/* ─────────────────────────────────────────────────────────────
   Choxie Design — one shared system
   Black and white. Inter for everything. Geist Mono for
   labels, numerals and accent words.
   No gradients, no glass, no glow.
   ───────────────────────────────────────────────────────────── */
:root{
  --t:124,143,232;                    /* accent rgb, same blue as the home page */
  --ac:rgb(var(--t));
  --bg:#000;
  --ink:#fff;
  --ink-2:rgba(255,255,255,.64);
  --ink-3:rgba(255,255,255,.58);
  --line:rgba(255,255,255,.16);
  --px:1.25rem;                       /* page gutter */
  --max:1280px;
  --ease:cubic-bezier(.16,1,.3,1);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --pix:'Geist Mono',monospace;
  /* type scale: the only sizes headings are allowed to use */
  --t-display:clamp(2.5rem,5.6vw,4.5rem);
  --t-h2:clamp(1.75rem,3.4vw,2.75rem);
  --t-h3:1.125rem;
}
@media(min-width:768px){:root{--px:2.5rem}}
@media(min-width:1024px){:root{--px:3.5rem}}

*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth;scrollbar-color:#444 #000;scrollbar-width:thin}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:1rem;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
::selection{background:var(--ac);color:#000}
:focus-visible{outline:2px solid var(--ac);outline-offset:4px}

/* ── type ── */
.px{font-family:var(--pix);font-weight:400;letter-spacing:0}
.label{font-family:var(--pix);font-size:.875rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ac)}
.display{font-weight:600;text-transform:uppercase;letter-spacing:-.035em;line-height:1.02;font-size:var(--t-display);text-wrap:balance}
.h2{font-weight:600;text-transform:uppercase;letter-spacing:-.03em;line-height:1.06;font-size:var(--t-h2);text-wrap:balance}
.display .px,.h2 .px,h1 .px,#headline .px{display:inline-block;color:var(--ac);font-family:'Exo 2',sans-serif;font-weight:300;font-size:1.06em;letter-spacing:.09em;line-height:.8}
.lead{font-size:1.0625rem;line-height:1.6;color:var(--ink-2);max-width:34rem;text-wrap:pretty}

/* ── nav (identical on every page) ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:max(1.25rem,env(safe-area-inset-top,0px)) max(var(--px),env(safe-area-inset-right,0px)) 1.25rem max(var(--px),env(safe-area-inset-left,0px))}
.nav::before{content:"";position:absolute;inset:0;background:#000;border-bottom:1px solid var(--line);opacity:0;transition:opacity .3s;pointer-events:none;z-index:-1}
.nav.scrolled::before{opacity:1}
.nav-links{display:flex;align-items:center;gap:1.5rem;font-family:var(--pix);font-size:.9rem;letter-spacing:.1em}
@media(min-width:768px){.nav-links{gap:2.25rem}}
.nav-links a{position:relative;padding:.4rem 0;min-height:44px;display:inline-flex;align-items:center;transition:opacity .2s}
.nav-links a:hover{opacity:.7}
.nav-links a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:7px;height:1px;background:var(--ac)}
.nav-links a.cta-link{padding:.5rem 1.1rem;min-height:40px;border:1px solid var(--ac);color:var(--ac);transition:background .2s,color .2s,opacity .2s}
.nav-links a.cta-link:hover{background:var(--ac);color:#000;opacity:1}
.nav-links a.cta-link::after{display:none}
@media(max-width:767px){.nav-links .hide-sm{display:none}}
@media(max-width:360px){
  .nav-links{gap:.85rem;font-size:.825rem}
  .nav-links a.cta-link{padding:.4rem .75rem;min-height:36px}
}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:1rem;padding:.95rem 1.4rem;min-height:44px;border:1px solid #fff;font-size:.8125rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;transition:background-color .25s var(--ease),color .25s var(--ease)}
.btn svg{flex:none;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn--solid{background:var(--ac);border-color:var(--ac);color:#000}
.btn--solid:hover{background:#000;color:var(--ac)}
.btn--line:hover{background:var(--ac);border-color:var(--ac);color:#000}
.btn--ink{background:#000;color:#fff;border-color:#000}
.btn--ink:hover{background:transparent;color:#000}

/* ── footer ── */
.site-foot{border-top:1px solid var(--line);padding:clamp(5rem,11vw,9rem) 0 0;color:var(--ink-2);font-size:.875rem;line-height:1.5}
.site-foot a{transition:color .25s}
.sf-in{max-width:var(--max);margin:0 auto;padding:0 var(--px)}
.sf-k{display:block;font-size:.6875rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:1.5rem}
.sf-mail{display:inline-flex;align-items:baseline;gap:.5em;color:var(--ink);font-weight:300;letter-spacing:-.045em;line-height:1.05;font-size:clamp(.9rem,calc((100vw - 3rem)/12.5),4.75rem);max-width:100%;overflow-wrap:anywhere;white-space:nowrap}
.sf-mail svg{flex:none;width:.5em;height:.5em;transition:transform .5s var(--ease)}
.sf-mail:hover{color:var(--ac)}
.sf-mail:hover svg{transform:translate(.08em,-.08em)}
.sf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:3rem 2rem;margin-top:clamp(4rem,9vw,8rem)}
@media(min-width:768px){.sf-grid{grid-template-columns:repeat(4,1fr);gap:2rem}}
.sf-grid .sf-k{margin-bottom:1.1rem}
.sf-grid ul{display:grid;gap:.5rem}
.sf-grid a{color:var(--ink)}
.sf-grid a:hover{color:var(--ac)}
.sf-grid p{max-width:15rem}
.sf-open{display:inline-flex;align-items:center;gap:.6rem;color:var(--ink)}
.sf-open i{width:6px;height:6px;border-radius:50%;background:var(--ac);display:block}
.sf-bot{max-width:var(--max);margin:clamp(4rem,9vw,7rem) auto 0;padding:1.25rem var(--px) max(1.75rem,env(safe-area-inset-bottom,0px));display:flex;align-items:center;justify-content:space-between;gap:.5rem 1.5rem;flex-wrap:wrap;font-size:.75rem;color:var(--ink-3);position:relative}
.sf-bot::before{content:"";position:absolute;top:0;left:var(--px);right:var(--px);border-top:1px solid var(--line)}
.sf-bot svg{display:block}
.sf-bot a:hover{color:var(--ink)}

/* ── reveal: one easing, one distance ── */
.rv{opacity:0;transform:translateY(20px);transition:opacity .85s var(--ease),transform .85s var(--ease);transition-delay:var(--d,0ms);will-change:opacity,transform}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none;transition-delay:0s!important}html{scroll-behavior:auto}}

/* ── footer reveal cascade ── */
.site-foot .rv{opacity:0;transform:translateY(22px);transition:opacity .85s var(--ease),transform .85s var(--ease);transition-delay:var(--d,0ms);will-change:opacity,transform}
.site-foot .rv.in{opacity:1;transform:none}

/* ── mobile touch + legibility pass (phones + tablets) ── */
@media(max-width:820px){
  /* nav logo: 28px mark, 44px hit area */
  .nav > a:first-child{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin:-8px 0 -8px -8px}
  /* footer: links get a 44px target without changing the look */
  .sf-grid ul{gap:0}
  .sf-grid a{display:inline-flex;align-items:center;min-height:44px}
  .sf-mail{min-height:44px;align-items:center}
  .sf-bot a{display:inline-flex;align-items:center;min-height:44px}
  .sf-k{font-size:.75rem}
}