focus {
  color: var(--text-primary);
  background: rgba(0,0,0,0.04);
}

.site-header.centered .nav-link.active {
  color: var(--text-primary);
}

.site-header.centered .header-actions .btn {
  font-size: 13px;
  padding: 8px 16px;
}

.site-header.centered + main {
  padding-top: 0;
}

/* ============================================
   BUTTONS - Clean, minimal
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 12px 24px;
  min-height: 44px;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-sans);
  text-decoration: none;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

@media (max-width: 640px) {
  .btn {
    width: 100%;
    padding: 14px 24px;
    min-height: 48px;
  }
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--green-primary);
  color: var(--text-light);
  border: none;
}

.btn-primary:hover:not(:disabled),
.btn-primary:focus:not(:disabled) {
  background: var(--green-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(6,78,59,0.2);
}

.header-actions .btn-primary {
  background: var(--text-primary);
  color: var(--text-light);
}

.header-actions .btn-primary:hover:not(:disabled),
.header-actions .btn-primary:focus:not(:disabled) {
  background: rgba(0,0,0,0.85);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled),
.btn-ghost:focus:not(:disabled) {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.btn-outline:hover:not(:disabled),
.btn-outline:focus:not(:disabled) {
  background: var(--text-primary);
  color: var(--text-light);
}

/* ============================================
   HERO - Eden.so style
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-sm);
  background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-dark) 50%, var(--green-primary) 100%);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero {
    min-height: 85vh;
    padding: var(--space-lg) var(--space-sm);
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 80vh;
    padding: var(--space-md) var(--space-sm);
  }
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(16,185,129,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(5,150,105,0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(230,249,239,0.05) 0%, transparent 70%);
  pointer-events: none;
  animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.hero-center {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--space-md);
  margin: 0 auto;
  width: 100%;
}

.hero-main {
  max-width: 100%;
  width: 100%;
}

.hero-title.big {
  font-family: var(--font-serif);
  font-size: var(--font-size-hero);
  line-height: 1.1;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  position: relative;
  will-change: transform;
}

.hero-main {
  position: relative;
  z-index: 2;
}

.hero-lead {
  font-size: var(--font-size-xl);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 640px) {
  .hero-lead {
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--space-md);
  }
}

.hero-cta-btn {
  background: var(--green-bright);
  color: var(--text-light);
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--font-size-base);
  box-shadow: 0 10px 30px rgba(16,185,129,0.3);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.hero-cta-btn:hover,
.hero-cta-btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(16,185,129,0.4);
  background: var(--green-accent);
  border-color: rgba(230,249,239,0.3);
}

/* Floating cards */
.floating-cards {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--space-lg);
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.card-float {
  position: absolute;
  width: 280px;
  max-width: 40%;
  height: 180px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  opacity: 0.6;
}

.card-float.left {
  left: 5%;
}

.card-float.right {
  right: 5%;
}

.card-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .floating-cards {
    display: none;
  }
}

/* ============================================
   SECTIONS - With parallax
   ============================================ */
.section {
  padding: var(--space-xl) 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-lg) 0;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-md) 0;
  }
}

.section[data-parallax] {
  will-change: transform;
}

/* Scroll reveal animations */
.card,
.stat {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.card.is-visible,
.stat.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation delays */
.card:nth-child(1) { transition-delay: 0.1s; }
.card:nth-child(2) { transition-delay: 0.2s; }
.card:nth-child(3) { transition-delay: 0.3s; }
.card:nth-child(4) { transition-delay: 0.4s; }
.card:nth-child(5) { transition-delay: 0.5s; }
.card:nth-child(6) { transition-delay: 0.6s; }

.section-title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-3xl));
  font-weight: 700;
  margin-bottom: clamp(var(--space-sm), 2vw, var(--space-md));
  margin-top: 0;
  color: var(--green-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.lead {
  font-size: clamp(var(--font-size-base), 1.5vw, var(--font-size-lg));
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: min(700px, 90vw);
  margin-bottom: clamp(var(--space-sm), 2vw, var(--space-md));
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(200px, 20vw, 300px), 1fr));
  gap: clamp(var(--space-md), 3vw, var(--space-xl));
  margin-top: clamp(var(--space-lg), 4vw, var(--space-xl));
  position: relative;
}

.stat {
  text-align: center;
  padding: clamp(var(--space-md), 3vw, var(--space-xl));
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: clamp(var(--radius-lg), 1.2vw, var(--radius-xl));
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: clamp(48px, 5vw, 64px);
  height: clamp(48px, 5vw, 64px);
  margin: 0 auto clamp(var(--space-xs), 1.5vw, var(--space-sm));
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
  border-radius: 50%;
  color: var(--text-light);
  font-size: clamp(20px, 2.5vw, 28px);
  transition: transform var(--transition-base);
}

.stat:hover .stat-icon {
  transform: scale(1.1) rotate(10deg);
}

.stat-value {
  font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
  font-weight: 700;
  color: var(--green-primary);
  margin-bottom: var(--space-xs);
  line-height: 1;
  background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: clamp(var(--font-size-xs), 1.2vw, var(--font-size-sm));
  color: var(--text-secondary);
  font-weight: 500;
}

/* Impact grid */
.impact-media {
  margin-top: var(--space-xl);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.impact-tile {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.impact-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
}

.impact-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.95);
}

.impact-tile {
  aspect-ratio: 16 / 9;
}

@media (max-width: 640px) {
  .impact-tile {
    aspect-ratio: 16 / 10;
  }
}

.impact-tile figcaption {
  padding: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================
   CARDS - Clean, minimal
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 25vw, 350px), 1fr));
  gap: clamp(var(--space-sm), 2vw, var(--space-lg));
  margin-top: var(--space-lg);
}

/* Handle 4-card layouts better */
.cards-grid:has(article:nth-child(4)) {
  grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 22vw, 320px), 1fr));
}

@media (min-width: 1400px) {
  .cards-grid:has(article:nth-child(4)) {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 920px) {
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-green);
  border-radius: clamp(var(--radius), 1vw, var(--radius-xl));
  padding: clamp(var(--space-sm), 2vw, var(--space-lg));
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: clamp(0.9rem, 1vw, 1rem);
}

.card p:last-child {
  margin-bottom: 0;
}

.card h2,
.card h3 {
  font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-xl));
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-primary), var(--green-bright), var(--teal));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  border-color: var(--green-accent);
  box-shadow: 0 8px 24px rgba(6,78,59,0.12);
  transform: translateY(-4px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  margin-top: 0;
  color: var(--text-primary);
  line-height: 1.3;
}

.card:not(:has(.card-icon)) h3 {
  margin-top: 0;
}

.card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

.card p:not(:last-child) {
  margin-bottom: var(--space-sm);
}

/* ============================================
   FORMS - Accessible, clean
   ============================================ */
.waitlist-form,
.contact-card {
  display: grid;
  gap: var(--space-md);
}

.waitlist-form label,
.field {
  display: block;
}

.waitlist-form label span,
.field span {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.waitlist-form input,
.waitlist-form select,
.field input,
.field textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.waitlist-form input:focus,
.waitlist-form select:focus,
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,69,0,0.1);
}

.waitlist-form input::placeholder,
.field input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.form-actions {
  margin-top: var(--space-sm);
}

/* ============================================
   DONATION SECTION - Improved UX
   ============================================ */
.donation-amounts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.donation-amount-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-base);
}

.donation-amount-btn:hover,
.donation-amount-btn:focus {
  border-color: var(--accent);
  background: rgba(255,69,0,0.05);
  color: var(--accent);
}

.donation-amount-btn.active {
  background: var(--accent);
  color: var(--text-light);
  border-color: var(--accent);
}

.donation-info {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.donation-info h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
}

.donation-info ul {
  list-style: none;
  padding-left: 0;
}

.donation-info li {
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--space-md);
}

.donation-info li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ============================================
   WAITLIST OVERLAY
   ============================================ */
.waitlist-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  padding: var(--space-md);
}

.waitlist-panel {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  width: 100%;
  max-width: 500px;
  box-shadow: 0 20px 60px rgba(6,78,59,0.2);
  border: 2px solid var(--green-pale);
  max-height: 90vh;
  overflow-y: auto;
}

.waitlist-panel h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--green-primary);
}

.waitlist-panel .muted {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-dark) 100%);
  border-top: 1px solid rgba(230,249,239,0.1);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
  color: var(--text-light);
}

.site-footer .footer-brand,
.site-footer h4 {
  color: var(--text-light);
}

.site-footer .footer-list a {
  color: rgba(230,249,239,0.8);
}

.site-footer .footer-list a:hover {
  color: var(--text-light);
}

.site-footer .muted {
  color: rgba(230,249,239,0.7);
}

.site-footer .btn-primary {
  background: var(--green-bright);
  color: var(--text-light);
}

.site-footer .btn-primary:hover {
  background: var(--green-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.footer-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-list {
  list-style: none;
  padding: 0;
}

.footer-list li {
  margin-bottom: var(--space-xs);
}

.footer-list a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-list a:hover,
.footer-list a:focus {
  color: var(--text-primary);
}

.muted {
  color: var(--text-secondary);
}

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ============================================
   RESPONSIVE - Mobile first
   ============================================ */
@media (max-width: 920px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-sm);
    padding: 12px var(--space-sm);
  }
  
  .nav {
    position: fixed;
    top: 70px;
    right: var(--space-sm);
    left: var(--space-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 999;
    max-width: calc(100% - var(--space-sm) * 2);
  }
  
  .site-header.nav-open .nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .nav-link {
    width: 100%;
    padding: 12px 16px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .nav-toggle {
    display: block;
    min-width: 44px;
    min-height: 44px;
  }
  
  .header-actions .join-waitlist {
    display: none;
  }
  
  .hero-title.big {
    font-size: clamp(2rem, 8vw, 4rem);
    padding: 0 var(--space-sm);
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .impact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .site-header.centered {
    left: 0;
    transform: none;
    width: 100%;
    top: 0;
    border-radius: 0;
    padding: 0;
  }
  
  .site-header.centered .header-inner {
    padding: 12px var(--space-sm);
  }
  
  .site-header.centered + main {
    padding-top: 0;
  }
}

@media (max-width: 640px) {
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  
  .donation-amounts {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }
  
  .donation-amount-btn {
    min-height: 48px;
    font-size: var(--font-size-base);
  }
  
  .waitlist-form input,
  .waitlist-form select,
  .field input,
  .field textarea {
    min-height: 48px;
    font-size: 16px;
  }
}

/* ============================================
   DEV SHOWCASE - Layered parallax video display
   Fluid, viewport-based sizing
   ============================================ */
.dev-media {
  position: relative;
  overflow: hidden;
  background: var(--bg-secondary);
  min-height: clamp(400px, 50vh, 800px);
  display: flex;
  align-items: center;
  padding: clamp(var(--space-lg), 5vh, var(--space-2xl)) 0;
}

.dev-showcase-wrapper {
  width: 100%;
  max-width: min(95vw, 1800px);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.dev-showcase {
  position: relative;
  width: 100%;
  height: clamp(300px, 40vh, 900px);
  margin: var(--space-lg) auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(6,78,59,0.15);
  background: var(--green-dark);
}

@media (min-width: 1400px) {
  .dev-media {
    min-height: 700px;
    padding: var(--space-2xl) 0;
  }
  
  .dev-showcase {
    height: 600px;
    max-width: 1600px;
  }
  
  .dev-layer-1 { width: 100%; height: 100%; }
  .dev-layer-2 { width: 50%; height: 65%; top: 8%; left: 4%; }
  .dev-layer-3 { width: 45%; height: 60%; top: 22%; right: 6%; }
  .dev-layer-4 { width: 40%; height: 55%; top: 42%; left: 12%; }
  .dev-layer-5 { width: 43%; height: 63%; top: 18%; right: 10%; }
  .dev-layer-6 { width: 47%; height: 57%; bottom: 6%; left: 6%; }
  .dev-layer-7 { width: 41%; height: 53%; bottom: 10%; right: 8%; }
}

@media (min-width: 1920px) {
  .dev-showcase {
    height: 700px;
  }
}

.dev-layer {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  opacity: 0.85;
  transition: opacity var(--transition-base);
  will-change: transform;
}

.dev-layer:hover {
  opacity: 1;
  z-index: 10;
}

.dev-layer video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.9) saturate(1.1);
}

/* Layer positioning - creates busy, overlapping effect */
.dev-layer-1 {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  opacity: 0.4;
}

.dev-layer-2 {
  width: 45%;
  height: 60%;
  top: 10%;
  left: 5%;
  z-index: 3;
  transform: rotate(-2deg);
}

.dev-layer-3 {
  width: 40%;
  height: 55%;
  top: 25%;
  right: 8%;
  z-index: 4;
  transform: rotate(1.5deg);
}

.dev-layer-4 {
  width: 35%;
  height: 50%;
  top: 45%;
  left: 15%;
  z-index: 5;
  transform: rotate(-1deg);
}

.dev-layer-5 {
  width: 38%;
  height: 58%;
  top: 20%;
  right: 12%;
  z-index: 6;
  transform: rotate(2deg);
}

.dev-layer-6 {
  width: 42%;
  height: 52%;
  bottom: 8%;
  left: 8%;
  z-index: 4;
  transform: rotate(-1.5deg);
}

.dev-layer-7 {
  width: 36%;
  height: 48%;
  bottom: 12%;
  right: 10%;
  z-index: 7;
  transform: rotate(1deg);
}

@media (max-width: 1024px) {
  .dev-showcase {
    height: 350px;
  }
  
  .dev-layer-2 { width: 50%; height: 55%; }
  .dev-layer-3 { width: 45%; height: 50%; }
  .dev-layer-4 { width: 40%; height: 45%; }
  .dev-layer-5 { width: 43%; height: 53%; }
  .dev-layer-6 { width: 47%; height: 47%; }
  .dev-layer-7 { width: 41%; height: 43%; }
}

@media (max-width: 768px) {
  .dev-media {
    min-height: 400px;
  }
  
  .dev-showcase {
    height: 300px;
  }
  
  .dev-layer {
    opacity: 0.7;
  }
  
  .dev-layer-1 { opacity: 0.3; }
  .dev-layer-2 { width: 55%; height: 50%; top: 5%; left: 2%; }
  .dev-layer-3 { width: 50%; height: 45%; top: 20%; right: 3%; }
  .dev-layer-4 { width: 45%; height: 40%; top: 40%; left: 10%; }
  .dev-layer-5 { width: 48%; height: 48%; top: 15%; right: 5%; }
  .dev-layer-6 { width: 52%; height: 42%; bottom: 5%; left: 3%; }
  .dev-layer-7 { width: 46%; height: 38%; bottom: 8%; right: 5%; }
}

@media (max-width: 640px) {
  .dev-showcase {
    height: 250px;
  }
  
  .dev-layer {
    border-radius: var(--radius);
  }
}

/* Card icons */
.card-icon {
  width: clamp(44px, 4vw, 56px);
  height: clamp(44px, 4vw, 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green-primary), var(--green-bright));
  border-radius: clamp(var(--radius), 0.8vw, var(--radius-lg));
  margin-bottom: clamp(var(--space-xs), 1.5vw, var(--space-sm));
  color: var(--text-light);
  font-size: clamp(18px, 2vw, 24px);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 4px 12px rgba(6,78,59,0.2);
  position: relative;
  flex-shrink: 0;
}

.card-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--green-bright), var(--green-accent));
  border-radius: var(--radius);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 20px rgba(6,78,59,0.3);
}

.card:hover .card-icon::before {
  opacity: 0.3;
}

/* Subtle floating animation for icons */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
}

.card-icon {
  animation: float 3s ease-in-out infinite;
}

.card:hover .card-icon {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .dev-tile {
    transition: none;
  }
}

/* ============================================
   FLOATING ACTION BUTTON
   ============================================ */
.join-fab {
  display: none;
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 1000;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-light);
  border: none;
  box-shadow: var(--shadow-lg);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
}

.join-fab:hover,
.join-fab:focus {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

@media (max-width: 920px) {
  .join-fab {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .card-float,
  .parallax-content,
  .card-icon {
    animation: none !important;
    transform: none !important;
  }
  
  .card:hover .card-icon {
    transform: none !important;
  }
  
  [data-parallax-speed],
  [data-parallax-depth] {
    transform: none !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .card {
    border-width: 2px;
  }
  
  .btn {
    border-width: 2px;
  }
}

/* About page media grid */
.about-media {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.about-media img,
.about-media video {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

@media (max-width: 640px) {
  .about-media {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .about-media img,
  .about-media video {
    height: 180px;
  }
}

/* Panel and form styles */
.panel {
  margin: var(--space-lg) 0;
  padding: var(--space-md) 0;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.panel-header h2 {
  margin: 0;
  font-size: var(--font-size-2xl);
  color: var(--green-primary);
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--green-pale);
  color: var(--green-primary);
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.form-grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  min-height: 48px;
}

.form-grid input:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--green-primary);
  box-shadow: 0 0 0 3px rgba(6,78,59,0.1);
}

.form-grid textarea {
  min-height: 100px;
  resize: vertical;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.info-grid h3 {
  font-size: var(--font-size-lg);
  color: var(--green-primary);
  margin-bottom: var(--space-xs);
  margin-top: 0;
}

.info-grid p {
  color: var(--text-secondary);
  margin: 0;
}

.list {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0 0;
}

.list li {
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--space-md);
}

.list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--green-primary);
  font-weight: 700;
}

.status-list {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0 0;
}

.status-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.status-list li:last-child {
  border-bottom: none;
}

.status-list strong {
  color: var(--text-primary);
  display: inline-block;
  min-width: 120px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 768px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
}

/* Parallax sections */
.parallax {
  padding: var(--space-xl) 0;
  background: var(--green-primary);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.parallax-content {
  position: relative;
  z-index: 1;
}

.parallax-content h1,
.parallax-content h2 {
  color: var(--text-light);
  margin-bottom: var(--space-sm);
}

.parallax-content p {
  color: rgba(255,255,255,0.9);
  margin: 0;
}

@media (max-width: 640px) {
  .parallax {
    padding: var(--space-lg) 0;
  }
  
  .form-grid {
    gap: var(--space-sm);
  }
}

/* Print styles */
@media print {
  .site-header,
  .join-fab,
  .waitlist-overlay {
    display: none;
  }
}