/* Ledger Crypto Wallet — Neon theme, responsive */
:root {
  --color1: #6dffa0;
  --color2: #fffb71;
  --color3: #a60593;
  --color4: #ff4095;
  --color5: #ffc1b4;
  --bg-dark: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --text: #e8e8f0;
  --text-muted: #9898a8;
  --border: rgba(109, 255, 160, 0.2);
  --glow1: rgba(109, 255, 160, 0.3);
  --glow2: rgba(255, 251, 113, 0.25);
  --glow3: rgba(166, 5, 147, 0.35);
  --glow4: rgba(255, 64, 149, 0.3);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Consolas', 'Monaco', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-neon: 0 0 20px var(--glow1), 0 0 40px rgba(109, 255, 160, 0.1);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color1);
  text-shadow: 0 0 20px var(--glow1);
  margin: 0 0 1rem;
  line-height: 1.25;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  color: var(--color2);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.25rem);
  color: var(--color5);
  margin: 1.5rem 0 0.75rem;
}

p {
  margin: 0 0 1rem;
  color: var(--text);
}

a {
  color: var(--color1);
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

a:hover {
  color: var(--color2);
  text-shadow: 0 0 12px var(--glow2);
}

/* Layout */
.site-header {
  background: linear-gradient(180deg, rgba(10,10,15,0.98) 0%, rgba(10,10,15,0.9) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color1);
  text-shadow: 0 0 12px var(--glow1);
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.nav-menu a:hover {
  background: rgba(109, 255, 160, 0.1);
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-switcher a {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  border: 1px solid var(--border);
}

.lang-switcher a:hover {
  border-color: var(--color1);
  background: rgba(109, 255, 160, 0.08);
}

main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

/* Content blocks */
.hero {
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 72ch;
}

.content-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.content-block:hover {
  border-color: rgba(109, 255, 160, 0.35);
  box-shadow: var(--shadow-card), 0 0 30px rgba(109, 255, 160, 0.06);
}

.content-block h2 { margin-top: 0; border-bottom: none; }
.content-block h2:not(:first-child) { margin-top: 1.5rem; }

/* Images */
.content-block img,
article img {
  max-width: 100%;
  height: auto;
  width: 320px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: block;
  margin: 1rem 0;
  loading: lazy;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

th, td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}

th {
  background: rgba(166, 5, 147, 0.15);
  color: var(--color3);
  font-weight: 600;
}

tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* Lists */
ul, ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}

.content-block ul:not([class]) li {
  margin-bottom: 0.35rem;
}

/* FAQ */
.faq-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.faq-list li {
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
}

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

.faq-q {
  font-weight: 600;
  color: var(--color2);
  padding: 1rem 0 0.5rem;
  cursor: default;
}

.faq-a {
  color: var(--text-muted);
  padding: 0 0 1rem;
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  margin-top: 3rem;
}

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

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

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

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

.footer-lang {
  margin-bottom: 1rem;
}

.footer-lang a {
  margin-right: 0.75rem;
  font-size: 0.9rem;
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header { padding: 0.75rem 1rem; }
  .header-inner { flex-direction: column; align-items: flex-start; }
  .nav-menu { width: 100%; }
  main { padding: 1.25rem 1rem; }
  .content-block { padding: 1rem; }
  .content-block img, article img { width: 100%; max-width: 280px; }
  table { font-size: 0.85rem; }
  th, td { padding: 0.5rem; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .nav-menu { flex-direction: column; }
  .lang-switcher { width: 100%; }
}