:root{
  --bg:#070b1f;--bg2:#0c1230;--card:#10173a;--line:#1f2a5c;--fg:#eef1ff;--muted:#a3abd6;
  --blue:#1878fa;--violet:#7d24f0;--grad:linear-gradient(90deg,#1878fa,#4746f1 55%,#7d24f0);
  --display:"Chakra Petch",system-ui,sans-serif;--body:"Inter",system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:#8fb6ff}
h1,h2,h3,h4{font-family:var(--display);line-height:1.12;margin:0 0 .5em;letter-spacing:.005em;text-wrap:balance}
h1{font-size:clamp(34px,6vw,60px)}
h2{font-size:clamp(26px,3.6vw,38px)}
h3{font-size:20px}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.muted{color:var(--muted)}.small{font-size:13px}.c{text-align:center}
.sec{padding:72px 20px}
.row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.c .btn,.c.row{justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:10px;background:var(--grad);color:#fff;text-decoration:none;font:600 15px var(--body);box-shadow:0 8px 30px -10px #4746f1;border:0}
.btn:hover{filter:brightness(1.12)}
.btn.ghost{background:transparent;border:1px solid #3a4a9a;box-shadow:none;color:var(--fg)}
.btn.sm{padding:9px 14px;font-size:14px}
.tag{display:inline-block;font:600 12px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;color:#a9c4ff;background:#16205099;border:1px solid #2a3a85;padding:7px 11px;border-radius:999px;margin-bottom:16px}
.lead{font-size:clamp(17px,2vw,20px);color:#d3d8f5;max-width:640px}
.lead2{font-size:18px;color:#cfd6ff;font-weight:500}
.round{border-radius:16px;border:1px solid var(--line)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.pad{padding:22px}

/* header */
.top{position:sticky;top:0;z-index:10;background:#070b1fe6;backdrop-filter:blur(10px);border-bottom:1px solid #141c45}
.bar{display:flex;align-items:center;gap:24px;height:64px}
.logo img{width:150px;height:auto}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--muted);text-decoration:none;font-weight:500;font-size:15px}
.nav a:hover{color:var(--fg)}

/* hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden}
.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right center}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#070b1f 25%,#070b1fcc 50%,transparent 80%)}
.heroin{position:relative;z-index:1;padding-top:60px;padding-bottom:60px}
.heroin h1{max-width:640px}
.status{margin-top:22px;font-size:14px;color:var(--muted);max-width:520px;border-left:2px solid var(--violet);padding-left:12px}

.phead{padding:80px 0 40px;background:radial-gradient(800px 380px at 80% 0,#2a1a7a55,transparent),var(--bg)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.checks,.x{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checks li,.x li{padding:14px 16px 14px 46px;background:var(--card);border:1px solid var(--line);border-radius:12px;position:relative;font-weight:500}
.checks li::before{content:"";position:absolute;left:16px;top:50%;width:18px;height:18px;margin-top:-9px;border-radius:50%;background:var(--grad)}
.x li::before{content:"\00d7";position:absolute;left:18px;top:50%;transform:translateY(-52%);color:#ff6b8a;font-size:22px;font-weight:700}

.fgrid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0}
.fgrid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:32px 0}
.feat img{aspect-ratio:16/10;object-fit:cover;width:100%}
.feat p{color:var(--muted);margin:0}

.spot{padding:72px 0;background:linear-gradient(180deg,transparent,#0c1230 30%,#0c1230 70%,transparent)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.step img{border-radius:16px;border:1px solid var(--line);margin-bottom:14px}
.step .num{font:700 14px var(--display);color:#8fb6ff;letter-spacing:.1em}
.step p{color:var(--muted)}

.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:28px 0}
.tile{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 10px;background:var(--card);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--fg);font-weight:500;font-size:14px;text-align:center;transition:border-color .2s,transform .2s}
.tile:hover{border-color:#4a5cff;transform:translateY(-2px)}
.tile img{width:56px;height:56px}

.story{text-align:center;max-width:820px;margin:0 auto;background:radial-gradient(500px 200px at 50% 0,#2a3aa055,transparent),var(--card)}
.story p{color:#cfd6ff;font-size:17px}

.frow{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;border-bottom:1px solid #141c45}
.frow.flip img{order:2}
.frow p{color:var(--muted)}

details.card{padding:18px 22px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:600;font-size:17px}
details p{color:var(--muted);margin:10px 0 0}

.thero{position:relative;padding:90px 0 70px;background:linear-gradient(90deg,#070b1f 30%,#070b1fbb 55%,#070b1f22),var(--hero) right center/cover no-repeat #070b1f;border-bottom:1px solid #141c45}
.theroin h1{max-width:680px}
.ticon{width:64px;height:64px;margin-bottom:16px}
.day{background:radial-gradient(500px 200px at 0 0,#3a1f9a55,transparent),var(--card)}
.day p{color:#d3d8f5;margin:0}

.cta{position:relative;padding:90px 0;background:url('/img/cta-bg.webp') center/cover no-repeat;text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:#070b1fb3}
.ctain{position:relative}
.ctain p{color:#d3d8f5;max-width:560px;margin:0 auto 18px}
.ctain .row{justify-content:center}

.foot{border-top:1px solid #141c45;padding:48px 0 24px;background:#050816}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:24px}
.foot h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.foot a,.foot span{display:block;margin-bottom:8px;text-decoration:none;color:#d3d8f5;font-size:15px}
.foot img{width:140px;margin-bottom:12px}
.foot p.muted{font-size:14px;max-width:380px}

@media (max-width:860px){
  .wrap{padding:0 16px}
  .nav{display:none}
  .bar .btn{margin-left:auto}
  .split,.frow{grid-template-columns:1fr;gap:24px}
  .frow.flip img{order:0}
  .fgrid3,.fgrid2,.steps,.fgrid{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero::after{background:linear-gradient(180deg,transparent 0,#070b1f33 28%,#070b1fe6 52%,#070b1f 72%)}
  .hero .wrap.heroin{padding-top:300px;padding-bottom:40px}
  .sec{padding:52px 16px}
  .tgrid{grid-template-columns:repeat(2,1fr)}
  .thero{background:linear-gradient(180deg,#070b1fcc,#070b1f 70%),var(--hero) center/cover no-repeat #070b1f}
}
/* feature pages + benefit sections */
.feat h3 a,.frow h2 a{color:inherit;text-decoration:none}
.feat h3 a:hover,.frow h2 a:hover{color:#a9c4ff}
.more{display:inline-block;margin-top:10px;font-weight:600;color:#8fb6ff;text-decoration:none}
.more:hover{text-decoration:underline}
.ghead{margin:56px 0 4px}.ghead p{color:var(--muted);margin:0}
.win h3{margin-top:0}.win p{color:var(--muted);margin:0}
.win::before{content:"";display:block;width:36px;height:4px;border-radius:2px;background:var(--grad);margin-bottom:14px}
.problem{border-left:4px solid #7d24f0;padding:20px 24px}.problem p{margin:0;font-size:18px;color:#cfd6ff}
.steps.plain .step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.faq details{margin-bottom:12px;padding:18px 22px}
/* Sparky on trade banners */
.thero .sparky{position:absolute;right:max(16px,calc(50% - 600px));bottom:-10px;width:min(360px,34vw);height:auto;filter:drop-shadow(0 18px 40px #4746f155);pointer-events:none}
.thero .theroin{position:relative;z-index:1}
@media (max-width:860px){.thero .sparky{position:static;display:block;width:220px;margin:18px auto -30px}}
/* stats strip, calculator, before/after, quiz, sources */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat{padding:22px}.stat b{display:block;font:700 40px/1 var(--display);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}
.stat p{margin:0;color:var(--muted)}
sup.fn a{color:#8fb6ff;text-decoration:none;font-size:.75em;margin-left:2px}
.kind{padding:28px}.kind h2{margin-top:0}.kind .lead2{margin-bottom:6px}
.ba{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.ba th,.ba td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.ba tr:last-child td{border-bottom:0}.ba thead th{font-family:var(--display);font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:#a9c4ff;background:#0c1230}
.ba td:first-child{font-weight:600;width:24%}.ba td.no{color:var(--muted)}.ba td.yes{color:#dfe6ff}
.calc{padding:28px}.calc .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0;align-items:end}
.calc label{display:flex;flex-direction:column;gap:8px;font-weight:600;font-size:14px;color:#cfd6ff}
.calc input{font:600 20px var(--body);padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#0b112b;color:var(--fg);width:100%}
.calc input:focus{outline:2px solid #4746f1;border-color:transparent}
.calc .out{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.calc .out div{background:#0b112b;border:1px solid var(--line);border-radius:12px;padding:16px}
.calc .out b{display:block;font:700 30px/1.1 var(--display)}.calc .out .big b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.calc .out span,.calc .hint{color:var(--muted);font-size:14px}
.quiz{padding:28px}.quiz label{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid #141c45;cursor:pointer}
.quiz input{width:20px;height:20px;margin-top:2px;accent-color:#4746f1;flex:none}
.quiz [data-out]{margin-top:16px;font-weight:600;color:#cfd6ff}
.sources{font-size:14px;color:var(--muted)}.sources ol{padding-left:20px}.sources li{margin:6px 0}.sources a{color:#a9c4ff;word-break:break-word}
@media (max-width:860px){.stats,.calc .grid,.calc .out{grid-template-columns:1fr}.ba td:first-child{width:auto}.ba thead{display:none}.ba tr{display:block;border-bottom:1px solid var(--line)}.ba td{display:block;border:0;padding:8px 16px}.ba td.no::before{content:"Without: ";font-weight:600;color:#a3abd6}.ba td.yes::before{content:"With ampdIQ: ";font-weight:600;color:#a9c4ff}.ba tr td:first-child{padding-top:16px}.ba tr td:last-child{padding-bottom:16px}}