/* ============================================================
   PRECISION HARDWARE MANUFACTURER - Main Stylesheet
   European & American Hardcore Industrial Foreign Trade Style
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #0F172A;
  --color-accent-gold: #B8860B;
  --color-accent-blue: #2563EB;
  --color-dark: #1E293B;
  --color-mid: #64748B;
  --color-light: #F8FAFC;
  --color-white: #FFFFFF;
  --color-border: #334155;
  --color-gold-light: #D4A843;
  --color-gold-dark: #8B6508;
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-accent-gold);
  transition: width var(--transition-base);
}

.section-title:hover::after {
  width: 100%;
}

.section-subtitle {
  color: var(--color-mid);
  font-size: 1.05rem;
  max-width: 600px;
}

/* --- Top Bar --- */
.top-bar {
  background: var(--color-primary);
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.top-bar a {
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}

.top-bar a:hover {
  color: var(--color-accent-gold);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-white);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--color-primary);
  letter-spacing: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  line-height: 1.2;
  color: var(--color-white);
}

.logo-text small {
  display: block;
  font-weight: 400;
  font-size: 0.65rem;
  color: var(--color-accent-gold);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.main-nav a {
  display: block;
  padding: 10px 16px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-accent-gold);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-white);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-fast);
  transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
@media (max-width: 1023px) {
  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav a {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .main-nav a::after {
    display: none;
  }
}

/* --- Hero / Banner --- */
.hero {
  position: relative;
  min-height: 85vh;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(184, 134, 11, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(37, 99, 235, 0.08) 0%, transparent 60%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.015) 2px,
      rgba(255,255,255,0.015) 4px
    );
  pointer-events: none;
}

.hero-gear {
  position: absolute;
  opacity: 0.04;
  pointer-events: none;
}

.hero-gear-1 {
  top: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  animation: spin-slow 60s linear infinite;
}

.hero-gear-2 {
  bottom: -60px;
  left: -60px;
  width: 350px;
  height: 350px;
  animation: spin-slow 45s linear infinite reverse;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(184, 134, 11, 0.15);
  border: 1px solid rgba(184, 134, 11, 0.3);
  color: var(--color-accent-gold);
  padding: 8px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-gold);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero h1 .gold {
  color: var(--color-accent-gold);
}

.hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent-gold);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 4px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(184, 134, 11, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  background: rgba(184, 134, 11, 0.08);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-sm {
  padding: 10px 22px;
  font-size: 0.8rem;
}

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

.btn-white:hover {
  background: var(--color-light);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.btn-block {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 1.5rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.card:hover .card-title {
  color: var(--color-accent-gold);
}

.card-text {
  color: var(--color-mid);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Product Card */
.product-card {
  position: relative;
  overflow: hidden;
}

.product-card .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.85) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.product-card:hover .card-overlay {
  opacity: 1;
}

.product-card .overlay-content {
  transform: translateY(10px);
  transition: transform var(--transition-base);
}

.product-card:hover .overlay-content {
  transform: translateY(0);
}

/* --- Sections --- */
.section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
}

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

.section-dark .section-title {
  color: var(--color-white);
}

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

/* --- About Preview --- */
.about-img-wrapper {
  position: relative;
}

.about-img-wrapper::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent-gold);
  z-index: 0;
}

.about-img-wrapper img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-experience {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-accent-gold);
  color: var(--color-primary);
  padding: 1.25rem 1.5rem;
  z-index: 2;
  text-align: center;
}

.about-experience .number {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
}

.about-experience .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 4px;
}

/* --- Advantages / Features --- */
.advantage-card {
  padding: 2rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition-base);
  position: relative;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--color-accent-gold);
  transition: height var(--transition-base);
}

.advantage-card:hover::before {
  height: 100%;
}

.advantage-card:hover {
  border-color: transparent;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.advantage-icon {
  width: 52px;
  height: 52px;
  background: rgba(184, 134, 11, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-accent-gold);
}

.advantage-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.advantage-card p {
  color: var(--color-mid);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Technology Items --- */
.tech-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.tech-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-accent-gold);
  line-height: 1;
  min-width: 50px;
}

.tech-info h4 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.tech-info p {
  color: var(--color-mid);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Stats Counter --- */
.stats-section {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 1px,
    rgba(255,255,255,0.015) 1px,
    rgba(255,255,255,0.015) 2px
  );
  pointer-events: none;
}

.stat-item {
  text-align: center;
  padding: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-accent-gold);
  line-height: 1;
}

.stat-plus {
  font-size: 1.5rem;
  color: var(--color-accent-gold);
}

.stat-desc {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 0.5rem;
}

/* --- Customer Logos --- */
.logo-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
  opacity: 0.45;
}

.logo-strip .client-logo {
  height: 36px;
  filter: grayscale(1);
  transition: all var(--transition-fast);
}

.logo-strip .client-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* --- Testimonials --- */
.testimonial-card {
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 2rem;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 5rem;
  color: rgba(184, 134, 11, 0.1);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  color: var(--color-dark);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-author .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-author .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-author .role {
  font-size: 0.78rem;
  color: var(--color-mid);
}

/* --- CTA Section --- */
.cta-section {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(184,134,11,0.1) 0%, transparent 60%);
  pointer-events: none;
}

/* --- Contact Info Cards --- */
.contact-info-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition-fast);
}

.contact-info-card:hover {
  border-color: var(--color-accent-gold);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(184, 134, 11, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent-gold);
}

.contact-info-card h5 {
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--color-primary);
}

.contact-info-card p {
  font-size: 0.85rem;
  color: var(--color-mid);
  line-height: 1.5;
}

/* --- Form Styles --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,0.12);
  outline: none;
  transition: border-color var(--transition-fast);
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent-gold);
  box-shadow: 0 0 0 2px rgba(184,134,11,0.08);
}

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

/* --- Page Header (inner pages) --- */
.page-header {
  background: var(--color-primary);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(184,134,11,0.08) 0%, transparent 60%),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.01) 2px, rgba(255,255,255,0.01) 4px);
  pointer-events: none;
}

.page-header h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 0.5rem;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  list-style: none;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent-gold);
}

.breadcrumb .sep {
  color: rgba(255,255,255,0.3);
}

/* --- Product Filter --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 10px 22px;
  font-size: 0.85rem;
  font-weight: 500;
  background: transparent;
  border: 1px solid rgba(0,0,0,0.12);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-mid);
  font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* --- Case Card --- */
.case-card {
  position: relative;
  overflow: hidden;
}

.case-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.case-card:hover img {
  transform: scale(1.04);
}

.case-card .case-info {
  padding: 1.25rem;
  border: 1px solid rgba(0,0,0,0.06);
  border-top: none;
}

.case-card .case-industry {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--color-accent-blue);
  text-transform: uppercase;
}

.case-card .case-title {
  font-size: 1.1rem;
  margin: 0.35rem 0;
}

.case-card .case-meta {
  font-size: 0.8rem;
  color: var(--color-mid);
}

/* --- News Card --- */
.news-card {
  border: 1px solid rgba(0,0,0,0.06);
  transition: all var(--transition-base);
}

.news-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.news-card .news-img-wrapper {
  overflow: hidden;
}

.news-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover img {
  transform: scale(1.04);
}

.news-card .news-body {
  padding: 1.5rem;
}

.news-card .news-date {
  font-size: 0.78rem;
  color: var(--color-mid);
  margin-bottom: 0.5rem;
}

.news-card .news-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.news-card:hover .news-title {
  color: var(--color-accent-gold);
}

.news-card .news-excerpt {
  color: var(--color-mid);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Pagination --- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 3rem;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(0,0,0,0.1);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-dark);
  transition: all var(--transition-fast);
}

.pagination a:hover,
.pagination .current {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* --- Product Detail --- */
.product-gallery-main {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border: 1px solid rgba(0,0,0,0.06);
}

.product-gallery-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.product-gallery-thumbs img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  opacity: 0.6;
}

.product-gallery-thumbs img:hover,
.product-gallery-thumbs img.active {
  border-color: var(--color-accent-gold);
  opacity: 1;
}

.product-specs {
  border-top: 1px solid rgba(0,0,0,0.06);
  padding-top: 1.25rem;
  margin-top: 1.25rem;
}

.product-specs table {
  width: 100%;
}

.product-specs td {
  padding: 8px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}

.product-specs td:first-child {
  font-weight: 600;
  color: var(--color-primary);
  width: 35%;
}

.product-specs td:last-child {
  color: var(--color-mid);
}

/* --- Article / News Detail --- */
.article-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-dark);
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.article-content h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content img {
  max-width: 100%;
  margin: 1.5rem 0;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content blockquote {
  border-left: 3px solid var(--color-accent-gold);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-light);
  font-style: italic;
  color: var(--color-mid);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
}

.footer-top {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-heading {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: 0.5px;
}

.footer-about {
  line-height: 1.7;
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--color-accent-gold);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 0.85rem;
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer-contact-item .fi {
  color: var(--color-accent-gold);
  min-width: 18px;
  margin-top: 2px;
}

.footer-bottom {
  padding: 1.25rem 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-accent-gold);
}

/* --- Floating Sidebar --- */
.float-sidebar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 998;
  display: flex;
  flex-direction: column;
}

.float-item {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 2px;
}

.float-trigger {
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
}

.float-trigger:hover {
  background: var(--color-accent-gold);
  color: var(--color-primary);
}

.float-panel {
  background: var(--color-white);
  padding: 16px 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: all var(--transition-fast);
  pointer-events: none;
}

.float-item:hover .float-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  pointer-events: auto;
}

.float-panel a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.float-panel a:hover {
  color: var(--color-accent-gold);
}

.float-qr {
  width: 100px;
  height: 100px;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--color-mid);
  border: 1px dashed rgba(0,0,0,0.15);
}

.float-qr svg {
  width: 80px;
  height: 80px;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 997;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-gold);
  color: var(--color-primary);
}

/* --- Certification Badges --- */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
}

.cert-badge .cb-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent-gold);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}

/* --- Timeline (for about page) --- */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(0,0,0,0.08);
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--color-accent-gold);
}

.timeline-year {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  letter-spacing: 1px;
}

.timeline-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0.2rem 0;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--color-mid);
  line-height: 1.6;
}

/* --- Tab --- */
.tab-nav {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid rgba(0,0,0,0.06);
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  color: var(--color-mid);
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent-gold);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* --- Equipment Grid --- */
.equipment-card {
  border: 1px solid rgba(0,0,0,0.06);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.equipment-card:hover {
  border-color: var(--color-accent-gold);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.equipment-card .eq-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-accent-gold);
}

.equipment-card h4 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.equipment-card p {
  font-size: 0.82rem;
  color: var(--color-mid);
}

/* --- Process Steps --- */
.process-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.process-step-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--color-primary);
  color: var(--color-accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
}

.process-step-content h4 {
  margin-bottom: 0.35rem;
}

.process-step-content p {
  color: var(--color-mid);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* --- Inline Link --- */
.inline-link {
  color: var(--color-accent-gold);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.inline-link:hover {
  color: var(--color-gold-dark);
}

/* --- Utility --- */
.text-gold { color: var(--color-accent-gold); }
.text-blue { color: var(--color-accent-blue); }
.text-mid { color: var(--color-mid); }
.bg-primary { background: var(--color-primary); }
.bg-light { background: var(--color-light); }
.bg-gold { background: var(--color-accent-gold); }

.divider {
  width: 60px;
  height: 3px;
  background: var(--color-accent-gold);
  margin: 1rem 0;
}

.img-full {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }

  .hero-stat-value {
    font-size: 1.5rem;
  }

  .about-experience {
    bottom: -10px;
    right: -10px;
    padding: 1rem;
  }

  .about-experience .number {
    font-size: 1.8rem;
  }

  .float-sidebar {
    right: 0;
  }

  .float-trigger {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }

  .product-gallery-thumbs img {
    width: 60px;
    height: 45px;
  }

  .tab-nav {
    gap: 0;
  }

  .tab-btn {
    padding: 10px 16px;
    font-size: 0.8rem;
  }

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

  .back-to-top {
    bottom: 80px;
    right: 6px;
  }
}

@media (max-width: 640px) {
  .filter-bar {
    gap: 6px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: 75vh;
  }

  .cert-badges {
    gap: 1rem;
  }
}