/* clixsy.ai shared styles for the product pages (signal.html, surge.html).
   index.html keeps its own inline CSS; tokens, nav, buttons and footer here mirror it 1:1. */

/* ───────────────────────── tokens ───────────────────────── */
:root{
  --green:#16DC76; --green-2:#25DD7E; --green-dim:#0eaf62;
  --green-soft:rgba(22,220,118,.10); --green-line:rgba(22,220,118,.28);
  --bg:#000000; --bg-2:#070b0e; --card:#0b1218; --card-2:#0f1a22; --hair:rgba(255,255,255,.08); --hair-2:rgba(255,255,255,.14);
  --text:#ffffff; --text-2:rgba(255,255,255,.64); --text-3:rgba(255,255,255,.40);
  --bone:#d9d3c4; --shadow:0 30px 80px rgba(0,0,0,.6);
  --sans:"Outfit","Product Sans","Google Sans",-apple-system,"Segoe UI",Inter,Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono","Geist Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --radius:22px; --ease:cubic-bezier(.22,1,.36,1);
  color-scheme:dark;
}
html[data-theme="light"]{
  --green:#0eaf62; --green-2:#16DC76; --green-dim:#0c8a4e;
  --green-soft:rgba(14,175,98,.10); --green-line:rgba(14,175,98,.32);
  --bg:#eef3f1; --bg-2:#e6ede9; --card:#ffffff; --card-2:#f3f7f5; --hair:rgba(21,34,28,.10); --hair-2:rgba(21,34,28,.18);
  --text:#15221c; --text-2:rgba(21,34,28,.68); --text-3:rgba(21,34,28,.45);
  --bone:#5b6b63; --shadow:0 30px 80px rgba(21,34,28,.14);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .5s,color .5s}
a{color:inherit;text-decoration:none}
::selection{background:var(--green);color:#000}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}
.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.03em;line-height:1.02;text-wrap:balance}
h2{font-size:clamp(36px,5.2vw,64px)}
p{text-wrap:pretty}
.g{color:var(--green)}
.muted{color:var(--text-2)}
img{max-width:100%}

/* ───────────────────────── nav ───────────────────────── */
nav{position:fixed;inset:0 0 auto 0;z-index:50;height:76px;display:flex;align-items:center;transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
nav.scrolled{background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(18px) saturate(1.4);border-color:var(--hair)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:flex-end;gap:10px}
.brand svg{height:26px;width:110px;display:block;color:var(--text)}
.brand .ai{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--green);padding:3px 8px;border:1px solid var(--green-line);border-radius:999px;line-height:1;background:var(--green-soft)}
.brand .crumb{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);padding-bottom:2px;display:inline-flex;align-items:center;gap:10px}
.brand .crumb::before{content:"/";color:var(--text-3)}
.links{display:flex;align-items:center;gap:28px;font-size:15px;color:var(--text-2)}
.links a{transition:color .2s}.links a:hover{color:var(--text)}
.links .ext{white-space:nowrap}
.links .ext::after{content:" ↗";color:var(--green)}
.toggle{width:52px;height:30px;border-radius:999px;border:1px solid var(--hair-2);background:var(--card);position:relative;cursor:pointer;padding:0;display:inline-flex;align-items:center;transition:background .3s,border-color .3s}
.toggle i{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--green);transition:transform .35s var(--ease),background .3s;display:grid;place-items:center}
html[data-theme="light"] .toggle i{transform:translateX(22px)}
.toggle svg{width:13px;height:13px;color:#000;stroke:#000}
html[data-theme="light"] .toggle svg{color:#fff;stroke:#fff}
.toggle .sun{display:none}html[data-theme="light"] .toggle .sun{display:block}
html[data-theme="light"] .toggle .moon{display:none}
@media(max-width:760px){.links a:not(.ext){display:none}.brand .crumb{display:none}}

/* ───────────────────────── buttons + pills ───────────────────────── */
.btn{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s,background .25s,border-color .25s,color .25s;cursor:pointer;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--green);color:#000;box-shadow:0 10px 30px -8px rgba(22,220,118,.55)}
.btn.primary:hover{box-shadow:0 18px 40px -10px rgba(22,220,118,.7)}
.btn.ghost{border-color:var(--green-line);color:var(--green);background:transparent}
.btn.ghost:hover{background:var(--green-soft)}
.btn .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;opacity:.7}
.btn svg{width:18px;height:18px}
.pill{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:6px 10px;border-radius:999px;border:1px solid var(--hair-2);color:var(--text-2);display:inline-flex;align-items:center;gap:7px;line-height:1}
.pill.live{border-color:var(--green-line);color:var(--green);background:var(--green-soft)}
.pill.live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(22,220,118,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,220,118,.55)}70%{box-shadow:0 0 0 8px rgba(22,220,118,0)}100%{box-shadow:0 0 0 0 rgba(22,220,118,0)}}

/* ───────────────────────── sections + reveal ───────────────────────── */
section{position:relative;padding:120px 0}
.sec-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;margin-bottom:56px}
.sec-head p{max-width:520px;color:var(--text-2);margin:0}
@media(max-width:760px){.sec-head{grid-template-columns:1fr}}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ───────────────────────── product hero ───────────────────────── */
.phero{position:relative;padding:160px 0 0;overflow:hidden}
.phero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 560px at 72% -12%,rgba(22,220,118,.16),transparent 62%);pointer-events:none}
html[data-theme="light"] .phero::before{background:radial-gradient(900px 560px at 72% -12%,rgba(14,175,98,.14),transparent 62%)}
.phero .wrap{position:relative}
.eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:26px;opacity:0;animation:fade .8s .1s var(--ease) forwards}
.eyebrow .sep{color:var(--text-3);font-family:var(--mono);font-size:12px}
@media(max-width:560px){.eyebrow .sep{display:none}}
/* the product wordmark, in the style of the Signal app's own mark: letter-spaced caps opening on the Clixsy hockey-stick S */
.prod{font-weight:500;font-size:21px;letter-spacing:.34em;display:inline-flex;align-items:center;gap:10px;line-height:1}
.prod .sglyph{width:.72em;height:.82em;fill:var(--green);stroke:none;flex-shrink:0;margin-right:-.06em;filter:drop-shadow(0 0 8px rgba(22,220,118,.7))}
.prod svg{width:22px;height:22px;stroke:var(--green);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 8px rgba(22,220,118,.7))}
.phero h1{font-size:clamp(44px,7.2vw,100px);font-weight:600;letter-spacing:-.04em;line-height:.96}
.phero h1 .line{display:block;overflow:hidden;padding-bottom:.12em;margin-bottom:-.12em}
.phero h1 .line span{display:inline-block;transform:translateY(110%);animation:rise 1s .2s var(--ease) forwards}
.phero h1 .line:nth-child(2) span{animation-delay:.3s}
@keyframes rise{to{transform:none}}
@keyframes fade{to{opacity:1}}
.phero .lede{font-size:clamp(17px,1.6vw,21px);color:var(--text-2);max-width:600px;margin:28px 0 36px;opacity:0;animation:fade .9s .6s var(--ease) forwards}
.ctas{display:flex;flex-wrap:wrap;gap:12px;opacity:0;animation:fade .9s .75s var(--ease) forwards}
.phero .note{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);opacity:0;animation:fade .9s .9s var(--ease) forwards}

/* ───────────────────────── screenshot frames ───────────────────────── */
.shot{position:relative;margin:0;border-radius:18px;border:1px solid var(--hair-2);background:var(--card);box-shadow:var(--shadow);overflow:hidden}
.shot .bar{height:38px;display:flex;align-items:center;gap:6px;padding:0 14px;border-bottom:1px solid var(--hair);background:var(--card-2);position:relative}
.shot .bar i{width:10px;height:10px;border-radius:50%;background:var(--hair-2)}
.shot .bar span{position:absolute;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);white-space:nowrap}
.shot img{display:block;width:100%;height:auto}
.shot.crop{aspect-ratio:16/10.4}
.shot.crop img{position:absolute;inset:38px 0 0;width:100%;height:calc(100% - 38px);object-fit:cover;object-position:top}
.hero-shot{margin-top:72px;perspective:1800px;position:relative;opacity:0;animation:fade 1.2s .5s var(--ease) forwards}
.hero-shot .shot{transform:rotateX(9deg);transform-origin:50% 0;animation:flatten 1.8s .5s var(--ease) forwards;box-shadow:0 60px 140px -40px rgba(22,220,118,.35),var(--shadow)}
@keyframes flatten{to{transform:none}}
.hero-shot::after{content:"";position:absolute;left:0;right:0;bottom:0;height:34%;background:linear-gradient(to bottom,transparent,var(--bg));pointer-events:none}

/* ───────────────────────── sources strip ───────────────────────── */
.sources{border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:26px 0;background:var(--bg-2)}
.sources .wrap{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center;justify-content:center}
.sources .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-3);margin-right:10px}
.chip{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;padding:7px 12px;border:1px solid var(--hair-2);border-radius:999px;color:var(--text-2);background:var(--card);white-space:nowrap}

/* ───────────────────────── proof strip ───────────────────────── */
.proof{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--hair)}
.proof>div{padding:34px 28px 0 0;border-right:1px solid var(--hair);margin-right:28px}
.proof>div:last-child{border-right:0;margin-right:0}
.proof .rule{width:0;height:2px;background:var(--green);margin-bottom:22px;transition:width .9s var(--ease)}
.in .proof .rule{width:44px}
.proof .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px}
.proof h3{font-size:clamp(26px,2.8vw,38px);line-height:1.05}
.proof h3 em{font-style:normal;color:var(--green);font-size:.5em;display:block;margin-top:8px;letter-spacing:-.01em;font-weight:500}
@media(max-width:960px){.proof{grid-template-columns:1fr 1fr}.proof>div:nth-child(2){border-right:0;margin-right:0}.proof>div{padding-bottom:10px}}
@media(max-width:560px){.proof{grid-template-columns:1fr}.proof>div{border-right:0;margin-right:0}}

/* ───────────────────────── feature rows ───────────────────────── */
.feats{padding:40px 0 60px}
.feat{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:56px;align-items:center;padding:64px 0}
.feat.flip .feat-copy{order:2}
.feat-copy .mono{display:block;margin-bottom:16px}
.feat-copy h2{font-size:clamp(32px,4vw,54px)}
.feat-copy p{color:var(--text-2);font-size:18px;margin:18px 0 0}
.feat ul{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}
.feat li{display:flex;gap:14px;align-items:flex-start;color:var(--text-2);font-size:16px}
.feat li b{color:var(--text);font-weight:600}
.feat li .n{font-family:var(--mono);font-size:11px;color:var(--green);margin-top:5px;letter-spacing:.1em;flex:none}
.feat .shot{transition:transform .6s var(--ease),box-shadow .6s}
.feat .shot:hover{transform:translateY(-6px);box-shadow:0 40px 100px -30px rgba(22,220,118,.3),var(--shadow)}
@media(max-width:960px){.feat,.feat.flip{grid-template-columns:1fr;gap:32px;padding:44px 0}.feat.flip .feat-copy{order:0}}

/* ───────────────────────── small feature grid ───────────────────────── */
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:18px}
.fcard{border-radius:var(--radius);border:1px solid var(--hair);background:var(--card);overflow:hidden;display:flex;flex-direction:column;transition:border-color .3s,transform .4s var(--ease),box-shadow .4s}
.fcard:hover{border-color:var(--green-line);transform:translateY(-4px);box-shadow:var(--shadow)}
.fcard .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--hair);position:relative;background:var(--card-2)}
.fcard .thumb img{position:absolute;left:0;top:0;width:190%;max-width:none;height:auto;margin:-2% 0 0 -34%;display:block;transition:transform .8s var(--ease)}
.fcard:hover .thumb img{transform:translateY(-3%)}
.fcard .thumb::after{content:"";position:absolute;inset:auto 0 0 0;height:40%;background:linear-gradient(to bottom,transparent,var(--card))}
.fcard .body{padding:22px 24px 26px}
.fcard .mono{display:block;margin-bottom:10px;font-size:11px}
.fcard h3{font-size:22px;margin-bottom:8px;letter-spacing:-.02em}
.fcard p{color:var(--text-2);font-size:15px;margin:0}

/* ───────────────────────── plumbing steps ───────────────────────── */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.step{padding:28px 26px 30px;border-radius:var(--radius);border:1px solid var(--hair);background:var(--card-2);position:relative}
.step .n{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--green);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.step .n::after{content:"";flex:1;height:1px;background:var(--green-line)}
.step h3{font-size:22px;margin-bottom:10px;letter-spacing:-.02em}
.step p{color:var(--text-2);font-size:15px;margin:0}
@media(max-width:960px){.flow{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.flow{grid-template-columns:1fr}}

/* ───────────────────────── faq ───────────────────────── */
.faq{max-width:780px;margin:0 auto}
.faq details{border-top:1px solid var(--hair);padding:22px 0}
.faq details:last-child{border-bottom:1px solid var(--hair)}
.faq summary{cursor:pointer;font-size:20px;font-weight:600;letter-spacing:-.02em;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--green);font-size:24px;line-height:1;transition:transform .3s var(--ease);flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--text-2);margin:14px 0 0;max-width:660px}

/* ───────────────────────── cta band ───────────────────────── */
.ctaband{background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);border-top:1px solid var(--hair);text-align:center}
.ctaband h2{max-width:16ch;margin:0 auto}
.ctaband p{color:var(--text-2);margin:22px auto 34px;max-width:560px;font-size:18px}
.ctaband .ctas{justify-content:center;opacity:1;animation:none}

/* ───────────────────────── footer ───────────────────────── */
/* footer, lifted from the clixsy.com footer: one thing on the left, address and contact on the right */
footer{border-top:1px solid var(--hair);padding:64px 0 36px}
footer .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,2fr);gap:48px 40px;align-items:start}
footer .brand svg{height:22px;width:93px}
footer .f-say{color:var(--text-2);font-size:15px;line-height:1.6;margin:22px 0 0;max-width:34ch}
footer .f-say b{color:var(--text);font-weight:600;display:block}
footer .f-say .dbr{display:none}
@media(min-width:861px){footer .f-say .dbr{display:inline}}
footer .social{display:flex;gap:14px;margin-top:24px}
footer .social a{width:34px;height:34px;border-radius:10px;border:1px solid var(--hair-2);display:grid;place-items:center;color:var(--text-2);transition:color .2s,border-color .2s,transform .2s var(--ease)}
footer .social a:hover{color:var(--green);border-color:var(--green-line);transform:translateY(-2px)}
footer .social svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
footer .social .xi svg{fill:currentColor;stroke:none}
footer .f-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
footer .f-cols h4{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--green);font-weight:400;margin:0 0 16px}
footer .f-cols address,footer .f-cols .lk{font-style:normal;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-2);line-height:1.5}
footer .f-cols a:hover{color:var(--text)}
footer .f-cols .lk a{width:fit-content}
footer .fine{grid-column:1/-1;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-top:16px;padding-top:20px;border-top:1px solid var(--hair)}
@media(max-width:860px){footer .wrap{grid-template-columns:1fr}footer .f-cols{grid-template-columns:1fr 1fr}}
@media(max-width:480px){footer .f-cols{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;animation-delay:0s!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
  .hero-shot .shot{transform:none}
}