:root {
  --primary: #d4a373;
  --primary-dark: #c08a5a;
  --secondary: #b5838d;
  --dark: #2d2a2e;
  --light: #faf5f0;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #d4a373, #b5838d);
  --gradient-reverse: linear-gradient(135deg, #b5838d, #d4a373);
  --shadow-sm: 0 2px 8px rgba(45, 42, 46, 0.06);
  --shadow: 0 4px 20px rgba(45, 42, 46, 0.08);
  --shadow-lg: 0 8px 40px rgba(45, 42, 46, 0.12);
  --shadow-hover: 0 12px 48px rgba(45, 42, 46, 0.15);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --section-padding: 80px;
  --navbar-height: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--primary-dark);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -12px;
}

[class*="col-"] {
  padding: 0 12px;
  flex: 0 0 100%;
  max-width: 100%;
}

@media (min-width: 576px) {
  .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
  .col-sm-4 { flex: 0 0 33.333%; max-width: 33.333%; }
}

@media (min-width: 768px) {
  .col-md-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-3 { flex: 0 0 25%; max-width: 25%; }
  .col-md-8 { flex: 0 0 66.667%; max-width: 66.667%; }
}

@media (min-width: 992px) {
  .col-lg-4 { flex: 0 0 33.333%; max-width: 33.333%; }
  .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
  .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
  .col-lg-8 { flex: 0 0 66.667%; max-width: 66.667%; }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 16px;
}

h1 { font-size: 48px; }
h2 { font-size: 40px; }
h3 { font-size: 32px; }
h4 { font-size: 24px; }
h5 { font-size: 20px; }
h6 { font-size: 18px; }

@media (max-width: 768px) {
  h1 { font-size: 32px; }
  h2 { font-size: 28px; }
  h3 { font-size: 24px; }
  h4 { font-size: 20px; }
}

p {
  margin-bottom: 16px;
  color: #555;
}

.section {
  padding: var(--section-padding) 0;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-title p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 18px;
  color: #888;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-4 { margin-bottom: 24px; }
.mb-5 { margin-bottom: 48px; }
.mt-4 { margin-top: 24px; }
.mt-5 { margin-top: 48px; }

/* ─── Navbar ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--navbar-height);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.5px;
}

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

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  width: 100%;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
  border-radius: 2px;
}

@media (max-width: 991px) {
  .navbar-nav {
    background: var(--white);
    padding: 16px 24px;
    gap: 12px;
    box-shadow: var(--shadow);
    border-radius: 0 0 12px 12px;
    margin-top: 8px;
  }
}

/* ─── Main Content ─── */
.main-content {
  margin-top: var(--navbar-height);
  min-height: calc(100vh - 300px);
}

/* ─── Hero Slider ─── */
.hero-slider {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.hero-slide {
  position: relative;
  width: 100%;
  min-height: 500px;
  overflow: hidden;
}

@media (max-width: 768px) {
  .hero-slide {
    min-height: 350px;
  }
}

@media (max-width: 575px) {
  .hero-slide {
    min-height: 280px;
  }
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}


.hero-slide-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 24px;
  color: var(--white);
}

.hero-slide-content h1 {
  font-size: 56px;
  color: var(--white);
  margin-bottom: 16px;
}

.hero-slide-content p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .hero-slide {
    min-height: 450px;
  }

  .hero-slide-content h1 {
    font-size: 36px;
  }

  .hero-slide-content p {
    font-size: 16px;
  }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border: 2px solid transparent;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 163, 115, 0.4);
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 48px;
  font-size: 16px;
}

.btn-sm {
  padding: 10px 24px;
  font-size: 12px;
}

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

.btn-white:hover {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

/* ─── Product Cards ─── */
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  margin-bottom: 24px;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.product-card-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--gradient);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 50px;
}

.product-card-body {
  padding: 24px;
}

.product-card-body h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 14px;
  color: #888;
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px 24px;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

/* ─── Category Cards ─── */
.category-card {
  text-align: center;
  cursor: pointer;
  margin-bottom: 24px;
}

.category-image-wrapper {
  width: 180px;
  height: 180px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.category-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  background: var(--gradient) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition);
}

.category-card:hover .category-image-wrapper {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.category-card:hover .category-image-wrapper::after {
  opacity: 1;
}

.category-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-card h4 {
  font-size: 18px;
  margin-bottom: 4px;
}

.category-card p {
  font-size: 14px;
  color: #888;
}

/* ─── Feature Cards ─── */
.feature-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  margin-bottom: 24px;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient);
  font-size: 28px;
  color: var(--white);
}

.feature-card h4 {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: #888;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ─── Blog / Article Cards ─── */
.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  margin-bottom: 24px;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.blog-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.06);
}

.blog-card-body {
  padding: 24px;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: #aaa;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-card-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card-body p {
  font-size: 14px;
  color: #888;
  line-height: 1.7;
  margin-bottom: 16px;
}

.blog-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.blog-card-link:hover {
  gap: 10px;
}

/* ─── Contact Form ─── */
.contact-section {
  background: var(--white);
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--dark);
  background: var(--light);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(212, 163, 115, 0.12);
}

.form-control::placeholder {
  color: #bbb;
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.contact-info {
  padding: 24px 0;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  font-size: 18px;
}

.contact-info-item h5 {
  font-size: 16px;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14px;
  color: #888;
  margin-bottom: 0;
}

/* ─── FAQ Accordion ─── */
.faq-item {
  border-bottom: 1px solid rgba(45, 42, 46, 0.08);
  padding: 20px 0;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 20px;
  color: var(--primary);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-top: 16px;
}

.faq-answer p {
  font-size: 16px;
  color: #888;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ─── Footer ─── */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 80px 0 0;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--white);
  margin-bottom: 20px;
}

.footer h5 {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  transition: var(--transition);
}

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

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 28px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-bottom {
  margin-top: 60px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gradient);
  color: var(--white);
  transform: translateY(-2px);
}

/* ─── Swiper ─── */
.swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.4);
  opacity: 1;
}

.swiper-pagination-bullet-active {
  background: var(--primary);
  width: 28px;
  border-radius: 5px;
}

.swiper-button-prev,
.swiper-button-next {
  color: var(--white);
  background: rgba(45, 42, 46, 0.3);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background: var(--primary);
}

.swiper-button-prev::after,
.swiper-button-next::after {
  font-size: 18px;
  font-weight: 700;
}

/* ─── OEM / ODM Page ─── */
.oem-hero {
  position: relative;
  padding: 120px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(45, 42, 46, 0.85), rgba(45, 42, 46, 0.7)), url('../images/oem-bg.jpg') center/cover no-repeat;
}

.oem-hero h1 {
  font-size: 52px;
  color: var(--white);
  margin-bottom: 16px;
}

.oem-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 32px;
}

@media (max-width: 768px) {
  .oem-hero {
    padding: 80px 0;
  }

  .oem-hero h1 {
    font-size: 32px;
  }
}

.oem-process {
  padding: var(--section-padding) 0;
}

.process-step {
  display: flex;
  gap: 24px;
  margin-bottom: 48px;
  align-items: flex-start;
}

.process-step-number {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
}

.process-step-content h4 {
  font-size: 22px;
  margin-bottom: 8px;
}

.process-step-content p {
  font-size: 15px;
  color: #888;
  margin-bottom: 0;
}

.oem-benefits {
  background: var(--white);
  padding: var(--section-padding) 0;
}

.benefit-card {
  padding: 36px 24px;
  text-align: center;
  border-radius: var(--radius);
  border: 1px solid rgba(45, 42, 46, 0.06);
  transition: var(--transition);
  margin-bottom: 24px;
}

.benefit-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.benefit-card-icon {
  font-size: 40px;
  margin-bottom: 16px;
  color: var(--primary);
}

.benefit-card h4 {
  font-size: 18px;
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 14px;
  color: #888;
  margin-bottom: 0;
}

.oem-form {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
}

.oem-form h3 {
  text-align: center;
  margin-bottom: 32px;
}

@media (max-width: 768px) {
  .oem-form {
    padding: 24px;
  }
}

/* ─── About / Page Hero ─── */
.page-hero {
  position: relative;
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(45, 42, 46, 0.8), rgba(45, 42, 46, 0.6));
}

.page-hero h1 {
  color: var(--white);
  font-size: 48px;
  margin-bottom: 12px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 18px;
  max-width: 500px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .page-hero {
    padding: 60px 0;
  }

  .page-hero h1 {
    font-size: 32px;
  }
}

/* ─── Utility ─── */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: var(--gradient);
}

.gradient-border {
  border: 2px solid transparent;
  background: var(--gradient) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.bg-light {
  background: var(--light);
}

.bg-white {
  background: var(--white);
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
  :root {
    --section-padding: 60px;
  }

  .container {
    padding: 0 16px;
  }

  .section-title {
    margin-bottom: 32px;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .product-card-body {
    padding: 16px;
  }

  .product-card-footer {
    padding: 12px 16px 16px;
  }

  .hero-slide-content h1 {
    font-size: 32px;
  }

  .process-step {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

@media (max-width: 575px) {
  .btn {
    padding: 12px 28px;
    font-size: 13px;
  }

  .btn-lg {
    padding: 14px 36px;
    font-size: 14px;
  }

  .footer {
    padding: 48px 0 0;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ─── AOS Animation Friendly ─── */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}