:root {
  --primary-color: #2e7d32;
  --primary-hover: #1b5e20;
  --primary-light: #e8f5e9;
  --bg-color: #f8faf8;
  --card-bg: #ffffff;
  --text-color: #1a252c;
  --text-muted: #576574;
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(46, 125, 50, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-color);
  text-decoration: none;
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.85;
}

.logo img {
  border-radius: 8px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-right a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.nav-right a:hover {
  color: var(--primary-color);
}

.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #1b5e20 0%, #2e7d32 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary,
.btn-secondary {
  padding: 14px 28px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(46, 125, 50, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
}

.btn-secondary {
  background-color: #edf2f7;
  color: var(--text-color);
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  color: var(--primary-hover);
}

.preview-container {
  margin-top: 24px;
}

.hero-screenshot {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.hero-screenshot:hover {
  transform: translateY(-4px);
}

.features {
  padding: 80px 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.card {
  background: var(--card-bg);
  padding: 36px 28px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(46, 125, 50, 0.2);
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.privacy-content {
  padding: 60px 24px;
  max-width: 840px;
}

.privacy-section h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.last-updated {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.privacy-body h2 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.privacy-body p {
  margin-bottom: 16px;
  color: var(--text-color);
}

.privacy-body ul {
  margin-left: 24px;
  margin-bottom: 28px;
}

.privacy-body li {
  margin-bottom: 12px;
  color: var(--text-color);
}

.privacy-body code {
  background: #edf2f7;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: monospace;
}

footer {
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--border-color);
  background: #ffffff;
}

footer p {
  margin-bottom: 8px;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

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

/* Classe utilitária para centralização de texto e elementos flex */
.text-center {
  text-align: center;
}

/* Ajustes na Seção de Apoio */
.support-section {
  padding: 60px 0;
  background-color: #ffffff;
  border-top: 1px solid #e0e0e0;
}

.support-section h2 {
  color: var(--primary-color);
  margin-bottom: 12px;
  text-align: center;
}

.support-section p {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 30px;
  text-align: center;
}

/* Centralização da Grade de Cartões */
.support-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.support-card {
  flex: 1 1 300px;
  max-width: 360px;
  background: var(--bg-color);
  padding: 24px;
  border-radius: var(--border-radius);
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.support-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

/* Centralização do Campo do PIX */
.pix-box {
  display: flex;
  gap: 8px;
  margin-top: 15px;
  width: 100%;
  max-width: 300px;
}

.pix-box input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  font-size: 0.85rem;
  background: #fff;
  text-align: center;
}

.pix-box button {
  padding: 10px 16px;
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.pix-box button:hover {
  background-color: var(--primary-hover);
}

.copy-success {
  display: block;
  font-size: 0.8rem;
  color: var(--primary-color);
  margin-top: 8px;
  font-weight: 600;
}

.btn-coffee {
  display: inline-block;
  margin-top: 15px;
  background-color: #ffdd00;
  color: #000;
  font-weight: bold;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: transform 0.2s;
}

.btn-coffee:hover {
  transform: translateY(-2px);
}