/* ============================================
   Baisifu Flavors - Modern Website Styles
   Inspired by clean B2B design patterns
   ============================================ */

/* CSS Variables */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0f2840;
  --primary-light: #2a5a8c;
  --accent: #e8a838;
  --accent-hover: #d4942a;
  --text-dark: #1a1a2e;
  --text-medium: #4a5568;
  --text-light: #718096;
  --bg-white: #ffffff;
  --bg-light: #f7f9fc;
  --bg-section: #f0f4f8;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  line-height: 1.7;
  background: var(--bg-white);
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(26, 58, 92, 0.97);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

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

.nav a:hover { color: #fff; }
.nav a:hover::after { width: 100%; }

.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: var(--transition) !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  transform: translateY(-1px);
}

.nav-cta::after { display: none; }

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

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(232,168,56,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-white), transparent);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,168,56,0.15);
  border: 1px solid rgba(232,168,56,0.3);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

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

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

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.hero-subtitle {
  font-size: 19px;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(232,168,56,0.35);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.hero-image-box {
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
  text-align: center;
}

.hero-image-box .icon-large {
  font-size: 120px;
  opacity: 0.9;
}

.hero-floating-card {
  position: absolute;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 4s ease-in-out infinite;
}

.hero-floating-card.card-1 {
  top: 20px;
  right: -30px;
  animation-delay: 0s;
}

.hero-floating-card.card-2 {
  bottom: 40px;
  left: -30px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.floating-icon.green { background: #dcfce7; color: #16a34a; }
.floating-icon.blue { background: #dbeafe; color: #2563eb; }

.floating-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}

.floating-text small {
  display: block;
  font-weight: 400;
  color: var(--text-light);
  font-size: 11px;
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section {
  padding: 90px 0;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-medium);
  line-height: 1.7;
}

/* Numbered section header */
.section-numbered-header {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto 60px;
}

.section-num {
  font-size: 64px;
  font-weight: 900;
  color: rgba(26,58,92,0.06);
  line-height: 1;
  flex-shrink: 0;
  margin-top: -10px;
}

.section-numbered-header .section-text h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-numbered-header .section-text p {
  font-size: 17px;
  color: var(--text-medium);
  line-height: 1.7;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 20px;
  line-height: 1.35;
}

.about-text p {
  font-size: 16px;
  color: var(--text-medium);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.about-highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.about-highlight-item .check {
  color: #16a34a;
  font-size: 16px;
  flex-shrink: 0;
}

.about-visual {
  position: relative;
}

.about-image-box {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.about-image-box::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -30%;
  width: 70%;
  height: 180%;
  background: radial-gradient(circle, rgba(232,168,56,0.15), transparent 60%);
  pointer-events: none;
}

.about-image-box .factory-icon {
  font-size: 100px;
  opacity: 0.85;
  position: relative;
  z-index: 1;
}

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
  position: relative;
  z-index: 1;
}

.fact-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.fact-card .fact-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.fact-card .fact-label {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-top: 6px;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  position: relative;
  overflow: hidden;
}

.product-card-image.natural {
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
}

.product-card-image.synthetic {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
}

.product-card-image.extract {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
}

.product-card-body {
  padding: 22px 24px;
}

.product-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.product-card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 600;
}

.product-card-link:hover {
  color: var(--accent);
  gap: 10px;
}

/* ============================================
   CERTIFICATIONS / TRUST SECTION
   ============================================ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.trust-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.trust-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.trust-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.trust-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

.cert-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-white);
  border: 2px solid var(--border);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.cert-badge:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============================================
   CAPACITY / MANUFACTURING SECTION
   ============================================ */
.capacity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.capacity-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.capacity-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--accent);
  transition: var(--transition);
}

.capacity-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.capacity-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}

.capacity-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.capacity-info p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.capacity-visual {
  background: linear-gradient(145deg, var(--bg-light), #e8eef5);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}

.capacity-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.capacity-stat {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  box-shadow: var(--shadow-sm);
}

.capacity-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}

.capacity-stat .label {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ============================================
   R&D SECTION
   ============================================ */
.rd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.rd-feature-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rd-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.rd-feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: linear-gradient(135deg, var(--accent), #f0b84a);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
}

.rd-feature-text h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.rd-feature-text p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.rd-lab-visual {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.rd-lab-visual::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -20%;
  width: 60%;
  height: 160%;
  background: radial-gradient(circle, rgba(232,168,56,0.1), transparent 60%);
}

.rd-team-stat {
  font-size: 56px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  position: relative;
}

.rd-team-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-top: 12px;
  position: relative;
}

.rd-equipment {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
  position: relative;
}

.rd-equip-item {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 14px;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(232,168,56,0.1), transparent 60%);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-content p {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: #fff;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.footer-contact-item .icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ============================================
   INNER PAGES
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 140px 0 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 50%;
  height: 150%;
  background: radial-gradient(circle, rgba(232,168,56,0.08), transparent 60%);
}

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.page-hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  position: relative;
}

.breadcrumb a {
  color: rgba(255,255,255,0.7);
}

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

/* About page specific */
.timeline {
  position: relative;
  padding-left: 40px;
  margin-top: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 3px solid var(--bg-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(232,168,56,0.2);
}

.timeline-year {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.timeline-content h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.7;
}

/* Team section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.team-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--bg-light), var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
}

.team-info {
  padding: 24px;
}

.team-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.team-info .role {
  font-size: 14px;
  color: var(--primary-light);
  font-weight: 600;
  margin-bottom: 10px;
}

.team-info p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
  background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(42,90,140,0.1);
}

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

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-card .card-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
}

.contact-info-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.contact-info-card p {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.6;
}

/* Product categories on products page */
.category-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.category-tab {
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid var(--border);
  background: var(--bg-white);
  color: var(--text-medium);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1 { font-size: 40px; }
  .hero-subtitle { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }

  .about-grid,
  .capacity-grid,
  .rd-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .mobile-toggle { display: flex; }

  .nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--primary-dark);
    padding: 24px;
    gap: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  }

  .hero h1 { font-size: 32px; }
  .section-title { font-size: 28px; }
  .section { padding: 60px 0; }

  .products-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }

  .page-hero h1 { font-size: 32px; }
  .page-hero { padding: 120px 0 60px; }

  .cta-content h2 { font-size: 28px; }
  .hero-stats { flex-direction: column; gap: 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 26px; }
  .btn-primary, .btn-outline { padding: 12px 24px; font-size: 14px; }
  .about-facts { grid-template-columns: 1fr; }
  .capacity-stats-row { grid-template-columns: 1fr; }
  .rd-equipment { grid-template-columns: 1fr; }
}

/* ============================================
   NAVIGATION DROPDOWN MENU
   ============================================ */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > .dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
  padding: 4px 0;
  position: relative;
}

.nav-dropdown > .dropdown-toggle .arrow {
  font-size: 10px;
  transition: transform 0.3s ease;
}

.nav-dropdown:hover > .dropdown-toggle { color: #fff; }

.nav-dropdown:hover > .dropdown-toggle .arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -8px;
  min-width: 200px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0,0,0,0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1001;
  padding: 10px 0;
  border-top: 3px solid var(--accent);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--text-dark) !important;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.dropdown-menu a::after { display: none; }

.dropdown-menu a:hover {
  background: var(--bg-light);
  color: var(--primary) !important;
  padding-left: 26px;
}

.nav a.active,
.nav-dropdown > .dropdown-toggle.active {
  color: var(--accent) !important;
}
.nav a.active::after { width: 100% !important; background: var(--accent); }

/* Mobile dropdown */
@media (max-width: 768px) {
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(255,255,255,0.05);
    border: none;
    box-shadow: none;
    padding-left: 16px;
    margin-top: 8px;
    border-top: none;
    display: none;
  }
  .nav-dropdown:hover .dropdown-menu,
  .nav-dropdown .dropdown-menu { display: block; }
  .dropdown-menu a { color: rgba(255,255,255,0.75) !important; }
  .dropdown-menu a:hover { color: var(--accent) !important; background: transparent; }
}

/* ============================================
   FEATURES GRID (Why Us page)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  font-size: 42px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.65;
}

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CERT GRID (Why Us - certifications)
   ============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.cert-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.cert-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cert-badge {
  font-size: 22px;
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.cert-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.cert-item p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.55;
}

@media (max-width: 1024px) {
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   COMPARISON TABLE (Why Us)
   ============================================ */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.comparison-table thead th {
  background: var(--primary-dark);
  color: #fff;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
}

.comparison-table tbody td {
  padding: 13px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dark);
}

.comparison-table tbody tr:nth-child(even) {
  background: var(--bg-light);
}

.comparison-table tbody tr:hover {
  background: rgba(232,168,56,0.06);
}

.check-green {
  color: #16a34a;
  font-weight: 700;
}

.cross-red {
  color: #dc2626;
  font-weight: 400;
  font-size: 13px;
}

.about-content-row {
  display: flex;
  justify-content: center;
}

@media (max-width: 768px) {
  .comparison-table { font-size: 13px; }
  .comparison-table thead th,
  .comparison-table td { padding: 10px 12px; }
}

/* ============================================
   STATS ROW (Why Us global presence)
   ============================================ */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-box {
  text-align: center;
  padding: 28px 36px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  min-width: 160px;
  transition: var(--transition);
}

.stat-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.stat-big {
  font-size: 42px;
  font-weight: 900;
  color: var(--primary-dark);
  line-height: 1;
}

.stat-box p {
  font-size: 14px;
  color: var(--text-medium);
  margin-top: 8px;
  font-weight: 600;
}

@media (max-width: 600px) {
  .stats-row { gap: 16px; }
  .stat-box { padding: 20px 24px; min-width: 120px; }
  .stat-big { font-size: 32px; }
}

/* ============================================
   FAQ STYLES
   ============================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(26,58,92,0.2);
}

.faq-question {
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: var(--transition);
}

.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  padding: 0 22px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-medium);
}

.faq-answer p { margin-bottom: 8px; }

.faq-answer ul li,
.faq-answer ol li {
  list-style-position: inside;
}

.faq-answer strong { color: var(--primary-dark); }

/* ============================================
   BLOG STYLES
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 20px;
}

.blog-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.blog-card-img {
  height: 190px;
  position: relative;
  overflow: hidden;
}

.blog-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  background: var(--primary-light);
  color: #fff;
  margin-bottom: 8px;
}

.blog-card-body {
  padding: 22px;
}

.blog-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.4;
  margin-bottom: 10px;
}

.blog-card-body h3 a:hover { color: var(--primary); }

.blog-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-light);
  flex-wrap: wrap;
}

.featured-post {
  max-width: 800px;
  margin: 0 auto 50px;
  padding: 36px;
  background: linear-gradient(135deg, #fefcf5, #fff);
  border: 1px solid rgba(232,168,56,0.25);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.featured-post::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #f0b84a, var(--accent));
}

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-post { padding: 24px; }
}
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* Utility animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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