/* ============================================================
   PLATEAU — landing + legal. Premium dark, teal signal, glass.
   ============================================================ */
:root{
  --bg:#05080c; --bg2:#070c12; --panel:rgba(17,25,34,.55); --panel-solid:#0d141d;
  --line:#1b2733; --line-soft:#121b24; --glass:rgba(255,255,255,.03);
  --text:#eef3f8; --muted:#90a1b2; --muted2:#5c6e7d;
  --teal:#2DD4BF; --teal2:#5EEAD4; --green:#2BD576; --amber:#F5A524; --red:#F4515B; --blue:#3aa8ff;
  --disp:'Space Grotesk',sans-serif; --sans:'IBM Plex Sans',sans-serif; --mono:'IBM Plex Mono',monospace;
  --maxw:1180px; --radius:18px; --ease:cubic-bezier(.2,.7,.2,1);
  --glow:0 0 60px rgba(45,212,191,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{margin:0; background:var(--bg); color:var(--text); font-family:var(--sans); line-height:1.65; font-size:16px; -webkit-font-smoothing:antialiased; overflow-x:hidden}
a{color:inherit; text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 26px}
::selection{background:rgba(45,212,191,.28); color:#fff}

/* ---- ambient cinematic background ---- */
.aurora{position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden}
.aurora::before,.aurora::after{content:""; position:absolute; border-radius:50%; filter:blur(90px); opacity:.5; animation:drift 22s var(--ease) infinite alternate}
.aurora::before{width:760px; height:760px; top:-280px; right:-160px; background:radial-gradient(circle,rgba(45,212,191,.5),transparent 62%)}
.aurora::after{width:680px; height:680px; bottom:-300px; left:-200px; background:radial-gradient(circle,rgba(58,140,255,.36),transparent 62%); animation-delay:-8s}
.grain{position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.45;
  background-image:radial-gradient(rgba(255,255,255,.025) 1px, transparent 1px); background-size:3px 3px}
.gridlines{position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.5;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000, transparent 70%); mask-image:radial-gradient(circle at 50% 0%, #000, transparent 70%);
  background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px); background-size:56px 56px}
@keyframes drift{to{transform:translate3d(-60px,40px,0) scale(1.12)}}
@media (prefers-reduced-motion:reduce){ .aurora::before,.aurora::after{animation:none} }

main,header,footer{position:relative; z-index:1}

/* ---- scroll progress ---- */
.progress{position:fixed; top:0; left:0; height:2px; width:0; z-index:100; background:linear-gradient(90deg,var(--teal),var(--teal2)); box-shadow:0 0 12px var(--teal)}

/* ---- nav ---- */
.nav{position:sticky; top:0; z-index:50; transition:.3s var(--ease)}
.nav-inner{display:flex; align-items:center; justify-content:space-between; max-width:var(--maxw); margin:0 auto; padding:16px 26px}
.nav.scrolled{backdrop-filter:blur(16px) saturate(140%); -webkit-backdrop-filter:blur(16px) saturate(140%); background:rgba(5,8,12,.72); border-bottom:1px solid var(--line)}
.brand{display:flex; align-items:center; gap:11px; font-family:var(--disp); font-weight:700; font-size:18px; letter-spacing:.02em}
.brand .mark{width:30px; height:30px; filter:drop-shadow(0 0 8px rgba(45,212,191,.4))}
.nav-links{display:flex; align-items:center; gap:28px; font-size:14.5px; color:var(--muted)}
.nav-links a:not(.btn):hover{color:var(--text)}
@media(max-width:760px){ .nav-links .hideSm{display:none} }

/* ---- buttons ---- */
.btn{position:relative; display:inline-flex; align-items:center; gap:8px; font-family:var(--sans); font-weight:600; font-size:14.5px; padding:11px 20px; border-radius:12px; border:1px solid var(--line); color:var(--text); background:var(--glass); cursor:pointer; transition:.18s var(--ease); overflow:hidden; backdrop-filter:blur(6px)}
.btn:hover{border-color:color-mix(in srgb,var(--teal) 55%,var(--line)); transform:translateY(-2px); color:#fff}
.btn.accent{background:linear-gradient(180deg,var(--teal2),var(--teal)); color:#04231d; border-color:transparent; box-shadow:0 10px 34px rgba(45,212,191,.32)}
.btn.accent:hover{box-shadow:0 14px 46px rgba(45,212,191,.5); color:#04231d}
.btn.lg{padding:14px 26px; font-size:16px; border-radius:14px}
.btn .arr{transition:transform .2s var(--ease)} .btn:hover .arr{transform:translateX(3px)}

/* ---- type ---- */
.eyebrow{display:inline-flex; align-items:center; gap:9px; font-family:var(--mono); font-size:11.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal); border:1px solid color-mix(in srgb,var(--teal) 28%,transparent); background:color-mix(in srgb,var(--teal) 7%,transparent); padding:6px 13px; border-radius:99px}
.eyebrow .dot{width:6px; height:6px; border-radius:50%; background:var(--teal); box-shadow:0 0 10px var(--teal); animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1{font-family:var(--disp); font-weight:700; font-size:clamp(38px,5.6vw,68px); line-height:1.02; letter-spacing:-.025em; margin:20px 0 18px}
h2{font-family:var(--disp); font-weight:700; font-size:clamp(28px,3.8vw,42px); line-height:1.08; letter-spacing:-.02em; margin:0 0 16px}
.grad{background:linear-gradient(100deg,#2DD4BF,#5EEAD4 60%,#a6ffe6); -webkit-background-clip:text; background-clip:text; color:transparent}
.grad.alt{background:linear-gradient(100deg,#F5A524,#F4515B); -webkit-background-clip:text; background-clip:text; color:transparent}
.lede{font-size:clamp(16px,1.7vw,19px); color:var(--muted); max-width:560px}
.label{font-family:var(--mono); font-size:12px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted2); margin-bottom:14px}
.sub{color:var(--muted); font-size:17px; max-width:640px; margin:0 auto 0}
.section{padding:clamp(64px,9vw,118px) 0}
.center{text-align:center} .center .sub{margin-left:auto; margin-right:auto}

/* ---- reveal on scroll ---- */
.reveal{opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1; transform:none}
.reveal.d1{transition-delay:.08s} .reveal.d2{transition-delay:.16s} .reveal.d3{transition-delay:.24s} .reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){ .reveal{opacity:1; transform:none} }

/* ---- hero ---- */
.hero{display:grid; grid-template-columns:1.04fr .96fr; gap:46px; align-items:center; padding:clamp(40px,6vw,84px) 0 clamp(30px,5vw,60px)}
.hero .cta{display:flex; gap:13px; flex-wrap:wrap; margin-top:30px}
.hero-stats{display:flex; gap:38px; margin-top:40px; flex-wrap:wrap}
.hero-stats b{font-family:var(--disp); font-size:30px; display:block; line-height:1; background:linear-gradient(180deg,#fff,#b9c7d4); -webkit-background-clip:text; background-clip:text; color:transparent}
.hero-stats span{font-size:12px; color:var(--muted2); font-family:var(--mono); letter-spacing:.04em; margin-top:6px; display:block}
.glass-viz{position:relative; height:460px; border:1px solid var(--line); border-radius:26px; background:linear-gradient(160deg,rgba(30,44,58,.4),rgba(8,12,16,.1)); overflow:hidden; box-shadow:var(--glow),0 30px 80px rgba(0,0,0,.5)}
.glass-viz::after{content:""; position:absolute; inset:0; border-radius:26px; padding:1px; background:linear-gradient(160deg,rgba(45,212,191,.5),transparent 40%); -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0); -webkit-mask-composite:xor; mask-composite:exclude; pointer-events:none}
#plot{width:100%; height:100%}
.viz-cap{position:absolute; bottom:14px; left:0; right:0; text-align:center; font-family:var(--mono); font-size:11px; color:var(--muted2)}
@media(max-width:900px){ .hero{grid-template-columns:1fr; gap:30px} .glass-viz{height:340px} }

/* ---- marquee trust strip ---- */
.strip{border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:20px 0; display:flex; gap:46px; justify-content:center; flex-wrap:wrap; color:var(--muted2); font-family:var(--mono); font-size:12.5px; letter-spacing:.06em}
.strip span{display:flex; align-items:center; gap:9px} .strip svg{color:var(--teal)}

/* ---- cards ---- */
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:18px}
.card{position:relative; border:1px solid var(--line); border-radius:var(--radius); background:var(--panel); backdrop-filter:blur(10px); padding:28px; transition:.22s var(--ease); overflow:hidden}
.card:hover{transform:translateY(-5px); border-color:color-mix(in srgb,var(--teal) 40%,var(--line)); box-shadow:0 24px 60px rgba(0,0,0,.4)}
.card .ico{width:42px; height:42px; border-radius:11px; display:grid; place-items:center; background:linear-gradient(160deg,color-mix(in srgb,var(--teal) 22%,transparent),transparent); color:var(--teal); margin-bottom:16px; border:1px solid color-mix(in srgb,var(--teal) 22%,transparent)}
.card h3{font-family:var(--disp); font-weight:600; font-size:18px; margin:0 0 8px}
.card p{color:var(--muted); font-size:14.5px; margin:0}

/* ---- interactive demo ---- */
.demo{border:1px solid var(--line); border-radius:24px; background:var(--panel); backdrop-filter:blur(12px); padding:clamp(22px,3vw,38px); box-shadow:0 30px 80px rgba(0,0,0,.45)}
.demo-grid{display:grid; grid-template-columns:300px 1fr; gap:30px; align-items:center}
@media(max-width:820px){ .demo-grid{grid-template-columns:1fr} }
.toggle{display:inline-flex; padding:5px; border:1px solid var(--line); border-radius:13px; background:var(--bg2); margin-bottom:22px}
.toggle button{border:0; background:transparent; color:var(--muted); font-family:var(--sans); font-weight:600; font-size:14px; padding:9px 16px; border-radius:9px; cursor:pointer; transition:.18s}
.toggle button.on{color:#04231d; background:linear-gradient(180deg,var(--teal2),var(--teal))}
.toggle button.on.bad{color:#fff; background:linear-gradient(180deg,#ff7a82,var(--red))}
.gauge-wrap{text-align:center}
.gauge{position:relative; width:230px; height:140px; margin:0 auto}
.gauge .score{position:absolute; bottom:6px; left:0; right:0; font-family:var(--disp); font-weight:700; font-size:54px; line-height:1}
.gauge .verdict{font-family:var(--mono); font-size:13px; letter-spacing:.14em; margin-top:8px; text-transform:uppercase}
.demo-read{color:var(--muted); font-size:14.5px; margin-top:18px; min-height:42px}
#demoPlot{width:100%; height:300px}

/* ---- private band ---- */
.band{position:relative; border:1px solid var(--line); border-radius:24px; background:linear-gradient(165deg,rgba(45,212,191,.08),rgba(8,12,16,0) 55%); padding:clamp(28px,4vw,48px); display:grid; grid-template-columns:auto 1fr; gap:30px; align-items:center; overflow:hidden}
.band .lock{width:62px; height:62px; border-radius:16px; display:grid; place-items:center; background:color-mix(in srgb,var(--teal) 14%,transparent); color:var(--teal); flex:none; border:1px solid color-mix(in srgb,var(--teal) 28%,transparent)}
@media(max-width:680px){ .band{grid-template-columns:1fr} }

/* ---- steps ---- */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; counter-reset:step}
.step{position:relative; border:1px solid var(--line); border-radius:var(--radius); background:var(--panel); backdrop-filter:blur(10px); padding:28px}
.step .n{font-family:var(--mono); font-size:14px; color:var(--teal); border:1px solid color-mix(in srgb,var(--teal) 35%,transparent); width:34px; height:34px; border-radius:50%; display:grid; place-items:center; margin-bottom:16px; background:color-mix(in srgb,var(--teal) 8%,transparent)}
.step h3{font-family:var(--disp); font-weight:600; font-size:17px; margin:0 0 7px}
.step p{color:var(--muted); font-size:14.5px; margin:0}
@media(max-width:760px){ .steps{grid-template-columns:1fr} }

/* ---- FAQ ---- */
.faq{max-width:780px; margin:0 auto; display:flex; flex-direction:column; gap:12px}
.qa{border:1px solid var(--line); border-radius:14px; background:var(--panel); backdrop-filter:blur(8px); overflow:hidden}
.qa summary{list-style:none; cursor:pointer; padding:20px 22px; font-family:var(--disp); font-weight:600; font-size:16.5px; display:flex; justify-content:space-between; align-items:center; gap:16px}
.qa summary::-webkit-details-marker{display:none}
.qa summary .pm{flex:none; width:22px; height:22px; position:relative; transition:.25s}
.qa summary .pm::before,.qa summary .pm::after{content:""; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); background:var(--teal); border-radius:2px}
.qa summary .pm::before{width:13px; height:2px} .qa summary .pm::after{width:2px; height:13px; transition:.25s}
.qa[open] summary .pm::after{transform:translate(-50%,-50%) rotate(90deg); opacity:0}
.qa-body{padding:0 22px 20px; color:var(--muted); font-size:15px}

/* ---- final CTA ---- */
.final{position:relative; text-align:center; border:1px solid var(--line); border-radius:26px; background:radial-gradient(800px 320px at 50% -10%, rgba(45,212,191,.14), transparent 70%), var(--panel); backdrop-filter:blur(12px); padding:clamp(48px,7vw,86px) 28px; overflow:hidden}
.final h2{font-size:clamp(30px,4.4vw,52px)} .final .cta{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:28px}

/* ---- footer ---- */
footer{border-top:1px solid var(--line); margin-top:40px; padding:54px 0 30px; color:var(--muted2); font-size:14px}
.foot-grid{display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:30px}
@media(max-width:760px){ .foot-grid{grid-template-columns:1fr 1fr} }
.foot-col h4{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted2); margin:0 0 14px}
.foot-col a{display:block; color:var(--muted); margin-bottom:9px; font-size:14px; transition:.15s} .foot-col a:hover{color:var(--teal)}
.foot-about{color:var(--muted); font-size:14px; max-width:300px; margin-top:14px}
.foot-bottom{display:flex; justify-content:space-between; align-items:center; gap:14px; flex-wrap:wrap; margin-top:40px; padding-top:22px; border-top:1px solid var(--line-soft); font-size:13px; color:var(--muted2)}
.foot-disc{max-width:760px; line-height:1.6; margin-top:14px; font-size:11.5px; color:var(--muted2)}

/* ============================================================
   LEGAL pages
   ============================================================ */
.legal{max-width:820px; margin:0 auto; padding:40px 26px 80px}
.legal .back{display:inline-flex; align-items:center; gap:7px; color:var(--muted); font-size:14px; margin-bottom:30px}
.legal .back:hover{color:var(--teal)}
.legal h1{font-size:clamp(30px,4.5vw,44px); margin:0 0 8px}
.legal .updated{font-family:var(--mono); font-size:12.5px; color:var(--muted2); margin-bottom:14px}
.legal .intro{color:var(--muted); font-size:16.5px; margin-bottom:34px; padding-bottom:24px; border-bottom:1px solid var(--line)}
.legal h2{font-size:22px; margin:34px 0 12px; scroll-margin-top:90px}
.legal h3{font-family:var(--disp); font-size:17px; margin:22px 0 8px}
.legal p,.legal li{color:#c4d0db; font-size:15.5px; line-height:1.75}
.legal ul{padding-left:22px} .legal li{margin-bottom:7px}
.legal a{color:var(--teal); text-decoration:underline; text-underline-offset:2px}
.legal strong{color:var(--text)}
.legal .note{border:1px solid color-mix(in srgb,var(--amber) 30%,transparent); background:color-mix(in srgb,var(--amber) 7%,transparent); border-radius:12px; padding:14px 18px; font-size:14px; color:#d8c9a8; margin:20px 0}
.legal .toc{border:1px solid var(--line); border-radius:14px; background:var(--panel); padding:18px 22px; margin:0 0 34px}
.legal .toc a{display:inline-block; margin:4px 14px 4px 0; font-size:14px; text-decoration:none; color:var(--muted)}
.legal .toc a:hover{color:var(--teal)}