/* Pocus: сайт. Стиль ЕГЭЛЕНД в чёрном варианте: Oswald в заголовках, Manrope в тексте,
   PT Serif в цитатах, только чёрный и белый, свечение вместо цвета. */
:root{
  --bg:#050505; --bg2:#0a0a0a; --card:#0c0c0c; --ink:#f4f4f2; --ink2:#bdbdb8; --ink3:#7e7e79; --ink4:#4a4a47;
  --line:#1c1c1c; --line2:#2a2a2a;
  --f-title:"Oswald","Arial Narrow",Arial,sans-serif;
  --f-body:"Manrope","Segoe UI",system-ui,sans-serif;
  --f-serif:"PT Serif",Georgia,serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
::selection{background:var(--ink);color:var(--bg)}
.grain{position:fixed;inset:-50%;z-index:100;pointer-events:none;opacity:.07;
  background-image: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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* шапка */
.top{position:fixed;top:0;left:0;right:0;z-index:50;height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,44px);
  background:linear-gradient(rgba(5,5,5,.86),rgba(5,5,5,.55));backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.top.scrolled{border-color:var(--line)}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--f-title);font-weight:700;font-size:20px;letter-spacing:.16em}
.logo svg{width:28px;height:28px}
.nav{display:flex;gap:30px}
.nav a{color:var(--ink3);font-weight:700;font-size:14px;transition:color .2s}
.nav a:hover{color:var(--ink)}
.top-r{display:flex;align-items:center;gap:10px}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;height:38px;padding:0 12px 0 14px;border-radius:999px;border:1px solid var(--line2);background:transparent;color:var(--ink);font:700 13px var(--f-body);letter-spacing:.06em;cursor:pointer;transition:border-color .2s}
.lang-btn:hover{border-color:var(--ink3)}
.lang-btn svg{width:12px;height:12px}
.lang-list{position:absolute;right:0;top:46px;margin:0;padding:6px;list-style:none;min-width:190px;background:#0d0d0d;border:1px solid var(--line2);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.02)}
.lang-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:12px;font-size:14px;font-weight:700;color:var(--ink2);cursor:pointer}
.lang-list li small{color:var(--ink4);font-size:11px;letter-spacing:.08em}
.lang-list li:hover,.lang-list li.on{background:#181818;color:var(--ink)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:60px;padding:0 30px;border-radius:999px;background:var(--ink);color:#050505;font-family:var(--f-title);font-weight:700;font-size:19px;letter-spacing:.07em;text-transform:uppercase;
  box-shadow:0 0 0 1px rgba(255,255,255,.4),0 10px 40px rgba(255,255,255,.12);transition:transform .2s var(--ease),box-shadow .3s}
.btn:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,255,255,.6),0 14px 60px rgba(255,255,255,.28)}
.btn svg{width:20px;height:20px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line2)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--ink3);transform:translateY(-2px)}

/* первый экран */
.hero{position:relative;overflow-x:clip;min-height:min(100vh,940px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center;gap:20px;max-width:1320px;margin:0 auto;padding:110px clamp(16px,4vw,44px) 60px}
.hero-glow{position:absolute;right:-10%;top:5%;width:900px;height:900px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.10),rgba(255,255,255,.03) 40%,transparent 66%);pointer-events:none;filter:blur(10px)}
.hero-text{position:relative;z-index:4}
.hero-h{white-space:pre-line;font-family:var(--f-title);font-weight:700;text-transform:uppercase;font-size:clamp(44px,5.8vw,96px);line-height:.98;letter-spacing:-.012em;margin:0;max-width:11ch;
  background:linear-gradient(180deg,#fff 30%,#a9a9a5 120%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 40px rgba(255,255,255,.08))}
.hero-p{font-size:clamp(17px,1.5vw,20px);color:var(--ink2);max-width:34ch;margin:28px 0 34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.micro{margin-top:18px;color:var(--ink3);font-size:13.5px}
.micro .size{border:1px solid var(--line2);border-radius:999px;padding:2px 10px;margin-left:6px;font-weight:700;font-size:12px}

.stage{position:relative;height:740px;display:flex;flex-direction:column;align-items:center;justify-content:center;--px:0;--py:0;perspective:1400px}
.device{position:relative;width:322px;height:560px;border-radius:14px;overflow:hidden;z-index:2;background:#0b0b0b;
  box-shadow:0 0 0 1px #2c2c2c,0 40px 120px rgba(0,0,0,.85),0 0 90px rgba(255,255,255,.08);
  transform:rotateY(calc(var(--px)*-5deg)) rotateX(calc(var(--py)*4deg));transition:transform .5s var(--ease)}
.device .slide{position:absolute;left:0;top:0;width:460px;height:800px;border:0;transform:scale(.7);transform-origin:0 0;display:block;background:#0b0b0b;
  opacity:0;visibility:hidden;transition:opacity .55s var(--ease),visibility 0s .55s;object-fit:cover}
.device .slide.on{opacity:1;visibility:visible;transition:opacity .55s var(--ease)}
.device video.slide,.device img.slide{width:100%;height:100%;transform:none}

/* кольцо вокруг окна: лёгкое SVG вместо 3D, целиком в кадре */
.halo{position:absolute;left:50%;top:calc(50% - 34px);width:660px;height:660px;transform:translate(-50%,-50%) rotateY(calc(var(--px)*9deg)) rotateX(calc(var(--py)*-7deg));
  transition:transform .6s var(--ease);pointer-events:none;z-index:1}
.halo svg{width:100%;height:100%;overflow:visible}
.halo .track{fill:none;stroke:#1f1f1f;stroke-width:3}
.halo .arc,.halo .arc-glow{fill:none;stroke:var(--ink);stroke-width:4;stroke-linecap:round;stroke-dasharray:1646 1646;transform:rotate(-90deg);transform-origin:300px 300px;animation:arc 40s linear infinite}
.halo .arc-glow{stroke-width:14;opacity:.35}
.halo .ticks line{stroke:#3a3a3a;stroke-width:1.2}
.halo .ticks line.l{stroke:#8a8a86;stroke-width:2}
@keyframes arc{0%{stroke-dashoffset:120}100%{stroke-dashoffset:1500}}

/* листалка экранов под окном */
.tour{position:relative;z-index:3;display:flex;align-items:center;gap:14px;margin-top:26px;width:min(100%,420px)}
.tour-btn{flex:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--line2);background:rgba(10,10,10,.8);color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s,transform .15s}
.tour-btn:hover{border-color:var(--ink3);background:#151515}
.tour-btn:active{transform:scale(.94)}
.tour-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tour-mid{flex:1;min-width:0}
.tour-bars{display:flex;gap:6px}
.tour-bars i{flex:1;height:3px;border-radius:3px;background:#262626;overflow:hidden;cursor:pointer}
.tour-bars i b{display:block;height:100%;width:0;background:var(--ink)}
.tour-bars i.done b{width:100%}
.tour-cap{display:flex;align-items:baseline;gap:10px;margin-top:12px;font-weight:700;font-size:15px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tour-n{font-family:var(--f-title);color:var(--ink3);letter-spacing:.12em;font-size:13px}

/* полоса фактов */
.facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(90deg,transparent,rgba(255,255,255,.02),transparent)}
.facts-in{max-width:1180px;margin:0 auto;padding:22px 24px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 24px;font-family:var(--f-title);font-weight:500;font-size:15px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink2)}
.facts-in i{width:5px;height:5px;border-radius:50%;background:var(--ink4)}

/* секции */
.sec{max-width:1180px;margin:0 auto;padding:clamp(56px,7vw,96px) clamp(16px,4vw,32px) 0}
.num{display:flex;align-items:center;gap:14px;font-family:var(--f-title);font-weight:500;font-size:14px;letter-spacing:.24em;color:var(--ink3);margin-bottom:14px}
.num::after{content:"";flex:0 0 60px;height:1px;background:var(--line2)}
h2{white-space:pre-line;font-family:var(--f-title);font-weight:700;text-transform:uppercase;font-size:clamp(36px,4.8vw,74px);line-height:1.04;letter-spacing:-.006em;margin:0 0 24px;max-width:17ch}
h3{font-family:var(--f-title);font-weight:700;text-transform:uppercase;font-size:24px;line-height:1.05;margin:12px 0 8px;letter-spacing:.01em}
.lead{font-size:clamp(17px,1.4vw,20px);color:var(--ink2);max-width:56ch;margin:0 0 18px}
.muted{color:var(--ink3);max-width:60ch}
.small{font-size:13px;color:var(--ink3)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:start}

/* цитаты */
.quotes{border-left:1px solid var(--line2);padding-left:clamp(20px,3vw,40px)}
.q-k{font-family:var(--f-title);font-weight:700;font-size:26px;text-transform:uppercase;margin-bottom:18px}
blockquote{margin:0 0 20px;font-family:var(--f-serif);font-style:italic;font-size:clamp(18px,1.5vw,21px);line-height:1.45;color:var(--ink)}
blockquote::before{content:"«"}blockquote::after{content:"»"}
.q-src{color:var(--ink4);font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}

/* калькулятор */
.calc{margin-top:44px;border:1px solid var(--line2);border-radius:30px;padding:clamp(22px,4vw,44px);background:radial-gradient(120% 140% at 100% 0%,rgba(255,255,255,.05),transparent 50%),var(--card)}
.calc-q{font-family:var(--f-title);font-weight:700;text-transform:uppercase;font-size:clamp(22px,2.4vw,32px);line-height:1.05;max-width:24ch}
.calc-row{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin:28px 0 18px}
.calc-v{font-size:14px;color:var(--ink3);white-space:nowrap}
.calc-v b{font-family:var(--f-title);font-size:40px;color:var(--ink);margin-right:4px}
.calc-out{font-size:clamp(18px,1.8vw,24px);color:var(--ink2)}
.calc-out b{font-family:var(--f-title);font-size:clamp(44px,5vw,72px);color:var(--ink);line-height:1;text-shadow:0 0 40px rgba(255,255,255,.25)}
.calc-tail{margin-top:10px;color:var(--ink3)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--ink) var(--p,30%),var(--line2) var(--p,30%))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;margin-top:-10px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 6px rgba(255,255,255,.08),0 0 24px rgba(255,255,255,.5)}
input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:var(--line2)}
input[type=range]::-moz-range-progress{height:4px;border-radius:4px;background:var(--ink)}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border:0;border-radius:50%;background:var(--ink);box-shadow:0 0 24px rgba(255,255,255,.5)}

/* рабочий стол */
.cols-sol{align-items:center}
.desk{position:relative;aspect-ratio:5/4;border-radius:26px;border:1px solid var(--line2);overflow:hidden;
  background:radial-gradient(80% 60% at 50% 110%,rgba(255,255,255,.08),transparent 60%),linear-gradient(#0d0d0d,#070707)}
.desk::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#141414 1px,transparent 1px),linear-gradient(90deg,#141414 1px,transparent 1px);background-size:26px 26px;opacity:.6}
.win{position:absolute;border-radius:12px;background:#121212;border:1px solid #2c2c2c;box-shadow:0 18px 50px rgba(0,0,0,.6);padding:10px 12px;font-size:12.5px;color:var(--ink2);
  transition:opacity .5s var(--ease),transform .6s var(--ease),filter .6s,border-color .4s,box-shadow .4s}
.win::before{content:"";display:block;width:26px;height:6px;border-radius:6px;background:#2a2a2a;margin-bottom:8px}
.win b{color:var(--ink);font-weight:700}
.win i{float:right;font-style:normal;background:var(--ink);color:#050505;border-radius:999px;padding:0 7px;font-weight:700;font-size:11px}
.win span:not(.lines){display:block;height:46%;margin-top:8px;border-radius:8px;background:linear-gradient(135deg,#262626,#151515)}
.lines{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.lines em{display:block;height:5px;border-radius:5px;background:#2a2a2a}
.lines em:nth-child(2){width:80%}.lines em:nth-child(3){width:90%}.lines em:nth-child(4){width:60%}
.w-tg{left:6%;top:8%;width:34%;height:30%}
.w-yt{right:6%;top:6%;width:44%;height:40%}
.w-steam{left:10%;bottom:9%;width:30%;height:28%}
.w-dc{left:30%;top:34%;width:32%;height:28%}
.w-tt{right:9%;bottom:12%;width:24%;height:34%}
.w-doc{left:20%;top:22%;width:42%;height:50%;opacity:.35}
.w-ch{right:12%;top:30%;width:34%;height:38%;opacity:.35}
.desk-timer{position:absolute;left:50%;bottom:6%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:#0b0b0b;border:1px solid var(--ink);font-family:var(--f-title);font-weight:700;font-size:22px;opacity:0;transition:opacity .5s}
.desk-timer .dot{width:8px;height:8px;border-radius:50%;background:var(--ink);animation:blink 2.4s infinite}
@keyframes blink{50%{opacity:.25}}
.desk .win.gone{opacity:0;transform:scale(.86) translateY(10px);filter:blur(6px)}
.desk .win.zap{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink),0 0 50px rgba(255,255,255,.35)}
.desk.calm .w-keep{opacity:1;border-color:#3a3a3a;box-shadow:0 0 60px rgba(255,255,255,.08)}
.desk.calm .desk-timer{opacity:1}

/* шаги */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,30px)}
.step .fig{border-radius:22px;border:1px solid var(--line2);background:radial-gradient(100% 80% at 50% 0%,rgba(255,255,255,.07),transparent 60%),var(--card);padding:26px 26px 0;overflow:hidden;aspect-ratio:4/5;display:flex;justify-content:center}
.step .fig img{width:78%;border-radius:12px 12px 0 0;box-shadow:0 0 0 1px #2a2a2a,0 20px 60px rgba(0,0,0,.6);transition:transform .6s var(--ease)}
.step:hover .fig img{transform:translateY(-8px)}
.step-n{margin-top:18px;color:var(--ink4);font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.step p{color:var(--ink2);margin:0;max-width:34ch}

/* возможности */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{position:relative;border:1px solid var(--line2);border-radius:22px;padding:24px 22px 26px;background:var(--card);transition:border-color .3s,transform .3s var(--ease),box-shadow .3s;overflow:hidden}
.card::after{content:"";position:absolute;inset:auto -30% -60% -30%;height:80%;background:radial-gradient(closest-side,rgba(255,255,255,.07),transparent);opacity:0;transition:opacity .4s}
.card:hover{border-color:#444;transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.card:hover::after{opacity:1}
.card svg{width:34px;height:34px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:22px}
.card p{margin:0;color:var(--ink2);font-size:15.5px;line-height:1.5}

/* тревожная кнопка */
.cols-panic{grid-template-columns:1.2fr .8fr;align-items:center}
.plan{list-style:none;counter-reset:s;margin:30px 0;padding:0;display:flex;flex-direction:column;gap:16px}
.plan li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;color:var(--ink2);font-size:16.5px}
.plan li::before{content:counter(s);width:36px;height:36px;border-radius:50%;background:var(--ink);color:#050505;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;box-shadow:0 0 24px rgba(255,255,255,.25)}
.plan b{color:var(--ink)}
.holdbox{border:1px dashed var(--ink4);border-radius:24px;padding:22px}
.hold-k{font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);margin-bottom:12px}
.hold{position:relative;overflow:hidden;width:100%;height:58px;border-radius:999px;border:1px solid var(--ink3);background:transparent;color:var(--ink);font:700 15px var(--f-body);cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:none}
.hold .fill{position:absolute;inset:0;background:var(--ink);transform-origin:left;transform:scaleX(0)}
.hold .t{position:relative;mix-blend-mode:difference;color:#fff}
.hold.done{border-color:var(--ink);box-shadow:0 0 40px rgba(255,255,255,.3)}
.hold-note{margin-top:12px;font-size:13.5px;color:var(--ink3)}
.phone{justify-self:center;width:min(100%,320px);border-radius:22px;overflow:hidden;box-shadow:0 0 0 1px #2c2c2c,0 40px 100px rgba(0,0,0,.7),0 0 100px rgba(255,255,255,.07)}

/* для кого */
.who{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.who-c{border:1px solid var(--line2);border-radius:24px;padding:28px 26px;background:var(--card)}
.who-c p{color:var(--ink2);margin:16px 0 0}
.who-c .small{margin-top:14px}
.who-adhd{border-style:dashed;border-color:#3a3a3a}
.tag{display:inline-block;background:var(--ink);color:#050505;font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;padding:5px 13px;border-radius:999px}
.tag.soft{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}

/* прозрачность */
.trust{margin:30px 0 26px}
.lbl{font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);margin-bottom:14px}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.list li{position:relative;padding-left:22px;color:var(--ink2)}
.list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;border:1.5px solid var(--ink)}

/* вопросы */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line2)}
.faq details{border-bottom:1px solid var(--line2)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-weight:700;font-size:clamp(17px,1.5vw,20px)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:14px;height:14px;background:linear-gradient(var(--ink),var(--ink)) center/14px 1.6px no-repeat,linear-gradient(var(--ink),var(--ink)) center/1.6px 14px no-repeat;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 24px;color:var(--ink2);max-width:72ch}

/* финал */
.final{position:relative;text-align:center;padding:clamp(80px,10vw,130px) 24px 90px;overflow:hidden}
.final-glow{position:absolute;left:50%;top:60%;width:1100px;height:700px;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(255,255,255,.12),transparent);pointer-events:none}
.final h2{margin:0 auto 24px;max-width:14ch;font-size:clamp(42px,6vw,96px)}
.final .lead{margin:0 auto 34px}
.final .micro{margin-top:18px}

.foot{border-top:1px solid var(--line);padding:34px clamp(16px,4vw,44px) 46px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--ink2);font-size:14px}
.foot b{font-family:var(--f-title);letter-spacing:.14em;margin-right:8px;color:var(--ink)}

/* появление */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* узкие экраны */
@media (max-width:1080px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:120px}
  .hero-text{display:flex;flex-direction:column;align-items:center}
  .hero-h,.hero-p{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .stage{height:720px}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav{display:none}
  .cols,.cols-panic{grid-template-columns:1fr}
  .steps,.who{grid-template-columns:1fr}
  .step .fig{aspect-ratio:auto;max-height:520px}
  .quotes{border-left:0;padding-left:0;border-top:1px solid var(--line2);padding-top:28px}
}
@media (max-width:560px){
  body{font-size:16px}
  .top{height:60px}
  .btn-sm.dl{display:none}
  .stage{height:600px}
  .device{width:276px;height:480px}
  .device .slide{transform:scale(.6)}
  .halo{width:440px;height:440px;top:calc(50% - 40px)}
  .grid{grid-template-columns:1fr}
  .calc-row{grid-template-columns:1fr}
  .btn{height:56px;padding:0 24px;font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}