:root {
  --primary: #8B1E1E;
  --primary-dark: #7A1515;
  --primary-light: #A32020;
  --text: #222;
  --muted: #666;
  --bg-light: #f8f8f8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: white;
  color: var(--text);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

/* HEADER */
.header {
  background: white;
  border-bottom: 3px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 45px;
}

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

.brand-text p {
  font-size: 12px;
  color: var(--muted);
}

.nav-menu {
  display: flex;
  gap: 30px;
  align-items: center;
  flex-wrap: nowrap;
}

.nav-menu a {
  text-decoration: none;
  color: #333;
  font-weight: 600;
  transition: 0.3s;
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--primary);
}

.header-contact {
  display: flex;
  gap: 25px;
  font-size: 13px;
  color: var(--muted);
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  line-height: 1.2;
}

.contact-icon {
  font-size: 18px;
}

.contact-text {
  font-size: 13px;
  color: var(--muted);
}

/* HERO */
.hero {
  background: linear-gradient(135deg,
      var(--primary-dark),
      var(--primary),
      var(--primary-light));
  color: white;
  padding: 100px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.2);
  padding: 6px 15px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 20px;
  font-size: 14px;
}

.hero-content h1 {
  font-size: 48px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-content p {
  margin-bottom: 30px;
  opacity: 0.92;
  max-width: 620px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.btn {
  padding: 14px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: 0.3s;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
}

.btn-light {
  border: 2px solid white;
  color: white;
}

.btn-light:hover {
  background: white;
  color: var(--primary);
}

.hero-panel {
  display: flex;
  justify-content: center;
}

.hero-logo {
  width: 420px;
  background: white;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

/* SECTION */
.section {
  padding: 80px 0;
  text-align: center;
}

.section-light {
  background: #faf7f7;
}

.section-title {
  font-size: 30px;
  margin-bottom: 20px;
  color: var(--primary);
}

.section-text {
  max-width: 750px;
  margin: auto;
  line-height: 1.7;
}

/* ABOUT */
.about-section {
  background: #faf7f7;
  padding: 90px 0;
}

.about-wrapper {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 30px;
}

.about-intro-card {
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 22px;
  padding: 32px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  text-align: left;
}

.about-intro-card h3 {
  color: var(--primary);
  font-size: 28px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.about-intro-card p {
  font-size: 17px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 14px;
}

.about-intro-card p:last-child {
  margin-bottom: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.about-card {
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  text-align: left;
  transition: 0.3s;
}

.about-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 34px rgba(87, 22, 22, 0.1);
}

.about-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  box-shadow: 0 10px 18px rgba(139, 30, 30, 0.18);
}

.about-card h3 {
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.about-card p {
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.about-card ul {
  padding-left: 20px;
}

.about-card li {
  margin-bottom: 10px;
  line-height: 1.7;
  color: #333;
  font-size: 16px;
}

.about-card li:last-child {
  margin-bottom: 0;
}

.about-product-block {
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 22px;
  padding: 32px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  text-align: left;
}

.about-product-block h3 {
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 20px;
}

.about-product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.mini-product {
  background: linear-gradient(135deg, #ffffff, #fff6f6);
  border: 1px solid #ead7d7;
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  font-weight: 700;
  color: var(--primary);
  transition: 0.3s;
}

.mini-product:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(139, 30, 30, 0.08);
}

.about-note {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
}

.about-brand-block {
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 22px;
  padding: 32px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  text-align: left;
}

.about-brand-block h3 {
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 22px;
}

.brand-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.brand-item {
  background: #fff9f9;
  border: 1px solid #ecdcdc;
  border-radius: 16px;
  padding: 20px;
  transition: 0.3s;
}

.brand-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(139, 30, 30, 0.08);
}

.brand-item strong {
  display: block;
  color: var(--primary);
  font-size: 18px;
  margin-bottom: 8px;
}

.brand-item span {
  display: block;
  color: #333;
  line-height: 1.7;
  font-size: 15px;
}

.about-section .section-title {
  margin-bottom: 10px;
}

/* PRODUCTS */
/* PRODUCT CATEGORY */

.product-category-block {
  margin-top: 30px;
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  text-align: left;
}

.product-category-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.product-category-head h3 {
  color: var(--primary);
  font-size: 28px;
}

.product-category-head p {
  color: #555;
  font-size: 15px;
}

.product-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.product-item-card {
  text-decoration: none;
  color: inherit;
  background: linear-gradient(180deg, #ffffff 0%, #fff8f8 100%);
  border: 1px solid #ead7d7;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(87, 22, 22, 0.06);
  transition: 0.3s ease;
}

.product-item-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 36px rgba(139, 30, 30, 0.12);
}

.product-item-image {
  height: 220px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  border-bottom: 1px solid #f0dede;
}

.product-item-image img {
  max-width: 100%;
  max-height: 180px;
  object-fit: contain;
}

.product-item-body {
  padding: 20px;
}

.product-item-tag {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff1f1;
  color: #7a5b5b;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.product-item-body h4 {
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 8px;
}

.product-item-body p {
  color: #333;
  font-size: 14px;
}

@media (max-width: 992px) {
  .product-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-row {
    grid-template-columns: 1fr;
  }
}

/* CONTACT */
.contact-section {
  background: #fff;
}

.contact-box {
  max-width: 980px;
  margin: 0 auto;
  text-align: left;
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 20px;
  padding: 36px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
}

.contact-box h3 {
  color: var(--primary);
  font-size: 32px;
  margin-bottom: 24px;
  line-height: 1.25;
}

.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 22px;
  line-height: 1.5;
}

.contact-line .icon {
  width: 30px;
  flex-shrink: 0;
}

.contact-note {
  margin-top: 24px;
  font-size: 20px;
  line-height: 1.7;
  color: #333;
}

/* FOOTER */
.footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 30px;
  margin-top: 60px;
}

/* ANIMATION */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.delay-1 {
  animation-delay: 0.15s;
}

.delay-2 {
  animation-delay: 0.3s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .header-contact {
    display: none;
  }
}

@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

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

  .brand-list-grid {
    grid-template-columns: 1fr;
  }

  .about-intro-card h3,
  .about-product-block h3,
  .about-brand-block h3 {
    font-size: 24px;
  }

  .about-card h3 {
    font-size: 22px;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-logo {
    width: 300px;
  }

  .hero-content h1 {
    font-size: 30px;
  }

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

  .contact-box h3 {
    font-size: 24px;
  }

  .contact-line {
    font-size: 18px;
  }

  .contact-note {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-menu {
    gap: 18px;
    flex-wrap: wrap;
    justify-content: center;
  }

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

  .contact-box {
    padding: 24px;
  }

  .contact-box h3 {
    font-size: 20px;
  }

  .contact-line {
    font-size: 16px;
  }

  .contact-note {
    font-size: 15px;
  }

  .about-section {
    padding: 70px 0;
  }

  .about-intro-card,
  .about-card,
  .about-product-block,
  .about-brand-block {
    padding: 22px;
  }

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

  .about-intro-card h3,
  .about-product-block h3,
  .about-brand-block h3,
  .about-card h3 {
    font-size: 20px;
  }

  .about-intro-card p,
  .about-card p,
  .about-card li,
  .about-note,
  .brand-item span {
    font-size: 15px;
  }

  .about-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
  }
}

/* BRAND SHOWCASE */
.brand-showcase-section {
  background: #fff;
}

.brand-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.brand-showcase-card {
  background: linear-gradient(180deg, #ffffff 0%, #fff8f8 100%);
  border: 1px solid #ead7d7;
  border-radius: 22px;
  padding: 24px;
  text-align: left;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  transition: 0.35s;
  position: relative;
  overflow: hidden;
}

.brand-showcase-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary-light));
}

.brand-showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(139, 30, 30, 0.12);
}

.brand-logo-box {
  height: 90px;
  background: white;
  border: 1px solid #f0dede;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  padding: 14px;
}

.brand-logo-box img {
  max-width: 100%;
  max-height: 58px;
  object-fit: contain;
}

.brand-meta h3 {
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 6px;
}

.brand-meta span {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #7a5b5b;
  background: #fff1f1;
  padding: 6px 10px;
  border-radius: 999px;
}

.brand-meta p {
  font-size: 15px;
  line-height: 1.7;
  color: #333;
}

@media (max-width: 992px) {
  .brand-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .brand-showcase-grid {
    grid-template-columns: 1fr;
  }

  .brand-showcase-card {
    padding: 20px;
  }

  .brand-meta h3 {
    font-size: 20px;
  }

  .brand-meta p {
    font-size: 14px;
  }
}

/* NEW CONTACT SECTION */
.contact-section {
  background: linear-gradient(180deg, #fff 0%, #faf7f7 100%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 26px;
  margin-top: 30px;
  align-items: start;
}

.contact-info-card,
.contact-form-card {
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  text-align: left;
}

.contact-info-top h3,
.contact-form-card h3 {
  color: var(--primary);
  font-size: 28px;
  line-height: 1.3;
  margin-bottom: 14px;
}

.contact-info-top p {
  color: #444;
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid #f1e1e1;
}

.contact-info-item:first-child {
  border-top: none;
  padding-top: 0;
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 10px 18px rgba(139, 30, 30, 0.16);
}

.contact-info-item strong {
  display: block;
  color: var(--primary);
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-info-item p {
  margin: 0;
  color: #333;
  font-size: 15px;
  line-height: 1.7;
}

.contact-form-subtext {
  color: #666;
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 22px;
}

.contact-form-new {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid #e4cfcf;
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 15px;
  color: #222;
  outline: none;
  background: #fff;
  transition: 0.25s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(139, 30, 30, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-form-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.btn-contact-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  cursor: pointer;
}

.btn-contact-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(139, 30, 30, 0.18);
}

.btn-contact-secondary {
  background: white;
  color: var(--primary);
  border: 1px solid #dec3c3;
  cursor: pointer;
}

.btn-contact-secondary:hover {
  background: #fff5f5;
}

.form-note {
  min-height: 22px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
}

/* responsive */
@media (max-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .form-row-two {
    grid-template-columns: 1fr;
  }

  .contact-info-top h3,
  .contact-form-card h3 {
    font-size: 24px;
  }
}

@media (max-width: 768px) {

  .contact-info-card,
  .contact-form-card {
    padding: 22px;
  }

  .contact-info-top h3,
  .contact-form-card h3 {
    font-size: 20px;
  }

  .contact-info-top p,
  .contact-info-item p,
  .contact-form-subtext,
  .form-group input,
  .form-group textarea {
    font-size: 14px;
  }

  .contact-info-icon {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
}

/* ================= CONTACT FORM ================= */

.contact-section {
  padding: 80px 0;
  background: #faf7f7;
}

.contact-section .section-title {
  text-align: center;
  margin-bottom: 40px;
}

.contact-section h2 {
  color: #8B1E1E;
  font-size: 32px;
  margin-bottom: 10px;
}

.contact-section p {
  color: #555;
}

.contact-form {
  max-width: 900px;
  margin: auto;
  margin-top: 30px;
}

.cognito {
  width: 100% !important;
}

.cognito .c-forms-form {
  width: 100% !important;
}

.contact-form-embed {
  margin-top: 15px;
}

.contact-form-embed iframe {
  width: 100% !important;
}

.contact-form-embed {
  margin-top: 15px;
}

.contact-form-embed iframe {
  width: 100% !important;
}

.hero {
  position: relative;
  background:
    linear-gradient(90deg,
      rgba(122, 21, 21, 0.72) 0%,
      rgba(139, 30, 30, 0.68) 34%,
      rgba(163, 32, 32, 0.50) 58%,
      rgba(163, 32, 32, 0.30) 78%,
      rgba(163, 32, 32, 0.18) 100%),
    url('industrial-bg.jpg');
  background-size: cover;
  background-position: left center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 45%,
      rgba(255, 255, 255, 0.10) 0%,
      rgba(255, 255, 255, 0.04) 22%,
      transparent 46%),
    linear-gradient(90deg,
      rgba(0, 0, 0, 0.16) 0%,
      rgba(0, 0, 0, 0.08) 35%,
      transparent 70%);
  pointer-events: none;
}

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

.hero-content h1 {
  text-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.hero-content p {
  text-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

/* ================= PRODUCT DETAIL PAGE ================= */

.product-page-container {
  width: 92%;
  max-width: 1320px;
  margin: 0 auto;
}

.product-top-layout {
  display: grid;
  grid-template-columns: 430px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-bottom: 38px;
}

.product-gallery-box {
  background: white;
  border: 1px solid #ead7d7;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
}

.product-detail-image {
  width: 100%;
  display: block;
  object-fit: contain;
}

.product-summary-box {
  text-align: left;
  padding-top: 6px;
}

.product-summary-box h1 {
  color: #1f1f1f;
  font-size: 48px;
  line-height: 1.08;
  margin: 12px 0 14px;
}

.product-detail-subtitle {
  font-size: 20px;
  color: #444;
  line-height: 1.7;
  margin-bottom: 26px;
}

.product-detail-subtitle-en {
  font-size: 20px;
  font-weight: 400;

  color: #666;

  line-height: 1.7;

  margin-top: -18px;
  margin-bottom: 26px;
}

.product-meta-list {
  display: grid;
  gap: 12px;
  font-size: 17px;
  color: #333;
  line-height: 1.7;
  margin-bottom: 28px;
}

.product-meta-list strong {
  color: #222;
}

.product-action-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.product-action-row .btn-primary {
  background: var(--primary);
  color: white;
  border: 2px solid var(--primary);
}

.product-action-row .btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.product-action-row .btn-light {
  background: white;
  color: var(--primary);
  border: 2px solid #dec3c3;
}

.product-action-row .btn-light:hover {
  background: #fff5f5;
  color: var(--primary);
}

.product-info-box {
  text-align: left;
  background: transparent;
  border-top: 1px solid #e5d7d7;
  padding-top: 26px;
}

.product-info-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 26px;
}

.product-tab {
  border: none;
  background: #ececec;
  color: #333;
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 700;
  cursor: default;
  border-radius: 0;
}

.product-tab.active {
  background: var(--primary);
  color: white;
}

.product-info-content {
  max-width: 1050px;
}

.product-info-content h3 {
  color: var(--primary);
  font-size: 30px;
  margin-bottom: 14px;
}

.product-info-content h4 {
  color: #222;
  font-size: 23px;
  margin: 26px 0 12px;
}

.product-info-content p {
  font-size: 17px;
  line-height: 1.9;
  color: #333;
  margin-bottom: 16px;
}

.product-info-content ul {
  padding-left: 24px;
  margin-bottom: 10px;
}

.product-info-content li {
  font-size: 17px;
  line-height: 1.9;
  color: #333;
  margin-bottom: 10px;
}

/* CONTACT STRIP AT BOTTOM */
.product-contact-strip {
  margin-top: 55px;
  padding: 26px 0;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--primary-light));
}

.product-contact-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.product-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: white;
}

.product-contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.product-contact-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.product-contact-item p {
  margin: 0;
  font-size: 14px;
  opacity: 0.95;
}

.product-contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  background: white;
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  transition: 0.3s ease;
}

.product-contact-btn:hover {
  transform: translateY(-3px);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .product-top-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-summary-box h1 {
    font-size: 38px;
  }

  .product-info-content h3 {
    font-size: 26px;
  }

  .product-info-content h4 {
    font-size: 21px;
  }

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

@media (max-width: 768px) {
  .product-page-container {
    width: 90%;
  }

  .product-summary-box h1 {
    font-size: 30px;
  }

  .product-detail-subtitle,
  .product-meta-list,
  .product-info-content p,
  .product-info-content li {
    font-size: 15px;
  }

  .product-info-tabs {
    flex-wrap: wrap;
  }

  .product-tab {
    padding: 12px 18px;
    font-size: 14px;
  }

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

/* ===============================
   FLOATING HOTLINE BUTTON
================================= */

.hotline-floating {
  position: fixed;
  right: 25px;
  bottom: 30px;
  width: 70px;
  height: 70px;
  z-index: 9999;
  text-decoration: none;
}

.hotline-icon {
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg,
      var(--primary-dark),
      var(--primary),
      var(--primary-light));

  display: flex;
  align-items: center;
  justify-content: center;

  color: white;
  font-size: 30px;

  box-shadow: 0 10px 25px rgba(139, 30, 30, 0.35);

  animation: hotlineShake 1.8s infinite;
}

.hotline-pulse {
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;

  background: rgba(139, 30, 30, 0.35);

  animation: pulseRing 2s infinite;
}

/* Ring Animation */
@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  70% {
    transform: scale(1.8);
    opacity: 0;
  }

  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

/* Phone Shake */
@keyframes hotlineShake {

  0%,
  100% {
    transform: rotate(0deg);
  }

  10% {
    transform: rotate(-15deg);
  }

  20% {
    transform: rotate(15deg);
  }

  30% {
    transform: rotate(-10deg);
  }

  40% {
    transform: rotate(10deg);
  }

  50% {
    transform: rotate(0deg);
  }
}

/* Mobile */
@media (max-width:768px) {

  .hotline-floating {
    width: 60px;
    height: 60px;
    right: 18px;
    bottom: 20px;
  }

  .hotline-icon,
  .hotline-pulse {
    width: 60px;
    height: 60px;
  }

  .hotline-icon {
    font-size: 26px;
  }
}

/* ==================================
   FLOATING ZALO BUTTON
================================== */

.zalo-floating {
  position: fixed;
  right: 25px;
  bottom: 120px;
  width: 70px;
  height: 70px;
  z-index: 9999;
  text-decoration: none;
}

.zalo-icon {
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: white;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 10px 25px rgba(0, 104, 255, 0.25);
}

.zalo-icon img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 50%;
}

.zalo-pulse {
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;

  background: rgba(0, 104, 255, 0.25);

  animation: zaloPulse 2s infinite;
}

@keyframes zaloPulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }

  70% {
    transform: scale(1.8);
    opacity: 0;
  }

  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

.product-drawing-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 26px;

  background: #9b001f;
  color: white;

  text-decoration: none;
  border-radius: 10px;

  font-weight: 600;

  transition: all 0.3s ease;
}

.product-drawing-btn:hover {
  background: #7d0019;
  transform: translateY(-2px);
}

.product-category-block + .product-category-block {
  margin-top: 42px;
}
.product-no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafafa;
}

.product-catalog-placeholder {
  text-align: center;
  padding: 20px;
}

.product-catalog-placeholder h4 {
  color: #9b001f;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.catalog-btn-small {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: #9b001f;
  color: white;
  font-weight: 600;
}

.product-category-block {
  scroll-margin-top: 130px;
}

.product-category-block + .product-category-block {
  margin-top: 42px;
}

.product-no-image-card {
  background: linear-gradient(180deg, #fff 0%, #fff7f7 100%);
}

.product-card-catalog-btn {
  padding: 14px 22px;
  border-radius: 999px;
  background: #9b001f;
  color: white;
  font-weight: 700;
  text-align: center;
}

.product-search-box {
  max-width: 620px;
  margin: 0 auto 34px;
}

.product-search-box input {
  width: 100%;
  padding: 16px 22px;

  border: 1px solid #ead7d7;
  border-radius: 999px;

  font-size: 16px;
  outline: none;

  background: white;
  color: #333;

  box-shadow: 0 10px 28px rgba(87, 22, 22, 0.05);
  transition: 0.25s ease;
}

.product-search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(139, 30, 30, 0.08);
}

.product-item-card.product-hidden {
  display: none;
}