* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  --bg-color: #f6f5fb;
  --surface-color: rgba(255, 255, 255, 0.86);
  --surface-border: rgba(98, 112, 199, 0.16);
  --text-color: #18142a;
  --muted-color: #5b5570;
  --accent-color: #6270c7;
  --accent-strong: #6c67c9;
  --accent-soft: rgba(98, 112, 199, 0.10);
  --accent-warm: #f8ccb4;
  --shadow-color: rgba(35, 26, 70, 0.12);
  --media-bg: #120f22;

  margin: 0;
  background: linear-gradient(180deg, #f6f5fb 0%, #f3eeff 54%, #f8f4ef 100%);
  color: var(--text-color);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

.wrapper {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  background: var(--surface-color);
  color: var(--text-color);
  text-decoration: none;
}

.site-nav a.active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-strong) 100%);
  color: #fff;
}

.language-switcher {
  display: flex;
  justify-content: flex-end;
}

.lang-select {
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  background: var(--surface-color);
  color: var(--text-color);
}

.lang-section {
  display: none;
  padding: 28px;
  border: 1px solid var(--surface-border);
  border-radius: 24px;
  background: var(--surface-color);
  box-shadow: 0 18px 48px var(--shadow-color);
  backdrop-filter: blur(16px);
}

.lang-section.active {
  display: block;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 42px);
}

h3 {
  margin: 28px 0 10px;
  font-size: 20px;
}

p,
div,
li {
  line-height: 1.72;
  color: var(--muted-color);
}

strong {
  color: var(--text-color);
}

.meta,
.footer {
  margin-top: 24px;
  font-size: 14px;
  color: var(--muted-color);
}

.footer-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--surface-border);
}

.footer-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted-color);
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  body {
    --bg-color: #120f22;
    --surface-color: rgba(29, 22, 48, 0.86);
    --surface-border: rgba(190, 178, 240, 0.18);
    --text-color: #f6f1ff;
    --muted-color: #d8d2ea;
    --accent-color: #beb2f0;
    --accent-strong: #a895e0;
    --accent-soft: rgba(190, 178, 240, 0.12);
    --accent-warm: #f8ccb4;
    --shadow-color: rgba(0, 0, 0, 0.34);
    --media-bg: #0f0b1d;

    background: linear-gradient(180deg, #120f22 0%, #1d1630 58%, #211d31 100%);
  }
}