@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --blue: #007AFF;
  --blue-light: #E8F2FF;
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --bg: #FAFBFC;
  --card-bg: #FFFFFF;
  --border: #E5E7EB;
  --radius: 16px;
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.85);
}

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

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

.nav-brand .icon {
  width: 32px;
  height: 32px;
  background: var(--blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.nav-brand span {
  font-weight: 700;
  font-size: 18px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 24px;
}

nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: var(--blue);
}

/* Hero */
.hero {
  text-align: center;
  padding: 64px 0 48px;
}

.hero h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.hero p {
  color: var(--text-secondary);
  font-size: 16px;
}

.hero .badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

/* Content Card */
.content-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  margin-bottom: 40px;
}

.content-card h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 12px;
  color: var(--text);
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 15px;
}

.content-card ul {
  margin: 0 0 16px 20px;
  color: var(--text-secondary);
  font-size: 15px;
}

.content-card li {
  margin-bottom: 8px;
}

.content-card strong {
  color: var(--text);
}

/* Support Page Specific */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 40px 0;
}

.support-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.support-card:hover {
  border-color: var(--blue);
  box-shadow: 0 4px 24px rgba(0,122,255,0.08);
}

.support-card .card-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 22px;
}

.support-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.support-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
}

.support-card a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 0;
  color: var(--text-secondary);
  font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

footer a:hover {
  color: var(--blue);
}

footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 12px;
}

/* Responsive */
@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
  .content-card { padding: 28px 20px; }
  .support-grid { grid-template-columns: 1fr; }
  nav ul { gap: 16px; }
  nav a { font-size: 13px; }
}