/* ===================================================
   Colchis Digital — Header, Nav, Footer, Components
   =================================================== */

/* ── Header ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-border);
  z-index: 1000;
  transition: background 0.3s ease;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 36px;
  height: 36px;
  position: relative;
}
.logo-svg { width: 36px; height: 36px; }
.logo-text { font-family: var(--font-heading); font-weight: 700; font-size: 1.3rem; color: var(--text-primary); letter-spacing: -0.03em; }
.logo-text span { color: var(--accent-gold); }

.nav { display: flex; align-items: center; gap: var(--space-xs); }
.nav-link { padding: 0.5rem 1rem; color: var(--text-muted); font-size: 0.9rem; font-weight: 500; border-radius: var(--radius-md); transition: all var(--transition-fast); text-decoration: none; font-family: var(--font-heading); }
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: var(--bg-elevated); }

.header-actions { display: flex; align-items: center; gap: var(--space-sm); }

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  font-family: var(--font-heading);
}
.lang-btn.active { background: var(--accent-blue); color: #fff; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.hamburger span { width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav, .header-actions .btn { display: none; }
  .header-actions { gap: var(--space-sm); }
  .mobile-menu {
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--bg-deep);
    padding: var(--space-xl);
    display: flex; flex-direction: column; gap: var(--space-sm);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .mobile-menu.open { transform: translateX(0); }
  .mobile-menu .nav-link { font-size: 1.1rem; padding: 0.875rem 1rem; border-bottom: 1px solid var(--bg-border); }
}

/* NBG Badge */
.nbg-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #34D399;
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  text-decoration: none;
}
.nbg-badge:hover { background: rgba(16,185,129,0.18); color: #34D399; }

/* ── Price Ticker Bar ── */
.ticker-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--bg-border);
  overflow: hidden;
  height: 42px;
  display: flex;
  align-items: center;
  margin-top: var(--header-h);
}
.ticker-wrap { overflow: hidden; width: 100%; }
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 32px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: nowrap;
}
.ticker-coin { font-weight: 600; color: var(--text-primary); }
.ticker-price { color: var(--text-secondary); }
.ticker-change { font-size: 0.78rem; }
.ticker-sep { color: var(--bg-border); margin-left: 16px; }

/* ── Hero Section ── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 60% 50%, rgba(62,123,250,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(139,92,246,0.05) 0%, transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-cta { justify-content: center; }
  .hero-visual { display: none; }
}
.hero-eyebrow { margin-bottom: var(--space-md); }
.hero-title { margin-bottom: var(--space-lg); }
.hero-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: var(--space-2xl); max-width: 480px; }
.hero-cta { display: flex; gap: var(--space-md); flex-wrap: wrap; }
.hero-stats { display: flex; gap: var(--space-xl); margin-top: var(--space-2xl); flex-wrap: wrap; }
.hero-stat-value { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* Hero visual — orbit graphic */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.orbit-wrap {
  position: relative;
  width: 340px;
  height: 340px;
}
.orbit-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 40px rgba(62,123,250,0.4);
  font-size: 2rem;
}
.orbit-ring {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(62,123,250,0.2);
  transform: translate(-50%, -50%);
}
.orbit-ring-1 { width: 160px; height: 160px; border-color: rgba(62,123,250,0.3); }
.orbit-ring-2 { width: 250px; height: 250px; border-color: rgba(62,123,250,0.15); }
.orbit-ring-3 { width: 340px; height: 340px; border-color: rgba(62,123,250,0.08); }
.orbit-coin {
  position: absolute;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  animation: orbit 10s linear infinite;
  transform-origin: center;
}
.orbit-dot {
  position: absolute;
  width: 12px; height: 12px;
  border-radius: 50%;
  top: 50%; left: 50%;
}

/* ── Coin Cards ── */
.coin-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}
.coin-card:hover { border-color: rgba(62,123,250,0.35); background: var(--bg-elevated); transform: translateY(-2px); box-shadow: var(--shadow-glow-blue); }
.coin-icon { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.coin-icon-btc { background: rgba(247,147,26,0.12); border: 1px solid rgba(247,147,26,0.2); }
.coin-icon-eth { background: rgba(98,126,234,0.12); border: 1px solid rgba(98,126,234,0.2); }
.coin-icon-usdt { background: rgba(38,161,123,0.12); border: 1px solid rgba(38,161,123,0.2); }
.coin-name { font-family: var(--font-heading); font-weight: 700; font-size: 1rem; }
.coin-symbol { font-size: 0.8rem; color: var(--text-muted); }
.coin-price { font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; }
.coin-price-usd { font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }

/* ── Exchange Widget ── */
.exchange-widget {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 480px;
  width: 100%;
}
.widget-tabs { display: flex; gap: 4px; background: var(--bg-elevated); border-radius: var(--radius-md); padding: 4px; margin-bottom: var(--space-lg); }
.widget-tab {
  flex: 1;
  padding: 0.6rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.widget-tab.active { background: var(--accent-blue); color: #fff; }
.widget-label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; font-family: var(--font-heading); font-weight: 500; }
.widget-input-row { position: relative; }
.widget-input {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-family: var(--font-mono);
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition-fast);
}
.widget-input:focus { border-color: var(--accent-blue); }
.widget-coin-select {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-border);
  border-radius: var(--radius-full);
  padding: 6px 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border: none;
  color: var(--text-primary);
}
.widget-swap { display: flex; justify-content: center; margin: var(--space-sm) 0; }
.widget-swap-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--bg-border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-muted);
  font-size: 1rem;
}
.widget-swap-btn:hover { border-color: var(--accent-blue); color: var(--accent-blue); transform: rotate(180deg); }
.widget-rate { display: flex; justify-content: space-between; align-items: center; padding: var(--space-sm) 0; font-size: 0.82rem; color: var(--text-muted); }
.widget-rate span { color: var(--text-secondary); font-family: var(--font-mono); }
.widget-fee { display: flex; justify-content: space-between; font-size: 0.82rem; color: var(--text-muted); padding-bottom: var(--space-md); border-bottom: 1px solid var(--bg-border); margin-bottom: var(--space-md); }

/* ── How it works steps ── */
.step-card { text-align: center; padding: var(--space-xl); }
.step-number { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; color: #fff; margin: 0 auto var(--space-md); box-shadow: 0 4px 16px rgba(62,123,250,0.35); }
.step-title { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; margin-bottom: var(--space-sm); }
.step-desc { color: var(--text-muted); font-size: 0.9rem; }

/* ── Feature cards ── */
.feature-card { padding: var(--space-xl); }
.feature-icon { width: 52px; height: 52px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: var(--space-lg); }
.feature-icon-blue   { background: rgba(62,123,250,0.12); border: 1px solid rgba(62,123,250,0.2); }
.feature-icon-gold   { background: rgba(245,166,35,0.12); border: 1px solid rgba(245,166,35,0.2); }
.feature-icon-green  { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.2); }
.feature-icon-purple { background: rgba(139,92,246,0.12); border: 1px solid rgba(139,92,246,0.2); }
.feature-title { font-family: var(--font-heading); font-weight: 700; margin-bottom: var(--space-sm); }
.feature-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ── KYC Steps ── */
.kyc-stepper { display: flex; align-items: center; gap: 0; margin-bottom: var(--space-3xl); }
.kyc-step-item { display: flex; align-items: center; flex: 1; }
.kyc-step-bubble {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--bg-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.9rem;
  color: var(--text-muted); background: var(--bg-card);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.kyc-step-item.active .kyc-step-bubble { border-color: var(--accent-blue); color: var(--accent-blue); background: rgba(62,123,250,0.1); box-shadow: 0 0 16px rgba(62,123,250,0.25); }
.kyc-step-item.done .kyc-step-bubble { border-color: var(--accent-emerald); background: var(--accent-emerald); color: #fff; }
.kyc-step-line { flex: 1; height: 2px; background: var(--bg-border); margin: 0 8px; transition: background 0.3s ease; }
.kyc-step-item.done + .kyc-step-item .kyc-step-line { background: var(--accent-emerald); }

.kyc-panel { display: none; animation: fadeIn 0.35s ease; }
.kyc-panel.active { display: block; }

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--bg-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--bg-elevated);
}
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent-blue); background: rgba(62,123,250,0.05); }
.upload-zone input[type=file] { display: none; }
.upload-icon { font-size: 2.5rem; margin-bottom: var(--space-md); }
.upload-label { font-family: var(--font-heading); font-weight: 600; margin-bottom: var(--space-sm); }
.upload-hint { font-size: 0.82rem; color: var(--text-muted); }

/* ── Table ── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); padding: 0.75rem 1rem; border-bottom: 1px solid var(--bg-border); font-family: var(--font-heading); }
.data-table td { padding: 1rem; border-bottom: 1px solid rgba(26,43,74,0.5); font-size: 0.9rem; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-hover); }

/* ── Footer ── */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--bg-border);
  padding: var(--space-4xl) 0 var(--space-xl);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-3xl); margin-bottom: var(--space-3xl); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand-desc { color: var(--text-muted); font-size: 0.9rem; margin: var(--space-md) 0 var(--space-lg); max-width: 280px; line-height: 1.7; }
.footer-col-title { font-family: var(--font-heading); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); margin-bottom: var(--space-md); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-link { color: var(--text-muted); font-size: 0.9rem; text-decoration: none; transition: color var(--transition-fast); }
.footer-link:hover { color: var(--text-primary); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-md); padding-top: var(--space-xl); border-top: 1px solid var(--bg-border); }
.footer-legal { font-size: 0.8rem; color: var(--text-faint); }
.footer-reg { font-size: 0.78rem; color: var(--text-faint); }

/* ── Alert/Info boxes ── */
.alert { border-radius: var(--radius-md); padding: var(--space-md) var(--space-lg); display: flex; gap: var(--space-md); font-size: 0.9rem; }
.alert-info  { background: rgba(62,123,250,0.1); border: 1px solid rgba(62,123,250,0.2); color: var(--accent-blue-lt); }
.alert-warn  { background: rgba(245,166,35,0.1); border: 1px solid rgba(245,166,35,0.2); color: var(--accent-gold-lt); }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2); color: #34D399; }
.alert-danger { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); color: #F87171; }

/* ── Auth pages ── */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--space-xl); }
.auth-card { width: 100%; max-width: 460px; background: var(--bg-card); border: 1px solid var(--bg-border); border-radius: var(--radius-xl); padding: var(--space-2xl); }
.auth-header { text-align: center; margin-bottom: var(--space-2xl); }
.auth-logo { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: var(--space-xl); }

/* ── Compliance page ── */
.compliance-cert {
  background: linear-gradient(135deg, rgba(16,185,129,0.08), rgba(62,123,250,0.05));
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
}
.cert-seal { font-size: 4rem; margin-bottom: var(--space-md); }
.cert-number { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-muted); letter-spacing: 0.1em; }

/* ── Dashboard sidebar ── */
.dashboard-layout { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: calc(100vh - var(--header-h)); margin-top: var(--header-h); }
@media (max-width: 1024px) { .dashboard-layout { grid-template-columns: 1fr; } }
.sidebar { background: var(--bg-card); border-right: 1px solid var(--bg-border); padding: var(--space-xl) var(--space-md); }
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar-item { display: flex; align-items: center; gap: var(--space-md); padding: 0.75rem 1rem; border-radius: var(--radius-md); color: var(--text-muted); font-size: 0.9rem; font-family: var(--font-heading); font-weight: 500; text-decoration: none; transition: all var(--transition-fast); }
.sidebar-item:hover, .sidebar-item.active { background: var(--bg-elevated); color: var(--text-primary); }
.sidebar-item.active { color: var(--accent-blue); background: rgba(62,123,250,0.1); }
.sidebar-icon { font-size: 1.1rem; width: 20px; text-align: center; }
.main-content { padding: var(--space-2xl); overflow-y: auto; }

/* ── Portfolio overview ── */
.portfolio-total { font-family: var(--font-mono); font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; }
.portfolio-change { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; font-family: var(--font-mono); margin-top: 4px; }

/* ── Notification dot ── */
.notif-dot { position: relative; }
.notif-dot::after { content: ''; position: absolute; top: 2px; right: 2px; width: 8px; height: 8px; background: var(--accent-red); border-radius: 50%; border: 2px solid var(--bg-card); }

/* ── Checkbox / Radio ── */
.check-label { display: flex; align-items: flex-start; gap: var(--space-sm); cursor: pointer; font-size: 0.9rem; color: var(--text-secondary); }
.check-label input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent-blue); flex-shrink: 0; margin-top: 2px; cursor: pointer; }