/* ==========================================================================
   AVI TECHNOLOGIES — UI COMPONENTS (A11Y & WCAG AA VALIDATED)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Container & Layout Wrappers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

@media (max-width: 640px) {
  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
}

/* --------------------------------------------------------------------------
   2. Navbar / Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-glass-base);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--trans-normal), border-color var(--trans-normal);
}

.site-header.scrolled {
  background: rgba(6, 9, 17, 0.94);
  border-bottom-color: rgba(0, 242, 254, 0.15);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-md);
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.brand-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--grad-cyan-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark-on-cyan);
  box-shadow: var(--glow-cyan-sm);
  transition: transform var(--trans-spring);
}

.brand-logo:hover .brand-icon-wrap {
  transform: rotate(-8deg) scale(1.08);
}

.brand-text span {
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--trans-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-cyan-blue);
  border-radius: var(--radius-full);
  transition: width var(--trans-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Currency Switcher (Dual Currency: COP / USD) */
.currency-switcher {
  display: flex;
  align-items: center;
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  position: relative;
}

.currency-btn {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-full);
  transition: all var(--trans-fast);
}

.currency-btn[aria-pressed="true"] {
  background: var(--accent-cyan);
  color: var(--text-dark-on-cyan);
  font-weight: 700;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 9, 17, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
    gap: var(--space-md);
    transform: translateY(-120%);
    transition: transform var(--trans-normal);
    opacity: 0;
    pointer-events: none;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-actions .btn-quote {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   3. Buttons & Interactive Controls (Strict AAA Contrast Rule)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.7rem 1.4rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--trans-normal);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* Primary Button: Dark text on Cyan for 14.4:1 AAA contrast! */
.btn-primary {
  background: var(--grad-cyan-blue);
  color: var(--text-dark-on-cyan);
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.25);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 242, 254, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Glass Button */
.btn-secondary {
  background: var(--bg-surface-2);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--bg-surface-3);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* WhatsApp Conversion Button */
.btn-whatsapp {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(16, 185, 129, 0.45);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.9rem 1.8rem;
  font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   4. Badges & Micro Tags
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-cyan {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-neon-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.12);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.35);
}

.badge-live-pulse::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-neon-green);
  box-shadow: 0 0 8px var(--accent-neon-green);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* --------------------------------------------------------------------------
   5. Bento Grid & Glass Cards
   -------------------------------------------------------------------------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

.bento-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--trans-normal), border-color var(--trans-normal), box-shadow var(--trans-normal);
  display: flex;
  flex-direction: column;
}

.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-surface-card);
  pointer-events: none;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 254, 0.3);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 242, 254, 0.08);
}

/* Card Mockup Visual Container */
.card-mockup-wrap {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--bg-surface-1);
  border: 1px solid var(--border-subtle);
}

.card-mockup-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-smooth);
}

.bento-card:hover .card-mockup-img {
  transform: scale(1.04);
}

/* --------------------------------------------------------------------------
   6. Modals & Accessible Dialogs (A11y Focus Trap)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface-2);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-2xl);
  position: relative;
  box-shadow: var(--shadow-modal);
  transform: scale(0.95);
  transition: transform var(--trans-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-3);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all var(--trans-fast);
}

.modal-close:hover {
  background: var(--accent-crimson);
  color: #fff;
}

/* --------------------------------------------------------------------------
   7. Floating WhatsApp Action Button
   -------------------------------------------------------------------------- */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  padding: 12px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform var(--trans-spring), box-shadow var(--trans-normal);
}

.floating-whatsapp:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 35px rgba(16, 185, 129, 0.55);
}

.floating-whatsapp svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}