:root {
  --color-bg: #0d0d1a;
  --color-bg-alt: #151529;
  --color-card: #1a1a33;
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-secondary: #10b981;
  --color-accent: #f59e0b;
  --color-text: #f8f9fa;
  --color-text-secondary: #b8bcc8;
  --color-border: #2a2a4a;
  --color-surface: #181835;
  --color-gradient: linear-gradient(135deg, #6366f1 0%, #10b981 100%);
  
  --font-primary: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-secondary: 'Inter', system-ui, sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  --border-radius: 16px;
  --border-radius-sm: 8px;
}

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

body {
  font-family: var(--font-secondary);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

h1, h2, h3 {
  font-family: var(--font-primary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--color-text);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  background: rgba(13, 13, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--color-text);
  transition: all 0.3s ease;
}

.logo-link:hover {
  color: var(--color-text);
  transform: scale(1.05);
}

.logo-icon {
  filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.3));
}

.brand-name {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-content {
  flex: 1;
  padding-top: 6rem;
}

.page-title {
  padding: 4rem 0 3rem;
  text-align: center;
  position: relative;
}

.page-title::after {
  content: '';
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--color-gradient);
  border-radius: 2px;
}

.page-block {
  padding: 4rem 0;
  position: relative;
}

.page-block--alt {
  background: var(--color-bg-alt);
}

.page-block--alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 70% 30%, rgba(78, 205, 196, 0.08) 0%, transparent 50%);
}

.page-block h2 {
  margin-bottom: 1.5rem;
  color: var(--color-text);
  position: relative;
}

.page-block p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  max-width: 900px;
  font-size: 1.1rem;
}

.page-block p:last-child {
  margin-bottom: 0;
}

.page-empty {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border-radius: var(--border-radius);
  border: 2px dashed var(--color-border);
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  position: relative;
  overflow: hidden;
}

.page-empty::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-gradient);
  opacity: 0.05;
}

.page-empty::after {
  content: 'Контент буде додано найближчим часом';
  position: relative;
  z-index: 1;
}

.site-footer {
  padding: 4rem 0 2rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gradient);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  flex: 1;
  max-width: 300px;
}

.footer-description {
  color: var(--color-text-secondary);
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-content {
  display: flex;
  gap: 3rem;
  flex: 2;
}

.footer-section {
  flex: 1;
}

.footer-section h4 {
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-contact p {
  color: var(--color-text-secondary);
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  text-align: center;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gradient);
  transition: width 0.3s ease;
}

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

.footer-links a:hover::after {
  width: 100%;
}

.footer-bottom p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin: 0;
}

.about-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

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

.about-content-grid--reverse .about-text {
  order: 2;
}

.about-content-grid--reverse .about-image {
  order: 1;
}

.about-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.value-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-icon {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.value-card h3 {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.value-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.tech-content,
.achievements-content,
.social-content,
.future-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
}

.tech-illustration,
.achievements-illustration,
.social-illustration,
.future-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
}

.achievements-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.achievement-item {
  padding: 1rem;
  background: var(--color-card);
  border-radius: var(--border-radius-sm);
  border-left: 4px solid var(--color-primary);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.achievement-item strong {
  color: var(--color-primary);
}

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

.image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius);
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .page-content {
    padding-top: 5rem;
  }

  .page-title {
    padding: 3rem 0 2rem;
  }

  .page-block {
    padding: 3rem 0;
  }

  .page-block h2 {
    font-size: 1.75rem;
  }

  .page-block p {
    font-size: 1rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-content {
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
  }

  .about-content-grid,
  .about-content-grid--reverse,
  .tech-content,
  .achievements-content,
  .social-content,
  .future-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-content-grid--reverse .about-text,
  .about-content-grid--reverse .about-image {
    order: unset;
  }

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

@media (max-width: 480px) {
  .site-header {
    padding: 1rem 0;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .page-title {
    padding: 2rem 0 1.5rem;
  }

  .page-block {
    padding: 2rem 0;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }
}