:root {
  --primary: #0f2b4a;
  --primary-light: #1a4270;
  --accent: #1b9e8e;
  --accent-light: #e8faf7;
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --bg-dark: #0a1a2e;
  --text-dark: #121926;
  --text-medium: #475569;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(15, 43, 74, 0.08);
  --radius: 12px;
  --nav-height: 72px;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

*, *::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: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-light); }

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

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}
.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: -.02em;
}
.navbar .logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-links a {
  padding: 8px 18px; border-radius: 8px;
  font-size: .95rem; font-weight: 500; color: var(--text-medium);
  transition: background .2s, color .2s;
}
.nav-links a:hover,
.nav-links a.active { background: var(--accent-light); color: var(--accent); }
.nav-links .btn-nav {
  background: var(--primary); color: #fff !important;
  padding: 10px 24px; border-radius: 8px; font-weight: 600;
  margin-left: 8px;
}
.nav-links .btn-nav:hover { background: var(--primary-light); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 26px; height: 2.5px;
  background: var(--primary); border-radius: 2px;
  transition: transform .3s;
}

/* Hero */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(27,158,142,.25) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; max-width: 700px; margin-bottom: 20px; letter-spacing: -.03em; }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,.8); max-width: 580px; margin-bottom: 36px; line-height: 1.7; }
.hero .btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-inner {
  padding: 64px 0 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
}
.hero-inner h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 8px; }
.hero-inner p { color: rgba(255,255,255,.75); font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-block; padding: 14px 32px; border-radius: 10px;
  font-weight: 600; font-size: 1rem; border: 2px solid transparent;
  cursor: pointer; transition: all .25s; text-align: center;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #158a7a; border-color: #158a7a; color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; color: #fff; }

/* Sections */
section { padding: 80px 0; }
.section-label {
  display: inline-block; font-size: .85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent); margin-bottom: 8px;
}
.section-title {
  font-size: 2rem; font-weight: 700; color: var(--primary);
  margin-bottom: 16px; letter-spacing: -.02em;
}
.section-sub { color: var(--text-medium); max-width: 600px; font-size: 1.05rem; }

/* Services grid */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 28px; transition: box-shadow .3s, transform .3s;
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.service-card .icon { font-size: 2.4rem; margin-bottom: 16px; display: block; }
.service-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p { font-size: .95rem; color: var(--text-medium); line-height: 1.7; }

/* About strip (home) */
.about-strip {
  background: var(--bg-alt);
}
.about-strip .container {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-strip h2 { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; letter-spacing: -.02em; }
.about-strip p { color: var(--text-medium); margin-bottom: 16px; line-height: 1.7; }
.about-strip .about-visual {
  background: linear-gradient(135deg, var(--accent-light), #d1f2eb);
  border-radius: var(--radius); padding: 48px; text-align: center; font-size: 4rem;
}

/* Credentials strip */
.credentials {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.credentials .container {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
}
.credentials .item { text-align: center; }
.credentials .item .label { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-light); margin-bottom: 4px; }
.credentials .item .value { font-size: 1.05rem; font-weight: 600; color: var(--text-dark); }

/* CTA strip */
.cta-strip {
  background: var(--primary); color: #fff; text-align: center;
  padding: 64px 0;
}
.cta-strip h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.cta-strip p { color: rgba(255,255,255,.75); margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-strip .btn-primary { background: var(--accent); border-color: var(--accent); }
.cta-strip .btn-primary:hover { background: #158a7a; }

/* Footer */
.footer {
  background: var(--bg-dark); color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.footer .container { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer p, .footer li { font-size: .9rem; line-height: 1.8; }
.footer ul { list-style: none; }
.footer ul a { color: rgba(255,255,255,.6); }
.footer ul a:hover { color: var(--accent); }
.footer .brand { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; display: block; }
.footer .brand span { color: var(--accent); }
.footer .abn { font-size: .85rem; color: rgba(255,255,255,.5); margin-top: 8px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  margin-top: 40px; padding: 20px 0;
  text-align: center; font-size: .85rem; color: rgba(255,255,255,.45);
}

/* Page content */
.page-content { padding: 60px 0; }
.page-content .container { max-width: 800px; }
.page-content h2 { font-size: 1.6rem; font-weight: 700; color: var(--primary); margin: 40px 0 16px; }
.page-content h2:first-child { margin-top: 0; }
.page-content h3 { font-size: 1.2rem; font-weight: 600; color: var(--primary); margin: 28px 0 12px; }
.page-content p { margin-bottom: 16px; color: var(--text-medium); line-height: 1.8; }
.page-content ul { margin: 0 0 20px 24px; color: var(--text-medium); line-height: 1.8; }
.page-content ul li { margin-bottom: 8px; }

/* Mobile */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0;
    background: rgba(255,255,255,.98); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px; gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links .btn-nav { margin-left: 0; text-align: center; }

  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .hero-inner { padding: 48px 0 32px; }
  .hero-inner h1 { font-size: 1.6rem; }

  .services-grid { grid-template-columns: 1fr; }
  .about-strip .container { grid-template-columns: 1fr; gap: 32px; }

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

  section { padding: 48px 0; }
  .section-title { font-size: 1.6rem; }

  .cta-strip h2 { font-size: 1.4rem; }

  .credentials .container { gap: 24px; }
}

@media (max-width: 480px) {
  .hero .btn-group { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
}