:root{--airvan-blue:#102b4e;--research:#123b66}
.site-header .header-inner{display:grid;grid-template-columns:minmax(385px,1fr) minmax(610px,1.4fr);gap:30px;min-height:216px;padding-block:24px;align-items:start}.header-identity{padding-top:6px;min-width:0}.site-header .brand{display:flex;width:auto;max-width:100%;gap:24px;line-height:1.2;letter-spacing:0;min-height:64px}.airvan-emblem{width:170px;height:auto;flex:0 0 170px;pointer-events:none;user-select:none}.brand-wordmark{display:flex;flex-direction:column;gap:7px;min-width:0}.brand-wordmark strong{font-size:31px;font-weight:750;letter-spacing:.12em;line-height:1.1}.brand-description{font-size:18px;font-weight:500;letter-spacing:-.025em;white-space:nowrap}.header-author{margin:18px 0 0 194px;font-size:14px;line-height:1.65;font-weight:500;color:var(--muted)}.header-author span{display:block}.header-author span:last-child{color:var(--ink);font-size:17px;font-weight:550}
.site-header .stepped-nav{display:grid;grid-template-columns:repeat(7,max-content);grid-template-rows:repeat(6,21px) 42px;gap:0 10px;align-items:start;justify-content:end;font-size:13px;line-height:1.4}.site-header .stepped-nav .nav-step{display:flex;align-items:center;justify-content:center;min-height:42px;padding:9px 11px;border:1px solid var(--step-border);background:var(--step-bg);color:#172f44;font-weight:650;white-space:nowrap;text-decoration:none;transition:background .18s,border-color .18s}.site-header .stepped-nav a::after{display:none}.site-header .stepped-nav .nav-step>span{text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 19%,transparent);text-decoration-thickness:1px;text-underline-offset:6px;transition:text-decoration-color .18s}.site-header .stepped-nav a:hover span,.site-header .stepped-nav a:focus-visible span{text-decoration-color:currentColor}.site-header .stepped-nav a:hover{border-color:var(--step-ink)}
.nav-step-1{grid-area:1/1;--step:1;--step-border:#69b7b6;--step-bg:#effafa;--step-ink:#1c7474}.nav-step-2{grid-area:2/2;--step:2;--step-border:#d99999;--step-bg:#fff4f2;--step-ink:#a64a4a}.nav-step-3{grid-area:3/3;--step:3;--step-border:#a6bf7d;--step-bg:#f5faee;--step-ink:#507529}.nav-step-4{grid-area:4/4;--step:4;--step-border:#8fb2d4;--step-bg:#f0f6fd;--step-ink:#375f9d}.nav-step-5{grid-area:5/5;--step:5;--step-border:#ba9bd2;--step-bg:#f8f2fc;--step-ink:#7d529e}.nav-step-6{grid-area:6/6;--step:6;--step-border:#d0a26d;--step-bg:#fff7ed;--step-ink:#93622c}.nav-step-7{grid-area:7/7;--step:7;--step-border:#d29ac2;--step-bg:#fdf1f9;--step-ink:#9c5283}
.home-duo{background:linear-gradient(105deg,#edf9ff 0%,#d5ecf6 34%,#9bc4db 44%,#386487 53%,#163652 63%,#09182d 82%,#030b1b 100%)}.home-panels{display:grid;grid-template-columns:1fr 1fr;gap:0}.home-panel{padding-block:42px 46px;min-width:0}.home-panel-photos{padding-right:64px}.home-panel-research{padding-left:64px;color:#fff}.home-panel h2{font-size:clamp(29px,3vw,44px);font-weight:550;line-height:1.2;letter-spacing:-.042em;min-height:100px;margin-bottom:20px}.home-panel-research h2{font-size:clamp(28px,2.65vw,38px);line-height:1.3;letter-spacing:-.03em}.home-link-list{list-style:none;padding:0;margin:0}.home-link-list li{margin:0;border-bottom:1px solid rgba(20,43,64,.13)}.home-panel-research li{border-color:rgba(225,237,248,.17)}.home-link-list a{display:flex;align-items:baseline;gap:18px;min-height:46px;padding:10px 0;font-size:16px;line-height:1.5;text-decoration:none!important}.home-link-number{min-width:17px;font-size:13px;opacity:.64;font-variant-numeric:tabular-nums}.home-link-title{flex:1;max-width:100%;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px;text-decoration-color:color-mix(in srgb,currentColor 19%,transparent);transition:text-decoration-color .2s}.home-link-list a:hover .home-link-title,.home-link-list a:focus-visible .home-link-title{text-decoration-color:currentColor}.home-link-arrow{font-size:17px;opacity:.65;flex-shrink:0}.home-link-list a:hover .home-link-arrow{opacity:1}.home-panel-research a:hover{color:#fff}.home-panel-photos a:hover{color:var(--ink)}
.emblem-story{display:grid;grid-template-columns:124px minmax(0,920px);gap:58px;padding-block:52px 55px;align-items:center}.emblem-story>img{width:124px;height:auto}.emblem-story p{font-size:15px;line-height:1.8;color:var(--muted)}.emblem-story p+p{margin-top:12px}.template-home .site-footer{border-top:1px solid var(--line)}.site-footer .footer-brand{display:flex;align-items:center;gap:18px;width:auto;line-height:1.2;font-size:22px;font-weight:750;letter-spacing:.1em}.footer-brand .airvan-emblem{width:170px;flex-basis:170px}.footer-top{grid-template-columns:minmax(385px,1.3fr) 1fr 1fr;gap:45px;padding-top:45px;padding-bottom:36px}.footer-nav{grid-template-columns:1fr 1fr;gap:10px 20px;padding-top:0}.footer-contact{padding-top:0}.footer-contact a{overflow-wrap:anywhere}
.native-video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#091522;border:0;height:auto;max-height:none}.video-file-info{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:18px 0 44px;font-size:14px;color:var(--muted)}.video-file-info a{display:inline-flex;gap:15px;color:var(--ink)}.video-row h2{font-size:1.25rem;font-weight:500;letter-spacing:-.02em;line-height:1.4;flex:1}.video-duration{font-size:13px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}.personal-photo-grid{gap:30px 24px}.personal-photo-grid figure{min-width:0}.personal-photo-grid a{aspect-ratio:4/3;background:var(--pale)}.personal-photo-grid img{width:100%;height:100%;object-fit:contain}.personal-photo-grid figcaption{font-size:14px;line-height:1.5;margin-top:12px;color:var(--muted)}.album-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.album-card img{aspect-ratio:4/3;object-fit:cover;width:100%}.album-card h3{display:flex;justify-content:space-between;gap:16px;font-size:1.45rem;line-height:1.3;margin-top:18px}.album-card h3>span{font:inherit;color:inherit;white-space:normal;margin:0}.album-card h3>span:first-child{min-width:0}.album-card h3>[aria-hidden]{flex-shrink:0;font-size:1.2rem;font-weight:400;padding-top:3px}.album-card h3 span:first-child{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px;text-decoration-color:color-mix(in srgb,currentColor 19%,transparent)}.album-card:hover h3 span:first-child{text-decoration-color:currentColor}.album-card p{font-size:13px;color:var(--muted);margin-top:8px}.document-meta b{min-width:48px}.document-meta,.document-meta *{text-decoration:none!important}.document-meta .document-size{min-width:58px;text-align:right}
@media(min-width:1450px){.site-header .stepped-nav{font-size:14px}.site-header .stepped-nav .nav-step{padding-inline:15px}}
@media(max-width:1230px) and (min-width:1101px){.site-header .header-inner{grid-template-columns:minmax(330px,1fr) minmax(570px,1.4fr);gap:25px}.site-header .stepped-nav{font-size:12px}.site-header .stepped-nav .nav-step{padding-inline:9px}.site-header .brand{gap:16px}.airvan-emblem{width:140px;flex-basis:140px}.brand-wordmark strong{font-size:27px}.brand-description{font-size:16px}.header-author{margin-left:156px;font-size:13px}.header-author span:last-child{font-size:15px}.home-panel-photos{padding-right:40px}.home-panel-research{padding-left:40px}.home-link-list a{font-size:15px;gap:12px}}
@media(max-width:1100px){.site-header .header-inner{display:flex;min-height:122px;align-items:flex-start;flex-wrap:wrap;gap:18px;padding-block:18px;position:relative}.header-identity{flex:1;padding-top:0}.site-header .brand{gap:20px;min-height:54px}.airvan-emblem{width:150px;flex-basis:150px}.brand-wordmark strong{font-size:28px}.brand-description{font-size:17px}.header-author{margin:14px 0 0 170px;font-size:13px}.header-author span:last-child{font-size:15px}.site-header .menu-toggle{display:flex;width:44px;height:44px;min-width:44px;padding:12px;align-items:center;justify-content:center;margin-top:5px;gap:0}.menu-toggle>span:first-child{display:none}.site-header .stepped-nav{display:none;width:100%;grid-template-columns:1fr;grid-template-rows:none;position:static;padding:0 0 6px;background:white;border:0;box-shadow:none;font-size:15px;gap:7px;justify-content:stretch}.site-header .stepped-nav.is-open{display:grid}.site-header .stepped-nav .nav-step{grid-area:auto;justify-content:flex-start;min-height:44px;padding:10px 16px;margin-left:calc((var(--step) - 1)*9px)}.home-panel-photos{padding-right:32px}.home-panel-research{padding-left:32px}.home-panel h2{font-size:30px;min-height:108px}.home-panel-research h2{font-size:27px}.home-link-list a{font-size:15px;gap:12px}.home-panel{padding-block:34px 38px}.emblem-story{gap:30px;grid-template-columns:100px 1fr}.emblem-story>img{width:100px}.footer-top{gap:30px;grid-template-columns:1fr 1fr}.footer-contact{grid-column:1/-1}.album-grid{gap:20px}}
@media(max-width:650px){.home-duo{background:linear-gradient(180deg,#edf9ff 0%,#d5ecf6 35%,#9bc4db 45%,#386487 51%,#163652 58%,#09182d 82%,#030b1b 100%)}.home-panels{display:block;width:100%}.home-panel{padding:30px 28px 34px}.home-panel-photos{background:transparent;padding-bottom:52px}.home-panel-research{background:transparent;padding-top:44px}.home-panel h2{font-size:36px;min-height:0;margin-bottom:20px}.home-panel-research h2{font-size:30px;line-height:1.25}.home-link-list a{font-size:16px;min-height:46px;gap:15px}.emblem-story{grid-template-columns:1fr;gap:24px;padding-block:34px}.emblem-story>img{width:100px}.emblem-story p{font-size:14px}.footer-top{grid-template-columns:1fr;gap:28px}.footer-contact{grid-column:auto}.footer-nav{max-width:330px}.album-grid{grid-template-columns:1fr}.personal-photo-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 16px}.personal-photo-grid figcaption{font-size:13px}.video-row{gap:14px}.video-row h2{font-size:1rem}.video-row .video-no{width:20px}.video-file-info{font-size:13px;gap:16px}.video-duration{font-size:12px}}
@media(max-width:480px){.site-header .header-inner{min-height:119px;padding-block:15px;gap:12px}.site-header .brand{gap:13px;max-width:none}.airvan-emblem{width:99px;flex-basis:99px}.brand-wordmark strong{font-size:24px;letter-spacing:.11em}.brand-description{font-size:14px;letter-spacing:-.025em}.header-author{margin:10px 0 0 112px;font-size:11.5px;line-height:1.6}.header-author span:last-child{font-size:13px}.site-header .menu-toggle{margin-top:5px}.home-panel{padding-inline:25px}.home-panel h2{font-size:33px}.home-panel-research h2{font-size:28px}.home-link-list a{font-size:15px}.video-row .video-no{display:none}.document-meta{gap:10px}.document-meta b{min-width:46px}.document-meta .document-size{min-width:51px}.document-list a{gap:15px}.personal-photo-grid{grid-template-columns:1fr 1fr}.footer-bottom{font-size:11px}}
@media(max-width:360px){.site-header .brand{gap:10px}.airvan-emblem{width:83px;flex-basis:83px}.brand-wordmark strong{font-size:22px}.brand-description{font-size:12px}.header-author{margin-left:93px;font-size:10px}.header-author span:last-child{font-size:12px}}
@media(prefers-reduced-motion:reduce){.home-link-title,.stepped-nav a,.stepped-nav a span{transition:none}}

/* Shared identity, quiet link cues and navigation without self-links. */
.site-footer .footer-brand{gap:24px;letter-spacing:0}
.site-header .stepped-nav{margin-top:0;padding-top:0;border-top:0;flex-wrap:nowrap}
.site-header .stepped-nav [aria-current="page"]{background:transparent;cursor:default}
.site-header .stepped-nav [aria-current="page"]>span{text-decoration:none}
.site-header .stepped-nav [aria-current="location"]{border-color:var(--step-ink)}
.brand[aria-current],.footer-brand[aria-current]{cursor:default}
.footer-nav>[aria-current]{color:var(--muted)}
.home-link-list a:visited{outline:none;border:0}
.home-panel-photos .home-link-title{text-decoration-style:dotted}
.home-panel-research a:visited{color:#e1daef}
.home-panel-research a:hover{color:white}
.album-card h3{text-decoration:none!important}
.album-card h3>span:first-child{text-decoration-line:underline}
.video-row h2{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:6px;text-decoration-color:color-mix(in srgb,currentColor 19%,transparent)}
.video-row:hover h2{text-decoration-color:currentColor}
.site-footer{--link-underline:rgba(93,112,128,.3)}
:focus-visible{outline:2px solid #426ac2;outline-offset:5px}
html[data-input="pointer"] :focus{outline:none}
@media(max-width:1230px) and (min-width:1101px){.site-header .stepped-nav{column-gap:7px}.footer-brand .airvan-emblem{width:140px;flex-basis:140px}.site-footer .footer-brand{gap:16px}.footer-top{grid-template-columns:minmax(330px,1.2fr) 1fr 1fr;gap:30px}}
@media(max-width:1100px){.footer-brand .airvan-emblem{width:150px;flex-basis:150px}.site-footer .footer-brand{gap:20px}.footer-top{grid-template-columns:minmax(370px,1.2fr) 1fr}}
@media(max-width:760px){.header-author{margin-left:0}.footer-top{grid-template-columns:1fr 1fr}.footer-contact{grid-column:auto}}
@media(max-width:650px){.footer-top{grid-template-columns:1fr}.footer-contact{grid-column:1}.home-link-list li{border-color:rgba(20,43,64,.1)}.home-panel-research li{border-color:rgba(225,237,248,.16)}}
@media(max-width:480px){.site-header .brand{gap:12px}.brand-wordmark strong{font-size:24px}.brand-description{font-size:13px}.header-identity{flex-basis:calc(100% - 58px)}.header-author{margin-left:0}.footer-brand .airvan-emblem{width:99px;flex-basis:99px}.site-footer .footer-brand{gap:12px}}
@media(max-width:360px){.site-header .brand,.site-footer .footer-brand{gap:10px}.brand-wordmark strong{font-size:22px}.brand-description{font-size:12px}.footer-brand .airvan-emblem{width:83px;flex-basis:83px}}

/* The wheel preview stays compact; the original opens in the lightbox. */
.prose .wheel-illustration{width:min(100%,420px);margin-inline:auto}.prose .wheel-illustration img{width:100%;height:auto}

/* Body copy is justified; titles, navigation and metadata keep natural spacing. */
main p:not(.eyebrow),.prose li,main figcaption{text-align:justify;text-align-last:start;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:break-word}
@media(max-width:900px) and (min-width:651px){.album-card h3{font-size:1.2rem}}
@media(max-width:650px){.album-card h3{font-size:1.5rem}}

/* Approved identity: a white Moon, two close trails and a shared navy wordmark. */
.site-header .brand,.site-footer .footer-brand{color:var(--airvan-blue)}
.brand-wordmark{gap:3px}
.brand-wordmark strong{font-size:40px;line-height:1;letter-spacing:.11em}
.brand-description{line-height:1.2}
@media(max-width:1230px) and (min-width:1101px){.brand-wordmark strong{font-size:33px}}
@media(max-width:1100px){.brand-wordmark strong{font-size:35px}}
@media(max-width:480px){.brand-wordmark{gap:2px}.brand-wordmark strong{font-size:24px}.brand-wordmark strong,.brand-description{line-height:1}}
@media(max-width:360px){.brand-wordmark{gap:0}.brand-wordmark strong{font-size:22px}.brand-description{font-size:11px}}