:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:#352a24;background:#fffaf5;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:#aa4d16}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #eeaa69;outline-offset:3px}.topline{height:4px;background:linear-gradient(90deg,#cf7333,#eea364,#f3ce9e)}header{background:#fff;border-bottom:1px solid #ebded1}.nav{max-width:1220px;margin:auto;padding:19px 22px;display:flex;align-items:center;justify-content:space-between;gap:15px}.logo{font-size:1.32rem;font-weight:850;letter-spacing:-.05em;color:#a64d19;text-decoration:none}.logo span{color:#d5874b}.navlinks{display:flex;gap:22px;font-size:.9rem}.navlinks a{text-decoration:none;color:#59483e}.wrap{max-width:1220px;margin:auto;padding:0 22px}.hero{padding:43px 0 24px}.eyebrow{font-size:.8rem;font-weight:750;color:#ad5b26;text-transform:uppercase;letter-spacing:.08em}.hero h1{font-size:clamp(2rem,4vw,3.35rem);letter-spacing:-.055em;line-height:1.12;margin:12px 0}.hero p{line-height:1.65;color:#6e5d52;max-width:740px;font-size:1.04rem}.pill{display:inline-block;color:#995020;border:1px solid #ead3bd;background:#fff2e5;padding:7px 11px;border-radius:50px;font-size:.79rem;font-weight:700}.layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:20px;align-items:start}.card{background:#fff;border:1px solid #eadbcb;box-shadow:0 8px 30px rgba(17,78,139,.045);border-radius:19px;padding:24px}.card h2,.card h3{margin:0 0 12px;letter-spacing:-.028em}.subtitle{font-size:.88rem;line-height:1.55;color:#806e63;margin:0 0 19px}.section-label{font-weight:800;font-size:.87rem;margin:22px 0 12px}.presets,.toggle-group{display:flex;flex-wrap:wrap;gap:9px}.chip{border:1px solid #e4d0bc;background:#fff;color:#624734;border-radius:999px;padding:9px 12px;font-weight:700;font-size:.86rem}.chip.active,.chip:hover{border-color:#b65f26;background:#fff0dd;color:#9d4919}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.field label{display:block;font-weight:700;font-size:.83rem;margin-bottom:7px}.field input,.field select{display:block;width:100%;min-height:44px;border:1px solid #decbb8;padding:10px 12px;border-radius:10px;background:#fff;color:#352a24}.helper{font-size:.78rem;color:#79675b;line-height:1.5;margin-top:7px}.btn{border:0;background:#b85822;color:#fff;border-radius:11px;padding:12px 16px;font-weight:760;box-shadow:0 4px 13px rgba(5,104,224,.13)}.btn:hover{background:#8f3f15}.btn.secondary{background:#fff0e0;color:#984513;box-shadow:none}.btn.outline{border:1px solid #e2cbb6;background:white;color:#995020;box-shadow:none}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.metric{background:#fff1e2;border-radius:13px;padding:15px 12px}.metric.warm{background:#f9e7d1}.metric .k{font-size:.76rem;color:#785d49}.metric .v{font-size:clamp(1.18rem,2.4vw,1.7rem);font-weight:850;margin-top:6px;letter-spacing:-.035em;overflow-wrap:anywhere}.muted{color:#766356;font-size:.87rem;line-height:1.6}.callout{border:1px solid #eac9ab;background:#fff6ea;border-radius:12px;padding:13px 15px;font-size:.86rem;line-height:1.6;color:#69482f}.warning{background:#fff9eb;border-color:#f4dfb6;color:#785024}.diagram{height:auto;width:100%;background:#fffbf6;border-radius:14px;border:1px solid #e8d7c8;margin-top:12px}.list-table{width:100%;border-collapse:collapse;font-size:.88rem}.list-table th{text-align:left;color:#7b6455;border-bottom:1px solid #eadbca;padding:11px 7px}.list-table td{border-bottom:1px solid #f1e5d8;padding:12px 7px}.list-table th:last-child,.list-table td:last-child{text-align:right}.list-table td:nth-child(2),.list-table th:nth-child(2){text-align:center}.tag{display:inline-block;border-radius:6px;padding:4px 7px;background:#fcebd7;color:#965019;font-size:.73rem;font-weight:700}.section{padding-top:28px;padding-bottom:18px}.section h2{font-size:1.55rem;letter-spacing:-.035em}.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide{line-height:1.75;color:#654f40}.guide h2{margin-top:28px;color:#352a24}.guide h3{margin-top:20px;color:#352a24}.guide a{overflow-wrap:anywhere}details{border-top:1px solid #ebddd0;padding:14px 0}summary{cursor:pointer;font-weight:760}details p{color:#756457;line-height:1.65}.footer{border-top:1px solid #eadbca;background:#fff;margin-top:45px;padding:28px 0;font-size:.82rem;color:#776558;line-height:1.65}.footer a{margin-right:14px}.sticky{display:none}.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}.result-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.small{font-size:.8rem}.error{color:#b32632;font-weight:700;min-height:1.2em}.reference{word-break:break-word}.preset-txt{font-size:.8rem;color:#80695a;margin:8px 0 0}.disclosure{margin:20px 0;background:#fff;border-left:3px solid #c67538;padding:14px 16px;color:#6a5748;font-size:.85rem;line-height:1.6}.linklist{display:flex;gap:14px;flex-wrap:wrap}.quote{background:#fff8ee;border-left:3px solid #c97e45;padding:13px 18px;margin:18px 0}#toast{position:fixed;right:18px;bottom:18px;background:#513b2e;color:white;padding:11px 16px;border-radius:10px;display:none;z-index:5}@media(max-width:850px){.layout{grid-template-columns:1fr}.nav{padding:16px 18px}.navlinks{gap:11px}.navlinks a{font-size:.78rem}.hero{padding:27px 0 16px}.wrap{padding:0 16px}.card{padding:18px}.sticky{display:flex;align-items:center;justify-content:space-between;gap:9px;position:fixed;bottom:0;left:0;right:0;padding:10px 15px calc(10px + env(safe-area-inset-bottom));border-top:1px solid #e5d0bd;background:rgba(255,255,255,.98);box-shadow:0 -4px 22px #69432620;z-index:10}.sticky .btn{font-size:.8rem;padding:11px 12px}.sticky .v{font-weight:850}.footer{padding-bottom:100px}#toast{bottom:95px}}@media(max-width:490px){.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.two{grid-template-columns:1fr}.fields{gap:10px}.metric .v{font-size:1.35rem}.navlinks a:last-child{display:none}}@media print{header,.hero,.controls,.sticky,.actions,.footer,.no-print,.commercial,details{display:none!important}body{background:#fff}.layout,.two{display:block}.card{box-shadow:none;break-inside:avoid;margin:12px 0;border-radius:0}.wrap{max-width:none}.diagram{max-height:180px}.footer{display:none}}

/* V1.1 usability refinements */
.print-only{display:none}
.controls{scroll-margin-top:24px}
#results{scroll-margin-top:22px}
.chip{min-height:42px;transition:background .15s,border-color .15s}
.chip.active{box-shadow:inset 0 0 0 1px #b65f26}
.btn:disabled{opacity:.45;cursor:not-allowed}
.list-table td{overflow-wrap:anywhere}
@media(max-width:850px){.nav{align-items:flex-start;flex-wrap:wrap}.navlinks{flex-wrap:wrap;row-gap:8px}.sticky{min-height:65px}#results{scroll-margin-top:12px}}
@media(max-width:490px){.navlinks{width:100%;justify-content:space-between}.navlinks a:last-child{display:inline}.hero h1{font-size:2rem}.result-heading{align-items:flex-start;flex-wrap:wrap}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metric:last-child{grid-column:span 2}.list-table th,.list-table td{padding:10px 5px;font-size:.81rem}}
@media print{.print-only{display:block!important} .callout{break-inside:avoid} .card{padding:14px}#results{border:0} .layout{margin-top:0} .metric{print-color-adjust:exact} .list-table{width:100%} .section:not(.layout){display:none!important}.commercial{display:none!important}.footer{display:none!important} .warning{border:1px solid #aaa} }

@media(max-width:850px){body.editing .sticky{display:none!important}body.editing #toast{bottom:18px}}
@media print{details:has(#hardware-results){display:block!important}details:has(#hardware-results) p{display:block}}

/* V1.3 warm caramel visual system: no blue/green UI accents */
:root{color-scheme:light;--caramel:#b85822;--caramel-dark:#8f3f15;--amber:#edac73;--cream:#fffaf5;--ink:#352a24;--line:#eadbcb}
.topline{height:4px;background:linear-gradient(90deg,#b85822,#e9a06c,#f2cba5)}
.logo{letter-spacing:-.045em}.logo span{color:#d5874b}
.hero{position:relative}.hero h1{color:#33271e}.eyebrow{color:#a54f1b}
.card{box-shadow:0 10px 32px rgba(99,62,33,.055)}
.chip.active,.chip:hover{border-color:#b85822;background:#fff0df;color:#873b14}
.btn{background:#b85822;box-shadow:0 5px 15px rgba(154,77,28,.16)}
.btn:hover{background:#8f3f15}.btn.secondary{background:#fff0e0;color:#914619}.btn.outline{border-color:#e2cbb6;color:#995020}
.metric{background:#fff1e2}.metric.warm{background:#f9e7d1}.tag{background:#fcebd7;color:#965019}
.callout{background:#fff6ea;border-color:#eac9ab}.warning{background:#fff7e8;border-color:#ecd4a4}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline-color:#e6a068}
@media(max-width:850px){.sticky{border-top-color:#e5d0bd;box-shadow:0 -4px 20px rgba(89,54,29,.12)}}

/* V1.4 user-to-shopping conversion section */
.buying-intro{max-width:760px;margin-bottom:16px}.buying-intro h2{margin:7px 0}.buying-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.shop-card{display:flex;flex-direction:column;gap:9px}.shop-card h3{margin:0;font-size:1.16rem}.shop-card p{margin:0}.shop-card .helper{margin-top:auto;padding-top:8px}.shop-step{font-size:.77rem;font-weight:800;letter-spacing:.03em;color:#a4511e;text-transform:uppercase}.shop-actions{display:flex;flex-wrap:wrap;gap:10px}.shop-actions a{display:inline-block;padding:9px 12px;background:#fff1e2;border:1px solid #ead3bd;border-radius:9px;font-weight:700;font-size:.85rem}.commercial a{overflow-wrap:anywhere}.disclosure{font-size:.87rem}.shop-card a{min-height:40px;align-content:center}@media(max-width:850px){.buying-grid{grid-template-columns:1fr}}

/* Final release: prominent jump-to-calculator and accessible navigation */
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:22px 0 14px}
.hero-start{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-height:46px;padding:11px 20px}
.hero-guide{font-weight:700;color:#984919;text-underline-offset:4px}
#plan{scroll-margin-top:18px}
.skip-link{position:absolute;left:12px;top:-80px;z-index:200;background:#fff;color:#57311c;padding:12px 16px;border:2px solid #984919;border-radius:8px}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid #1467c2!important;outline-offset:3px}
@media(max-width:490px){.hero-actions{align-items:stretch;flex-direction:column}.hero-start{width:100%}.hero-guide{text-align:center;padding:8px}.hero h1{overflow-wrap:normal}}
@media print{.hero-actions,.skip-link{display:none!important}}