:root {
  --primary: #0f2b46;
  --primary-light: #1a3d5c;
  --accent: #2e9aa6;
  --accent-hover: #258089;
  --accent-light: #e6f5f6;
  --bg: #ffffff;
  --bg-alt: #f7f9fb;
  --bg-dark: #0a1f30;
  --text-dark: #1c2d3a;
  --text-medium: #4a5e6d;
  --text-light: #8a9baa;
  --border: #dce3ea;
  --border-light: #eef2f5;
  --shadow-sm: 0 1px 3px rgba(15, 43, 70, 0.08);
  --shadow-md: 0 4px 14px rgba(15, 43, 70, 0.1);
  --shadow-lg: 0 8px 30px rgba(15, 43, 70, 0.12);
  --radius: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  color: var(--text-dark);
}

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

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

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

ul {
  list-style: none;
}

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

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

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

.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.3px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-medium);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

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

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav-cta {
  display: inline-block;
  background: var(--accent) !important;
  color: #fff !important;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  color: #fff !important;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s;
  line-height: 1.4;
}

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

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

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

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

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

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

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1e4f6e 100%);
  color: #fff;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(46, 154, 166, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 560px;
  line-height: 1.7;
}

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

/* ── Stats ── */
.stats-strip {
  background: var(--bg);
  padding: 0 0 80px;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-medium);
  font-weight: 500;
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 60px 0 50px;
}

.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
}

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

.section-alt {
  background: var(--bg-alt);
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-medium);
  font-size: 1.05rem;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

/* ── Services Grid ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s;
}

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

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

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-medium);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Credentials Strip ── */
.credentials-strip {
  background: var(--primary);
  color: #fff;
  padding: 48px 0;
}

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

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

.credential-item .icon {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.credential-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
}

.credential-value {
  font-size: 1.1rem;
  font-weight: 600;
}

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

.about-preview h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.about-value {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.about-value .icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.about-value span {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dark);
}

.about-visual {
  background: linear-gradient(135deg, var(--accent-light) 0%, #d4eef0 100%);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 320px;
}

.about-visual .big-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.about-visual h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.about-visual p {
  color: var(--text-medium);
  font-size: 0.95rem;
}

/* ── CTA Strip ── */
.cta-strip {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  padding: 64px 0;
  text-align: center;
  color: #fff;
}

.cta-strip h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 12px;
}

.cta-strip p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  font-size: 1.1rem;
}

.cta-strip .btn-outline {
  border-color: #fff;
}

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

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

.content-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  margin-top: 36px;
}

.content-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  margin-top: 28px;
}

.content-section p {
  color: var(--text-medium);
  margin-bottom: 16px;
  line-height: 1.75;
}

.content-section ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.content-section ul li {
  color: var(--text-medium);
  margin-bottom: 8px;
  line-height: 1.6;
}

.content-narrow {
  max-width: 800px;
  margin: 0 auto;
}

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

.contact-info h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}

.contact-detail .icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.contact-detail span {
  font-size: 0.95rem;
  color: var(--text-medium);
}

.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-dark);
  background: var(--bg);
  transition: border-color 0.2s;
}

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

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

/* ── Team grid ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}

.team-card .avatar {
  font-size: 3rem;
  margin-bottom: 12px;
}

.team-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.team-card .role {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 12px;
}

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

/* ── Footer ── */
.footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-about p {
  margin-bottom: 12px;
}

.footer-about .abn-info {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.footer ul li a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-contact-item .icon {
  font-size: 1rem;
}

.footer-bottom {
  padding: 24px 0;
  margin-top: 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}

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

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

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

  .hero {
    padding: 60px 0;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-card {
    padding: 24px 20px;
  }

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

  .about-preview {
    grid-template-columns: 1fr;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

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

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

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

  .section {
    padding: 56px 0;
  }

  .section-alt {
    padding: 56px 0;
  }

  .credentials-grid {
    gap: 24px;
  }

  .cta-strip h2 {
    font-size: 1.6rem;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .container {
    padding: 0 16px;
  }
}