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

:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --dark: #1a1a2e;
  --gray: #f4f5f7;
  --text: #333;
  --text-light: #666;
  --white: #fff;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  background: var(--dark);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  color: var(--white);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo span {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: #ccc;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--dark), #16213e);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.2rem;
  color: #adb5bd;
  margin-bottom: 32px;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 12px 32px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--primary-dark);
}

/* Features */
.features {
  padding: 80px 0;
  background: var(--gray);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.feature-card h3 {
  margin-bottom: 12px;
  color: var(--primary);
}

/* Page header */
.page-header {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0;
  text-align: center;
}

/* Services */
.services {
  padding: 60px 0;
}

.service-list {
  display: grid;
  gap: 32px;
}

.service-item {
  padding: 32px;
  border-left: 4px solid var(--primary);
  background: var(--gray);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.service-item h2 {
  margin-bottom: 8px;
}

/* Contact */
.contact {
  padding: 60px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-details {
  list-style: none;
  margin-top: 16px;
}

.contact-details li {
  margin-bottom: 8px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Footer */
.footer {
  background: var(--dark);
  color: #adb5bd;
  text-align: center;
  padding: 24px 0;
  margin-top: 60px;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    padding: 16px 20px;
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}