:root {
  --primary: #1a5276;
  --primary-light: #2980b9;
  --accent: #27ae60;
  --accent-light: #2ecc71;
  --bg: #f8fbfd;
  --bg-white: #ffffff;
  --text-dark: #1c2833;
  --text-light: #5d6d7e;
  --border: #d5e0e8;
  --shadow: 0 2px 16px rgba(26,82,118,0.08);
  --radius: 8px;
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

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

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── Navbar ─── */
.navbar {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  transition: color var(--transition);
}

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

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background var(--transition);
}

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

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

.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── Hero ─── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #1f6f9e 100%);
  color: #fff;
  padding: 80px 0 60px;
  text-align: center;
}

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

.hero p {
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 32px;
  opacity: 0.9;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
}

.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 780px;
  margin: 0 auto;
}

.stat-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(4px);
  padding: 20px 16px;
  border-radius: var(--radius);
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 4px;
}

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

.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-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.service-icon {
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-light);
}

/* ─── Page Hero ─── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #1f6f9e 100%);
  color: #fff;
  padding: 56px 0 40px;
  text-align: center;
}

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

.page-hero p {
  opacity: 0.9;
  margin-top: 8px;
  font-size: 1.05rem;
}

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

.about-content h2 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 16px;
}

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

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

.value-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.value-item h4 {
  color: var(--primary);
  margin-bottom: 4px;
}

.value-item p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* ─── Services Page ─── */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-detail-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.service-detail-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.service-detail-card h3 {
  color: var(--primary);
  margin-bottom: 6px;
}

.service-detail-card p {
  color: var(--text-light);
  font-size: 0.92rem;
}

/* ─── Trust Strip ─── */
.trust-strip {
  background: var(--primary);
  color: #fff;
  padding: 32px 0;
  text-align: center;
}

.trust-strip .container {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 0.95rem;
  opacity: 0.9;
}

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

/* ─── Contact Form ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
}

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

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.92rem;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  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 var(--transition);
}

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

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.contact-info-card h4 {
  color: var(--primary);
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.contact-info-card p {
  color: var(--text-light);
  font-size: 0.92rem;
}

/* ─── Footer ─── */
.footer {
  background: #0f2b3d;
  color: rgba(255,255,255,0.7);
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.footer-col p,
.footer-col a {
  font-size: 0.9rem;
  line-height: 2;
  display: block;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 40px;
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom strong {
  color: #fff;
}

/* ─── Mobile ─── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }

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

  .hamburger { display: flex; }

  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .hero-stats { grid-template-columns: 1fr; gap: 12px; }

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

  .service-detail-grid { grid-template-columns: 1fr; }

  .service-detail-card { flex-direction: column; text-align: center; }

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

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

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

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.6rem; }
  .section-title { font-size: 1.5rem; }
}