@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700;800;900&family=Montserrat:wght@200;300;400;500;600;700&display=swap');

:root{
  --navy:#07111F;
  --navy2:#0B1B33;
  --blue:#20C7FF;
  --blue2:#5FD9FF;
  --purple:#7B61FF;
  --white:#F5F7FA;
  --gray:#AAB4C3;
  --f-head:'Orbitron',sans-serif;
  --f-body:'Montserrat',sans-serif;
  --line:rgba(32,199,255,.35);
  --line-dim:rgba(32,199,255,.13);
}

*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;background:var(--navy);color:var(--white);
  font-family:var(--f-body);overflow:hidden;-webkit-tap-highlight-color:transparent}
button{font-family:inherit;color:inherit;background:none;border:none;cursor:pointer}
.deck{position:fixed;inset:0}

/* ---------- slides ---------- */
.slide{position:absolute;inset:0;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity 1s ease,filter 1s ease}
.slide.is-active{opacity:1;visibility:visible;pointer-events:auto}

.bg,.bg-img,.veil{position:absolute;inset:0}
.bg-img{background-size:cover;background-position:center;opacity:.55;
  transform:scale(1.04)}
.s1 .bg-img{background-image:url('../images/sci_fi_city_draw_modern_night_futuristic_city_skyl.jpg');opacity:.4}
.s6 .bg-img{background-image:url('../images/sci_fi_city_draw_modern_night_futuristic_city_skyl.jpg');opacity:.5}
.s2 .bg-img{background-image:url('../images/modern_bedroom_interior_with_neon_lights_glowing_a.jpg');opacity:.5}
.s3 .bg-img{background-image:url('../images/futuristic_classroom_featuring_a_holographic_teach.jpg');opacity:.55}
.s4 .bg-img{background-image:url('../images/futuristic_self_driving_car_on_highway_at_night_wi.webp');opacity:.5}
.s5 .bg-img{background:radial-gradient(ellipse at 50% 120%, #101B33 0%, #04060C 70%)}

.veil{pointer-events:none}
.s1 .veil{background:linear-gradient(180deg,rgba(7,17,31,.78),rgba(7,17,31,.42) 46%,rgba(7,17,31,.92))}
.s2 .veil{background:linear-gradient(180deg,rgba(7,17,31,.68),rgba(7,17,31,.3) 48%,rgba(7,17,31,.9))}
.s3 .veil{background:linear-gradient(180deg,rgba(11,9,26,.72),rgba(11,9,26,.36) 50%,rgba(8,8,22,.92))}
.s4 .veil{background:linear-gradient(180deg,rgba(7,17,31,.7),rgba(7,17,31,.28) 46%,rgba(7,17,31,.94))}
.s5 .veil{background:linear-gradient(180deg,rgba(2,4,9,.72),rgba(2,4,9,.55))}
.s6 .veil{background:linear-gradient(180deg,rgba(5,10,20,.82),rgba(5,10,20,.5) 40%,rgba(3,6,12,.94))}

/* ---------- fixed fx layers ---------- */
.fx{position:fixed;inset:0;pointer-events:none;z-index:40}
.fx-scan{background:repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 4px)}
.fx-vig{box-shadow:inset 0 0 30vmin rgba(0,0,0,.72)}
/* ---------- type helpers ---------- */
.num{font-family:var(--f-head);font-weight:900}
.num-glow{color:var(--blue);text-shadow:0 0 14px rgba(32,199,255,.75),0 0 46px rgba(32,199,255,.4)}
.glow-purple{color:var(--purple);text-shadow:0 0 14px rgba(123,97,255,.7),0 0 46px rgba(123,97,255,.35)}

.shead{position:absolute;top:72px;left:4vw;z-index:5}
.shead h2{font-family:var(--f-head);font-weight:800;font-size:clamp(24px,4.4vw,56px);
  letter-spacing:.14em;line-height:1.15;text-transform:uppercase}
.shead .rule{width:72px;height:2px;margin-top:14px;background:linear-gradient(90deg,var(--blue),var(--purple));
  box-shadow:0 0 12px rgba(32,199,255,.8)}
.slide-time{position:absolute;top:26px;left:4vw;z-index:5;font-family:var(--f-head);
  font-weight:700;font-size:clamp(15px,2.1vw,22px);letter-spacing:.3em;color:var(--blue2);
  text-shadow:0 0 12px rgba(32,199,255,.6)}
.slide-time::before{content:'';display:inline-block;width:9px;height:9px;margin-right:12px;
  background:var(--blue);border-radius:2px;box-shadow:0 0 10px var(--blue);animation:blink 2s infinite}

/* ---------- reveal mechanics ---------- */
.pre{opacity:0;visibility:hidden;transform:translateY(26px);
  transition:opacity .95s cubic-bezier(.16,.8,.2,1),transform .95s cubic-bezier(.16,.8,.2,1),filter .9s}
.pre.in{opacity:1;visibility:visible;transform:none;filter:none}
.seq>*{opacity:0}
.seq.run>*{animation:fadeUp .9s cubic-bezier(.16,.8,.2,1) forwards}
.seq.run>*:nth-child(1){animation-delay:.15s}
.seq.run>*:nth-child(2){animation-delay:.7s}
.seq.run>*:nth-child(3){animation-delay:1.25s}
.seq.run>*:nth-child(4){animation-delay:1.8s}
.seq.run>*:nth-child(5){animation-delay:2.35s}
.seq.run>*:nth-child(6){animation-delay:2.9s}
/* ---------- HUD ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(255,255,255,.06);z-index:60}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--purple));
  box-shadow:0 0 12px rgba(32,199,255,.9);transition:width .9s cubic-bezier(.2,.7,.2,1)}

.index{position:fixed;top:18px;right:4vw;z-index:60;font-family:var(--f-head);font-weight:700;
  letter-spacing:.35em;font-size:clamp(12px,1.6vw,15px);color:var(--gray)}
.index b{color:var(--white)}

.hud{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;
  justify-content:center;gap:26px;padding:0 4vw 22px;pointer-events:none}
.hud>*{pointer-events:auto}
.hud-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dim);background:rgba(11,27,51,.55);backdrop-filter:blur(8px);
  color:var(--gray);transition:all .3s ease;opacity:.35}
.hud-btn:hover{border-color:var(--line);color:var(--blue);box-shadow:0 0 18px rgba(32,199,255,.25)}
.hud-btn svg{width:22px;height:22px}
.hud-btn.on{opacity:1;color:var(--white);border-color:var(--line)}
.hud-btn.on:hover{color:var(--blue);transform:translateY(-2px)}

.dots{display:flex;gap:12px}
.dots button{width:9px;height:9px;border-radius:50%;background:rgba(245,247,250,.2);
  border:1px solid rgba(245,247,250,.25);transition:all .35s ease;position:relative}
.dots button.on{background:var(--blue);border-color:var(--blue);box-shadow:0 0 12px rgba(32,199,255,.9);
  width:26px;border-radius:6px}

.hint{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;z-index:59;
  font-family:var(--f-head);font-weight:600;font-size:11px;letter-spacing:.45em;color:var(--gray);
  display:flex;align-items:center;gap:10px;transition:opacity .5s ease}
.hint::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--blue);
  box-shadow:0 0 8px var(--blue);animation:blink 1.6s infinite}
.hint.off{opacity:0;pointer-events:none}
/* ---------- SLIDE 1 ---------- */
.grid-floor{position:absolute;left:-10%;right:-10%;bottom:-4%;height:52%;pointer-events:none;
  background:linear-gradient(rgba(32,199,255,.14) 1px,transparent 1px),
             linear-gradient(90deg,rgba(32,199,255,.14) 1px,transparent 1px);
  background-size:72px 72px;opacity:.32;
  transform:perspective(460px) rotateX(62deg);transform-origin:bottom center;
  -webkit-mask-image:linear-gradient(0deg,#000 0%,transparent 78%)}

.s1 .ghost-2040{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  font-family:var(--f-head);font-weight:900;font-size:clamp(180px,46vw,720px);line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(95,217,255,.5);opacity:0;
  transition:opacity 3s ease .35s;user-select:none;white-space:nowrap}
.s1.is-active .ghost-2040{opacity:.13}

.s1 .rings{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);opacity:0;
  transition:opacity 1.8s ease .9s}
.s1.is-active .rings{opacity:1}
.rings .gr{position:absolute;left:50%;top:50%;border-radius:50%;border:1px solid var(--line-dim)}
.rings .gr i{position:absolute;inset:-1px;border-radius:50%;
  border-top:2px solid var(--blue);animation:spin 9s linear infinite}
.rings .r1{width:56vmin;height:56vmin;margin:-28vmin 0 0 -28vmin}
.rings .r2{width:84vmin;height:84vmin;margin:-42vmin 0 0 -42vmin;border-style:dashed}
.rings .r3{width:108vmin;height:108vmin;margin:-54vmin 0 0 -54vmin}
.rings .r2 i{animation-duration:16s;animation-direction:reverse}

.glowline{position:absolute;left:0;width:100%;height:1px;transform:scaleX(0);
  transform-origin:left;transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
.s1 .hl1{top:20%;background:linear-gradient(90deg,transparent,rgba(32,199,255,.4) 30%,rgba(123,97,255,.5) 70%,transparent)}
.s1 .hl2{bottom:16%;background:linear-gradient(90deg,transparent,rgba(123,97,255,.35) 60%,rgba(32,199,255,.45) 90%,transparent)}
.s1.is-active .glowline{transform:scaleX(1)}
.s1 .hl1{transition-delay:.4s}
.s1 .hl2{transition-delay:.75s}

.s1 .center{position:absolute;left:0;right:0;top:44%;transform:translateY(-50%);
  text-align:center;z-index:5;padding:0 6vw}
.s1 .s1-title{font-family:var(--f-head);font-weight:800;text-transform:uppercase;
  font-size:clamp(34px,7.6vw,110px);letter-spacing:.06em;line-height:1.04}
.s1 .s1-title .big{display:block;font-size:clamp(64px,15vw,230px);font-weight:900;
  color:var(--blue);text-shadow:0 0 22px rgba(32,199,255,.85),0 0 90px rgba(32,199,255,.45)}
.s1 .s1-sub{margin-top:2.2vh;font-family:var(--f-head);font-weight:600;letter-spacing:.62em;
  font-size:clamp(11px,2.1vw,19px);color:var(--white);text-shadow:0 0 18px rgba(32,199,255,.9)}
.s1 .s1-sub .g{color:var(--purple);text-shadow:0 0 14px rgba(123,97,255,.9)}
/* ---------- SLIDE 2 — bedroom hotspots ---------- */
.s2 .scene2{position:absolute;inset:0;z-index:6}
.hot{position:absolute;display:flex;flex-direction:column;align-items:center;gap:8px;
  opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .8s ease,transform .8s ease,visibility .8s}
.s2.is-active .hot{opacity:1;visibility:visible;transform:none}
.s2.is-active .h-a{transition-delay:.8s}
.s2.is-active .h-b{transition-delay:1.4s}
.s2.is-active .h-c{transition-delay:2s}
.hot .pulse{position:relative;width:44px;height:44px;border-radius:50%;display:flex;
  align-items:center;justify-content:center;border:1px solid rgba(32,199,255,.8);
  background:rgba(11,27,51,.55);backdrop-filter:blur(4px);box-shadow:0 0 16px rgba(32,199,255,.5),inset 0 0 12px rgba(32,199,255,.25)}
.hot .pulse::before,.hot .pulse::after{content:'';position:absolute;width:12px;height:1px;
  background:var(--blue2);box-shadow:0 0 8px var(--blue)}
.hot .pulse::after{transform:rotate(90deg)}
.hot .pulse span{position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(32,199,255,.4);
  animation:ringPulse 2.2s ease-out infinite}
.hot:hover .pulse{box-shadow:0 0 26px rgba(32,199,255,.9)}
.hot .hot-lbl{font-family:var(--f-head);font-weight:600;font-size:10px;letter-spacing:.22em;
  color:var(--white);background:rgba(7,17,31,.6);border:1px solid var(--line-dim);
  padding:6px 12px;border-radius:20px;backdrop-filter:blur(6px);white-space:nowrap}
.h-a{left:14%;top:52%}
.h-b{right:15%;top:40%}
.h-c{left:44%;top:70%}
.hot.active .pulse{border-color:var(--purple);box-shadow:0 0 24px rgba(123,97,255,.9),inset 0 0 14px rgba(123,97,255,.4)}
.hot.active .pulse span{border-color:rgba(123,97,255,.7);animation:none}
.hot.active .hot-lbl{border-color:rgba(123,97,255,.7);color:var(--blue2)}

.s2 .info-panel{position:absolute;left:50%;bottom:84px;transform:translateX(-50%) translateY(18px);
  z-index:8;display:flex;align-items:center;gap:16px;padding:14px 26px;border-radius:16px;
  background:rgba(7,17,31,.72);border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:0 0 34px rgba(32,199,255,.22);opacity:0;visibility:hidden;
  transition:all .6s cubic-bezier(.16,.8,.2,1);max-width:88vw}
.s2 .info-panel.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.ip-t{font-family:var(--f-head);font-weight:700;font-size:clamp(13px,2vw,17px);
  letter-spacing:.16em;color:var(--blue2);white-space:nowrap}
.ip-sep{width:1px;height:22px;background:linear-gradient(180deg,var(--blue),var(--purple))}
.ip-d{font-family:var(--f-body);font-weight:500;font-size:clamp(12px,1.9vw,15px);
  letter-spacing:.05em;color:var(--white)}
/* ---------- SLIDE 3 — classroom cards + VR ---------- */
.s3 .cards{position:absolute;left:0;right:0;bottom:14vh;display:flex;justify-content:center;
  gap:clamp(18px,4.5vw,64px);z-index:6;padding:0 4vw}
.fcard{display:flex;flex-direction:column;align-items:center;gap:12px;opacity:0;visibility:hidden;
  transform:translateY(26px);transition:all .9s cubic-bezier(.16,.8,.2,1)}
.s3.is-active .fcard{opacity:1;visibility:visible;transform:none}
.s3.is-active .fc-vr{transition-delay:.6s}
.s3.is-active .fc-ai{transition-delay:1.15s}
.s3.is-active .fc-learn{transition-delay:1.7s}
.fc-tag{font-family:var(--f-head);font-weight:700;font-size:clamp(11px,1.7vw,15px);
  letter-spacing:.28em;color:var(--gray)}
.fc-orb{width:clamp(84px,13vw,150px);height:clamp(84px,13vw,150px);border-radius:50%;
  display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
  background:radial-gradient(circle at 50% 35%,rgba(32,199,255,.16),rgba(11,27,51,.4) 70%);
  box-shadow:0 0 30px rgba(32,199,255,.25),inset 0 0 30px rgba(32,199,255,.08);
  transition:all .4s ease;animation:floatY 6s ease-in-out infinite}
.fc-ai{animation-delay:-1.5s;border-color:rgba(123,97,255,.55);
  box-shadow:0 0 30px rgba(123,97,255,.3),inset 0 0 30px rgba(123,97,255,.1)}
.fc-learn{animation-delay:-3s}
.fc-orb svg{width:36%;height:36%;stroke:var(--blue2);filter:drop-shadow(0 0 8px rgba(32,199,255,.8))}
.fc-ai svg{stroke:#B9A8FF;filter:drop-shadow(0 0 8px rgba(123,97,255,.8))}
.fcard:hover .fc-orb{transform:scale(1.07);box-shadow:0 0 46px rgba(32,199,255,.55)}
.fc-word{font-family:var(--f-head);font-weight:600;font-size:clamp(10px,1.5vw,13px);
  letter-spacing:.4em;color:var(--blue2);text-shadow:0 0 10px rgba(32,199,255,.7)}
.vr-frame-hint{position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:120%;
  height:120%;border-radius:50%;border:1px dashed rgba(32,199,255,.5);animation:spin 22s linear infinite}
.fcard .fc-orb{position:relative}

/* VR overlay */
.vrmode{position:absolute;inset:0;z-index:30;background:radial-gradient(ellipse at 50% 30%,#0B1030,#02040A 75%);
  opacity:0;visibility:hidden;transition:opacity .7s ease,visibility .7s;overflow:hidden}
.vrmode.open{opacity:1;visibility:visible}
.vrmode canvas{position:absolute;inset:0;width:100%;height:100%}
.space-glow{position:absolute;left:50%;top:54%;transform:translate(-50%,-50%);
  width:52vmin;height:52vmin;border-radius:50%;
  border:1px solid rgba(95,217,255,.35);box-shadow:0 0 60px rgba(32,199,255,.18),inset 0 0 60px rgba(32,199,255,.08)}
.space-glow i{position:absolute;inset:-1px;border-radius:50%;border-top:2px solid var(--blue);
  animation:spin 12s linear infinite}
.vr-title{position:absolute;left:0;right:0;top:22%;text-align:center;z-index:5;
  font-family:var(--f-head);font-weight:900;font-size:clamp(30px,7.5vw,92px);
  letter-spacing:.1em;color:var(--white);text-shadow:0 0 26px rgba(123,97,255,.9),0 0 80px rgba(32,199,255,.6)}
.vr-sub{position:absolute;left:0;right:0;top:calc(22% + clamp(52px,10vw,120px));text-align:center;z-index:5;
  font-family:var(--f-head);font-weight:500;font-size:clamp(10px,1.6vw,15px);letter-spacing:.5em;
  color:var(--gray);animation:blinkSoft 2.4s infinite}
/* ---------- SLIDE 4 — journey home ---------- */
.route{position:absolute;left:50%;transform:translateX(-50%);top:20vh;z-index:6;
  display:flex;align-items:center;gap:14px;padding:10px 20px;border-radius:40px;
  background:rgba(7,17,31,.66);border:1px solid var(--line-dim);backdrop-filter:blur(10px);
  font-family:var(--f-head);font-weight:700;letter-spacing:.18em;font-size:clamp(10px,1.5vw,13px);
  opacity:0;visibility:hidden;transform:translateX(-50%) translateY(14px);
  transition:all .9s cubic-bezier(.16,.8,.2,1)}
.s4.is-active .route{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);transition-delay:.55s}
.rp{white-space:nowrap;color:var(--gray)}
.rp.home{color:var(--blue2);text-shadow:0 0 12px rgba(32,199,255,.7)}
.rp.goal-on{color:var(--blue2)}
.rtrack{position:relative;width:clamp(70px,16vw,190px);height:2px;background:rgba(245,247,250,.16);border-radius:2px}
.rtrack i{position:absolute;inset:0;width:0;border-radius:2px;
  background:linear-gradient(90deg,var(--blue),var(--purple));
  box-shadow:0 0 10px rgba(32,199,255,.8);transition:width 4.2s cubic-bezier(.3,.7,.2,1)}
.rtrack i.go{width:100%}

.roadwrap{position:absolute;left:0;right:0;bottom:0;height:30vh;z-index:5;overflow:hidden;
  opacity:0;transition:opacity 1.2s ease .9s}
.s4.is-active .roadwrap{opacity:1}
.road{position:absolute;left:0;right:0;bottom:6vh;height:12vh;
  background:linear-gradient(180deg,rgba(7,17,31,.1),rgba(3,8,16,.85));
  border-top:1px solid rgba(95,217,255,.25);border-bottom:1px solid rgba(95,217,255,.14)}
.road .dashes{position:absolute;left:0;right:0;top:50%;height:3px;transform:translateY(-50%);
  background:repeating-linear-gradient(90deg,rgba(245,247,250,.55) 0 90px,transparent 90px 190px);
  opacity:.7}
.roadwrap.go .dashes{animation:dashMove .7s linear infinite}
.road .edge{position:absolute;left:0;right:0;height:1px;background:rgba(32,199,255,.35);
  box-shadow:0 0 8px rgba(32,199,255,.6)}
.road .edge.t{top:0}.road .edge.b{bottom:0}

.car{position:absolute;left:6vw;bottom:9.5vh;z-index:8;width:clamp(92px,15vw,170px);height:auto;
  color:var(--blue2);filter:drop-shadow(0 0 14px rgba(32,199,255,.8)) drop-shadow(0 6px 26px rgba(0,0,0,.6));
  transition:opacity .5s ease;opacity:0;visibility:hidden}
.s4.is-active .car{opacity:1;visibility:visible;transition-delay:1.1s}
.car svg{width:100%;height:auto;stroke-width:1.6}
.car .trail{position:absolute;right:88%;top:50%;width:24vw;height:2px;background:linear-gradient(90deg,transparent,var(--blue));
  box-shadow:0 0 12px var(--blue);opacity:0}
.s4 .car.driving{animation:carDrive 4.6s cubic-bezier(.25,.7,.2,1) forwards;cursor:default}
.car.driving .trail{opacity:1;animation:trailPulse .5s infinite alternate}
.car.arrived{left:auto;right:4vw;opacity:1;visibility:visible;animation:carSettle .9s cubic-bezier(.2,.8,.2,1)}
.car .car-tap{position:absolute;left:50%;bottom:115%;transform:translateX(-50%);
  font-family:var(--f-head);font-weight:600;font-size:10px;letter-spacing:.3em;color:var(--gray);
  white-space:nowrap;animation:blinkSoft 2s infinite}
.car.arrived .car-tap,.car.driving .car-tap{display:none}

.s4 .copy{position:absolute;left:0;right:0;top:24%;text-align:center;z-index:6;padding:0 6vw}
.s4 .copy h3{font-family:var(--f-head);font-weight:800;font-size:clamp(26px,5vw,58px);
  letter-spacing:.12em;text-shadow:0 0 24px rgba(32,199,255,.55)}
.s4 .copy p{margin-top:12px;font-family:var(--f-head);font-weight:500;
  font-size:clamp(12px,2vw,19px);letter-spacing:.4em;color:var(--gray);line-height:2}
.s4 .copy p b{color:var(--blue2);font-weight:700}
/* ---------- SLIDE 5 — the surprise ---------- */
.s5 .stage5{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  text-align:center;z-index:6;padding:0 6vw}
.st5{opacity:0;visibility:hidden}
.st5.in{opacity:1;visibility:visible;animation:fadeZoom .9s cubic-bezier(.16,.8,.2,1) forwards}
.st5.wait{font-family:var(--f-head);font-weight:900;font-size:clamp(56px,14vw,190px);
  letter-spacing:.06em;color:var(--white);text-shadow:0 0 40px rgba(32,199,255,.6)}
.st5.q{margin-top:2vh;font-family:var(--f-body);font-weight:300;letter-spacing:.34em;
  font-size:clamp(12px,2.4vw,22px);color:var(--gray);animation-delay:.35s}
.st5.but{font-family:var(--f-head);font-weight:900;font-size:clamp(64px,16vw,210px);
  color:var(--purple);text-shadow:0 0 46px rgba(123,97,255,.85),0 0 130px rgba(123,97,255,.4)}
.st5.here{margin-top:3.5vh;font-family:var(--f-head);font-weight:900;
  font-size:clamp(22px,5.2vw,64px);letter-spacing:.14em;color:var(--white);
  text-shadow:0 0 20px rgba(32,199,255,1),0 0 60px rgba(32,199,255,.7),0 0 120px rgba(32,199,255,.4);
  animation:glowPulse 2.2s ease-in-out .9s infinite}
.s5 .techs{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(12px,2.2vw,26px);
  margin-top:5vh;opacity:0;visibility:hidden}
.s5 .techs.in{opacity:1;visibility:visible}
.s5 .techs .tech{display:flex;align-items:center;gap:12px;padding:14px 24px;border-radius:40px;
  border:1px solid var(--line);background:rgba(11,27,51,.5);backdrop-filter:blur(8px);
  font-family:var(--f-head);font-weight:700;font-size:clamp(11px,1.8vw,16px);letter-spacing:.2em;
  color:var(--white);opacity:0;transform:translateY(18px);animation:fadeUp .8s cubic-bezier(.16,.8,.2,1) forwards;
  box-shadow:0 0 20px rgba(32,199,255,.12)}
.s5 .techs .tech svg{width:20px;height:20px;stroke:var(--blue2);flex:none}
.s5 .techs.in .tech:nth-child(1){animation-delay:.1s}
.s5 .techs.in .tech:nth-child(2){animation-delay:.3s}
.s5 .techs.in .tech:nth-child(3){animation-delay:.5s}
.s5 .techs.in .tech:nth-child(4){animation-delay:.7s}
.s5 .techs.in .tech:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(32,199,255,.4)}
/* ---------- SLIDE 6 — future is now ---------- */
.s6 .s6-title{position:absolute;left:0;right:0;top:24%;text-align:center;z-index:6;padding:0 6vw;
  font-family:var(--f-head);font-weight:900;text-transform:uppercase;
  font-size:clamp(30px,7vw,96px);letter-spacing:.08em;line-height:1.12;
  color:var(--white);text-shadow:0 0 30px rgba(32,199,255,.85),0 0 110px rgba(32,199,255,.5);
  opacity:0;transform:translateY(24px);transition:opacity 1.4s ease .4s,transform 1.4s ease .4s}
.s6 .s6-title .f{color:var(--blue);text-shadow:0 0 26px rgba(32,199,255,1),0 0 90px rgba(32,199,255,.6)}
.s6.is-active .s6-title.show{opacity:1;transform:none}
.s6 .s6-sub{position:absolute;left:0;right:0;top:calc(24% + clamp(64px,11vw,140px));text-align:center;
  z-index:6;font-family:var(--f-body);font-weight:300;letter-spacing:.6em;
  font-size:clamp(12px,2.2vw,20px);color:var(--gray);opacity:0;
  transition:opacity 1.2s ease 1s}
.s6 .s6-sub.show{opacity:1}

.thanks{position:absolute;left:0;right:0;bottom:12vh;text-align:center;z-index:6;
  font-family:var(--f-head);font-weight:600;letter-spacing:.9em;color:var(--blue2);
  font-size:clamp(13px,2.4vw,22px);text-shadow:0 0 16px rgba(32,199,255,.7);
  opacity:0;visibility:hidden;transition:opacity 1.2s ease,visibility 1.2s}
.thanks.show{opacity:1;visibility:visible}

.timeline{position:absolute;left:50%;bottom:26vh;transform:translateX(-50%);width:min(72vw,860px);z-index:6}
.tl-track{position:relative;height:3px;background:rgba(245,247,250,.14);border-radius:3px;overflow:visible}
.tl-fill{position:absolute;left:0;top:0;height:100%;width:0;border-radius:3px;
  background:linear-gradient(90deg,var(--blue),var(--purple));
  box-shadow:0 0 14px rgba(32,199,255,.9)}
.tl-dot{position:absolute;left:0;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;
  background:#fff;box-shadow:0 0 16px var(--blue),0 0 34px var(--blue)}
.tl-dot.glow{background:var(--blue);animation:blink 1s infinite}
.tl-nodes{display:flex;justify-content:space-between;margin-top:18px}
.tl-nodes span{font-family:var(--f-head);font-weight:700;letter-spacing:.24em;
  font-size:clamp(10px,1.6vw,15px);color:var(--gray);transition:color .5s,text-shadow .5s;white-space:nowrap}
.tl-nodes span.on{color:var(--white);text-shadow:0 0 14px rgba(32,199,255,.9)}
.tl-nodes span.goal{color:var(--blue);text-shadow:0 0 18px rgba(32,199,255,1),0 0 50px rgba(123,97,255,.6)}
/* ---------- keyframes + responsive ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes fadeZoom{from{opacity:0;transform:scale(.86)}to{opacity:1;transform:scale(1)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.15}}
@keyframes blinkSoft{0%,100%{opacity:.95}50%{opacity:.25}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes ringPulse{0%{transform:scale(1);opacity:.9}100%{transform:scale(1.9);opacity:0}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes glowPulse{0%,100%{text-shadow:0 0 18px rgba(32,199,255,1),0 0 60px rgba(32,199,255,.75),0 0 120px rgba(32,199,255,.45)}
  50%{text-shadow:0 0 30px rgba(32,199,255,1),0 0 90px rgba(32,199,255,.9),0 0 160px rgba(123,97,255,.6)}}
@keyframes dashMove{to{background-position:-190px 0}}
@keyframes carDrive{0%{left:6vw}100%{left:calc(100vw - 30vw)}}
@keyframes carSettle{from{transform:translateX(40px);opacity:.3}to{transform:none;opacity:1}}
@keyframes trailPulse{from{opacity:.25}to{opacity:1}}
@keyframes ghostBreath{0%,100%{opacity:.12}50%{opacity:.17}}

@media (max-width:760px){
  .s2 .h-a{left:8%;top:46%}
  .s2 .h-b{right:7%;top:36%}
  .s2 .h-c{left:38%;top:66%}
  .shead h2{letter-spacing:.08em}
  .s3 .cards{bottom:12vh}
  .s4 .copy{top:21%}
  .s4 .car{left:4vw}
  @keyframes carDrive{0%{left:2vw}100%{left:calc(100vw - 46vw)}}
  .hud-btn{width:44px;height:44px}
  .timeline{bottom:22vh}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01s !important;animation-iteration-count:1 !important;
    transition-duration:.01s !important}
}

/* ---------- JS-driven extras ---------- */
.st5{transition:opacity .55s ease,transform .55s ease,visibility .55s}
.s5 .techs{transition:opacity .5s ease,visibility .5s}

.tl-fill{transition:width 1.9s cubic-bezier(.4,0,.2,1)}
.tl-dot{transition:left 1.9s cubic-bezier(.4,0,.2,1),background .3s,box-shadow .3s}
.tl-dot.glow{background:var(--purple);box-shadow:0 0 18px var(--purple),0 0 44px rgba(123,97,255,.8);animation:none}

.vrmode .vr-title{opacity:0}
.vrmode.open .vr-title{animation:fadeZoom .85s cubic-bezier(.16,.8,.2,1) .25s forwards}
.vrmode .vr-sub{opacity:0}
.vrmode.open .vr-sub{animation:fadeUp .8s ease .85s forwards}

.fcard .fc-orb{transition:transform .35s ease,box-shadow .35s ease}
.fcard.pop .fc-orb{animation:bounceOrb .55s cubic-bezier(.2,.8,.3,1.2)}
@keyframes bounceOrb{0%{transform:scale(1)}40%{transform:scale(1.16)}100%{transform:scale(1)}}

.instant{transition:none !important}