.knowledge-page,
.article-page { position: relative; z-index: 1; }

.knowledge-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 78vh;
  padding: 150px 0 92px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.knowledge-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(34,207,229,.035) 1px, transparent 1px),
    linear-gradient(rgba(34,207,229,.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, #000, transparent 88%);
}
.knowledge-hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(340px, .72fr); gap: clamp(54px, 8vw, 120px); align-items: center; }
.knowledge-hero h1 { max-width: 900px; margin: 24px 0 0; font-size: clamp(58px, 8.2vw, 112px); line-height: .9; letter-spacing: -.075em; }
.knowledge-hero h1 em { display: block; color: var(--cyan); font-style: normal; }
.knowledge-hero__intro { max-width: 720px; margin: 34px 0 0; color: var(--muted); font-size: clamp(17px, 1.65vw, 21px); line-height: 1.72; }
.knowledge-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.knowledge-radar { position: relative; width: min(460px, 100%); aspect-ratio: 1; margin-inline: auto; }
.knowledge-radar::before,
.knowledge-radar::after,
.knowledge-radar__ring { content: ""; position: absolute; border: 1px solid rgba(34,207,229,.24); border-radius: 50%; }
.knowledge-radar::before { inset: 2%; box-shadow: inset 0 0 55px rgba(34,207,229,.06), 0 0 60px rgba(34,207,229,.05); }
.knowledge-radar::after { inset: 18%; border-style: dashed; animation: knowledge-spin 18s linear infinite reverse; }
.knowledge-radar__ring { inset: 34%; border-color: rgba(46,242,154,.36); box-shadow: 0 0 28px rgba(46,242,154,.08); animation: knowledge-spin 11s linear infinite; }
.knowledge-radar__cross { position: absolute; inset: 0; }
.knowledge-radar__cross::before,
.knowledge-radar__cross::after { content: ""; position: absolute; left: 50%; top: 8%; width: 1px; height: 84%; background: linear-gradient(transparent, rgba(34,207,229,.22), transparent); }
.knowledge-radar__cross::after { transform: rotate(90deg); }
.knowledge-radar__beam { position: absolute; inset: 2%; border-radius: 50%; background: conic-gradient(from 20deg, transparent 0 70%, rgba(34,207,229,.18) 86%, transparent 87%); animation: knowledge-spin 7s linear infinite; }
.knowledge-radar__core { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 96px; height: 54px; border: 0; background: transparent; transform: translate(-50%, -50%); overflow: visible; }
.knowledge-radar__core img { width: 96px; max-width: none; height: auto; mix-blend-mode: screen; filter: drop-shadow(0 0 10px rgba(34,207,229,.16)); }
.knowledge-radar__dot { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }
.knowledge-radar__dot--one { left: 18%; top: 32%; }
.knowledge-radar__dot--two { right: 24%; top: 22%; animation: status-pulse 2.4s infinite .4s; }
.knowledge-radar__dot--three { right: 19%; bottom: 27%; animation: status-pulse 2.4s infinite .9s; }
.knowledge-radar__label { position: absolute; left: 50%; bottom: 7%; transform: translateX(-50%); color: #667472; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .14em; text-transform: uppercase; white-space: nowrap; }

.knowledge-index { padding: clamp(80px, 10vw, 140px) 0; }
.knowledge-toolbar { display: grid; grid-template-columns: minmax(260px, .72fr) 1fr; gap: 28px; align-items: end; margin: 0 0 48px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.knowledge-search { position: relative; }
.knowledge-search label { display: block; margin-bottom: 9px; color: #687573; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.knowledge-search input { width: 100%; height: 50px; padding: 0 48px 0 16px; border: 1px solid var(--line); outline: 0; background: rgba(8,13,15,.86); color: var(--text); transition: border-color .2s ease, box-shadow .2s ease; }
.knowledge-search input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,207,229,.08); }
.knowledge-search::after { content: "⌕"; position: absolute; right: 17px; bottom: 11px; color: var(--cyan); font-size: 21px; }
.knowledge-filters { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.knowledge-filter { min-height: 38px; padding: 0 15px; border: 1px solid var(--line); background: transparent; color: #83908e; font-family: Consolas, monospace; font-size: 10px; letter-spacing: .05em; cursor: pointer; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.knowledge-filter:hover,
.knowledge-filter:focus-visible { color: var(--cyan); border-color: rgba(34,207,229,.48); }
.knowledge-filter.is-active { border-color: var(--cyan); background: var(--cyan); color: #041012; }

.knowledge-featured { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); min-height: 440px; margin-bottom: 22px; overflow: hidden; border: 1px solid var(--line-strong); background: rgba(10,16,18,.86); transition: border-color .35s ease, transform .45s var(--ease), box-shadow .35s ease; }
.knowledge-featured[hidden] { display: none; }
.knowledge-featured:hover { transform: translateY(-5px); border-color: rgba(34,207,229,.5); box-shadow: 0 24px 70px rgba(0,0,0,.28); }
.knowledge-featured__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 5vw, 66px); }
.knowledge-featured__copy::after { content: ""; position: absolute; inset: 0; z-index: 3; }
.knowledge-featured h2 { max-width: 720px; margin: 20px 0 18px; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.02; letter-spacing: -.055em; }
.knowledge-featured p { max-width: 650px; margin: 0; color: var(--muted); line-height: 1.75; }
.knowledge-featured__meta,
.knowledge-card__meta,
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; color: #6d7a78; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.knowledge-featured__meta span + span::before,
.knowledge-card__meta span + span::before,
.article-meta span + span::before { content: "·"; margin-right: 9px; color: var(--cyan); }
.knowledge-featured__link { display: inline-flex; align-items: center; gap: 9px; margin-top: 30px; color: var(--cyan); font-size: 12px; font-weight: 750; }
.knowledge-featured__visual { min-height: 330px; }

.knowledge-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.knowledge-card { position: relative; min-width: 0; border: 1px solid var(--line); background: rgba(10,15,17,.78); transition: transform .4s var(--ease), border-color .3s ease, box-shadow .3s ease; }
.knowledge-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; border: 1px solid transparent; transition: border-color .3s ease; }
.knowledge-card:hover { transform: translateY(-7px); border-color: rgba(34,207,229,.42); box-shadow: 0 24px 60px rgba(0,0,0,.25); }
.knowledge-card:hover::after { border-color: rgba(46,242,154,.12); }
.knowledge-card[hidden] { display: none; }
.knowledge-card > a { display: flex; flex-direction: column; height: 100%; }
.knowledge-card__copy { display: flex; flex: 1; flex-direction: column; padding: 26px; }
.knowledge-card__category { color: var(--cyan); font-family: Consolas, monospace; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.knowledge-card h2,
.knowledge-card h3 { margin: 15px 0 13px; font-size: clamp(23px, 2.15vw, 31px); line-height: 1.12; letter-spacing: -.038em; }
.knowledge-card p { margin: 0; color: #879492; font-size: 14px; line-height: 1.68; }
.knowledge-card__meta { margin-top: auto; padding-top: 25px; }
.knowledge-card__arrow { position: absolute; right: 18px; top: 18px; z-index: 2; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid rgba(255,255,255,.16); color: var(--cyan); transition: background .2s ease, color .2s ease, transform .25s var(--ease); }
.knowledge-card:hover .knowledge-card__arrow { background: var(--cyan); color: #041012; transform: rotate(8deg); }
.knowledge-empty { margin: 28px 0 0; padding: 38px; border: 1px dashed var(--line-strong); color: var(--muted); text-align: center; }

.knowledge-visual { position: relative; min-height: 205px; overflow: hidden; border-bottom: 1px solid var(--line); background: #091013; }
.knowledge-visual::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px); background-size: 28px 28px; }
.knowledge-visual::after { content: ""; position: absolute; width: 190px; height: 190px; right: -45px; top: -48px; border: 1px solid var(--visual-accent, var(--cyan)); border-radius: 50%; opacity: .36; box-shadow: 0 0 55px color-mix(in srgb, var(--visual-accent, var(--cyan)) 18%, transparent); }
.knowledge-visual__code { position: absolute; left: 22px; top: 19px; color: var(--visual-accent, var(--cyan)); font-family: Consolas, monospace; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.knowledge-visual__mark { position: absolute; left: 22px; bottom: 20px; font-size: clamp(58px, 7vw, 96px); font-weight: 800; line-height: .8; letter-spacing: -.08em; color: rgba(255,255,255,.88); }
.knowledge-visual__line { position: absolute; right: 25px; bottom: 28px; width: 34%; height: 1px; background: var(--visual-accent, var(--cyan)); box-shadow: 0 0 13px var(--visual-accent, var(--cyan)); }
.knowledge-visual__line::before,
.knowledge-visual__line::after { content: ""; position: absolute; top: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--visual-accent, var(--cyan)); }
.knowledge-visual__line::before { left: 0; }
.knowledge-visual__line::after { right: 0; }
.knowledge-visual--security { --visual-accent: #ff6b3d; }
.knowledge-visual--backup { --visual-accent: #2ef29a; }
.knowledge-visual--network { --visual-accent: #22cfe5; }
.knowledge-visual--cloud { --visual-accent: #8aa7ff; }
.knowledge-visual--support { --visual-accent: #f1c75b; }
.knowledge-visual--storage { --visual-accent: #d18cff; }
.knowledge-visual--ai { --visual-accent: #58e3c0; }
.knowledge-visual--cluster { --visual-accent: #5f9cff; }
.knowledge-visual--web { --visual-accent: #22cfe5; }
.knowledge-visual--commerce { --visual-accent: #d18cff; }
.knowledge-visual--operations { --visual-accent: #2ef29a; }

.home-knowledge { position: relative; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(8,13,15,.56); }
.home-knowledge__head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 48px; }
.home-knowledge__head h2 { max-width: 780px; }
.home-knowledge__head .button { flex: 0 0 auto; }
.home-knowledge .knowledge-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.reading-progress { position: fixed; z-index: 102; left: 0; right: 0; top: 0; height: 2px; background: transparent; pointer-events: none; }
.reading-progress span { display: block; width: var(--reading-progress, 0%); height: 100%; background: var(--cyan); box-shadow: 0 0 12px rgba(34,207,229,.65); transition: width .08s linear; }
.article-hero { position: relative; padding: 165px 0 90px; border-bottom: 1px solid var(--line); overflow: hidden; }
.article-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 78% 20%, color-mix(in srgb, var(--article-accent, var(--cyan)) 12%, transparent), transparent 27%); }
.article-hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(300px, .58fr); gap: clamp(50px, 8vw, 110px); align-items: end; }
.article-hero h1 { max-width: 980px; margin: 24px 0 28px; font-size: clamp(50px, 7vw, 96px); line-height: .94; letter-spacing: -.068em; }
.article-hero__intro { max-width: 820px; margin: 0; color: #a7b3b1; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.72; }
.article-hero__visual .knowledge-visual { min-height: 360px; border: 1px solid var(--line-strong); }
.article-hero__visual .knowledge-visual__mark { font-size: clamp(76px, 9vw, 126px); }
.article-meta { margin-top: 28px; }

.article-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); justify-content: center; gap: clamp(52px, 8vw, 110px); padding: clamp(78px, 10vw, 140px) 0; }
.article-toc { align-self: start; position: sticky; top: 118px; }
.article-toc__label { margin: 0 0 17px; color: #5e6b69; font-family: Consolas, monospace; font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.article-toc ol { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-left: 1px solid var(--line); }
.article-toc a { display: block; padding: 9px 0 9px 17px; color: #6f7d7a; font-size: 11px; line-height: 1.4; transition: color .2s ease, border-color .2s ease, transform .2s ease; }
.article-toc a:hover,
.article-toc a:focus-visible,
.article-toc a.is-active { color: var(--cyan); transform: translateX(3px); }
.article-share { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; padding: 0; border: 0; background: transparent; color: #7d8987; font-size: 11px; cursor: pointer; }
.article-share:hover,
.article-share:focus-visible { color: var(--cyan); }
.article-body { min-width: 0; }
.article-lead { margin: 0 0 55px; padding: 0 0 36px; border-bottom: 1px solid var(--line); color: #dbe3e1; font-size: clamp(22px, 2.3vw, 30px); line-height: 1.5; letter-spacing: -.025em; }
.article-section { scroll-margin-top: 120px; margin-top: 68px; }
.article-section:first-of-type { margin-top: 0; }
.article-section h2 { margin: 0 0 24px; font-size: clamp(32px, 4vw, 48px); line-height: 1.08; letter-spacing: -.045em; }
.article-section h3 { margin: 34px 0 13px; font-size: 22px; letter-spacing: -.025em; }
.article-section p { margin: 0 0 22px; color: #a3afad; font-size: 17px; line-height: 1.82; }
.article-section strong { color: #edf3f1; }
.article-list { display: grid; gap: 13px; margin: 28px 0; padding: 0; list-style: none; }
.article-list li { position: relative; padding: 17px 18px 17px 45px; border: 1px solid var(--line); background: rgba(11,17,19,.66); color: #aab6b4; line-height: 1.66; }
.article-list li::before { content: ""; position: absolute; left: 18px; top: 25px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(46,242,154,.4); }
.article-note { margin: 38px 0; padding: 26px 28px; border-left: 2px solid var(--cyan); background: rgba(34,207,229,.055); }
.article-note strong { display: block; margin-bottom: 7px; color: var(--cyan); font-family: Consolas, monospace; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.article-note p { margin: 0; color: #b6c1bf; font-size: 15px; }
.article-checklist { counter-reset: checklist; display: grid; gap: 1px; margin: 34px 0; background: var(--line); border: 1px solid var(--line); }
.article-checklist li { counter-increment: checklist; display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 20px; background: #0b1113; color: #aeb9b7; }
.article-checklist li::before { content: counter(checklist, decimal-leading-zero); color: var(--cyan); font-family: Consolas, monospace; font-size: 11px; }

.article-related { padding: clamp(72px, 8vw, 110px) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(10,15,17,.66); }
.article-related__head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 38px; }
.article-related__head h2 { margin: 0; font-size: clamp(36px, 4.7vw, 58px); letter-spacing: -.05em; }
.article-related__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.article-related__grid a { position: relative; min-height: 150px; padding: 24px; border: 1px solid var(--line); background: rgba(7,11,13,.72); transition: transform .3s var(--ease), border-color .2s ease; }
.article-related__grid a:hover { transform: translateY(-4px); border-color: rgba(34,207,229,.45); }
.article-related__grid span { color: var(--cyan); font-family: Consolas, monospace; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.article-related__grid h3 { margin: 16px 0 0; font-size: 22px; line-height: 1.18; }

.article-contact { padding: clamp(82px, 10vw, 140px) 0; }
.article-contact__grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(420px, 1fr); gap: clamp(50px, 8vw, 105px); align-items: start; }
.article-contact__copy h2 { margin-top: 20px; font-size: clamp(42px, 5.7vw, 72px); letter-spacing: -.06em; }
.article-contact__copy > p:not(.eyebrow) { max-width: 570px; margin-top: 26px; color: var(--muted); line-height: 1.8; }
.article-contact__back { display: inline-flex; margin-top: 28px; color: var(--cyan); font-size: 12px; font-weight: 700; }
.article-contact .contact-form { padding: clamp(25px, 3vw, 38px); }
.article-contact .contact-form textarea { min-height: 120px; }

@keyframes knowledge-spin { to { transform: rotate(360deg); } }

@media (max-width: 1040px) {
  .knowledge-hero__grid,
  .article-hero__grid { grid-template-columns: 1fr; }
  .knowledge-radar { width: min(390px, 80vw); }
  .knowledge-toolbar { grid-template-columns: 1fr; }
  .knowledge-filters { justify-content: flex-start; }
  .knowledge-grid,
  .home-knowledge .knowledge-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .knowledge-featured { grid-template-columns: 1fr; }
  .knowledge-featured__visual { order: -1; }
  .article-hero__visual { display: none; }
  .article-layout { grid-template-columns: minmax(0, 760px); }
  .article-toc { position: static; }
  .article-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 0; }
  .article-toc a { border-left: 1px solid var(--line); }
  .article-contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .knowledge-hero { min-height: auto; padding: 118px 0 72px; }
  .knowledge-hero h1 { font-size: clamp(46px, 14.8vw, 64px); }
  .knowledge-radar { width: min(320px, 86vw); }
  .knowledge-index { padding-top: 70px; }
  .knowledge-grid,
  .home-knowledge .knowledge-grid,
  .article-related__grid { grid-template-columns: 1fr; }
  .knowledge-featured h2 { font-size: 38px; }
  .knowledge-featured__copy { padding: 29px 23px 34px; }
  .knowledge-featured__visual { min-height: 235px; }
  .knowledge-filters { flex-wrap: nowrap; margin-inline: -24px; padding: 0 24px 8px; overflow-x: auto; }
  .knowledge-filter { flex: 0 0 auto; }
  .home-knowledge__head,
  .article-related__head { align-items: flex-start; flex-direction: column; }
  .article-hero { padding: 130px 0 68px; }
  .article-hero h1 { font-size: clamp(46px, 14.4vw, 67px); }
  .article-layout { padding-top: 62px; }
  .article-toc ol { grid-template-columns: 1fr; }
  .article-section { margin-top: 55px; }
  .article-section p { font-size: 16px; }
  .article-contact__grid { gap: 40px; }
  .article-contact__copy h2 { font-size: 43px; }
}

@media (prefers-reduced-motion: reduce) {
  .knowledge-radar__ring,
  .knowledge-radar__beam,
  .knowledge-radar::after { animation: none; }
}