/* Ledger vs Hot Wallet - Multilingual Site */
:root {
  --color1: #00b5ff;
  --color2: #00d4ff;
  --color3: #00fdff;
  --color4: #69fff9;
  --color5: #d7fff4;
  --dark: #0a1628;
  --dark2: #0d2137;
  --text: #e8f4fc;
  --text-muted: #a0c4d8;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 181, 255, 0.12);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--dark);
  min-height: 100vh;
}

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

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

a:hover {
  color: var(--color4);
  text-decoration: underline;
}

/* Layout */
.site-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: linear-gradient(180deg, var(--dark2) 0%, rgba(13, 33, 55, 0.97) 100%);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color3);
}

.logo a {
  color: inherit;
  text-decoration: none;
}

.nav-main {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}

.nav-main a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.nav-main a:hover {
  color: var(--color4);
  background: rgba(0, 212, 255, 0.1);
  text-decoration: none;
}

.lang-switcher {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lang-switcher a {
  padding: 6px 12px;
  border-radius: var(--radius);
  background: rgba(0, 212, 255, 0.15);
  color: var(--color5);
  font-size: 0.9rem;
  text-decoration: none;
}

.lang-switcher a:hover {
  background: rgba(0, 212, 255, 0.25);
  color: #fff;
  text-decoration: none;
}

/* Hero / Page title block */
.hero-block {
  padding: 48px 0 40px;
  background: linear-gradient(135deg, rgba(0, 181, 255, 0.08) 0%, rgba(0, 253, 255, 0.04) 100%);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.hero-block h1 {
  margin: 0 0 16px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color4);
  line-height: 1.25;
}

.hero-block .lead {
  margin: 0;
  color: var(--text-muted);
  max-width: 720px;
  font-size: 1.05rem;
}

/* Content blocks */
.content-section {
  padding: 40px 0;
}

.content-section:nth-child(even) {
  background: rgba(0, 181, 255, 0.04);
}

.block-card {
  background: var(--dark2);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.block-card h2 {
  margin: 0 0 16px;
  font-size: 1.5rem;
  color: var(--color2);
  border-bottom: 2px solid var(--color1);
  padding-bottom: 10px;
}

.block-card h3 {
  margin: 24px 0 12px;
  font-size: 1.2rem;
  color: var(--color4);
}

.block-card p {
  margin: 0 0 14px;
  color: var(--text);
}

.block-card ul, .block-card ol {
  margin: 0 0 14px;
  padding-left: 1.5em;
  color: var(--text-muted);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 16px 0;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

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

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

th {
  background: rgba(0, 181, 255, 0.15);
  color: var(--color4);
  font-weight: 600;
}

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

/* Images in content */
.content-img {
  max-width: 420px;
  margin: 20px 0;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 212, 255, 0.25);
  box-shadow: var(--shadow);
}

/* FAQ */
.faq-block {
  padding: 40px 0;
}

.faq-block h2 {
  margin: 0 0 24px;
  font-size: 1.5rem;
  color: var(--color2);
}

.faq-item {
  background: var(--dark2);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-q {
  width: 100%;
  padding: 18px 20px;
  text-align: left;
  font: inherit;
  font-weight: 600;
  color: var(--color4);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-q:hover {
  background: rgba(0, 212, 255, 0.08);
}

.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--color2);
  flex-shrink: 0;
}

.faq-item.is-open .faq-q::after {
  content: '−';
}

.faq-a {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.is-open .faq-a {
  max-height: 500px;
}

.faq-a-inner {
  padding: 0 0 18px;
  color: var(--text-muted);
  border-top: 1px solid rgba(0, 212, 255, 0.15);
}

/* Footer */
.site-footer {
  background: var(--dark2);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding: 40px 0 24px;
  margin-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 48px;
  margin-bottom: 32px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-col h4 {
  margin: 0 0 16px;
  font-size: 1rem;
  color: var(--color3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--color4);
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(0, 212, 255, 0.15);
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Utilities */
.color1 { color: #00b5ff; }
.color2 { color: #00d4ff; }
.color3 { color: #00fdff; }
.color4 { color: #69fff9; }
.color5 { color: #d7fff4; }

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

  .nav-main {
    width: 100%;
  }

  .hero-block {
    padding: 32px 0 28px;
  }

  .block-card {
    padding: 20px;
  }

  body {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .site-wrap {
    padding: 0 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}