@font-face {
  font-family: 'Lexend';
  src: url('/assets/assets/fonts/Lexend-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Lexend';
  src: url('/assets/assets/fonts/Lexend-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-display: swap;
}

:root {
  --primary: #003f87;
  --text: #191c1d;
  --text-secondary: #727784;
  --surface: #f8f9fa;
  --card: #ffffff;
  --outline: #c2c6d4;
  --error: #ba1a1a;
  --success: #005a73;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  font-family: 'Lexend', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.6;
}

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

.site-header {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
}

.content {
  max-width: 720px;
  margin: 24px auto;
  padding: 32px;
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: 16px;
}

h1 {
  margin: 0 0 24px;
  color: var(--primary);
  font-size: 28px;
}

h2 {
  margin: 24px 0 8px;
  font-size: 17px;
  font-weight: 600;
}

section p {
  margin: 0;
}

section p + p {
  margin-top: 10px;
}

section ul {
  margin: 8px 0 0;
  padding-left: 22px;
}

section li + li {
  margin-top: 4px;
}

.toc {
  margin-bottom: 8px;
  font-size: 14px;
}

.toc ol {
  margin: 0;
  padding-left: 22px;
  columns: 2;
  column-gap: 32px;
}

h2[id],
section[id] {
  scroll-margin-top: 16px;
}

code {
  font-size: 0.9em;
}

@media (max-width: 600px) {
  .toc ol {
    columns: 1;
  }
}

.meta,
.hint {
  color: var(--text-secondary);
  font-size: 14px;
}

.meta {
  margin-top: 32px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 24px;
}

.contact-form label {
  font-weight: 600;
  font-size: 14px;
  margin-top: 10px;
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--outline);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form button {
  align-self: flex-start;
  margin-top: 12px;
  padding: 10px 20px;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.contact-form button:disabled {
  opacity: 0.6;
  cursor: default;
}

.status {
  min-height: 1.6em;
  margin: 8px 0 0;
  font-size: 14px;
}

.status-error {
  color: var(--error);
}

.status-success {
  color: var(--success);
}

.site-footer {
  max-width: 720px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 14px;
}

@media (max-width: 600px) {
  .content {
    margin: 16px;
    padding: 20px;
  }
}