/* Sygnify site. Brand tokens: Ink #101A2C, Signal Teal #1AA79C (shapes only on light), Deep Teal #0F7F76
   (text on light), Amber #E8A33D (once per view), Mist #E6F4F2, Paper #F6F8F8. No dashes in copy. */
:root{
  --ink:#101A2C; --ink2:#0B1322; --teal:#1AA79C; --glow:#5FD4C9; --deep:#0F7F76; --amber:#E8A33D;
  --mist:#E6F4F2; --paper:#F6F8F8; --line:#DCE5E4; --sub:#4A5568; --dsub:#9FB0C0;
  --font:"Manrope","Segoe UI",system-ui,sans-serif; --mono:"IBM Plex Mono",Consolas,monospace;
  --gut:clamp(16px,5.5vw,80px); --r-card:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;overflow-x:hidden}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.022em;line-height:1.1;text-wrap:balance}
h2{font-size:clamp(30px,3.6vw,46px)}
h3{font-size:21px}
p{margin:0}
img,video{max-width:100%;display:block}
a{color:inherit}
.mono{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;font-size:12px}
.eyebrow{color:var(--deep);margin-bottom:14px}
.eyebrow-glow{color:var(--glow);margin-bottom:14px}
.eyebrow-amber{color:var(--amber);margin-bottom:14px;position:relative}
.center{text-align:center}
.sub{font-size:18px;color:var(--sub);max-width:680px;margin:16px auto 0}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;text-decoration:none;white-space:nowrap;transition:transform .2s ease,background .2s ease,box-shadow .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--glow);outline-offset:3px}
.btn-teal{background:var(--teal);color:var(--ink)}
.btn-teal:hover{box-shadow:0 0 0 6px rgba(26,167,156,.2)}
.btn-line{border:1.5px solid rgba(255,255,255,.45);color:#fff}
.btn-white{background:#fff;color:var(--ink)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:18px var(--gut);transition:background .3s ease,padding .3s ease,box-shadow .3s ease}
.nav.solid{background:rgba(11,19,34,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding-block:12px;box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-logo img{height:31px;width:auto}
.nav-links{display:flex;gap:32px;font-weight:600;font-size:15px}
.nav-links a{color:#C9D4DE;text-decoration:none}
.nav-links a:hover{color:#fff}
.nav .btn{padding:10px 20px}

/* 1. film */
.film{position:relative;height:340vh;background:var(--ink2);color:#fff}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.film-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;max-width:none}
.film-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,19,34,.9) 0%,rgba(11,19,34,.5) 42%,rgba(11,19,34,0) 72%),linear-gradient(0deg,var(--ink2) 0%,rgba(11,19,34,0) 26%)}
.chap{position:absolute;z-index:2;left:var(--gut);top:50%;transform:translateY(-44%);width:min(640px,calc(100% - 2*var(--gut)));opacity:0;transition:opacity .45s ease,transform .6s ease;pointer-events:none}
.chap.on{opacity:1;transform:translateY(-50%);pointer-events:auto}
.chap h1{font-size:clamp(44px,6vw,80px);line-height:1.02;letter-spacing:-.03em}
.chap h1 em{font-style:normal;color:var(--glow)}
.chap .lead{font-size:clamp(17px,1.5vw,20px);line-height:1.55;color:#C9D4DE;margin-top:24px;max-width:540px}
.ctas{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.cap{font-size:clamp(28px,3.4vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.15;max-width:560px}
.chap-last{top:auto;bottom:14vh;transform:translateY(12px)}
.chap-last.on{transform:none}
.rail{position:absolute;z-index:3;right:var(--gut);top:50%;transform:translateY(-50%);margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:30px;align-items:flex-end}
.rail li{display:flex;align-items:center;gap:14px;color:#8FA0B3;transition:color .3s ease}
.rail i{width:14px;height:14px;border-radius:50%;border:2px solid var(--teal);transition:background .3s ease,box-shadow .3s ease}
.rail li.on{color:#fff}.rail li.on i{background:var(--teal);box-shadow:0 0 16px var(--teal)}
.rail li.end i{border-color:var(--amber)}.rail li.end.on i{background:var(--amber);box-shadow:0 0 16px var(--amber)}
.scroll-hint{position:absolute;z-index:3;left:var(--gut);bottom:40px;color:#8FA0B3;display:flex;align-items:center;gap:12px;transition:opacity .4s ease}
.scroll-hint b{width:26px;height:40px;border:2px solid #56677A;border-radius:14px;position:relative}
.scroll-hint b:after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;border-radius:2px;background:var(--glow);transform:translateX(-50%);animation:hint 1.8s ease-in-out infinite}
@keyframes hint{0%,100%{transform:translate(-50%,0);opacity:1}60%{transform:translate(-50%,12px);opacity:0}}
/* no JS or reduced motion: a still hero, first chapter only */
html:not(.js) .film,.film.still{height:auto}
html:not(.js) .stage,.film.still .stage{position:relative;height:100vh;height:100svh}
html:not(.js) .film-video{background:url(assets/film/hero-film-poster.jpg) center/cover}
.film.still .chap-cap,.film.still .rail,.film.still .scroll-hint,html:not(.js) .chap-cap,html:not(.js) .rail,html:not(.js) .scroll-hint{display:none}

/* 2. landing */
.landing{position:relative;background:linear-gradient(180deg,var(--ink2) 0%,var(--ink2) 22%,var(--paper) 62%);padding:48px var(--gut) 110px;text-align:center}
.thread{position:absolute;left:0;top:-40px;width:100%;height:420px;pointer-events:none}
.landing-head{position:relative;color:#fff;max-width:900px;margin:0 auto}
.landing-head p:last-child{color:#B8C4D0;font-size:18px;margin-top:16px}
.frame{position:relative;margin:56px auto 0;max-width:1180px}
.frame .shot{width:100%;height:auto;border-radius:22px;box-shadow:0 40px 90px rgba(16,26,44,.35),0 0 0 1px rgba(95,212,201,.25)}
.note{position:absolute;background:#fff;border-radius:16px;padding:14px 18px;box-shadow:0 14px 36px rgba(16,26,44,.18);width:250px;text-align:left;font-size:13px;color:var(--sub);line-height:1.45}
.note b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.note i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--amber);margin-bottom:6px}
.n1{left:-70px;top:40px}.n2{right:-70px;top:32%}.n3{left:-40px;bottom:14%}
.proof{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.proof span{border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:600}

/* 3 and 4 */
.sec{padding:100px var(--gut)}
.sec.tight{padding-top:10px}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:56px auto 0;max-width:1280px}
.card{background:#fff;border-radius:var(--r-card);padding:34px;box-shadow:0 1px 0 var(--line),0 18px 40px rgba(16,26,44,.06);text-align:left}
.card .ico{width:54px;height:54px;border-radius:50%;background:var(--mist);display:grid;place-items:center;margin-bottom:22px}
.card h3{margin-bottom:10px}.card p{color:var(--sub);font-size:16px}
.card .when{margin-top:18px;color:var(--deep)}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:52px auto 0;max-width:1280px}
.gal figure{margin:0;background:#fff;border-radius:20px;padding:12px;box-shadow:0 18px 40px rgba(16,26,44,.08);text-align:left}
.gal a{display:block;border-radius:12px;overflow:hidden}
.gal img{width:100%;height:auto;transition:transform .5s ease}
.gal a:hover img{transform:scale(1.03)}
.gal figcaption{padding:14px 6px 4px;font-weight:700;font-size:16px}
.gal figcaption span{display:block;font-weight:500;color:var(--sub);font-size:14px;margin-top:3px}
.demo-note{margin-top:26px;color:var(--sub);font-size:14px}

/* 5. steps */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:64px auto 0;max-width:1280px;text-align:left}
.steps-line{position:absolute;left:0;top:0;width:100%;height:40px}
.step{position:relative;padding-top:58px}
.step:before{content:"";position:absolute;top:10px;left:34px;width:22px;height:22px;border-radius:50%;border:3px solid var(--teal);background:var(--paper)}
.step.end:before{background:var(--amber);border-color:var(--amber)}
.step .box{background:#fff;border-radius:var(--r-card);padding:30px 34px;box-shadow:0 18px 40px rgba(16,26,44,.06);height:100%}
.step h3{margin-bottom:10px}.step p{color:var(--sub)}
.step .m{margin-top:16px;color:var(--deep)}
.owned{margin:34px auto 0;color:var(--sub);font-size:15px;max-width:640px}

/* 6. pricing */
.band{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:36px;margin:20px var(--gut) 0;padding:clamp(34px,5.5vw,80px);
  display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(30px,4vw,60px);align-items:center;scroll-margin-top:90px}
.band:after{content:"";position:absolute;right:-200px;top:-200px;width:700px;height:700px;background:radial-gradient(closest-side,rgba(26,167,156,.35),transparent);pointer-events:none}
.band-copy p:not(.mono){color:#B8C4D0;font-size:18px;margin:16px 0 30px}
.tiers{display:grid;gap:14px;position:relative;z-index:1}
.tier{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.tier.rec{background:rgba(26,167,156,.18);border-color:rgba(26,167,156,.6)}
.tier b{font-size:19px}.tier small{display:block;color:var(--dsub);font-size:14px;margin-top:4px}
.tier .price{font-size:26px;font-weight:800;white-space:nowrap}.tier .price small{display:inline;font-size:14px}
.beyond{grid-column:1/-1;position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.12);padding-top:44px}
.beyond-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.beyond-head h3{font-size:26px}
.beyond-head span{color:var(--dsub);font-size:15px}
.xgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.x{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:28px;display:flex;flex-direction:column}
.xico{width:46px;height:46px;border-radius:50%;background:rgba(26,167,156,.18);display:grid;place-items:center;margin-bottom:18px}
.x h4{font-size:20px}
.x p{color:var(--dsub);font-size:15px;margin-top:10px;line-height:1.55}
.x ul{margin:14px 0 0;padding:0;list-style:none}
.x li{color:#C9D4DE;font-size:14px;padding:6px 0 6px 18px;position:relative}
.x li:before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.x .xprice{margin-top:auto;padding-top:20px;font-size:22px;font-weight:800;color:#fff}
.x .xprice small{font-size:14px;color:var(--dsub);font-weight:600}

/* 7. about */
.about{display:grid;grid-template-columns:minmax(0,620px) 1fr;gap:clamp(36px,5vw,80px);align-items:center;padding:110px var(--gut);max-width:1440px;margin:0 auto}
.agent{position:relative;border-radius:30px;overflow:hidden;aspect-ratio:16/13;box-shadow:0 40px 90px rgba(16,26,44,.28);background:#111}
.agent video{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.agent.playing video{object-fit:contain;background:#000}
.ai{position:absolute;right:22px;top:22px;background:rgba(16,26,44,.72);color:#fff;border-radius:999px;padding:8px 14px;font-size:11px}
.play{position:absolute;left:24px;bottom:24px;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.96);border:0;border-radius:999px;padding:10px 24px 10px 10px;font:inherit;color:var(--ink);cursor:pointer;text-align:left;transition:transform .2s ease,opacity .3s ease}
.play:hover{transform:translateY(-2px)}
.play i{width:48px;height:48px;border-radius:50%;background:var(--teal);display:grid;place-items:center}
.play b{display:block;font-size:16px}.play small{display:block;font-size:13px;color:var(--sub)}
.agent.playing .play{opacity:0;pointer-events:none}
.about-copy p:not(.mono){font-size:18px;color:var(--sub);margin-top:18px}
.path{margin-top:36px;position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.path svg{position:absolute;left:0;top:10px;width:100%;height:30px}
.path div{position:relative;padding-top:46px}
.path div:before{content:"";position:absolute;top:12px;left:0;width:20px;height:20px;border-radius:50%;border:3px solid var(--teal);background:var(--paper)}
.path div.end:before{background:var(--amber);border-color:var(--amber)}
.path b{display:block;font-size:17px;line-height:1.3}.path span{display:block;font-size:14px;color:var(--sub);line-height:1.5;margin-top:4px}

/* 8. close */
.close{position:relative;margin:0 var(--gut) 60px;border-radius:36px;padding:clamp(60px,7vw,100px) clamp(24px,6vw,90px) clamp(90px,9vw,120px);text-align:center;overflow:hidden;
  background:radial-gradient(ellipse at 50% 120%,rgba(26,167,156,.4),transparent 60%),var(--ink2);color:#fff}
.close svg{position:absolute;left:0;bottom:0;width:100%;height:90px}
.close h2{font-size:clamp(32px,4vw,54px);position:relative}
.close p:not(.mono){color:var(--dsub);font-size:18px;margin:16px auto 32px;max-width:640px;position:relative}
.close .btn{position:relative}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:0 var(--gut) 50px;color:var(--sub);font-size:14px}
.foot a{color:var(--deep)}

/* entrance motion: transform and opacity only, content stays in the DOM */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}.scroll-hint b:after{animation:none}}

/* tablet */
@media (max-width:1100px){
  .nav-links{display:none}
  .note{position:static;width:auto}
  .frame .notes{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
  .band{grid-template-columns:1fr}
  .xgrid{grid-template-columns:1fr 1fr}
  .about{grid-template-columns:1fr}
  .agent{max-width:720px}
}
/* phone */
@media (max-width:720px){
  body{font-size:16px}
  .rail,.thread{display:none}
  .film-shade{background:linear-gradient(0deg,rgba(11,19,34,.95) 0%,rgba(11,19,34,.55) 55%,rgba(11,19,34,.25) 100%)}
  .chap{top:auto;bottom:12vh;transform:translateY(12px)}
  .chap.on{transform:none}
  .chap-0{bottom:9vh}
  .ctas .btn{flex:1 1 auto}
  .scroll-hint{display:none}
  .frame .notes,.three,.gal,.steps,.xgrid,.path{grid-template-columns:1fr}
  .steps-line{display:none}
  .step{padding-top:0}.step:before{display:none}
  .path svg{display:none}
  .path div{padding-top:0;padding-left:34px}
  .path div:before{top:2px}
  .band,.close{border-radius:26px}
  .tier{flex-direction:column;align-items:flex-start;gap:8px}
  .card,.step .box,.x{padding:24px}
  .nav .btn{padding:9px 16px;font-size:14px}
  .nav-logo img{height:26px}
}