/* ========================================
   NayePankh Foundation — Design System
   ======================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ---------- CSS Variables (Light Mode) ---------- */
:root {
  /* Brand Colors */
  --primary: #E8622C;
  --primary-light: #FF8A5C;
  --primary-dark: #C14A1A;
  --secondary: #1A2744;
  --secondary-light: #2B3E5E;
  --accent: #10B981;
  --accent-light: #34D399;

  /* Neutrals */
  --bg-primary: #FAFBFE;
  --bg-secondary: #F1F3F8;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.7);
  --text-primary: #1A1D26;
  --text-secondary: #5A6178;
  --text-muted: #8E95A9;
  --border: #E2E6EF;
  --border-light: #F0F2F7;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 39, 68, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 39, 68, 0.08);
  --shadow-lg: 0 8px 32px rgba(26, 39, 68, 0.12);
  --shadow-xl: 0 16px 48px rgba(26, 39, 68, 0.16);
  --shadow-glow: 0 0 40px rgba(232, 98, 44, 0.15);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --nav-height: 72px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
  --bg-primary: #0D1117;
  --bg-secondary: #161B22;
  --bg-card: #1C2333;
  --bg-glass: rgba(28, 35, 51, 0.8);
  --text-primary: #F0F2F8;
  --text-secondary: #A0A8BE;
  --text-muted: #6B7394;
  --border: #2A3346;
  --border-light: #1E2736;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(232, 98, 44, 0.2);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background var(--transition-smooth), color var(--transition-smooth);
}

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

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

ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

/* ---------- Utility Classes ---------- */
.section { padding: var(--section-padding); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(232, 98, 44, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 98, 44, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: 14px 16px;
}

.btn-ghost:hover { background: rgba(232, 98, 44, 0.08); }

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: all var(--transition-smooth);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
}

.nav-brand .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(232, 98, 44, 0.06);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(30deg);
}

/* Mobile menu button */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) { opacity: 0; }

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 98, 44, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(232, 98, 44, 0.08);
  border: 1px solid rgba(232, 98, 44, 0.15);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 520px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 50px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

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

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-stat .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease 0.3s both;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
}

.hero-image-wrapper .floating-card {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: float 4s ease-in-out infinite;
  z-index: 2;
}

.floating-card.card-1 {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.floating-card.card-2 {
  bottom: 15%;
  left: -5%;
  animation-delay: 1.5s;
}

.floating-card .card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.floating-card .card-icon.orange {
  background: rgba(232, 98, 44, 0.12);
  color: var(--primary);
}

.floating-card .card-icon.green {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
}

.floating-card .card-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}

.floating-card .card-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hero-blob {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: linear-gradient(135deg, rgba(232,98,44,0.1), rgba(16,185,129,0.1));
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: morphBlob 8s ease-in-out infinite;
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-smooth);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 98, 44, 0.2);
}

.card-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card-icon-box.orange {
  background: linear-gradient(135deg, rgba(232,98,44,0.1), rgba(232,98,44,0.05));
  color: var(--primary);
}

.card-icon-box.green {
  background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(16,185,129,0.05));
  color: var(--accent);
}

.card-icon-box.blue {
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(59,130,246,0.05));
  color: #3B82F6;
}

.card-icon-box.purple {
  background: linear-gradient(135deg, rgba(139,92,246,0.1), rgba(139,92,246,0.05));
  color: #8B5CF6;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ---------- Grid Layouts ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* ---------- Impact Counter Section ---------- */
.impact-section {
  background: var(--bg-secondary);
  padding: 80px 0;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.impact-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

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

.impact-card .impact-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.impact-card .impact-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.impact-card .impact-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 20px;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 0 30px;
  max-width: 360px;
  transition: all var(--transition-smooth);
}

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

.timeline-content .year {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---------- Donation Calculator ---------- */
.calculator-section {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  padding: 80px 0;
  color: #fff;
}

.calculator-card {
  max-width: 700px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 48px;
}

.calculator-input-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 32px 0;
}

.calculator-input-group label {
  font-size: 1.1rem;
  font-weight: 600;
  white-space: nowrap;
}

.calculator-input-group input {
  flex: 1;
  padding: 16px 20px;
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  color: #fff;
  outline: none;
  transition: border-color var(--transition-fast);
}

.calculator-input-group input:focus {
  border-color: var(--primary);
}

.calculator-input-group input::placeholder {
  color: rgba(255,255,255,0.4);
}

.impact-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.impact-result-item {
  text-align: center;
  padding: 24px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
}

.impact-result-item:hover {
  background: rgba(255,255,255,0.1);
  transform: scale(1.03);
}

.impact-result-item .result-icon {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.impact-result-item .result-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-light);
}

.impact-result-item .result-text {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* ---------- Role Finder Quiz ---------- */
.quiz-section { padding: 100px 0; }

.quiz-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-lg);
}

.quiz-progress {
  display: flex;
  gap: 6px;
  margin-bottom: 32px;
}

.quiz-progress .progress-step {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  transition: background var(--transition-smooth);
}

.quiz-progress .progress-step.active {
  background: var(--primary);
}

.quiz-progress .progress-step.done {
  background: var(--accent);
}

.quiz-question {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.quiz-option:hover {
  border-color: var(--primary);
  background: rgba(232, 98, 44, 0.04);
}

.quiz-option.selected {
  border-color: var(--primary);
  background: rgba(232, 98, 44, 0.08);
}

.quiz-option .option-radio {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  position: relative;
}

.quiz-option.selected .option-radio {
  border-color: var(--primary);
}

.quiz-option.selected .option-radio::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--primary);
  border-radius: 50%;
}

.quiz-result {
  text-align: center;
  padding: 20px 0;
}

.quiz-result .result-role {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 16px 0 8px;
}

.quiz-result .result-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 500px;
  margin: 0 auto 24px;
}

/* ---------- AI Chat Widget ---------- */
.chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(232, 98, 44, 0.4);
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(232, 98, 44, 0.5);
}

.chat-toggle .badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  animation: pulse 2s infinite;
}

.chat-window {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 380px;
  height: 500px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.chat-window.open {
  display: flex;
}

.chat-header {
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-header .chat-avatar {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.chat-header .chat-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.chat-header .chat-info span {
  font-size: 0.75rem;
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 4px;
}

.chat-header .chat-info span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #4ADE80;
  border-radius: 50%;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-messages::-webkit-scrollbar {
  width: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.chat-message {
  display: flex;
  gap: 10px;
  max-width: 85%;
  animation: fadeInUp 0.3s ease;
}

.chat-message.bot { align-self: flex-start; }
.chat-message.user { align-self: flex-end; flex-direction: row-reverse; }

.chat-message .message-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.chat-message.bot .message-avatar {
  background: rgba(232, 98, 44, 0.1);
  color: var(--primary);
}

.chat-message.user .message-avatar {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent);
}

.chat-message .message-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.chat-message.bot .message-bubble {
  background: var(--bg-secondary);
  border-bottom-left-radius: 4px;
}

.chat-message.user .message-bubble {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
}

.chat-input-area input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.chat-input-area input:focus {
  border-color: var(--primary);
}

.chat-input-area button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.chat-input-area button:hover {
  transform: scale(1.05);
}

.chat-typing {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  align-self: flex-start;
}

.chat-typing span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typing 1.4s infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

/* ---------- Stories Grid ---------- */
.stories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.story-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.story-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.story-card .story-image {
  height: 200px;
  background: linear-gradient(135deg, rgba(232,98,44,0.1), rgba(16,185,129,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

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

.story-card .story-content {
  padding: 24px;
}

.story-card .story-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(232, 98, 44, 0.08);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 12px;
}

.story-card .story-content h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.story-card .story-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.story-card .read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.story-card .read-more:hover { gap: 10px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.8);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 320px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-column a {
  display: block;
  font-size: 0.88rem;
  padding: 6px 0;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
}

.footer-column a:hover {
  color: var(--primary-light);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 98, 44, 0.1);
}

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

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.6; transform: scale(1.2); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes morphBlob {
  0%   { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50%  { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

@keyframes typing {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50%      { opacity: 1; transform: scale(1); }
}

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

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll reveal animation class */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-description { margin: 0 auto 36px; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }

  .hero-visual { display: none; }

  .grid-4, .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root { --section-padding: 60px 0; }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.2rem;
    padding: 14px 24px;
  }

  .menu-toggle { display: flex; }

  .hero-title { font-size: 2.2rem; }

  .hero-stats { flex-direction: column; gap: 20px; }

  .grid-2, .grid-3, .stories-grid {
    grid-template-columns: 1fr;
  }

  .impact-grid, .impact-results {
    grid-template-columns: 1fr 1fr;
  }

  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 50px;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-item::before {
    left: 20px;
  }

  .chat-window {
    width: calc(100vw - 48px);
    right: -12px;
    height: 420px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .calculator-card { padding: 32px 24px; }

  .quiz-card { padding: 32px 24px; }
}

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

  .hero-title { font-size: 1.8rem; }

  .hero-buttons { flex-direction: column; }

  .calculator-input-group {
    flex-direction: column;
    align-items: stretch;
  }
}