/* Hashi Smart - Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --white: #ffffff;
  --black: #1a1a1a;
  --orange: #ff2704;
  --orange-hover: #e62200;
  --gray-light: #f5f5f5;
  --gray-border: #e0e0e0;
  --gray-text: #888888;
  --gray-dark: #555555;
  --max-width: 1200px;
  --header-height: 70px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: 'Inter', 'San Francisco', 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  overflow: visible;
}

.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
}

.header-logo img {
  height: 38px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list > li {
  position: relative;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list > li > a {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list > li > a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width 0.3s ease;
}

.nav-list > li > a:hover::after,
.nav-list > li > a.active::after {
  width: 100%;
}

.nav-list > li > a:hover {
  color: var(--orange);
}

.nav-list > li > a .arrow {
  font-size: 10px;
  transition: transform 0.3s ease;
}

.nav-list > li:hover > a .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}

.nav-list > li:hover > .dropdown {
  opacity: 1;
  visibility: visible;
}

.dropdown li {
  position: relative;
  list-style: none;
}

.dropdown li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 400;
  color: var(--black);
  transition: var(--transition);
  white-space: nowrap;
}

.dropdown li a:hover {
  background: var(--gray-light);
  color: var(--orange);
}

.dropdown li a .arrow-right {
  font-size: 10px;
  color: var(--gray-text);
}

/* Sub-dropdown */
.sub-dropdown {
  position: absolute;
  top: 0;
  left: 100%;
  min-width: 180px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.dropdown li:hover > .sub-dropdown {
  opacity: 1;
  visibility: visible;
}

.sub-dropdown li a {
  padding: 8px 18px;
  font-size: 13px;
}

.header-biz {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-header {
  padding: 8px 18px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
}

.btn-whatsapp:hover { background: #1da851; }

.btn-email-header {
  background: var(--black);
  color: #fff;
}

.btn-email-header:hover { background: #333; }

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

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: var(--transition);
  display: block;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== MAIN CONTENT ========== */
main {
  margin-top: var(--header-height);
}

/* ========== HERO SECTION ========== */
.hero {
  position: relative;
  height: 90vh;
  min-height: 550px;
  max-height: 800px;
  overflow: hidden;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active { opacity: 1; }

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background: var(--gray-light);
}

.hero-slide-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
  z-index: 1;
}

.hero-slide-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 700px;
  padding: 0 20px;
}

.hero-slide-content h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.hero-slide-content p {
  font-size: 17px;
  color: #fff;
  margin-bottom: 30px;
  line-height: 1.6;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.hero-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-border);
  cursor: pointer;
  transition: var(--transition);
}

.hero-dot.active { background: var(--orange); width: 30px; border-radius: 5px; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}

.btn-primary:hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(232,117,26,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1px solid var(--black);
}

.btn-outline:hover {
  background: var(--black);
  color: #fff;
}

.btn-sm { padding: 10px 20px; font-size: 13px; }

/* ========== SECTIONS ========== */
.section {
  padding: 80px 0;
}

.section-gray {
  background: var(--gray-light);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
}

.section-title p {
  font-size: 15px;
  color: var(--gray-text);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== CARDS GRID ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.why-choose .card:hover {
  border-color: #ff2704;
  box-shadow: 0 8px 30px rgba(255,39,4,0.2);
}

.card-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 14px;
}

.card-body {
  padding: 20px;
}

.card-body h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-body p {
  font-size: 14px;
  color: var(--gray-dark);
  line-height: 1.6;
}

/* ========== PRODUCT CARD ========== */
.product-card .card-image {
  aspect-ratio: 13/9;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 14px;
  overflow: hidden;
}

/* ========== STATS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 12px;
  padding: 36px 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.stat-item i {
  color: var(--black);
  transition: color 0.3s ease;
}

.stat-item:hover i {
  color: var(--orange);
}

.stat-item h3 {
  font-size: 40px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
  line-height: 1;
  transition: color 0.3s ease;
}

.stat-item:hover h3 {
  color: var(--orange);
}

.stat-item p {
  font-size: 14px;
  color: var(--gray-text);
  font-weight: 500;
}

.social-icon i,
.float-btn i {
  font-size: 22px;
  line-height: 1;
}

/* ========== ABOUT PAGE ========== */
.about-hero {
  padding: 100px 0 60px;
  text-align: center;
}

.about-hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-hero p {
  font-size: 16px;
  color: var(--gray-dark);
  max-width: 700px;
  margin: 0 auto;
}

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

.about-image {
  aspect-ratio: 16/10;
  background: var(--gray-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 14px;
}

.about-text h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-text p {
  font-size: 15px;
  color: var(--gray-dark);
  margin-bottom: 16px;
  line-height: 1.7;
}

/* ========== PRODUCT DETAIL ========== */
.product-detail-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.product-main-image {
  aspect-ratio: 1/1;
  background: var(--gray-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 14px;
}

.product-info h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-info .overview {
  font-size: 15px;
  color: var(--gray-dark);
  margin-bottom: 20px;
  line-height: 1.7;
}

.product-meta {
  margin-bottom: 24px;
}

.product-meta div {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-border);
  font-size: 14px;
  display: flex;
  gap: 10px;
}

.product-meta div strong { min-width: 140px; color: var(--black); }

.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.product-detail-bottom {
  margin-top: 60px;
}

.product-detail-bottom h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.product-detail-bottom p {
  font-size: 15px;
  color: var(--gray-dark);
  line-height: 1.8;
  margin-bottom: 14px;
}

/* ========== FACTORY ========== */
.factory-image {
  aspect-ratio: 16/9;
  background: var(--gray-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-text);
  font-size: 14px;
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ========== OEM/ODM ========== */
.oem-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.oem-step {
  padding: 30px 20px;
  border: 1px solid var(--gray-border);
  border-radius: 6px;
}

.oem-step .step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 14px;
}

.oem-step h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.oem-step p {
  font-size: 13px;
  color: var(--gray-dark);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  transition: var(--transition);
}

.faq-question:hover { background: var(--gray-light); }

.faq-question::after {
  content: '+';
  font-size: 20px;
  color: var(--gray-text);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--gray-dark);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-category {
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-left: 24px;
}

/* ========== NEWS ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.news-card .card-image {
  aspect-ratio: 16/9;
}

.news-card .card-date {
  font-size: 13px;
  color: var(--gray-text);
  margin-bottom: 8px;
}

.news-pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
}

.news-page-btn {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-border);
  border-radius: 4px;
  font-size: 13px;
  color: var(--gray-dark);
  background: var(--white);
  cursor: pointer;
  transition: var(--transition);
  padding: 0 12px;
  font-family: inherit;
}

.news-page-btn:hover:not(:disabled) {
  border-color: var(--orange);
  color: var(--orange);
}

.news-page-btn.active {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.news-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

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

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.contact-info-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14px;
  color: var(--gray-dark);
}

/* ========== INQUIRY FORM ========== */
.inquiry-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--black);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--orange);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--black);
  color: #ccc;
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333;
}

.footer-brand .footer-logo {
  margin-bottom: 14px;
}

.footer-brand .footer-logo img {
  height: 50px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.8;
  color: #999;
  white-space: pre-line;
  word-break: break-word;
}

.footer-brand p:first-of-type {
  font-size: 14px;
  font-weight: 500;
  color: #ddd;
}

.social-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.footer-brand .social-icon {
  background: #222;
  color: #ccc;
}

.footer-brand .social-icon:hover {
  background: var(--orange);
  color: #fff;
}

.share-section .social-icon {
  background: var(--gray-light);
  color: var(--black);
}

.share-section .social-icon:hover {
  background: var(--orange);
  color: #fff;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: #999;
}

.footer h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

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

.footer ul li a {
  font-size: 13px;
  color: #999;
  transition: var(--transition);
}

.footer ul li a:hover { color: var(--orange); }

.footer-contact p {
  font-size: 13px;
  margin-bottom: 10px;
  color: #999;
}

.footer-contact a {
  color: var(--orange);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: #666;
}

/* ========== FLOATING BUTTONS ========== */
.floating-btns {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  font-size: 20px;
}

.float-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.float-whatsapp { background: #25D366; color: #fff; }
.float-email { background: var(--orange); color: #fff; }
.float-top { background: var(--black); color: #fff; }

/* ========== SOCIAL SHARE ========== */
.social-share {
  display: flex;
  gap: 10px;
  align-items: center;
}

.social-share span {
  font-size: 13px;
  color: var(--gray-text);
}

/* ========== ANIMATIONS ========== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ========== PAGE HEADER ========== */
.page-header {
  padding: 120px 0 50px;
  text-align: center;
  background: var(--gray-light);
  min-height: 450px;
  display: flex;
  align-items: center;
}

.page-header h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 15px;
  color: var(--gray-dark);
}

/* ========== SOCIAL SHARE SECTION ========== */
.share-section {
  padding: 30px 0;
  border-top: 1px solid var(--gray-border);
  border-bottom: 1px solid var(--gray-border);
}

/* ========== CERTIFICATE SCROLL ========== */
.cert-scroll-wrapper {
  overflow: hidden;
  position: relative;
}

.cert-scroll-track {
  display: flex;
  gap: 40px;
  animation: certScroll 30s linear infinite;
  width: max-content;
}

.cert-scroll-track:hover {
  animation-play-state: paused;
}

@keyframes certScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.cert-item {
  flex-shrink: 0;
  width: 200px;
  height: 282px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  padding: 10px;
  overflow: hidden;
}

.cert-item:hover {
  border-color: var(--orange);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.cert-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  cursor: pointer;
}

/* Certificate Lightbox */
.cert-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.cert-lightbox.active {
  display: flex;
}

.cert-lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}

.cert-lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
  transition: var(--transition);
  background: none;
  border: none;
}

.cert-lightbox-close:hover {
  color: var(--orange);
}

.cert-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-lightbox-nav:hover {
  background: rgba(255,255,255,0.3);
}

.cert-lightbox-prev {
  left: 20px;
}

.cert-lightbox-next {
  right: 20px;
}

.cert-lightbox-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 14px;
  background: rgba(0,0,0,0.5);
  padding: 6px 16px;
  border-radius: 20px;
}

.cert-item span {
  font-size: 13px;
  color: var(--gray-text);
  text-align: center;
}

/* ========== CATEGORY PAGE ========== */
.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.category-tab {
  padding: 8px 20px;
  border: 1px solid var(--gray-border);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  background: var(--white);
  font-family: inherit;
}

.category-tab:hover,
.category-tab.active {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
  .header-logo img {
    max-width: 90px;
    height: auto;
  }

  .header-nav {
    display: none !important;
  }

  .header-biz {
    display: none !important;
  }

  .hamburger {
    display: flex !important;
    position: absolute !important;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001;
    flex-shrink: 0;
    background: rgba(255,255,255,0.8);
    border-radius: 4px;
    padding: 8px;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: rgba(0,0,0,0.4);
    z-index: 999;
  }
  .mobile-overlay.active { display: block; }

  .header-nav.open {
    display: block;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 10px 20px;
    border-bottom: 1px solid var(--gray-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    z-index: 1001;
  }

  .header-nav.open .nav-list {
    display: block;
    gap: 0;
  }

  .header-nav.open .nav-list > li {
    border-bottom: 1px solid var(--gray-border);
    list-style: none;
  }

  .header-nav.open .nav-list > li:last-child {
    border-bottom: none;
  }

  .header-nav.open .nav-list > li > a {
    padding: 14px 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 15px;
    min-height: 48px;
  }

  .header-nav.open .nav-list > li > a .arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
  }

  .header-nav.open .nav-list > li.open > a .arrow {
    transform: rotate(180deg);
  }

  .header-nav.open .nav-list > li > a::after {
    display: none;
  }

  .header-nav.open .dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    opacity: 1;
    visibility: visible;
    display: none;
    width: 100%;
  }

  .header-nav.open .nav-list > li.open > .dropdown {
    display: block;
  }

  .header-nav.open .sub-dropdown {
    position: static;
    box-shadow: none;
    border: none;
    opacity: 1;
    visibility: visible;
    display: none;
    padding-left: 16px;
  }

  .header-nav.open .dropdown li.open > .sub-dropdown {
    display: block;
  }

  .header-nav.open .dropdown li {
    list-style: none;
  }

  .header-nav.open .dropdown li a {
    padding: 12px 0;
    font-size: 14px;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .header-nav.open .dropdown li.open > a .arrow-right {
    transform: rotate(90deg);
  }

  .header-nav.open .sub-dropdown li a {
    padding: 10px 0 10px 16px;
    min-height: 40px;
  }

  .hero-slide-content h1 { font-size: 28px; }
  .hero-slide-content p { font-size: 15px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .about-grid { grid-template-columns: 1fr; }
  .product-detail-top { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .factory-grid { grid-template-columns: 1fr 1fr; }
  .oem-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 576px) {
  .hero { height: 60vh; min-height: 350px; }
  .hero-slide-content h1 { font-size: 24px; }
  .section { padding: 50px 0; }
  .section-title h2 { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .factory-grid { grid-template-columns: 1fr; }
  .oem-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .floating-btns { bottom: 20px; right: 20px; }
  .float-btn { width: 44px; height: 44px; font-size: 18px; }
  .page-header { padding: 80px 0 40px; }
  .page-header h1 { font-size: 28px; }
}