*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

p {
  margin: 0;
}

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

a:hover {
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
  padding: 0;
}

svg {
  display: block;
  flex: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

::selection {
  background: var(--accent-soft);
}

/* Фоновые градиентные пятна */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% -20%, rgba(123, 140, 255, 0.16), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}

.orb-1 {
  width: 46vw;
  height: 46vw;
  top: -14vw;
  left: -8vw;
  background: radial-gradient(circle, rgba(123, 140, 255, 0.5), transparent 65%);
}

.orb-2 {
  width: 38vw;
  height: 38vw;
  top: 12vw;
  right: -10vw;
  background: radial-gradient(circle, rgba(47, 224, 189, 0.32), transparent 65%);
}

:root[data-theme='light'] .orb {
  opacity: 0.35;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.skip-link:focus {
  left: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.muted {
  color: var(--muted);
}

.faint {
  color: var(--faint);
}

[hidden] {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}