:root{--ocean:#1F4E8C;--ocean-dark:#0A2B52;--ocean-light:#2A6F97;--gold:#C9A227;--silver:#C0C5CC;--silver-light:#E9ECEF;--ink:#0A2B52;--muted:#4A5562;--bg:#E9ECEF;--card:#fff;--line:#C0C5CC;--accent:#1F4E8C;--accent-ink:#fff;--max:62rem}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent)}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);box-shadow:0 0 0 5px var(--ocean-dark);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.1rem}
.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:9}
header.site{border-bottom:4px solid var(--gold);background:var(--ocean);color:#fff}header.site a,header.site .brand{color:#fff}header.site nav a[aria-current]{color:#fff;box-shadow:inset 0 -3px 0 var(--gold)}
header.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;min-height:3.5rem;gap:0 .5rem}
.brand{display:inline-flex;align-items:center;gap:.55rem;min-height:44px;font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink);letter-spacing:-.01em}
nav a{text-decoration:none;font-weight:600;display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:0 .5rem}
header.site nav{display:flex;flex-wrap:wrap;gap:0 .25rem;justify-content:flex-end}
.hero{padding:3rem 0 2rem;background:var(--ocean-dark);color:#fff}.hero p.lead{color:var(--silver-light)!important}
.hero h1{font-size:clamp(2rem,6.5vw,3.4rem);line-height:1.08;max-width:22ch;margin:0 0 .6rem;letter-spacing:-.03em}
.hero p.lead{font-size:1.25rem;max-width:38rem;margin:0 0 1.4rem;color:var(--muted)}
.btn{display:inline-block;background:var(--gold);color:var(--ocean-dark);padding:.8rem 1.3rem;border-radius:.4rem;text-decoration:none;font-weight:700;border:0;font-size:1rem;cursor:pointer;min-height:44px}
.btn.ghost{background:transparent;color:var(--ocean);border:2px solid var(--ocean)}.hero .btn.ghost{color:#fff;border-color:#fff}.btn:hover{filter:brightness(1.08)}
.grid{display:grid;gap:1.25rem}@media(min-width:48rem){.grid.two{grid-template-columns:1fr 1fr}}
section.block{padding:2rem 0}section.block h2{font-size:1.6rem;margin:0 0 .8rem;color:var(--ocean)}h2,h3{color:var(--ocean)}.hero h1{color:#fff}
.card{background:var(--card);border:1px solid var(--line);border-radius:.6rem;padding:1.4rem}
.totd{border-top:8px solid var(--gold);box-shadow:0 2px 0 var(--silver);max-width:40rem}
.totd .cal{display:flex;align-items:baseline;gap:.6rem;border-bottom:1px dashed var(--line);padding-bottom:.6rem;margin-bottom:.8rem}
.totd .dow{text-transform:uppercase;font-size:.8rem;letter-spacing:.12em;color:var(--muted);font-weight:700}
.totd .day{font-size:2.6rem;font-weight:800;line-height:1}.totd .mon{font-size:1.1rem;font-weight:700}
.totd h3{font-size:1.35rem;margin:.2rem 0 .5rem}
.meta{display:flex;gap:.6rem;flex-wrap:wrap;font-size:.9rem;color:var(--muted);margin:.4rem 0 0}

.controls{display:flex;gap:.5rem;align-items:center;margin-top:1rem;flex-wrap:wrap}
.controls button{min-width:44px;min-height:44px;border:1px solid var(--line);background:var(--bg);border-radius:.4rem;font-size:1rem;cursor:pointer;color:var(--ink)}
.controls .today{padding:0 .8rem}.controls .share{margin-left:auto;padding:0 .9rem}
.nudge{margin-top:1rem;padding-top:.8rem;border-top:1px solid var(--line);font-size:.95rem}
.status{min-height:1.2em;font-size:.85rem;color:#2E6B3A}.controls button{border-color:var(--silver);background:var(--silver-light);color:var(--ocean)}
footer{border-top:4px solid var(--gold);padding:2rem 0 3rem;color:var(--silver-light);font-size:.9rem;background:var(--ocean)}footer a{color:#fff}
ol.arch{list-style:none;padding:0;display:grid;gap:.8rem}ol.arch h3{font-size:1.05rem;margin:0 0 .3rem}ol.arch article{background:var(--card);border:1px solid var(--line);border-radius:.5rem;padding:1rem}
.toc a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;margin:.15rem .2rem .15rem 0;padding:0 .3rem}
:target article{outline:3px solid var(--gold)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);clip-path:inset(50%);white-space:nowrap;border:0}
.brand img{display:block;width:40px;height:40px;border-radius:6px;box-shadow:0 0 0 1px rgba(233,236,239,.6)}
.why{margin:.5rem 0 0;color:var(--ink)}.why strong,.meta strong{color:var(--ocean)}
.hero-grid{display:grid;gap:1.5rem;align-items:start}@media(min-width:56rem){.hero-grid{grid-template-columns:1.1fr 1fr}}
.starter{color:var(--ink);border-top:8px solid var(--gold);max-width:32rem}.starter h2{margin:0 0 .4rem;font-size:1.4rem;color:var(--ocean)}
.starter label{display:block;font-weight:700;margin:.8rem 0 .25rem;color:var(--ocean)}
.starter select,.starter input{width:100%;min-height:44px;font:inherit;padding:.45rem .6rem;border:2px solid var(--ocean);border-radius:.4rem;background:#fff;color:var(--ink)}
.starter select:focus-visible,.starter input:focus-visible{outline:3px solid var(--gold);box-shadow:0 0 0 5px var(--ocean-dark);outline-offset:2px}
.starter input[aria-invalid="true"]{border-color:#B00020}
.starter .help{margin:.25rem 0 0;font-size:.9rem;color:var(--muted)}
.starter .next{font-weight:700;font-size:1.1rem;margin:1rem 0 .6rem;color:var(--ocean-dark)}
.starter .starter-cta{margin:.6rem 0 0}.starter .btn.ghost{color:var(--ocean);border-color:var(--ocean)}
.shop{margin-top:1rem;padding:.8rem 1rem;border:1px dashed var(--line);border-radius:.5rem;background:var(--silver-light)}.shop p{margin:.3rem 0}
.shop .btn{margin:.2rem 0 .3rem}.disclosure{font-size:.85rem;color:var(--muted)}
.card.short{max-width:36rem}.card.short h1{color:var(--ocean);margin:0 0 .6rem;font-size:2rem}
.starter .status{margin:.3rem 0 0;min-height:0}
.page-h{color:var(--ocean);font-size:clamp(1.9rem,5vw,2.6rem);margin:0 0 .5rem}.intro{max-width:40rem;font-size:1.1rem}.help{font-size:.9rem;color:var(--muted)}
.kd-grid{display:grid;gap:1rem;margin:1rem 0}@media(min-width:48rem){.kd-grid{grid-template-columns:1fr 1fr}}
.kd-month h2{font-size:1.25rem;margin:0 0 .5rem;color:var(--ocean)}
ul.kd{list-style:none;margin:0;padding:0}ul.kd li{padding:.55rem 0;border-top:1px solid var(--line);display:grid;grid-template-columns:6.5rem 1fr;gap:.6rem}ul.kd li:first-child{border-top:0}
.kd-when{font-weight:700;color:var(--ocean-dark)}.kd-year{font-weight:400;color:var(--muted);font-size:.9rem;display:block}
@media(max-width:30rem){ul.kd li{grid-template-columns:1fr;gap:.1rem}.kd-year{display:inline}}
.kd-preview{max-width:40rem}ol.kd-next{list-style:none;margin:0 0 .8rem;padding:0}ol.kd-next>li{padding:.5rem 0;border-top:1px solid var(--line)}ol.kd-next>li:first-child{border-top:0}
.kd-date{font-weight:700;color:var(--ocean);margin:0 0 .2rem}ol.kd-next ul{margin:0;padding-left:1.1rem}.kd-links{display:flex;flex-wrap:wrap;gap:.5rem;margin:0}