@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Serif+Display:ital@0;1&display=swap');

:root{font-family:'DM Sans',Arial,sans-serif;color:#1e2926;background:#f7f5ef;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px}.page-shell{max-width:1160px;margin:auto;padding:0 36px}.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dcded4}.brand{display:inline-flex;align-items:center;gap:11px;color:#21312c;text-decoration:none;font-size:20px;font-weight:700;letter-spacing:-1.1px}.brand-light{font-weight:400}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:#185a4a;color:#fff;font-size:23px;line-height:1;font-weight:500}.header-note{font-size:12px;color:#798780;letter-spacing:.05em}.intro{min-height:360px;display:grid;grid-template-columns:1fr 400px;align-items:center;gap:45px;padding:50px 0 48px}.eyebrow,.section-kicker,.workspace-index,.art-small{font-size:11px;letter-spacing:.16em;font-weight:700}.eyebrow{color:#24745f;display:flex;align-items:center;gap:11px}.eyebrow-line{height:1px;width:24px;background:#24745f}.intro h1{font-family:'DM Serif Display',Georgia,serif;font-size:clamp(46px,5.5vw,70px);font-weight:400;line-height:1.08;letter-spacing:-1.9px;margin:21px 0}.intro h1 em{font-weight:400;color:#277b63}.intro p{font-size:16px;line-height:1.7;color:#718079;max-width:490px;margin:0}.hero-art{height:282px;position:relative;display:grid;place-items:center}.hero-orbit{position:absolute;border:1px solid #d8e4d5;border-radius:50%;transform:rotate(-20deg)}.orbit-one{width:345px;height:202px}.orbit-two{width:270px;height:270px;transform:rotate(20deg)}.art-card{position:relative;width:292px;padding:22px 25px 20px;display:flex;flex-direction:column;transform:rotate(-5deg);border:1px solid #e0e8dd;border-radius:12px;background:#fff;box-shadow:0 18px 50px #2b5c4522}.art-small{color:#7a9a89;font-size:10px}.art-equation,.art-answer{font-family:'DM Serif Display',Georgia,serif;font-size:28px;letter-spacing:.01em}.art-equation{margin:21px 0 18px}.art-rule{height:1px;background:#e8ebe4}.art-answer{color:#256f57;margin-top:13px}.art-answer strong{font-weight:400;border-bottom:2px solid #dcad64}.art-spark{float:right;color:#e6b663;font-family:Arial,sans-serif}.art-symbol{position:absolute;color:#d6b26d;font-family:Georgia,serif;font-size:35px}.art-plus{top:11px;right:48px}.art-times{bottom:20px;left:30px;color:#9dbba9}.workspace{background:#fff;border:1px solid #e5e9e1;border-radius:16px;padding:35px 39px 27px;box-shadow:0 18px 45px #304a3610}.workspace-heading,.results-heading{display:flex;align-items:flex-start;justify-content:space-between}.section-kicker{color:#278263}.workspace h2,.results h2{font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:30px;letter-spacing:-.4px;margin:7px 0 26px}.workspace-index{color:#a8b4aa;margin-top:8px}form{display:grid;grid-template-columns:minmax(0,1fr) 180px;column-gap:20px}.field-group{display:flex;flex-direction:column;gap:10px}label{font-size:13px;font-weight:700;color:#34433c}.field-hint{font-size:12px;font-weight:400;color:#98a69b;margin-left:5px}input{height:58px;width:100%;border:1px solid #dce4dc;border-radius:8px;background:#fbfcf9;padding:0 17px;color:#20372d;font:500 18px 'DM Sans',Arial,sans-serif;outline:none;transition:border-color .2s,box-shadow .2s}input:focus{border-color:#2b8268;box-shadow:0 0 0 3px #2b826820}input::placeholder{color:#b2bbb3}.variable-field input{font-size:21px}.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.button{height:48px;border-radius:8px;padding:0 21px;display:inline-flex;justify-content:center;align-items:center;gap:19px;cursor:pointer;font:700 13px 'DM Sans',Arial,sans-serif;transition:transform .15s,background .15s}.button:hover{transform:translateY(-2px)}.button:focus-visible{outline:3px solid #79bca4;outline-offset:3px}.button-primary{background:#205e4d;color:white;border:1px solid #205e4d}.button-primary:hover{background:#164d3e}.button-secondary{background:#f4f7f2;color:#286650;border:1px solid #dce8dc}.button-secondary:hover{background:#e9f2e9}.button span{font-size:18px;font-weight:400}.form-message{grid-column:1/-1;margin:14px 0 0;color:#a34437;font-size:13px}.results{margin-top:42px}.results-heading h2{margin-bottom:20px}.step-count{font-size:12px;color:#81938a;margin-top:12px}.table-scroll{overflow-x:auto;background:#fff;border:1px solid #e4e9e1;border-radius:12px}table{border-collapse:collapse;width:100%;min-width:740px;text-align:left}th{background:#f4f7f2;color:#8b9c90;font-size:10px;letter-spacing:.15em;font-weight:700;padding:17px 20px}th:first-child,td:first-child{width:90px;text-align:center}th:nth-child(2){width:30%}th:last-child,td:last-child{min-width:150px}td{border-top:1px solid #edf0eb;padding:19px 20px;color:#4e6155;font-size:13px}td:first-child{color:#91a397;font-weight:700;font-size:11px}tr.final-step td{background:#f7faf5}tr.final-step td:nth-child(2){color:#205e4d;font-weight:700}math{font-size:20px;color:#243d31;white-space:nowrap}tr.final-step math{color:#205e4d}.result-note{min-height:20px;color:#7d8c81;font-size:12px;margin:14px 2px 0}footer{display:flex;justify-content:space-between;border-top:1px solid #dfe4d9;color:#9aaa9f;font-size:12px;margin-top:80px;padding:25px 0 35px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(max-width:760px){.page-shell{padding:0 20px}.site-header{height:75px}.header-note{display:none}.intro{grid-template-columns:1fr;padding:55px 0 34px;min-height:0}.intro h1{font-size:clamp(42px,9vw,62px)}.hero-art{display:none}.workspace{padding:27px 22px 22px}form{grid-template-columns:minmax(0,1fr) 110px;gap:13px}.field-hint{display:none}.form-actions{margin-top:9px}.button{padding:0 14px;gap:8px}.workspace-index{display:none}.results{margin-top:34px}footer{margin-top:60px}}@media(max-width:460px){form{grid-template-columns:1fr}.variable-field{grid-column:1}.variable-field input{max-width:130px}.form-actions{flex-wrap:wrap;grid-column:1}.button{flex:1;min-width:145px}}

@media (orientation: landscape) and (max-height: 500px) {
  html, body { min-height: 100%; height: auto; overflow-x: hidden; overflow-y: auto; }
  .page-shell { padding: 0 20px; }
  .site-header { height: 48px; }
  .header-note, .hero-art, .workspace-index { display: none; }
  .intro { display: block; min-height: 0; padding: 12px 0 16px; }
  .intro h1 { font-size: 32px; margin: 6px 0; }
  .intro h1 br { display: none; }
  .intro p { font-size: 13px; line-height: 1.3; }
  .workspace { padding: 16px 20px; }
  .workspace h2 { margin-bottom: 12px; }
  .field-group { gap: 5px; }
  input { height: 44px; }
  .form-actions { margin-top: 12px; }
  .button { height: 42px; }
  .results { margin-top: 18px; }
  footer { margin-top: 24px; }
}

main { padding-top: 48px; }
.workspace h1 { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; font-size: 30px; letter-spacing: -.4px; margin: 0 0 26px; }
.action-label { font-weight: 700; color: #286650; }
@media (max-width: 760px) { main { padding-top: 30px; } }
@media (orientation: landscape) and (max-height: 500px) { main { padding-top: 16px; } .workspace h1 { margin-bottom: 12px; } }