:root {
  --primary-blue: #1E3A8A;
  --secondary-blue: #3B82F6;
  --accent-green: #10B981;
  --background: #FFFFFF;
  --light-background: #F3F4F6;
  --text-dark: #111827;
  --text-gray: #6B7280;
  --border: #E5E7EB;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Arial, Helvetica, sans-serif; background: var(--background); color: var(--text-dark); line-height: 1.6; }
a { color: inherit; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); padding: 14px 8%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--primary-blue); font-weight: 800; line-height: 1.05; }
.brand img { width: 46px; height: 46px; object-fit: contain; border-radius: 10px; }
.brand small { color: var(--text-gray); font-size: 13px; font-weight: 700; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; color: var(--primary-blue); font-weight: 700; font-size: 15px; }
.nav-cta { background: var(--primary-blue); color: #fff !important; padding: 10px 18px; border-radius: 10px; box-shadow: 0 8px 18px rgba(30,58,138,0.18); }

.hero { position: relative; min-height: 620px; display: flex; align-items: center; padding: 90px 8%; background: url('https://images.unsplash.com/photo-1554224155-6726b3ff858f?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat; color: #fff; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(30,58,138,0.92), rgba(30,58,138,0.72), rgba(16,185,129,0.22)); }
.hero-content { position: relative; max-width: 780px; }
.eyebrow { display: inline-block; background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.25); padding: 8px 14px; border-radius: 999px; font-weight: 700; margin-bottom: 20px; }
.hero h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.08; margin-bottom: 20px; letter-spacing: -1px; }
.hero-text { color: #E5E7EB; font-size: 20px; max-width: 700px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { text-decoration: none; display: inline-block; padding: 14px 24px; border-radius: 10px; font-weight: 800; }
.btn-primary { background: var(--accent-green); color: #fff; }
.btn-secondary { background: #fff; color: var(--primary-blue); }

.intro { padding: 28px 8%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; background: #fff; }
.intro-card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: #fff; box-shadow: 0 8px 20px rgba(17,24,39,0.05); }
.intro-card strong { display: block; color: var(--primary-blue); margin-bottom: 5px; }
.intro-card span { color: var(--text-gray); font-size: 15px; }

.section { padding: 82px 8%; }
.section-light { background: var(--light-background); }
.section-title { max-width: 780px; margin: 0 auto 42px; text-align: center; }
.section-title h2 { color: var(--primary-blue); font-size: 36px; margin-bottom: 12px; }
.section-title p { color: var(--text-gray); font-size: 17px; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; box-shadow: 0 10px 24px rgba(17,24,39,0.06); }
.service-card img { width: 100%; height: 190px; object-fit: cover; display: block; }
.service-body { padding: 22px; }
.service-body h3 { color: var(--primary-blue); font-size: 21px; margin-bottom: 10px; }
.service-body p { color: var(--text-gray); font-size: 15.5px; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 28px; box-shadow: 0 8px 20px rgba(17,24,39,0.05); }
.step-card span { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: #D1FAE5; color: #047857; font-weight: 800; margin-bottom: 16px; }
.step-card h3 { color: var(--primary-blue); margin-bottom: 8px; }
.step-card p { color: var(--text-gray); }

.about-section { display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 46px; }
.about-image img { width: 100%; border-radius: 20px; box-shadow: 0 12px 30px rgba(17,24,39,0.14); display: block; }
.about-content h2 { color: var(--primary-blue); font-size: 36px; margin-bottom: 18px; }
.about-content p { color: var(--text-gray); margin-bottom: 14px; font-size: 16.5px; }
.cert-box { margin-top: 22px; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 18px; display: flex; align-items: center; gap: 16px; }
.cert-box img { width: 80px; height: auto; object-fit: contain; }
.cert-box strong { color: var(--primary-blue); display: block; margin-bottom: 4px; }
.cert-box p { margin: 0; font-size: 14.5px; }

.faq-section { background: #fff; }
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 14px; }
details { background: var(--light-background); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; }
summary { cursor: pointer; font-weight: 800; color: var(--primary-blue); }
details p { margin-top: 12px; color: var(--text-gray); }

.contact-section { background: linear-gradient(135deg, var(--primary-blue), #2563EB); }
.contact-card { max-width: 860px; margin: 0 auto; text-align: center; color: #fff; }
.contact-card h2 { font-size: 36px; margin-bottom: 12px; }
.contact-card p { color: #E5E7EB; font-size: 17px; margin-bottom: 24px; }
.contact-links { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.contact-links a { background: #fff; color: var(--primary-blue); padding: 12px 18px; border-radius: 10px; text-decoration: none; font-weight: 800; }

footer { background: #111827; color: #D1D5DB; text-align: center; padding: 28px 8%; font-size: 14px; }
.legal { color: #9CA3AF; margin-top: 10px; font-size: 13px; max-width: 950px; margin-left: auto; margin-right: auto; }

@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .intro { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .site-header { flex-direction: column; align-items: flex-start; padding: 14px 6%; }
  .nav { width: 100%; flex-wrap: wrap; gap: 12px; }
  .nav a { font-size: 14px; }
  .hero { min-height: 560px; padding: 72px 6%; }
  .hero-text { font-size: 17px; }
  .section, .intro { padding-left: 6%; padding-right: 6%; }
  .service-grid, .steps-grid, .about-section { grid-template-columns: 1fr; }
  .section-title h2, .about-content h2, .contact-card h2 { font-size: 30px; }
}