:root {
  --primary: #0d6efd;
  --dark: #0a0a0a;
  --light: #f5f5f5;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  color: #333;
  line-height: 1.6;
  background: var(--light);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  z-index: 1000;
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}
.logo {
  font-weight: 700;
  font-size: 1.5rem;
}
.nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}
.nav a:hover {
  color: var(--primary);
}

.hero {
  background: url("images/bg.png") center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 9rem 1rem 7rem;
  margin-top: 64px;
}
.headline {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}
.subheadline {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.3s, color 0.3s;
}
.cta-btn:hover {
  background: rgba(255,255,255,0.85);
  color: #000;
}

.about, .solutions, .contact {
  padding: 4rem 0;
  background: var(--light);
}
.about h3, .solutions h3, .contact h3 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
}
.solutions .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 2rem;
}
.solution-card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: transform 0.2s;
}
.solution-card:hover {
  transform: translateY(-4px);
}
.contact {
  text-align: center;
}
.footer {
  background: #fff;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.875rem;
  color: #666;
}