:root {
  --primary: #1a3c5e;
  --primary-light: #2a5c8a;
  --primary-dark: #0f2a42;
  --accent: #c8953a;
  --accent-light: #e0b05e;
  --accent-dark: #a67a2e;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --text-dark: #1a1a2e;
  --text-muted: #6c757d;
  --text-light: #f8f9fa;
  --border: #dee2e6;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --nav-height: 72px;
  --max-width: 1200px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  line-height: 1.6;
  background: var(--bg-white);
}

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

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  display: flex;
  align-items: center;
}

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

.navbar .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s;
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

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

.nav-links .btn { margin-left: 8px; }

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

.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
  border: 2px solid transparent;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-white);
  border-color: var(--accent);
}

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

.btn-outline {
  background: transparent;
  color: var(--bg-white);
  border-color: var(--bg-white);
}

.btn-outline:hover {
  background: var(--bg-white);
  color: var(--primary);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--bg-white);
}

/* 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: 2.75rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
}

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

.hero p {
  font-size: 1.15rem;
  max-width: 680px;
  margin: 0 auto 36px;
  opacity: 0.9;
  line-height: 1.7;
}

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

/* Section */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

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

/* Page Hero Band */
.page-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--text-light);
  text-align: center;
}

.page-hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
}

.page-hero p {
  max-width: 600px;
  margin: 12px auto 0;
  opacity: 0.85;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid var(--border);
}

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

.service-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

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

.about-strip h2 {
  font-size: 1.75rem;
  color: var(--primary);
  margin-bottom: 16px;
}

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

.about-strip .visual {
  font-size: 8rem;
  text-align: center;
  opacity: 0.15;
  line-height: 1;
  user-select: none;
}

/* Credentials */
.credentials {
  background: var(--primary);
  color: var(--text-light);
  padding: 48px 0;
  text-align: center;
}

.credentials-grid {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

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

.cred-item .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.7;
  margin-bottom: 4px;
}

.cred-item .value {
  font-size: 1.15rem;
  font-weight: 700;
}

/* CTA Strip */
.cta-strip {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: var(--bg-white);
  text-align: center;
  padding: 64px 0;
}

.cta-strip h2 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.cta-strip p {
  max-width: 560px;
  margin: 0 auto 28px;
  opacity: 0.9;
}

/* Content Page */
.content-section {
  padding: 60px 0;
}

.content-section h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin: 40px 0 16px;
}

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

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

.content-section li { margin-bottom: 8px; }

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

.contact-info h3 {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.contact-info p {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info .detail {
  color: var(--text-muted);
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  margin-bottom: 18px;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea { min-height: 140px; resize: vertical; }

.contact-form .btn { width: 100%; }

/* Footer */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer h4 {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer p, .footer a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

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

.footer ul { list-style: none; }

.footer ul li { margin-bottom: 8px; }

.footer .abn {
  font-size: 0.82rem;
  opacity: 0.7;
  margin-top: 12px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  margin-top: 40px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

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

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

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

  .nav-links .btn { margin-left: 0; }

  .hero { padding: 110px 0 60px; }
  .hero h1 { font-size: 1.75rem; }
  .hero p { font-size: 1rem; }

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

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

  .about-strip .visual { display: none; }

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

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

  .credentials-grid { gap: 24px; }

  .section-title { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }

  .hero .btn-group { flex-direction: column; align-items: center; }
}
