:root {
  --color-ink: #081b2b;
  --color-blue: #0a56e8;
  --color-blue-dark: #0847bf;
  --color-green: #128a3a;
  --color-coral: #e55745;
  --color-border: #d7dde7;
  --color-muted: #56657a;
  --color-soft: #f4f7fb;
  --color-white: #fff;
  --radius-sm: 6px;
  --radius-md: 10px;
  --focus-ring: 0 0 0 3px rgba(10, 86, 232, 0.24);
  --font-heading: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, serif;
  --font-body: "Avenir Next", Avenir, "Segoe UI Variable Text", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  min-width: 320px;
  color: var(--color-ink);
  background: var(--color-white);
  font-family: var(--font-body);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  font-size: 16px;
  line-height: 1.62;
}

body,
button,
input,
textarea {
  font-family: var(--font-body);
}

a {
  color: var(--color-blue);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-blue-dark);
}

button,
a,
input,
textarea,
summary {
  outline: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  border-radius: var(--radius-sm);
  box-shadow: var(--focus-ring);
}

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: #fff;
  background: var(--color-ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
}

.site-header__inner,
.site-footer__inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.site-header__inner {
  min-height: 74px;
  gap: 36px;
}

.wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.045em;
  text-decoration: none;
}

.primary-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.primary-nav a,
.private-session,
.site-footer a,
.site-footer span {
  color: var(--color-muted);
  font-size: 0.86rem;
  text-decoration: none;
}

.primary-nav a,
.site-footer a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.primary-nav a:hover,
.site-footer a:hover {
  color: var(--color-ink);
}

.private-session {
  display: flex;
  align-items: center;
  gap: 7px;
}

.private-session svg {
  width: 17px;
  height: 17px;
}

.mobile-menu {
  display: none;
}

main {
  flex: 1;
}

.messages {
  width: min(760px, calc(100% - 40px));
  margin: 18px auto 0;
}

.message {
  margin: 0;
  padding: 12px 16px;
  border-left: 3px solid var(--color-green);
  background: #f2faf5;
}

.demo-notice {
  display: grid;
  gap: 2px;
  margin: 22px 0;
  padding: 14px 16px;
  border: 1px solid #f0cf72;
  border-radius: var(--radius-sm);
  color: #553b00;
  background: #fff8df;
}

.demo-notice strong {
  font-size: 0.9rem;
}

.demo-notice span {
  font-size: 0.86rem;
}