:root{--void:#05060f;--deep:#0a0c1f;--panel:#10132b;--line:rgba(160,170,255,.12);--line-2:rgba(160,170,255,.24);
  --text:#eef0ff;--soft:#a9aed6;--dim:#6f75a3;--volt:#2ef2c4;--violet:#8b5cf6;--sky:#38bdf8;--rose:#ff5d8f;--amber:#fbbf24}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{background:var(--void);color:var(--text);font-family:'Inter Tight',system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--volt);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- animated backdrop ---------- */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg .grid{position:absolute;inset:-50%;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;transform:perspective(700px) rotateX(58deg) translateY(-8%);mask-image:radial-gradient(60% 50% at 50% 60%,#000 20%,transparent 75%);animation:gridMove 18s linear infinite}
@keyframes gridMove{to{background-position:0 56px,56px 0}}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;animation:float 16s ease-in-out infinite}
.orb.a{width:520px;height:520px;background:var(--violet);top:-160px;left:-120px}
.orb.b{width:420px;height:420px;background:var(--volt);bottom:-180px;left:30%;opacity:.25;animation-delay:-5s}
.orb.c{width:380px;height:380px;background:var(--sky);top:10%;right:-140px;opacity:.3;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,25px) scale(.95)}}
.noise{position:absolute;inset:0;opacity:.05;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 baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- layout ---------- */
.wrap{position:relative;z-index:1;min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;max-width:1320px;margin:0 auto;padding:32px 40px;gap:48px;align-items:center}
@media(max-width:1000px){.wrap{grid-template-columns:1fr;padding:24px 16px;gap:28px}.hero{display:none}}

.top{position:absolute;top:28px;left:40px;right:40px;display:flex;align-items:center;justify-content:space-between;z-index:2}
@media(max-width:1000px){.top{position:relative;top:auto;left:auto;right:auto;padding:16px 16px 0}}
@media(max-width:420px){.status{display:none}}
.brand{display:flex;align-items:center;gap:12px;font-family:'Unbounded',sans-serif;font-weight:700;font-size:18px;color:var(--text);letter-spacing:.01em}
.brand:hover{text-decoration:none}
.brand img{width:40px;height:40px;border-radius:12px;background:#fff;padding:4px;object-fit:contain;box-shadow:0 0 0 1px var(--line-2),0 8px 24px -8px rgba(139,92,246,.6)}
.status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--soft);border:1px solid var(--line);background:rgba(16,19,43,.6);padding:7px 12px;border-radius:999px;backdrop-filter:blur(8px)}
.status i{width:8px;height:8px;border-radius:50%;background:var(--volt);box-shadow:0 0 0 0 rgba(46,242,196,.7);animation:ping 2s infinite}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(46,242,196,0)}100%{box-shadow:0 0 0 0 rgba(46,242,196,0)}}

/* ---------- hero (left) ---------- */
.hero{padding-top:40px}
.chip{display:inline-flex;align-items:center;gap:8px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--volt);border:1px solid rgba(46,242,196,.3);background:rgba(46,242,196,.07);padding:6px 12px;border-radius:999px;letter-spacing:.06em;text-transform:uppercase}
.hero h1{font-family:'Unbounded',sans-serif;font-weight:700;font-size:clamp(34px,4vw,54px);line-height:1.08;letter-spacing:-.02em;margin:22px 0 18px}
.hero h1 .grad{background:linear-gradient(92deg,var(--volt),var(--sky) 45%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% 0}}
.hero p.lead{color:var(--soft);font-size:17px;line-height:1.6;max-width:480px}

.vis{position:relative;margin-top:38px;height:260px;max-width:520px}
.ring{position:absolute;left:0;top:0;width:220px;height:220px;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0 30%,var(--volt) 45%,var(--violet) 65%,transparent 80%);animation:spin 6s linear infinite;
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px));mask:radial-gradient(farthest-side,transparent calc(100% - 3px),#000 calc(100% - 2px))}
.ring.r2{left:30px;top:30px;width:160px;height:160px;animation-duration:9s;animation-direction:reverse;opacity:.6}
@keyframes spin{to{transform:rotate(360deg)}}
.core{position:absolute;left:70px;top:70px;width:80px;height:80px;border-radius:24px;display:grid;place-items:center;
  background:linear-gradient(145deg,#1a1f4a,#0d1030);border:1px solid var(--line-2);box-shadow:0 0 50px -6px rgba(46,242,196,.5);font-family:'Unbounded',sans-serif;font-size:15px;color:var(--volt)}
.tx{position:absolute;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:rgba(16,19,43,.75);border:1px solid var(--line-2);
  backdrop-filter:blur(12px);box-shadow:0 20px 40px -20px rgba(0,0,0,.8);min-width:230px;animation:bob 6s ease-in-out infinite}
.tx .ic{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:13px;color:#05060f}
.tx b{display:block;font-size:14px}
.tx small{color:var(--dim);font-size:12px}
.tx .ok{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--volt);background:rgba(46,242,196,.1);padding:4px 8px;border-radius:999px}
.tx.t1{left:250px;top:8px}
.tx.t2{left:200px;top:100px;animation-delay:-2s}
.tx.t3{left:260px;top:192px;animation-delay:-4s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

.feats{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.feats span{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--soft);border:1px solid var(--line);background:rgba(16,19,43,.5);padding:9px 14px;border-radius:12px}
.feats svg{width:16px;height:16px;color:var(--volt)}

/* ---------- login card ---------- */
.side{display:flex;justify-content:center}
.card{position:relative;width:100%;max-width:450px;padding:38px 36px;border-radius:28px;
  background:linear-gradient(180deg,rgba(23,27,62,.82),rgba(11,13,32,.88));backdrop-filter:blur(20px);
  box-shadow:0 50px 100px -40px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.06);animation:rise .7s cubic-bezier(.2,.8,.2,1) both}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:conic-gradient(from var(--a,0deg),rgba(46,242,196,.7),rgba(139,92,246,.15) 25%,rgba(139,92,246,.15) 60%,rgba(56,189,248,.7) 80%,rgba(46,242,196,.7));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:border 8s linear infinite}
@property --a{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes border{to{--a:360deg}}
@keyframes rise{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
@media(max-width:520px){.card{padding:28px 20px;border-radius:22px}}

.card h2{font-family:'Unbounded',sans-serif;font-weight:700;font-size:25px;letter-spacing:-.01em}
.card .sub{color:var(--soft);font-size:15px;margin:8px 0 26px;line-height:1.5}
.card .sub b{color:var(--text)}

.alert{display:flex;gap:12px;align-items:flex-start;background:rgba(255,93,143,.1);border:1px solid rgba(255,93,143,.35);border-radius:14px;padding:12px 14px;margin-bottom:20px;animation:shake .45s}
.alert svg{flex-shrink:0;width:20px;height:20px;color:var(--rose);margin-top:1px}
.alert b{display:block;font-size:14px;color:#ffc2d4}
.alert span{font-size:13.5px;color:#f3a5bd}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}

.fld{margin-bottom:18px}
.fld label{display:block;font-size:13.5px;font-weight:600;color:var(--soft);margin-bottom:8px}
.inp{position:relative;display:flex;align-items:center}
.inp svg{position:absolute;left:15px;width:18px;height:18px;color:var(--dim);transition:color .2s;pointer-events:none}
.inp input{width:100%;background:rgba(5,6,15,.55);border:1px solid var(--line-2);border-radius:14px;padding:15px 16px 15px 46px;color:var(--text);font-size:16px;font-family:inherit;transition:border-color .2s,box-shadow .2s,background .2s}
.inp input::placeholder{color:#555b88}
.inp input:focus{outline:none;border-color:var(--volt);background:rgba(5,6,15,.8);box-shadow:0 0 0 4px rgba(46,242,196,.13)}
.inp:focus-within svg{color:var(--volt)}
.inp .pre{position:absolute;left:46px;color:var(--soft);font-size:16px;pointer-events:none}
.inp.has-pre input{padding-left:86px}
.inp.has-pre .pre::after{content:"";display:inline-block;width:1px;height:18px;background:var(--line-2);margin-left:10px;vertical-align:middle}
.eye{position:absolute;right:8px;background:none;border:0;color:var(--dim);cursor:pointer;padding:8px;border-radius:10px;display:grid;place-items:center}
.eye:hover{color:var(--text);background:rgba(255,255,255,.05)}
.eye svg{position:static;width:18px;height:18px;color:inherit}

.row{display:flex;justify-content:space-between;align-items:center;margin:4px 0 24px;font-size:14px;gap:12px}
.chk{display:flex;align-items:center;gap:9px;color:var(--soft);cursor:pointer;user-select:none}
.chk input{appearance:none;width:18px;height:18px;border-radius:6px;border:1.5px solid var(--line-2);background:rgba(5,6,15,.5);display:grid;place-items:center;cursor:pointer;transition:all .15s}
.chk input:checked{background:var(--volt);border-color:var(--volt)}
.chk input:checked::after{content:"";width:9px;height:5px;border:2px solid #05060f;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.chk input:focus-visible{outline:2px solid var(--volt);outline-offset:2px}

.go{position:relative;width:100%;border:0;border-radius:999px;padding:16px;font-size:16px;font-weight:700;font-family:inherit;cursor:pointer;color:#05060f;overflow:hidden;
  background:linear-gradient(92deg,var(--volt),#5eead4 50%,var(--sky));box-shadow:0 14px 34px -12px rgba(46,242,196,.7);transition:transform .15s,box-shadow .2s;display:flex;align-items:center;justify-content:center;gap:10px}
.go:hover{transform:translateY(-1px);box-shadow:0 18px 40px -12px rgba(46,242,196,.85)}
.go:active{transform:translateY(0)}
.go::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:sweep 3.2s ease-in-out infinite}
@keyframes sweep{0%,60%{left:-60%}100%{left:130%}}
.go svg{width:18px;height:18px;transition:transform .2s}
.go:hover svg{transform:translateX(3px)}
.go .spin{display:none;width:18px;height:18px;border:2.5px solid rgba(5,6,15,.25);border-top-color:#05060f;border-radius:50%;animation:spin .7s linear infinite}
.go.busy{pointer-events:none;opacity:.85}.go.busy .spin{display:block}.go.busy svg{display:none}

/* OTP boxes */
.otp{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:22px}
.otp input{width:100%;aspect-ratio:1/1.12;text-align:center;font-family:'JetBrains Mono',monospace;font-size:24px;color:var(--text);background:rgba(5,6,15,.55);border:1px solid var(--line-2);border-radius:14px;transition:all .15s}
.otp input:focus{outline:none;border-color:var(--volt);box-shadow:0 0 0 4px rgba(46,242,196,.13);transform:translateY(-2px)}
.otp input.f{border-color:rgba(46,242,196,.55);background:rgba(46,242,196,.06)}
.otp-hint{display:flex;align-items:center;gap:8px;color:var(--dim);font-size:13.5px;margin:-8px 0 22px}
.otp-hint svg{width:16px;height:16px;color:var(--volt)}

.foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);text-align:center;font-size:14.5px;color:var(--soft)}
.foot a{font-weight:700}
.secure{display:flex;justify-content:center;align-items:center;gap:7px;margin-top:16px;font-size:12.5px;color:var(--dim)}
.secure svg{width:14px;height:14px;color:var(--volt)}
.copy{position:fixed;bottom:18px;left:40px;font-size:12.5px;color:var(--dim);z-index:1}
@media(max-width:1000px){.copy{position:static;text-align:center;padding:0 0 22px}}

@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none !important;transition:none !important}}
.alert.ok{background:rgba(46,242,196,.1);border-color:rgba(46,242,196,.35);animation:rise .5s both}
.alert.ok svg{color:var(--volt)}.alert.ok b{color:#b8fbe9}.alert.ok span{color:#8fe9d2}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
@media(max-width:520px){.two{grid-template-columns:1fr}}
.card.wide{max-width:560px}
.wrap.tall{align-items:start}.wrap.tall .side{padding:84px 0 40px}
@media(max-width:1000px){.wrap.tall .side{padding:0}}
.wrap.tall .hero{position:sticky;top:0;padding-top:120px}
.inp.plain input{padding-left:16px}
.steps{display:flex;flex-direction:column;gap:12px;margin-top:36px;max-width:440px}
.step{display:flex;gap:14px;align-items:center;padding:14px 16px;border-radius:16px;border:1px solid var(--line-2);background:rgba(16,19,43,.6);backdrop-filter:blur(10px);opacity:0;animation:stepIn .6s cubic-bezier(.2,.8,.2,1) forwards}
.step:nth-child(2){animation-delay:.15s}.step:nth-child(3){animation-delay:.3s}
.step .n{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-size:13px;background:rgba(46,242,196,.1);color:var(--volt);border:1px solid rgba(46,242,196,.3);flex-shrink:0}
.step b{display:block;font-size:15px}.step small{color:var(--dim);font-size:13px}
@keyframes stepIn{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:none}}