:root{
  --paper:#ffffff; --ink:#101820; --navy:#16324a; --mute:#5b6770; --rule:#d9dde1; --wash:#f2f4f6;
  --signal:#e04e1b; --signal-ink:#b53c10;
  --display:'Barlow',system-ui,sans-serif; --body:'Literata',Georgia,serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.6}
a{color:var(--signal-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--signal)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--rule)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
nav.main{display:flex;flex-wrap:wrap;gap:6px 22px}
.brand{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:.01em;color:var(--ink);text-decoration:none}
.brand span{color:var(--signal)}
nav.main a{font-family:var(--display);font-weight:600;font-size:16px;color:var(--ink);text-decoration:none}
nav.main a[aria-current]{color:var(--signal-ink);border-bottom:2px solid var(--signal)}
@media(max-width:640px){header.top .wrap{flex-direction:column;align-items:flex-start;gap:6px}nav.main{gap:4px 16px}nav.main a{font-size:15px}.brand{font-size:20px}}

/* hero */
.sea{background:#9bb9cf url('https://images.squarespace-cdn.com/content/v1/5796455bd482e9897f34b2d0/1469740565797-3F9UOZTVIYHM3L54298V/Bahamas+Flat+Sea+2.jpg?format=2500w') center 60%/cover no-repeat;color:#fff;position:relative}
.sea::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,24,40,.15) 0%,rgba(6,24,40,.55) 100%)}
.sea .wrap{position:relative;z-index:1}
.hero{padding:clamp(72px,14vh,140px) 0 clamp(48px,8vh,80px)}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(42px,7.5vw,92px);line-height:.96;letter-spacing:-.015em;margin:0 0 22px;max-width:14ch;text-shadow:0 2px 24px rgba(0,0,0,.25)}
.hero p{font-size:clamp(18px,2.2vw,22px);max-width:58ch;margin:0 0 8px;color:#fff;text-shadow:0 1px 12px rgba(0,0,0,.3)}
.hero p.by{font-size:16px;color:rgba(255,255,255,.85);margin-top:14px}
.hero a{color:#fff}

/* port board */
.board{margin:40px 0 56px;border-top:3px solid var(--ink)}
.board .hd{display:grid;grid-template-columns:1fr 150px 180px;gap:16px;padding:10px 0;font-family:var(--display);font-weight:600;font-size:14px;color:var(--mute);border-bottom:1px solid var(--rule)}
.board a.row{display:grid;grid-template-columns:1fr 150px 180px;gap:16px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--rule);text-decoration:none;color:var(--ink)}
.board a.row:hover .name{color:var(--signal)}
.board .name{font-family:var(--display);font-weight:700;font-size:clamp(26px,3.4vw,38px);line-height:1;letter-spacing:-.01em}
.board .name small{display:block;font-family:var(--body);font-weight:400;font-size:16px;color:var(--mute);margin-top:6px;letter-spacing:0}
.board .region{font-family:var(--display);font-weight:600;font-size:16px;color:var(--navy)}
.board .checked{font-family:var(--display);font-size:15px;color:var(--mute)}
.board .checked b{color:var(--ink);font-weight:600}
@media(max-width:720px){
  .board .hd{display:none}
  .board a.row{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .board .region::before{content:""}
}
.board .more{padding:18px 0;color:var(--mute);font-size:16px}

/* two-up */
.twoup{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:0 0 64px}
.twoup h2{font-family:var(--display);font-weight:700;font-size:28px;margin:0 0 10px}
.twoup p{margin:0 0 10px;max-width:48ch}
@media(max-width:720px){.twoup{grid-template-columns:1fr;gap:28px}}

/* article */
.article{display:grid;grid-template-columns:240px minmax(0,1fr);grid-template-areas:'t t' 'a c';gap:24px 48px;padding:40px 0 80px}
.article .title{grid-area:t}.article aside{grid-area:a}.article .content{grid-area:c}
@media(max-width:860px){.article{grid-template-columns:1fr;grid-template-areas:'t' 'a' 'c';gap:16px}}
.article aside{position:sticky;top:16px;align-self:start}
.article aside summary{list-style:none;font-family:var(--display);font-size:14px;font-weight:600;color:var(--mute);margin:0 0 8px;cursor:default}
.article aside summary::-webkit-details-marker{display:none}
.article aside h2{font-family:var(--display);font-size:14px;font-weight:600;color:var(--mute);margin:0 0 8px}
.article aside ol{list-style:none;padding:0;margin:0;border-left:2px solid var(--rule)}
.article aside li a{display:block;padding:6px 0 6px 12px;font-family:var(--display);font-size:15px;color:var(--ink);text-decoration:none;line-height:1.3}
.article aside li a:hover{color:var(--signal)}
@media(max-width:860px){
  .article aside{position:static}
  .article aside details summary{font-size:16px;color:var(--ink);cursor:pointer;padding:10px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
  .article aside details summary::before{content:'+ ';color:var(--signal)}
  .article aside details[open] summary::before{content:'- '}
  .article aside ol{columns:2;gap:16px;border:0}
}
.article h1{font-family:var(--display);font-weight:800;font-size:clamp(40px,6vw,72px);line-height:.98;letter-spacing:-.015em;margin:0 0 6px}
.article .lede{font-family:var(--display);font-size:18px;color:var(--navy);margin:0 0 28px}
.prose{max-width:68ch}
.prose h2,.prose h3{font-family:var(--display);font-weight:700;line-height:1.1;margin:44px 0 12px;scroll-margin-top:16px}
.prose h3{font-size:28px}
.prose h2{font-size:32px}
.prose p{margin:0 0 18px}
.prose em:first-child{color:var(--mute)}
.prose ul{padding-left:22px;margin:0 0 18px}
.prose li{margin:0 0 10px}
.prose li ul{margin-top:8px}
.prose hr{border:0;border-top:1px solid var(--rule);margin:36px 0}
.prose strong{font-weight:600;color:var(--ink)}
.prose blockquote{margin:0 0 18px;padding-left:16px;border-left:3px solid var(--signal);color:var(--navy)}
.notice{background:var(--wash);border-left:4px solid var(--signal);padding:14px 18px;margin:0 0 28px;font-family:var(--display);font-size:16px}
.changes{margin:48px 0 0;max-width:68ch;border-top:3px solid var(--ink);padding-top:12px}
.changes h2{font-family:var(--display);font-size:20px;margin:0 0 8px}
.changes ul{padding-left:20px;margin:0;font-size:16px}
.changes li{margin:0 0 6px}
.fix{margin:24px 0 0;padding:24px;background:var(--wash);max-width:68ch;font-family:var(--display);font-size:17px}
.fix b{display:block;font-size:20px;margin-bottom:6px}

/* signup */
.vh{position:absolute;left:-9999px}
.signup form{display:flex;gap:8px;max-width:440px;flex-wrap:wrap}
.signup input{flex:1 1 220px;font:16px var(--display);padding:12px 14px;border:2px solid var(--ink);background:#fff;color:var(--ink);min-width:0}
.signup button{font:600 16px var(--display);padding:12px 18px;border:2px solid var(--signal);background:var(--signal);color:#fff;cursor:pointer}
.signup button:hover{background:var(--signal-ink);border-color:var(--signal-ink)}
footer{border-top:1px solid var(--rule);padding:32px 0 48px;color:var(--mute);font-size:15px;font-family:var(--display)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between}
footer a{color:var(--ink);text-decoration:none}
footer a:hover{color:var(--signal)}
@media(prefers-reduced-motion:no-preference){a{transition:color .12s}}