/* Intel — research / articles hub. Inherits design tokens from landing.css.
   Loaded after landing.css so cascade wins where it needs to. */

.intel-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px 32px 96px;
  position: relative;
  z-index: 1;
}

.intel-hub-eyebrow {
  display: block;
  text-align: center;
  color: var(--pyo-yellow);
  font: 850 11px/1.2 Inter;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.intel-hub-h1 {
  font: 900 clamp(34px, 4.4vw, 56px)/1.05 Inter;
  letter-spacing: -0.01em;
  margin: 0 auto 16px;
  text-align: center;
  max-width: 920px;
}

.intel-hub-deck {
  font: 500 17px/1.58 Inter;
  color: var(--fg-muted);
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

.intel-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 24px 0 28px;
}

.intel-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 12px;
  padding: 24px 26px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.intel-card-art {
  width: 100%;
  aspect-ratio: 16 / 8.2;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.10);
  margin: 0 0 18px;
  background: var(--bg-elev);
  box-shadow: 0 18px 44px rgba(0,0,0,0.22);
}

.intel-card:hover {
  border-color: var(--panel-line-hot);
  transform: translateY(-1px);
}

.intel-card-tag {
  font: 850 10px/1 Inter;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ton-blue-bright);
  margin-bottom: 14px;
}

.intel-card-title {
  font: 850 21px/1.25 Inter;
  letter-spacing: -0.005em;
  color: var(--fg);
  margin: 0 0 10px;
}

.intel-card-deck {
  font: 500 14.5px/1.55 Inter;
  color: var(--fg-muted);
  margin: 0 0 16px;
  flex: 1;
}

.intel-card-meta {
  display: flex;
  gap: 12px;
  font: 600 12px/1 Inter;
  color: var(--fg-muted);
}

.intel-card-meta-dot {
  color: var(--panel-line-hot);
}

.intel-card-cta {
  margin-top: 4px;
  font: 800 13px/1 Inter;
  color: var(--ton-blue-bright);
}

.intel-hub-featured {
  border-color: rgba(14, 165, 233, 0.34);
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(0, 0, 0, 0));
}

.intel-hub-featured .intel-card-title { font-size: 26px; }

.intel-hub-finalcta {
  margin: 40px 0 0;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 12px;
  text-align: center;
}

.intel-hub-finalcta p { margin: 0 0 16px; color: var(--fg-muted); font-size: 15px; }

/* ---- Article shell ---- */
.art {
  max-width: 1160px;
  margin: 0 auto;
  padding: 56px 28px 96px;
  position: relative;
  z-index: 1;
}

.art > .art-eyebrow,
.art > .art-h1,
.art > .art-deck,
.art > .art-meta {
  max-width: 820px;
}

.art-eyebrow {
  display: block;
  text-align: center;
  color: var(--pyo-yellow);
  font: 850 11px/1.2 Inter;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.art-h1 {
  font: 900 clamp(30px, 4vw, 48px)/1.08 Inter;
  letter-spacing: -0.01em;
  margin: 0 auto 18px;
  text-align: center;
}

.art-deck {
  font: 500 17px/1.6 Inter;
  color: var(--fg-muted);
  margin: 0 auto 38px;
  text-align: center;
}

.art-deck strong { color: var(--fg); }

.art-meta {
  display: flex;
  justify-content: center;
  gap: 14px;
  font: 600 12px/1 Inter;
  color: var(--fg-muted);
  margin-bottom: 44px;
  letter-spacing: 0.04em;
}

.art-meta-dot { color: var(--panel-line-hot); }

.art h2 {
  font: 850 24px/1.25 Inter;
  letter-spacing: -0.005em;
  margin: 48px 0 14px;
  color: var(--fg);
}

.art h3 {
  font: 800 18px/1.3 Inter;
  margin: 28px 0 10px;
  color: var(--fg);
}

.art p {
  font: 500 16px/1.7 Inter;
  color: var(--fg);
  margin: 0 0 18px;
}

.art > p:not(.art-deck) {
  max-width: 700px;
}

.art > h2,
.art > h3,
.art > ul,
.art > ol,
.art > .art-callout,
.art > .art-pull,
.art > .art-final,
.art > .art-method,
.art > .art-sources {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.art > .art-table {
  max-width: 1060px;
  margin-left: auto;
  margin-right: auto;
}

.art-visual {
  max-width: 1040px;
  margin: 30px auto 38px;
}

.art-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8.2;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--bg-elev);
  box-shadow: 0 26px 70px rgba(0,0,0,0.34);
}

.art-visual figcaption {
  margin-top: 10px;
  color: var(--fg-muted);
  font: 700 12px/1.45 Inter;
  text-align: center;
}

.art-visual-inline {
  max-width: 820px;
}

.art p a, .art li a { color: var(--ton-blue-bright); text-decoration: underline; text-underline-offset: 2px; }
.art p a:hover, .art li a:hover { color: var(--fg); }

.art ul, .art ol {
  margin: 0 0 22px;
  padding-left: 22px;
  color: var(--fg);
}

.art li {
  font: 500 16px/1.65 Inter;
  margin-bottom: 8px;
}

.art code {
  font: 600 13px/1 "JetBrains Mono", ui-monospace, monospace;
  background: var(--bg-elev);
  border: 1px solid var(--panel-line);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--ton-blue-bright);
}

.art-callout {
  margin: 28px 0;
  padding: 20px 22px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.22);
  border-radius: 8px;
}

.art-callout p:last-child { margin-bottom: 0; }

.art-pull {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--pyo-yellow);
  background: var(--panel);
  border-radius: 0 8px 8px 0;
  font: 600 18px/1.55 Inter;
  color: var(--fg);
}

.art-table {
  width: 100%;
  margin: 18px 0 24px;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: 8px;
  overflow: hidden;
}

.art-table th, .art-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--panel-line);
  text-align: left;
  font: 500 14px/1.45 Inter;
}

.art-table th {
  background: var(--bg-elev);
  font: 850 10px/1 Inter;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.art-table tr:last-child td { border-bottom: 0; }
.art-table td:first-child { font-weight: 700; }

.art-final {
  margin: 52px 0 0;
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--panel-line-hot);
  border-radius: 12px;
  text-align: center;
}

.art-final h2 { margin: 0 0 10px; }
.art-final p { color: var(--fg-muted); margin-bottom: 18px; }

.art-final .lpx-btn {
  display: inline-block;
  margin: 0 6px;
}

.art-method {
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px dashed var(--panel-line);
}

.art-method h3 {
  color: var(--fg-muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.art-method p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

.art-sources {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px dashed var(--panel-line);
}

.art-sources h3 {
  font: 850 11px/1 Inter;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 12px;
}

.art-sources ol {
  margin: 0;
  padding-left: 22px;
}

.art-sources li {
  font: 500 13px/1.55 Inter;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.art-sources li a { color: var(--ton-blue-bright); text-decoration: none; }
.art-sources li a:hover { text-decoration: underline; }

@media (max-width: 720px) {
  .intel-shell { padding: 42px 18px 72px; }
  .intel-hub-grid { grid-template-columns: 1fr; }
  .art { padding: 42px 18px 72px; }
  .art-table { font-size: 13px; }
  .art-table th, .art-table td { padding: 10px 11px; }
}

@media (min-width: 900px) {
  .art > p:not(.art-deck):nth-of-type(odd) {
    margin-left: 0;
    margin-right: auto;
  }
  .art > p:not(.art-deck):nth-of-type(even) {
    margin-left: auto;
    margin-right: 0;
  }
  .art-visual-inline.align-left { margin-left: 0; margin-right: auto; }
  .art-visual-inline.align-right { margin-left: auto; margin-right: 0; }
}

/* ===== Bigger, more readable article type ===== */
.art p{font-size:18px;line-height:1.78;max-width:740px}
.art-deck{font-size:20px;line-height:1.62;max-width:800px}
.art-h1{font-size:clamp(34px,4.6vw,56px)}
.art h2{font-size:28px;margin-top:1.7em}
.art h3{font-size:20px}
.art li{font-size:17.5px;line-height:1.72}
.art-pull{font-size:22px}

/* ===== "Key points" animated carousel ===== */
.artsum{max-width:820px;margin:28px auto 34px;border:1px solid var(--panel-line);border-radius:18px;
  background:linear-gradient(160deg,rgba(46,127,255,.07),var(--panel));overflow:hidden}
.artsum-head{display:flex;justify-content:space-between;align-items:baseline;padding:14px 22px 0}
.artsum-kicker{font:850 11px/1 Inter;letter-spacing:.16em;text-transform:uppercase;color:var(--ton-blue-bright)}
.artsum-count{font:800 12px/1 Inter;color:var(--fg-dim)}
.artsum-count b{color:var(--fg)}
.artsum-vp{overflow:hidden}
.artsum-track{display:flex;transition:transform .5s cubic-bezier(.16,.84,.28,1)}
.artsum-slide{flex:0 0 100%;box-sizing:border-box;display:grid;grid-template-columns:1fr 170px;gap:20px;align-items:center;padding:14px 22px 20px}
.artsum-num{font:900 13px/1 Inter;color:var(--ton-blue-bright);letter-spacing:.1em}
.artsum-body h4{font:900 21px/1.2 Inter;color:var(--fg);margin:8px 0 8px;letter-spacing:-.01em}
.artsum-body p{font:500 14.5px/1.55 Inter;color:var(--fg-muted);margin:0 0 12px;max-width:none}
.artsum-jump{font:800 12.5px/1 Inter;color:var(--ton-blue-bright);text-decoration:none}
.artsum-jump:hover{text-decoration:underline}
.artsum-dia svg{width:100%;height:auto}
.asd-edge{stroke:rgba(46,127,255,.4);stroke-width:1.4}
.asd-node{animation:asdPulse 2.6s ease-in-out infinite}
.asd-blue{fill:none;stroke:#4d9dff;stroke-width:1.6}
.asd-gold{fill:none;stroke:#f7e08a;stroke-width:1.6}
@keyframes asdPulse{0%,100%{opacity:.5}50%{opacity:1}}
@media(prefers-reduced-motion:reduce){.asd-node{animation:none;opacity:.85}}
.artsum-ctrl{display:flex;align-items:center;justify-content:center;gap:12px;padding:0 22px 16px}
.artsum-arrow{width:32px;height:32px;border-radius:50%;border:1px solid var(--panel-line);background:transparent;color:var(--fg-muted);font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:.15s}
.artsum-arrow:hover{border-color:var(--ton-blue-bright);color:var(--fg)}
.artsum-dots{display:flex;gap:7px}
.artsum-dot{width:8px;height:8px;border-radius:50%;border:0;background:var(--panel-line-hot);cursor:pointer;padding:0;transition:.2s;opacity:.5}
.artsum-dot.on{width:22px;border-radius:4px;background:linear-gradient(90deg,#2E7FFF,#f7e08a);opacity:1}
@media(max-width:640px){.artsum-slide{grid-template-columns:1fr}.artsum-dia{display:none}}

/* ===== Article overhaul: kill alternating paragraphs, add movement + progress + links ===== */
@media (min-width: 900px){
  .art > p:not(.art-deck):nth-of-type(odd),
  .art > p:not(.art-deck):nth-of-type(even){margin-left:auto;margin-right:auto}
}
/* reading progress bar */
.art-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:200;pointer-events:none;background:transparent}
.art-progress span{display:block;height:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#2E7FFF,#f7e08a);will-change:transform}
/* scroll-reveal movement */
.art-rise{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,.84,.28,1),transform .7s cubic-bezier(.16,.84,.28,1)}
.art-rise-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.art-rise{opacity:1;transform:none;transition:none}}
/* contextual auto-links */
.art-link{color:var(--ton-blue-bright);text-decoration:none;border-bottom:1px solid rgba(46,127,255,.4);transition:.15s;font-weight:600}
.art-link:hover{border-bottom-color:var(--ton-blue-bright);background:rgba(46,127,255,.08)}
/* creative touches: first paragraph drop-cap, stronger sections, bolder pull quotes */
.art > p:not(.art-deck):first-of-type::first-letter{font:900 3.2em/.8 Inter;float:left;margin:6px 12px 0 0;color:var(--ton-blue-bright)}
.art h2{position:relative;padding-top:.4em}
.art h2::before{content:"";position:absolute;top:0;left:0;width:46px;height:3px;border-radius:2px;background:linear-gradient(90deg,#2E7FFF,#f7e08a)}
.art-pull{border-left:3px solid;border-image:linear-gradient(180deg,#2E7FFF,#f7e08a) 1;padding-left:22px;font-weight:600;color:var(--fg)}