:root {
  --blue-900: #0a1628;
  --blue-800: #0f2240;
  --blue-700: #142f58;
  --blue-600: #1a3a5c;
  --blue-500: #1e4d7a;
  --blue-400: #2a6ba0;
  --blue-300: #4a8fc4;
  --blue-200: #8bb9df;
  --blue-100: #c5ddf0;
  --blue-50: #e8f2fa;
  --orange-600: #d4630a;
  --orange-500: #f47b20;
  --orange-400: #f69345;
  --orange-300: #f8ad6a;
  --orange-100: #fde8d4;
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #404040;
  --gray-600: #666;
  --gray-500: #888;
  --gray-400: #aaa;
  --gray-300: #ccc;
  --gray-200: #e0e0e0;
  --gray-100: #f0f0f0;
  --gray-50: #f8f8f8;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-hindi: 'Nirmala UI', 'Mangal', sans-serif;
  --container: 1200px;
  --header-h: 72px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  line-height: 1.6;
  font-size: 16px;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
body.hindi { font-family: var(--font-hindi); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-500); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-400); }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--gray-900); font-weight: 700; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.375rem; margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 { position: relative; display: inline-block; }
.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--orange-500);
  margin: 12px auto 0;
  border-radius: 2px;
}
.section-title p { color: var(--gray-600); font-size: 1.1rem; max-width: 700px; margin: 1rem auto 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange-500);
  color: var(--white);
  border-color: var(--orange-500);
}
.btn-primary:hover {
  background: var(--orange-600);
  border-color: var(--orange-600);
  color: var(--white);
}
.btn-secondary {
  background: var(--blue-600);
  color: var(--white);
  border-color: var(--blue-600);
}
.btn-secondary:hover {
  background: var(--blue-700);
  border-color: var(--blue-700);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--blue-600);
  border-color: var(--blue-600);
}
.btn-outline:hover {
  background: var(--blue-600);
  color: var(--white);
}
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 16px 36px; font-size: 1.125rem; }

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--blue-600);
  line-height: 1.2;
}
.logo span { display: block; font-size: 0.75rem; font-weight: 500; color: var(--gray-600); letter-spacing: 0.5px; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}
.nav a:hover, .nav a.active { color: var(--blue-500); border-bottom-color: var(--orange-500); }
.lang-switch {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  padding: 3px;
  border-radius: var(--radius-sm);
}
.lang-switch button {
  background: none;
  border: none;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 3px;
  color: var(--gray-600);
  transition: all var(--transition);
}
.lang-switch button.active { background: var(--white); color: var(--blue-600); box-shadow: var(--shadow-sm); }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 8px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--gray-800); transition: all var(--transition); border-radius: 1px; }

.hero {
  padding: calc(var(--header-h) + 60px) 0 80px;
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-600) 50%, var(--blue-500) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(244,123,32,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero h1 { font-size: 3rem; color: var(--white); margin-bottom: 1.25rem; }
.hero p { font-size: 1.2rem; color: var(--blue-100); margin-bottom: 2rem; max-width: 650px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-buttons .btn-primary { background: var(--orange-500); border-color: var(--orange-500); }
.hero-buttons .btn-outline { border-color: var(--white); color: var(--white); }
.hero-buttons .btn-outline:hover { background: var(--white); color: var(--blue-600); }
.hero-secondary { margin-top: 1.5rem; }
.hero-secondary a { color: var(--blue-200); font-size: 0.95rem; }
.hero-secondary a:hover { color: var(--white); }

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.card-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: var(--blue-50); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.5rem; color: var(--blue-500); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }

.trust-strip {
  background: var(--gray-50);
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}
.trust-strip .container { display: flex; justify-content: space-around; text-align: center; gap: 24px; flex-wrap: wrap; }
.trust-item { flex: 1; min-width: 140px; }
.trust-item .number { font-size: 2rem; font-weight: 800; color: var(--blue-600); }
.trust-item .label { font-size: 0.875rem; color: var(--gray-600); margin-top: 4px; }

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-card .icon { font-size: 2.5rem; margin-bottom: 16px; }
.service-card h3 { margin-bottom: 12px; }
.service-card p { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 20px; }

.workers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.worker-cat {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: default;
}
.worker-cat:hover { border-color: var(--blue-300); background: var(--blue-50); }
.worker-cat .icon { font-size: 1.5rem; margin-bottom: 8px; }

.page-header {
  padding: calc(var(--header-h) + 48px) 0 48px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-500));
  color: var(--white);
  text-align: center;
}
.page-header h1 { color: var(--white); font-size: 2.25rem; margin-bottom: 8px; }
.page-header p { color: var(--blue-100); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.content-section { padding: 60px 0; }
.content-section h2 { margin-top: 2rem; }
.content-section h2:first-child { margin-top: 0; }

.form-section { background: var(--gray-50); padding: 60px 0; }
.form-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 40px;
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--gray-700); }
.form-group label .required { color: #dc2626; margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(42,107,160,0.1);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-group { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-group input[type="checkbox"] { width: auto; margin-top: 4px; }
.checkbox-group label { font-weight: 400; font-size: 0.875rem; margin: 0; }
.form-submit { margin-top: 8px; }
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success .icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--gray-600); }

.construction-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.construction-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  transition: all var(--transition);
}
.construction-item:hover { box-shadow: var(--shadow-md); }
.construction-item .icon { font-size: 2rem; margin-bottom: 12px; }

.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover { box-shadow: var(--shadow-md); }
.project-card-img {
  height: 200px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.9rem;
}
.project-card-body { padding: 20px; }
.project-card-body h3 { font-size: 1.125rem; margin-bottom: 6px; }
.project-card-body .meta { font-size: 0.85rem; color: var(--gray-600); margin-bottom: 10px; }
.project-card-body p { font-size: 0.9rem; color: var(--gray-600); }
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.project-tags span {
  background: var(--blue-50);
  color: var(--blue-500);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.location-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.location-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  font-weight: 500;
  transition: all var(--transition);
}
.location-item:hover { border-color: var(--blue-300); background: var(--blue-50); }
.location-item .state { font-size: 0.8rem; color: var(--gray-500); font-weight: 400; }

.cta-banner {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: var(--blue-100); margin-bottom: 24px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-banner .btn-primary { background: var(--orange-500); border-color: var(--orange-500); }
.cta-banner .btn-primary:hover { background: var(--orange-600); }

.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
}
.testimonial-card .text { font-style: italic; color: var(--gray-700); margin-bottom: 16px; font-size: 0.95rem; }
.testimonial-card .author { font-weight: 600; font-size: 0.9rem; }
.testimonial-card .role { font-size: 0.8rem; color: var(--gray-500); }

.footer {
  background: var(--blue-900);
  color: var(--blue-200);
  padding: 60px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer h3, .footer h4 { color: var(--white); margin-bottom: 16px; font-size: 1rem; }
.footer p { font-size: 0.9rem; line-height: 1.7; }
.footer a { color: var(--blue-200); font-size: 0.9rem; }
.footer a:hover { color: var(--white); }
.footer-links li { margin-bottom: 10px; }
.footer-contact li { margin-bottom: 12px; display: flex; gap: 10px; font-size: 0.9rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  margin-top: 48px;
  font-size: 0.85rem;
  text-align: center;
}

.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-bar select, .filter-bar input {
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--white);
}

.compliance-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compliance-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
}
.compliance-item .badge { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; flex-shrink: 0; }

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  padding: 18px 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  transition: background var(--transition);
  user-select: none;
}
.faq-question:hover { background: var(--gray-50); }
.faq-question .arrow { transition: transform var(--transition); font-size: 0.85rem; }
.faq-question.open .arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 20px;
  background: var(--gray-50);
  font-size: 0.95rem;
  color: var(--gray-600);
}
.faq-answer.open { max-height: 500px; padding: 16px 20px; }

.about-values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { text-align: center; padding: 24px; }
.value-card .icon { font-size: 2rem; margin-bottom: 12px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h3 { margin-bottom: 20px; }
.contact-info-item { display: flex; gap: 14px; margin-bottom: 20px; }
.contact-info-item .icon { font-size: 1.25rem; color: var(--blue-500); flex-shrink: 0; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { text-align: center; }
.team-card .avatar {
  width: 100px; height: 100px; border-radius: 50%;
  background: var(--gray-200); margin: 0 auto 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--gray-500);
}

.policy-content { max-width: 800px; margin: 0 auto; }
.policy-content h2 { margin-top: 2rem; font-size: 1.5rem; }
.policy-content h3 { margin-top: 1.5rem; font-size: 1.2rem; }
.policy-content p, .policy-content li { margin-bottom: 0.75rem; color: var(--gray-700); }
.policy-content ul { list-style: disc; padding-left: 24px; margin-bottom: 1rem; }
.policy-content ol { padding-left: 24px; margin-bottom: 1rem; }

.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--blue-200);
  justify-content: center;
  margin-bottom: 8px;
}
.breadcrumb a { color: var(--blue-200); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: var(--blue-100); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .workers-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-values { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.625rem; }
  .section { padding: 48px 0; }
  .hero { padding: calc(var(--header-h) + 40px) 0 48px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-buttons { flex-direction: column; }
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: fixed; top: var(--header-h); left: 0; right: 0; background: var(--white); padding: 20px 24px; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-lg); gap: 16px; z-index: 999; }
  .mobile-toggle { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .services-grid, .construction-grid, .project-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .workers-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .compliance-list { grid-template-columns: 1fr; }
  .location-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .trust-strip .container { gap: 16px; }
  .trust-item { min-width: 100px; }
  .trust-item .number { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .workers-grid { grid-template-columns: 1fr 1fr; }
  .location-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
}

.lang-hi { display: none; }
body.hindi .lang-en { display: none; }
body.hindi .lang-hi { display: inline; }

[data-lang-hi] { display: none; }
body.hindi [data-lang-en] { display: none; }
body.hindi [data-lang-hi] { display: inline; }