/* ==========================================================================
   AQUAVERA — Premium Water Purifier E-Commerce Platform
   Design System & Custom Stylesheet
   ========================================================================== */

:root {
  --aquavera-navy: #102A43;
  --aquavera-navy-dark: #0B1D2F;
  --aquavera-navy-light: #243B53;
  --aquavera-aqua: #19B6C9;
  --aquavera-aqua-hover: #149AA9;
  --aquavera-cyan-light: #DDF7F7;
  --aquavera-cyan-soft: #EEFAFA;
  --aquavera-white-soft: #F8FBFC;
  --aquavera-slate: #526477;
  --aquavera-dark: #172B3A;
  --aquavera-border: #E3EDF0;
  --aquavera-card-bg: #FFFFFF;
  --aquavera-accent-gradient: linear-gradient(135deg, #16B8C8 0%, #65D6D0 100%);
  --aquavera-navy-gradient: linear-gradient(135deg, #102A43 0%, #1A365D 100%);
  --aquavera-hero-gradient: linear-gradient(160deg, #F8FBFC 0%, #E6F7F8 50%, #D8F3F4 100%);
  --aquavera-shadow-sm: 0 2px 8px rgba(16, 42, 67, 0.05);
  --aquavera-shadow-md: 0 8px 24px rgba(16, 42, 67, 0.08);
  --aquavera-shadow-lg: 0 16px 40px rgba(16, 42, 67, 0.12);
  --aquavera-radius-sm: 8px;
  --aquavera-radius-md: 14px;
  --aquavera-radius-lg: 22px;
  --aquavera-radius-pill: 9999px;
  --aquavera-transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base & Typography */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--aquavera-dark);
  background-color: var(--aquavera-white-soft);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--aquavera-navy);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: var(--aquavera-aqua);
  text-decoration: none;
  transition: var(--aquavera-transition);
}

a:hover {
  color: var(--aquavera-aqua-hover);
}


/* Navigation & Header */
.aquavera-navbar {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--aquavera-border);
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: var(--aquavera-transition);
  padding: 0.65rem 0;
}
.aquavera-navbar.scrolled {
  box-shadow: var(--aquavera-shadow-md);
}

.aquavera-nav-container {
  width: 100%;
  max-width: 1720px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin-right: 0;
  flex-shrink: 0;
}
.brand-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--aquavera-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(25, 182, 201, 0.3);
  flex-shrink: 0;
}
.brand-name {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--aquavera-navy);
  line-height: 1.15;
}
.brand-name span {
  color: var(--aquavera-aqua);
}

/* Center Navigation Links: Evenly spaced and vertically centered */
.aquavera-navbar .navbar-nav {
  display: flex;
  align-items: center;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  gap: 4px;
}

.nav-link {
  color: var(--aquavera-navy) !important;
  font-weight: 500;
  font-size: 0.94rem;
  padding: 0.5rem 0.85rem !important;
  border-radius: var(--aquavera-radius-sm);
  transition: var(--aquavera-transition);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--aquavera-aqua) !important;
  background-color: var(--aquavera-cyan-soft);
}

/* Right Corner Actions: Horizontally aligned and vertically centered */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.navbar-action-btn-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
}

.navbar-action-btn-account {
  height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px !important;
  white-space: nowrap;
}

.navbar-action-btn-cta {
  height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 20px !important;
  white-space: nowrap;
}

/* Large screens (>= 1200px): balanced 32px padding and comfortable link spacing */
@media (min-width: 1200px) {
  .aquavera-nav-container {
    padding-left: 32px;
    padding-right: 32px;
  }
  .aquavera-navbar .navbar-nav {
    gap: 8px;
  }
  .nav-link {
    padding: 0.5rem 0.95rem !important;
  }
  .navbar-actions {
    gap: 12px;
  }
}

/* Tablet (992px to 1199.98px): reduce gaps and padding without breaking layout */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .aquavera-nav-container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .aquavera-navbar .navbar-nav {
    gap: 2px;
  }
  .nav-link {
    font-size: 0.88rem;
    padding: 0.45rem 0.65rem !important;
  }
  .navbar-actions {
    gap: 8px;
  }
  .navbar-action-btn-cta {
    padding: 0 14px !important;
    font-size: 0.88rem;
  }
}

/* Mobile (< 992px): preserve existing mobile collapse menu */
@media (max-width: 991.98px) {
  .aquavera-nav-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .aquavera-navbar .navbar-collapse {
    padding: 1rem 0 0.5rem;
    border-top: 1px solid var(--aquavera-border);
    margin-top: 0.5rem;
  }
  .aquavera-navbar .navbar-nav {
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 1rem !important;
  }
  .nav-link {
    width: 100%;
    padding: 0.6rem 0.75rem !important;
  }
  .navbar-actions {
    width: 100%;
    justify-content: flex-start;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--aquavera-border);
  }
}

/* Navbar Dropdowns & Mobile Actions */
.navbar-search-dropdown {
  width: 280px;
  max-width: calc(100vw - 32px);
  border-radius: 14px;
}
.navbar-categories-dropdown {
  border-radius: 14px;
  min-width: 250px;
  max-width: calc(100vw - 32px);
}
.navbar-account-dropdown {
  border-radius: 14px;
  min-width: 220px;
  max-width: calc(100vw - 32px);
}

@media (max-width: 575.98px) {
  .aquavera-navbar .navbar-brand .brand-name {
    font-size: 1.15rem;
  }
  .navbar-actions {
    flex-direction: column;
    align-items: stretch !important;
    gap: 8px;
  }
  .navbar-actions > .d-flex {
    width: 100%;
    justify-content: flex-start;
  }
  .navbar-action-btn-cta {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

/* Buttons */
.btn-aquavera {
  background: var(--aquavera-accent-gradient);
  color: #0A2540 !important;
  font-weight: 600;
  border: none;
  border-radius: var(--aquavera-radius-pill);
  padding: 0.62rem 1.45rem;
  box-shadow: 0 4px 14px rgba(25, 182, 201, 0.25);
  transition: var(--aquavera-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-aquavera:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(25, 182, 201, 0.38);
  color: #0A2540 !important;
}

.btn-aquavera-navy {
  background: var(--aquavera-navy);
  color: #FFFFFF !important;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--aquavera-radius-pill);
  padding: 0.62rem 1.45rem;
  transition: var(--aquavera-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-aquavera-navy:hover {
  background: var(--aquavera-navy-dark);
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: var(--aquavera-shadow-md);
}

.btn-aquavera-outline {
  background: transparent;
  color: var(--aquavera-navy) !important;
  font-weight: 600;
  border: 1.5px solid var(--aquavera-border);
  border-radius: var(--aquavera-radius-pill);
  padding: 0.6rem 1.4rem;
  transition: var(--aquavera-transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-aquavera-outline:hover {
  border-color: var(--aquavera-aqua);
  background: var(--aquavera-cyan-soft);
  color: var(--aquavera-aqua-hover) !important;
}

/* Hero Section */
.hero-section {
  background: var(--aquavera-hero-gradient);
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--aquavera-border);
}

.hero-container {
  width: 100%;
}

@media (min-width: 1200px) {
  .hero-container {
    max-width: 1280px;
  }
}

@media (min-width: 1400px) {
  .hero-container {
    max-width: 1380px;
  }
}

@media (min-width: 1536px) {
  .hero-container {
    max-width: 1440px;
  }
}

.hero-text-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-video-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 992px) {
  .hero-text-col {
    flex: 0 0 auto;
    width: 41.666667%;
  }
  .hero-video-col {
    flex: 0 0 auto;
    width: 58.333333%;
  }
}

.hero-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFFFFF;
  border: 1px solid var(--aquavera-cyan-light);
  color: var(--aquavera-navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--aquavera-radius-pill);
  box-shadow: var(--aquavera-shadow-sm);
  margin-bottom: 1.25rem;
}
.hero-headline {
  font-size: clamp(1.75rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--aquavera-navy);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
  word-break: break-word;
}
.hero-headline .accent-text {
  background: var(--aquavera-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtext {
  font-size: 1.15rem;
  color: var(--aquavera-slate);
  max-width: 540px;
  margin-bottom: 2rem;
}

/* Hero Video Showcase - Expanded Size */
.hero-video-wrapper {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
}

.hero-video-card {
  position: relative;
  width: 100%;
  max-width: none;
  aspect-ratio: 16 / 9;
  border-radius: var(--aquavera-radius-lg);
  overflow: hidden;
  background-color: var(--aquavera-navy);
  box-shadow: 0 20px 45px rgba(16, 42, 67, 0.16), 0 0 0 1px rgba(25, 182, 201, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--aquavera-transition);
}

.hero-video-card:hover {
  box-shadow: 0 24px 50px rgba(16, 42, 67, 0.22), 0 0 0 1px rgba(25, 182, 201, 0.35);
}

.hero-video-element {
  width: 100%;
  max-width: none;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border-radius: inherit;
  background-color: var(--aquavera-navy);
}

.hero-video-card iframe {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
  border-radius: inherit;
}

/* Graceful Fallback Container */
.hero-video-fallback {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 40%, #FFFFFF 0%, #DDF7F7 100%);
  color: var(--aquavera-navy);
  text-align: center;
  padding: 2rem;
  z-index: 2;
  border-radius: inherit;
}

.hero-video-card.video-failed .hero-video-fallback {
  display: flex;
}

.hero-video-card.video-failed .hero-video-element,
.hero-video-card.video-failed .hero-video-control-btn {
  display: none !important;
}

/* Accessible Play/Pause Toggle */
.hero-video-control-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 5;
  background: rgba(16, 42, 67, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--aquavera-radius-pill);
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: var(--aquavera-transition);
  user-select: none;
}

.hero-video-control-btn:hover {
  background: rgba(16, 42, 67, 0.95);
  color: #65D6D0;
  border-color: rgba(101, 214, 208, 0.45);
}

.hero-video-control-btn:focus-visible {
  outline: 2px solid var(--aquavera-aqua);
  outline-offset: 2px;
}

@media (max-width: 991.98px) {
  .hero-video-col {
    margin-top: 2rem;
    width: 100%;
  }
  .hero-video-wrapper {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 575.98px) {
  .hero-section {
    padding: 3rem 0 3.5rem;
  }
  .hero-video-col {
    margin-top: 1.5rem;
  }
  .hero-video-card {
    border-radius: var(--aquavera-radius-md);
  }
  .hero-video-control-btn {
    bottom: 8px;
    right: 8px;
    padding: 4px 10px;
    font-size: 0.7rem;
  }
}

/* Trust Stats Strip */
.trust-stats-strip {
  background: var(--aquavera-navy);
  color: #FFFFFF;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--aquavera-navy-dark);
}
.stat-item {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0 1.5rem;
}
.stat-item:last-child {
  border-right: none;
}
.stat-number {
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  font-weight: 800;
  color: #65D6D0;
  line-height: 1.2;
}
.stat-label {
  font-size: 0.86rem;
  color: #CBD5E1;
  margin-bottom: 0;
}

@media (max-width: 767.98px) {
  .trust-stats-strip {
    padding: 1.5rem 0;
  }
  .stat-item {
    padding: 0 0.5rem;
  }
  .stat-item:nth-child(2n) {
    border-right: none;
  }
  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
  }
}

/* 3-Stage Water Purification Infographic Section */
.purification-infographic-section {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--aquavera-border);
}

.infographic-image-card {
  max-width: 1040px;
  width: 100%;
  border-radius: var(--aquavera-radius-lg);
  overflow: hidden;
  box-shadow: var(--aquavera-shadow-md);
  border: 1px solid var(--aquavera-border);
  background-color: #FFFFFF;
  transition: var(--aquavera-transition);
}

.infographic-image-card:hover {
  box-shadow: var(--aquavera-shadow-lg);
  border-color: rgba(25, 182, 201, 0.35);
}

.infographic-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: inherit;
}

@media (max-width: 575.98px) {
  .infographic-image-card {
    border-radius: var(--aquavera-radius-md);
  }
}

/* Product Card & Pale Aqua Image Container System */
.product-card {
  background: var(--aquavera-card-bg);
  border: 1px solid var(--aquavera-border);
  border-radius: 20px;
  transition: var(--aquavera-transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--aquavera-shadow-lg);
  border-color: #BBEBEB;
}

/* Reference-Style Pale Aqua Image Container */
.product-image-container {
  height: 290px;
  margin: 12px 12px 0 12px;
  width: calc(100% - 24px);
  border-radius: 16px;
  border: 1.5px solid #D6EFEF;
  background: linear-gradient(160deg, #F3FAFA 0%, #E7F6F7 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-sizing: border-box;
}

/* Detail page image container overrides */
.product-image-container.large-detail {
  height: 420px;
  margin: 0;
  width: 100%;
  border-radius: var(--aquavera-radius-md);
  border: 1.5px solid #D6EFEF;
  background: linear-gradient(160deg, #F3FAFA 0%, #E7F6F7 100%);
  padding: 24px;
}

/* Uncropped Centered Product Photograph */
.product-card-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-css-placeholder {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 40%, rgba(255, 255, 255, 0.95), rgba(221, 247, 247, 0.6) 75%);
}
.placeholder-water-rings {
  position: absolute;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 1.5px dashed rgba(25, 182, 201, 0.4);
}
.placeholder-core-badge {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  background: var(--aquavera-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0A2540;
  box-shadow: 0 8px 20px rgba(25, 182, 201, 0.3);
  z-index: 2;
  position: relative;
}
.placeholder-core-badge i {
  font-size: 2.2rem;
}
.placeholder-water-waves {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 48px;
  opacity: 0.6;
}
.placeholder-label-pill {
  position: absolute;
  bottom: 12px;
  background: rgba(16, 42, 67, 0.85);
  color: #E0F2FE;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: var(--aquavera-radius-pill);
  z-index: 3;
}

/* Floating Badges in Upper-Left Corner */
.product-badge-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  pointer-events: none;
}

.badge-discount {
  background: #E11D48;
  color: #FFFFFF;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  border-radius: var(--aquavera-radius-pill);
  box-shadow: 0 2px 6px rgba(225, 29, 72, 0.25);
  line-height: 1.2;
}

.badge-featured {
  background: var(--aquavera-navy);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  border-radius: var(--aquavera-radius-pill);
  box-shadow: 0 2px 6px rgba(16, 42, 67, 0.2);
  line-height: 1.2;
}

.badge-stock {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 5px 12px;
  border-radius: var(--aquavera-radius-pill);
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
}
.badge-stock-in {
  background: #0E8354;
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(14, 131, 84, 0.25);
}
.badge-stock-low {
  background: #D97706;
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.25);
}
.badge-stock-out {
  background: #DC2626;
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.25);
}

.product-card-body {
  padding: 1.15rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.product-card-cat {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--aquavera-aqua);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.product-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--aquavera-navy);
  margin-bottom: 8px;
  line-height: 1.35;
}
.product-card-title a {
  color: inherit;
}
.product-card-title a:hover {
  color: var(--aquavera-aqua);
}

.product-spec-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1rem;
}
.spec-pill {
  font-size: 0.74rem;
  background: #F1F5F9;
  color: var(--aquavera-slate);
  padding: 2px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.product-pricing-box {
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid #F1F5F9;
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 1rem;
}
.price-current {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--aquavera-navy);
}
.price-original {
  font-size: 0.88rem;
  color: #94A3B8;
  text-decoration: line-through;
}
.price-mrp-tag {
  font-size: 0.68rem;
  color: #64748B;
  background: #F1F5F9;
  padding: 1px 6px;
  border-radius: 4px;
}

/* Category Cards */
.category-card {
  background: #FFFFFF;
  border: 1px solid var(--aquavera-border);
  border-radius: var(--aquavera-radius-md);
  padding: 1.75rem 1.4rem;
  text-align: center;
  transition: var(--aquavera-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--aquavera-aqua);
  box-shadow: var(--aquavera-shadow-md);
}
.category-icon-orb {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: var(--aquavera-cyan-soft);
  color: var(--aquavera-aqua);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1.2rem;
  transition: var(--aquavera-transition);
}
.category-card:hover .category-icon-orb {
  background: var(--aquavera-accent-gradient);
  color: #0A2540;
  box-shadow: 0 6px 16px rgba(25, 182, 201, 0.3);
}

@media (max-width: 575.98px) {
  .category-card {
    padding: 1.25rem 0.85rem;
  }
  .category-icon-orb {
    width: 48px;
    height: 48px;
    font-size: 1.4rem;
    margin-bottom: 0.85rem;
  }
  .category-card h4 {
    font-size: 0.92rem !important;
  }
}

/* Purification Steps Flow */
.process-step-card {
  background: #FFFFFF;
  border: 1px solid var(--aquavera-border);
  border-radius: var(--aquavera-radius-md);
  padding: 1.75rem 1.25rem;
  position: relative;
  height: 100%;
}
.process-step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--aquavera-navy);
  color: #65D6D0;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

/* Comparison Floating Bar */
.compare-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #FFFFFF;
  box-shadow: 0 -8px 24px rgba(16, 42, 67, 0.12);
  border-top: 1px solid var(--aquavera-border);
  padding: 12px 0;
  z-index: 1040;
  transform: translateY(110%);
  transition: transform 0.3s ease-in-out;
}
.compare-sticky-bar.visible {
  transform: translateY(0);
}
.compare-thumb-pill {
  background: var(--aquavera-cyan-soft);
  border: 1px solid var(--aquavera-cyan-light);
  border-radius: var(--aquavera-radius-pill);
  padding: 4px 12px;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Filter Sidebar */
.filter-card {
  background: #FFFFFF;
  border: 1px solid var(--aquavera-border);
  border-radius: var(--aquavera-radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.filter-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--aquavera-navy);
  margin-bottom: 1rem;
  border-bottom: 1px solid #F1F5F9;
  padding-bottom: 0.5rem;
}

/* Dashboard & Admin Components */
.dashboard-card {
  background: #FFFFFF;
  border: 1px solid var(--aquavera-border);
  border-radius: var(--aquavera-radius-md);
  padding: 1.5rem;
  box-shadow: var(--aquavera-shadow-sm);
  transition: var(--aquavera-transition);
}
.dashboard-stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--aquavera-navy);
  line-height: 1.1;
}

/* Footer */
.aquavera-footer {
  background: var(--aquavera-navy-dark);
  color: #94A3B8;
  padding: 4rem 0 2rem;
  border-top: 3px solid var(--aquavera-aqua);
}
.aquavera-footer h5 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}
.aquavera-footer a {
  color: #CBD5E1;
  transition: var(--aquavera-transition);
}
.aquavera-footer a:hover {
  color: #65D6D0;
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: 0.84rem;
}

/* ==========================================================================
   Product Quick View / Preview Modal Styles
   ========================================================================== */
.product-image-container.product-preview-trigger {
  cursor: pointer;
  user-select: none;
}
.product-image-container.product-preview-trigger:focus-visible {
  outline: 3px solid var(--aquavera-aqua);
  outline-offset: 2px;
}
.product-image-container.product-preview-trigger img {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-image-container.product-preview-trigger:hover img {
  transform: scale(1.04);
}
.product-image-container.product-preview-trigger .product-css-placeholder {
  transition: transform 0.35s ease;
}
.product-image-container.product-preview-trigger:hover .product-css-placeholder {
  transform: scale(1.02);
}

.product-image-hover-hint {
  position: absolute;
  bottom: 12px;
  background: rgba(16, 42, 67, 0.88);
  color: #FFFFFF;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 4px 12px;
  border-radius: var(--aquavera-radius-pill);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
  z-index: 4;
}
.product-image-container.product-preview-trigger:hover .product-image-hover-hint,
.product-image-container.product-preview-trigger:focus-visible .product-image-hover-hint {
  opacity: 1;
  transform: translateY(0);
}

.quickview-modal-dialog {
  max-width: 960px;
}
.quickview-modal-content {
  border-radius: var(--aquavera-radius-lg);
  overflow: hidden;
  background-color: #FFFFFF;
}
.quickview-image-frame {
  height: 390px;
  background: linear-gradient(145deg, #F0FBFB 0%, #E6F7F8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.quickview-main-image-viewport {
  width: 100%;
  height: 100%;
  position: relative;
}
.quickview-main-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  padding: 1.25rem;
  transition: opacity 0.2s ease-in-out;
}
.quickview-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--aquavera-border);
  color: var(--aquavera-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: var(--aquavera-shadow-sm);
  transition: var(--aquavera-transition);
  z-index: 6;
}
.quickview-nav-btn:hover {
  background: #FFFFFF;
  color: var(--aquavera-aqua);
  box-shadow: var(--aquavera-shadow-md);
  transform: translateY(-50%) scale(1.08);
}
.quickview-nav-prev {
  left: 12px;
}
.quickview-nav-next {
  right: 12px;
}
.quickview-thumbnails-row {
  max-height: 82px;
}
.quickview-thumb-item {
  width: 64px;
  height: 64px;
  border-radius: var(--aquavera-radius-sm);
  border: 2px solid var(--aquavera-border);
  overflow: hidden;
  flex-shrink: 0;
  cursor: pointer;
  padding: 2px;
  background: #FFFFFF;
  transition: var(--aquavera-transition);
}
.quickview-thumb-item:hover {
  border-color: var(--aquavera-aqua);
}
.quickview-thumb-item.active {
  border-color: var(--aquavera-aqua);
  box-shadow: 0 0 0 2px rgba(25, 182, 201, 0.3);
}
.quickview-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

@media (max-width: 991.98px) {
  .product-image-container {
    height: 270px;
    padding: 14px;
  }
  .quickview-image-frame {
    height: 330px;
  }
}
@media (max-width: 575.98px) {
  .product-image-container {
    height: 240px;
    margin: 10px 10px 0 10px;
    width: calc(100% - 20px);
    border-radius: 14px;
    padding: 12px;
  }
  .product-badge-overlay {
    top: 10px;
    left: 10px;
    gap: 4px;
  }
  .badge-discount,
  .badge-featured,
  .badge-stock {
    font-size: 0.68rem;
    padding: 4px 10px;
  }
  .quickview-image-frame {
    height: 250px;
  }
}

/* Responsive Image Containers on Small Mobile */
@media (max-width: 379.98px) {
  .product-image-container {
    height: 200px;
    margin: 8px 8px 0 8px;
    width: calc(100% - 16px);
    padding: 10px;
  }
  .product-card-body {
    padding: 1rem 0.85rem;
  }
  .product-card-title {
    font-size: 1rem;
  }
  .price-current {
    font-size: 1.2rem;
  }
}

/* Detail Page Responsive Adjustments */
@media (max-width: 991.98px) {
  .product-image-container.large-detail {
    height: 360px;
    padding: 18px;
  }
}
@media (max-width: 575.98px) {
  .product-image-container.large-detail {
    height: 270px;
    padding: 14px;
    border-radius: var(--aquavera-radius-md);
  }
  .product-detail-ctas .btn {
    width: 100%;
    justify-content: center;
  }
  .product-nav-pills .nav-link {
    font-size: 0.82rem;
    padding: 0.5rem 1rem !important;
    white-space: nowrap;
  }
}

/* Comparison Table Responsive Touch Scroll */
.comparison-table-wrapper {
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

/* Mobile Quick View Modal */
@media (max-width: 575.98px) {
  .quickview-modal-dialog {
    margin: 0.5rem;
  }
  .quickview-modal-content {
    border-radius: var(--aquavera-radius-md);
  }
  .quickview-image-frame {
    height: 220px;
  }
  .quickview-thumb-item {
    width: 52px;
    height: 52px;
  }
}

/* Mobile Inputs & Tap Targets (Prevents iOS Safari auto-zoom) */
@media (max-width: 767.98px) {
  input.form-control,
  select.form-select,
  textarea.form-control {
    font-size: 16px !important;
  }
}

/* Compare Sticky Bar Mobile Optimization */
@media (max-width: 575.98px) {
  .compare-sticky-bar {
    padding: 8px 0;
  }
  .compare-thumb-pill {
    font-size: 0.74rem;
    padding: 2px 8px;
  }
}

/* Accessibility & Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}