:root{
  --bg:#070512;
  --bg-2:#0d0a1f;
  --card:rgba(255,255,255,.045);
  --card-solid:#141130;
  --border:rgba(255,255,255,.10);
  --ink:#eef0ff;
  --muted:#9aa0c9;
  --primary:#ff4d6d;
  --primary-2:#ff8a3c;
  --accent:#7c5cff;
  --accent-2:#00e0ff;
  --glow:0 0 24px rgba(255,77,109,.45);
  --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.4);
  --shadow-lg:0 20px 60px rgba(0,0,0,.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.65;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1000px 500px at 100% -5%,rgba(124,92,255,.14),transparent 60%),
    radial-gradient(900px 480px at 0% 0%,rgba(255,77,109,.10),transparent 55%);
  background-attachment:fixed;
}
.container{width:min(1100px,92%);margin:0 auto}
img,svg{display:block;max-width:100%}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}

/* ============ Header (glass) ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,5,18,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.15rem;color:var(--ink)}
.brand em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand-logo{width:38px;height:38px;border-radius:10px;object-fit:cover}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{color:var(--ink);font-weight:600}
.main-nav a:hover{color:var(--accent-2);text-decoration:none}
.nav-cta{margin-left:6px}

/* ============ Buttons (neon glow) ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:800;border:0;border-radius:14px;cursor:pointer;color:#fff;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  text-decoration:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:var(--glow);
}
.btn:active{transform:scale(.97)}
.btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 0 36px rgba(255,77,109,.65);filter:brightness(1.08);text-decoration:none}
.btn:focus-visible{outline:3px solid rgba(255,77,109,.55);outline-offset:3px}
.btn-lg{padding:17px 38px;font-size:1.12rem}
.btn-sm{padding:9px 20px;font-size:.9rem}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;text-align:center;
  padding:70px 0 80px;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;animation:float 9s ease-in-out infinite}
.blob-1{width:480px;height:480px;background:radial-gradient(circle,var(--primary),transparent 70%);top:-140px;left:-120px}
.blob-2{width:520px;height:520px;background:radial-gradient(circle,var(--accent),transparent 70%);top:-80px;right:-140px;animation-delay:-4.5s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(28px)}}

.hero-inner{position:relative;z-index:2}
.hero-showcase{width:min(760px,100%);margin:6px auto 30px;border-radius:20px;border:1px solid var(--border);box-shadow:var(--shadow-lg)}

.hero h1{font-size:clamp(1.8rem,4.6vw,3rem);line-height:1.14;max-width:940px;margin:18px auto 16px;font-weight:800}
.hero h1 .accent{
  background:linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent),var(--accent-2));
  background-size:300% 100%;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:shimmer 6s linear infinite;
}
@keyframes shimmer{0%{background-position:0% 50%}100%{background-position:300% 50%}}

.lead{font-size:1.16rem;color:var(--muted);max-width:760px;margin:0 auto 24px}
.lead strong{color:var(--ink)}

.breadcrumb ol{list-style:none;display:flex;gap:8px;justify-content:center;font-size:.82rem;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb li+li:before{content:"›";margin-right:8px;color:#5b5f86}
.breadcrumb [aria-current]{color:var(--ink)}

.trust-strip{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:26px 0 32px;font-size:.9rem}
.trust-strip span{background:var(--card);border:1px solid var(--border);padding:7px 15px;border-radius:999px;color:#cfd3f0;backdrop-filter:blur(6px)}

/* ============ Download cards ============ */
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;max-width:900px;margin:0 auto 30px}
.dl-card{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:22px 12px;display:flex;flex-direction:column;align-items:center;gap:6px;
  color:var(--ink);cursor:pointer;font-family:inherit;position:relative;overflow:hidden;
  backdrop-filter:blur(8px);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dl-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,77,109,.18),rgba(124,92,255,.18));opacity:0;transition:opacity .2s}
.dl-card:hover{transform:translateY(-6px);border-color:rgba(255,77,109,.6);box-shadow:var(--glow)}
.dl-card:hover:before{opacity:1}
.dl-card>*{position:relative;z-index:1}
.dl-icon{font-size:1.8rem}
.dl-title{font-weight:800;font-size:.98rem}
.dl-sub{font-size:.76rem;color:var(--muted)}
.hero-btn{border:2px solid rgba(255,255,255,.25)}
.hero-btn span{display:block}

/* ============ Sections ============ */
.section{padding:38px 0 6px}
.section h2{
  font-size:clamp(1.4rem,3vw,1.9rem);margin-bottom:18px;font-weight:800;
  background:linear-gradient(90deg,#fff,var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;width:fit-content;
}
.section h3{font-size:1.1rem;margin-bottom:8px}
.section>p,.section>.note{margin-bottom:12px;max-width:900px;color:#d4d8f0}
.note{color:var(--muted);font-size:.95rem}

/* ============ Cards (glassmorphism) ============ */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);margin-bottom:16px;backdrop-filter:blur(10px);
  transition:border-color .2s;
}
.card:hover{border-color:rgba(255,255,255,.2)}
.card h3{margin-bottom:10px}
.collapsible summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}
.collapsible summary::-webkit-details-marker{display:none}
.collapsible summary:after{content:"+";font-size:1.4rem;color:var(--primary);font-weight:700;transition:transform .2s}
.collapsible[open] summary:after{content:"–"}
.collapsible summary h2,.collapsible summary h3{display:inline;margin:0;background:none;-webkit-text-fill-color:var(--ink);width:auto}
.collapsible>div{margin-top:16px}
.vng{border-color:rgba(0,224,255,.35)}

/* ============ Media (images) ============ */
.media-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:14px 0;box-shadow:var(--shadow);background:var(--card-solid)}
.media-card img{width:100%;height:auto;min-height:80px}

/* ============ Tables ============ */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;backdrop-filter:blur(8px)}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:520px}
th,td{padding:13px 15px;text-align:left;border-bottom:1px solid var(--border)}
th{background:linear-gradient(135deg,rgba(255,77,109,.25),rgba(124,92,255,.25));color:#fff;font-weight:700}
tr:last-child td{border-bottom:0}
tr td{color:#d5d9f2}
.highlight-row td{background:rgba(255,77,109,.12)}

/* ============ Grids ============ */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.plat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.feat,.plat,.req{height:100%}
.feat h3{color:#fff}
.req ul{list-style:none;display:grid;gap:6px}
.req li{padding-left:22px;position:relative}
.req li:before{content:"•";position:absolute;left:0;color:var(--primary-2);font-weight:800}

/* ============ Lists & steps ============ */
.check-list{list-style:none;margin:0 0 14px;display:grid;gap:8px}
.check-list li{padding-left:30px;position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--accent-2);font-weight:800;text-shadow:0 0 12px rgba(0,224,255,.6)}
.steps{padding-left:0;list-style:none;counter-reset:step;display:grid;gap:10px}
.steps li{counter-increment:step;padding-left:40px;position:relative}
.steps li:before{
  content:counter(step);position:absolute;left:0;top:0;
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:700;
  box-shadow:var(--glow);
}
.steps.big li{font-weight:600}
code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;font-size:.88em;border:1px solid var(--border)}
.warn{border-left:5px solid var(--primary);background:rgba(255,77,109,.08)}
.warn li{margin-left:18px;margin-bottom:6px}

/* ============ Spec grid ============ */
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.spec{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:13px 15px;backdrop-filter:blur(6px)}
.spec span{display:block;font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.spec strong{font-size:.95rem;color:#fff}
.spec a{color:var(--accent-2)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:10px}
.faq-list details{list-style:none}
.faq-list summary{font-weight:700;cursor:pointer;list-style:none;padding-right:24px;position:relative;color:#fff}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--primary);font-weight:800}
.faq-list details[open] summary:after{content:"–"}
.faq-list p{margin-top:10px;color:var(--muted)}

/* ============ Social ============ */
.social-row{display:flex;gap:12px;flex-wrap:wrap}
.soc{width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.15rem;transition:transform .18s ease,box-shadow .18s ease}
.soc:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 8px 24px rgba(0,0,0,.4);text-decoration:none}
.soc-fb{background:linear-gradient(135deg,#1877f2,#0f5ed8)}
.soc-tw{background:linear-gradient(135deg,#1d9bf0,#0a6fbe)}
.soc-li{background:linear-gradient(135deg,#0a66c2,#074a8a)}
.soc-pt{background:linear-gradient(135deg,#e60023,#a30018)}
.soc-rd{background:linear-gradient(135deg,#ff4500,#cc3700)}

/* ============ Final CTA ============ */
.final-cta{text-align:center;background:linear-gradient(135deg,var(--bg-2),#1a1140 50%,var(--bg-2));border:1px solid var(--border);border-radius:var(--radius);padding:48px 24px;margin-bottom:30px;position:relative;overflow:hidden}
.final-cta:before{content:"";position:absolute;inset:0;background:radial-gradient(500px 200px at 50% 0%,rgba(124,92,255,.25),transparent 70%)}
.final-cta>*{position:relative;z-index:1}
.final-cta h2{background:linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;width:fit-content;margin:0 auto 14px}
.final-cta p{color:var(--muted);max-width:680px;margin:0 auto 24px}
.final-cta strong{color:#fff}
.tiny{font-size:.78rem;color:var(--muted);margin-top:12px}

/* ============ Footer ============ */
.site-footer{background:var(--bg-2);color:var(--muted);padding:38px 0;margin-top:20px;text-align:center;border-top:1px solid var(--border)}
.site-footer .tiny{color:#6d7299;margin-top:10px}
.site-footer p:first-child{color:#cfd3f0}
.footer-links{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:0 auto 34px;color:var(--muted);font-size:.9rem}
.footer-links a{color:var(--ink);font-weight:600}

/* ============ Responsive ============ */
@media(max-width:860px){.dl-grid{grid-template-columns:repeat(2,1fr)}.main-nav a:not(.nav-cta){display:none}}
@media(max-width:520px){.dl-grid{grid-template-columns:1fr 1fr}.hero{padding:46px 0 56px}.btn-lg{padding:14px 24px;font-size:1rem}.soc{width:48px;height:48px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}