:root {
  --primary: #0f4c5c;
  --primary-light: #1a6b7f;
  --accent: #e9b741;
  --accent-dark: #d4a230;
  --bg: #ffffff;
  --bg-light: #f7f5f0;
  --bg-dark: #0a2e38;
  --text-dark: #1a1a1a;
  --text-mid: #4a4a4a;
  --text-light: #f0f0f0;
  --text-muted: #8a8a8a;
  --border: #e0ddd6;
  --shadow: 0 2px 12px rgba(10, 46, 56, 0.08);
  --radius: 8px;
  --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: 1.6;
  font-size: 16px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }

img { max-width: 100%; height: auto; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar .logo {
  font-size: 1.25rem;
  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-mid);
  transition: color 0.2s;
  padding: 4px 0;
}

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

.nav-links a.active {
  border-bottom: 2px solid var(--accent);
}

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

.nav-cta:hover {
  background: var(--primary-light);
  color: var(--bg) !important;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
  padding: 4px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: var(--bg) !important;
  border-color: var(--primary);
}

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

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

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

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

.btn-accent:hover {
  background: var(--accent-dark);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
  color: var(--text-light);
  padding: 80px 0 60px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-ctas .btn-outline {
  border-color: rgba(255,255,255,0.6);
  color: var(--bg) !important;
}

.hero-ctas .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--bg);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-tile {
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  backdrop-filter: blur(4px);
}

.stat-tile .stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.stat-tile .stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* Section common */
.section {
  padding: 64px 0;
}

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

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 8px;
}

.section-sub {
  text-align: center;
  color: var(--text-mid);
  max-width: 600px;
  margin: 0 auto 40px;
  font-size: 1rem;
}

/* Value Props */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow);
}

.value-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.value-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.value-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.6;
}

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

.service-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(10, 46, 56, 0.12);
}

.service-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.6;
}

.service-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(15, 76, 92, 0.08);
  padding: 2px 10px;
  border-radius: 20px;
  margin-top: 10px;
}

/* About strip on homepage */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-strip h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.about-strip .icon-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-strip .icon-item {
  text-align: center;
  background: var(--bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-strip .icon-item .num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

/* Credentials strip */
.credentials {
  background: var(--primary);
  color: var(--text-light);
  padding: 32px 0;
  text-align: center;
}

.credentials .container {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.credentials span {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* CTA strip */
.cta-strip {
  background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark) 100%);
  color: var(--text-light);
  text-align: center;
  padding: 56px 20px;
}

.cta-strip h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-strip p {
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--accent);
}

.footer-col p,
.footer-col li {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li { margin-bottom: 6px; }

.footer-col ul li a {
  color: rgba(255,255,255,0.7);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
}

/* Page hero band */
.page-hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
  color: var(--text-light);
  padding: 60px 0 40px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto;
}

/* Content page generic */
.content-page {
  padding: 48px 0;
}

.content-page h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text-dark);
}

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

.content-page p {
  color: var(--text-mid);
  margin-bottom: 14px;
  line-height: 1.7;
}

.content-page ul {
  margin: 12px 0 20px 20px;
  color: var(--text-mid);
}

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

/* Contact form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info p {
  color: var(--text-mid);
  margin-bottom: 12px;
}

.contact-info .detail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.contact-info .detail .icon { font-size: 1.2rem; }

.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  margin-bottom: 16px;
  transition: border-color 0.2s;
}

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

.contact-form textarea { min-height: 120px; resize: vertical; }

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

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

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    gap: 16px;
  }

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

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

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

  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-tile { padding: 14px 10px; }
  .stat-tile .stat-number { font-size: 1.25rem; }

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

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

  .about-strip .icon-group {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .credentials .container {
    flex-direction: column;
    gap: 8px;
  }

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

  .page-hero h1 { font-size: 1.75rem; }

  .service-card { padding: 20px; }
}