/* Luxury Minimalist UI, expressed through the Champagne Practical palette. */
:root{--bg-canvas:#3b0d1a;--bg-surface:#541b2b;--text-primary:#fff8e8;--text-muted:#e8d5a8;--accent-primary:#e8d5a8;--border-subtle:#a17a72;--radius:4px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:17px;line-height:1.75}
h1,h2,h3,p,li,a{overflow-wrap:anywhere;hyphens:auto}
h1,h2,h3{line-height:1.18;font-weight:600}
h1{font-size:clamp(2.25rem,5vw,4.6rem);letter-spacing:-.045em;margin:.35em 0}
h2{font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.025em}
h3{font-size:1.35rem}
p{margin:0 0 1.15rem}
a{color:var(--accent-primary);text-decoration-thickness:1px;text-underline-offset:5px}
a:hover{text-decoration-thickness:2px}
button,input,textarea,select{font:inherit}
button,a,input,textarea,select{touch-action:manipulation}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--accent-primary);outline-offset:5px}
img{display:block;width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
figure{margin:0}
figcaption{font-size:.85rem;color:var(--text-muted);margin-top:.5rem}
.container{width:100%;max-width:1100px;margin:0 auto;padding-inline:clamp(1rem,3vw,2.5rem)}
.band{padding-block:clamp(2.5rem,6vw,5rem)}
.tonal{background:var(--bg-surface)}
.dots{background-image:radial-gradient(circle,rgba(232,213,168,.12) 1px,transparent 1px);background-size:22px 22px}
.reading{max-width:70ch;margin-inline:auto}
.reading h2{margin-top:2rem}
.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:var(--text-muted)}
.lead{font-size:clamp(1.1rem,2vw,1.3rem);max-width:55ch}
.muted{color:var(--text-muted)}
.skip-link{position:absolute;left:1rem;top:-100px;padding:.6rem 1rem;background:var(--accent-primary);color:var(--bg-canvas);z-index:10}
.skip-link:focus{top:1rem}
.site-header{position:relative;padding:10px 16px;border-bottom:1px solid var(--border-subtle)}
.brand-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--text-primary);font-weight:700;min-width:0;font-size:clamp(.85rem,2vw,1.05rem)}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;flex:none;border:1px solid var(--accent-primary);border-radius:4px;font-size:1.5rem;color:var(--accent-primary)}
.navigation{display:flex;justify-content:center;align-items:center;gap:clamp(.4rem,1.3vw,1.1rem);flex-wrap:wrap}
.navigation>a{font-size:.88rem;min-height:44px;display:inline-flex;align-items:center;text-decoration:none;position:relative}
.navigation>a:not(.button)::after,.text-action::after{content:"";position:absolute;bottom:3px;left:0;width:0;height:1px;background:currentColor;transition:width .2s}
.navigation>a:hover::after,.text-action:hover::after{width:100%}
.navigation [aria-current="page"]{text-decoration:underline}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:.65rem 1.1rem;border:1px solid var(--accent-primary);border-radius:var(--radius);background:var(--accent-primary);color:var(--bg-canvas);text-decoration:none;font-weight:700;line-height:1.35}
.button:hover{background:var(--text-primary)}
.navigation .button{font-size:.8rem;padding:.45rem .65rem}
.menu-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid var(--border-subtle);border-radius:4px;color:var(--text-primary);font-size:1.5rem}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:3rem;align-items:center}
.hero-photos{position:relative;min-height:420px}
.hero-photo{position:absolute;width:66%;aspect-ratio:4/3;border:7px solid var(--bg-surface);border-radius:4px}
.hero-photo-shopping{top:0;left:0}
.hero-photo-cooking{top:120px;right:0}
.hero-photo-shared-costs{bottom:0;left:8%;width:54%}
.actions{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;margin-top:1.5rem}
.text-action{position:relative;display:inline-flex;align-items:center;min-height:44px;background:none;border:0;padding:.25rem 0;color:var(--accent-primary);text-decoration:none}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.grid>*,.hero>*,.split>*{min-width:0}
.card{border:1px solid var(--border-subtle);border-radius:4px;background:var(--bg-surface)}
.card-image{aspect-ratio:4/3;width:100%}
.card-body{position:relative;padding:1.6rem}
.badge{display:inline-block;background:var(--accent-primary);color:var(--bg-canvas);border-radius:4px;padding:.2rem .6rem;font-size:.8rem;font-weight:700}
.card-body>.badge{margin-top:-2.7rem;position:relative;display:table}
.card h3{margin-top:.8rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.feature-image{aspect-ratio:16/9}
.examples{display:grid;gap:1rem;margin-block:1.5rem}
.example{padding:1.3rem;border:1px solid var(--border-subtle);border-radius:4px;background:var(--bg-surface)}
.example h3{margin-top:0}
.equation{display:block;font-size:clamp(1.1rem,2.3vw,1.6rem);font-variant-numeric:tabular-nums;color:var(--accent-primary);line-height:1.6}
.correction{border-left:4px solid var(--accent-primary);padding:1rem 1.3rem;background:var(--bg-surface);border-radius:4px;margin-block:1.5rem}
.comparison{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-block:1.5rem}
.comparison>div{min-width:0;border:1px solid var(--border-subtle);padding:1.2rem;border-radius:4px}
.comparison strong{display:block;color:var(--accent-primary);font-size:1.5rem}
.thumbnail-list{display:grid;gap:1rem}
.thumbnail-item{display:flex;gap:1rem;align-items:center}
.thumbnail-image{width:88px;aspect-ratio:1;flex:none}
.thumbnail-item>div{min-width:0}
.thumbnail-item p{margin:0}
.table-scroll{overflow-x:auto;margin-block:1.5rem;border:1px solid var(--border-subtle);border-radius:4px}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
th,td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-subtle)}
th{background:var(--bg-surface)}
details{border-bottom:1px solid var(--border-subtle);padding:1rem 0}
summary{cursor:pointer;font-weight:700;min-height:44px;display:list-item;padding:.4rem 0}
details p{margin:.5rem 0 1rem}
.form-grid{display:grid;gap:1rem}
label{display:block;font-weight:700;margin-bottom:.35rem}
input,select,textarea{width:100%;min-height:44px;background:var(--bg-canvas);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:4px;padding:.75rem}
textarea{resize:vertical;min-height:150px}
input::placeholder,textarea::placeholder{color:var(--text-muted);opacity:1}
.help{font-size:.9rem;color:var(--text-muted)}
.status{min-height:1.75em;color:var(--accent-primary)}
[hidden]{display:none!important}
.site-footer{border-top:1px solid var(--border-subtle);padding-block:2rem}
.footer-content{display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem;flex-wrap:wrap}
.footer-links{display:flex;gap:1.3rem;flex-wrap:wrap}
.footer-links a{display:inline-flex;align-items:center;min-height:44px}
.site-footer p{margin:.25rem 0;font-size:.9rem}
.sources{border-top:1px solid var(--border-subtle);margin-top:2rem;padding-top:1rem;font-size:.95rem}
@media(max-width:480px){body{font-size:16px}.site-header{padding:8px 12px}.brand{gap:.4rem;font-size:.79rem}.brand-mark{width:30px;height:30px}.grid{grid-template-columns:1fr}.comparison{grid-template-columns:1fr}.hero-photos{display:grid;grid-template-columns:1fr;gap:1rem;min-height:0}.hero-photo{position:static;width:100%;border-width:4px;aspect-ratio:16/9}.hero-photo-shared-costs{width:100%}.thumbnail-image{width:68px}.actions{gap:.6rem}.band{padding-block:2.25rem}}
@media(min-width:481px) and (max-width:768px){.hero-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem;min-height:0}.hero-photo{position:static;width:100%;aspect-ratio:4/3;border-width:4px}.grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}
@media(max-width:768px){.menu-toggle{display:block}.navigation{display:none;margin-top:.75rem;padding:1rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:4px;align-items:stretch;flex-direction:column;gap:.25rem}.navigation.is-open{display:flex}.navigation>a{padding:.35rem .6rem}.navigation .button{margin-top:.5rem}.hero,.split{grid-template-columns:1fr;gap:1.8rem}.footer-content{flex-direction:column}}
@media(min-width:769px) and (max-width:1024px){.hero{gap:1.5rem}.hero-photos{min-height:350px}.hero-photo-cooking{top:100px}.navigation{gap:.7rem}.navigation>a{font-size:.8rem}.navigation .button{font-size:.72rem}}
@media(min-width:1025px){.hero h1{max-width:12ch}.navigation{margin-top:2px}.band{padding-block:4.5rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}