:root {
  --navy: #0b1120;
  --navy-soft: #0f172a;
  --gold: #c9a962;
  --gold-light: #e0c78a;
  --white: #ffffff;
  --slate: #94a3b8;
  --card: #111827;
  --border: rgba(201, 169, 98, 0.2);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  background-color: var(--navy);
  color: var(--white);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--white);
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 40px;
  width: auto;
  display: block;
}

.logo span {
  color: var(--gold);
}

nav a {
  color: var(--slate);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--gold);
}

.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  max-width: 850px;
  margin: 0 auto 1.5rem;
}

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

.hero p {
  font-size: 1.25rem;
  color: var(--slate);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  padding: 0.9rem 2.5rem;
  border-radius: 40px;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  margin-left: 1rem;
}

.btn-outline:hover {
  background: rgba(201, 169, 98, 0.1);
}

.services {
  padding: 4rem 0;
}

.section-label {
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.service-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
  color: var(--gold-light);
}

.service-card p {
  color: var(--slate);
  font-size: 0.95rem;
}

.products {
  padding: 4rem 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.product-card {
  background: var(--card);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
}

.product-card h4 {
  color: var(--white);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.product-card p {
  color: var(--slate);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.product-link {
  color: var(--gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonials {
  padding: 4rem 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.testimonial {
  background: var(--card);
  border-radius: 16px;
  padding: 2rem;
  border-left: 3px solid var(--gold);
}

.testimonial p {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial .client {
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 600;
}

.careers {
  padding: 4rem 0;
  text-align: center;
}

.careers-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  max-width: 700px;
  margin: 2rem auto 0;
}

.careers-card h3 {
  font-size: 1.75rem;
  color: var(--gold-light);
  margin-bottom: 0.75rem;
}

.careers-card p {
  color: var(--slate);
  font-size: 1.1rem;
  line-height: 1.7;
}

.careers-card a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 600;
}

.careers-card a:hover {
  text-decoration: underline;
}

.cta {
  padding: 5rem 0;
  text-align: center;
  background: linear-gradient(180deg, var(--navy) 0%, #0d1526 100%);
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta p {
  color: var(--slate);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* White lower sections */
.light-section {
  background: #ffffff;
  color: #0b1120;
}

.light-section .section-label,
.light-section .section-title,
.light-section h2,
.light-section h3,
.light-section p {
  color: #0b1120;
}

.light-section a {
  color: #b8860b;
}

.light-section .btn {
  background: #0b1120;
  color: #ffffff;
}

.light-section .btn-outline {
  background: transparent;
  border: 1px solid #0b1120;
  color: #0b1120;
}

.light-section .btn-outline:hover {
  background: rgba(0, 0, 0, 0.05);
}

.light-section .careers-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: #0b1120;
}

.footer {
  padding: 2rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  color: var(--slate);
  font-size: 0.85rem;
}

.footer a {
  color: var(--gold);
  text-decoration: none;
}

.footer .trademark {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--slate);
  opacity: 0.8;
}

.footer.light-section {
  background: #ffffff;
  color: #0b1120;
  border-top: 1px solid #e2e8f0;
}

.footer.light-section a {
  color: #b8860b;
}

.footer.light-section .trademark {
  color: #4b5563;
}

/* Modal styles */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 20, 0.85);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal {
  background: var(--navy-soft);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--slate);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--gold);
}

.modal h2 {
  font-size: 1.75rem;
  color: var(--gold-light);
  margin-bottom: 0.5rem;
}

.modal-sub {
  color: var(--slate);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.contact-form .form-group {
  margin-bottom: 1.25rem;
}

.contact-form label {
  display: block;
  color: var(--white);
  font-weight: 500;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 0.8rem 1rem;
  color: var(--white);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s, background 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.08);
}

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

.submit-btn {
  width: 100%;
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  margin-top: 0.5rem;
}

.form-status {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--gold-light);
  text-align: center;
  min-height: 1.5em;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

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

  header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 0;
  }

  .logo {
    margin-bottom: 0.75rem;
  }

  .logo img {
    height: 32px;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 0.5rem;
    width: 100%;
  }

  nav a {
    margin-left: 0;
    margin-right: 0.75rem;
    font-size: 0.9rem;
    white-space: nowrap;
  }

  .btn {
    display: block;
    width: 100%;
    text-align: center;
    margin: 0.5rem 0;
  }

  .btn-outline {
    margin-left: 0;
  }

  .services-grid,
  .products-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .section {
    padding: 3rem 0;
  }

  .careers-card {
    padding: 1.5rem;
  }

  .modal {
    padding: 1.5rem;
  }

  .back-to-top {
    width: 40px;
    height: 40px;
    bottom: 1rem;
    right: 1rem;
    font-size: 1.2rem;
  }
}