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

html {
  font-family: var(--font-ui);
  background-color: var(--color-bg-main);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header Navbar — sticky + solid by default so it never overlaps page
   content. The hero page overrides this to transparent/absolute (see
   `body.page-hero`) so it can float over the hero illustration instead. */
.site-header {
  position: relative;
  width: 100%;
  z-index: var(--z-header);
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 4rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.85;
}

.brand-logo-img {
  height: 104px;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand-logo-text { display: none; }
.brand-logo-subtitle { display: none; }

/* Меню nav-links — закрепляется вверху экрана при прокрутке */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
  transition: all var(--transition-smooth);
}

.nav-links.is-sticky {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: calc(var(--z-header) + 100);
  background: rgba(248, 248, 245, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.65rem 2rem;
  border-radius: var(--radius-3xl);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.search-trigger-btn {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-3xl);
  padding: 0.55rem 1.1rem;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 500;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.search-trigger-btn:hover {
  color: var(--color-accent-green);
  border-color: var(--color-accent-green);
}

.search-trigger-btn kbd {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--color-border-subtle);
}

.search-icon {
  width: 18px;
  height: 18px;
}

.lang-selector {
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-card);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-3xl);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--color-text-primary);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23626A65' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2rem;
}

.lang-selector:hover {
  border-color: var(--color-accent-green);
}

/* Бургер-меню и мобильный drawer */
.burger-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  padding: 0.5rem;
  cursor: pointer;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-bg-main);
  z-index: calc(var(--z-header) + 10);
  display: flex;
  flex-direction: column;
  padding: 5rem 2rem 2rem;
  transform: translateX(-100%);
  transition: transform var(--transition-smooth);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.mobile-drawer-links a {
  font-family: var(--font-hero);
  font-size: 2rem;
  color: var(--color-text-primary);
  text-decoration: none;
}

.mobile-lang {
  width: max-content;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 9rem 4rem 4rem;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-background {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background-image: url('../images/hero/hero_bg.png');
  background-size: cover;
  background-position: center left;
  z-index: 0;
  mask-image: linear-gradient(to right, transparent, rgba(0,0,0,1) 40%);
  -webkit-mask-image: linear-gradient(to right, transparent, rgba(0,0,0,1) 40%);
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 10;
}

.hero-title {
  font-family: var(--font-hero);
  font-size: 7rem;
  font-weight: 500;
  line-height: 0.95;
  color: var(--color-text-primary);
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.hero-subtitle-accent {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-sand-hover);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.hero-subtitle-accent svg {
  width: 24px;
  height: 24px;
  fill: var(--color-sand-hover);
}

.hero-desc {
  font-family: var(--font-reading);
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 3.5rem;
  max-width: 520px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.btn-primary {
  background-color: var(--color-accent-green);
  color: #FFFFFF;
  padding: 1.1rem 2.2rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 1rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-sand);
  padding: 1.1rem 2.2rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 1rem;
  transition: background-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-secondary:hover {
  background-color: rgba(215, 194, 154, 0.15);
}

/* Stats Row */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 10;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-right: 4rem;
  border-right: 1px solid var(--color-border-subtle);
}

.stat-item:last-child {
  padding-right: 0;
  border-right: none;
}

.stat-icon {
  width: 28px;
  height: 28px;
  fill: var(--color-accent-green);
}

.stat-text {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-hero);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--color-text-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* Section Containers */
.section-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 6rem 4rem;
  width: 100%;
}

.section-title {
  font-family: var(--font-hero);
  font-size: 2.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

.section-desc {
  font-family: var(--font-reading);
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 4rem;
  max-width: 640px;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border-subtle);
  padding: 4rem 4rem;
  background: var(--color-bg-main);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.site-footer-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  text-align: center;
}

.site-footer-credit {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
}

.site-footer-credit:hover {
  color: var(--color-accent-green);
}

@media (min-width: 768px) {
  .site-footer-row {
    justify-content: space-between;
    text-align: left;
  }
}

@media (max-width: 1200px) {
  .hero-title {
    font-size: 5rem;
  }
  .hero-stats {
    gap: 2rem;
  }
}

@media (max-width: 1024px) {
  .hero-background {
    opacity: 0.2;
    width: 100%;
    mask-image: none;
    -webkit-mask-image: none;
  }
  
  .hero-stats {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0.5rem 1.5rem;
    height: 60px;
  }
  
  .nav-links, .desktop-only {
    display: none !important;
  }
  
  .burger-btn {
    display: block;
  }
  
  .brand-logo-img {
    height: 60px;
  }

  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 767px) {
  .site-header {
    padding: 1rem 1.25rem;
    height: auto;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .brand-logo {
    font-size: 1.125rem;
    gap: 0.6rem;
  }
  .brand-logo svg {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
  }
  .brand-logo-subtitle {
    font-size: 0.5rem;
  }
  .nav-links {
    display: none;
  }
  .header-actions {
    gap: 0.5rem;
  }
  .search-trigger-btn span {
    display: none;
  }
  .search-trigger-btn kbd {
    display: none;
  }
  .search-trigger-btn {
    padding: 0.55rem;
  }
  .lang-selector {
    padding: 0.5rem 1.6rem 0.5rem 0.7rem;
    background-position: right 0.5rem center;
  }
  .hero-section {
    padding: 7rem 1.25rem 2rem;
    min-height: auto;
  }
  .hero-title {
    font-size: 3rem;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-desc {
    max-width: 100%;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    margin-bottom: 3rem;
  }
  .btn-primary,
  .btn-secondary {
    justify-content: center;
  }
  .hero-stats {
    flex-wrap: wrap;
    gap: 1.5rem 2rem;
  }
  .stat-item {
    padding-right: 0;
    border-right: none;
  }
  .section-container {
    padding: 3rem 1.25rem;
  }
  .section-title {
    font-size: 1.75rem;
  }
}