:root {
  --primary-dark: #1e293b; /* Deep navy/charcoal */
  --accent-color: #f97316; /* Warm orange */
  --accent-hover: #ea580c;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-main: #334155;
  --text-light: #64748b;
  --text-white: #f8fafc;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius: 0.5rem;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
  padding-bottom: 60px; /* Space for mobile sticky CTA */
}

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

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
  color: var(--primary-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.5rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--text-main); }

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

.section {
  padding: 4rem 0;
}

.section-light { background-color: var(--bg-white); }
.section-dark { background-color: var(--primary-dark); color: var(--text-white); }
.section-dark h2, .section-dark p { color: var(--text-white); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--accent-color);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
  text-align: center;
  transition: background-color 0.2s, transform 0.1s;
  box-shadow: var(--shadow-sm);
  border: none;
  cursor: pointer;
}
.btn:hover { background-color: var(--accent-hover); transform: translateY(-1px); }
.btn-large { padding: 1rem 2rem; font-size: 1.125rem; }
.btn-outline { background-color: transparent; border: 2px solid var(--accent-color); color: var(--accent-color); }
.btn-outline:hover { background-color: var(--accent-color); color: #fff; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-dark);
}

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

/* Navigation */
.nav-menu {
  display: none;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
  }
  .nav-link {
    font-weight: 500;
    transition: color 0.2s;
  }
  .nav-link:hover { color: var(--accent-color); }
  
  /* Dropdown */
  .dropdown { position: relative; }
  .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-white);
    min-width: 200px;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius);
    padding: 0.5rem 0;
    z-index: 1001;
  }
  .dropdown:hover .dropdown-menu { display: block; }
  .dropdown-item {
    display: block;
    padding: 0.5rem 1rem;
    transition: background-color 0.2s;
  }
  .dropdown-item:hover { background-color: var(--bg-light); color: var(--accent-color); }
}

.hamburger {
  display: block;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--primary-dark);
}

@media (min-width: 992px) {
  .hamburger { display: none; }
}

/* Mobile Nav Overlay */
.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-md);
  padding: 1rem;
  flex-direction: column;
  gap: 1rem;
}
.mobile-nav.active { display: flex; }

/* Hero Section */
.hero {
  background-color: var(--primary-dark);
  color: var(--text-white);
  padding: 6rem 0;
  text-align: center;
}
.hero h1 { color: var(--text-white); margin-bottom: 1.5rem; }
.hero .eyebrow {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-color);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.hero-content { max-width: 800px; margin: 0 auto; }
.hero-text { font-size: 1.25rem; margin-bottom: 2rem; color: #cbd5e1; }

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
}
.service-card {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.service-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }

/* Call Box */
.call-box {
  background-color: var(--bg-light);
  border: 2px solid var(--accent-color);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
}
.call-box h3 { margin-bottom: 1rem; }

/* Checklist */
.checklist {
  list-style: none;
  padding: 0;
}
.checklist li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
}
.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* Footer */
.site-footer {
  background-color: var(--primary-dark);
  color: #cbd5e1;
  padding: 4rem 0 2rem;
}
.site-footer h4 {
  color: var(--text-white);
  margin-bottom: 1rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
}
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a:hover { color: var(--accent-color); }
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #334155;
  font-size: 0.875rem;
}

/* Mobile Sticky Call Bar */
.mobile-call-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--accent-color);
  color: #fff;
  padding: 1rem;
  text-align: center;
  font-weight: 700;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}
@media (min-width: 768px) {
  .mobile-call-bar { display: none; }
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0;
  background-color: var(--bg-light);
  font-size: 0.875rem;
}
.breadcrumbs a { color: var(--accent-color); }
.breadcrumbs span { margin: 0 0.5rem; color: var(--text-light); }

/* Common content styles */
.content-area h2 { margin-top: 2rem; }
.content-area p { margin-bottom: 1.25rem; }