:root {
  --dark: #0f172a;
  --accent: #ef4444;
  --bg: #f8fafc;
  --text: #334155;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.navbar {
  background: white;
  border-bottom: 1px solid #e2e8f0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--dark);
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
}

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

.hero {
  background: linear-gradient(135deg, #020617, #0f172a);
  color: white;
  padding: 4.5rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.7rem;
  margin-bottom: 1rem;
}

.services {
  padding: 4rem 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.6rem;
}

.service-card {
  background: white;
  padding: 1.8rem;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

.service-card h3 {
  margin-bottom: 0.6rem;
  color: var(--dark);
}

.why-us {
  background: white;
  padding: 3.5rem 0;
}

.why-us h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.why-us ul {
  max-width: 600px;
  margin: auto;
  list-style: none;
}

.why-us li {
  padding: 0.6rem 0;
  font-size: 1.05rem;
}

.cta {
  background: var(--dark);
  color: white;
  padding: 3.5rem 0;
  text-align: center;
}

button {
  margin-top: 1.2rem;
  padding: 0.75rem 1.7rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  background: #dc2626;
}

footer {
  background: #020617;
  color: #94a3b8;
  padding: 1.2rem 0;
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2.1rem;
  }
}