/* Ledger Crypto Wallet - Multilingual Site */
:root {
  --color1: #07f3b2;
  --color2: #c4e676;
  --color3: #ac006f;
  --color4: #f6576d;
  --color5: #ffb681;
  --bg-dark: #0d1117;
  --bg-card: #161b22;
  --bg-section: #21262d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --border: #30363d;
  --radius: 12px;
  --radius-lg: 20px;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color1);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color2);
}

/* Layout */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color1);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 0.5rem 1.5rem;
  flex-wrap: wrap;
}

.nav-main a {
  color: var(--text);
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
}
.nav-main a:hover {
  color: var(--color1);
  background: rgba(7, 243, 178, 0.1);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lang-switcher a {
  padding: 0.4rem 0.65rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.lang-switcher a:hover,
.lang-switcher a.active {
  color: var(--color1);
  border-color: var(--color1);
  background: rgba(7, 243, 178, 0.08);
}

/* Hero / Page title block */
.hero-block {
  padding: 3rem 1.5rem;
  text-align: center;
  background: linear-gradient(160deg, var(--bg-section) 0%, var(--bg-dark) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-block h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  max-width: 800px;
  margin: 0 auto 0.75rem;
  color: var(--text);
}

.hero-block .lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* Content sections */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.content-block {
  margin-bottom: 3rem;
}

.content-block h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color2);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color3);
}

.content-block h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color5);
  margin: 1.5rem 0 0.75rem;
}

.content-block p {
  margin-bottom: 1rem;
  color: var(--text);
}

.content-block ul, .content-block ol {
  margin: 0 0 1rem 1.5rem;
  color: var(--text);
}

.content-block li {
  margin-bottom: 0.4rem;
}

/* Cards / alternating blocks */
.card-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-block h3 {
  margin-top: 0;
  color: var(--color4);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-section);
  color: var(--color1);
  font-weight: 600;
}

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

tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* Images in content - not too big */
.content-block .img-wrap {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  max-width: 520px;
}

.content-block .img-wrap img {
  width: 100%;
  height: auto;
  loading: lazy;
}

/* FAQ */
.faq-block {
  margin-top: 2rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  color: var(--color1);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item .faq-answer {
  padding: 0 1.25rem 1rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.faq-item .faq-answer p {
  margin: 0.75rem 0 0;
}

.faq-item .faq-answer p:first-child {
  margin-top: 0.5rem;
}

/* Footer */
.site-footer {
  background: var(--bg-section);
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  margin-top: 3rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.footer-menu a {
  color: var(--text-muted);
  font-weight: 500;
}

.footer-menu a:hover {
  color: var(--color1);
}

.footer-lang {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-lang a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-lang a:hover {
  color: var(--color1);
}

.footer-copy {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Utility */
.color1 { color: var(--color1); }
.color2 { color: var(--color2); }
.color3 { color: var(--color3); }
.color4 { color: var(--color4); }
.color5 { color: var(--color5); }

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-main {
    width: 100%;
  }

  .hero-block {
    padding: 2rem 1rem;
  }

  .main-content {
    padding: 1.5rem 1rem 3rem;
  }

  th, td {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }

  .footer-menu {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .content-block h2 {
    font-size: 1.3rem;
  }

  .content-block h3 {
    font-size: 1.1rem;
  }
}