:root {
  --primary: #0F2A4A; /* Deep Navy */
  --secondary: #1F6CB0; /* Water Blue */
  --accent: #FF5A1F; /* Bright Accent for CTAs */
  --accent-hover: #E04812;
  --bg-light: #F8F9FA;
  --text-dark: #2C3E50;
  --text-light: #6C7A89;
  --white: #FFFFFF;
  --border-color: #E2E8F0;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
}

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

html {
  font-family: var(--font-body);
  color: var(--text-dark);
  line-height: 1.6;
  scroll-behavior: smooth;
}

body {
  background-color: var(--white);
  padding-bottom: 70px; /* Space for mobile sticky CTA */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary);
}

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

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

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

/* Typography */
h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 600; }
p { margin-bottom: 1.5rem; font-size: 1.1rem; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Nav */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-top {
  background: var(--primary);
  color: var(--white);
  padding: 0.5rem 0;
  font-size: 0.9rem;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top a {
  color: var(--white);
  font-weight: 600;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  min-width: 280px;
  border-radius: 4px;
  padding: 0.5rem 0;
  z-index: 10;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  display: block;
}

.dropdown-menu li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-dark);
}

.dropdown-menu li a:hover {
  background: var(--bg-light);
  color: var(--secondary);
}

.btn, .btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  transition: background 0.3s ease;
  border: none;
  cursor: pointer;
}

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

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

.btn-secondary:hover {
  background: var(--secondary);
}

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

@media (max-width: 1024px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 1rem 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }

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

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

  .nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    background: var(--bg-light);
    display: none;
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }

  .mobile-menu-btn {
    display: block;
  }
}

/* Hero Section */
.hero {
  background-color: var(--primary);
  color: var(--white);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(135deg, rgba(15,42,74,0.95) 0%, rgba(31,108,176,0.8) 100%);
  z-index: 1;
}

.hero-img-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.badge {
  background: rgba(255,255,255,0.1);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
}

@media (min-width: 992px) {
  .hero .container {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

/* Breadcrumbs */
.breadcrumbs {
  background: var(--bg-light);
  padding: 1rem 0;
  font-size: 0.9rem;
}

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

.breadcrumbs span {
  color: var(--text-light);
  margin: 0 0.5rem;
}

/* Main Content */
main {
  padding: 4rem 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 992px) {
  .content-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.sidebar {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 8px;
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar h3 {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  border-bottom: 2px solid var(--secondary);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.sidebar ul {
  list-style: none;
}

.sidebar ul li {
  margin-bottom: 1rem;
}

.sidebar ul li a {
  display: block;
  padding: 0.75rem 1rem;
  background: var(--white);
  border-radius: 4px;
  border-left: 4px solid transparent;
  font-weight: 500;
}

.sidebar ul li a:hover,
.sidebar ul li a.active {
  border-left-color: var(--secondary);
  background: #f0f5fa;
}

.call-box {
  background: var(--primary);
  color: var(--white);
  padding: 2rem;
  border-radius: 8px;
  text-align: center;
  margin-top: 2rem;
}

.call-box h4 {
  color: var(--white);
}

.call-box .btn {
  width: 100%;
  margin-top: 1rem;
}

/* Sections */
section {
  padding: 4rem 0;
}

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

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

.section-primary h2 {
  color: var(--white);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}

.card-img {
  height: 200px;
  object-fit: cover;
  width: 100%;
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card-content p {
  flex-grow: 1;
  font-size: 1rem;
}

.card-content .btn {
  align-self: flex-start;
  margin-top: 1.5rem;
}

/* FAQ */
.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-q {
  padding: 1.25rem;
  background: var(--bg-light);
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-q::after {
  content: '+';
  font-size: 1.5rem;
  line-height: 1;
}

.faq-item.active .faq-q::after {
  content: '-';
}

.faq-a {
  padding: 0 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-a {
  padding: 1.25rem;
  max-height: 1000px;
}

/* Sticky Mobile CTA */
.mobile-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--accent);
  padding: 1rem;
  text-align: center;
  z-index: 1000;
  display: none;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.mobile-cta a {
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
}

@media (max-width: 767px) {
  .mobile-cta {
    display: block;
  }
}

/* Footer */
footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 4rem 0 2rem;
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: rgba(255,255,255,0.8);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Service Areas Grid */
.areas-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .areas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.area-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 8px;
  border-left: 4px solid var(--secondary);
}

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

/* Utility classes */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.pt-2 { padding-top: 2rem; }
.pb-2 { padding-bottom: 2rem; }