:root {
  --primary-color: #1a1a1a;
  --secondary-color: #2d2d2d;
  --accent-color: #d4af37;
  --accent-light: #f5e6c8;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-light: #ffffff;
  --bg-primary: #ffffff;
  --bg-secondary: #f8f8f8;
  --bg-dark: #1a1a1a;
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.08);
  --shadow-medium: 0 15px 60px rgba(0, 0, 0, 0.12);
  --shadow-strong: 0 20px 80px rgba(0, 0, 0, 0.16);
  --border-radius: 22px;
  --spacing-xs: 1rem;
  --spacing-sm: 2rem;
  --spacing-md: 4rem;
  --spacing-lg: 6rem;
  --spacing-xl: 8rem;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
  z-index: 1000;
  padding: 1.5rem 0;
}

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

.logo img {
  height: 50px;
  width: auto;
  border-radius: 12px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 16px;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--accent-color);
}

.burger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.burger-menu span {
  width: 28px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition);
}

.hero {
  padding: 12rem 0 8rem;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  background: var(--accent-color);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 16px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
  background: #c9a030;
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}

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

.section {
  padding: var(--spacing-lg) 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: var(--spacing-md);
}

.feature-card {
  background: var(--bg-primary);
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--accent-color), #c9a030);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 32px;
  color: var(--text-light);
}

.feature-icon i {
  font-size: 32px;
  line-height: 1;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: var(--spacing-md);
}

.service-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.service-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.service-content {
  padding: 2.5rem;
}

.service-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.service-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.cta-section {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary-color) 100%);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
  border-radius: var(--border-radius);
  margin: var(--spacing-lg) 0;
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.cta-section p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 2.5rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn {
  background: var(--accent-color);
  color: var(--text-primary);
}

.cta-section .btn:hover {
  background: #c9a030;
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-primary);
  padding: 3.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 16px;
  font-size: 16px;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 0.25rem;
  cursor: pointer;
  accent-color: var(--accent-color);
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  line-height: 2;
  transition: var(--transition);
}

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

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.content-section {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-md) 0;
}

.content-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.content-section h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.content-section p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.content-section ul,
.content-section ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.content-section li {
  margin-bottom: 0.75rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.content-section ul a,
.content-section ol a {
  word-break: break-all;
  overflow-wrap: anywhere;
}

@media (max-width: 768px) {
  .burger-menu {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-medium);
    transform: translateX(-100%);
    transition: var(--transition);
    z-index: 999;
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    padding: 2rem;
    gap: 0;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .hero {
    padding: 10rem 0 5rem;
  }

  .features-grid,
  .services-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section {
    padding: var(--spacing-md) 0;
  }

  .form-container {
    padding: 2rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .btn {
    padding: 1rem 2rem;
    font-size: 15px;
  }

  .feature-card,
  .service-content {
    padding: 2rem 1.5rem;
  }
}