:root {
  --primary: #0b1d3a;
  --primary-light: #163666;
  --accent: #d9480f;
  --accent-hover: #e05615;
  --bg-color: #f8fafc;
  --text-main: #2d3748;
  --text-light: #4a5568;
  --white: #ffffff;
  --danger-bg: #fff3cd;
  --danger-border: #856404;
  --border-color: #e2e8f0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
  font-size: 16px;
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background-color: var(--white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.header-call {
  font-size: 1.125rem;
}

/* Nav */
nav {
  background-color: var(--primary);
}

.nav-list {
  display: flex;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-list li a {
  color: var(--white);
  padding: 12px 16px;
  display: block;
  font-size: 0.95rem;
  white-space: nowrap;
}

.nav-list li a:hover {
  background-color: var(--primary-light);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: var(--primary);
  color: white;
  border: none;
  padding: 15px;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--accent);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: var(--accent-hover);
  text-decoration: none;
  color: var(--white);
}

.btn-large {
  font-size: 1.25rem;
  padding: 16px 32px;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--primary);
  margin-bottom: 15px;
  line-height: 1.3;
}

h1 { font-size: 2.25rem; margin-top: 30px; }
h2 { font-size: 1.75rem; margin-top: 40px; padding-bottom: 8px; border-bottom: 2px solid var(--primary); }
h3 { font-size: 1.25rem; margin-top: 25px; }

p { margin-bottom: 15px; color: var(--text-light); }
ul { margin-bottom: 20px; padding-left: 20px; color: var(--text-light); }
li { margin-bottom: 8px; }

/* Components */
.hero {
  background-color: var(--primary);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  border: none;
  margin-top: 0;
}

.hero p {
  color: #e2e8f0;
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 30px auto;
}

.safety-notice {
  background-color: var(--danger-bg);
  border-left: 4px solid var(--accent);
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 0 4px 4px 0;
}

.safety-notice strong {
  color: var(--danger-border);
  display: block;
  margin-bottom: 5px;
}

.safety-notice p {
  color: var(--text-main);
  margin-bottom: 0;
}

.cta-box {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--primary);
  padding: 30px;
  text-align: center;
  border-radius: 4px;
  margin: 40px 0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.cta-box h3 {
  margin-top: 0;
}

.cta-box p {
  margin-bottom: 20px;
}

.breadcrumbs {
  padding: 15px 0;
  font-size: 0.9rem;
}

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

/* FAQ */
.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 15px;
  background-color: var(--white);
}

.faq-item summary {
  padding: 15px 20px;
  font-weight: 600;
  cursor: pointer;
  color: var(--primary);
}

.faq-item p {
  padding: 0 20px 15px 20px;
  margin-bottom: 0;
}

/* Service Grid */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 4px;
}

.service-card h3 {
  margin-top: 0;
  font-size: 1.15rem;
}

/* Mobile Sticky Call Bar */
.mobile-call-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--accent);
  text-align: center;
  padding: 15px;
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.mobile-call-bar a {
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}

.mobile-call-bar a:hover {
  text-decoration: none;
}

/* Footer */
footer {
  background-color: var(--primary);
  color: #a0aec0;
  padding: 40px 0 60px 0;
  margin-top: 60px;
}

footer h3 {
  color: var(--white);
  border: none;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

footer a {
  color: #a0aec0;
}

footer a:hover {
  color: var(--white);
}

footer ul {
  list-style: none;
  padding: 0;
}

.footer-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-list {
    display: none;
    flex-direction: column;
  }
  .nav-list.active {
    display: flex;
  }
  .nav-list li a {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .mobile-call-bar {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  body {
    padding-bottom: 50px;
  }
}