/* Mobile-first, black/white only */

:root {
  --bg: #000;
  --fg: #fff;
  --paper: #fff;
  --ink: #000;

  --wrap: 44rem;
  --pad: 1rem;
  --line: 1.6;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, sans-serif;
  line-height: var(--line);
}

/* Links: white, underlined */
a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.1em;
}

a:focus {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

/* Floating fixed header (aligned with content) */
.site-header {
  position: fixed;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;

  width: min(var(--wrap), 100%);
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);

  padding: 0.75rem var(--pad);
}

.site-header .site-title {
  display: block;
  text-align: right;

  color: var(--ink);
  text-decoration: none; /* keep header clean */
  font-weight: 700;
  letter-spacing: 0.02em;

  font-size: clamp(1.4rem, 4vw, 2.2rem);
  line-height: 1.1; white-space: nowrap;
}

/* Main wrapper */
.wrap {
  width: min(var(--wrap), 100%);
  margin: 0 auto;
  padding: var(--pad);
}

/* Give content breathing room so it doesn't hide under the header on small screens */
main.wrap {
  padding-top: 5rem;
}

.section-title {
  margin: 1.5rem 0 0.5rem 0;
  font-weight: 700;
  font-size: clamp(1.4rem, 4vw, 2.2rem);
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  /* padding: 0.75rem 0; */
  padding: 2.0rem 0;
}

.post-list li:not(:last-child) {
  border-bottom: 1px solid var(--fg);
}

.site-footer {
  padding-top: 2rem;
  padding-bottom: 2rem;
  opacity: 0.95;
}

/* Post typography */
.post h1 {
  /* margin: 0 0 0.5rem 0; */
  margin: 2.0rem 0 1.0rem 0;
  font-size: 1.3rem;
  line-height: 1.2;
}

.post-meta {
  margin: 2rem 0 0 0;
  font-size: 0.95rem;
  text-align: right;
  font-style: italic;
}

.post p {
  margin: 0 0 1rem 0;
  font-size: 1.05rem;
}

.post blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--fg);
}

/* Optional media styling (still only black/white) */
.post img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--fg);
}

/* Slightly roomier on larger screens */
@media (min-width: 48rem) {
  :root {
    --pad: 1.25rem;
  }

  .post h1 {
    font-size: 2rem;
  }
}