/* Ledger Hardware Wallet Setup - Design System */
:root {
  --color1: #0ffff8;
  --color2: #49fff8;
  --color3: #7d0800;
  --color4: #996100;
  --color5: #bcb237;
  --bg-dark: #0a0f14;
  --bg-card: #111a22;
  --bg-section: #0d1419;
  --text-primary: #e8ecf0;
  --text-secondary: #9ca8b4;
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Outfit', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color1), var(--color2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: var(--color2);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--color5);
  margin: 1.5rem 0 0.75rem;
}

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

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

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 20, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 255, 248, 0.15);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 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: 1.25rem;
  color: var(--color1);
}

.nav-main {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-main a {
  color: var(--text-secondary);
  font-weight: 500;
}

.nav-main a:hover {
  color: var(--color1);
}

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

.lang-switcher a {
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  background: rgba(73, 255, 248, 0.1);
  color: var(--color2);
}

.lang-switcher a:hover,
.lang-switcher a.active {
  background: rgba(73, 255, 248, 0.2);
  color: var(--color1);
}

/* Hero Block */
.hero-block {
  padding: 3rem 1.5rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-section) 0%, var(--bg-dark) 100%);
}

.hero-block p {
  max-width: 700px;
  margin: 0 auto 1rem;
  color: var(--text-secondary);
}

/* Content Blocks */
.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.content-block {
  margin-bottom: 2.5rem;
}

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

/* Card Blocks */
.card-block {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
  border: 1px solid rgba(73, 255, 248, 0.1);
}

.card-block h3 {
  margin-top: 0;
}

/* Table Styles */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
}

.info-table th,
.info-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(73, 255, 248, 0.08);
}

.info-table th {
  background: rgba(125, 8, 0, 0.2);
  color: var(--color2);
  font-weight: 600;
}

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

/* List Styles */
.step-list {
  list-style: none;
  counter-reset: step;
}

.step-list li {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1rem;
  counter-increment: step;
}

.step-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.75rem;
  height: 1.75rem;
  background: linear-gradient(135deg, var(--color3), var(--color4));
  color: var(--color1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

/* FAQ Section */
.faq-block {
  margin: 2rem 0;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(73, 255, 248, 0.08);
}

.faq-question {
  width: 100%;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--color2);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.faq-question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color5);
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 1.25rem 1rem;
  color: var(--text-secondary);
}

/* Image in content */
.content-img {
  max-width: 400px;
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}

/* Footer */
.site-footer {
  background: var(--bg-section);
  border-top: 1px solid rgba(73, 255, 248, 0.1);
  padding: 2.5rem 1.5rem;
  margin-top: 3rem;
}

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

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer-nav a {
  color: var(--text-secondary);
}

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

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(73, 255, 248, 0.08);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 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 {
    flex-direction: column;
  }
  
  .info-table {
    font-size: 0.85rem;
  }
  
  .info-table th,
  .info-table td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .info-table {
    display: block;
  }
  
  .info-table thead {
    display: none;
  }
  
  .info-table tr {
    display: block;
    margin-bottom: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
  }
  
  .info-table td {
    display: block;
    padding: 0.5rem 1rem;
  }
  
  .info-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color2);
    display: block;
    margin-bottom: 0.25rem;
  }
}