:root {
  --primary-dark: #0f172a;
  --accent-blue: #1e3a8a;
  --accent-cyan: #38bdf8;
  --text-main: #334155;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  font-family: var(--font);
  color: var(--text-main);
  background-color: var(--white);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e2e8f0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  height: 48px;
  width: 48px;
}

.brand-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-blue);
  letter-spacing: -0.5px;
}

.brand-text span {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #2563eb);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s, transform 0.2s;
  display: inline-block;
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-secondary {
  border: 1px solid #cbd5e1;
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: var(--bg-light);
}

/* Hero Section */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  background-color: rgba(56, 189, 248, 0.12);
  color: #0284c7;
  font-weight: 600;
  font-size: 13px;
  border-radius: 9999px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.15;
  font-weight: 800;
  color: var(--primary-dark);
  max-width: 800px;
  margin: 0 auto 20px;
  letter-spacing: -1px;
}

.hero p {
  font-size: 18px;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-light);
  font-size: 16px;
}

/* Services */
.services {
  padding: 80px 0 100px;
  background-color: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.card {
  background: var(--white);
  border: 1px solid #e2e8f0;
  padding: 36px 28px;
  border-radius: 14px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.08);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(30, 58, 138, 0.06);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 20px;
  color: var(--primary-dark);
  margin-bottom: 12px;
  font-weight: 700;
}

.card p {
  font-size: 15px;
  color: var(--text-light);
}

/* Contact */
.contact {
  padding: 80px 0 100px;
  text-align: center;
}

.contact-box {
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: var(--white);
  padding: 60px 32px;
  border-radius: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-box h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-box p {
  color: #cbd5e1;
  font-size: 16px;
  margin-bottom: 30px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.contact-box .btn-primary {
  background: var(--accent-cyan);
  color: var(--primary-dark) !important;
  font-weight: 700;
}

/* Footer */
footer {
  border-top: 1px solid #e2e8f0;
  padding: 40px 0;
  font-size: 14px;
  color: var(--text-light);
  text-align: center;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 34px;
  }
  .nav-links {
    display: none;
  }
}