/* =============================================
   Vestnik-expert — статическая страница представительства
   ============================================= */

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #2a2d32;
  --color-text-muted: #5c6168;
  --color-text-light: #8a9099;
  --color-border: #e4e6ea;
  --color-border-light: #eef0f3;
  --color-accent: #2c5282;
  --color-accent-hover: #1e3a5f;
  --color-focus: rgba(44, 82, 130, 0.35);

  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --container: 720px;
  --container-wide: 960px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius: 6px;
  --shadow-soft: 0 1px 3px rgba(42, 45, 50, 0.04), 0 4px 16px rgba(42, 45, 50, 0.03);
  --transition: 0.22s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--wide {
  max-width: var(--container-wide);
}

/* ---- Accessibility ---- */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 200;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius);
  transition: top var(--transition);
}

.skip-link:focus {
  top: var(--space-sm);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Header ---- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.site-header__name {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.site-header__name:hover {
  color: var(--color-accent);
}

.site-header__link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.site-header__link:hover {
  color: var(--color-accent);
}

/* ---- Hero ---- */

.hero {
  padding-block: var(--space-xl) var(--space-lg);
}

.hero__inner {
  max-width: 760px;
  margin-inline: auto;
}

.hero__title {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15em;
  text-align: center;
  font-size: clamp(1.75rem, 4.5vw, 2.375rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero__title-line {
  display: block;
}

.hero__title-line--org {
  font-size: 0.82em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.hero__lead {
  margin: var(--space-lg) 0 0;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  text-align: left;
  text-wrap: pretty;
}

/* ---- Directions ---- */

.directions {
  padding-block: var(--space-md) var(--space-xl);
}

.directions__grid {
  display: grid;
  gap: var(--space-md);
}

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

.direction-card:hover {
  border-color: #d0d4da;
  box-shadow: 0 2px 6px rgba(42, 45, 50, 0.05), 0 8px 24px rgba(42, 45, 50, 0.04);
}

.direction-card__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.direction-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* ---- Contacts ---- */

.contacts {
  padding-block: var(--space-xl) var(--space-2xl);
  border-top: 1px solid var(--color-border-light);
}

.contacts__inner {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.contacts__title {
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-md);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--color-border-light);
}

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

.office {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  transition: border-color var(--transition);
}

.office[open] {
  border-color: #d0d4da;
}

.office__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-md);
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.office__summary::-webkit-details-marker {
  display: none;
}

.office__summary::marker {
  display: none;
  content: "";
}

.office__heading {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.office__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.office__phone {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.office__phone a {
  color: var(--color-accent);
  font-weight: 500;
}

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

.office__chevron {
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1.5px solid var(--color-text-light);
  border-bottom: 1.5px solid var(--color-text-light);
  transform: rotate(45deg);
  margin-top: -0.2rem;
  transition: transform var(--transition), border-color var(--transition);
}

.office[open] .office__chevron {
  transform: rotate(-135deg);
  margin-top: 0.2rem;
  border-color: var(--color-accent);
}

.office__summary:hover .office__name {
  color: var(--color-accent);
}

.office__body {
  padding: 0 var(--space-md) var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.office__details {
  margin: var(--space-md) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm) 0;
}

.office__details--bordered {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.office__details dt {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text-light);
}

.office__details dd {
  margin: 0 0 var(--space-xs);
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.55;
}

.office__details dd:last-child {
  margin-bottom: 0;
}

.office__details dd a {
  font-weight: 500;
}

.office__details + .office__note {
  margin-top: var(--space-md);
}

.office__persons {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.office__person {
  white-space: nowrap;
}

.office__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ---- Footer ---- */

.site-footer {
  padding-block: var(--space-md);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-surface);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.site-footer__copy {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.site-footer__link {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.site-footer__link:hover {
  color: var(--color-accent);
}

/* ---- Reveal animation ---- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (min-width: 640px) {
  .directions__grid {
    grid-template-columns: 1fr 1fr;
  }

  .office__details {
    grid-template-columns: 160px 1fr;
    column-gap: var(--space-md);
    row-gap: var(--space-sm);
  }

  .office__details dd {
    margin-bottom: 0;
  }

  .office__summary {
    padding: var(--space-md) var(--space-lg);
  }

  .office__body {
    padding: 0 var(--space-lg) var(--space-lg);
  }

  .office__heading {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    flex: 1;
    gap: var(--space-md);
  }
}

@media (min-width: 768px) {
  .hero {
    padding-block: var(--space-2xl) var(--space-lg);
  }

  .hero__lead {
    margin-top: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .office__person {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}