@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

/* ============================================================
   besthvacaeo.agency - "Signal lab"
   Dark indigo/violet canvas, light text, monospace meta chips,
   subtle grid/radar accents. Cool tech instrumentation feel.
   ============================================================ */

:root {
  --ground: #0a0d18;
  --ground-sunk: #12182b;
  --ground-raised: #1a2140;
  --ink: #e8ecff;
  --ink-2: #9aa3c7;
  --rule: #2a3358;
  --rule-strong: #4a5a8a;
  --flag: #ff7a59;
  --flag-bg: #2a1520;
  --verified: #5eead4;
  --verified-bg: #0f2a28;
  --accent: #8b5cf6;
  --accent-2: #6366f1;
  --grid-line: rgba(99, 102, 241, 0.12);
  --radar: rgba(94, 234, 212, 0.15);

  --serif: 'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
  --sans: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 68ch;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);
  --sheet: 78rem;
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.22), transparent 55%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    var(--ground);
  background-size: auto, 48px 48px, 48px 48px, auto;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.62;
  font-synthesis-weight: none;
}

.sheet {
  max-width: var(--sheet);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.measure { max-width: var(--measure); }

/* ---------- chrome ---------- */

.masthead {
  border-bottom: 1px solid var(--rule-strong);
  background: linear-gradient(90deg, rgba(99,102,241,0.18), rgba(139,92,246,0.08) 40%, transparent);
  backdrop-filter: blur(8px);
}

.masthead__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 2rem;
  padding-block: 1.1rem;
}

.wordmark {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark span { color: var(--ink-2); font-weight: 500; }

.masthead nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.4rem;
  font-family: var(--sans);
  font-size: 0.875rem;
}

.masthead nav a {
  color: var(--ink-2);
  text-decoration: none;
  padding-block: 0.15rem;
  border-bottom: 1px solid transparent;
}

.masthead nav a:hover { color: var(--ink); border-bottom-color: var(--rule-strong); }
.masthead nav a[aria-current='page'] { color: var(--ink); border-bottom-color: var(--ink); }

.colophon {
  border-top: 1px solid var(--rule-strong);
  margin-top: 5rem;
  padding-block: 2.25rem 3.5rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--ink-2);
}

.colophon p { max-width: 60ch; margin: 0 0 0.85rem; }
.colophon strong { color: var(--ink); font-weight: 500; }

/* ---------- type ---------- */

h1, h2, h3 {
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: -0.025em;
  text-wrap: balance;
  line-height: 1.14;
}

h1 {
  font-size: clamp(2rem, 1.3rem + 3vw, 3.35rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.85rem);
  margin: 3.75rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

h3 {
  font-size: 1.0625rem;
  margin: 2.25rem 0 0.5rem;
}

.standfirst {
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0 0 2rem;
}

p { margin: 0 0 1.15rem; }

a { color: inherit; text-underline-offset: 0.16em; text-decoration-color: var(--rule-strong); }
a:hover { text-decoration-color: currentColor; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 1px;
}

/* ---------- the evidence stamp: the signature ---------- */

.stamp {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28em 0.55em;
  border: 1px solid var(--accent-2);
  background: rgba(99, 102, 241, 0.12);
  color: var(--verified);
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.08) inset;
  white-space: nowrap;
  vertical-align: baseline;
}

.stamp--verified { border-color: var(--verified); background: var(--verified-bg); color: var(--verified); }
.stamp--flag { border-color: var(--flag); background: var(--flag-bg); color: var(--flag); font-weight: 500; }

/* Reveals by animating grid-template-columns from 0fr to 1fr, so the
   browser interpolates a track size rather than thrashing layout on
   max-width. The inner span carries overflow:hidden. */
.stamp__detail {
  display: inline-grid;
  grid-template-columns: 0fr;
  opacity: 0;
  text-transform: none;
  letter-spacing: 0;
  transition: grid-template-columns 420ms cubic-bezier(0.16, 1, 0.3, 1), opacity 240ms ease-out;
}

.stamp__detail > span { overflow: hidden; white-space: nowrap; }

.stamp:hover .stamp__detail,
.stamp:focus-visible .stamp__detail {
  grid-template-columns: 1fr;
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .stamp__detail { transition: none; }
}

/* ---------- the scorecard grid ---------- */

.grid-wrap { overflow-x: auto; margin-block: 1.75rem; }

table.grid {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums lining-nums;
}

table.grid caption {
  caption-side: top;
  text-align: left;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--ink-2);
  padding-bottom: 0.75rem;
  max-width: 62ch;
}

table.grid th, table.grid td {
  text-align: left;
  padding: 0.7rem 0.9rem 0.7rem 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: baseline;
}

table.grid thead th {
  border-bottom: 1px solid var(--rule-strong);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}

table.grid thead th .w {
  display: block;
  font-family: var(--mono);
  letter-spacing: 0;
  text-transform: none;
  font-size: 0.72rem;
  color: var(--ink-2);
  font-weight: 400;
}

table.grid td.num, table.grid th.num { text-align: right; padding-right: 1.1rem; font-variant-numeric: tabular-nums; }
table.grid tr.is-operator td { background: var(--ground-sunk); }

/* the criteria bar: width IS the published weight */
.bar { display: flex; gap: 2px; min-width: 8rem; }
.bar__seg {
  height: 0.6rem;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.bar__seg i {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--ink-2);
}
.bar__seg--zero { background: var(--flag-bg); box-shadow: inset 0 0 0 1px var(--flag); }

/* ---------- definition rows ---------- */

.rows { margin: 1.75rem 0 0; }

.row {
  display: grid;
  grid-template-columns: minmax(9rem, 15ch) 1fr;
  gap: 0.4rem 2rem;
  padding-block: 1.05rem;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}

.row:last-child { border-bottom: 1px solid var(--rule); }

.row > dt {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.row > dd { margin: 0; max-width: 62ch; }
.row > dd > :last-child { margin-bottom: 0; }

@media (max-width: 44rem) {
  .row { grid-template-columns: 1fr; gap: 0.3rem; }
}

/* ---------- the three-bucket argument ---------- */

.buckets { counter-reset: claim; margin-top: 1.5rem; }

.claim {
  border-top: 1px solid var(--rule);
  padding-block: 1.4rem;
  display: grid;
  grid-template-columns: 3ch 1fr;
  gap: 0 1.5rem;
}

.claim:last-child { border-bottom: 1px solid var(--rule); }

.claim::before {
  counter-increment: claim;
  content: counter(claim);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-2);
  padding-top: 0.25rem;
}

.claim > div { max-width: 62ch; }
.claim > div > :last-child { margin-bottom: 0; }

/* ---------- flags ---------- */

.flags { margin: 1.25rem 0 0; padding: 0; list-style: none; }

.flags li {
  border-top: 1px solid var(--rule);
  padding-block: 0.85rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  max-width: 70ch;
  font-family: var(--sans);
  font-size: 0.9375rem;
}

.flags li:last-child { border-bottom: 1px solid var(--rule); }

/* ---------- corrections ---------- */

.entry {
  border-top: 1px solid var(--rule);
  padding-block: 1.9rem;
}

.entry:last-of-type { border-bottom: 1px solid var(--rule); }

.entry__meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-2);
  margin-bottom: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
}

.entry h3 { margin-top: 0; }
.entry > :last-child { margin-bottom: 0; }

/* nested child rows visibly indent beneath their parent */
.entry__detail {
  margin: 0.9rem 0 0 1.75rem;
  padding-left: 1.25rem;
  border-left: 1px solid var(--rule);
  font-size: 0.98rem;
  color: var(--ink-2);
  max-width: 58ch;
}

.entry__detail > :last-child { margin-bottom: 0; }

/* ---------- links out ---------- */

.onward {
  font-family: var(--sans);
  font-size: 0.9375rem;
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
}

.onward a { color: var(--ink); }

/* ---------- utilities ---------- */

.lede-rule { border: 0; border-top: 1px solid var(--rule-strong); margin: 2.5rem 0 0; }
.note { font-family: var(--sans); font-size: 0.9375rem; color: var(--ink-2); max-width: 62ch; }
.skip {
  position: absolute; left: -9999px;
  font-family: var(--sans); font-size: 0.875rem;
}
.skip:focus { left: var(--gutter); top: 0.5rem; background: var(--ground); padding: 0.5rem 0.75rem; border: 1px solid var(--ink); z-index: 10; }

main { padding-block: clamp(2.5rem, 5vw, 4.5rem) 0; }

/* footer engine index */
.engine-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.4rem;
  align-items: baseline;
  padding-bottom: 1.6rem;
  margin-bottom: 1.6rem;
  border-bottom: 1px solid var(--rule);
}
.engine-index > span { color: var(--ink-2); }
.engine-index a { color: var(--ink); text-decoration-color: var(--rule-strong); }

/* ---------- leaderboard polish: hover, top-3, sticky cols, mobile cards ---------- */

table.grid tbody tr:hover td,
table.grid tbody tr:hover th {
  background: var(--ground-sunk);
}
table.grid tbody tr.is-top td,
table.grid tbody tr.is-top th {
  background: color-mix(in srgb, var(--verified-bg) 70%, transparent);
}
table.grid tbody tr.is-top:hover td,
table.grid tbody tr.is-top:hover th {
  background: var(--verified-bg);
}
.medal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding-inline: 0.25rem;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--ground);
}
tr.is-top .medal { border-color: var(--verified); color: var(--verified); }

.grid-wrap .sticky-col {
  position: sticky;
  left: 0;
  background: var(--ground);
  z-index: 1;
}
.grid-wrap .sticky-col--name { left: 2.5rem; }
table.grid thead .sticky-col { z-index: 2; background: var(--ground); }
table.grid tbody tr:hover .sticky-col,
table.grid tbody tr.is-top .sticky-col {
  background: inherit;
}

.board-cards {
  display: none;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  font-family: var(--sans);
}
.board-cards > li {
  border-top: 1px solid var(--rule);
  padding: 1rem 0;
}
.board-cards > li.is-top {
  background: color-mix(in srgb, var(--verified-bg) 55%, transparent);
  margin-inline: -0.5rem;
  padding-inline: 0.5rem;
  border-radius: 2px;
}
.card-top {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
}
.card-rank {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--ink-2);
  min-width: 1.75rem;
}
.card-name {
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}
.card-name:hover { text-decoration: underline; }
.card-sub {
  display: block;
  font-size: 0.8125rem;
  color: var(--ink-2);
  margin-top: 0.15rem;
}
.card-crits {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.35rem 0.5rem;
  margin: 0.75rem 0 0;
  padding: 0;
}
.card-crits div { margin: 0; }
.card-crits dt {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.card-crits dd {
  margin: 0.1rem 0 0;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.faq {
  margin: 1.25rem 0 0;
  max-width: var(--measure);
  font-family: var(--sans);
}
.faq details {
  border-top: 1px solid var(--rule);
  padding-block: 0.85rem;
}
.faq details:last-child { border-bottom: 1px solid var(--rule); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}
.faq details p {
  margin: 0.6rem 0 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.masthead nav a:focus-visible,
.colophon a:focus-visible,
table.grid a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* Reserve bar track height to limit CLS */
.bar { min-height: 0.6rem; }
.bar__seg { min-height: 0.6rem; }

@media (max-width: 45rem) {
  .grid-wrap { display: none; }
  .board-cards { display: block; }
  .masthead__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .masthead nav { margin-left: 0; }
}


/* ---------- directory chrome (homepage) ---------- */

.wordmark-dir {
  font-style: normal;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-left: 0.45rem;
  vertical-align: middle;
}

.dir-hero {
  padding-block: 1.75rem 0.5rem;
}
.dir-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
  margin: 0 0 0.85rem;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-2);
}
.dir-kicker__label {
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
.dir-kicker__sep { opacity: 0.55; }

.dir-hero h1 {
  max-width: 18ch;
  margin-bottom: 0.75rem;
}
.dir-hero .standfirst {
  margin-bottom: 1.1rem;
}

.dir-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 0.5rem;
  font-family: var(--sans);
}
.dir-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--accent-2);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--verified);
  text-decoration: none;
  background: rgba(26, 33, 64, 0.85);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
}
.dir-chip:hover {
  border-color: var(--verified);
  background: rgba(99, 102, 241, 0.25);
  color: var(--ink);
}

.dir-listings {
  margin-top: 1.75rem;
}
.dir-listings__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  margin-bottom: 0.25rem;
}
.dir-listings__head h2 {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 1.15rem;
}
.dir-listings__meta {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-2);
}

.row-meta {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--ink-2);
  margin-top: 0.15rem;
  letter-spacing: 0;
}

.dir-more {
  margin: 1.75rem 0 0;
  font-family: var(--sans);
  font-size: 0.9375rem;
  color: var(--ink-2);
}
.dir-more summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}
.dir-more summary::-webkit-details-marker { display: none; }
.dir-more p { margin: 0.75rem 0 0; }


/* ---------- Signal lab accents ---------- */
.dir-hero {
  position: relative;
  padding-block: 2.25rem 1rem;
}
.dir-hero::before {
  content: '';
  position: absolute;
  right: 0;
  top: 0.5rem;
  width: min(220px, 40vw);
  height: min(220px, 40vw);
  border-radius: 50%;
  border: 1px solid var(--radar);
  background:
    radial-gradient(circle at 50% 50%, transparent 58%, rgba(94,234,212,0.08) 59%, transparent 60%),
    repeating-radial-gradient(circle at 50% 50%, transparent 0, transparent 18px, rgba(99,102,241,0.12) 19px, transparent 20px);
  pointer-events: none;
  opacity: 0.9;
}
.dir-kicker {
  font-family: var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.7rem;
}
.dir-kicker__label {
  color: var(--verified);
  border: 1px solid var(--verified);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
}
.dir-hero h1 {
  font-family: var(--sans);
  background: linear-gradient(120deg, #e8ecff 20%, #a5b4fc 55%, #5eead4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 16ch;
}
table.grid thead th {
  background: var(--ground-raised);
  color: var(--verified);
  border-bottom-color: var(--accent-2);
}
table.grid tbody tr.is-top td,
table.grid tbody tr.is-top th {
  background: rgba(94, 234, 212, 0.08);
}
.medal {
  border-color: var(--verified);
  color: var(--verified);
  background: rgba(94, 234, 212, 0.1);
  box-shadow: 0 0 8px rgba(94, 234, 212, 0.2);
}
.colophon {
  background: linear-gradient(180deg, transparent, rgba(18, 24, 43, 0.95));
  border-top: 1px solid var(--accent-2);
}
.wordmark {
  font-family: var(--sans);
  letter-spacing: -0.03em;
}
.wordmark span { color: var(--accent); }
.bar__seg i { background: var(--verified); }
.bar__seg { background: var(--rule); }