:root{--ink:#231F20;--paper:#fff;--acc:#C9A86A;--accd:#A8853F;--f:"Inter","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;--ease:cubic-bezier(.2,.7,.1,1)}
[data-theme=dark]{--bg:#231F20;--bg2:#1a1718;--fg:#fff;--mut:rgba(255,255,255,.66);--line:rgba(255,255,255,.12);--card:#2c2728}
[data-theme=light]{--bg:#fff;--bg2:#f4f3f2;--fg:#231F20;--mut:rgba(35,31,32,.68);--line:rgba(35,31,32,.12);--card:#fff;--accd:#8A6A2C}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f);font-size:17px;line-height:1.6;transition:background .4s,color .4s;padding-bottom:72px}
@media(min-width:900px){body{padding-bottom:0}}
img{max-width:100%;height:auto;display:block}a{color:inherit}
.wrap{width:min(1200px,100% - 40px);margin-inline:auto}.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--acc);color:#231F20;padding:8px 12px}
[data-theme=dark] .lg-onlight,[data-theme=light] .lg-ondark{display:none}
.hdr{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:24px;height:68px}.brand img{height:26px;width:auto}
.nav{display:none;gap:28px;margin-left:auto}.nav a{text-decoration:none;font-weight:600;font-size:15px;opacity:.75;position:relative;transition:opacity .2s}
.nav a:hover,.nav a[aria-current]{opacity:1}.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--acc);transform:scaleX(0);transition:transform .3s var(--ease)}
.nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.hdr-act{display:flex;gap:10px;align-items:center;margin-left:auto}@media(min-width:900px){.nav{display:flex}.hdr-act{margin-left:24px}}
.tgl{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer;font-size:17px;transition:transform .4s var(--ease),border-color .2s}
.tgl:hover{border-color:var(--acc);transform:rotate(25deg)}[data-theme=dark] .sun,[data-theme=light] .moon{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;text-decoration:none;border-radius:999px;padding:13px 22px;border:1.5px solid transparent;cursor:pointer;font-size:16px;font-family:inherit;transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s}
.btn:hover{transform:translateY(-2px)}.btn-sm{padding:9px 16px;font-size:14px}.btn-lg{padding:17px 28px;font-size:17px}
.btn-acc{background:var(--acc);color:#231F20}.btn-acc:hover{box-shadow:0 10px 30px -10px var(--acc)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-solid{background:var(--fg);color:var(--bg);width:100%}
.show-sm{display:inline}.hide-sm{display:none}@media(min-width:600px){.show-sm{display:none}.hide-sm{display:inline}}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:12.5px;font-weight:700;color:var(--accd);margin:0 0 14px}
[data-theme=dark] .eyebrow,.hero .eyebrow,.phero .eyebrow{color:var(--acc)}
h1,h2,h3{line-height:1.02;letter-spacing:-.03em;margin:0 0 .4em;font-weight:800}
.h-xxl{font-size:clamp(48px,9vw,120px)}.h-xl{font-size:clamp(38px,6vw,80px)}.h-lg{font-size:clamp(30px,4vw,48px)}
.lede{font-size:clamp(17px,1.6vw,20px);color:var(--mut);margin:0 0 28px}.acc{color:var(--acc)}
.hero,.phero,.band{position:relative;overflow:hidden;background:#231F20;color:#fff;isolation:isolate}.hero .lede,.phero .lede,.band .lede{color:rgba(255,255,255,.78)}
.hero-bg,.band-bg{position:absolute;inset:-8% 0;z-index:-2;will-change:transform}.hero-bg img,.band-bg img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.1) brightness(.55)}
.hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,rgba(35,31,32,.96) 0%,rgba(35,31,32,.82) 45%,rgba(35,31,32,.55) 100%),linear-gradient(0deg,rgba(35,31,32,.9),transparent 40%)}
.hero-in{display:grid;gap:40px;padding:72px 0 64px;align-items:center}@media(min-width:1000px){.hero-in{grid-template-columns:1.25fr .9fr;padding:110px 0 100px;min-height:calc(100vh - 68px)}}
.hero h1{font-size:clamp(50px,8.5vw,112px);display:flex;flex-direction:column}.hero h1 span{display:block}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}.hours{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;margin:0}
.dot{width:9px;height:9px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 0 var(--acc);animation:pulse 2.4s infinite}@keyframes pulse{70%{box-shadow:0 0 0 10px transparent}}
.qf{background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:22px;padding:26px;display:grid;gap:14px;box-shadow:0 30px 80px -30px rgba(0,0,0,.6)}
.hero .qf{background:rgba(255,255,255,.96);color:#231F20;--fg:#231F20;--bg:#fff;--mut:rgba(35,31,32,.65);--line:rgba(35,31,32,.14)}
.qf-h h2{font-size:26px;margin:0 0 4px}.qf-h p{margin:0;color:var(--mut);font-size:15px}
.qf label{display:grid;gap:6px;font-size:14px;font-weight:700}.req{font-weight:600;color:var(--accd);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.qf input,.qf textarea{font:inherit;font-size:16px;padding:13px 14px;border-radius:12px;border:1.5px solid var(--line);background:transparent;color:inherit;transition:border-color .2s,box-shadow .2s;width:100%}
.qf input:focus,.qf textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 25%,transparent)}
.qf .hp{position:absolute;left:-9999px;width:1px;height:1px}.qf-msg{margin:0;font-size:15px;font-weight:600;min-height:1.2em}.qf-msg.ok{color:#2f7d4f}.qf-msg.err{color:#b3261e}
.marq{background:var(--acc);color:#231F20;overflow:hidden;padding:16px 0;white-space:nowrap}.marq-t{display:inline-flex;gap:28px;animation:marq 38s linear infinite;font-weight:800;font-size:clamp(20px,2.6vw,30px);letter-spacing:-.02em;text-transform:uppercase}
.marq i{font-style:normal;opacity:.55}@keyframes marq{to{transform:translateX(-50%)}}
.sec{padding:clamp(72px,10vw,140px) 0}.sec-tight{padding-top:0}
.svcs{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden;margin-top:48px}@media(min-width:800px){.svcs{grid-template-columns:repeat(2,1fr)}}
.svc{background:var(--bg);padding:36px;transition:background .35s}.svc:hover{background:var(--bg2)}.svc h3{font-size:clamp(24px,2.6vw,32px)}.svc p{color:var(--mut);margin:0}
.num{display:block;font-weight:800;color:var(--accd);margin-bottom:28px;font-size:14px;letter-spacing:.1em}[data-theme=dark] .num{color:var(--acc)}
.band-in{padding:clamp(90px,14vw,180px) 0}
.row-h{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:36px}
.more{font-weight:700;text-decoration:none;color:var(--accd)}[data-theme=dark] .more{color:var(--acc)}.more:hover{text-decoration:underline}
.pcards{display:grid;gap:24px}@media(min-width:900px){.pcards{grid-template-columns:1fr 1fr}}
.pcard{display:block;text-decoration:none;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--card);transition:transform .45s var(--ease),box-shadow .45s}
.pcard:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(0,0,0,.45)}.pc-img{overflow:hidden;aspect-ratio:16/9;background:#231F20}
.pc-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.1);transition:transform .8s var(--ease),filter .6s}.pcard:hover .pc-img img{transform:scale(1.05);filter:grayscale(.2)}
.pc-b{padding:28px}.pc-b h3{font-size:clamp(24px,2.4vw,30px)}.pc-b p{color:var(--mut)}
.bgrid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));border-top:1px solid var(--line)}
.bgrid li{padding:22px 4px;border-bottom:1px solid var(--line);font-weight:800;font-size:clamp(20px,2.2vw,26px);letter-spacing:-.02em;transition:color .25s,padding .3s var(--ease)}.bgrid li:hover{color:var(--accd);padding-left:12px}
.phero-in{padding:clamp(80px,12vw,160px) 0 clamp(60px,8vw,100px)}
.split{display:grid;gap:40px}@media(min-width:900px){.split{grid-template-columns:1.2fr 1fr;align-items:start}}
.ticks{padding:0;list-style:none}.ticks li{padding:14px 0 14px 34px;border-bottom:1px solid var(--line);position:relative}.ticks li::before{content:"";position:absolute;left:0;top:22px;width:16px;height:2px;background:var(--acc)}
.callcard{display:grid;gap:6px;text-decoration:none;background:#231F20;color:#fff;border-radius:22px;padding:36px;border:1px solid rgba(255,255,255,.1);transition:transform .4s var(--ease);margin:40px 0}
.callcard:hover{transform:translateY(-4px)}.cc-k{color:var(--acc);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:13px}.cc-n{font-size:clamp(34px,5vw,54px);font-weight:800;letter-spacing:-.03em}.cc-s{opacity:.7}
.info h3{font-size:18px;margin-top:20px}.info p{color:var(--mut);margin:0}
.ahero{padding:clamp(56px,8vw,100px) 0 32px}.ahero .h-xl{font-size:clamp(36px,5.4vw,68px)}
.afig{margin:0 auto 56px}.afig img{border-radius:22px;width:100%}.afig figcaption{font-size:13px;color:var(--mut);margin-top:10px}
.prose{max-width:720px;font-size:18.5px}.prose h2{font-size:clamp(26px,3vw,36px);margin:1.8em 0 .5em}.prose p,.prose li{color:color-mix(in srgb,var(--fg) 86%,transparent)}
.prose li{margin:.35em 0}.prose a{color:var(--accd);text-underline-offset:3px}[data-theme=dark] .prose a{color:var(--acc)}.prose strong{color:var(--fg)}
.ftr{border-top:1px solid var(--line);padding:64px 0 32px;background:var(--bg2)}.ftr-in{display:grid;gap:32px;margin-bottom:40px}@media(min-width:800px){.ftr-in{grid-template-columns:1.2fr 1fr 1fr 1fr}}
.ftr img{width:130px;height:auto}.ftr h3{font-size:13px;text-transform:uppercase;letter-spacing:.16em;color:var(--mut);margin-bottom:10px}.ftr p{margin:0}.ftr .big{font-size:22px;font-weight:800;text-decoration:none}.small{font-size:14px;color:var(--mut)}.small a{color:inherit}
.fab{position:fixed;left:16px;right:16px;bottom:14px;z-index:60;display:flex;justify-content:center;align-items:center;gap:10px;padding:16px;border-radius:999px;background:var(--acc);color:#231F20;font-weight:800;text-decoration:none;box-shadow:0 14px 40px -10px rgba(0,0,0,.55)}@media(min-width:900px){.fab{display:none}}
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease) var(--d,0ms),transform .9s var(--ease) var(--d,0ms)}.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}.hero-bg,.band-bg{transform:none!important}}
.pc-mark{height:100%;display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,#3a3435,#231F20 70%)}.pc-mark img{width:28%;height:auto;filter:none!important;transition:transform .8s var(--ease)}.pcard:hover .pc-mark img{transform:scale(1.08)}
/* ===== design branch: monochrome UI, gold only on diagrams ===== */
:root{--gold:#C9A86A}
[data-theme=dark]{--mut:rgba(255,255,255,.7)}
.btn-acc{background:var(--fg);color:var(--bg)}.btn-acc:hover{box-shadow:0 12px 34px -12px rgba(0,0,0,.6)}
.hero .btn-acc,.band .btn-acc,.phero .btn-acc{background:#fff;color:#231F20}
.fab{background:var(--fg);color:var(--bg)}
.eyebrow,[data-theme=dark] .eyebrow,.hero .eyebrow,.phero .eyebrow{color:var(--mut)}
.hero .eyebrow,.phero .eyebrow{color:rgba(255,255,255,.72)}
.acc{color:transparent;background:linear-gradient(90deg,#fff,#9b9697);-webkit-background-clip:text;background-clip:text}
[data-theme=light] .sec .acc{background:linear-gradient(90deg,#231F20,#6b6566);-webkit-background-clip:text;background-clip:text}
.num,[data-theme=dark] .num{color:var(--mut)}
.more,[data-theme=dark] .more{color:var(--fg)}.more{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:5px}
.prose a,[data-theme=dark] .prose a{color:var(--fg);text-decoration-thickness:1px}
.nav a::after{background:var(--fg)}.dot{background:#fff;box-shadow:0 0 0 0 #fff}
.marq{background:var(--bg2);color:var(--fg);border-block:1px solid var(--line)}.marq i{opacity:.35}
.req{color:var(--mut)}.cc-k{color:rgba(255,255,255,.7)}.ticks li::before{background:var(--fg)}
.qf input:focus,.qf textarea:focus{border-color:var(--fg);box-shadow:0 0 0 4px var(--line)}
.bgrid li:hover{color:var(--fg)}
/* line art */
.la{width:100%;max-width:180px;height:auto;margin-bottom:18px}
.la .gr path{stroke:var(--line);stroke-width:.6}.la .ln,.radar .ln{stroke:color-mix(in srgb,var(--fg) 55%,transparent);stroke-width:1.6}
.la .hl,.radar .hl,.hero-lines .hl{stroke:var(--gold);stroke-width:2}.radar .hl-f{fill:var(--gold)}
.svc .la .ln{stroke-dasharray:400;stroke-dashoffset:400;transition:stroke-dashoffset 1.6s var(--ease)}.svc.in .la .ln{stroke-dashoffset:0}
.svc{text-decoration:none;display:block}.svc:hover .la .hl{filter:drop-shadow(0 0 6px rgba(201,168,106,.6))}
/* hero type + motion */
.hx{font-size:clamp(52px,9vw,124px);line-height:.95;letter-spacing:-.045em;margin:0 0 28px}
.hx .w{display:inline-block;opacity:0;transform:translateY(.5em) rotate(2deg);filter:blur(8px);animation:wordIn 1s var(--ease) forwards;animation-delay:calc(var(--i)*110ms + 120ms)}
@keyframes wordIn{to{opacity:1;transform:none;filter:none}}
.hero-lines{position:absolute;right:-4%;top:12%;width:min(720px,70vw);z-index:-1;opacity:.55;pointer-events:none}
.hero-lines .draw{stroke:rgba(255,255,255,.55);stroke-width:1.4;stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 3.2s var(--ease) .4s forwards}
.hero-lines .dim{stroke:rgba(255,255,255,.18)}.hero-lines .hl{animation-delay:1.6s}
@keyframes draw{to{stroke-dashoffset:0}}
@media(max-width:900px){.hero-lines{top:auto;bottom:4%;opacity:.3;width:110vw;right:-30%}}
.hero-in{grid-template-columns:1fr!important}.hero-copy{max-width:860px}
/* quick form */
.qf-quick{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);color:#fff;padding:18px;border-radius:20px;margin:6px 0 22px;box-shadow:none;max-width:720px;--fg:#fff;--line:rgba(255,255,255,.22)}
.qf-k{margin:0 0 10px;font-weight:700;font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.qq-row{display:grid;gap:10px}@media(min-width:700px){.qq-row{grid-template-columns:1.2fr 1fr auto}}
.qf-quick input{background:rgba(0,0,0,.25);color:#fff;border-color:rgba(255,255,255,.25)}.qf-quick input::placeholder{color:rgba(255,255,255,.7)}
.qf-quick .btn-solid{background:#fff;color:#231F20;width:auto;white-space:nowrap}.qf-quick .qf-msg.ok{color:#9fe0b7}.qf-quick .qf-msg.err{color:#ffb4ab}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* brand grid */
.bgrid2{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.bgrid2 li{background:var(--bg);padding:30px 24px;position:relative;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:22px 22px;background-position:-1px -1px;transition:background-color .3s}
.bgrid2 li::after{content:"";position:absolute;left:24px;bottom:20px;width:24px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.bgrid2 li:hover{background-color:var(--bg2)}.bgrid2 li:hover::after{transform:scaleX(1)}
.bn{display:block;font-weight:800;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.03em}.bt{display:block;color:var(--mut);font-size:13px;margin-top:6px}
/* areas */
.alist{list-style:none;padding:0;margin:24px 0 0;border-top:1px solid var(--line)}.alist a{display:flex;justify-content:space-between;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none;font-weight:800;font-size:clamp(22px,2.6vw,32px);letter-spacing:-.02em;transition:padding .3s var(--ease)}.alist a:hover{padding-left:14px}
.radar svg{width:100%;max-width:460px;margin-inline:auto;display:block}.radar text{fill:var(--mut);font:600 13px var(--f)}
.radar .sweep{stroke:color-mix(in srgb,var(--fg) 30%,transparent);stroke-width:1;stroke-dasharray:60 1166;transform-origin:200px 200px;animation:spin 8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
/* breadcrumbs, toc, post */
.bc ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 22px;font-size:14px;color:rgba(255,255,255,.75)}.ahero .bc ol{color:var(--mut)}.bc li+li::before{content:"/";margin-right:8px;opacity:.5}.bc a{text-decoration:none}.bc a:hover{text-decoration:underline}
.phero-ic .la{max-width:160px}.phero-ic .la .ln{stroke:rgba(255,255,255,.6)}.phero-ic .la .gr path{stroke:rgba(255,255,255,.12)}
.meta{font-size:14px;color:var(--mut);margin:0}
.post-grid{display:grid;gap:32px}@media(min-width:1100px){.post-grid{grid-template-columns:240px minmax(0,720px);gap:64px}.toc{position:sticky;top:96px;align-self:start}}
.toc{border:1px solid var(--line);border-radius:16px;padding:20px 22px;font-size:15px}.toc ol{margin:0;padding-left:18px}.toc li{margin:.4em 0}.toc a{text-decoration:none;color:var(--mut)}.toc a:hover{color:var(--fg)}
.prose h2{scroll-margin-top:90px}.sec-rel{padding-top:40px}
@media(min-width:1000px){.pcards{grid-template-columns:repeat(3,1fr)}}
.fh{font-size:13px;text-transform:uppercase;letter-spacing:.16em;color:var(--mut);margin:0 0 10px;font-weight:700}.fl{list-style:none;padding:0;margin:0}.fl li{margin:.3em 0}.fl a{text-decoration:none}.fl a:hover{text-decoration:underline}
@media(min-width:800px){.ftr-in{grid-template-columns:1fr 1fr 1fr 1fr}}
@media(prefers-reduced-motion:reduce){.hx .w{opacity:1;transform:none;filter:none}.hero-lines .draw,.svc .la .ln{stroke-dashoffset:0}}
.hero h1.hx{display:block}
@media(min-width:700px){.bgrid2{grid-template-columns:repeat(3,1fr)}}