/* ==========================================================================
   INDIAN FINE ARTS AND HANDICRAFTS - RESPONSIVE & MOBILE SYSTEM
   Breakpoints:
   Desktop:  1024px+
   Tablet:   640px - 1023px
   Mobile:   0 - 639px
   ========================================================================== */

/* --------------------------------------------------------------------------
   Mobile Navigation Drawer & Overlay
   -------------------------------------------------------------------------- */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 4, 1, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background: var(--bg-primary);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 160;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.drawer-close-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--surface-white);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-walnut);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 0;
}

.drawer-nav-link {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-walnut);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-nav-link:hover,
.drawer-nav-link.active {
  background-color: var(--surface-warm);
  color: var(--brass-dark);
}

.drawer-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.drawer-contact-note {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Desktop & Floating WhatsApp Widget
   -------------------------------------------------------------------------- */
.floating-whatsapp-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 95;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--whatsapp);
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px -4px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.floating-whatsapp-widget:hover {
  background-color: var(--whatsapp-hover);
  transform: translateY(-2px) scale(1.03);
}

/* Mobile Fixed Bottom WhatsApp Dock */
.mobile-bottom-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(252, 249, 244, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  padding: 10px 16px 14px 16px;
  box-shadow: 0 -4px 16px rgba(43, 27, 20, 0.08);
}

.mobile-bottom-dock-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.mobile-dock-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  background-color: var(--whatsapp);
  color: #FFFFFF !important;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

/* --------------------------------------------------------------------------
   Tablet & Medium Screens (max-width: 1023px)
   -------------------------------------------------------------------------- */
@media screen and (max-width: 1023px) {
  :root {
    --header-height: 72px;
  }

  .nav-desktop {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .header-actions .header-whatsapp-btn {
    display: none;
  }

  /* Hero Stack */
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    align-items: flex-start;
  }

  /* Grids to 2 Columns */
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Mobile Screens (max-width: 639px)
   -------------------------------------------------------------------------- */
@media screen and (max-width: 639px) {
  :root {
    --section-padding-desktop: 52px;
  }

  body {
    padding-bottom: 74px; /* Ensure mobile bottom WhatsApp dock doesn't obscure content */
  }

  .floating-whatsapp-widget {
    display: none; /* Hide floating badge in favor of full-width mobile dock */
  }

  .mobile-bottom-dock {
    display: block;
  }

  .hero-section {
    padding-top: calc(var(--header-height) + 20px);
    padding-bottom: 40px;
  }

  .hero-cta-cluster {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-cluster .btn-whatsapp,
  .hero-cta-cluster .btn-primary {
    width: 100%;
    text-align: center;
  }

  .hero-spec-card {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    margin-top: 16px;
    border-radius: var(--radius-md);
  }

  /* Single Column Layouts */
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .collection-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .showcase-features-grid {
    grid-template-columns: 1fr;
  }

  .reasons-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .metrics-2x2 {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .spec-modal-footer {
    flex-direction: column;
    align-items: stretch;
  }
}