/* =========================================================
   FlowEdge · OrderFlow — landing page
   Màu: nền mực xanh-đen, một màu nhấn cyan điện (= bên mua chủ động),
   đỏ san hô chỉ dùng cho dữ liệu bên bán.
   Chữ: Archivo rộng (khớp logo) cho tiêu đề, Be Vietnam Pro cho thân bài,
   JetBrains Mono chỉ dùng trong bảng dữ liệu.
   ========================================================= */
:root{
  --ink:#05080b; --deck:#0a1117; --deck2:#0e1820; --rule:#172530; --rule2:#22333f;
  --text:#e9f0f4; --mute:#8d9ca7; --dim:#5d6d78;
  --cyan:#46e3ff; --cyan-d:#1b8fb0; --blue:#1d5bff; --sell:#ff6470;
  --cyan-glow:rgba(70,227,255,.18);
  --display:"Archivo",system-ui,sans-serif; --body:"Be Vietnam Pro",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
  --wrap:1440px; --gut:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);font:400 16.5px/1.65 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--cyan);color:#001017;padding:8px 14px;border-radius:8px;font-weight:600}
.skip:focus{left:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
h1,h2,h3{font-family:var(--display);font-stretch:118%;letter-spacing:-.015em;margin:0;color:#fff}
h2{font-size:clamp(28px,3.6vw,44px);line-height:1.08;font-weight:800}
h3{font-size:19px;line-height:1.3;font-weight:700;font-stretch:108%}
.lede{color:var(--mute);font-size:17.5px;max-width:58ch;margin:16px 0 0}
.fine{color:var(--dim);font-size:13px;margin:0}
.eyebrow{font:600 13px var(--body);color:var(--cyan);margin:0 0 18px;letter-spacing:.02em}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font:600 15px var(--body);border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,color .2s,box-shadow .2s;text-decoration:none!important;white-space:nowrap}
.btn-pri{background:var(--cyan);color:#001017;box-shadow:0 0 0 0 var(--cyan-glow)}
.btn-pri:hover{background:#7aecff;box-shadow:0 0 0 6px var(--cyan-glow)}
.btn-ghost{border-color:var(--rule2);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff}
.btn-lg{min-height:54px;font-size:16px;padding:0 28px;width:100%}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .25s,border-color .25s,backdrop-filter .25s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(5,8,11,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-color:var(--rule)}
.nav-in{display:flex;align-items:center;gap:28px;height:72px}
.brand img{height:34px;width:auto}
.menu{display:flex;gap:26px;margin-left:auto;align-items:center}
.menu a{color:var(--mute);font-size:15px;font-weight:500}
.menu a:hover{color:#fff;text-decoration:none}
.menu .login{color:var(--text);border-left:1px solid var(--rule2);padding-left:22px}
.nav-cta{min-height:40px;padding:0 18px;font-size:14px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--rule2);background:transparent;border-radius:10px;cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;right:12px;height:2px;background:var(--text);transition:transform .25s,top .25s}
.burger span:first-child{top:17px}.burger span:last-child{top:25px}
.burger[aria-expanded="true"] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:21px;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 0;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-20% -10% auto;height:120%;z-index:-2;
  background:radial-gradient(60% 50% at 72% 38%,rgba(29,91,255,.22),transparent 70%),radial-gradient(40% 35% at 78% 42%,rgba(70,227,255,.14),transparent 70%)}
/* dải thanh khoản mờ chạy ngang nền hero, gợi heatmap sổ lệnh */
.hero-bands{position:absolute;inset:0;z-index:-1;opacity:.55;
  background:
    repeating-linear-gradient(180deg,transparent 0 13px,rgba(70,227,255,.05) 13px 14px),
    linear-gradient(180deg,transparent 18%,rgba(70,227,255,.07) 18% 19.5%,transparent 19.5% 41%,rgba(255,100,112,.06) 41% 42.2%,transparent 42.2% 63%,rgba(70,227,255,.09) 63% 64.4%,transparent 64.4%);
  -webkit-mask:linear-gradient(90deg,transparent 0,#000 45%,#000 85%,transparent);mask:linear-gradient(90deg,transparent 0,#000 45%,#000 85%,transparent)}
.hero-in{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6.2fr);gap:clamp(28px,4vw,64px);align-items:center}
.hero h1 .ln{display:block}
.hero h1{font-size:clamp(36px,4.6vw,66px);line-height:1.02;font-weight:850;font-stretch:122%;letter-spacing:-.025em}
.hero .lede{margin-top:26px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0 18px}

.deck{margin:0;position:relative;border:1px solid var(--rule2);border-radius:18px;background:linear-gradient(180deg,rgba(14,24,32,.92),rgba(7,12,16,.96));
  box-shadow:0 40px 120px -30px rgba(29,91,255,.45),0 0 0 1px rgba(70,227,255,.05) inset;transform:perspective(1600px) rotateY(-7deg) rotateX(3deg);transform-origin:left center;overflow:hidden}
.deck::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,rgba(255,255,255,.05),transparent 35%)}
.deck-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--rule);font:500 12.5px var(--mono);color:var(--mute)}
.deck-top .sym{color:var(--text)}
.live{display:inline-flex;align-items:center;gap:7px;color:var(--cyan)}
.live i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.3}}
#deck{display:block;width:100%;height:auto;aspect-ratio:720/520}
.deck-legend{display:flex;gap:18px;flex-wrap:wrap;padding:10px 16px 12px;border-top:1px solid var(--rule);font-size:12.5px;color:var(--mute)}
.deck-legend span{display:inline-flex;align-items:center;gap:7px}
.sw{width:10px;height:10px;border-radius:2px;display:inline-block}
.sw.buy{background:var(--cyan)}.sw.sell{background:var(--sell)}.sw.imb{background:transparent;border:1.5px solid #fff}

.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:96px 0 0;padding:0;border-top:1px solid var(--rule)}
.facts div{padding:22px 24px 26px 0}
.facts div+div{padding-left:24px;border-left:1px solid var(--rule)}
.facts dt{font:700 14px var(--display);font-stretch:112%;color:#fff;margin-bottom:6px}
.facts dd{margin:0;color:var(--mute);font-size:14.5px;line-height:1.55}

/* ---------- section chung ---------- */
.sec{padding:clamp(80px,10vw,136px) 0 0}
.sec-head{max-width:760px;margin-bottom:48px}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:start}
.split-head{position:sticky;top:110px}

/* vấn đề: ba dòng lớn, đánh dấu bằng một vạch dữ liệu ở lề trái */
.pb-list{list-style:none;margin:0;padding:0}
.pb-list li{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--rule)}
.pb-list li:last-child{border-bottom:1px solid var(--rule)}
.pb-list p{margin:8px 0 0;color:var(--mute);max-width:56ch}
.pb-glyph{width:56px;height:56px}

/* module: lưới không đều, mỗi thẻ có hình nhỏ vẽ từ dữ liệu */
.md-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:18px;overflow:hidden}
.md{background:rgba(5,8,11,.88);padding:28px 26px 30px;display:flex;flex-direction:column;gap:12px;position:relative;transition:background .25s}
.md:hover{background:var(--deck)}
.md svg{width:100%;height:92px;margin-bottom:10px}
.md p{margin:0;color:var(--mute);font-size:15px}
.md .ref{margin-top:auto;padding-top:10px;font-size:13px;color:var(--dim)}
.md:hover .ref{color:var(--cyan)}

/* phương pháp */
.mt-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mt{border:1px solid var(--rule);border-radius:14px;padding:22px 22px 24px;background:linear-gradient(180deg,var(--deck),transparent)}
.mt p{margin:8px 0 0;color:var(--mute);font-size:15px}
.mt.ph{border-style:dashed}

/* lộ trình: một đường giá đi lên qua 8 bậc */
.rd{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:rd;position:relative}
.rd li{position:relative;padding:62px 22px 28px 0;border-top:1px solid var(--rule2)}
.rd li::before{counter-increment:rd;content:counter(rd);position:absolute;top:-17px;left:0;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--ink);border:1px solid var(--rule2);font:700 14px var(--display);color:var(--mute)}
.rd li.core::before{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 18px var(--cyan-glow)}
.rd h3{font-size:17px}
.rd p{margin:8px 0 0;color:var(--mute);font-size:14.5px;line-height:1.55}
.rd .cnt{display:block;margin-top:10px;font-size:13px;color:var(--dim)}
.rd li:nth-child(n+5){border-top-color:var(--rule2);margin-top:30px}

/* giảng viên */
.tc{display:grid;grid-template-columns:220px 1fr;gap:clamp(24px,5vw,64px);align-items:center;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding-top:48px;padding-bottom:48px}
.tc-photo{aspect-ratio:1;border-radius:20px;border:1px solid var(--rule2);background:radial-gradient(70% 70% at 50% 40%,rgba(29,91,255,.25),transparent),var(--deck);display:grid;place-items:center;overflow:hidden}
.tc-photo img{width:46%;opacity:.9}
.tc-photo img.real{width:100%;height:100%;object-fit:cover;opacity:1}
.tc-name{font:700 17px var(--display);font-stretch:112%;color:var(--cyan);margin:10px 0 0}

/* giá */
.pr{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);border:1px solid var(--rule2);border-radius:22px;overflow:hidden;background:radial-gradient(80% 120% at 100% 0,rgba(29,91,255,.18),transparent 60%),var(--deck)}
.pr-main{padding:clamp(28px,4vw,52px)}
.pr-side{padding:clamp(28px,4vw,52px);border-left:1px solid var(--rule2);display:flex;flex-direction:column;gap:14px;justify-content:center;background:rgba(5,8,11,.4)}
.pr-inc{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:12px}
.pr-inc li{position:relative;padding-left:30px;color:var(--text)}
.pr-inc li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:8px;border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(-45deg)}
.pr-price{font:850 clamp(30px,3.4vw,42px)/1.05 var(--display);font-stretch:118%;color:#fff;margin:0}
.copied{min-height:20px;margin:-4px 0 0;font-size:13.5px;color:var(--cyan)}

/* FAQ */
.fq details{border-top:1px solid var(--rule)}
.fq details:last-child{border-bottom:1px solid var(--rule)}
.fq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;font:700 17.5px var(--display);font-stretch:108%;color:#fff}
.fq summary::-webkit-details-marker{display:none}
.fq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2px solid var(--mute);border-bottom:2px solid var(--mute);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.fq details[open] summary::after{transform:translateY(-20%) rotate(-135deg);border-color:var(--cyan)}
.fq summary:hover{color:var(--cyan)}
.fq .ans{color:var(--mute);padding:0 0 24px;max-width:62ch;margin:0}

/* footer */
.foot{margin-top:clamp(96px,12vw,150px);border-top:1px solid var(--rule);padding:48px 0 28px}
.foot-in{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px}
.foot-brand img{height:44px;width:auto;margin-bottom:20px}
.foot-brand .fine{max-width:58ch;line-height:1.6}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:10px;justify-items:start}
.foot-links a{color:var(--text)}
.foot-base{margin-top:36px;font-size:13px;color:var(--dim)}

/* hiện dần khi cuộn: chỉ dùng cho lưới module và lộ trình */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .menu{gap:18px}.menu .login{display:none}
  .hero-in{grid-template-columns:1fr}
  .deck{transform:none;max-width:760px}
  .md-grid{grid-template-columns:repeat(2,1fr)}
  .rd{grid-template-columns:repeat(2,1fr)}
  .rd li:nth-child(n+3){margin-top:30px}
}
@media (max-width:860px){
  .burger{display:block;margin-left:auto}
  .nav-cta{display:none}
  .menu{position:fixed;inset:72px 0 auto;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--gut) 20px;background:rgba(5,8,11,.97);border-bottom:1px solid var(--rule);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s}
  .menu.open{opacity:1;transform:none;visibility:visible}
  .menu a{padding:14px 0;border-bottom:1px solid var(--rule);font-size:16px;color:var(--text)}
  .menu .login{display:block;border-left:0;padding-left:0}
  .nav{background:rgba(5,8,11,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
  .split{grid-template-columns:1fr}
  .split-head{position:static}
  .facts{grid-template-columns:1fr;margin-top:64px}
  .facts div,.facts div+div{padding:18px 0;border-left:0;border-bottom:1px solid var(--rule)}
  .mt-list{grid-template-columns:1fr}
  .pr{grid-template-columns:1fr}
  .pr-side{border-left:0;border-top:1px solid var(--rule2)}
  .tc{grid-template-columns:1fr}
  .tc-photo{max-width:180px}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .hero{padding-top:112px}
  .md-grid{grid-template-columns:1fr}
  .rd{grid-template-columns:1fr}
  .rd li{margin-top:0!important;padding:26px 0 26px 54px;border-top:0;border-left:1px solid var(--rule2);margin-left:17px}
  .rd li::before{top:22px;left:-17px}
  .cta-row .btn{flex:1 1 100%}
  .deck-legend{gap:10px 14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* ---------- lưới nền 48px: chỗ rõ, chỗ mờ hẳn ---------- */
.bg-grid,.bg-laser{position:fixed;inset:0;pointer-events:none;z-index:-5}
.bg-grid{
  background-image:linear-gradient(#15222b 1px,transparent 1px),linear-gradient(90deg,#15222b 1px,transparent 1px);
  background-size:48px 48px;background-position:-1px -1px;
  -webkit-mask-image:radial-gradient(38% 42% at 12% 22%,#000 0,rgba(0,0,0,.85) 35%,transparent 72%),radial-gradient(30% 36% at 88% 14%,#000 0,transparent 70%),radial-gradient(42% 34% at 70% 78%,#000 0,rgba(0,0,0,.7) 40%,transparent 74%),radial-gradient(22% 26% at 34% 70%,rgba(0,0,0,.55) 0,transparent 70%),radial-gradient(18% 20% at 52% 38%,rgba(0,0,0,.35) 0,transparent 70%);
          mask-image:radial-gradient(38% 42% at 12% 22%,#000 0,rgba(0,0,0,.85) 35%,transparent 72%),radial-gradient(30% 36% at 88% 14%,#000 0,transparent 70%),radial-gradient(42% 34% at 70% 78%,#000 0,rgba(0,0,0,.7) 40%,transparent 74%),radial-gradient(22% 26% at 34% 70%,rgba(0,0,0,.55) 0,transparent 70%),radial-gradient(18% 20% at 52% 38%,rgba(0,0,0,.35) 0,transparent 70%)}
.bg-laser{z-index:-4;overflow:hidden}
/* tia sáng chạy dọc theo một đường lưới */
.zap{position:absolute;border-radius:2px;will-change:transform,opacity}
.zap.h{height:2px;width:clamp(140px,22vw,320px);margin-top:-1px;background:linear-gradient(90deg,transparent,rgba(70,227,255,.15) 40%,rgba(70,227,255,.85) 92%,#eaffff);box-shadow:0 0 10px rgba(70,227,255,.55),0 0 24px rgba(29,91,255,.35)}
.zap.v{width:2px;height:clamp(120px,20vh,260px);margin-left:-1px;background:linear-gradient(180deg,transparent,rgba(70,227,255,.15) 40%,rgba(70,227,255,.85) 92%,#eaffff);box-shadow:0 0 10px rgba(70,227,255,.55),0 0 24px rgba(29,91,255,.35)}
.zap.rev.h{background:linear-gradient(270deg,transparent,rgba(70,227,255,.15) 40%,rgba(70,227,255,.85) 92%,#eaffff)}
.zap.rev.v{background:linear-gradient(0deg,transparent,rgba(70,227,255,.15) 40%,rgba(70,227,255,.85) 92%,#eaffff)}
@media (prefers-reduced-motion:reduce){.bg-laser{display:none}}

/* ---------- animation cho hình nhỏ ở "Bạn sẽ học gì" (lặp 6s) ---------- */
.md svg *{animation-play-state:paused}
.md.in svg *{animation-play-state:running}
.g-fade{opacity:0;animation:gFade 6s ease infinite}
.g-pop{opacity:0;transform-box:fill-box;transform-origin:50% 50%;animation:gPop 6s ease infinite}
.g-up,.g-dn,.g-r,.g-l{transform-box:fill-box;animation:gGrowY 6s cubic-bezier(.2,.7,.2,1) infinite}
.g-up{transform-origin:50% 100%}.g-dn{transform-origin:50% 0}
.g-r{transform-origin:100% 50%;animation-name:gGrowX}.g-l{transform-origin:0 50%;animation-name:gGrowX}
.g-draw{stroke-dasharray:1;stroke-dashoffset:1;animation:gDraw 6s ease infinite}
.g-br-r,.g-br-l{transform-box:fill-box;animation:gBreathe 3.4s ease-in-out infinite alternate}
.g-br-r{transform-origin:100% 50%}.g-br-l{transform-origin:0 50%}
.g-px{animation:gPx 6s steps(1,end) infinite}
@keyframes gFade{0%{opacity:0}12%,82%{opacity:1}95%,100%{opacity:0}}
@keyframes gPop{0%,30%{opacity:0;transform:scale(.85)}40%,82%{opacity:1;transform:none}95%,100%{opacity:0}}
@keyframes gGrowY{0%{transform:scaleY(0);opacity:0}14%,82%{transform:none;opacity:1}95%,100%{transform:scaleY(0);opacity:0}}
@keyframes gGrowX{0%{transform:scaleX(0);opacity:0}14%,82%{transform:none;opacity:1}95%,100%{transform:scaleX(0);opacity:0}}
@keyframes gDraw{0%{stroke-dashoffset:1;opacity:1}40%,82%{stroke-dashoffset:0;opacity:1}95%,100%{stroke-dashoffset:0;opacity:0}}
@keyframes gBreathe{from{transform:scaleX(.62)}to{transform:none}}
@keyframes gPx{0%{transform:translateY(0)}25%{transform:translateY(-9.6px)}50%{transform:translateY(-19.2px)}75%{transform:translateY(-9.6px)}}
@media (prefers-reduced-motion:reduce){.md svg *{animation:none!important;opacity:1!important;transform:none!important;stroke-dashoffset:0!important}}

/* ---------- glitch nền quanh con trỏ (khoảng 3 giây một lần) ---------- */
.bg-glitch{position:fixed;inset:0;pointer-events:none;z-index:-3;overflow:hidden}
.gl{position:absolute;will-change:transform,opacity;opacity:0;
  background-image:linear-gradient(rgba(70,227,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(70,227,255,.6) 1px,transparent 1px),linear-gradient(rgba(70,227,255,.13),rgba(70,227,255,.13));
  background-size:48px 48px,48px 48px,auto;background-attachment:fixed;background-position:-1px -1px,-1px -1px,0 0}
.gl::after{content:"";position:absolute;inset:0;transform:translateX(4px);mix-blend-mode:screen;
  background-image:linear-gradient(rgba(255,100,112,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,100,112,.5) 1px,transparent 1px);background-size:48px 48px;background-attachment:fixed;background-position:-1px -1px}
.gl.bar{background:linear-gradient(90deg,transparent,rgba(70,227,255,.55) 20%,rgba(234,255,255,.8) 50%,rgba(70,227,255,.55) 80%,transparent);height:2px!important}
.gl.bar::after{display:none}
@media (prefers-reduced-motion:reduce),(hover:none){.bg-glitch{display:none}}

/* con trỏ giả khi glitch */
.gcur{position:fixed;left:0;top:0;z-index:9999;pointer-events:none;display:none;width:16px;height:24px}
html.glitching .gcur{display:block}
html.glitching,html.glitching *{cursor:none!important}
.gcur .c{position:absolute;left:0;top:0;display:block;line-height:0}
.gcur .w{color:#fff}
.gcur .b{color:#46e3ff;mix-blend-mode:screen;opacity:0}
.gcur .r{color:#ff6470;mix-blend-mode:screen;opacity:0}
@media (prefers-reduced-motion:reduce),(hover:none){.gcur{display:none!important}html.glitching,html.glitching *{cursor:auto!important}}

/* ô lưới sáng theo chuột */
.bg-glitch .cell{position:absolute;left:0;top:0;width:49px;height:49px;opacity:0;border:1px solid rgba(70,227,255,.6);background:radial-gradient(circle at 50% 50%,rgba(70,227,255,.22),rgba(70,227,255,.04) 70%);box-shadow:0 0 18px rgba(70,227,255,.18) inset}