/* Shared shell for every Ferra chrome page: tokens, nav, waitlist sheet, footer, film helpers. Owned by the lead session. */
:root{color-scheme:light only;--bg:#eef0f4;--bg2:#e4e7ed;--paper:#f6f7f9;--ink:#151412;--muted:#5d5a54;--line:#c9ced8;--accent:#4a6b8a;
 --pad:max(16px,4vw);--ease:cubic-bezier(.2,.7,.2,1);--h-hero:clamp(46px,7vw,104px);--h-sec:clamp(36px,4.8vw,72px);--h-sub:clamp(22px,1.9vw,28px);--sans:"Inter Tight",system-ui,-apple-system,sans-serif;--mono:ui-monospace,Menlo,monospace}
html,body{margin:0;background:var(--bg);transition:none;color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip}
*,*::before,*::after{box-sizing:border-box}
img,video,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-weight:500;margin:0;text-wrap:balance}
p{text-wrap:pretty}
.wrap{padding-left:max(16px,env(safe-area-inset-left,0px),var(--pad));padding-right:max(16px,env(safe-area-inset-right,0px),var(--pad))}

/* nav: fixed, glassy once the page scrolls, waitlist button pinned to the far right */
.nav{position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:clamp(16px,2.4vw,36px);height:72px;
 padding:env(safe-area-inset-top,0px) max(16px,env(safe-area-inset-right,0px),var(--pad)) 0 max(16px,env(safe-area-inset-left,0px),var(--pad));
 transition:background .4s var(--ease),box-shadow .4s var(--ease),transform .5s var(--ease)}
.nav.solid{background:rgba(var(--page-rgb,238,240,244),.84);-webkit-backdrop-filter:saturate(1.4) blur(18px);backdrop-filter:saturate(1.4) blur(18px);box-shadow:0 1px 0 rgba(21,20,18,.08)}
.nav .brand{font-weight:600;font-size:21px;letter-spacing:-.04em;text-decoration:none;margin-right:auto}
.nav .links{display:flex;gap:clamp(14px,2vw,30px)}
.nav .links a{font-size:15px;text-decoration:none;color:var(--muted);transition:color .25s;position:relative;padding:6px 0}
.nav .links a:hover,.nav .links a[aria-current=page]{color:var(--ink)}
.nav .links a[aria-current=page]{font-weight:500}
.wl-btn{appearance:none;border:0;cursor:pointer;font:500 15px/1 var(--sans);background:var(--ink);color:#fff;padding:13px 22px;border-radius:999px;
 white-space:nowrap;transition:transform .35s var(--ease),background .3s;min-height:44px}
.wl-btn:hover{transform:translateY(-1px);background:#2c2a26}
.wl-btn:focus-visible,.nav a:focus-visible,.menu-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.menu-btn{display:none;appearance:none;border:0;background:none;width:44px;height:44px;cursor:pointer;position:relative;color:var(--ink)}
.menu-btn i{position:absolute;left:12px;right:12px;height:1.5px;background:currentColor;transition:transform .35s var(--ease),opacity .2s}
.menu-btn i:nth-child(1){top:17px}.menu-btn i:nth-child(2){top:25px}
.nav.open .menu-btn i:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav.open .menu-btn i:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
@media(max-width:900px){
 .nav{gap:8px}
 .menu-btn{display:block;order:3}
 .wl-btn{order:2;padding:12px 18px;font-size:14px}
 .nav .links{position:fixed;inset:72px 0 auto;flex-direction:column;gap:0;background:var(--bg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  padding:8px max(16px,var(--pad)) 24px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),transform .4s var(--ease),visibility .3s;box-shadow:0 1px 0 rgba(21,20,18,.08)}
 .nav.open .links{opacity:1;transform:none;visibility:visible}
 .nav .links a{font-size:24px;letter-spacing:-.03em;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line)}
 .nav.open{background:var(--bg)}
 .menu-scrim{position:fixed;inset:0;z-index:49;background:rgba(21,20,18,.3);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s}
 html.menu-on .menu-scrim{opacity:1;visibility:visible}
 html.menu-on{overflow:hidden}
}
@media(max-width:380px){.nav .brand{font-size:19px}.wl-btn{padding:12px 14px}}

/* waitlist sheet */
.sheet-scrim{position:fixed;inset:0;z-index:90;background:rgba(21,20,18,.3);opacity:0;visibility:hidden;transition:opacity .42s var(--ease),visibility .42s}
.sheet{position:fixed;top:0;right:0;bottom:0;z-index:91;width:min(520px,100vw);background:var(--paper);transform:translateX(100%);visibility:hidden;
 transition:transform .42s var(--ease),visibility .42s;display:flex;flex-direction:column;overflow:auto;overscroll-behavior:contain;
 padding:max(24px,env(safe-area-inset-top,0px)) max(24px,env(safe-area-inset-right,0px)) max(28px,env(safe-area-inset-bottom,0px)) 28px;box-shadow:-1px 0 0 rgba(21,20,18,.08)}
html.sheet-on .sheet-scrim{opacity:1;visibility:visible}
html.sheet-on .sheet{transform:none;visibility:visible}
html.sheet-on{overflow:hidden}
.sheet .x{align-self:flex-end;appearance:none;border:0;background:none;width:44px;height:44px;cursor:pointer;position:relative;margin:-6px -10px 0 0;color:var(--ink)}
.sheet .x::before,.sheet .x::after{content:"";position:absolute;left:12px;right:12px;top:21px;height:1.5px;background:currentColor;transform:rotate(45deg)}
.sheet .x::after{transform:rotate(-45deg)}
.sheet .film{position:relative;margin:4px -28px 28px;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.sheet .film video{width:100%;height:100%;object-fit:cover}
.sheet h2{font-size:clamp(34px,4vw,46px);letter-spacing:-.045em;line-height:.98;margin-bottom:12px}
.sheet p.lede{color:var(--muted);font-size:16px;line-height:1.5;margin:0 0 28px;max-width:38ch}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;color:var(--muted)}
.field input,.field select{font:16px/1.2 var(--sans);color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 16px;min-height:52px;width:100%;transition:border-color .25s,box-shadow .25s;appearance:none}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 22px) 23px,calc(100% - 17px) 23px;background-size:5px 5px;background-repeat:no-repeat}
.field input:focus,.field select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(74,107,138,.18)}
.field input[aria-invalid=true],.field select[aria-invalid=true]{border-color:#9a3b2e;box-shadow:0 0 0 3px rgba(154,59,46,.12)}
.field .err{font-size:13px;color:#9a3b2e;min-height:0}
.field .err:empty{display:none}
.sheet .submit{margin-top:8px;width:100%;min-height:56px;font-size:16px;position:relative;overflow:hidden}
.sheet .fine{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.5}
.sheet .done{display:none;text-align:left}
.sheet.sent form{display:none}
.sheet.sent .done{display:block;animation:rise .6s var(--ease) both}
.sheet .done svg{width:56px;height:56px;margin-bottom:20px}
.sheet .done svg path{stroke:var(--ink);stroke-width:2;fill:none;stroke-dasharray:60;stroke-dashoffset:60;animation:draw .7s .15s var(--ease) forwards}
.sheet .done svg circle{stroke:var(--line);fill:none}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media(max-width:560px){.sheet{width:100vw;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}.sheet .film{margin-left:-20px;margin-right:-20px}}

/* film layers: a video sits on a poster of its own first frame so loading never shows a blank */
.film-layer{position:absolute;inset:0;overflow:hidden;background:var(--bg) center/cover no-repeat}
.film-layer video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

/* footer */
.foot{border-top:1px solid var(--line);padding-block:56px max(40px,env(safe-area-inset-bottom,0px));display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:32px;font-size:14px;color:var(--muted)}
.foot strong{display:block;font-size:28px;letter-spacing:-.045em;color:var(--ink);font-weight:600;margin-bottom:10px}
.foot a{text-decoration:none;display:block;padding:5px 0}
.foot a:hover{color:var(--ink)}
.foot h4{font-size:13px;font-weight:500;color:var(--ink);margin:0 0 8px}
@media(max-width:760px){.foot{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.foot>div:first-child{grid-column:1/-1}}

/* shared type and buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--ink);color:#fff;text-decoration:none;font-weight:500;font-size:16px;
 padding:16px 28px;border-radius:999px;min-height:52px;border:0;cursor:pointer;font-family:var(--sans);transition:transform .35s var(--ease),background .3s}
.btn:hover{transform:translateY(-2px);background:#2c2a26}
.link{font-weight:500;text-decoration:none;font-size:16px;display:inline-flex;align-items:center;gap:8px;min-height:44px}
.link span{transition:transform .3s var(--ease)}
.link:hover span{transform:translateX(4px)}
.metal{background:linear-gradient(100deg,transparent 44%,rgba(255,255,255,.42) 50%,transparent 56%) var(--sh,100%) 0/300% 100% no-repeat,linear-gradient(180deg,#1b1a18,#77736a);
 -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.illus{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 10px;display:inline-block}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.sheet,.sheet-scrim,.nav .links{transition:none}}

.sheet .field[hidden]{display:none}