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

:root {
  --primary: #003366; /* Deep blue for trust/professional */
  --secondary: #cc5500; /* Burnt orange for energy/heat */
  --accent: #00a86b; /* Green for success/eco */
  --light: #f8f9fa;
  --dark: #212529;
  --gray: #6c757d;
  --light-gray: #e9ecef;
  --danger: #dc3545;
  --success: #28a745;
  --warning: #ffc107;

  --font-heading: "Montserrat", sans-serif;
  --font-body: "Open Sans", sans-serif;

  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --radius: 8px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary);
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.2rem;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.highlight {
  color: var(--secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  gap: 8px;
}

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

.btn-primary:hover {
  background-color: #b34a00;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

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

.btn-small {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.full-width {
  width: 100%;
}

/* Navigation */
/* Navigation */
.navbar {
  background-color: white;
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

.logo a {
  text-decoration: none;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.logo-main {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary);
}

.logo-sub {
  font-size: 0.45rem;
  color: var(--gray);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo-img {
  height: 28px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 15px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  font-family: var(--font-heading);
  transition: var(--transition);
  position: relative;
  font-size: 0.72rem;
  white-space: nowrap;
}

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

.nav-links a:after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: var(--transition);
}

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

.cta-nav {
  background-color: var(--secondary);
  color: white !important;
  padding: 8px 16px !important;
  border-radius: var(--radius);
  border: none;
  font-size: 0.9rem;
}

.cta-nav:hover {
  background-color: #b34a00;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.menu-toggle i {
  font-size: 1.5rem;
  transition: var(--transition);
}

.menu-toggle.active i {
  transform: rotate(90deg);
}

/* Responsive Navbar */

@media (max-width: 1450px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    padding: 20px 40px;
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    gap: 4px;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1rem;
    padding: 12px 0;
    display: block;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
  }

  .nav-links li:last-child a {
    border-bottom: none;
  }

  .cta-nav {
    display: inline-block;
    margin-top: 10px;
    padding: 12px 24px !important;
    font-size: 1rem;
    text-align: center;
    border-bottom: none !important;
  }
}

@media (min-width: 1450px) {
  .navbar .container {
    padding: 10px 0;
  }

  .menu-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    flex-direction: row;
    transform: none;
    opacity: 1;
    visibility: visible;
    background-color: transparent;
    box-shadow: none;
    padding: 0;
    max-height: none;
    overflow: visible;
    gap: 18px;
  }

  .nav-links a {
    font-size: 0.7rem;
    padding: 0;
    border-bottom: none;
  }
}

/* Hero Section */
.hero {
  padding: 150px 0 100px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 2rem;
}

.trust-triggers {
  margin-bottom: 2.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-weight: 500;
}

.trust-item i {
  color: var(--accent);
  font-size: 1.2rem;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.image-badge {
  position: absolute;
  top: -20px;
  right: -20px;
  background-color: var(--primary);
  color: white;
  padding: 15px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
}

.badge-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
}

.badge-text {
  font-size: 0.8rem;
  opacity: 0.9;
}

/* Pain Section */
.pain-section {
  padding: 100px 0;
  background-color: white;
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-bottom: 3rem;
}

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

.pain-list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  padding: 15px;
  background-color: var(--light-gray);
  border-radius: var(--radius);
  transition: var(--transition);
}

.pain-list li:hover {
  transform: translateX(5px);
  background-color: #ffeaea;
}

.pain-list i {
  color: var(--danger);
  font-size: 1.2rem;
}

.solution-box {
  background-color: var(--primary);
  color: white;
  padding: 30px;
  border-radius: var(--radius);
  height: 100%;
}

.solution-box h3 {
  color: white;
  margin-bottom: 1.5rem;
}

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

.solution-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.solution-list i {
  color: var(--accent);
}

.transformation-message {
  background-color: var(--light);
  padding: 30px;
  border-radius: var(--radius);
  text-align: center;
  border-left: 5px solid var(--secondary);
}

.transformation-message h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Why USSPL Section */
.why-section {
  padding: 100px 0;
  background-color: var(--light);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 3rem;
}

.why-card {
  background-color: white;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 5px solid var(--secondary);
}

.why-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.why-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.why-card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.why-features {
  list-style: none;
  margin-top: 1.5rem;
}

.why-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.why-features i {
  color: var(--accent);
  font-size: 0.9rem;
}

.usp-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #004080 100%);
  color: white;
  padding: 40px;
  border-radius: var(--radius);
  text-align: center;
}

.usp-content h3 {
  color: white;
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.usp-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
}

/* Solutions Section */
.solutions-section {
  padding: 100px 0;
  background-color: white;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  justify-content: center;
}

.tab-btn {
  padding: 12px 24px;
  background-color: var(--light-gray);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background-color: var(--secondary);
  color: white;
}

.tab-btn:hover:not(.active) {
  background-color: #d1d6db;
}

.tab-content {
  display: none;
}

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

.solution-detail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  align-items: center;
  background-color: var(--light);
  padding: 40px;
  border-radius: var(--radius);
}

.solution-info h3 {
  color: var(--primary);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.solution-info > p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.solution-features {
  list-style: none;
  margin-bottom: 2rem;
}

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

.solution-features li:before {
  content: "•";
  color: var(--secondary);
  font-size: 1.5rem;
  position: absolute;
  left: 0;
  top: -5px;
}

.solution-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
/* Products & Technologies Section */
.products-section {
  padding: 100px 0;
  background-color: white;
}

.product-category {
  margin-bottom: 60px;
  padding: 30px;
  background-color: var(--light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.product-category:last-child {
  margin-bottom: 0;
}

.category-title {
  color: var(--primary);
  font-size: 1.8rem;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 3px solid var(--secondary);
  position: relative;
}

.category-title:after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100px;
  height: 3px;
  background-color: var(--secondary);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.product-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
  background-color: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  height: 250px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-content {
  padding: 25px 25px 25px 0;
}

.product-content h4 {
  color: var(--secondary);
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.product-content h5 {
  color: var(--primary);
  font-size: 1.2rem;
  margin: 20px 0 10px;
}

.product-list {
  list-style: none;
  counter-reset: product-counter;
}

.product-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  counter-increment: product-counter;
  line-height: 1.5;
}

.product-list li:before {
  content: counter(product-counter) ".";
  position: absolute;
  left: 0;
  color: var(--secondary);
  font-weight: 600;
  font-family: var(--font-heading);
}

.product-bullet-list {
  list-style: none;
  margin: 15px 0;
}

.product-bullet-list li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.product-bullet-list li:before {
  content: "•";
  position: absolute;
  left: 10px;
  color: var(--secondary);
  font-size: 1.2rem;
  font-weight: bold;
}

.innovation-box {
  margin-top: 20px;
  padding: 20px;
  background-color: var(--light);
  border-left: 5px solid var(--secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.innovation-box h5 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.innovation-box p {
  color: var(--gray);
  font-style: italic;
}

.innovation-box ul {
  margin-top: 10px;
}

/* Responsive for Products Section */
@media (max-width: 992px) {
  .product-card {
    grid-template-columns: 250px 1fr;
  }
}

@media (max-width: 768px) {
  .product-card {
    grid-template-columns: 1fr;
  }

  .product-image {
    height: 200px;
  }

  .product-content {
    padding: 20px;
  }

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

@media (max-width: 576px) {
  .product-category {
    padding: 20px;
  }
}
/* Industries Section */
.industries-section {
  padding: 100px 0;
  background-color: var(--light);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.industry-card {
  background-color: white;
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.industry-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.industry-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.industry-card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.industry-card > p {
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.industry-clients {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.client-tag {
  background-color: var(--light-gray);
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--dark);
}
/* Enhanced Industries Grid for more cards */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

@media (max-width: 1200px) {
  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .industries-grid {
    grid-template-columns: 1fr;
  }
}

/* Case Studies */
.case-studies {
  padding: 100px 0;
  background-color: white;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 3rem;
}

.case-card {
  background-color: var(--light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.case-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background-color: var(--accent);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.case-content {
  padding: 30px;
}

.case-content h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.case-details {
  margin-bottom: 1.5rem;
}

.case-details p {
  margin-bottom: 5px;
  font-size: 0.95rem;
}

.case-metrics {
  display: flex;
  gap: 20px;
}

.metric {
  text-align: center;
  flex: 1;
}

.metric-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--secondary);
  line-height: 1;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--gray);
}

.case-cta {
  text-align: center;
  padding: 40px;
  background-color: var(--light);
  border-radius: var(--radius);
}

.case-cta p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

/* Zero Maintenance Section */
.zero-maintenance {
  padding: 100px 0;
  background-color: var(--light);
}

.zm-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 3rem;
}

.zm-feature {
  text-align: center;
  padding: 30px;
  background-color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.zm-feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.zm-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.zm-feature h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.zm-feature p {
  color: var(--gray);
  font-size: 0.95rem;
}

.zm-testimonial {
  background-color: white;
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 5px solid var(--secondary);
}

.zm-testimonial blockquote {
  font-style: italic;
  font-size: 1.2rem;
  color: var(--dark);
  margin-bottom: 1rem;
}

.zm-testimonial cite {
  font-weight: 600;
  color: var(--primary);
}

/* Guaranteed Returns Section */
.guaranteed-section {
  padding: 100px 0;
  background-color: white;
}

.guaranteed-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 3rem;
}

.guarantee-card {
  background-color: var(--light);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.guarantee-card {
  border-top: 5px solid var(--accent);
}

.guarantee-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.guarantee-icon {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.guarantee-card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.guarantee-card p {
  color: var(--gray);
  margin-bottom: 1.5rem;
}

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

.guarantee-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.guarantee-list i {
  color: var(--accent);
}

.payback-scale {
  margin-top: 1.5rem;
}

.payback-item {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--light-gray);
}

.payback-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.payback-time {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--secondary);
}

.payback-desc {
  font-size: 0.9rem;
  color: var(--gray);
}

.guaranteed-process {
  background-color: var(--primary);
  color: white;
  padding: 40px;
  border-radius: var(--radius);
}

.guaranteed-process h3 {
  color: white;
  text-align: center;
  margin-bottom: 2rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step {
  text-align: center;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: var(--secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h4 {
  color: white;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* Engineering Section */
.engineering-section {
  padding: 100px 0;
  background-color: var(--light);
}

.engineering-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 2rem;
}

.service-item {
  text-align: center;
  padding: 20px;
  background-color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.service-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-item i {
  font-size: 2rem;
  color: var(--secondary);
  margin-bottom: 1rem;
}

.service-item h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.service-item p {
  color: var(--gray);
  font-size: 0.9rem;
}

.feasibility-offer {
  background-color: var(--primary);
  color: white;
  padding: 40px;
  border-radius: var(--radius);
  height: fit-content;
}

.feasibility-content h3 {
  color: white;
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}

.feasibility-content > p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.feasibility-list {
  list-style: none;
  margin-bottom: 2rem;
}

.feasibility-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.feasibility-list i {
  color: var(--accent);
}

.feasibility-offer .btn {
  width: 100%;
}

/* Trust Section */
.trust-section {
  padding: 100px 0;
  background-color: white;
}

.clients-category-label {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 4px solid var(--secondary);
}

.clients-category-label--overseas {
  margin-top: 50px;
  color: var(--secondary);
  border-left-color: var(--primary);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 3rem;
}

.clients-grid--overseas {
  grid-template-columns: repeat(5, 1fr);
}

.client-logo {
  background-color: #fff;
  padding: 18px 14px 14px;
  border-radius: var(--radius);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 110px;
  border: 1px solid var(--light-gray);
  box-shadow: 0 2px 8px rgba(0, 51, 102, 0.06);
  transition: var(--transition);
}

.client-logo:hover {
  border-color: var(--secondary);
  box-shadow: 0 6px 18px rgba(0, 51, 102, 0.12);
  transform: translateY(-4px);
}

.client-logo img {
  width: 120px;
  height: 50px;
  object-fit: contain;
  object-position: center;
  filter: grayscale(30%);
  transition: filter 0.3s ease;
}

.client-logo:hover img {
  filter: grayscale(0%);
}

.client-logo span {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.3;
}

.client-logo small {
  font-size: 0.65rem;
  color: var(--gray);
  font-style: italic;
}

.international-projects {
  background-color: var(--light);
  padding: 30px;
  border-radius: var(--radius);
  text-align: center;
}

.intl-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--accent);
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  margin-bottom: 1rem;
  font-weight: 600;
}

.intl-badge i {
  font-size: 1.2rem;
}

.international-projects p {
  max-width: 800px;
  margin: 0 auto;
  color: var(--gray);
}

/* Contact Section */
.contact-section {
  padding: 100px 0;
  background-color: var(--light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
}

.contact-card {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  padding: 25px;
  background-color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--secondary);
}

.contact-details h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.contact-details p {
  color: var(--gray);
}

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

.contact-form h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(204, 85, 0, 0.1);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23cc5500' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
  color: #212529;
}

.form-group select:focus {
  border-left: 3px solid var(--secondary);
}

.form-group input:focus,
.form-group textarea:focus {
  border-left: 3px solid var(--secondary);
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--gray);
}

.checkbox input {
  width: auto;
  margin-top: 5px;
}

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

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: 50px;
  margin-bottom: 40px;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 500;
}

.footer-about p {
  opacity: 0.8;
  margin-bottom: 1rem;
}

.footer-links h4 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

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

.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.cert-badge {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  text-align: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
  opacity: 0.7;
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: 15px;
}

.footer-social a {
  color: white;
  font-size: 1.2rem;
  opacity: 0.7;
  transition: var(--transition);
}

.footer-social a:hover {
  opacity: 1;
  transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .why-grid,
  .industries-grid,
  .case-grid,
  .guaranteed-grid,
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .clients-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .clients-grid--overseas {
    grid-template-columns: repeat(3, 1fr);
  }

  .solution-detail,
  .engineering-content {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .trust-triggers,
  .hero-buttons {
    justify-content: center;
  }

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

  .zm-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 2rem;
  }

  .why-grid,
  .industries-grid,
  .case-grid,
  .guaranteed-grid,
  .zm-grid,
  .process-steps,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .clients-grid,
  .clients-grid--overseas {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-assurance {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}
/* Services & Strength Section */
.services-strength-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.services-strength-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 50px;
}

/* Services Column */
.services-column {
  background-color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.services-header {
  background: var(--primary);
  color: white;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.services-header i {
  font-size: 2.5rem;
  color: var(--secondary);
}

.services-header h3 {
  color: white;
  margin: 0;
  font-size: 1.8rem;
}

.services-list {
  padding: 25px;
}

.services-list::-webkit-scrollbar {
  width: 6px;
}

.services-list::-webkit-scrollbar-track {
  background: var(--light-gray);
  border-radius: 10px;
}

.services-list::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 10px;
}

.service-item-card {
  display: flex;
  gap: 15px;
  padding: 15px;
  border-bottom: 1px solid var(--light-gray);
  transition: var(--transition);
}

.service-item-card:hover {
  background-color: var(--light);
  transform: translateX(5px);
}

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

.service-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--secondary);
  min-width: 45px;
  opacity: 0.7;
}

.service-content h4 {
  color: var(--primary);
  margin-bottom: 5px;
  font-size: 1.1rem;
}

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

/* Strength Column */
.strength-column {
  background-color: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.strength-header {
  background: var(--secondary);
  color: white;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.strength-header i {
  font-size: 2.5rem;
  color: var(--primary);
}

.strength-header h3 {
  color: white;
  margin: 0;
  font-size: 1.8rem;
}

.strength-cards {
  padding: 25px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.strength-card {
  padding: 25px;
  background-color: var(--light);
  border-radius: var(--radius);
  transition: var(--transition);
  border-left: 5px solid var(--primary);
}

.strength-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-left-color: var(--secondary);
}

.strength-icon {
  font-size: 2rem;
  color: var(--secondary);
  margin-bottom: 15px;
}

.strength-card h4 {
  color: var(--primary);
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.strength-card p {
  color: var(--gray);
  margin: 0;
  line-height: 1.6;
}

.strength-cta {
  margin: 25px;
  padding: 25px;
  background: linear-gradient(135deg, var(--primary) 0%, #004080 100%);
  border-radius: var(--radius);
  text-align: center;
  color: white;
}

.strength-cta h4 {
  color: white;
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.strength-cta p {
  opacity: 0.9;
  margin-bottom: 20px;
}

.strength-cta .btn {
  background-color: var(--secondary);
  color: white;
  border: none;
}

.strength-cta .btn:hover {
  background-color: #b34a00;
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 992px) {
  .services-strength-grid {
    grid-template-columns: 1fr;
  }

  .services-header h3,
  .strength-header h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .service-item-card {
    flex-direction: column;
    gap: 5px;
  }

  .service-number {
    font-size: 1.2rem;
  }

  .strength-card {
    padding: 20px;
  }
}

@media (max-width: 576px) {
  .services-header,
  .strength-header {
    flex-direction: column;
    text-align: center;
  }

  .services-list {
    max-height: 500px;
  }
}
/* ===========================
   ABOUT US SECTION
=========================== */
.about-section {
  padding: 100px 0;
  background-color: white;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 50px;
  align-items: start;
}

/* Founder Card */
.founder-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border-top: 5px solid var(--primary);
}

.founder-icon {
  width: 80px;
  height: 80px;
  background-color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.founder-icon i {
  font-size: 2rem;
  color: white;
}

.founder-card h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.founder-title {
  font-size: 0.82rem;
  color: var(--secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.founder-card p:last-child {
  color: var(--gray);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* Quote Block */
.about-quote {
  background-color: var(--primary);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin-bottom: 24px;
}

.about-quote i {
  font-size: 1.4rem;
  color: var(--secondary);
  margin-bottom: 10px;
  display: block;
}

.about-quote blockquote {
  font-size: 1.25rem;
  font-style: italic;
  color: white;
  line-height: 1.7;
  margin: 0 0 10px 0;
  font-family: var(--font-body);
}

.about-quote cite {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  font-style: normal;
  font-family: var(--font-heading);
  font-weight: 600;
}

/* Body Text */
.about-text {
  color: var(--gray);
  font-size: 0.97rem;
  line-height: 1.8;
  margin-bottom: 14px;
}

/* Stats Row */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.about-stat {
  background-color: var(--light);
  border-radius: var(--radius);
  padding: 20px 10px;
  text-align: center;
  box-shadow: var(--shadow);
  border-bottom: 4px solid var(--secondary);
  transition: var(--transition);
}

.about-stat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}
/* ===========================
   HERO IMAGE SLIDER
=========================== */
.hero-slider {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.slider-wrapper {
  position: relative;
  width: 100%;
}

.slide {
  display: none;
  width: 100%;
}

.slide.active {
  display: block;
}

.slide img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

@keyframes slideFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide.active {
  animation: slideFadeIn 0.6s ease forwards;
}

.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.dot.active {
  background-color: var(--secondary);
  border-color: var(--secondary);
  transform: scale(1.2);
}
/* /* ===========================
   HERO IMAGE SLIDER
=========================== */
/*.hero-slider {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 100%;
  background-color: #f0f0f0;
}

.slider-wrapper {
  width: 100%;
}

.slide {
  display: none;
  width: 100%;
}

.slide.active {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: slideFadeIn 0.4s ease forwards;
}

.slide img {
  width: 100%;
  height: 380px;
  object-fit: contain;
  object-position: center;
  display: block;
}

@keyframes slideFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.dot {
  width: 10px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.dot.active {
  background-color: var(--secondary);
  border-color: var(--secondary);
  transform: scale(1.2);
} */