/* ROOT VARIABLES */
:root {
  --color-primary: #0A192F; /* Deep Navy */
  --color-secondary: #0077B6; /* Water Blue */
  --color-accent: #00B4D8; /* Bright Blue */
  --color-white: #FFFFFF;
  --color-off-white: #F8F9FA;
  --color-gray-light: #E9ECEF;
  --color-gray: #6C757D;
  --color-gray-dark: #343A40;
  
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --transition: all 0.3s ease;
}

/* RESET & BASE */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--color-gray-dark);
  line-height: 1.6;
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: 1rem; font-size: 1.125rem; }
a { color: var(--color-secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary); }
img { max-width: 100%; height: auto; display: block; }

/* LAYOUT & UTILITIES */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 5rem 0; }
.bg-light { background-color: var(--color-off-white); }
.bg-primary { background-color: var(--color-primary); color: var(--color-white); }
.bg-primary h1, .bg-primary h2, .bg-primary h3, .bg-primary p { color: var(--color-white); }
.text-center { text-align: center; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-main);
}
.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}
.btn-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* HEADER */
.header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-top {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.5rem 0;
  font-size: 0.875rem;
}
.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-top a {
  color: var(--color-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(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logo-icon {
  color: var(--color-secondary);
}
.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}
.nav-link {
  font-weight: 500;
  color: var(--color-primary);
  padding: 0.5rem 0;
}
.nav-item-dropdown {
  position: relative;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-md);
  min-width: 280px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 1rem 0;
  z-index: 1001;
}
.nav-item-dropdown:hover .dropdown-menu,
.nav-item-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(10px);
}
.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-gray-dark);
  font-weight: 500;
}
.dropdown-item:hover {
  background-color: var(--color-off-white);
  color: var(--color-secondary);
}
.nav-cta {
  display: flex;
  align-items: center;
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
}

/* HERO SECTION */
.hero {
  position: relative;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 8rem 0;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}
.hero .btn-primary {
  font-size: 1.125rem;
  padding: 1.25rem 2.5rem;
}

/* SERVICES OVERVIEW */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border-bottom: 4px solid var(--color-secondary);
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* CONTENT LAYOUTS */
.split-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4rem;
}
.split-content {
  flex: 1;
  min-width: 300px;
}
.split-image {
  flex: 1;
  min-width: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* FOOTER */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer h4 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: var(--color-gray-light);
  opacity: 0.8;
}
.footer-links a:hover {
  opacity: 1;
  color: var(--color-white);
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--color-gray-light);
  font-size: 0.875rem;
}

/* MOBILE STICKY CTA */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-secondary);
  color: var(--color-white);
  text-align: center;
  padding: 1rem;
  font-weight: 700;
  font-size: 1.125rem;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

/* MEDIA QUERIES */
@media (max-width: 992px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
  }
  .nav-menu.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-cta { display: none; }
  .mobile-cta { display: block; }
  body { padding-bottom: 60px; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    padding: 0.5rem 0 0 1rem;
    min-width: auto;
    border-left: 2px solid var(--color-gray-light);
    margin-left: 1rem;
    transform: none;
    display: none;
  }
  .nav-item-dropdown.active .dropdown-menu {
    display: block;
  }
}

@media (max-width: 768px) {
  .hero { padding: 4rem 0; }
  .section { padding: 3rem 0; }
  .split-section { gap: 2rem; }
}

.warning-signs {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.warning-signs li {
  background: var(--color-white);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.service-areas-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}
.area-card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.area-card h3 {
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.breadcrumbs {
  background-color: var(--color-off-white);
  padding: 1rem 0;
  font-size: 0.875rem;
}
.breadcrumbs a {
  color: var(--color-gray);
}
.breadcrumbs a:hover {
  color: var(--color-primary);
}
.breadcrumbs span {
  color: var(--color-secondary);
}

.contact-card {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  text-align: center;
  margin: 3rem auto;
  max-width: 600px;
}
.contact-card h2, .contact-card p {
  color: var(--color-white);
}
.contact-card .btn-primary {
  margin-top: 1.5rem;
  font-size: 1.25rem;
  background-color: var(--color-white);
  color: var(--color-primary);
}
.contact-card .btn-primary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.trust-banner {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: 2rem 0;
  text-align: center;
}
.trust-banner h2 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.split-image img { width: 100%; height: 100%; object-fit: cover; min-height: 300px; }