/* ============================================================
   BORING SOLUTIONS — site-v2.css
   day1-run reface · light editorial · Söhne · whisper of mint
   Shared across all pages. Design source of truth.
   ============================================================ */
@font-face { font-family:"Söhne"; src:url("fonts/soehne-buch.woff2") format("woff2"); font-weight:400; font-display:swap; }
@font-face { font-family:"Söhne"; src:url("fonts/soehne-dreiviertelfett.woff2") format("woff2"); font-weight:600; font-display:swap; }

:root{
  --paper:#FFFFFF; --paper-2:#F4F3F1; --ink:#0E0F11; --ink2:#0C0B0B;
  --grey:#2F2F2F; --echo:#6C6D71; --echo-dk:rgba(255,255,255,0.62);
  --line:rgba(14,15,17,0.12); --line-soft:rgba(14,15,17,0.07);
  --line-dk:rgba(255,255,255,0.16); --line-dk-soft:rgba(255,255,255,0.08);
  --signal:#4FCBAA; --signal-dim:rgba(79,203,170,0.14); --signal-ink:#127E64;
  --sans:"Söhne","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --pad:clamp(20px,4.5vw,72px); --maxw:1440px; --nav-h:66px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--sans);font-weight:400;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;letter-spacing:-0.01em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--ink);color:var(--paper)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;z-index:300;background:var(--ink);color:#fff;padding:10px 16px}

/* type */
.mono{font-family:var(--mono);font-size:10.5px;font-weight:400;letter-spacing:0.15em;text-transform:uppercase;color:var(--echo)}
.disp{font-weight:600;line-height:0.9;letter-spacing:-0.035em}
.d-xl{font-size:clamp(58px,12vw,176px);letter-spacing:-0.045em}
.d-lg{font-size:clamp(44px,7.4vw,124px)}
.d-md{font-size:clamp(32px,4.6vw,70px);line-height:0.94;letter-spacing:-0.028em}
.d-sm{font-size:clamp(30px,3.4vw,52px);line-height:0.98;letter-spacing:-0.025em}
.echo{color:var(--echo)}
.body-lg{font-size:clamp(20px,2vw,30px);line-height:1.08;font-weight:400;letter-spacing:-0.015em;color:var(--grey)}
.body{font-size:16px;line-height:1.5;color:var(--grey)}
.lede{font-size:clamp(17px,1.7vw,21px);line-height:1.4;color:var(--grey)}
.on-dark .body-lg,.on-dark .body,.on-dark .lede{color:rgba(255,255,255,0.66)}
strong{font-weight:600;color:var(--ink)}.on-dark strong{color:#fff}

/* label row */
.label-row{display:flex;align-items:center;gap:18px;padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.label-row .r{flex:1;height:1px;background:var(--line)}
.label-row.on-dark{border-color:var(--line-dk)}
.label-row.on-dark .r{background:var(--line-dk)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;padding:15px 26px;border-radius:2px;cursor:pointer;transition:translate .15s cubic-bezier(.4,0,.2,1),background .2s,color .2s,border-color .2s}
.btn:hover{translate:0 -2px}
.btn--signal{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.btn--signal:hover{background:var(--signal);color:var(--ink2);border-color:var(--signal)}
.btn--ghost{border:1px solid var(--line);color:var(--ink);background:none}
.btn--ghost:hover{border-color:var(--ink)}
.on-dark .btn--signal{background:#fff;color:var(--ink);border-color:#fff}.on-dark .btn--signal:hover{background:var(--signal);border-color:var(--signal)}
.on-dark .btn--ghost{border-color:var(--line-dk);color:#fff}.on-dark .btn--ghost:hover{border-color:#fff}
.pill{font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:rgba(255,255,255,.75);border:1px solid rgba(255,255,255,.26);border-radius:100px;padding:9px 16px;transition:border-color .2s,color .2s,background .2s}
.pill:hover{color:#fff;border-color:rgba(255,255,255,.6)}
.pill.is-signal{color:var(--ink2);background:var(--signal);border-color:var(--signal)}
.link-cta{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:600;padding-bottom:8px;border-bottom:1px solid var(--line);transition:border-color .2s,color .2s}
.link-cta .arrow{transition:transform .2s}.link-cta:hover{border-color:var(--signal);color:var(--grey)}.link-cta:hover .arrow{transform:translateX(4px)}
.on-dark .link-cta{border-color:var(--line-dk);color:#fff}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;padding:0 var(--pad);color:#fff;transition:background .4s,color .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.is-light{background:rgba(255,255,255,.86);backdrop-filter:saturate(140%) blur(14px);color:var(--ink);border-bottom-color:var(--line)}
.nav.is-solid{background:var(--paper);color:var(--ink);border-bottom-color:var(--line)}
.nav-brand{font-weight:600;font-size:17px;letter-spacing:-0.02em;display:inline-flex;align-items:center;gap:8px}
.nav-brand .dot{width:5px;height:5px;border-radius:50%;background:var(--signal)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{font-size:13.5px;font-weight:600;opacity:.82;transition:opacity .2s}.nav-links a:hover{opacity:1}.nav-links a.is-brief{color:var(--signal);opacity:1}
.nav.is-light .nav-links a.is-brief,.nav.is-solid .nav-links a.is-brief{color:var(--signal-ink)}
.menu-btn{display:none;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;background:none;border:none;color:inherit;cursor:pointer}
@media(max-width:820px){.nav-links{display:none}.menu-btn{display:inline-block}}

/* menu overlay */
.menu-overlay{position:fixed;inset:0;z-index:200;background:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:var(--pad);opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.menu-overlay.is-open{opacity:1;visibility:visible}
.menu-close{position:absolute;top:22px;right:var(--pad);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;background:none;border:none;cursor:pointer}
.menu-nav{display:flex;flex-direction:column;gap:4px}
.menu-nav a{font-weight:600;font-size:clamp(38px,12vw,62px);letter-spacing:-0.03em}.menu-nav a:hover{color:var(--signal-ink)}
.menu-foot{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}

/* HERO (video, homepage) */
.hero{position:relative;height:100svh;min-height:640px;overflow:hidden;background:var(--ink2);display:flex;flex-direction:column;justify-content:flex-end}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero .scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(to bottom,rgba(8,9,10,.42),rgba(8,9,10,.08) 32%,rgba(8,9,10,.2) 58%,rgba(8,9,10,.72) 92%,rgba(8,9,10,.9))}
.hero-word{position:absolute;top:calc(var(--nav-h) + 22px);right:var(--pad);z-index:4;text-align:right;color:#fff}
.hero-word .ghost{font-weight:400;font-size:clamp(13px,1.3vw,17px);letter-spacing:.02em;color:rgba(255,255,255,.5)}
.hero-word .mark{font-weight:600;font-size:clamp(20px,2vw,30px);letter-spacing:-0.02em;margin-top:4px;display:inline-flex;align-items:center;gap:7px}
.hero-word .mark .dot{width:5px;height:5px;border-radius:50%;background:var(--signal)}
.hero-inner{position:relative;z-index:5;width:100%;padding-bottom:clamp(24px,3vw,44px);color:#fff}
.hero-title{margin-bottom:clamp(22px,2.6vw,36px)}
.hero-title .echo{color:rgba(255,255,255,.44)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-bar{position:relative;z-index:5;border-top:1px solid var(--line-dk-soft)}
.hero-bar-inner{display:flex;align-items:center;gap:20px;height:52px}
.hero-bar .mono{color:rgba(255,255,255,.62)}
.hero-bar .r{flex:1;height:1px;background:var(--line-dk-soft)}
.hero-bar .scroll{display:inline-flex;align-items:center;gap:8px}
.hero-bar .scroll .bar{width:1px;height:18px;background:linear-gradient(var(--signal),transparent);animation:sp 2s ease-in-out infinite}
@keyframes sp{0%,100%{opacity:.3;transform:scaleY(.7)}50%{opacity:1;transform:scaleY(1)}}

/* PAGE HERO (content pages) */
.page-hero{padding:calc(var(--nav-h) + clamp(60px,10vw,130px)) 0 clamp(48px,6vw,90px)}
.page-hero .eyebrow{margin-bottom:clamp(24px,3vw,36px)}
.page-hero h1{margin-bottom:clamp(24px,3vw,36px)}
.page-hero .lede{max-width:52ch}

/* SECTION SHELL */
.sec{padding:clamp(84px,12vw,176px) 0}
.sec--tight{padding:clamp(56px,8vw,110px) 0}
.sec.dark{background:var(--ink);color:#fff}
.sec.paper2{background:var(--paper-2)}
.sec.border-top{border-top:1px solid var(--line)}
.sec-eyebrow{margin-bottom:clamp(28px,4vw,48px)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;margin-bottom:clamp(36px,4.5vw,64px)}
.intro{max-width:58ch;margin-bottom:clamp(40px,5vw,64px)}

/* editorial split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,80px);align-items:start}
.split--end{align-items:end}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:32px}}

/* stat grid */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{border:1px solid var(--line);border-radius:3px;padding:clamp(22px,2.2vw,30px);min-height:150px;display:flex;flex-direction:column;justify-content:space-between;transition:border-color .25s}
.stat:hover{border-color:var(--ink)}
.stat .n{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--signal-ink)}
.stat .t{font-weight:600;font-size:clamp(20px,1.8vw,26px);letter-spacing:-0.02em;line-height:1.02}
.stat .d{font-size:13.5px;color:var(--grey);margin-top:8px;line-height:1.4}
@media(max-width:820px){.stat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.stat-grid{grid-template-columns:1fr}}

/* feature cards (2-up image) */
.feat-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat-card{position:relative;aspect-ratio:1/1;overflow:hidden;border-radius:3px;background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:space-between;padding:clamp(22px,2.4vw,34px)}
.feat-card .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.62;transform:scale(1.03);transition:transform .9s cubic-bezier(.16,1,.3,1)}
.feat-card:hover .bg{transform:scale(1.08)}
.feat-card .sc{position:absolute;inset:0;background:linear-gradient(to top,rgba(8,9,10,.85),rgba(8,9,10,.15) 70%)}
.feat-card>*{position:relative;z-index:2}
.feat-card .idx{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}
.feat-card .name{font-weight:600;font-size:clamp(30px,3.6vw,58px);letter-spacing:-0.03em;line-height:.96}
.feat-card .meta{display:flex;gap:36px;margin-top:14px}
.feat-card .meta .k{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.feat-card .meta .v{font-size:14px;margin-top:4px;color:rgba(255,255,255,.9)}
@media(max-width:720px){.feat-cards{grid-template-columns:1fr}}

/* huge-word + image + row cards (stack) */
.stack-top{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);align-items:center;margin-bottom:clamp(36px,4vw,56px)}
.stack-img{position:relative;height:clamp(280px,36vw,480px);border-radius:3px;overflow:hidden}
.stack-img .bg{position:absolute;inset:0;background-size:cover;background-position:center;will-change:transform}
.rowcards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.rowcard{background:var(--ink);color:#fff;border-radius:3px;padding:clamp(22px,2.2vw,30px);display:flex;flex-direction:column;gap:20px;min-height:200px;transition:transform .3s}
.rowcard:hover{transform:translateY(-3px)}
.rowcard .top{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.rowcard .rn{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--signal)}
.rowcard .view{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.rowcard .rname{font-weight:600;font-size:clamp(24px,2.2vw,32px);letter-spacing:-0.025em;margin-top:auto}
.rowcard .rdesc{font-size:13.5px;line-height:1.45;color:rgba(255,255,255,.7)}
@media(max-width:820px){.stack-top{grid-template-columns:1fr}.rowcards{grid-template-columns:1fr}}

/* gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:clamp(40px,5vw,64px)}
.gallery .g{aspect-ratio:4/3;border-radius:3px;overflow:hidden;position:relative}
.gallery .g .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .9s cubic-bezier(.16,1,.3,1)}
.gallery .g:hover .bg{transform:scale(1.05)}
@media(max-width:640px){.gallery{grid-template-columns:1fr}}

/* proof / numbered cells */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
.proof-cell{background:var(--paper);padding:clamp(24px,2.6vw,38px);min-height:150px;display:flex;flex-direction:column;justify-content:space-between;transition:background .25s}
.proof-cell:hover{background:var(--paper-2)}
.proof-cell .n{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--signal-ink)}
.proof-cell .t{font-weight:600;font-size:clamp(19px,1.7vw,24px);letter-spacing:-0.02em}
.proof-cell .d{font-size:13.5px;color:var(--grey);margin-top:6px;line-height:1.4}
@media(max-width:820px){.proof-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.proof-grid{grid-template-columns:1fr}}

/* service detail blocks (numbered articles) */
.svc-block{display:grid;grid-template-columns:120px 1fr;gap:clamp(24px,4vw,64px);padding:clamp(40px,5vw,72px) 0;border-top:1px solid var(--line)}
.svc-block:last-child{border-bottom:1px solid var(--line)}
.svc-block .num{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--signal-ink)}
.svc-block h2{font-weight:600;font-size:clamp(26px,3vw,44px);letter-spacing:-0.025em;line-height:1.0;margin-bottom:18px;max-width:22ch}
.svc-block .svc-list{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:20px}
.svc-block .svc-list span{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--grey);border:1px solid var(--line);border-radius:100px;padding:7px 13px}
@media(max-width:640px){.svc-block{grid-template-columns:1fr;gap:16px}}

/* tier cards (estimate teaser) */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tier{border:1px solid var(--line);border-radius:3px;padding:clamp(24px,2.6vw,36px);transition:border-color .25s;display:flex;flex-direction:column;min-height:260px}
.tier:hover{border-color:var(--ink)}
.tier .k{margin-bottom:auto}
.tier .from{font-size:12px;color:var(--echo);margin:22px 0 4px}
.tier .amt{font-weight:600;font-size:clamp(34px,3.6vw,56px);letter-spacing:-0.03em;line-height:1}
.tier .amt .cur{color:var(--echo);font-size:.5em;vertical-align:super;margin-right:2px}
.tier .desc{font-size:13.5px;color:var(--grey);margin-top:12px;line-height:1.45}
@media(max-width:720px){.tier-grid{grid-template-columns:1fr}}

/* gear/centered statement wrapper */
.gear{text-align:center}
.gear .statement{max-width:20ch;margin:0 auto 14px}
.gear .apparel{margin-bottom:clamp(48px,6vw,72px)}
.gear .fine{margin:clamp(32px,4vw,48px) auto 0;max-width:56ch;color:var(--grey)}
.tier-grid.left{text-align:left}

/* forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--echo)}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:15px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:2px;padding:14px 15px;transition:border-color .2s}
.field input:focus,.field select,.field textarea:focus{outline:none;border-color:var(--ink)}
.field textarea{min-height:130px;resize:vertical}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
.side-block{border-top:1px solid var(--line);padding-top:20px;margin-top:8px}
.side-block .k{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--echo);margin-bottom:8px}
.side-block .v{font-size:16px}

/* checklist */
.check{display:flex;flex-direction:column;gap:2px}
.check li{list-style:none;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;display:flex;gap:12px;align-items:baseline}
.check li::before{content:"—";color:var(--signal-ink)}

/* FOOTER */
.foot{background:var(--ink);color:#fff;padding:clamp(84px,11vw,150px) 0 40px;text-align:center}
.foot .ready{margin-bottom:22px}
.foot .ready .echo{color:rgba(255,255,255,.4)}
.foot .sub{color:rgba(255,255,255,.6);max-width:46ch;margin:0 auto 34px;font-size:17px;line-height:1.5}
.foot .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.fbot{display:flex;justify-content:space-between;align-items:center;margin-top:clamp(64px,9vw,110px);padding-top:24px;border-top:1px solid var(--line-dk);font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--echo-dk);flex-wrap:wrap;gap:12px}
.fbot a:hover{color:#fff}
/* simple footer variant (links columns) */
.footer{background:var(--ink);color:#fff;padding:clamp(64px,8vw,110px) 0 40px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-mark{font-weight:600;font-size:22px;letter-spacing:-0.02em;display:inline-flex;align-items:center;gap:8px}
.footer-mark .dot{width:5px;height:5px;border-radius:50%;background:var(--signal)}
.footer-tag{margin-top:14px;font-size:14px;color:rgba(255,255,255,.6);max-width:34ch;line-height:1.5}
.footer-col h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--echo-dk);margin-bottom:16px;font-weight:400}
.footer-col a{display:block;font-size:15px;padding:6px 0;color:rgba(255,255,255,.7);transition:color .2s}.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--line-dk);font-size:13px;color:var(--echo-dk);flex-wrap:wrap;gap:12px}
@media(max-width:720px){.footer-top{grid-template-columns:1fr 1fr}}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.line-mask{display:block;overflow:hidden}
.line-mask>span{display:block;transform:translateY(106%);transition:transform .85s cubic-bezier(.16,1,.3,1)}
.line-mask.in>span{transform:none}
@media(prefers-reduced-motion:reduce){.reveal,.line-mask>span{opacity:1!important;transform:none!important;transition:none!important}.hero-bar .scroll .bar{animation:none}}

/* ============================================================
   DARK THEME — opt-in via <body class="theme-dark">
   The brand's near-black editorial mode. Flips a page to dark so
   dark modules (calculator, footer) stop floating in stark white.
   Prototype scope: estimate page. Extends to the rest on approval.
   ============================================================ */
.theme-dark{
  background:#0E1012; color:#F1EFEA;
  --paper-2:#15181B;
  --grey:rgba(241,239,234,0.72);
  --echo:rgba(241,239,234,0.52);
  --line:rgba(255,255,255,0.12);
  --line-soft:rgba(255,255,255,0.07);
}
.theme-dark .lede,.theme-dark .body,.theme-dark .body-lg{color:rgba(241,239,234,0.72)}
.theme-dark .disp .echo{color:rgba(241,239,234,0.42)}
.theme-dark strong{color:#fff}
.theme-dark .sec.paper2{background:var(--paper-2)}
.theme-dark .menu-overlay{background:#0E1012}
.theme-dark .btn--ghost{color:#F1EFEA;border-color:var(--line)}
.theme-dark .nav.is-light,.theme-dark .nav.is-solid{background:rgba(14,16,18,0.85);color:#F1EFEA;border-bottom-color:rgba(255,255,255,0.10)}
.theme-dark .nav.is-light .nav-links a.is-brief,.theme-dark .nav.is-solid .nav-links a.is-brief{color:var(--signal)}

/* --- site-wide rollout (index/about/services/work/contact) --- */
/* primary CTA on dark → light fill, mint on hover (mirrors .on-dark;
   the estimate gate-btn stays mint via calc-v2's later-loaded .calc-shell rule) */
.theme-dark .btn--signal{background:#fff;color:var(--ink);border-color:#fff}
.theme-dark .btn--signal:hover{background:var(--signal);color:var(--ink);border-color:var(--signal)}
/* mint-as-text: --signal-ink is the deep teal for LIGHT bg; on dark use bright --signal */
.theme-dark .stat .n,.theme-dark .proof-cell .n,.theme-dark .svc-block .num{color:var(--signal)}
/* card hover borders were var(--ink) — invisible on near-black */
.theme-dark .stat:hover,.theme-dark .tier:hover{border-color:rgba(255,255,255,0.42)}
/* proof cells default to var(--paper) white → dark surface, no white holes */
.theme-dark .proof-cell{background:#131518}
.theme-dark .proof-cell:hover{background:#191D21}
/* contact form fields default to var(--paper) white → dark inputs on the dark page */
.theme-dark .field input,.theme-dark .field select,.theme-dark .field textarea{background:rgba(255,255,255,0.04);color:#F1EFEA;border-color:var(--line)}
.theme-dark .field input:focus,.theme-dark .field select:focus,.theme-dark .field textarea:focus{border-color:rgba(255,255,255,0.5)}
.theme-dark .field input::placeholder,.theme-dark .field textarea::placeholder{color:rgba(241,239,234,0.4)}