:root{--serif: "PT Serif", Georgia, serif;--display: "Playfair Display", "PT Serif", Georgia, serif;--sans: "Montserrat", -apple-system, system-ui, sans-serif;--body-serif: "Lora", Georgia, serif;--ink: #3B3B3B;--ink-strong: #000;--link: #383C50;--rule: #DDDDDD;--soft: #F4F1EC;--bg: #FFFFFF;--accent: #383C50}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--body-serif);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--link);text-decoration:underline;text-underline-offset:2px}a:hover{color:var(--ink-strong)}h1,h2,h3{font-family:var(--display);color:var(--ink-strong);font-weight:700;letter-spacing:-.005em}.page{min-height:100vh;padding:0 1.25rem 4rem}.masthead{max-width:880px;margin:0 auto;padding:2rem 0 1.25rem;display:flex;flex-direction:column;align-items:center;gap:1rem;border-bottom:1px solid var(--rule);position:relative}.masthead .brand{display:inline-block;text-decoration:none}.masthead .brand img{display:block;width:150px;height:auto}.masthead nav{display:flex;gap:1.75rem}.masthead nav a{font-family:var(--sans);font-size:.78rem;font-weight:500;text-transform:uppercase;letter-spacing:.16em;text-decoration:none;color:var(--ink)}.masthead nav a:hover{color:var(--ink-strong)}.masthead nav a[aria-current=page]{color:var(--ink-strong);border-bottom:1px solid var(--ink-strong);padding-bottom:2px}.nav-toggle{display:none;position:absolute;top:1rem;right:0;width:2.25rem;height:2.25rem;padding:0;border:1px solid var(--rule);background:#fff;border-radius:2px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}.nav-toggle-bar{display:block;width:18px;height:1.5px;background:var(--ink-strong);border-radius:1px}.content{max-width:880px;margin:0 auto}.lede{padding:2.5rem 0 1.5rem;border-bottom:1px solid var(--rule)}.kicker{font-family:var(--sans);font-size:.75rem;text-transform:uppercase;letter-spacing:.18em;color:#777;margin:0 0 .5rem}.lede h1{font-size:2.6rem;line-height:1.1;margin:0 0 1rem}.standfirst{font-family:var(--body-serif);font-size:1.1rem;font-style:italic;color:#555;margin:0}.step{padding:2rem 0 1.25rem;border-bottom:1px solid var(--rule)}.step h2{font-size:1.25rem;margin:0 0 .75rem}.note{font-family:var(--body-serif);font-size:.92rem;font-style:italic;color:#666;margin:0 0 .75rem}.choices{display:flex;flex-wrap:wrap;gap:.5rem}.choices-inline{display:inline-flex}.choice{display:inline-flex;flex-direction:column;padding:.55rem .95rem;border:1px solid var(--rule);border-radius:2px;cursor:pointer;background:#fff;font-family:var(--sans);font-size:.9rem;color:var(--ink);transition:background .12s ease,border-color .12s ease;-webkit-user-select:none;user-select:none}.choice input{display:none}.choice:hover{border-color:var(--accent)}.choice.selected{background:var(--accent);border-color:var(--accent);color:#fff}.choice.disabled{opacity:.4;cursor:not-allowed}.choice.disabled:hover{border-color:var(--rule)}.choice .choice-subtext{font-size:.72rem;color:#888;margin-top:.15rem;letter-spacing:.04em}.choice.selected .choice-subtext{color:#d8d8e0}.weight-row{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.weight-row input[type=number]{font-family:var(--body-serif);font-size:1.4rem;width:9rem;padding:.45rem .75rem;border:1px solid var(--rule);border-radius:2px;background:#fff;color:var(--ink-strong)}.weight-row input[type=number]:focus{outline:none;border-color:var(--accent)}.slider-row{display:flex;align-items:center;gap:1rem}.slider-row.compact{gap:.75rem}.slider-row input[type=range]{flex:1;accent-color:var(--accent)}.salinity-value{font-family:var(--sans);font-size:.95rem;font-weight:600;color:var(--ink-strong);min-width:4rem;text-align:right}.slider-labels{display:flex;justify-content:space-between;font-family:var(--sans);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:#888;margin-top:.4rem;gap:1rem}.slider-labels span:nth-child(2){flex:1;text-align:center;text-transform:none;letter-spacing:0;color:var(--ink);font-style:italic;font-family:var(--body-serif)}.wet-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem 1.5rem}.wet-field{display:flex;flex-direction:column;gap:.35rem}.wet-field-label{font-family:var(--sans);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-strong)}.wet-field-help{font-family:var(--body-serif);font-size:.85rem;font-style:italic;color:#777;margin-bottom:.25rem}.wet-field input[type=number]{font-family:var(--body-serif);font-size:1.1rem;width:7rem;padding:.4rem .6rem;border:1px solid var(--rule);border-radius:2px;background:#fff;color:var(--ink-strong)}.wet-field input[type=number]:focus{outline:none;border-color:var(--accent)}.decision{margin-top:2rem;border:1px solid var(--rule);border-radius:2px;background:#fff}.decision summary{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1rem;cursor:pointer;font-family:var(--sans);font-size:.85rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-strong);list-style:none}.decision summary::-webkit-details-marker{display:none}.decision-chev{font-family:var(--sans);font-weight:400;font-size:1.2rem;line-height:1}.decision-body{padding:.5rem 1rem 1.25rem;border-top:1px solid var(--rule)}.decision-q{padding:.85rem 0;border-bottom:1px dashed var(--rule)}.decision-q:last-of-type{border-bottom:none}.decision-q-label{font-family:var(--body-serif);font-weight:700;margin:0 0 .15rem;color:var(--ink-strong)}.decision-q-help{font-family:var(--body-serif);font-size:.85rem;color:#777;font-style:italic;margin:0 0 .5rem}.decision-rec{margin-top:1rem;padding:1rem 1.1rem;background:var(--soft);border-left:3px solid var(--accent);border-radius:2px}.decision-rec h3{margin:0 0 .3rem;font-size:1.1rem;font-family:var(--display)}.decision-rec p{margin:0 0 .75rem;font-family:var(--body-serif)}.decision-apply{font-family:var(--sans);font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:.55rem .95rem;background:var(--accent);color:#fff;border:none;border-radius:2px;cursor:pointer}.decision-apply:hover{background:var(--ink-strong)}.result{margin-top:2.5rem;padding:2rem;background:var(--soft);border:1px solid var(--rule);border-radius:2px}.result h2{margin-top:0;font-size:1.4rem;border-bottom:1px solid #ddd;padding-bottom:.5rem}.result h3{font-size:1rem;font-family:var(--sans);text-transform:uppercase;letter-spacing:.12em;margin-top:1.5rem;margin-bottom:.5rem}.answer{font-family:var(--body-serif);font-size:1.25rem;line-height:1.4;margin:0 0 1rem}.answer .aux{font-style:italic;color:#666;font-size:1rem}.howto{margin:0;font-family:var(--body-serif)}.resources{padding-left:1.2rem;margin:0}.resources li{margin-bottom:.35rem}.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem 1.5rem;margin:0;padding:0}.spec-grid>div{margin:0}.spec-grid dt{font-family:var(--sans);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:#777;margin-bottom:.15rem}.spec-grid dd{margin:0;font-family:var(--display);font-weight:700;font-size:1.2rem;color:var(--ink-strong)}.spec-grid dd .aux{font-family:var(--body-serif);font-weight:400;font-size:.85rem;font-style:italic;color:#666;margin-left:.25rem}.todo{margin:0;padding-left:1.2rem;font-style:italic;color:#777}.colophon{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--rule);font-family:var(--sans);font-size:.8rem;color:#777;line-height:1.6}.colophon p{margin:0}@media (max-width: 720px){html,body{font-size:16px}.page{padding:0 1rem 3rem}.lede{padding:1.75rem 0 1rem}.lede h1{font-size:2rem}.standfirst{font-size:1rem}.step{padding:1.5rem 0 1rem}.step h2{font-size:1.1rem}.result{padding:1.25rem;margin-top:1.75rem}.answer{font-size:1.1rem}.weight-row input[type=number]{width:7rem;font-size:1.2rem}}@media (max-width: 480px){.masthead{flex-direction:row;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:1rem 0 .85rem;gap:.5rem}.masthead .brand img{width:110px}.nav-toggle{display:flex;position:static}.masthead nav{display:none;flex:0 0 100%;flex-direction:column;align-items:stretch;gap:0;margin-top:.6rem;border-top:1px solid var(--rule);padding-top:.5rem}.masthead nav.is-open{display:flex}.masthead nav a{padding:.6rem 0;text-align:center;border-bottom:1px solid var(--rule)}.masthead nav a:last-child{border-bottom:none}.masthead nav a[aria-current=page]{border-bottom:1px solid var(--ink-strong)}.lede{padding:1.25rem 0 .75rem}.lede h1{font-size:1.7rem}.standfirst{font-size:.95rem}.step{padding:1.25rem 0 .85rem}.step h2{font-size:1rem}.note{font-size:.85rem}.choice{padding:.5rem .75rem;font-size:.85rem}.choice .choice-subtext{font-size:.68rem}.salinity-value{min-width:3.25rem;font-size:.9rem}.slider-labels{font-size:.65rem}.result{padding:1rem;margin-top:1.25rem}.result h2{font-size:1.15rem}.answer{font-size:1rem;line-height:1.45}.answer .aux{font-size:.9rem}.decision summary{font-size:.78rem;padding:.7rem .85rem}.decision-body{padding:.4rem .85rem 1rem}.decision-q-label{font-size:.95rem}.spec-grid{grid-template-columns:repeat(2,1fr);gap:.6rem 1rem}.spec-grid dd{font-size:1rem}.wet-grid{gap:1rem}.wet-field input[type=number]{width:6rem}}