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

:root {
  --primary: #2b5c3f;
  --primary-dark: #1e3f2c;
  --accent: #e8a838;
  --text: #333;
  --text-light: #666;
  --bg: #fafafa;
  --white: #fff;
}

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

/* Navigation */
header {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 70px;
}

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

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

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

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

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

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

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--accent);
  color: var(--white);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover {
  background: #d4952e;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}

/* Sections */
section {
  padding: 80px 20px;
}

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

.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--white);
  border-radius: 10px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-card h3 {
  margin-bottom: 10px;
  color: var(--primary);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Why Choose Us */
.features {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.feature h3 {
  margin-bottom: 6px;
  color: var(--primary-dark);
}

.feature p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* CTA Banner */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.cta p {
  opacity: 0.9;
  margin-bottom: 28px;
  font-size: 1.1rem;
}

/* About Page */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-image {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 5rem;
}

.about-text h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  background: var(--white);
  padding: 28px 24px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.value-card .service-icon {
  font-size: 2rem;
}

.value-card h3 {
  margin-bottom: 8px;
  color: var(--primary);
}

.value-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

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

.contact-info h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-light);
  margin-bottom: 28px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-detail .icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-detail h4 {
  color: var(--primary-dark);
  margin-bottom: 2px;
}

.contact-detail p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--white);
  padding: 36px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.contact-form h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  display: none;
}

.form-message.success {
  background: #e8f5e9;
  color: #2e7d32;
  display: block;
}

.form-message.error {
  background: #ffebee;
  color: #c62828;
  display: block;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 60px 20px;
}

.page-header h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.page-header p {
  opacity: 0.9;
  font-size: 1.1rem;
}

/* Footer */
footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 20px 24px;
}

.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-about .logo {
  color: var(--white);
  display: inline-block;
  margin-bottom: 12px;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.7;
}

footer h4 {
  color: var(--white);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
}

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

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

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

  .nav-links li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-image {
    height: 240px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}