:root{
  --ink:#172033;
  --muted:#667085;
  --blue:#2459c7;
  --blue-dark:#173f86;
  --cream:#fff7df;
  --soft:#f4f9ff;
  --paper:rgba(255,255,255,.9);
  --line:rgba(23,32,51,.1);
  --shadow:0 20px 56px rgba(23,32,51,.13);
  --radius:28px;
}
*{box-sizing:border-box}
html{min-height:100%;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  min-height:100%;
  margin:0;
  color:var(--ink);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  background:
    radial-gradient(circle at 8% 4%,rgba(80,170,255,.16),transparent 28rem),
    radial-gradient(circle at 92% 6%,rgba(255,207,94,.18),transparent 24rem),
    linear-gradient(135deg,#f6fbff 0%,#fffaf0 100%);
  overflow-x:hidden;
}
img,svg{max-width:100%}
button,a{font:inherit}
button{touch-action:manipulation}
.page{min-height:100svh;display:grid;place-items:center;padding:14px}
.wrap{width:min(1140px,100%)}
.shell{
  overflow:hidden;
  border:1px solid rgba(255,255,255,.86);
  border-radius:30px;
  background:rgba(255,255,255,.74);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.68));
}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.logo{
  width:44px;height:44px;flex:0 0 44px;border-radius:16px;background:#16233d;
  display:grid;place-items:center;box-shadow:inset 0 -6px 0 rgba(255,211,92,.84),0 10px 22px rgba(22,35,61,.16)
}
.logo:before{content:"";width:17px;height:17px;border:5px solid #fff;border-radius:5px;transform:rotate(18deg)}
.brand b{display:block;font-size:16px;line-height:1.12;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw;font-weight:950;letter-spacing:-.25px;background:linear-gradient(135deg,#123f8b,#2677cf);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand span{display:block;margin-top:5px;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:42vw}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.tag{border:1px solid var(--line);border-radius:999px;padding:8px 11px;background:rgba(255,255,255,.78);font-size:12px;font-weight:850;color:#344056;white-space:nowrap}
.tag svg{width:14px;height:14px;margin-right:5px;vertical-align:-2px}
.mini-play{border:0;border-radius:999px;background:#172033;color:#fff;font-weight:900;padding:9px 13px;cursor:pointer;display:flex;align-items:center;gap:7px;transition:.18s transform;white-space:nowrap}
.mini-play svg{width:15px;height:15px}
.main{display:grid;grid-template-columns:.92fr 1.08fr;gap:16px;padding:16px;min-width:0}
.visual{position:relative;min-height:520px;border-radius:26px;overflow:hidden;background:#d8efff;border:1px solid var(--line);box-shadow:0 16px 36px rgba(23,32,51,.1)}
.visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,22,48,.02) 38%,rgba(10,22,48,.76) 100%)}
.badges{position:absolute;z-index:2;top:14px;left:14px;right:14px;display:flex;gap:7px;flex-wrap:wrap}
.badge{background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.7);border-radius:999px;padding:7px 10px;font-size:11.5px;font-weight:850;box-shadow:0 10px 22px rgba(0,0,0,.1);backdrop-filter:blur(8px);white-space:nowrap}
.hero{position:absolute;z-index:2;left:18px;right:18px;bottom:18px;color:#fff}
.hero h1{
  display:inline-block;
  margin:0;
  padding:10px 14px 12px;
  border-radius:22px;
  font-size:clamp(36px,4.4vw,62px);
  line-height:.9;
  letter-spacing:-2.5px;
  color:#fff;
  background:linear-gradient(135deg,rgba(11,33,78,.64),rgba(27,103,198,.42));
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 18px 42px rgba(4,19,46,.28), inset 0 1px 0 rgba(255,255,255,.18);
  backdrop-filter:blur(14px);
  text-shadow:0 4px 0 rgba(24,70,150,.24),0 14px 26px rgba(0,0,0,.24);
}
.hero h1 span{
  display:inline-block;
  font-weight:950;
  color:#ffe78a;
  letter-spacing:-1.8px;
  text-shadow:0 3px 0 rgba(14,62,138,.22),0 12px 22px rgba(0,0,0,.22);
}
.hero p{
  width:min(520px,100%);
  margin:12px 0 0;
  padding:12px 14px;
  border-radius:18px;
  color:rgba(255,255,255,.92);
  background:rgba(8,22,48,.38);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 12px 26px rgba(3,16,36,.16);
  backdrop-filter:blur(14px);
  font-size:13.5px;
  line-height:1.55;
  font-weight:520;
}
.side{display:grid;grid-template-rows:auto auto auto;gap:11px;align-content:start;min-width:0}
.card{border:1px solid var(--line);border-radius:24px;background:var(--paper);box-shadow:0 14px 34px rgba(23,32,51,.075)}
.download{padding:18px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(239,247,255,.82));position:relative;overflow:hidden}
.download:before{content:"";position:absolute;right:-50px;top:-72px;width:170px;height:170px;border-radius:50%;background:rgba(255,210,105,.26)}
.download>*{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:8px;color:var(--blue-dark);font-weight:900;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.download h2{margin:0 0 9px;font-size:clamp(26px,2.7vw,38px);line-height:1;letter-spacing:-1.3px}
.download p{margin:0;color:#435063;background:rgba(255,255,255,.66);border:1px solid rgba(23,32,51,.07);border-radius:16px;padding:10px 12px;line-height:1.48;font-size:13.5px;backdrop-filter:blur(8px)}
.cta-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.play{grid-column:1/-1;min-height:52px;border:0;border-radius:17px;cursor:pointer;background:linear-gradient(135deg,var(--blue-dark),var(--blue));color:#fff;font-size:17px;font-weight:950;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 16px 30px rgba(39,95,205,.24);transition:.18s transform}
.play svg{width:22px;height:22px;flex:0 0 22px}
.store{min-height:49px;text-decoration:none;color:#fff;border-radius:16px;padding:8px 10px;display:flex;align-items:center;gap:10px;transition:.18s transform;min-width:0}
.store:hover,.play:hover,.mini-play:hover{transform:translateY(-1px)}
.store.apple{background:#121722}.store.google{background:#20304a}
.store svg{width:23px;height:23px;flex:0 0 auto}.store small{display:block;font-size:10px;color:rgba(255,255,255,.7);font-weight:700}.store b{display:block;font-size:13.5px;line-height:1.05;margin-top:2px;white-space:nowrap}
.notice{display:none;margin-top:9px;padding:9px 11px;border-radius:13px;background:#fff7db;border:1px solid #f3d781;color:#604300;font-size:12px;line-height:1.4}.notice.show{display:block}
.features{display:grid;grid-template-columns:1fr 1fr;gap:9px;min-width:0}
.feature{min-height:84px;padding:12px;border-radius:20px;background:rgba(255,255,255,.86);border:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:9px;align-items:start;min-width:0}
.feature i{font-style:normal;width:34px;height:34px;border-radius:13px;background:var(--soft);display:grid;place-items:center;font-size:18px}.feature b{display:block;font-size:14px;line-height:1.1}.feature span{display:block;margin-top:5px;font-size:12px;line-height:1.35;color:var(--muted)}
.preview{padding:14px;overflow:hidden;min-width:0}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:10px}.section-head b{display:block;font-size:15.5px}.slide-controls{display:flex;align-items:center;gap:6px;flex:0 0 auto}.slide-btn{width:32px;height:32px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.94);color:#172033;display:grid;place-items:center;cursor:pointer;box-shadow:0 6px 16px rgba(23,32,51,.08);font-size:20px;line-height:1}.slide-btn:hover{background:#172033;color:#fff}
.rail{position:relative;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;padding:0 38px 2px 10px;cursor:grab;user-select:none;touch-action:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain;max-width:100%}.rail.dragging{cursor:grabbing;scroll-snap-type:none}.rail::-webkit-scrollbar{display:none}.rail:before,.rail:after{content:"";position:sticky;top:0;width:28px;height:142px;z-index:2;pointer-events:none;flex:0 0 28px}.rail:before{left:0;background:linear-gradient(to right,rgba(255,255,255,.92),transparent)}.rail:after{right:0;background:linear-gradient(to left,rgba(255,255,255,.92),transparent)}.track{display:flex;gap:10px;width:max-content}.shot{appearance:none;border:1px solid var(--line);padding:0;flex:0 0 132px;width:132px;height:142px;position:relative;border-radius:18px;overflow:hidden;background:#eef6ff;scroll-snap-align:start;cursor:pointer;box-shadow:0 10px 24px rgba(23,32,51,.08)}.shot:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.34));opacity:.75;pointer-events:none}.shot img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s;pointer-events:none}.shot:hover img{transform:scale(1.05)}.shot label{position:absolute;z-index:1;left:7px;right:7px;bottom:7px;background:rgba(255,255,255,.9);border-radius:999px;padding:6px 7px;font-size:10.5px;font-weight:900;text-align:center;box-shadow:0 6px 14px rgba(0,0,0,.1);backdrop-filter:blur(8px);pointer-events:none;color:var(--ink)}.shot:focus-visible{outline:3px solid rgba(39,95,205,.45);outline-offset:3px}.rail.dragging .shot{cursor:grabbing}
.lightbox{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;padding:28px;background:rgba(8,15,28,.78);backdrop-filter:blur(12px)}.lightbox.show{display:flex}.lightbox figure{margin:0;max-width:min(860px,calc(100vw - 92px));max-height:calc(100svh - 80px);display:grid;gap:10px;place-items:center}.lightbox img{max-width:100%;max-height:calc(100svh - 128px);border-radius:24px;box-shadow:0 24px 80px rgba(0,0,0,.34);background:#fff}.lightbox figcaption{color:#fff;font-weight:900;text-align:center;text-shadow:0 3px 12px rgba(0,0,0,.3)}.lightbox-close,.lightbox-nav{position:absolute;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.13);color:#fff;cursor:pointer;backdrop-filter:blur(10px);transition:.18s transform,.18s background}.lightbox-close:hover,.lightbox-nav:hover{background:rgba(255,255,255,.22);transform:translateY(-1px)}.lightbox-close{top:18px;right:18px;width:44px;height:44px;border-radius:999px;font-size:28px;line-height:1}.lightbox-nav{top:50%;transform:translateY(-50%);width:46px;height:58px;border-radius:999px;font-size:34px;line-height:1}.lightbox-prev{left:18px}.lightbox-next{right:18px}.lightbox-nav:hover{transform:translateY(-50%) translateY(-1px)}
@media (max-width:980px){.page{display:block;padding:10px}.wrap{width:100%}.main{grid-template-columns:1fr;padding:12px}.visual{min-height:clamp(330px,48vw,430px)}.header-actions .tag{display:none}.side{grid-template-columns:1fr}.features{grid-template-columns:repeat(4,1fr)}.feature{grid-template-columns:1fr;min-height:124px}.feature i{width:32px;height:32px}.lightbox figure{max-width:calc(100vw - 74px)}}
@media (max-width:720px){.page{padding:8px}.shell{border-radius:24px}.header{padding:11px 12px}.logo{width:38px;height:38px;flex-basis:38px;border-radius:14px}.logo:before{width:14px;height:14px;border-width:4px}.brand b{font-size:14px;max-width:calc(100vw - 92px)}.brand span{font-size:11px;max-width:calc(100vw - 92px)}.header-actions{display:none}.main{padding:10px;gap:10px}.visual{min-height:0;height:auto;aspect-ratio:16/10;border-radius:22px}.hero{left:14px;right:14px;bottom:14px}.hero h1{font-size:clamp(31px,9.2vw,40px);letter-spacing:-1.4px;padding:8px 10px 10px;border-radius:18px}.hero p{font-size:12.5px;padding:9px 10px;line-height:1.44;margin-top:9px;background:rgba(8,22,48,.34)}.badges{top:10px;left:10px;right:10px;gap:5px}.badge{font-size:10.5px;padding:6px 8px}.download{padding:15px;border-radius:22px}.download h2{font-size:28px}.download p{font-size:13px}.cta-row{grid-template-columns:1fr}.store{justify-content:center}.features{grid-template-columns:1fr 1fr}.feature{grid-template-columns:32px 1fr;min-height:auto;padding:10px;border-radius:17px}.preview{padding:13px;border-radius:22px;overflow:hidden}.section-head{align-items:center}.slide-controls{display:flex}.rail{margin:0 -13px;padding:0 46px 10px 13px;cursor:auto}.rail:before,.rail:after{display:none}.track{gap:10px}.shot{flex-basis:42vw;width:42vw;max-width:170px;min-width:132px;height:132px}.lightbox{padding:18px}.lightbox figure{max-width:calc(100vw - 38px)}.lightbox img{border-radius:18px}.lightbox-nav{width:40px;height:52px}.lightbox-prev{left:8px}.lightbox-next{right:8px}.lightbox-close{top:10px;right:10px}}
@media (max-width:430px){.page{padding:6px}.shell{border-radius:20px}.main{padding:8px}.visual{aspect-ratio:4/3}.hero h1{font-size:32px}.hero p{margin-top:8px;font-size:12px}.badges .badge:nth-child(3){display:none}.features{grid-template-columns:1fr}.feature span{font-size:12.5px}.section-head b{font-size:14.5px}.slide-btn{width:30px;height:30px}.shot{flex-basis:58vw;width:58vw;height:136px}.lightbox-nav{display:none}}
@media (max-width:360px){.visual{aspect-ratio:1/1}.hero h1{font-size:29px}.download h2{font-size:25px}.play{min-height:50px}.shot{flex-basis:64vw;width:64vw}}
@media (prefers-reduced-motion:reduce){.store,.play,.mini-play,.shot img,.lightbox-close,.lightbox-nav{transition:none}}

/* v6 - subtle motion & Curiosity World polish */
.shell{animation:pageIn .55s ease both}.visual{isolation:isolate}.visual img{animation:coverDrift 9s ease-in-out infinite alternate;transform-origin:center}.motion-orb{position:absolute;z-index:1;border-radius:999px;pointer-events:none;filter:blur(.2px);opacity:.78;mix-blend-mode:screen}.orb-one{width:108px;height:108px;right:8%;top:8%;background:radial-gradient(circle,#fff3a9 0 26%,rgba(255,211,92,.34) 27% 60%,transparent 62%);animation:floatOrb 6s ease-in-out infinite}.orb-two{width:82px;height:82px;left:8%;top:18%;background:radial-gradient(circle,#bdf2ff 0 28%,rgba(83,183,255,.32) 29% 62%,transparent 64%);animation:floatOrb 7.5s ease-in-out infinite reverse}.badge{animation:badgeFloat 4.8s ease-in-out infinite}.badge:nth-child(2){animation-delay:.45s}.badge:nth-child(3){animation-delay:.9s}.hero h1{position:relative;overflow:hidden;animation:titlePop .58s cubic-bezier(.2,.9,.2,1) both}.hero h1:after{content:"";position:absolute;inset:-60% -30%;background:linear-gradient(100deg,transparent 34%,rgba(255,255,255,.26) 47%,transparent 60%);transform:translateX(-75%) rotate(8deg);animation:titleShine 5.5s ease-in-out infinite}.hero p{animation:softRise .68s ease .06s both}.download,.features,.preview{animation:softRise .62s ease both}.features{animation-delay:.08s}.preview{animation-delay:.14s}.feature{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.feature:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(23,32,51,.08);border-color:rgba(36,89,199,.18)}.play{position:relative;overflow:hidden}.play:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.22) 45%,transparent 70%);transform:translateX(-110%);animation:buttonSweep 4.8s ease-in-out infinite}.play span,.play svg{position:relative;z-index:1}.brand span{color:#345070;font-weight:780;letter-spacing:.01em}.eyebrow{text-transform:none;letter-spacing:.02em;font-size:12px;color:#2459c7}.download h2{letter-spacing:-1.1px}.download p{font-size:13.8px;color:#3f4f65}.hero p{font-size:14px;color:rgba(255,255,255,.94)}

@keyframes pageIn{from{opacity:0;transform:translateY(10px) scale(.992)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes coverDrift{from{transform:scale(1.01) translate3d(0,0,0)}to{transform:scale(1.045) translate3d(-8px,-4px,0)}}
@keyframes floatOrb{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(0,12px,0) scale(1.06)}}
@keyframes badgeFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes titlePop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes titleShine{0%,62%{transform:translateX(-80%) rotate(8deg)}78%,100%{transform:translateX(80%) rotate(8deg)}}
@keyframes softRise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes buttonSweep{0%,64%{transform:translateX(-110%)}82%,100%{transform:translateX(110%)}}

@media (max-width:720px){.motion-orb{opacity:.48}.orb-one{width:72px;height:72px;right:4%;top:8%}.orb-two{width:58px;height:58px;left:5%;top:16%}.visual img{animation:none}.hero p{font-size:12.5px}.eyebrow{font-size:11.5px}.download p{font-size:13px}}
@media (prefers-reduced-motion:reduce){.shell,.visual img,.motion-orb,.badge,.hero h1,.hero h1:after,.hero p,.download,.features,.preview,.play:after{animation:none!important}.feature:hover,.store:hover,.play:hover,.mini-play:hover{transform:none}}

/* v7 - cleaner visual hierarchy */
.hero-compact{
  width:min(430px,calc(100% - 28px));
  left:18px;
  right:auto;
  bottom:18px;
  padding:14px 16px;
  border-radius:22px;
  background:linear-gradient(135deg,rgba(9,28,62,.54),rgba(24,82,158,.28));
  border:1px solid rgba(255,255,255,.24);
  box-shadow:0 18px 42px rgba(4,19,46,.22);
  backdrop-filter:blur(14px);
}
.hero-compact span{
  display:inline-flex;
  margin-bottom:6px;
  padding:5px 9px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.86);
  font-size:11px;
  font-weight:850;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.hero-compact strong{
  display:block;
  color:#fff;
  font-size:clamp(28px,3.1vw,42px);
  line-height:.95;
  letter-spacing:-1.35px;
  text-shadow:0 12px 24px rgba(0,0,0,.22);
}
.hero-compact p{
  width:auto;
  margin:9px 0 0;
  padding:0;
  background:none;
  border:0;
  box-shadow:none;
  backdrop-filter:none;
  font-size:13.5px;
  line-height:1.48;
  color:rgba(255,255,255,.9);
}
.hero-compact strong:after{
  content:"";
  display:block;
  width:42px;
  height:4px;
  margin-top:9px;
  border-radius:999px;
  background:#ffe28a;
  box-shadow:0 0 20px rgba(255,226,138,.45);
}
.download p strong{color:#173f86;font-weight:950}

@media (max-width:720px){
  .hero-compact{left:12px;right:12px;bottom:12px;width:auto;padding:12px 13px;border-radius:18px}
  .hero-compact span{font-size:10px;margin-bottom:5px}
  .hero-compact strong{font-size:clamp(25px,7.4vw,34px);letter-spacing:-.9px}
  .hero-compact p{font-size:12px;line-height:1.42;margin-top:7px}
}
@media (max-width:430px){
  .badges .badge:nth-child(3){display:inline-flex}
  .hero-compact p{display:none}
}