:root{
  --bg:#f7f9fc;--card:#fff;--text:#172033;--muted:#667085;--primary:#1f5eff;
  --primary-dark:#1748c9;--border:#e7eaf0;--soft:#eef4ff;--dark:#0f172a;
}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(circle at top right,rgba(31,94,255,.08),transparent 30rem),linear-gradient(180deg,#f8fbff 0%,#f7f9fc 100%);color:var(--text);line-height:1.65}
a{color:inherit}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}
.sale-banner{background:var(--dark);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.sale-banner-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}.sale-banner-copy{display:flex;flex-direction:column;gap:2px}.sale-banner-copy span{color:#cbd5e1}.sale-banner a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:10px;background:#fff;color:var(--dark);font-weight:800;text-decoration:none;white-space:nowrap}
header{padding:18px 0;border-bottom:1px solid rgba(231,234,240,.9);background:rgba(255,255,255,.88);backdrop-filter:blur(10px);position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{font-weight:850;font-size:1.22rem;letter-spacing:-.035em;text-decoration:none}.brand span{color:var(--primary)}.nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.nav-links a{color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:700}.nav-links a:hover,.nav-links a.active{color:var(--primary)}.language-switch{display:flex;gap:4px;padding:4px;border:1px solid var(--border);background:#fff;border-radius:10px}.language-switch button{border:0;background:transparent;color:var(--muted);font:inherit;font-size:.8rem;font-weight:800;padding:6px 9px;border-radius:7px;cursor:pointer}.language-switch button.active{background:var(--text);color:#fff}
.hero{padding:78px 0 64px}.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:62px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #dbe5ff;background:var(--soft);color:var(--primary);border-radius:999px;font-size:.82rem;font-weight:800;margin-bottom:22px}h1{font-size:clamp(2.8rem,6.5vw,5.4rem);line-height:.98;letter-spacing:-.06em}.hero p,.lead{margin-top:24px;font-size:1.12rem;color:var(--muted);max-width:760px}.actions{margin-top:30px;display:flex;gap:13px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:12px 18px;font-weight:800;transition:.18s ease}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 30px rgba(31,94,255,.18)}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-secondary{background:#fff;border:1px solid var(--border)}.btn-secondary:hover{border-color:#cbd2dc;transform:translateY(-1px)}
.preview,.panel{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:0 24px 70px rgba(31,46,78,.08)}.preview-top{display:flex;gap:7px;margin-bottom:22px}.dot{width:9px;height:9px;border-radius:50%;background:#d9dee7}.mini-card{padding:17px;border-radius:15px;border:1px solid var(--border);margin-top:11px;background:#fbfcfe}.mini-card strong{display:block;margin-bottom:4px}.mini-card span{color:var(--muted);font-size:.92rem}
.section{padding:72px 0}.section.alt{background:rgba(255,255,255,.56);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-title{max-width:800px;margin:0 auto 38px;text-align:center}.section-title.left{margin-left:0;text-align:left}.section-title h2{font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.045em;line-height:1.08}.section-title p{color:var(--muted);margin-top:12px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards.two{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:25px;text-decoration:none;transition:.18s ease}.card:hover{transform:translateY(-2px);box-shadow:0 15px 38px rgba(31,46,78,.07)}.icon{width:42px;height:42px;border-radius:12px;background:var(--soft);display:grid;place-items:center;color:var(--primary);font-weight:900;margin-bottom:17px}.card h3{font-size:1.08rem;margin-bottom:7px}.card p{color:var(--muted);font-size:.95rem}.card .more{display:inline-block;margin-top:14px;color:var(--primary);font-weight:800;font-size:.92rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.prose{max-width:840px}.prose h2{margin-top:34px;font-size:1.75rem;letter-spacing:-.03em}.prose h3{margin-top:26px;font-size:1.18rem}.prose p{margin-top:12px;color:#475467}.prose ul,.prose ol{margin:12px 0 0 20px;color:#475467}.prose li{margin:7px 0}.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.tag{padding:7px 10px;border-radius:999px;border:1px solid #dbe5ff;background:var(--soft);color:var(--primary);font-size:.82rem;font-weight:800}.callout{margin-top:24px;padding:20px;border-left:4px solid var(--primary);background:#fff;border:1px solid var(--border);border-left-width:4px;border-radius:14px;color:#475467}.steps{counter-reset:step}.step{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--border)}.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);width:44px;height:44px;border-radius:12px;background:var(--soft);color:var(--primary);display:grid;place-items:center;font-weight:900}.step:last-child{border-bottom:0}.step h3{margin-bottom:4px}.step p{color:var(--muted)}
.cta{margin:46px auto 76px;background:var(--text);color:#fff;border-radius:24px;padding:46px;text-align:center}.cta h2{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.045em}.cta p{color:#cbd2dc;margin-top:10px}.cta .btn-secondary{margin-top:20px;background:#fff;color:var(--text)}
.breadcrumbs{padding-top:26px;color:var(--muted);font-size:.9rem}.breadcrumbs a{text-decoration:none;color:var(--primary);font-weight:700}
footer{border-top:1px solid var(--border);padding:28px 0 40px;color:var(--muted);font-size:.9rem}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.footer-links a{text-decoration:none}.disclaimer{font-size:.82rem;color:#98a2b3;margin-top:14px;max-width:760px}
@media(max-width:920px){.nav-links a{display:none}.hero-grid,.grid-2{grid-template-columns:1fr}.cards,.cards.two{grid-template-columns:1fr 1fr}.preview{max-width:620px}}
@media(max-width:640px){.container{width:min(100% - 26px,1120px)}.sale-banner-inner{flex-direction:column;align-items:stretch;text-align:center;gap:10px;padding:13px 0}.sale-banner a{width:100%}.hero{padding:56px 0 44px}h1{font-size:clamp(2.5rem,14vw,4rem)}.cards,.cards.two{grid-template-columns:1fr}.cta{padding:34px 22px}.footer-row{align-items:flex-start;flex-direction:column}}

/* Extended conceptual-site components */
.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;font-weight:900;color:var(--primary);margin-bottom:10px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:26px}.stat{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}.stat strong{display:block;font-size:1.45rem;letter-spacing:-.03em}.stat span{display:block;color:var(--muted);font-size:.88rem;margin-top:3px}
.matrix{width:100%;border-collapse:separate;border-spacing:0;margin-top:22px;background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden}.matrix th,.matrix td{padding:14px 15px;border-bottom:1px solid var(--border);border-right:1px solid var(--border);text-align:left;vertical-align:top;font-size:.92rem}.matrix th{background:#f8fafc;color:var(--text);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}.matrix tr:last-child td{border-bottom:0}.matrix th:last-child,.matrix td:last-child{border-right:0}.matrix td{color:#475467}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:24px}.flow-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}.flow-item strong{display:block;margin-bottom:6px}.flow-item span{color:var(--muted);font-size:.88rem}.flow-item:not(:last-child)::after{content:'→';position:absolute;right:-10px;top:50%;transform:translateY(-50%);z-index:2;color:var(--primary);font-weight:900;background:var(--bg);padding:2px}
.badge{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;background:var(--soft);border:1px solid #dbe5ff;color:var(--primary);font-size:.75rem;font-weight:900;margin-bottom:10px}
.resource-list{display:grid;gap:12px;margin-top:22px}.resource-row{display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center;padding:18px 20px;background:#fff;border:1px solid var(--border);border-radius:14px;text-decoration:none}.resource-row small{color:var(--primary);font-weight:900;text-transform:uppercase;letter-spacing:.05em}.resource-row p{color:var(--muted);font-size:.92rem}.resource-row b{color:var(--primary)}
@media(max-width:920px){.stat-grid{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:1fr 1fr}.flow-item::after{display:none}.resource-row{grid-template-columns:120px 1fr}}
@media(max-width:640px){.stat-grid,.flow{grid-template-columns:1fr}.matrix{display:block;overflow-x:auto}.resource-row{grid-template-columns:1fr}.resource-row b{display:none}}

/* Research portal components */
.hero.compact{padding:54px 0 38px}.hero.compact h1{max-width:960px;font-size:clamp(2.6rem,5.7vw,4.7rem)}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.topic-card{display:block;background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;text-decoration:none;transition:.18s ease}.topic-card:hover{transform:translateY(-2px);box-shadow:0 15px 38px rgba(31,46,78,.07)}.topic-card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.topic-card h3{font-size:1.22rem;margin-bottom:7px}.topic-card p{color:var(--muted)}
.article-list{display:grid;gap:14px}.article-item{display:grid;grid-template-columns:140px 1fr auto;gap:18px;align-items:start;background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;text-decoration:none}.article-item time{font-size:.85rem;color:var(--muted)}.article-item h3{margin-bottom:5px}.article-item p{color:var(--muted);font-size:.94rem}.article-item .more{color:var(--primary);font-weight:800}
.glossary{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.term{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px}.term dt{font-weight:850;font-size:1.06rem}.term dd{margin-top:6px;color:var(--muted)}
.related{margin-top:34px;padding-top:26px;border-top:1px solid var(--border)}.related-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.related-links a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 11px;text-decoration:none;font-size:.85rem;font-weight:800;color:var(--primary)}
@media(max-width:760px){.topic-grid,.glossary{grid-template-columns:1fr}.article-item{grid-template-columns:1fr}.article-item .more{display:none}}