/* ===========================================================================
   ARNS | Agntic Radio Network Systems: Project PACE single-screen landing page.
   Loads after arns.css (reset, focus ring, honeypot). One clean sans, white on
   black, gold only on the waitlist button.
   =========================================================================== */

:root{
  --bg:#000;
  --ink:#f5f5f7;
  --ink-2:#a1a1a6;
  --ink-3:#6e6e73;
  --line:rgba(255,255,255,.12);
  --gold:#E9E0A6;
  --gold-hi:#f3ecc4;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --gutter:max(22px,4vw);
}

html{background:var(--bg)}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.47;letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit}
a:hover{color:var(--ink)}
::selection{background:var(--gold);color:#000}
.wrap{max-width:980px;margin:0 auto;padding:0 var(--gutter)}
:focus-visible{outline:2px solid var(--gold) !important;outline-offset:3px !important}

/* --- waitlist modal (behaviour from arns.js) -------------------------------- */
.modal-bg{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:flex;align-items:center;justify-content:center;padding:16px}
.modal{position:relative;width:min(460px,100%);max-height:92vh;overflow:auto;background:#161617;border-radius:22px;
  box-shadow:0 30px 80px rgba(0,0,0,.6);animation:modal-in .5s var(--ease)}
@keyframes modal-in{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal__x{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;border:0;background:#2a2a2c;color:var(--ink-2);
  font-size:20px;line-height:1;cursor:pointer}
.modal__x:hover{color:var(--ink)}
.form{padding:32px 28px 28px;display:flex;flex-direction:column;gap:14px}
.form h2,.modal__done h2{margin:0;font-size:28px;font-weight:700;letter-spacing:-.03em}
.form__intro{margin:-4px 0 6px;font-size:15px;color:var(--ink-2)}
.form__intro a{color:var(--ink-2)}
.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-2)}
.field em{font-style:normal;color:var(--ink-3)}
.field input,.field textarea{font:inherit;font-size:17px;color:var(--ink);background:#000;border:1px solid #38383b;border-radius:12px;
  padding:12px 14px;width:100%;resize:vertical;transition:border-color .2s}
.field input:focus,.field textarea:focus{border-color:var(--gold);outline:none}
.modal__done{padding:48px 28px;text-align:center}
.modal__done p{margin:10px 0 0;color:var(--ink-2)}
.arns-error{font-family:var(--sans);font-size:14px;letter-spacing:0;line-height:1.45;color:#ff8a80}
.arns-error a{color:var(--ink)}



/* ===========================================================================
   One screen, no scroll: nav, hero (copy + animated render), one-line footer.
   =========================================================================== */
html,body{height:100%}
.page{position:relative;height:100vh;height:100svh;display:flex;flex-direction:column;overflow:hidden;isolation:isolate}

/* --- background photos: full-bleed, slow crossfade + zoom, graded dark ------
   Owner (2026-09-30): photos were too prominent and too sharp. They are now
   out-of-focus atmosphere (6px blur, darker) so the radio and copy lead. */
.bg{position:absolute;inset:0;z-index:-1;background:#000;overflow:hidden}
.bg img{position:absolute;inset:-2%;width:104%;height:104%;max-width:none;object-fit:cover;opacity:0;
  filter:grayscale(1) contrast(1.05) brightness(.62) blur(6px);transform:scale(1.03);will-change:opacity,transform;
  animation:bg-fade 48s linear infinite,bg-zoom 48s linear infinite}
/* six photos, 8 s each, long overlapping fades */
.bg img:nth-child(2){animation-delay:8s,8s}
.bg img:nth-child(3){animation-delay:16s,16s}
.bg img:nth-child(4){animation-delay:24s,24s}
.bg img:nth-child(5){animation-delay:32s,32s}
.bg img:nth-child(6){animation-delay:40s,40s}
@keyframes bg-fade{0%{opacity:0}5%{opacity:1}16.7%{opacity:1}21.7%{opacity:0}100%{opacity:0}}
@keyframes bg-zoom{0%{transform:scale(1.03)}21.7%{transform:scale(1.1)}100%{transform:scale(1.1)}}
/* night-blue grade, darkening, vignette, grain */
.bg::before{content:"";position:absolute;inset:0;z-index:1;background:#1f3c63;mix-blend-mode:color;opacity:.6}
.bg::after{content:"";position:absolute;inset:0;z-index:2;
  background:
    radial-gradient(ellipse 75% 70% at 65% 50%,rgba(0,0,0,.1) 0%,rgba(0,0,0,.55) 65%,rgba(0,0,0,.9) 100%),
    linear-gradient(90deg,rgba(0,0,0,.7) 0%,rgba(0,0,0,.2) 50%,rgba(0,0,0,.2) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.1'/%3E%3C/svg%3E")}

/* --- nav -------------------------------------------------------------------- */
.nav{flex:0 0 auto;position:relative;z-index:5}
.nav__in{max-width:1180px;margin:0 auto;padding:0 var(--gutter);height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;min-width:0}
.brand__mark{font-weight:700;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.brand__name{font-size:12px;color:var(--ink-2);white-space:nowrap}
.nav__cta{flex:0 0 auto;font:inherit;font-size:13px;font-weight:500;color:var(--ink);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:980px;padding:6px 14px;cursor:pointer;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:background .3s var(--ease)}
.nav__cta:hover{background:rgba(255,255,255,.18)}

/* --- hero ------------------------------------------------------------------- */
.hero{flex:1 1 auto;min-height:0;width:100%;max-width:1180px;margin:0 auto;padding:0 var(--gutter);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:clamp(16px,3vw,48px)}
.hero__copy{position:relative;z-index:2}
.hero__eyebrow{margin:0;font-size:clamp(17px,1.5vw,21px);font-weight:600;color:var(--ink-2)}
.hero__title{margin:4px 0 0;font-size:clamp(52px,7.4vw,112px);line-height:1;font-weight:700;letter-spacing:-.045em}
.hero__tag{margin:clamp(10px,1.4vw,16px) 0 0;max-width:20ch;font-size:clamp(20px,2.2vw,30px);line-height:1.18;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
.hero__layers{margin:clamp(12px,1.6vh,18px) 0 0;font-size:clamp(13px,1.05vw,15px);color:var(--ink-2);letter-spacing:.01em}
.hero__layers b{font-weight:600;color:var(--ink)}
.hero__ctas{margin-top:clamp(20px,3.4vh,32px)}
.pill{font:inherit;font-size:17px;font-weight:500;color:#000;background:var(--gold);border:0;border-radius:980px;padding:12px 24px;cursor:pointer;
  transition:background .3s var(--ease),transform .3s var(--ease)}
.pill:hover{background:var(--gold-hi)}
.pill:active{transform:scale(.98)}
.pill[disabled]{opacity:.6;cursor:progress}
.pill--block{width:100%;margin-top:6px}

/* the render: a still first, then an auto-playing slow turn on a canvas */
.render{position:relative;margin:0;height:100%;max-height:calc(100svh - 56px - 44px);display:flex;align-items:center;justify-content:center;min-height:0}
.render__box{position:relative;height:100%;max-height:820px;aspect-ratio:4/5;max-width:100%}
.render__img,.render__canvas{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:contain;
  -webkit-mask-image:linear-gradient(180deg,#000 74%,transparent 97%);mask-image:linear-gradient(180deg,#000 74%,transparent 97%)}
.render__canvas{opacity:0;transition:opacity .6s linear}
.render.is-live .render__canvas{opacity:1}
.render__img{transition:opacity .6s linear}
.render.is-live .render__img{opacity:0}   /* frames are transparent: never show the still under the canvas */
.render__cap{position:absolute;left:0;right:0;bottom:3%;text-align:center;font-size:11px;color:var(--ink-3)}

/* entrance */
.rise{opacity:0;transform:translateY(24px);animation:rise 1.4s var(--ease) forwards}
.rise--2{animation-delay:.08s}.rise--3{animation-delay:.16s}.rise--4{animation-delay:.24s}.rise--5{animation-delay:.32s}
.rise--render{transform:translateY(40px) scale(.97);animation-duration:1.8s;animation-delay:.25s}
@keyframes rise{to{opacity:1;transform:none}}

/* --- footer line ---------------------------------------------------------------- */
.foot{flex:0 0 auto;position:relative;z-index:5}
.foot__in{max-width:1180px;margin:0 auto;padding:0 var(--gutter);min-height:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 18px;
  font-size:12px;color:var(--ink-3)}
.foot__in a,.fcc summary{color:var(--ink-2);text-decoration:none;cursor:pointer}
.foot__in a:hover,.fcc summary:hover{color:var(--ink)}
.foot__links{display:flex;gap:18px;align-items:center}
.fcc summary{list-style:none}
.fcc summary::-webkit-details-marker{display:none}
.fcc summary::after{content:" ›";display:inline-block;transition:transform .3s var(--ease)}
.fcc[open] summary::after{transform:rotate(-90deg)}
.fcc__text{position:absolute;right:var(--gutter);bottom:calc(100% + 8px);width:min(520px,calc(100vw - 2 * var(--gutter)));margin:0;padding:14px 16px;
  font-size:12.5px;line-height:1.5;color:var(--ink-2);background:rgba(22,22,23,.92);border:1px solid rgba(255,255,255,.12);border-radius:14px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}

/* --- large screens: scale the stage with the viewport ---------------------------- */
@media (min-width:1800px) and (min-height:1000px){
  .nav__in,.foot__in,.hero{max-width:min(1800px,78vw)}
  .hero__title{font-size:clamp(112px,6.4vw,170px)}
  .hero__tag{font-size:clamp(30px,1.8vw,44px)}
  .hero__eyebrow{font-size:24px}
  .hero__layers{font-size:18px}
  .pill{font-size:19px;padding:14px 28px}
  .render__box{max-height:min(1180px,86svh)}
  .brand__mark{font-size:22px}.brand__name{font-size:14px}.foot__in{font-size:13px}
}

/* --- phones (portrait): copy on top, radio below ------------------------------- */
@media (max-width:760px), (max-aspect-ratio:4/5){
  .hero{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);align-items:stretch;text-align:center;gap:6px;padding-top:6px}
  .hero__copy{display:flex;flex-direction:column;align-items:center;width:100%}
  .hero__title{font-size:clamp(44px,13vw,72px)}
  .hero__layers{max-width:100%}
  .hero__tag{margin-left:auto;margin-right:auto}
  .render{max-height:none}
  .bg::after{background:
    radial-gradient(ellipse 90% 60% at 50% 62%,rgba(0,0,0,.35) 0%,rgba(0,0,0,.82) 70%,#000 100%),
    linear-gradient(180deg,rgba(0,0,0,.7) 0%,rgba(0,0,0,.35) 45%,rgba(0,0,0,.6) 100%)}
  .foot__in{justify-content:center;padding-bottom:6px}
  .fcc__text{left:50%;right:auto;transform:translateX(-50%)}
}
@media (max-width:420px){
  .brand{flex-direction:column;align-items:flex-start;gap:1px}
  .brand__mark{font-size:17px;line-height:1.1}
  .brand__name{font-size:10.5px;line-height:1.2}
  .hero__layers{font-size:12px}
  .pill{font-size:16px;padding:11px 22px}
}

/* --- very short screens (landscape phones): allow scrolling instead of clipping --- */
@media (max-height:600px){
  .page{height:auto;min-height:100svh;overflow:visible}
  .hero{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);grid-template-rows:none;text-align:left;padding-top:8px;padding-bottom:8px}
  .hero__copy{align-items:flex-start}
  .hero__tag{margin-left:0}
  .render{height:auto;max-height:none}
  .render__box{height:min(88svh,520px)}
  .bg{position:fixed}
}

/* --- reduced motion: one still photo, still render, no entrance ----------------- */
@media (prefers-reduced-motion:reduce){
  .bg img{animation:none;transform:none}
  .bg img:first-child{opacity:1}
  .rise,.rise--render{opacity:1;transform:none;animation:none}
  .render__canvas{display:none}
  .modal{animation:none}
}


/* ===========================================================================
   Hero type, v6: titanium title with a mask-reveal entrance, bracketed eyebrow,
   lighter gradient tagline, and P/A/C/E chips that light in sequence.
   =========================================================================== */
.eyebrow{margin:0;display:flex;align-items:baseline;flex-wrap:wrap;gap:0 10px;font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--ink)}
.eyebrow__mark{color:var(--gold);font-weight:300;font-size:1.35em;line-height:1;transform:translateY(.06em);letter-spacing:0}
.eyebrow__mark:first-child{margin-right:-4px}
.eyebrow__mark:nth-child(2){margin-left:-4px}
.eyebrow__name{font-weight:500;letter-spacing:.14em;color:var(--ink-2)}

.title{margin:clamp(10px,1.4vh,16px) 0 0;font-size:clamp(56px,7.4vw,116px);line-height:.96;font-weight:700;letter-spacing:-.045em}
.title__line{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.title__word{display:inline-block;transform:translateY(105%);animation:mask-up 1.3s var(--ease) forwards;
  background:linear-gradient(176deg,#ffffff 0%,#e6e8ec 30%,#a9adb4 58%,#eef0f3 78%,#b8bcc3 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.title__word--pace{animation-delay:.12s;
  background:linear-gradient(176deg,#fbf8ea 0%,#ece8dc 32%,#b9b3a0 58%,#f3ecc4 80%,#c8b57a 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-stroke:.6px rgba(233,224,166,.38)}   /* faint gold edge, echoing the brackets */
@keyframes mask-up{to{transform:none}}

.tag{margin:clamp(12px,1.6vw,18px) 0 0;max-width:20ch;font-size:clamp(20px,2.1vw,30px);line-height:1.2;font-weight:400;letter-spacing:-.018em;text-wrap:balance;
  background:linear-gradient(90deg,#f5f5f7 0%,#c7c9ce 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

.chips{list-style:none;margin:clamp(16px,2.2vh,22px) 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 11px 6px 9px;border-radius:980px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font-size:12.5px;letter-spacing:.01em;color:var(--ink-3);transition:color .6s var(--ease),border-color .6s var(--ease),background .6s var(--ease)}
.chip b{font-weight:700;color:var(--ink-2);margin-right:-3px;transition:color .6s var(--ease)}
.chip__dot{width:6px;height:6px;border-radius:50%;background:#3a3b3f;transition:background .6s var(--ease),box-shadow .6s var(--ease)}
.chip.is-on{color:var(--ink);border-color:rgba(233,224,166,.42);background:rgba(233,224,166,.08)}
.chip.is-on b{color:var(--gold)}
.chip.is-on .chip__dot{background:#f4eed2;box-shadow:0 0 0 3px rgba(233,224,166,.14),0 0 10px rgba(243,236,196,.8)}

/* option B: faint thin-line [ ] frame around the copy block */
.hero__copy--framed{padding:clamp(18px,2.4vw,30px) clamp(20px,2.6vw,34px)}
.hero__copy--framed::before,.hero__copy--framed::after{content:"";position:absolute;top:0;bottom:0;width:18px;border:1px solid rgba(233,224,166,.28);pointer-events:none}
.hero__copy--framed::before{left:0;border-right:0}
.hero__copy--framed::after{right:0;border-left:0}

@media (min-width:1800px) and (min-height:1000px){
  .title{font-size:clamp(116px,6.4vw,172px)}
  .tag{font-size:clamp(30px,1.8vw,44px)}
  .eyebrow{font-size:14px}
  .chip{font-size:15px;padding:8px 14px 8px 11px}
}
@media (max-width:760px), (max-aspect-ratio:4/5){
  .eyebrow{justify-content:center}
  .title{font-size:clamp(46px,13.5vw,74px)}
  .title__line{text-align:center}
  .tag{margin-left:auto;margin-right:auto}
  .chips{justify-content:center}
}
@media (max-width:420px){
  .eyebrow{font-size:10.5px;letter-spacing:.14em}
  .eyebrow__name{letter-spacing:.1em}
  .chip{font-size:10px;padding:4px 7px 4px 6px;gap:4px;letter-spacing:0}
  .chip__dot{width:5px;height:5px}
  .chips{gap:3px;flex-wrap:nowrap}
}
@media (max-height:600px){
  .eyebrow{justify-content:flex-start}
  .title__line{text-align:left}
  .chips{justify-content:flex-start}
  .title{font-size:clamp(40px,8vh,60px)}
  .chip{font-size:11px;padding:4px 8px 4px 7px;gap:5px}
  .chips{gap:4px;margin-top:10px}
  .eyebrow{font-size:10.5px}
}

/* mechanism caption under the chips: which radio carries the lit layer */
.chips-cap{margin:8px 0 0;font-size:13px;letter-spacing:.02em;color:var(--ink-2);min-height:1.4em;transition:opacity .5s var(--ease)}
.chips-cap__tech{color:var(--gold)}
.chips-cap.is-swap{opacity:0}
.chips-cap--all .chips-cap__layer,.chips-cap--all .chips-cap__sep{display:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (min-width:1800px) and (min-height:1000px){.chips-cap{font-size:16px}}
@media (max-width:760px), (max-aspect-ratio:4/5){.chips-cap{text-align:center}}
@media (max-width:420px){.chips-cap{font-size:11.5px;margin-top:6px}}
@media (max-height:600px){.chips-cap{text-align:left;font-size:11px;margin-top:5px}}
@media (prefers-reduced-motion:reduce){.chips-cap{transition:none}}
@media (prefers-reduced-motion:reduce){
  .title__word{transform:none;animation:none}
  .chip{transition:none}
}