:root {
  --primary: #1B3A5C;
  --primary-light: #2C5282;
  --primary-dark: #0F2440;
  --accent: #D4943A;
  --accent-light: #E8B85A;
  --bg: #FFFFFF;
  --bg-alt: #F4F6F9;
  --bg-dark: #0F2440;
  --text-dark: #1A1A2E;
  --text-muted: #6B7280;
  --text-light: #FFFFFF;
  --border: #E2E6EC;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 68px;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar .logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
}

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

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta {
  background: var(--accent);
  color: var(--text-light) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.85rem;
  transition: background 0.2s;
}

.nav-cta:hover { background: var(--accent-light); color: var(--text-dark) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* Hero */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: var(--text-light);
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 32px;
  opacity: 0.9;
  line-height: 1.6;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--accent);
}

.btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--text-dark); }

.btn-outline {
  background: transparent;
  color: var(--text-light);
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--text-light); }

/* Section */
.section { padding: 72px 0; }

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

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

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 600px;
}

.section-dark .section-title { color: var(--text-light); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.6); }

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: transform 0.25s, box-shadow 0.25s;
}

.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.service-card .icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* About Strip */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-strip h2 { font-size: 1.8rem; color: var(--primary); margin-bottom: 16px; }

.about-strip p { color: var(--text-muted); margin-bottom: 16px; }

.about-strip .visual {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: var(--text-light);
  text-align: center;
  font-size: 4rem;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Credentials Strip */
.credentials {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 40px 0;
}

.cred-item {
  text-align: center;
}

.cred-item .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.cred-item .value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}

.section-dark .cred-item .label { color: rgba(255,255,255,0.5); }
.section-dark .cred-item .value { color: var(--text-light); }

/* CTA Strip */
.cta-strip {
  text-align: center;
  padding: 56px 0;
}

.cta-strip h2 { font-size: 1.8rem; margin-bottom: 12px; }

.cta-strip p { margin-bottom: 24px; max-width: 520px; margin-left: auto; margin-right: auto; opacity: 0.85; }

/* Page Hero */
.page-hero {
  padding: 120px 0 56px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--text-light);
  text-align: center;
}

.page-hero h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 8px; }

.page-hero p { opacity: 0.85; max-width: 560px; margin: 0 auto; }

/* Page Content */
.page-content { padding: 64px 0; }

.page-content h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 32px 0 12px;
}

.page-content h2:first-child { margin-top: 0; }

.page-content p { margin-bottom: 16px; color: var(--text-muted); line-height: 1.7; }

.page-content ul, .page-content ol { margin: 0 0 16px 24px; color: var(--text-muted); }

.page-content li { margin-bottom: 8px; line-height: 1.6; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 { font-size: 1.5rem; color: var(--primary); margin-bottom: 16px; }

.contact-info p { color: var(--text-muted); margin-bottom: 24px; }

.contact-detail { margin-bottom: 16px; }

.contact-detail strong { display: block; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 4px; }

.contact-detail span { font-size: 1rem; }

/* Footer */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer h4 {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer p { font-size: 0.88rem; line-height: 1.7; margin-bottom: 8px; }

.footer .abn { font-size: 0.82rem; opacity: 0.7; margin-top: 8px; }

.footer-links { list-style: none; }

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* Mobile */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
    box-shadow: var(--shadow);
  }

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

  .nav-links a.active::after { display: none; }

  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .services-grid { grid-template-columns: 1fr; }

  .about-strip { grid-template-columns: 1fr; gap: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

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

  .page-hero h1 { font-size: 1.8rem; }

  .section-title { font-size: 1.6rem; }

  .credentials { gap: 24px; }
}