:root {
  --primary: #0073e6;
  --primary-dark: #0056b3;
  --dark: #1a2636;
  --light: #f8f9fa;
  --muted: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
  --maxwidth: 1200px;
  --radius: 8px;
  --spacing: 1.5rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.7;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Lato", sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
}

h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

h4 {
  font-size: 1.25rem;
  font-weight: 700;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.container {
  max-width: var(--maxwidth);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
[w3-include-html="header.html"] {
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-overlay.active {
  display: block;
  opacity: 1;
}

.nav.scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  transition: padding 0.3s ease;
}

.nav.scrolled .nav-container {
  padding: 0.5rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.logo-img {
  max-height: 50px;
  width: auto;
  transition: all 0.3s ease;
}

.nav.scrolled .logo-img {
  max-height: 35px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 9001;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--dark);
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--dark);
  font-weight: 500;
  transition: color 0.3s ease;
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  min-height: 500px;
  display: flex;
  align-items: center;
  position: relative;
  background-image: url("../images/hero.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(
    to top,
    rgba(0, 115, 230, 0.85) 0%,
    rgba(0, 115, 230, 0.5) 50%,
    rgba(0, 115, 230, 0) 100%
  );
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  /* margin-top: 50px; */
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--white);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subhead {
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
  text-decoration: none;
}

/* Intro Section */
.intro {
  padding: 4rem 0;
}

.lead {
  font-size: 1.125rem;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto;
  text-align: justify;
  color: var(--dark);
}

/* Service Snapshot */
.services-snapshot {
  padding: 4rem 0;
  background: var(--light);
}
.services-snapshot h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

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

.service-card ul {
  list-style: none;
  padding: 0;
}

.service-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

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

.service-card li::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Why Choose Us */
.why-choose {
  padding: 4rem 0;
}

.why-choose h2 {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--dark);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.benefit {
  padding: 1.5rem;
  border-left: 4px solid var(--primary);
  background: var(--light);
  border-radius: var(--radius);
}

.benefit strong {
  color: var(--primary);
  font-size: 1.125rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* Clients */
.clients {
  padding: 4rem 0;
  background: var(--light);
}

.clients-intro {
  text-align: center;
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--muted);
}

.client-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.client-logo img {
  max-height: 80px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s ease;
}

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

/* Testimonial */
.testimonial {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f4f8 100%);
}

.testimonial blockquote {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--dark);
  max-width: 800px;
  margin: 0 auto 1.5rem;
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 600;
  color: var(--muted);
}

/* Page Header */
.page-header {
  padding: 3rem 0 2rem;
  text-align: center;
  background: var(--light);
}

.page-subhead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto;
}

/* Service Section */
.service-section {
  padding: 4rem 0;
}

.alt-bg {
  background: var(--light);
}

.service-intro {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 3rem;
}

.service-intro h2 {
  margin-bottom: 1.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-detail-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.service-detail-card img {
  width: 100%;
  display: block;
}

.service-detail-card h3 {
  padding: 1.5rem 1.5rem 1rem;
  color: var(--primary);
}

.service-detail-card ul {
  padding: 0 1.5rem 1.5rem;
  list-style: none;
}

.service-detail-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

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

.service-detail-card li::before {
  content: "• ";
  color: var(--primary);
  font-weight: bold;
  margin-right: 0.5rem;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.service-feature img {
  width: 100%;
  border-radius: var(--radius);
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  padding: 1rem 0;
  font-size: 1.125rem;
  border-bottom: 1px solid var(--border);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: bold;
  margin-right: 0.75rem;
}

/* Highlights */
.highlights {
  padding: 4rem 0;
}

.highlights h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.highlight {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius);
  border-top: 4px solid var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.highlight strong {
  color: var(--primary);
  font-size: 1.125rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
  padding: 4rem 0;
  text-align: center;
  background: var(--light);
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  margin-bottom: 2rem;
  color: var(--muted);
}

.cta-note {
  margin-top: 1.5rem;
  font-size: 0.9375rem;
  color: var(--muted);
}

.cta-note a {
  color: var(--primary);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius);
}

.about-text {
  padding: 2rem;
}

/* Mission Section */
.mission-section {
  padding: 4rem 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
}

.mission-card {
  padding: 2.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.mission-card h2 {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Values Section */
.values-section {
  padding: 4rem 0;
}

.values-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.value {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.value h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* Ethical Section */
.ethical-section {
  padding: 4rem 0;
}

.ethical-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.ethical-content h2 {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

/* Clients Section */
.clients-section {
  padding: 4rem 0;
}

.clients-header {
  text-align: center;
  margin-bottom: 3rem;
}

.clients-header h2 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.clients-header p {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto;
}

.clients-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.client-item {
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-left: 4px solid var(--primary);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.client-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.client-item strong {
  display: block;
  color: var(--primary);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.client-item span {
  display: block;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* Group Section */
.group-section {
  padding: 4rem 0;
}

.group-section h2 {
  text-align: center;
  margin-bottom: 3rem;
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.group-company {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.group-company h3 {
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* Contact */
.contact-main {
  padding: 4rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-form-container h2,
.contact-info-container h2 {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.contact-form {
  background: var(--light);
  padding: 2rem;
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-info-box,
.track-record-box {
  margin-bottom: 3rem;
  padding: 2rem;
  background: var(--light);
  border-radius: var(--radius);
}

.track-record-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.track-record-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.track-record-list li:last-child {
  border-bottom: none;
}

.track-record-list li::before {
  content: "✓ ";
  color: var(--primary);
  font-weight: bold;
  margin-right: 0.75rem;
}

.track-record-box h3 {
  color: var(--primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.project-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-item {
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.project-item h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Footer */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col p {
  color: #d1d5db;
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #d1d5db;
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-legal {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #374151;
}

.footer-legal p {
  color: #9ca3af;
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 0;
    min-height: 400px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subhead {
    font-size: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-overlay {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    gap: 0;
    align-items: flex-start;
    z-index: 1001;
  }

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

  .nav-menu li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .service-features,
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .clients-list {
    grid-template-columns: 1fr;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
  }
}