/* PigeonRelay — styles */
:root{
  --paper:#F7F7F5; --surface:#FFFFFF; --surface-2:#FBFBFA;
  --ink:#16181D; --ink-2:#5C616C; --ink-3:#6E7380; --ink-soft:#A6AAB3;
  --line:#E5E5E1; --line-2:#EEEEEA;
  --blue:#1772F6; --blue-press:#0F5FD6; --blue-soft:#EAF1FE; --blue-glow:rgba(23,114,246,.22);
  --dot:108,113,124;
  --shadow-s:0 1px 1px rgba(22,24,29,.04),0 2px 8px rgba(22,24,29,.04);
  --shadow-m:0 1px 2px rgba(22,24,29,.05),0 12px 32px -12px rgba(22,24,29,.14);
  --sans:"Instrument Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{scroll-behavior:smooth;scroll-padding-top:calc(96px + env(safe-area-inset-top,0px));-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-weight:500;letter-spacing:-.035em;line-height:1.04;text-wrap:balance}
a{color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}
.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}
.wrap{width:min(1160px,100% - 48px);margin-inline:auto}
.mark{display:block;color:var(--blue);fill:currentColor}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font:500 14.5px/1 var(--sans);letter-spacing:-.01em;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .2s,border-color .2s,color .2s}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{transform:translateY(-1px);box-shadow:0 8px 24px -8px var(--blue-glow),0 0 0 4px var(--blue-soft)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-press);transform:translateY(-1px);box-shadow:0 10px 28px -8px var(--blue-glow)}
.btn-line{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-line:hover{border-color:var(--ink-soft);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-sm{min-height:36px;padding:0 16px;font-size:13.5px}
.btn .chev{width:14px;height:14px;transition:transform .25s var(--ease)}
.btn:hover .chev{transform:translateX(2px)}

/* ---------------- nav ---------------- */
.nav{position:fixed;left:50%;top:calc(16px + env(safe-area-inset-top,0px));transform:translateX(-50%);z-index:50;
  width:max-content;max-width:calc(100% - 24px);opacity:0;animation:fadeDown .9s var(--ease) .05s forwards}
.nav-pill{display:flex;align-items:center;gap:6px;padding:6px 6px 6px 14px;border-radius:999px;
  background:color-mix(in srgb,var(--surface) 78%,transparent);border:1px solid var(--line);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);box-shadow:var(--shadow-s);transition:box-shadow .3s}
.nav.scrolled .nav-pill{box-shadow:var(--shadow-m)}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:600;font-size:15px;letter-spacing:-.02em;margin-right:14px;min-height:36px}
.brand .mark{width:26px;height:22px;transition:transform .5s var(--ease)}
.brand:hover .mark{transform:translateY(-2px) rotate(-6deg)}
.nav-links{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{display:flex;align-items:center;min-height:36px;padding:0 13px;border-radius:999px;font-size:13.5px;color:var(--ink-2);text-decoration:none;transition:color .2s,background-color .2s}
.nav-links a:hover{color:var(--ink);background:var(--line-2)}
.nav-links a.active{color:var(--ink)}
.nav .btn{margin-left:8px}
.menu-btn{display:none;width:40px;height:40px;border-radius:999px;border:0;background:transparent;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.menu-btn span{position:relative;display:block;width:16px;height:1.5px;background:currentColor;transition:transform .3s var(--ease),background-color .2s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;transition:transform .3s var(--ease)}
.menu-btn span::before{transform:translateY(-5px)}.menu-btn span::after{transform:translateY(5px)}
.nav.open .menu-btn span{background:transparent}
.nav.open .menu-btn span::before{transform:rotate(45deg)}.nav.open .menu-btn span::after{transform:rotate(-45deg)}
.menu{display:none}

@media (max-width:1000px){
  .nav{width:calc(100% - 24px)}
  .nav-pill{justify-content:space-between;padding-left:14px}
  .nav-links,.nav-pill>.btn{display:none}
  .menu-btn{display:flex}
  .menu{display:block;margin-top:8px;padding:8px;border-radius:24px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-m);
    opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top center;pointer-events:none;visibility:hidden;transition:opacity .25s var(--ease),transform .3s var(--ease),visibility 0s .3s}
  .nav.open .menu{opacity:1;transform:none;pointer-events:auto;visibility:visible;transition:opacity .25s var(--ease),transform .3s var(--ease)}
  .menu a:not(.btn){display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:14px;text-decoration:none;font-size:16px}
  .menu a:not(.btn):hover{background:var(--line-2)}
  .menu .btn{width:100%;margin:6px 0 0;min-height:48px}
}

/* ---------------- hero ---------------- */
.hero{position:relative;min-height:max(680px,100svh);display:grid;place-items:center;padding:112px 0 88px;overflow:hidden;isolation:isolate}
#field{position:absolute;inset:0;width:100%;height:100%;z-index:-1;touch-action:pan-y;opacity:0;animation:fade 2.4s ease .3s forwards}
.hero-inner{display:flex;flex-direction:column;align-items:center;text-align:center;width:min(760px,100% - 40px)}
.hero-bird{position:relative;width:clamp(128px,15vw,196px);margin-bottom:28px;opacity:0;animation:birdIn 1.4s var(--ease) .2s forwards}
.hero-bird::before{content:"";position:absolute;inset:-35% -30%;z-index:-1;border-radius:50%;
  background:radial-gradient(closest-side,var(--blue-glow),transparent 72%);filter:blur(6px);animation:breathe 7s ease-in-out infinite}
.hero-bird .float{animation:float 8s ease-in-out 1.6s infinite}
.hero-bird .mark{width:100%;height:auto;transition:transform .8s var(--ease)}
.hero-bird .mark{color:var(--blue);opacity:1}
.hero-bird:hover .mark{transform:rotate(-3deg) translateY(-3px)}
.hero h1{font-size:clamp(42px,6.6vw,88px);letter-spacing:-.05em;line-height:.98}
.hero h1 span{display:block;opacity:0;transform:translateY(18px);animation:rise 1.1s var(--ease) forwards}
.hero h1 .l1{color:var(--ink);animation-delay:.45s}
.hero h1 .l2{animation-delay:.58s}
.hero .lede{max-width:34ch;margin-top:26px;font-size:clamp(16px,1.6vw,18.5px);color:var(--ink-2);opacity:0;animation:rise 1s var(--ease) .75s forwards}
.hero-ctas{display:flex;gap:10px;margin-top:34px;opacity:0;animation:rise 1s var(--ease) .88s forwards}
.notice{margin-top:36px;max-width:520px;padding:14px 18px;border-radius:18px;background:color-mix(in srgb,var(--surface) 82%,transparent);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:13.5px;line-height:1.55;color:var(--ink-2);text-align:left;
  display:grid;grid-template-columns:auto 1fr;gap:4px 12px;opacity:0;animation:rise 1s var(--ease) 1s forwards}
.notice .live{grid-row:span 2;margin-top:7px;width:7px;height:7px;border-radius:50%;background:var(--ink-soft);box-shadow:0 0 0 4px var(--line-2)}
.notice p:first-of-type{color:var(--ink)}
.notice a{color:var(--blue);text-decoration:none;font-weight:500}
.notice a:hover{text-decoration:underline;text-underline-offset:3px}
.scroll-cue{position:absolute;bottom:28px;left:50%;width:1px;height:40px;background:linear-gradient(var(--line),transparent);transform:translateX(-50%);opacity:0;animation:fade 1s ease 1.6s forwards}
.scroll-cue::after{content:"";position:absolute;left:-2px;top:0;width:5px;height:5px;border-radius:50%;background:var(--blue);animation:drip 2.6s var(--ease) 2s infinite}

/* ---------------- sections ---------------- */
section{position:relative}
.sec{padding:clamp(64px,7.5vw,104px) 0}
.sec-head{max-width:640px}
.sec h2{font-size:clamp(34px,4.8vw,60px)}
.sec .body{color:var(--ink-2);font-size:17px;max-width:46ch}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.kicker .mark{width:18px;height:15px}

.reveal{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}

/* product */
.product-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:clamp(40px,6vw,96px);align-items:center}
.product-grid .body{margin-top:26px}
.product-grid .body + .body{margin-top:14px}
.traits{list-style:none;padding:0;margin:36px 0 0;border-top:1px solid var(--line)}
.traits li{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.traits b{font-weight:500}
.traits span{color:var(--ink-2)}
.viz{position:relative;aspect-ratio:1.08;border-radius:28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);overflow:hidden}
.viz>svg{position:absolute;inset:0;width:100%;height:100%}
.viz .route{fill:none;stroke:var(--line);stroke-width:1.5;stroke-dasharray:2 6;stroke-linecap:round}
.viz .trail{fill:none;stroke:var(--blue);stroke-width:1.75;stroke-linecap:round;opacity:.85}
.viz .branch{fill:none;stroke:var(--line);stroke-width:1.25;stroke-linecap:round}
.viz .branch.lit{stroke:var(--blue);opacity:.5;transition:stroke .4s,opacity .4s}
.viz .node circle.core{fill:var(--surface);stroke:var(--ink-soft);stroke-width:1.5;transition:stroke .35s,fill .35s}
.viz .node circle.ring{fill:none;stroke:var(--blue);stroke-width:1;opacity:0;transform-box:fill-box;transform-origin:center}
.viz .node.lit circle.core{stroke:var(--blue);fill:var(--blue-soft)}
.viz .node.lit circle.ring{animation:ring 1.4s var(--ease)}
.viz .leaf{fill:var(--surface);stroke:var(--line);stroke-width:1.25;transition:stroke .4s}
.viz .leaf.lit{stroke:var(--blue)}
.viz .carrier{color:var(--blue)}
.viz-cap{position:absolute;left:20px;bottom:18px;font-size:12.5px;color:var(--ink-3)}

/* how */
.how{background:var(--surface);border-block:1px solid var(--line-2)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:64px;counter-reset:step}
.step{position:relative;padding:28px;border-radius:24px;background:var(--surface-2);border:1px solid var(--line-2)}
.step .glyph{height:120px;margin:-4px -4px 26px;border-radius:16px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line-2)}
.step .glyph>svg{width:180px;height:90px;overflow:visible}
.step .num{font-size:13px;color:var(--blue);font-variant-numeric:tabular-nums;font-weight:500}
.step h3{font-size:26px;margin:8px 0 10px}
.step p{color:var(--ink-2);font-size:15px;max-width:32ch}
.g-line{fill:none;stroke:var(--ink-soft);stroke-width:1.5;stroke-linecap:round}
.g-line.blue{stroke:var(--blue)}
.g-dash{fill:none;stroke:var(--line);stroke-width:1.5;stroke-dasharray:2 5;stroke-linecap:round}
.g-node{fill:var(--surface);stroke:var(--ink-soft);stroke-width:1.5}
.g-node.blue{stroke:var(--blue);fill:var(--blue-soft)}
.draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 1.4s var(--ease)}
.pop{opacity:0;transform:scale(.4);transform-box:fill-box;transform-origin:center;transition:opacity .5s var(--ease),transform .6s var(--ease)}
.step.in .draw{stroke-dashoffset:0}
.step.in .pop{opacity:1;transform:none}

/* about */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(40px,6vw,96px);align-items:end}
.about-grid h2{font-size:clamp(34px,4.6vw,58px)}
.about-grid h2 .soft{color:var(--ink-soft)}
.about-grid .body+.body{margin-top:14px}

/* beta */
.beta{padding-top:calc(clamp(64px,7.5vw,104px) + 56px)}
.beta-box{position:relative;border-radius:36px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s);padding:clamp(32px,5.5vw,72px);
  display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(32px,5vw,72px);align-items:center;overflow:hidden}
.status{display:inline-flex;align-items:center;gap:9px;min-height:30px;padding:0 13px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink-2);background:var(--surface-2)}
.status i{width:7px;height:7px;border-radius:50%;background:#D14343;box-shadow:0 0 0 3px color-mix(in srgb,#D14343 18%,transparent)}
.beta h2{font-size:clamp(32px,4.2vw,52px);margin-top: 0;max-width:15ch}
.beta .body{margin-top: 22px}
.beta .body a,.mail-link{color:var(--blue);text-decoration:none;font-weight:500}
.beta .body a:hover,.mail-link:hover{text-decoration:underline;text-underline-offset:3px}
.beta h3{font-size:20px;letter-spacing:-.02em;margin-top: 40px}
.beta h3 + .body{margin-top:8px}
.subject{display:inline-flex;align-items:center;padding:1px 8px;border-radius:7px;background:var(--blue-soft);color:var(--ink);font-size:.94em;white-space:nowrap}
.beta-ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top: 34px}
.copy{position:relative}
.copy .ok{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border-radius:inherit;background:var(--surface);color:var(--blue);opacity:0;transition:opacity .2s}
.copy.done .ok{opacity:1}

.card{position:relative;align-self:stretch;border-radius:28px;padding:32px;display:flex;flex-direction:column;min-height:0;
  background:linear-gradient(160deg,var(--surface) 0%,var(--surface-2) 100%);border:1px solid var(--line);box-shadow:var(--shadow-m);overflow:hidden;isolation:isolate;
  transition:transform .6s var(--ease)}
.card::after{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .4s;
  background:radial-gradient(360px circle at var(--mx,70%) var(--my,20%),var(--blue-glow),transparent 60%)}
.card:hover::after{opacity:.6}
.card .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.card .tag{font-size:12.5px;color:var(--ink-3);border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--surface)}
.card .mark{width:44px;height:37px}
.card .big{position:absolute;right:-18%;bottom:14%;width:78%;opacity:.06;z-index:-1;color:var(--blue);transform:rotate(-8deg)}
.card h4{margin:auto 0 0;font-size:28px;font-weight:500;letter-spacing:-.035em;line-height:1.05}
.card p{color:var(--ink-2);margin-top:10px;max-width:24ch}
.card .btn{margin-top:24px;align-self:flex-start}
.card small{display:block;margin-top:14px;font-size:12.5px;color:var(--ink-3)}

/* footer */
footer{padding:56px 0 calc(40px + env(safe-area-inset-bottom,0px))}
.foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.foot .brand{margin:0}
.foot ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap;justify-content:center}
.foot ul a{display:flex;align-items:center;min-height:40px;padding:0 12px;font-size:14px;color:var(--ink-2);text-decoration:none;border-radius:999px;transition:color .2s}
.foot ul a:hover{color:var(--ink)}
.foot .mail-link{justify-self:end;font-size:14px}
.copyright{padding-top:24px;font-size:13px;color:var(--ink-3)}

/* ---------------- responsive ---------------- */
@media (max-width:980px){
  .product-grid,.about-grid,.beta-box{grid-template-columns:1fr}
  .viz{max-width:560px;width:100%;justify-self:center}
  .steps{grid-template-columns:1fr;max-width:560px}
  .card{min-height:300px}
}
@media (min-width:641px){.hero h1 span{white-space:nowrap}}
@media (max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .hero{padding:112px 0 40px;min-height:auto}
  .hero-ctas{flex-direction:column;width:100%;max-width:360px}
  .hero-ctas .btn,.beta-ctas .btn,.card .btn{width:100%;min-height:50px}
  .beta-ctas{flex-direction:column}
  .card .btn{align-self:stretch}
  .traits li{grid-template-columns:1fr;gap:2px}
  .foot{grid-template-columns:1fr;justify-items:start}
  .foot ul{justify-content:flex-start;margin-left:-12px}
  .foot .mail-link{justify-self:start}
  .beta-box{border-radius:28px}
  .step{padding:22px}
  .scroll-cue{display:none}
}

/* ---------------- keyframes ---------------- */
@keyframes fade{to{opacity:1}}
@keyframes fadeDown{from{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes birdIn{from{opacity:0;transform:scale(.9) translateY(10px)}to{opacity:1;transform:none}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes breathe{0%,100%{opacity:.75;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}
@keyframes drip{0%{transform:translateY(0);opacity:0}15%{opacity:1}80%{opacity:1}100%{transform:translateY(36px);opacity:0}}
@keyframes ring{from{opacity:.9;transform:scale(1)}to{opacity:0;transform:scale(2.6)}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .reveal{opacity:1;transform:none}
}

/* ================= pages ================= */
:root{--frame:#1B1E24;--code:#0E1E3C;--amber:#B26A00;--amber-soft:#FFF3DF}
.view[hidden]{display:none!important}
.page{padding:calc(140px + env(safe-area-inset-top,0px)) 0 clamp(96px,11vw,150px);min-height:100svh}
#encryption.page{min-height:0;padding:clamp(72px,9vw,120px) 0;scroll-margin-top:0}
.page-head{max-width:720px}
.page-head.center{margin-inline:auto;text-align:center}
.page-head.center .kicker{justify-content:center}
.page-title{font-size:clamp(38px,5.6vw,68px);letter-spacing:-.045em}
.page-lede{margin-top:22px;font-size:clamp(16.5px,1.6vw,19px);color:var(--ink-2);max-width:54ch}
.page-head.center .page-lede{margin-inline:auto}
.illus{margin-top:40px;text-align:center;font-size:13px;color:var(--ink-3)}
.more-link{margin-top:32px}
.page-next{display:flex;justify-content:flex-end;margin-top:72px;padding-top:28px;border-top:1px solid var(--line)}
.page-next a{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:clamp(20px,2.4vw,28px);letter-spacing:-.03em;font-weight:500;min-height:44px}
.page-next a span{color:var(--ink-3);font-size:14px;letter-spacing:0;font-weight:400}
.page-next a .chev{width:18px;height:18px;transition:transform .3s var(--ease)}
.page-next a:hover .chev{transform:translateX(4px)}

/* ---- the app ---- */
.app-stage{display:flex;flex-direction:column;align-items:center;gap:24px;margin-top:64px}
.dsk{--ring:#fff;display:flex;width:min(1080px,100%);height:620px;border-radius:22px;background:var(--surface);border:1px solid var(--line);overflow:hidden;
  box-shadow:0 1px 2px rgba(22,24,29,.05),0 40px 80px -40px rgba(22,24,29,.28)}
.dsk-side{--ring:var(--surface-2);width:304px;flex:none;display:flex;flex-direction:column;background:var(--surface-2);border-right:1px solid var(--line-2);padding:18px 12px 12px}
.dsk-brand{display:flex;align-items:center;gap:9px;padding:2px 6px 14px}
.dsk-brand .mark{width:22px;height:18px;flex:none}
.dsk-brand b{flex:1;font-weight:600;font-size:16px;letter-spacing:-.025em}
.dsk-plus{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);color:var(--ink-2)}
.dsk-plus svg{width:14px;height:14px}
.dsk-search{display:flex;align-items:center;gap:8px;min-height:36px;margin:0 2px 12px;padding:0 12px;border-radius:11px;background:var(--surface);border:1px solid var(--line-2);color:var(--ink-3);font-size:13.5px}
.dsk-search svg{width:14px;height:14px;flex:none}
#clItems{display:flex;flex-direction:column;gap:2px}
.cl-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px;border:0;border-radius:14px;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer;transition:background-color .25s}
.cl-item:hover{background:#F3F4F8}
.cl-item[aria-selected="true"]{--ring:#EEF0F7;background:#EEF0F7}
.cl-av{width:60px;display:flex;justify-content:center;align-items:center;flex:none}
.cl-txt{flex:1;min-width:0;display:flex;flex-direction:column}
.cl-name{font-weight:600;font-size:14.5px;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cl-prev{font-size:13px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cl-time{align-self:flex-start;font-size:11.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;margin-top:3px}
.av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;font-size:14px;flex:none}
.av-stack{display:flex;align-items:center}
.av-stack .av{position:relative;width:24px;height:24px;font-size:10.5px;box-shadow:0 0 0 2px var(--ring)}
.av-stack .av:nth-child(1){z-index:3}.av-stack .av:nth-child(2){z-index:2}.av-stack .av:nth-child(3){z-index:1}
.av-stack .av+.av{margin-left:-5px}
.head-av{display:flex;flex:none}
.head-av .av-stack .av{width:30px;height:30px;font-size:12px;box-shadow:0 0 0 2.5px var(--ring)}
.head-av .av-stack .av+.av{margin-left:-7px}

.dsk-main{flex:1;min-width:0;display:flex;flex-direction:column}
.dsk-head{--ring:#fff;display:flex;align-items:center;gap:12px;min-height:72px;padding:14px 22px;border-bottom:1px solid var(--line-2);transition:opacity .16s}
.dsk-head .who{flex:1;min-width:0}
.dsk-head b{display:block;font-weight:600;font-size:15.5px;letter-spacing:-.015em}
.dsk-head small{display:block;font-size:12.5px;color:var(--ink-3)}
.dsk-tools{display:flex;align-items:center;gap:6px}
.enc{display:inline-flex;align-items:center;gap:6px;margin-right:6px;padding:6px 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:12.5px;font-weight:500}
.enc svg{width:13px;height:13px}
.tool{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;color:var(--ink-3)}
.tool svg{width:17px;height:17px}
.thread{flex:1;overflow-y:auto;padding:22px 26px;display:flex;flex-direction:column;gap:16px;scrollbar-width:none;background:var(--surface);transition:opacity .16s}
.thread::-webkit-scrollbar{display:none}
.dsk-main.swap .thread,.dsk-main.swap .dsk-head{opacity:0}
.mrow{display:flex;align-items:flex-start;gap:10px;max-width:74%;animation:pop .45s var(--ease)}
.mrow.in{align-self:flex-start}
.mrow.out{align-self:flex-end;flex-direction:row-reverse}
.mrow .av{width:30px;height:30px;font-size:12px}
.mcol{min-width:0;display:flex;flex-direction:column;gap:5px}
.mrow.out .mcol{align-items:flex-end}
.msg-who{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:var(--ink-2)}
.msg-time{display:inline-flex;align-items:center;gap:4px;color:var(--ink-3);font-weight:400;font-variant-numeric:tabular-nums}
.msg-time .tick{color:var(--blue)}
.msg{padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.45}
.mrow.in .msg{background:#F2F3F5;border-top-left-radius:6px}
.mrow.out .msg{background:var(--blue);color:#fff;border-top-right-radius:6px}
.tick{width:15px;height:9px}
.sysline{align-self:center;max-width:90%;text-align:center;font-size:11.5px;color:var(--ink-3);background:var(--surface-2);border:1px solid var(--line-2);padding:4px 12px;border-radius:999px}
.typing{display:flex;gap:4px;width:max-content;padding:14px 16px;border-radius:16px;border-top-left-radius:6px;background:#F2F3F5}
.mrow.out .typing{background:var(--blue-soft);border-top-left-radius:16px;border-top-right-radius:6px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--ink-soft);animation:blink 1.1s infinite}
.mrow.out .typing i{background:var(--blue)}
.typing i:nth-child(2){animation-delay:.16s}.typing i:nth-child(3){animation-delay:.32s}
.composer{padding:12px 22px 20px}
.composer .field{display:flex;align-items:center;gap:10px;min-height:52px;padding:0 9px 0 18px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--ink-3);font-size:14px}
.composer .smile{width:18px;height:18px;flex:none}
.composer .txt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.composer .ico{width:28px;height:28px;display:grid;place-items:center;font-size:15px;font-weight:500;color:var(--ink-3)}
.composer .ico svg{width:15px;height:15px}
.composer .send{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;flex:none}
.composer .send svg{width:16px;height:16px}
@media (max-width:980px){
  .dsk-side{width:236px}
  .cl-time{display:none}
  .mrow{max-width:86%}
}
@media (max-width:760px){
  .dsk{flex-direction:column;height:auto}
  .dsk-side{width:auto;border-right:0;border-bottom:1px solid var(--line-2);padding:14px 12px 10px}
  .dsk-brand{padding-bottom:10px}
  .dsk-search{display:none}
  #clItems{flex-direction:row;gap:6px;overflow-x:auto;scrollbar-width:none}
  .cl-item{width:auto;flex:none;gap:8px;padding:6px 14px 6px 8px;background:var(--surface);border:1px solid var(--line-2);border-radius:999px}
  .cl-item[aria-selected="true"]{border-color:#DADFEE}
  .cl-av{width:auto}
  .cl-prev,.cl-time{display:none}
  .cl-item .av{width:28px;height:28px;font-size:12px}
  .cl-item .av-stack .av{width:22px;height:22px;font-size:10px}
  .cl-item .av-stack .av+.av{margin-left:-6px}
  .head-av .av-stack .av{width:26px;height:26px;font-size:11px}
  .head-av .av-stack .av+.av{margin-left:-8px}
  .dsk-head{min-height:0;padding:12px 14px}
  .tool{display:none}
  .dsk .thread{flex:none;height:440px;padding:16px 14px;gap:14px}
  .composer{padding:10px 12px 14px}
}

/* ---- how a message flies ---- */
.how-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);margin-top:64px;align-items:start}
.hsteps{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:24px;background:var(--surface);overflow:hidden;list-style:none;margin:0;padding:0}
.hstep{position:relative;padding:26px 24px 28px;border-color:var(--line-2);border-style:solid;border-width:0}
.hstep:nth-child(odd){border-right-width:1px}
.hstep:nth-child(-n+2){border-bottom-width:1px}
.hstep::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--blue)}
.hstep.on::before{animation:progress 2.8s linear forwards}
.hstep .num{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;font-weight:500;transition:color .3s}
.hstep.on .num{color:var(--blue)}
.hstep h3{font-size:19px;letter-spacing:-.025em;margin:10px 0 8px}
.hstep p{font-size:14.5px;color:var(--ink-2)}
.hstep code{font-family:inherit;font-weight:500;color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chips span{display:inline-flex;align-items:center;min-height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:13.5px;color:var(--ink-2)}
.chips-cap{margin-top:14px;font-size:13px;color:var(--ink-3)}
.codefile{position:sticky;top:110px}
.codefile .fname{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin:0 0 10px 4px}
.codefile .fname i{display:flex;gap:5px}
.codefile .fname i b{width:9px;height:9px;border-radius:50%;background:var(--line)}
pre.code{margin:0;padding:26px 26px 28px;border-radius:24px;background:var(--code);color:#E7EEFF;overflow-x:auto;
  font:13.5px/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;box-shadow:var(--shadow-m)}
.code .k{color:#9CC2FF}.code .s{color:#FFFFFF}.code .n{color:#7FE0C3}.code .c{color:#6F86AE}.code .p{color:#8EA3C9}


/* ---- security ---- */
.security-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:64px;max-width:980px}
.security-card{padding:32px;border:1px solid var(--line);border-radius:24px;background:var(--surface-2)}
.security-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--surface);font-size:12px;font-weight:600;margin-bottom:28px}
.security-card h2{font-size:clamp(25px,3vw,42px);letter-spacing:-.035em;line-height:1.04;margin:0 0 12px}
.security-card p{margin:0;color:var(--ink-2);font-size:18px}

/* ---- encryption ---- */
.enc-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,56px);margin-top:64px;align-items:start}
.pipe{padding:24px;border-radius:24px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.pipe-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pcard{padding:14px;border-radius:16px;border:1px solid var(--line);background:var(--surface-2);min-width:0}
.pcard b{display:block;font-weight:600;font-size:14px;letter-spacing:-.01em}
.pcard span{display:block;color:var(--ink-3);font-size:12px;margin-top:2px}
.pcard em{display:inline-block;margin-top:10px;font-style:normal;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--blue-soft);color:var(--blue);white-space:nowrap}
.pcard.relay{border-style:dashed;background:var(--surface)}
.pcard.relay em{background:var(--line-2);color:var(--ink-2)}
.pcard.a{animation:glowA 6s infinite}.pcard.relay{animation:glowB 6s infinite}.pcard.c{animation:glowC 6s infinite}
.lane{position:relative;height:60px;margin-top:8px}
.lane::before{content:"";position:absolute;left:16.66%;right:16.66%;top:50%;border-top:1.5px dashed var(--ink-soft);opacity:.55}
.lane .stop{position:absolute;top:50%;width:9px;height:9px;border-radius:50%;background:var(--surface);border:1.5px solid var(--ink-soft);transform:translate(-50%,-50%)}
.packet{position:absolute;top:50%;left:16.66%;display:grid;transform:translate(-50%,-50%);animation:packet 6s infinite}
.packet>span{grid-area:1/1;justify-self:center;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}
.packet .plain{background:var(--surface);border:1px solid var(--blue);color:var(--ink);animation:plainOp 6s infinite}
.packet .cipher{background:var(--ink);color:var(--paper);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.02em;animation:cipherOp 6s infinite}
.packet svg{width:12px;height:12px}
.pipe-cap{font-size:13px;color:var(--ink-3);text-align:center}
.handles{margin-top:16px;border-radius:24px;background:var(--surface);border:1px solid var(--line);list-style:none;padding:6px 20px}
.handles li{display:flex;align-items:center;gap:10px;min-height:54px;border-bottom:1px solid var(--line-2);font-size:14px}
.handles li:last-child{border-bottom:0}
.handles b{font-weight:600}
.handles .name{margin-left:auto;color:var(--ink-2);text-align:right}
.badge{font-size:11.5px;padding:2px 9px;border-radius:999px;background:var(--blue-soft);color:var(--blue);white-space:nowrap}
.badge.pending{background:var(--amber-soft);color:var(--amber)}
.facts{display:grid;grid-template-columns:1fr 1fr;margin:0;border:1px solid var(--line);border-radius:24px;background:var(--surface);overflow:hidden}
.facts div{padding:22px 22px 24px;border-color:var(--line-2);border-style:solid;border-width:0 0 1px 0}
.facts div:nth-child(odd){border-right-width:1px}
.facts div:nth-last-child(-n+2){border-bottom-width:0}
.facts dt{font-size:12.5px;color:var(--ink-3)}
.facts dd{margin:6px 0 0;font-weight:600;font-size:15.5px;letter-spacing:-.015em}
.facts dd span{display:block;margin-top:4px;font-weight:400;font-size:14px;color:var(--ink-2);letter-spacing:0}

/* ---- loft ---- */
.loft-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(36px,5vw,80px);align-items:center}
.loft-grid .page-title{font-size:clamp(38px,5vw,62px)}
.feats{list-style:none;padding:0;margin:36px 0 0;display:flex;flex-direction:column;gap:18px}
.feats li{display:grid;grid-template-columns:36px 1fr;gap:14px;font-size:15px;color:var(--ink-2)}
.feats b{color:var(--ink);font-weight:600}
.feats .ic{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--blue-soft);color:var(--blue)}
.feats .ic.no{background:var(--amber-soft);color:var(--amber)}
.feats .ic svg{width:16px;height:16px}
.win{border-radius:24px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-m);overflow:hidden}
.win-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line-2)}
.win-bar i{display:flex;gap:6px}.win-bar i b{width:10px;height:10px;border-radius:50%;background:var(--line)}
.win-bar span{flex:1;font-size:13px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.win-bar em{font-style:normal;font-size:11.5px;padding:3px 9px;border-radius:999px;background:var(--blue-soft);color:var(--blue)}
.win .thread{height:430px;padding:16px}
.win-foot{padding:12px 16px;border-top:1px solid var(--line-2)}
.win-foot div{display:flex;align-items:center;gap:8px;min-height:42px;padding:0 16px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-2);color:var(--ink-3);font-size:13.5px}
.win-foot svg{width:14px;height:14px}

@media (max-width:980px){
  .how-grid,.enc-grid,.loft-grid,.security-grid{grid-template-columns:1fr}
  .codefile{position:static}
}
@media (max-width:640px){
  .page{padding-top:calc(112px + env(safe-area-inset-top,0px))}
  .hsteps{grid-template-columns:1fr}
  .hstep:nth-child(odd){border-right-width:0}
  .hstep:nth-child(-n+3){border-bottom-width:1px}
  .pipe{padding:14px}
  .pipe-cards{gap:8px}
  .pcard{padding:10px}
  .pcard b{font-size:13px}
  .pcard em{white-space:normal}
  .facts{grid-template-columns:1fr}
  .facts div:nth-child(odd){border-right-width:0}
  .facts div:nth-last-child(2){border-bottom-width:1px}
  .win .thread{height:400px}
  .page-next{justify-content:flex-start}
}

@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}
@keyframes blink{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
@keyframes progress{to{width:100%}}
@keyframes packet{
  0%{left:16.66%;opacity:0}4%{opacity:1}10%{left:16.66%;animation-timing-function:cubic-bezier(.5,0,.3,1)}
  44%,56%{left:50%;animation-timing-function:cubic-bezier(.5,0,.3,1)}
  90%{left:83.33%;opacity:1}100%{left:83.33%;opacity:0}}
@keyframes plainOp{0%,12%{opacity:1}18%,82%{opacity:0}88%,100%{opacity:1}}
@keyframes cipherOp{0%,12%{opacity:0}18%,82%{opacity:1}88%,100%{opacity:0}}
@keyframes glowA{0%,2%,16%,100%{border-color:var(--line);box-shadow:none}6%,12%{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}}
@keyframes glowB{0%,42%,60%,100%{box-shadow:none;border-color:var(--line)}46%,54%{border-color:var(--ink-soft);box-shadow:0 0 0 4px var(--line-2)}}
@keyframes glowC{0%,84%,100%{border-color:var(--line);box-shadow:none}88%,96%{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-soft)}}
@media (prefers-reduced-motion:reduce){.packet,.packet>span,.pcard{animation:none!important}.packet{left:50%;opacity:1}.packet .plain{opacity:0}.packet .cipher{opacity:1}}

.more-link{margin-top:28px}
.nav-links a.active{color:var(--ink);background:var(--line-2)}
.menu a.active{color:var(--blue)}

/* ---------- hero intro (replayable) and outro ---------- */
.hero:not(.play) #field,.hero:not(.play) .hero-bird,.hero:not(.play) h1 span,.hero:not(.play) .lede,
.hero:not(.play) .hero-ctas,.hero:not(.play) .notice,.hero:not(.play) .scroll-cue{animation:none}
.hero h1 span{filter:blur(8px)}
@keyframes rise{to{opacity:1;transform:none;filter:none}}
.hero-inner{--o:var(--out,0);opacity:calc(1 - var(--o) * 1.15);transform:translateY(calc(var(--o) * -80px)) scale(calc(1 - var(--o) * .05));
  filter:blur(calc(var(--o) * 8px));will-change:transform,opacity}
.hero .scroll-cue{visibility:visible}
.hero.out-far .scroll-cue{visibility:hidden}
.hero.leaving .hero-inner{animation:heroOut .5s cubic-bezier(.6,0,.8,.3) forwards}
.hero.leaving .scroll-cue{visibility:hidden}
@keyframes heroOut{to{opacity:0;transform:translateY(-40px) scale(.96);filter:blur(12px)}}

/* ---------- page transitions ---------- */
.view.entering{animation:viewIn .75s var(--ease) both}
.view.leaving{animation:viewOut .28s ease forwards;pointer-events:none}
#v-home.leaving{animation-delay:.22s}
@keyframes viewIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes viewOut{to{opacity:0;transform:translateY(-10px)}}
.page .reveal,.dev .reveal{filter:blur(8px);transition:opacity 1s var(--ease),transform 1.1s var(--ease),filter .9s var(--ease)}
.page .reveal.in,.dev .reveal.in{filter:none}
.relay-bar{position:fixed;left:0;right:0;top:env(safe-area-inset-top,0px);height:14px;z-index:60;pointer-events:none;overflow:hidden}
.relay-bar i{position:absolute;left:0;top:0;width:100%;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;opacity:0}
.relay-bar svg{position:absolute;left:0;top:2px;width:16px;height:13px;color:var(--blue);opacity:0}
.relay-bar.go i{animation:barGo .95s var(--ease) forwards}
.relay-bar.go svg{animation:birdGo .95s var(--ease) forwards}
@keyframes barGo{0%{transform:scaleX(0);opacity:1}70%{transform:scaleX(1);opacity:1}100%{transform:scaleX(1);opacity:0}}
@keyframes birdGo{0%{transform:translateX(-20px);opacity:0}10%{opacity:1}70%{transform:translateX(calc(100vw - 16px));opacity:1}100%{transform:translateX(calc(100vw + 10px));opacity:0}}
@media (prefers-reduced-motion:reduce){.hero-inner{opacity:1;transform:none;filter:none}.page .reveal{filter:none}.relay-bar{display:none}.dev .reveal{filter:none}}

/* ---------- account buttons (top right, separate) ---------- */
.auth{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));top:calc(16px + env(safe-area-inset-top,0px));z-index:50;
  display:flex;gap:8px;opacity:0;animation:fadeDownL .9s var(--ease) .15s forwards}
.auth a{display:inline-flex;align-items:center;min-height:48px;padding:0 20px;border-radius:999px;text-decoration:none;font:500 14px/1 var(--sans);letter-spacing:-.01em;
  border:1px solid var(--line);box-shadow:var(--shadow-s);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-color .2s,border-color .2s,color .2s}
.auth .li{background:color-mix(in srgb,var(--surface) 78%,transparent);color:var(--ink-2)}
.auth .li:hover{color:var(--ink);border-color:var(--ink-soft);transform:translateY(-1px)}
.auth .su{background:var(--blue);border-color:var(--blue);color:#fff}
.auth .su:hover{background:var(--blue-press);transform:translateY(-1px);box-shadow:0 10px 24px -8px var(--blue-glow)}
.auth a.active{box-shadow:0 0 0 4px var(--blue-soft)}
@keyframes fadeDownL{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@media (min-width:1001px) and (max-width:1300px){
  .nav{left:calc(16px + env(safe-area-inset-left,0px));transform:none;animation-name:fadeDownL}
}
@media (max-width:1000px){ .auth{display:none} }
.menu-auth{display:none}
@media (max-width:1000px){
  .menu-auth{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-bottom:8px;margin-bottom:6px;border-bottom:1px solid var(--line-2)}
  .menu .menu-auth a{justify-content:center;min-height:46px;border-radius:14px;border:1px solid var(--line);font-size:15px;font-weight:500}
  .menu .menu-auth a.su{background:var(--blue);border-color:var(--blue);color:#fff}
  .menu .menu-auth a.su:hover{background:var(--blue-press)}
}

/* ---------- log in / sign up "in development" pages ---------- */
.dev{min-height:100svh;display:grid;place-items:center;padding:calc(120px + env(safe-area-inset-top,0px)) 0 96px}
.dev-inner{display:flex;flex-direction:column;align-items:center;text-align:center;width:min(760px,100% - 40px)}
.dev-bird{position:relative;width:clamp(96px,11vw,132px);margin-bottom:34px}
.dev-bird::before{content:"";position:absolute;inset:-40% -35%;z-index:-1;border-radius:50%;background:radial-gradient(closest-side,var(--blue-glow),transparent 72%);filter:blur(6px);animation:breathe 7s ease-in-out infinite}
.dev-bird .mark{width:100%;height:auto;animation:float 8s ease-in-out infinite}
.dev-status{display:inline-flex;align-items:center;gap:9px;min-height:30px;padding:0 13px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink-2);background:var(--surface);margin-bottom:26px}
.dev-status i{width:7px;height:7px;border-radius:50%;background:#E0A21B;box-shadow:0 0 0 3px color-mix(in srgb,#E0A21B 20%,transparent);animation:breathe 2.4s ease-in-out infinite}
.dev h1{font-size:clamp(42px,6.6vw,88px);letter-spacing:-.05em;line-height:.98}
.dev h1 span{display:block}
.dev h1 .l1{color:var(--ink-soft)}
@media (min-width:641px){.dev h1 span{white-space:nowrap}}
.dev .lede{max-width:36ch;margin-top:26px;font-size:clamp(16px,1.6vw,18.5px);color:var(--ink-2)}
.dev .lede a{color:var(--blue);text-decoration:none;font-weight:500}
.dev .lede a:hover{text-decoration:underline;text-underline-offset:3px}
.dev-ctas{display:flex;gap:10px;margin-top:34px}
.dev-back{margin-top:28px;font-size:14px;color:var(--ink-3);text-decoration:none;min-height:44px;display:inline-flex;align-items:center;gap:6px}
.dev-back:hover{color:var(--ink)}
.dev-back svg{width:14px;height:14px;transform:rotate(180deg);transition:transform .25s var(--ease)}
.dev-back:hover svg{transform:rotate(180deg) translateX(2px)}
@media (max-width:640px){.dev-ctas{flex-direction:column;width:100%;max-width:360px}.dev-ctas .btn{width:100%;min-height:50px}}
@media (prefers-reduced-motion:reduce){.auth{opacity:1}}

/* ---------- combined home-page app + observer section ---------- */
.app-combined{padding-top:0}
.app-combined-head{max-width:760px}
.app-combined-head h2{max-width:760px}
.app-intro{max-width:62ch;margin-top:18px}
.app-observer-grid{display:grid;grid-template-columns:minmax(0, .85fr) minmax(0, 1.15fr);gap:clamp(36px,6vw,88px);align-items:center;margin-top:clamp(70px,9vw,120px)}
.app-subtitle{font-size:clamp(30px,4vw,48px);line-height:1.02;letter-spacing:-.04em;margin:0 0 18px}
.app-observer-grid .feats{margin-top:30px}
@media (max-width:900px){.app-observer-grid{grid-template-columns:1fr}.app-observer-grid .win{max-width:720px}}

/* How it works — simple relay animation */
.relay-steps .relay-glyph{display:flex;align-items:center;justify-content:center}
.relay-bird-icon{color:var(--blue);transform-box:fill-box;transform-origin:center}
.bounce-bird{animation:relayBounce 1.8s ease-in-out infinite}
@keyframes relayBounce{0%,100%{transform:translateX(0) translateY(0)}28%{transform:translateX(18px) translateY(-8px)}55%{transform:translateX(42px) translateY(0)}78%{transform:translateX(58px) translateY(-8px)}}
@media (prefers-reduced-motion:reduce){.bounce-bird{animation:none}}

/* PigeonRelay original blue logo */
.logo, .brand, .site-logo, .nav-logo, .auth-logo { color:#1677ff !important; }

/* Hero pigeon remains visible when returning home */
.hero:not(.play) .hero-bird{opacity:1}


/* ---------- standalone login / sign-up pages ---------- */
.auth-page{
  min-height:100svh;display:grid;place-items:center;
  padding:calc(80px + env(safe-area-inset-top,0px)) 24px 72px;
  background:var(--paper);overflow:hidden;
}
.auth-page-inner{width:min(760px,100%);display:flex;flex-direction:column;align-items:center;text-align:center}
.auth-page .auth-logo{
  width:clamp(86px,10vw,122px);height:auto;margin-bottom:34px;color:var(--blue);
  opacity:0;animation:birdIn 1.05s var(--ease) .08s forwards;
}
.auth-page .auth-logo-glow{
  position:absolute;width:190px;height:150px;border-radius:50%;
  background:radial-gradient(closest-side,var(--blue-glow),transparent 72%);
  filter:blur(8px);pointer-events:none;opacity:.28;animation:breathe 7s ease-in-out infinite;
}
.auth-page .auth-heading{
  margin:0;font-size:clamp(48px,7vw,88px);letter-spacing:-.055em;line-height:.98;
  font-weight:500;animation:authIntroRise 1s var(--ease) .18s both;
}
.auth-page .auth-heading .muted{display:block;color:var(--ink-soft)}
.auth-page .auth-heading .bright{display:block;color:var(--ink)}
.auth-page .auth-lede{
  max-width:590px;margin-top:26px;font-size:clamp(16px,1.6vw,18.5px);
  line-height:1.55;color:var(--ink-2);animation:authIntroRise 1s var(--ease) .28s both;
}
.auth-page .auth-lede a{color:var(--blue);text-decoration:none;font-weight:500}
.auth-page .auth-actions{
  display:flex;justify-content:center;gap:10px;margin-top:32px;
  animation:authIntroRise 1s var(--ease) .38s both;
}
.auth-page .auth-back{
  margin-top:28px;min-height:44px;display:inline-flex;align-items:center;gap:6px;
  color:var(--ink-3);text-decoration:none;font-size:14px;
  animation:authIntroRise 1s var(--ease) .46s both;
  transition:color .2s,transform .25s var(--ease);
}
.auth-page .auth-back:hover{color:var(--ink);transform:translateX(-2px)}
.auth-page.auth-leaving .auth-logo,
.auth-page.auth-leaving .auth-heading,
.auth-page.auth-leaving .auth-lede,
.auth-page.auth-leaving .auth-actions,
.auth-page.auth-leaving .auth-back{
  animation:authOutro .45s cubic-bezier(.6,0,.8,.3) forwards;
}
@keyframes authIntroRise{
  from{opacity:0;transform:translateY(20px);filter:blur(8px)}
  to{opacity:1;transform:none;filter:none}
}
@keyframes authOutro{
  to{opacity:0;transform:translateY(-24px) scale(.98);filter:blur(8px)}
}
@media(max-width:640px){
  .auth-page{padding-inline:18px}
  .auth-page .auth-logo{width:88px;margin-bottom:28px}
  .auth-page .auth-heading{font-size:clamp(44px,13vw,66px)}
  .auth-page .auth-lede{font-size:16px}
  .auth-page .auth-actions{flex-direction:column;width:100%;max-width:360px}
  .auth-page .auth-actions .btn{width:100%;min-height:50px}
}
@media(prefers-reduced-motion:reduce){
  .auth-page .auth-logo,.auth-page .auth-heading,.auth-page .auth-lede,
  .auth-page .auth-actions,.auth-page .auth-back{
    animation:none;opacity:1;filter:none;transform:none
  }
}


/* What is PigeonRelay copy */


/* ---------- word-by-word heading reveal ---------- */
.split-h .w{display:inline-block;opacity:0;transform:translateY(.42em);filter:blur(8px);
  transition:opacity .75s var(--ease),transform .95s var(--ease),filter .85s var(--ease);
  transition-delay:calc(var(--i) * 65ms + 80ms);will-change:transform,opacity,filter}
.split-h.words-in .w{opacity:1;transform:none;filter:blur(0)}

/* ---------- section intro: hairline draws across, the kicker's bird lands ---------- */
#v-home .sec{position:relative}
#v-home .sec::before{content:"";position:absolute;top:0;left:50%;width:min(1160px,calc(100% - 48px));height:1px;
  background:var(--line);transform:translateX(-50%) scaleX(0);transform-origin:left center;
  transition:transform 1.4s var(--ease);pointer-events:none}
#v-home .sec.sec-in::before{transform:translateX(-50%) scaleX(1)}
#v-home .sec .kicker .mark{display:inline-block;opacity:0;transform:translate(-16px,-10px) rotate(-18deg);
  transition:opacity .6s var(--ease),transform 1s cubic-bezier(.3,1.35,.4,1)}
#v-home .sec.sec-in .kicker .mark{opacity:1;transform:none;transition-delay:.15s}

@media (prefers-reduced-motion:reduce){
  .split-h .w{opacity:1;transform:none;filter:none;transition:none}
  #v-home .sec::before{transform:translateX(-50%) scaleX(1);transition:none}
  #v-home .sec .kicker .mark{opacity:1;transform:none;transition:none}
}
@media (max-width:640px){#v-home .sec::before{width:calc(100% - 32px)}}
#v-home .sec.beta::before{display:none}
#v-home .sec.app-combined::before{display:none}

/* ---------------- legal pages (privacy / terms) ---------------- */
.legal-top{padding:calc(28px + env(safe-area-inset-top,0px)) 0 0}
.legal-top .brand{display:inline-flex}
.legal{width:min(720px,100% - 48px);margin:0 auto;padding:64px 0 96px}
.legal-kicker{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-weight:600;margin-bottom:14px}
.legal h1{font-size:clamp(40px,7vw,64px);margin-bottom:14px}
.legal .updated{color:var(--ink-3);font-size:14px;margin-bottom:40px}
.legal .summary{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px 24px;margin-bottom:48px;box-shadow:var(--shadow-s)}
.legal .summary p{color:var(--ink-2)}
.legal h2{font-size:24px;letter-spacing:-.025em;margin:48px 0 14px;scroll-margin-top:24px}
.legal h3{font-size:17px;letter-spacing:-.01em;margin:24px 0 8px;font-weight:600}
.legal p,.legal li{color:var(--ink-2)}
.legal p+p{margin-top:12px}
.legal ul{padding-left:20px;margin:12px 0 0}
.legal li+li{margin-top:6px}
.legal strong{color:var(--ink);font-weight:600}
.legal a{color:var(--blue);text-decoration:none;font-weight:500}
.legal a:hover{text-decoration:underline}
.legal .ph{background:#FFF3C4;color:#6B4E00;border-radius:4px;padding:0 4px;font-style:normal}
.legal-foot{border-top:1px solid var(--line);padding:24px 0 36px;font-size:13px;color:var(--ink-3)}
.legal-foot .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
.legal-foot nav{display:flex;gap:18px}
.legal-foot a{color:var(--ink-2);text-decoration:none}
.legal-foot a:hover{color:var(--ink)}
.legal-top .brand{color:var(--ink)}

/* ---------------- support page ---------------- */
.support-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.support-auth{display:flex;gap:8px}
.support .support-lede{font-size:clamp(17px,2vw,19px);line-height:1.55;color:var(--ink-2);max-width:56ch;margin-bottom:40px}
.contact-panel{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:26px 28px;border-radius:24px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-s)}
.contact-panel h2{margin:0 0 6px;font-size:20px}
.contact-panel p{max-width:38ch;font-size:15px}
.contact-actions{display:flex;gap:10px;flex-wrap:wrap}
.legal .contact-actions .btn-ink{color:var(--paper)}
.legal .contact-actions .btn-ink:hover,.legal .support-auth .btn:hover{text-decoration:none}
.faq-jump{display:flex;flex-wrap:wrap;gap:8px;margin:40px 0 8px}
.legal .faq-jump a{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:13.5px;font-weight:500;transition:border-color .2s,color .2s}
.legal .faq-jump a:hover{color:var(--ink);border-color:var(--ink-soft);text-decoration:none}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);scroll-margin-top:24px}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 2px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:500;color:var(--ink);border-radius:8px}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:none;width:16px;height:16px;color:var(--ink-3);transform:rotate(90deg);transition:transform .25s var(--ease)}
.faq details[open] summary svg{transform:rotate(-90deg)}
.faq summary:hover svg{color:var(--ink)}
.faq summary:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.faq .a{padding:0 2px 20px;max-width:62ch}
.support-end{margin-top:56px;color:var(--ink-2)}
@media (max-width:640px){
  .support-auth .btn-line{display:none}
  .contact-panel{padding:22px}
  .contact-actions,.contact-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){.faq summary svg{transition:none}}