:root{
  --bg:#070a0a; --panel:#0d1312; --card:#121a18; --line:#203029;
  --accent:#2ef2b5; --accent-2:#38d39f; --accent-dim:#0f2a24; --accent-text:#04201a;
  --text:#eef4f1; --muted:#8ea39c; --gold:#e8c87a;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:16px/1.65 "Inter",system-ui,-apple-system,sans-serif;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px;width:100%}
.serif{font-family:"Cormorant Garamond",Georgia,serif}
.accent{color:var(--accent)}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:30;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
header.scrolled,header.solid{background:rgba(7,10,10,.88);backdrop-filter:blur(12px);border-color:var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:32px;filter:drop-shadow(0 0 12px rgba(46,242,181,.75))}
nav.main{display:flex;align-items:center;gap:24px;font-size:14.5px;font-weight:500;color:#c6d4cf}
nav.main a:not(.btn-sm){position:relative;padding:4px 0}
nav.main a:not(.btn-sm):hover,nav.main a:not(.btn-sm).active{color:var(--accent)}
nav.main a:not(.btn-sm).active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);border-radius:2px}
.btn-sm{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:var(--accent-text);font-weight:700;font-size:14px;line-height:1;letter-spacing:.2px;box-shadow:0 6px 18px rgba(46,242,181,.28);transition:transform .15s,box-shadow .15s}
.btn-sm:hover{color:var(--accent-text);transform:translateY(-1px);box-shadow:0 8px 26px rgba(46,242,181,.45)}
.burger{display:none;background:none;border:none;color:var(--text);cursor:pointer;width:30px;height:30px}
@media(max-width:820px){
  nav.main{position:fixed;inset:70px 0 auto 0;flex-direction:column;gap:0;background:rgba(7,10,10,.97);border-bottom:1px solid var(--line);padding:10px 0;transform:translateY(-120%);transition:transform .25s;align-items:stretch}
  nav.main.open{transform:translateY(0)}
  nav.main a{padding:14px 22px}
  nav.main .btn-sm{margin:10px 22px;justify-content:center}
  .burger{display:inline-flex;align-items:center;justify-content:center}
}

/* buttons / headings */
.btn{display:inline-flex;align-items:center;gap:12px;padding:18px 32px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:var(--accent-text);font-weight:700;font-size:18px;box-shadow:0 0 36px rgba(46,242,181,.4);transition:transform .16s,box-shadow .16s}
.btn:hover{transform:translateY(-3px);box-shadow:0 0 56px rgba(46,242,181,.6)}
.btn svg{width:22px;height:22px}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;padding:18px 26px;border-radius:12px;border:1px solid var(--line);background:rgba(13,19,18,.6);font-weight:600;color:#d7e5e0;transition:border-color .16s,color .16s}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--accent);font-weight:600;font-size:13px;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:18px}
h1{font-size:clamp(40px,7vw,78px);line-height:1.03;font-weight:700;letter-spacing:-1px}
h1 .g{color:var(--accent);text-shadow:0 0 38px rgba(46,242,181,.45)}
h2{font-size:clamp(28px,4vw,42px);font-weight:700;letter-spacing:-.5px}
.lead{max-width:560px;color:#c0ceca;font-size:clamp(17px,2.2vw,20px);margin:22px 0 34px}

/* page hero (inner pages) */
.pagehead{position:relative;padding:150px 0 60px;background:url(hero.jpg) center/cover;border-bottom:1px solid var(--line)}
.pagehead::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--bg),rgba(7,10,10,.72))}
.pagehead .wrap{position:relative}
.pagehead p{color:#c0ceca;max-width:620px;margin-top:14px;font-size:18px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumbs a:hover{color:var(--accent)}

main{flex:1 0 auto}
section{padding:80px 0}
.shead{text-align:center;max-width:640px;margin:0 auto 50px}
.shead .eyebrow{justify-content:center}
.shead p{color:var(--muted);margin-top:12px;font-size:17px}
.prose{max-width:760px;margin:0 auto;color:#cdd9d5;font-size:17px}
.prose h2{margin:40px 0 16px}
.prose h3{font-size:20px;margin:28px 0 10px;color:var(--text)}
.prose p{margin-bottom:16px}
.prose ul{margin:0 0 16px 22px}
.prose li{margin-bottom:8px}

/* grids / cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:900px){.grid3,.grid4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid3,.grid4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--card),#0d1413);border:1px solid var(--line);border-radius:16px;padding:28px;transition:transform .18s,border-color .18s}
.card:hover{transform:translateY(-4px);border-color:rgba(46,242,181,.4)}
.card .ico{width:46px;height:46px;color:var(--accent);margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}
.num{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:700;background:var(--accent-dim);color:var(--accent);margin-bottom:16px;font-size:18px}

/* download band */
.band{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);padding:64px 36px;text-align:center;background:url(hero.jpg) center/cover}
.band::before{content:"";position:absolute;inset:0;background:rgba(7,10,10,.84)}
.band>*{position:relative;z-index:1}
.band p{color:#c0ceca;max-width:520px;margin:10px auto 28px}
.meta{color:var(--muted);font-size:13.5px;margin-top:14px}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq summary{padding:20px 24px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 24px 20px;color:var(--muted);font-size:15.5px}

/* specs */
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:860px){.specs{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.specs{grid-template-columns:1fr}}
.spec{display:flex;gap:15px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}
.spec svg{width:26px;height:26px;color:var(--accent);flex:0 0 auto;margin-top:2px}
.spec .k{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:3px}
.spec .v{font-weight:600;font-size:16px;line-height:1.35}

/* footer */
footer{flex-shrink:0;border-top:1px solid var(--line);padding:50px 0 34px;color:var(--muted);font-size:14px;margin-top:40px}
footer .cols{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:30px}
footer .col h4{color:var(--text);font-size:14px;margin-bottom:14px;text-transform:uppercase;letter-spacing:1px}
footer .col a{display:block;padding:5px 0;color:var(--muted)}
footer .col a:hover{color:var(--accent)}
footer .bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer .brand img{height:24px}

/* hook band */
.hook{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);padding:70px 40px;text-align:center;background:url(news2.jpg) center/cover}
.hook::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,10,10,.92),rgba(7,10,10,.6))}
.hook>*{position:relative;z-index:1}
.hook .big{font-family:"Cormorant Garamond",Georgia,serif;font-size:clamp(34px,6vw,62px);font-weight:700;line-height:1.05}
.hook p{color:#d7e5e0;max-width:620px;margin:16px auto 0;font-size:18px}

/* everything-checklist */
.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:860px){.checks{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.checks{grid-template-columns:1fr}}
.chk{display:flex;gap:13px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:17px 18px;transition:border-color .16s,transform .16s}
.chk:hover{border-color:rgba(46,242,181,.45);transform:translateY(-3px)}
.chk .ck{flex:0 0 auto;width:24px;height:24px;border-radius:7px;background:var(--accent-dim);display:grid;place-items:center;margin-top:1px}
.chk .ck svg{width:15px;height:15px;color:var(--accent)}
.chk b{display:block;font-size:15.5px;margin-bottom:2px}
.chk span{color:var(--muted);font-size:13.5px;line-height:1.4}