html {
  scroll-behavior: smooth;
}

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

:root {
  --green: #00AD55;
  --green-dark: #009548;
  --bg: #F8FBF9;
  --text: #1A1A2E;
  --text-secondary: #6B7280;
  --card: #FFFFFF;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

header {
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 10px;
  background: rgba(0,173,85,0.06);
  border: 1px solid rgba(0,173,85,0.12);
  transition: all 0.2s ease;
}

.back-home:hover {
  background: rgba(0,173,85,0.12);
  border-color: rgba(0,173,85,0.25);
  text-decoration: none;
  transform: translateY(-1px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo span {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 32px 60px;
  width: 100%;
  flex: 1;
}

h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
  color: var(--text);
}

.last-updated {
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 32px;
}

section {
  margin-bottom: 28px;
}

h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-top: 16px;
  margin-bottom: 6px;
}

p, ul {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  letter-spacing: -0.2px;
  margin-bottom: 10px;
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 4px;
}

a {
  color: var(--green);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
}

strong {
  font-weight: 600;
  color: var(--text);
}

/* FAQ specific */
.faq-item {
  background: var(--card);
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.06);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-question:hover {
  background: rgba(0,173,85,0.03);
}

.faq-question .arrow {
  font-size: 18px;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 16px;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-answer p {
  margin: 0;
}

/* Contact cards */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.contact-card {
  background: var(--card);
  border-radius: 14px;
  padding: 20px;
  border: 1px solid rgba(0,0,0,0.06);
  text-align: center;
}

.contact-card .emoji {
  font-size: 28px;
  margin-bottom: 10px;
}

.contact-card h3 {
  margin-top: 0;
  font-size: 16px;
}

.contact-card p {
  margin-bottom: 0;
  font-size: 14px;
}

/* Back to top */
.back-top {
  display: block;
  text-align: center;
  padding: 14px;
  color: var(--green);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.2px;
}

.back-top:hover {
  text-decoration: none;
  opacity: 0.8;
}

/* Footer */
footer {
  padding: 32px;
  text-align: center;
  border-top: 1px solid rgba(0,0,0,0.05);
  margin-top: auto;
}

.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--green);
  text-decoration: none;
}

.footer-copy {
  font-size: 12px;
  color: #9CA3AF;
}

/* Responsive */
@media (max-width: 640px) {
  header { padding: 16px 20px; }
  main { padding: 0 20px 40px; }
  footer { padding: 24px 20px; }
  .footer-links { gap: 14px; }
  .contact-cards { grid-template-columns: 1fr; }
}