body.cross-platform-page{background:#000;--max:1380px}
.cross-page{background:#000;color:#f5f7fb}
.cross-platform-page .nav-cta{color:#fff!important;background:linear-gradient(135deg,#8a1018 0%, #c81d27 54%, #f0d6da 100%)!important;box-shadow:0 14px 28px rgba(140,16,24,.32)!important;text-decoration:none!important;border:none!important;outline:none!important;background-clip:padding-box!important;overflow:hidden!important;-webkit-appearance:none!important;appearance:none!important}
.cross-platform-page .nav-cta:hover{filter:brightness(1.04);color:#fff!important}
.cross-hero-actions .btn.primary,.cross-framework-feature .btn.primary,.cross-problem-feature .btn.primary{color:#fff!important;background:linear-gradient(135deg,#8a1018 0%, #c81d27 54%, #f0d6da 100%)!important;box-shadow:0 14px 28px rgba(140,16,24,.32)!important;text-decoration:none!important;border:none!important;outline:none!important;background-clip:padding-box!important;overflow:hidden!important;-webkit-appearance:none!important;appearance:none!important}
.cross-hero-actions .btn.primary:hover,.cross-framework-feature .btn.primary:hover,.cross-problem-feature .btn.primary:hover{filter:brightness(1.04);color:#fff!important}
.cross-hero{position:relative;background:#000;border-bottom:1px solid rgba(255,255,255,.08)}
.cross-hero-shell{position:relative;min-height:620px;overflow:hidden}
.cross-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% center}
.cross-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg, rgba(0,0,0,1) 0%, rgba(0,0,0,.98) 12%, rgba(5,8,20,.96) 24%, rgba(8,12,28,.88) 38%, rgba(11,16,34,.62) 54%, rgba(12,16,34,.26) 72%, rgba(12,16,34,.06) 100%),radial-gradient(circle at 70% 32%, rgba(59,130,246,.28), transparent 24%),radial-gradient(circle at 60% 58%, rgba(239,68,68,.18), transparent 28%),linear-gradient(180deg, rgba(0,0,0,.06) 0%, rgba(0,0,0,.14) 60%, rgba(0,0,0,.88) 100%)}
.cross-hero-inner{position:relative;z-index:2;display:flex;align-items:center;min-height:620px;padding:88px 0 72px}
.cross-hero-copy{max-width:560px}
.cross-kicker,.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:9px 14px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:rgba(11,15,27,.72);color:#dce6ff;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;backdrop-filter:blur(8px)}
.cross-kicker::before,.eyebrow::before{content:"";display:block;width:8px;height:8px;border-radius:999px;background:linear-gradient(135deg,#ef4444 0%,#60a5fa 100%);box-shadow:0 0 18px rgba(96,165,250,.45)}
.cross-hero-copy h1{margin:16px 0 0;font-size:clamp(50px,7vw,86px);line-height:.94;letter-spacing:-.055em;max-width:9ch}
.cross-hero-copy p{margin:18px 0 0;font-size:clamp(18px,2vw,23px);line-height:1.52;color:#d7dbea;max-width:28ch}
.cross-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cross-hero-actions .btn{min-width:210px;justify-content:center}
.cross-breadcrumbs{border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);background:linear-gradient(180deg, rgba(8,11,20,.96), rgba(7,9,17,.96))}
.cross-breadcrumbs .container{display:flex;align-items:center;gap:8px;min-height:54px;color:#c8cfdd;font-size:14px}
.cross-breadcrumbs a{color:#f2f5fb;text-decoration:none}
.cross-breadcrumbs .sep{opacity:.45}
.cross-page{padding-bottom:48px;background:radial-gradient(circle at top right, rgba(59,130,246,.08), transparent 18%),radial-gradient(circle at 12% 18%, rgba(239,68,68,.08), transparent 20%),#06070b}
.cross-page .article-grid{align-items:start;padding-top:34px}

.cross-page .article-grid{padding-top:18px}
.cross-page .article{background:transparent;border:none;padding:0;display:grid;gap:18px}
.cross-page .article>.card{background:linear-gradient(180deg, rgba(6,10,22,.98), rgba(3,6,14,.98));border:1px solid rgba(255,255,255,.08);border-radius:30px;padding:28px;box-shadow:0 22px 60px rgba(0,0,0,.28);margin-bottom:0}
.cross-page .article>.card h2{margin:0 0 10px;font-size:clamp(28px,3.4vw,42px);line-height:1.05;letter-spacing:-.03em}
.cross-page .article>.card p{font-size:18px;line-height:1.7;color:#d8deed}
.cross-page .article>.card .section-intro{max-width:900px;color:#d3d8e6}
.cross-page .eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 14px;color:#cfd5e7;font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase}
.cross-page .eyebrow::before{content:"";width:28px;height:2px;border-radius:999px;background:linear-gradient(90deg,#ef4444,#60a5fa)}
.cross-page .section-intro{max-width:72ch}
.cross-page .sidebar{display:grid;gap:16px}
.cross-page .sidebar .box{margin-top:0;padding:22px;border-top:none;border:1px solid rgba(255,255,255,.08);border-radius:24px;background:linear-gradient(180deg, rgba(8,13,28,.96), rgba(4,7,18,.96));box-shadow:0 18px 40px rgba(0,0,0,.22)}
.cross-page .sidebar h3{margin:0 0 10px;font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:#d8dfef}
.cross-page .toc{margin:0;padding-left:20px}
.cross-page .toc li+li{margin-top:8px}
.cross-page .toc a{color:#edf2fb}
.cross-page .article{display:grid;gap:22px}
.cross-page .card{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08);border-radius:28px;background:linear-gradient(180deg, rgba(11,14,22,.98) 0%, rgba(7,10,18,.98) 100%);box-shadow:0 28px 60px rgba(0,0,0,.38);padding:30px}
.cross-page .card::after{content:"";position:absolute;inset:auto -10% 0 auto;width:180px;height:180px;background:radial-gradient(circle, rgba(96,165,250,.12), transparent 68%);pointer-events:none}
.cross-page .card h2{margin:14px 0 10px;font-size:clamp(30px,3.3vw,46px);line-height:1.02;letter-spacing:-.035em}
.cross-page .card h3{margin:0 0 10px;font-size:21px;line-height:1.15;letter-spacing:-.02em}
.cross-page .section-intro{font-size:17px;color:#cfd6e6;max-width:68ch}
.cross-page .small{font-size:14px}
.cross-page .muted{color:#aeb8cb}
.cross-page .badge{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10)}
.cross-control-grid,.cross-pattern-grid,.cross-faq-grid,.cross-framework-subgrid{display:grid;gap:16px}
.cross-control-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:22px}
.cross-control-card,.cross-pattern-card,.cross-faq-item,.cross-framework-subcard,.cross-sidebar-link,.cross-problem-subcard,.cross-confidence-card,.cross-workflow-card,.cross-why-box,.cross-decision-card{position:relative;border:1px solid rgba(255,255,255,.08);border-radius:22px;background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));padding:22px}
.cross-control-top,.cross-problem-flag,.cross-step,.cross-confidence-tag,.cross-decision-tag,.cross-mini-label{display:inline-flex;align-items:center;justify-content:center;min-height:28px;padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#e7edf8}
.cross-control-top{margin-bottom:14px}
.cross-control-rule{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:14px;color:#dbe6ff}
.cross-control-rule .dot{width:9px;height:9px;border-radius:999px;background:linear-gradient(135deg,#ef4444,#60a5fa);box-shadow:0 0 0 4px rgba(96,165,250,.08)}
.cross-mini-list,.cross-control-list,.cross-logic-list,.cross-aside-checklist,.cross-signal-list{margin:14px 0 0;padding-left:18px;color:#ced6e4}
.cross-mini-list li,.cross-control-list li,.cross-logic-list li,.cross-signal-list li{margin:8px 0}
.cross-problem-shell,.cross-framework-shell{display:grid;gap:18px;margin-top:22px}
.cross-problem-feature-grid,.cross-framework-feature-grid{display:grid;grid-template-columns:1.28fr 1fr;gap:18px}
.cross-problem-feature,.cross-framework-feature{position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08);border-radius:26px;padding:26px;background:linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.015))}
.cross-problem-feature.primary::before,.cross-framework-feature.primary::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg, rgba(138,16,24,.18), rgba(200,29,39,.07) 48%, rgba(255,255,255,.02) 100%)}
.cross-problem-feature.secondary,.cross-framework-feature.secondary{background-image:linear-gradient(135deg, rgba(7,13,24,.96), rgba(7,10,18,.72) 58%, rgba(9,13,24,.82) 100%), url('/assets/img/cross-platform-attribution-card-bg.webp');background-size:cover;background-position:center}
.cross-problem-feature > *,.cross-framework-feature > *{position:relative;z-index:1}
.cross-problem-feature h3,.cross-framework-feature h3{font-size:28px;line-height:1.05;max-width:15ch}
.cross-problem-feature p,.cross-framework-feature p{max-width:52ch;color:#d5ddef}
.cross-problem-feature .btn,.cross-framework-feature .btn{margin-top:18px}
.cross-problem-subgrid,.cross-framework-subgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
.cross-problem-subcard h3,.cross-framework-subcard h3{font-size:20px;margin-top:14px}
.cross-problem-subcard a,.cross-framework-subcard a,.cross-control-link,.cross-pattern-card a,.cross-sidebar-link a{color:#fff}
.cross-why-grid{display:grid;grid-template-columns:1.15fr .95fr;gap:18px;align-items:start}
.cross-why-stack,.cross-confidence-grid,.cross-workflow-grid{display:grid;gap:16px}
.cross-why-box h3,.cross-confidence-card h3,.cross-workflow-card h3,.cross-pattern-card h3,.cross-faq-item h3,.cross-decision-card h3{font-size:22px}
.cross-decision-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}
.cross-decision-card{background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));min-height:100%}
.cross-decision-card.good{box-shadow:inset 0 0 0 1px rgba(74,222,128,.14)}
.cross-decision-card.medium{box-shadow:inset 0 0 0 1px rgba(251,191,36,.16)}
.cross-decision-card.high{box-shadow:inset 0 0 0 1px rgba(248,113,113,.18)}
.cross-decision-tag.good{background:rgba(74,222,128,.1);color:#d2ffe0}
.cross-decision-tag.medium{background:rgba(251,191,36,.12);color:#fff1c7}
.cross-decision-tag.high{background:rgba(248,113,113,.12);color:#ffd8d8}
.cross-workflow-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:22px}
.cross-step{margin-bottom:14px;background:rgba(96,165,250,.12);color:#d9e8ff}
.cross-pattern-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:22px}
.cross-pattern-card{min-height:100%;display:grid;gap:14px;align-content:start}
.cross-pattern-card.lens{box-shadow:inset 0 0 0 1px rgba(96,165,250,.15)}
.cross-pattern-card.method{box-shadow:inset 0 0 0 1px rgba(251,191,36,.16)}
.cross-pattern-card.channel{box-shadow:inset 0 0 0 1px rgba(192,132,252,.16)}
.cross-pattern-card.route{box-shadow:inset 0 0 0 1px rgba(248,113,113,.18)}
.cross-pattern-card.commercial{box-shadow:inset 0 0 0 1px rgba(45,212,191,.16)}
.cross-pattern-card.inputs{box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.cross-pattern-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:-2px}
.cross-pattern-top .cross-mini-label{min-height:24px;padding:5px 10px}
.cross-pattern-keyline{font-size:13px;font-weight:700;letter-spacing:.03em;text-transform:none;color:#e8eefc}
.cross-pattern-points{display:grid;gap:10px;margin:0}
.cross-pattern-points div{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.cross-pattern-points span{display:block;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#aeb8cb;margin-bottom:6px}
.cross-pattern-points strong{font-size:15px;line-height:1.4;color:#f3f6fd}
.cross-confidence-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:22px}
.cross-confidence-card{display:grid;gap:14px;align-content:start}
.cross-confidence-card.high-card{box-shadow:inset 0 0 0 1px rgba(74,222,128,.14)}
.cross-confidence-card.medium-card{box-shadow:inset 0 0 0 1px rgba(251,191,36,.16)}
.cross-confidence-card.low-card{box-shadow:inset 0 0 0 1px rgba(248,113,113,.18)}
.cross-confidence-card.rule-card{box-shadow:inset 0 0 0 1px rgba(96,165,250,.18)}
.cross-confidence-tag.high{background:rgba(74,222,128,.12);color:#d2ffe0}
.cross-confidence-tag.medium{background:rgba(251,191,36,.12);color:#fff1c7}
.cross-confidence-tag.low{background:rgba(248,113,113,.12);color:#ffd8d8}
.cross-source-stack{display:grid;gap:10px}
.cross-source-rule{padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.cross-source-rule span{display:block;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#aeb8cb;margin-bottom:6px}
.cross-source-rule strong{display:block;font-size:15px;line-height:1.4;color:#f3f6fd}
.cross-faq-grid,.cross-aside-links{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:22px}
.cross-faq-item p{margin-bottom:0}
.cross-aside-box{display:grid;gap:14px}
.cross-aside-checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.cross-aside-checklist li{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}
.cross-aside-checklist .state{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.08em}
.cross-aside-checklist .state.high{background:rgba(248,113,113,.12);color:#ffd8d8}
.cross-aside-checklist .state.medium{background:rgba(251,191,36,.12);color:#fff1c7}
.cross-aside-checklist .state.good{background:rgba(74,222,128,.12);color:#d2ffe0}
.cross-aside-links{display:grid;gap:12px}
.cross-sidebar-link{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:#eef3ff}
.cross-sidebar-link span{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:#aeb8cb}
.cross-sidebar-link strong{font-size:18px;line-height:1.12}
.cross-page .sidebar{display:grid;gap:16px}
.cross-page .toc{padding-left:20px}
.cross-page .toc li+li{margin-top:8px}
.cross-page .toc a{color:#edf2fb}
@media (min-width:981px){
  body.cross-platform-page .article-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  body.cross-platform-page .sidebar{margin-top:4px;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
  body.cross-platform-page .sidebar > h3,
  body.cross-platform-page .sidebar > .toc{grid-column:1/-1}
}
@media (max-width: 1100px){
  .cross-control-grid,.cross-workflow-grid,.cross-pattern-grid,.cross-confidence-grid,.cross-faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cross-why-grid,.cross-problem-feature-grid,.cross-framework-feature-grid{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .cross-hero-shell,.cross-hero-inner{min-height:560px}
  .cross-hero-inner{padding:72px 0 56px}
  .cross-page .card{padding:24px}
  .cross-control-grid,.cross-workflow-grid,.cross-pattern-grid,.cross-confidence-grid,.cross-decision-strip,.cross-faq-grid,.cross-problem-subgrid,.cross-framework-subgrid,.cross-aside-links{grid-template-columns:1fr}
  .cross-hero-actions .btn{width:100%}
}