/* ================================================================
   MeData — Decentralized Identity Layer
   styles.css | Cyberpunk Dark Theme with Glass-Morphism
   ================================================================ */

/* ── CSS Variables ── */
:root {
  --bg-primary: #050510;
  --bg-secondary: #0a0a1a;
  --bg-card: rgba(15, 15, 35, 0.6);
  --bg-glass: rgba(20, 20, 50, 0.35);
  --border-glass: rgba(139, 92, 246, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --text-primary: #e8e8f0;
  --text-secondary: #9090b0;
  --text-muted: #5a5a7a;
  --accent-purple: #8b5cf6;
  --accent-purple-dim: rgba(139, 92, 246, 0.15);
  --accent-cyan: #06b6d4;
  --accent-cyan-dim: rgba(6, 182, 212, 0.12);
  --accent-green: #10b981;
  --accent-green-dim: rgba(16, 185, 129, 0.12);
  --accent-amber: #f59e0b;
  --gradient-primary: linear-gradient(135deg, #8b5cf6, #06b6d4);
  --gradient-glow: linear-gradient(135deg, rgba(139,92,246,0.4), rgba(6,182,212,0.4));
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-fa: 'Vazirmatn', 'Tahoma', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-en);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.lang-fa {
  font-family: var(--font-fa);
  direction: rtl;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, select { cursor: pointer; font-family: inherit; }
::selection { background: var(--accent-purple); color: #fff; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-purple-dim); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-purple); }

/* ── Utility ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.glass-card:hover {
  border-color: rgba(139, 92, 246, 0.35);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(139, 92, 246, 0.5);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-secondary:hover {
  border-color: var(--accent-purple);
  background: var(--accent-purple-dim);
}
.btn-lg { padding: 14px 32px; font-size: 1.05rem; }

/* ── Section ── */
.section {
  padding: 120px 0;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-purple);
  background: var(--accent-purple-dim);
  border: 1px solid rgba(139, 92, 246, 0.2);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ================================================================
   HEADER
   ================================================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
#header.scrolled {
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1rem;
}
.logo-text { letter-spacing: -0.03em; }
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}
.lang-option { padding: 4px 6px; transition: var(--transition); }
.lang-option.active { color: var(--accent-purple); }
.lang-divider { color: var(--text-muted); font-size: 0.75rem; }
.btn-header-cta { padding: 8px 20px; font-size: 0.88rem; }
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu-btn.open span:nth-child(1) { transform: rotate(45deg) translateY(7px); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translateY(-7px); }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139,92,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 20%, transparent 70%);
}
#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, transparent 30%, var(--bg-primary) 70%),
              linear-gradient(to bottom, transparent 60%, var(--bg-primary));
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--accent-purple-dim);
  border: 1px solid rgba(139, 92, 246, 0.25);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-purple);
  margin-bottom: 32px;
}
.hero-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.04em;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-plus {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}
.hero-scroll-indicator span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}
.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--accent-purple);
  border-radius: 2px;
  animation: scrollBounce 2s infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.3; }
}

/* ================================================================
   FEATURES
   ================================================================ */
.features-section {
  background: var(--bg-secondary);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 36px;
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 20px;
}
.feature-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.feature-tags span {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* ================================================================
   ARCHITECTURE
   ================================================================ */
.arch-diagram {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.arch-layer {
  position: relative;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  transition: var(--transition);
}
.arch-layer:hover {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.08);
}
.arch-layer-4 { border-left: 3px solid var(--accent-purple); }
.arch-layer-3 { border-left: 3px solid var(--accent-cyan); }
.arch-layer-2 { border-left: 3px solid var(--accent-green); }
.arch-layer-1 { border-left: 3px solid var(--accent-amber); }
body.lang-fa .arch-layer { border-left: none; border-right: 3px solid var(--accent-purple); }
body.lang-fa .arch-layer-4 { border-right-color: var(--accent-purple); }
body.lang-fa .arch-layer-3 { border-right-color: var(--accent-cyan); }
body.lang-fa .arch-layer-2 { border-right-color: var(--accent-green); }
body.lang-fa .arch-layer-1 { border-right-color: var(--accent-amber); }

.arch-layer-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.arch-layer-4 .arch-layer-icon { background: var(--accent-purple-dim); color: var(--accent-purple); }
.arch-layer-3 .arch-layer-icon { background: var(--accent-cyan-dim); color: var(--accent-cyan); }
.arch-layer-2 .arch-layer-icon { background: var(--accent-green-dim); color: var(--accent-green); }
.arch-layer-1 .arch-layer-icon { background: rgba(245,158,11,0.12); color: var(--accent-amber); }
.arch-layer-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.arch-layer-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.arch-arrow {
  text-align: center;
  padding: 8px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  animation: arrowPulse 2s ease-in-out infinite;
}
@keyframes arrowPulse {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 0.8; transform: translateY(3px); }
}

/* ================================================================
   MULTI-CHAIN
   ================================================================ */
.chains-section {
  background: var(--bg-secondary);
}
.chains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.chain-card { padding: 32px; }
.chain-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.chain-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.chain-icon.evm { background: var(--accent-purple-dim); color: var(--accent-purple); }
.chain-icon.svm { background: rgba(148, 52, 210, 0.12); color: #9434d2; }
.chain-icon.cosmos { background: var(--accent-cyan-dim); color: var(--accent-cyan); }
.chain-icon.utxo { background: rgba(247, 147, 26, 0.12); color: #f7931a; }
.chain-type {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.chain-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.chain-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.chain-tag {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.chain-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.chain-features {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.chain-feature {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-green);
}
.chain-feature i { font-size: 0.75rem; }

/* ================================================================
   DOCUMENTATION
   ================================================================ */
.docs-tabs { max-width: 900px; margin: 0 auto; }
.docs-tab-bar {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.docs-tab-bar::-webkit-scrollbar { display: none; }
.docs-tab {
  padding: 10px 20px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.docs-tab:hover { color: var(--text-secondary); }
.docs-tab.active {
  background: var(--accent-purple);
  color: #fff;
  box-shadow: 0 2px 12px rgba(139, 92, 246, 0.3);
}
.docs-panel { display: none; }
.docs-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.docs-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.docs-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--accent-cyan);
}
.docs-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.docs-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}
.docs-content ul li {
  padding: 10px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--border-subtle);
}
body.lang-fa .docs-content ul li { padding-left: 0; padding-right: 24px; }
.docs-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-weight: 700;
}
body.lang-fa .docs-content ul li::before { left: auto; right: 0; }
.docs-content ul li strong { color: var(--text-primary); }

/* Code Blocks */
.code-block {
  background: #0d0d1a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin: 16px 0;
  overflow: hidden;
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}
.copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition);
}
.copy-btn:hover {
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border-color: rgba(139, 92, 246, 0.3);
}
.code-block pre {
  padding: 20px;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.code-block pre::-webkit-scrollbar { display: none; }
.code-block code {
  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #c4c4e0;
}
/* Syntax Highlighting */
.kw { color: #c678dd; }
.fn { color: #61afef; }
.str { color: #98c379; }
.num { color: #d19a66; }
.cm { color: #5c6370; font-style: italic; }
.type { color: #e5c07b; }
.op { color: #56b6c2; }

/* API Endpoints */
.api-endpoint {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin: 16px 0;
}
.api-method {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.api-method.get { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.api-method.post { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.api-path {
  font-family: 'SF Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ================================================================
   WALLET GENERATOR
   ================================================================ */
.generator-section {
  background: var(--bg-secondary);
}
.generator-card {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px;
}
.generator-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.form-group select {
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  transition: var(--transition);
}
body.lang-fa .form-group select {
  background-position: left 16px center;
}
.form-group select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px var(--accent-purple-dim);
}
.form-group select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}
.btn-generate {
  justify-content: center;
  padding: 16px;
  font-size: 1.05rem;
}
.wallet-result {
  border-top: 1px solid var(--border-subtle);
  padding-top: 28px;
  animation: fadeIn 0.4s ease;
}
.wallet-network-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.chain-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.25);
}
.wallet-type-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}
.wallet-field { margin-bottom: 20px; }
.wallet-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.wallet-value-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.wallet-value {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--text-primary);
  line-height: 1.5;
}
.wallet-key-hidden {
  color: var(--text-muted);
  letter-spacing: 2px;
  filter: blur(4px);
  user-select: none;
}
.wallet-key-hidden.revealed {
  filter: none;
  letter-spacing: normal;
  user-select: all;
}
.wallet-key-actions {
  display: flex;
  gap: 4px;
}
.copy-btn-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 0.9rem;
}
.copy-btn-sm:hover {
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border-color: rgba(139, 92, 246, 0.3);
}
.copy-btn-sm.copied {
  background: var(--accent-green-dim);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.3);
}
.wallet-warning {
  font-size: 0.8rem;
  color: var(--accent-amber);
  margin-top: 8px;
  opacity: 0.8;
}

/* ================================================================
   CTA
   ================================================================ */
.cta-section {
  padding: 80px 0;
}
.cta-card {
  position: relative;
  text-align: center;
  padding: 80px 40px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(6,182,212,0.06));
  border: 1px solid var(--border-glass);
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139,92,246,0.12), transparent 60%);
  pointer-events: none;
}
.cta-card h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: -0.02em;
}
.cta-card p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.8;
  position: relative;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border-subtle);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-purple); }
.footer-bottom {
  width: 100%;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

/* Toast */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 12px 24px;
  background: var(--accent-green);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 9999;
  transition: transform 0.3s ease;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .features-grid,
  .chains-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px 24px;
    background: rgba(5, 5, 16, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 999;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 16px; font-size: 1rem; width: 100%; }
  .mobile-menu-btn { display: flex; }
  .btn-header-cta { display: none; }
  .features-grid,
  .chains-grid {
    grid-template-columns: 1fr;
  }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .hero-stats { gap: 24px; }
  .stat-number { font-size: 1.8rem; }
  .stat-divider { height: 30px; }
  .section { padding: 80px 0; }
  .section-title { font-size: 1.8rem; }
  .docs-tab { padding: 10px 14px; font-size: 0.82rem; }
  .generator-card { padding: 24px; }
  .cta-card { padding: 48px 24px; }
  .footer-inner { justify-content: center; text-align: center; }
  .footer-brand { align-items: center; }
  .footer-links { justify-content: center; }
  .arch-layer { padding: 20px; flex-direction: column; gap: 12px; }
}
@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
}