:root {
  --color-primary: #1f5a87;
  --color-primary-dark: #0f3551;
  --color-accent: #d8a53d;
  --color-surface: #eff3f7;
  --color-surface-alt: #ffffff;
  --color-text: #101f2d;
  --color-muted: #5d6d7b;
  --color-border: #d7dde3;
  --shadow: 0 16px 35px rgba(16, 31, 45, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-surface);
  color: var(--color-text);
  line-height: 1.7;
}

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

a:hover {
  text-decoration: underline;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  container-type: inline-size;
  align-items: center;
  gap: 20px;
  max-width: 1180px;
  margin: 20px auto 0;
  padding: 18px 22px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.brand-wrap {
  justify-self: start;
  display: flex;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
}

.brand img {
  display: block;
  width: 148px;
  height: 54px;
  object-fit: contain;
}

.site-menu {
  justify-self: center;
  min-width: 0;
}

.menu-trigger {
  display: none;
}

.main-nav {
  display: flex;
  gap: 18px;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-size: 16px;
  color: var(--color-muted);
}

.projects-toggle {
  margin-top: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-primary);
  color: #fff;
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.bg-about {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(31, 90, 135, 0.04), rgba(255, 255, 255, 0.9));
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 999px;
  padding: 4px;
}

.lang-toggle a {
  display: inline-block;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
}

.lang-toggle a.is-active {
  background: var(--color-primary);
  color: #fff;
}

.page-shell {
  max-width: 1180px;
  margin: 16px auto 24px;
  padding: 0 20px 20px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, rgba(31, 90, 135, 0.07), rgba(216, 165, 61, 0.08));
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: clamp(18px, 3vw, 30px);
  min-height: clamp(250px, 25vw, 340px);
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-transform: none;
  font-size: clamp(1.26rem, 2.17vw, 2.8rem);
  line-height: 1.08;
}

.hero-slogan {
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.hero-media img {
  width: min(70%, 350px);
  margin: 0 auto;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

.content-section {
  padding: 28px 12px 0;
}

.section-label {
  margin-bottom: 20px;
  color: var(--color-primary);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 800;
}

.lead {
  margin: 0 0 18px;
  font-size: clamp(1.3rem, 2vw, 2rem);
  color: var(--color-primary-dark);
  font-weight: 700;
}

.content-section p,
.content-section li {
  font-size: 1.02rem;
  color: var(--color-text);
}

.values-grid,
.tech-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.value-card,
.tech-group {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.value-card h3,
.tech-group h4 {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
}

.tech-stack {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tech-group {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.tech-group img {
  width: 140px;
  height: 140px;
  object-fit: contain;
}

.tech-group h4 {
  overflow-wrap: anywhere;
}

.tech-group ul {
  margin: 0;
  padding-left: 20px;
}

.vacancies {
  margin: 18px 0 0;
  padding-left: 18px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.contact-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 0.15em;
  color: var(--color-primary);
}

.contact-map {
  width: 100%;
  aspect-ratio: 16 / 7;
  min-height: 260px;
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-alt);
}

.contact-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.site-footer {
  max-width: 1180px;
  margin: 0 auto 32px;
  padding: 0 20px 10px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer-brand img {
  display: block;
  width: 80px;
  height: auto;
  object-fit: contain;
}

.footer-copy {
  margin-left: auto;
  text-align: right;
}

.ru,
.en {
  display: block;
}

body.lang-en .ru,
body:not(.lang-en) .en {
  display: none;
}

body.lang-ru .en,
body:not(.lang-ru) .ru {
  display: none;
}

body.lang-en .lang-toggle [data-language="en"],
body.lang-ru .lang-toggle [data-language="ru"] {
  background: var(--color-primary);
  color: #fff;
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .hero {
    min-height: auto;
    gap: 18px;
  }

  .main-nav {
    justify-content: center;
  }

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

@media (max-width: 620px) {
  .tech-stack {
    grid-template-columns: 1fr;
  }
}

@container (max-width: 700px) {
  .site-menu {
    position: relative;
  }

  .menu-trigger {
    display: block;
    display: grid;
    width: 44px;
    height: 40px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-primary-dark);
    font: 24px/1 sans-serif;
    cursor: pointer;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    z-index: 40;
    display: none;
    min-width: 200px;
    max-width: min(90vw, 320px);
    padding: 8px;
    transform: translateX(-50%);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface-alt);
    box-shadow: var(--shadow);
    white-space: normal;
  }

  .main-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav a {
    padding: 9px 10px;
  }
}

@media (max-width: 480px) {
  .contact-map {
    aspect-ratio: 4 / 3;
    min-height: 240px;
  }

  .site-header {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 8px;
    padding: 10px 12px;
  }

  .site-menu {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .lang-toggle {
    padding: 2px;
  }

  .lang-toggle a {
    padding: 5px 7px;
    font-size: 0.82rem;
  }
}