/* Ledger Bitcoin Recovery - Multi-language site */
:root {
  --color1: #00ecff;
  --color2: #37edff;
  --color3: #400000;
  --color4: #715400;
  --color5: #beb74c;
  --bg-dark: #0d0a0a;
  --bg-card: #1a1515;
  --text-primary: #e8e6e3;
  --text-muted: #a09a92;
  --border-subtle: rgba(0, 236, 255, 0.15);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-base: 16px;
  --max-width: 1200px;
  --radius: 8px;
  --radius-lg: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  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 0.2s ease;
}

a:hover {
  color: var(--color2);
}

/* Layout */
.site-header {
  background: linear-gradient(180deg, rgba(61, 0, 0, 0.4) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color5);
}

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

.nav-main a {
  color: var(--text-primary);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius);
}

.nav-main a:hover {
  color: var(--color1);
  background: rgba(0, 236, 255, 0.08);
}

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

.lang-switcher a {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.lang-switcher a:hover,
.lang-switcher a[aria-current="page"] {
  color: var(--color1);
  border-color: var(--color1);
}

/* Main content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.hero-block {
  background: linear-gradient(135deg, rgba(64, 0, 0, 0.5) 0%, rgba(113, 84, 0, 0.15) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2.5rem;
}

.hero-block h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--color2);
  line-height: 1.3;
}

.hero-block p {
  margin: 0;
  color: var(--text-muted);
  max-width: 72ch;
}

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

.content-block h2 {
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  font-size: 1.35rem;
  color: var(--color5);
  border-bottom: 1px solid var(--border-subtle);
}

.content-block h3 {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.15rem;
  color: var(--color2);
}

.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;
}

.figure-wrap {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  max-width: 560px;
}

.figure-wrap img {
  width: 100%;
  height: auto;
  vertical-align: middle;
  loading: lazy;
}

.figure-wrap figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: var(--bg-card);
}

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

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

th, td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  background: rgba(64, 0, 0, 0.4);
  color: var(--color5);
  font-weight: 600;
}

tr:hover td {
  background: rgba(0, 236, 255, 0.04);
}

/* FAQ */
.faq-block {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
}

.faq-block h2 {
  margin-top: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
}

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

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color2);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.faq-item summary::before {
  content: '+';
  font-size: 1.2rem;
  color: var(--color1);
}

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

.faq-item p {
  margin: 0.75rem 0 0 1.5rem;
  color: var(--text-primary);
}

/* CTA / links block */
.cta-links {
  margin: 2rem 0;
  padding: 1.5rem;
  background: rgba(113, 84, 0, 0.12);
  border-radius: var(--radius);
  border-left: 4px solid var(--color4);
}

.cta-links p {
  margin: 0 0 0.5rem;
}

/* Footer */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 1.25rem;
  margin-top: 3rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 600px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-nav h4 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--color5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-nav li {
  margin-bottom: 0.4rem;
}

.footer-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

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

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

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

.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  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); }

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

@media (max-width: 599px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-main {
    width: 100%;
  }
  main {
    padding: 1.5rem 1rem 2rem;
  }
  .hero-block {
    padding: 1.5rem;
  }
}