:root {
  --primary: #0a2540;
  --primary-light: #1a3f6a;
  --accent: #d4652a;
  --accent-light: #e8824a;
  --bg: #f8f9fb;
  --bg-alt: #ffffff;
  --text-dark: #1a1a2e;
  --text-muted: #5a6a7a;
  --text-light: #f0f4f8;
  --border: #dce1e8;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 37, 64, 0.12);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1140px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

img {
  max-width: 100%;
}

.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-alt);
  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);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar .logo:hover {
  color: var(--primary);
}

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

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

.nav-links .btn {
  padding: 8px 20px;
  font-size: 0.9rem;
}

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

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* ─── Buttons ─── */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s;
  text-align: center;
  font-family: var(--font);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

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

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-white-outline {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

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

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

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

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

/* ─── Page Hero (inner pages) ─── */
.page-hero {
  padding: 130px 0 50px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  margin-top: 8px;
}

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

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

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

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

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

.service-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.service-card .icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: block;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.95rem;
  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: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

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

.about-strip .visual {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 6rem;
  opacity: 0.15;
  color: var(--primary);
  user-select: none;
}

/* ─── Credentials Strip ─── */
.credentials {
  background: var(--primary);
  color: #fff;
  padding: 40px 0;
}

.credentials .container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
}

.credentials span {
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.9;
}

.credentials strong {
  font-weight: 700;
  opacity: 1;
}

/* ─── CTA Strip ─── */
.cta-strip {
  background: var(--accent);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}

.cta-strip h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-strip p {
  opacity: 0.9;
  margin-bottom: 24px;
}

.cta-strip .btn-white-outline {
  margin-top: 4px;
}

/* ─── Content Pages ─── */
.content-section {
  padding: 64px 0;
}

.content-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 40px;
  margin-bottom: 12px;
}

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

.content-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 28px;
  margin-bottom: 8px;
}

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

.content-section ul {
  padding-left: 24px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.content-section ul li {
  margin-bottom: 6px;
}

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

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-info .label {
  font-weight: 600;
  color: var(--primary);
  min-width: 80px;
}

.contact-form label {
  display: block;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
  margin-bottom: 16px;
  transition: border-color 0.2s;
  background: var(--bg);
}

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

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

/* ─── Footer ─── */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer ul {
  list-style: none;
}

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

.footer ul a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.footer ul a:hover {
  color: #fff;
}

.footer .abn {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 4px;
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.85rem;
  opacity: 0.65;
}

/* ─── 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-alt);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

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

  .hero {
    padding: 120px 0 60px;
  }

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

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

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

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

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .credentials .container {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
  }

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

  .btn {
    width: 100%;
    max-width: 320px;
  }
}