* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: #1a1a2e;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid #e8f5e9;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #2e7d32;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #2e7d32;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #333;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
  padding-top: 70px;
}

.hero-content {
  text-align: center;
  max-width: 720px;
}

.badge {
  display: inline-block;
  background: #2e7d32;
  color: #fff;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.highlight {
  color: #2e7d32;
}

.hero p {
  font-size: 1.15rem;
  color: #555;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #2e7d32;
  color: #fff;
}

.btn-primary:hover {
  background: #1b5e20;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46, 125, 50, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #2e7d32;
  border: 2px solid #2e7d32;
}

.btn-secondary:hover {
  background: #2e7d32;
  color: #fff;
}

/* Sections */
.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-header p {
  color: #666;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

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

.stat-card {
  text-align: center;
  padding: 32px 16px;
  background: #f1f8e9;
  border-radius: 16px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: #2e7d32;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: #666;
  font-weight: 500;
}

/* Services */
.services {
  background: #f9fbe7;
}

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

.service-card {
  background: #fff;
  padding: 40px 24px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.service-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: #666;
}

/* Impact */
.impact {
  background: #2e7d32;
  color: #fff;
}

.impact .section-header h2,
.impact .section-header p {
  color: #fff;
}

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

.impact-card {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
  padding: 40px 24px;
  border-radius: 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.impact-card h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.impact-card p {
  font-size: 0.95rem;
  opacity: 0.85;
}

/* Contact */
.contact {
  background: #fff;
}

.contact-form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.3s;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #2e7d32;
}

.contact-form button {
  align-self: flex-start;
}

/* Footer */
.footer {
  background: #1b5e20;
  color: #fff;
  padding: 56px 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.footer-brand p {
  opacity: 0.8;
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 600;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact p {
  opacity: 0.75;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid #e8f5e9;
  }

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

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

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

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

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

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

  .section {
    padding: 64px 0;
  }
}

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

  .hero h1 {
    font-size: 1.75rem;
  }
}

/* ===== Auth Pages (Login / Register) ===== */
.auth-page {
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-container {
  width: 100%;
  max-width: 440px;
}

.auth-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

.auth-logo {
  display: block;
  text-align: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: #2e7d32;
  text-decoration: none;
  margin-bottom: 24px;
}

.auth-card h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.auth-sub {
  text-align: center;
  color: #888;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #333;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus {
  border-color: #2e7d32;
}

.btn-full {
  width: 100%;
  text-align: center;
  margin-top: 8px;
}

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
  color: #666;
}

.auth-footer a {
  color: #2e7d32;
  font-weight: 600;
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.alert-error {
  background: #fce4ec;
  color: #c62828;
  border: 1px solid #f8bbd0;
}

.alert-success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

/* Admin Table */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.admin-table th {
  background: #2e7d32;
  color: #fff;
  padding: 14px 16px;
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.admin-table td {
  padding: 12px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid #f0f0f0;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: #f9fbe7;
}

.badge-role {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-admin {
  background: #e8f5e9;
  color: #2e7d32;
}

.badge-user {
  background: #e3f2fd;
  color: #1565c0;
}

.btn-delete {
  display: inline-block;
  padding: 6px 16px;
  background: #e53935;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.3s;
}

.btn-delete:hover {
  background: #c62828;
}