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.durability-article{margin-top:-15px}.dur-lead{font:400 1.4rem/1.5 Georgia,serif;max-width:760px;margin:0 0 30px}.dur-intro-facts{display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);gap:32px;padding:25px 0}.dur-intro-facts span{font-size:.9rem;color:var(--muted)}.dur-intro-facts h2{font:400 1.6rem Georgia,serif;margin:20px 0 12px}.dur-intro-facts strong{display:block;font:400 4.3rem/1.1 Georgia,serif;color:var(--blue);letter-spacing:-.05em;margin-top:10px}.dur-intro-facts p{margin:0}.dur-reading{max-width:780px;margin:26px 0 38px}.dur-options{background:#e9edf3;padding:25px 30px;border-top:1px solid #9aabc6}.dur-options fieldset{display:flex;flex-wrap:wrap;gap:12px 25px;margin-bottom:20px}.dur-options legend{margin-bottom:12px}.dur-options input[type=radio],.dur-options input[type=checkbox]{accent-color:var(--blue);width:18px;height:18px;vertical-align:middle;margin:0 5px 0 0}.dur-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.dur-inputs label{font-size:.95rem;font-weight:600;min-width:0}.dur-inputs label>span{font-weight:400}.dur-inputs input,.dur-inputs select{display:block;width:100%;background:var(--white);border:1px solid #889baa;padding:11px;margin-top:8px;color:var(--ink);font:inherit}.dur-options details{margin-top:20px;border-top:1px solid #b7c3ce;padding-top:16px}.dur-options details summary{margin-bottom:16px;font-weight:600}.dur-options details .dur-inputs{max-width:700px;grid-template-columns:1fr 1fr}.dur-answer{display:grid;grid-template-columns:1.25fr 1fr;gap:50px;padding:36px 0;border-bottom:1px solid var(--line)}.dur-answer h2{font:400 clamp(2rem,4.5vw,3.2rem)/1.1 Georgia,serif;letter-spacing:-.04em;margin:15px 0 20px}.dur-claim{font-size:1.13rem}.energy-bars{background:var(--white);border:1px solid var(--line);padding:25px}.energy-bars p{margin:0 0 12px}.energy-bars p strong,.energy-bars p span{display:block}.energy-bars p span{font-size:.9rem;margin-top:4px}.energy-bars .track{margin-bottom:24px;height:16px}.energy-bars .small{margin-bottom:0}.price-answer{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;padding:30px 0}.price-answer h3,.dur-sensitivity h3,.repair-budget h3{font:400 1.6rem Georgia,serif}.price-verdict{font-size:1.15rem}.price-verdict strong{font-weight:700}.price-answer figure{margin:12px 0 0;min-width:0}.price-answer svg{width:100%;display:block}.price-answer figcaption{font-size:.9rem;font-weight:600}.price-answer .small{font-size:.9rem}.sensitivity-cards{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sensitivity-cards>div{padding:20px;border-right:1px solid var(--line)}.sensitivity-cards>div:last-child{border:0}.sensitivity-cards span{display:block;font-size:.9rem}.sensitivity-cards strong{display:block;font:400 2rem Georgia,serif;margin:12px 0}.repair-budget{margin-top:35px;max-width:860px}.durability-article table{width:100%;border-collapse:collapse;margin:20px 0}.durability-article caption{text-align:left;font-size:.9rem;color:var(--muted);padding-bottom:12px}.durability-article td,.durability-article th{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}.durability-article th{font-size:.9rem}.repair-budget td:last-child{font-weight:600;white-space:nowrap}.dur-data,.dur-method{border-top:1px solid var(--line);padding:20px 0;margin-top:30px;max-width:900px}.dur-data summary,.dur-method summary{font-weight:600}.dur-longevity{margin:55px 0;padding:34px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--line)}.dur-longevity h2,.replacement-example h2{font:400 2.2rem/1.2 Georgia,serif;letter-spacing:-.025em;max-width:850px}.dur-longevity>p,.replacement-example>p{max-width:810px}.test-years{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;max-width:800px;padding:25px 0}.test-years strong{font:400 2.4rem Georgia,serif;display:block;color:var(--blue)}.test-years span{font-size:.9rem;display:block;margin-top:7px}.replacement-example table{min-width:540px}.durability-article [hidden]{display:none!important}#dur-error{background:#fff0e6;color:#9f311d;padding:20px}.durability-article select:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.durability-article .small{font-size:.9rem}
@media(max-width:760px){.dur-answer,.price-answer{grid-template-columns:1fr;gap:15px}.dur-inputs{gap:12px}.dur-options{padding:22px}.dur-intro-facts{gap:25px}.dur-intro-facts strong{font-size:3.5rem}.dur-intro-facts span{font-size:.85rem}.dur-longevity h2,.replacement-example h2{font-size:1.9rem}}
@media(max-width:480px){.dur-inputs{grid-template-columns:1fr 1fr}.dur-inputs>label:last-child{grid-column:1/-1}.dur-options details .dur-inputs{grid-template-columns:1fr}.dur-intro-facts{grid-template-columns:1fr;gap:28px}.dur-intro-facts>div+div{border-top:1px solid var(--line);padding-top:22px}.dur-intro-facts strong{font-size:3.2rem}.sensitivity-cards{grid-template-columns:1fr}.sensitivity-cards>div{border-right:0;border-bottom:1px solid var(--line)}.test-years{grid-template-columns:1fr;gap:20px}.dur-data table{font-size:.9rem}.dur-data td,.dur-data th{padding:10px 5px}.dur-data a{overflow-wrap:anywhere}}
/* Evidence-led topic pages. */
.qcard h2{font:400 1.65rem/1.18 Georgia,serif;letter-spacing:-.025em;margin:24px 0 16px}.qcard{min-height:260px}.question-index{padding-top:38px}.decision-page{max-width:1000px;margin:0 auto}.decision-lead{font:400 clamp(1.3rem,2.5vw,1.8rem)/1.4 Georgia,serif;max-width:850px;margin:0 0 30px}.decision-page h2,.degree-distribution h2{font:400 clamp(1.5rem,2.7vw,2rem)/1.2 Georgia,serif;letter-spacing:-.02em}.decision-page h3{font-size:1.12rem}.decision-page section{margin:32px 0}.decision-page p{max-width:850px}.decision-page table,.degree-distribution table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:.95rem;background:var(--white)}.decision-page th,.decision-page td,.degree-distribution th,.degree-distribution td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top}.decision-page th:first-child,.decision-page td:first-child,.degree-distribution th:first-child{text-align:left}.decision-page tbody th,.degree-distribution tbody th{font-weight:400}.decision-page thead,.degree-distribution thead{background:var(--pale);font-size:.85rem}.decision-page caption{text-align:left;color:var(--muted);font-size:.86rem;padding:0 0 12px}.decision-form{border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:24px 0;margin:36px 0 28px}.decision-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.decision-inputs label{font-size:.9rem;display:flex;flex-direction:column;justify-content:space-between;gap:9px;font-weight:600}.decision-inputs input{width:100%;min-width:0;background:var(--white);border:1px solid #899a98;border-radius:0;color:var(--ink);padding:11px 12px;font-size:1.15rem;font-weight:400}.decision-form details{margin:20px 0}.decision-form details[open] .decision-inputs{margin-top:16px}.decision-form .small{margin-bottom:8px}.decision-page summary{cursor:pointer;font-weight:600;padding:15px 0}.decision-method{border-top:1px solid var(--line);margin:30px 0}.decision-method p{font-size:.93rem}.decision-copy{font-size:1.05rem}.source-date{font-size:.78rem;color:var(--muted);margin-top:36px}.mortgage-hurdle{background:var(--ink);color:var(--white);display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:32px}.mortgage-hurdle h2{font:400 5rem/1 Georgia,serif;margin:16px 0}.mortgage-hurdle strong{display:block;font-size:1.6rem;font-weight:400;font-variant-numeric:tabular-nums}.mortgage-hurdle p{margin:12px 0}.history-risk{border-left:4px solid var(--orange);padding:0 24px}.warranty-record{display:grid;grid-template-columns:2fr 1fr;gap:40px;background:var(--pale);padding:30px}.warranty-record h2{font-size:2.5rem}.warranty-record>div:last-child{display:flex;flex-direction:column;justify-content:center;gap:4px}.warranty-record strong{font:400 2rem/1.2 Georgia,serif;margin-top:16px}.warranty-record span{font-size:.88rem}.premium-strip{height:38px;background:#c8d2cd}.premium-strip span{display:flex;align-items:center;height:100%;background:var(--blue);color:white;padding-left:10px}.energy-example{border-left:4px solid var(--blue);padding:20px 24px;background:var(--white)}.energy-example>strong{display:block;font-size:1.6rem}.energy-example>span{font-size:.9rem}.energy-threshold{background:var(--mint);padding:26px}.risk-contrast{display:grid;grid-template-columns:1fr 1fr;gap:20px}.decision-page .risk-contrast section{margin:0;padding:26px;border:1px solid var(--line)}.risk-contrast strong{display:block;font:400 4rem/1.2 Georgia,serif}.risk-contrast span{color:var(--muted)}.risk-contrast section:last-child{border-top:4px solid var(--orange)}.market-row{display:grid;grid-template-columns:240px 1fr 50px;align-items:center;gap:18px;margin:18px 0}.market-row strong{font-variant-numeric:tabular-nums}.care-prices{background:var(--white);padding:30px}.care-prices>div{display:flex;justify-content:space-between;gap:24px;padding:14px 0;border-bottom:1px solid var(--line)}.care-prices strong{font-size:1.45rem;font-variant-numeric:tabular-nums}.care-choice{border-left:4px solid var(--orange);padding:0 24px}.capacity-verdict{padding:24px;background:var(--mint)}.connection-diagnosis details{border-top:1px solid var(--line)}.degree-distribution{margin-top:40px}#decision-error{padding:18px;border:1px solid var(--orange);color:#872f18;background:#fff6f1}[hidden]{display:none!important}
@media(max-width:700px){.decision-inputs{grid-template-columns:repeat(2,minmax(0,1fr))}.mortgage-hurdle,.warranty-record,.risk-contrast{grid-template-columns:1fr;gap:12px}.mortgage-hurdle,.warranty-record,.care-prices{padding:22px}.warranty-record h2{font-size:2rem}.market-row{grid-template-columns:1fr 70px}.market-row .track{grid-column:1;grid-row:auto}.market-row strong{grid-column:2;grid-row:auto}.decision-page th,.decision-page td,.degree-distribution td,.degree-distribution th{padding:12px 10px;font-size:.85rem}.care-prices>div{align-items:center}.care-prices strong{font-size:1.2rem}.qcard{min-height:0}.qcard h2{font-size:1.6rem}}
@media(max-width:420px){.decision-inputs{grid-template-columns:1fr}.mortgage-hurdle h2{font-size:4rem}.decision-page .noflow,.degree-distribution .noflow{overflow-x:auto}.decision-page table{min-width:340px}}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.reserve-test{display:grid;grid-template-columns:1fr 1fr;gap:20px}.reserve-test>div{padding:24px;background:var(--pale)}.reserve-test strong{display:block;font:400 2.6rem/1.3 Georgia,serif}.reserve-test p{margin:6px 0}@media(max-width:500px){.reserve-test{grid-template-columns:1fr}}

.repair-matrix{font-variant-numeric:tabular-nums}.repair-matrix td{text-align:center;min-width:105px}.repair-matrix .repair-saving{background:#e5eee8}.repair-matrix .repair-extra{background:#f7e9e1}.repair-matrix th:first-child{max-width:250px}.repair-budget details{margin-top:20px}.repair-matrix caption{text-align:left;padding-bottom:12px}@media(max-width:700px){.repair-budget .noflow{overflow-x:auto}.repair-matrix{min-width:620px}}

.decision-inputs select{width:100%;min-width:0;background:var(--white);border:1px solid #899a98;color:var(--ink);padding:11px 12px;font-size:1rem;font-weight:400}select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.degree-evidence table{width:100%;border-collapse:collapse}.degree-evidence th,.degree-evidence td{padding:15px;text-align:left;border-bottom:1px solid var(--line)}.degree-evidence thead{background:var(--pale)}.risk-contrast>div{padding:24px;background:var(--white);border:1px solid var(--line)}.risk-contrast>div h2{font-size:3rem;margin-top:0}.repair-budget h2{margin-top:32px}

/* Answer first; supporting figures are deliberately quieter. */
.pageintro{padding-bottom:18px}.pageintro h1{font-size:clamp(2rem,4vw,3.5rem);margin-bottom:10px}
.answer-first,.decision-page .answer-first{margin:0 0 18px;padding:25px 28px;background:#e8ede8;border-left:4px solid var(--blue)}
.answer-first h2,.decision-page .answer-first h2,.durability-article .answer-first h2{font:500 clamp(1.4rem,2.3vw,1.9rem)/1.25 Georgia,serif;margin:0 0 13px;max-width:900px}
.answer-first p{max-width:900px;margin:10px 0;font-size:1rem}.answer-first .answer-basis{font-size:.82rem;color:var(--muted);margin-bottom:0}
.page-jumps{display:flex;flex-wrap:wrap;gap:10px 24px;margin:0 0 30px;padding:0 0 17px;border-bottom:1px solid var(--line);font-size:.9rem}.page-jumps a{text-decoration:underline}
[id]{scroll-margin-top:20px}.decision-page .decision-form{margin-top:20px}
.durability-article .dur-answer{background:var(--white);color:var(--ink);border:1px solid var(--line)}.durability-article .dur-answer h2{font-size:1.6rem}.durability-article .dur-answer p{color:var(--ink)}
.mortgage-hurdle h2{font-size:2.6rem}.warranty-record h2{font-size:1.8rem}.risk-contrast>div h2{font-size:2rem}
@media(max-width:600px){.answer-first,.decision-page .answer-first{padding:20px}.page-jumps{gap:12px 20px}.pageintro{padding-top:18px}}

.boots-quote{margin:0 0 20px;max-width:900px}.boots-quote blockquote{margin:0 0 12px;font:400 clamp(1.5rem,2.6vw,2rem)/1.35 Georgia,serif}.boots-quote figcaption{font-size:.87rem;color:var(--muted)}.boots-story{max-width:880px;margin-bottom:28px}.buying-guide>section{margin:32px 0}.buying-guide>section h2{font:400 1.65rem/1.25 Georgia,serif}.buying-guide>section>p{max-width:880px}.buying-guide .answer-first{margin:24px 0 18px}.buying-example{border-top:1px solid var(--line);padding:16px 0}.buying-example>summary{font-size:1.05rem;font-weight:600;cursor:pointer}.buying-example[open]>summary{margin-bottom:25px}.example-answer{border-left:3px solid var(--line);padding:0 20px;margin:25px 0}.example-answer h2{font-size:1.35rem}.price-rule{font-size:1.2rem;max-width:850px}#purchase-error{color:#872f18}.buying-guide .dur-longevity{margin-top:0}

.rewritten-article .article-opening{max-width:880px;font-size:1.08rem;line-height:1.7}.rewritten-article>section>p{line-height:1.7}.rewritten-article .price-widget{max-width:880px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin:24px 0}.price-widget>summary{cursor:pointer;font-weight:600}.rewritten-article .buying-example h3{font:400 1.3rem/1.3 Georgia,serif;margin-top:24px}

.ownership-essay{max-width:960px}.ownership-table{width:100%;max-width:700px;border-collapse:collapse}.ownership-table th,.ownership-table td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:left}.ownership-table thead{background:var(--pale)}.ownership-table caption{text-align:left;margin-bottom:12px;color:var(--muted);font-size:.9rem}.ownership-essay .article-calculation{border-top:1px solid var(--line);padding:18px 0;margin-top:32px;font-size:.9rem}.article-calculation summary{cursor:pointer;font-weight:600}.ownership-essay .article-calculation p{max-width:880px}

/* Articles share readable type, while their evidence determines the composition. */
.essay{max-width:820px;margin:0 0 48px;font-size:1.075rem;line-height:1.75}
.essay p{margin:0 0 21px}.essay .standfirst{font:400 clamp(1.25rem,2.2vw,1.48rem)/1.5 Georgia,serif;margin:4px 0 28px;max-width:790px}
.essay h2,.essay.buying-guide>section h2{font:400 1.75rem/1.25 Georgia,serif;letter-spacing:-.015em;margin:40px 0 18px}
.essay a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.essay a:hover{color:var(--blue)}
.essay strong{font-weight:600}.essay .small{font-size:.86rem;line-height:1.55;color:var(--muted)}
.essay .table-scroll{max-width:100%;overflow-x:auto;margin:28px 0}.essay table{width:100%;border-collapse:collapse;font-size:.93rem;line-height:1.5;font-variant-numeric:tabular-nums}
.essay caption{text-align:left;font-size:.87rem;color:var(--muted);padding:0 0 12px}
.essay th,.essay td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}.essay thead{background:var(--pale)}.essay tbody th{font-weight:400}.essay thead th{font-weight:600}
.essay .article-notes,.essay .article-tool{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:34px 0;padding:18px 0;font-size:.94rem}
.essay summary{cursor:pointer;font-weight:600;line-height:1.5}.essay details[open]>summary{margin-bottom:22px}.essay details p:last-child{margin-bottom:0}
.essay .article-tool{background:var(--white);padding:20px 24px;border:1px solid var(--line)}
.tool-inputs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px}.tool-inputs label{display:flex;flex-direction:column;gap:8px;font-size:.85rem;line-height:1.4}
.tool-inputs input,.tool-inputs select{width:100%;min-width:0;padding:10px 12px;border:1px solid #899a98;background:var(--paper);color:var(--ink);font:inherit;font-size:1.1rem}
.article-tool button{padding:8px 13px;cursor:pointer;background:var(--paper);border:1px solid var(--line);color:var(--ink);font:inherit;font-size:.85rem}.tool-result{border-left:3px solid var(--blue);padding-left:18px;margin:24px 0;font-size:1rem}.tool-error{padding:15px;background:#fff0e6;color:#872f18}
.essay-durability .answer-first{background:none;border-left:0;padding:0;margin:28px 0}.essay-durability .answer-first h2{font-size:1.5rem;margin-top:24px}.essay-durability .page-jumps{display:none}.essay-durability .boots-quote{margin-bottom:28px}
@media(max-width:600px){.essay{font-size:1rem;line-height:1.7}.essay h2,.essay.buying-guide>section h2{font-size:1.55rem}.essay th,.essay td{padding:12px 9px;font-size:.83rem}.essay .article-tool{padding:18px}.essay table{min-width:390px}.essay .tool-inputs{gap:15px}.essay .standfirst{font-size:1.25rem}}
@media(max-width:400px){.tool-inputs{grid-template-columns:1fr}}

.question-submit{max-width:820px;margin:52px 0 64px;padding-top:26px;border-top:1px solid var(--ink)}
.question-submit h2{font:400 1.9rem/1.2 Georgia,serif;letter-spacing:-.02em;margin:0 0 22px}
.question-submit label{display:block;font-size:1rem;font-weight:600;margin-bottom:10px}
.question-submit textarea{display:block;width:100%;min-height:140px;padding:14px 16px;resize:vertical;border:1px solid #899a98;border-radius:0;background:var(--white);color:var(--ink);font:inherit;line-height:1.55}
.question-submit textarea:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.question-submit .button{margin-top:18px}.question-submit .button:disabled{opacity:.65;cursor:wait}
.question-trap{display:none}.question-status{min-height:1.6em;margin:16px 0 0}.question-error{color:#872f18}
@media(max-width:600px){.head{flex-wrap:wrap;gap:14px;padding-top:18px;padding-bottom:18px}.head nav{gap:20px}.question-submit{margin-top:36px}.question-submit textarea{font-size:1rem}}

/* Keep keyboard focus visible inside horizontally scrollable evidence tables. */
.table-scroll:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.essay,.qcard,.head nav{overflow-wrap:break-word}
.tool-inputs{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:480px){.tool-inputs{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.qcard{transition:none}}
.tool-inputs input,.tool-inputs select,.question-submit textarea,.article-tool button{border-color:var(--muted)}
.site-foot{border-top:1px solid var(--muted);margin-top:56px;padding:24px 0 40px;font-size:.9rem}
.site-foot a{color:inherit}