* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #071020;
  color: #eef8ff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: #6fe8ff;
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(135deg, rgba(67, 222, 248, 0.10) 0 18%, transparent 18% 100%),
    linear-gradient(180deg, #0f1d38 0%, #06101d 100%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 24px;
}

.brand {
  color: #f3fbff;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.links {
  display: flex;
  gap: 18px;
  font-size: 15px;
}

.nav-groups {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}

.links a,
.language-menu summary,
.language-options a {
  color: #c5deea;
  text-decoration: none;
}

.links a[aria-current="page"],
.language-options a[aria-current="page"] {
  color: #f3fbff;
}

.language-menu {
  position: relative;
  border-left: 1px solid rgba(111, 232, 255, 0.24);
  padding-left: 16px;
  font-size: 13px;
}

.language-menu summary {
  display: inline-flex;
  min-width: 104px;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid rgba(111, 232, 255, 0.34);
  border-radius: 8px;
  padding: 7px 10px 7px 12px;
  background: rgba(4, 13, 22, 0.58);
  cursor: pointer;
  list-style: none;
}

.language-menu summary::-webkit-details-marker {
  display: none;
}

.language-menu summary:focus-visible,
.language-options a:focus-visible {
  outline: 2px solid #9bf3ff;
  outline-offset: 3px;
}

.chevron {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 140ms ease;
}

.language-menu[open] .chevron {
  transform: rotate(180deg);
}

.language-menu:not([open]) .language-options {
  display: none;
}

.language-options {
  position: absolute;
  z-index: 20;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  min-width: 164px;
  max-height: min(320px, 62vh);
  overflow-y: auto;
  border: 1px solid rgba(111, 232, 255, 0.28);
  border-radius: 8px;
  padding: 6px;
  background: #04101c;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
}

.language-options a {
  display: flex;
  min-height: 36px;
  align-items: center;
  border-radius: 6px;
  padding: 8px 10px;
}

.language-options a:hover,
.language-options a[aria-current="page"] {
  background: rgba(111, 232, 255, 0.12);
}

.hero,
.content {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 44px 24px;
}

.hero {
  min-height: 62vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 460px);
  align-items: center;
  gap: 44px;
}

.hero h1,
.content h1 {
  margin: 0 0 18px;
  font-size: clamp(48px, 9vw, 92px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p,
.lead {
  max-width: 650px;
  color: #c5deea;
  font-size: 21px;
}

.hero img {
  width: 100%;
  border: 1px solid rgba(111, 232, 255, 0.38);
  border-radius: 8px;
  box-shadow: 0 22px 80px rgba(16, 216, 244, 0.20);
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  border: 1px solid rgba(111, 232, 255, 0.44);
  border-radius: 8px;
  padding: 10px 18px;
  color: #f5fcff;
  background: rgba(10, 30, 45, 0.72);
  text-decoration: none;
  font-weight: 700;
}

.content {
  max-width: 860px;
}

.content h2 {
  margin-top: 38px;
  color: #9bf3ff;
  font-size: 24px;
}

.content p,
.content li {
  color: #d5e8f2;
}

.content ul {
  padding-left: 22px;
}

.panel {
  border: 1px solid rgba(111, 232, 255, 0.24);
  border-radius: 8px;
  padding: 22px;
  background: rgba(4, 13, 22, 0.72);
}

.section-title,
.contact-line,
.status-line,
.privacy-line,
.icon-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.section-title {
  align-items: center;
}

.icon,
.inline-icon {
  width: 1.08em;
  height: 1.08em;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.inline-icon {
  margin-top: 0.22em;
}

.icon-list {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
  padding-left: 0;
  list-style: none;
}

.icon-list li {
  margin: 0;
}

.icon-list strong {
  color: #eef8ff;
}

.footer {
  width: 100%;
  max-width: 1040px;
  margin: auto auto 0;
  padding: 36px 24px 50px;
  color: #8fa9b8;
  font-size: 14px;
  text-align: center;
}

@media (max-width: 780px) {
  .nav {
    align-items: flex-start;
  }

  .nav-groups {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 20px;
  }

  .links {
    gap: 12px;
    font-size: 14px;
  }

  .language-menu {
    padding-left: 0;
    border-left: 0;
  }

  .language-menu summary {
    min-width: 112px;
  }

  .language-options {
    left: 0;
    right: auto;
  }
}