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

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  color: #333;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin: 1rem 0;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin: 1rem 0;
}

a {
  color: #3b82f6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* Utility Classes */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Components */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: #3b82f6;
  color: #fff;
}

.btn-primary:hover {
  background: #2563eb;
  text-decoration: none;
}

.btn-hero {
  background: #fff;
  color: #3b82f6;
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-hero:hover {
  background: #f3f4f6;
  text-decoration: none;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #000;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #fff;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #fff;
  opacity: 0.9;
}

/* Navigation */
.navbar {
  padding: 1rem 0;
}

.navbar .container {
  display: block;
}

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

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  color: inherit;
  padding: 0.5rem;
  transition: opacity 0.2s;
}

.nav-link:hover {
  opacity: 0.8;
  text-decoration: none;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: inherit;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 1rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-mobile.active {
  display: flex;
}

.nav-link-mobile {
  color: inherit;
  padding: 0.75rem 0;
  display: block;
  transition: opacity 0.2s;
}

.nav-link-mobile:hover {
  opacity: 0.8;
  text-decoration: none;
}

/* Responsive Navigation */
@media (max-width: 768px) {
  .nav-desktop {
    display: none !important;
  }
  
  .nav-toggle {
    display: block;
  }
}

@media (min-width: 769px) {
  .nav-mobile {
    display: none !important;
  }
}

/* Blocks */
.heading {
  font-weight: 700;
  margin: 1.5rem 0;
}

.heading-1 { font-size: 2.5rem; }
.heading-2 { font-size: 2rem; }
.heading-3 { font-size: 1.75rem; }
.heading-4 { font-size: 1.5rem; }
.heading-5 { font-size: 1.25rem; }
.heading-6 { font-size: 1rem; }

.text {
  margin: 1rem 0;
  line-height: 1.6;
}

.image-block {
  margin: 1.5rem 0;
}

.img-responsive {
  width: 100%;
  height: auto;
  display: block;
}

.spacer {
  width: 100%;
}

.container-block {
  margin: 1rem 0;
}

.block {
  padding: 1rem;
  margin: 1rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}