@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--navy:#093350;--ink:#153348;--muted:#576c7c;--aqua:#0a8391;--line:#d4e0e7;--bg:#edf3f7;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 'DM Sans',Arial,sans-serif}a{color:var(--aqua);text-underline-offset:3px}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #ea9c26;outline-offset:3px}header{background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;padding:20px max(24px,calc((100vw - 1160px)/2))}header a{color:white;text-decoration:none}.brand{display:flex;align-items:center;gap:14px;font-weight:700;font-size:15px;letter-spacing:.06em}.brand small{display:block;font-size:14px;font-weight:400;letter-spacing:0;color:#b7d6e2}.mark{background:#0d8998;border:1px solid #53c4cd;border-radius:4px;padding:5px 9px;font-family:'Barlow Condensed',Arial;font-size:24px}.shop{font-size:14px;border-bottom:1px solid #7394a9}main{max-width:1160px;padding:35px 24px;margin:auto}.intro{margin-bottom:26px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.15em;color:var(--aqua)}h1{font:700 clamp(36px,4vw,54px)/1.08 'Barlow Condensed',Arial;margin:10px 0 14px}h1 span{color:var(--aqua)}.intro p{color:var(--muted);margin:0}#modules{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-bottom:26px}#modules button{background:white;border:1px solid var(--line);color:var(--ink);text-align:left;padding:14px;border-radius:6px;font-weight:700;font-size:15px}#modules button small{display:block;color:var(--muted);font-weight:400;font-size:13px;margin-top:4px}#modules button[aria-pressed=true]{background:var(--navy);color:white;border-color:var(--navy);box-shadow:inset 0 -4px #16b4c5}#modules button[aria-pressed=true] small{color:#c0dce8}#equipment{display:flex;align-items:center;gap:24px;background:white;border:1px solid var(--line);padding:24px;border-radius:8px;margin-bottom:16px}#equipment img{width:110px;height:120px;object-fit:contain}#equipment h2{font:700 32px/1.15 'Barlow Condensed',Arial;margin:0 0 6px}#equipment p{margin:0;color:var(--muted);font-size:14px}.pill{display:inline-block;background:#e5f4f5;color:#086b77;font-size:12px;font-weight:700;padding:3px 8px;border-radius:3px;margin-bottom:7px}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:24px}.tabs button{padding:13px 23px;background:transparent;border:0;color:var(--muted);font-weight:700}.tabs button[aria-pressed=true]{color:var(--navy);border-bottom:3px solid var(--aqua);margin-bottom:-2px}h3{font:700 26px/1.2 'Barlow Condensed',Arial;margin:0 0 16px}.panel{background:white;border:1px solid var(--line);padding:24px;border-radius:8px;margin-bottom:18px}.codes{background:var(--navy);color:white}.codes h3{margin-bottom:18px}.codegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.code{border:1px solid #95b5bd;background:#d5e8d7;color:#14392d;padding:16px 9px;border-radius:5px;box-shadow:inset 0 2px 5px #65877022}.code b{display:block;font:500 25px/1.2 ui-monospace,monospace;letter-spacing:.05em}.code small{display:block;font-size:13px;line-height:1.35;margin-top:7px}.code:hover{background:#e9f8ea}.tip{font-size:14px;color:#c4d9e4;margin:18px 0 0}.symptoms{display:grid;grid-template-columns:1fr 1fr;gap:10px}.symptoms button{display:flex;flex-direction:column;text-align:left;border:1px solid var(--line);padding:15px;background:#f9fbfc;border-radius:5px;color:var(--ink);font-weight:600}.symptoms small{color:var(--muted);font-weight:400;font-size:14px;margin-top:3px}.safety{border-left:4px solid #d69a37;background:#fff9eb}.safety p{font-size:14px;margin:8px 0}.sources{color:var(--muted);font-size:13px}.sources a{display:inline-block;margin-right:12px}.flow{max-width:800px;margin:auto}.flowtop{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;color:var(--muted);font-size:14px}.secondary{border:1px solid var(--line);background:white;color:var(--ink);padding:10px 16px;border-radius:5px}.stepno{font-size:13px;font-weight:700;color:var(--aqua);letter-spacing:.1em}.flow h3{font-size:32px;margin:13px 0}.flow ul{padding-left:22px}.flow li{margin:8px 0}.tech{padding:12px 15px;background:#edf3f7;font-size:14px;border-radius:5px;margin-top:16px;color:#425e71}.answers{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.primary{background:var(--navy);border:1px solid var(--navy);color:white;border-radius:5px;padding:12px 22px;font-weight:600}.primary:hover{background:#145274}.result{border-top:5px solid var(--aqua)}.part{display:flex;align-items:center;gap:16px;padding:16px;border:1px solid var(--line);border-radius:6px;margin:12px 0}.part img{width:65px;height:65px;object-fit:contain}.part a{font-size:15px;font-weight:700}.part small{display:block;color:var(--muted);font-size:13px;margin-top:5px}.label{font-size:12px;font-weight:700;letter-spacing:.09em;color:var(--aqua)}table{border-collapse:collapse;width:100%;font-size:15px}td,th{padding:12px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted)}label{display:block;font-weight:600;font-size:14px;margin-bottom:5px}input,textarea{width:100%;padding:12px;border:1px solid #b5c8d3;border-radius:5px;background:white;color:var(--ink)}textarea{min-height:140px}.formrow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.notes p{color:var(--muted);font-size:14px}.trail{border-left:3px solid var(--line);margin:15px 0;padding-left:16px;color:var(--muted);font-size:14px}.trail div{margin:8px 0}.feedback{color:var(--aqua);font-size:14px}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px;margin-top:35px;font-size:14px;color:var(--muted)}@media(max-width:720px){main{padding:25px 16px}header{padding:16px}.brand{font-size:12px;gap:9px}.brand small{font-size:12px}.shop{font-size:12px}#modules{grid-template-columns:repeat(2,1fr)}#modules button:last-child{grid-column:span 2}.intro h1{font-size:40px}.codegrid{grid-template-columns:repeat(2,1fr)}.panel{padding:19px}.symptoms{grid-template-columns:1fr}#equipment{padding:19px;gap:14px}#equipment img{width:85px;height:95px}#equipment h2{font-size:28px}.tabs button{padding:12px 13px;font-size:14px}.formrow{grid-template-columns:1fr}.flow h3{font-size:27px}footer{flex-direction:column;gap:8px}.part{align-items:flex-start}.part img{width:45px;height:45px}}@media print{header,#modules,.tabs,.answers,.flowtop,footer{display:none}body{background:white}main{padding:0}.panel{border:0;padding:8px}textarea{height:170px}.intro{display:none}}