/* Sentiq landing · layout, hero, sections, scroll transitions */

/* nav */
nav{position:fixed;top:env(safe-area-inset-top,0px);left:0;right:0;z-index:20;transition:background .4s,border-color .4s;border-bottom:1px solid transparent}
nav.solid{background:rgba(6,9,20,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line)}
nav .wrap{display:flex;align-items:center;gap:34px;height:72px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;font-weight:600;font-size:16px;letter-spacing:.16em}
.brand .mark{transition:transform .8s var(--ease)}
.brand:hover .mark{transform:rotate(-12deg) scale(1.08)}
.nl{font-size:14.5px;color:var(--mute);position:relative;transition:color .25s}
.nl::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--fg);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nl:hover{color:var(--fg)}
.nl:hover::after{transform:scaleX(1)}
.progress{position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--core);transform-origin:left;transform:scaleX(0)}
@media (max-width:860px){.nl{display:none}}

/* hero: a 3D picture that stays while the copy scrolls off over it */
.hero{position:relative;height:min(960px,100svh);min-height:640px;display:grid;align-items:center;overflow:hidden;border-bottom:1px solid var(--line);--hp:0}
#hero3d{position:absolute;inset:0;transform:scale(calc(1 + var(--hp) * .06));opacity:calc(1 - var(--hp) * .85);will-change:transform,opacity}
#hero3d .hero-gl{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:72px}
.hero-copy{max-width:640px;display:grid;gap:30px;transform:translateY(calc(var(--hp) * -90px));opacity:calc(1 - var(--hp) * 1.6);will-change:transform,opacity}
.hero h1{font-size:clamp(46px,6.8vw,96px);line-height:.98;letter-spacing:-.045em;font-weight:400}
.hero h1 em{font-size:1.04em;color:var(--core)}
.line{display:block;overflow:hidden;padding-bottom:.08em}
.line > span{display:inline-block}
.anim .line > span{transform:translateY(105%);animation:rise 1.1s var(--ease) forwards}
.anim .line:nth-child(2) > span{animation-delay:.12s}
.anim .line:nth-child(3) > span{animation-delay:.24s}
@keyframes rise{to{transform:none}}
.anim .fade-in{opacity:0;animation:fadeup 1s var(--ease) .55s forwards}
.anim .fade-in.d2{animation-delay:.7s}
.anim .fade-in.d3{animation-delay:.85s}
@keyframes fadeup{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(28px,5vw,64px);flex-wrap:wrap;padding-top:8px}
.hs b{display:block;font:300 36px/1.1 var(--sans);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.hs span{font:400 12px var(--mono);color:var(--mute);letter-spacing:.04em}
.hero-note{position:absolute;right:max(20px,env(safe-area-inset-right,0px));bottom:28px;z-index:2;font:400 11px var(--mono);color:var(--faint);letter-spacing:.08em;text-transform:uppercase;display:flex;gap:10px;align-items:center}
.hero-note i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(61,214,160,.6);animation:ring2 2s var(--ease) infinite}
@keyframes ring2{to{box-shadow:0 0 0 10px rgba(61,214,160,0)}}
.hero-scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;width:1px;height:48px;background:linear-gradient(var(--fg),transparent);opacity:calc(.5 - var(--hp));overflow:hidden}
.hero-scroll::after{content:"";position:absolute;inset:0;background:var(--bg);animation:drop 1.8s var(--ease) infinite}
@keyframes drop{from{transform:translateY(-100%)}to{transform:translateY(100%)}}
@media (max-width:860px){#hero3d{opacity:calc(.6 - var(--hp) * .6)}.hero-note,.hero-scroll{display:none}.hero{height:auto;min-height:100svh;padding-block:120px 72px}}

/* ticker */
.ticker{border-bottom:1px solid var(--line);overflow:hidden;position:relative}
.ticker-track{display:flex;width:max-content;animation:tick 70s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.still .ticker-track{animation:none}
@keyframes tick{to{transform:translateX(-50%)}}
.ti{display:flex;align-items:center;gap:10px;padding:16px 28px;font:400 13px var(--mono);color:var(--mute);white-space:nowrap;border-right:1px solid var(--line)}
.ti b{color:var(--fg);font-weight:500}
.ti i{width:6px;height:6px;border-radius:50%;background:var(--c);flex:none}

/* sections and their entrance */
section{padding-block:clamp(88px,12vw,160px);position:relative}
.sec-head{display:grid;gap:22px;margin-bottom:clamp(44px,6vw,72px);max-width:820px}
.sec-rule{position:absolute;top:0;left:max(20px,env(safe-area-inset-left,0px));right:max(20px,env(safe-area-inset-right,0px));height:1px;background:var(--line2);transform:scaleX(0);transform-origin:left;transition:transform 1.4s var(--ease)}
.sec.in .sec-rule{transform:scaleX(1)}
.h2 .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.1em;margin-bottom:-.1em}
.h2 .w > span{display:inline-block}
.anim .h2 .w > span{transform:translateY(110%);transition:transform 1s var(--ease);transition-delay:var(--wd,0s)}
.anim .sec.in .h2 .w > span{transform:none}
.still .h2 .w > span{transform:none}

/* scanner section */
.scan-sec{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,7vw,110px);align-items:start}
.scan-sec .sec-head{margin:0;position:sticky;top:120px}
@media (max-width:960px){.scan-sec{grid-template-columns:1fr}.scan-sec .sec-head{position:static}}

/* story: the agent's four moves, a sticky figure that changes with each step */
.story{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px)}
.story-fig{position:sticky;top:96px;height:min(640px,calc(100svh - 140px));display:grid;place-items:center}
.story-fig svg{width:100%;max-width:520px;height:auto;overflow:visible}
.steps{display:grid}
.step{min-height:78svh;display:grid;align-content:center;gap:18px;padding-block:40px;opacity:.28;transform:translateX(0);transition:opacity .6s var(--ease)}
.step.on{opacity:1}
.still .step{opacity:1}
.step .n{font:500 12px var(--mono);color:var(--core);letter-spacing:.1em}
.step h3{font-size:clamp(28px,3.2vw,42px);line-height:1.08;letter-spacing:-.03em}
.step p{color:var(--mute);font-size:17px;max-width:44ch}
.step q{display:block;font:400 15px var(--mono);color:var(--fg);border-left:2px solid var(--core);padding:4px 0 4px 14px;quotes:none;margin-top:6px}
@media (max-width:900px){
  .story{grid-template-columns:1fr;gap:0}
  .story-fig{top:72px;height:300px;z-index:3;background:var(--bg);border-bottom:1px solid var(--line)}
  .story-fig svg{max-width:300px}
  .step{min-height:60svh}
}
/* figure parts */
#fig .lane{stroke:var(--blue);stroke-width:1;opacity:.18}
#fig .blk{fill:rgba(91,140,255,.16);stroke:var(--blue);stroke-width:1.2;opacity:.4;transition:opacity .8s var(--ease)}
#fig .blk.bad{fill:rgba(255,92,122,.18);stroke:var(--core);transition:fill .6s,stroke .6s,transform 1.2s var(--ease),opacity .6s}
#fig .scan{stroke:var(--blue);stroke-width:1;opacity:0;transition:opacity .8s}
#fig .lid{fill:none;stroke:var(--blue);stroke-width:3;stroke-linejoin:round;opacity:.35;transition:opacity .8s var(--ease)}
#fig .iris{fill:none;stroke:var(--blue);stroke-width:1.5;opacity:.35;transition:opacity .8s}
#fig .core-ring{fill:var(--bg);stroke:var(--core);stroke-width:5}
#fig .core{fill:var(--core)}
#fig .pulse{fill:none;stroke:var(--core);stroke-width:1.5;opacity:0;transform-origin:290px 200px;transform-box:view-box}
#fig .wal{fill:var(--bg);stroke:var(--core);stroke-width:3;opacity:0;transition:opacity .8s}
#fig .wal-c{fill:var(--core);opacity:0;transition:opacity .8s}
#fig .shield{fill:none;stroke:var(--blue);stroke-width:1.2;stroke-dasharray:3 9;opacity:0;transform-origin:110px 300px;transform-box:view-box;transition:opacity .8s}
#fig .link{stroke:var(--blue);stroke-width:1.5;opacity:0;stroke-dasharray:260;stroke-dashoffset:260;transition:opacity .6s,stroke-dashoffset 1.4s var(--ease)}
#fig .tag{font:500 13px var(--mono);fill:var(--core);opacity:0;transition:opacity .6s var(--ease)}
#fig .tag2{font:500 13px var(--mono);fill:var(--ok);opacity:0;transition:opacity .6s var(--ease)}
.anim #fig .blk{animation:flow 9s linear infinite;animation-delay:var(--d,0s)}
.anim #fig .blk.bad{animation:none}
@keyframes flow{from{transform:translateX(-60px)}to{transform:translateX(420px)}}
#fig.s1 .lid,#fig.s2 .lid,#fig.s3 .lid,#fig.s4 .lid{opacity:1}
#fig.s1 .iris,#fig.s2 .iris,#fig.s3 .iris,#fig.s4 .iris{opacity:.9}
#fig.s1 .scan,#fig.s2 .scan,#fig.s3 .scan,#fig.s4 .scan{opacity:.6}
#fig.s1 .blk,#fig.s2 .blk,#fig.s3 .blk,#fig.s4 .blk{opacity:.9}
#fig.s2 .blk.bad,#fig.s3 .blk.bad{fill:rgba(255,92,122,.3);stroke:var(--core)}
#fig.s2 .tag,#fig.s3 .tag{opacity:1}
#fig.s2 .pulse,#fig.s3 .pulse,#fig.s4 .pulse{animation:pulse 2.4s var(--ease) infinite}
#fig.s3 .wal,#fig.s4 .wal,#fig.s3 .wal-c,#fig.s4 .wal-c{opacity:1}
#fig.s3 .shield,#fig.s4 .shield{opacity:.8;animation:spin 40s linear infinite}
#fig.s3 .link,#fig.s4 .link{opacity:.7;stroke-dashoffset:0}
#fig.s4 .blk.bad{transform:translate(60px,150px) rotate(18deg);opacity:0}
#fig.s4 .tag2{opacity:1}
.still #fig .shield,.still #fig .pulse{animation:none}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(2.6)}}

/* the agent's voice */
.voice{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.vc{padding:34px 28px 34px 0;display:grid;gap:16px;align-content:start}
.vc + .vc{padding-left:28px;border-left:1px solid var(--line)}
.vc .k{font:500 12px var(--mono);color:var(--core);letter-spacing:.14em;text-transform:uppercase}
.vc h3{font-size:clamp(26px,2.6vw,34px);letter-spacing:-.03em;line-height:1.1}
.vc p{color:var(--mute);font-size:15.5px}
.vc q{display:block;font:400 14.5px var(--mono);color:var(--fg);quotes:none;min-height:3.2em}
.vc q::after{content:"";display:inline-block;width:7px;height:1em;background:var(--core);vertical-align:-2px;margin-left:3px;animation:blink 1s steps(2) infinite}
.vc q.done::after{display:none}
.still .vc q::after{display:none}
@media (max-width:900px){.voice{grid-template-columns:1fr}.vc,.vc + .vc{padding:26px 0;border-left:0;border-top:1px solid var(--line)}.vc q{min-height:0}}

/* module index */
.mods{display:grid;grid-template-columns:repeat(2,1fr);column-gap:clamp(32px,6vw,90px);border-top:1px solid var(--line)}
.mod{display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:baseline;padding:26px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;cursor:pointer;width:100%;position:relative;color:inherit}
.mod::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--fg);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.mod:hover::after{transform:scaleX(1)}
.mod .i{font:400 12px var(--mono);color:var(--faint)}
.mod .mt{display:block;font-size:clamp(21px,2vw,26px);letter-spacing:-.02em;line-height:1.2;transition:transform .45s var(--ease)}
.mod:hover .mt{transform:translateX(6px)}
.mod .md{display:block;font-size:14.5px;color:var(--mute);margin-top:6px}
.mod .t{font:400 11.5px var(--mono);color:var(--mute);white-space:nowrap}
.mod .t.h{color:var(--blue)}
.mod .star{color:var(--core);font-size:.5em;vertical-align:.6em;margin-left:6px}
@media (max-width:760px){.mods{grid-template-columns:1fr}.mod{grid-template-columns:36px 1fr auto}}

/* panel teaser */
.teaser{border:1px solid var(--line2);border-radius:18px;overflow:hidden;background:var(--surface);position:relative;transform:perspective(1400px) rotateX(calc(8deg - var(--tp,0) * 8deg)) translateY(calc(30px - var(--tp,0) * 30px));transform-origin:top center;transition:transform .2s linear}
.still .teaser{transform:none}
.teaser img{display:block;width:100%;height:auto}
.teaser .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font:400 12px var(--mono);color:var(--mute)}
.teaser .bar i{width:10px;height:10px;border-radius:50%;background:var(--raise)}
.teaser .body{display:grid;grid-template-columns:220px 1fr;min-height:360px}
.teaser .rail{border-right:1px solid var(--line);padding:16px 12px;display:grid;gap:2px;align-content:start;font-size:14px;color:var(--mute)}
.teaser .rail span{padding:8px 12px;border-radius:8px}
.teaser .rail span.on{color:var(--fg);background:var(--raise)}
.teaser .main{padding:24px;display:grid;gap:18px;align-content:start}
.teaser .cta-over{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(transparent,rgba(6,9,20,.75));opacity:0;transition:opacity .4s}
.teaser:hover .cta-over{opacity:1}
@media (max-width:760px){.teaser .body{grid-template-columns:1fr}.teaser .rail{display:none}}

/* telegram */
.tg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tg{border:1px solid var(--line);border-radius:16px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;min-width:0;background:var(--surface)}
.tg-h{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);font-size:14.5px;font-weight:500}
.tg-h .av{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font:600 12px var(--sans);flex:none;background:var(--raise);color:var(--fg)}
.tg-h .av svg{width:22px;height:22px}
.tg-h small{display:block;color:var(--mute);font-size:12px;font-weight:400}
.tg-b{padding:16px;display:grid;gap:10px;align-content:end;min-height:300px}
.b{background:var(--raise);border-radius:14px;padding:11px 14px;font-size:14px;line-height:1.55;max-width:94%;transition:opacity .6s var(--ease),transform .6s var(--ease)}
.b .who{font-weight:600;font-size:12.5px;color:var(--blue);display:block;margin-bottom:2px}
.b .who.bot{color:var(--core)}
.b code{font:400 12px var(--mono);color:var(--mute);word-break:break-all}
.b .btns{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.b .btns span{font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--line2)}
.anim .tg:not(.play) .b{opacity:0;transform:translateY(12px)}
@media (max-width:1000px){.tg-grid{grid-template-columns:1fr}}

/* access */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.tier{padding:32px 28px 8px 0;display:grid;gap:18px;align-content:start;position:relative}
.tier + .tier{padding-left:28px;border-left:1px solid var(--line)}
.tier.hl::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--core);transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease) .3s}
.sec.in .tier.hl::before{transform:scaleX(1)}
.tier h3{font-size:30px;letter-spacing:-.03em}
.tier .req{font:400 13px var(--mono);color:var(--mute)}
.tier ul{margin:0;padding:0;list-style:none;display:grid;gap:10px;font-size:15.5px}
.tier li{display:flex;gap:12px;color:#C5CCDD}
.tier li::before{content:"—";color:var(--faint)}
@media (max-width:900px){.tiers{grid-template-columns:1fr}.tier,.tier + .tier{padding:28px 0;border-left:0;border-top:1px solid var(--line)}}

/* roadmap */
.road{position:relative;display:grid;grid-template-columns:repeat(4,1fr)}
.road-line{position:absolute;left:0;right:0;top:7px;height:1px;background:var(--line)}
.road-line i{position:absolute;inset:0;background:var(--core);transform-origin:left;transform:scaleX(0)}
.still .road-line i{transform:scaleX(1)}
.ph-c{position:relative;padding:36px 24px 36px 0;display:grid;gap:10px;align-content:start}
.ph-c::before{content:"";position:absolute;top:2px;left:0;width:11px;height:11px;border-radius:50%;background:var(--bg);border:1px solid var(--line2);transition:background .5s,border-color .5s}
.ph-c.lit::before{background:var(--core);border-color:var(--core)}
.ph-c .f{font:500 12px var(--mono);color:var(--mute)}
.ph-c h3{font-size:19px;letter-spacing:-.015em;font-weight:500}
.ph-c p{font-size:14.5px;color:var(--mute);line-height:1.55}
@media (max-width:1000px){.road{grid-template-columns:1fr 1fr}.road-line{display:none}}
@media (max-width:560px){.road{grid-template-columns:1fr}}

/* closing */
.closing{border-top:1px solid var(--line);overflow:hidden}
.closing .big{font-size:clamp(46px,8vw,128px);line-height:.95;letter-spacing:-.05em}
.closing .row2{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;margin-top:48px}
.closing .mark-big{width:160px;height:160px;filter:drop-shadow(0 0 24px rgba(255,255,255,.35))}
.closing .mark-big .rays{transform-origin:128px 128px;animation:rays 14s linear infinite}
@keyframes rays{to{transform:rotate(360deg)}}
.still .closing .rays{animation:none}
.closing .mark-big .pulse-c{transform-origin:128px 128px;animation:pulse2 2.6s var(--ease) infinite}
.still .closing .pulse-c{animation:none;opacity:0}
@keyframes pulse2{0%{opacity:.9;transform:scale(1)}100%{opacity:0;transform:scale(3.2)}}
footer{border-top:1px solid var(--line);padding-block:32px;color:var(--mute);font-size:13.5px}
footer .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between}