:root {
  --bg: #050505;
  --surface: #0b0b0b;
  --surface-soft: #111111;
  --text: #e6e6e6;
  --muted: #8a8a8a;
  --border: #242424;
  --accent: #39ff14;
  --danger: #ff4d4d;
  --max-width: 980px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration-color: var(--border);
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

h1,
h2,
p {
  margin-top: 0;
}

.shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

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

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}

.site-title {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-title::before {
  content: "$ ";
  color: var(--accent);
}

.site-nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-nav a,
.site-footer a,
.section-heading a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.86rem;
  text-decoration: none;
}

.hero {
  padding: clamp(56px, 10vw, 112px) 0 48px;
}

.meta-line {
  margin-bottom: 14px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.84rem;
}

.hero h1 {
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: clamp(2.8rem, 10vw, 6.2rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.lede {
  max-width: 680px;
  margin-bottom: 28px;
  color: var(--text);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.terminal-block,
.note-block {
  border: 1px solid var(--border);
  background: var(--surface);
}

.terminal-block {
  max-width: 760px;
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.7;
}

.terminal-block code {
  font-family: inherit;
}

.prompt {
  color: var(--accent);
}

.section {
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.section h2 {
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.96rem;
  font-weight: 700;
}

.section h2::before {
  content: "## ";
  color: var(--accent);
  font-weight: 500;
}

.log-list,
.archive-list,
.focus-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.log-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}

.log-list li {
  display: grid;
  grid-template-columns: 112px 96px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.log-list time,
.log-list span,
.archive-list span,
.focus-list li {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.84rem;
}

.log-list a {
  text-decoration: none;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  gap: 48px;
}

.archive-list {
  border-top: 1px solid var(--border);
}

.archive-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.archive-list a {
  text-decoration: none;
}

.focus-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.focus-list li {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 4px 9px;
}

.note-block {
  margin: 36px 0 72px;
  padding: 18px;
}

.note-block p:last-child {
  max-width: 720px;
  margin-bottom: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.84rem;
}

@media (max-width: 760px) {
  .header-inner,
  .footer-inner,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-inner,
  .footer-inner {
    padding: 18px 0;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .log-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}