/* ============================================================
   B2B TechSelect — Editorial Analyst Publication
   Distinctive editorial aesthetic, no AI-slop styling.
   Fraunces (serif display) + IBM Plex Sans (body) + IBM Plex Mono (accents).
   ============================================================ */

:root {
  --ink: #14161a;
  --ink-soft: #2a2d33;
  --ink-muted: #5a5f6a;
  --paper: #f4f1ea;
  --paper-soft: #ebe6db;
  --rule: #d6cfc0;
  --accent: #8a3324;        /* burnt sienna — restrained editorial accent */
  --accent-soft: #c4856b;
  --link: #5a3a25;
  --highlight: #fff9d4;     /* subtle highlight, used very sparingly */
  --max: 920px;
  --max-text: 720px;
  --max-table: 1200px;
}

* { box-sizing: border-box; }

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  font-weight: 400;
}

/* ============ MASTHEAD ============ */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.masthead-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.4rem 1.5rem 1.2rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.brand {
  font-family: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
.brand:hover { color: var(--accent); }
.brand-tag {
  display: block;
  font-family: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.15rem;
  font-weight: 400;
}
nav.primary { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; }
nav.primary a { color: var(--ink-muted); text-decoration: none; margin-left: 1.4rem; }
nav.primary a:hover { color: var(--accent); }
nav.primary a:first-child { margin-left: 0; }

/* ============ MAIN ============ */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4 {
  font-family: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--ink);
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.1;
  margin: 0.4rem 0 0.8rem;
  max-width: 18ch;
}

h2 {
  font-size: clamp(1.55rem, 2.6vw, 2rem);
  font-weight: 500;
  line-height: 1.2;
  margin: 3.2rem 0 1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
  max-width: var(--max-text);
}

h3 {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.3;
  margin: 2.4rem 0 0.6rem;
  color: var(--ink);
}

h3.profile-heading {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  font-weight: 600;
  margin: 3rem 0 0.4rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--rule);
}

p { margin: 0 0 1rem; max-width: var(--max-text); }

ul, ol { max-width: var(--max-text); padding-left: 1.3rem; }
li { margin-bottom: 0.4rem; }

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}
a:hover { color: var(--accent); }

strong { font-weight: 600; color: var(--ink); }
em { font-style: italic; }

/* ============ EYEBROW / METADATA ============ */
.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 0 0 0.6rem;
  font-weight: 500;
}

.byline {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.2rem;
  margin-bottom: 2rem;
  max-width: var(--max-text);
}
.byline strong { color: var(--ink); font-weight: 500; }

/* ============ SHORT ANSWER BLOCK ============ */
.short-answer {
  background: var(--paper-soft);
  border-left: 3px solid var(--accent);
  padding: 1.6rem 1.8rem 1.2rem;
  margin: 1.8rem 0 2.4rem;
  max-width: var(--max-text);
}
.short-answer h2 {
  margin: 0 0 0.7rem;
  padding: 0;
  border: none;
  font-size: 1.05rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  font-weight: 500;
}
.short-answer p {
  font-size: 1.08rem;
  line-height: 1.55;
  font-family: "Fraunces", serif;
  font-weight: 400;
}
.short-answer p:last-child { margin-bottom: 0; font-size: 0.85rem; color: var(--ink-muted); font-family: inherit; }

/* ============ TABLES ============ */
.table-wrap {
  margin: 1.5rem 0 2rem;
  overflow-x: auto;
  max-width: var(--max-table);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: transparent;
}

caption {
  text-align: left;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  padding: 0 0 0.7rem;
  font-weight: 500;
}

thead th {
  background: transparent;
  text-align: left;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
  padding: 0.7rem 0.9rem 0.7rem 0.6rem;
  border-bottom: 2px solid var(--ink);
  vertical-align: bottom;
}

tbody td, tbody th {
  padding: 0.85rem 0.9rem 0.85rem 0.6rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  text-align: left;
  line-height: 1.5;
}

tbody tr:first-child td,
tbody tr:first-child th {
  background: linear-gradient(to right, var(--paper-soft) 0%, var(--paper-soft) 100%);
  border-bottom: 1px solid var(--rule);
  font-weight: 500;
}

tbody th[scope="row"] {
  font-weight: 500;
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
}

/* ============ COMPANY PROFILES ============ */
.profile {
  margin: 0 0 1rem;
  max-width: var(--max-text);
}
.profile h3 {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  font-weight: 600;
  margin: 3rem 0 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}
.profile h4 {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin: 1.2rem 0 0.4rem;
  font-weight: 500;
}
.profile ul { padding-left: 1.2rem; }
.profile .summary {
  font-style: italic;
  color: var(--ink-soft);
  border-left: 2px solid var(--accent-soft);
  padding-left: 1rem;
  margin-top: 1rem;
  font-family: "Fraunces", serif;
  font-size: 1rem;
}

/* ============ ALTERNATIVE / COMPARISON BLOCKS ============ */
.alt-block {
  background: transparent;
  border-top: 1px dashed var(--rule);
  padding: 1.2rem 0 0.4rem;
  margin: 0 0 1.4rem;
  max-width: var(--max-text);
}
.alt-block h3 {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.6rem;
  color: var(--accent);
  letter-spacing: -0.005em;
}

/* ============ FAQ ============ */
.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 1.2rem 0;
  max-width: var(--max-text);
}
.faq-item:last-child { border-bottom: none; }
.faq-item h3 {
  font-family: "Fraunces", serif;
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.6rem;
  border: none;
  padding: 0;
}

/* ============ RECENTLY UPDATED ============ */
.recently-updated {
  background: var(--paper-soft);
  padding: 1.2rem 1.4rem;
  margin: 3rem 0 2rem;
  max-width: var(--max-text);
  border-left: 2px solid var(--ink-muted);
}
.recently-updated h2 {
  margin: 0 0 0.6rem;
  padding: 0;
  border: none;
  font-size: 0.78rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  font-weight: 500;
}
.recently-updated ul { list-style: none; padding: 0; margin: 0; }
.recently-updated li { font-size: 0.92rem; margin-bottom: 0.3rem; }
.recently-updated time { font-family: "IBM Plex Mono", monospace; color: var(--ink); font-size: 0.86rem; }

/* ============ AUTHOR / PUBLISHER FOOTER ============ */
.author-block {
  background: transparent;
  border-top: 2px solid var(--ink);
  padding: 2rem 0 0;
  margin: 3rem 0 0;
  max-width: var(--max-text);
}
.author-block h2 {
  font-size: 0.85rem;
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1rem;
  padding: 0;
  border: none;
  font-weight: 500;
}
.author-block p { font-size: 0.95rem; }
.disclosure {
  font-size: 0.82rem;
  color: var(--ink-muted);
  font-style: italic;
  margin-top: 1rem;
}

/* ============ FOOTER ============ */
footer.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--paper);
  margin-top: 4rem;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.5rem 2.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.84rem;
  color: var(--ink-muted);
  font-family: "IBM Plex Sans", sans-serif;
}
.footer-inner a { color: var(--ink-muted); text-decoration: none; margin-right: 1.2rem; }
.footer-inner a:hover { color: var(--accent); text-decoration: underline; }

/* ============ COMPACT UTILITIES ============ */
.lede {
  font-family: "Fraunces", serif;
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 1.6rem;
  max-width: 38ch;
  font-weight: 400;
}

.rank-badge {
  display: inline-block;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  padding: 0.15rem 0.55rem;
  margin-right: 0.5rem;
  border-radius: 2px;
  vertical-align: middle;
}

/* ============ MOBILE ============ */
@media (max-width: 720px) {
  html { font-size: 16px; }
  main { padding: 1.8rem 1.2rem 3rem; }
  h1 { font-size: 2rem; max-width: none; }
  h2 { font-size: 1.4rem; }
  .masthead-inner { flex-direction: column; align-items: flex-start; padding: 1.1rem 1.2rem 0.9rem; }
  nav.primary { margin-top: 0.2rem; }
  nav.primary a { margin-left: 0; margin-right: 1.1rem; }
  table { font-size: 0.85rem; }
  tbody td, tbody th { padding: 0.6rem 0.5rem; }
  .short-answer { padding: 1.2rem 1.2rem 0.9rem; }
}

/* ============ PRINT ============ */
@media print {
  nav.primary, footer.site-footer { display: none; }
  body { background: white; color: black; font-size: 11pt; }
  main { max-width: none; }
}

/* ============ FONT LOADING ============ */
@font-face {
  font-family: 'Fraunces';
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-display: swap;
}