:root {
  --primary: #004a7f;
  --primary-light: #e6f2fb;
  --accent: #f5a623;
  --dark: #1f2933;
  --muted: #6b7280;
  --bg: #f9fafb;
  --white: #ffffff;
  --radius: 8px;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.header {
  background: var(--white);
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
  flex-wrap: nowrap;
  min-width: 0;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 1;
  max-width: 60%;
}

.logo-img {
  height: 60px;
  width: auto;
  max-height: 70px;
}

.logo-text {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  padding: 0.4rem 0;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: white;
  border: none;
}

.btn-primary:hover {
  background: #00355c;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
}

/* ────────────────────────────────────────────────
   MOBILE MENU & HEADER FIX
───────────────────────────────────────────────── */

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

@media (max-width: 900px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }

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

  .nav-links a {
    padding: 0.8rem 0;
    font-size: 1.05rem;
  }

  .nav-cta {
    display: none; /* hide desktop CTA on mobile */
  }

  .nav-cta-mobile {
    display: inline-flex;
    margin: 1rem 0 0;
    width: 100%;
    justify-content: center;
  }

  /* hamburger to X */
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .logo-img {
    height: 48px;
    max-height: 55px;
  }

  .logo-text {
    font-size: 1rem;
  }

  .container {
    padding: 0 1rem;
  }

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

  .cards-grid,
  .steps,
  .testimonials-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

/* ────────────────────────────────────────────────
   Your original section styles (unchanged)
───────────────────────────────────────────────── */

.hero {
  padding: 3.5rem 0 3rem;
  background: linear-gradient(135deg, var(--white), var(--primary-light));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

/* ... rest of your original styles continue here ... */
/* Paste the remaining classes from your working styles.css (section, card, step, testimonial, etc.) */

footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid #e5e7eb;
}