/* ============================================================
   LAYOUT — Header, Navigation, Hero, Footer
   ============================================================ */

/* ─── Header ─── */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

/* Desktop: two-row layout */
@media (min-width: 769px) {
  .header__top {
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
  }

  .header__top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0.5rem var(--content-padding);
  }

  .header__nav {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 0.25rem;
  }
}

.header__top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0.5rem var(--content-padding);
}

.header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 36px;
  width: auto;
  transition: height var(--transition);
}

@media (min-width: 1024px) {
  .header__logo img {
    height: 44px;
  }
}

.header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header__phone {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.header__phone:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* ─── Burger ─── */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.375rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.header__burger:hover {
  background: var(--color-bg-tertiary);
}

.header__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.header__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.header__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Menu ─── */
.menu {
  list-style: none;
  display: flex;
  gap: 0.125rem;
  padding: 0;
  margin: 0;
}

.menu__item a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.menu__item a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  text-decoration: none;
}

.menu__item--active > a {
  position: relative;
  color: var(--color-primary);
}

.menu__item--active > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.75rem;
  right: 0.75rem;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.menu__item--action a {
  color: var(--color-primary);
  font-weight: 600;
}

.menu__item--action a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
}

.menu__item--action:last-child a {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
}

.menu__item--action:last-child a:hover {
  background: var(--color-primary-hover);
}

/* ─── Main content ─── */
main {
  flex: 1;
  width: 100%;
}

/* ─── Hero section ─── */
.hero {
  position: relative;
  padding: var(--space-3xl) var(--content-padding);
  background: var(--color-hero-gradient);
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 10% 60%, var(--color-primary-soft) 0%, transparent 60%),
    radial-gradient(ellipse 500px 300px at 90% 40%, var(--color-primary-surface) 0%, transparent 60%);
  opacity: 0.5;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

.hero__cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 0.25rem;
}

/* ─── Section (generic) ─── */
.section {
  padding: var(--space-2xl) var(--content-padding);
}

.section__title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__title h2 {
  margin-bottom: 0.5rem;
}

.section__title p {
  color: var(--color-text-tertiary);
  max-width: 600px;
  margin: 0 auto;
}

/* ─── Static page ─── */
.static-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--content-padding) var(--space-2xl);
}

.static-page h1 {
  margin-bottom: var(--space-lg);
  font-size: var(--text-3xl);
}

/* ─── News page ─── */
.news-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--content-padding) var(--space-2xl);
}

.news-page h1 {
  margin-bottom: var(--space-xl);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.news-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.news-card:hover {
  border-color: var(--color-primary-surface);
  box-shadow: var(--shadow);
}

.news-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.news-card__title {
  font-size: var(--text-lg);
  margin: var(--space-xs) 0 var(--space-sm);
}

.news-card__title a {
  color: var(--color-text);
}

.news-card__title a:hover {
  color: var(--color-primary);
}

.news-card__preview {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.news-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
}

.news-empty {
  text-align: center;
  color: var(--color-text-tertiary);
  padding: var(--space-2xl);
}

/* News detail */
.news-detail {
  max-width: 750px;
  margin: 0 auto;
  padding: var(--space-xl) var(--content-padding) var(--space-2xl);
}

.news-detail__date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.news-detail h1 {
  margin: var(--space-sm) 0 var(--space-lg);
}

/* ─── Footer ─── */
.footer {
  margin-top: auto;
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: var(--space-xl);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-2xl) var(--content-padding);
}

.footer__col h4 {
  color: var(--color-footer-heading);
  margin-bottom: var(--space-md);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__col p,
.footer__col a {
  color: var(--color-footer-text);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.footer__col a:hover {
  color: var(--color-text-inverse);
  text-decoration: none;
}

.footer__nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer__nav li {
  margin-bottom: 0.375rem;
}

.footer__social {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--space-sm);
}

.footer__bottom {
  text-align: center;
  padding: var(--space-md) var(--content-padding);
  border-top: 1px solid var(--color-footer-border);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.footer__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  align-items: center;
}

.footer__badges img {
  height: 28px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer__badges img:hover {
  opacity: 1;
}

a.header__login-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text);
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}

a.header__login-icon:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-primary);
}

/* ─── Partners carousel ─── */
.partners-section {
  padding: var(--space-xl) var(--content-padding);
  text-align: center;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-lg);
  max-width: 800px;
  margin: var(--space-lg) auto 0;
  align-items: center;
}

.partners-grid img {
  max-height: 48px;
  width: auto;
  margin: 0 auto;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
  filter: grayscale(1);
}

.partners-grid img:hover {
  opacity: 1;
  filter: grayscale(0);
}

/* ─── Dropdown Menu ─── */
.menu__item--dropdown {
  position: relative;
}

.menu__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  width: 620px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(226, 232, 240, 0.6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  pointer-events: none;
}

.menu__item--dropdown:hover .menu__dropdown,
.menu__item--dropdown:focus-within .menu__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.menu__dropdown-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.menu__dropdown-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  padding: 0.375rem 0.5rem;
  margin-bottom: 0.25rem;
}

.menu__dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.menu__dropdown-item:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  text-decoration: none;
}

.menu__dropdown-item .menu__dropdown-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.menu__dropdown-item:hover .menu__dropdown-icon {
  color: var(--color-primary);
}

.menu__dropdown-item--all {
  font-weight: 700;
  color: var(--color-primary);
  gap: 0.375rem;
  margin-top: auto;
}

.menu__dropdown-item--all:hover {
  color: var(--color-primary-hover);
}

.menu__dropdown-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-xs) 0;
}

/* ─── Responsive: only burger breakpoint ─── */
@media (max-width: 768px) {
  .header__burger {
    display: flex;
  }

  .header__tg {
    display: none;
  }

  .header__phone {
    font-size: var(--text-xs);
  }

  .menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
    gap: 0;
    max-height: 80vh;
    overflow-y: auto;
  }

  .menu.menu--open {
    display: flex;
    overflow-x: hidden;
    max-width: 100vw;
  }

  .menu__item a {
    padding: 0.875rem 1rem;
    border-radius: 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--text-base);
  }

  .menu__item--active > a {
    background: transparent;
    color: var(--color-primary);
  }

  .menu__item--active > a::after {
    display: none;
  }

  .menu__item--dropdown .menu__dropdown {
    display: none;
    position: static;
    transform: none !important;
    left: auto;
    width: auto;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--color-bg-secondary);
    padding: 0.5rem 0 0.5rem 1rem;
    grid-template-columns: 1fr;
    gap: 0;
    pointer-events: auto;
    transition: none;
  }

  .menu__item--dropdown.menu__dropdown--open .menu__dropdown {
    display: grid;
  }

  .menu__dropdown-title {
    font-size: 0.6875rem;
    padding: 0.5rem 0.5rem 0.25rem;
  }

  .menu__dropdown-item {
    padding: 0.625rem 0.5rem;
    font-size: var(--text-sm);
    word-break: break-word;
    hyphens: auto;
  }

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

  .menu__chevron {
    transition: transform var(--transition);
  }

  .menu__dropdown--open .menu__chevron {
    transform: rotate(180deg);
  }
}

@media (max-width: 480px) {
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .header__phone {
    font-size: 0.75rem;
  }

  .header__actions {
    gap: 0.5rem;
  }
}