/* ===================================
   Nordest Water Technologies
   Main Stylesheet
   =================================== */

/* ===================================
   1. CSS Variables & Global Styles
   =================================== */

:root {
  /* Primary Colors */
  --primary: #2e7d32;
  --primary-dark: #1b5e20;
  --primary-light: #4caf50;
  --secondary: #00695c;

  /* Neutral Colors */
  --dark: #263238;
  --light: #f8f9fa;
  --gray: #6c757d;

  /* Status Colors */
  --success: #388e3c;
  --warning: #f57c00;
  --danger: #d32f2f;

  /* Effects */
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #fff;
  color: var(--dark);
  line-height: 1.6;
}

/* ===================================
   2. Layout & Container
   =================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

/* ===================================
   3. Typography
   =================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

h2:after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary);
}

h3 {
  font-size: 1.8rem;
}

p {
  margin-bottom: 1.5rem;
}

/* ===================================
   4. Buttons
   =================================== */

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

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

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

/* ===================================
   5. Section Headers
   =================================== */

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--gray);
}

/* ===================================
   6. Header & Navigation
   =================================== */

header {
  background: white;
  box-shadow: var(--shadow);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  margin-right: 10px;
}

.logo-placeholder {
  width: 50px;
  height: 50px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  border-radius: 4px;
}

.logo-text {
  margin-left: 10px;
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 600;
  transition: var(--transition);
}

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

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

/* ===================================
   7. Hero Section with Slider
   =================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  color: white;
}

/* Hero Slider Container */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Individual Slide */
.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
  z-index: 1;
  background-color: var(--dark);
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

/* Background Image */
.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: scroll;
  z-index: 0;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

/* Overlay for better text readability */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.65) 0%,
    rgba(46, 125, 50, 0.45) 100%
  );
  z-index: 1;
  pointer-events: none;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 80px 20px 100px;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  padding-top: 20px;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
}

.hero-description {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-btns .btn {
  min-width: 200px;
}

/* Slide Animations */
.animate-fade-in {
  animation: fadeInUp 0.8s ease-out forwards;
  opacity: 0;
}

.animate-fade-in-delay {
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
  opacity: 0;
}

.animate-fade-in-delay-2 {
  animation: fadeInUp 0.8s ease-out 0.6s forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slider Controls */
.hero-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 3;
  pointer-events: none;
}

.hero-prev,
.hero-next {
  pointer-events: all;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  backdrop-filter: blur(5px);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.hero-prev:hover,
.hero-next:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: white;
  transform: scale(1.1);
}

.hero-prev:active,
.hero-next:active {
  transform: scale(0.95);
  background: rgba(255, 255, 255, 0.4);
}

/* Slider Indicators */
.hero-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}

.hero-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.hero-indicator:hover {
  background: rgba(255, 255, 255, 0.6);
  transform: scale(1.2);
}

.hero-indicator.active {
  background: white;
  width: 40px;
  border-radius: 6px;
}

/* ===================================
   8. Value Propositions Section
   =================================== */

.value-props {
  background: var(--light);
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.value-props .section-header {
  margin-top: 60px;
}

.prop-card {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}

.prop-card:hover {
  transform: translateY(-10px);
}

.prop-card i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.prop-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.prop-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--gray);
}

.production-range {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 40px;
}

.production-item {
  background: var(--light);
  padding: 12px 22px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #e0e0e0;
  transition: var(--transition);
}

.production-item:hover {
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.production-item i {
  color: var(--primary);
  font-size: 1.1rem;
}

/* ===================================
   9. Manufacturing Section
   =================================== */

.manufacturing-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
}

.manufacturing-text h2 {
  text-align: left;
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
}

.manufacturing-text h2:after {
  left: 0;
  transform: none;
}

.manufacturing-text h3 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.manufacturing-text > p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 1.5rem;
}

.manufacturing-image {
  background: var(--light);
  height: 100%;
  min-height: 450px;
  max-height: 550px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 100px;
}

.manufacturing-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
}

.manufacturing-image i {
  font-size: 5rem;
  color: var(--primary);
}

.facilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.facility-card {
  background: white;
  padding: 24px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  text-align: center;
  border-left: 3px solid var(--primary);
  transition: var(--transition);
}

.facility-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  border-left-width: 4px;
}

.facility-card i {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.facility-card h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.facility-card p {
  font-size: 0.9rem;
  color: var(--gray);
  margin: 0;
}

.certifications {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.cert-badge {
  background: linear-gradient(135deg, var(--light) 0%, #ffffff 100%);
  padding: 12px 24px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  border: 2px solid var(--primary);
  color: var(--primary);
  transition: var(--transition);
}

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

/* ===================================
   10. Engineering Services Section
   =================================== */

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
}

.service-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.service-card i {
  color: var(--primary);
  font-size: 1.5rem;
}

.service-list {
  list-style: none;
}

.service-list li {
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.service-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: bold;
}

/* ===================================
   11. Technology Solutions Section
   =================================== */

.tech-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-tab {
  padding: 12px 25px;
  background: var(--light);
  border: none;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid #e0e0e0;
}

.tech-tab.active {
  background: var(--primary);
  color: white;
}

.tech-content {
  display: none;
}

.tech-content.active {
  display: block;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.tech-card {
  background: white;
  padding: 25px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  overflow: hidden;
  position: relative;
}

.tech-card img {
  height: 180px;
  object-fit: cover;
  transition: transform 0.6s ease, opacity 0.3s ease;
  animation: imageReveal 1.2s ease-out forwards;
  opacity: 0;
}

.tech-card:hover img {
  transform: scale(1.08);
  opacity: 1;
}

@keyframes imageReveal {
  0% {
    opacity: 0;
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.tech-card h4 {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tech-card i {
  color: var(--primary);
}

/* ===================================
   12. Project References Section
   =================================== */

.projects {
  background: var(--light);
  padding: 80px 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.project-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
}

.project-header {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  padding: 28px 30px;
}

.project-header h3 {
  color: white;
  margin-bottom: 15px;
  font-size: 1.35rem;
  line-height: 1.35;
}

.project-meta {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.88rem;
  backdrop-filter: blur(10px);
}

.project-meta-item i {
  font-size: 1rem;
}

.project-content {
  padding: 30px 28px;
}

.project-highlight {
  background: linear-gradient(135deg, #e8f5e8 0%, #f1f8f1 100%);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 28px;
  border-left: 4px solid var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.project-highlight h4 {
  color: var(--primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
}

.project-highlight h4 i {
  font-size: 1.15rem;
}

.project-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.project-stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: white;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.project-stat-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.project-stat-item span:first-child {
  font-size: 0.85rem;
  color: var(--gray);
}

.project-stat-value {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
}

.project-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.project-section > div {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 8px;
  transition: var(--transition);
}

.project-section > div:hover {
  background: #e8f5e8;
  transform: translateY(-3px);
}

.project-section h4 {
  color: var(--primary);
  margin-bottom: 14px;
  font-size: 1.05rem;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 6px;
}

.project-section ul {
  list-style: none;
}

.project-section li {
  margin-bottom: 10px;
  padding-left: 22px;
  position: relative;
  line-height: 1.55;
  font-size: 0.88rem;
}

.project-section li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
  font-size: 1rem;
}

.project-specs {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  padding: 24px;
  border-radius: 8px;
  margin-bottom: 28px;
  border: 2px solid #e0e0e0;
}

.project-specs h4 {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 1.08rem;
  text-align: center;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
}

.spec-item {
  text-align: center;
  padding: 16px 12px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.spec-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.spec-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
  display: block;
}

.spec-label {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.35;
}

.project-cta {
  text-align: center;
  margin-top: 50px;
  padding: 45px 30px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.project-cta h3 {
  margin-bottom: 12px;
  font-size: 1.8rem;
  color: var(--primary);
}

.project-cta p {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 22px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.project-cta h3 {
  margin-bottom: 10px;
}

.project-cta p {
  max-width: 600px;
  margin: 0 auto 25px;
}

/* ===================================
   13. Industries Section
   =================================== */

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.industry-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--primary);
}

.industry-card:hover {
  transform: translateY(-10px);
}

.industry-icon {
  background: var(--primary);
  color: white;
  padding: 25px;
  text-align: center;
  font-size: 2.5rem;
}

.industry-content {
  padding: 25px;
}

.industry-content h3 {
  margin-bottom: 15px;
}

.challenge-solution {
  margin-top: 20px;
  padding: 15px;
  background: var(--light);
  border-radius: 4px;
}

.challenge-solution h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--primary);
}

/* ===================================
   14. Contact Section
   =================================== */

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

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  margin-bottom: 20px;
}

.contact-details {
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.contact-item i {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
}

.manufacturing-address {
  margin-top: 30px;
}

.manufacturing-address h4 {
  margin-bottom: 10px;
}

.contact-form {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

/* ===================================
   15. Footer
   =================================== */

footer {
  background: var(--dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h3 {
  font-size: 1.3rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-column h3:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary);
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #bbb;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  color: white;
  font-size: 1.2rem;
  transition: var(--transition);
}

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

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #444;
  color: #bbb;
  font-size: 0.9rem;
}

/* ===================================
   16. Contact Page Styles
   =================================== */

.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 60px 0 40px;
  text-align: center;
  margin-top: 80px;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 0.95;
}

.contact-page {
  padding: 50px 0;
}

.contact-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

.contact-intro h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.contact-intro p {
  font-size: 1rem;
  color: var(--gray);
  line-height: 1.6;
}

.contact-page .contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  margin-top: 40px;
}

.contact-container-simple {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info-centered {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-main-email {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 40px 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.contact-main-email i {
  font-size: 3rem;
  margin-bottom: 15px;
  opacity: 0.95;
}

.contact-main-email h3 {
  font-size: 1.6rem;
  margin-bottom: 15px;
  color: white;
}

.email-address {
  margin: 20px 0;
}

.email-address a {
  color: white;
  text-decoration: none;
  font-size: 1.6rem;
  font-weight: 700;
  border: 2px solid white;
  padding: 12px 35px;
  border-radius: 50px;
  display: inline-block;
  transition: var(--transition);
}

.email-address a:hover {
  background: white;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.email-note {
  font-size: 0.95rem;
  opacity: 0.95;
  line-height: 1.5;
  margin-top: 15px;
}

.contact-phone-box,
.contact-location-box {
  background: white;
  padding: 30px 25px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.contact-phone-box:hover,
.contact-location-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.contact-phone-box i,
.contact-location-box i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.contact-phone-box h3,
.contact-location-box h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.contact-phone-box .phone-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin: 15px 0;
}

.contact-phone-box .phone-hours {
  color: var(--gray);
  font-size: 0.95rem;
}

.contact-location-box .company-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.contact-location-box .address {
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.contact-location-box .visiting-hours {
  color: var(--gray);
  margin: 12px 0;
  font-size: 0.95rem;
}

.contact-location-box .visit-note {
  font-size: 0.9rem;
  color: var(--gray);
  font-style: italic;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e0e0e0;
}

.contact-locations-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 35px;
}

.location-logo {
  width: 150px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.contact-maps-section {
  margin-top: 50px;
}

.contact-maps-section h3 {
  font-size: 1.5rem;
  color: var(--dark);
  margin-bottom: 30px;
  text-align: center;
}

.contact-maps-section h3 i {
  color: var(--primary);
  margin-right: 8px;
}

.maps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.map-container h4 {
  font-size: 1.2rem;
  color: var(--dark);
  margin-bottom: 15px;
  text-align: center;
}

.contact-map-section {
  margin-top: 35px;
}

.contact-map-section h3 {
  font-size: 1.5rem;
  color: var(--dark);
  margin-bottom: 20px;
  text-align: center;
}

.contact-map-section h3 i {
  color: var(--primary);
  margin-right: 8px;
}

.contact-page .contact-info h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.contact-page .contact-info > p {
  margin-bottom: 30px;
  color: var(--gray);
  line-height: 1.7;
}

.contact-page .contact-details {
  margin-bottom: 40px;
}

.contact-page .contact-item {
  display: flex;
  gap: 20px;
  padding: 25px;
  background: var(--light);
  border-radius: 8px;
  margin-bottom: 15px;
  transition: var(--transition);
  border-left: 4px solid var(--primary);
}

.contact-page .contact-item:hover {
  background: white;
  box-shadow: var(--shadow);
  transform: translateX(5px);
}

.contact-page .contact-item i {
  font-size: 1.8rem;
  color: var(--primary);
  min-width: 40px;
  margin-top: 5px;
}

.contact-page .contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.contact-page .contact-item p {
  margin: 0;
  color: var(--gray);
}

.contact-page .contact-item a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.contact-page .contact-item a:hover {
  text-decoration: underline;
}

.contact-desc {
  display: block;
  font-size: 0.9rem;
  color: var(--gray);
  margin-top: 5px;
}

.contact-direct {
  background: var(--primary);
  color: white;
  padding: 30px;
  border-radius: 8px;
  margin-bottom: 30px;
  text-align: center;
}

.contact-direct h4 {
  color: white;
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.phone-number {
  font-size: 2rem;
  font-weight: 700;
  margin: 15px 0;
}

.phone-hours {
  font-size: 0.95rem;
  opacity: 0.9;
}

.contact-page .manufacturing-address {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 30px;
}

.contact-page .manufacturing-address h4 {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.company-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 10px;
}

.address {
  color: var(--gray);
  margin-bottom: 15px;
  line-height: 1.7;
}

.visiting-hours {
  color: var(--gray);
  margin-bottom: 15px;
}

.visit-note {
  font-size: 0.9rem;
  color: var(--gray);
  font-style: italic;
  padding-top: 15px;
  border-top: 1px solid #e0e0e0;
  margin-top: 15px;
}

.contact-map {
  margin-top: 30px;
}

.contact-map h4 {
  color: var(--dark);
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.map-placeholder {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.contact-form-section {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form-section h3 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.form-intro {
  color: var(--gray);
  margin-bottom: 30px;
  line-height: 1.7;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark);
  font-size: 0.95rem;
}

.required {
  color: #e53935;
  font-weight: 700;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-control::placeholder {
  color: #999;
}

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

select.form-control {
  cursor: pointer;
  background-color: white;
}

.checkbox-group {
  margin-bottom: 25px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-label span {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

.checkbox-label a {
  color: var(--primary);
  text-decoration: underline;
}

.btn-large {
  width: 100%;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.form-note {
  background: #f5f5f5;
  padding: 15px;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--gray);
  margin-top: 20px;
  line-height: 1.6;
  display: flex;
  gap: 10px;
}

.form-note i {
  color: var(--primary);
  margin-top: 2px;
}

.form-success {
  background: #e8f5e9;
  border: 2px solid var(--primary);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  margin-top: 20px;
}

.form-success i {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.form-success h4 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.form-success p {
  color: var(--gray);
  font-size: 1.05rem;
}

.contact-additional-info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 2px solid #e0e0e0;
}

.info-card {
  text-align: center;
  padding: 25px 15px;
  background: var(--light);
  border-radius: 8px;
  transition: var(--transition);
}

.info-card:hover {
  background: white;
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.info-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.info-card h4 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--dark);
}

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

/* ===================================
   17. Responsive Design
   =================================== */

/* Desktop and Tablet - 992px and below */
@media (max-width: 992px) {
  .manufacturing-content,
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .manufacturing-image {
    position: static;
    order: -1;
    min-height: 350px;
    max-height: 450px;
  }

  .manufacturing-text h2 {
    font-size: 2rem;
  }

  .manufacturing-text h3 {
    font-size: 1.3rem;
  }

  .contact-page .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .contact-additional-info {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .project-header {
    padding: 28px 30px;
  }

  .project-header h3 {
    font-size: 1.4rem;
  }

  .project-content {
    padding: 35px 30px;
  }

  .project-section {
    gap: 25px;
  }

  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .page-header h1 {
    font-size: 2.5rem;
  }

  .page-header p {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 15px 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    margin: 10px 0;
  }

  .hamburger {
    display: block;
  }

  .hero {
    min-height: 450px;
    height: 70vh;
    max-height: 600px;
  }

  .hero-slider,
  .hero-slide,
  .hero-slide-bg {
    height: 100%;
  }

  .hero-content {
    padding: 80px 20px 100px;
  }

  .hero-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
  }

  .hero-description {
    font-size: 1rem;
    margin-bottom: 2rem;
    padding: 0 10px;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }

  .hero-btns .btn {
    width: 100%;
    max-width: 280px;
  }

  .hero-controls {
    padding: 0 15px;
  }

  .hero-prev,
  .hero-next {
    width: 45px;
    height: 45px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.25);
  }

  .manufacturing-image {
    min-height: 280px;
    max-height: 380px;
  }

  .manufacturing-text h2 {
    font-size: 1.75rem;
  }

  .manufacturing-text h3 {
    font-size: 1.2rem;
    margin-top: 1.5rem;
  }

  .manufacturing-text > p {
    font-size: 1rem;
  }

  .facility-card {
    padding: 20px 16px;
  }

  .facility-card i {
    font-size: 2rem;
  }

  .facility-card h4 {
    font-size: 1rem;
  }

  .facilities-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .cert-badge {
    font-size: 0.85rem;
    padding: 10px 20px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .project-header {
    padding: 24px 25px;
  }

  .project-header h3 {
    font-size: 1.3rem;
  }

  .project-content {
    padding: 30px 25px;
  }

  .project-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-section > div {
    padding: 20px;
  }

  .project-highlight {
    padding: 20px;
  }

  .project-highlight h4 {
    font-size: 1.1rem;
  }

  .project-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .spec-item {
    padding: 15px 10px;
  }

  .spec-value {
    font-size: 1.5rem;
  }

  .spec-label {
    font-size: 0.82rem;
  }

  .project-cta {
    padding: 40px 25px;
  }

  .project-cta h3 {
    font-size: 1.6rem;
  }

  .project-cta p {
    font-size: 1rem;
  }
}

/* Mobile - 576px and below */
@media (max-width: 576px) {
  section {
    padding: 60px 0;
  }

  .props-grid,
  .services-grid,
  .tech-grid,
  .industries-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: 50px 0 35px;
  }

  .page-header h1 {
    font-size: 1.8rem;
  }

  .page-header p {
    font-size: 0.95rem;
  }

  .contact-page {
    padding: 40px 0;
  }

  .contact-intro {
    margin-bottom: 30px;
  }

  .contact-intro h2 {
    font-size: 1.5rem;
  }

  .contact-intro p {
    font-size: 0.95rem;
  }

  .contact-main-email {
    padding: 30px 20px;
  }

  .contact-main-email i {
    font-size: 2.5rem;
    margin-bottom: 12px;
  }

  .contact-main-email h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
  }

  .email-address {
    margin: 15px 0;
  }

  .email-address a {
    font-size: 1.2rem;
    padding: 10px 25px;
  }

  .email-note {
    font-size: 0.9rem;
  }

  .contact-phone-box,
  .contact-location-box {
    padding: 25px 20px;
  }

  .contact-phone-box i,
  .contact-location-box i {
    font-size: 2rem;
  }

  .contact-phone-box .phone-number {
    font-size: 1.5rem;
  }

  .contact-locations-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .maps-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .contact-maps-section {
    margin-top: 35px;
  }

  .contact-map-section {
    margin-top: 25px;
  }

  .contact-additional-info {
    margin-top: 30px;
    padding-top: 30px;
  }

  .contact-form-section {
    padding: 25px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-additional-info {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .phone-number {
    font-size: 1.6rem;
  }

  .btn-large {
    padding: 12px 25px;
    font-size: 1rem;
  }

  .projects-grid {
    gap: 30px;
  }

  .project-card {
    border-radius: 10px;
  }

  .project-header {
    padding: 20px;
  }

  .project-header h3 {
    font-size: 1.15rem;
    margin-bottom: 15px;
  }

  .project-meta {
    gap: 10px;
  }

  .project-meta-item {
    font-size: 0.85rem;
    padding: 6px 12px;
  }

  .project-content {
    padding: 25px 20px;
  }

  .project-highlight {
    padding: 18px;
    margin-bottom: 25px;
  }

  .project-highlight h4 {
    font-size: 1rem;
    margin-bottom: 15px;
  }

  .project-stats {
    gap: 10px;
  }

  .project-stat-item {
    padding: 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .project-stat-item span:first-child {
    font-size: 0.85rem;
  }

  .project-stat-value {
    font-size: 1.1rem;
  }

  .project-section {
    margin-bottom: 25px;
  }

  .project-section > div {
    padding: 18px;
  }

  .project-section h4 {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .project-section li {
    font-size: 0.88rem;
    margin-bottom: 10px;
    padding-left: 22px;
  }

  .project-specs {
    padding: 20px;
    margin-bottom: 25px;
  }

  .project-specs h4 {
    font-size: 1.05rem;
    margin-bottom: 20px;
  }

  .specs-grid {
    gap: 10px;
  }

  .spec-item {
    padding: 15px 8px;
  }

  .spec-value {
    font-size: 1.3rem;
  }

  .spec-label {
    font-size: 0.78rem;
  }

  .project-cta {
    padding: 35px 20px;
    margin-top: 40px;
  }

  .project-cta h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
  }

  .project-cta p {
    font-size: 0.92rem;
    margin-bottom: 20px;
  }

  .prop-card {
    padding: 25px 20px;
  }

  .prop-card i {
    font-size: 2.5rem;
    margin-bottom: 15px;
  }

  .prop-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .prop-card p {
    font-size: 0.9rem;
  }

  .production-item {
    padding: 10px 18px;
    font-size: 0.85rem;
  }

  .production-item i {
    font-size: 1rem;
  }

  .hero {
    min-height: 400px;
    height: 60vh;
    max-height: 500px;
  }

  .hero-slider,
  .hero-slide,
  .hero-slide-bg {
    height: 100%;
  }

  .hero-content {
    padding: 70px 15px 90px;
  }

  .hero-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    line-height: 1.3;
  }

  .hero-description {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    padding: 0 5px;
    line-height: 1.6;
  }

  .hero-btns {
    gap: 12px;
    padding: 0 10px;
  }

  .hero-btns .btn {
    width: 100%;
    max-width: 260px;
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .hero-controls {
    padding: 0 10px;
  }

  .hero-prev,
  .hero-next {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.3);
    border-width: 1px;
  }

  .hero-indicators {
    bottom: 25px;
    gap: 10px;
  }

  .hero-indicator {
    width: 8px;
    height: 8px;
    border-width: 1px;
  }

  .hero-indicator.active {
    width: 28px;
  }

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

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

/* Extra Small Devices - 375px and below */
@media (max-width: 375px) {
  .hero {
    min-height: 380px;
    height: 55vh;
    max-height: 450px;
  }

  .hero-content {
    padding: 60px 15px 80px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-description {
    font-size: 0.85rem;
  }

  .hero-btns .btn {
    font-size: 0.85rem;
    padding: 9px 18px;
  }

  .hero-prev,
  .hero-next {
    width: 35px;
    height: 35px;
    font-size: 0.85rem;
  }
}

/* Landscape Mode for Mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    height: 100vh;
    max-height: none;
  }

  .hero-content {
    padding: 50px 15px 70px;
  }

  .hero-title {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
  }

  .hero-description {
    font-size: 0.85rem;
    margin-bottom: 1rem;
  }

  .hero-btns {
    gap: 8px;
  }

  .hero-btns .btn {
    padding: 7px 18px;
    font-size: 0.8rem;
  }

  .hero-indicators {
    bottom: 15px;
  }

  .hero-controls {
    display: none;
  }
}