@font-face {
  font-family: 'Segoe UI';
  src: local('Segoe UI'), local('SegoeUI'), url('../fonts/SegoeUI.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('../fonts/IBMPlexSans-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
}

:root {
  color-scheme: dark;
  --background: #0a0c0f;
  --text: #d1d5db;
  --heading: #f1f1f1;
  --link: #50a0e8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--background);
  color: var(--text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 12, 15, 0.92);
  backdrop-filter: blur(12px);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 4rem;
  padding: 0 1.5rem;
  text-decoration: none;
}

.site-logo {
  height: 1.75rem;
  width: auto;
}

.site-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--heading);
}

.content {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.content :is(h1, h2, h3, h4, h5, h6) {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--heading);
}

.content h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 1rem;
}

.content :is(p, li, blockquote) {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
}

.content p {
  margin: 0 0 1.25rem;
}

.content :is(strong, b) {
  font-weight: 700;
}

.content a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95em;
}

.fsck-home {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 30vh;
  max-width: none;
  margin: 0 -1.5rem 2rem;
}

.fsck-hero {
  display: inline-flex;
  align-items: flex-start;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  flex-wrap: nowrap;
  max-width: 100%;
}

.fsck-logo {
  width: min(70vw, 420px);
  height: auto;
  flex: none;
}

.fsck-wordmark {
  display: flex;
  flex-direction: column;
  flex: none;
  padding-top: 3em;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 0.95;
  text-align: left;
}

.fsck-wordmark-line {
  font-size: clamp(3rem, 8vw, 5rem);
  color: var(--heading);
}