:root{color-scheme:dark;--b-white:#f5f2eb;--b-gold:#e7bf73;--b-muted:#c9cbcc}
*{box-sizing:border-box}
html{min-width:320px}
body{margin:0;color:var(--b-white);font-family:'Segoe UI',Arial,sans-serif;background:#030609 image-set(url('../images/optimized/cassiopeia-background-46aa59ab3001.jpg') type('image/jpeg'), url('../images/cassiopeia-background.jpg') type('image/jpeg')) center center/cover no-repeat fixed}
a{color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #ffe0a0;outline-offset:5px}
.b-header{min-height:84px;background:rgba(0,0,0,.80);display:flex;justify-content:center;align-items:center;padding:10px 26px}
.b-nav{display:flex;gap:clamp(14px,1.6vw,30px);align-items:center;justify-content:center;flex-wrap:wrap}
.b-nav a{color:var(--b-white);text-decoration:none;display:flex;align-items:center;min-height:48px;padding:7px 0;font-size:clamp(16px,1.05vw,20px);border-bottom:1px solid transparent;white-space:nowrap;line-height:1.3;letter-spacing:0;font-weight:400;text-shadow:0 2px 5px #000}
.b-nav a:hover,.b-nav a[aria-current=page]{border-bottom-color:var(--b-white)}
.b-menu{display:none}
.b-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.b-skip{position:fixed;left:8px;top:8px;z-index:10;padding:12px;background:#080d13;transform:translateY(-160%)}
.b-skip:focus{transform:none}
.b-home{background-image:linear-gradient(to right,transparent 47%,rgba(0,0,0,.73) 76%),image-set(url('../images/optimized/cassiopeia-background-46aa59ab3001.jpg') type('image/jpeg'), url('../images/cassiopeia-background.jpg') type('image/jpeg'))}
.b-layout{width:min(1595px,calc(100% - 10vw));margin:59px auto 0;display:grid;grid-template-columns:minmax(0,850fr) minmax(0,615fr);gap:clamp(48px,6.3vw,120px);align-items:start}
.b-brand{margin-top:97px;text-align:center;min-width:0}
.b-brand h1{margin:0;font-size:inherit;line-height:0}
.b-brand img{display:block;width:100%;height:auto}
.b-brand p{font-size:clamp(19px,1.37vw,26px);line-height:1.55;margin:28px -12px 0;text-shadow:0 3px 8px rgba(0,0,0,.95),0 0 12px rgba(0,0,0,.85),0 1px 3px #000}
.b-directory h2{font-family:inherit;font-size:clamp(25px,1.8vw,34px);line-height:1.3;margin:0 0 27px;font-weight:700;letter-spacing:-.02em;text-shadow:0 2px 5px #000}
.b-row{min-height:70px;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 0;text-decoration:none;position:relative;border-bottom:0;text-shadow:0 2px 5px #000;transition:color .15s,background .15s}
.b-row::after{content:"";position:absolute;left:0;bottom:0;width:90%;height:1px;background:#60686c}
.b-row strong{font-size:clamp(21px,1.47vw,28px);font-weight:650;line-height:1.3}
.b-arrow{font-size:25px;font-weight:400;flex-shrink:0;padding-right:4px}
.b-featured{min-height:115px;padding-top:8px;padding-bottom:25px;color:var(--b-gold)}
.b-featured small{display:block;font-size:clamp(16px,1.0vw,19px);margin-top:12px;color:var(--b-muted);line-height:1.5}
.b-row:hover{color:#ffe0a0;background:rgba(255,255,255,.045)}
.b-row:hover strong{text-decoration:underline;text-underline-offset:5px}
.b-archive{font-size:clamp(17px,1.1vw,21px);display:flex;gap:10px;align-items:center;min-height:76px;text-decoration:none;color:var(--b-muted)}
.b-archive:hover{text-decoration:underline;color:var(--b-white)}
.b-support{position:relative;border-top:0;display:flex;justify-content:space-between;align-items:center;gap:18px;padding-top:18px;margin-top:4px;font-size:clamp(14px,.9vw,17px);text-shadow:0 2px 5px #000}
.b-support::before{content:"";position:absolute;left:0;top:0;width:90%;height:1px;background:#53595c}
.b-support p{margin:0;color:var(--b-muted)}
.b-support a{min-height:44px;display:flex;align-items:center;gap:8px;font-size:clamp(15px,1.0vw,19px);text-decoration:none;white-space:nowrap}
.b-support a:hover{text-decoration:underline}
.b-support-details{width:min(700px,calc(100% - 40px));margin:65px auto 0;font-size:15px;line-height:1.6;color:#c9cbcc;text-shadow:0 2px 5px #000}
.b-support-details summary{cursor:pointer;text-align:center;padding:12px}
.b-support-details p{background:rgba(0,0,0,.8);padding:12px 20px;margin:0}
.b-copyright{font-size:12px;text-align:center;margin-top:15px;padding:12px 20px 25px;color:#c9cbcc;line-height:1.6;text-shadow:0 2px 5px #000}
/* The same restrained visual language on existing content pages. */
body:not(.b-home){font-family:'Segoe UI',Arial,sans-serif}
.content-card{border:0;border-radius:0;background:rgba(0,0,0,.85);box-shadow:none;padding:42px}
.content-card h1,.gallery-header h1{font-family:'Segoe UI',Arial,sans-serif;line-height:1.15;letter-spacing:-.025em}
.content-card h2,.content-card h3{font-family:'Segoe UI',Arial,sans-serif}
.astro-gallery-card,.astro-info-box{border-radius:0;box-shadow:none;background:rgba(0,0,0,.82);border-color:#545c61}
.guide-links a,.page-actions a,.astro-page-links a,.support-button{border-radius:0;text-transform:none;letter-spacing:0;font-family:'Segoe UI',Arial,sans-serif}
.support-astroguy{border-radius:0;background:rgba(0,0,0,.8);box-shadow:none}
.guide-item{border:0;border-top:1px solid #596166;border-radius:0;background:transparent;box-shadow:none;padding:26px 0}
@media(max-width:1150px){.b-header{display:block;min-height:64px;padding:8px 20px}.b-menu{display:flex;width:100%;justify-content:space-between;align-items:center;min-height:48px;color:var(--b-white);background:none;border:0;font:600 18px 'Segoe UI',Arial,sans-serif;cursor:pointer}.b-nav{display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 0 16px}.b-nav.is-open{display:flex}.b-nav a{padding:12px 8px;font-size:18px;border-bottom:1px solid #343a3e;white-space:normal}.b-layout{width:92%;gap:38px;margin-top:40px}.b-brand{margin-top:100px}.b-wide-break{display:none}.b-brand p{margin-left:0;margin-right:0}.b-support{flex-wrap:wrap;gap:0}.b-row strong{font-size:22px}}
@media(max-width:800px){body{background-attachment:scroll;background-position:center top;background-size:auto 100%}.b-home{background-image:linear-gradient(rgba(0,0,0,.15),rgba(0,0,0,.6)),image-set(url('../images/optimized/cassiopeia-background-46aa59ab3001.jpg') type('image/jpeg'), url('../images/cassiopeia-background.jpg') type('image/jpeg'))}.b-layout{display:flex;flex-direction:column;width:min(620px,calc(100% - 40px));gap:42px;margin-top:28px}.b-brand{margin-top:0;width:100%}.b-brand img{max-width:560px;margin:auto}.b-brand p{font-size:20px;line-height:1.5;margin:20px auto 0;max-width:510px}.b-directory{width:100%}.b-directory h2{font-size:28px;margin-bottom:20px}.b-row{min-height:66px}.b-row strong{font-size:22px}.b-featured{min-height:112px}.b-featured small{font-size:17px}.b-archive{min-height:68px;font-size:19px}.b-support{font-size:15px}.b-support a{font-size:17px}.b-support-details{margin-top:38px}.content-card{padding:28px 22px}.content-page{padding:32px 16px}.b-copyright{font-size:11px}}
@media(prefers-reduced-motion:reduce){.b-row{transition:none}}

@media(max-width:800px){body,.b-home{background-image:linear-gradient(rgba(0,0,0,.15),rgba(0,0,0,.6)),image-set(url('../images/optimized/cassiopeia-mobile-75ff1b231fb2.webp') type('image/webp'),url('../images/cassiopeia-background.jpg') type('image/jpeg'));background-attachment:scroll}}
picture{display:contents}