:root {
  --primary: #1a365d;
  --primary-light: #2b4f8c;
  --accent: #e67e22;
  --accent-hover: #d35400;
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --bg-dark: #0f1724;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --radius: 12px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.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: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  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);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

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

.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(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
}

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

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

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

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

/* Hero */
.hero {
  padding: calc(var(--nav-height) + 80px) 0 80px;
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

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

.hero .sub-lead {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero .cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero .stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero .stat {
  background: var(--bg);
  padding: 24px 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 160px;
}

.hero .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.hero .stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* Trust Strip */
.trust-strip {
  background: var(--primary);
  color: var(--text-white);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

.trust-strip .container {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}

.trust-strip strong {
  color: var(--accent);
}

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

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

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

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

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

.service-card {
  background: var(--bg);
  padding: 32px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

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

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

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

/* Page Header */
.page-header {
  padding: calc(var(--nav-height) + 60px) 0 40px;
  background: var(--primary);
  color: var(--text-white);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.page-header p {
  opacity: 0.85;
  font-size: 1.05rem;
}

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

.about-grid h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 16px;
}

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

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  list-style: none;
}

.about-values li {
  background: var(--bg);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
}

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

.contact-info h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 8px;
  line-height: 1.7;
}

.contact-details {
  list-style: none;
  margin-top: 24px;
}

.contact-details li {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--text);
}

.contact-details .label {
  font-weight: 600;
  color: var(--primary);
  min-width: 60px;
}

.contact-form {
  background: var(--bg);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.contact-form .form-group {
  margin-bottom: 16px;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
}

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

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

/* Footer */
.footer {
  background: var(--bg-dark);
  color: #a0aec0;
  padding: 60px 0 0;
}

.footer .container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-col h3 {
  color: var(--text-white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

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

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

.footer-col ul a {
  color: #a0aec0;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: var(--text-white);
}

.footer-col .logo {
  color: var(--text-white);
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  display: block;
  margin-bottom: 16px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 40px;
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom span {
  color: var(--accent);
  font-weight: 600;
}

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

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    display: none;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  }

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

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-links .btn {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }

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

  .hero .sub-lead {
    font-size: 1rem;
  }

  .hero .stat {
    min-width: 140px;
    padding: 20px 24px;
  }

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

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

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

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

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

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

  .section {
    padding: 48px 0;
  }

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