:root {
  --primary-color: #0057b7;
  --accent-color: #00c9a7;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --bg-light: #f4f6f9;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #ffffff;
  color: var(--text-dark);
  line-height: 1.6;
}

/* Container */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navbar */
.navbar {
  background: #fff;
  padding: 1rem 0;
  border-bottom: 1px solid #eaeaea;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
              url('../images/home-bg.jpg') no-repeat center center/cover;
  color: #fff;
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #ecf0f1;
}

.btn {
  padding: 0.8rem 1.5rem;
  background: var(--primary-color);
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  transition: var(--transition);
  font-weight: bold;
}

.btn:hover {
  background: var(--accent-color);
}

/* Page Header */
.page-header {
  background: var(--bg-light);
  text-align: center;
  padding: 6rem 0 4rem;
  margin-top: 70px;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-light);
}

/* Intro Section */
.intro,
.about {
  padding: 4rem 0;
  text-align: center;
}

.intro h2,
.about h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Services Grid */
.services {
  padding: 4rem 0;
  background: var(--bg-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  text-align: center;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-card i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background: #1a1a1a;
  color: #ccc;
  padding: 3rem 0 1rem;
  font-size: 0.95rem;
}

.footer-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.footer-columns h3 {
  color: #fff;
  margin-bottom: 1rem;
}

.footer-columns ul {
  list-style: none;
}

.footer-columns ul li {
  margin-bottom: 0.5rem;
}

.footer-columns ul a {
  color: #ccc;
  text-decoration: none;
  transition: var(--transition);
}

.footer-columns ul a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #444;
  padding-top: 1rem;
  color: #888;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }

  .footer-columns {
    flex-direction: column;
  }
}