/* ============================================================
   LEDGERGUARD UK — Components
   Reusable UI components: buttons, badges, cards, nav, footer
   ============================================================ */

/* ----------------------------------------------------------
   1. Buttons
   ---------------------------------------------------------- */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Primary */
.btn-primary {
  background: var(--accent);
  color: #ffffff;
  padding: 14px 28px;
  box-shadow: 0 0 20px var(--accent-glow),
              0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 30px var(--accent-glow-strong),
              0 6px 16px rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 0 15px var(--accent-glow),
              0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 14px 28px;
  border: 1px solid var(--border-primary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: #2d3f72;
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:active {
  background: rgba(255, 255, 255, 0.04);
}

/* Secondary */
.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 14px 28px;
}
.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
}

/* Small variant */
.btn-small {
  padding: 10px 20px;
  font-size: 13.5px;
}

/* ----------------------------------------------------------
   2. Badges
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-primary);
  line-height: 1.4;
}

.badge svg {
  width: 14px;
  height: 14px;
  fill: var(--success);
  flex-shrink: 0;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ----------------------------------------------------------
   3. Cards
   ---------------------------------------------------------- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-primary);
  border-radius: 16px;
  padding: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s ease,
              transform 0.25s ease,
              box-shadow 0.25s ease;
}

.card:hover {
  border-color: #2d3f72;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.card-highlight {
  background: var(--bg-surface);
  border: 1px solid var(--accent-glow-strong);
  border-radius: 16px;
  padding: 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 0 40px var(--accent-glow),
              inset 0 1px 0 rgba(59, 130, 246, 0.1);
  transition: border-color 0.25s ease,
              transform 0.25s ease,
              box-shadow 0.25s ease;
}

.card-highlight:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--accent-glow-strong),
              0 12px 32px rgba(0, 0, 0, 0.25),
              inset 0 1px 0 rgba(59, 130, 246, 0.15);
}

/* ----------------------------------------------------------
   4. Navigation — Header
   ---------------------------------------------------------- */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 19, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

/* Logo */
.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-primary);
}

.logo-text {
  white-space: nowrap;
}

.logo-accent {
  color: var(--accent);
}

.logo-tld {
  color: var(--text-muted);
}

.logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: block;
}

.logo .shield-path,
.footer-logo .shield-path {
  stroke: var(--accent);
  fill: rgba(59, 130, 246, 0.15);
  stroke-width: 2;
  stroke-linejoin: round;
}

.logo .arrow-path,
.footer-logo .arrow-path {
  stroke: var(--success);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a.btn-primary {
  color: #ffffff;
}

.nav-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* Hamburger */
.hamburger {
  display: none;
  width: 24px;
  height: 24px;
  border: none;
  background: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.hamburger svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: block;
  }
}

/* ----------------------------------------------------------
   5. Mobile Menu Overlay
   ---------------------------------------------------------- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(6, 9, 19, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: 80px 32px;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.mobile-overlay.active {
  transform: translateX(0);
}

.mobile-overlay a {
  font-size: 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  padding: 16px 0;
  border-bottom: 1px solid var(--border-primary);
  display: block;
  transition: color 0.2s ease;
}

.mobile-overlay a:hover {
  color: var(--accent);
}

.mobile-overlay a:last-child {
  border-bottom: none;
}

.mobile-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-close svg {
  width: 24px;
  height: 24px;
}

.mobile-close:hover {
  color: var(--accent);
}

/* ----------------------------------------------------------
   6. Footer
   ---------------------------------------------------------- */
footer {
  border-top: 1px solid var(--border-primary);
  padding: 80px 24px 48px;
  background: #04060b;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  line-height: 1.5;
}

.footer-column a:hover {
  color: var(--text-primary);
}

.footer-column p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

.footer-column p strong {
  color: var(--text-primary);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.footer-logo .logo-accent {
  color: var(--accent);
}

.footer-logo .logo-tld {
  color: var(--text-muted) !important;
}

.footer-logo svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: block;
}

.footer-tagline {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.55;
  margin: 4px 0 0;
}

.footer-bottom {
  max-width: 1200px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-primary);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  gap: 24px;
}

@media (max-width: 1024px) {
  .footer-container {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  footer {
    padding: 48px 24px 32px;
  }
}

@media (max-width: 480px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* ----------------------------------------------------------
   7. Trust Badge (Footer)
   ---------------------------------------------------------- */
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-primary);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1;
}

.trust-badge svg {
  width: 12px;
  height: 12px;
  fill: var(--success);
  flex-shrink: 0;
}