/* =============================================
   MASKARWADI FOUNDATION
   Brand Colors (from logo)
   #8bb81c — Light Green
   #6cb50d — Vibrant Green
   #1a9148 — Forest Green (Primary)
   #07688f — Teal Blue (Secondary)
   #e38717 — Warm Amber (Accent)
   ============================================= */

/* ===== CSS Variables ===== */
:root {
  /* === Brand Colors === */
  --color-primary: #1a9148;
  --color-primary-dark: #0f6b33;
  --color-primary-light: #2db85c;
  --color-secondary: #07688f;
  --color-secondary-dark: #054b6b;
  --color-secondary-light: #0a8fc4;
  --color-accent: #e38717;
  --color-accent-dark: #c47112;
  --color-accent-light: #f0a545;
  --color-green-light: #8bb81c;
  --color-green-vibrant: #6cb50d;

  /* === Gradients === */
  --gradient-primary: linear-gradient(135deg, #1a9148 0%, #07688f 100%);
  --gradient-primary-reverse: linear-gradient(135deg, #07688f 0%, #1a9148 100%);
  --gradient-accent: linear-gradient(135deg, #e38717 0%, #f0a545 100%);
  --gradient-green: linear-gradient(135deg, #8bb81c 0%, #6cb50d 100%);
  --gradient-dark: linear-gradient(135deg, #0a1628 0%, #1a2a3a 100%);
  --gradient-hero: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(26, 145, 72, 0.85) 100%);

  /* === Neutral Colors === */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7f6;
  --color-bg-card: #ffffff;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a5568;
  --color-text-muted: #8896ab;
  --color-border: #e2e8f0;
  --color-border-light: #edf2f7;

  /* === Glassmorphism === */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);

  /* === Shadows === */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 10px 15px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08), 0 20px 40px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 30px rgba(26, 145, 72, 0.15);

  /* === Typography === */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: '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: 2.75rem;
  --font-size-5xl: 3.75rem;

  /* === Spacing === */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;

  /* === Border Radius === */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* === Transitions === */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* === Container === */
  --container-max: 1200px;
}

/* ===== Dark Mode ===== */
.dark-mode {
  --color-bg: #0a0e1a;
  --color-bg-alt: #111827;
  --color-bg-card: #1a1f2e;
  --color-text: #e2e8f0;
  --color-text-secondary: #a0aec0;
  --color-text-muted: #64748b;
  --color-border: #2a3040;
  --color-border-light: #1f2638;
  --glass-bg: rgba(26, 31, 46, 0.9);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
  --gradient-hero: linear-gradient(135deg, rgba(0, 0, 0, 0.95) 0%, rgba(15, 107, 51, 0.9) 100%);
  --color-primary-lightest: rgba(26, 145, 72, 0.2);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition-base), color var(--transition-base);
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-light); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ===== Selection ===== */
::selection { background: var(--color-primary); color: #fff; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb { background: var(--color-primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ===== Preloader ===== */
#preloader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--color-bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  gap: var(--spacing-xl);
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader { position: relative; width: 80px; height: 80px; }
.loader-ring {
  position: absolute; inset: 0;
  border: 3px solid transparent;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}
.loader-ring:nth-child(2) {
  inset: 8px;
  border-top-color: var(--color-secondary);
  animation-duration: 1.5s;
  animation-direction: reverse;
}
.loader-ring:nth-child(3) {
  inset: 16px;
  border-top-color: var(--color-accent);
  animation-duration: 1.8s;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loader-logo { height: 32px; opacity: 0.6; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.3px;
  border: none; border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,0.12);
  transform: translateX(-100%) skewX(-15deg);
  transition: transform 0.6s ease;
}
.btn:hover::before { transform: translateX(100%) skewX(-15deg); }

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26, 145, 72, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(26, 145, 72, 0.45);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }

.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: none;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.18); color: #fff; transform: translateY(-2px); }

.btn-block { width: 100%; }

/* ===== Section ===== */
.section { padding: var(--spacing-5xl) 0; position: relative; }

.section-header { text-align: center; margin-bottom: var(--spacing-4xl); }
.section-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  background: rgba(26, 145, 72, 0.1);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(26, 145, 72, 0.15);
}
.section-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.15;
}
.section-divider { display: flex; align-items: center; justify-content: center; gap: var(--spacing-md); }
.divider-line { display: block; width: 60px; height: 2px; background: var(--gradient-primary); border-radius: 2px; }
.divider-icon { color: var(--color-primary); font-size: var(--font-size-lg); }

/* ===== Navigation ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}
.header.scrolled { box-shadow: var(--shadow-lg); }

.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}

.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.logo-img { height: 36px; width: auto; }
.logo-text {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.3px;
}
.logo-highlight { color: var(--color-primary); }

.nav-menu { display: flex; align-items: center; gap: 0.125rem; }
.nav-link {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 2px; left: 50%;
  width: 0; height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform: translateX(-50%);
}
.nav-link:hover, .nav-link.active { color: var(--color-primary); background: rgba(26, 145, 72, 0.06); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }

.nav-donate-btn {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  padding: 0.6rem 1.5rem !important;
  border-radius: 50px;
  font-weight: 600;
  display: flex; align-items: center; gap: 0.5rem;
}
.nav-donate-btn::after { display: none; }
.nav-donate-btn:hover { box-shadow: 0 4px 20px rgba(26, 145, 72, 0.4); transform: translateY(-1px); }

/* ===== Theme Toggle ===== */
.nav-actions { display: flex; align-items: center; gap: 0.25rem; }
.theme-toggle {
  background: none; border: none; cursor: pointer;
  width: 40px; height: 40px; border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-secondary); font-size: 1.1rem;
  transition: all var(--transition-fast);
}
.theme-toggle:hover { background: rgba(26, 145, 72, 0.1); color: var(--color-primary); }
.theme-toggle .fa-sun { display: none; }
.theme-toggle .fa-moon { display: block; }
.dark-mode .theme-toggle .fa-sun { display: block; }
.dark-mode .theme-toggle .fa-moon { display: none; }

/* ===== Mobile Menu ===== */
.menu-toggle {
  display: none; flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px;
  background: none; border: none; cursor: pointer;
  padding: 8px; border-radius: var(--radius-sm);
}
.bar { display: block; width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: all var(--transition-base); }
.menu-toggle.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active .bar:nth-child(2) { opacity: 0; }
.menu-toggle.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: var(--gradient-hero);
  z-index: 2;
}
.hero-bg-slideshow { position: absolute; inset: 0; z-index: 1; }
.slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out, transform 1.5s ease;
  transform: scale(1.08);
}
.slide.active { opacity: 1; transform: scale(1); }

.hero-content {
  position: relative; z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-4xl) 0;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--font-size-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 3px;
  color: #fff;
  background: rgba(255,255,255,0.1);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  margin-bottom: var(--spacing-xl);
  border: 1px solid rgba(255,255,255,0.15);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}
.hero-highlight {
  background: linear-gradient(135deg, #8bb81c, #6cb50d, #1a9148);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: var(--font-size-lg);
  font-weight: 300;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--spacing-2xl);
  max-width: 650px;
  margin-left: auto; margin-right: auto;
  line-height: 1.8;
}
.hero-buttons { display: flex; gap: var(--spacing-md); justify-content: center; flex-wrap: wrap; }

.hero-scroll-indicator {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-size: var(--font-size-xs); letter-spacing: 2px; text-transform: uppercase;
}
.scroll-mouse { width: 24px; height: 38px; border: 2px solid rgba(255,255,255,0.4); border-radius: 12px; position: relative; }
.scroll-wheel {
  width: 4px; height: 8px; background: rgba(255,255,255,0.7);
  border-radius: 2px; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(16px); opacity: 0; }
}

/* ===== About ===== */
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-4xl); align-items: center; }

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about-image-wrapper img {
  width: 100%; height: 520px; object-fit: cover;
  transition: transform var(--transition-slow);
}
.about-image-wrapper:hover img { transform: scale(1.04); }

.about-image-badge {
  position: absolute; bottom: var(--spacing-xl); left: var(--spacing-xl);
  background: rgba(255,255,255,0.9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  padding: 0.75rem 1.5rem; border-radius: var(--radius-md);
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 700; color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.3);
  box-shadow: var(--shadow-md);
}
.about-image-badge i { font-size: 1.25rem; color: var(--color-primary); }

.about-text h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}
.about-text p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.about-features { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--spacing-lg); margin-bottom: var(--spacing-xl); }
.about-feature {
  padding: var(--spacing-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}
.about-feature:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: rgba(26, 145, 72, 0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}
.about-feature h4 { font-size: var(--font-size-sm); font-weight: 700; color: var(--color-text); margin-bottom: 0.25rem; }
.about-feature p { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-bottom: 0; }

/* ===== Vision & Mission ===== */
.vision-section { background: var(--color-bg-alt); }
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-2xl); }
.vm-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
}
.vm-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
}
.vision-card::before { background: var(--gradient-primary); }
.mission-card::before { background: var(--gradient-accent); }
.vm-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-6px); }

.vm-icon {
  width: 64px; height: 64px; border-radius: var(--radius-lg);
  background: rgba(26, 145, 72, 0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}
.vm-card h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}
.vm-card blockquote {
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.8;
  font-size: var(--font-size-lg);
  padding-left: var(--spacing-lg);
  border-left: 3px solid var(--color-primary-light);
}
.mission-list { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.mission-list li {
  display: flex; align-items: flex-start; gap: 0.75rem;
  color: var(--color-text-secondary); font-size: var(--font-size-base);
}
.mission-list li i { color: var(--color-green-vibrant); margin-top: 4px; flex-shrink: 0; }

/* ===== Work / Initiatives ===== */
.work-section { background: var(--color-bg); }
.work-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-xl); }
.work-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
  cursor: default;
}
.work-card-inner { padding: var(--spacing-2xl); position: relative; z-index: 1; }
.work-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 0;
}
.work-card:hover::before { opacity: 1; }
.work-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.work-card:hover .work-card-inner * { color: #fff !important; }
.work-card:hover .work-icon { background: rgba(255,255,255,0.2); color: #fff; }
.work-card:hover .work-tag { background: rgba(255,255,255,0.2); color: #fff; }
.work-card:hover .work-card-footer { border-color: rgba(255,255,255,0.2); }

.work-icon {
  width: 56px; height: 56px; border-radius: var(--radius-lg);
  background: rgba(26, 145, 72, 0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  transition: all var(--transition-base);
}
.work-card h3 { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-sm); }
.work-card p { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; }
.work-card-footer { margin-top: var(--spacing-lg); padding-top: var(--spacing-lg); border-top: 1px solid var(--color-border-light); }
.work-tag {
  display: inline-block; font-size: var(--font-size-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 0.25rem 0.75rem; border-radius: 50px;
}
.work-tag-green { background: rgba(26, 145, 72, 0.1); color: var(--color-primary); }
.work-tag-teal { background: rgba(7, 104, 143, 0.1); color: var(--color-secondary); }
.work-tag-orange { background: rgba(227, 135, 23, 0.1); color: var(--color-accent); }
.work-tag-blue { background: rgba(7, 104, 143, 0.1); color: var(--color-secondary); }

/* ===== Statistics ===== */
.stats-section {
  background: var(--gradient-primary-reverse);
  position: relative; overflow: hidden;
  padding: var(--spacing-4xl) 0;
}
.stats-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.03) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M20 0v40M0 20h40'/%3E%3C/g%3E%3C/svg%3E");
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-2xl); position: relative; z-index: 1; }
.stat-item { text-align: center; padding: var(--spacing-2xl); }
.stat-icon { font-size: 2.5rem; color: rgba(255,255,255,0.3); margin-bottom: var(--spacing-md); transition: all var(--transition-base); }
.stat-item:hover .stat-icon { transform: scale(1.15); color: var(--color-green-light); }
.stat-number {
  font-family: var(--font-heading); font-size: var(--font-size-5xl);
  font-weight: 700; color: #fff; line-height: 1; margin-bottom: var(--spacing-sm);
}
.stat-label { font-size: var(--font-size-base); color: rgba(255,255,255,0.7); font-weight: 300; letter-spacing: 0.5px; }

/* ===== Projects ===== */
.projects-section { background: var(--color-bg-alt); }
.projects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-xl); }
.project-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.project-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-8px); }

.project-card-image { position: relative; height: 200px; overflow: hidden; }
.project-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.project-card:hover .project-card-image img { transform: scale(1.1); }
.project-image-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition-base);
  color: #fff; font-size: 2rem;
}
.project-card:hover .project-image-overlay { opacity: 1; }

.project-status {
  position: absolute; top: var(--spacing-md); right: var(--spacing-md);
  font-size: var(--font-size-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 0.375rem 0.875rem; border-radius: 50px;
  z-index: 2;
}
.status-planned { background: rgba(26, 145, 72, 0.9); color: #fff; }
.status-fundraising { background: rgba(227, 135, 23, 0.9); color: #fff; }
.status-planning { background: rgba(7, 104, 143, 0.9); color: #fff; }

.project-card-body { padding: var(--spacing-lg); }
.project-card-body h3 { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-sm); }
.project-card-body p { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; margin-bottom: var(--spacing-lg); }

.project-progress {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex; align-items: center; gap: var(--spacing-md);
}
.progress-bar {
  flex: 1; height: 6px; background: var(--color-border);
  border-radius: 3px; overflow: hidden;
  position: relative;
}
.progress-bar::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--progress, 0%);
  background: var(--gradient-primary);
  border-radius: 3px;
  transition: width 1.5s ease;
}
.progress-text { font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-muted); white-space: nowrap; }

/* ===== Timeline ===== */
.timeline-section { background: var(--color-bg); }
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding: var(--spacing-xl) 0; }
.timeline::before {
  content: ''; position: absolute; left: 30px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--color-primary-light), var(--color-secondary), var(--color-primary));
}

.timeline-item {
  position: relative; padding: 0 0 var(--spacing-3xl) 80px;
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute; left: 12px; top: 4px;
  width: 38px; height: 38px;
  background: var(--color-bg-card);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); font-size: 0.9rem;
  z-index: 2;
  box-shadow: 0 0 0 4px var(--color-bg);
  transition: all var(--transition-base);
}
.timeline-item:hover .timeline-marker {
  background: var(--color-primary);
  color: #fff;
  transform: scale(1.1);
}

.timeline-content {
  background: var(--color-bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.timeline-item:hover .timeline-content {
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}
.timeline-date {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--font-size-xs); font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}
.timeline-content h3 { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-sm); }
.timeline-content p { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; }

/* ===== Founders ===== */
.founders-quote {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
  padding: var(--spacing-2xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
}
.founders-quote .quote-icon {
  font-size: 2.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.5;
  margin-bottom: var(--spacing-md);
}
.founders-quote p {
  font-size: var(--font-size-lg); font-style: italic;
  color: var(--color-text-secondary); line-height: 1.8;
}
.quote-author { margin-top: var(--spacing-lg); }
.quote-author span { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-primary); }

.founders-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-xl); }
.founder-card {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.founder-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }

.founder-avatar {
  width: 90px; height: 90px; border-radius: var(--radius-full);
  margin: 0 auto var(--spacing-lg);
  position: relative;
  overflow: hidden;
}
.founder-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-full); }
.founder-avatar-ring {
  position: absolute; inset: -3px;
  border-radius: 50%;
  border: 3px solid transparent;
  background: var(--gradient-primary) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}
.founder-card:hover .founder-avatar-ring { animation: ringSpin 4s linear infinite; }
@keyframes ringSpin { to { transform: rotate(360deg); } }

.founder-info h4 { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-text); margin-bottom: 0.25rem; }
.founder-info span { font-size: var(--font-size-sm); color: var(--color-primary); font-weight: 500; }

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: var(--spacing-lg);
}
.gallery-item-xl { grid-column: span 2; grid-row: span 2; }

.gallery-item {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item-xl { aspect-ratio: auto; }
.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; inset: 0;
  background: linear-gradient(0deg, rgba(10, 22, 40, 0.85) 0%, transparent 70%);
  display: flex; align-items: flex-end;
  padding: var(--spacing-lg);
  opacity: 0; transition: opacity var(--transition-base);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-badge {
  display: inline-block;
  font-size: var(--font-size-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
  padding: 0.2rem 0.75rem; border-radius: 50px;
  background: var(--color-primary); color: #fff;
  margin-bottom: var(--spacing-sm);
}
.gallery-info h4 { color: #fff; font-size: var(--font-size-lg); font-weight: 600; }
.gallery-info p { color: rgba(255,255,255,0.7); font-size: var(--font-size-sm); }

/* ===== Lightbox ===== */
.lightbox {
  display: none;
  position: fixed; z-index: 10000; inset: 0;
  background: rgba(0,0,0,0.95);
  align-items: center; justify-content: center;
  padding: var(--spacing-xl);
}
.lightbox.active { display: flex; }
.lightbox-content {
  max-width: 85%; max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; color: #fff; cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close {
  top: var(--spacing-xl); right: var(--spacing-xl);
  font-size: 2rem;
  width: 48px; height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
}
.lightbox-prev { left: var(--spacing-xl); top: 50%; transform: translateY(-50%); font-size: 1.5rem; width: 48px; height: 48px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); }
.lightbox-next { right: var(--spacing-xl); top: 50%; transform: translateY(-50%); font-size: 1.5rem; width: 48px; height: 48px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.2); }

.lightbox-caption {
  position: absolute; bottom: var(--spacing-xl);
  color: #fff; font-size: var(--font-size-base);
  text-align: center;
}

/* ===== Volunteer ===== */
.volunteer-section { background: var(--color-bg); }
.volunteer-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl);
}
.volunteer-intro p { font-size: var(--font-size-lg); color: var(--color-text-secondary); }

.volunteer-benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}
.benefit-card {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.benefit-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.benefit-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--spacing-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  background: rgba(26, 145, 72, 0.1);
  color: var(--color-primary);
  transition: all var(--transition-base);
}
.benefit-card:hover .benefit-icon { background: var(--color-primary); color: #fff; transform: scale(1.1) rotate(-5deg); }
.benefit-card h4 { font-size: var(--font-size-base); font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-sm); }
.benefit-card p { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; }

.volunteer-form-wrapper {
  max-width: 700px;
  margin: 0 auto;
  background: var(--color-bg-card);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.volunteer-form-wrapper h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  display: flex; align-items: center; gap: 0.75rem;
}
.volunteer-form-wrapper h3 i { color: var(--color-primary); }

/* ===== Forms ===== */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
.form-group { position: relative; margin-bottom: var(--spacing-lg); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { appearance: none; cursor: pointer; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(26, 145, 72, 0.1);
}
.form-group i {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  color: var(--color-text-muted); font-size: 1rem; pointer-events: none;
  transition: color var(--transition-fast);
}
.form-group textarea ~ i { top: 1.125rem; transform: none; }
.form-group select ~ i { pointer-events: none; }
.form-group input:focus ~ i, .form-group textarea:focus ~ i, .form-group select:focus ~ i { color: var(--color-primary); }

/* ===== Donate ===== */
.donate-section {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}
.donate-wrapper { max-width: 600px; margin: 0 auto; }
.donate-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.donate-card-header { text-align: center; margin-bottom: var(--spacing-lg); }
.donate-card-header i {
  font-size: 3rem;
  background: linear-gradient(135deg, #e74c3c, #e38717);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-md);
}
.donate-card-header h3 { font-family: var(--font-heading); font-size: var(--font-size-3xl); color: var(--color-text); }
.donate-description { text-align: center; color: var(--color-text-secondary); margin-bottom: var(--spacing-xl); line-height: 1.7; }

.donate-amounts {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; margin-bottom: var(--spacing-xl);
}
.donate-amount {
  padding: 0.75rem 1.25rem;
  font-size: var(--font-size-base); font-weight: 700;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer; transition: all var(--transition-fast);
  font-family: var(--font-primary);
}
.donate-amount:hover { border-color: var(--color-primary); color: var(--color-primary); }
.donate-amount.active { border-color: var(--color-primary); background: var(--color-primary); color: #fff; }
.custom-amount { border-style: dashed; }

.donate-upi { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); padding-top: var(--spacing-xl); border-top: 1px solid var(--color-border); }
.upi-qr { display: flex; align-items: center; justify-content: center; }
.qr-frame {
  width: 180px; height: 180px;
  background: var(--color-bg-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; position: relative; overflow: hidden;
}
.qr-code-pattern i { font-size: 3rem; color: var(--color-primary); opacity: 0.5; }
.qr-frame p { font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; }

.upi-info h4 { font-size: var(--font-size-base); color: var(--color-text); margin-bottom: var(--spacing-sm); display: flex; align-items: center; gap: 0.5rem; }
.upi-info h4 i { color: var(--color-primary); }
.upi-info > p { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-bottom: var(--spacing-md); }
.upi-clipboard {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--color-border);
}
.upi-clipboard code { flex: 1; font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text); font-family: monospace; }
.copy-btn { background: none; border: none; color: var(--color-primary); cursor: pointer; padding: 0.25rem; transition: all var(--transition-fast); }
.copy-btn:hover { color: var(--color-accent); transform: scale(1.1); }
.donate-bank { margin-bottom: var(--spacing-lg); }
.donate-bank p { font-size: var(--font-size-xs); color: var(--color-text-muted); display: flex; align-items: center; gap: 0.5rem; }

.donate-footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-size: var(--font-size-xs); color: var(--color-text-muted);
}
.donate-footer i { color: var(--color-primary); }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-3xl); }

.contact-info { display: flex; flex-direction: column; gap: var(--spacing-lg); }
.contact-card {
  display: flex; gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.contact-icon {
  width: 50px; height: 50px; min-width: 50px;
  border-radius: var(--radius-md);
  background: rgba(26, 145, 72, 0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; color: var(--color-primary);
}
.contact-card h4 { font-size: var(--font-size-xs); font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.25rem; }
.contact-card p, .contact-card a { font-size: var(--font-size-base); color: var(--color-text); font-weight: 500; }

.contact-social { padding: var(--spacing-lg); }
.contact-social h4 { font-size: var(--font-size-sm); font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-md); }
.social-links { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; }
.social-link {
  width: 44px; height: 44px; border-radius: var(--radius-full);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-secondary); font-size: 1rem;
  transition: all var(--transition-base);
}
.social-link:hover {
  background: var(--color-primary); border-color: var(--color-primary);
  color: #fff; transform: translateY(-3px);
  box-shadow: 0 4px 15px rgba(26, 145, 72, 0.3);
}

.contact-form-wrapper {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.contact-form-wrapper h3 {
  font-size: var(--font-size-xl); font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  display: flex; align-items: center; gap: 0.75rem;
}
.contact-form-wrapper h3 i { color: var(--color-primary); }

/* ===== Map ===== */
.map-container {
  margin-top: var(--spacing-3xl);
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.map-embed { width: 100%; height: 380px; }
.map-embed iframe { width: 100%; height: 100%; border: 0; }
.map-overlay-info {
  position: absolute; top: var(--spacing-lg); left: var(--spacing-lg);
  background: var(--glass-bg); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 600; font-size: var(--font-size-sm);
  color: var(--color-text);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}
.map-overlay-info i { color: var(--color-primary); font-size: 1.25rem; }

/* ===== Footer ===== */
.footer {
  background: var(--color-bg-alt);
  padding-top: 0;
  position: relative;
}
.footer-wave {
  position: relative;
  margin-top: -1px;
  color: var(--color-bg-alt);
}
.footer-wave svg { display: block; width: 100%; height: 60px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-3xl);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  border-bottom: 1px solid var(--color-border);
}

.footer-brand {}
.footer-logo-svg { margin-bottom: var(--spacing-lg); }
.footer-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}
.footer-desc { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.8; }

.footer-links h4, .footer-contact h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.625rem; }
.footer-links a { font-size: var(--font-size-sm); color: var(--color-text-secondary); transition: all var(--transition-fast); }
.footer-links a:hover { color: var(--color-primary); padding-left: 4px; }

.footer-contact ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-contact li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex; align-items: flex-start; gap: 0.75rem;
}
.footer-contact li i { color: var(--color-primary); margin-top: 4px; }
.footer-contact li a { color: var(--color-text-secondary); }
.footer-contact li a:hover { color: var(--color-primary); }

.footer-social {
  display: flex; gap: 0.5rem; margin-top: var(--spacing-lg);
}
.footer-social a {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  background: rgba(26, 145, 72, 0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); font-size: 1rem;
  transition: all var(--transition-base);
}
.footer-social a:hover { background: var(--color-primary); color: #fff; transform: translateY(-3px); }

.footer-bottom {
  padding: var(--spacing-xl) 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--spacing-md);
}
.footer-bottom p { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.footer-bottom-tagline {
  color: var(--color-primary) !important;
  font-weight: 500;
}

/* ===== Scroll to Top ===== */
.scroll-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 48px; height: 48px; border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff; border: none; cursor: pointer;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(26, 145, 72, 0.3);
  transition: all var(--transition-base);
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  display: flex; align-items: center; justify-content: center;
}
.scroll-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-to-top:hover { transform: translateY(-3px); box-shadow: 0 6px 25px rgba(26, 145, 72, 0.45); }

/* ===== Responsive — Tablet Landscape ===== */
@media (max-width: 1024px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .founders-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { gap: var(--spacing-lg); }
  .volunteer-benefits { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item-xl { grid-column: span 2; grid-row: span 1; }
}

/* ===== Responsive — Tablet ===== */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.75rem;
    --font-size-4xl: 2.125rem;
    --font-size-3xl: 1.75rem;
    --spacing-5xl: 4rem;
    --spacing-4xl: 3rem;
  }

  .container { padding: 0 var(--spacing-lg); }

  /* Nav */
  .menu-toggle { display: flex; }
  .navbar {
    position: fixed; top: 76px; left: 0; right: 0;
    background: var(--glass-bg); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-10px); opacity: 0; visibility: hidden;
    transition: all var(--transition-base);
    max-height: calc(100vh - 76px); overflow-y: auto;
  }
  .navbar.active { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-menu { flex-direction: column; gap: 0.25rem; }
  .nav-link { display: block; padding: 0.75rem 1rem; font-size: var(--font-size-base); }
  .nav-donate-btn { text-align: center; margin-top: 0.5rem; }

  /* Hero */
  .hero-title { font-size: var(--font-size-4xl); }
  .hero-subtitle { font-size: var(--font-size-base); }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; max-width: 320px; }
  .hero-scroll-indicator { display: none; }

  /* About */
  .about-content { grid-template-columns: 1fr; gap: var(--spacing-2xl); }
  .about-image-wrapper img { height: 300px; }
  .about-features { grid-template-columns: 1fr; }

  /* Vision */
  .vm-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }

  /* Work */
  .work-grid { grid-template-columns: 1fr; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: var(--font-size-4xl); }

  /* Timeline */
  .timeline::before { left: 20px; }
  .timeline-item { padding-left: 60px; }
  .timeline-marker { left: 3px; width: 34px; height: 34px; font-size: 0.8rem; }

  /* Founders */
  .founders-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }

  /* Gallery */
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item-xl { grid-column: span 2; }

  /* Volunteer */
  .volunteer-benefits { grid-template-columns: repeat(2, 1fr); }
  .volunteer-form-wrapper { padding: var(--spacing-xl); }
  .form-row { grid-template-columns: 1fr; }

  /* Donate */
  .donate-upi { grid-template-columns: 1fr; }
  .upi-qr { order: -1; }
  .donate-card { padding: var(--spacing-xl); }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
  .contact-form-wrapper { padding: var(--spacing-xl); }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-2xl); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .map-embed { height: 280px; }
}

/* ===== Responsive — Mobile ===== */
@media (max-width: 480px) {
  :root {
    --font-size-5xl: 2.125rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --spacing-5xl: 3rem;
    --spacing-4xl: 2.5rem;
  }

  .container { padding: 0 var(--spacing-md); }
  .hero-title { font-size: var(--font-size-3xl); }
  .hero-subtitle { font-size: var(--font-size-sm); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-sm); }
  .stat-item { padding: var(--spacing-lg); }
  .stat-number { font-size: var(--font-size-3xl); }
  .founders-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-xl { grid-column: span 1; }
  .volunteer-benefits { grid-template-columns: 1fr; }
  .scroll-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1rem; }
}

/* ===== Reduced Motion ===== */
@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;
  }
}

/* ===== Focus ===== */
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

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

/* ===== AOS Overrides ===== */
/* AOS adds pointer-events: none during animation internally;
   no need for a global rule that blocks all animated elements. */

/* ================================================
   PAGE-SPECIFIC STYLES
   ================================================ */

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 76px;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: 1;
}
.page-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,0.4);
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.88) 0%, rgba(26,145,72,0.78) 100%);
  z-index: 2;
}
.page-hero-content {
  position: relative; z-index: 3;
  text-align: center;
  padding: var(--spacing-3xl) 0;
}
.page-hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--font-size-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 3px;
  color: #fff;
  background: rgba(255,255,255,0.12);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(255,255,255,0.15);
}
.page-hero-content h1 {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-md);
}
.page-hero-content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--color-bg-alt);
}
.cta-card {
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-2xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  max-width: 800px;
  margin: 0 auto;
}
.cta-icon {
  font-size: 3.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-lg);
}
.cta-card h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}
.cta-card p {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}
.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--font-size-base);
}

/* ===== Timeline CTA ===== */
.timeline-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* ===== Project Details (Projects page) ===== */
.projects-page-grid {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2xl);
}
.featured-project .project-card-image {
  height: 240px;
}
.project-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--spacing-lg);
}
.project-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.project-detail i {
  color: var(--color-primary);
  width: 16px;
}

/* ===== Founders Page Grid ===== */
.founders-page-grid {
  max-width: 900px;
  margin: 0 auto;
}

/* ===== Gallery Page Grid ===== */
.gallery-page-grid {
  grid-template-columns: repeat(3, 1fr);
}
.gallery-page-grid .gallery-item-xl {
  grid-column: span 2;
  grid-row: span 2;
}

/* ===== About Preview ===== */
.about-preview {
  background: var(--color-bg);
}

/* ===== Responsive fixes for new pages ===== */
@media (max-width: 768px) {
  .page-hero { min-height: 35vh; margin-top: 76px; }
  .page-hero-content h1 { font-size: var(--font-size-3xl); }
  .page-hero-content p { font-size: var(--font-size-base); }
  .cta-card { padding: var(--spacing-2xl); }
  .cta-card h2 { font-size: var(--font-size-2xl); }
  .projects-page-grid { grid-template-columns: 1fr; }
  .gallery-page-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-page-grid .gallery-item-xl { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 480px) {
  .page-hero { min-height: 30vh; }
  .gallery-page-grid { grid-template-columns: 1fr; }
  .gallery-page-grid .gallery-item-xl { grid-column: span 1; }
}