/* ===== CSS Variables ===== */
:root {
  --primary: #1B2A5B;
  --primary-dark: #111D40;
  --primary-light: #E8EDF5;
  --accent: #F5A623;
  --secondary: #3A8F3E;
  --dark: #0E1A3A;
  --dark-light: #1E2D52;
  --text: #333333;
  --text-light: #666666;
  --white: #FFFFFF;
  --gray-50: #F8F9FA;
  --gray-100: #F0F2F5;
  --gray-200: #E2E5E9;
  --gray-300: #CED2D8;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--white);
}

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

ul {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  color: var(--dark);
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

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

section {
  padding: 80px 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(27, 42, 91, 0.3);
}

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

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

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

.btn-accent:hover {
  background: #E69100;
  border-color: #E69100;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249, 168, 37, 0.3);
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  padding: 10px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  transition: var(--transition);
}

.navbar.scrolled .logo {
  color: var(--primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 900;
}

.logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  background: var(--white);
}

.navbar.scrolled .logo-icon {
  background: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  padding: 4px 0;
}

.navbar.scrolled .nav-links a {
  color: var(--text);
}

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

.navbar.scrolled .nav-links a::after,
.navbar-inner .nav-links a::after {
  background: var(--primary);
}

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

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

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

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

.nav-links .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

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

.nav-links .btn-primary:hover {
  color: var(--white);
}

.nav-links .btn-accent {
  color: var(--dark);
  font-weight: 700;
}

.nav-links .btn-accent:hover {
  color: var(--dark);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar.scrolled .hamburger span {
  background: var(--dark);
}

/* ===== Inner Page Navbar (dark text by default) ===== */
.navbar-inner {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  padding: 10px 0;
}

.navbar-inner .logo {
  color: var(--primary);
}

.navbar-inner .nav-links a {
  color: var(--text);
}

.navbar-inner .hamburger span {
  background: var(--dark);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--dark) 0%, #142350 50%, var(--primary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(27, 42, 91, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249, 168, 37, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 50px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(5px);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  max-width: 560px;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat h3 {
  color: var(--accent);
  font-size: 2rem;
  margin-bottom: 4px;
}

.hero-stat p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  margin: 0;
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
}

/* ===== Problem Section ===== */
.problem-section {
  background: var(--gray-50);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.problem-content h2 {
  margin-bottom: 20px;
}

.problem-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.problem-stat {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.problem-stat .stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.problem-stat p {
  font-size: 0.85rem;
  margin: 0;
  margin-top: 4px;
}

.problem-visual {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
  border-radius: var(--radius);
  padding: 48px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.problem-visual::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(249, 168, 37, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.problem-visual h3 {
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 20px;
  position: relative;
}

.problem-visual .impact-list {
  position: relative;
}

.impact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.impact-item:last-child {
  border-bottom: none;
}

.impact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.impact-item p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  font-size: 0.95rem;
}

/* ===== Solution Section ===== */
.solution-section {
  background: var(--white);
}

.solution-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 60px;
}

.solution-image {
  background: linear-gradient(135deg, var(--primary-light) 0%, #CDD5E8 100%);
  border-radius: var(--radius);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  position: relative;
  overflow: hidden;
}

.solution-image-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.solution-image-inner .pellet-icon {
  font-size: 5rem;
  margin-bottom: 16px;
}

.solution-image-inner p {
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 1.1rem;
}

.solution-content h2 {
  margin-bottom: 16px;
}

.solution-content .lead {
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.benefit-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text);
}

.benefit-item .check {
  width: 28px;
  height: 28px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
  font-weight: 700;
}

/* ===== Specs Cards ===== */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.spec-card {
  background: var(--gray-50);
  padding: 32px 24px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

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

.spec-card .spec-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.spec-card .spec-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
  margin: 0;
}

/* ===== Industries Section ===== */
.industries-section {
  background: var(--gray-50);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.industry-card {
  background: var(--white);
  padding: 36px 24px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  cursor: default;
}

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

.industry-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
  transition: var(--transition);
}

.industry-card:hover .industry-icon {
  background: var(--primary);
  color: var(--white);
}

.industry-card h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.industry-card p {
  font-size: 0.85rem;
  margin: 0;
}

/* ===== Sustainability Section ===== */
.sustainability-section {
  background: linear-gradient(135deg, var(--dark) 0%, #142350 60%, var(--primary) 100%);
  color: var(--white);
}

.sustainability-section .section-tag {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
}

.sustainability-section .section-header h2 {
  color: var(--white);
}

.sustainability-section .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.sustainability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sustain-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 36px 28px;
  border-radius: var(--radius);
  backdrop-filter: blur(5px);
  transition: var(--transition);
}

.sustain-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.sustain-icon {
  width: 56px;
  height: 56px;
  background: rgba(249, 168, 37, 0.15);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.sustain-card h3 {
  color: var(--white);
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.sustain-card p {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-size: 0.95rem;
}

/* ===== CTA Section ===== */
.cta-section {
  background: var(--primary-light);
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

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

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  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 {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer-contact-item .icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--dark) 0%, #142350 50%, var(--primary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27, 42, 91, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  position: relative;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

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

.breadcrumb span {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
}

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

.about-image {
  background: linear-gradient(135deg, var(--primary-light) 0%, #CDD5E8 100%);
  border-radius: var(--radius);
  padding: 48px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.about-content h2 {
  margin-bottom: 20px;
}

/* ===== Vision Mission Section ===== */
.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.vm-card {
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.vm-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.vm-card .vm-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.vm-card h3 {
  margin-bottom: 14px;
  font-size: 1.3rem;
}

.vm-card ul {
  padding-left: 0;
}

.vm-card ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-light);
}

.vm-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

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

.why-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

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

.why-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
}

.why-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* ===== Products Page ===== */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.product-image {
  background: linear-gradient(135deg, var(--primary-light) 0%, #CDD5E8 100%);
  border-radius: var(--radius);
  padding: 48px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.product-image .product-icon {
  font-size: 5rem;
  margin-bottom: 16px;
}

.product-image p {
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 1.1rem;
}

.product-details h2 {
  margin-bottom: 16px;
}

.product-details .lead {
  font-size: 1.05rem;
  margin-bottom: 24px;
}

/* ===== Specs Table ===== */
.specs-table-section {
  background: var(--gray-50);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.specs-table thead {
  background: var(--primary);
  color: var(--white);
}

.specs-table th {
  padding: 16px 24px;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}

.specs-table td {
  padding: 14px 24px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tbody tr:hover {
  background: var(--primary-light);
}

/* ===== Applications Grid ===== */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.app-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

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

.app-card .app-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.app-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.app-card p {
  font-size: 0.85rem;
  margin: 0;
}

/* ===== Raw Material Section ===== */
.raw-material {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.raw-material-visual {
  background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
  border-radius: var(--radius);
  padding: 48px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.raw-material-visual .tree-icon {
  font-size: 5rem;
  margin-bottom: 16px;
}

.raw-material-visual p {
  font-weight: 600;
  color: #E65100;
  font-size: 1rem;
}

.raw-info h2 {
  margin-bottom: 16px;
}

.raw-names {
  background: var(--gray-50);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
}

.raw-names p {
  margin: 4px 0;
  font-size: 0.95rem;
  color: var(--text);
}

.raw-names strong {
  color: var(--primary);
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}

.contact-form-card {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.contact-form-card h2 {
  margin-bottom: 8px;
  font-size: 1.6rem;
}

.contact-form-card > p {
  margin-bottom: 28px;
}

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

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group label .required {
  color: #e53935;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  transition: var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27, 42, 91, 0.1);
}

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

.form-submit {
  margin-top: 8px;
}

.form-submit .btn {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1.05rem;
}

/* ===== Contact Sidebar ===== */
.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
  padding: 36px;
  border-radius: var(--radius);
  color: var(--white);
}

.contact-info-card h3 {
  color: var(--white);
  margin-bottom: 24px;
  font-size: 1.2rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-info-item .ci-icon {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-info-item h4 {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-info-item p {
  color: var(--white);
  margin: 0;
  font-size: 0.95rem;
}

.quick-response-card {
  background: var(--primary-light);
  padding: 32px;
  border-radius: var(--radius);
  text-align: center;
}

.quick-response-card .qr-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.quick-response-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.quick-response-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* ===== Honeypot (Anti-Bot) ===== */
.honeypot-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

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

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

/* ===== Mobile Responsive ===== */
@media (max-width: 1024px) {
  .industries-grid,
  .specs-grid,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 0;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    color: var(--text) !important;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
    width: 100%;
    font-size: 1rem;
  }

  .nav-links .btn {
    margin-top: 16px;
    width: 100%;
    justify-content: center;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

  .mobile-overlay.active {
    display: block;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .problem-grid,
  .solution-intro,
  .about-intro,
  .product-showcase,
  .raw-material,
  .vm-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .industries-grid,
  .specs-grid,
  .why-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sustainability-grid,
  .applications-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .page-hero {
    padding: 120px 0 60px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .industries-grid,
  .specs-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .problem-stats {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 24px;
  }
}