/* Sigma82 - Classical design system tokens + page styles. Hairlines, gold as stroke. */
:root{
  --color-bg:#f3f2f2;--color-surface:#eae9e9;--color-text:#201f1d;--color-accent:#b68235;
  --color-divider:color-mix(in srgb,#201f1d 16%,transparent);
  --color-accent-100:#fff3e4;--color-accent-700:#7d5411;
  --font-heading:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --font-body:"Lora",Georgia,"Times New Roman",serif;
  --radius-sm:2px;--radius-md:4px;
  --ink-62:color-mix(in srgb,var(--color-text) 62%,transparent);
  --ink-64:color-mix(in srgb,var(--color-text) 64%,transparent);
  --ink-66:color-mix(in srgb,var(--color-text) 66%,transparent);
  --ink-68:color-mix(in srgb,var(--color-text) 68%,transparent);
  --ink-72:color-mix(in srgb,var(--color-text) 72%,transparent);
  --ink-78:color-mix(in srgb,var(--color-text) 78%,transparent);
  --ink-80:color-mix(in srgb,var(--color-text) 80%,transparent);
}
:root[data-theme=dark]{
  --color-bg:#1b1a19;--color-surface:#262423;--color-text:#ece8e4;--color-accent:#c9964c;
  --color-divider:color-mix(in srgb,#ece8e4 15%,transparent);
  --color-accent-100:#2a2117;--color-accent-700:#e1ad66;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light dark}
:root[data-theme=dark]{color-scheme:dark}
body{margin:0;background:var(--color-bg);color:var(--color-text);font:15px/1.55 var(--font-body);text-wrap:pretty;transition:background-color .3s ease,color .3s ease}
h1,h2,h3{font-family:var(--font-heading);margin:0}
p{margin:0}
a{color:var(--color-text);text-decoration-color:var(--color-accent);text-underline-offset:4px}
a:hover{color:var(--color-accent-700)}
:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
::selection{background:color-mix(in srgb,var(--color-accent) 30%,transparent)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
button{font:inherit;color:inherit}
.acc{color:var(--color-accent)}.acc7{color:var(--color-accent-700)}
.no{color:var(--color-accent-700);font-feature-settings:"tnum"}

/* frame */
.frame{display:grid;grid-template-columns:minmax(200px,240px) minmax(0,1fr);min-height:100vh}
main{padding:0 clamp(28px,7vw,112px);min-width:0;max-width:1120px}
.side{border-right:1px solid var(--color-divider);padding:48px 32px;display:flex;flex-direction:column;gap:64px;position:sticky;top:0;height:100vh;overflow:auto}
.mark{font-family:var(--font-heading);font-size:34px;line-height:1;text-decoration:none;color:var(--color-text)}
.mark:hover{color:var(--color-text)}
.nav{display:flex;flex-direction:column;gap:16px}
.navi{display:grid;grid-template-columns:36px 1fr;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-66);text-decoration:none}
.navi:hover{color:var(--color-text)}
.navi .lb,.topi{padding-bottom:3px;border-bottom:1px solid transparent;justify-self:start}
.navi[aria-current] {color:var(--color-text)}
.navi[aria-current] .lb,.topi[aria-current]{border-bottom-color:var(--color-accent)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:20px}
.loc{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-62);line-height:22px}
.theme{all:unset;cursor:pointer;width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--color-divider);border-radius:50%;color:var(--color-text);transition:border-color .2s}
.theme:hover{border-color:var(--color-accent);color:var(--color-accent-700)}
.theme:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
.theme svg{transition:transform .45s cubic-bezier(.4,0,.2,1)}
.theme .i-light,.theme .i-dark{display:none}
:root[data-mode=light] .theme .i-auto,:root[data-mode=dark] .theme .i-auto{display:none}
:root[data-mode=light] .theme .i-light,:root[data-mode=dark] .theme .i-dark{display:inline}
.top{display:none}

@media (max-width:819px){
  .frame{grid-template-columns:minmax(0,1fr)}
  .side{display:none}
  .top{display:flex;position:sticky;top:0;z-index:5;background:var(--color-bg);border-bottom:1px solid var(--color-divider);padding:18px 24px 0;flex-direction:column;gap:14px}
  .top-row{display:flex;justify-content:space-between;align-items:center;gap:16px}
  .top .mark{font-size:28px}
  .top-nav{display:flex;gap:22px;overflow-x:auto;padding-bottom:12px}
  .topi{white-space:nowrap;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-66);text-decoration:none;display:flex;gap:0}
  .topi .no{display:none}
  .topi[aria-current]{color:var(--color-text)}
}
.topi{display:flex}
.topi .no{display:none}

/* hero */
.hero{position:relative;padding:clamp(56px,7vh,88px) 0 136px}
.hero-grid{position:absolute;inset:0 0 40px;pointer-events:none;background-image:linear-gradient(to right,var(--color-divider) 1px,transparent 1px),linear-gradient(to bottom,var(--color-divider) 1px,transparent 1px);background-size:96px 96px;opacity:.45;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 70%,transparent)}
.hero-chart{position:absolute;left:0;right:0;bottom:16px;width:100%;height:104px;pointer-events:none}
.hc-band{fill:var(--color-accent);opacity:.1;stroke:none}
.hc-mean{fill:none;stroke:var(--color-text);stroke-width:1;vector-effect:non-scaling-stroke;opacity:.35;stroke-dasharray:2 3}
.hc-line{fill:none;stroke:var(--color-accent);stroke-width:1;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.hero h1{position:relative;font-weight:500;font-size:clamp(42px,5.4vw,72px);line-height:1.08;letter-spacing:-.01em;max-width:24ch}
.hero h1 span{display:block}
.sub{position:relative;font-family:var(--font-heading);font-size:clamp(22px,2.2vw,28px);line-height:1.3;margin-top:32px;color:var(--color-accent-700)}
.diff{position:relative;font-size:18px;line-height:30px;margin-top:20px;max-width:54ch;color:var(--ink-80)}
.quiet{position:relative;display:inline-block;margin-top:28px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;padding-bottom:4px;border-bottom:1px solid var(--color-accent);text-decoration:none}
.disc-row{position:relative;display:flex;flex-wrap:wrap;gap:10px 32px;margin-top:56px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-68)}

/* sections */
.sec{padding:0 0 112px;scroll-margin-top:24px}
.sec.last{padding-bottom:120px}
.sh{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding-bottom:16px;border-bottom:1px solid var(--color-text)}
.shl,.cap{font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.shl .no{margin-right:16px}
.cap{color:var(--ink-62)}
.arow{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px 48px;align-items:baseline;padding:28px 0;border-bottom:1px solid var(--color-divider)}
.arow h3{font-weight:400;font-size:28px;line-height:1.15}
.arow p{font-size:15px;line-height:26px;color:var(--ink-78)}

.prow{box-sizing:border-box;width:100%;display:flex;flex-wrap:wrap;gap:24px 32px;align-items:center;padding:40px 0;border-bottom:1px solid var(--color-divider);color:var(--color-text);text-decoration:none}
.prow:hover{background:var(--color-accent-100);color:var(--color-text)}
.pno{flex:0 0 32px;align-self:flex-start;font-size:13px;padding-top:10px;color:var(--color-accent-700);font-feature-settings:"tnum"}
.pbody{flex:1 1 340px;display:flex;flex-direction:column;gap:12px;min-width:0}
.pname{font-family:var(--font-heading);font-size:36px;line-height:1.1}
.pdesc{font-size:16px;line-height:27px;max-width:58ch;color:var(--ink-80)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.tag{display:inline-flex;align-items:center;font-size:11px;letter-spacing:.02em;padding:3px 10px;border-radius:var(--radius-sm);border:1px solid var(--color-accent);color:var(--color-accent-700);white-space:nowrap}
.micro{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:6px;font-size:12px;line-height:20px;color:var(--ink-68)}
.micro .no{margin-right:6px}
.pcta{font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-top:6px;color:var(--color-accent-700)}
.glyph{flex:0 1 200px;min-width:160px;margin-left:auto;height:90px;border-left:1px solid var(--color-divider);border-bottom:1px solid var(--color-divider)}
.g-aux{fill:none;stroke:var(--color-divider);stroke-width:1;vector-effect:non-scaling-stroke}
.g-main{fill:none;stroke:var(--color-accent);stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}
.g-dots{fill:var(--color-accent);stroke:none}

/* briefings */
.intro{font-size:15px;line-height:26px;margin:24px 0 8px;max-width:56ch;color:var(--ink-72)}
.tabs{display:flex;gap:24px;flex-wrap:wrap;padding:16px 0 4px}
.tabs button{all:unset;cursor:pointer;font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding-bottom:3px;border-bottom:1px solid transparent;color:var(--ink-64)}
.tabs button:hover{color:var(--color-text)}
.tabs button[aria-selected=true]{color:var(--color-text);border-bottom-color:var(--color-accent)}
.tabs button:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
.empty{font-size:14px;margin-top:24px;color:var(--ink-66)}
.brow{box-sizing:border-box;width:100%;display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--color-divider);text-decoration:none;color:var(--color-text)}
.brow:hover{color:var(--color-accent-700)}
.bi{flex:0 0 120px;display:flex;flex-direction:column;gap:4px;font-feature-settings:"tnum"}
.bi b{font-weight:400;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--color-accent-700)}
.bi span{font-size:13px;color:var(--ink-68)}
.bt{flex:1 1 300px;display:flex;flex-direction:column;gap:6px;min-width:0}
.bt b{font-family:var(--font-heading);font-weight:400;font-size:26px;line-height:1.15}
.bt span{font-size:14px;line-height:23px;color:var(--ink-72)}
.bm{font-size:11px;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;color:var(--ink-64)}
.ba{color:var(--color-accent)}

/* about / contact */
.about{padding-top:48px}
.stmt{font-family:var(--font-heading);font-weight:400;font-size:clamp(26px,3vw,40px);line-height:1.3;letter-spacing:-.005em;max-width:30ch}
.stmt+.stmt{margin-top:.4em}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr));margin:64px 0 0;border-top:1px solid var(--color-divider)}
.facts>div{padding:20px 24px 20px 0;border-bottom:1px solid var(--color-divider)}
.facts dt{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-64)}
.facts dd{margin:10px 0 0;font-family:var(--font-heading);font-size:20px;line-height:1.35}
.redact{display:inline-block;width:72px;height:.8em;background:var(--color-text);vertical-align:-.05em}
.contact{display:flex;justify-content:space-between;align-items:baseline;gap:24px;flex-wrap:wrap;padding-top:32px}
.contact a{font-family:var(--font-heading);font-size:22px;text-decoration:none;color:var(--ink-72)}
.contact a:hover{color:var(--color-accent-700)}
.contact span{font-size:13px;color:var(--ink-66)}

/* footer */
.foot{border-top:1px solid var(--color-divider);padding:28px 0 40px;display:flex;justify-content:space-between;gap:16px 32px;flex-wrap:wrap;font-size:12px;line-height:20px;color:var(--ink-66)}
.disc{max-width:70ch}.copy{letter-spacing:.12em;text-transform:uppercase}

/* detail pages */
.dh{padding:96px 0 48px}
.back{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-62);text-decoration:none}
.back:hover{color:var(--color-text)}
.kick{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--color-accent-700);margin:48px 0 18px;font-feature-settings:"tnum"}
.dh h1{font-weight:500;font-size:clamp(40px,5vw,64px);line-height:1.05}
.lede{font-size:19px;line-height:32px;max-width:56ch;margin-top:24px;color:color-mix(in srgb,var(--color-text) 84%,transparent)}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;margin-top:28px}
.plinks{display:flex;flex-wrap:wrap;gap:20px}
.plinks a{font-size:12px;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}
.plate{filter:sepia(.22) saturate(.82) contrast(1.05);margin:0;padding:0;overflow:hidden;border:6px solid var(--color-surface);outline:1px solid var(--color-divider)}
.shot{aspect-ratio:16/9}.shot img{width:100%;height:100%;object-fit:cover}
.dsec{padding:72px 0 0}
.dhd{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;padding-bottom:14px;border-bottom:1px solid var(--color-text)}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.step{padding:28px 28px 28px 0;border-bottom:1px solid var(--color-divider)}
.sn{font-family:var(--font-heading);font-size:40px;line-height:1;color:var(--color-accent);font-feature-settings:"tnum"}
.step p{font-size:16px;line-height:27px;margin-top:14px;max-width:32ch}
.mrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px 48px;padding:24px 0;border-bottom:1px solid var(--color-divider)}
.mk{font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding-top:6px;color:var(--color-accent-700)}
.mrow p{grid-column:span 2;font-size:17px;line-height:30px;max-width:62ch;text-align:justify;hyphens:auto}
.next{box-sizing:border-box;width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:56px 0 120px;text-decoration:none;color:var(--color-text)}
.next:hover{color:var(--color-accent-700)}
.nl{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-62)}
.nn{font-family:var(--font-heading);font-size:32px}

/* reader */
.brief-h{padding-bottom:40px}
.rtitle{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap}
.rtitle h1{font-weight:300;font-size:56px;line-height:1.05;max-width:18ch}
.rtitle a{font-size:12px;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}
.rbody{padding:8px 0 120px;display:flex;flex-wrap:wrap;gap:56px;align-items:flex-start}
.frame-f{height:1200px;flex:1 1 560px;min-width:0}
.frame-f iframe{width:100%;height:100%;border:0;display:block;background:var(--color-bg)}
.marg{flex:1 1 260px;max-width:100%;display:flex;flex-direction:column;gap:18px}
.marg p,.note-empty{font-size:14px;line-height:23px;color:var(--ink-72)}
.notes{display:flex;flex-direction:column;max-height:520px;overflow:auto}
.note{padding:14px 0;border-bottom:1px solid var(--color-divider)}
.note div{display:flex;justify-content:space-between;gap:12px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-62)}
.note p{margin-top:8px;color:var(--color-text)}
#n-gate,#n-form{display:flex;flex-direction:column;gap:18px}
#n-gate[hidden],#n-form[hidden]{display:none}
.redeem{display:flex;gap:10px}.redeem .input{flex:1;min-width:0}
.codeerr{font-size:12px;color:var(--color-accent-700)}
.nrow{display:flex;justify-content:space-between;align-items:center;gap:12px}
.linkbtn{all:unset;cursor:pointer;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-62)}
.linkbtn:hover{color:var(--color-text)}
.linkbtn:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
.input{width:100%;min-height:36px;padding:6px 10px;font:inherit;font-size:14px;color:var(--color-text);caret-color:var(--color-accent);background:transparent;border:1px solid var(--color-divider);border-radius:var(--radius-md)}
.input:hover{border-color:color-mix(in srgb,var(--color-text) 45%,transparent)}
.input:focus-visible{border-color:var(--color-accent);outline-offset:0}
textarea.input{min-height:90px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-family:var(--font-heading);font-weight:600;font-size:14px;line-height:1.2;background:transparent;border:1px solid transparent;padding:9.2px 16.5px;border-radius:var(--radius-md)}
.btn-ghost{color:var(--color-accent-700);padding-inline:4.6px}
.btn-ghost:hover{background:color-mix(in srgb,var(--color-accent) 10%,transparent)}
@media (max-width:560px){.rtitle h1{font-size:40px}.frame-f{height:900px}.pname{font-size:30px}}