:root {
  --ink: #3f2d57;
  --ink-soft: #6b5a82;
  --accent: #f2629b;
  --card: rgba(255, 255, 255, 0.86);
  --line: rgba(63, 45, 87, 0.12);
  --bg: linear-gradient(135deg, #ffe3ef 0%, #ece3ff 50%, #dcf0ff 100%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f4ecff;
    --ink-soft: #cbbde0;
    --accent: #ff85b5;
    --card: rgba(40, 30, 58, 0.86);
    --line: rgba(244, 236, 255, 0.14);
    --bg: linear-gradient(135deg, #2b1f3d 0%, #231d3a 50%, #1b2638 100%);
  }
}

* { box-sizing: border-box; }

html { background: #ece3ff; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 16px 56px;
}

header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

header img {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  box-shadow: 0 6px 18px rgba(63, 45, 87, 0.22);
  flex: none;
}

h1 { margin: 0; font-size: 34px; line-height: 1.15; }
header p { margin: 4px 0 0; color: var(--ink-soft); }

nav { margin-top: 8px; font-size: 15px; }
nav a { margin-right: 14px; }

section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px 24px;
  margin-bottom: 18px;
}

h2 { margin: 0 0 8px; font-size: 22px; }
h3 { margin: 18px 0 4px; font-size: 17px; }
p, ul { margin: 0 0 10px; }
ul { padding-left: 22px; }

a { color: var(--accent); font-weight: 600; text-decoration: none; }
a:hover { text-decoration: underline; }

.lang { font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }

footer { color: var(--ink-soft); font-size: 14px; text-align: center; margin-top: 26px; }