/* wh1sky02.github.io — Field Notes, an editorial paper layout */
:root {
  --base: #FAF8F5;
  --ink: #171614;
  --rule: #D8D2C8;
  --accent: #14532D;
  --note: #8A7E6F;
  --serif: "Newsreader", Georgia, serif;
  --mono: "Space Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--base);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
::selection { background: var(--ink); color: var(--base); }

/* ---------- masthead ---------- */
.masthead {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--note);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 28px;
  border-block-end: 1px solid var(--ink);
}

.mh-mid { color: var(--accent); font-weight: 700; }

/* ---------- paper ---------- */
.paper {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- title block ---------- */
.title-block {
  padding-block: 64px 44px;
}

.paper-title {
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.abstract {
  margin-block-start: 28px;
  display: flex;
  gap: 10px;
}

.abstract-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  flex: none;
}

.abstract p { font-size: 1.06rem; }

.authors {
  margin-block-start: 34px;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px;
  border-block-start: 1px solid var(--rule);
  padding-block-start: 20px;
  font-size: 0.95rem;
}

.authors .role {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--note);
  margin-block-start: 2px;
}

/* ---------- contents ---------- */
.toc {
  border-block: 3px double var(--rule);
  padding-block: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 22px;
}

.toc-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
}

.toc a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink);
}
.toc a:hover { color: var(--accent); }

/* ---------- sections ---------- */
.section {
  padding-block: 56px 4px;
  border-block-start: 1px solid var(--rule);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-block-end: 14px;
}

.section-head .num {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent);
}

.section-head h2 {
  font-size: 1.35rem;
  font-weight: 600;
}

.section-rule { flex: 1; height: 1px; background: var(--rule); }

.lede {
  margin-block-start: 14px;
  color: var(--note);
  max-width: 58ch;
  font-size: 1.02rem;
}

/* ---------- entries ---------- */
.entries { margin-block-start: 26px; }

.entry {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 22px 20px;
  padding-block: 22px 22px;
  border-block-start: 1px solid var(--rule);
}

.entry:first-child { border-block-start: none; }

.entry-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: start;
}

.entry-head a {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.9rem;
}
.entry-head a:hover { color: var(--accent); }

.tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border: 1px solid var(--rule);
  color: var(--note);
  white-space: nowrap;
}
.tag.cve { border-color: var(--accent); color: var(--accent); }
.tag.live { border-color: var(--accent); color: var(--accent); text-decoration: underline; }

.entry-abs { font-size: 1rem; }

.entry-kw {
  font-size: 0.85rem;
  color: var(--note);
}

/* ---------- credentials ---------- */
.two-col {
  margin-block-start: 26px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.sub-head {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--note);
}

.cert-list {
  list-style: none;
  margin-block-start: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.98rem;
}

.cert {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--accent);
  margin-inline-end: 10px;
}

.ev-list {
  margin-block-start: 14px;
  padding-inline-start: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.98rem;
}

/* ---------- now ---------- */
.now-list {
  list-style: none;
  margin-block-start: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.now-list li {
  border-inline-start: 2px solid var(--accent);
  padding-inline-start: 16px;
  max-width: 62ch;
}

/* ---------- contact ---------- */
.contact-list {
  list-style: none;
  margin-block-start: 20px;
  font-family: var(--mono);
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-list a { border-block-end: 1px solid transparent; }
.contact-list a:hover { border-block-end-color: var(--accent); }
.contact-list .muted { color: var(--note); }

.colophon {
  margin-block-start: 48px;
  padding-block: 20px 56px;
  border-block-start: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--note);
  letter-spacing: 0.02em;
}

/* ---------- fade-in ---------- */
@media (prefers-reduced-motion: no-preference) {
  .paper { animation: fade-in 0.6s ease both; }
  @keyframes fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
  }
}

/* ---------- mobile ---------- */
@media (max-width: 680px) {
  .masthead { flex-direction: column; gap: 4px; padding: 12px 18px; }
  .paper { padding: 0 18px; }
  .title-block { padding-block: 40px 32px; }
  .authors { grid-template-columns: 1fr; }
  .entry { grid-template-columns: 1fr; gap: 10px; }
  .two-col { grid-template-columns: 1fr; gap: 28px; }
  .section { padding-block: 40px 0; }
}