/* RB Empire LLC: shared styles (v2, 2026-11-04) */
:root{
  /* colour: one ground, one ink, one accent (RB violet from the logo) */
  --ground:#F3F3F0;--ground-2:#E9E9E4;--white:#FFFFFF;
  --ink:#0E0E13;--ink-soft:#45454F;
  --night:#0B0B10;--night-2:#17171F;--night-3:#22222C;--night-ink:#F2F1EE;--night-soft:#B4B3BE;
  --accent:#3A2D9C;--accent-ink:#FFFFFF;--accent-on-night:#8F82F5;
  /* type: the logo's serif for display, Geist for reading */
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --sans:'Geist',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --t-display:clamp(2.6rem,6.6vw,6.4rem);
  --t-head:clamp(2.2rem,4.6vw,4.2rem);
  --t-lead:clamp(1.25rem,1rem + .8vw,1.75rem);
  --t-body:1.0625rem;
  --t-small:.9375rem;
  /* frame */
  --gutter:clamp(20px,4vw,56px);--max:1280px;--section:clamp(112px,13vw,200px);
  --r:4px;
  --ease:cubic-bezier(.23,1,.32,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:var(--t-body);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent-on-night);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:8px;z-index:99;background:var(--ink);color:var(--white);padding:10px 16px}
.skip:focus{left:8px}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(16px,2vw,32px)}

/* type steps */
.t-display{font-family:var(--serif);font-weight:400;font-size:var(--t-display);line-height:.98;letter-spacing:-.03em}
.t-head{font-family:var(--serif);font-weight:400;font-size:var(--t-head);line-height:1;letter-spacing:-.025em}
.t-lead{font-size:var(--t-lead);line-height:1.4;letter-spacing:-.01em}
.t-small{font-size:var(--t-small);line-height:1.5}
.soft{color:var(--ink-soft)}

/* buttons: fully round, flat, one fill */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;border:0;background:var(--accent);color:var(--accent-ink);font-weight:600;font-size:1rem;text-decoration:none;transition:transform 280ms var(--ease),background-color 240ms var(--ease)}
.btn svg{width:18px;height:18px;transition:transform 280ms var(--ease)}
.btn--ink{background:var(--ink);color:var(--white)}
.btn--light{background:var(--night-ink);color:var(--night)}
.link{font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:5px;transition:text-decoration-color 240ms var(--ease),color 240ms var(--ease)}
@media (hover:hover) and (pointer:fine){
  .btn:hover{transform:translateY(-2px)}
  .btn:hover svg{transform:translateX(3px)}
  .btn:not(.btn--ink):not(.btn--light):hover{background:#2E2380}
  .btn--ink:hover{background:#26262F}
  .btn--light:hover{background:#FFFFFF}
  .link:hover{text-decoration-color:var(--accent-on-night)}
}
.btn:active{transform:scale(.97)}

/* nav: a plain bar */
.nav{position:fixed;inset:0 0 auto;z-index:50;height:var(--nav-h);display:flex;align-items:center;color:var(--night-ink);transition:background-color 320ms var(--ease),color 320ms var(--ease)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav__logo{display:block;width:clamp(150px,16vw,184px);flex:none}
.nav__logo img{width:100%}
.nav__logo .dark{display:none}
.nav ul{display:flex;gap:clamp(18px,2.4vw,34px);list-style:none}
.nav ul a{text-decoration:none;font-size:.9375rem;font-weight:500;padding:8px 0;opacity:.86;transition:opacity 200ms}
.nav ul a:hover,.nav ul a[aria-current]{opacity:1;text-decoration:underline;text-underline-offset:6px}
.nav .btn{min-height:44px;padding:0 20px;font-size:.9375rem}
.nav--solid{background:var(--ground);color:var(--ink)}
.nav--solid .nav__logo .light{display:none}.nav--solid .nav__logo .dark{display:block}
.nav--solid .btn--light{background:var(--ink);color:var(--white)}
.nav__menu{display:none;width:48px;height:48px;border:0;background:transparent;color:inherit;border-radius:50%}
.nav__menu svg{width:26px;height:26px;margin:auto}
@media (max-width:900px){
  .nav ul,.nav .btn{display:none}
  .nav__menu{display:grid;place-items:center}
  .nav--open{background:var(--night);color:var(--night-ink)}
  .nav--open .nav__logo .light{display:block}.nav--open .nav__logo .dark{display:none}
}
.drawer{position:fixed;inset:var(--nav-h) 0 0;z-index:49;background:var(--night);color:var(--night-ink);padding:16px var(--gutter) 40px;display:none;flex-direction:column}
.drawer.open{display:flex}
.drawer a{font-family:var(--serif);font-size:2.4rem;line-height:1.1;text-decoration:none;padding:12px 0}
.drawer .btn{margin-top:28px;padding:0 26px;font-family:var(--sans);font-size:1rem;line-height:1;align-self:flex-start}

/* sections */
.section{padding:var(--section) 0}
.section--white{background:var(--white)}
.section--night{background:var(--night);color:var(--night-ink)}
.section--night .soft{color:var(--night-soft)}

/* entrances: parts of a section rise one after another */
.rv{opacity:0;transform:translateY(24px);transition:opacity 900ms var(--ease),transform 900ms var(--ease);transition-delay:calc(var(--i,0) * 80ms)}
.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}

/* footer: invitation over the cropped name */
.foot{background:var(--night);color:var(--night-ink);overflow:hidden;padding-top:clamp(96px,11vw,160px)}
.foot__top{row-gap:40px;align-items:start}
.foot__invite{grid-column:1 / span 7}
.foot__invite h2{font-family:var(--serif);font-weight:400;font-size:var(--t-head);line-height:1;letter-spacing:-.025em}
.foot__invite .btn{margin-top:32px}
.foot__links{grid-column:9 / span 4;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.foot__links h3{font-size:var(--t-small);font-weight:600;color:var(--night-soft)}
.foot__links ul{list-style:none;display:grid;gap:10px;margin-top:12px}
.foot__links a{text-decoration:none;transition:color 200ms}
.foot__links a:hover{color:var(--accent-on-night);text-decoration:underline;text-underline-offset:4px}
.foot__legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 28px;margin-top:clamp(72px,9vw,128px);font-size:var(--t-small);color:var(--night-soft)}
.foot__legal p{max-width:62ch}
.foot__name{font-family:var(--serif);font-weight:400;font-size:clamp(7rem,27vw,26rem);line-height:.8;letter-spacing:-.04em;white-space:nowrap;color:#6B6A76;transform:translateY(24%);margin-top:16px;padding-left:calc(var(--gutter) - .04em);user-select:none}
@media (max-width:860px){
  .foot__invite,.foot__links{grid-column:1 / -1}
  .foot__name{font-size:34vw}
}

/* legal and policy pages */
.page-hero{background:var(--night);color:var(--night-ink);padding:calc(var(--nav-h) + clamp(64px,9vw,128px)) 0 clamp(56px,7vw,96px)}
.page-hero h1{font-family:var(--serif);font-weight:400;font-size:var(--t-display);line-height:.98;letter-spacing:-.03em}
.page-hero p{color:var(--night-soft);margin-top:20px;max-width:60ch}
.page-hero .t-lead{color:var(--night-ink)}
.doc{padding-block:clamp(64px,8vw,112px) var(--section)}
.doc__in{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(16px,2vw,32px)}
.doc__toc{grid-column:1 / span 3;position:sticky;top:calc(var(--nav-h) + 32px);align-self:start;display:grid;gap:10px;font-size:var(--t-small)}
.doc .doc__toc a{text-decoration:none;color:var(--ink-soft)}
.doc .doc__toc a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.doc__body{grid-column:5 / span 8}
.doc__body p,.doc__body li,.doc__body h2,.doc__body h3{max-width:66ch}
.doc__fig{margin-top:28px;border-radius:var(--r);overflow:hidden}
.doc__fig img{width:100%}
.doc__fig figcaption{margin-top:10px;font-size:var(--t-small);color:var(--ink-soft)}
.doc section{margin-top:64px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.doc section:first-child{margin-top:0}
.doc h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.9rem,3.2vw,2.6rem);line-height:1.05;letter-spacing:-.02em}
.doc h3{font-size:1.125rem;font-weight:600;margin-top:28px}
.doc p,.doc li{line-height:1.7}
.doc p{margin-top:14px}
.doc ul,.doc ol{margin:14px 0 0 1.25em;display:grid;gap:10px}
.doc a{color:var(--accent);text-underline-offset:3px}
.doc .callout{margin-top:22px;padding:24px 26px;background:var(--white);border-radius:var(--r)}
.doc .callout b{display:block;font-size:1.125rem;margin-bottom:4px}
.doc table{width:100%;border-collapse:collapse;margin-top:20px;font-size:1rem}
.doc th,.doc td{text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid #D6D6CF;vertical-align:top}
.doc th{font-weight:600;width:38%}
.doc .updated{font-size:var(--t-small);color:var(--ink-soft)}
@media (max-width:860px){
  .doc__toc{display:none}
  .doc__body{grid-column:1 / -1}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}
  .rv{opacity:1;transform:none}
}