/* Ledger Cold Wallet Recovery - Main Styles */
:root {
  --color1: #00fcac;
  --color2: #d5e65e;
  --color3: #a10058;
  --color4: #d80634;
  --color5: #e79138;
  --bg-dark: #0d0d12;
  --bg-card: #16161f;
  --bg-section: #1a1a24;
  --text-primary: #f0f0f5;
  --text-muted: #9898a8;
  --border-subtle: rgba(255,255,255,0.08);
  --font-head: 'DM Sans', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.3);
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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, 13, 18, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}
.logo a { color: inherit; }
.logo a:hover { color: var(--color1); }

/* Nav */
.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}
.main-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.main-nav a:hover,
.main-nav a[href]:focus {
  color: var(--color1);
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.lang-switcher a {
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}
.lang-switcher a:hover,
.lang-switcher a.active {
  color: var(--color1);
  border-color: var(--color1);
  background: rgba(0, 252, 172, 0.08);
}

/* Main content */
.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Hero / page title block */
.hero-block {
  padding: 2.5rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}
.hero-block h1 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, var(--color1), var(--color2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Content blocks */
.content-block {
  margin-bottom: 2.5rem;
}
.content-block h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--color2);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
}
.content-block h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--color5);
  margin: 1.5rem 0 0.75rem;
}
.content-block p {
  margin: 0 0 1rem;
  color: var(--text-primary);
}
.content-block ul,
.content-block ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}
.content-block li { margin-bottom: 0.35rem; }

/* Card / highlight block */
.card-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}
.card-block h3 { margin-top: 0; }

/* Image block - not too large */
.img-wrap {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 520px;
  border: 1px solid var(--border-subtle);
}
.img-wrap img {
  width: 100%;
  height: auto;
  loading: lazy;
}

/* Table */
.table-wrap {
  overflow-x: auto;
  margin: 1rem 0;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
}
.content-block table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.content-block th,
.content-block td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}
.content-block th {
  background: var(--bg-section);
  color: var(--color2);
  font-weight: 600;
}
.content-block tr:last-child td { border-bottom: none; }

/* FAQ block */
.faq-block {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}
.faq-block h2 {
  color: var(--color1);
  margin-bottom: 1.25rem;
}
.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}
.faq-item summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.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-subtle);
}

/* Footer */
.site-footer {
  background: var(--bg-section);
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 1.5rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-nav a {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-nav a:hover { color: var(--color1); }
.footer-lang {
  margin-bottom: 1rem;
}
.footer-lang a {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-right: 1rem;
}
.footer-lang a:hover { color: var(--color1); }
.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

/* Accent blocks */
.accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--color1), var(--color3), var(--color5));
  border-radius: 0 0 4px 4px;
  margin-bottom: 1rem;
}
.striped-block {
  background: repeating-linear-gradient(
    -3deg,
    transparent,
    transparent 8px,
    rgba(161, 0, 88, 0.06) 8px,
    rgba(161, 0, 88, 0.06) 16px
  );
  padding: 1.25rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--color3);
}

/* Responsive */
@media (max-width: 768px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .main-nav ul { gap: 0.5rem; }
  .main-content { padding: 1.5rem 1rem 3rem; }
  .hero-block { padding: 1.5rem 0; }
  .content-block table { font-size: 0.8rem; }
  .content-block th,
  .content-block td { padding: 0.5rem 0.6rem; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .lang-switcher a { padding: 0.3rem 0.5rem; font-size: 0.8rem; }
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}