/* Design: soft aura gradients, deep teal ink, serif display, hairlines. Looks only. */
:root{--ink:#2c4b49;--ink-soft:#4d6b69;--line:rgba(44,75,73,.28);--paper:rgba(255,255,255,.66);--teal:#4f7d7a;--yes:#2f7d5a;--tight:#b8741f;--no:#b83a3a}
html{min-height:100%;background:
 radial-gradient(60% 45% at 8% 6%,rgba(247,198,176,.85) 0%,rgba(247,198,176,0) 100%),
 radial-gradient(45% 40% at 40% 0%,rgba(244,226,161,.8) 0%,rgba(244,226,161,0) 100%),
 radial-gradient(50% 50% at 92% 20%,rgba(159,211,207,.85) 0%,rgba(159,211,207,0) 100%),
 radial-gradient(45% 45% at 5% 95%,rgba(127,176,230,.7) 0%,rgba(127,176,230,0) 100%),
 radial-gradient(40% 40% at 75% 100%,rgba(242,195,224,.7) 0%,rgba(242,195,224,0) 100%),
 #f1f2f0;background-attachment:fixed}
body{font-family:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;max-width:880px;margin:0 auto;padding:40px 24px 60px;color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;background:transparent}
.container{background:transparent;padding:0;border:0;box-shadow:none}
h1,h2,.wordmark{font-family:"Playfair Display",Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.01em;color:var(--ink)}
h1{text-align:left;font-size:clamp(34px,5vw,50px);line-height:1.1;margin:8px 0 16px}
h2{font-size:30px;margin:52px 0 14px;padding-top:18px;border-top:1px solid var(--line)}
h3{font-weight:600;font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin:22px 0 8px}
.h1-sub{font-family:"Playfair Display",Georgia,serif;font-size:clamp(24px,3.4vw,34px);line-height:1.25;color:var(--ink);margin:18px 0 18px;max-width:720px}
.tagline{text-align:left;color:var(--ink-soft);font-size:18px;max-width:600px;margin:0 0 34px}
.topnav{display:flex;justify-content:space-between;align-items:center;font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding-bottom:14px;border-bottom:1px solid var(--line)}
.topnav a,a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}a:hover{border-bottom-color:var(--ink)}
.topnav a{border:0}
textarea{width:100%;box-sizing:border-box;padding:16px 18px;font:inherit;font-size:17px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px;min-height:84px;resize:vertical;backdrop-filter:blur(8px)}
textarea:focus{outline:none;border-color:var(--ink)}
button{background:transparent;color:var(--ink);padding:11px 26px;border:1px solid var(--ink);border-radius:2px;cursor:pointer;font:inherit;font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;box-shadow:none;transition:background .2s,color .2s}
button:hover{background:var(--ink);color:#fff;transform:none}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}
.chip{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--ink-soft);backdrop-filter:blur(6px)}.chip:hover{border-color:var(--ink);color:var(--ink)}
.row{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:10px 0 8px;font-size:14px}.row label{color:var(--ink-soft)}
.card{border:1px solid var(--line);border-radius:6px;padding:18px 22px;margin:16px 0;background:var(--paper);backdrop-filter:blur(10px)}
.verdict{font-family:"Playfair Display",Georgia,serif;font-weight:400;font-size:2.2rem;letter-spacing:.02em;margin-bottom:6px}
.yes{color:var(--yes)}.tight{color:var(--tight)}.no{color:var(--no)}.none{color:var(--ink-soft)}
.ok{color:var(--yes)}.fail{color:var(--no)}.muted,small{color:var(--ink-soft)}
details summary{cursor:pointer;font-weight:600;letter-spacing:.04em}
pre{background:rgba(44,75,73,.06);padding:14px 16px;overflow:auto;white-space:pre-wrap;font-size:12.5px;border-radius:4px;border:1px solid var(--line)}
code{background:rgba(44,75,73,.08);padding:1px 6px;border-radius:3px;font-size:.9em}
ul{margin:.3rem 0 .3rem 1.2rem}ol{margin:.3rem 0 .3rem 1.3rem}
table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14px}th,td{border:0;border-bottom:1px solid var(--line);padding:10px 10px;text-align:left;vertical-align:top}th{font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.win{font-weight:600;color:var(--yes)}
.band{background:var(--teal);color:#fff;padding:34px 38px 26px;border-radius:8px;margin:52px 0 0}
.band h2{color:#fff;border-top:1px solid rgba(255,255,255,.35);margin-top:0}
.band th{color:rgba(255,255,255,.75)}.band th,.band td{border-bottom:1px solid rgba(255,255,255,.28)}.band .win{color:#fff}.band a{color:#fff;border-bottom-color:rgba(255,255,255,.5)}.band .muted,.band small{color:rgba(255,255,255,.8)}
.callout{margin-top:40px;padding:22px 26px;background:var(--paper);border:1px solid var(--line);border-radius:6px;backdrop-filter:blur(8px)}
.wordmark{font-size:clamp(56px,12vw,124px);line-height:1;text-align:center;margin:34px 0 26px;padding-bottom:26px;border-bottom:1px solid var(--line);letter-spacing:-.02em}
.site-footer{text-align:center;margin:40px 0 10px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);padding-top:18px;border-top:1px solid var(--line)}.site-footer a{color:var(--ink);border:0}
@media (max-width:600px){body{padding:24px 16px 40px}.band{padding:24px 18px}h2{font-size:25px}}
/* Figures on the writeup page: inline SVG diagrams, tiles, scoring chain */
.fig{margin:18px 0 22px}.fig svg{width:100%;height:auto;display:block;font-family:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
.fig figcaption{font-size:13px;color:var(--ink-soft);margin-top:8px;line-height:1.5}
.fig .t{font-size:12.5px;font-weight:600;fill:var(--ink)}.fig .s{font-size:11px;fill:var(--ink-soft)}.fig .m{font-size:10.5px;fill:var(--ink-soft)}
.fig .lbl{font-size:11px;font-weight:600;letter-spacing:.1em;fill:var(--ink-soft)}.fig .zone{font-size:11px;font-weight:600;letter-spacing:.14em;fill:var(--ink-soft)}
.fig .v{font-size:12px;font-weight:600;fill:var(--ink)}
.fig .box{fill:rgba(255,255,255,.72);stroke:var(--line);stroke-width:1}.fig .box.dashed{stroke-dasharray:4 3}.fig .box.trace{fill:rgba(44,75,73,.06)}
.fig .e{fill:none;stroke:#4d6b69;stroke-width:1.2}
.fig .ed line,.fig .ed path{stroke:rgba(44,75,73,.35);stroke-width:1.4}
.fig .rt line,.fig .rt path{stroke:var(--teal);stroke-width:4;stroke-linecap:round;fill:none;opacity:.85}
.fig .nd rect{fill:#fbfcfb;stroke:var(--line);stroke-width:1}.fig .nd .hub{stroke:var(--ink);stroke-width:1.4}
.fig .nd .chk{fill:#f6e8d5;stroke:var(--tight)}.fig .nd .lounge{fill:#eaf2ec;stroke-dasharray:3 3}.fig .nd .transit{fill:#e7eef8}
.fig .bar{fill:rgba(44,75,73,.32);rx:2}.fig .bar.win{fill:var(--teal)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:14px 0 4px}
.tile{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:12px 14px;backdrop-filter:blur(6px);display:flex;flex-direction:column;gap:2px}
.tile b{font-family:"Playfair Display",Georgia,serif;font-weight:400;font-size:28px;line-height:1;color:var(--ink)}.tile span{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}.tile small{font-size:12.5px;color:var(--ink-soft);line-height:1.35}
.chain{display:flex;gap:0;align-items:stretch;margin:10px 0 0;flex-wrap:wrap}
.step{flex:1 1 120px;position:relative;background:var(--paper);border:1px solid var(--line);padding:12px 14px 12px 18px;min-width:120px;backdrop-filter:blur(6px)}
.step+.step{margin-left:-1px}.step:first-child{border-radius:6px 0 0 6px}.step:last-child{border-radius:0 6px 6px 0}
.step b{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}.step span{font-size:12.5px;color:var(--ink-soft);line-height:1.35}
.step.final{background:var(--teal);border-color:var(--teal)}.step.final b,.step.final span{color:#fff}
@media (max-width:640px){.two{grid-template-columns:1fr}.tiles{grid-template-columns:repeat(2,1fr)}.step{flex-basis:100%}.step:first-child,.step:last-child{border-radius:6px}}