/* =========================================================
   The Ark Technology Limited — "Night studio"
   One stylesheet for / (studio) and /apps/ (the two app icons)
   ========================================================= */
:root{
  --bg:#04060b;
  --ink:#eef3fb;--ink-2:#c3cddd;--muted:#8f9ab0;--dim:#7d889c;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --ark:#4c8dff;--ark-hi:#8fb6ff;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI Variable Display","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,"Cascadia Mono","Segoe UI Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);--out:cubic-bezier(.16,1,.3,1);
  --wrap:1200px;--gut:24px;
}
@media (max-width:640px){:root{--gut:16px}}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;overflow-x:clip}
img,svg,canvas,picture{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
b,strong{font-weight:600}
::selection{background:rgba(76,141,255,.38);color:#fff}
:focus-visible{outline:2px solid var(--ark-hi);outline-offset:3px}
.skip{position:fixed;left:16px;top:-64px;z-index:300;padding:10px 16px;border-radius:10px;background:#fff;color:#04060b;font-weight:600;transition:top .2s}
.skip:focus{top:12px}
.defs{position:absolute;width:0;height:0;overflow:hidden}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gut)*2);margin:0 auto;padding:0 var(--gut)}
main{position:relative;z-index:1}
[id]{scroll-margin-top:72px}
/* film grain: one static noise tile over everything (also dithers the dark gradients) */
body::after{content:"";position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.05;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- type ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;line-height:1.3;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--ark-hi)}
.h2{font-size:clamp(2.15rem,4.6vw,3.9rem);line-height:1.04;letter-spacing:-.04em;font-weight:640;text-wrap:balance}
.lead{font-size:clamp(1.02rem,1.45vw,1.17rem);line-height:1.65;color:var(--muted);max-width:33em}
/* section label: eyebrow + a rule that draws itself */
.rule-head{display:flex;align-items:center;gap:18px}
.rule-head i{flex:1;height:1px;background:linear-gradient(90deg,rgba(143,182,255,.5),rgba(143,182,255,.07) 70%,transparent);transform-origin:0 50%}
.js:not(.rv-all) .rule-head:not(.in) i{transform:scaleX(0)}
.rule-head.in i{transition:transform 1.6s var(--out) .15s}

/* ---------- buttons ---------- */
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:9px;min-height:48px;padding:12px 22px;border-radius:999px;font-size:15.5px;font-weight:600;letter-spacing:-.01em;line-height:1.2;transition:transform .3s var(--out),background-color .3s,border-color .3s,box-shadow .3s}
.btn svg{width:16px;height:16px;flex:none;transition:transform .35s var(--out)}
.btn-pri{color:#fff;background:linear-gradient(180deg,#3370e6,#2559c9);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 0 0 1px rgba(76,141,255,.5),0 12px 34px -10px rgba(76,141,255,.75)}
.btn-pri:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 0 0 1px rgba(143,182,255,.7),0 18px 40px -10px rgba(76,141,255,.9)}
.btn-ghost{color:var(--ink);background:rgba(255,255,255,.035);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(143,182,255,.55);background:rgba(76,141,255,.1)}
.btn-ghost svg{color:var(--ark-hi)}
.btn:hover .go{transform:translateX(3px)}

/* ---------- reveal on scroll (only when JS runs; content is visible without it) ---------- */
.js [data-rv]{transition:opacity .9s var(--ease) calc(var(--i,0)*95ms),transform 1.1s var(--out) calc(var(--i,0)*95ms)}
.js:not(.rv-all) [data-rv]:not(.in){opacity:0;transform:translate3d(0,28px,0)}
/* looping decoration runs only while its section is on screen (JS adds .is-live) and motion is allowed */
.hero:not(.is-live) .mark-wrap,.hero:not(.is-live) .sky-glow::after,.hero:not(.is-live) .cue i::after,.hero:not(.is-live) .app-halo,
.plats:not(.is-live) .pf-glow,.colo:not(.is-live) .hk-dot,
.door:not(.is-live) .rip i,.door:not(.is-live) .rip::before,
.contact:not(.is-live) .c-mark,
.still .mark-wrap,.still .sky-glow::after,.still .cue i::after,.still .app-halo,.still .pf-glow,.still .hk-dot,.still .rip i,.still .rip::before,
.still .c-mark{animation-play-state:paused}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:60;border-bottom:1px solid transparent;transition:background-color .4s,border-color .4s;animation:fade 1s 1.5s both}
.p-apps .nav{animation-delay:.25s}
.nav.solid,.no-js .nav{background:rgba(5,8,14,.66);border-bottom-color:rgba(255,255,255,.06);-webkit-backdrop-filter:blur(18px) saturate(150%);backdrop-filter:blur(18px) saturate(150%)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;letter-spacing:-.012em;border-radius:8px}
.brand svg{width:26px;height:26px}
.nav nav{display:flex;align-items:center;gap:6px}
.nav nav a{padding:8px 15px;border-radius:999px;font-size:14px;color:var(--ink-2);transition:color .2s,background-color .2s,border-color .2s}
.nav nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav nav a[aria-current="page"]{color:#fff;background:rgba(76,141,255,.16);box-shadow:inset 0 0 0 1px rgba(143,182,255,.32)}
.nav nav .nav-c{border:1px solid var(--line-2)}
@media (max-width:560px){.brand span{display:none}.nav nav a{padding:8px 13px;font-size:13.5px}}

/* =========================================================
   HERO (both pages) — a line of light opens the horizon,
   then a slow sea of lines breathes under the title
   ========================================================= */
.hero{--hz:68%;position:relative;height:100vh;height:100svh;min-height:620px;max-height:1080px;overflow:hidden;isolation:isolate;background:#03050a}
.sky,.sea,.sky-glow,.hz-line{position:absolute;pointer-events:none}
.sky{inset:0;z-index:-3;background:linear-gradient(180deg,#02040a 0%,#040814 38%,#071126 calc(var(--hz) - 2%),#050a16 calc(var(--hz) + 6%),#04070f 88%,var(--bg) 100%)}
.sky-glow{left:50%;top:var(--hz);z-index:-2;width:min(1500px,170vw);aspect-ratio:2.4;transform:translate(-50%,-50%);
  background:radial-gradient(closest-side,rgba(96,150,255,.32),rgba(76,141,255,.12) 38%,rgba(40,80,170,.05) 62%,transparent 80%);
  animation:glowIn 2.6s .3s var(--ease) both}
.sky-glow::after{content:"";position:absolute;inset:32% 30%;border-radius:50%;background:radial-gradient(closest-side,rgba(170,205,255,.2),transparent);animation:breathe 9s ease-in-out infinite}
.hz-line{left:0;right:0;top:var(--hz);height:1px;z-index:-1;background:linear-gradient(90deg,transparent,rgba(120,165,255,.3) 22%,rgba(215,232,255,.95) 50%,rgba(120,165,255,.3) 78%,transparent);transform-origin:50% 50%;animation:hzOpen 1.8s .1s var(--out) both}
.sea{inset:0;z-index:-1;width:100%;height:100%;-webkit-mask-image:linear-gradient(180deg,#000 0,#000 84%,transparent);mask-image:linear-gradient(180deg,#000 0,#000 84%,transparent)}
.js .sea{opacity:0;transition:opacity 2.6s ease .9s}
.js .sea.on{opacity:1}
.hero-in{position:absolute;left:0;right:0;top:64px;height:calc(var(--hz) - 64px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 var(--gut);will-change:transform,opacity}
.mark-wrap{position:relative;width:clamp(66px,7.6vw,92px);margin-bottom:clamp(26px,3.4vw,40px);animation:float 8s 2.6s ease-in-out infinite}
.mark-wrap::before{content:"";position:absolute;left:50%;top:58%;width:330%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(closest-side,rgba(76,141,255,.42),rgba(76,141,255,.1) 45%,transparent);animation:bloom 2.4s 1.05s var(--ease) both;z-index:-1}
.mark{width:100%;height:auto;overflow:visible}
.mark path{animation:draw .9s var(--ease) both}
.mark .m-hull{animation-delay:.2s}
.mark .m-cabin{animation-delay:.55s}
.mark .m-roof{animation-delay:.82s;animation-duration:.75s}
.mark .m-fill{animation:fillIn .7s .78s ease both}
.hero .eyebrow{animation:rise 1s .95s var(--out) both}
.hero .eyebrow::before,.hero .eyebrow::after{content:"";width:28px;height:1px;background:linear-gradient(90deg,transparent,currentColor)}
.hero .eyebrow::after{transform:scaleX(-1)}
.hero h1{margin-top:18px;font-size:clamp(2.5rem,6.4vw,5.1rem);line-height:1.02;letter-spacing:-.042em;font-weight:620;text-wrap:balance;max-width:13em;
  color:#f4f8ff;text-shadow:0 0 50px rgba(76,141,255,.25)}
.hero h1 .w{display:inline-block;animation:word 1.15s var(--out) both;animation-delay:calc(1.05s + var(--i)*.1s)}
.hero .lead{margin-top:clamp(18px,2.2vw,26px);text-align:center;max-width:30em;animation:rise 1s 1.5s var(--out) both}
.hero .cta{justify-content:center;margin-top:clamp(24px,3vw,36px);animation:rise 1s 1.68s var(--out) both}
.cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;padding:6px 10px;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);animation:fade 1s 2.4s both;border-radius:8px}
.cue i{position:relative;display:block;width:1px;height:38px;background:linear-gradient(180deg,rgba(143,182,255,.5),rgba(143,182,255,0));overflow:hidden}
.cue i::after{content:"";position:absolute;left:-1px;top:0;width:3px;height:10px;border-radius:2px;background:#cfe0ff;animation:drip 2.4s ease-in-out infinite}
.motion{position:absolute;right:var(--gut);bottom:22px;display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(8,12,20,.5);color:var(--dim);font:500 12px/1 var(--sans);cursor:pointer;animation:fade 1s 2.4s both;transition:color .2s,border-color .2s}
.motion:hover{color:var(--ink);border-color:var(--line-2)}
.motion svg{width:12px;height:12px}
.motion .i-play,.still .motion .i-pause{display:none}
.still .motion .i-play{display:block}
.no-js .motion{display:none}

@keyframes draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes fillIn{from{opacity:0}to{opacity:1}}
@keyframes bloom{from{opacity:0;transform:translate(-50%,-50%) scale(.55)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@keyframes hzOpen{from{transform:scaleX(0);opacity:0}30%{opacity:1}to{transform:scaleX(1);opacity:1}}
@keyframes glowIn{from{opacity:0}to{opacity:1}}
@keyframes breathe{0%,100%{opacity:.7}50%{opacity:1}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@keyframes word{from{opacity:0;transform:translateY(.42em)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes drip{0%{transform:translateY(-12px);opacity:0}30%{opacity:1}100%{transform:translateY(40px);opacity:0}}

/* =========================================================
   HOME · THE STUDIO — a statement that lights up as you read,
   then the three platforms standing on the same horizon
   ========================================================= */
.studio{position:relative;padding:clamp(96px,11vw,168px) 0 clamp(80px,9vw,132px);overflow-x:clip}
.studio .key{position:absolute;pointer-events:none;border-radius:50%;z-index:-1;left:-260px;top:8%;width:900px;height:900px;background:radial-gradient(closest-side,rgba(76,141,255,.09),transparent)}
.studio .rule-head{margin-bottom:clamp(30px,3.8vw,48px)}
.say{max-width:21.5em;font-size:clamp(1.8rem,3.75vw,3.35rem);line-height:1.16;letter-spacing:-.034em;font-weight:580;color:var(--ink);text-wrap:pretty}
.say .k{color:var(--ark-hi);white-space:nowrap}
/* JS splits the words; each one wakes as the paragraph passes the reading line */
.say.scrub .sw{opacity:.22;transition:opacity .45s ease}
.say.scrub .sw.lit{opacity:1}

/* colophon: who, where, what time it is there */
.colo{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(48px,6vw,80px);border-top:1px solid var(--line)}
.colo div{padding:18px clamp(14px,2vw,26px) 4px 0}
.colo div + div{padding-left:clamp(14px,2vw,26px);border-left:1px solid var(--line)}
.colo dt{font-size:11.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--dim)}
.colo dd{display:flex;align-items:center;gap:9px;margin-top:8px;font-size:clamp(1rem,1.45vw,1.14rem);font-weight:560;letter-spacing:-.014em;color:var(--ink)}
.hk{font-variant-numeric:tabular-nums}
.hk-dot{flex:none;width:7px;height:7px;border-radius:50%;background:var(--ark-hi);box-shadow:0 0 12px var(--ark);animation:pulse 2.4s ease-in-out infinite}
.no-js .hk-dot{display:none}
@keyframes pulse{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}

/* platforms */
.pf-head{margin:clamp(72px,8.4vw,120px) 0 22px}
.pf-head .eyebrow{color:var(--muted);font-size:12px}
.pf-head i{background:linear-gradient(90deg,var(--line-2),transparent)}
.plats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.pf{--phz:68%;position:relative;border-radius:24px;border:1px solid var(--line);overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.012) 60%,rgba(76,141,255,.03));transition:border-color .45s}
.pf::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(380px circle at var(--mx,50%) var(--my,-30%),rgba(143,182,255,.12),transparent 65%);opacity:0;transition:opacity .4s}
.pf::after{content:"";position:absolute;left:24px;right:24px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent)}
.pf:hover{border-color:rgba(143,182,255,.3)}
.pf:hover::before{opacity:1}
.pf-art{position:relative;aspect-ratio:1.38}
/* a few faint stars above each horizon (mirrored per panel so no two skies repeat) */
.pf-art::before{content:"";position:absolute;inset:0 0 40% 0;z-index:-1;opacity:.7;
  background:radial-gradient(circle at 11% 24%,rgba(214,228,255,.85) 0 .8px,transparent 1.4px),radial-gradient(circle at 23% 62%,rgba(214,228,255,.5) 0 .7px,transparent 1.3px),
    radial-gradient(circle at 37% 12%,rgba(214,228,255,.7) 0 .9px,transparent 1.5px),radial-gradient(circle at 64% 30%,rgba(214,228,255,.45) 0 .7px,transparent 1.3px),
    radial-gradient(circle at 79% 15%,rgba(214,228,255,.8) 0 1px,transparent 1.6px),radial-gradient(circle at 90% 50%,rgba(214,228,255,.5) 0 .7px,transparent 1.3px),
    radial-gradient(circle at 52% 48%,rgba(214,228,255,.35) 0 .6px,transparent 1.2px)}
.pf:nth-child(2) .pf-art::before{transform:scaleX(-1)}
.pf:nth-child(3) .pf-art::before{transform:scaleY(-1);inset:4% 0 38% 0}
.pf-glow{position:absolute;left:50%;top:var(--phz);width:92%;aspect-ratio:2.3;transform:translate(-50%,-50%);border-radius:50%;z-index:-1;
  background:radial-gradient(closest-side,rgba(96,150,255,.3),rgba(76,141,255,.09) 52%,transparent);animation:breathe 8s ease-in-out infinite;animation-delay:calc(var(--i,0)*-2.7s)}
.pf-hz{position:absolute;left:0;right:0;top:var(--phz);height:1px;background:linear-gradient(90deg,transparent,rgba(120,165,255,.2) 18%,rgba(205,225,255,.8) 50%,rgba(120,165,255,.2) 82%,transparent)}
.pf-g,.pf-r{position:absolute;left:50%;width:var(--gw,56%);height:auto;overflow:visible;fill:none;stroke:var(--ark-hi);stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1 1;stroke-dashoffset:0;transition:transform .7s var(--out)}
.pf-g{bottom:calc(100% - var(--phz) + 1px);transform:translateX(-50%);filter:drop-shadow(0 0 7px rgba(76,141,255,.55))}
.pf-r{top:calc(var(--phz) + 2px);transform:translateX(-50%) scaleY(-1);opacity:.2;-webkit-mask-image:linear-gradient(0deg,#000,transparent 62%);mask-image:linear-gradient(0deg,#000,transparent 62%)}
.pf:hover .pf-g{transform:translateX(-50%) translateY(-5px)}
.pf:hover .pf-r{transform:translateX(-50%) translateY(5px) scaleY(-1)}
.pf .pa{stroke-dasharray:none;opacity:1}
.js:not(.rv-all) .pf:not(.in) :is(.pf-g,.pf-r){stroke-dashoffset:1}
.js:not(.rv-all) .pf:not(.in) .pa{opacity:0}
.pf.in :is(.pf-g,.pf-r){transition:stroke-dashoffset 1.9s var(--ease) calc(var(--i,0)*140ms + .3s),transform .7s var(--out)}
.pf.in .pa{transition:opacity 1s ease calc(var(--i,0)*140ms + 1.5s)}
.pf-cap{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:0 24px 22px}
.pf-cap b{font-size:clamp(1.08rem,1.6vw,1.3rem);font-weight:630;letter-spacing:-.022em;line-height:1.2}
.pf-cap span{font:500 12.5px/1.2 var(--mono);letter-spacing:.04em;color:var(--muted)}

/* door to the Apps page: rings spread across dark water */
/* the whole ring field sits below the copy, inside the section, so no ring is ever cut */
.door{--rw:min(1120px,172vw);position:relative;padding:clamp(56px,6vw,96px) 0 calc(var(--rw) / 4.4 + clamp(46px,5vw,76px));text-align:center;overflow:hidden;isolation:isolate}
.rip{position:absolute;left:50%;bottom:clamp(14px,2vw,30px);width:var(--rw);aspect-ratio:4.4;transform:translateX(-50%);z-index:-1;pointer-events:none}
.rip::before{content:"";position:absolute;inset:34% 36%;border-radius:50%;background:radial-gradient(closest-side,rgba(120,168,255,.42),rgba(76,141,255,.1) 58%,transparent);animation:breathe 6s ease-in-out infinite}
/* rings lit from the front: faint at the far edge, bright at the near one */
.rip i{position:absolute;inset:0;border-radius:50%;border:1px solid;border-color:rgba(150,188,255,.2) rgba(150,188,255,.42) rgba(185,212,255,.85);opacity:0;transform:scale(.08);animation:ripple 11s cubic-bezier(.22,.6,.36,1) infinite}
.rip i:nth-child(2){animation-delay:-2.2s}
.rip i:nth-child(3){animation-delay:-4.4s}
.rip i:nth-child(4){animation-delay:-6.6s}
.rip i:nth-child(5){animation-delay:-8.8s}
@keyframes ripple{0%{transform:scale(.08);opacity:0}14%{opacity:.75}100%{transform:scale(1);opacity:0}}
.door .eyebrow{color:var(--ark-hi)}
.door h2{margin-top:18px}
.door-link{display:inline-flex;align-items:center;gap:.22em;font-size:clamp(2.55rem,7.4vw,6.5rem);line-height:1.02;letter-spacing:-.046em;font-weight:640;color:#f4f8ff;text-shadow:0 0 60px rgba(76,141,255,.32);border-radius:14px}
.door-link svg{flex:none;width:.6em;height:.6em;margin-top:.06em;color:var(--ark-hi);transition:transform .55s var(--out)}
.door-link:hover svg,.door-link:focus-visible svg{transform:translateX(.14em)}
.door-link span{background:linear-gradient(currentColor,currentColor) 0 100%/0 2px no-repeat;padding-bottom:.04em;transition:background-size .6s var(--out)}
.door-link:hover span{background-size:100% 2px}
.door .lead{margin:24px auto 0;text-align:center;max-width:34em}

/* =========================================================
   APPS — two lights on the night-sea horizon. Each app icon
   glows like a lamp and casts its own path across the water;
   pointing at one (or tabbing to it) turns its light up.
   The icons are the page: each one opens that app's own page.
   ========================================================= */
/* --isz icon size · --aw width of one app · --ag gap between them · --x0/--x1 where the two lights stand */
.hero-apps{--hz:70%;--isz:clamp(84px,min(8vw + 18px,14vh),128px);--aw:calc(var(--isz) + 76px);--ag:clamp(48px,11vw,200px);
  --x0:calc(50% - (var(--aw) + var(--ag)) / 2);--x1:calc(50% + (var(--aw) + var(--ag)) / 2);
  height:100vh;height:100svh;min-height:640px;max-height:1120px}
.hero-apps .sky-glow{left:0;width:100%;height:52%;aspect-ratio:auto;transform:translateY(-50%);background:radial-gradient(64% 50% at 50% 50%,rgba(40,80,170,.1),transparent)}
.hero-apps .sky-glow::after{display:none}
/* the horizon is brightest where the two lights stand */
.hero-apps .hz-line{background:linear-gradient(90deg,transparent,rgba(120,165,255,.2) 8%,rgba(200,223,255,.85) var(--x0),rgba(120,165,255,.34) 50%,rgba(200,223,255,.85) var(--x1),rgba(120,165,255,.2) 92%,transparent)}
.hero-apps .hero-in{justify-content:flex-end;padding-bottom:clamp(22px,4.4vh,50px);will-change:auto}
.hero-apps .eyebrow{animation-delay:.3s}
.hero-apps h1{margin-top:16px;font-size:clamp(2rem,min(3.6vw,6vh),3.25rem)}
.hero-apps h1 .w{animation-delay:calc(.42s + var(--i)*.1s)}

/* each light where it meets the horizon, and its reflection down the water: the icon itself, flipped,
   stretched and blurred into a soft column of its own colours (plain CSS, so it is there without JS too) */
.beam{position:absolute;left:var(--x);top:var(--hz);z-index:-2;width:calc(var(--isz)*3.4);height:calc(100% - var(--hz));translate:-50% 0;pointer-events:none;opacity:.74;transition:opacity .7s var(--ease)}
.beam::before,.beam-r{animation:glowIn 2.4s var(--ease) both;animation-delay:calc(1s + var(--i,0)*.16s)}
.beam::before{content:"";position:absolute;left:50%;top:0;width:88%;aspect-ratio:3.6;translate:-50% -50%;border-radius:50%;background:radial-gradient(closest-side,rgba(var(--c1),.46),rgba(var(--c2),.14) 52%,transparent)}
.beam-r{position:absolute;inset:0;-webkit-mask-image:linear-gradient(180deg,#000,rgba(0,0,0,.45) 42%,transparent 88%);mask-image:linear-gradient(180deg,#000,rgba(0,0,0,.45) 42%,transparent 88%)}
.beam-r picture{position:absolute;left:50%;top:3px;width:calc(var(--isz)*.9);aspect-ratio:1;margin-left:calc(var(--isz)*-.45);transform-origin:50% 0;transform:scaleY(-1.9) translateY(-100%);filter:blur(16px) saturate(1.3);filter:blur(calc(var(--isz)*.09)) saturate(1.3);opacity:.5}
.beam-r img{width:100%;height:100%}
.b-bc{--x:var(--x0);--i:0}
.b-cx{--x:var(--x1);--i:1}
/* light colours taken from the icons: Barcoder's blue-to-green, ChatExtra's teal bubble */
.app-bc,.b-bc{--c1:52,200,168;--c2:72,118,238}
.app-cx,.b-cx{--c1:95,212,203;--c2:58,124,214}

.apps{display:flex;justify-content:center;gap:var(--ag);margin-top:clamp(40px,7.4vh,80px)}
.apps li{flex:none;width:var(--aw)}
/* the whole lamp (icon, name, platforms) is one link */
.app{--ir:calc(var(--isz)*var(--irk));position:relative;isolation:isolate;display:flex;flex-direction:column;align-items:center;width:100%;padding:12px 8px 14px;border-radius:30px;text-align:center;-webkit-tap-highlight-color:transparent;
  animation:lampIn 1.3s var(--out) both;animation-delay:calc(.9s + var(--i,0)*.16s)}
.app-bc{--irk:.223}
.app-cx{--irk:.245}
.app-art{position:relative;width:var(--isz);aspect-ratio:1;transition:opacity .5s var(--ease)}
.app-halo{position:absolute;left:50%;top:50%;z-index:-1;width:310%;aspect-ratio:1;translate:-50% -50%;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(var(--c1),.3),rgba(var(--c2),.1) 48%,transparent 74%);animation:breathe 7s ease-in-out infinite;animation-delay:calc(var(--i,0)*-3.4s)}
.app-halo::after{content:"";position:absolute;inset:22%;border-radius:50%;background:radial-gradient(closest-side,rgba(var(--c1),.4),transparent);opacity:0;transition:opacity .6s var(--ease)}
/* the icon's own colours, blurred, glowing just around it */
.app-amb{position:absolute;inset:4%;z-index:-1;pointer-events:none;filter:blur(28px) saturate(1.5);filter:blur(calc(var(--isz)*.16)) saturate(1.5);opacity:.7;transition:opacity .6s var(--ease),scale .6s var(--out)}
.app-amb picture,.app-amb img{width:100%;height:100%}
.app-ico{position:relative;display:block;width:100%;height:100%;border-radius:var(--ir);
  transform:perspective(780px) translate3d(0,var(--lift,0px),0) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--sc,1));
  box-shadow:0 30px 52px -24px rgba(0,0,0,.95),0 14px 34px -16px rgba(var(--c2),.6);transition:transform .55s var(--out),box-shadow .55s var(--out)}
.app-ico picture,.app-ico img{width:100%;height:100%;border-radius:inherit}
/* rim light, and a soft glare that follows the pointer */
.app-ico::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.16),inset 0 0 0 1px rgba(255,255,255,.035)}
.app-glare{position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(circle at var(--gx,50%) var(--gy,6%),rgba(255,255,255,.3),rgba(255,255,255,0) 62%);opacity:0;transition:opacity .45s ease}
/* keyboard focus: a ring of light that follows the icon's own corners */
.app-ico::before{content:"";position:absolute;inset:-9px;border-radius:calc(var(--ir) + 9px);pointer-events:none;box-shadow:0 0 0 2px var(--ark-hi),0 0 26px 2px rgba(143,182,255,.42);opacity:0;transition:opacity .2s}
.app-name{margin-top:clamp(14px,1.8vw,22px);font-size:clamp(1.02rem,1.3vw,1.25rem);font-weight:620;letter-spacing:-.022em;line-height:1.2;color:var(--ink);transition:color .3s}
.app-pf{margin-top:6px;font-size:13px;line-height:1.35;letter-spacing:.01em;color:var(--muted);white-space:nowrap;transition:color .3s}
@keyframes lampIn{from{opacity:0;transform:translate3d(0,28px,0) scale(.96)}to{opacity:1;transform:none}}

/* the chosen light turns up, the other one dims a little */
.app:focus-visible{outline:2px solid transparent;--lift:-8px;--sc:1.035}   /* the ring is drawn on the icon; forced-colors mode shows this outline instead */
.app:focus-visible .app-ico::before,.app:focus-visible .app-glare,.app:focus-visible .app-halo::after{opacity:1}
.app:focus-visible .app-name{color:#fff}
.app:focus-visible .app-pf{color:var(--ink-2)}
.app:focus-visible .app-amb{opacity:.9;scale:1.08}
.apps:has(.app:focus-visible) .app:not(:focus-visible) .app-art{opacity:.74}
.hero-apps:has(.app-bc:focus-visible) .b-bc,.hero-apps:has(.app-cx:focus-visible) .b-cx{opacity:1}
.hero-apps:has(.app-bc:focus-visible) .b-cx,.hero-apps:has(.app-cx:focus-visible) .b-bc{opacity:.3}
@media (hover:hover){
  .app:hover{--lift:-8px;--sc:1.035}
  .app:hover .app-glare,.app:hover .app-halo::after{opacity:1}
  .app:hover .app-name{color:#fff}
  .app:hover .app-pf{color:var(--ink-2)}
  .app:hover .app-amb{opacity:.9;scale:1.08}
  .apps:has(.app:hover) .app:not(:hover) .app-art{opacity:.74}
  .hero-apps:has(.app-bc:hover) .b-bc,.hero-apps:has(.app-cx:hover) .b-cx{opacity:1}
  .hero-apps:has(.app-bc:hover) .b-cx,.hero-apps:has(.app-cx:hover) .b-bc{opacity:.3}
}
.app:active{--sc:.97}

/* a slim line to write to us, between the sea and the footer */
.reach{position:relative;padding:clamp(18px,2.2vw,30px) 0 clamp(36px,4.6vw,60px);text-align:center}
.reach-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:2px 14px;font-size:15.5px;line-height:1.5;color:var(--muted)}
.reach-in svg{flex:none;width:24px;height:24px;filter:drop-shadow(0 0 12px rgba(76,141,255,.55))}
.reach-in a{display:inline-flex;align-items:center;min-height:44px;padding:0 4px;border-radius:8px;color:var(--ink);font-weight:600;transition:color .25s}
.reach-in a span{padding-bottom:2px;background:linear-gradient(var(--ark-hi),var(--ark-hi)) 0 100%/0 1px no-repeat;transition:background-size .5s var(--out)}
.reach-in a:hover{color:#fff}
.reach-in a:hover span{background-size:100% 1px}

/* =========================================================
   CONTACT / CLOSING SHOT — mirrors the opening one
   ========================================================= */
/* the horizon is anchored to the bottom (--sea of water below it), so the copy above can never run into it */
.contact{--sea:clamp(170px,16vw,230px);position:relative;min-height:clamp(560px,70vh,760px);padding:clamp(96px,11vw,150px) 0 calc(var(--sea) + clamp(72px,8vw,110px));text-align:center;overflow:hidden;isolation:isolate}
.contact .sea{-webkit-mask-image:linear-gradient(180deg,#000 0,#000 90%,transparent);mask-image:linear-gradient(180deg,#000 0,#000 90%,transparent)}
.c-glow{position:absolute;left:50%;bottom:var(--sea);z-index:-2;width:min(1300px,170vw);aspect-ratio:2.6;transform:translate(-50%,50%);pointer-events:none;
  background:radial-gradient(closest-side,rgba(96,150,255,.26),rgba(76,141,255,.09) 42%,transparent 78%)}
.c-hz{position:absolute;left:0;right:0;bottom:var(--sea);z-index:-1;height:1px;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(120,165,255,.25) 25%,rgba(215,232,255,.8) 50%,rgba(120,165,255,.25) 75%,transparent)}
.c-mark{width:60px;margin:0 auto;filter:drop-shadow(0 0 26px rgba(76,141,255,.55));animation:float 8s ease-in-out infinite}
.contact .h2{margin-top:28px}
.contact .lead{margin:20px auto 0;text-align:center}
.contact .cta{justify-content:center;margin-top:34px}
.contact .btn{min-height:54px;padding:14px 26px;font-size:16.5px}
.door + .contact{padding-top:clamp(64px,7vw,104px)}

/* footer */
.foot{position:relative;z-index:1;border-top:1px solid var(--line);padding:38px 0 44px;color:var(--muted);font-size:14px;background:var(--bg)}
.foot-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 40px}
.foot-brand{display:flex;align-items:center;gap:12px;border-radius:10px}
.foot-brand svg{width:30px;height:30px}
.foot-brand b{display:block;color:var(--ink);font-size:15px;letter-spacing:-.01em}
.foot-brand span{display:block;font-size:13px}
.foot nav{display:flex;flex-wrap:wrap;gap:4px 6px}
.foot nav a{padding:6px 10px;border-radius:8px;transition:color .2s,background-color .2s}
.foot nav a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.foot-bot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.05);font-size:12.5px;color:var(--dim)}
.foot-bot p:last-child{max-width:46em}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:760px){
  .colo{grid-template-columns:1fr 1fr}
  .colo div:nth-child(3){grid-column:1/-1;padding-left:0;border-left:0;border-top:1px solid var(--line);margin-top:14px}
}
@media (max-width:640px){
  .hero{--hz:71%}
  .hero h1{font-size:clamp(2.3rem,10.6vw,3.2rem);margin-top:14px}
  .hero .lead{font-size:1rem;max-width:21em}
  .hero .cta .btn{padding:11px 18px;font-size:14.5px}
  .cue{display:none}
  .motion{right:50%;transform:translateX(50%);bottom:18px}
  .hero-apps{--hz:68%;--isz:clamp(72px,24vw,100px);--aw:calc(var(--isz) + 30px);--ag:clamp(16px,6vw,40px);min-height:560px}
  .hero-apps h1{font-size:clamp(2rem,9vw,2.6rem)}
  .apps{margin-top:clamp(30px,5.6vh,52px)}
  .app{padding:10px 4px 12px;border-radius:24px}
  .app-name{margin-top:14px;font-size:clamp(.98rem,4.2vw,1.1rem)}
  .app-pf{font-size:12px}
  .reach-in{font-size:14.5px}

  .say{font-size:clamp(1.62rem,7.4vw,2.2rem);line-height:1.2}
  .pf-head{margin-top:60px}
  .plats{gap:8px}
  .pf{--phz:66%;border-radius:16px}
  .pf::after{left:14px;right:14px}
  .pf-art{aspect-ratio:.92}
  .pf-g,.pf-r{--gw:74%!important;stroke-width:1.8}
  .pf-cap{flex-direction:column;align-items:center;gap:3px;padding:0 6px 14px;text-align:center}
  .pf-cap b{font-size:14.5px}
  .pf-cap span{font-size:10.5px}
  .door .lead{max-width:20em}

  .contact{min-height:0;padding-top:88px}
  .contact .cta{flex-direction:column;align-items:center}
  .foot-top{flex-direction:column;align-items:flex-start}
  .foot nav{margin-left:-10px}
}
/* portrait tablets: lift the horizon so the lights do not sit low in a tall, empty sky */
@media (min-width:641px) and (max-aspect-ratio:4/5){.hero-apps{--hz:64%}}
@media (max-width:480px){
  .hero .eyebrow{flex-direction:column;gap:4px;font-size:11px;letter-spacing:.18em}
  .hero .eyebrow::before,.hero .eyebrow::after{display:none}
  .eb-sep{display:none}
}
@media (max-width:360px){
  .app-pf{font-size:11px;letter-spacing:0}
}
@media (max-height:740px) and (min-width:641px){
  .mark-wrap{width:60px;margin-bottom:18px}
  .hero h1{font-size:clamp(2.3rem,5.2vw,4rem)}
  .hero .lead{margin-top:14px}
  .hero .cta{margin-top:20px}
  .apps{margin-top:clamp(24px,4.4vh,36px)}
  .app-name{margin-top:16px}
}

/* =========================================================
   CALM STATIC VERSION
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js:not(.rv-all) [data-rv]:not(.in){opacity:1;transform:none}
  .js .sea{opacity:1}
  .js:not(.rv-all) .rule-head:not(.in) i{transform:none}
  .js:not(.rv-all) .pf:not(.in) :is(.pf-g,.pf-r){stroke-dashoffset:0}
  .js:not(.rv-all) .pf:not(.in) .pa{opacity:1}
  .say.scrub .sw{opacity:1}
  .rip i{opacity:var(--o);transform:scale(var(--s))}
  .rip i:nth-child(1){--s:.22;--o:.66}
  .rip i:nth-child(2){--s:.4;--o:.5}
  .rip i:nth-child(3){--s:.58;--o:.36}
  .rip i:nth-child(4){--s:.77;--o:.22}
  .rip i:nth-child(5){--s:.96;--o:.11}
  .motion{display:none}
}