:root{
  --bg:#060912; --bg2:#0a1020; --cyan:#22d3ee; --indigo:#6366f1; --violet:#a855f7;
  --ink:#eef2ff; --mut:#9aa6c4; --glass:rgba(255,255,255,.045); --line:rgba(255,255,255,.10);
  --grad:linear-gradient(120deg,var(--cyan),var(--indigo) 55%,var(--violet));
  --r:22px; --rs:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--ink);
  overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
section{position:relative;z-index:2}

/* ---------- animated background ---------- */
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;background:
  radial-gradient(1200px 600px at 75% -10%,rgba(99,102,241,.18),transparent 60%),
  radial-gradient(900px 500px at 10% 10%,rgba(34,211,238,.12),transparent 55%),
  radial-gradient(900px 700px at 90% 100%,rgba(168,85,247,.14),transparent 55%),var(--bg)}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:float 18s ease-in-out infinite}
.orb.a{width:420px;height:420px;background:#1a3a8f;top:-80px;left:-60px}
.orb.b{width:380px;height:380px;background:#5b21b6;bottom:-100px;right:-40px;animation-delay:-6s}
.orb.c{width:300px;height:300px;background:#0e7490;top:40%;left:55%;animation-delay:-11s}
.grid-lines{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:60px 60px;mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 75%)}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.08)}}

/* ---------- glass primitives ---------- */
.glass{background:var(--glass);backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r);position:relative}
.glass.grad-border::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.55;pointer-events:none}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(6,9,18,.55);
  border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav .logo{height:38px}
.nav .links{display:flex;gap:26px;align-items:center}
.nav .links a{color:var(--mut);font-size:14.5px;font-weight:500;transition:.2s}
.nav .links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;
  font-size:14.5px;cursor:pointer;border:none;transition:.25s;white-space:nowrap}
.btn.primary{background:var(--grad);color:#04070f;box-shadow:0 8px 30px rgba(99,102,241,.35)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(99,102,241,.5)}
.btn.ghost{background:var(--glass);border:1px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--cyan)}
.nav .menu-btn{display:none}

/* ---------- hero ---------- */
.hero{padding:74px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);font-size:12.5px;color:var(--cyan);font-weight:600;margin-bottom:22px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
h1{font-size:clamp(34px,5.2vw,56px);line-height:1.08;font-weight:800;letter-spacing:-1.5px}
h1 .gr{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--mut);font-size:clamp(16px,2vw,18.5px);margin:22px 0 30px;max-width:520px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero .trust div{font-size:13px;color:var(--mut)}
.hero .trust b{display:block;font-size:23px;color:var(--ink);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-art{position:relative;border-radius:var(--r);overflow:hidden}
.hero-art img{width:100%;border-radius:var(--r)}
.hero-art .scan{position:absolute;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  box-shadow:0 0 18px var(--cyan);animation:scan 3.4s ease-in-out infinite}
@keyframes scan{0%,100%{top:6%}50%{top:92%}}
.float-chip{position:absolute;padding:10px 14px;border-radius:14px;font-size:12.5px;font-weight:600;animation:float 9s ease-in-out infinite}
.float-chip.ok{top:14%;right:-12px;color:#6ee7b7}
.float-chip.ai{bottom:16%;left:-14px;color:#fca5a5;animation-delay:-4s}
.float-chip .v{display:block;font-size:10px;color:var(--mut);font-weight:500}

/* ---------- generic section ---------- */
.sec{padding:84px 0}
.eyebrow{color:var(--cyan);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase}
h2{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-1px;margin:12px 0 14px}
.lead{color:var(--mut);font-size:17px;max-width:620px}
.center{text-align:center;margin:0 auto}

/* ---------- tech cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
.card{padding:26px;border-radius:var(--rs);overflow:hidden}
.card .ic{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-size:23px;
  background:var(--glass);border:1px solid var(--line);margin-bottom:18px}
.card h3{font-size:19px;font-weight:700;margin-bottom:8px}
.card p{color:var(--mut);font-size:14.5px}
.card .img{margin:-26px -26px 20px;height:140px;background-size:cover;background-position:center;position:relative}
.card .img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(6,9,18,.85))}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;counter-reset:s}
.step{padding:28px;border-radius:var(--rs)}
.step::before{counter-increment:s;content:"0" counter(s);font-size:40px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:10px}
.step h3{font-size:18px;margin-bottom:6px}.step p{color:var(--mut);font-size:14.5px}

/* ---------- example result ---------- */
.demo{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:46px;align-items:center}
.demo .shot{border-radius:var(--rs);overflow:hidden;position:relative}
.demo .shot img{width:100%}
.demo .panel{padding:28px;border-radius:var(--rs)}
.verdict{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.verdict .tag{padding:6px 14px;border-radius:999px;font-weight:800;font-size:14px;background:rgba(110,231,183,.14);color:#6ee7b7;border:1px solid rgba(110,231,183,.3)}
.score{font-size:13px;color:var(--mut);margin-bottom:20px}
.bar{margin:14px 0}
.bar .t{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px;color:var(--mut)}
.bar .track{height:8px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.bar .fill{height:100%;border-radius:99px;background:var(--grad);width:0;transition:width 1.3s cubic-bezier(.2,.7,.2,1)}

/* ---------- cta ---------- */
.cta-box{padding:56px 40px;border-radius:var(--r);text-align:center;overflow:hidden}
.cta-box h2{margin-bottom:10px}
.cta-box .btn{margin-top:24px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:40px 0;margin-top:40px;color:var(--mut);font-size:13.5px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.disc{font-size:12px;color:#64748b;max-width:560px;margin-top:8px}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:880px){
  .nav .links{display:none}.nav .menu-btn{display:inline-flex}
  .hero .wrap{grid-template-columns:1fr;gap:34px}.hero-art{order:-1}
  .cards,.steps{grid-template-columns:1fr}.demo{grid-template-columns:1fr}
  .float-chip.ok{right:6px}.float-chip.ai{left:6px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}

/* ============ UPLOADER ============ */
.uploader{padding:30px 0 84px}
.dropzone{position:relative;border-radius:var(--r);padding:48px 28px;text-align:center;cursor:pointer;
  background:var(--glass);transition:.25s;overflow:hidden}
.dropzone::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.6px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;transition:.25s}
.dropzone:hover{transform:translateY(-2px)}.dropzone:hover::before,.dropzone.drag::before{opacity:1}
.dropzone.drag{background:rgba(34,211,238,.07)}
.dz-ic{width:66px;height:66px;margin:0 auto 16px;border-radius:20px;display:grid;place-items:center;
  font-size:30px;background:var(--grad);color:#04070f;box-shadow:0 10px 30px rgba(99,102,241,.4)}
.dz-text{font-size:19px;font-weight:700}.dz-text b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dz-sub{color:var(--mut);font-size:13.5px;margin-top:8px}
.preview{display:none;align-items:center;gap:14px;justify-content:center;margin-top:6px}
.preview.show{display:flex}
.preview .thumb{width:64px;height:64px;border-radius:12px;object-fit:cover;border:1px solid var(--line);background:#0a1020}
.preview .nm{text-align:left;font-size:14px}.preview .nm small{display:block;color:var(--mut);font-size:12px}
.preview .x{margin-left:6px;cursor:pointer;color:var(--mut);font-size:20px;line-height:1}
.up-actions{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.spin{width:16px;height:16px;border:2px solid rgba(4,7,15,.35);border-top-color:#04070f;border-radius:50%;
  display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ TOAST ============ */
.toast-wrap{position:fixed;top:84px;right:20px;z-index:60;display:flex;flex-direction:column;gap:10px;max-width:340px}
.toast{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;font-size:14px;font-weight:500;
  background:rgba(12,18,32,.86);backdrop-filter:blur(18px);border:1px solid var(--line);color:var(--ink);
  box-shadow:0 14px 40px rgba(0,0,0,.45);animation:toastIn .45s cubic-bezier(.2,.8,.2,1)}
.toast.out{animation:toastOut .35s forwards}
.toast .i{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;flex:0 0 auto;font-size:15px}
.toast.ok .i{background:rgba(110,231,183,.16);color:#6ee7b7}
.toast.err .i{background:rgba(252,165,165,.16);color:#fca5a5}
.toast.info .i{background:rgba(34,211,238,.16);color:var(--cyan)}
@keyframes toastIn{from{opacity:0;transform:translateX(40px) scale(.96)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateX(40px) scale(.96)}}
@media(max-width:560px){.toast-wrap{left:14px;right:14px;top:auto;bottom:18px;max-width:none}}

/* ============ MODAL ============ */
.modal-back{position:fixed;inset:0;z-index:70;background:rgba(4,7,15,.62);backdrop-filter:blur(8px);
  display:none;align-items:center;justify-content:center;padding:20px}
.modal-back.show{display:flex;animation:fade .3s}
@keyframes fade{from{opacity:0}}
.modal{width:min(560px,100%);max-height:90vh;overflow:auto;border-radius:var(--r);padding:30px;
  background:rgba(10,16,30,.9);backdrop-filter:blur(26px);border:1px solid var(--line);
  position:relative;animation:modalIn .5s cubic-bezier(.2,.8,.2,1)}
@keyframes modalIn{from{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:none}}
.modal .close{position:absolute;top:16px;right:18px;font-size:24px;color:var(--mut);cursor:pointer;line-height:1}
.modal .close:hover{color:var(--ink)}
.m-head{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.gauge{--p:0;width:96px;height:96px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--gc,var(--cyan)) calc(var(--p)*1%),rgba(255,255,255,.08) 0)}
.gauge::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#0a1020}
.gauge .val{position:relative;z-index:1;font-size:24px;font-weight:800}
.m-head h3{font-size:13px;color:var(--mut);font-weight:600;letter-spacing:1px;text-transform:uppercase}
.m-tag{display:inline-block;margin-top:6px;padding:7px 16px;border-radius:999px;font-weight:800;font-size:16px}
.m-sub{color:var(--mut);font-size:13px;margin-top:8px}
.m-bars{margin:8px 0 18px}
.m-sha{font-family:ui-monospace,monospace;font-size:11px;color:#5f6b86;word-break:break-all;
  background:rgba(255,255,255,.03);padding:10px 12px;border-radius:10px;border:1px solid var(--line)}
.m-disc{font-size:11.5px;color:#64748b;margin-top:14px}

/* ============ logo mobile fix ============ */
@media(max-width:880px){
  .nav .logo{height:46px}
  .nav .wrap{height:74px}
  footer .wrap .logo{height:40px}
}
.founder{font-size:12.5px;color:var(--mut);margin-top:10px}
.founder b{color:var(--ink)}.founder .gr{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}

/* nav byline */
.nav .brand{display:flex;flex-direction:column;line-height:1}
.byline{font-size:10px;font-weight:700;letter-spacing:2.5px;color:var(--mut);margin-top:2px;margin-left:3px}
.byline::before{content:"";display:inline-block;width:14px;height:1px;background:var(--grad);vertical-align:middle;margin-right:5px}

/* ===== modal media + censor + share ===== */
.m-media{margin:6px 0 16px;text-align:center}
.m-thumb-wrap{display:inline-block;border-radius:14px;overflow:hidden;border:1px solid var(--line);max-width:200px}
.m-thumb-wrap img,.m-thumb-wrap video{width:200px;height:200px;object-fit:cover;display:block;transition:filter .3s}
.m-thumb-wrap.censored img,.m-thumb-wrap.censored video{filter:blur(16px) saturate(.6)}
.censor{display:inline-flex;align-items:center;gap:9px;margin-top:12px;font-size:13px;color:var(--mut);cursor:pointer;user-select:none}
.censor input{display:none}
.censor .sw{width:38px;height:21px;border-radius:99px;background:rgba(255,255,255,.12);position:relative;transition:.25s;flex:0 0 auto}
.censor .sw::after{content:"";position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;background:#fff;transition:.25s}
.censor input:checked+.sw{background:var(--cyan)}.censor input:checked+.sw::after{transform:translateX(17px)}
.share-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:6px}
.sbtn{flex:1;min-width:84px;display:flex;flex-direction:column;align-items:center;gap:4px;padding:11px 6px;border-radius:13px;
  background:var(--glass);border:1px solid var(--line);color:var(--ink);font-size:11.5px;font-weight:600;cursor:pointer;transition:.2s}
.sbtn span{font-size:11px}
.sbtn:hover{border-color:var(--cyan);transform:translateY(-2px)}
.sbtn.wa:hover{border-color:#25d366}.sbtn.ig:hover{border-color:#e1306c}.sbtn.tt:hover{border-color:#69c9d0}
@media(max-width:560px){.sbtn{min-width:0;font-size:10.5px}}