/* Variáveis e Design System */
:root {
  --primary-color: #10b981; /* Emerald/Verde */
  --primary-hover: #059669;
  --bg-top: #ffffff;
  --bg-bottom: #f8f9fa;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.025);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background: linear-gradient(to bottom, var(--bg-top) 0%, var(--bg-top) 350px, var(--bg-bottom) 350px, var(--bg-bottom) 100%);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 50px 0 30px;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 8px;
  letter-spacing: -0.025em;
}

.logo {
  max-width: 150px;
  height: auto;
  margin-bottom: 15px;
}

.hero .meta {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.current-amount {
  color: var(--primary-color);
  font-weight: 800;
  transition: var(--transition);
  display: inline-block;
}

.current-amount.pulse {
  animation: pulse-amt 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pulse-amt {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); color: var(--primary-hover); }
  100% { transform: scale(1); }
}

/* História / Caixa Explicativa */
.story-box {
  max-width: 800px;
  margin: 0 auto 50px;
  background-color: #f1f5f9;
  border-left: 6px solid var(--primary-color);
  border-radius: 4px 12px 12px 4px;
  padding: 24px 30px;
  text-align: left;
  box-shadow: var(--shadow-sm);
}

.story-box h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.story-box p {
  font-size: 0.975rem;
  color: #334155;
  font-weight: 400;
}

/* Seção de Cotas */
.selection-section {
  text-align: center;
  padding-bottom: 80px;
}

.section-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 25px;
}

/* Grid de Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 10px;
}

/* Card de Contribuição */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px 16px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

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

.card:active {
  transform: translateY(-1px);
}

.card-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.card-quota {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Campos de Formulário */
.form-group {
  margin-bottom: 16px;
  text-align: left;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: #f8f9fa;
  transition: var(--transition);
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}
.submit-btn {
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 14px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 10px;
}
.submit-btn:hover {
  background: var(--primary-hover);
}
.submit-btn:active {
  transform: scale(0.98);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1000;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: #ffffff;
  border-radius: 20px;
  width: 100%;
  max-width: 480px;
  padding: 35px 30px;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #f1f5f9;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.close-btn:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.modal-header {
  text-align: center;
  margin-bottom: 25px;
}

.modal-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.modal-header span {
  display: inline-block;
  margin-top: 10px;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-color);
}

.pix-details {
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 25px;
}

.pix-field {
  margin-bottom: 12px;
}

.pix-field:last-child {
  margin-bottom: 0;
}

.pix-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.pix-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  word-break: break-all;
}

.key-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.key-value {
  background: #e2e8f0;
  padding: 8px 12px;
  border-radius: 6px;
  font-family: monospace;
  font-size: 0.85rem;
  word-break: break-all;
  flex-grow: 1;
}

.copy-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.copy-btn:hover {
  background: var(--primary-hover);
}

.copy-btn:active {
  transform: scale(0.97);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1e293b;
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1100;
  pointer-events: none;
}

.toast.active {
  transform: translateX(-50%) translateY(0);
}

/* Footer */
footer {
  margin-top: auto;
  text-align: center;
  padding: 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background: #ffffff;
}

/* Responsividade */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero .meta {
    flex-direction: column;
    gap: 0;
  }
  .hero .meta-separator {
    display: none;
  }
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
  }
  .card {
    padding: 18px 12px;
  }
  .card-value {
    font-size: 1.05rem;
  }
  .modal {
    padding: 25px 20px;
    margin: 15px;
  }
}

/* Estilos novos */
.learn-more-btn {
  background: none;
  border: none;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  padding: 0;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: underline;
  transition: var(--transition);
}
.learn-more-btn:hover {
  color: var(--primary-hover);
}
.additional-story {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, margin-top 0.3s ease-out;
  margin-top: 0;
}
.additional-story.active {
  max-height: 1500px;
  margin-top: 12px;
}
.form-group.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  margin-bottom: 20px;
}
.form-group.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--primary-color);
}
.form-group.checkbox-group label {
  margin-bottom: 0;
  cursor: pointer;
  user-select: none;
  font-weight: 500;
  color: var(--text-main);
}
.card.disabled {
  pointer-events: none;
  opacity: 0.6;
  border-color: #cbd5e1;
  background: #f8fafc;
  transform: none !important;
  box-shadow: none !important;
}
.card.disabled::after {
  display: none;
}
.card-status {
  position: absolute;
  top: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  color: #b91c1c;
  background: #fee2e2;
  padding: 2px 8px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.submit-btn:disabled {
  background-color: #cbd5e1;
  color: #94a3b8;
  cursor: not-allowed;
  transform: none !important;
}