/* ============================================
   INDEX.CSS - Home Page Specific Styles
   Hebei Cangtie Industrial Co., Ltd.
   REDESIGNED - Modern Enterprise Layout
============================================ */

/* =============================================
   HERO BANNER SECTION
============================================= */
.hero-banner {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}

.hero-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.35) 100%
  );
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1000px;
  padding: 0 var(--page-padding);
  margin-top: 5%;
}
@media (max-width: 1281px) {
  .hero-content {
    margin-top: 0;
  }
}
@media (max-width: 1024px) {
  .hero-content {
    margin-top: 15%;
  }
}
.hero-sub {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--clr-accent);
  margin-bottom: var(--sp-md);
  display: block;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: var(--sp-lg);
  animation: fadeInUp 1s 0.2s ease forwards;
  opacity: 0;
}

.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--sp-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s 0.4s ease forwards;
  opacity: 0;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: var(--sp-md);
  animation: fadeInUp 1s 0.6s ease forwards;
  opacity: 0;
}

/* =============================================
   ADVANTAGES SECTION — Pure White Theme
============================================= */
.adv-section {
  background: #ffffff; /* Pure white */
  overflow: hidden;
}

.adv-inner {
  display: grid;
  grid-template-columns: 0.6fr 1fr;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px var(--page-padding) 50px;
}

/* Left Stats Panel - Light Version */
.adv-stats {
  background: #f0f4f9; /* Very subtle blue tint */
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-right: 1px solid #f0f3f8;
}

.adv-stats::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(10, 75, 143, 0.03); /* Subtle blue circle */
  pointer-events: none;
}

.adv-eyebrow {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--sp-lg);
}

.adv-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  font-weight: 900;
  color: var(--clr-primary-dark);
  line-height: 1.05;
  margin-bottom: var(--sp-2xl);
}

.adv-headline span {
  color: var(--clr-accent);
}

.adv-stat-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.adv-stat-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.adv-stat-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.adv-stat-num {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--clr-primary-dark);
  line-height: 1;
}

.adv-stat-unit {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1;
}

.adv-stat-label {
  width: 100%;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-text-muted); /* Darker color for light theme */
  margin-top: 2px;
}

/* Right Features Area */
.adv-features {
  background: #fff; /* White background */
  padding: 50px 0;
  padding-right: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}

.adv-feat-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2xl);
}

.adv-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  position: relative;
  padding-left: 20px;
}

.adv-feat-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #eee;
}

/* Accent slide indicator on hover */
.adv-feat-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--clr-primary);
  transition: height 0.4s ease;
}

.adv-feat-item:hover::after {
  height: 100%;
}

.adv-feat-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: #e9ecf2; /* Improved contrast gray */
  line-height: 0.8;
  min-width: 60px;
  transition: all 0.3s;
}

.adv-feat-item:hover .adv-feat-num {
  color: var(--clr-primary-light);
  transform: translateY(-5px);
}

.adv-feat-text h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-primary-dark);
  margin-bottom: 12px;
}

.adv-feat-text p {
  font-size: 1rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 540px;
}

.adv-feat-body {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  flex: 1;
}

.adv-feat-icon {
  width: 48px;
  height: 48px;
  background: #f0f4f9; /* Soft blue background */
  border: 1px solid #e1e8f0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--clr-primary);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.adv-feat-item:hover .adv-feat-icon {
  background: var(--clr-accent);
  color: var(--clr-primary-dark);
  border-color: var(--clr-accent);
  transform: scale(1.1);
}

.adv-feat-item:hover .adv-feat-text h3 {
  color: var(--clr-primary);
}

/* =============================================
   PRODUCTS SECTION — Left-Tab / Right-Panel
============================================= */
.prod-section {
  background: white;
  padding: var(--sp-3xl) 0;
  overflow: hidden;
}

.prod-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-lg);
  max-width: var(--max-width);
  margin: 0 auto var(--sp-2xl);
  padding: 0 var(--page-padding);
}

.prod-header-left {
  flex: 1;
}

.prod-view-all {
  flex-shrink: 0;
  font-size: 0.82rem;
}

.prod-stage {
  display: grid;
  grid-template-columns: 320px 1fr;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding);
  gap: 0;
  min-height: 600px;
}

/* Left: vertical tabs */
.prod-tabs {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--clr-border);
  padding-right: 0;
  justify-content: center;
}

.prod-tab {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 24px 28px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  border-left: 3px solid transparent;
  transition: all var(--transition-base);
  position: relative;
}

.prod-tab::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-right: 8px solid var(--clr-bg-section);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.prod-tab.active::after {
  opacity: 1;
}

.prod-tab-cat {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.prod-tab-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-text-secondary);
  transition: color var(--transition-fast);
  line-height: 1.2;
}

.prod-tab:hover,
.prod-tab.active {
  background: rgba(10, 75, 143, 0.04);
  border-left-color: var(--clr-primary-light);
}

.prod-tab.active .prod-tab-cat {
  color: var(--clr-primary-light);
}

.prod-tab:hover .prod-tab-name,
.prod-tab.active .prod-tab-name {
  color: var(--clr-primary);
}

/* Right: display panels */
.prod-display {
  position: relative;
  background: #fff;
  overflow: hidden;
}

.prod-panel {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  opacity: 0;
  pointer-events: none;
  transform: translateX(32px);
  transition:
    opacity 0.42s ease,
    transform 0.42s ease;
  z-index: 0;
      align-items: center;
}

.prod-panel.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  z-index: 1;
}

.prod-panel-img {
  overflow: hidden;
  background: var(--clr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  height: fit-content;
}

.prod-panel-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  transition: transform var(--transition-slow);
}

.prod-panel.active .prod-panel-img img:hover {
  transform: scale(1.05);
}

.prod-panel-info {
  padding: 60px 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-lg);
  order: -1;
}
.prod-panel-info p{
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 5;
  line-clamp:5;
  overflow: hidden;
  text-overflow: ellipsis;
}
.prod-panel-cat {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-primary-light);
  padding: 4px 12px;
  background: rgba(10, 75, 143, 0.08);
  border-radius: var(--radius-full);
  display: inline-block;
  width: fit-content;
}

.prod-panel-name {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 800;
  color: var(--clr-text-primary);
  line-height: 1.15;
}
.prod-panel-info .btn::after{
  display:none;
}
/* Spec list */
.prod-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--clr-border);
}

.prod-specs li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--clr-border);
  font-size: 0.9rem;
}

.prod-specs li span {
  color: var(--clr-text-muted);
}
.prod-specs li strong {
  color: var(--clr-text-primary);
  font-weight: 600;
}

/* =============================================
   APPLICATION FIELDS — Zigzag Layout
============================================= */
.appfield-section {
  background: #fff;
  /* padding-bottom: 0; */
}

.appfield-zigzag {
  margin-top: var(--sp-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

.appzz-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  min-height: 500px;
}

.appzz-reversed {
  direction: rtl;
}

.appzz-reversed > * {
  direction: ltr; /* Reset text direction for content */
}

.appzz-visual {
  position: relative;
  height: 500px;
  overflow: hidden;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.1);
}

.appzz-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.appzz-item:hover .appzz-visual img {
  transform: scale(1.1);
}

.appzz-num {
  position: absolute;
  top: 40px;
  left: 40px;
  font-family: var(--font-heading);
  font-size: 6rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.15);
  line-height: 1;
  z-index: 1;
  text-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
}

.appzz-reversed .appzz-num {
  left: auto;
  right: 40px;
}

.appzz-content {
  padding: 80px 10%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.appzz-icon {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  background: var(--clr-primary-light);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.appzz-content h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--clr-primary-dark);
  margin-bottom: 16px;
}

.appzz-content p {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.appzz-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--clr-primary);
  text-decoration: none;
  transition: gap 0.3s;
}

.appzz-link:hover {
  gap: 16px;
}

/* =============================================
   COMPANY ABOUT SECTION
============================================= */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3xl);
  align-items: center;
}

.about-content {
  position: relative;
}

.about-image {
  position: relative;
}

.about-image img {
  /* border-radius: var(--radius-xl); */
  box-shadow: var(--shadow-xl);
  height: 500px;
}

.about-experience {
  position: absolute;
  bottom: -30px;
  right: -30px;
  background: var(--clr-primary);
  color: #fff;
  padding: 30px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.exp-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
}

.exp-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* =============================================
   SERVICE PROMO
============================================= */
.service-promo {
  background: var(--clr-primary-dark);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--sp-2xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-xl);
}

.promo-content {
  flex: 1;
}

.promo-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: var(--sp-md);
}

/* =============================================
   CASE STUDIES — Accordion Row List
============================================= */
/* .cases-section {
  background: var(--clr-bg-section);
} */

.cases-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-2xl);
}

.cases-list {
  border-top: 1px solid var(--clr-border);
}

/* Wrapper for each case item */
.case-item {
  border-bottom: 1px solid var(--clr-border);
  overflow: hidden;
}

.case-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-xl);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: background var(--transition-base);
}

/* Full-row fill when active or hover */
.case-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--clr-primary-dark);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.case-item.active .case-row::before,
.case-row:hover::before {
  transform: scaleX(1);
}

.case-row > * {
  position: relative;
  z-index: 1;
}

.case-row-left {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.case-num {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--clr-border);
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.case-item.active .case-num,
.case-row:hover .case-num {
  color: rgba(255, 255, 255, 0.15);
}

.case-info {
  flex: 1;
}

.case-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 10px;
  transition: color var(--transition-base);
}

.case-item.active .case-title,
.case-row:hover .case-title {
  color: #fff;
}

.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.case-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  background: rgba(10, 75, 143, 0.07);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.case-item.active .case-tag,
.case-row:hover .case-tag {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.65);
}

.case-row-right {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-shrink: 0;
}

.case-stat {
  text-align: right;
}

.case-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-text-primary);
  line-height: 1;
  transition: color var(--transition-base);
}

.case-item.active .case-stat strong,
.case-row:hover .case-stat strong {
  color: #fff;
}

.case-stat span {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  transition: color var(--transition-base);
}

.case-item.active .case-stat span,
.case-row:hover .case-stat span {
  color: rgba(255, 255, 255, 0.5);
}

/* Arrow: + rotates to × when open */
.case-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
  transition:
    transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.3s,
    color 0.3s,
    border-color 0.3s;
}

.case-item.active .case-arrow {
  transform: rotate(45deg);
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-primary-dark);
}

/* Accordion detail panel */
.case-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--clr-primary-dark);
}

.case-item.active .case-detail {
  max-height: 240px;
}

.case-detail-inner {
  padding: 32px 24px 32px 152px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.case-detail-inner p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.75;
}

.case-detail-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-detail-spec {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
}

.case-detail-spec span {
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.78rem;
}

.case-detail-spec strong {
  color: #fff;
  font-weight: 600;
}

/* =============================================
   NEWS SECTION
============================================= */
.news-section {
  background: white;
}

.news-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2xl);
  align-items: stretch;
}

.news-main-card {
  position: relative;
  min-height: 460px;
  height: 100%;
  /* border-radius: var(--radius-xl); */
  overflow: hidden;
}

.news-main-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-main-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(4, 10, 25, 0.95) 0%,
    rgba(4, 10, 25, 0.3) 55%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-2xl);
  color: #fff;
}

.news-main-title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 10px;
}

.news-main-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-main-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--clr-accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: gap var(--transition-fast);
}

.news-main-link:hover {
  gap: 14px;
}

/* Right side: clean list, no cards */
.news-list {
  display: flex;
  flex-direction: column;
  height: 100%;
  /* border-top: 2px solid var(--clr-primary-light); */
  padding-top: 4px;
  justify-content: space-between;
}

.news-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--clr-border);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition:
    padding-left var(--transition-base),
    border-color var(--transition-base);
}

.news-list-item:hover {
  padding-left: 10px;
  border-bottom-color: var(--clr-primary-light);
}

.news-list-date {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-text-muted);
  flex-shrink: 0;
  min-width: 88px;
}

.news-list-title {
  flex: 1;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  line-height: 1.45;
  transition: color var(--transition-fast);
}

.news-list-item:hover .news-list-title {
  color: var(--clr-primary);
}

.news-list-item > i {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  flex-shrink: 0;
  transition:
    transform var(--transition-fast),
    color var(--transition-fast);
}

.news-list-item:hover > i {
  transform: translateX(4px);
  color: var(--clr-primary-light);
}

.news-list-footer {
  /* margin-top: auto; */
  padding-top: 20px;
}

/* =============================================
   SITE FOOTER - CTA BAND
============================================= */
.footer-cta-band {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  color: #fff;
  /* border-bottom: 1px solid rgba(255, 255, 255, 0.05); */
}

.footer-cta-bg {
  position: absolute;
  inset: 0;
  background-color: var(--clr-bg-dark);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 0;
}

/* .footer-cta-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 20% 50%,
    rgba(10, 75, 143, 0.15) 0%,
    transparent 70%
  );
}

.footer-cta-bg::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(240, 165, 0, 0.05) 0%,
    transparent 70%
  );
} */

.footer-cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}

.footer-cta-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--clr-accent);
  margin-bottom: 20px;
}

.footer-cta-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}

.footer-cta-title span {
  color: var(--clr-accent);
}

.footer-cta-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin-bottom: 36px;
}

.footer-cta-btns {
  display: flex;
  gap: 20px;
}

.footer-cta-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.footer-cta-stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--clr-accent);
  margin-bottom: 4px;
}

.footer-cta-stat span {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.05em;
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1280px) {
  .adv-inner {
    grid-template-columns: 360px 1fr;
  }
  .adv-features {
    padding: 60px 60px;
  }
  .prod-stage {
    grid-template-columns: 280px 1fr;
  }
}

@media (max-width: 1024px) {
  .hero-banner {
    margin-top: -102px;
  }

  /* Advantages: stack vertically */
  .adv-inner {
    grid-template-columns: 1fr;
  }
  .adv-stats {
    padding: 60px var(--page-padding);
  }
  .adv-stat-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px;
  }
  .adv-stat-item {
    flex: 1;
    min-width: 140px;
    border-bottom: none;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    padding-right: 24px;
  }
  .adv-stat-item:last-child {
    border-right: none;
    padding-right: 0;
  }
  .adv-feat-item::before {
    left: calc(-1 * var(--page-padding));
  }
  .adv-features {
    padding: 50px var(--page-padding);
  }

  /* Products: stack (panels revert to relative for stacking) */
  .prod-stage {
    grid-template-columns: 1fr;
  }
  .prod-tabs {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
  }
  .prod-tab {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    white-space: nowrap;
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .prod-tab.active {
    border-bottom-color: var(--clr-primary-light);
  }
  .prod-tab::after {
    display: none;
  }
  .prod-display {
    height: auto !important;
  }
  .prod-panel {
    position: relative !important;
    grid-template-columns: 1fr;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
    display: none;
  }
  .prod-panel.active {
    display: grid;
  }
  .prod-panel-img {
    height: 300px;
  }
  .prod-panel-info {
    padding: 40px var(--page-padding);
  }

  /* Application Zigzag: Stack */
  .appzz-item {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .appzz-reversed {
    direction: ltr;
  }
  .appzz-content {
    padding: 50px var(--page-padding);
  }

  /* Case accordion detail */
  .case-detail-inner {
    grid-template-columns: 1fr;
    padding: 28px var(--page-padding);
    gap: 20px;
  }
  .case-item.active .case-detail {
    max-height: 420px;
  }
  .case-row-right {
    gap: 20px;
  }
  .case-stat strong {
    font-size: 1.25rem;
  }

  /* Footer CTA */
  .footer-cta-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* About & News */
  .about-container {
    grid-template-columns: 1fr;
  }
  .news-container {
    grid-template-columns: 1fr;
  }
  .about-image {
    text-align: center;
  }
  .about-experience {
    right: 0;
  }
}

@media (max-width: 768px) {
  .hero-banner {
    margin-top: -62px;
  }

  /* Advantages */
  .adv-stat-list {
    flex-direction: column;
    gap: 20px;
  }
  .adv-stat-item {
    border-right: none;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
  }
  .adv-feat-item {
    flex-direction: column;
    gap: 12px;
  }
  .adv-feat-num {
    font-size: 2rem;
    min-width: auto;
  }

  /* Products */
  .prod-header {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Application visual height */
  .appzz-visual {
    height: 320px;
  }

  /* Case rows */
  .case-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .case-row-right {
    width: 100%;
    justify-content: space-between;
  }
  .case-detail-inner {
    padding: 20px var(--page-padding);
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .case-item.active .case-detail {
    max-height: 560px;
  }

  /* Footer CTA btns */
  .footer-cta-btns {
    flex-direction: column;
  }
  .footer-cta-stats {
    grid-template-columns: 1fr 1fr;
  }

  /* Cases header */
  .cases-header {
    flex-direction: column;
    align-items: flex-start;
  }

  /* News */
  .news-list-date {
    min-width: 72px;
    font-size: 0.65rem;
  }
  .hero-btns {
    flex-direction: column;
  }
  .hero-desc{
    margin-bottom: 20px;
  }
  .hero-content {
    margin-top: 40%;
  }
.prod-tabs{
  flex-direction: column;
}
.prod-tab{
  white-space: pre-wrap;
}
.about-image img{
  height: auto;
}
}