html,body{overflow-x:hidden;overflow-x:clip}
:root{
  --ink:#05060F;
  --ink2:#0B0E1D;
  --card:#0E1226;
  --line:rgba(255,255,255,.08);
  --text:#F2F4FF;
  --muted:#98A0C2;
  --violet:#7C6CFF;
  --pink:#FF5C9E;
  --cyan:#4DE8C2;
  --grad:linear-gradient(100deg,var(--cyan),var(--violet) 45%,var(--pink));
  --font-display:'Karantina',sans-serif;
  --font-body:'Heebo',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--violet);color:#fff}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- intro (once per session) ---------- */
.intro{
  position:fixed;inset:0;z-index:200;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  animation:introOut .6s ease 1.5s forwards;
}
.intro-logo{
  font-family:var(--font-display);font-weight:700;font-size:clamp(72px,18vw,160px);
  letter-spacing:.02em;line-height:1;
  animation:introIn 1.2s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes introIn{from{opacity:0;transform:scale(.85);filter:blur(14px)}to{opacity:1;transform:scale(1);filter:blur(0)}}
@keyframes introOut{to{opacity:0;visibility:hidden}}
body.no-intro .intro{display:none}

/* ---------- shared bits ---------- */
.ai-chip{
  display:inline-block;font-family:var(--font-body);font-weight:800;
  font-size:.42em;line-height:1;padding:.18em .45em .22em;border-radius:.6em;
  background:var(--grad);color:#05060F;vertical-align:.42em;letter-spacing:.03em;
}
.grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.label{
  font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:18px;
  display:inline-block;padding:7px 16px;border:1px solid rgba(77,232,194,.25);border-radius:99px;
  background:rgba(77,232,194,.06);
}
.section{padding:110px 22px;max-width:1180px;margin:0 auto;position:relative}
.section.alt::before{
  content:"";position:absolute;inset:40px -40px;background:radial-gradient(60% 60% at 50% 40%,rgba(124,108,255,.07),transparent 70%);
  pointer-events:none;
}
.section-title{
  font-family:var(--font-display);font-weight:700;line-height:.95;
  font-size:clamp(56px,9vw,110px);letter-spacing:.01em;margin-bottom:22px;
}
.section-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-sub{color:var(--muted);font-size:clamp(16px,2.4vw,19px);line-height:1.75;max-width:640px;margin-bottom:56px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;right:0;left:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;transition:background .4s,box-shadow .4s,backdrop-filter .4s;
}
.nav.scrolled{background:rgba(5,6,15,.75);backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--line)}
.nav-logo{font-family:var(--font-display);font-weight:700;font-size:40px;line-height:1}
.nav-links{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.nav-links a{color:var(--muted);transition:color .3s}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  color:#05060F!important;background:var(--grad);font-weight:700;
  padding:10px 22px;border-radius:99px;transition:transform .3s,box-shadow .3s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(124,108,255,.4)}
.nav-burger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:110}
.nav-burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:120px 22px 80px;position:relative;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.orb-a{width:46vw;height:46vw;background:#7C6CFF;top:-14%;inset-inline-start:-10%;animation:drift 22s ease-in-out infinite alternate}
.orb-b{width:38vw;height:38vw;background:#FF5C9E;bottom:-16%;inset-inline-end:-8%;animation:drift 26s ease-in-out infinite alternate-reverse}
.orb-c{width:26vw;height:26vw;background:#4DE8C2;top:38%;inset-inline-start:56%;opacity:.28;animation:drift 30s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(6vw,-4vh) scale(1.15)}}
.grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(70% 60% at 50% 42%,#000 20%,transparent 100%);
}
.bubble{
  position:absolute;padding:10px 18px;border-radius:18px;font-size:14px;font-weight:500;
  background:rgba(14,18,38,.8);border:1px solid var(--line);backdrop-filter:blur(8px);
  color:var(--muted);animation:floaty 9s ease-in-out infinite;
}
.b1{top:17%;inset-inline-end:9%;animation-delay:0s;border-end-end-radius:4px}
.b2{top:38%;inset-inline-end:26%;animation-delay:2.2s;border-end-end-radius:4px}
.b3{bottom:32%;inset-inline-end:7%;animation-delay:4s;border-end-end-radius:4px}
.b4{bottom:13%;inset-inline-end:20%;animation-delay:6s;border-end-end-radius:4px}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(var(--tilt,0deg))}50%{transform:translateY(-16px) rotate(var(--tilt,0deg))}}
.hero-inner{position:relative;max-width:1180px;margin:0 auto;width:100%}
.overline{
  display:inline-block;font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--cyan);
  border:1px solid rgba(77,232,194,.3);background:rgba(77,232,194,.07);
  padding:9px 20px;border-radius:99px;margin-bottom:34px;
}
.hero-title{display:flex;flex-direction:column;gap:6px}
.hero-line{
  font-family:var(--font-display);font-weight:400;line-height:1;
  font-size:clamp(40px,7vw,84px);color:var(--muted);
}
.hero-line.big{
  font-weight:700;color:var(--text);
  font-size:clamp(84px,12.5vw,200px);line-height:.95;letter-spacing:.005em;
  display:flex;align-items:baseline;gap:.12em;flex-wrap:wrap;
}
.rotator{
  display:inline-block;position:relative;overflow:hidden;vertical-align:bottom;
  min-width:2.2em;height:1em;line-height:1;
  transition:width .55s cubic-bezier(.7,0,.2,1);
}
.rot-word{
  position:absolute;top:0;inset-inline-start:0;
  display:inline-block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform .55s cubic-bezier(.7,0,.2,1),opacity .45s,filter .55s;
  white-space:nowrap;
}
.rot-word.out{transform:translateY(-110%);opacity:0;filter:blur(6px)}
.rot-word.pre{transform:translateY(110%);opacity:0;filter:blur(6px);transition:none}


/* ---------- hero before/after prompt ---------- */
.hero-prompt{
  position:relative;margin-top:44px;max-width:460px;
  background:linear-gradient(160deg,rgba(20,26,56,.9),rgba(9,12,28,.92));
  border:1px solid rgba(124,108,255,.3);border-radius:24px;padding:22px 24px;
  box-shadow:0 26px 70px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.07);
  backdrop-filter:blur(10px);
}
.hp-block{position:relative}
.hp-chip{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.05em;
  padding:4px 12px;border-radius:99px;margin-bottom:10px;
}
.hp-before .hp-chip{background:rgba(255,255,255,.07);color:var(--muted)}
.hp-before p{color:var(--muted);font-size:16px;margin:0;text-decoration:line-through;text-decoration-color:rgba(255,92,158,.6);text-decoration-thickness:1.5px}
.hp-after{margin-top:16px}
.hp-after .hp-chip{background:var(--grad);color:#05060F}
.hp-after p{color:var(--text);font-size:17px;line-height:1.7;margin:0;min-height:88px}
.hp-caret{display:inline-block;width:2px;height:1.05em;background:#4DE8C2;vertical-align:-2px;animation:caretblink 1s steps(1) infinite}
@keyframes caretblink{50%{opacity:0}}
.hp-arrow{
  position:relative;height:3px;margin:18px 4px 4px;border-radius:2px;
  background:linear-gradient(90deg,#FF5C9E,#7C6CFF,#4DE8C2);
}
.hp-dot{
  position:absolute;top:50%;width:11px;height:11px;border-radius:50%;
  background:#4DE8C2;box-shadow:0 0 14px #4DE8C2;transform:translateY(-50%);
  animation:hpulse 2.4s ease-in-out infinite;
}
@keyframes hpulse{0%{inset-inline-start:0}50%{inset-inline-start:calc(100% - 11px)}100%{inset-inline-start:0}}
@media (min-width:900px){
  .hero-prompt{
    position:absolute;top:45%;inset-inline-end:5%;transform:translateY(-50%);
    width:min(430px,36vw);margin-top:0;
  }
}
@media (prefers-reduced-motion:reduce){
  .hp-dot,.hp-caret{animation:none}
}

.hero-rot{
  font-family:'Karantina',sans-serif;font-weight:400;
  font-size:clamp(34px,5.2vw,58px);line-height:1.15;margin:14px 0 0;color:var(--text);
}
.hero-rot .rotator{min-width:2em;transform:translateY(-0.09em)}
.hero-sub{
  color:var(--muted);font-size:clamp(17px,2.6vw,21px);line-height:1.75;
  max-width:560px;margin:34px 0 40px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;padding:16px 34px;border-radius:99px;
  transition:transform .3s,box-shadow .3s,background .3s;
}
.btn-primary{background:var(--grad);color:#05060F;box-shadow:0 10px 34px rgba(124,108,255,.32)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(255,92,158,.4)}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn.big{font-size:18px;padding:20px 48px}
.cta-note{color:var(--muted);font-size:14px;margin-top:18px;opacity:.85}
.scroll-hint{
  position:absolute;bottom:28px;inset-inline-start:50%;transform:translateX(50%);
  width:26px;height:44px;border:2px solid var(--muted);border-radius:14px;opacity:.6;
}
.scroll-hint span{
  position:absolute;top:8px;left:50%;width:4px;height:8px;margin-left:-2px;border-radius:2px;
  background:var(--muted);animation:wheel 1.8s ease-in-out infinite;
}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* ---------- marquee ---------- */
.marquee{
  border-block:1px solid var(--line);padding:20px 0;overflow:hidden;
  background:rgba(255,255,255,.02);
}
.marquee-track{display:flex;width:max-content;animation:marquee 30s linear infinite}
.marquee-track span{
  font-family:var(--font-display);font-weight:400;font-size:clamp(28px,4.5vw,44px);
  white-space:nowrap;color:var(--muted);
}
@keyframes marquee{to{transform:translateX(50%)}}

/* ---------- cards ---------- */
.cards{display:grid;gap:20px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:24px;
  padding:34px 28px;position:relative;overflow:hidden;
  transition:transform .4s cubic-bezier(.2,.7,.2,1),border-color .4s,box-shadow .4s;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:24px;opacity:0;transition:opacity .4s;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 0%,rgba(124,108,255,.14),transparent 60%);
}
.card:hover{transform:translateY(-6px);border-color:rgba(124,108,255,.4);box-shadow:0 20px 50px rgba(0,0,0,.45)}
.card:hover::after{opacity:1}
.card-num{
  font-family:var(--font-display);font-weight:300;font-size:56px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:18px;
}
.card h3{font-size:21px;font-weight:700;margin-bottom:12px}
.card p{color:var(--muted);font-size:15.5px;line-height:1.7}
.svc-icon{
  width:56px;height:56px;border-radius:16px;margin-bottom:20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(124,108,255,.12);color:var(--violet);
}
.svc-icon svg{width:30px;height:30px}
.svc:nth-child(2) .svc-icon{background:rgba(255,92,158,.12);color:var(--pink)}
.svc:nth-child(3) .svc-icon{background:rgba(77,232,194,.12);color:var(--cyan)}
.svc:nth-child(4) .svc-icon{background:rgba(255,194,75,.12);color:#FFC24B}

/* ---------- demos ---------- */
.demo{margin-bottom:72px}
.demo-head{justify-content:flex-end;display:flex;align-items:baseline;gap:16px;margin-bottom:18px}
.demo-head h3{font-family:var(--font-display);font-weight:700;font-size:clamp(38px,6vw,58px);line-height:1}
.demo-tag{
  font-size:12.5px;font-weight:600;color:var(--cyan);
  border:1px solid rgba(77,232,194,.3);padding:5px 14px;border-radius:99px;background:rgba(77,232,194,.06);
}
.demo-note{color:var(--muted);font-size:14.5px;margin-top:14px;line-height:1.6}

.motion-stage{
  position:relative;border-radius:28px;overflow:hidden;
  background:radial-gradient(90% 120% at 50% 0%,#11142e 0%,var(--ink2) 70%);
  border:1px solid var(--line);aspect-ratio:21/9;min-height:260px;
}
#particleCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.motion-fallback{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:clamp(70px,14vw,180px);
}

/* deck */
.deck{
  position:relative;border-radius:28px;overflow:hidden;outline:none;
  background:var(--ink2);border:1px solid var(--line);
  aspect-ratio:16/9;min-height:300px;user-select:none;
}
.deck-progress{position:absolute;top:0;right:0;left:0;height:4px;background:rgba(255,255,255,.06);z-index:5}
.deck-progress-bar{height:100%;width:0;background:var(--grad);transition:width .5s cubic-bezier(.2,.7,.2,1)}
.deck-track{position:absolute;inset:0}
.slide{
  position:absolute;inset:0;padding:clamp(24px,5vw,64px);
  display:flex;flex-direction:column;justify-content:center;gap:18px;
  opacity:0;transform:translateX(-40px) scale(.98);pointer-events:none;
  transition:opacity .55s cubic-bezier(.2,.7,.2,1),transform .55s cubic-bezier(.2,.7,.2,1);
}
.slide.active{opacity:1;transform:none;pointer-events:auto}
.slide h4{font-family:var(--font-display);font-weight:700;line-height:.95;font-size:clamp(44px,7.5vw,96px)}
.slide-kicker{font-size:14px;font-weight:600;letter-spacing:.15em;color:var(--cyan)}
.slide-foot{color:var(--muted);font-size:14px;margin-top:auto}
.s-title{background:radial-gradient(90% 120% at 80% 10%,rgba(124,108,255,.22),transparent 60%),var(--ink2)}
.s-two .slide-cols{display:flex;gap:18px;flex-wrap:wrap}
.slide-box{
  flex:1;min-width:200px;border-radius:18px;padding:22px;
  display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);
}
.slide-box strong{font-size:19px}
.slide-box span{color:var(--muted);font-size:14.5px;line-height:1.6}
.slide-box.bad{background:rgba(255,92,92,.07)}
.slide-box.bad strong{color:#FF8A8A}
.slide-box.good{background:rgba(77,232,194,.07)}
.slide-box.good strong{color:var(--cyan)}
.s-steps .slide-steps{list-style:none;display:flex;flex-direction:column;gap:14px;counter-reset:st}
.slide-steps li{
  display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.03);
  border:1px solid var(--line);border-radius:16px;padding:16px 20px;
}
.slide-steps li b{
  font-family:var(--font-display);font-weight:700;font-size:30px;min-width:110px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.slide-steps li span{color:var(--muted);font-size:15px}
.s-agenda .agenda{list-style:none;display:flex;flex-direction:column;gap:12px}
.agenda li{
  display:flex;align-items:center;gap:16px;font-size:16px;
  border-bottom:1px dashed var(--line);padding-bottom:12px;
}
.agenda .t{
  font-weight:800;color:var(--pink);font-variant-numeric:tabular-nums;min-width:56px;direction:ltr;
}
.s-rules .rules{display:flex;gap:16px;flex-wrap:wrap}
.rule{
  flex:1;min-width:160px;background:rgba(124,108,255,.08);border:1px solid rgba(124,108,255,.25);
  border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:10px;
}
.rule b{
  font-family:var(--font-display);font-size:44px;font-weight:700;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rule p{font-size:14.5px;line-height:1.6;color:var(--text)}
.s-end{align-items:center;text-align:center;background:radial-gradient(80% 100% at 50% 100%,rgba(255,92,158,.18),transparent 65%),var(--ink2)}
.s-end h4{font-size:clamp(80px,14vw,180px)}
.deck-controls{
  position:absolute;bottom:16px;inset-inline-start:16px;z-index:6;
  display:flex;align-items:center;gap:14px;
  background:rgba(5,6,15,.65);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:99px;padding:6px 10px;
}
.deck-btn{
  width:38px;height:38px;border-radius:50%;font-size:18px;line-height:1;
  background:rgba(255,255,255,.07);transition:background .3s,transform .3s;
  display:flex;align-items:center;justify-content:center;
}
.deck-btn:hover{background:var(--violet);transform:scale(1.08)}
.deck-count{direction:ltr;unicode-bidi:isolate;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:44px;text-align:center}

/* chat */
.chat-window{
  border-radius:28px;overflow:hidden;border:1px solid var(--line);
  background:var(--ink2);max-width:640px;
}
.chat-top{
  padding:14px 20px;font-size:13.5px;font-weight:600;color:var(--muted);
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.02);
}
.chat-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.chat-body{padding:22px;display:flex;flex-direction:column;gap:12px;min-height:340px}
.msg{
  max-width:82%;padding:13px 18px;border-radius:20px;font-size:15px;line-height:1.65;
  opacity:0;transform:translateY(12px);transition:opacity .45s,transform .45s;
}
.msg.show{opacity:1;transform:none}
.msg.user{
  align-self:flex-start;background:var(--grad);color:#05060F;font-weight:600;
  border-end-start-radius:5px;
}
.msg.ai{
  align-self:flex-end;background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-end-end-radius:5px;
}
.msg .who{display:block;font-size:11.5px;font-weight:700;letter-spacing:.05em;margin-bottom:5px;opacity:.65}
.typing{
  align-self:flex-end;display:flex;gap:5px;padding:14px 18px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-radius:20px;border-end-end-radius:5px;
  opacity:0;transition:opacity .3s;
}
.typing.show{opacity:1}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:tp 1.2s infinite}
.typing i:nth-child(2){animation-delay:.15s}
.typing i:nth-child(3){animation-delay:.3s}
@keyframes tp{0%,60%,100%{transform:none;opacity:.5}30%{transform:translateY(-5px);opacity:1}}

/* ---------- timeline ---------- */
.timeline{
  list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:tl;
}
.timeline li{
  counter-increment:tl;position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:24px;padding:78px 26px 30px;
  transition:transform .4s,border-color .4s;
}
.timeline li:hover{transform:translateY(-6px);border-color:rgba(77,232,194,.4)}
.timeline li::before{
  content:"0" counter(tl);
  position:absolute;top:24px;inset-inline-start:26px;
  font-family:var(--font-display);font-weight:700;font-size:44px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.timeline b{display:block;font-size:20px;font-weight:700;margin-bottom:10px}
.timeline p{color:var(--muted);font-size:14.5px;line-height:1.7}

/* ---------- faq ---------- */
.faq-list{max-width:760px;display:flex;flex-direction:column;gap:14px}
details{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:22px 26px;transition:border-color .3s;
}
details[open]{border-color:rgba(124,108,255,.45)}
summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17.5px;font-weight:600;cursor:pointer;list-style:none;
}
summary::-webkit-details-marker{display:none}
.faq-plus{position:relative;width:20px;height:20px;flex:none}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;transition:transform .35s;
}
.faq-plus::before{inset:9px 0;height:2px}
.faq-plus::after{inset:0 9px;width:2px}
details[open] .faq-plus::after{transform:rotate(90deg) scaleY(0)}
details p{color:var(--muted);font-size:15.5px;line-height:1.75;margin-top:14px}

/* ---------- cta ---------- */
.cta{
  padding:130px 22px;text-align:center;position:relative;overflow:hidden;
  background:radial-gradient(70% 90% at 50% 110%,rgba(124,108,255,.22),transparent 70%);
}
.cta-inner h2{
  font-family:var(--font-display);font-weight:700;line-height:.95;
  font-size:clamp(58px,10vw,130px);margin-bottom:40px;
}

/* ---------- footer ---------- */
.footer{
  border-top:1px solid var(--line);padding:56px 22px 40px;text-align:center;
  display:flex;flex-direction:column;gap:10px;align-items:center;
}
.footer-logo{font-family:var(--font-display);font-weight:700;font-size:46px;line-height:1}
.footer p{color:var(--muted);font-size:15px}
.footer-note{font-size:13px!important;opacity:.75}
.footer-copy{font-size:13px!important;opacity:.5;margin-top:8px}

/* ---------- toast ---------- */
.toast{
  position:fixed;bottom:26px;inset-inline-start:50%;transform:translate(50%,80px);
  z-index:150;background:var(--card);border:1px solid rgba(124,108,255,.5);
  color:var(--text);font-size:14.5px;font-weight:500;
  padding:14px 26px;border-radius:16px;box-shadow:0 16px 50px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transition:transform .45s cubic-bezier(.2,.7,.2,1),opacity .45s;
  max-width:min(90vw,420px);text-align:center;
}
.toast.show{opacity:1;transform:translate(50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .cards.four{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav{padding:12px 16px}
  .nav-burger{display:flex}
  .nav-links{
    position:fixed;inset:0;flex-direction:column;justify-content:center;gap:30px;
    background:rgba(5,6,15,.96);backdrop-filter:blur(20px);font-size:22px;
    opacity:0;pointer-events:none;transition:opacity .35s;
  }
  .nav-links.open{opacity:1;pointer-events:auto}
  .hero{padding:90px 18px 70px}
  .hero-line.big{font-size:clamp(76px,21vw,110px)}
  .overline{margin-bottom:22px}
  .hero-rot{margin-top:8px}
  .hero-sub{margin:20px 0 24px}
  .hero-inner{display:flex;flex-direction:column}
  .hero-prompt{order:6;margin-top:2px;max-width:100%;padding:16px 18px;border-radius:20px}
  .hero-actions{order:7;margin-top:22px}
  .hp-chip{margin-bottom:8px}
  .hp-before p{font-size:14px}
  .hp-after{margin-top:12px}
  .hp-after p{font-size:15px;line-height:1.6;min-height:72px}
  .hp-arrow{margin:12px 2px 2px}
  .bubble{font-size:12px;padding:8px 13px}
  .bubble{display:none}
  .cards.three{grid-template-columns:1fr}
  .section{padding:80px 18px}
  .motion-stage{aspect-ratio:4/3}
  .deck{aspect-ratio:4/5;min-height:420px}
  .slide{padding:22px 22px 74px}
  .slide-cols{flex-direction:column}
  .deck-controls{inset-inline-start:50%;transform:translateX(50%);bottom:12px}
  .timeline{grid-template-columns:1fr}
  .s-two .slide-cols{gap:10px}
  .slide-steps li b{min-width:84px;font-size:24px}
  .rules{flex-direction:column}
  .cta{padding:100px 18px}
}


/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  .marquee-track{animation:none}
  #particleCanvas{display:none}
  .motion-fallback{display:flex!important}
}

.footer-contact{color:var(--muted);font-size:15px;margin:10px 0 0}
.footer-contact a{color:var(--text);text-decoration:underline;text-underline-offset:4px}
.demo-note strong{color:var(--text)}