/* =============================================
   WAIT – We Act In Togetherness
   styles.css — Main Stylesheet
   ============================================= */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Color Palette (Bangladesh flag inspired – elegant) */
  --green-dark:   #0f3d26;
  --green-mid:    #1a6b3e;
  --green-main:   #2d9e5f;
  --green-light:  #4dc47d;
  --green-pale:   #e8f5ee;

  --red-dark:     #8b1a1a;
  --red-main:     #c0392b;
  --red-light:    #e74c3c;
  --red-pale:     #fdf0ee;

  --white:        #ffffff;
  --off-white:    #f8fafb;
  --grey-light:   #f0f4f8;
  --grey-mid:     #d1d9e0;
  --grey-text:    #6b7a8d;
  --dark:         #1a202c;
  --dark-mid:     #2d3748;

  /* Typography */
  --font-main: 'Poppins', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-max: 1200px;

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.16);
  --shadow-green: 0 8px 32px rgba(45,158,95,0.25);
  --shadow-red:   0 8px 32px rgba(192,57,43,0.25);
  --shadow-red-hover: 0 12px 32px rgba(192,57,43,0.45);
  --green-main-border-fade: rgba(45,158,95,0.2);

  /* Transitions */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

body.loading {
  overflow: hidden;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--grey-light); }
::-webkit-scrollbar-thumb { background: var(--green-main); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--green-mid); }

/* ===== UTILITY ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.hide-mobile { display: inline; }

/* ===== LOADER ===== */
.loader-overlay {
  position: fixed;
  inset: 0;
  background: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.loader-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

.loader-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255,255,255,0.2);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-text {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4);
  transition: border-color var(--transition);
}

.navbar.scrolled .logo-img {
  border-color: var(--green-main);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
  transition: color var(--transition);
}

.navbar.scrolled .logo-text {
  color: var(--green-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  color: rgba(255,255,255,0.92);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.15);
}

.navbar.scrolled .nav-link {
  color: var(--dark-mid);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
  color: var(--green-main);
  background: var(--green-pale);
}

.btn-donate-nav {
  background: var(--red-main);
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  display: inline-flex;
  align-items: center;
}

.btn-donate-nav:hover {
  background: var(--red-dark) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-red);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.bar {
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: transform 0.3s ease, opacity 0.3s ease;
  display: block;
}

.navbar.scrolled .bar {
  background: var(--dark);
}

.hamburger.open .bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.mobile-menu.open {
  max-height: 600px;
  padding: 12px 0 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.mobile-nav-link {
  color: var(--dark-mid);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 24px;
  display: block;
  border-bottom: 1px solid var(--grey-light);
  transition: color var(--transition), background var(--transition);
}

.mobile-nav-link:hover {
  color: var(--green-main);
  background: var(--green-pale);
}

.btn-donate-mobile {
  display: block;
  margin: 16px 24px 0;
  text-align: center;
  background: var(--red-main);
  color: var(--white);
  padding: 14px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background var(--transition);
}

.btn-donate-mobile:hover {
  background: var(--red-dark);
}

/* ===== HERO SECTION ===== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, #0a2e18 0%, #1a6b3e 40%, #2d9e5f 70%, #c0392b 100%);
  transform-origin: center;
  will-change: transform;
}

/* Subtle animated background pattern */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3Ccircle cx='30' cy='30' r='10'/%3E%3C/g%3E%3C/svg%3E") repeat;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,46,24,0.3) 0%, rgba(10,46,24,0.5) 100%);
}

/* Particles */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  animation: floatParticle linear infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.92);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease 0.2s both;
}

.hero-badge i {
  color: #ff6b6b;
  animation: heartbeat 1.5s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
  animation: fadeInUp 0.9s ease 0.3s both;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero-highlight {
  color: #7fffc4;
  position: relative;
  display: inline-block;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, #7fffc4, transparent);
  border-radius: var(--radius-full);
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  font-weight: 300;
  line-height: 1.7;
  animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 1s ease 0.5s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--red-main);
  color: var(--white);
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 32px rgba(192,57,43,0.4);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(192,57,43,0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 2px solid rgba(255,255,255,0.5);
  color: var(--white);
  padding: 14px 34px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-3px);
}

/* Hero Stats Row */
.hero-stats-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.7s both;
}

.hero-stat-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 16px 28px;
  border-radius: var(--radius-md);
  min-width: 120px;
}

.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #7fffc4;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.75);
  font-weight: 400;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 1px;
  animation: fadeIn 1.5s ease 1s both;
  z-index: 2;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 4px;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.6);
  border-radius: var(--radius-full);
  animation: scrollWheel 1.5s ease-in-out infinite;
}

/* ===== SECTION STYLES ===== */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-mid);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--grey-text);
  max-width: 560px;
  margin: 0 auto;
}

/* Light section header variants */
.section-header-light { text-align: center; margin-bottom: 64px; }
.section-tag-light {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title-light {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}
.section-subtitle-light {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
.about-section {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-placeholder {
  background: linear-gradient(135deg, var(--green-pale) 0%, #c8f5db 100%);
  border-radius: var(--radius-xl);
  height: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-green);
}

.about-image-placeholder::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(45,158,95,0.12);
}

.about-image-placeholder::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(192,57,43,0.08);
}

.about-icon-large {
  font-size: 6rem;
  color: var(--green-main);
  opacity: 0.7;
  position: relative;
  z-index: 1;
}

.about-badge-float {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--green-dark);
  z-index: 2;
}

.about-badge-float i {
  color: var(--green-main);
}

.about-subtitle {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 14px;
}

.about-subtitle::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--green-main), var(--red-main));
  border-radius: var(--radius-full);
}

.about-paragraph {
  color: var(--grey-text);
  margin-bottom: 16px;
  line-height: 1.8;
  font-size: 0.9375rem;
}

.about-paragraph strong {
  color: var(--green-mid);
  font-weight: 600;
}

/* Mission & Vision Cards */
.mv-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.mv-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--off-white);
  border-radius: var(--radius-md);
  padding: 20px;
  border-left: 4px solid var(--green-main);
  transition: transform var(--transition), box-shadow var(--transition);
}

.mv-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.mv-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--green-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-mid);
  font-size: 1.125rem;
}

.mv-card h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.mv-card p {
  font-size: 0.875rem;
  color: var(--grey-text);
  line-height: 1.6;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-pale);
  color: var(--green-mid);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
}

.trust-badge i {
  font-size: 0.875rem;
}

/* ===== WORK SECTION ===== */
.work-section {
  background: var(--grey-light);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.work-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  cursor: default;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.work-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--green-main), var(--green-light));
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}

.work-card:hover::before,
.work-card:focus::before {
  transform: scaleX(1);
}

.work-card:hover,
.work-card:focus {
  transform: translateY(-8px);
  box-shadow: var(--shadow-green);
  outline: none;
}

.work-card-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--green-pale), #c8f5db);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--green-mid);
  transition: background var(--transition), transform var(--transition);
}

.work-card:hover .work-card-icon,
.work-card:focus .work-card-icon {
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  color: var(--white);
  transform: scale(1.1) rotate(-5deg);
}

.work-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.work-card-desc {
  font-size: 0.875rem;
  color: var(--grey-text);
  line-height: 1.7;
  margin-bottom: 20px;
}

.work-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green-main);
  font-size: 0.875rem;
  font-weight: 600;
  transition: gap var(--transition);
}

.work-card:hover .work-card-link,
.work-card:focus .work-card-link {
  gap: 10px;
}

/* ===== IMPACT SECTION ===== */
.impact-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 50%, #1a5c38 100%);
  position: relative;
  overflow: hidden;
}

.impact-bg-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='rgba(255,255,255,0.03)'%3E%3Crect x='0' y='0' width='40' height='40'/%3E%3Crect x='40' y='40' width='40' height='40'/%3E%3C/g%3E%3C/svg%3E") repeat;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}

.impact-card {
  text-align: center;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  transition: background var(--transition), transform var(--transition);
}

.impact-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-6px);
}

.impact-icon {
  font-size: 2rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}

.impact-counter {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  display: inline;
}

.impact-plus,
.impact-unit {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 800;
  color: #7fffc4;
  display: inline;
}

.impact-label {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.75);
  margin-top: 12px;
  font-weight: 400;
}

/* ===== GALLERY SECTION ===== */
.gallery-section {
  background: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 240px;
  gap: 16px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.gallery-large {
  grid-column: span 2;
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-placeholder {
  transform: scale(1.06);
}

.gallery-icon {
  font-size: 3rem;
  color: rgba(255,255,255,0.7);
}

.gallery-placeholder span {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay p {
  color: var(--white);
  font-weight: 600;
  font-size: 0.9375rem;
}

/* ===== GET INVOLVED SECTION ===== */
.involved-section {
  background: var(--grey-light);
}

.involved-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* Donate Card */
.donate-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.donate-card-header {
  text-align: center;
  margin-bottom: 32px;
}

.donate-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #ffeaea, #ffe0dc);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--red-main);
}

.donate-card-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.donate-card-header p {
  font-size: 0.9375rem;
  color: var(--grey-text);
}

.amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.amount-btn {
  padding: 12px;
  border: 2px solid var(--grey-mid);
  background: var(--white);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-mid);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.amount-btn:hover,
.amount-btn.active {
  border-color: var(--red-main);
  background: var(--red-pale);
  color: var(--red-main);
}

.custom-amount {
  margin-bottom: 24px;
}

.custom-amount label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-mid);
  margin-bottom: 8px;
}

.custom-amount input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--grey-mid);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color var(--transition);
  color: var(--dark);
}

.custom-amount input:focus {
  border-color: var(--red-main);
}

.btn-donate-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--red-main), var(--red-dark));
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-main);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  margin-bottom: 16px;
  box-shadow: var(--shadow-red);
}

.btn-donate-main:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(192,57,43,0.4);
}

.donate-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--grey-text);
}

.donate-note i {
  color: var(--green-main);
}

/* Volunteer Card */
.volunteer-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.volunteer-card-header {
  text-align: center;
  margin-bottom: 32px;
}

.volunteer-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--green-pale), #c8f5db);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--green-mid);
}

.volunteer-card-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.volunteer-card-header p {
  font-size: 0.9375rem;
  color: var(--grey-text);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark-mid);
  margin-bottom: 8px;
}

.form-group label span {
  color: var(--red-main);
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--grey-text);
  font-size: 0.9375rem;
  pointer-events: none;
}

.input-wrapper input {
  padding-left: 42px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--grey-mid);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color var(--transition);
  color: var(--dark);
  background: var(--white);
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green-main);
}

.form-error {
  display: block;
  font-size: 0.8125rem;
  color: var(--red-main);
  margin-top: 4px;
  min-height: 18px;
}

.btn-volunteer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--green-main), var(--green-mid));
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-main);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-green);
}

.btn-volunteer:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.form-success, .contact-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: var(--green-pale);
  border-radius: var(--radius-md);
  border: 1px solid #b8e8cb;
  margin-top: 16px;
}

.form-success i, .contact-success i {
  font-size: 1.5rem;
  color: var(--green-main);
}

.form-success p, .contact-success p {
  font-size: 0.9375rem;
  color: var(--green-dark);
  font-weight: 600;
}

.form-error-msg {
  background: var(--red-pale) !important;
  border-color: #f5b7b1 !important;
}

.form-error-msg i {
  color: var(--red-main) !important;
}

.form-error-msg p {
  color: var(--red-dark) !important;
}

.form-error-msg a {
  color: var(--red-main);
  font-weight: 700;
}

.donate-paypal-info {
  text-align: center;
  color: var(--grey-text);
  font-size: 0.9375rem;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: var(--grey-light);
  border-radius: var(--radius-md);
}

/* Form Row */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-icon-wrap {
  width: 52px;
  height: 52px;
  min-width: 52px;
  background: var(--green-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--green-mid);
}

.contact-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.contact-item a {
  color: var(--green-main);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.contact-item a:hover {
  color: var(--green-dark);
}

.contact-item p {
  font-size: 0.9375rem;
  color: var(--grey-text);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--green-pale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-mid);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.social-link:hover {
  background: var(--green-main);
  color: var(--white);
  transform: translateY(-3px);
}

.contact-form-wrapper {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.btn-contact-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--green-main), var(--green-mid));
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-main);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-green);
}

.btn-contact-submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.8);
  position: relative;
}

.footer-wave {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.footer-wave svg {
  display: block;
  width: 100%;
  height: 60px;
}

.footer-main {
  padding: 100px 0 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-bottom: 8px;
}

.footer-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.footer-social-link:hover {
  background: var(--green-main);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 6px;
}

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
}

.footer-contact-item i {
  color: var(--green-light);
  margin-top: 2px;
  font-size: 0.9375rem;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition);
}

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

.btn-footer-donate {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red-main);
  color: var(--white);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.btn-footer-donate:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
}

.footer-bottom-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

.footer-love {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

.heart-icon {
  display: inline-block;
  animation: heartbeat 1.5s ease-in-out infinite;
}

/* ===== ANGEL DONORS SECTION ===== */
.donors-section {
  background: var(--off-white);
}

.donors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.donor-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--grey-light);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.donor-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--green-main), var(--green-light));
  border-radius: 4px 0 0 4px;
}

.donor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
  border-color: var(--green-main-border-fade);
}

.donor-avatar {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: linear-gradient(135deg, var(--green-pale), #c8f5db);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--green-mid);
  flex-shrink: 0;
}

.donor-info {
  flex: 1;
  min-width: 0;
}

.donor-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.donor-country {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
  color: var(--grey-text);
}

.donor-country i {
  color: var(--red-main);
  font-size: 0.75rem;
}

.donor-angel-badge {
  width: 28px;
  height: 28px;
  min-width: 28px;
  background: linear-gradient(135deg, #f9d423, #f0a500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(240, 165, 0, 0.4);
}

/* Angel Donors CTA Banner */
.donors-cta {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 100%);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  box-shadow: var(--shadow-green);
}

.donors-cta-content {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.donors-cta-icon {
  font-size: 2.5rem;
  color: #ff6b6b;
  flex-shrink: 0;
  animation: heartbeat 1.5s ease-in-out infinite;
}

.donors-cta-content > div {
  flex: 1;
  min-width: 0;
}

.donors-cta-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.donors-cta-content p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
}

.btn-become-donor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red-main);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-red);
}

.btn-become-donor:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-red-hover);
}

/* Responsive: Angel Donors */
@media (max-width: 1024px) {
  .donors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .donors-cta {
    padding: 28px 24px;
  }

  .donors-cta-content {
    flex-direction: column;
    text-align: center;
  }

  .btn-become-donor {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .donors-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--green-main);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: var(--shadow-green);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 500;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--green-mid);
  transform: translateY(-4px);
}

/* ===== ANIMATIONS ===== */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.85; }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.2); }
  28% { transform: scale(1); }
  42% { transform: scale(1.15); }
  56% { transform: scale(1); }
}

@keyframes floatParticle {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scrollWheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(8px); opacity: 0.4; }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Large Tablet */
@media (max-width: 1024px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .about-grid {
    gap: 40px;
  }
}

/* Tablet */
@media (max-width: 768px) {
  :root {
    --section-padding: 72px 0;
  }

  /* Nav */
  .nav-links { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hide-mobile { display: none; }

  .hero-stats-row {
    gap: 10px;
  }

  .hero-stat-badge {
    padding: 12px 18px;
    min-width: 100px;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image-placeholder {
    height: 280px;
  }

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

  /* Impact */
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
  }

  .gallery-large {
    grid-column: span 1;
  }

  /* Involved */
  .involved-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-main {
    padding: 80px 0 48px;
  }

  /* Form row */
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --section-padding: 56px 0;
  }

  .container {
    padding: 0 16px;
  }

  /* Hero */
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .hero-stats-row {
    flex-direction: column;
    align-items: center;
  }

  .hero-stat-badge {
    width: 100%;
    max-width: 200px;
  }

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

  /* Impact */
  .impact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .impact-card {
    padding: 28px 16px;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .gallery-large {
    grid-column: span 1;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom-grid {
    flex-direction: column;
    text-align: center;
  }

  /* Cards */
  .donate-card,
  .volunteer-card,
  .contact-form-wrapper {
    padding: 28px 20px;
  }

  /* Trust badges */
  .trust-badges {
    gap: 8px;
  }

  /* Amount grid */
  .amount-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Back to top */
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}