/* Pentra Graph marketing - visual lineage from the product console */
:root {
  color: #d9d7cf;
  background: #10110f;
  font-family: "Newsreader", Georgia, "Times New Roman", serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #d9d7cf;
  --ink-muted: #8f9189;
  --ink-dim: #6a6c64;
  --paper: #151714;
  --paper-raised: #1b1d19;
  --paper-deep: #10110f;
  --rule: #353831;
  --rule-soft: #262922;
  --acid: #c7f36b;
  --acid-dim: rgba(199, 243, 107, 0.12);
  --malicious: #ff6049;
  --abstain: #e6b85c;
  --benign: #75c89a;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --max: 1120px;
  --pad: clamp(20px, 5vw, 56px);
  --nav-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    radial-gradient(circle at 78% 0%, rgba(199, 243, 107, 0.06), transparent 32rem),
    var(--paper-deep);
  background-size: 32px 32px, 32px 32px, auto, auto;
  line-height: 1.55;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 12px;
  top: 12px;
  transform: translateY(-160%);
  z-index: 100;
  padding: 10px 14px;
  background: var(--acid);
  color: #10110f;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}
.skip:focus { transform: none; }

.mono { font-family: var(--mono); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 1rem;
  color: var(--acid);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow::after {
  content: "";
  width: min(140px, 30vw);
  height: 1px;
  background: var(--rule);
}

h1, h2, h3 {
  font-weight: 500;
  letter-spacing: -0.02em;
  text-wrap: balance;
  line-height: 1.15;
  margin: 0 0 1rem;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.1rem); line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.55rem); }
h3 { font-size: 1.2rem; font-family: var(--mono); letter-spacing: 0.04em; font-weight: 500; }

p { margin: 0 0 1rem; text-wrap: pretty; }
.lead {
  font-size: clamp(1.1rem, 1.6vw, 1.28rem);
  color: var(--ink-muted);
  max-width: 38rem;
  line-height: 1.6;
}

.wrap {
  width: min(var(--max), 100%);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: rgba(16, 17, 15, 0.72);
  backdrop-filter: blur(14px);
}
.nav.is-scrolled { border-bottom-color: var(--rule); background: rgba(16, 17, 15, 0.92); }
.nav__inner {
  width: min(var(--max), 100%);
  margin-inline: auto;
  padding-inline: var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.wordmark span { color: var(--acid); }
.nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  color: var(--ink-muted);
}
.nav__links a:hover { color: var(--ink); }
.nav__cta {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 10px 14px;
  border: 1px solid var(--acid);
  color: var(--acid);
}
.nav__cta:hover { background: var(--acid); color: #10110f; }
.nav__burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
}
@media (max-width: 1000px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: inline-flex; align-items: center; justify-content: center; }
}

.menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: #10110f;
  padding: calc(var(--nav-h) + 24px) var(--pad) var(--pad);
}
.menu.is-open { display: flex; flex-direction: column; gap: 8px; }
.menu a {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink);
}
.menu__close {
  align-self: flex-end;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Sections */
.section {
  padding: clamp(72px, 11vw, 120px) 0;
  border-top: 1px solid var(--rule);
  position: relative;
}
.section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: max(var(--pad), calc((100% - var(--max)) / 2 + var(--pad)));
  width: 72px;
  height: 1px;
  background: var(--acid);
}
.section--alt { background: rgba(21, 23, 20, 0.55); }
.section__head { margin-bottom: clamp(36px, 5vw, 56px); max-width: 40rem; }

/* Hero */
.hero {
  padding: calc(var(--nav-h) + clamp(40px, 8vw, 88px)) 0 clamp(64px, 10vw, 110px);
  border-bottom: 1px solid var(--rule);
}
.hero__grid {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.15fr 0.85fr; align-items: end; }
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 18px;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn--primary { background: var(--acid); color: #10110f; }
.btn--primary:hover { filter: brightness(1.05); }
.btn--ghost { border-color: var(--rule); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--acid); color: var(--acid); }

.panel {
  background: var(--paper);
  border: 1px solid var(--rule);
  position: relative;
}
.panel--marks::before,
.panel--marks::after {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
}
.panel--marks::before {
  background-image:
    linear-gradient(var(--acid), var(--acid)),
    linear-gradient(var(--acid), var(--acid)),
    linear-gradient(var(--rule), var(--rule)),
    linear-gradient(var(--rule), var(--rule));
  background-position: 0 0, 0 0, 100% 100%, 100% 100%;
  background-repeat: no-repeat;
  background-size: 10px 1px, 1px 10px, 10px 1px, 1px 10px;
}
.hero-card { padding: 28px; }
.hero-card__row {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--rule-soft);
}
.hero-card__row:first-child { border-top: 0; padding-top: 0; }
.hero-card__k {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.hero-card__v { color: var(--ink); font-size: 1.05rem; }
.hero-card__v em {
  font-style: normal;
  color: var(--acid);
}

/* Cards / grids */
.grid-3 {
  display: grid;
  gap: 16px;
}
@media (min-width: 800px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.grid-2 {
  display: grid;
  gap: 16px;
}
@media (min-width: 800px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

.card {
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  padding: 28px 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: rgba(199, 243, 107, 0.35); transform: translateY(-2px); }
.card p { color: var(--ink-muted); margin-bottom: 0; }
.card--flip {
  min-height: 250px;
  padding: 0;
  perspective: 1000px;
}
.card__flip-inner {
  display: grid;
  min-height: 250px;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.45s ease;
}
.card--flip.is-flipped .card__flip-inner { transform: rotateY(180deg); }
/* Both faces share one grid cell, so the card sizes to the taller face. */
.card__face {
  grid-area: 1 / 1;
  min-height: 250px;
  padding: 28px 24px;
  backface-visibility: hidden;
}
.card__face--back {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper-raised);
  transform: rotateY(180deg);
  pointer-events: none;
}
.card--flip.is-flipped .card__face--front { pointer-events: none; }
.card--flip.is-flipped .card__face--back { pointer-events: auto; }
.card__toggle {
  display: flex;
  height: 100%;
  min-height: 194px;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.card__toggle:focus-visible { outline-offset: 6px; }
.card__title {
  display: block;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.25;
}
.card__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--rule-soft);
  color: var(--acid);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.card__action { margin-top: auto; justify-content: flex-end; }
.card__icon { font-size: 1.25rem; line-height: 1; }
.card__back-copy { color: var(--ink); font-size: 1.08rem; line-height: 1.5; }
.card__back-toggle {
  align-self: flex-start;
  min-height: 44px;
  padding: 10px 0;
  border: 0;
  border-top: 1px solid var(--rule-soft);
  background: transparent;
  color: var(--acid);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.card__back-toggle:hover { color: var(--ink); }
.card__tag {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acid);
}

.split {
  display: grid;
  gap: 28px;
}
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
  .split--comparison { align-items: stretch; }
  .split--comparison > div { display: flex; flex-direction: column; }
  .split--comparison .list-rule {
    display: grid;
    flex: 1;
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }
  .split--comparison .list-rule li {
    min-height: 0;
    align-content: start;
  }
}
.list-rule {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.list-rule li {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-soft);
}
@media (min-width: 700px) {
  .list-rule li { grid-template-columns: 9rem 1fr; gap: 24px; }
}
.list-rule strong {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acid);
}
.list-rule span { color: var(--ink-muted); }

.pillars {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 900px) { .pillars { grid-template-columns: repeat(4, 1fr); } }
.pillar {
  background: var(--paper);
  padding: 28px 22px;
}
.pillar__n {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--acid);
  margin-bottom: 14px;
}
.pillar p { color: var(--ink-muted); margin: 0; font-size: 0.98rem; }

.quote {
  border-left: 2px solid var(--acid);
  padding: 8px 0 8px 22px;
  margin: 28px 0 0;
  color: var(--ink);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.35;
  max-width: 36rem;
}

.cta-band {
  display: grid;
  gap: 24px;
  padding: clamp(36px, 5vw, 48px);
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}
@media (min-width: 800px) {
  .cta-band {
    grid-template-columns: 1.4fr auto;
    align-items: center;
  }
}
.cta-band p { color: var(--ink-muted); margin: 0; }

.footer {
  border-top: 1px solid var(--rule);
  padding: 48px 0 64px;
  background: rgba(16, 17, 15, 0.9);
}
.footer__grid {
  display: grid;
  gap: 28px;
}
@media (min-width: 800px) {
  .footer__grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
}
.footer p { color: var(--ink-muted); }
.footer__meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.footer a { color: var(--acid); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

.form {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}
.form label {
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.form input,
.form textarea {
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: Newsreader, Georgia, serif;
  font-size: 1rem;
}
.form textarea { min-height: 120px; resize: vertical; }
.form input:focus,
.form textarea:focus {
  border-color: var(--acid);
  outline: none;
}
.form__note {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  margin: 0;
}
.form__status {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-muted);
}
.form__status:empty { display: none; }
.form__status[data-kind="ok"] { color: var(--acid); }
.form__status[data-kind="error"] { color: var(--ink); }
.form button:disabled { opacity: 0.6; cursor: progress; }
/* Honeypot field: hidden from people, still visible to naive bots. */
.form__trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.nav__links a[aria-current="page"] { color: var(--acid); }

/* Announcement bar: sits above the sticky nav and scrolls away with the page. */
.announce {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.announce__link {
  width: min(var(--max), 100%);
  margin-inline: auto;
  padding: 10px var(--pad);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--ink);
  font-size: 0.98rem;
  text-decoration: none;
}
.announce__tag,
.announce__cta {
  flex: none;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acid);
}
.announce__tag {
  padding: 4px 8px;
  border: 1px solid rgba(199, 243, 107, 0.35);
  background: var(--acid-dim);
}
.announce__detail { color: var(--ink-muted); }
.announce__cta::after { content: " \2192"; }
.announce__link:hover .announce__text { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 960px) {
  .announce__detail { display: none; }
}
@media (max-width: 720px) {
  .announce__link { justify-content: flex-start; gap: 10px; }
  .announce__cta { margin-left: auto; }
}
@media (max-width: 420px) {
  .announce__tag { display: none; }
}

/* Blog */
.post__head {
  padding: clamp(56px, 9vw, 96px) 0 clamp(36px, 5vw, 56px);
  border-bottom: 1px solid var(--rule);
}
.post__head h1 { max-width: 16ch; }
.post__head .eyebrow a { text-decoration: none; }
.post__head .eyebrow a:hover { color: var(--ink); }
.post__meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.post__layout {
  display: grid;
  gap: 32px;
  padding-block: clamp(40px, 6vw, 72px) clamp(64px, 9vw, 110px);
}
@media (min-width: 1000px) {
  .post__layout { grid-template-columns: 13rem minmax(0, 42rem); gap: 64px; }
  .post__toc { position: sticky; top: calc(var(--nav-h) + 24px); align-self: start; }
}
.post__toc {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.post__toc-label {
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acid);
}
.post__toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.post__toc a {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.35;
  text-decoration: none;
}
.post__toc a:hover { color: var(--ink); }
@media (max-width: 999px) {
  .post__toc ol { grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); }
}

.prose {
  min-width: 0;
  font-size: 1.14rem;
  line-height: 1.7;
}
.prose p { margin-bottom: 1.25rem; }
.prose h2 {
  margin: 3rem 0 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: clamp(1.5rem, 2.6vw, 1.95rem);
}
.prose h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 0.95rem;
  color: var(--ink);
}
.prose a { color: var(--acid); text-underline-offset: 3px; }
.prose code {
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: 0.82em;
  background: var(--paper-raised);
  border: 1px solid var(--rule-soft);
  overflow-wrap: anywhere;
}
.prose .code {
  margin: 0 0 1.5rem;
  padding: 20px 22px;
  overflow-x: auto;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--acid);
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.6;
}
.prose .code code { padding: 0; background: none; border: 0; font-size: inherit; overflow-wrap: normal; }

.chart {
  margin: 2rem 0;
  padding: 12px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
}
.chart__scroll { overflow-x: auto; }
.chart svg { display: block; width: 100%; min-width: 560px; height: auto; }

.table-scroll { overflow-x: auto; margin-bottom: 1.5rem; }
.prose table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 1rem;
  line-height: 1.45;
}
.prose th,
.prose td {
  padding: 14px 16px 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  text-align: left;
  vertical-align: top;
}
.prose thead th {
  border-bottom-color: var(--rule);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--acid);
}
.prose tbody th { width: 30%; font-weight: 500; color: var(--ink); }
.prose tbody td { color: var(--ink-muted); }
.prose tbody td:last-child { color: var(--ink); }

.faq h3:first-child { margin-top: 0; }
.faq p { color: var(--ink-muted); }

.blog-list { padding: clamp(40px, 6vw, 72px) 0 clamp(64px, 9vw, 110px); }
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  max-width: 48rem;
}
.post-card {
  display: grid;
  gap: 12px;
  padding: 28px 24px;
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.post-card:hover { border-color: rgba(199, 243, 107, 0.35); transform: translateY(-2px); }
.post-card h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.post-card p { margin: 0; color: var(--ink-muted); }
.post-card .post__meta { color: var(--ink-dim); }
.post-card__more {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acid);
}
.post-card__more::after { content: " \2192"; }