:root {
  --bg: #0b0d1a;
  --txt: #f3f5ff;
  --dim: rgba(243, 245, 255, 0.64);
  --line: rgba(255, 255, 255, 0.14);
  --glass: linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04) 55%, rgba(255, 255, 255, 0.08));
  /* the rim of the LiquidButton component (dark variant) */
  --rim: 0 0 8px rgba(0, 0, 0, 0.03), 0 2px 6px rgba(0, 0, 0, 0.08),
    inset 3px 3px 0.5px -3.5px rgba(255, 255, 255, 0.09), inset -3px -3px 0.5px -3.5px rgba(255, 255, 255, 0.85),
    inset 1px 1px 1px -0.5px rgba(255, 255, 255, 0.6), inset -1px -1px 1px -0.5px rgba(255, 255, 255, 0.6),
    inset 0 0 6px 6px rgba(255, 255, 255, 0.12), inset 0 0 2px 2px rgba(255, 255, 255, 0.06), 0 0 12px rgba(0, 0, 0, 0.15);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --spring: cubic-bezier(.34, 1.56, .5, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--txt); overflow-x: hidden;
  font-family: 'Segoe UI Variable Text', 'Segoe UI', system-ui, -apple-system, 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
svg { display: block; }

/* moving colour light behind everything */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.aurora i { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; animation: drift 22s ease-in-out infinite alternate; }
.aurora i:nth-child(1) { width: 46vw; height: 46vw; left: -10vw; top: -12vw; background: #3b5bff; }
.aurora i:nth-child(2) { width: 40vw; height: 40vw; right: -12vw; top: 10vh; background: #a73bff; animation-duration: 26s; animation-delay: -6s; }
.aurora i:nth-child(3) { width: 34vw; height: 34vw; left: 30vw; top: 70vh; background: #0ec4ff; animation-duration: 30s; animation-delay: -12s; opacity: .35; }
.aurora i:nth-child(4) { width: 30vw; height: 30vw; right: 5vw; top: 140vh; background: #ff4fa3; animation-duration: 28s; opacity: .3; }
@keyframes drift { to { transform: translate(6vw, -5vh) scale(1.15); } }

/* ---------------- nav ---------------- */
.nav {
  position: sticky; top: 14px; z-index: 20; margin: 14px auto 0; width: min(1120px, calc(100% - 32px));
  display: flex; align-items: center; gap: 24px; padding: 10px 12px 10px 16px; border-radius: 22px;
  background: rgba(14, 16, 32, 0.55); backdrop-filter: blur(18px) saturate(160%); -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--rim), 0 10px 30px rgba(0, 0, 0, 0.3);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -.2px; }
.brand img { border-radius: 9px; }
.links { display: flex; gap: 22px; margin-left: 18px; font-size: 14px; color: var(--dim); }
.links a:hover { color: var(--txt); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ---------------- buttons ---------------- */
/* every button is a LiquidButton: transparent, the component's rim of inset highlights, and behind it the page pushed
   through the #container-glass displacement filter (browsers without backdrop-filter: url() get a plain blur) */
.btn, .lang {
  position: relative; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 56px; padding: 0 40px; border-radius: 999px; border: 0; background: transparent;
  font: 600 16px inherit; font-family: inherit; color: #fff; cursor: pointer; user-select: none; white-space: nowrap;
  box-shadow: var(--rim); transition: transform .3s ease, box-shadow .3s ease;
}
.btn::before, .lang::before {
  content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit; overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: url(#container-glass);
}
.btn:hover, .lang:hover { transform: scale(1.05); }
.btn:active, .lang:active { transform: scale(.97); transition-duration: .08s; }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn-glass svg { fill: currentColor; stroke: none; }
.btn-small { height: 40px; padding: 0 20px; font-size: 14px; }
.lang { height: 36px; padding: 0 14px; font-size: 12px; }
.btn.disabled { opacity: .55; cursor: default; }
.btn.disabled:hover { transform: none; }

/* ---------------- hero ---------------- */
.hero { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 90px 0 46px; text-align: center; }
.badge { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border-radius: 999px; font-size: 13px; color: var(--dim); background: rgba(255, 255, 255, 0.06); box-shadow: var(--rim); }
.badge i { width: 8px; height: 8px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 10px #3ddc84; }
h1 { margin: 26px 0 18px; font-size: clamp(42px, 7.4vw, 86px); line-height: 1.02; letter-spacing: -2.5px; font-weight: 750; font-family: 'Segoe UI Variable Display', 'Segoe UI', system-ui, sans-serif; }
h1 em { font-style: normal; background: linear-gradient(100deg, #8fb4ff, #c39bff 45%, #ff8fd0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 680px; margin: 0 auto; font-size: clamp(16px, 2vw, 19px); line-height: 1.55; color: var(--dim); }
.actions { margin-top: 34px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------------- live demo ---------------- */
.demo-wrap { width: min(1120px, calc(100% - 32px)); margin: 20px auto 0; }
.screen {
  position: relative; aspect-ratio: 16 / 9; border-radius: 26px; overflow: hidden;
  box-shadow: var(--rim), 0 40px 90px rgba(0, 0, 0, 0.55); border: 1px solid var(--line);
}
.wall { position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 15% 20%, #4250ff 0, transparent 55%), radial-gradient(90% 80% at 85% 30%, #c038ff 0, transparent 55%),
    radial-gradient(90% 90% at 60% 100%, #ff5a8a 0, transparent 55%), radial-gradient(80% 80% at 30% 90%, #12c6ff 0, transparent 50%), #191b3a;
  filter: saturate(1.2); }
.hint { position: absolute; left: 50%; top: 46%; transform: translateX(-50%); font-size: 14px; color: rgba(255, 255, 255, 0.85); padding: 8px 16px; border-radius: 999px; background: rgba(0, 0, 0, 0.25); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); white-space: nowrap; pointer-events: none; transition: opacity .4s; }
.screen.touched .hint { opacity: 0; }

/* island inside the demo */
.island {
  position: absolute; left: 50%; top: 0; transform: translateX(-50%); width: 34%; height: 9.5%; min-height: 30px;
  border-radius: 0 0 22px 22px; background: rgba(10, 11, 20, 0.6); box-shadow: var(--rim), 0 10px 30px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%);
  overflow: hidden; cursor: pointer; outline: none;
  transition: width .6s var(--ease), height .6s var(--ease), border-radius .6s var(--ease);
}
.island:hover, .island:focus, .island.open { width: 46%; height: 30%; border-radius: 0 0 34px 34px; }
.i-compact { position: absolute; inset: 0; display: flex; align-items: center; gap: 10px; padding: 0 4%; transition: opacity .2s .25s; }
.island:hover .i-compact, .island:focus .i-compact, .island.open .i-compact { opacity: 0; transition-delay: 0s; }
.i-art { width: 22px; height: 22px; border-radius: 6px; flex: none; background: linear-gradient(135deg, #ff7a3d, #e2366f 55%, #3a1c8f); }
.i-art.big { width: 26%; aspect-ratio: 1; height: auto; border-radius: 14px; }
.i-line { flex: 1; text-align: center; font-size: clamp(11px, 1.25vw, 15px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.i-line.swap { animation: lswap .35s ease; }
@keyframes lswap { from { opacity: 0; transform: translateY(6px); } }
.eq { display: flex; gap: 2px; align-items: flex-end; height: 14px; }
.eq i { width: 3px; background: #1ed760; border-radius: 2px; animation: eq .9s ease-in-out infinite; }
.eq i:nth-child(2) { animation-delay: .2s; } .eq i:nth-child(3) { animation-delay: .4s; } .eq i:nth-child(4) { animation-delay: .1s; }
@keyframes eq { 0%, 100% { height: 3px; } 50% { height: 14px; } }
.i-full { position: absolute; inset: 0; padding: 4.5% 5%; opacity: 0; transform: translateY(8px) scale(.97); transition: opacity .2s, transform .3s var(--ease); display: flex; flex-direction: column; justify-content: space-between; }
.island:hover .i-full, .island:focus .i-full, .island.open .i-full { opacity: 1; transform: none; transition: opacity .35s .18s, transform .5s .18s var(--ease); }
.i-row { display: flex; align-items: center; gap: 4%; }
.i-meta { flex: 1; min-width: 0; }
.i-meta b { display: block; font-size: clamp(12px, 1.5vw, 18px); }
.i-meta small { color: var(--dim); font-size: clamp(10px, 1.1vw, 13px); }
.i-bar { margin-top: 8%; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.18); overflow: hidden; }
.i-bar i { display: block; height: 100%; width: 30%; background: linear-gradient(90deg, #cfdcff, #fff); border-radius: 3px; }
.i-clock { font-size: clamp(14px, 2vw, 24px); font-weight: 300; align-self: flex-start; }
.i-ctl { display: flex; justify-content: center; gap: 4%; }
.i-ctl .c { width: clamp(26px, 3.2vw, 38px); aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, 0.06); box-shadow: var(--rim); }
.i-ctl .c svg { width: 46%; height: 46%; fill: #fff; }
.i-ctl .c .st { fill: none; stroke: #fff; stroke-width: 2.4; stroke-linecap: round; }
.i-ctl .c.play { width: clamp(32px, 3.9vw, 46px); background: linear-gradient(180deg, #fff, #dfe6ff); }
.i-ctl .c.play svg { fill: #0b0b12; }

/* dock inside the demo */
.dock {
  position: absolute; left: 50%; bottom: 2.5%; transform: translateX(-50%); display: flex; align-items: flex-end; gap: 8px;
  padding: 8px 12px; border-radius: 22px; background: rgba(14, 16, 32, 0.45); box-shadow: var(--rim), 0 10px 30px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%);
}
.app { position: relative; width: var(--s, 44px); height: var(--s, 44px); border-radius: 26%; display: grid; place-items: center; cursor: pointer;
  background: linear-gradient(145deg, var(--a), var(--b)); box-shadow: inset 0 1.5px 0 rgba(255, 255, 255, 0.45), 0 4px 12px rgba(0, 0, 0, 0.3); }
.app svg { width: 54%; height: 54%; fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.app.run::after { content: ''; position: absolute; bottom: -7px; left: 50%; width: 5px; height: 5px; margin-left: -2.5px; border-radius: 50%; background: rgba(255, 255, 255, 0.85); }
.app.bounce { animation: bounce .6s ease; }
@keyframes bounce { 35% { transform: translateY(-26px); } 65% { transform: none; } 82% { transform: translateY(-8px); } }

/* ---------------- sections ---------------- */
.section { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 110px 0 0; }
h2 { margin: 0; font-size: clamp(30px, 4.4vw, 50px); letter-spacing: -1.2px; line-height: 1.08; text-align: center; font-family: 'Segoe UI Variable Display', 'Segoe UI', system-ui, sans-serif; }
.sub { max-width: 620px; margin: 16px auto 0; text-align: center; color: var(--dim); font-size: 17px; line-height: 1.55; }
.sub.left { margin-left: 0; text-align: left; }
.grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card, .glass-card, .step, .faq details, .cta {
  border-radius: 26px; background: var(--glass); box-shadow: var(--rim), 0 16px 40px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
}
.card { padding: 26px; transition: transform .45s var(--spring); }
.card:hover { transform: translateY(-6px); }
.card .ic { width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; background: linear-gradient(135deg, var(--a), var(--b)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 8px 20px rgba(0, 0, 0, 0.25); }
.card .ic svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin: 18px 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--dim); line-height: 1.55; font-size: 15px; }

/* island views */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split h2 { text-align: left; }
.views { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 8px; }
.views li { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 13px 18px; border-radius: 16px; cursor: pointer; color: var(--dim); transition: background .25s, color .25s, transform .35s var(--spring); }
.views li:hover { background: rgba(255, 255, 255, 0.05); }
.views li.on { color: var(--txt); background: rgba(255, 255, 255, 0.09); box-shadow: var(--rim); transform: translateX(6px); }
.views li b { font-weight: 600; }
.views li span { font-size: 13px; }
.phone { position: relative; height: 230px; overflow: hidden; border-radius: 0 0 40px 40px; background: rgba(10, 11, 20, 0.62); }
.vc { position: absolute; inset: 0; padding: 30px; display: flex; align-items: center; justify-content: center; gap: 22px; opacity: 0; transform: translateY(14px) scale(.97); transition: opacity .3s, transform .5s var(--ease); }
.vc.on { opacity: 1; transform: none; transition-delay: .12s; }
.vc0 > div { flex: 1; }
.vc0 b { display: block; font-size: 20px; } .vc0 small { color: var(--dim); }
.vc0 .i-art.big { width: 120px; }
.vc1 { flex-direction: column; gap: 6px; }
.ly { margin: 0; font-size: 22px; font-weight: 700; } .ly.dim { opacity: .35; filter: blur(.6px); }
.cal { display: grid; grid-template-columns: repeat(7, 32px); gap: 4px; text-align: center; font-size: 13px; }
.cal span { line-height: 28px; border-radius: 50%; } .cal .t { background: #4cc2ff; color: #000; font-weight: 700; } .cal .o { opacity: .3; }
.wx { display: flex; align-items: center; gap: 16px; } .wx span { font-size: 54px; } .wx b { font-size: 52px; font-weight: 300; } .wx small { color: var(--dim); }
.load { width: 100%; display: flex; align-items: flex-end; gap: 22px; } .load b { font-size: 48px; font-weight: 300; color: #3ddc84; }
.cores { flex: 1; display: flex; align-items: flex-end; gap: 4px; height: 90px; }
.cores i { flex: 1; border-radius: 3px; background: #3ddc84; transition: height .6s var(--ease); }
.vc5 { flex-direction: column; gap: 16px; }
.sl { width: 100%; display: flex; align-items: center; gap: 14px; font-size: 20px; }
.track { flex: 1; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, 0.18); overflow: hidden; }
.track i { display: block; height: 100%; background: #4cc2ff; border-radius: 4px; } .track.yel i { background: #ffd166; }

/* steps + faq + cta */
.steps { margin-top: 46px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { padding: 26px; }
.step span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; font-weight: 700; background: linear-gradient(180deg, #fff, #dfe6ff); color: #0b0d1a; box-shadow: var(--rim); }
.step h3 { margin: 16px 0 6px; font-size: 19px; } .step p { margin: 0; color: var(--dim); line-height: 1.5; }
.faq { max-width: 780px; margin: 40px auto 0; display: grid; gap: 12px; }
.faq details { padding: 4px 22px; border-radius: 20px; }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600; font-size: 17px; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 24px; font-weight: 300; transition: transform .35s var(--spring); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 18px; color: var(--dim); line-height: 1.55; }
.cta { padding: 54px 26px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cta img { border-radius: 22px; box-shadow: 0 16px 40px rgba(122, 92, 255, 0.45); margin-bottom: 18px; }
.cta .btn { margin-top: 26px; }
.dls { margin-top: 34px; width: 100%; max-width: 1060px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; text-align: left; }
@media (max-width: 1000px) { .dls { grid-template-columns: 1fr 1fr; } }
.dl { padding: 26px; border-radius: 24px; background: rgba(255, 255, 255, 0.04); box-shadow: var(--rim); display: flex; flex-direction: column; align-items: flex-start; }
.dl .ic { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, #f2f2f2, #9a9a9a); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6); }
.dl .ic svg { width: 25px; height: 25px; fill: none; stroke: #111; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.dl h3 { margin: 16px 0 6px; font-size: 21px; }
.dl p { margin: 0; color: var(--dim); line-height: 1.5; font-size: 15px; flex: 1; }
.dl .btn { margin-top: 20px; height: 50px; padding: 0 30px; }
/* animated download button (after the DownloadButton component): the pill shrinks into a circle, the circle fills
   from the top, a dot runs round it, then it opens again. In black and white like the rest of the page. */
.dlbtn {
  position: relative; display: inline-flex; align-items: center; margin-top: 20px; height: 56px; width: 172px; min-width: 56px;
  border: 2px solid rgba(255, 255, 255, 0.9); border-radius: 999px; overflow: hidden; color: #fff; cursor: pointer; user-select: none;
  box-shadow: var(--rim); transition: width .4s ease-in-out, transform .3s ease;
}
.dlbtn:hover { transform: scale(1.04); }
.dlc {
  position: relative; flex: none; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; overflow: hidden;
  background: #fff; color: #0b0b12; box-shadow: 0 6px 18px rgba(255, 255, 255, 0.22); z-index: 1;
}
.dlc .fill { position: absolute; left: 0; top: 0; width: 100%; height: 0; background: #2d2d33; border-radius: 50%; }
.dlc svg { position: relative; z-index: 2; width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: opacity .2s; }
.dlc .blk { position: absolute; z-index: 2; width: 16px; height: 16px; border-radius: 50%; background: #fff; opacity: 0; transition: opacity .2s; }
.dll { margin-left: 14px; font-weight: 600; font-size: 16px; white-space: nowrap; transition: opacity .4s; }
.orb { position: absolute; inset: 0; margin: auto; width: 8px; height: 8px; border-radius: 50%; background: #fff; opacity: 0; z-index: 3; pointer-events: none; }
.dlbtn.busy { width: 56px; cursor: wait; transform: none; }
.dlbtn.busy .dll { opacity: 0; }
.dlbtn.busy .dlc { animation: dl-turn 1s forwards; }
.dlbtn.busy .fill { animation: dl-fill 3s ease-in-out forwards; }
.dlbtn.busy .dlc svg { opacity: 0; }
.dlbtn.busy .blk { opacity: 1; }
.dlbtn.busy .orb { animation: dl-orbit 3s ease-in-out forwards; }
@keyframes dl-turn { 0% { transform: rotate(0) scale(.95); } 70% { transform: rotate(126deg) scale(1); } 100% { transform: rotate(180deg) scale(.95); } }
@keyframes dl-fill { to { height: 100%; } }
@keyframes dl-orbit {
  0% { opacity: 1; transform: translate(0, 0) rotate(0); } 25% { transform: translate(27px, -27px) rotate(90deg); }
  50% { transform: translate(0, 0) rotate(180deg); } 75% { transform: translate(-27px, 27px) rotate(270deg); }
  95% { opacity: 1; } 100% { opacity: 0; transform: translate(0, 0) rotate(360deg); }
}
.dl small { margin-top: 12px; color: var(--dim); font-size: 12.5px; }
.cta .note { max-width: 640px; margin: 26px auto 0; color: var(--dim); font-size: 13.5px; line-height: 1.5; }
@media (max-width: 700px) { .dls { grid-template-columns: 1fr; } }
.foot { width: min(1120px, calc(100% - 32px)); margin: 90px auto 0; padding: 26px 0 40px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--dim); border-top: 1px solid var(--line); }

/* ---------------- features wheel (a vanilla port of the WorksWheel component) ---------------- */
.wheel-head { padding-top: 110px; }
.wheel { position: relative; height: 100vh; min-height: 560px; max-height: 1000px; overflow: hidden; user-select: none; }
.wh-stage { position: absolute; inset: 0; cursor: grab; outline: none; touch-action: pan-x; }
.wh-stage.grabbing { cursor: grabbing; }
.wh-stage:focus-visible { outline: 2px solid rgba(255, 255, 255, 0.6); outline-offset: -6px; border-radius: 20px; }
.wh-wheel { position: absolute; left: 50%; top: 50%; transform-style: preserve-3d; }
.wh-card { position: absolute; display: block; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.wh-face {
  position: relative; display: block; width: 100%; height: 100%; border-radius: 1.2em; overflow: hidden; transform-origin: center;
  background: radial-gradient(120% 120% at 15% 10%, var(--a), transparent 60%), radial-gradient(120% 120% at 90% 100%, var(--b), transparent 60%), #14162c;
  box-shadow: var(--rim), 0 1.8em 4em -1.8em rgba(0, 0, 0, 0.8);
}
.wh-face .go {
  position: absolute; right: .8em; bottom: .8em; display: flex; align-items: center; gap: .35em; padding: .35em .8em; border-radius: 999px;
  font-size: .7em; color: #fff; background: rgba(10, 12, 24, 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; transform: translateY(.3em); transition: opacity .25s, transform .3s var(--ease);
}
.wh-card:hover .go, .wh-card:focus-visible .go { opacity: 1; transform: none; }
.wh-label, .wh-title { position: absolute; pointer-events: none; font-weight: 700; letter-spacing: -0.03em; font-family: 'Segoe UI Variable Display', 'Segoe UI', system-ui, sans-serif; }
.wh-label { inset: 0; display: flex; align-items: center; justify-content: center; gap: .25em; white-space: nowrap; }
.wh-label em { font-style: normal; background: linear-gradient(100deg, #8fb4ff, #c39bff 45%, #ff8fd0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.wh-title { top: 50%; left: 6%; transform: translateY(-50%); opacity: 0; max-width: 24%; line-height: 1.05; }
.wh-index { position: absolute; top: max(7.5%, 96px); right: 2.5%; margin: 0; padding: 0; list-style: none; text-align: right; line-height: 1.85; }
.wh-index button { border: 0; background: none; padding: 0; font: inherit; color: var(--dim); cursor: pointer; transition: color .2s; }
.wh-index button:hover { color: var(--txt); }
.wh-index button.on { color: var(--txt); font-weight: 600; }
.wh-hint { position: absolute; left: 50%; bottom: 4%; transform: translateX(-50%); font-size: 13px; color: var(--dim); pointer-events: none; transition: opacity .4s; }
.wheel.turned .wh-hint { opacity: 0; }

/* card art, drawn in em: 1em = a tenth of the card's height, so it scales with the wheel */
.art { position: absolute; inset: 0; }
.gl { background: rgba(10, 12, 24, 0.5); box-shadow: var(--rim); backdrop-filter: blur(.4em); -webkit-backdrop-filter: blur(.4em); }
.m-dock { position: absolute; left: 50%; bottom: 1.4em; transform: translateX(-50%); display: flex; align-items: flex-end; gap: .45em; padding: .45em .6em; border-radius: 1.1em; }
.m-dock i { width: 1.5em; height: 1.5em; border-radius: .42em; background: linear-gradient(145deg, var(--c1), var(--c2)); box-shadow: inset 0 .1em 0 rgba(255, 255, 255, 0.5); }
.m-dock i.big { width: 2.4em; height: 2.4em; } .m-dock i.mid { width: 1.9em; height: 1.9em; }
.m-isl { position: absolute; left: 50%; top: 0; transform: translateX(-50%); border-radius: 0 0 1.4em 1.4em; }
.m-isl.small { width: 5em; height: 1.4em; }
.m-isl.big { width: 10.5em; height: 5.2em; padding: .8em; display: flex; gap: .7em; align-items: center; background: rgba(5, 6, 12, 0.78); }
.m-cover { width: 3.2em; height: 3.2em; border-radius: .6em; flex: none; background: linear-gradient(135deg, #ff7a3d, #e2366f 55%, #3a1c8f); }
.m-lines { flex: 1; display: grid; gap: .45em; }
.m-lines b, .m-lines s { display: block; height: .45em; border-radius: .25em; background: rgba(255, 255, 255, 0.85); text-decoration: none; }
.m-lines s { background: rgba(255, 255, 255, 0.35); }
.m-lines .bar { height: .3em; background: linear-gradient(90deg, #fff 45%, rgba(255, 255, 255, 0.22) 45%); }
.m-lyr { position: absolute; left: 1.4em; right: 1.4em; top: 50%; transform: translateY(-50%); display: grid; gap: .8em; }
.m-lyr span { display: block; height: .7em; border-radius: .35em; background: rgba(255, 255, 255, 0.28); filter: blur(.04em); }
.m-lyr span.on { height: .95em; background: #fff; box-shadow: 0 0 1.2em rgba(255, 255, 255, 0.5); filter: none; width: 88%; }
.m-menu { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 10em; padding: .8em; border-radius: 1em; display: grid; gap: .6em; }
.m-menu .q { height: 1.1em; border-radius: .6em; background: rgba(255, 255, 255, 0.12); }
.m-menu .t { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5em; }
.m-menu .t i { aspect-ratio: 1; border-radius: .4em; background: linear-gradient(145deg, var(--c1), var(--c2)); }
.m-blob { position: absolute; left: 50%; top: 50%; width: 6.5em; height: 6.5em; transform: translate(-50%, -50%); border-radius: 46% 54% 52% 48% / 50% 44% 56% 50%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.06)); box-shadow: var(--rim), 0 1em 3em rgba(0, 0, 0, 0.35); animation: blob 9s ease-in-out infinite alternate; }
@keyframes blob { to { border-radius: 54% 46% 44% 56% / 46% 56% 44% 54%; transform: translate(-50%, -50%) rotate(25deg); } }
.m-sl { position: absolute; left: 1.6em; right: 1.6em; top: 50%; transform: translateY(-50%); display: grid; gap: 1.2em; }
.m-sl div { display: flex; align-items: center; gap: .7em; font-size: 1em; }
.m-sl div::after { content: ''; flex: 1; height: .55em; border-radius: .3em; background: linear-gradient(90deg, var(--f) var(--p), rgba(255, 255, 255, 0.2) var(--p)); }
.m-wx { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: .5em; }
.m-wx .sun { width: 3.4em; height: 3.4em; border-radius: 50%; background: radial-gradient(circle, #ffe680, #ffb020); box-shadow: 0 0 2.4em #ffc43d; }
.m-wx b { font-size: 3.2em; font-weight: 300; }
.m-cal { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; grid-template-columns: repeat(7, 1.15em); gap: .4em; }
.m-cal i { height: 1.15em; border-radius: 50%; background: rgba(255, 255, 255, 0.22); }
.m-cal i.t { background: #4cc2ff; box-shadow: 0 0 1em #4cc2ff; }
.m-load { position: absolute; left: 1.6em; right: 1.6em; bottom: 1.6em; top: 2em; display: flex; align-items: flex-end; gap: .3em; }
.m-load i { flex: 1; border-radius: .2em; background: linear-gradient(#3ddc84, #18a85e); }
.m-anim { position: absolute; left: 50%; top: 45%; width: 7em; height: 4.4em; transform: translate(-50%, -50%); border-radius: .9em; border: .12em solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 0 2.4em rgba(110, 170, 255, 0.8), inset 0 0 1.4em rgba(255, 255, 255, 0.2); animation: grow 3s var(--ease) infinite; }
@keyframes grow { 0% { transform: translate(-50%, 40%) scale(.15); opacity: 1; } 70% { opacity: 1; } 100% { transform: translate(-50%, -50%) scale(1); opacity: 0; } }
.m-tog { position: absolute; left: 1.8em; right: 1.8em; top: 50%; transform: translateY(-50%); display: grid; gap: .8em; }
.m-tog div { display: flex; align-items: center; justify-content: space-between; gap: .8em; }
.m-tog div::before { content: ''; flex: 1; height: .55em; border-radius: .3em; background: rgba(255, 255, 255, 0.4); }
.m-tog div::after { content: ''; width: 2.3em; height: 1.3em; border-radius: .65em; background: linear-gradient(90deg, #34c759, #19c3a0); box-shadow: inset -1.05em 0 0 .12em #fff; }
.m-tog div.off::after { background: rgba(255, 255, 255, 0.2); box-shadow: inset 1.05em 0 0 .12em #fff; }

@media (max-width: 700px) {
  .wh-title { top: auto; bottom: 9%; left: 50%; transform: translateX(-50%); max-width: 90%; text-align: center; }
  .wh-index { display: none; }
}

/* ---------------- black and white ----------------
   The coloured parts are drawn in colour and turned grey here, so the whole page reads as one monochrome piece.
   Each filtered element is its own group: the wheel's cards are filtered one by one, a filter on the wheel itself
   would flatten its 3D. */
.aurora i:nth-child(1) { background: #8a8f98; }
.aurora i:nth-child(2) { background: #c9ccd2; opacity: .28; }
.aurora i:nth-child(3) { background: #5d6168; }
.aurora i:nth-child(4) { background: #e9ebee; opacity: .14; }
.screen, .phone, .wh-face, .brand img, .cta img { filter: grayscale(1); }
.wall { filter: none; }
h1 em, .wh-label em { background: linear-gradient(100deg, #fff, #8d8d8d); -webkit-background-clip: text; background-clip: text; }
.badge i { background: #fff; box-shadow: 0 0 10px #fff; }
.cta img { box-shadow: 0 16px 40px rgba(255, 255, 255, 0.12); }

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .links { display: none; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 600px) {
  .nav { gap: 10px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 60px; }
  .screen { aspect-ratio: 4 / 3; border-radius: 18px; }
  .island { width: 54%; } .island:hover, .island:focus, .island.open { width: 84%; height: 40%; }
  .dock { gap: 5px; padding: 6px 8px; }
  .hint { font-size: 12px; }
  .vc { padding: 20px; } .vc0 .i-art.big { width: 90px; }
  .cal { grid-template-columns: repeat(7, 28px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}