/* One visual language for public navigation and launch invitations. */
.bk80-site{--bk80-ink:#153c35;--bk80-orange:#ff9d1b;--bk80-paper:#fffefa;--bk80-muted:#52665e}
.bk80-site .site-header.bk53-header{position:relative;background:#fff;border-bottom:1px solid #e8ebe4;box-shadow:none;padding:0;z-index:30}
.bk80-site .site-header-inner{max-width:1280px;width:calc(100% - 64px);min-height:86px;margin:auto;display:flex;align-items:center;gap:24px}
.bk80-site .bk53-nav{margin-left:auto;display:flex;gap:25px;align-items:center}
.bk80-site .bk53-nav a{font-family:Manrope,system-ui,sans-serif;font-size:14px;font-weight:700;color:#314c43;text-decoration:none;white-space:nowrap}
.bk80-site .bk53-nav a:hover{color:#996018;text-decoration:underline;text-underline-offset:5px}
.bk80-site .bk53-nav .bk53-nav-login{display:block!important;border-left:1px solid #dce3dc;padding-left:24px}
.bk80-site a.bk53-cta{background:#ff9d1b;color:#193a31;border:1px solid #f29824;border-radius:9px;min-height:47px;padding:12px 19px;font-size:14px;font-weight:800;box-shadow:none;white-space:nowrap}
.bk80-site a.bk53-cta:hover{background:#ffb64c;color:#153c35}
.bk80-site .bk53-toggle{display:none}
.bk80-announcement{display:flex;justify-content:center;align-items:center;gap:18px;padding:10px 24px;background:#153c35;color:#fff9e8!important;text-align:center;text-decoration:none!important;font-size:12px;line-height:1.5;font-weight:600;letter-spacing:.015em}
.bk80-announcement strong{color:#ffc66d;font-weight:800}.bk80-announcement span:last-child{font-weight:750;white-space:nowrap}
.bk80-site :is(.bk80-announcement,.bk53-header a,.bk53-header button,.bk80-button):focus-visible{outline:3px solid #2871ca;outline-offset:4px}
.bk80-eyebrow{font-family:Manrope,system-ui,sans-serif;font-size:11px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;line-height:1.65}
.bk80-button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:52px;padding:15px 23px;border:1px solid #e28a10;border-radius:9px;background:#ff9d1b;color:#173d34!important;text-decoration:none!important;font-family:Manrope,system-ui,sans-serif;font-size:15px;font-weight:800;line-height:1.35;text-align:center;white-space:normal}
.bk80-button:hover{background:#ffb74f}.bk80-text-link{font-weight:750;text-underline-offset:5px;color:inherit}
.bk80-side-invite{background:#fff6e5;border:1px solid #e9d8b8;border-top:4px solid #f7a329;padding:24px;border-radius:5px 5px 15px 5px;margin:24px 0;color:#23483c}
.bk80-side-invite h2{font:800 22px/1.25 Manrope,system-ui,sans-serif!important;margin:10px 0 14px!important;letter-spacing:-.035em}
.bk80-side-invite p{font-size:14px;line-height:1.7}.bk80-side-invite .bk80-button{font-size:13px;padding:12px 15px;min-height:46px;width:100%}.bk80-side-invite small{display:block;font-size:11px;line-height:1.5;margin-top:12px;color:#52665e}
.bk80-site .bk72-prose:not(.bk80-lesson-prose) h2{scroll-margin-top:25px}
@media(max-width:1050px){.bk80-site .site-header-inner{gap:18px}.bk80-site .bk53-nav{gap:17px}.bk80-site .bk53-nav .bk53-nav-login{padding-left:16px}}
@media(max-width:900px){.bk80-site .site-header-inner{width:calc(100% - 36px);min-height:74px;gap:12px}.bk80-site .bk53-toggle{display:inline-flex;align-items:center;justify-content:center;order:3;width:42px;min-width:42px;height:44px;margin:0;padding:0;border:1px solid #dce2dc;border-radius:8px;background:white;color:#23483c;font-size:21px}.bk80-site .bk53-menu-word{display:none}.bk80-site a.bk53-cta{margin-left:auto;order:2}.bk80-site .bk53-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:24px;background:#fff;border-bottom:1px solid #dce2dc;box-shadow:0 20px 30px #1e3d3410;margin:0;align-items:stretch;gap:0;z-index:40}.bk80-site .bk53-nav.open{display:flex;flex-direction:column}.bk80-site .bk53-nav a{padding:13px 8px;font-size:16px}.bk80-site .bk53-nav .bk53-nav-login{padding:15px 8px;border-left:0;border-top:1px solid #e3e8e0;margin-top:6px}.bk80-announcement{font-size:11px;gap:8px}.bk80-announcement span:last-child{display:none}}
@media(max-width:480px){.bk80-site .site-header-inner{width:calc(100% - 28px);gap:9px;min-height:70px}.bk80-site a.bk53-cta{font-size:12px;padding:11px 12px;min-height:44px}.bk80-site .bk80-cta-desktop{display:none}.bk80-site .bk80-cta-mobile{display:inline}.bk80-announcement{padding:9px 20px;font-size:10px}.bk80-side-invite{padding:21px}}
@media(min-width:481px){.bk80-cta-mobile{display:none}}