/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background-color: #f8f9fa;
}

/* Layout Container */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background-color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav.container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a365d;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: #4a5568;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #2b6cb0;
}

/* Language Switcher Button */
.lang-btn {
  background-color: #edf2f7;
  color: #2d3748;
  border: 1px solid #cbd5e0;
  padding: 6px 12px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  background-color: #e2e8f0;
  color: #1a202c;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 80px 20px 60px 20px;
}

.hero h1 {
  font-size: 2.5rem;
  color: #1a365d;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  color: #4a5568;
  max-width: 700px;
  margin: 0 auto 30px auto;
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: #2b6cb0;
  color: #ffffff;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn:hover {
  background-color: #2c5282;
}

/* Content Sections */
.about {
  background-color: #ffffff;
  padding: 50px 30px;
  border-radius: 8px;
  margin-bottom: 40px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
}

.about h2, .about h3 {
  color: #1a365d;
  margin-bottom: 15px;
}

/* Services Cards Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.card {
  background: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
  border-top: 4px solid #2b6cb0;
}

.card h3 {
  color: #1a365d;
  margin-bottom: 12px;
}

.card p {
  color: #718096;
  font-size: 0.95rem;
}

/* Contact Form Styles */
.contact-form {
  max-width: 600px;
  margin: 25px 0;
  text-align: left;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #2d3748;
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #cbd5e0;
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  background-color: #f7fafc;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2b6cb0;
  background-color: #ffffff;
}

/* Footer */
footer {
  text-align: center;
  padding: 30px 20px;
  color: #718096;
  font-size: 0.9rem;
  border-top: 1px solid #e2e8f0;
  margin-top: 40px;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  .about {
    padding: 30px 20px;
  }
}