/**
 * NV CITY - Reusable UI Components
 * Buttons, Cards, Badges, Tabs, Marquee, Accordion, Modals & Mobile Action Bar
 */

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 13px 24px;
  min-height: 48px;
  border-radius: var(--radius-button);
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(20, 110, 245, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-primary-blue-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-blue-glow);
  transform: translateY(-2px);
}

.btn-primary:active {
  background-color: var(--color-primary-blue-active);
  transform: translateY(0);
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.18);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background-color: transparent;
  border-color: var(--color-primary-blue);
  color: var(--color-primary-blue);
}

.btn-outline-primary:hover {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: var(--shadow-whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-dark {
  background-color: var(--color-dark-navy);
  color: var(--color-white);
}

.btn-dark:hover {
  background-color: var(--color-deep-navy);
  color: var(--color-white);
}

.btn-full {
  width: 100%;
}

.btn-sm {
  min-height: 38px;
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Duotone Icon Badge (As seen in Mobile Design Reference)
   ========================================================================== */
.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background-color: var(--color-blue-tint);
  border: 1px solid var(--color-border);
  color: var(--color-primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.icon-badge svg {
  width: 24px;
  height: 24px;
}

.card:hover .icon-badge {
  transform: scale(1.05);
  background-color: var(--color-blue-tint-strong);
}

/* ==========================================================================
   Continuous Logo Marquee Ticker
   ========================================================================== */
.marquee-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  padding: var(--space-16) 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.marquee-container::before,
.marquee-container::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}

.marquee-container::before {
  left: 0;
  background: linear-gradient(90deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
}

.marquee-container::after {
  right: 0;
  background: linear-gradient(-90deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
}

.marquee-track {
  display: flex;
  gap: var(--space-48);
  width: max-content;
  animation: marqueeContinuous 32s linear infinite;
  will-change: transform;
}

.marquee-container:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marqueeContinuous {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: 8px 18px;
  background: var(--color-soft-blue);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-primary-text);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.marquee-item svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary-blue);
}

/* ==========================================================================
   Project Tabs Switcher
   ========================================================================== */
.tabs-nav {
  display: inline-flex;
  background: #E2E8F0;
  padding: 4px;
  border-radius: var(--radius-pill);
  gap: 4px;
}

.tab-btn {
  padding: 8px 20px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-secondary-text);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.tab-btn.is-active {
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   FAQ Accordion Component
   ========================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-primary-blue);
  box-shadow: var(--shadow-md);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-16) var(--space-20);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-text);
  text-align: left;
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary-blue);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 var(--space-20);
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  padding-bottom: var(--space-20);
}

.faq-answer p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ==========================================================================
   Sticky Bottom Action Bar (Mobile Only)
   ========================================================================== */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--mobile-bar-height);
  background: rgba(7, 27, 51, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 6px var(--space-8) max(6px, env(safe-area-inset-bottom));
  z-index: 990;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.mobile-bar-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #DCE6F2;
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  flex: 1;
  height: 100%;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-bar-action svg {
  width: 20px;
  height: 20px;
}

.mobile-bar-action:hover,
.mobile-bar-action:active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

/* Elevated Center Enquire Action Button */
.mobile-bar-action.action-enquire-center {
  position: relative;
  overflow: visible;
}

.enquire-fab-circle {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-pill);
  background-color: var(--color-primary-blue);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(20, 110, 245, 0.5);
  margin-top: -16px;
  border: 3px solid #071B33;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.enquire-fab-circle svg {
  width: 20px;
  height: 20px;
}

.mobile-bar-action.action-enquire-center:active .enquire-fab-circle,
.mobile-bar-action.action-enquire-center:hover .enquire-fab-circle {
  transform: scale(1.08);
  background-color: var(--color-primary-blue-hover);
}

.enquire-fab-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #60A5FA;
}

@media (min-width: 1024px) {
  .mobile-bottom-bar {
    display: none !important;
  }
}

/* ==========================================================================
   Modals & Overlays
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(4, 20, 38, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-smooth);
}

.modal-dialog.modal-video-dialog {
  max-width: 880px;
  background-color: #000;
}

.modal-overlay.is-visible .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-16) var(--space-24);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-soft-blue);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary-text);
}

.modal-close-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary-text);
  background: rgba(0, 0, 0, 0.05);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--color-primary-text);
}

.modal-body {
  padding: var(--space-24);
  max-height: 80vh;
  overflow-y: auto;
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: calc(var(--mobile-bar-height) + 16px);
  right: var(--space-16);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: var(--space-12);
  background-color: var(--color-dark-navy);
  color: var(--color-white);
  padding: var(--space-14) var(--space-20);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transform: translateY(100px);
  opacity: 0;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

@media (min-width: 1024px) {
  .toast-notification {
    bottom: var(--space-32);
    right: var(--space-32);
  }
}

.toast-notification.is-show {
  transform: translateY(0);
  opacity: 1;
}