/* NAN 2026 invitation: scoped styles; existing website navigation is unchanged. */
.nan-home-banner{background:#162d4a;color:#fff;border-bottom:4px solid #cc4c43;padding:24px 0}
.nan-home-banner .container{display:flex;align-items:center;justify-content:space-between;gap:28px}
.nan-home-banner p{margin:.25rem 0;color:#eef2f8;line-height:1.55}
.nan-home-banner h2{color:#fff;font-family:var(--sans,Arial,sans-serif);font-size:clamp(1.2rem,2.1vw,1.65rem);margin:0 0 .45rem;line-height:1.3}
.nan-home-banner a.nan-button{flex-shrink:0}
.nan-home-banner .nan-eyebrow,.nan-eyebrow{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;font-weight:650}
.nan-button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;text-align:center;padding:13px 20px;background:#fff;color:#162d4a!important;border:1px solid #fff;font-size:.95rem;font-weight:600;line-height:1.4;text-decoration:none!important;min-height:48px}
.nan-button:hover,.nan-button:focus-visible{background:#edf1f7;outline:2px solid #cc4c43;outline-offset:3px}
.nan-button-primary{background:#162d4a;color:#fff!important;border-color:#162d4a}
.nan-button-primary:hover,.nan-button-primary:focus-visible{background:#254366}
.nan-button-secondary{border-color:#d6dce5;background:transparent}
.nan-intro{background:#f4f5f8;border-bottom:1px solid #dfe3e9;padding:32px 0 50px}
.nan-intro .breadcrumb{margin-bottom:30px}
.nan-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:58px;align-items:center}
.nan-intro h1{font-size:clamp(2.35rem,4.6vw,3.8rem);line-height:1.12;max-width:760px;margin:16px 0 22px;color:#162d4a;letter-spacing:-.035em}
.nan-intro .nan-lead{font-size:1.2rem;max-width:710px;line-height:1.6;margin-bottom:18px;color:#363e49}
.nan-intro .contribution-authors{font-size:1.02rem;margin:0 0 7px}
.nan-intro .contribution-affiliations{font-size:.92rem;color:#656b75;margin:0}
.nan-meeting-card{padding:28px;background:#fff;border-top:5px solid #cc4c43;box-shadow:0 8px 28px #162d4a0d}
.nan-meeting-card .nan-poster-number{font-size:3.45rem;line-height:1;font-weight:700;color:#162d4a;margin:9px 0 23px;letter-spacing:-.035em}
.nan-meeting-card p{margin:0 0 17px;line-height:1.5}
.nan-meeting-card p:last-child{margin:0}
.nan-meeting-card small{display:block;color:#646d79;font-size:.88rem;line-height:1.5}
.nan-meeting-card .nan-eyebrow{color:#b43b35;margin:0}
.nan-section{padding:52px 0;border-bottom:1px solid #e4e5e8}
.nan-section h2{font-size:clamp(1.45rem,2.4vw,1.85rem);margin:0 0 18px;line-height:1.35}
.nan-section p{max-width:830px}
.nan-section .nan-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 0}
.nan-study-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:58px}
.nan-study-grid h2{margin-bottom:20px}
.nan-stat{display:flex;align-items:baseline;gap:12px;margin:0 0 20px}
.nan-stat strong{font-size:3rem;line-height:1;font-weight:650;color:#162d4a}
.nan-stat span{color:#626a75;font-size:.95rem}
.nan-model-note{border-left:3px solid #826394;padding-left:24px}
.nan-pdf-note{font-size:.94rem;color:#686d75;margin:22px 0 0}
.nan-abstract-title{max-width:940px;font-family:var(--serif,Georgia,serif);font-weight:400}
.nan-citation{font-size:.98rem;color:#505762;line-height:1.7}
.nan-related{display:flex;flex-wrap:wrap;gap:12px 25px;margin-top:22px}
.nan-related a{font-weight:600;font-size:.96rem}
.nan-entry-invitation{display:block;padding:12px 0 0;font-weight:600;color:#162d4a}
@media(max-width:850px){.nan-hero-grid{grid-template-columns:minmax(0,1fr) 280px;gap:30px}.nan-study-grid{gap:32px}.nan-home-banner .container{align-items:flex-start;gap:20px}.nan-home-banner a.nan-button{max-width:240px}}
@media(max-width:650px){.nan-home-banner .container{display:block}.nan-home-banner a.nan-button{margin-top:17px;max-width:none}.nan-intro{padding:26px 0 34px}.nan-hero-grid,.nan-study-grid{grid-template-columns:1fr;gap:30px}.nan-intro .breadcrumb{margin-bottom:23px}.nan-intro h1{font-size:2.5rem}.nan-intro .nan-lead{font-size:1.1rem}.nan-meeting-card{padding:24px}.nan-poster-number{font-size:3rem!important}.nan-section{padding:36px 0}.nan-section p{font-size:1rem}.nan-model-note{padding-left:20px}.nan-actions .nan-button{width:100%}}
@media print{.nan-home-banner,.nan-actions{display:none}.nan-intro,.nan-section{padding:20pt 0}.nan-hero-grid,.nan-study-grid{display:block}.nan-meeting-card{box-shadow:none;margin:20px 0;border:1px solid #ddd}.nan-model-note{margin-top:20px}.nan-intro h1{font-size:26pt}}