:root {
  color-scheme: light;
  --ink: #15162a;
  --purple: #3a3293;
  --deep-blue: #26358f;
  --sky: #46b7e8;
  --sky-soft: #eaf8fe;
  --soft: #f7f8fc;
  --white: #ffffff;
  --muted: #666b7d;
  --line: #dce2ef;
  --shadow: 0 22px 60px rgba(38, 53, 143, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
}

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

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

.wrap {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.wide-wrap {
  width: min(1800px, calc(100% - 12px));
  margin: 0 auto;
}

.topbar {
  background: var(--deep-blue);
  color: var(--white);
  font-size: 0.93rem;
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 42px;
}

.topbar strong {
  color: var(--sky);
}

.socials {
  display: flex;
  gap: 14px;
  font-weight: 700;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.header > .wrap,
.logo-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 104px;
  padding: 0;
}

.logo {
  width: min(560px, 82vw);
}

.nav-toggle {
  display: none;
}

.nav-close {
  display: none;
}

.nav-band {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.nav-band .wrap {
  min-height: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 100%;
  color: var(--deep-blue);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-height: 52px;
  padding: 0 18px;
  border-left: 1px solid var(--line);
  transition: color 160ms ease, background 160ms ease;
}

.nav > a:last-child {
  border-right: 1px solid var(--line);
}

.nav a:hover,
.nav a.active {
  color: var(--white);
  background: var(--purple);
}

@media (max-width: 920px) {
  .header {
    position: sticky;
  }

  .header > .wrap,
  .logo-row {
    justify-content: center;
    min-height: auto;
    padding: 18px 0;
  }

  .topbar .wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-toggle {
    position: absolute;
    left: 0;
    top: 50%;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 42px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--deep-blue);
    background: var(--white);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transform: translateY(-50%);
  }

  .nav-toggle-lines,
  .nav-toggle-lines::before,
  .nav-toggle-lines::after {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
  }

  .nav-toggle-lines {
    position: relative;
  }

  .nav-toggle-lines::before,
  .nav-toggle-lines::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .nav-toggle-lines::before {
    top: -6px;
  }

  .nav-toggle-lines::after {
    top: 6px;
  }

  .logo {
    width: min(380px, 58vw);
  }

  .nav-band {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    width: min(84vw, 340px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-top: 0;
    border-right: 1px solid var(--line);
    box-shadow: 24px 0 60px rgba(21, 22, 42, 0.24);
    transform: translateX(-105%);
    transition: transform 220ms ease;
  }

  body.nav-open .nav-band {
    transform: translateX(0);
  }

  body.nav-open {
    overflow: hidden;
  }

  .nav-band .wrap {
    position: relative;
    z-index: 101;
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 0;
  }

  .nav-close {
    display: inline-flex;
    align-self: flex-end;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    margin: 14px 16px 8px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--muted);
    background: var(--white);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
  }

  .nav {
    display: grid;
    align-content: start;
    width: 100%;
    padding-top: 0;
    overflow-x: visible;
    white-space: nowrap;
  }

  .nav > a {
    flex: none;
    min-width: 0;
  }

  .nav a {
    position: relative;
    z-index: 102;
    justify-content: flex-start;
    min-height: 58px;
    padding: 0 24px;
    border-left: 0;
    border-top: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav > a:last-child {
    border-right: 0;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(100% - 24px, 460px);
  }

  .wide-wrap {
    width: calc(100% - 12px);
  }

  .topbar .wrap {
    gap: 8px;
    padding: 10px 0;
  }

  .logo {
    width: min(240px, 56vw);
  }

  .header > .wrap,
  .logo-row {
    min-height: auto;
    padding: 18px 0;
  }

  .nav {
    font-size: 0.74rem;
  }

  .nav > a {
    flex-basis: auto;
  }

  .nav a {
    min-height: 56px;
    padding: 0 22px;
  }

}