:root{--bg:#f4f8f5;--paper:#fff;--ink:#26352e;--muted:#69786f;--line:#dae5dd;--main:#4f8768;--dark:#315d46;--soft:#eaf4ed;--shadow:0 16px 42px rgba(49,93,70,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 8% 3%,rgba(79,135,104,.15),transparent 25rem),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.72}a{color:inherit}button,input,select{font:inherit}.site-header{max-width:1060px;margin:auto;padding:18px 20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{text-decoration:none;font-weight:900;font-size:15px}.header-actions{display:flex;gap:8px}.header-link{min-height:44px;display:inline-flex;align-items:center;text-decoration:none;border:1px solid var(--line);background:#ffffffc7;padding:8px 13px;border-radius:999px;font-size:12px;font-weight:900}.crumb{max-width:820px;margin:12px auto 0;padding:0 18px;color:var(--muted);font-size:12px}.crumb a{text-decoration:none}.hero{max-width:860px;margin:22px auto 0;padding:0 18px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:var(--soft);color:var(--dark);font-size:12px;font-weight:900}.eyebrow-icon{font-size:20px}.hero h1{max-width:820px;margin:12px auto 10px;font-size:clamp(31px,6vw,53px);line-height:1.12;letter-spacing:-.045em}.lead{max-width:720px;margin:0 auto;color:var(--muted);font-size:15px}.quick-answer{max-width:720px;margin:16px auto 0;padding:14px 17px;border:1px solid var(--line);border-radius:17px;background:#ffffffc9;color:#405148;font-size:14px;font-weight:750}.section{max-width:760px;margin:28px auto 0;padding:0 18px}.calculator{background:var(--paper);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:24px}.calc-title{margin:0 0 4px;font-size:26px;letter-spacing:-.03em}.calc-sub{margin:0 0 20px;color:var(--muted);font-size:13px}.field{padding:18px 0;border-top:1px solid var(--line)}.field:first-of-type{padding-top:0;border-top:0}.field-title{display:flex;align-items:center;gap:9px;margin:0 0 10px;font-size:16px;font-weight:900}.num{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:var(--soft);color:var(--dark);font-size:12px}.input-row{display:flex;align-items:stretch;gap:8px}.input-wrap{flex:1;display:flex;align-items:center;overflow:hidden;border:1px solid #cedbd2;border-radius:15px;background:#fff}.input-wrap:focus-within{border-color:var(--main);box-shadow:0 0 0 3px rgba(79,135,104,.18)}.input-wrap input{width:100%;min-width:0;border:0;outline:0;padding:13px 14px;background:transparent;font-size:18px;font-weight:850;color:var(--ink)}.input-wrap select{min-height:49px;border:0;border-left:1px solid var(--line);padding:0 12px;background:#fff;color:var(--ink);font-weight:850}.suffix{padding:0 14px;color:var(--muted);font-weight:850;white-space:nowrap}.preset-row{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}.preset{min-height:44px;border:1px solid #d3dfd7;border-radius:13px;background:#fff;padding:9px 13px;color:#506158;font-weight:850;cursor:pointer}.preset.active{background:var(--soft);border-color:var(--main);color:var(--dark)}.small-help{margin:8px 0 0;color:#79867f;font-size:12px}.calc-button{width:100%;min-height:52px;border:0;border-radius:17px;margin-top:8px;padding:14px 18px;background:linear-gradient(135deg,var(--main),var(--dark));color:#fff;font-size:16px;font-weight:950;cursor:pointer;box-shadow:0 10px 24px rgba(49,93,70,.24)}.result{display:none;margin-top:18px;padding:22px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,var(--soft),#fbfdfb);text-align:center}.result.show{display:block}.result-kicker{font-size:12px;font-weight:900;color:var(--muted)}.days{margin:2px 0;font-size:clamp(38px,8vw,56px);font-weight:950;letter-spacing:-.05em;color:var(--dark)}.result-date{margin:3px 0 14px;font-size:17px;font-weight:850}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.result-item{padding:12px;border:1px solid var(--line);border-radius:14px;background:#ffffffc4;color:var(--muted);font-size:12px}.result-item b{display:block;margin-top:4px;color:var(--dark);font-size:16px}.content{max-width:760px;margin:44px auto 0;padding:0 18px}.content-section{margin-top:37px}.content h2,.links h2{margin:0 0 13px;font-size:clamp(22px,4.8vw,30px);line-height:1.3;letter-spacing:-.03em}.content p{margin:10px 0;color:#46544c}.highlight{padding:16px 18px;border-left:4px solid var(--main);border-radius:0 14px 14px 0;background:var(--soft);font-weight:750}.formula{margin:14px 0;padding:17px;border:1px solid var(--line);border-radius:16px;background:#f6f9f7;text-align:center;font-weight:900}.faq{border-top:1px solid var(--line)}details{padding:15px 2px;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:900}.links{margin-top:42px;padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff}.links-intro{margin:-3px 0 15px!important;color:var(--muted)!important;font-size:13px}.link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-link{min-height:68px;display:flex;align-items:center;gap:11px;padding:12px 13px;border:1px solid var(--line);border-radius:15px;background:#fdfefd;text-decoration:none;font-weight:900}.tool-link:hover{border-color:var(--main);transform:translateY(-1px)}.tool-icon{flex:0 0 40px;width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--soft);font-size:20px}.tool-copy{line-height:1.3}.tool-copy small{display:block;margin-top:4px;color:var(--muted);font-size:11px;font-weight:650}footer{margin-top:44px;padding:24px 18px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:12px}.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 16px;margin-bottom:10px}.footer-links a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}
body[data-page-type="detergent"]{--main:#557d72;--dark:#355c52;--soft:#e8f2ef}body[data-page-type="shampoo"]{--main:#4d88a3;--dark:#35677f;--soft:#e9f3f8;--bg:#f3f8fb}body[data-page-type="conditioner"]{--main:#7a6e9c;--dark:#544875;--soft:#f0edf8;--bg:#f7f5fb}body[data-page-type="toilet-paper"]{--main:#9a7a4d;--dark:#6d5230;--soft:#f7efe2;--bg:#fbf8f1}
@media(max-width:640px){.site-header{padding:13px 14px 0}.hero,.section,.content{padding-inline:12px}.calculator{padding:18px 14px;border-radius:21px}.result-grid,.link-grid{grid-template-columns:1fr}.input-row{flex-direction:column}.input-wrap select{min-width:104px}.links{padding:17px 14px}.hero h1{font-size:34px}}