/* ==========================================================================
   SAIXI PET - Index Page Full-Screen Layout
   Theme: Vibrant Royal Blue - NO GRADIENTS
   Exact Match for Reference Image (OUR BRANDS & PRODUCTS Section)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Banner Hero Section (100vh Full Screen - Pure Media Only)
   -------------------------------------------------------------------------- */
.banner-section {
  position: relative;
  width: 100vw;
  height: max(720px, 100vh);
  overflow: hidden;
  background: #000000;
  isolation: isolate;
}

.hero-motion-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px) 0 0 / 120px 100%,
    linear-gradient(180deg, rgba(255,255,255,0.06) 1px, transparent 1px) 0 0 / 100% 120px;
  opacity: 0.22;
}

.hero-motion-layer span {
  position: absolute;
  left: -12%;
  width: 124%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.78), transparent);
  animation: heroScanLine 7s linear infinite;
}

.hero-motion-layer span:nth-child(1) { top: 28%; }
.hero-motion-layer span:nth-child(2) { top: 52%; animation-delay: -2.2s; }
.hero-motion-layer span:nth-child(3) { top: 76%; animation-delay: -4.6s; }

@keyframes heroScanLine {
  from { transform: translateX(-18%); opacity: 0; }
  16%, 72% { opacity: 0.75; }
  to { transform: translateX(18%); opacity: 0; }
}

.hero-swiper {
  width: 100%;
  height: 100%;
}

.hero-swiper .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.banner-video,
.banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swiper Pagination & Navigation Controls */
.swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
  opacity: 1;
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: var(--transition-normal);
}

.swiper-pagination-bullet-active {
  width: 44px;
  border-radius: 6px;
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.5);
}

/* Hero Controls: Unified Bottom Bar */
.hero-controls-bar {
  position: absolute;
  bottom: 48px;
  left: 6vw;
  right: 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  pointer-events: none;
}

.hero-controls-bar > * {
  pointer-events: auto;
}

.hero-scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 32px;
  z-index: 21;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.82;
  transform: translateX(-50%);
}

.hero-scroll-cue i {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.58);
  border-radius: 50%;
  animation: scrollCueBounce 1.65s ease-in-out infinite;
}

@keyframes scrollCueBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(7px); }
}

/* Pager: Number + Progress Bar + Number */
.hero-pager {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-page-current,
.hero-page-total {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  min-width: 26px;
  text-align: center;
  letter-spacing: 0.04em;
}

.hero-page-current {
  color: #FFFFFF;
}

.hero-page-total {
  color: rgba(255, 255, 255, 0.45);
}

.hero-progress-track {
  width: 120px;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.hero-progress-fill {
  height: 100%;
  width: 0%;
  background: #FFFFFF;
  border-radius: 999px;
  transition: none;
}

.hero-progress-fill.animating {
  transition: width linear;
}

/* Navigation Arrows */
.hero-nav-arrows {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-nav-arrows .swiper-button-next,
.hero-nav-arrows .swiper-button-prev {
  position: static;
  margin-top: 0;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-nav-arrows .swiper-button-next::after,
.hero-nav-arrows .swiper-button-prev::after {
  font-size: 1rem;
  font-weight: bold;
}

.hero-nav-arrows .swiper-button-next:hover,
.hero-nav-arrows .swiper-button-prev:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(var(--primary-rgb), 0.4);
}


/* --------------------------------------------------------------------------
   2. About Us Section
   -------------------------------------------------------------------------- */
.about-section {
  padding: 0;
  background: #F8FAFC;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.about-section > .container {
  max-width: none;
  padding: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 50%) minmax(0, 50%);
  gap: 0;
  align-items: stretch;
  min-height: 820px;
}

.about-text {
  padding: 90px clamp(40px, 4vw, 80px) 70px clamp(48px, 4vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-text .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--bg-blue-soft);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
}

.about-text .section-tag i {
  font-size: 0.9rem;
}

.about-text h2 {
  max-width: 640px;
  font-size: clamp(2.4rem, 2.9vw, 3.6rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  color: var(--text-main);
}

.about-text h2 span {
  color: var(--primary);
}

.about-text p {
  color: #475569;
  max-width: 660px;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 36px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-bottom: 20px;
}

.stat-card {
  background: transparent;
  min-height: auto;
  padding: 24px 28px;
  border-radius: 0;
  border: none;
  border-left: 1px solid #E2E8F0;
  box-shadow: none;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.stat-card:first-child {
  border-left: none;
  padding-left: 0;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: #E2E8F0;
  box-shadow: none;
}


.stats-grid.is-counted .stat-card::after,
.stat-card:hover::after {
  transform: scaleX(1);
}

.stat-number {
  font-size: clamp(2.2rem, 2.6vw, 3rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 2px;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.stats-grid.is-counted .stat-number {
  opacity: 1;
  transform: translateY(0);
}

.stat-label {
  font-size: 0.92rem;
  font-weight: 500;
  color: #64748B;
  line-height: 1.45;
}

.about-capability-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 36px;
}

.about-capability-strip span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(var(--primary-rgb), 0.14);
  border-radius: 999px;
  background: #FFFFFF;
  color: #334155;
  font-size: 0.78rem;
  font-weight: 800;
  transition: transform 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.about-capability-strip span:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  color: var(--primary);
}

.about-media-wrap {
  position: relative;
  min-height: 820px;
  overflow: hidden;
}

.about-main-img {
  border-radius: 0;
  box-shadow: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translateY(var(--about-parallax, 0px)) scale(1.03);
  transition: transform 0.18s linear;
}

.about-badge-float {
  position: absolute;
  bottom: 48px;
  right: 48px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  padding: 20px 26px;
  border-radius: 18px;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  animation: floatBadge 4s ease-in-out infinite;
}



@keyframes livePulse {
  70% { box-shadow: 0 0 0 12px rgba(49, 213, 123, 0); }
  100% { box-shadow: 0 0 0 0 rgba(49, 213, 123, 0); }
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.about-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bg-blue-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.about-badge-text h5 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 2px;
}

.about-badge-text p {
  font-size: 0.88rem;
  color: #64748B;
  margin-bottom: 0;
}

.about-actions {
  display: flex;
  align-items: center;
  gap: 36px;
}

.about-actions .btn {
  min-height: 54px;
  padding: 0 32px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(var(--primary-rgb), 0.18);
}

.about-actions .btn i {
  margin-left: 16px;
  transition: transform 0.25s ease;
}

.about-actions .btn:hover i {
  transform: translateX(4px);
}

.about-factory-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: var(--text-main);
  transition: color 0.25s ease;
}

.about-factory-link:hover {
  color: var(--primary);
}

.about-factory-icon {
  width: 66px;
  height: 66px;
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.55);
  font-size: 1.35rem;
}

.about-factory-link strong,
.about-factory-link small {
  display: block;
}

.about-factory-link strong {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.about-factory-link small {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   3. OUR CORE STRENGTHS - Expandable Cards Row
   -------------------------------------------------------------------------- */
.strength-section {
  padding: 90px 0;
  background: #FFFFFF;
  width: 100%;
}

/* Cards Row */
.strength-row {
  display: flex;
  gap: 16px;
  height: 500px;
  width: 100%;
}

/* Individual Card */
.strength-card {
  flex: 1;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
  transition: flex 0.65s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.strength-card.active {
  flex: 4;
  border-color: rgba(var(--primary-rgb), 0.3);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
}

/* Background Image */
.strength-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
  filter: brightness(0.88);
}

.strength-card:hover .strength-card-bg,
.strength-card.active .strength-card-bg {
  transform: scale(1.06);
  filter: brightness(0.95);
}

/* Gradient Overlay */
.strength-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.2) 0%,
    rgba(15, 23, 42, 0.45) 45%,
    rgba(15, 23, 42, 0.88) 100%
  );
  transition: background 0.5s ease;
}

.strength-card.active .strength-card-overlay {
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.25) 0%,
    rgba(15, 23, 42, 0.5) 40%,
    rgba(15, 23, 42, 0.92) 100%
  );
}

/* Content Layer */
.strength-card-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 28px;
  z-index: 2;
}

/* Top Section & Number Badge */
.strength-card-top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.strength-card-num {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 4px 14px;
  border-radius: 999px;
  transition: all 0.4s ease;
}

.strength-card.active .strength-card-num,
.strength-card:hover .strength-card-num {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.4);
}

/* Bottom Section Container */
.strength-card-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Title */
.strength-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.25;
  margin: 0;
  transition: font-size 0.4s ease, margin 0.4s ease, text-shadow 0.4s ease;
}

.strength-card.active .strength-card-title {
  font-size: 1.7rem;
  margin-bottom: 12px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Description - hidden by default, shown when active */
.strength-card-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.7;
  max-width: 560px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(12px);
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.4s ease 0.15s,
              transform 0.4s ease 0.15s;
  margin: 0;
}

.strength-card.active .strength-card-desc {
  max-height: 220px;
  opacity: 1;
  transform: translateY(0);
}

/* Arrow Link */
.strength-card-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #FFFFFF;
  text-decoration: none;
  margin-top: 18px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease 0.2s, transform 0.35s ease 0.2s,
              background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  font-size: 0.95rem;
}

.strength-card.active .strength-card-arrow {
  opacity: 1;
  transform: translateY(0);
}

.strength-card-arrow:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 8px 22px rgba(var(--primary-rgb), 0.45);
  transform: translateY(0) scale(1.08);
}

/* Strength cards: compact reference layout with a selectable image state. */
.strength-section {
  padding: 76px 0 90px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFF 100%);
}

.strength-row { gap: 14px; height: 450px; }

.strength-card {
  min-width: 0;
  border: 0;
  padding: 0;
  font: inherit;
  text-align: left;
  border-radius: 12px;
  background: #EDF3FF;
  box-shadow: 0 10px 24px rgba(30, 64, 175, 0.06);
  transition: flex 0.55s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}

.strength-card.active {
  flex: 2.15;
  box-shadow: 0 16px 34px rgba(21, 94, 239, 0.2);
}

.strength-card-bg {
  opacity: 0;
  transform: scale(1.04);
  filter: none;
  transition: opacity 0.4s ease, transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.strength-card.active .strength-card-bg {
  opacity: 1;
  transform: scale(1);
}

.strength-card-simple-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: ce;
  padding: 26px 24px 22px;
  color: var(--text-main);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.strength-icon,
.strength-active-icon {
  width: 50px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 22px;
  box-shadow: 0 7px 16px rgba(var(--primary-rgb), 0.22);
}

.strength-card-simple-content h3 {
  margin: 19px 0 10px;
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.25;
}

.strength-rule {
  width: 32px;
  height: 2px;
  margin-bottom: 13px;
  background: var(--primary);
}

.strength-card-simple-content p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.strength-learn-more {
  margin-top: auto;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
}

.strength-learn-more i { margin-left: 5px; }

.strength-card-active-content {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: 112px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #FFFFFF;
  background: linear-gradient(105deg, rgba(var(--primary-rgb), 0.96), rgba(15, 91, 221, 0.9));
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.3s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.strength-card-active-content h3 {
  margin: 0 0 5px;
  font-size: 1.16rem;
  font-weight: 800;
}

.strength-card-active-content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.78rem;
  line-height: 1.55;
}

.strength-active-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  background: #FFFFFF;
  color: var(--primary);
  font-size: 20px;
  box-shadow: none;
}

.strength-flow-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: min(100%, 620px);
  margin: 34px auto 0;
}

.strength-flow-line span {
  width: 86px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(var(--primary-rgb),0.12), rgba(var(--primary-rgb),0.76), rgba(var(--primary-rgb),0.12));
  background-size: 200% 100%;
  animation: strengthFlow 2.8s linear infinite;
}

.strength-flow-line span:nth-child(2) { animation-delay: -0.7s; }
.strength-flow-line span:nth-child(3) { animation-delay: -1.4s; }

@keyframes strengthFlow {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.strength-card.active .strength-card-simple-content {
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
}

.strength-card.active .strength-card-active-content {
  opacity: 1;
  transform: translateY(0);
}

.strength-card:focus-visible {
  outline: 3px solid rgba(var(--primary-rgb), 0.5);
  outline-offset: 4px;
}


/* --------------------------------------------------------------------------
   4. OUR BRANDS & PRODUCTS (EXACT REFERENCE IMAGE LAYOUT & STYLING)
   Left Side: White Container with Arc Right Edge + Vertical Timeline Logos
   Right Side: Brand Title, Subtitle, View All Link, 4 Product Cards + Right Side Arrows
   -------------------------------------------------------------------------- */
.brand-products-section {
  padding: 0;
  background: #FFFFFF;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.brand-products-section::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 33vw;
  height: 100%;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(40,139,208,0.055) 0 1px, transparent 1px 88px);
  opacity: 0.45;
}

.brand-ref-wrapper {
  display: grid;
  grid-template-columns: minmax(440px, 33vw) minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
  min-height: 780px;
  width: 100%;
}

/* Left Column: White Card Container with Arc Curve on Right Edge */
.brand-ref-left-card {
  background: transparent;
  padding: 56px 40px 52px clamp(56px, 3.8vw, 76px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 0;
  box-shadow: none;
  height: 100%;
  min-height: 780px;
  position: relative;
  z-index: 2;
  overflow: hidden;
}

/* A clipped oversized circle creates the broad right-hand arc. */
.brand-ref-left-card::before {
  content: '';
  position: absolute;
  z-index: 0;
  top: 50%;
  right: 0;
  width: 1760px;
  height: 1760px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: linear-gradient(165deg, #EAF2FF 0%, #F4F8FF 56%, #FFFFFF 100%);
  pointer-events: none;
}

.brand-ref-left-card > div:not(.paw-watermark-bg),
.brand-ref-left-card > .brand-oem-note {
  position: relative;
  z-index: 2;
}

.paw-watermark-bg {
  position: absolute;
  right: 7%;
  top: 50%;
  transform: translateY(-50%);
  width: 116px;
  height: 116px;
  fill: rgba(var(--primary-rgb), 0.1);
  pointer-events: none;
  z-index: 1;
}

.brand-ref-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--bg-blue-soft);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.brand-signal-row {
  display: flex;
  gap: 8px;
  margin: -10px 0 22px;
}

.brand-signal-row span {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  color: var(--primary);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand-ref-heading {
  font-size: clamp(2rem, 2vw, 2.65rem);
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.14;
  margin-bottom: 26px;
  letter-spacing: -0.5px;
}

.brand-ref-heading span.highlight-blue {
  color: var(--primary);
}

.brand-ref-desc {
  max-width: 300px;
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

/* Vertical Timeline Brand Switcher */
.brand-timeline-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 2px;
}

/* Vertical Connecting Line */
.brand-timeline-stack::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: #E2E8F0;
  z-index: 1;
}

.brand-timeline-item {
  display: flex;
  align-items: center;
  gap: 32px;
  position: relative;
  z-index: 2;
  cursor: pointer;
  transition: all 0.3s ease;
}

.brand-timeline-item:hover {
  transform: translateX(8px);
}

.brand-timeline-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #CBD5E1;
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 2px #E2E8F0;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.brand-timeline-item.active .brand-timeline-dot,
.brand-timeline-item:hover .brand-timeline-dot {
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.25);
}

.brand-logo-box {
  width: 204px;
  min-width: 204px;
  min-height: 68px;
  padding: 10px 16px;
  border-radius: 11px;
  background: transparent;
  box-shadow: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-timeline-item.active .brand-logo-box {
  background: transparent;
  box-shadow: none;
  border: 0;
}

.brand-logo-box img {
  /* max-height: 46px; */
  max-width: 146px;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0.45;
  transition: opacity 0.3s ease;
}

.brand-timeline-item.active .brand-logo-box img,
.brand-timeline-item:hover .brand-logo-box img {
  opacity: 1;
}

/* Right Side Column (Brand Header + Product Swiper) */
.brand-ref-right-content {
  min-width: 0;
  padding: 94px clamp(34px, 3vw, 60px) 58px clamp(28px, 2.5vw, 48px);
  position: relative;
}

.brand-right-top-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 20px;
}

.brand-right-title-group h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.brand-right-title-group p {
  max-width: 430px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.brand-right-title-group.is-brand-changing {
  animation: brandTitleRefresh 0.42s ease;
}

@keyframes brandTitleRefresh {
  0% { opacity: 0.35; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

.brand-view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  transition: var(--transition-fast);
}

.brand-view-all-link:hover {
  transform: translateX(4px);
}

/* Product Swiper Container */
.brand-products-swiper-wrap {
  width: 100%;
  position: relative;
}

.brand-products-swiper {
  width: 100%;
  padding: 12px 6px 20px;
}

.brand-product-card-item {
  background: #FFFFFF;
  position: relative;
  border-radius: 16px;
  padding: 0 0 14px;
  text-align: center;
  border: 1px solid #E2E8F0;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  height: 330px;
  min-height: 330px;
  overflow: hidden;
}

.brand-product-card-item::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,0.74) 46%, transparent 60%);
  transform: translateX(-140%);
  transition: transform 0.7s ease;
}

.brand-product-card-item:hover::before {
  transform: translateX(140%);
}

.brand-product-card-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px rgba(40, 139, 208, 0.16);
  border-color: var(--primary);
}

.brand-product-img-holder {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.brand-product-img-holder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-product-card-item:hover .brand-product-img-holder img {
  transform: scale(1.04);
}

.brand-product-info-wrap {
  padding: 14px 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 76px;
  flex: 0 0 76px;
}

.brand-product-title-text {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0;
  line-height: 1.35;
  text-align: center;
  min-height: 2.7em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

.brand-product-card-item:hover .brand-product-title-text {
  color: var(--primary);
}

/* Right Side Blue Chevrons Navigation Arrows */
.brand-ref-right-arrows {
  position: absolute;
  right: 0;
  /* bottom:0px; */
  transform: none;
  display: flex;
  flex-direction: row;
  gap: 14px;
  z-index: 10;
}

.brand-side-arrow-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-blue-soft);
  border: 0;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 1rem;
  box-shadow: none;
}

.brand-wordmark {
  color: #FF2727;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.brand-wordmark-sub {
  color: #A1A9B9;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-oem-note {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  color: #68738D;
}

.brand-oem-note .oem-seal-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
  border: 1px solid rgba(var(--primary-rgb), 0.18);
  border-radius: 50%;
  font-size: 1rem;
  box-shadow: inset 0 0 0 6px #FFFFFF;
}

.brand-oem-note strong,
.brand-oem-note small {
  display: block;
}

.brand-oem-note strong {
  font-size: 0.72rem;
}

.brand-oem-note small {
  margin-top: 2px;
  font-size: 0.66rem;
}

.brand-card-arrow {
  position: absolute;
  bottom: 14px;
  left: 50%;
  width: 28px;
  height: 28px;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-blue-soft);
  color: var(--primary);
  font-size: 0.65rem;
}

.brand-side-arrow-btn:hover {
  background: var(--primary);
  color: #FFFFFF;
  transform: scale(1.08);
}

.brand-side-arrow-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
  transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   5. OEM Customization Process Pipeline (Matching Reference Image)
   -------------------------------------------------------------------------- */
.process-section {
  padding: 0 0 84px;
  background: #F4F8FD;
  width: 100%;
  overflow: hidden;
}

.oem-intro {
  display: block;
  min-height: 680px;
  background: #FFFFFF url('../images/index-oem.png') center center / cover no-repeat;
}

.oem-intro-copy {
  position: relative;
  padding: 36px clamp(48px, 4.5vw, 84px) 60px;
  overflow: hidden;
  width: 48%;
  min-height: 630px;
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.oem-intro-copy .section-tag {
  align-self: flex-start;
  width: auto;
  margin-bottom: 24px;
}

.oem-intro h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  color: var(--text-main);
  font-size: clamp(2.2rem, 2.7vw, 3.4rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.oem-intro h2 span {
  color: var(--primary);
}

.oem-intro-copy p {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.oem-title-line {
  position: relative;
  z-index: 1;
  display: block;
  width: 36px;
  height: 3px;
  border-radius: 999px;
  background: var(--primary);
}

.oem-intro-media {
  display: none;
}

.oem-intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.oem-workflow-wrap {
  position: relative;
  z-index: 2;
  width: min(100% - 6vw, 1480px);
  margin: -166px auto 0;
  padding-top: 14px;
}

.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-step-card {
  position: relative;
  min-height: 242px;
  padding: 28px 28px 24px;
  background: #FFFFFF;
  border-radius: 18px;
  border: 1px solid rgba(40, 139, 208, 0.08);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.035);
  transition: var(--transition-normal);
  text-align: left;
}

.process-step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(40, 139, 208, 0.12);
  border-color: var(--primary);
}

.step-icon-badge {
  position: absolute;
  top: 26px;
  left: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 0;
  box-shadow: 0 8px 20px rgba(40, 139, 208, 0.3);
  flex-shrink: 0;
}

.step-card-content h4 {
  min-height: 56px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin: 2px 0 10px 78px;
}

.step-title-underline {
  display: block;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--primary);
  margin: 0 0 16px 78px;
}

.step-card-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}


/* --------------------------------------------------------------------------
   6. Contact & Global Inquiry Form Section
   -------------------------------------------------------------------------- */
.inquiry-section {
  position: relative;
  min-height: 440px;
  padding: 0;
  display: grid;
  place-items: center;
  background: #15200D url('../images/inquiry-pet-trust-bg.png') center center / cover fixed no-repeat;
  width: 100%;
  overflow: hidden;
  isolation: isolate;
}

.inquiry-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(5, 11, 3, 0.52);
}

.inquiry-section > .container {
  display: none;
}

.inquiry-content {
  position: relative;
  z-index: 1;
  width: min(100% - 48px, 820px);
  padding: 76px 0;
  text-align: center;
  color: #FFFFFF;
}

.inquiry-eyebrow {
  margin: 0 0 18px;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.inquiry-content h2 {
  margin: 0 0 18px;
  color: #FFFFFF;
  font-size: clamp(2rem, 2.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
}

.inquiry-content > p:not(.inquiry-eyebrow) {
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.96);
  font-size: 1rem;
  line-height: 1.85;
}

.inquiry-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 13px 22px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 700;
}

.inquiry-cta:hover {
  background: #FFFFFF;
  color: var(--text-main);
}

/* Responsive Media Queries */
@media (max-width: 1200px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-text {
    padding: 82px 8vw 64px;
  }

  .about-media-wrap {
    min-height: 620px;
  }

  .strength-row {
    height: 420px;
  }

  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 18px;
  }

  .process-steps-grid::before {
    display: none;
  }

}

@media (max-width: 900px) {
  .brand-ref-wrapper {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .brand-ref-left-card {
    border-radius: 0 0 48px 48px;
    min-height: auto;
    padding: 32px 8vw;
  }

  .brand-ref-desc {
    max-width: 430px;
  }

  .brand-timeline-stack {
    flex-direction: row;
    flex-wrap: wrap;
    padding-left: 0;
  }

  .brand-timeline-stack::before {
    display: none;
  }

  .brand-ref-right-content {
    padding: 44px 8vw 74px;
  }

  .brand-ref-right-arrows {
    right: 5vw;
    bottom: 0;
  }

  .brand-product-card-item {
    height: 330px;
    min-height: 330px;
    padding-top: 0;
  }

  .brand-product-img-holder {
    height: auto;
  }
}

@media (max-width: 768px) {
  .hero-motion-layer {
    opacity: 0.14;
  }
  .hero-scroll-cue {
    bottom: 96px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-text {
    padding: 64px 24px 52px;
  }
  .about-text h2 {
    font-size: 2.35rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-card {
    border-left: none;
    border-top: 1px solid #E2E8F0;
    padding: 20px 0;
  }
  .stat-card:first-child {
    border-top: none;
    padding-top: 0;
  }
  .about-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }
  .about-media-wrap {
    min-height: 440px;
  }
  .about-badge-float {
    right: 20px;
    bottom: 20px;
    max-width: calc(100% - 40px);
    padding: 18px;
    gap: 12px;
  }

  .about-badge-icon {
    width: 42px;
    height: 42px;
    font-size: 1.4rem;
  }
  .brand-right-top-bar {
    flex-direction: column;
    gap: 16px;
  }
  .brand-signal-row {
    flex-wrap: wrap;
  }
  .strength-row {
    flex-direction: column;
    height: auto;
    gap: 16px;
  }
  .strength-card {
    flex: none !important;
    height: 220px;
  }
  .strength-card.active {
    height: 320px;
  }
  .strength-card-content {
    padding: 24px 20px;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
    gap: 64px;
  }
  .oem-intro {
    grid-template-columns: 1fr;
  }
  .oem-intro-copy {
    width: 100%;
    min-height: 450px;
    padding: 36px 24px 54px;
  }
  .oem-intro h2 {
    font-size: 2.4rem;
  }
  .oem-intro-media {
    min-height: 310px;
  }
  .oem-workflow-wrap {
    width: min(100% - 32px, 1420px);
    margin-top: -64px;
    padding-top: 58px;
  }
  .process-step-card {
    min-height: 310px;
  }
}

/* Strength card responsive overrides for the compact selected-card layout. */
@media (max-width: 1200px) and (min-width: 769px) {
  .strength-row { height: 400px; }
  .strength-card-simple-content { padding: 22px 18px 18px; }
  .strength-card-simple-content p { font-size: 0.7rem; }
}

@media (max-width: 768px) {
  .strength-section { padding: 58px 0 68px; }
  .strength-card { height: 260px; }
  .strength-card-simple-content { padding: 24px 22px 20px; }
  .strength-card.active { height: 380px; }
  .strength-card-active-content { min-height: 88px; padding: 14px 18px; }
}

/* Scroll-triggered loading motion for homepage modules. */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(46px);
  will-change: opacity, transform;
  transition:
    opacity 0.8s ease-out var(--reveal-delay, 0ms),
    transform 1.12s cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
}

.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

#brands .brand-ref-left-card.reveal-on-scroll { transform: translateX(-52px); }
#brands .brand-ref-right-content.reveal-on-scroll { transform: translateX(52px); }
#brands .brand-ref-left-card.reveal-on-scroll.is-revealed,
#brands .brand-ref-right-content.reveal-on-scroll.is-revealed { transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-motion-layer span,
  .hero-scroll-cue i,
  .live-dot,
  .strength-flow-line span {
    animation: none;
  }
  .about-main-img {
    transform: none;
    transition: none;
  }
}

/* Shared homepage typography scale. */
.about-text h2,
.strength-section .section-title,
.brand-ref-heading,
.oem-intro h2,
.inquiry-content h2 {
  font-size: var(--font-section-title);
}

.about-text p,
.strength-section .section-desc,
.brand-ref-desc,
.oem-intro-copy p,
.inquiry-content > p:not(.inquiry-eyebrow),
.strength-card-simple-content p,
.strength-card-active-content p,
.process-step-card p,
.brand-product-info-wrap p {
  font-size: var(--font-body);
}

.strength-card-simple-content h3,
.strength-card-active-content h3,
.process-step-card h4,
.brand-product-title-text,
.brand-right-title-group h3 {
  font-size: var(--font-card-title);
}

.section-tag,
.brand-ref-tag,
.inquiry-eyebrow,
.strength-learn-more,
.process-step-card .step-title-underline {
  font-size: var(--font-body-small);
}

@media (max-width: 768px) {
  :root {
    --font-section-title: 2.25rem;
    --font-card-title: 1.1rem;
    --font-body: 0.95rem;
    --font-body-small: 0.84rem;
  }
}