/* Ledger Cold Wallet Compare - Main Styles */
:root {
  --color1: #efcf6a;
  --color2: #e7e691;
  --color3: #1a5fb6;
  --color4: #1d98c5;
  --color5: #20dad8;
  --dark: #0d1117;
  --darker: #010409;
  --light: #f6f8fa;
  --text: #24292f;
  --text-muted: #57606a;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

img[loading="lazy"] {
  loading: lazy;
}

a {
  color: var(--color3);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
  color: #fff;
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

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

.site-logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color2);
}

.site-logo a {
  color: inherit;
}

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

.nav-main a {
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
}

.nav-main a:hover {
  color: var(--color5);
}

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

.lang-switcher a {
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.08);
}

.lang-switcher a:hover,
.lang-switcher a.active-lang {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* Main content */
.main-content {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

/* Hero / Page title block */
.hero-block {
  background: linear-gradient(135deg, var(--color3) 0%, var(--color4) 100%);
  color: #fff;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
}

.hero-block h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.25;
  font-weight: 700;
}

.hero-block .lead {
  margin: 0;
  opacity: 0.95;
  font-size: 1.05rem;
}

/* Content blocks */
.content-block {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.content-block h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: var(--color3);
  border-bottom: 2px solid var(--color2);
  padding-bottom: 0.5rem;
}

.content-block h3 {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.2rem;
  color: var(--color4);
}

.content-block p {
  margin: 0 0 1rem;
}

.content-block p:last-child {
  margin-bottom: 0;
}

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

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

.content-block th,
.content-block td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #eaecef;
}

.content-block th {
  background: var(--color3);
  color: #fff;
  font-weight: 600;
}

.content-block tr:nth-child(even) {
  background: #f6f8fa;
}

.content-block tr:hover {
  background: #eef2f5;
}

/* Images in content */
.content-block .figure-img {
  margin: 1.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 480px;
  box-shadow: var(--shadow);
}

.content-block .figure-img img {
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.content-block .figure-img figcaption {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: #f6f8fa;
}

/* Lists */
.content-block ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.content-block li {
  margin-bottom: 0.5rem;
}

/* FAQ */
.faq-block {
  background: linear-gradient(180deg, #fff 0%, #f0f7ff 100%);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 2rem;
  border: 1px solid #d0e3f5;
}

.faq-block h2 {
  margin-top: 0;
  color: var(--color3);
}

.faq-item {
  border: 1px solid #eaecef;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  overflow: hidden;
  background: #fff;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--color3);
  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: '+';
  font-size: 1.25rem;
  color: var(--color4);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 1.25rem 1rem;
  color: var(--text);
  font-weight: normal;
}

.faq-item .faq-answer p {
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.85);
  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;
  margin-bottom: 1rem;
}

.footer-menu a {
  color: var(--color5);
}

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

.footer-lang {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-lang a {
  color: var(--color2);
}

.footer-copy {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

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

/* Mobile */
@media (max-width: 768px) {
  .site-header {
    padding: 0.75rem 1rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-content {
    padding: 1.5rem 1rem;
  }

  .hero-block {
    padding: 1.5rem 1.25rem;
  }

  .content-block {
    padding: 1.25rem;
  }

  .content-block th,
  .content-block td {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }

  .faq-block {
    padding: 1.25rem;
  }

  .faq-item summary {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .lang-switcher a {
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
  }
}