/* bestaiinterviewcopilot.com: "spec sheet" reference library. Graphite, lime, mono labels. */
:root {
  --ink: #15171a;
  --ink-2: #2a2d31;
  --paper: #f2f1eb;
  --panel: #ffffff;
  --line: #d8d6cb;
  --muted: #5a5d56;
  --lime: #c8f03c;
  --lime-soft: #eef9c8;
  --link: #335c0c;
  --head: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --wrap: 1160px;
  --read: 720px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 var(--body);
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: var(--link); text-underline-offset: 3px; overflow-wrap: anywhere; }
a:hover { color: var(--ink); }
h1, h2, h3, h4 { font-family: var(--head); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 700; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.75rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25em; margin: 0 0 1em; }
li { margin-bottom: 0.4em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--lime); color: var(--ink); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; }

/* Header */
.site-header { background: var(--ink); color: var(--paper); border-bottom: 1px solid #2c2f33; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 14px 20px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand-wrap { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--paper); text-decoration: none; font: 600 1.05rem var(--head); }
.brand-mark { width: 28px; height: 28px; border-radius: 6px; background: var(--lime); color: var(--ink); display: grid; place-items: center; font: 700 0.8rem var(--mono); }
.brand-tag { font: 500 0.7rem var(--mono); text-transform: uppercase; letter-spacing: 0.07em; color: var(--lime); text-decoration: none; border: 1px solid #45493d; border-radius: 999px; padding: 3px 9px; }
.brand-tag:hover { color: #fff; border-color: var(--lime); }
.site-nav ul { display: flex; gap: 6px 18px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.site-nav li { margin: 0; }
.site-header .site-nav a { color: #d8dbd2; text-decoration: none; font: 500 0.8rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
.site-header .site-nav a:hover, .site-header .site-nav a[aria-current="page"] { color: var(--lime); }

/* Home hero */
.hero { background: var(--ink); color: var(--paper); padding: 36px 0 34px; }
.hero h1 { color: #fff; max-width: 20ch; }
.hero .kicker { color: var(--lime); }
.hero .byline { color: #a9ada3; margin: 14px 0 0; }
.hero .brief { max-width: 860px; }
.kicker { font: 500 0.76rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 10px; }
.byline { font: 400 0.82rem var(--mono); color: var(--muted); margin: 12px 0 0; }

/* Answer in brief */
.brief { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-left: 6px solid var(--lime); border-radius: 10px; padding: 18px 22px; margin: 18px 0 4px; }
.brief-label { font: 600 0.74rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 6px; }
.brief-text { font-size: 1.08rem; line-height: 1.6; margin: 0; }
.brief-note { font-size: 0.88rem; color: var(--muted); margin: 10px 0 0; padding-top: 10px; border-top: 1px dashed var(--line); }

/* Two-column library layout */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 44px; padding-top: 26px; padding-bottom: 8px; align-items: start; }
.main-col { min-width: 0; max-width: 780px; }
.side-col { position: sticky; top: 18px; }
@media (max-width: 1000px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .side-col { position: static; }
}

/* Breadcrumbs */
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 0; padding: 0; margin: 0 0 14px; font: 400 0.8rem var(--mono); color: var(--muted); }
.crumbs li { margin: 0; }
.crumbs li + li::before { content: "/"; margin: 0 8px; color: #a3a69b; }
.crumbs a { color: var(--muted); }

.entry-head { margin-bottom: 18px; }
.entry-head h1 { max-width: 22ch; }

/* In this entry */
.toc { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin: 0 0 22px; }
.toc-label { font: 600 0.74rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 6px; }
.toc ol { margin: 0; padding-left: 0; list-style: none; counter-reset: toc; columns: 2 260px; column-gap: 24px; }
.toc li { counter-increment: toc; margin: 0 0 4px; break-inside: avoid; font-size: 0.93rem; }
.toc li::before { content: counter(toc, decimal-leading-zero); font: 500 0.75rem var(--mono); color: var(--muted); margin-right: 8px; }

/* Entity chain */
.chain { font: 500 0.82rem var(--mono); margin: 0 0 26px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chain a { background: var(--lime-soft); color: var(--ink); text-decoration: none; padding: 3px 9px; border-radius: 6px; border: 1px solid #d5e6a0; }
.chain a:hover { background: var(--lime); }
.chain-sep { color: var(--muted); }

/* Sections and blocks */
.entry-section, .block { margin: 0 0 30px; }
.entry-section h2, .block h2 { padding-top: 16px; border-top: 1px solid var(--line); }
.entry-section h3 { margin-top: 1.2em; }
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 44px; margin-bottom: 12px; }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 1px; font: 600 0.82rem var(--mono); background: var(--ink); color: var(--lime); border-radius: 6px; padding: 2px 6px; }
.note { background: var(--lime-soft); border: 1px solid #d5e6a0; border-radius: 10px; padding: 14px 18px; margin: 0 0 1em; }
.note p:last-child { margin-bottom: 0; }
.more { font: 500 0.88rem var(--mono); }

/* Q&A */
.qa-item { border-left: 3px solid var(--lime); padding: 2px 0 2px 16px; margin: 0 0 18px; }
.qa-q { font-size: 1.05rem; margin: 0 0 4px; }
.qa-a p { margin: 0; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card { display: flex; flex-direction: column; gap: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; text-decoration: none; color: var(--ink); }
.card:hover { border-color: var(--ink); box-shadow: 3px 3px 0 var(--lime); }
.card-kicker { font: 500 0.7rem var(--mono); text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); }
.card-title { font: 600 1.05rem/1.25 var(--head); }
.card-text { font-size: 0.9rem; color: var(--ink-2); }
.card-more { font: 500 0.78rem var(--mono); color: var(--link); margin-top: auto; }

/* Link lists */
.link-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.link-list li { margin: 0; padding: 9px 0; border-bottom: 1px solid var(--line); }
.link-list a { font-weight: 500; }
.link-note { display: block; font-size: 0.85rem; color: var(--muted); }

/* Other tools people compare */
.others-block > p { color: var(--ink-2); font-size: 0.95rem; }
.others { list-style: none; padding: 0; margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.others li { display: grid; grid-template-columns: 170px minmax(0, 1fr) auto; gap: 4px 16px; align-items: baseline; padding: 10px 14px; margin: 0; border-bottom: 1px solid var(--line); }
.others li:last-child { border-bottom: 0; }
.others p { margin: 0; }
.other-name { font: 600 0.98rem var(--head); }
.other-name a { color: var(--ink); text-decoration: none; }
.other-line { font-size: 0.92rem; color: var(--ink-2); }
.other-link { font: 400 0.8rem var(--mono); }
@media (max-width: 720px) {
  .others li { grid-template-columns: minmax(0, 1fr); }
}

/* Sources */
.sources-list { padding-left: 1.4em; font-size: 0.93rem; }
.sources-list li { margin-bottom: 8px; }
.sources-note { font-size: 0.82rem; color: var(--muted); }
.used-on { font-size: 0.8rem; color: var(--muted); }

/* Cite */
.cite { background: var(--panel); border: 1px dashed #a3a69b; border-radius: 10px; padding: 14px 18px; margin: 10px 0 24px; }
.cite h2 { font: 600 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 6px; padding: 0; border: 0; }
.cite p { margin: 0; font-size: 0.92rem; }

/* Featured entity sidebar */
.entity { background: var(--ink); color: #d8dbd2; border-radius: 12px; padding: 18px; }
.entity-label { font: 500 0.7rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--lime); margin: 0 0 4px; }
.entity-name { font: 700 1.5rem var(--head); color: #fff; margin: 0 0 10px; }
.entity dl { margin: 0 0 12px; }
.entity dl div { padding: 7px 0; border-top: 1px solid #34383d; }
.entity dt { font: 500 0.68rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: #9ea296; }
.entity dd { margin: 2px 0 0; font-size: 0.9rem; color: #f2f1eb; }
.entity a { color: var(--lime); }
.entity-link { display: inline-block; background: var(--lime); color: var(--ink) !important; text-decoration: none; font: 600 0.88rem var(--head); padding: 8px 12px; border-radius: 8px; }
.entity p:last-child { margin: 0; }

/* Plans */
.plans-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--panel); }
.plan-col { padding: 14px 16px; border-right: 1px solid var(--line); }
.plan-col:last-child { border-right: 0; }
.plan-name { font: 700 1.15rem var(--head); margin: 0; }
.plan-price { font: 600 0.95rem var(--mono); margin: 2px 0 0; }
.plan-price span { display: block; font-weight: 400; font-size: 0.8rem; color: var(--muted); }
.plan-credits { font-size: 0.82rem; color: var(--muted); margin: 4px 0 8px; }
.plan-pro { background: var(--lime-soft); }
.plan-lead { font-size: 0.88rem; font-weight: 600; margin: 0 0 4px; }
.plan-col ul { font-size: 0.88rem; margin: 0; padding-left: 1.1em; }
.plans-note { font-size: 0.85rem; color: var(--muted); margin-top: 10px; }
@media (max-width: 820px) {
  .plans-grid { grid-template-columns: minmax(0, 1fr); }
  .plan-col { border-right: 0; border-bottom: 1px solid var(--line); }
  .plan-col:last-child { border-bottom: 0; }
}
.platforms li { margin-bottom: 10px; }

/* Glossary */
.term-index { font: 400 0.82rem var(--mono); line-height: 1.9; color: var(--muted); }
.terms { margin: 0 0 24px; }
.term { padding: 14px 0; border-top: 1px solid var(--line); }
.term dt { font: 700 1.1rem var(--head); }
.term dd { margin: 4px 0 0; }
.term dd p { margin: 0 0 4px; }
.term-see { font-size: 0.85rem; color: var(--muted); }

.hub-summary h2 a { color: var(--ink); text-decoration: none; }
.hub-summary h2 a:hover { text-decoration: underline; }
.address { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; display: inline-block; }
.page-404 { padding: 40px 20px; max-width: 760px; }
.lede { font-size: 1.1rem; color: var(--ink-2); }

/* Footer */
.site-footer { background: var(--ink); color: #c9ccc2; margin-top: 40px; padding: 28px 0; font-size: 0.9rem; }
.site-footer a { color: var(--lime); }
.footer-brand { font: 700 1.05rem var(--head); color: #fff; margin-bottom: 8px; }
.site-footer .site-nav ul { margin-bottom: 14px; }
.site-footer .site-nav a { font: 500 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; text-decoration: none; }
.footer-note { color: #fff; font-weight: 500; margin-bottom: 6px; }
.footer-small { color: #8f9389; font-size: 0.8rem; margin: 0; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .hero { padding: 26px 0 26px; }
  .brief { padding: 14px 16px; }
  .brief-text { font-size: 1rem; }
  .site-header .wrap { flex-direction: column; align-items: flex-start; gap: 10px; }
  .layout { padding-top: 18px; }
  .toc ol { columns: 1; }
}